xref: /openbmc/linux/sound/soc/codecs/wcd938x.c (revision 4629bf52)
1 // SPDX-License-Identifier: GPL-2.0-only
2 // Copyright (c) 2018-2020, The Linux Foundation. All rights reserved.
3 
4 #include <linux/module.h>
5 #include <linux/slab.h>
6 #include <linux/platform_device.h>
7 #include <linux/device.h>
8 #include <linux/delay.h>
9 #include <linux/gpio/consumer.h>
10 #include <linux/kernel.h>
11 #include <linux/pm_runtime.h>
12 #include <linux/component.h>
13 #include <sound/tlv.h>
14 #include <linux/of_gpio.h>
15 #include <linux/of.h>
16 #include <sound/jack.h>
17 #include <sound/pcm.h>
18 #include <sound/pcm_params.h>
19 #include <linux/regmap.h>
20 #include <sound/soc.h>
21 #include <sound/soc-dapm.h>
22 #include <linux/regulator/consumer.h>
23 
24 #include "wcd-clsh-v2.h"
25 #include "wcd-mbhc-v2.h"
26 #include "wcd938x.h"
27 
28 #define WCD938X_MAX_MICBIAS		(4)
29 #define WCD938X_MAX_SUPPLY		(4)
30 #define WCD938X_MBHC_MAX_BUTTONS	(8)
31 #define TX_ADC_MAX			(4)
32 #define WCD938X_TX_MAX_SWR_PORTS	(5)
33 
34 #define WCD938X_RATES_MASK (SNDRV_PCM_RATE_8000 | SNDRV_PCM_RATE_16000 |\
35 			    SNDRV_PCM_RATE_32000 | SNDRV_PCM_RATE_48000 |\
36 			    SNDRV_PCM_RATE_96000 | SNDRV_PCM_RATE_192000)
37 /* Fractional Rates */
38 #define WCD938X_FRAC_RATES_MASK (SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_88200 |\
39 				 SNDRV_PCM_RATE_176400)
40 #define WCD938X_FORMATS_S16_S24_LE (SNDRV_PCM_FMTBIT_S16_LE | \
41 				    SNDRV_PCM_FMTBIT_S24_LE)
42 /* Convert from vout ctl to micbias voltage in mV */
43 #define  WCD_VOUT_CTL_TO_MICB(v)	(1000 + v * 50)
44 #define SWR_CLK_RATE_0P6MHZ		(600000)
45 #define SWR_CLK_RATE_1P2MHZ		(1200000)
46 #define SWR_CLK_RATE_2P4MHZ		(2400000)
47 #define SWR_CLK_RATE_4P8MHZ		(4800000)
48 #define SWR_CLK_RATE_9P6MHZ		(9600000)
49 #define SWR_CLK_RATE_11P2896MHZ		(1128960)
50 
51 #define WCD938X_DRV_NAME "wcd938x_codec"
52 #define WCD938X_VERSION_1_0		(1)
53 #define EAR_RX_PATH_AUX			(1)
54 
55 #define ADC_MODE_VAL_HIFI		0x01
56 #define ADC_MODE_VAL_LO_HIF		0x02
57 #define ADC_MODE_VAL_NORMAL		0x03
58 #define ADC_MODE_VAL_LP			0x05
59 #define ADC_MODE_VAL_ULP1		0x09
60 #define ADC_MODE_VAL_ULP2		0x0B
61 
62 /* Z value defined in milliohm */
63 #define WCD938X_ZDET_VAL_32             (32000)
64 #define WCD938X_ZDET_VAL_400            (400000)
65 #define WCD938X_ZDET_VAL_1200           (1200000)
66 #define WCD938X_ZDET_VAL_100K           (100000000)
67 /* Z floating defined in ohms */
68 #define WCD938X_ZDET_FLOATING_IMPEDANCE	(0x0FFFFFFE)
69 #define WCD938X_ZDET_NUM_MEASUREMENTS   (900)
70 #define WCD938X_MBHC_GET_C1(c)          ((c & 0xC000) >> 14)
71 #define WCD938X_MBHC_GET_X1(x)          (x & 0x3FFF)
72 /* Z value compared in milliOhm */
73 #define WCD938X_MBHC_IS_SECOND_RAMP_REQUIRED(z) ((z > 400000) || (z < 32000))
74 #define WCD938X_MBHC_ZDET_CONST         (86 * 16384)
75 #define WCD938X_MBHC_MOISTURE_RREF      R_24_KOHM
76 #define WCD_MBHC_HS_V_MAX           1600
77 
78 #define WCD938X_EAR_PA_GAIN_TLV(xname, reg, shift, max, invert, tlv_array) \
79 {	.iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \
80 	.access = SNDRV_CTL_ELEM_ACCESS_TLV_READ |\
81 		 SNDRV_CTL_ELEM_ACCESS_READWRITE,\
82 	.tlv.p = (tlv_array), \
83 	.info = snd_soc_info_volsw, .get = snd_soc_get_volsw,\
84 	.put = wcd938x_ear_pa_put_gain, \
85 	.private_value = SOC_SINGLE_VALUE(reg, shift, max, invert, 0) }
86 
87 enum {
88 	WCD9380 = 0,
89 	WCD9385 = 5,
90 };
91 
92 enum {
93 	TX_HDR12 = 0,
94 	TX_HDR34,
95 	TX_HDR_MAX,
96 };
97 
98 enum {
99 	WCD_RX1,
100 	WCD_RX2,
101 	WCD_RX3
102 };
103 
104 enum {
105 	/* INTR_CTRL_INT_MASK_0 */
106 	WCD938X_IRQ_MBHC_BUTTON_PRESS_DET = 0,
107 	WCD938X_IRQ_MBHC_BUTTON_RELEASE_DET,
108 	WCD938X_IRQ_MBHC_ELECT_INS_REM_DET,
109 	WCD938X_IRQ_MBHC_ELECT_INS_REM_LEG_DET,
110 	WCD938X_IRQ_MBHC_SW_DET,
111 	WCD938X_IRQ_HPHR_OCP_INT,
112 	WCD938X_IRQ_HPHR_CNP_INT,
113 	WCD938X_IRQ_HPHL_OCP_INT,
114 
115 	/* INTR_CTRL_INT_MASK_1 */
116 	WCD938X_IRQ_HPHL_CNP_INT,
117 	WCD938X_IRQ_EAR_CNP_INT,
118 	WCD938X_IRQ_EAR_SCD_INT,
119 	WCD938X_IRQ_AUX_CNP_INT,
120 	WCD938X_IRQ_AUX_SCD_INT,
121 	WCD938X_IRQ_HPHL_PDM_WD_INT,
122 	WCD938X_IRQ_HPHR_PDM_WD_INT,
123 	WCD938X_IRQ_AUX_PDM_WD_INT,
124 
125 	/* INTR_CTRL_INT_MASK_2 */
126 	WCD938X_IRQ_LDORT_SCD_INT,
127 	WCD938X_IRQ_MBHC_MOISTURE_INT,
128 	WCD938X_IRQ_HPHL_SURGE_DET_INT,
129 	WCD938X_IRQ_HPHR_SURGE_DET_INT,
130 	WCD938X_NUM_IRQS,
131 };
132 
133 enum {
134 	WCD_ADC1 = 0,
135 	WCD_ADC2,
136 	WCD_ADC3,
137 	WCD_ADC4,
138 	ALLOW_BUCK_DISABLE,
139 	HPH_COMP_DELAY,
140 	HPH_PA_DELAY,
141 	AMIC2_BCS_ENABLE,
142 	WCD_SUPPLIES_LPM_MODE,
143 };
144 
145 enum {
146 	ADC_MODE_INVALID = 0,
147 	ADC_MODE_HIFI,
148 	ADC_MODE_LO_HIF,
149 	ADC_MODE_NORMAL,
150 	ADC_MODE_LP,
151 	ADC_MODE_ULP1,
152 	ADC_MODE_ULP2,
153 };
154 
155 enum {
156 	AIF1_PB = 0,
157 	AIF1_CAP,
158 	NUM_CODEC_DAIS,
159 };
160 
161 static u8 tx_mode_bit[] = {
162 	[ADC_MODE_INVALID] = 0x00,
163 	[ADC_MODE_HIFI] = 0x01,
164 	[ADC_MODE_LO_HIF] = 0x02,
165 	[ADC_MODE_NORMAL] = 0x04,
166 	[ADC_MODE_LP] = 0x08,
167 	[ADC_MODE_ULP1] = 0x10,
168 	[ADC_MODE_ULP2] = 0x20,
169 };
170 
171 struct wcd938x_priv {
172 	struct sdw_slave *tx_sdw_dev;
173 	struct wcd938x_sdw_priv *sdw_priv[NUM_CODEC_DAIS];
174 	struct device *txdev;
175 	struct device *rxdev;
176 	struct device_node *rxnode, *txnode;
177 	struct regmap *regmap;
178 	struct mutex micb_lock;
179 	/* mbhc module */
180 	struct wcd_mbhc *wcd_mbhc;
181 	struct wcd_mbhc_config mbhc_cfg;
182 	struct wcd_mbhc_intr intr_ids;
183 	struct wcd_clsh_ctrl *clsh_info;
184 	struct irq_domain *virq;
185 	struct regmap_irq_chip *wcd_regmap_irq_chip;
186 	struct regmap_irq_chip_data *irq_chip;
187 	struct regulator_bulk_data supplies[WCD938X_MAX_SUPPLY];
188 	struct snd_soc_jack *jack;
189 	unsigned long status_mask;
190 	s32 micb_ref[WCD938X_MAX_MICBIAS];
191 	s32 pullup_ref[WCD938X_MAX_MICBIAS];
192 	u32 hph_mode;
193 	u32 tx_mode[TX_ADC_MAX];
194 	int flyback_cur_det_disable;
195 	int ear_rx_path;
196 	int variant;
197 	int reset_gpio;
198 	struct gpio_desc *us_euro_gpio;
199 	u32 micb1_mv;
200 	u32 micb2_mv;
201 	u32 micb3_mv;
202 	u32 micb4_mv;
203 	int hphr_pdm_wd_int;
204 	int hphl_pdm_wd_int;
205 	int aux_pdm_wd_int;
206 	bool comp1_enable;
207 	bool comp2_enable;
208 	bool ldoh;
209 	bool bcs_dis;
210 };
211 
212 static const SNDRV_CTL_TLVD_DECLARE_DB_MINMAX(ear_pa_gain, 600, -1800);
213 static const DECLARE_TLV_DB_SCALE(line_gain, -3000, 150, 0);
214 static const SNDRV_CTL_TLVD_DECLARE_DB_MINMAX(analog_gain, 0, 3000);
215 
216 struct wcd938x_mbhc_zdet_param {
217 	u16 ldo_ctl;
218 	u16 noff;
219 	u16 nshift;
220 	u16 btn5;
221 	u16 btn6;
222 	u16 btn7;
223 };
224 
225 static struct wcd_mbhc_field wcd_mbhc_fields[WCD_MBHC_REG_FUNC_MAX] = {
226 	WCD_MBHC_FIELD(WCD_MBHC_L_DET_EN, WCD938X_ANA_MBHC_MECH, 0x80),
227 	WCD_MBHC_FIELD(WCD_MBHC_GND_DET_EN, WCD938X_ANA_MBHC_MECH, 0x40),
228 	WCD_MBHC_FIELD(WCD_MBHC_MECH_DETECTION_TYPE, WCD938X_ANA_MBHC_MECH, 0x20),
229 	WCD_MBHC_FIELD(WCD_MBHC_MIC_CLAMP_CTL, WCD938X_MBHC_NEW_PLUG_DETECT_CTL, 0x30),
230 	WCD_MBHC_FIELD(WCD_MBHC_ELECT_DETECTION_TYPE, WCD938X_ANA_MBHC_ELECT, 0x08),
231 	WCD_MBHC_FIELD(WCD_MBHC_HS_L_DET_PULL_UP_CTRL, WCD938X_MBHC_NEW_INT_MECH_DET_CURRENT, 0x1F),
232 	WCD_MBHC_FIELD(WCD_MBHC_HS_L_DET_PULL_UP_COMP_CTRL, WCD938X_ANA_MBHC_MECH, 0x04),
233 	WCD_MBHC_FIELD(WCD_MBHC_HPHL_PLUG_TYPE, WCD938X_ANA_MBHC_MECH, 0x10),
234 	WCD_MBHC_FIELD(WCD_MBHC_GND_PLUG_TYPE, WCD938X_ANA_MBHC_MECH, 0x08),
235 	WCD_MBHC_FIELD(WCD_MBHC_SW_HPH_LP_100K_TO_GND, WCD938X_ANA_MBHC_MECH, 0x01),
236 	WCD_MBHC_FIELD(WCD_MBHC_ELECT_SCHMT_ISRC, WCD938X_ANA_MBHC_ELECT, 0x06),
237 	WCD_MBHC_FIELD(WCD_MBHC_FSM_EN, WCD938X_ANA_MBHC_ELECT, 0x80),
238 	WCD_MBHC_FIELD(WCD_MBHC_INSREM_DBNC, WCD938X_MBHC_NEW_PLUG_DETECT_CTL, 0x0F),
239 	WCD_MBHC_FIELD(WCD_MBHC_BTN_DBNC, WCD938X_MBHC_NEW_CTL_1, 0x03),
240 	WCD_MBHC_FIELD(WCD_MBHC_HS_VREF, WCD938X_MBHC_NEW_CTL_2, 0x03),
241 	WCD_MBHC_FIELD(WCD_MBHC_HS_COMP_RESULT, WCD938X_ANA_MBHC_RESULT_3, 0x08),
242 	WCD_MBHC_FIELD(WCD_MBHC_IN2P_CLAMP_STATE, WCD938X_ANA_MBHC_RESULT_3, 0x10),
243 	WCD_MBHC_FIELD(WCD_MBHC_MIC_SCHMT_RESULT, WCD938X_ANA_MBHC_RESULT_3, 0x20),
244 	WCD_MBHC_FIELD(WCD_MBHC_HPHL_SCHMT_RESULT, WCD938X_ANA_MBHC_RESULT_3, 0x80),
245 	WCD_MBHC_FIELD(WCD_MBHC_HPHR_SCHMT_RESULT, WCD938X_ANA_MBHC_RESULT_3, 0x40),
246 	WCD_MBHC_FIELD(WCD_MBHC_OCP_FSM_EN, WCD938X_HPH_OCP_CTL, 0x10),
247 	WCD_MBHC_FIELD(WCD_MBHC_BTN_RESULT, WCD938X_ANA_MBHC_RESULT_3, 0x07),
248 	WCD_MBHC_FIELD(WCD_MBHC_BTN_ISRC_CTL, WCD938X_ANA_MBHC_ELECT, 0x70),
249 	WCD_MBHC_FIELD(WCD_MBHC_ELECT_RESULT, WCD938X_ANA_MBHC_RESULT_3, 0xFF),
250 	WCD_MBHC_FIELD(WCD_MBHC_MICB_CTRL, WCD938X_ANA_MICB2, 0xC0),
251 	WCD_MBHC_FIELD(WCD_MBHC_HPH_CNP_WG_TIME, WCD938X_HPH_CNP_WG_TIME, 0xFF),
252 	WCD_MBHC_FIELD(WCD_MBHC_HPHR_PA_EN, WCD938X_ANA_HPH, 0x40),
253 	WCD_MBHC_FIELD(WCD_MBHC_HPHL_PA_EN, WCD938X_ANA_HPH, 0x80),
254 	WCD_MBHC_FIELD(WCD_MBHC_HPH_PA_EN, WCD938X_ANA_HPH, 0xC0),
255 	WCD_MBHC_FIELD(WCD_MBHC_SWCH_LEVEL_REMOVE, WCD938X_ANA_MBHC_RESULT_3, 0x10),
256 	WCD_MBHC_FIELD(WCD_MBHC_ANC_DET_EN, WCD938X_MBHC_CTL_BCS, 0x02),
257 	WCD_MBHC_FIELD(WCD_MBHC_FSM_STATUS, WCD938X_MBHC_NEW_FSM_STATUS, 0x01),
258 	WCD_MBHC_FIELD(WCD_MBHC_MUX_CTL, WCD938X_MBHC_NEW_CTL_2, 0x70),
259 	WCD_MBHC_FIELD(WCD_MBHC_MOISTURE_STATUS, WCD938X_MBHC_NEW_FSM_STATUS, 0x20),
260 	WCD_MBHC_FIELD(WCD_MBHC_HPHR_GND, WCD938X_HPH_PA_CTL2, 0x40),
261 	WCD_MBHC_FIELD(WCD_MBHC_HPHL_GND, WCD938X_HPH_PA_CTL2, 0x10),
262 	WCD_MBHC_FIELD(WCD_MBHC_HPHL_OCP_DET_EN, WCD938X_HPH_L_TEST, 0x01),
263 	WCD_MBHC_FIELD(WCD_MBHC_HPHR_OCP_DET_EN, WCD938X_HPH_R_TEST, 0x01),
264 	WCD_MBHC_FIELD(WCD_MBHC_HPHL_OCP_STATUS, WCD938X_DIGITAL_INTR_STATUS_0, 0x80),
265 	WCD_MBHC_FIELD(WCD_MBHC_HPHR_OCP_STATUS, WCD938X_DIGITAL_INTR_STATUS_0, 0x20),
266 	WCD_MBHC_FIELD(WCD_MBHC_ADC_EN, WCD938X_MBHC_NEW_CTL_1, 0x08),
267 	WCD_MBHC_FIELD(WCD_MBHC_ADC_COMPLETE, WCD938X_MBHC_NEW_FSM_STATUS, 0x40),
268 	WCD_MBHC_FIELD(WCD_MBHC_ADC_TIMEOUT, WCD938X_MBHC_NEW_FSM_STATUS, 0x80),
269 	WCD_MBHC_FIELD(WCD_MBHC_ADC_RESULT, WCD938X_MBHC_NEW_ADC_RESULT, 0xFF),
270 	WCD_MBHC_FIELD(WCD_MBHC_MICB2_VOUT, WCD938X_ANA_MICB2, 0x3F),
271 	WCD_MBHC_FIELD(WCD_MBHC_ADC_MODE, WCD938X_MBHC_NEW_CTL_1, 0x10),
272 	WCD_MBHC_FIELD(WCD_MBHC_DETECTION_DONE, WCD938X_MBHC_NEW_CTL_1, 0x04),
273 	WCD_MBHC_FIELD(WCD_MBHC_ELECT_ISRC_EN, WCD938X_ANA_MBHC_ZDET, 0x02),
274 };
275 
276 static const struct regmap_irq wcd938x_irqs[WCD938X_NUM_IRQS] = {
277 	REGMAP_IRQ_REG(WCD938X_IRQ_MBHC_BUTTON_PRESS_DET, 0, 0x01),
278 	REGMAP_IRQ_REG(WCD938X_IRQ_MBHC_BUTTON_RELEASE_DET, 0, 0x02),
279 	REGMAP_IRQ_REG(WCD938X_IRQ_MBHC_ELECT_INS_REM_DET, 0, 0x04),
280 	REGMAP_IRQ_REG(WCD938X_IRQ_MBHC_ELECT_INS_REM_LEG_DET, 0, 0x08),
281 	REGMAP_IRQ_REG(WCD938X_IRQ_MBHC_SW_DET, 0, 0x10),
282 	REGMAP_IRQ_REG(WCD938X_IRQ_HPHR_OCP_INT, 0, 0x20),
283 	REGMAP_IRQ_REG(WCD938X_IRQ_HPHR_CNP_INT, 0, 0x40),
284 	REGMAP_IRQ_REG(WCD938X_IRQ_HPHL_OCP_INT, 0, 0x80),
285 	REGMAP_IRQ_REG(WCD938X_IRQ_HPHL_CNP_INT, 1, 0x01),
286 	REGMAP_IRQ_REG(WCD938X_IRQ_EAR_CNP_INT, 1, 0x02),
287 	REGMAP_IRQ_REG(WCD938X_IRQ_EAR_SCD_INT, 1, 0x04),
288 	REGMAP_IRQ_REG(WCD938X_IRQ_AUX_CNP_INT, 1, 0x08),
289 	REGMAP_IRQ_REG(WCD938X_IRQ_AUX_SCD_INT, 1, 0x10),
290 	REGMAP_IRQ_REG(WCD938X_IRQ_HPHL_PDM_WD_INT, 1, 0x20),
291 	REGMAP_IRQ_REG(WCD938X_IRQ_HPHR_PDM_WD_INT, 1, 0x40),
292 	REGMAP_IRQ_REG(WCD938X_IRQ_AUX_PDM_WD_INT, 1, 0x80),
293 	REGMAP_IRQ_REG(WCD938X_IRQ_LDORT_SCD_INT, 2, 0x01),
294 	REGMAP_IRQ_REG(WCD938X_IRQ_MBHC_MOISTURE_INT, 2, 0x02),
295 	REGMAP_IRQ_REG(WCD938X_IRQ_HPHL_SURGE_DET_INT, 2, 0x04),
296 	REGMAP_IRQ_REG(WCD938X_IRQ_HPHR_SURGE_DET_INT, 2, 0x08),
297 };
298 
299 static struct regmap_irq_chip wcd938x_regmap_irq_chip = {
300 	.name = "wcd938x",
301 	.irqs = wcd938x_irqs,
302 	.num_irqs = ARRAY_SIZE(wcd938x_irqs),
303 	.num_regs = 3,
304 	.status_base = WCD938X_DIGITAL_INTR_STATUS_0,
305 	.mask_base = WCD938X_DIGITAL_INTR_MASK_0,
306 	.ack_base = WCD938X_DIGITAL_INTR_CLEAR_0,
307 	.use_ack = 1,
308 	.runtime_pm = true,
309 	.irq_drv_data = NULL,
310 };
311 
wcd938x_get_clk_rate(int mode)312 static int wcd938x_get_clk_rate(int mode)
313 {
314 	int rate;
315 
316 	switch (mode) {
317 	case ADC_MODE_ULP2:
318 		rate = SWR_CLK_RATE_0P6MHZ;
319 		break;
320 	case ADC_MODE_ULP1:
321 		rate = SWR_CLK_RATE_1P2MHZ;
322 		break;
323 	case ADC_MODE_LP:
324 		rate = SWR_CLK_RATE_4P8MHZ;
325 		break;
326 	case ADC_MODE_NORMAL:
327 	case ADC_MODE_LO_HIF:
328 	case ADC_MODE_HIFI:
329 	case ADC_MODE_INVALID:
330 	default:
331 		rate = SWR_CLK_RATE_9P6MHZ;
332 		break;
333 	}
334 
335 	return rate;
336 }
337 
wcd938x_set_swr_clk_rate(struct snd_soc_component * component,int rate,int bank)338 static int wcd938x_set_swr_clk_rate(struct snd_soc_component *component, int rate, int bank)
339 {
340 	u8 mask = (bank ? 0xF0 : 0x0F);
341 	u8 val = 0;
342 
343 	switch (rate) {
344 	case SWR_CLK_RATE_0P6MHZ:
345 		val = (bank ? 0x60 : 0x06);
346 		break;
347 	case SWR_CLK_RATE_1P2MHZ:
348 		val = (bank ? 0x50 : 0x05);
349 		break;
350 	case SWR_CLK_RATE_2P4MHZ:
351 		val = (bank ? 0x30 : 0x03);
352 		break;
353 	case SWR_CLK_RATE_4P8MHZ:
354 		val = (bank ? 0x10 : 0x01);
355 		break;
356 	case SWR_CLK_RATE_9P6MHZ:
357 	default:
358 		val = 0x00;
359 		break;
360 	}
361 	snd_soc_component_update_bits(component, WCD938X_DIGITAL_SWR_TX_CLK_RATE,
362 				      mask, val);
363 
364 	return 0;
365 }
366 
wcd938x_io_init(struct wcd938x_priv * wcd938x)367 static int wcd938x_io_init(struct wcd938x_priv *wcd938x)
368 {
369 	struct regmap *rm = wcd938x->regmap;
370 
371 	regmap_update_bits(rm, WCD938X_SLEEP_CTL, 0x0E, 0x0E);
372 	regmap_update_bits(rm, WCD938X_SLEEP_CTL, 0x80, 0x80);
373 	/* 1 msec delay as per HW requirement */
374 	usleep_range(1000, 1010);
375 	regmap_update_bits(rm, WCD938X_SLEEP_CTL, 0x40, 0x40);
376 	/* 1 msec delay as per HW requirement */
377 	usleep_range(1000, 1010);
378 	regmap_update_bits(rm, WCD938X_LDORXTX_CONFIG, 0x10, 0x00);
379 	regmap_update_bits(rm, WCD938X_BIAS_VBG_FINE_ADJ,
380 								0xF0, 0x80);
381 	regmap_update_bits(rm, WCD938X_ANA_BIAS, 0x80, 0x80);
382 	regmap_update_bits(rm, WCD938X_ANA_BIAS, 0x40, 0x40);
383 	/* 10 msec delay as per HW requirement */
384 	usleep_range(10000, 10010);
385 
386 	regmap_update_bits(rm, WCD938X_ANA_BIAS, 0x40, 0x00);
387 	regmap_update_bits(rm, WCD938X_HPH_NEW_INT_RDAC_GAIN_CTL,
388 				      0xF0, 0x00);
389 	regmap_update_bits(rm, WCD938X_HPH_NEW_INT_RDAC_HD2_CTL_L_NEW,
390 				      0x1F, 0x15);
391 	regmap_update_bits(rm, WCD938X_HPH_NEW_INT_RDAC_HD2_CTL_R_NEW,
392 				      0x1F, 0x15);
393 	regmap_update_bits(rm, WCD938X_HPH_REFBUFF_UHQA_CTL,
394 				      0xC0, 0x80);
395 	regmap_update_bits(rm, WCD938X_DIGITAL_CDC_DMIC_CTL,
396 				      0x02, 0x02);
397 
398 	regmap_update_bits(rm, WCD938X_TX_COM_NEW_INT_TXFE_ICTRL_STG2CASC_ULP,
399 			   0xFF, 0x14);
400 	regmap_update_bits(rm, WCD938X_TX_COM_NEW_INT_TXFE_ICTRL_STG2MAIN_ULP,
401 			   0x1F, 0x08);
402 
403 	regmap_update_bits(rm, WCD938X_DIGITAL_TX_REQ_FB_CTL_0, 0xFF, 0x55);
404 	regmap_update_bits(rm, WCD938X_DIGITAL_TX_REQ_FB_CTL_1, 0xFF, 0x44);
405 	regmap_update_bits(rm, WCD938X_DIGITAL_TX_REQ_FB_CTL_2, 0xFF, 0x11);
406 	regmap_update_bits(rm, WCD938X_DIGITAL_TX_REQ_FB_CTL_3, 0xFF, 0x00);
407 	regmap_update_bits(rm, WCD938X_DIGITAL_TX_REQ_FB_CTL_4, 0xFF, 0x00);
408 
409 	/* Set Noise Filter Resistor value */
410 	regmap_update_bits(rm, WCD938X_MICB1_TEST_CTL_1, 0xE0, 0xE0);
411 	regmap_update_bits(rm, WCD938X_MICB2_TEST_CTL_1, 0xE0, 0xE0);
412 	regmap_update_bits(rm, WCD938X_MICB3_TEST_CTL_1, 0xE0, 0xE0);
413 	regmap_update_bits(rm, WCD938X_MICB4_TEST_CTL_1, 0xE0, 0xE0);
414 
415 	regmap_update_bits(rm, WCD938X_TX_3_4_TEST_BLK_EN2, 0x01, 0x00);
416 	regmap_update_bits(rm, WCD938X_HPH_SURGE_HPHLR_SURGE_EN, 0xC0, 0xC0);
417 
418 	return 0;
419 
420 }
421 
wcd938x_sdw_connect_port(struct wcd938x_sdw_ch_info * ch_info,struct sdw_port_config * port_config,u8 enable)422 static int wcd938x_sdw_connect_port(struct wcd938x_sdw_ch_info *ch_info,
423 				    struct sdw_port_config *port_config,
424 				    u8 enable)
425 {
426 	u8 ch_mask, port_num;
427 
428 	port_num = ch_info->port_num;
429 	ch_mask = ch_info->ch_mask;
430 
431 	port_config->num = port_num;
432 
433 	if (enable)
434 		port_config->ch_mask |= ch_mask;
435 	else
436 		port_config->ch_mask &= ~ch_mask;
437 
438 	return 0;
439 }
440 
wcd938x_connect_port(struct wcd938x_sdw_priv * wcd,u8 port_num,u8 ch_id,u8 enable)441 static int wcd938x_connect_port(struct wcd938x_sdw_priv *wcd, u8 port_num, u8 ch_id, u8 enable)
442 {
443 	return wcd938x_sdw_connect_port(&wcd->ch_info[ch_id],
444 					&wcd->port_config[port_num - 1],
445 					enable);
446 }
447 
wcd938x_codec_enable_rxclk(struct snd_soc_dapm_widget * w,struct snd_kcontrol * kcontrol,int event)448 static int wcd938x_codec_enable_rxclk(struct snd_soc_dapm_widget *w,
449 				      struct snd_kcontrol *kcontrol,
450 				      int event)
451 {
452 	struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm);
453 
454 	switch (event) {
455 	case SND_SOC_DAPM_PRE_PMU:
456 		snd_soc_component_write_field(component, WCD938X_DIGITAL_CDC_ANA_CLK_CTL,
457 				WCD938X_ANA_RX_CLK_EN_MASK, 1);
458 		snd_soc_component_write_field(component, WCD938X_ANA_RX_SUPPLIES,
459 				WCD938X_RX_BIAS_EN_MASK, 1);
460 		snd_soc_component_write_field(component, WCD938X_DIGITAL_CDC_RX0_CTL,
461 				WCD938X_DEM_DITHER_ENABLE_MASK, 0);
462 		snd_soc_component_write_field(component, WCD938X_DIGITAL_CDC_RX1_CTL,
463 				WCD938X_DEM_DITHER_ENABLE_MASK, 0);
464 		snd_soc_component_write_field(component, WCD938X_DIGITAL_CDC_RX2_CTL,
465 				WCD938X_DEM_DITHER_ENABLE_MASK, 0);
466 		snd_soc_component_write_field(component, WCD938X_DIGITAL_CDC_ANA_CLK_CTL,
467 				WCD938X_ANA_RX_DIV2_CLK_EN_MASK, 1);
468 		snd_soc_component_write_field(component, WCD938X_AUX_AUXPA,
469 					      WCD938X_AUXPA_CLK_EN_MASK, 1);
470 		break;
471 	case SND_SOC_DAPM_POST_PMD:
472 		snd_soc_component_write_field(component, WCD938X_ANA_RX_SUPPLIES,
473 				WCD938X_VNEG_EN_MASK, 0);
474 		snd_soc_component_write_field(component, WCD938X_ANA_RX_SUPPLIES,
475 				WCD938X_VPOS_EN_MASK, 0);
476 		snd_soc_component_write_field(component, WCD938X_ANA_RX_SUPPLIES,
477 				WCD938X_RX_BIAS_EN_MASK, 0);
478 		snd_soc_component_write_field(component, WCD938X_DIGITAL_CDC_ANA_CLK_CTL,
479 				WCD938X_ANA_RX_DIV2_CLK_EN_MASK, 0);
480 		snd_soc_component_write_field(component, WCD938X_DIGITAL_CDC_ANA_CLK_CTL,
481 				WCD938X_ANA_RX_CLK_EN_MASK, 0);
482 		break;
483 	}
484 	return 0;
485 }
486 
wcd938x_codec_hphl_dac_event(struct snd_soc_dapm_widget * w,struct snd_kcontrol * kcontrol,int event)487 static int wcd938x_codec_hphl_dac_event(struct snd_soc_dapm_widget *w,
488 					struct snd_kcontrol *kcontrol,
489 					int event)
490 {
491 	struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm);
492 	struct wcd938x_priv *wcd938x = snd_soc_component_get_drvdata(component);
493 
494 	switch (event) {
495 	case SND_SOC_DAPM_PRE_PMU:
496 		snd_soc_component_write_field(component,
497 				WCD938X_DIGITAL_CDC_DIG_CLK_CTL,
498 				WCD938X_RXD0_CLK_EN_MASK, 0x01);
499 		snd_soc_component_write_field(component,
500 				WCD938X_DIGITAL_CDC_HPH_GAIN_CTL,
501 				WCD938X_HPHL_RX_EN_MASK, 1);
502 		snd_soc_component_write_field(component,
503 				WCD938X_HPH_RDAC_CLK_CTL1,
504 				WCD938X_CHOP_CLK_EN_MASK, 0);
505 		break;
506 	case SND_SOC_DAPM_POST_PMU:
507 		snd_soc_component_write_field(component,
508 				WCD938X_HPH_NEW_INT_RDAC_HD2_CTL_L,
509 				WCD938X_HPH_RES_DIV_MASK, 0x02);
510 		if (wcd938x->comp1_enable) {
511 			snd_soc_component_write_field(component,
512 				WCD938X_DIGITAL_CDC_COMP_CTL_0,
513 				WCD938X_HPHL_COMP_EN_MASK, 1);
514 			/* 5msec compander delay as per HW requirement */
515 			if (!wcd938x->comp2_enable || (snd_soc_component_read(component,
516 							 WCD938X_DIGITAL_CDC_COMP_CTL_0) & 0x01))
517 				usleep_range(5000, 5010);
518 			snd_soc_component_write_field(component, WCD938X_HPH_NEW_INT_HPH_TIMER1,
519 					      WCD938X_AUTOCHOP_TIMER_EN, 0);
520 		} else {
521 			snd_soc_component_write_field(component,
522 					WCD938X_DIGITAL_CDC_COMP_CTL_0,
523 					WCD938X_HPHL_COMP_EN_MASK, 0);
524 			snd_soc_component_write_field(component,
525 					WCD938X_HPH_L_EN,
526 					WCD938X_GAIN_SRC_SEL_MASK,
527 					WCD938X_GAIN_SRC_SEL_REGISTER);
528 
529 		}
530 		break;
531 	case SND_SOC_DAPM_POST_PMD:
532 		snd_soc_component_write_field(component,
533 			WCD938X_HPH_NEW_INT_RDAC_HD2_CTL_R,
534 			WCD938X_HPH_RES_DIV_MASK, 0x1);
535 		break;
536 	}
537 
538 	return 0;
539 }
540 
wcd938x_codec_hphr_dac_event(struct snd_soc_dapm_widget * w,struct snd_kcontrol * kcontrol,int event)541 static int wcd938x_codec_hphr_dac_event(struct snd_soc_dapm_widget *w,
542 					struct snd_kcontrol *kcontrol,
543 					int event)
544 {
545 	struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm);
546 	struct wcd938x_priv *wcd938x = snd_soc_component_get_drvdata(component);
547 
548 	switch (event) {
549 	case SND_SOC_DAPM_PRE_PMU:
550 		snd_soc_component_write_field(component,
551 				WCD938X_DIGITAL_CDC_DIG_CLK_CTL,
552 				WCD938X_RXD1_CLK_EN_MASK, 1);
553 		snd_soc_component_write_field(component,
554 				WCD938X_DIGITAL_CDC_HPH_GAIN_CTL,
555 				WCD938X_HPHR_RX_EN_MASK, 1);
556 		snd_soc_component_write_field(component,
557 				WCD938X_HPH_RDAC_CLK_CTL1,
558 				WCD938X_CHOP_CLK_EN_MASK, 0);
559 		break;
560 	case SND_SOC_DAPM_POST_PMU:
561 		snd_soc_component_write_field(component,
562 				WCD938X_HPH_NEW_INT_RDAC_HD2_CTL_R,
563 				WCD938X_HPH_RES_DIV_MASK, 0x02);
564 		if (wcd938x->comp2_enable) {
565 			snd_soc_component_write_field(component,
566 				WCD938X_DIGITAL_CDC_COMP_CTL_0,
567 				WCD938X_HPHR_COMP_EN_MASK, 1);
568 			/* 5msec compander delay as per HW requirement */
569 			if (!wcd938x->comp1_enable ||
570 				(snd_soc_component_read(component,
571 					WCD938X_DIGITAL_CDC_COMP_CTL_0) & 0x02))
572 				usleep_range(5000, 5010);
573 			snd_soc_component_write_field(component, WCD938X_HPH_NEW_INT_HPH_TIMER1,
574 					      WCD938X_AUTOCHOP_TIMER_EN, 0);
575 		} else {
576 			snd_soc_component_write_field(component,
577 					WCD938X_DIGITAL_CDC_COMP_CTL_0,
578 					WCD938X_HPHR_COMP_EN_MASK, 0);
579 			snd_soc_component_write_field(component,
580 					WCD938X_HPH_R_EN,
581 					WCD938X_GAIN_SRC_SEL_MASK,
582 					WCD938X_GAIN_SRC_SEL_REGISTER);
583 		}
584 		break;
585 	case SND_SOC_DAPM_POST_PMD:
586 		snd_soc_component_write_field(component,
587 			WCD938X_HPH_NEW_INT_RDAC_HD2_CTL_R,
588 			WCD938X_HPH_RES_DIV_MASK, 0x01);
589 		break;
590 	}
591 
592 	return 0;
593 }
594 
wcd938x_codec_ear_dac_event(struct snd_soc_dapm_widget * w,struct snd_kcontrol * kcontrol,int event)595 static int wcd938x_codec_ear_dac_event(struct snd_soc_dapm_widget *w,
596 				       struct snd_kcontrol *kcontrol,
597 				       int event)
598 {
599 	struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm);
600 	struct wcd938x_priv *wcd938x = snd_soc_component_get_drvdata(component);
601 
602 	switch (event) {
603 	case SND_SOC_DAPM_PRE_PMU:
604 		wcd938x->ear_rx_path =
605 			snd_soc_component_read(
606 				component, WCD938X_DIGITAL_CDC_EAR_PATH_CTL);
607 		if (wcd938x->ear_rx_path & EAR_RX_PATH_AUX) {
608 			snd_soc_component_write_field(component,
609 				WCD938X_EAR_EAR_DAC_CON,
610 				WCD938X_DAC_SAMPLE_EDGE_SEL_MASK, 0);
611 			snd_soc_component_write_field(component,
612 				WCD938X_DIGITAL_CDC_AUX_GAIN_CTL,
613 				WCD938X_AUX_EN_MASK, 1);
614 			snd_soc_component_write_field(component,
615 				WCD938X_DIGITAL_CDC_DIG_CLK_CTL,
616 				WCD938X_RXD2_CLK_EN_MASK, 1);
617 			snd_soc_component_write_field(component,
618 				WCD938X_ANA_EAR_COMPANDER_CTL,
619 				WCD938X_GAIN_OVRD_REG_MASK, 1);
620 		} else {
621 			snd_soc_component_write_field(component,
622 				WCD938X_DIGITAL_CDC_HPH_GAIN_CTL,
623 				WCD938X_HPHL_RX_EN_MASK, 1);
624 			snd_soc_component_write_field(component,
625 				WCD938X_DIGITAL_CDC_DIG_CLK_CTL,
626 				WCD938X_RXD0_CLK_EN_MASK, 1);
627 			if (wcd938x->comp1_enable)
628 				snd_soc_component_write_field(component,
629 					WCD938X_DIGITAL_CDC_COMP_CTL_0,
630 					WCD938X_HPHL_COMP_EN_MASK, 1);
631 		}
632 		/* 5 msec delay as per HW requirement */
633 		usleep_range(5000, 5010);
634 		if (wcd938x->flyback_cur_det_disable == 0)
635 			snd_soc_component_write_field(component, WCD938X_FLYBACK_EN,
636 						      WCD938X_EN_CUR_DET_MASK, 0);
637 		wcd938x->flyback_cur_det_disable++;
638 		wcd_clsh_ctrl_set_state(wcd938x->clsh_info,
639 			     WCD_CLSH_EVENT_PRE_DAC,
640 			     WCD_CLSH_STATE_EAR,
641 			     wcd938x->hph_mode);
642 		break;
643 	case SND_SOC_DAPM_POST_PMD:
644 		if (wcd938x->ear_rx_path & EAR_RX_PATH_AUX) {
645 			snd_soc_component_write_field(component,
646 				WCD938X_DIGITAL_CDC_AUX_GAIN_CTL,
647 				WCD938X_AUX_EN_MASK, 0);
648 			snd_soc_component_write_field(component,
649 				WCD938X_DIGITAL_CDC_DIG_CLK_CTL,
650 				WCD938X_RXD2_CLK_EN_MASK, 0);
651 		} else {
652 			snd_soc_component_write_field(component,
653 				WCD938X_DIGITAL_CDC_HPH_GAIN_CTL,
654 				WCD938X_HPHL_RX_EN_MASK, 0);
655 			snd_soc_component_write_field(component,
656 				WCD938X_DIGITAL_CDC_DIG_CLK_CTL,
657 				WCD938X_RXD0_CLK_EN_MASK, 0);
658 			if (wcd938x->comp1_enable)
659 				snd_soc_component_write_field(component,
660 					WCD938X_DIGITAL_CDC_COMP_CTL_0,
661 					WCD938X_HPHL_COMP_EN_MASK, 0);
662 		}
663 		snd_soc_component_write_field(component, WCD938X_ANA_EAR_COMPANDER_CTL,
664 					      WCD938X_GAIN_OVRD_REG_MASK, 0);
665 		snd_soc_component_write_field(component,
666 				WCD938X_EAR_EAR_DAC_CON,
667 				WCD938X_DAC_SAMPLE_EDGE_SEL_MASK, 1);
668 		break;
669 	}
670 	return 0;
671 
672 }
673 
wcd938x_codec_aux_dac_event(struct snd_soc_dapm_widget * w,struct snd_kcontrol * kcontrol,int event)674 static int wcd938x_codec_aux_dac_event(struct snd_soc_dapm_widget *w,
675 				       struct snd_kcontrol *kcontrol,
676 				       int event)
677 {
678 	struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm);
679 	struct wcd938x_priv *wcd938x = snd_soc_component_get_drvdata(component);
680 
681 	switch (event) {
682 	case SND_SOC_DAPM_PRE_PMU:
683 		snd_soc_component_write_field(component,
684 				WCD938X_DIGITAL_CDC_ANA_CLK_CTL,
685 				WCD938X_ANA_RX_DIV4_CLK_EN_MASK, 1);
686 		snd_soc_component_write_field(component,
687 				WCD938X_DIGITAL_CDC_DIG_CLK_CTL,
688 				WCD938X_RXD2_CLK_EN_MASK, 1);
689 		snd_soc_component_write_field(component,
690 				WCD938X_DIGITAL_CDC_AUX_GAIN_CTL,
691 				WCD938X_AUX_EN_MASK, 1);
692 		if (wcd938x->flyback_cur_det_disable == 0)
693 			snd_soc_component_write_field(component, WCD938X_FLYBACK_EN,
694 						      WCD938X_EN_CUR_DET_MASK, 0);
695 		wcd938x->flyback_cur_det_disable++;
696 		wcd_clsh_ctrl_set_state(wcd938x->clsh_info,
697 			     WCD_CLSH_EVENT_PRE_DAC,
698 			     WCD_CLSH_STATE_AUX,
699 			     wcd938x->hph_mode);
700 		break;
701 	case SND_SOC_DAPM_POST_PMD:
702 		snd_soc_component_write_field(component,
703 				WCD938X_DIGITAL_CDC_ANA_CLK_CTL,
704 				WCD938X_ANA_RX_DIV4_CLK_EN_MASK, 0);
705 		break;
706 	}
707 	return 0;
708 
709 }
710 
wcd938x_codec_enable_hphr_pa(struct snd_soc_dapm_widget * w,struct snd_kcontrol * kcontrol,int event)711 static int wcd938x_codec_enable_hphr_pa(struct snd_soc_dapm_widget *w,
712 					struct snd_kcontrol *kcontrol, int event)
713 {
714 	struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm);
715 	struct wcd938x_priv *wcd938x = snd_soc_component_get_drvdata(component);
716 	int hph_mode = wcd938x->hph_mode;
717 
718 	switch (event) {
719 	case SND_SOC_DAPM_PRE_PMU:
720 		if (wcd938x->ldoh)
721 			snd_soc_component_write_field(component, WCD938X_LDOH_MODE,
722 						      WCD938X_LDOH_EN_MASK, 1);
723 		wcd_clsh_ctrl_set_state(wcd938x->clsh_info, WCD_CLSH_EVENT_PRE_DAC,
724 					WCD_CLSH_STATE_HPHR, hph_mode);
725 		wcd_clsh_set_hph_mode(wcd938x->clsh_info, CLS_H_HIFI);
726 
727 		if (hph_mode == CLS_H_LP || hph_mode == CLS_H_LOHIFI ||
728 		    hph_mode == CLS_H_ULP) {
729 			snd_soc_component_write_field(component,
730 				WCD938X_HPH_REFBUFF_LP_CTL,
731 				WCD938X_PREREF_FLIT_BYPASS_MASK, 1);
732 		}
733 		snd_soc_component_write_field(component, WCD938X_ANA_HPH,
734 					      WCD938X_HPHR_REF_EN_MASK, 1);
735 		wcd_clsh_set_hph_mode(wcd938x->clsh_info, hph_mode);
736 		/* 100 usec delay as per HW requirement */
737 		usleep_range(100, 110);
738 		set_bit(HPH_PA_DELAY, &wcd938x->status_mask);
739 		snd_soc_component_write_field(component,
740 					      WCD938X_DIGITAL_PDM_WD_CTL1,
741 					      WCD938X_PDM_WD_EN_MASK, 0x3);
742 		break;
743 	case SND_SOC_DAPM_POST_PMU:
744 		/*
745 		 * 7ms sleep is required if compander is enabled as per
746 		 * HW requirement. If compander is disabled, then
747 		 * 20ms delay is required.
748 		 */
749 		if (test_bit(HPH_PA_DELAY, &wcd938x->status_mask)) {
750 			if (!wcd938x->comp2_enable)
751 				usleep_range(20000, 20100);
752 			else
753 				usleep_range(7000, 7100);
754 
755 			if (hph_mode == CLS_H_LP || hph_mode == CLS_H_LOHIFI ||
756 			    hph_mode == CLS_H_ULP)
757 				snd_soc_component_write_field(component,
758 						WCD938X_HPH_REFBUFF_LP_CTL,
759 						WCD938X_PREREF_FLIT_BYPASS_MASK, 0);
760 			clear_bit(HPH_PA_DELAY, &wcd938x->status_mask);
761 		}
762 		snd_soc_component_write_field(component, WCD938X_HPH_NEW_INT_HPH_TIMER1,
763 					      WCD938X_AUTOCHOP_TIMER_EN, 1);
764 		if (hph_mode == CLS_AB || hph_mode == CLS_AB_HIFI ||
765 			hph_mode == CLS_AB_LP || hph_mode == CLS_AB_LOHIFI)
766 			snd_soc_component_write_field(component, WCD938X_ANA_RX_SUPPLIES,
767 					WCD938X_REGULATOR_MODE_MASK,
768 					WCD938X_REGULATOR_MODE_CLASS_AB);
769 		enable_irq(wcd938x->hphr_pdm_wd_int);
770 		break;
771 	case SND_SOC_DAPM_PRE_PMD:
772 		disable_irq_nosync(wcd938x->hphr_pdm_wd_int);
773 		/*
774 		 * 7ms sleep is required if compander is enabled as per
775 		 * HW requirement. If compander is disabled, then
776 		 * 20ms delay is required.
777 		 */
778 		if (!wcd938x->comp2_enable)
779 			usleep_range(20000, 20100);
780 		else
781 			usleep_range(7000, 7100);
782 		snd_soc_component_write_field(component, WCD938X_ANA_HPH,
783 					      WCD938X_HPHR_EN_MASK, 0);
784 		wcd_mbhc_event_notify(wcd938x->wcd_mbhc,
785 					     WCD_EVENT_PRE_HPHR_PA_OFF);
786 		set_bit(HPH_PA_DELAY, &wcd938x->status_mask);
787 		break;
788 	case SND_SOC_DAPM_POST_PMD:
789 		/*
790 		 * 7ms sleep is required if compander is enabled as per
791 		 * HW requirement. If compander is disabled, then
792 		 * 20ms delay is required.
793 		 */
794 		if (test_bit(HPH_PA_DELAY, &wcd938x->status_mask)) {
795 			if (!wcd938x->comp2_enable)
796 				usleep_range(20000, 20100);
797 			else
798 				usleep_range(7000, 7100);
799 			clear_bit(HPH_PA_DELAY, &wcd938x->status_mask);
800 		}
801 		wcd_mbhc_event_notify(wcd938x->wcd_mbhc,
802 					     WCD_EVENT_POST_HPHR_PA_OFF);
803 		snd_soc_component_write_field(component, WCD938X_ANA_HPH,
804 					      WCD938X_HPHR_REF_EN_MASK, 0);
805 		snd_soc_component_write_field(component, WCD938X_DIGITAL_PDM_WD_CTL1,
806 					      WCD938X_PDM_WD_EN_MASK, 0);
807 		wcd_clsh_ctrl_set_state(wcd938x->clsh_info, WCD_CLSH_EVENT_POST_PA,
808 					WCD_CLSH_STATE_HPHR, hph_mode);
809 		if (wcd938x->ldoh)
810 			snd_soc_component_write_field(component, WCD938X_LDOH_MODE,
811 						      WCD938X_LDOH_EN_MASK, 0);
812 		break;
813 	}
814 
815 	return 0;
816 }
817 
wcd938x_codec_enable_hphl_pa(struct snd_soc_dapm_widget * w,struct snd_kcontrol * kcontrol,int event)818 static int wcd938x_codec_enable_hphl_pa(struct snd_soc_dapm_widget *w,
819 					struct snd_kcontrol *kcontrol, int event)
820 {
821 	struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm);
822 	struct wcd938x_priv *wcd938x = snd_soc_component_get_drvdata(component);
823 	int hph_mode = wcd938x->hph_mode;
824 
825 	switch (event) {
826 	case SND_SOC_DAPM_PRE_PMU:
827 		if (wcd938x->ldoh)
828 			snd_soc_component_write_field(component, WCD938X_LDOH_MODE,
829 						      WCD938X_LDOH_EN_MASK, 1);
830 		wcd_clsh_ctrl_set_state(wcd938x->clsh_info, WCD_CLSH_EVENT_PRE_DAC,
831 					WCD_CLSH_STATE_HPHL, hph_mode);
832 		wcd_clsh_set_hph_mode(wcd938x->clsh_info, CLS_H_HIFI);
833 		if (hph_mode == CLS_H_LP || hph_mode == CLS_H_LOHIFI ||
834 		    hph_mode == CLS_H_ULP) {
835 			snd_soc_component_write_field(component,
836 					WCD938X_HPH_REFBUFF_LP_CTL,
837 					WCD938X_PREREF_FLIT_BYPASS_MASK, 1);
838 		}
839 		snd_soc_component_write_field(component, WCD938X_ANA_HPH,
840 					      WCD938X_HPHL_REF_EN_MASK, 1);
841 		wcd_clsh_set_hph_mode(wcd938x->clsh_info, hph_mode);
842 		/* 100 usec delay as per HW requirement */
843 		usleep_range(100, 110);
844 		set_bit(HPH_PA_DELAY, &wcd938x->status_mask);
845 		snd_soc_component_write_field(component,
846 					WCD938X_DIGITAL_PDM_WD_CTL0,
847 					WCD938X_PDM_WD_EN_MASK, 0x3);
848 		break;
849 	case SND_SOC_DAPM_POST_PMU:
850 		/*
851 		 * 7ms sleep is required if compander is enabled as per
852 		 * HW requirement. If compander is disabled, then
853 		 * 20ms delay is required.
854 		 */
855 		if (test_bit(HPH_PA_DELAY, &wcd938x->status_mask)) {
856 			if (!wcd938x->comp1_enable)
857 				usleep_range(20000, 20100);
858 			else
859 				usleep_range(7000, 7100);
860 			if (hph_mode == CLS_H_LP || hph_mode == CLS_H_LOHIFI ||
861 			    hph_mode == CLS_H_ULP)
862 				snd_soc_component_write_field(component,
863 					WCD938X_HPH_REFBUFF_LP_CTL,
864 					WCD938X_PREREF_FLIT_BYPASS_MASK, 0);
865 			clear_bit(HPH_PA_DELAY, &wcd938x->status_mask);
866 		}
867 
868 		snd_soc_component_write_field(component, WCD938X_HPH_NEW_INT_HPH_TIMER1,
869 					      WCD938X_AUTOCHOP_TIMER_EN, 1);
870 		if (hph_mode == CLS_AB || hph_mode == CLS_AB_HIFI ||
871 			hph_mode == CLS_AB_LP || hph_mode == CLS_AB_LOHIFI)
872 			snd_soc_component_write_field(component, WCD938X_ANA_RX_SUPPLIES,
873 					WCD938X_REGULATOR_MODE_MASK,
874 					WCD938X_REGULATOR_MODE_CLASS_AB);
875 		enable_irq(wcd938x->hphl_pdm_wd_int);
876 		break;
877 	case SND_SOC_DAPM_PRE_PMD:
878 		disable_irq_nosync(wcd938x->hphl_pdm_wd_int);
879 		/*
880 		 * 7ms sleep is required if compander is enabled as per
881 		 * HW requirement. If compander is disabled, then
882 		 * 20ms delay is required.
883 		 */
884 		if (!wcd938x->comp1_enable)
885 			usleep_range(20000, 20100);
886 		else
887 			usleep_range(7000, 7100);
888 		snd_soc_component_write_field(component, WCD938X_ANA_HPH,
889 					      WCD938X_HPHL_EN_MASK, 0);
890 		wcd_mbhc_event_notify(wcd938x->wcd_mbhc, WCD_EVENT_PRE_HPHL_PA_OFF);
891 		set_bit(HPH_PA_DELAY, &wcd938x->status_mask);
892 		break;
893 	case SND_SOC_DAPM_POST_PMD:
894 		/*
895 		 * 7ms sleep is required if compander is enabled as per
896 		 * HW requirement. If compander is disabled, then
897 		 * 20ms delay is required.
898 		 */
899 		if (test_bit(HPH_PA_DELAY, &wcd938x->status_mask)) {
900 			if (!wcd938x->comp1_enable)
901 				usleep_range(21000, 21100);
902 			else
903 				usleep_range(7000, 7100);
904 			clear_bit(HPH_PA_DELAY, &wcd938x->status_mask);
905 		}
906 		wcd_mbhc_event_notify(wcd938x->wcd_mbhc,
907 					     WCD_EVENT_POST_HPHL_PA_OFF);
908 		snd_soc_component_write_field(component, WCD938X_ANA_HPH,
909 					      WCD938X_HPHL_REF_EN_MASK, 0);
910 		snd_soc_component_write_field(component, WCD938X_DIGITAL_PDM_WD_CTL0,
911 					      WCD938X_PDM_WD_EN_MASK, 0);
912 		wcd_clsh_ctrl_set_state(wcd938x->clsh_info, WCD_CLSH_EVENT_POST_PA,
913 					WCD_CLSH_STATE_HPHL, hph_mode);
914 		if (wcd938x->ldoh)
915 			snd_soc_component_write_field(component, WCD938X_LDOH_MODE,
916 						      WCD938X_LDOH_EN_MASK, 0);
917 		break;
918 	}
919 
920 	return 0;
921 }
922 
wcd938x_codec_enable_aux_pa(struct snd_soc_dapm_widget * w,struct snd_kcontrol * kcontrol,int event)923 static int wcd938x_codec_enable_aux_pa(struct snd_soc_dapm_widget *w,
924 				       struct snd_kcontrol *kcontrol, int event)
925 {
926 	struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm);
927 	struct wcd938x_priv *wcd938x = snd_soc_component_get_drvdata(component);
928 	int hph_mode = wcd938x->hph_mode;
929 
930 	switch (event) {
931 	case SND_SOC_DAPM_PRE_PMU:
932 		snd_soc_component_write_field(component, WCD938X_DIGITAL_PDM_WD_CTL2,
933 					      WCD938X_AUX_PDM_WD_EN_MASK, 1);
934 		break;
935 	case SND_SOC_DAPM_POST_PMU:
936 		/* 1 msec delay as per HW requirement */
937 		usleep_range(1000, 1010);
938 		if (hph_mode == CLS_AB || hph_mode == CLS_AB_HIFI ||
939 			hph_mode == CLS_AB_LP || hph_mode == CLS_AB_LOHIFI)
940 			snd_soc_component_write_field(component, WCD938X_ANA_RX_SUPPLIES,
941 					WCD938X_REGULATOR_MODE_MASK,
942 					WCD938X_REGULATOR_MODE_CLASS_AB);
943 		enable_irq(wcd938x->aux_pdm_wd_int);
944 		break;
945 	case SND_SOC_DAPM_PRE_PMD:
946 		disable_irq_nosync(wcd938x->aux_pdm_wd_int);
947 		break;
948 	case SND_SOC_DAPM_POST_PMD:
949 		/* 1 msec delay as per HW requirement */
950 		usleep_range(1000, 1010);
951 		snd_soc_component_write_field(component, WCD938X_DIGITAL_PDM_WD_CTL2,
952 					      WCD938X_AUX_PDM_WD_EN_MASK, 0);
953 		wcd_clsh_ctrl_set_state(wcd938x->clsh_info,
954 			     WCD_CLSH_EVENT_POST_PA,
955 			     WCD_CLSH_STATE_AUX,
956 			     hph_mode);
957 
958 		wcd938x->flyback_cur_det_disable--;
959 		if (wcd938x->flyback_cur_det_disable == 0)
960 			snd_soc_component_write_field(component, WCD938X_FLYBACK_EN,
961 						      WCD938X_EN_CUR_DET_MASK, 1);
962 		break;
963 	}
964 	return 0;
965 }
966 
wcd938x_codec_enable_ear_pa(struct snd_soc_dapm_widget * w,struct snd_kcontrol * kcontrol,int event)967 static int wcd938x_codec_enable_ear_pa(struct snd_soc_dapm_widget *w,
968 				       struct snd_kcontrol *kcontrol, int event)
969 {
970 	struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm);
971 	struct wcd938x_priv *wcd938x = snd_soc_component_get_drvdata(component);
972 	int hph_mode = wcd938x->hph_mode;
973 
974 	switch (event) {
975 	case SND_SOC_DAPM_PRE_PMU:
976 		/*
977 		 * Enable watchdog interrupt for HPHL or AUX
978 		 * depending on mux value
979 		 */
980 		wcd938x->ear_rx_path = snd_soc_component_read(component,
981 							      WCD938X_DIGITAL_CDC_EAR_PATH_CTL);
982 		if (wcd938x->ear_rx_path & EAR_RX_PATH_AUX)
983 			snd_soc_component_write_field(component, WCD938X_DIGITAL_PDM_WD_CTL2,
984 					      WCD938X_AUX_PDM_WD_EN_MASK, 1);
985 		else
986 			snd_soc_component_write_field(component,
987 						      WCD938X_DIGITAL_PDM_WD_CTL0,
988 						      WCD938X_PDM_WD_EN_MASK, 0x3);
989 		if (!wcd938x->comp1_enable)
990 			snd_soc_component_write_field(component,
991 						      WCD938X_ANA_EAR_COMPANDER_CTL,
992 						      WCD938X_GAIN_OVRD_REG_MASK, 1);
993 
994 		break;
995 	case SND_SOC_DAPM_POST_PMU:
996 		/* 6 msec delay as per HW requirement */
997 		usleep_range(6000, 6010);
998 		if (hph_mode == CLS_AB || hph_mode == CLS_AB_HIFI ||
999 			hph_mode == CLS_AB_LP || hph_mode == CLS_AB_LOHIFI)
1000 			snd_soc_component_write_field(component, WCD938X_ANA_RX_SUPPLIES,
1001 					WCD938X_REGULATOR_MODE_MASK,
1002 					WCD938X_REGULATOR_MODE_CLASS_AB);
1003 		if (wcd938x->ear_rx_path & EAR_RX_PATH_AUX)
1004 			enable_irq(wcd938x->aux_pdm_wd_int);
1005 		else
1006 			enable_irq(wcd938x->hphl_pdm_wd_int);
1007 		break;
1008 	case SND_SOC_DAPM_PRE_PMD:
1009 		if (wcd938x->ear_rx_path & EAR_RX_PATH_AUX)
1010 			disable_irq_nosync(wcd938x->aux_pdm_wd_int);
1011 		else
1012 			disable_irq_nosync(wcd938x->hphl_pdm_wd_int);
1013 		break;
1014 	case SND_SOC_DAPM_POST_PMD:
1015 		if (!wcd938x->comp1_enable)
1016 			snd_soc_component_write_field(component, WCD938X_ANA_EAR_COMPANDER_CTL,
1017 						      WCD938X_GAIN_OVRD_REG_MASK, 0);
1018 		/* 7 msec delay as per HW requirement */
1019 		usleep_range(7000, 7010);
1020 		if (wcd938x->ear_rx_path & EAR_RX_PATH_AUX)
1021 			snd_soc_component_write_field(component, WCD938X_DIGITAL_PDM_WD_CTL2,
1022 					      WCD938X_AUX_PDM_WD_EN_MASK, 0);
1023 		else
1024 			snd_soc_component_write_field(component, WCD938X_DIGITAL_PDM_WD_CTL0,
1025 					WCD938X_PDM_WD_EN_MASK, 0);
1026 
1027 		wcd_clsh_ctrl_set_state(wcd938x->clsh_info, WCD_CLSH_EVENT_POST_PA,
1028 					WCD_CLSH_STATE_EAR, hph_mode);
1029 
1030 		wcd938x->flyback_cur_det_disable--;
1031 		if (wcd938x->flyback_cur_det_disable == 0)
1032 			snd_soc_component_write_field(component, WCD938X_FLYBACK_EN,
1033 						      WCD938X_EN_CUR_DET_MASK, 1);
1034 		break;
1035 	}
1036 
1037 	return 0;
1038 }
1039 
wcd938x_codec_enable_dmic(struct snd_soc_dapm_widget * w,struct snd_kcontrol * kcontrol,int event)1040 static int wcd938x_codec_enable_dmic(struct snd_soc_dapm_widget *w,
1041 				     struct snd_kcontrol *kcontrol,
1042 				     int event)
1043 {
1044 	struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm);
1045 	u16 dmic_clk_reg, dmic_clk_en_reg;
1046 	u8 dmic_sel_mask, dmic_clk_mask;
1047 
1048 	switch (w->shift) {
1049 	case 0:
1050 	case 1:
1051 		dmic_clk_reg = WCD938X_DIGITAL_CDC_DMIC_RATE_1_2;
1052 		dmic_clk_en_reg = WCD938X_DIGITAL_CDC_DMIC1_CTL;
1053 		dmic_clk_mask = WCD938X_DMIC1_RATE_MASK;
1054 		dmic_sel_mask = WCD938X_AMIC1_IN_SEL_MASK;
1055 		break;
1056 	case 2:
1057 	case 3:
1058 		dmic_clk_reg = WCD938X_DIGITAL_CDC_DMIC_RATE_1_2;
1059 		dmic_clk_en_reg = WCD938X_DIGITAL_CDC_DMIC2_CTL;
1060 		dmic_clk_mask = WCD938X_DMIC2_RATE_MASK;
1061 		dmic_sel_mask = WCD938X_AMIC3_IN_SEL_MASK;
1062 		break;
1063 	case 4:
1064 	case 5:
1065 		dmic_clk_reg = WCD938X_DIGITAL_CDC_DMIC_RATE_3_4;
1066 		dmic_clk_en_reg = WCD938X_DIGITAL_CDC_DMIC3_CTL;
1067 		dmic_clk_mask = WCD938X_DMIC3_RATE_MASK;
1068 		dmic_sel_mask = WCD938X_AMIC4_IN_SEL_MASK;
1069 		break;
1070 	case 6:
1071 	case 7:
1072 		dmic_clk_reg = WCD938X_DIGITAL_CDC_DMIC_RATE_3_4;
1073 		dmic_clk_en_reg = WCD938X_DIGITAL_CDC_DMIC4_CTL;
1074 		dmic_clk_mask = WCD938X_DMIC4_RATE_MASK;
1075 		dmic_sel_mask = WCD938X_AMIC5_IN_SEL_MASK;
1076 		break;
1077 	default:
1078 		dev_err(component->dev, "%s: Invalid DMIC Selection\n",
1079 			__func__);
1080 		return -EINVAL;
1081 	}
1082 
1083 	switch (event) {
1084 	case SND_SOC_DAPM_PRE_PMU:
1085 		snd_soc_component_write_field(component,
1086 				WCD938X_DIGITAL_CDC_AMIC_CTL,
1087 				dmic_sel_mask,
1088 				WCD938X_AMIC1_IN_SEL_DMIC);
1089 		/* 250us sleep as per HW requirement */
1090 		usleep_range(250, 260);
1091 		/* Setting DMIC clock rate to 2.4MHz */
1092 		snd_soc_component_write_field(component, dmic_clk_reg,
1093 					      dmic_clk_mask,
1094 					      WCD938X_DMIC4_RATE_2P4MHZ);
1095 		snd_soc_component_write_field(component, dmic_clk_en_reg,
1096 					      WCD938X_DMIC_CLK_EN_MASK, 1);
1097 		/* enable clock scaling */
1098 		snd_soc_component_write_field(component, WCD938X_DIGITAL_CDC_DMIC_CTL,
1099 					      WCD938X_DMIC_CLK_SCALING_EN_MASK, 0x3);
1100 		break;
1101 	case SND_SOC_DAPM_POST_PMD:
1102 		snd_soc_component_write_field(component,
1103 				WCD938X_DIGITAL_CDC_AMIC_CTL,
1104 				dmic_sel_mask, WCD938X_AMIC1_IN_SEL_AMIC);
1105 		snd_soc_component_write_field(component, dmic_clk_en_reg,
1106 					      WCD938X_DMIC_CLK_EN_MASK, 0);
1107 		break;
1108 	}
1109 	return 0;
1110 }
1111 
wcd938x_tx_swr_ctrl(struct snd_soc_dapm_widget * w,struct snd_kcontrol * kcontrol,int event)1112 static int wcd938x_tx_swr_ctrl(struct snd_soc_dapm_widget *w,
1113 			       struct snd_kcontrol *kcontrol, int event)
1114 {
1115 	struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm);
1116 	struct wcd938x_priv *wcd938x = snd_soc_component_get_drvdata(component);
1117 	int bank;
1118 	int rate;
1119 
1120 	bank = (wcd938x_swr_get_current_bank(wcd938x->sdw_priv[AIF1_CAP]->sdev)) ? 0 : 1;
1121 	bank = bank ? 0 : 1;
1122 
1123 	switch (event) {
1124 	case SND_SOC_DAPM_PRE_PMU:
1125 		if (strnstr(w->name, "ADC", sizeof("ADC"))) {
1126 			int i = 0, mode = 0;
1127 
1128 			if (test_bit(WCD_ADC1, &wcd938x->status_mask))
1129 				mode |= tx_mode_bit[wcd938x->tx_mode[WCD_ADC1]];
1130 			if (test_bit(WCD_ADC2, &wcd938x->status_mask))
1131 				mode |= tx_mode_bit[wcd938x->tx_mode[WCD_ADC2]];
1132 			if (test_bit(WCD_ADC3, &wcd938x->status_mask))
1133 				mode |= tx_mode_bit[wcd938x->tx_mode[WCD_ADC3]];
1134 			if (test_bit(WCD_ADC4, &wcd938x->status_mask))
1135 				mode |= tx_mode_bit[wcd938x->tx_mode[WCD_ADC4]];
1136 
1137 			if (mode != 0) {
1138 				for (i = 0; i < ADC_MODE_ULP2; i++) {
1139 					if (mode & (1 << i)) {
1140 						i++;
1141 						break;
1142 					}
1143 				}
1144 			}
1145 			rate = wcd938x_get_clk_rate(i);
1146 			wcd938x_set_swr_clk_rate(component, rate, bank);
1147 			/* Copy clk settings to active bank */
1148 			wcd938x_set_swr_clk_rate(component, rate, !bank);
1149 		}
1150 		break;
1151 	case SND_SOC_DAPM_POST_PMD:
1152 		if (strnstr(w->name, "ADC", sizeof("ADC"))) {
1153 			rate = wcd938x_get_clk_rate(ADC_MODE_INVALID);
1154 			wcd938x_set_swr_clk_rate(component, rate, !bank);
1155 			wcd938x_set_swr_clk_rate(component, rate, bank);
1156 		}
1157 		break;
1158 	}
1159 
1160 	return 0;
1161 }
1162 
wcd938x_get_adc_mode(int val)1163 static int wcd938x_get_adc_mode(int val)
1164 {
1165 	int ret = 0;
1166 
1167 	switch (val) {
1168 	case ADC_MODE_INVALID:
1169 		ret = ADC_MODE_VAL_NORMAL;
1170 		break;
1171 	case ADC_MODE_HIFI:
1172 		ret = ADC_MODE_VAL_HIFI;
1173 		break;
1174 	case ADC_MODE_LO_HIF:
1175 		ret = ADC_MODE_VAL_LO_HIF;
1176 		break;
1177 	case ADC_MODE_NORMAL:
1178 		ret = ADC_MODE_VAL_NORMAL;
1179 		break;
1180 	case ADC_MODE_LP:
1181 		ret = ADC_MODE_VAL_LP;
1182 		break;
1183 	case ADC_MODE_ULP1:
1184 		ret = ADC_MODE_VAL_ULP1;
1185 		break;
1186 	case ADC_MODE_ULP2:
1187 		ret = ADC_MODE_VAL_ULP2;
1188 		break;
1189 	default:
1190 		ret = -EINVAL;
1191 		break;
1192 	}
1193 	return ret;
1194 }
1195 
wcd938x_codec_enable_adc(struct snd_soc_dapm_widget * w,struct snd_kcontrol * kcontrol,int event)1196 static int wcd938x_codec_enable_adc(struct snd_soc_dapm_widget *w,
1197 				    struct snd_kcontrol *kcontrol, int event)
1198 {
1199 	struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm);
1200 	struct wcd938x_priv *wcd938x = snd_soc_component_get_drvdata(component);
1201 
1202 	switch (event) {
1203 	case SND_SOC_DAPM_PRE_PMU:
1204 		snd_soc_component_write_field(component,
1205 					      WCD938X_DIGITAL_CDC_ANA_CLK_CTL,
1206 					      WCD938X_ANA_TX_CLK_EN_MASK, 1);
1207 		snd_soc_component_write_field(component,
1208 					      WCD938X_DIGITAL_CDC_ANA_CLK_CTL,
1209 					      WCD938X_ANA_TX_DIV2_CLK_EN_MASK, 1);
1210 		set_bit(w->shift, &wcd938x->status_mask);
1211 		break;
1212 	case SND_SOC_DAPM_POST_PMD:
1213 		snd_soc_component_write_field(component, WCD938X_DIGITAL_CDC_ANA_CLK_CTL,
1214 					      WCD938X_ANA_TX_CLK_EN_MASK, 0);
1215 		clear_bit(w->shift, &wcd938x->status_mask);
1216 		break;
1217 	}
1218 
1219 	return 0;
1220 }
1221 
wcd938x_tx_channel_config(struct snd_soc_component * component,int channel,int mode)1222 static void wcd938x_tx_channel_config(struct snd_soc_component *component,
1223 				     int channel, int mode)
1224 {
1225 	int reg, mask;
1226 
1227 	switch (channel) {
1228 	case 0:
1229 		reg = WCD938X_ANA_TX_CH2;
1230 		mask = WCD938X_HPF1_INIT_MASK;
1231 		break;
1232 	case 1:
1233 		reg = WCD938X_ANA_TX_CH2;
1234 		mask = WCD938X_HPF2_INIT_MASK;
1235 		break;
1236 	case 2:
1237 		reg = WCD938X_ANA_TX_CH4;
1238 		mask = WCD938X_HPF3_INIT_MASK;
1239 		break;
1240 	case 3:
1241 		reg = WCD938X_ANA_TX_CH4;
1242 		mask = WCD938X_HPF4_INIT_MASK;
1243 		break;
1244 	default:
1245 		return;
1246 	}
1247 
1248 	snd_soc_component_write_field(component, reg, mask, mode);
1249 }
1250 
wcd938x_adc_enable_req(struct snd_soc_dapm_widget * w,struct snd_kcontrol * kcontrol,int event)1251 static int wcd938x_adc_enable_req(struct snd_soc_dapm_widget *w,
1252 				  struct snd_kcontrol *kcontrol, int event)
1253 {
1254 	struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm);
1255 	struct wcd938x_priv *wcd938x = snd_soc_component_get_drvdata(component);
1256 	int mode;
1257 
1258 	switch (event) {
1259 	case SND_SOC_DAPM_PRE_PMU:
1260 		snd_soc_component_write_field(component,
1261 				WCD938X_DIGITAL_CDC_REQ_CTL,
1262 				WCD938X_FS_RATE_4P8_MASK, 1);
1263 		snd_soc_component_write_field(component,
1264 				WCD938X_DIGITAL_CDC_REQ_CTL,
1265 				WCD938X_NO_NOTCH_MASK, 0);
1266 		wcd938x_tx_channel_config(component, w->shift, 1);
1267 		mode = wcd938x_get_adc_mode(wcd938x->tx_mode[w->shift]);
1268 		if (mode < 0) {
1269 			dev_info(component->dev, "Invalid ADC mode\n");
1270 			return -EINVAL;
1271 		}
1272 		switch (w->shift) {
1273 		case 0:
1274 			snd_soc_component_write_field(component,
1275 				WCD938X_DIGITAL_CDC_TX_ANA_MODE_0_1,
1276 				WCD938X_TXD0_MODE_MASK, mode);
1277 			snd_soc_component_write_field(component,
1278 						WCD938X_DIGITAL_CDC_DIG_CLK_CTL,
1279 						WCD938X_TXD0_CLK_EN_MASK, 1);
1280 			break;
1281 		case 1:
1282 			snd_soc_component_write_field(component,
1283 				WCD938X_DIGITAL_CDC_TX_ANA_MODE_0_1,
1284 				WCD938X_TXD1_MODE_MASK, mode);
1285 			snd_soc_component_write_field(component,
1286 					      WCD938X_DIGITAL_CDC_DIG_CLK_CTL,
1287 					      WCD938X_TXD1_CLK_EN_MASK, 1);
1288 			break;
1289 		case 2:
1290 			snd_soc_component_write_field(component,
1291 				WCD938X_DIGITAL_CDC_TX_ANA_MODE_2_3,
1292 				WCD938X_TXD2_MODE_MASK, mode);
1293 			snd_soc_component_write_field(component,
1294 				WCD938X_DIGITAL_CDC_DIG_CLK_CTL,
1295 				WCD938X_TXD2_CLK_EN_MASK, 1);
1296 			break;
1297 		case 3:
1298 			snd_soc_component_write_field(component,
1299 				WCD938X_DIGITAL_CDC_TX_ANA_MODE_2_3,
1300 				WCD938X_TXD3_MODE_MASK, mode);
1301 			snd_soc_component_write_field(component,
1302 				WCD938X_DIGITAL_CDC_DIG_CLK_CTL,
1303 				WCD938X_TXD3_CLK_EN_MASK, 1);
1304 			break;
1305 		default:
1306 			break;
1307 		}
1308 
1309 		wcd938x_tx_channel_config(component, w->shift, 0);
1310 		break;
1311 	case SND_SOC_DAPM_POST_PMD:
1312 		switch (w->shift) {
1313 		case 0:
1314 			snd_soc_component_write_field(component,
1315 				WCD938X_DIGITAL_CDC_TX_ANA_MODE_0_1,
1316 				WCD938X_TXD0_MODE_MASK, 0);
1317 			snd_soc_component_write_field(component,
1318 				WCD938X_DIGITAL_CDC_DIG_CLK_CTL,
1319 				WCD938X_TXD0_CLK_EN_MASK, 0);
1320 			break;
1321 		case 1:
1322 			snd_soc_component_write_field(component,
1323 				WCD938X_DIGITAL_CDC_TX_ANA_MODE_0_1,
1324 				WCD938X_TXD1_MODE_MASK, 0);
1325 			snd_soc_component_write_field(component,
1326 				WCD938X_DIGITAL_CDC_DIG_CLK_CTL,
1327 				WCD938X_TXD1_CLK_EN_MASK, 0);
1328 			break;
1329 		case 2:
1330 			snd_soc_component_write_field(component,
1331 				WCD938X_DIGITAL_CDC_TX_ANA_MODE_2_3,
1332 				WCD938X_TXD2_MODE_MASK, 0);
1333 			snd_soc_component_write_field(component,
1334 				WCD938X_DIGITAL_CDC_DIG_CLK_CTL,
1335 				WCD938X_TXD2_CLK_EN_MASK, 0);
1336 			break;
1337 		case 3:
1338 			snd_soc_component_write_field(component,
1339 				WCD938X_DIGITAL_CDC_TX_ANA_MODE_2_3,
1340 				WCD938X_TXD3_MODE_MASK, 0);
1341 			snd_soc_component_write_field(component,
1342 				WCD938X_DIGITAL_CDC_DIG_CLK_CTL,
1343 				WCD938X_TXD3_CLK_EN_MASK, 0);
1344 			break;
1345 		default:
1346 			break;
1347 		}
1348 		snd_soc_component_write_field(component,
1349 				WCD938X_DIGITAL_CDC_ANA_CLK_CTL,
1350 				WCD938X_ANA_TX_DIV2_CLK_EN_MASK, 0);
1351 		break;
1352 	}
1353 
1354 	return 0;
1355 }
1356 
wcd938x_micbias_control(struct snd_soc_component * component,int micb_num,int req,bool is_dapm)1357 static int wcd938x_micbias_control(struct snd_soc_component *component,
1358 				   int micb_num, int req, bool is_dapm)
1359 {
1360 	struct wcd938x_priv *wcd938x = snd_soc_component_get_drvdata(component);
1361 	int micb_index = micb_num - 1;
1362 	u16 micb_reg;
1363 
1364 	switch (micb_num) {
1365 	case MIC_BIAS_1:
1366 		micb_reg = WCD938X_ANA_MICB1;
1367 		break;
1368 	case MIC_BIAS_2:
1369 		micb_reg = WCD938X_ANA_MICB2;
1370 		break;
1371 	case MIC_BIAS_3:
1372 		micb_reg = WCD938X_ANA_MICB3;
1373 		break;
1374 	case MIC_BIAS_4:
1375 		micb_reg = WCD938X_ANA_MICB4;
1376 		break;
1377 	default:
1378 		dev_err(component->dev, "%s: Invalid micbias number: %d\n",
1379 			__func__, micb_num);
1380 		return -EINVAL;
1381 	}
1382 
1383 	switch (req) {
1384 	case MICB_PULLUP_ENABLE:
1385 		wcd938x->pullup_ref[micb_index]++;
1386 		if ((wcd938x->pullup_ref[micb_index] == 1) &&
1387 		    (wcd938x->micb_ref[micb_index] == 0))
1388 			snd_soc_component_write_field(component, micb_reg,
1389 						      WCD938X_MICB_EN_MASK,
1390 						      WCD938X_MICB_PULL_UP);
1391 		break;
1392 	case MICB_PULLUP_DISABLE:
1393 		if (wcd938x->pullup_ref[micb_index] > 0)
1394 			wcd938x->pullup_ref[micb_index]--;
1395 
1396 		if ((wcd938x->pullup_ref[micb_index] == 0) &&
1397 		    (wcd938x->micb_ref[micb_index] == 0))
1398 			snd_soc_component_write_field(component, micb_reg,
1399 						      WCD938X_MICB_EN_MASK, 0);
1400 		break;
1401 	case MICB_ENABLE:
1402 		wcd938x->micb_ref[micb_index]++;
1403 		if (wcd938x->micb_ref[micb_index] == 1) {
1404 			snd_soc_component_write_field(component,
1405 				WCD938X_DIGITAL_CDC_DIG_CLK_CTL,
1406 				WCD938X_TX_CLK_EN_MASK, 0xF);
1407 			snd_soc_component_write_field(component,
1408 				WCD938X_DIGITAL_CDC_ANA_CLK_CTL,
1409 				WCD938X_ANA_TX_DIV2_CLK_EN_MASK, 1);
1410 			snd_soc_component_write_field(component,
1411 			       WCD938X_DIGITAL_CDC_ANA_TX_CLK_CTL,
1412 			       WCD938X_TX_SC_CLK_EN_MASK, 1);
1413 
1414 			snd_soc_component_write_field(component, micb_reg,
1415 						      WCD938X_MICB_EN_MASK,
1416 						      WCD938X_MICB_ENABLE);
1417 			if (micb_num  == MIC_BIAS_2)
1418 				wcd_mbhc_event_notify(wcd938x->wcd_mbhc,
1419 						      WCD_EVENT_POST_MICBIAS_2_ON);
1420 		}
1421 		if (micb_num  == MIC_BIAS_2 && is_dapm)
1422 			wcd_mbhc_event_notify(wcd938x->wcd_mbhc,
1423 					      WCD_EVENT_POST_DAPM_MICBIAS_2_ON);
1424 
1425 
1426 		break;
1427 	case MICB_DISABLE:
1428 		if (wcd938x->micb_ref[micb_index] > 0)
1429 			wcd938x->micb_ref[micb_index]--;
1430 
1431 		if ((wcd938x->micb_ref[micb_index] == 0) &&
1432 		    (wcd938x->pullup_ref[micb_index] > 0))
1433 			snd_soc_component_write_field(component, micb_reg,
1434 						      WCD938X_MICB_EN_MASK,
1435 						      WCD938X_MICB_PULL_UP);
1436 		else if ((wcd938x->micb_ref[micb_index] == 0) &&
1437 			 (wcd938x->pullup_ref[micb_index] == 0)) {
1438 			if (micb_num  == MIC_BIAS_2)
1439 				wcd_mbhc_event_notify(wcd938x->wcd_mbhc,
1440 						      WCD_EVENT_PRE_MICBIAS_2_OFF);
1441 
1442 			snd_soc_component_write_field(component, micb_reg,
1443 						      WCD938X_MICB_EN_MASK, 0);
1444 			if (micb_num  == MIC_BIAS_2)
1445 				wcd_mbhc_event_notify(wcd938x->wcd_mbhc,
1446 						      WCD_EVENT_POST_MICBIAS_2_OFF);
1447 		}
1448 		if (is_dapm && micb_num  == MIC_BIAS_2)
1449 			wcd_mbhc_event_notify(wcd938x->wcd_mbhc,
1450 					      WCD_EVENT_POST_DAPM_MICBIAS_2_OFF);
1451 		break;
1452 	}
1453 
1454 	return 0;
1455 }
1456 
wcd938x_codec_enable_micbias(struct snd_soc_dapm_widget * w,struct snd_kcontrol * kcontrol,int event)1457 static int wcd938x_codec_enable_micbias(struct snd_soc_dapm_widget *w,
1458 					struct snd_kcontrol *kcontrol,
1459 					int event)
1460 {
1461 	struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm);
1462 	int micb_num = w->shift;
1463 
1464 	switch (event) {
1465 	case SND_SOC_DAPM_PRE_PMU:
1466 		wcd938x_micbias_control(component, micb_num, MICB_ENABLE, true);
1467 		break;
1468 	case SND_SOC_DAPM_POST_PMU:
1469 		/* 1 msec delay as per HW requirement */
1470 		usleep_range(1000, 1100);
1471 		break;
1472 	case SND_SOC_DAPM_POST_PMD:
1473 		wcd938x_micbias_control(component, micb_num, MICB_DISABLE, true);
1474 		break;
1475 	}
1476 
1477 	return 0;
1478 }
1479 
wcd938x_codec_enable_micbias_pullup(struct snd_soc_dapm_widget * w,struct snd_kcontrol * kcontrol,int event)1480 static int wcd938x_codec_enable_micbias_pullup(struct snd_soc_dapm_widget *w,
1481 					       struct snd_kcontrol *kcontrol,
1482 					       int event)
1483 {
1484 	struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm);
1485 	int micb_num = w->shift;
1486 
1487 	switch (event) {
1488 	case SND_SOC_DAPM_PRE_PMU:
1489 		wcd938x_micbias_control(component, micb_num,
1490 					MICB_PULLUP_ENABLE, true);
1491 		break;
1492 	case SND_SOC_DAPM_POST_PMU:
1493 		/* 1 msec delay as per HW requirement */
1494 		usleep_range(1000, 1100);
1495 		break;
1496 	case SND_SOC_DAPM_POST_PMD:
1497 		wcd938x_micbias_control(component, micb_num,
1498 					MICB_PULLUP_DISABLE, true);
1499 		break;
1500 	}
1501 
1502 	return 0;
1503 }
1504 
wcd938x_tx_mode_get(struct snd_kcontrol * kcontrol,struct snd_ctl_elem_value * ucontrol)1505 static int wcd938x_tx_mode_get(struct snd_kcontrol *kcontrol,
1506 			       struct snd_ctl_elem_value *ucontrol)
1507 {
1508 	struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol);
1509 	struct wcd938x_priv *wcd938x = snd_soc_component_get_drvdata(component);
1510 	struct soc_enum *e = (struct soc_enum *)kcontrol->private_value;
1511 	int path = e->shift_l;
1512 
1513 	ucontrol->value.enumerated.item[0] = wcd938x->tx_mode[path];
1514 
1515 	return 0;
1516 }
1517 
wcd938x_tx_mode_put(struct snd_kcontrol * kcontrol,struct snd_ctl_elem_value * ucontrol)1518 static int wcd938x_tx_mode_put(struct snd_kcontrol *kcontrol,
1519 			       struct snd_ctl_elem_value *ucontrol)
1520 {
1521 	struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol);
1522 	struct wcd938x_priv *wcd938x = snd_soc_component_get_drvdata(component);
1523 	struct soc_enum *e = (struct soc_enum *)kcontrol->private_value;
1524 	int path = e->shift_l;
1525 
1526 	if (wcd938x->tx_mode[path] == ucontrol->value.enumerated.item[0])
1527 		return 0;
1528 
1529 	wcd938x->tx_mode[path] = ucontrol->value.enumerated.item[0];
1530 
1531 	return 1;
1532 }
1533 
wcd938x_rx_hph_mode_get(struct snd_kcontrol * kcontrol,struct snd_ctl_elem_value * ucontrol)1534 static int wcd938x_rx_hph_mode_get(struct snd_kcontrol *kcontrol,
1535 				 struct snd_ctl_elem_value *ucontrol)
1536 {
1537 	struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol);
1538 	struct wcd938x_priv *wcd938x = snd_soc_component_get_drvdata(component);
1539 
1540 	ucontrol->value.enumerated.item[0] = wcd938x->hph_mode;
1541 
1542 	return 0;
1543 }
1544 
wcd938x_rx_hph_mode_put(struct snd_kcontrol * kcontrol,struct snd_ctl_elem_value * ucontrol)1545 static int wcd938x_rx_hph_mode_put(struct snd_kcontrol *kcontrol,
1546 				   struct snd_ctl_elem_value *ucontrol)
1547 {
1548 	struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol);
1549 	struct wcd938x_priv *wcd938x = snd_soc_component_get_drvdata(component);
1550 
1551 	if (wcd938x->hph_mode == ucontrol->value.enumerated.item[0])
1552 		return 0;
1553 
1554 	wcd938x->hph_mode = ucontrol->value.enumerated.item[0];
1555 
1556 	return 1;
1557 }
1558 
wcd938x_ear_pa_put_gain(struct snd_kcontrol * kcontrol,struct snd_ctl_elem_value * ucontrol)1559 static int wcd938x_ear_pa_put_gain(struct snd_kcontrol *kcontrol,
1560 				   struct snd_ctl_elem_value *ucontrol)
1561 {
1562 	struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol);
1563 	struct wcd938x_priv *wcd938x = snd_soc_component_get_drvdata(component);
1564 
1565 	if (wcd938x->comp1_enable) {
1566 		dev_err(component->dev, "Can not set EAR PA Gain, compander1 is enabled\n");
1567 		return -EINVAL;
1568 	}
1569 
1570 	snd_soc_component_write_field(component, WCD938X_ANA_EAR_COMPANDER_CTL,
1571 				      WCD938X_EAR_GAIN_MASK,
1572 				      ucontrol->value.integer.value[0]);
1573 
1574 	return 1;
1575 }
1576 
wcd938x_get_compander(struct snd_kcontrol * kcontrol,struct snd_ctl_elem_value * ucontrol)1577 static int wcd938x_get_compander(struct snd_kcontrol *kcontrol,
1578 				 struct snd_ctl_elem_value *ucontrol)
1579 {
1580 
1581 	struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol);
1582 	struct wcd938x_priv *wcd938x = snd_soc_component_get_drvdata(component);
1583 	struct soc_mixer_control *mc;
1584 	bool hphr;
1585 
1586 	mc = (struct soc_mixer_control *)(kcontrol->private_value);
1587 	hphr = mc->shift;
1588 
1589 	if (hphr)
1590 		ucontrol->value.integer.value[0] = wcd938x->comp2_enable;
1591 	else
1592 		ucontrol->value.integer.value[0] = wcd938x->comp1_enable;
1593 
1594 	return 0;
1595 }
1596 
wcd938x_set_compander(struct snd_kcontrol * kcontrol,struct snd_ctl_elem_value * ucontrol)1597 static int wcd938x_set_compander(struct snd_kcontrol *kcontrol,
1598 				 struct snd_ctl_elem_value *ucontrol)
1599 {
1600 	struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol);
1601 	struct wcd938x_priv *wcd938x = snd_soc_component_get_drvdata(component);
1602 	struct wcd938x_sdw_priv *wcd;
1603 	int value = ucontrol->value.integer.value[0];
1604 	int portidx;
1605 	struct soc_mixer_control *mc;
1606 	bool hphr;
1607 
1608 	mc = (struct soc_mixer_control *)(kcontrol->private_value);
1609 	hphr = mc->shift;
1610 
1611 	wcd = wcd938x->sdw_priv[AIF1_PB];
1612 
1613 	if (hphr)
1614 		wcd938x->comp2_enable = value;
1615 	else
1616 		wcd938x->comp1_enable = value;
1617 
1618 	portidx = wcd->ch_info[mc->reg].port_num;
1619 
1620 	if (value)
1621 		wcd938x_connect_port(wcd, portidx, mc->reg, true);
1622 	else
1623 		wcd938x_connect_port(wcd, portidx, mc->reg, false);
1624 
1625 	return 1;
1626 }
1627 
wcd938x_ldoh_get(struct snd_kcontrol * kcontrol,struct snd_ctl_elem_value * ucontrol)1628 static int wcd938x_ldoh_get(struct snd_kcontrol *kcontrol,
1629 			    struct snd_ctl_elem_value *ucontrol)
1630 {
1631 	struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol);
1632 	struct wcd938x_priv *wcd938x = snd_soc_component_get_drvdata(component);
1633 
1634 	ucontrol->value.integer.value[0] = wcd938x->ldoh;
1635 
1636 	return 0;
1637 }
1638 
wcd938x_ldoh_put(struct snd_kcontrol * kcontrol,struct snd_ctl_elem_value * ucontrol)1639 static int wcd938x_ldoh_put(struct snd_kcontrol *kcontrol,
1640 			    struct snd_ctl_elem_value *ucontrol)
1641 {
1642 	struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol);
1643 	struct wcd938x_priv *wcd938x = snd_soc_component_get_drvdata(component);
1644 
1645 	if (wcd938x->ldoh == ucontrol->value.integer.value[0])
1646 		return 0;
1647 
1648 	wcd938x->ldoh = ucontrol->value.integer.value[0];
1649 
1650 	return 1;
1651 }
1652 
wcd938x_bcs_get(struct snd_kcontrol * kcontrol,struct snd_ctl_elem_value * ucontrol)1653 static int wcd938x_bcs_get(struct snd_kcontrol *kcontrol,
1654 			   struct snd_ctl_elem_value *ucontrol)
1655 {
1656 	struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol);
1657 	struct wcd938x_priv *wcd938x = snd_soc_component_get_drvdata(component);
1658 
1659 	ucontrol->value.integer.value[0] = wcd938x->bcs_dis;
1660 
1661 	return 0;
1662 }
1663 
wcd938x_bcs_put(struct snd_kcontrol * kcontrol,struct snd_ctl_elem_value * ucontrol)1664 static int wcd938x_bcs_put(struct snd_kcontrol *kcontrol,
1665 			   struct snd_ctl_elem_value *ucontrol)
1666 {
1667 	struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol);
1668 	struct wcd938x_priv *wcd938x = snd_soc_component_get_drvdata(component);
1669 
1670 	if (wcd938x->bcs_dis == ucontrol->value.integer.value[0])
1671 		return 0;
1672 
1673 	wcd938x->bcs_dis = ucontrol->value.integer.value[0];
1674 
1675 	return 1;
1676 }
1677 
1678 static const char * const tx_mode_mux_text_wcd9380[] = {
1679 	"ADC_INVALID", "ADC_HIFI", "ADC_LO_HIF", "ADC_NORMAL", "ADC_LP",
1680 };
1681 
1682 static const char * const tx_mode_mux_text[] = {
1683 	"ADC_INVALID", "ADC_HIFI", "ADC_LO_HIF", "ADC_NORMAL", "ADC_LP",
1684 	"ADC_ULP1", "ADC_ULP2",
1685 };
1686 
1687 static const char * const rx_hph_mode_mux_text_wcd9380[] = {
1688 	"CLS_H_INVALID", "CLS_H_INVALID_1", "CLS_H_LP", "CLS_AB",
1689 	"CLS_H_LOHIFI", "CLS_H_ULP", "CLS_H_INVALID_2", "CLS_AB_LP",
1690 	"CLS_AB_LOHIFI",
1691 };
1692 
1693 static const char * const rx_hph_mode_mux_text[] = {
1694 	"CLS_H_INVALID", "CLS_H_HIFI", "CLS_H_LP", "CLS_AB", "CLS_H_LOHIFI",
1695 	"CLS_H_ULP", "CLS_AB_HIFI", "CLS_AB_LP", "CLS_AB_LOHIFI",
1696 };
1697 
1698 static const char * const adc2_mux_text[] = {
1699 	"INP2", "INP3"
1700 };
1701 
1702 static const char * const adc3_mux_text[] = {
1703 	"INP4", "INP6"
1704 };
1705 
1706 static const char * const adc4_mux_text[] = {
1707 	"INP5", "INP7"
1708 };
1709 
1710 static const char * const rdac3_mux_text[] = {
1711 	"RX1", "RX3"
1712 };
1713 
1714 static const char * const hdr12_mux_text[] = {
1715 	"NO_HDR12", "HDR12"
1716 };
1717 
1718 static const char * const hdr34_mux_text[] = {
1719 	"NO_HDR34", "HDR34"
1720 };
1721 
1722 static const struct soc_enum tx0_mode_enum_wcd9380 =
1723 	SOC_ENUM_SINGLE(SND_SOC_NOPM, 0, ARRAY_SIZE(tx_mode_mux_text_wcd9380),
1724 			tx_mode_mux_text_wcd9380);
1725 
1726 static const struct soc_enum tx1_mode_enum_wcd9380 =
1727 	SOC_ENUM_SINGLE(SND_SOC_NOPM, 1, ARRAY_SIZE(tx_mode_mux_text_wcd9380),
1728 			tx_mode_mux_text_wcd9380);
1729 
1730 static const struct soc_enum tx2_mode_enum_wcd9380 =
1731 	SOC_ENUM_SINGLE(SND_SOC_NOPM, 2, ARRAY_SIZE(tx_mode_mux_text_wcd9380),
1732 			tx_mode_mux_text_wcd9380);
1733 
1734 static const struct soc_enum tx3_mode_enum_wcd9380 =
1735 	SOC_ENUM_SINGLE(SND_SOC_NOPM, 3, ARRAY_SIZE(tx_mode_mux_text_wcd9380),
1736 			tx_mode_mux_text_wcd9380);
1737 
1738 static const struct soc_enum tx0_mode_enum_wcd9385 =
1739 	SOC_ENUM_SINGLE(SND_SOC_NOPM, 0, ARRAY_SIZE(tx_mode_mux_text),
1740 			tx_mode_mux_text);
1741 
1742 static const struct soc_enum tx1_mode_enum_wcd9385 =
1743 	SOC_ENUM_SINGLE(SND_SOC_NOPM, 1, ARRAY_SIZE(tx_mode_mux_text),
1744 			tx_mode_mux_text);
1745 
1746 static const struct soc_enum tx2_mode_enum_wcd9385 =
1747 	SOC_ENUM_SINGLE(SND_SOC_NOPM, 2, ARRAY_SIZE(tx_mode_mux_text),
1748 			tx_mode_mux_text);
1749 
1750 static const struct soc_enum tx3_mode_enum_wcd9385 =
1751 	SOC_ENUM_SINGLE(SND_SOC_NOPM, 3, ARRAY_SIZE(tx_mode_mux_text),
1752 			tx_mode_mux_text);
1753 
1754 static const struct soc_enum rx_hph_mode_mux_enum_wcd9380 =
1755 		SOC_ENUM_SINGLE_EXT(ARRAY_SIZE(rx_hph_mode_mux_text_wcd9380),
1756 				    rx_hph_mode_mux_text_wcd9380);
1757 
1758 static const struct soc_enum rx_hph_mode_mux_enum =
1759 		SOC_ENUM_SINGLE_EXT(ARRAY_SIZE(rx_hph_mode_mux_text),
1760 				    rx_hph_mode_mux_text);
1761 
1762 static const struct soc_enum adc2_enum =
1763 		SOC_ENUM_SINGLE(WCD938X_TX_NEW_AMIC_MUX_CFG, 7,
1764 				ARRAY_SIZE(adc2_mux_text), adc2_mux_text);
1765 
1766 static const struct soc_enum adc3_enum =
1767 		SOC_ENUM_SINGLE(WCD938X_TX_NEW_AMIC_MUX_CFG, 6,
1768 				ARRAY_SIZE(adc3_mux_text), adc3_mux_text);
1769 
1770 static const struct soc_enum adc4_enum =
1771 		SOC_ENUM_SINGLE(WCD938X_TX_NEW_AMIC_MUX_CFG, 5,
1772 				ARRAY_SIZE(adc4_mux_text), adc4_mux_text);
1773 
1774 static const struct soc_enum hdr12_enum =
1775 		SOC_ENUM_SINGLE(WCD938X_TX_NEW_AMIC_MUX_CFG, 4,
1776 				ARRAY_SIZE(hdr12_mux_text), hdr12_mux_text);
1777 
1778 static const struct soc_enum hdr34_enum =
1779 		SOC_ENUM_SINGLE(WCD938X_TX_NEW_AMIC_MUX_CFG, 3,
1780 				ARRAY_SIZE(hdr34_mux_text), hdr34_mux_text);
1781 
1782 static const struct soc_enum rdac3_enum =
1783 		SOC_ENUM_SINGLE(WCD938X_DIGITAL_CDC_EAR_PATH_CTL, 0,
1784 				ARRAY_SIZE(rdac3_mux_text), rdac3_mux_text);
1785 
1786 static const struct snd_kcontrol_new adc1_switch[] = {
1787 	SOC_DAPM_SINGLE("Switch", SND_SOC_NOPM, 0, 1, 0)
1788 };
1789 
1790 static const struct snd_kcontrol_new adc2_switch[] = {
1791 	SOC_DAPM_SINGLE("Switch", SND_SOC_NOPM, 0, 1, 0)
1792 };
1793 
1794 static const struct snd_kcontrol_new adc3_switch[] = {
1795 	SOC_DAPM_SINGLE("Switch", SND_SOC_NOPM, 0, 1, 0)
1796 };
1797 
1798 static const struct snd_kcontrol_new adc4_switch[] = {
1799 	SOC_DAPM_SINGLE("Switch", SND_SOC_NOPM, 0, 1, 0)
1800 };
1801 
1802 static const struct snd_kcontrol_new dmic1_switch[] = {
1803 	SOC_DAPM_SINGLE("Switch", SND_SOC_NOPM, 0, 1, 0)
1804 };
1805 
1806 static const struct snd_kcontrol_new dmic2_switch[] = {
1807 	SOC_DAPM_SINGLE("Switch", SND_SOC_NOPM, 0, 1, 0)
1808 };
1809 
1810 static const struct snd_kcontrol_new dmic3_switch[] = {
1811 	SOC_DAPM_SINGLE("Switch", SND_SOC_NOPM, 0, 1, 0)
1812 };
1813 
1814 static const struct snd_kcontrol_new dmic4_switch[] = {
1815 	SOC_DAPM_SINGLE("Switch", SND_SOC_NOPM, 0, 1, 0)
1816 };
1817 
1818 static const struct snd_kcontrol_new dmic5_switch[] = {
1819 	SOC_DAPM_SINGLE("Switch", SND_SOC_NOPM, 0, 1, 0)
1820 };
1821 
1822 static const struct snd_kcontrol_new dmic6_switch[] = {
1823 	SOC_DAPM_SINGLE("Switch", SND_SOC_NOPM, 0, 1, 0)
1824 };
1825 
1826 static const struct snd_kcontrol_new dmic7_switch[] = {
1827 	SOC_DAPM_SINGLE("Switch", SND_SOC_NOPM, 0, 1, 0)
1828 };
1829 
1830 static const struct snd_kcontrol_new dmic8_switch[] = {
1831 	SOC_DAPM_SINGLE("Switch", SND_SOC_NOPM, 0, 1, 0)
1832 };
1833 
1834 static const struct snd_kcontrol_new ear_rdac_switch[] = {
1835 	SOC_DAPM_SINGLE("Switch", SND_SOC_NOPM, 0, 1, 0)
1836 };
1837 
1838 static const struct snd_kcontrol_new aux_rdac_switch[] = {
1839 	SOC_DAPM_SINGLE("Switch", SND_SOC_NOPM, 0, 1, 0)
1840 };
1841 
1842 static const struct snd_kcontrol_new hphl_rdac_switch[] = {
1843 	SOC_DAPM_SINGLE("Switch", SND_SOC_NOPM, 0, 1, 0)
1844 };
1845 
1846 static const struct snd_kcontrol_new hphr_rdac_switch[] = {
1847 	SOC_DAPM_SINGLE("Switch", SND_SOC_NOPM, 0, 1, 0)
1848 };
1849 
1850 static const struct snd_kcontrol_new tx_adc2_mux =
1851 	SOC_DAPM_ENUM("ADC2 MUX Mux", adc2_enum);
1852 
1853 static const struct snd_kcontrol_new tx_adc3_mux =
1854 	SOC_DAPM_ENUM("ADC3 MUX Mux", adc3_enum);
1855 
1856 static const struct snd_kcontrol_new tx_adc4_mux =
1857 	SOC_DAPM_ENUM("ADC4 MUX Mux", adc4_enum);
1858 
1859 static const struct snd_kcontrol_new tx_hdr12_mux =
1860 	SOC_DAPM_ENUM("HDR12 MUX Mux", hdr12_enum);
1861 
1862 static const struct snd_kcontrol_new tx_hdr34_mux =
1863 	SOC_DAPM_ENUM("HDR34 MUX Mux", hdr34_enum);
1864 
1865 static const struct snd_kcontrol_new rx_rdac3_mux =
1866 	SOC_DAPM_ENUM("RDAC3_MUX Mux", rdac3_enum);
1867 
1868 static const struct snd_kcontrol_new wcd9380_snd_controls[] = {
1869 	SOC_ENUM_EXT("RX HPH Mode", rx_hph_mode_mux_enum_wcd9380,
1870 		     wcd938x_rx_hph_mode_get, wcd938x_rx_hph_mode_put),
1871 	SOC_ENUM_EXT("TX0 MODE", tx0_mode_enum_wcd9380,
1872 		     wcd938x_tx_mode_get, wcd938x_tx_mode_put),
1873 	SOC_ENUM_EXT("TX1 MODE", tx1_mode_enum_wcd9380,
1874 		     wcd938x_tx_mode_get, wcd938x_tx_mode_put),
1875 	SOC_ENUM_EXT("TX2 MODE", tx2_mode_enum_wcd9380,
1876 		     wcd938x_tx_mode_get, wcd938x_tx_mode_put),
1877 	SOC_ENUM_EXT("TX3 MODE", tx3_mode_enum_wcd9380,
1878 		     wcd938x_tx_mode_get, wcd938x_tx_mode_put),
1879 };
1880 
1881 static const struct snd_kcontrol_new wcd9385_snd_controls[] = {
1882 	SOC_ENUM_EXT("RX HPH Mode", rx_hph_mode_mux_enum,
1883 		     wcd938x_rx_hph_mode_get, wcd938x_rx_hph_mode_put),
1884 	SOC_ENUM_EXT("TX0 MODE", tx0_mode_enum_wcd9385,
1885 		     wcd938x_tx_mode_get, wcd938x_tx_mode_put),
1886 	SOC_ENUM_EXT("TX1 MODE", tx1_mode_enum_wcd9385,
1887 		     wcd938x_tx_mode_get, wcd938x_tx_mode_put),
1888 	SOC_ENUM_EXT("TX2 MODE", tx2_mode_enum_wcd9385,
1889 		     wcd938x_tx_mode_get, wcd938x_tx_mode_put),
1890 	SOC_ENUM_EXT("TX3 MODE", tx3_mode_enum_wcd9385,
1891 		     wcd938x_tx_mode_get, wcd938x_tx_mode_put),
1892 };
1893 
wcd938x_get_swr_port(struct snd_kcontrol * kcontrol,struct snd_ctl_elem_value * ucontrol)1894 static int wcd938x_get_swr_port(struct snd_kcontrol *kcontrol,
1895 			    struct snd_ctl_elem_value *ucontrol)
1896 {
1897 	struct snd_soc_component *comp = snd_soc_kcontrol_component(kcontrol);
1898 	struct wcd938x_priv *wcd938x = snd_soc_component_get_drvdata(comp);
1899 	struct wcd938x_sdw_priv *wcd;
1900 	struct soc_mixer_control *mixer = (struct soc_mixer_control *)kcontrol->private_value;
1901 	int dai_id = mixer->shift;
1902 	int portidx, ch_idx = mixer->reg;
1903 
1904 
1905 	wcd = wcd938x->sdw_priv[dai_id];
1906 	portidx = wcd->ch_info[ch_idx].port_num;
1907 
1908 	ucontrol->value.integer.value[0] = wcd->port_enable[portidx];
1909 
1910 	return 0;
1911 }
1912 
wcd938x_set_swr_port(struct snd_kcontrol * kcontrol,struct snd_ctl_elem_value * ucontrol)1913 static int wcd938x_set_swr_port(struct snd_kcontrol *kcontrol,
1914 			    struct snd_ctl_elem_value *ucontrol)
1915 {
1916 	struct snd_soc_component *comp = snd_soc_kcontrol_component(kcontrol);
1917 	struct wcd938x_priv *wcd938x = snd_soc_component_get_drvdata(comp);
1918 	struct wcd938x_sdw_priv *wcd;
1919 	struct soc_mixer_control *mixer =
1920 		(struct soc_mixer_control *)kcontrol->private_value;
1921 	int ch_idx = mixer->reg;
1922 	int portidx;
1923 	int dai_id = mixer->shift;
1924 	bool enable;
1925 
1926 	wcd = wcd938x->sdw_priv[dai_id];
1927 
1928 	portidx = wcd->ch_info[ch_idx].port_num;
1929 	if (ucontrol->value.integer.value[0])
1930 		enable = true;
1931 	else
1932 		enable = false;
1933 
1934 	wcd->port_enable[portidx] = enable;
1935 
1936 	wcd938x_connect_port(wcd, portidx, ch_idx, enable);
1937 
1938 	return 1;
1939 
1940 }
1941 
1942 /* MBHC related */
wcd938x_mbhc_clk_setup(struct snd_soc_component * component,bool enable)1943 static void wcd938x_mbhc_clk_setup(struct snd_soc_component *component,
1944 				   bool enable)
1945 {
1946 	snd_soc_component_write_field(component, WCD938X_MBHC_NEW_CTL_1,
1947 				      WCD938X_MBHC_CTL_RCO_EN_MASK, enable);
1948 }
1949 
wcd938x_mbhc_mbhc_bias_control(struct snd_soc_component * component,bool enable)1950 static void wcd938x_mbhc_mbhc_bias_control(struct snd_soc_component *component,
1951 					   bool enable)
1952 {
1953 	snd_soc_component_write_field(component, WCD938X_ANA_MBHC_ELECT,
1954 				      WCD938X_ANA_MBHC_BIAS_EN, enable);
1955 }
1956 
wcd938x_mbhc_program_btn_thr(struct snd_soc_component * component,int * btn_low,int * btn_high,int num_btn,bool is_micbias)1957 static void wcd938x_mbhc_program_btn_thr(struct snd_soc_component *component,
1958 					 int *btn_low, int *btn_high,
1959 					 int num_btn, bool is_micbias)
1960 {
1961 	int i, vth;
1962 
1963 	if (num_btn > WCD_MBHC_DEF_BUTTONS) {
1964 		dev_err(component->dev, "%s: invalid number of buttons: %d\n",
1965 			__func__, num_btn);
1966 		return;
1967 	}
1968 
1969 	for (i = 0; i < num_btn; i++) {
1970 		vth = ((btn_high[i] * 2) / 25) & 0x3F;
1971 		snd_soc_component_write_field(component, WCD938X_ANA_MBHC_BTN0 + i,
1972 					   WCD938X_MBHC_BTN_VTH_MASK, vth);
1973 		dev_dbg(component->dev, "%s: btn_high[%d]: %d, vth: %d\n",
1974 			__func__, i, btn_high[i], vth);
1975 	}
1976 }
1977 
wcd938x_mbhc_micb_en_status(struct snd_soc_component * component,int micb_num)1978 static bool wcd938x_mbhc_micb_en_status(struct snd_soc_component *component, int micb_num)
1979 {
1980 	u8 val;
1981 
1982 	if (micb_num == MIC_BIAS_2) {
1983 		val = snd_soc_component_read_field(component,
1984 						   WCD938X_ANA_MICB2,
1985 						   WCD938X_ANA_MICB2_ENABLE_MASK);
1986 		if (val == WCD938X_MICB_ENABLE)
1987 			return true;
1988 	}
1989 	return false;
1990 }
1991 
wcd938x_mbhc_hph_l_pull_up_control(struct snd_soc_component * component,int pull_up_cur)1992 static void wcd938x_mbhc_hph_l_pull_up_control(struct snd_soc_component *component,
1993 							int pull_up_cur)
1994 {
1995 	/* Default pull up current to 2uA */
1996 	if (pull_up_cur > HS_PULLUP_I_OFF || pull_up_cur < HS_PULLUP_I_3P0_UA)
1997 		pull_up_cur = HS_PULLUP_I_2P0_UA;
1998 
1999 	snd_soc_component_write_field(component,
2000 				      WCD938X_MBHC_NEW_INT_MECH_DET_CURRENT,
2001 				      WCD938X_HSDET_PULLUP_C_MASK, pull_up_cur);
2002 }
2003 
wcd938x_mbhc_request_micbias(struct snd_soc_component * component,int micb_num,int req)2004 static int wcd938x_mbhc_request_micbias(struct snd_soc_component *component,
2005 					int micb_num, int req)
2006 {
2007 	return wcd938x_micbias_control(component, micb_num, req, false);
2008 }
2009 
wcd938x_mbhc_micb_ramp_control(struct snd_soc_component * component,bool enable)2010 static void wcd938x_mbhc_micb_ramp_control(struct snd_soc_component *component,
2011 					   bool enable)
2012 {
2013 	if (enable) {
2014 		snd_soc_component_write_field(component, WCD938X_ANA_MICB2_RAMP,
2015 				    WCD938X_RAMP_SHIFT_CTRL_MASK, 0x0C);
2016 		snd_soc_component_write_field(component, WCD938X_ANA_MICB2_RAMP,
2017 				    WCD938X_RAMP_EN_MASK, 1);
2018 	} else {
2019 		snd_soc_component_write_field(component, WCD938X_ANA_MICB2_RAMP,
2020 				    WCD938X_RAMP_EN_MASK, 0);
2021 		snd_soc_component_write_field(component, WCD938X_ANA_MICB2_RAMP,
2022 				    WCD938X_RAMP_SHIFT_CTRL_MASK, 0);
2023 	}
2024 }
2025 
wcd938x_get_micb_vout_ctl_val(u32 micb_mv)2026 static int wcd938x_get_micb_vout_ctl_val(u32 micb_mv)
2027 {
2028 	/* min micbias voltage is 1V and maximum is 2.85V */
2029 	if (micb_mv < 1000 || micb_mv > 2850)
2030 		return -EINVAL;
2031 
2032 	return (micb_mv - 1000) / 50;
2033 }
2034 
wcd938x_mbhc_micb_adjust_voltage(struct snd_soc_component * component,int req_volt,int micb_num)2035 static int wcd938x_mbhc_micb_adjust_voltage(struct snd_soc_component *component,
2036 					    int req_volt, int micb_num)
2037 {
2038 	struct wcd938x_priv *wcd938x =  snd_soc_component_get_drvdata(component);
2039 	int cur_vout_ctl, req_vout_ctl, micb_reg, micb_en, ret = 0;
2040 
2041 	switch (micb_num) {
2042 	case MIC_BIAS_1:
2043 		micb_reg = WCD938X_ANA_MICB1;
2044 		break;
2045 	case MIC_BIAS_2:
2046 		micb_reg = WCD938X_ANA_MICB2;
2047 		break;
2048 	case MIC_BIAS_3:
2049 		micb_reg = WCD938X_ANA_MICB3;
2050 		break;
2051 	case MIC_BIAS_4:
2052 		micb_reg = WCD938X_ANA_MICB4;
2053 		break;
2054 	default:
2055 		return -EINVAL;
2056 	}
2057 	mutex_lock(&wcd938x->micb_lock);
2058 	/*
2059 	 * If requested micbias voltage is same as current micbias
2060 	 * voltage, then just return. Otherwise, adjust voltage as
2061 	 * per requested value. If micbias is already enabled, then
2062 	 * to avoid slow micbias ramp-up or down enable pull-up
2063 	 * momentarily, change the micbias value and then re-enable
2064 	 * micbias.
2065 	 */
2066 	micb_en = snd_soc_component_read_field(component, micb_reg,
2067 						WCD938X_MICB_EN_MASK);
2068 	cur_vout_ctl = snd_soc_component_read_field(component, micb_reg,
2069 						    WCD938X_MICB_VOUT_MASK);
2070 
2071 	req_vout_ctl = wcd938x_get_micb_vout_ctl_val(req_volt);
2072 	if (req_vout_ctl < 0) {
2073 		ret = -EINVAL;
2074 		goto exit;
2075 	}
2076 
2077 	if (cur_vout_ctl == req_vout_ctl) {
2078 		ret = 0;
2079 		goto exit;
2080 	}
2081 
2082 	if (micb_en == WCD938X_MICB_ENABLE)
2083 		snd_soc_component_write_field(component, micb_reg,
2084 					      WCD938X_MICB_EN_MASK,
2085 					      WCD938X_MICB_PULL_UP);
2086 
2087 	snd_soc_component_write_field(component, micb_reg,
2088 				      WCD938X_MICB_VOUT_MASK,
2089 				      req_vout_ctl);
2090 
2091 	if (micb_en == WCD938X_MICB_ENABLE) {
2092 		snd_soc_component_write_field(component, micb_reg,
2093 					      WCD938X_MICB_EN_MASK,
2094 					      WCD938X_MICB_ENABLE);
2095 		/*
2096 		 * Add 2ms delay as per HW requirement after enabling
2097 		 * micbias
2098 		 */
2099 		usleep_range(2000, 2100);
2100 	}
2101 exit:
2102 	mutex_unlock(&wcd938x->micb_lock);
2103 	return ret;
2104 }
2105 
wcd938x_mbhc_micb_ctrl_threshold_mic(struct snd_soc_component * component,int micb_num,bool req_en)2106 static int wcd938x_mbhc_micb_ctrl_threshold_mic(struct snd_soc_component *component,
2107 						int micb_num, bool req_en)
2108 {
2109 	struct wcd938x_priv *wcd938x = snd_soc_component_get_drvdata(component);
2110 	int micb_mv;
2111 
2112 	if (micb_num != MIC_BIAS_2)
2113 		return -EINVAL;
2114 	/*
2115 	 * If device tree micbias level is already above the minimum
2116 	 * voltage needed to detect threshold microphone, then do
2117 	 * not change the micbias, just return.
2118 	 */
2119 	if (wcd938x->micb2_mv >= WCD_MBHC_THR_HS_MICB_MV)
2120 		return 0;
2121 
2122 	micb_mv = req_en ? WCD_MBHC_THR_HS_MICB_MV : wcd938x->micb2_mv;
2123 
2124 	return wcd938x_mbhc_micb_adjust_voltage(component, micb_mv, MIC_BIAS_2);
2125 }
2126 
wcd938x_mbhc_get_result_params(struct snd_soc_component * component,s16 * d1_a,u16 noff,int32_t * zdet)2127 static void wcd938x_mbhc_get_result_params(struct snd_soc_component *component,
2128 						s16 *d1_a, u16 noff,
2129 						int32_t *zdet)
2130 {
2131 	struct wcd938x_priv *wcd938x = snd_soc_component_get_drvdata(component);
2132 	int i;
2133 	int val, val1;
2134 	s16 c1;
2135 	s32 x1, d1;
2136 	int32_t denom;
2137 	static const int minCode_param[] = {
2138 		3277, 1639, 820, 410, 205, 103, 52, 26
2139 	};
2140 
2141 	regmap_update_bits(wcd938x->regmap, WCD938X_ANA_MBHC_ZDET, 0x20, 0x20);
2142 	for (i = 0; i < WCD938X_ZDET_NUM_MEASUREMENTS; i++) {
2143 		regmap_read(wcd938x->regmap, WCD938X_ANA_MBHC_RESULT_2, &val);
2144 		if (val & 0x80)
2145 			break;
2146 	}
2147 	val = val << 0x8;
2148 	regmap_read(wcd938x->regmap, WCD938X_ANA_MBHC_RESULT_1, &val1);
2149 	val |= val1;
2150 	regmap_update_bits(wcd938x->regmap, WCD938X_ANA_MBHC_ZDET, 0x20, 0x00);
2151 	x1 = WCD938X_MBHC_GET_X1(val);
2152 	c1 = WCD938X_MBHC_GET_C1(val);
2153 	/* If ramp is not complete, give additional 5ms */
2154 	if ((c1 < 2) && x1)
2155 		usleep_range(5000, 5050);
2156 
2157 	if (!c1 || !x1) {
2158 		dev_err(component->dev, "Impedance detect ramp error, c1=%d, x1=0x%x\n",
2159 			c1, x1);
2160 		goto ramp_down;
2161 	}
2162 	d1 = d1_a[c1];
2163 	denom = (x1 * d1) - (1 << (14 - noff));
2164 	if (denom > 0)
2165 		*zdet = (WCD938X_MBHC_ZDET_CONST * 1000) / denom;
2166 	else if (x1 < minCode_param[noff])
2167 		*zdet = WCD938X_ZDET_FLOATING_IMPEDANCE;
2168 
2169 	dev_dbg(component->dev, "%s: d1=%d, c1=%d, x1=0x%x, z_val=%d (milliohm)\n",
2170 		__func__, d1, c1, x1, *zdet);
2171 ramp_down:
2172 	i = 0;
2173 	while (x1) {
2174 		regmap_read(wcd938x->regmap,
2175 				 WCD938X_ANA_MBHC_RESULT_1, &val);
2176 		regmap_read(wcd938x->regmap,
2177 				 WCD938X_ANA_MBHC_RESULT_2, &val1);
2178 		val = val << 0x08;
2179 		val |= val1;
2180 		x1 = WCD938X_MBHC_GET_X1(val);
2181 		i++;
2182 		if (i == WCD938X_ZDET_NUM_MEASUREMENTS)
2183 			break;
2184 	}
2185 }
2186 
wcd938x_mbhc_zdet_ramp(struct snd_soc_component * component,struct wcd938x_mbhc_zdet_param * zdet_param,int32_t * zl,int32_t * zr,s16 * d1_a)2187 static void wcd938x_mbhc_zdet_ramp(struct snd_soc_component *component,
2188 				 struct wcd938x_mbhc_zdet_param *zdet_param,
2189 				 int32_t *zl, int32_t *zr, s16 *d1_a)
2190 {
2191 	struct wcd938x_priv *wcd938x = snd_soc_component_get_drvdata(component);
2192 	int32_t zdet = 0;
2193 
2194 	snd_soc_component_write_field(component, WCD938X_MBHC_NEW_ZDET_ANA_CTL,
2195 				WCD938X_ZDET_MAXV_CTL_MASK, zdet_param->ldo_ctl);
2196 	snd_soc_component_update_bits(component, WCD938X_ANA_MBHC_BTN5,
2197 				    WCD938X_VTH_MASK, zdet_param->btn5);
2198 	snd_soc_component_update_bits(component, WCD938X_ANA_MBHC_BTN6,
2199 				      WCD938X_VTH_MASK, zdet_param->btn6);
2200 	snd_soc_component_update_bits(component, WCD938X_ANA_MBHC_BTN7,
2201 				     WCD938X_VTH_MASK, zdet_param->btn7);
2202 	snd_soc_component_write_field(component, WCD938X_MBHC_NEW_ZDET_ANA_CTL,
2203 				WCD938X_ZDET_RANGE_CTL_MASK, zdet_param->noff);
2204 	snd_soc_component_update_bits(component, WCD938X_MBHC_NEW_ZDET_RAMP_CTL,
2205 				0x0F, zdet_param->nshift);
2206 
2207 	if (!zl)
2208 		goto z_right;
2209 	/* Start impedance measurement for HPH_L */
2210 	regmap_update_bits(wcd938x->regmap,
2211 			   WCD938X_ANA_MBHC_ZDET, 0x80, 0x80);
2212 	dev_dbg(component->dev, "%s: ramp for HPH_L, noff = %d\n",
2213 		__func__, zdet_param->noff);
2214 	wcd938x_mbhc_get_result_params(component, d1_a, zdet_param->noff, &zdet);
2215 	regmap_update_bits(wcd938x->regmap,
2216 			   WCD938X_ANA_MBHC_ZDET, 0x80, 0x00);
2217 
2218 	*zl = zdet;
2219 
2220 z_right:
2221 	if (!zr)
2222 		return;
2223 	/* Start impedance measurement for HPH_R */
2224 	regmap_update_bits(wcd938x->regmap,
2225 			   WCD938X_ANA_MBHC_ZDET, 0x40, 0x40);
2226 	dev_dbg(component->dev, "%s: ramp for HPH_R, noff = %d\n",
2227 		__func__, zdet_param->noff);
2228 	wcd938x_mbhc_get_result_params(component, d1_a, zdet_param->noff, &zdet);
2229 	regmap_update_bits(wcd938x->regmap,
2230 			   WCD938X_ANA_MBHC_ZDET, 0x40, 0x00);
2231 
2232 	*zr = zdet;
2233 }
2234 
wcd938x_wcd_mbhc_qfuse_cal(struct snd_soc_component * component,int32_t * z_val,int flag_l_r)2235 static void wcd938x_wcd_mbhc_qfuse_cal(struct snd_soc_component *component,
2236 					int32_t *z_val, int flag_l_r)
2237 {
2238 	s16 q1;
2239 	int q1_cal;
2240 
2241 	if (*z_val < (WCD938X_ZDET_VAL_400/1000))
2242 		q1 = snd_soc_component_read(component,
2243 			WCD938X_DIGITAL_EFUSE_REG_23 + (2 * flag_l_r));
2244 	else
2245 		q1 = snd_soc_component_read(component,
2246 			WCD938X_DIGITAL_EFUSE_REG_24 + (2 * flag_l_r));
2247 	if (q1 & 0x80)
2248 		q1_cal = (10000 - ((q1 & 0x7F) * 25));
2249 	else
2250 		q1_cal = (10000 + (q1 * 25));
2251 	if (q1_cal > 0)
2252 		*z_val = ((*z_val) * 10000) / q1_cal;
2253 }
2254 
wcd938x_wcd_mbhc_calc_impedance(struct snd_soc_component * component,uint32_t * zl,uint32_t * zr)2255 static void wcd938x_wcd_mbhc_calc_impedance(struct snd_soc_component *component,
2256 					    uint32_t *zl, uint32_t *zr)
2257 {
2258 	struct wcd938x_priv *wcd938x = snd_soc_component_get_drvdata(component);
2259 	s16 reg0, reg1, reg2, reg3, reg4;
2260 	int32_t z1L, z1R, z1Ls;
2261 	int zMono, z_diff1, z_diff2;
2262 	bool is_fsm_disable = false;
2263 	struct wcd938x_mbhc_zdet_param zdet_param[] = {
2264 		{4, 0, 4, 0x08, 0x14, 0x18}, /* < 32ohm */
2265 		{2, 0, 3, 0x18, 0x7C, 0x90}, /* 32ohm < Z < 400ohm */
2266 		{1, 4, 5, 0x18, 0x7C, 0x90}, /* 400ohm < Z < 1200ohm */
2267 		{1, 6, 7, 0x18, 0x7C, 0x90}, /* >1200ohm */
2268 	};
2269 	struct wcd938x_mbhc_zdet_param *zdet_param_ptr = NULL;
2270 	s16 d1_a[][4] = {
2271 		{0, 30, 90, 30},
2272 		{0, 30, 30, 5},
2273 		{0, 30, 30, 5},
2274 		{0, 30, 30, 5},
2275 	};
2276 	s16 *d1 = NULL;
2277 
2278 	reg0 = snd_soc_component_read(component, WCD938X_ANA_MBHC_BTN5);
2279 	reg1 = snd_soc_component_read(component, WCD938X_ANA_MBHC_BTN6);
2280 	reg2 = snd_soc_component_read(component, WCD938X_ANA_MBHC_BTN7);
2281 	reg3 = snd_soc_component_read(component, WCD938X_MBHC_CTL_CLK);
2282 	reg4 = snd_soc_component_read(component, WCD938X_MBHC_NEW_ZDET_ANA_CTL);
2283 
2284 	if (snd_soc_component_read(component, WCD938X_ANA_MBHC_ELECT) & 0x80) {
2285 		is_fsm_disable = true;
2286 		regmap_update_bits(wcd938x->regmap,
2287 				   WCD938X_ANA_MBHC_ELECT, 0x80, 0x00);
2288 	}
2289 
2290 	/* For NO-jack, disable L_DET_EN before Z-det measurements */
2291 	if (wcd938x->mbhc_cfg.hphl_swh)
2292 		regmap_update_bits(wcd938x->regmap,
2293 				   WCD938X_ANA_MBHC_MECH, 0x80, 0x00);
2294 
2295 	/* Turn off 100k pull down on HPHL */
2296 	regmap_update_bits(wcd938x->regmap,
2297 			   WCD938X_ANA_MBHC_MECH, 0x01, 0x00);
2298 
2299 	/* Disable surge protection before impedance detection.
2300 	 * This is done to give correct value for high impedance.
2301 	 */
2302 	regmap_update_bits(wcd938x->regmap,
2303 			   WCD938X_HPH_SURGE_HPHLR_SURGE_EN, 0xC0, 0x00);
2304 	/* 1ms delay needed after disable surge protection */
2305 	usleep_range(1000, 1010);
2306 
2307 	/* First get impedance on Left */
2308 	d1 = d1_a[1];
2309 	zdet_param_ptr = &zdet_param[1];
2310 	wcd938x_mbhc_zdet_ramp(component, zdet_param_ptr, &z1L, NULL, d1);
2311 
2312 	if (!WCD938X_MBHC_IS_SECOND_RAMP_REQUIRED(z1L))
2313 		goto left_ch_impedance;
2314 
2315 	/* Second ramp for left ch */
2316 	if (z1L < WCD938X_ZDET_VAL_32) {
2317 		zdet_param_ptr = &zdet_param[0];
2318 		d1 = d1_a[0];
2319 	} else if ((z1L > WCD938X_ZDET_VAL_400) &&
2320 		  (z1L <= WCD938X_ZDET_VAL_1200)) {
2321 		zdet_param_ptr = &zdet_param[2];
2322 		d1 = d1_a[2];
2323 	} else if (z1L > WCD938X_ZDET_VAL_1200) {
2324 		zdet_param_ptr = &zdet_param[3];
2325 		d1 = d1_a[3];
2326 	}
2327 	wcd938x_mbhc_zdet_ramp(component, zdet_param_ptr, &z1L, NULL, d1);
2328 
2329 left_ch_impedance:
2330 	if ((z1L == WCD938X_ZDET_FLOATING_IMPEDANCE) ||
2331 		(z1L > WCD938X_ZDET_VAL_100K)) {
2332 		*zl = WCD938X_ZDET_FLOATING_IMPEDANCE;
2333 		zdet_param_ptr = &zdet_param[1];
2334 		d1 = d1_a[1];
2335 	} else {
2336 		*zl = z1L/1000;
2337 		wcd938x_wcd_mbhc_qfuse_cal(component, zl, 0);
2338 	}
2339 	dev_dbg(component->dev, "%s: impedance on HPH_L = %d(ohms)\n",
2340 		__func__, *zl);
2341 
2342 	/* Start of right impedance ramp and calculation */
2343 	wcd938x_mbhc_zdet_ramp(component, zdet_param_ptr, NULL, &z1R, d1);
2344 	if (WCD938X_MBHC_IS_SECOND_RAMP_REQUIRED(z1R)) {
2345 		if (((z1R > WCD938X_ZDET_VAL_1200) &&
2346 			(zdet_param_ptr->noff == 0x6)) ||
2347 			((*zl) != WCD938X_ZDET_FLOATING_IMPEDANCE))
2348 			goto right_ch_impedance;
2349 		/* Second ramp for right ch */
2350 		if (z1R < WCD938X_ZDET_VAL_32) {
2351 			zdet_param_ptr = &zdet_param[0];
2352 			d1 = d1_a[0];
2353 		} else if ((z1R > WCD938X_ZDET_VAL_400) &&
2354 			(z1R <= WCD938X_ZDET_VAL_1200)) {
2355 			zdet_param_ptr = &zdet_param[2];
2356 			d1 = d1_a[2];
2357 		} else if (z1R > WCD938X_ZDET_VAL_1200) {
2358 			zdet_param_ptr = &zdet_param[3];
2359 			d1 = d1_a[3];
2360 		}
2361 		wcd938x_mbhc_zdet_ramp(component, zdet_param_ptr, NULL, &z1R, d1);
2362 	}
2363 right_ch_impedance:
2364 	if ((z1R == WCD938X_ZDET_FLOATING_IMPEDANCE) ||
2365 		(z1R > WCD938X_ZDET_VAL_100K)) {
2366 		*zr = WCD938X_ZDET_FLOATING_IMPEDANCE;
2367 	} else {
2368 		*zr = z1R/1000;
2369 		wcd938x_wcd_mbhc_qfuse_cal(component, zr, 1);
2370 	}
2371 	dev_dbg(component->dev, "%s: impedance on HPH_R = %d(ohms)\n",
2372 		__func__, *zr);
2373 
2374 	/* Mono/stereo detection */
2375 	if ((*zl == WCD938X_ZDET_FLOATING_IMPEDANCE) &&
2376 		(*zr == WCD938X_ZDET_FLOATING_IMPEDANCE)) {
2377 		dev_dbg(component->dev,
2378 			"%s: plug type is invalid or extension cable\n",
2379 			__func__);
2380 		goto zdet_complete;
2381 	}
2382 	if ((*zl == WCD938X_ZDET_FLOATING_IMPEDANCE) ||
2383 	    (*zr == WCD938X_ZDET_FLOATING_IMPEDANCE) ||
2384 	    ((*zl < WCD_MONO_HS_MIN_THR) && (*zr > WCD_MONO_HS_MIN_THR)) ||
2385 	    ((*zl > WCD_MONO_HS_MIN_THR) && (*zr < WCD_MONO_HS_MIN_THR))) {
2386 		dev_dbg(component->dev,
2387 			"%s: Mono plug type with one ch floating or shorted to GND\n",
2388 			__func__);
2389 		wcd_mbhc_set_hph_type(wcd938x->wcd_mbhc, WCD_MBHC_HPH_MONO);
2390 		goto zdet_complete;
2391 	}
2392 	snd_soc_component_write_field(component, WCD938X_HPH_R_ATEST,
2393 				      WCD938X_HPHPA_GND_OVR_MASK, 1);
2394 	snd_soc_component_write_field(component, WCD938X_HPH_PA_CTL2,
2395 				      WCD938X_HPHPA_GND_R_MASK, 1);
2396 	if (*zl < (WCD938X_ZDET_VAL_32/1000))
2397 		wcd938x_mbhc_zdet_ramp(component, &zdet_param[0], &z1Ls, NULL, d1);
2398 	else
2399 		wcd938x_mbhc_zdet_ramp(component, &zdet_param[1], &z1Ls, NULL, d1);
2400 	snd_soc_component_write_field(component, WCD938X_HPH_PA_CTL2,
2401 				      WCD938X_HPHPA_GND_R_MASK, 0);
2402 	snd_soc_component_write_field(component, WCD938X_HPH_R_ATEST,
2403 				      WCD938X_HPHPA_GND_OVR_MASK, 0);
2404 	z1Ls /= 1000;
2405 	wcd938x_wcd_mbhc_qfuse_cal(component, &z1Ls, 0);
2406 	/* Parallel of left Z and 9 ohm pull down resistor */
2407 	zMono = ((*zl) * 9) / ((*zl) + 9);
2408 	z_diff1 = (z1Ls > zMono) ? (z1Ls - zMono) : (zMono - z1Ls);
2409 	z_diff2 = ((*zl) > z1Ls) ? ((*zl) - z1Ls) : (z1Ls - (*zl));
2410 	if ((z_diff1 * (*zl + z1Ls)) > (z_diff2 * (z1Ls + zMono))) {
2411 		dev_dbg(component->dev, "%s: stereo plug type detected\n",
2412 			__func__);
2413 		wcd_mbhc_set_hph_type(wcd938x->wcd_mbhc, WCD_MBHC_HPH_STEREO);
2414 	} else {
2415 		dev_dbg(component->dev, "%s: MONO plug type detected\n",
2416 			__func__);
2417 		wcd_mbhc_set_hph_type(wcd938x->wcd_mbhc, WCD_MBHC_HPH_MONO);
2418 	}
2419 
2420 	/* Enable surge protection again after impedance detection */
2421 	regmap_update_bits(wcd938x->regmap,
2422 			   WCD938X_HPH_SURGE_HPHLR_SURGE_EN, 0xC0, 0xC0);
2423 zdet_complete:
2424 	snd_soc_component_write(component, WCD938X_ANA_MBHC_BTN5, reg0);
2425 	snd_soc_component_write(component, WCD938X_ANA_MBHC_BTN6, reg1);
2426 	snd_soc_component_write(component, WCD938X_ANA_MBHC_BTN7, reg2);
2427 	/* Turn on 100k pull down on HPHL */
2428 	regmap_update_bits(wcd938x->regmap,
2429 			   WCD938X_ANA_MBHC_MECH, 0x01, 0x01);
2430 
2431 	/* For NO-jack, re-enable L_DET_EN after Z-det measurements */
2432 	if (wcd938x->mbhc_cfg.hphl_swh)
2433 		regmap_update_bits(wcd938x->regmap,
2434 				   WCD938X_ANA_MBHC_MECH, 0x80, 0x80);
2435 
2436 	snd_soc_component_write(component, WCD938X_MBHC_NEW_ZDET_ANA_CTL, reg4);
2437 	snd_soc_component_write(component, WCD938X_MBHC_CTL_CLK, reg3);
2438 	if (is_fsm_disable)
2439 		regmap_update_bits(wcd938x->regmap,
2440 				   WCD938X_ANA_MBHC_ELECT, 0x80, 0x80);
2441 }
2442 
wcd938x_mbhc_gnd_det_ctrl(struct snd_soc_component * component,bool enable)2443 static void wcd938x_mbhc_gnd_det_ctrl(struct snd_soc_component *component,
2444 			bool enable)
2445 {
2446 	if (enable) {
2447 		snd_soc_component_write_field(component, WCD938X_ANA_MBHC_MECH,
2448 					      WCD938X_MBHC_HSG_PULLUP_COMP_EN, 1);
2449 		snd_soc_component_write_field(component, WCD938X_ANA_MBHC_MECH,
2450 					      WCD938X_MBHC_GND_DET_EN_MASK, 1);
2451 	} else {
2452 		snd_soc_component_write_field(component, WCD938X_ANA_MBHC_MECH,
2453 					      WCD938X_MBHC_GND_DET_EN_MASK, 0);
2454 		snd_soc_component_write_field(component, WCD938X_ANA_MBHC_MECH,
2455 					      WCD938X_MBHC_HSG_PULLUP_COMP_EN, 0);
2456 	}
2457 }
2458 
wcd938x_mbhc_hph_pull_down_ctrl(struct snd_soc_component * component,bool enable)2459 static void wcd938x_mbhc_hph_pull_down_ctrl(struct snd_soc_component *component,
2460 					  bool enable)
2461 {
2462 	snd_soc_component_write_field(component, WCD938X_HPH_PA_CTL2,
2463 				      WCD938X_HPHPA_GND_R_MASK, enable);
2464 	snd_soc_component_write_field(component, WCD938X_HPH_PA_CTL2,
2465 				      WCD938X_HPHPA_GND_L_MASK, enable);
2466 }
2467 
wcd938x_mbhc_moisture_config(struct snd_soc_component * component)2468 static void wcd938x_mbhc_moisture_config(struct snd_soc_component *component)
2469 {
2470 	struct wcd938x_priv *wcd938x = snd_soc_component_get_drvdata(component);
2471 
2472 	if (wcd938x->mbhc_cfg.moist_rref == R_OFF) {
2473 		snd_soc_component_write_field(component, WCD938X_MBHC_NEW_CTL_2,
2474 				    WCD938X_M_RTH_CTL_MASK, R_OFF);
2475 		return;
2476 	}
2477 
2478 	/* Do not enable moisture detection if jack type is NC */
2479 	if (!wcd938x->mbhc_cfg.hphl_swh) {
2480 		dev_dbg(component->dev, "%s: disable moisture detection for NC\n",
2481 			__func__);
2482 		snd_soc_component_write_field(component, WCD938X_MBHC_NEW_CTL_2,
2483 				    WCD938X_M_RTH_CTL_MASK, R_OFF);
2484 		return;
2485 	}
2486 
2487 	snd_soc_component_write_field(component, WCD938X_MBHC_NEW_CTL_2,
2488 			    WCD938X_M_RTH_CTL_MASK, wcd938x->mbhc_cfg.moist_rref);
2489 }
2490 
wcd938x_mbhc_moisture_detect_en(struct snd_soc_component * component,bool enable)2491 static void wcd938x_mbhc_moisture_detect_en(struct snd_soc_component *component, bool enable)
2492 {
2493 	struct wcd938x_priv *wcd938x = snd_soc_component_get_drvdata(component);
2494 
2495 	if (enable)
2496 		snd_soc_component_write_field(component, WCD938X_MBHC_NEW_CTL_2,
2497 					WCD938X_M_RTH_CTL_MASK, wcd938x->mbhc_cfg.moist_rref);
2498 	else
2499 		snd_soc_component_write_field(component, WCD938X_MBHC_NEW_CTL_2,
2500 				    WCD938X_M_RTH_CTL_MASK, R_OFF);
2501 }
2502 
wcd938x_mbhc_get_moisture_status(struct snd_soc_component * component)2503 static bool wcd938x_mbhc_get_moisture_status(struct snd_soc_component *component)
2504 {
2505 	struct wcd938x_priv *wcd938x = snd_soc_component_get_drvdata(component);
2506 	bool ret = false;
2507 
2508 	if (wcd938x->mbhc_cfg.moist_rref == R_OFF) {
2509 		snd_soc_component_write_field(component, WCD938X_MBHC_NEW_CTL_2,
2510 				    WCD938X_M_RTH_CTL_MASK, R_OFF);
2511 		goto done;
2512 	}
2513 
2514 	/* Do not enable moisture detection if jack type is NC */
2515 	if (!wcd938x->mbhc_cfg.hphl_swh) {
2516 		dev_dbg(component->dev, "%s: disable moisture detection for NC\n",
2517 			__func__);
2518 		snd_soc_component_write_field(component, WCD938X_MBHC_NEW_CTL_2,
2519 				    WCD938X_M_RTH_CTL_MASK, R_OFF);
2520 		goto done;
2521 	}
2522 
2523 	/*
2524 	 * If moisture_en is already enabled, then skip to plug type
2525 	 * detection.
2526 	 */
2527 	if (snd_soc_component_read_field(component, WCD938X_MBHC_NEW_CTL_2, WCD938X_M_RTH_CTL_MASK))
2528 		goto done;
2529 
2530 	wcd938x_mbhc_moisture_detect_en(component, true);
2531 	/* Read moisture comparator status */
2532 	ret = ((snd_soc_component_read(component, WCD938X_MBHC_NEW_FSM_STATUS)
2533 				& 0x20) ? 0 : 1);
2534 
2535 done:
2536 	return ret;
2537 
2538 }
2539 
wcd938x_mbhc_moisture_polling_ctrl(struct snd_soc_component * component,bool enable)2540 static void wcd938x_mbhc_moisture_polling_ctrl(struct snd_soc_component *component,
2541 						bool enable)
2542 {
2543 	snd_soc_component_write_field(component,
2544 			      WCD938X_MBHC_NEW_INT_MOISTURE_DET_POLLING_CTRL,
2545 			      WCD938X_MOISTURE_EN_POLLING_MASK, enable);
2546 }
2547 
2548 static const struct wcd_mbhc_cb mbhc_cb = {
2549 	.clk_setup = wcd938x_mbhc_clk_setup,
2550 	.mbhc_bias = wcd938x_mbhc_mbhc_bias_control,
2551 	.set_btn_thr = wcd938x_mbhc_program_btn_thr,
2552 	.micbias_enable_status = wcd938x_mbhc_micb_en_status,
2553 	.hph_pull_up_control_v2 = wcd938x_mbhc_hph_l_pull_up_control,
2554 	.mbhc_micbias_control = wcd938x_mbhc_request_micbias,
2555 	.mbhc_micb_ramp_control = wcd938x_mbhc_micb_ramp_control,
2556 	.mbhc_micb_ctrl_thr_mic = wcd938x_mbhc_micb_ctrl_threshold_mic,
2557 	.compute_impedance = wcd938x_wcd_mbhc_calc_impedance,
2558 	.mbhc_gnd_det_ctrl = wcd938x_mbhc_gnd_det_ctrl,
2559 	.hph_pull_down_ctrl = wcd938x_mbhc_hph_pull_down_ctrl,
2560 	.mbhc_moisture_config = wcd938x_mbhc_moisture_config,
2561 	.mbhc_get_moisture_status = wcd938x_mbhc_get_moisture_status,
2562 	.mbhc_moisture_polling_ctrl = wcd938x_mbhc_moisture_polling_ctrl,
2563 	.mbhc_moisture_detect_en = wcd938x_mbhc_moisture_detect_en,
2564 };
2565 
wcd938x_get_hph_type(struct snd_kcontrol * kcontrol,struct snd_ctl_elem_value * ucontrol)2566 static int wcd938x_get_hph_type(struct snd_kcontrol *kcontrol,
2567 			      struct snd_ctl_elem_value *ucontrol)
2568 {
2569 	struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol);
2570 	struct wcd938x_priv *wcd938x = snd_soc_component_get_drvdata(component);
2571 
2572 	ucontrol->value.integer.value[0] = wcd_mbhc_get_hph_type(wcd938x->wcd_mbhc);
2573 
2574 	return 0;
2575 }
2576 
wcd938x_hph_impedance_get(struct snd_kcontrol * kcontrol,struct snd_ctl_elem_value * ucontrol)2577 static int wcd938x_hph_impedance_get(struct snd_kcontrol *kcontrol,
2578 				   struct snd_ctl_elem_value *ucontrol)
2579 {
2580 	uint32_t zl, zr;
2581 	bool hphr;
2582 	struct soc_mixer_control *mc;
2583 	struct snd_soc_component *component =
2584 					snd_soc_kcontrol_component(kcontrol);
2585 	struct wcd938x_priv *wcd938x = snd_soc_component_get_drvdata(component);
2586 
2587 	mc = (struct soc_mixer_control *)(kcontrol->private_value);
2588 	hphr = mc->shift;
2589 	wcd_mbhc_get_impedance(wcd938x->wcd_mbhc, &zl, &zr);
2590 	dev_dbg(component->dev, "%s: zl=%u(ohms), zr=%u(ohms)\n", __func__, zl, zr);
2591 	ucontrol->value.integer.value[0] = hphr ? zr : zl;
2592 
2593 	return 0;
2594 }
2595 
2596 static const struct snd_kcontrol_new hph_type_detect_controls[] = {
2597 	SOC_SINGLE_EXT("HPH Type", 0, 0, WCD_MBHC_HPH_STEREO, 0,
2598 		       wcd938x_get_hph_type, NULL),
2599 };
2600 
2601 static const struct snd_kcontrol_new impedance_detect_controls[] = {
2602 	SOC_SINGLE_EXT("HPHL Impedance", 0, 0, INT_MAX, 0,
2603 		       wcd938x_hph_impedance_get, NULL),
2604 	SOC_SINGLE_EXT("HPHR Impedance", 0, 1, INT_MAX, 0,
2605 		       wcd938x_hph_impedance_get, NULL),
2606 };
2607 
wcd938x_mbhc_init(struct snd_soc_component * component)2608 static int wcd938x_mbhc_init(struct snd_soc_component *component)
2609 {
2610 	struct wcd938x_priv *wcd938x = snd_soc_component_get_drvdata(component);
2611 	struct wcd_mbhc_intr *intr_ids = &wcd938x->intr_ids;
2612 
2613 	intr_ids->mbhc_sw_intr = regmap_irq_get_virq(wcd938x->irq_chip,
2614 						    WCD938X_IRQ_MBHC_SW_DET);
2615 	intr_ids->mbhc_btn_press_intr = regmap_irq_get_virq(wcd938x->irq_chip,
2616 							   WCD938X_IRQ_MBHC_BUTTON_PRESS_DET);
2617 	intr_ids->mbhc_btn_release_intr = regmap_irq_get_virq(wcd938x->irq_chip,
2618 							     WCD938X_IRQ_MBHC_BUTTON_RELEASE_DET);
2619 	intr_ids->mbhc_hs_ins_intr = regmap_irq_get_virq(wcd938x->irq_chip,
2620 							WCD938X_IRQ_MBHC_ELECT_INS_REM_LEG_DET);
2621 	intr_ids->mbhc_hs_rem_intr = regmap_irq_get_virq(wcd938x->irq_chip,
2622 							WCD938X_IRQ_MBHC_ELECT_INS_REM_DET);
2623 	intr_ids->hph_left_ocp = regmap_irq_get_virq(wcd938x->irq_chip,
2624 						    WCD938X_IRQ_HPHL_OCP_INT);
2625 	intr_ids->hph_right_ocp = regmap_irq_get_virq(wcd938x->irq_chip,
2626 						     WCD938X_IRQ_HPHR_OCP_INT);
2627 
2628 	wcd938x->wcd_mbhc = wcd_mbhc_init(component, &mbhc_cb, intr_ids, wcd_mbhc_fields, true);
2629 	if (IS_ERR(wcd938x->wcd_mbhc))
2630 		return PTR_ERR(wcd938x->wcd_mbhc);
2631 
2632 	snd_soc_add_component_controls(component, impedance_detect_controls,
2633 				       ARRAY_SIZE(impedance_detect_controls));
2634 	snd_soc_add_component_controls(component, hph_type_detect_controls,
2635 				       ARRAY_SIZE(hph_type_detect_controls));
2636 
2637 	return 0;
2638 }
2639 
wcd938x_mbhc_deinit(struct snd_soc_component * component)2640 static void wcd938x_mbhc_deinit(struct snd_soc_component *component)
2641 {
2642 	struct wcd938x_priv *wcd938x = snd_soc_component_get_drvdata(component);
2643 
2644 	wcd_mbhc_deinit(wcd938x->wcd_mbhc);
2645 }
2646 
2647 /* END MBHC */
2648 
2649 static const struct snd_kcontrol_new wcd938x_snd_controls[] = {
2650 	SOC_SINGLE_EXT("HPHL_COMP Switch", WCD938X_COMP_L, 0, 1, 0,
2651 		       wcd938x_get_compander, wcd938x_set_compander),
2652 	SOC_SINGLE_EXT("HPHR_COMP Switch", WCD938X_COMP_R, 1, 1, 0,
2653 		       wcd938x_get_compander, wcd938x_set_compander),
2654 	SOC_SINGLE_EXT("HPHL Switch", WCD938X_HPH_L, 0, 1, 0,
2655 		       wcd938x_get_swr_port, wcd938x_set_swr_port),
2656 	SOC_SINGLE_EXT("HPHR Switch", WCD938X_HPH_R, 0, 1, 0,
2657 		       wcd938x_get_swr_port, wcd938x_set_swr_port),
2658 	SOC_SINGLE_EXT("CLSH Switch", WCD938X_CLSH, 0, 1, 0,
2659 		       wcd938x_get_swr_port, wcd938x_set_swr_port),
2660 	SOC_SINGLE_EXT("LO Switch", WCD938X_LO, 0, 1, 0,
2661 		       wcd938x_get_swr_port, wcd938x_set_swr_port),
2662 	SOC_SINGLE_EXT("DSD_L Switch", WCD938X_DSD_L, 0, 1, 0,
2663 		       wcd938x_get_swr_port, wcd938x_set_swr_port),
2664 	SOC_SINGLE_EXT("DSD_R Switch", WCD938X_DSD_R, 0, 1, 0,
2665 		       wcd938x_get_swr_port, wcd938x_set_swr_port),
2666 	SOC_SINGLE_TLV("HPHL Volume", WCD938X_HPH_L_EN, 0, 0x18, 1, line_gain),
2667 	SOC_SINGLE_TLV("HPHR Volume", WCD938X_HPH_R_EN, 0, 0x18, 1, line_gain),
2668 	WCD938X_EAR_PA_GAIN_TLV("EAR_PA Volume", WCD938X_ANA_EAR_COMPANDER_CTL,
2669 				2, 0x10, 0, ear_pa_gain),
2670 	SOC_SINGLE_EXT("ADC1 Switch", WCD938X_ADC1, 1, 1, 0,
2671 		       wcd938x_get_swr_port, wcd938x_set_swr_port),
2672 	SOC_SINGLE_EXT("ADC2 Switch", WCD938X_ADC2, 1, 1, 0,
2673 		       wcd938x_get_swr_port, wcd938x_set_swr_port),
2674 	SOC_SINGLE_EXT("ADC3 Switch", WCD938X_ADC3, 1, 1, 0,
2675 		       wcd938x_get_swr_port, wcd938x_set_swr_port),
2676 	SOC_SINGLE_EXT("ADC4 Switch", WCD938X_ADC4, 1, 1, 0,
2677 		       wcd938x_get_swr_port, wcd938x_set_swr_port),
2678 	SOC_SINGLE_EXT("DMIC0 Switch", WCD938X_DMIC0, 1, 1, 0,
2679 		       wcd938x_get_swr_port, wcd938x_set_swr_port),
2680 	SOC_SINGLE_EXT("DMIC1 Switch", WCD938X_DMIC1, 1, 1, 0,
2681 		       wcd938x_get_swr_port, wcd938x_set_swr_port),
2682 	SOC_SINGLE_EXT("MBHC Switch", WCD938X_MBHC, 1, 1, 0,
2683 		       wcd938x_get_swr_port, wcd938x_set_swr_port),
2684 	SOC_SINGLE_EXT("DMIC2 Switch", WCD938X_DMIC2, 1, 1, 0,
2685 		       wcd938x_get_swr_port, wcd938x_set_swr_port),
2686 	SOC_SINGLE_EXT("DMIC3 Switch", WCD938X_DMIC3, 1, 1, 0,
2687 		       wcd938x_get_swr_port, wcd938x_set_swr_port),
2688 	SOC_SINGLE_EXT("DMIC4 Switch", WCD938X_DMIC4, 1, 1, 0,
2689 		       wcd938x_get_swr_port, wcd938x_set_swr_port),
2690 	SOC_SINGLE_EXT("DMIC5 Switch", WCD938X_DMIC5, 1, 1, 0,
2691 		       wcd938x_get_swr_port, wcd938x_set_swr_port),
2692 	SOC_SINGLE_EXT("DMIC6 Switch", WCD938X_DMIC6, 1, 1, 0,
2693 		       wcd938x_get_swr_port, wcd938x_set_swr_port),
2694 	SOC_SINGLE_EXT("DMIC7 Switch", WCD938X_DMIC7, 1, 1, 0,
2695 		       wcd938x_get_swr_port, wcd938x_set_swr_port),
2696 	SOC_SINGLE_EXT("LDOH Enable Switch", SND_SOC_NOPM, 0, 1, 0,
2697 		       wcd938x_ldoh_get, wcd938x_ldoh_put),
2698 	SOC_SINGLE_EXT("ADC2_BCS Disable Switch", SND_SOC_NOPM, 0, 1, 0,
2699 		       wcd938x_bcs_get, wcd938x_bcs_put),
2700 
2701 	SOC_SINGLE_TLV("ADC1 Volume", WCD938X_ANA_TX_CH1, 0, 20, 0, analog_gain),
2702 	SOC_SINGLE_TLV("ADC2 Volume", WCD938X_ANA_TX_CH2, 0, 20, 0, analog_gain),
2703 	SOC_SINGLE_TLV("ADC3 Volume", WCD938X_ANA_TX_CH3, 0, 20, 0, analog_gain),
2704 	SOC_SINGLE_TLV("ADC4 Volume", WCD938X_ANA_TX_CH4, 0, 20, 0, analog_gain),
2705 };
2706 
2707 static const struct snd_soc_dapm_widget wcd938x_dapm_widgets[] = {
2708 
2709 	/*input widgets*/
2710 	SND_SOC_DAPM_INPUT("AMIC1"),
2711 	SND_SOC_DAPM_INPUT("AMIC2"),
2712 	SND_SOC_DAPM_INPUT("AMIC3"),
2713 	SND_SOC_DAPM_INPUT("AMIC4"),
2714 	SND_SOC_DAPM_INPUT("AMIC5"),
2715 	SND_SOC_DAPM_INPUT("AMIC6"),
2716 	SND_SOC_DAPM_INPUT("AMIC7"),
2717 	SND_SOC_DAPM_MIC("Analog Mic1", NULL),
2718 	SND_SOC_DAPM_MIC("Analog Mic2", NULL),
2719 	SND_SOC_DAPM_MIC("Analog Mic3", NULL),
2720 	SND_SOC_DAPM_MIC("Analog Mic4", NULL),
2721 	SND_SOC_DAPM_MIC("Analog Mic5", NULL),
2722 
2723 	/*tx widgets*/
2724 	SND_SOC_DAPM_ADC_E("ADC1", NULL, SND_SOC_NOPM, 0, 0,
2725 			   wcd938x_codec_enable_adc,
2726 			   SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD),
2727 	SND_SOC_DAPM_ADC_E("ADC2", NULL, SND_SOC_NOPM, 1, 0,
2728 			   wcd938x_codec_enable_adc,
2729 			   SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD),
2730 	SND_SOC_DAPM_ADC_E("ADC3", NULL, SND_SOC_NOPM, 2, 0,
2731 			   wcd938x_codec_enable_adc,
2732 			   SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD),
2733 	SND_SOC_DAPM_ADC_E("ADC4", NULL, SND_SOC_NOPM, 3, 0,
2734 			   wcd938x_codec_enable_adc,
2735 			   SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD),
2736 	SND_SOC_DAPM_ADC_E("DMIC1", NULL, SND_SOC_NOPM, 0, 0,
2737 			   wcd938x_codec_enable_dmic,
2738 			   SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD),
2739 	SND_SOC_DAPM_ADC_E("DMIC2", NULL, SND_SOC_NOPM, 1, 0,
2740 			   wcd938x_codec_enable_dmic,
2741 			   SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD),
2742 	SND_SOC_DAPM_ADC_E("DMIC3", NULL, SND_SOC_NOPM, 2, 0,
2743 			   wcd938x_codec_enable_dmic,
2744 			   SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD),
2745 	SND_SOC_DAPM_ADC_E("DMIC4", NULL, SND_SOC_NOPM, 3, 0,
2746 			   wcd938x_codec_enable_dmic,
2747 			   SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD),
2748 	SND_SOC_DAPM_ADC_E("DMIC5", NULL, SND_SOC_NOPM, 4, 0,
2749 			   wcd938x_codec_enable_dmic,
2750 			   SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD),
2751 	SND_SOC_DAPM_ADC_E("DMIC6", NULL, SND_SOC_NOPM, 5, 0,
2752 			   wcd938x_codec_enable_dmic,
2753 			   SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD),
2754 	SND_SOC_DAPM_ADC_E("DMIC7", NULL, SND_SOC_NOPM, 6, 0,
2755 			   wcd938x_codec_enable_dmic,
2756 			   SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD),
2757 	SND_SOC_DAPM_ADC_E("DMIC8", NULL, SND_SOC_NOPM, 7, 0,
2758 			   wcd938x_codec_enable_dmic,
2759 			   SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD),
2760 
2761 	SND_SOC_DAPM_MIXER_E("ADC1 REQ", SND_SOC_NOPM, 0, 0,
2762 			     NULL, 0, wcd938x_adc_enable_req,
2763 			     SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD),
2764 	SND_SOC_DAPM_MIXER_E("ADC2 REQ", SND_SOC_NOPM, 1, 0,
2765 			     NULL, 0, wcd938x_adc_enable_req,
2766 			     SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD),
2767 	SND_SOC_DAPM_MIXER_E("ADC3 REQ", SND_SOC_NOPM, 2, 0,
2768 			     NULL, 0, wcd938x_adc_enable_req,
2769 			     SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD),
2770 	SND_SOC_DAPM_MIXER_E("ADC4 REQ", SND_SOC_NOPM, 3, 0, NULL, 0,
2771 			     wcd938x_adc_enable_req,
2772 			     SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD),
2773 
2774 	SND_SOC_DAPM_MUX("ADC2 MUX", SND_SOC_NOPM, 0, 0, &tx_adc2_mux),
2775 	SND_SOC_DAPM_MUX("ADC3 MUX", SND_SOC_NOPM, 0, 0, &tx_adc3_mux),
2776 	SND_SOC_DAPM_MUX("ADC4 MUX", SND_SOC_NOPM, 0, 0, &tx_adc4_mux),
2777 	SND_SOC_DAPM_MUX("HDR12 MUX", SND_SOC_NOPM, 0, 0, &tx_hdr12_mux),
2778 	SND_SOC_DAPM_MUX("HDR34 MUX", SND_SOC_NOPM, 0, 0, &tx_hdr34_mux),
2779 
2780 	/*tx mixers*/
2781 	SND_SOC_DAPM_MIXER_E("ADC1_MIXER", SND_SOC_NOPM, 0, 0, adc1_switch,
2782 			     ARRAY_SIZE(adc1_switch), wcd938x_tx_swr_ctrl,
2783 			     SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD),
2784 	SND_SOC_DAPM_MIXER_E("ADC2_MIXER", SND_SOC_NOPM, 0, 0, adc2_switch,
2785 			     ARRAY_SIZE(adc2_switch), wcd938x_tx_swr_ctrl,
2786 			     SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD),
2787 	SND_SOC_DAPM_MIXER_E("ADC3_MIXER", SND_SOC_NOPM, 0, 0, adc3_switch,
2788 			     ARRAY_SIZE(adc3_switch), wcd938x_tx_swr_ctrl,
2789 			     SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD),
2790 	SND_SOC_DAPM_MIXER_E("ADC4_MIXER", SND_SOC_NOPM, 0, 0, adc4_switch,
2791 			     ARRAY_SIZE(adc4_switch), wcd938x_tx_swr_ctrl,
2792 			     SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD),
2793 	SND_SOC_DAPM_MIXER_E("DMIC1_MIXER", SND_SOC_NOPM, 0, 0, dmic1_switch,
2794 			     ARRAY_SIZE(dmic1_switch), wcd938x_tx_swr_ctrl,
2795 			     SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD),
2796 	SND_SOC_DAPM_MIXER_E("DMIC2_MIXER", SND_SOC_NOPM, 0, 0, dmic2_switch,
2797 			     ARRAY_SIZE(dmic2_switch), wcd938x_tx_swr_ctrl,
2798 			     SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD),
2799 	SND_SOC_DAPM_MIXER_E("DMIC3_MIXER", SND_SOC_NOPM, 0, 0, dmic3_switch,
2800 			     ARRAY_SIZE(dmic3_switch), wcd938x_tx_swr_ctrl,
2801 			     SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD),
2802 	SND_SOC_DAPM_MIXER_E("DMIC4_MIXER", SND_SOC_NOPM, 0, 0, dmic4_switch,
2803 			     ARRAY_SIZE(dmic4_switch), wcd938x_tx_swr_ctrl,
2804 			     SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD),
2805 	SND_SOC_DAPM_MIXER_E("DMIC5_MIXER", SND_SOC_NOPM, 0, 0, dmic5_switch,
2806 			     ARRAY_SIZE(dmic5_switch), wcd938x_tx_swr_ctrl,
2807 			     SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD),
2808 	SND_SOC_DAPM_MIXER_E("DMIC6_MIXER", SND_SOC_NOPM, 0, 0, dmic6_switch,
2809 			     ARRAY_SIZE(dmic6_switch), wcd938x_tx_swr_ctrl,
2810 			     SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD),
2811 	SND_SOC_DAPM_MIXER_E("DMIC7_MIXER", SND_SOC_NOPM, 0, 0, dmic7_switch,
2812 			     ARRAY_SIZE(dmic7_switch), wcd938x_tx_swr_ctrl,
2813 			     SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD),
2814 	SND_SOC_DAPM_MIXER_E("DMIC8_MIXER", SND_SOC_NOPM, 0, 0, dmic8_switch,
2815 			     ARRAY_SIZE(dmic8_switch), wcd938x_tx_swr_ctrl,
2816 			     SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD),
2817 	/* micbias widgets*/
2818 	SND_SOC_DAPM_SUPPLY("MIC BIAS1", SND_SOC_NOPM, MIC_BIAS_1, 0,
2819 			    wcd938x_codec_enable_micbias,
2820 			    SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMU |
2821 			    SND_SOC_DAPM_POST_PMD),
2822 	SND_SOC_DAPM_SUPPLY("MIC BIAS2", SND_SOC_NOPM, MIC_BIAS_2, 0,
2823 			    wcd938x_codec_enable_micbias,
2824 			    SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMU |
2825 			    SND_SOC_DAPM_POST_PMD),
2826 	SND_SOC_DAPM_SUPPLY("MIC BIAS3", SND_SOC_NOPM, MIC_BIAS_3, 0,
2827 			    wcd938x_codec_enable_micbias,
2828 			    SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMU |
2829 			    SND_SOC_DAPM_POST_PMD),
2830 	SND_SOC_DAPM_SUPPLY("MIC BIAS4", SND_SOC_NOPM, MIC_BIAS_4, 0,
2831 			    wcd938x_codec_enable_micbias,
2832 			    SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMU |
2833 			    SND_SOC_DAPM_POST_PMD),
2834 
2835 	/* micbias pull up widgets*/
2836 	SND_SOC_DAPM_SUPPLY("VA MIC BIAS1", SND_SOC_NOPM, MIC_BIAS_1, 0,
2837 				wcd938x_codec_enable_micbias_pullup,
2838 				SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMU |
2839 				SND_SOC_DAPM_POST_PMD),
2840 	SND_SOC_DAPM_SUPPLY("VA MIC BIAS2", SND_SOC_NOPM, MIC_BIAS_2, 0,
2841 				wcd938x_codec_enable_micbias_pullup,
2842 				SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMU |
2843 				SND_SOC_DAPM_POST_PMD),
2844 	SND_SOC_DAPM_SUPPLY("VA MIC BIAS3", SND_SOC_NOPM, MIC_BIAS_3, 0,
2845 				wcd938x_codec_enable_micbias_pullup,
2846 				SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMU |
2847 				SND_SOC_DAPM_POST_PMD),
2848 	SND_SOC_DAPM_SUPPLY("VA MIC BIAS4", SND_SOC_NOPM, MIC_BIAS_4, 0,
2849 				wcd938x_codec_enable_micbias_pullup,
2850 				SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMU |
2851 				SND_SOC_DAPM_POST_PMD),
2852 
2853 	/*output widgets tx*/
2854 	SND_SOC_DAPM_OUTPUT("ADC1_OUTPUT"),
2855 	SND_SOC_DAPM_OUTPUT("ADC2_OUTPUT"),
2856 	SND_SOC_DAPM_OUTPUT("ADC3_OUTPUT"),
2857 	SND_SOC_DAPM_OUTPUT("ADC4_OUTPUT"),
2858 	SND_SOC_DAPM_OUTPUT("DMIC1_OUTPUT"),
2859 	SND_SOC_DAPM_OUTPUT("DMIC2_OUTPUT"),
2860 	SND_SOC_DAPM_OUTPUT("DMIC3_OUTPUT"),
2861 	SND_SOC_DAPM_OUTPUT("DMIC4_OUTPUT"),
2862 	SND_SOC_DAPM_OUTPUT("DMIC5_OUTPUT"),
2863 	SND_SOC_DAPM_OUTPUT("DMIC6_OUTPUT"),
2864 	SND_SOC_DAPM_OUTPUT("DMIC7_OUTPUT"),
2865 	SND_SOC_DAPM_OUTPUT("DMIC8_OUTPUT"),
2866 
2867 	SND_SOC_DAPM_INPUT("IN1_HPHL"),
2868 	SND_SOC_DAPM_INPUT("IN2_HPHR"),
2869 	SND_SOC_DAPM_INPUT("IN3_AUX"),
2870 
2871 	/*rx widgets*/
2872 	SND_SOC_DAPM_PGA_E("EAR PGA", WCD938X_ANA_EAR, 7, 0, NULL, 0,
2873 			   wcd938x_codec_enable_ear_pa,
2874 			   SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMU |
2875 			   SND_SOC_DAPM_PRE_PMD | SND_SOC_DAPM_POST_PMD),
2876 	SND_SOC_DAPM_PGA_E("AUX PGA", WCD938X_AUX_AUXPA, 7, 0, NULL, 0,
2877 			   wcd938x_codec_enable_aux_pa,
2878 			   SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMU |
2879 			   SND_SOC_DAPM_PRE_PMD | SND_SOC_DAPM_POST_PMD),
2880 	SND_SOC_DAPM_PGA_E("HPHL PGA", WCD938X_ANA_HPH, 7, 0, NULL, 0,
2881 			   wcd938x_codec_enable_hphl_pa,
2882 			   SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMU |
2883 			   SND_SOC_DAPM_PRE_PMD | SND_SOC_DAPM_POST_PMD),
2884 	SND_SOC_DAPM_PGA_E("HPHR PGA", WCD938X_ANA_HPH, 6, 0, NULL, 0,
2885 			   wcd938x_codec_enable_hphr_pa,
2886 			   SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMU |
2887 			   SND_SOC_DAPM_PRE_PMD | SND_SOC_DAPM_POST_PMD),
2888 
2889 	SND_SOC_DAPM_DAC_E("RDAC1", NULL, SND_SOC_NOPM, 0, 0,
2890 			   wcd938x_codec_hphl_dac_event,
2891 			   SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMU |
2892 			   SND_SOC_DAPM_PRE_PMD | SND_SOC_DAPM_POST_PMD),
2893 	SND_SOC_DAPM_DAC_E("RDAC2", NULL, SND_SOC_NOPM, 0, 0,
2894 			   wcd938x_codec_hphr_dac_event,
2895 			   SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMU |
2896 			   SND_SOC_DAPM_PRE_PMD | SND_SOC_DAPM_POST_PMD),
2897 	SND_SOC_DAPM_DAC_E("RDAC3", NULL, SND_SOC_NOPM, 0, 0,
2898 			   wcd938x_codec_ear_dac_event,
2899 			   SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMU |
2900 			   SND_SOC_DAPM_PRE_PMD | SND_SOC_DAPM_POST_PMD),
2901 	SND_SOC_DAPM_DAC_E("RDAC4", NULL, SND_SOC_NOPM, 0, 0,
2902 			   wcd938x_codec_aux_dac_event,
2903 			   SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMU |
2904 			   SND_SOC_DAPM_PRE_PMD | SND_SOC_DAPM_POST_PMD),
2905 
2906 	SND_SOC_DAPM_MUX("RDAC3_MUX", SND_SOC_NOPM, 0, 0, &rx_rdac3_mux),
2907 
2908 	SND_SOC_DAPM_SUPPLY("VDD_BUCK", SND_SOC_NOPM, 0, 0, NULL, 0),
2909 	SND_SOC_DAPM_SUPPLY("RXCLK", SND_SOC_NOPM, 0, 0,
2910 			    wcd938x_codec_enable_rxclk,
2911 			    SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMU |
2912 			    SND_SOC_DAPM_POST_PMD),
2913 
2914 	SND_SOC_DAPM_SUPPLY_S("CLS_H_PORT", 1, SND_SOC_NOPM, 0, 0, NULL, 0),
2915 
2916 	SND_SOC_DAPM_MIXER_E("RX1", SND_SOC_NOPM, 0, 0, NULL, 0, NULL, 0),
2917 	SND_SOC_DAPM_MIXER_E("RX2", SND_SOC_NOPM, 0, 0, NULL, 0, NULL, 0),
2918 	SND_SOC_DAPM_MIXER_E("RX3", SND_SOC_NOPM, 0, 0, NULL, 0, NULL, 0),
2919 
2920 	/* rx mixer widgets*/
2921 	SND_SOC_DAPM_MIXER("EAR_RDAC", SND_SOC_NOPM, 0, 0,
2922 			   ear_rdac_switch, ARRAY_SIZE(ear_rdac_switch)),
2923 	SND_SOC_DAPM_MIXER("AUX_RDAC", SND_SOC_NOPM, 0, 0,
2924 			   aux_rdac_switch, ARRAY_SIZE(aux_rdac_switch)),
2925 	SND_SOC_DAPM_MIXER("HPHL_RDAC", SND_SOC_NOPM, 0, 0,
2926 			   hphl_rdac_switch, ARRAY_SIZE(hphl_rdac_switch)),
2927 	SND_SOC_DAPM_MIXER("HPHR_RDAC", SND_SOC_NOPM, 0, 0,
2928 			   hphr_rdac_switch, ARRAY_SIZE(hphr_rdac_switch)),
2929 
2930 	/*output widgets rx*/
2931 	SND_SOC_DAPM_OUTPUT("EAR"),
2932 	SND_SOC_DAPM_OUTPUT("AUX"),
2933 	SND_SOC_DAPM_OUTPUT("HPHL"),
2934 	SND_SOC_DAPM_OUTPUT("HPHR"),
2935 
2936 };
2937 
2938 static const struct snd_soc_dapm_route wcd938x_audio_map[] = {
2939 	{"ADC1_OUTPUT", NULL, "ADC1_MIXER"},
2940 	{"ADC1_MIXER", "Switch", "ADC1 REQ"},
2941 	{"ADC1 REQ", NULL, "ADC1"},
2942 	{"ADC1", NULL, "AMIC1"},
2943 
2944 	{"ADC2_OUTPUT", NULL, "ADC2_MIXER"},
2945 	{"ADC2_MIXER", "Switch", "ADC2 REQ"},
2946 	{"ADC2 REQ", NULL, "ADC2"},
2947 	{"ADC2", NULL, "HDR12 MUX"},
2948 	{"HDR12 MUX", "NO_HDR12", "ADC2 MUX"},
2949 	{"HDR12 MUX", "HDR12", "AMIC1"},
2950 	{"ADC2 MUX", "INP3", "AMIC3"},
2951 	{"ADC2 MUX", "INP2", "AMIC2"},
2952 
2953 	{"ADC3_OUTPUT", NULL, "ADC3_MIXER"},
2954 	{"ADC3_MIXER", "Switch", "ADC3 REQ"},
2955 	{"ADC3 REQ", NULL, "ADC3"},
2956 	{"ADC3", NULL, "HDR34 MUX"},
2957 	{"HDR34 MUX", "NO_HDR34", "ADC3 MUX"},
2958 	{"HDR34 MUX", "HDR34", "AMIC5"},
2959 	{"ADC3 MUX", "INP4", "AMIC4"},
2960 	{"ADC3 MUX", "INP6", "AMIC6"},
2961 
2962 	{"ADC4_OUTPUT", NULL, "ADC4_MIXER"},
2963 	{"ADC4_MIXER", "Switch", "ADC4 REQ"},
2964 	{"ADC4 REQ", NULL, "ADC4"},
2965 	{"ADC4", NULL, "ADC4 MUX"},
2966 	{"ADC4 MUX", "INP5", "AMIC5"},
2967 	{"ADC4 MUX", "INP7", "AMIC7"},
2968 
2969 	{"DMIC1_OUTPUT", NULL, "DMIC1_MIXER"},
2970 	{"DMIC1_MIXER", "Switch", "DMIC1"},
2971 
2972 	{"DMIC2_OUTPUT", NULL, "DMIC2_MIXER"},
2973 	{"DMIC2_MIXER", "Switch", "DMIC2"},
2974 
2975 	{"DMIC3_OUTPUT", NULL, "DMIC3_MIXER"},
2976 	{"DMIC3_MIXER", "Switch", "DMIC3"},
2977 
2978 	{"DMIC4_OUTPUT", NULL, "DMIC4_MIXER"},
2979 	{"DMIC4_MIXER", "Switch", "DMIC4"},
2980 
2981 	{"DMIC5_OUTPUT", NULL, "DMIC5_MIXER"},
2982 	{"DMIC5_MIXER", "Switch", "DMIC5"},
2983 
2984 	{"DMIC6_OUTPUT", NULL, "DMIC6_MIXER"},
2985 	{"DMIC6_MIXER", "Switch", "DMIC6"},
2986 
2987 	{"DMIC7_OUTPUT", NULL, "DMIC7_MIXER"},
2988 	{"DMIC7_MIXER", "Switch", "DMIC7"},
2989 
2990 	{"DMIC8_OUTPUT", NULL, "DMIC8_MIXER"},
2991 	{"DMIC8_MIXER", "Switch", "DMIC8"},
2992 
2993 	{"IN1_HPHL", NULL, "VDD_BUCK"},
2994 	{"IN1_HPHL", NULL, "CLS_H_PORT"},
2995 
2996 	{"RX1", NULL, "IN1_HPHL"},
2997 	{"RX1", NULL, "RXCLK"},
2998 	{"RDAC1", NULL, "RX1"},
2999 	{"HPHL_RDAC", "Switch", "RDAC1"},
3000 	{"HPHL PGA", NULL, "HPHL_RDAC"},
3001 	{"HPHL", NULL, "HPHL PGA"},
3002 
3003 	{"IN2_HPHR", NULL, "VDD_BUCK"},
3004 	{"IN2_HPHR", NULL, "CLS_H_PORT"},
3005 	{"RX2", NULL, "IN2_HPHR"},
3006 	{"RDAC2", NULL, "RX2"},
3007 	{"RX2", NULL, "RXCLK"},
3008 	{"HPHR_RDAC", "Switch", "RDAC2"},
3009 	{"HPHR PGA", NULL, "HPHR_RDAC"},
3010 	{"HPHR", NULL, "HPHR PGA"},
3011 
3012 	{"IN3_AUX", NULL, "VDD_BUCK"},
3013 	{"IN3_AUX", NULL, "CLS_H_PORT"},
3014 	{"RX3", NULL, "IN3_AUX"},
3015 	{"RDAC4", NULL, "RX3"},
3016 	{"RX3", NULL, "RXCLK"},
3017 	{"AUX_RDAC", "Switch", "RDAC4"},
3018 	{"AUX PGA", NULL, "AUX_RDAC"},
3019 	{"AUX", NULL, "AUX PGA"},
3020 
3021 	{"RDAC3_MUX", "RX3", "RX3"},
3022 	{"RDAC3_MUX", "RX1", "RX1"},
3023 	{"RDAC3", NULL, "RDAC3_MUX"},
3024 	{"EAR_RDAC", "Switch", "RDAC3"},
3025 	{"EAR PGA", NULL, "EAR_RDAC"},
3026 	{"EAR", NULL, "EAR PGA"},
3027 };
3028 
wcd938x_set_micbias_data(struct wcd938x_priv * wcd938x)3029 static int wcd938x_set_micbias_data(struct wcd938x_priv *wcd938x)
3030 {
3031 	int vout_ctl_1, vout_ctl_2, vout_ctl_3, vout_ctl_4;
3032 
3033 	/* set micbias voltage */
3034 	vout_ctl_1 = wcd938x_get_micb_vout_ctl_val(wcd938x->micb1_mv);
3035 	vout_ctl_2 = wcd938x_get_micb_vout_ctl_val(wcd938x->micb2_mv);
3036 	vout_ctl_3 = wcd938x_get_micb_vout_ctl_val(wcd938x->micb3_mv);
3037 	vout_ctl_4 = wcd938x_get_micb_vout_ctl_val(wcd938x->micb4_mv);
3038 	if (vout_ctl_1 < 0 || vout_ctl_2 < 0 || vout_ctl_3 < 0 || vout_ctl_4 < 0)
3039 		return -EINVAL;
3040 
3041 	regmap_update_bits(wcd938x->regmap, WCD938X_ANA_MICB1,
3042 			   WCD938X_MICB_VOUT_MASK, vout_ctl_1);
3043 	regmap_update_bits(wcd938x->regmap, WCD938X_ANA_MICB2,
3044 			   WCD938X_MICB_VOUT_MASK, vout_ctl_2);
3045 	regmap_update_bits(wcd938x->regmap, WCD938X_ANA_MICB3,
3046 			   WCD938X_MICB_VOUT_MASK, vout_ctl_3);
3047 	regmap_update_bits(wcd938x->regmap, WCD938X_ANA_MICB4,
3048 			   WCD938X_MICB_VOUT_MASK, vout_ctl_4);
3049 
3050 	return 0;
3051 }
3052 
wcd938x_wd_handle_irq(int irq,void * data)3053 static irqreturn_t wcd938x_wd_handle_irq(int irq, void *data)
3054 {
3055 	return IRQ_HANDLED;
3056 }
3057 
3058 static struct irq_chip wcd_irq_chip = {
3059 	.name = "WCD938x",
3060 };
3061 
wcd_irq_chip_map(struct irq_domain * irqd,unsigned int virq,irq_hw_number_t hw)3062 static int wcd_irq_chip_map(struct irq_domain *irqd, unsigned int virq,
3063 			irq_hw_number_t hw)
3064 {
3065 	irq_set_chip_and_handler(virq, &wcd_irq_chip, handle_simple_irq);
3066 	irq_set_nested_thread(virq, 1);
3067 	irq_set_noprobe(virq);
3068 
3069 	return 0;
3070 }
3071 
3072 static const struct irq_domain_ops wcd_domain_ops = {
3073 	.map = wcd_irq_chip_map,
3074 };
3075 
wcd938x_irq_init(struct wcd938x_priv * wcd,struct device * dev)3076 static int wcd938x_irq_init(struct wcd938x_priv *wcd, struct device *dev)
3077 {
3078 
3079 	wcd->virq = irq_domain_add_linear(NULL, 1, &wcd_domain_ops, NULL);
3080 	if (!(wcd->virq)) {
3081 		dev_err(dev, "%s: Failed to add IRQ domain\n", __func__);
3082 		return -EINVAL;
3083 	}
3084 
3085 	return devm_regmap_add_irq_chip(dev, wcd->regmap,
3086 					irq_create_mapping(wcd->virq, 0),
3087 					IRQF_ONESHOT, 0, &wcd938x_regmap_irq_chip,
3088 					&wcd->irq_chip);
3089 }
3090 
wcd938x_soc_codec_probe(struct snd_soc_component * component)3091 static int wcd938x_soc_codec_probe(struct snd_soc_component *component)
3092 {
3093 	struct wcd938x_priv *wcd938x = snd_soc_component_get_drvdata(component);
3094 	struct sdw_slave *tx_sdw_dev = wcd938x->tx_sdw_dev;
3095 	struct device *dev = component->dev;
3096 	unsigned long time_left;
3097 	int ret, i;
3098 
3099 	time_left = wait_for_completion_timeout(&tx_sdw_dev->initialization_complete,
3100 						msecs_to_jiffies(2000));
3101 	if (!time_left) {
3102 		dev_err(dev, "soundwire device init timeout\n");
3103 		return -ETIMEDOUT;
3104 	}
3105 
3106 	snd_soc_component_init_regmap(component, wcd938x->regmap);
3107 
3108 	ret = pm_runtime_resume_and_get(dev);
3109 	if (ret < 0)
3110 		return ret;
3111 
3112 	wcd938x->variant = snd_soc_component_read_field(component,
3113 						 WCD938X_DIGITAL_EFUSE_REG_0,
3114 						 WCD938X_ID_MASK);
3115 
3116 	wcd938x->clsh_info = wcd_clsh_ctrl_alloc(component, WCD938X);
3117 	if (IS_ERR(wcd938x->clsh_info)) {
3118 		pm_runtime_put(dev);
3119 		return PTR_ERR(wcd938x->clsh_info);
3120 	}
3121 
3122 	wcd938x_io_init(wcd938x);
3123 	/* Set all interrupts as edge triggered */
3124 	for (i = 0; i < wcd938x_regmap_irq_chip.num_regs; i++) {
3125 		regmap_write(wcd938x->regmap,
3126 			     (WCD938X_DIGITAL_INTR_LEVEL_0 + i), 0);
3127 	}
3128 
3129 	pm_runtime_put(dev);
3130 
3131 	wcd938x->hphr_pdm_wd_int = regmap_irq_get_virq(wcd938x->irq_chip,
3132 						       WCD938X_IRQ_HPHR_PDM_WD_INT);
3133 	wcd938x->hphl_pdm_wd_int = regmap_irq_get_virq(wcd938x->irq_chip,
3134 						       WCD938X_IRQ_HPHL_PDM_WD_INT);
3135 	wcd938x->aux_pdm_wd_int = regmap_irq_get_virq(wcd938x->irq_chip,
3136 						       WCD938X_IRQ_AUX_PDM_WD_INT);
3137 
3138 	/* Request for watchdog interrupt */
3139 	ret = request_threaded_irq(wcd938x->hphr_pdm_wd_int, NULL, wcd938x_wd_handle_irq,
3140 				   IRQF_ONESHOT | IRQF_TRIGGER_RISING,
3141 				   "HPHR PDM WD INT", wcd938x);
3142 	if (ret) {
3143 		dev_err(dev, "Failed to request HPHR WD interrupt (%d)\n", ret);
3144 		goto err_free_clsh_ctrl;
3145 	}
3146 
3147 	ret = request_threaded_irq(wcd938x->hphl_pdm_wd_int, NULL, wcd938x_wd_handle_irq,
3148 				   IRQF_ONESHOT | IRQF_TRIGGER_RISING,
3149 				   "HPHL PDM WD INT", wcd938x);
3150 	if (ret) {
3151 		dev_err(dev, "Failed to request HPHL WD interrupt (%d)\n", ret);
3152 		goto err_free_hphr_pdm_wd_int;
3153 	}
3154 
3155 	ret = request_threaded_irq(wcd938x->aux_pdm_wd_int, NULL, wcd938x_wd_handle_irq,
3156 				   IRQF_ONESHOT | IRQF_TRIGGER_RISING,
3157 				   "AUX PDM WD INT", wcd938x);
3158 	if (ret) {
3159 		dev_err(dev, "Failed to request Aux WD interrupt (%d)\n", ret);
3160 		goto err_free_hphl_pdm_wd_int;
3161 	}
3162 
3163 	/* Disable watchdog interrupt for HPH and AUX */
3164 	disable_irq_nosync(wcd938x->hphr_pdm_wd_int);
3165 	disable_irq_nosync(wcd938x->hphl_pdm_wd_int);
3166 	disable_irq_nosync(wcd938x->aux_pdm_wd_int);
3167 
3168 	switch (wcd938x->variant) {
3169 	case WCD9380:
3170 		ret = snd_soc_add_component_controls(component, wcd9380_snd_controls,
3171 					ARRAY_SIZE(wcd9380_snd_controls));
3172 		if (ret < 0) {
3173 			dev_err(component->dev,
3174 				"%s: Failed to add snd ctrls for variant: %d\n",
3175 				__func__, wcd938x->variant);
3176 			goto err_free_aux_pdm_wd_int;
3177 		}
3178 		break;
3179 	case WCD9385:
3180 		ret = snd_soc_add_component_controls(component, wcd9385_snd_controls,
3181 					ARRAY_SIZE(wcd9385_snd_controls));
3182 		if (ret < 0) {
3183 			dev_err(component->dev,
3184 				"%s: Failed to add snd ctrls for variant: %d\n",
3185 				__func__, wcd938x->variant);
3186 			goto err_free_aux_pdm_wd_int;
3187 		}
3188 		break;
3189 	default:
3190 		break;
3191 	}
3192 
3193 	ret = wcd938x_mbhc_init(component);
3194 	if (ret) {
3195 		dev_err(component->dev,  "mbhc initialization failed\n");
3196 		goto err_free_aux_pdm_wd_int;
3197 	}
3198 
3199 	return 0;
3200 
3201 err_free_aux_pdm_wd_int:
3202 	free_irq(wcd938x->aux_pdm_wd_int, wcd938x);
3203 err_free_hphl_pdm_wd_int:
3204 	free_irq(wcd938x->hphl_pdm_wd_int, wcd938x);
3205 err_free_hphr_pdm_wd_int:
3206 	free_irq(wcd938x->hphr_pdm_wd_int, wcd938x);
3207 err_free_clsh_ctrl:
3208 	wcd_clsh_ctrl_free(wcd938x->clsh_info);
3209 
3210 	return ret;
3211 }
3212 
wcd938x_soc_codec_remove(struct snd_soc_component * component)3213 static void wcd938x_soc_codec_remove(struct snd_soc_component *component)
3214 {
3215 	struct wcd938x_priv *wcd938x = snd_soc_component_get_drvdata(component);
3216 
3217 	wcd938x_mbhc_deinit(component);
3218 
3219 	free_irq(wcd938x->aux_pdm_wd_int, wcd938x);
3220 	free_irq(wcd938x->hphl_pdm_wd_int, wcd938x);
3221 	free_irq(wcd938x->hphr_pdm_wd_int, wcd938x);
3222 
3223 	wcd_clsh_ctrl_free(wcd938x->clsh_info);
3224 }
3225 
wcd938x_codec_set_jack(struct snd_soc_component * comp,struct snd_soc_jack * jack,void * data)3226 static int wcd938x_codec_set_jack(struct snd_soc_component *comp,
3227 				  struct snd_soc_jack *jack, void *data)
3228 {
3229 	struct wcd938x_priv *wcd = dev_get_drvdata(comp->dev);
3230 
3231 	if (jack)
3232 		return wcd_mbhc_start(wcd->wcd_mbhc, &wcd->mbhc_cfg, jack);
3233 	else
3234 		wcd_mbhc_stop(wcd->wcd_mbhc);
3235 
3236 	return 0;
3237 }
3238 
3239 static const struct snd_soc_component_driver soc_codec_dev_wcd938x = {
3240 	.name = "wcd938x_codec",
3241 	.probe = wcd938x_soc_codec_probe,
3242 	.remove = wcd938x_soc_codec_remove,
3243 	.controls = wcd938x_snd_controls,
3244 	.num_controls = ARRAY_SIZE(wcd938x_snd_controls),
3245 	.dapm_widgets = wcd938x_dapm_widgets,
3246 	.num_dapm_widgets = ARRAY_SIZE(wcd938x_dapm_widgets),
3247 	.dapm_routes = wcd938x_audio_map,
3248 	.num_dapm_routes = ARRAY_SIZE(wcd938x_audio_map),
3249 	.set_jack = wcd938x_codec_set_jack,
3250 	.endianness = 1,
3251 };
3252 
wcd938x_dt_parse_micbias_info(struct device * dev,struct wcd938x_priv * wcd)3253 static void wcd938x_dt_parse_micbias_info(struct device *dev, struct wcd938x_priv *wcd)
3254 {
3255 	struct device_node *np = dev->of_node;
3256 	u32 prop_val = 0;
3257 	int rc = 0;
3258 
3259 	rc = of_property_read_u32(np, "qcom,micbias1-microvolt",  &prop_val);
3260 	if (!rc)
3261 		wcd->micb1_mv = prop_val/1000;
3262 	else
3263 		dev_info(dev, "%s: Micbias1 DT property not found\n", __func__);
3264 
3265 	rc = of_property_read_u32(np, "qcom,micbias2-microvolt",  &prop_val);
3266 	if (!rc)
3267 		wcd->micb2_mv = prop_val/1000;
3268 	else
3269 		dev_info(dev, "%s: Micbias2 DT property not found\n", __func__);
3270 
3271 	rc = of_property_read_u32(np, "qcom,micbias3-microvolt", &prop_val);
3272 	if (!rc)
3273 		wcd->micb3_mv = prop_val/1000;
3274 	else
3275 		dev_info(dev, "%s: Micbias3 DT property not found\n", __func__);
3276 
3277 	rc = of_property_read_u32(np, "qcom,micbias4-microvolt",  &prop_val);
3278 	if (!rc)
3279 		wcd->micb4_mv = prop_val/1000;
3280 	else
3281 		dev_info(dev, "%s: Micbias4 DT property not found\n", __func__);
3282 }
3283 
wcd938x_swap_gnd_mic(struct snd_soc_component * component,bool active)3284 static bool wcd938x_swap_gnd_mic(struct snd_soc_component *component, bool active)
3285 {
3286 	int value;
3287 
3288 	struct wcd938x_priv *wcd938x;
3289 
3290 	wcd938x = snd_soc_component_get_drvdata(component);
3291 
3292 	value = gpiod_get_value(wcd938x->us_euro_gpio);
3293 
3294 	gpiod_set_value(wcd938x->us_euro_gpio, !value);
3295 
3296 	return true;
3297 }
3298 
3299 
wcd938x_populate_dt_data(struct wcd938x_priv * wcd938x,struct device * dev)3300 static int wcd938x_populate_dt_data(struct wcd938x_priv *wcd938x, struct device *dev)
3301 {
3302 	struct wcd_mbhc_config *cfg = &wcd938x->mbhc_cfg;
3303 	int ret;
3304 
3305 	wcd938x->reset_gpio = of_get_named_gpio(dev->of_node, "reset-gpios", 0);
3306 	if (wcd938x->reset_gpio < 0)
3307 		return dev_err_probe(dev, wcd938x->reset_gpio,
3308 				     "Failed to get reset gpio\n");
3309 
3310 	wcd938x->us_euro_gpio = devm_gpiod_get_optional(dev, "us-euro",
3311 						GPIOD_OUT_LOW);
3312 	if (IS_ERR(wcd938x->us_euro_gpio))
3313 		return dev_err_probe(dev, PTR_ERR(wcd938x->us_euro_gpio),
3314 				     "us-euro swap Control GPIO not found\n");
3315 
3316 	cfg->swap_gnd_mic = wcd938x_swap_gnd_mic;
3317 
3318 	wcd938x->supplies[0].supply = "vdd-rxtx";
3319 	wcd938x->supplies[1].supply = "vdd-io";
3320 	wcd938x->supplies[2].supply = "vdd-buck";
3321 	wcd938x->supplies[3].supply = "vdd-mic-bias";
3322 
3323 	ret = regulator_bulk_get(dev, WCD938X_MAX_SUPPLY, wcd938x->supplies);
3324 	if (ret)
3325 		return dev_err_probe(dev, ret, "Failed to get supplies\n");
3326 
3327 	ret = regulator_bulk_enable(WCD938X_MAX_SUPPLY, wcd938x->supplies);
3328 	if (ret) {
3329 		regulator_bulk_free(WCD938X_MAX_SUPPLY, wcd938x->supplies);
3330 		return dev_err_probe(dev, ret, "Failed to enable supplies\n");
3331 	}
3332 
3333 	wcd938x_dt_parse_micbias_info(dev, wcd938x);
3334 
3335 	cfg->mbhc_micbias = MIC_BIAS_2;
3336 	cfg->anc_micbias = MIC_BIAS_2;
3337 	cfg->v_hs_max = WCD_MBHC_HS_V_MAX;
3338 	cfg->num_btn = WCD938X_MBHC_MAX_BUTTONS;
3339 	cfg->micb_mv = wcd938x->micb2_mv;
3340 	cfg->linein_th = 5000;
3341 	cfg->hs_thr = 1700;
3342 	cfg->hph_thr = 50;
3343 
3344 	wcd_dt_parse_mbhc_data(dev, cfg);
3345 
3346 	return 0;
3347 }
3348 
wcd938x_reset(struct wcd938x_priv * wcd938x)3349 static int wcd938x_reset(struct wcd938x_priv *wcd938x)
3350 {
3351 	gpio_direction_output(wcd938x->reset_gpio, 0);
3352 	/* 20us sleep required after pulling the reset gpio to LOW */
3353 	usleep_range(20, 30);
3354 	gpio_set_value(wcd938x->reset_gpio, 1);
3355 	/* 20us sleep required after pulling the reset gpio to HIGH */
3356 	usleep_range(20, 30);
3357 
3358 	return 0;
3359 }
3360 
wcd938x_codec_hw_params(struct snd_pcm_substream * substream,struct snd_pcm_hw_params * params,struct snd_soc_dai * dai)3361 static int wcd938x_codec_hw_params(struct snd_pcm_substream *substream,
3362 				struct snd_pcm_hw_params *params,
3363 				struct snd_soc_dai *dai)
3364 {
3365 	struct wcd938x_priv *wcd938x = dev_get_drvdata(dai->dev);
3366 	struct wcd938x_sdw_priv *wcd = wcd938x->sdw_priv[dai->id];
3367 
3368 	return wcd938x_sdw_hw_params(wcd, substream, params, dai);
3369 }
3370 
wcd938x_codec_free(struct snd_pcm_substream * substream,struct snd_soc_dai * dai)3371 static int wcd938x_codec_free(struct snd_pcm_substream *substream,
3372 			      struct snd_soc_dai *dai)
3373 {
3374 	struct wcd938x_priv *wcd938x = dev_get_drvdata(dai->dev);
3375 	struct wcd938x_sdw_priv *wcd = wcd938x->sdw_priv[dai->id];
3376 
3377 	return wcd938x_sdw_free(wcd, substream, dai);
3378 }
3379 
wcd938x_codec_set_sdw_stream(struct snd_soc_dai * dai,void * stream,int direction)3380 static int wcd938x_codec_set_sdw_stream(struct snd_soc_dai *dai,
3381 				  void *stream, int direction)
3382 {
3383 	struct wcd938x_priv *wcd938x = dev_get_drvdata(dai->dev);
3384 	struct wcd938x_sdw_priv *wcd = wcd938x->sdw_priv[dai->id];
3385 
3386 	return wcd938x_sdw_set_sdw_stream(wcd, dai, stream, direction);
3387 
3388 }
3389 
3390 static const struct snd_soc_dai_ops wcd938x_sdw_dai_ops = {
3391 	.hw_params = wcd938x_codec_hw_params,
3392 	.hw_free = wcd938x_codec_free,
3393 	.set_stream = wcd938x_codec_set_sdw_stream,
3394 };
3395 
3396 static struct snd_soc_dai_driver wcd938x_dais[] = {
3397 	[0] = {
3398 		.name = "wcd938x-sdw-rx",
3399 		.playback = {
3400 			.stream_name = "WCD AIF1 Playback",
3401 			.rates = WCD938X_RATES_MASK | WCD938X_FRAC_RATES_MASK,
3402 			.formats = WCD938X_FORMATS_S16_S24_LE,
3403 			.rate_max = 192000,
3404 			.rate_min = 8000,
3405 			.channels_min = 1,
3406 			.channels_max = 2,
3407 		},
3408 		.ops = &wcd938x_sdw_dai_ops,
3409 	},
3410 	[1] = {
3411 		.name = "wcd938x-sdw-tx",
3412 		.capture = {
3413 			.stream_name = "WCD AIF1 Capture",
3414 			.rates = WCD938X_RATES_MASK,
3415 			.formats = SNDRV_PCM_FMTBIT_S16_LE,
3416 			.rate_min = 8000,
3417 			.rate_max = 192000,
3418 			.channels_min = 1,
3419 			.channels_max = 4,
3420 		},
3421 		.ops = &wcd938x_sdw_dai_ops,
3422 	},
3423 };
3424 
wcd938x_bind(struct device * dev)3425 static int wcd938x_bind(struct device *dev)
3426 {
3427 	struct wcd938x_priv *wcd938x = dev_get_drvdata(dev);
3428 	int ret;
3429 
3430 	ret = component_bind_all(dev, wcd938x);
3431 	if (ret) {
3432 		dev_err(dev, "%s: Slave bind failed, ret = %d\n",
3433 			__func__, ret);
3434 		return ret;
3435 	}
3436 
3437 	wcd938x->rxdev = wcd938x_sdw_device_get(wcd938x->rxnode);
3438 	if (!wcd938x->rxdev) {
3439 		dev_err(dev, "could not find slave with matching of node\n");
3440 		ret = -EINVAL;
3441 		goto err_unbind;
3442 	}
3443 	wcd938x->sdw_priv[AIF1_PB] = dev_get_drvdata(wcd938x->rxdev);
3444 	wcd938x->sdw_priv[AIF1_PB]->wcd938x = wcd938x;
3445 
3446 	wcd938x->txdev = wcd938x_sdw_device_get(wcd938x->txnode);
3447 	if (!wcd938x->txdev) {
3448 		dev_err(dev, "could not find txslave with matching of node\n");
3449 		ret = -EINVAL;
3450 		goto err_put_rxdev;
3451 	}
3452 	wcd938x->sdw_priv[AIF1_CAP] = dev_get_drvdata(wcd938x->txdev);
3453 	wcd938x->sdw_priv[AIF1_CAP]->wcd938x = wcd938x;
3454 	wcd938x->tx_sdw_dev = dev_to_sdw_dev(wcd938x->txdev);
3455 
3456 	/* As TX is main CSR reg interface, which should not be suspended first.
3457 	 * expicilty add the dependency link */
3458 	if (!device_link_add(wcd938x->rxdev, wcd938x->txdev, DL_FLAG_STATELESS |
3459 			    DL_FLAG_PM_RUNTIME)) {
3460 		dev_err(dev, "could not devlink tx and rx\n");
3461 		ret = -EINVAL;
3462 		goto err_put_txdev;
3463 	}
3464 
3465 	if (!device_link_add(dev, wcd938x->txdev, DL_FLAG_STATELESS |
3466 					DL_FLAG_PM_RUNTIME)) {
3467 		dev_err(dev, "could not devlink wcd and tx\n");
3468 		ret = -EINVAL;
3469 		goto err_remove_rxtx_link;
3470 	}
3471 
3472 	if (!device_link_add(dev, wcd938x->rxdev, DL_FLAG_STATELESS |
3473 					DL_FLAG_PM_RUNTIME)) {
3474 		dev_err(dev, "could not devlink wcd and rx\n");
3475 		ret = -EINVAL;
3476 		goto err_remove_tx_link;
3477 	}
3478 
3479 	wcd938x->regmap = dev_get_regmap(&wcd938x->tx_sdw_dev->dev, NULL);
3480 	if (!wcd938x->regmap) {
3481 		dev_err(dev, "could not get TX device regmap\n");
3482 		ret = -EINVAL;
3483 		goto err_remove_rx_link;
3484 	}
3485 
3486 	ret = wcd938x_irq_init(wcd938x, dev);
3487 	if (ret) {
3488 		dev_err(dev, "%s: IRQ init failed: %d\n", __func__, ret);
3489 		goto err_remove_rx_link;
3490 	}
3491 
3492 	wcd938x->sdw_priv[AIF1_PB]->slave_irq = wcd938x->virq;
3493 	wcd938x->sdw_priv[AIF1_CAP]->slave_irq = wcd938x->virq;
3494 
3495 	ret = wcd938x_set_micbias_data(wcd938x);
3496 	if (ret < 0) {
3497 		dev_err(dev, "%s: bad micbias pdata\n", __func__);
3498 		goto err_remove_rx_link;
3499 	}
3500 
3501 	ret = snd_soc_register_component(dev, &soc_codec_dev_wcd938x,
3502 					 wcd938x_dais, ARRAY_SIZE(wcd938x_dais));
3503 	if (ret) {
3504 		dev_err(dev, "%s: Codec registration failed\n",
3505 				__func__);
3506 		goto err_remove_rx_link;
3507 	}
3508 
3509 	return 0;
3510 
3511 err_remove_rx_link:
3512 	device_link_remove(dev, wcd938x->rxdev);
3513 err_remove_tx_link:
3514 	device_link_remove(dev, wcd938x->txdev);
3515 err_remove_rxtx_link:
3516 	device_link_remove(wcd938x->rxdev, wcd938x->txdev);
3517 err_put_txdev:
3518 	put_device(wcd938x->txdev);
3519 err_put_rxdev:
3520 	put_device(wcd938x->rxdev);
3521 err_unbind:
3522 	component_unbind_all(dev, wcd938x);
3523 
3524 	return ret;
3525 }
3526 
wcd938x_unbind(struct device * dev)3527 static void wcd938x_unbind(struct device *dev)
3528 {
3529 	struct wcd938x_priv *wcd938x = dev_get_drvdata(dev);
3530 
3531 	snd_soc_unregister_component(dev);
3532 	device_link_remove(dev, wcd938x->txdev);
3533 	device_link_remove(dev, wcd938x->rxdev);
3534 	device_link_remove(wcd938x->rxdev, wcd938x->txdev);
3535 	put_device(wcd938x->txdev);
3536 	put_device(wcd938x->rxdev);
3537 	component_unbind_all(dev, wcd938x);
3538 }
3539 
3540 static const struct component_master_ops wcd938x_comp_ops = {
3541 	.bind   = wcd938x_bind,
3542 	.unbind = wcd938x_unbind,
3543 };
3544 
wcd938x_add_slave_components(struct wcd938x_priv * wcd938x,struct device * dev,struct component_match ** matchptr)3545 static int wcd938x_add_slave_components(struct wcd938x_priv *wcd938x,
3546 					struct device *dev,
3547 					struct component_match **matchptr)
3548 {
3549 	struct device_node *np;
3550 
3551 	np = dev->of_node;
3552 
3553 	wcd938x->rxnode = of_parse_phandle(np, "qcom,rx-device", 0);
3554 	if (!wcd938x->rxnode) {
3555 		dev_err(dev, "%s: Rx-device node not defined\n", __func__);
3556 		return -ENODEV;
3557 	}
3558 
3559 	of_node_get(wcd938x->rxnode);
3560 	component_match_add_release(dev, matchptr, component_release_of,
3561 				    component_compare_of, wcd938x->rxnode);
3562 
3563 	wcd938x->txnode = of_parse_phandle(np, "qcom,tx-device", 0);
3564 	if (!wcd938x->txnode) {
3565 		dev_err(dev, "%s: Tx-device node not defined\n", __func__);
3566 		return -ENODEV;
3567 	}
3568 	of_node_get(wcd938x->txnode);
3569 	component_match_add_release(dev, matchptr, component_release_of,
3570 				    component_compare_of, wcd938x->txnode);
3571 	return 0;
3572 }
3573 
wcd938x_probe(struct platform_device * pdev)3574 static int wcd938x_probe(struct platform_device *pdev)
3575 {
3576 	struct component_match *match = NULL;
3577 	struct wcd938x_priv *wcd938x = NULL;
3578 	struct device *dev = &pdev->dev;
3579 	int ret;
3580 
3581 	wcd938x = devm_kzalloc(dev, sizeof(struct wcd938x_priv),
3582 				GFP_KERNEL);
3583 	if (!wcd938x)
3584 		return -ENOMEM;
3585 
3586 	dev_set_drvdata(dev, wcd938x);
3587 	mutex_init(&wcd938x->micb_lock);
3588 
3589 	ret = wcd938x_populate_dt_data(wcd938x, dev);
3590 	if (ret) {
3591 		dev_err(dev, "%s: Fail to obtain platform data\n", __func__);
3592 		return ret;
3593 	}
3594 
3595 	ret = wcd938x_add_slave_components(wcd938x, dev, &match);
3596 	if (ret)
3597 		goto err_disable_regulators;
3598 
3599 	wcd938x_reset(wcd938x);
3600 
3601 	ret = component_master_add_with_match(dev, &wcd938x_comp_ops, match);
3602 	if (ret)
3603 		goto err_disable_regulators;
3604 
3605 	pm_runtime_set_autosuspend_delay(dev, 1000);
3606 	pm_runtime_use_autosuspend(dev);
3607 	pm_runtime_mark_last_busy(dev);
3608 	pm_runtime_set_active(dev);
3609 	pm_runtime_enable(dev);
3610 	pm_runtime_idle(dev);
3611 
3612 	return 0;
3613 
3614 err_disable_regulators:
3615 	regulator_bulk_disable(WCD938X_MAX_SUPPLY, wcd938x->supplies);
3616 	regulator_bulk_free(WCD938X_MAX_SUPPLY, wcd938x->supplies);
3617 
3618 	return ret;
3619 }
3620 
wcd938x_remove(struct platform_device * pdev)3621 static void wcd938x_remove(struct platform_device *pdev)
3622 {
3623 	struct device *dev = &pdev->dev;
3624 	struct wcd938x_priv *wcd938x = dev_get_drvdata(dev);
3625 
3626 	component_master_del(dev, &wcd938x_comp_ops);
3627 
3628 	pm_runtime_disable(dev);
3629 	pm_runtime_set_suspended(dev);
3630 	pm_runtime_dont_use_autosuspend(dev);
3631 
3632 	regulator_bulk_disable(WCD938X_MAX_SUPPLY, wcd938x->supplies);
3633 	regulator_bulk_free(WCD938X_MAX_SUPPLY, wcd938x->supplies);
3634 }
3635 
3636 #if defined(CONFIG_OF)
3637 static const struct of_device_id wcd938x_dt_match[] = {
3638 	{ .compatible = "qcom,wcd9380-codec" },
3639 	{ .compatible = "qcom,wcd9385-codec" },
3640 	{}
3641 };
3642 MODULE_DEVICE_TABLE(of, wcd938x_dt_match);
3643 #endif
3644 
3645 static struct platform_driver wcd938x_codec_driver = {
3646 	.probe = wcd938x_probe,
3647 	.remove_new = wcd938x_remove,
3648 	.driver = {
3649 		.name = "wcd938x_codec",
3650 		.of_match_table = of_match_ptr(wcd938x_dt_match),
3651 		.suppress_bind_attrs = true,
3652 	},
3653 };
3654 
3655 module_platform_driver(wcd938x_codec_driver);
3656 MODULE_DESCRIPTION("WCD938X Codec driver");
3657 MODULE_LICENSE("GPL");
3658