1 // SPDX-License-Identifier: GPL-2.0
2 // Copyright (c) 2016, The Linux Foundation. All rights reserved.
3 
4 #include <linux/module.h>
5 #include <linux/err.h>
6 #include <linux/kernel.h>
7 #include <linux/delay.h>
8 #include <linux/regulator/consumer.h>
9 #include <linux/types.h>
10 #include <linux/clk.h>
11 #include <linux/of.h>
12 #include <linux/platform_device.h>
13 #include <linux/regmap.h>
14 #include <sound/soc.h>
15 #include <sound/pcm.h>
16 #include <sound/pcm_params.h>
17 #include <sound/tlv.h>
18 #include <sound/jack.h>
19 
20 #define CDC_D_REVISION1			(0xf000)
21 #define CDC_D_PERPH_SUBTYPE		(0xf005)
22 #define CDC_D_INT_EN_SET		(0xf015)
23 #define CDC_D_INT_EN_CLR		(0xf016)
24 #define MBHC_SWITCH_INT			BIT(7)
25 #define MBHC_MIC_ELECTRICAL_INS_REM_DET	BIT(6)
26 #define MBHC_BUTTON_PRESS_DET		BIT(5)
27 #define MBHC_BUTTON_RELEASE_DET		BIT(4)
28 #define CDC_D_CDC_RST_CTL		(0xf046)
29 #define RST_CTL_DIG_SW_RST_N_MASK	BIT(7)
30 #define RST_CTL_DIG_SW_RST_N_RESET	0
31 #define RST_CTL_DIG_SW_RST_N_REMOVE_RESET BIT(7)
32 
33 #define CDC_D_CDC_TOP_CLK_CTL		(0xf048)
34 #define TOP_CLK_CTL_A_MCLK_MCLK2_EN_MASK (BIT(2) | BIT(3))
35 #define TOP_CLK_CTL_A_MCLK_EN_ENABLE	 BIT(2)
36 #define TOP_CLK_CTL_A_MCLK2_EN_ENABLE	BIT(3)
37 
38 #define CDC_D_CDC_ANA_CLK_CTL		(0xf049)
39 #define ANA_CLK_CTL_EAR_HPHR_CLK_EN_MASK BIT(0)
40 #define ANA_CLK_CTL_EAR_HPHR_CLK_EN	BIT(0)
41 #define ANA_CLK_CTL_EAR_HPHL_CLK_EN	BIT(1)
42 #define ANA_CLK_CTL_SPKR_CLK_EN_MASK	BIT(4)
43 #define ANA_CLK_CTL_SPKR_CLK_EN	BIT(4)
44 #define ANA_CLK_CTL_TXA_CLK25_EN	BIT(5)
45 
46 #define CDC_D_CDC_DIG_CLK_CTL		(0xf04A)
47 #define DIG_CLK_CTL_RXD1_CLK_EN		BIT(0)
48 #define DIG_CLK_CTL_RXD2_CLK_EN		BIT(1)
49 #define DIG_CLK_CTL_RXD3_CLK_EN		BIT(2)
50 #define DIG_CLK_CTL_D_MBHC_CLK_EN_MASK	BIT(3)
51 #define DIG_CLK_CTL_D_MBHC_CLK_EN	BIT(3)
52 #define DIG_CLK_CTL_TXD_CLK_EN		BIT(4)
53 #define DIG_CLK_CTL_NCP_CLK_EN_MASK	BIT(6)
54 #define DIG_CLK_CTL_NCP_CLK_EN		BIT(6)
55 #define DIG_CLK_CTL_RXD_PDM_CLK_EN_MASK	BIT(7)
56 #define DIG_CLK_CTL_RXD_PDM_CLK_EN	BIT(7)
57 
58 #define CDC_D_CDC_CONN_TX1_CTL		(0xf050)
59 #define CONN_TX1_SERIAL_TX1_MUX		GENMASK(1, 0)
60 #define CONN_TX1_SERIAL_TX1_ADC_1	0x0
61 #define CONN_TX1_SERIAL_TX1_RX_PDM_LB	0x1
62 #define CONN_TX1_SERIAL_TX1_ZERO	0x2
63 
64 #define CDC_D_CDC_CONN_TX2_CTL		(0xf051)
65 #define CONN_TX2_SERIAL_TX2_MUX		GENMASK(1, 0)
66 #define CONN_TX2_SERIAL_TX2_ADC_2	0x0
67 #define CONN_TX2_SERIAL_TX2_RX_PDM_LB	0x1
68 #define CONN_TX2_SERIAL_TX2_ZERO	0x2
69 #define CDC_D_CDC_CONN_HPHR_DAC_CTL	(0xf052)
70 #define CDC_D_CDC_CONN_RX1_CTL		(0xf053)
71 #define CDC_D_CDC_CONN_RX2_CTL		(0xf054)
72 #define CDC_D_CDC_CONN_RX3_CTL		(0xf055)
73 #define CDC_D_CDC_CONN_RX_LB_CTL	(0xf056)
74 #define CDC_D_SEC_ACCESS		(0xf0D0)
75 #define CDC_D_PERPH_RESET_CTL3		(0xf0DA)
76 #define CDC_D_PERPH_RESET_CTL4		(0xf0DB)
77 #define CDC_A_REVISION1			(0xf100)
78 #define CDC_A_REVISION2			(0xf101)
79 #define CDC_A_REVISION3			(0xf102)
80 #define CDC_A_REVISION4			(0xf103)
81 #define CDC_A_PERPH_TYPE		(0xf104)
82 #define CDC_A_PERPH_SUBTYPE		(0xf105)
83 #define CDC_A_INT_RT_STS		(0xf110)
84 #define CDC_A_INT_SET_TYPE		(0xf111)
85 #define CDC_A_INT_POLARITY_HIGH		(0xf112)
86 #define CDC_A_INT_POLARITY_LOW		(0xf113)
87 #define CDC_A_INT_LATCHED_CLR		(0xf114)
88 #define CDC_A_INT_EN_SET		(0xf115)
89 #define CDC_A_INT_EN_CLR		(0xf116)
90 #define CDC_A_INT_LATCHED_STS		(0xf118)
91 #define CDC_A_INT_PENDING_STS		(0xf119)
92 #define CDC_A_INT_MID_SEL		(0xf11A)
93 #define CDC_A_INT_PRIORITY		(0xf11B)
94 #define CDC_A_MICB_1_EN			(0xf140)
95 #define MICB_1_EN_MICB_ENABLE		BIT(7)
96 #define MICB_1_EN_BYP_CAP_MASK		BIT(6)
97 #define MICB_1_EN_NO_EXT_BYP_CAP	BIT(6)
98 #define MICB_1_EN_EXT_BYP_CAP		0
99 #define MICB_1_EN_PULL_DOWN_EN_MASK	BIT(5)
100 #define MICB_1_EN_PULL_DOWN_EN_ENABLE	BIT(5)
101 #define MICB_1_EN_OPA_STG2_TAIL_CURR_MASK GENMASK(3, 1)
102 #define MICB_1_EN_OPA_STG2_TAIL_CURR_1_60UA	(0x4)
103 #define MICB_1_EN_PULL_UP_EN_MASK	BIT(4)
104 #define MICB_1_EN_TX3_GND_SEL_MASK	BIT(0)
105 #define MICB_1_EN_TX3_GND_SEL_TX_GND	0
106 
107 #define CDC_A_MICB_1_VAL		(0xf141)
108 #define MICB_MIN_VAL 1600
109 #define MICB_STEP_SIZE 50
110 #define MICB_VOLTAGE_REGVAL(v)		(((v - MICB_MIN_VAL)/MICB_STEP_SIZE) << 3)
111 #define MICB_1_VAL_MICB_OUT_VAL_MASK	GENMASK(7, 3)
112 #define MICB_1_VAL_MICB_OUT_VAL_V2P70V	((0x16)  << 3)
113 #define MICB_1_VAL_MICB_OUT_VAL_V1P80V	((0x4)  << 3)
114 #define CDC_A_MICB_1_CTL		(0xf142)
115 
116 #define MICB_1_CTL_CFILT_REF_SEL_MASK		BIT(1)
117 #define MICB_1_CTL_CFILT_REF_SEL_HPF_REF	BIT(1)
118 #define MICB_1_CTL_EXT_PRECHARG_EN_MASK		BIT(5)
119 #define MICB_1_CTL_EXT_PRECHARG_EN_ENABLE	BIT(5)
120 #define MICB_1_CTL_INT_PRECHARG_BYP_MASK	BIT(6)
121 #define MICB_1_CTL_INT_PRECHARG_BYP_EXT_PRECHRG_SEL	BIT(6)
122 
123 #define CDC_A_MICB_1_INT_RBIAS			(0xf143)
124 #define MICB_1_INT_TX1_INT_RBIAS_EN_MASK	BIT(7)
125 #define MICB_1_INT_TX1_INT_RBIAS_EN_ENABLE	BIT(7)
126 #define MICB_1_INT_TX1_INT_RBIAS_EN_DISABLE	0
127 
128 #define MICB_1_INT_TX1_INT_PULLUP_EN_MASK	BIT(6)
129 #define MICB_1_INT_TX1_INT_PULLUP_EN_TX1N_TO_MICBIAS BIT(6)
130 #define MICB_1_INT_TX1_INT_PULLUP_EN_TX1N_TO_GND	0
131 
132 #define MICB_1_INT_TX2_INT_RBIAS_EN_MASK	BIT(4)
133 #define MICB_1_INT_TX2_INT_RBIAS_EN_ENABLE	BIT(4)
134 #define MICB_1_INT_TX2_INT_RBIAS_EN_DISABLE	0
135 #define MICB_1_INT_TX2_INT_PULLUP_EN_MASK	BIT(3)
136 #define MICB_1_INT_TX2_INT_PULLUP_EN_TX1N_TO_MICBIAS BIT(3)
137 #define MICB_1_INT_TX2_INT_PULLUP_EN_TX1N_TO_GND	0
138 
139 #define MICB_1_INT_TX3_INT_RBIAS_EN_MASK	BIT(1)
140 #define MICB_1_INT_TX3_INT_RBIAS_EN_ENABLE	BIT(1)
141 #define MICB_1_INT_TX3_INT_RBIAS_EN_DISABLE	0
142 #define MICB_1_INT_TX3_INT_PULLUP_EN_MASK	BIT(0)
143 #define MICB_1_INT_TX3_INT_PULLUP_EN_TX1N_TO_MICBIAS BIT(0)
144 #define MICB_1_INT_TX3_INT_PULLUP_EN_TX1N_TO_GND	0
145 
146 #define CDC_A_MICB_2_EN			(0xf144)
147 #define CDC_A_MICB_2_EN_ENABLE		BIT(7)
148 #define CDC_A_MICB_2_PULL_DOWN_EN_MASK	BIT(5)
149 #define CDC_A_MICB_2_PULL_DOWN_EN	BIT(5)
150 #define CDC_A_TX_1_2_ATEST_CTL_2	(0xf145)
151 #define CDC_A_MASTER_BIAS_CTL		(0xf146)
152 #define CDC_A_MBHC_DET_CTL_1		(0xf147)
153 #define CDC_A_MBHC_DET_CTL_L_DET_EN			BIT(7)
154 #define CDC_A_MBHC_DET_CTL_GND_DET_EN			BIT(6)
155 #define CDC_A_MBHC_DET_CTL_MECH_DET_TYPE_INSERTION	BIT(5)
156 #define CDC_A_MBHC_DET_CTL_MECH_DET_TYPE_REMOVAL	(0)
157 #define CDC_A_MBHC_DET_CTL_MECH_DET_TYPE_MASK		BIT(5)
158 #define CDC_A_MBHC_DET_CTL_MECH_DET_TYPE_SHIFT		(5)
159 #define CDC_A_MBHC_DET_CTL_MIC_CLAMP_CTL_AUTO		BIT(4)
160 #define CDC_A_MBHC_DET_CTL_MIC_CLAMP_CTL_MANUAL		BIT(3)
161 #define CDC_A_MBHC_DET_CTL_MIC_CLAMP_CTL_MASK		GENMASK(4, 3)
162 #define CDC_A_MBHC_DET_CTL_MBHC_BIAS_EN			BIT(2)
163 #define CDC_A_MBHC_DET_CTL_2		(0xf150)
164 #define CDC_A_MBHC_DET_CTL_HS_L_DET_PULL_UP_CTRL_I_3P0	(BIT(7) | BIT(6))
165 #define CDC_A_MBHC_DET_CTL_HS_L_DET_COMPA_CTRL_V0P9_VDD	BIT(5)
166 #define CDC_A_PLUG_TYPE_MASK				GENMASK(4, 3)
167 #define CDC_A_HPHL_PLUG_TYPE_NO				BIT(4)
168 #define CDC_A_GND_PLUG_TYPE_NO				BIT(3)
169 #define CDC_A_MBHC_DET_CTL_HPHL_100K_TO_GND_EN_MASK	BIT(0)
170 #define CDC_A_MBHC_DET_CTL_HPHL_100K_TO_GND_EN		BIT(0)
171 #define CDC_A_MBHC_FSM_CTL		(0xf151)
172 #define CDC_A_MBHC_FSM_CTL_MBHC_FSM_EN			BIT(7)
173 #define CDC_A_MBHC_FSM_CTL_MBHC_FSM_EN_MASK		BIT(7)
174 #define CDC_A_MBHC_FSM_CTL_BTN_ISRC_CTRL_I_100UA	(0x3 << 4)
175 #define CDC_A_MBHC_FSM_CTL_BTN_ISRC_CTRL_MASK		GENMASK(6, 4)
176 #define CDC_A_MBHC_DBNC_TIMER		(0xf152)
177 #define CDC_A_MBHC_DBNC_TIMER_BTN_DBNC_T_16MS		BIT(3)
178 #define CDC_A_MBHC_DBNC_TIMER_INSREM_DBNC_T_256_MS	(0x9 << 4)
179 #define CDC_A_MBHC_BTN0_ZDET_CTL_0	(0xf153)
180 #define CDC_A_MBHC_BTN1_ZDET_CTL_1	(0xf154)
181 #define CDC_A_MBHC_BTN2_ZDET_CTL_2	(0xf155)
182 #define CDC_A_MBHC_BTN3_CTL		(0xf156)
183 #define CDC_A_MBHC_BTN4_CTL		(0xf157)
184 #define CDC_A_MBHC_BTN_VREF_FINE_SHIFT	(2)
185 #define CDC_A_MBHC_BTN_VREF_FINE_MASK	GENMASK(4, 2)
186 #define CDC_A_MBHC_BTN_VREF_COARSE_MASK	GENMASK(7, 5)
187 #define CDC_A_MBHC_BTN_VREF_COARSE_SHIFT (5)
188 #define CDC_A_MBHC_BTN_VREF_MASK	(CDC_A_MBHC_BTN_VREF_COARSE_MASK | \
189 					CDC_A_MBHC_BTN_VREF_FINE_MASK)
190 #define CDC_A_MBHC_RESULT_1		(0xf158)
191 #define CDC_A_MBHC_RESULT_1_BTN_RESULT_MASK	GENMASK(4, 0)
192 #define CDC_A_TX_1_EN			(0xf160)
193 #define CDC_A_TX_2_EN			(0xf161)
194 #define CDC_A_TX_1_2_TEST_CTL_1		(0xf162)
195 #define CDC_A_TX_1_2_TEST_CTL_2		(0xf163)
196 #define CDC_A_TX_1_2_ATEST_CTL		(0xf164)
197 #define CDC_A_TX_1_2_OPAMP_BIAS		(0xf165)
198 #define CDC_A_TX_3_EN			(0xf167)
199 #define CDC_A_NCP_EN			(0xf180)
200 #define CDC_A_NCP_CLK			(0xf181)
201 #define CDC_A_NCP_FBCTRL		(0xf183)
202 #define CDC_A_NCP_FBCTRL_FB_CLK_INV_MASK	BIT(5)
203 #define CDC_A_NCP_FBCTRL_FB_CLK_INV		BIT(5)
204 #define CDC_A_NCP_BIAS			(0xf184)
205 #define CDC_A_NCP_VCTRL			(0xf185)
206 #define CDC_A_NCP_TEST			(0xf186)
207 #define CDC_A_NCP_CLIM_ADDR		(0xf187)
208 #define CDC_A_RX_CLOCK_DIVIDER		(0xf190)
209 #define CDC_A_RX_COM_OCP_CTL		(0xf191)
210 #define CDC_A_RX_COM_OCP_COUNT		(0xf192)
211 #define CDC_A_RX_COM_BIAS_DAC		(0xf193)
212 #define RX_COM_BIAS_DAC_RX_BIAS_EN_MASK		BIT(7)
213 #define RX_COM_BIAS_DAC_RX_BIAS_EN_ENABLE	BIT(7)
214 #define RX_COM_BIAS_DAC_DAC_REF_EN_MASK		BIT(0)
215 #define RX_COM_BIAS_DAC_DAC_REF_EN_ENABLE	BIT(0)
216 
217 #define CDC_A_RX_HPH_BIAS_PA		(0xf194)
218 #define CDC_A_RX_HPH_BIAS_LDO_OCP	(0xf195)
219 #define CDC_A_RX_HPH_BIAS_CNP		(0xf196)
220 #define CDC_A_RX_HPH_CNP_EN		(0xf197)
221 #define CDC_A_RX_HPH_L_PA_DAC_CTL	(0xf19B)
222 #define RX_HPA_L_PA_DAC_CTL_DATA_RESET_MASK	BIT(1)
223 #define RX_HPA_L_PA_DAC_CTL_DATA_RESET_RESET	BIT(1)
224 #define CDC_A_RX_HPH_R_PA_DAC_CTL	(0xf19D)
225 #define RX_HPH_R_PA_DAC_CTL_DATA_RESET	BIT(1)
226 #define RX_HPH_R_PA_DAC_CTL_DATA_RESET_MASK BIT(1)
227 
228 #define CDC_A_RX_EAR_CTL			(0xf19E)
229 #define RX_EAR_CTL_SPK_VBAT_LDO_EN_MASK		BIT(0)
230 #define RX_EAR_CTL_SPK_VBAT_LDO_EN_ENABLE	BIT(0)
231 #define RX_EAR_CTL_PA_EAR_PA_EN_MASK		BIT(6)
232 #define RX_EAR_CTL_PA_EAR_PA_EN_ENABLE		BIT(6)
233 #define RX_EAR_CTL_PA_SEL_MASK			BIT(7)
234 #define RX_EAR_CTL_PA_SEL			BIT(7)
235 
236 #define CDC_A_SPKR_DAC_CTL		(0xf1B0)
237 #define SPKR_DAC_CTL_DAC_RESET_MASK	BIT(4)
238 #define SPKR_DAC_CTL_DAC_RESET_NORMAL	0
239 
240 #define CDC_A_SPKR_DRV_CTL		(0xf1B2)
241 #define SPKR_DRV_CTL_DEF_MASK		0xEF
242 #define SPKR_DRV_CLASSD_PA_EN_MASK	BIT(7)
243 #define SPKR_DRV_CLASSD_PA_EN_ENABLE	BIT(7)
244 #define SPKR_DRV_CAL_EN			BIT(6)
245 #define SPKR_DRV_SETTLE_EN		BIT(5)
246 #define SPKR_DRV_FW_EN			BIT(3)
247 #define SPKR_DRV_BOOST_SET		BIT(2)
248 #define SPKR_DRV_CMFB_SET		BIT(1)
249 #define SPKR_DRV_GAIN_SET		BIT(0)
250 #define SPKR_DRV_CTL_DEF_VAL (SPKR_DRV_CLASSD_PA_EN_ENABLE | \
251 		SPKR_DRV_CAL_EN | SPKR_DRV_SETTLE_EN | \
252 		SPKR_DRV_FW_EN | SPKR_DRV_BOOST_SET | \
253 		SPKR_DRV_CMFB_SET | SPKR_DRV_GAIN_SET)
254 #define CDC_A_SPKR_OCP_CTL		(0xf1B4)
255 #define CDC_A_SPKR_PWRSTG_CTL		(0xf1B5)
256 #define SPKR_PWRSTG_CTL_DAC_EN_MASK	BIT(0)
257 #define SPKR_PWRSTG_CTL_DAC_EN		BIT(0)
258 #define SPKR_PWRSTG_CTL_MASK		0xE0
259 #define SPKR_PWRSTG_CTL_BBM_MASK	BIT(7)
260 #define SPKR_PWRSTG_CTL_BBM_EN		BIT(7)
261 #define SPKR_PWRSTG_CTL_HBRDGE_EN_MASK	BIT(6)
262 #define SPKR_PWRSTG_CTL_HBRDGE_EN	BIT(6)
263 #define SPKR_PWRSTG_CTL_CLAMP_EN_MASK	BIT(5)
264 #define SPKR_PWRSTG_CTL_CLAMP_EN	BIT(5)
265 
266 #define CDC_A_SPKR_DRV_DBG		(0xf1B7)
267 #define CDC_A_CURRENT_LIMIT		(0xf1C0)
268 #define CDC_A_BOOST_EN_CTL		(0xf1C3)
269 #define CDC_A_SLOPE_COMP_IP_ZERO	(0xf1C4)
270 #define CDC_A_SEC_ACCESS		(0xf1D0)
271 #define CDC_A_PERPH_RESET_CTL3		(0xf1DA)
272 #define CDC_A_PERPH_RESET_CTL4		(0xf1DB)
273 
274 #define MSM8916_WCD_ANALOG_RATES (SNDRV_PCM_RATE_8000 | SNDRV_PCM_RATE_16000 |\
275 			SNDRV_PCM_RATE_32000 | SNDRV_PCM_RATE_48000)
276 #define MSM8916_WCD_ANALOG_FORMATS (SNDRV_PCM_FMTBIT_S16_LE |\
277 				    SNDRV_PCM_FMTBIT_S32_LE)
278 
279 static int btn_mask = SND_JACK_BTN_0 | SND_JACK_BTN_1 |
280 	       SND_JACK_BTN_2 | SND_JACK_BTN_3 | SND_JACK_BTN_4;
281 static int hs_jack_mask = SND_JACK_HEADPHONE | SND_JACK_HEADSET;
282 
283 static const char * const supply_names[] = {
284 	"vdd-cdc-io",
285 	"vdd-cdc-tx-rx-cx",
286 };
287 
288 #define MBHC_MAX_BUTTONS	(5)
289 
290 struct pm8916_wcd_analog_priv {
291 	u16 pmic_rev;
292 	u16 codec_version;
293 	bool	mbhc_btn_enabled;
294 	/* special event to detect accessory type */
295 	int	mbhc_btn0_released;
296 	bool	detect_accessory_type;
297 	struct clk *mclk;
298 	struct snd_soc_component *component;
299 	struct regulator_bulk_data supplies[ARRAY_SIZE(supply_names)];
300 	struct snd_soc_jack *jack;
301 	bool hphl_jack_type_normally_open;
302 	bool gnd_jack_type_normally_open;
303 	/* Voltage threshold when internal current source of 100uA is used */
304 	u32 vref_btn_cs[MBHC_MAX_BUTTONS];
305 	/* Voltage threshold when microphone bias is ON */
306 	u32 vref_btn_micb[MBHC_MAX_BUTTONS];
307 	unsigned int micbias1_cap_mode;
308 	unsigned int micbias2_cap_mode;
309 	unsigned int micbias_mv;
310 };
311 
312 static const char *const adc2_mux_text[] = { "ZERO", "INP2", "INP3" };
313 static const char *const rdac2_mux_text[] = { "RX1", "RX2" };
314 static const char *const hph_text[] = { "ZERO", "Switch", };
315 
316 static const struct soc_enum hph_enum = SOC_ENUM_SINGLE_VIRT(
317 					ARRAY_SIZE(hph_text), hph_text);
318 
319 static const struct snd_kcontrol_new ear_mux = SOC_DAPM_ENUM("EAR_S", hph_enum);
320 static const struct snd_kcontrol_new hphl_mux = SOC_DAPM_ENUM("HPHL", hph_enum);
321 static const struct snd_kcontrol_new hphr_mux = SOC_DAPM_ENUM("HPHR", hph_enum);
322 
323 /* ADC2 MUX */
324 static const struct soc_enum adc2_enum = SOC_ENUM_SINGLE_VIRT(
325 			ARRAY_SIZE(adc2_mux_text), adc2_mux_text);
326 
327 /* RDAC2 MUX */
328 static const struct soc_enum rdac2_mux_enum = SOC_ENUM_SINGLE(
329 			CDC_D_CDC_CONN_HPHR_DAC_CTL, 0, 2, rdac2_mux_text);
330 
331 static const struct snd_kcontrol_new spkr_switch[] = {
332 	SOC_DAPM_SINGLE("Switch", CDC_A_SPKR_DAC_CTL, 7, 1, 0)
333 };
334 
335 static const struct snd_kcontrol_new rdac2_mux = SOC_DAPM_ENUM(
336 					"RDAC2 MUX Mux", rdac2_mux_enum);
337 static const struct snd_kcontrol_new tx_adc2_mux = SOC_DAPM_ENUM(
338 					"ADC2 MUX Mux", adc2_enum);
339 
340 /* Analog Gain control 0 dB to +24 dB in 6 dB steps */
341 static const DECLARE_TLV_DB_SCALE(analog_gain, 0, 600, 0);
342 
343 static const struct snd_kcontrol_new pm8916_wcd_analog_snd_controls[] = {
344 	SOC_SINGLE_TLV("ADC1 Volume", CDC_A_TX_1_EN, 3, 8, 0, analog_gain),
345 	SOC_SINGLE_TLV("ADC2 Volume", CDC_A_TX_2_EN, 3, 8, 0, analog_gain),
346 	SOC_SINGLE_TLV("ADC3 Volume", CDC_A_TX_3_EN, 3, 8, 0, analog_gain),
347 };
348 
349 static void pm8916_wcd_analog_micbias_enable(struct snd_soc_component *component)
350 {
351 	struct pm8916_wcd_analog_priv *wcd = snd_soc_component_get_drvdata(component);
352 
353 	snd_soc_component_update_bits(component, CDC_A_MICB_1_CTL,
354 			    MICB_1_CTL_EXT_PRECHARG_EN_MASK |
355 			    MICB_1_CTL_INT_PRECHARG_BYP_MASK,
356 			    MICB_1_CTL_INT_PRECHARG_BYP_EXT_PRECHRG_SEL
357 			    | MICB_1_CTL_EXT_PRECHARG_EN_ENABLE);
358 
359 	if (wcd->micbias_mv) {
360 		snd_soc_component_update_bits(component, CDC_A_MICB_1_VAL,
361 				    MICB_1_VAL_MICB_OUT_VAL_MASK,
362 				    MICB_VOLTAGE_REGVAL(wcd->micbias_mv));
363 		/*
364 		 * Special headset needs MICBIAS as 2.7V so wait for
365 		 * 50 msec for the MICBIAS to reach 2.7 volts.
366 		 */
367 		if (wcd->micbias_mv >= 2700)
368 			msleep(50);
369 	}
370 
371 	snd_soc_component_update_bits(component, CDC_A_MICB_1_CTL,
372 			    MICB_1_CTL_EXT_PRECHARG_EN_MASK |
373 			    MICB_1_CTL_INT_PRECHARG_BYP_MASK, 0);
374 
375 }
376 
377 static int pm8916_wcd_analog_enable_micbias(struct snd_soc_component *component,
378 					    int event, unsigned int cap_mode)
379 {
380 	switch (event) {
381 	case SND_SOC_DAPM_POST_PMU:
382 		pm8916_wcd_analog_micbias_enable(component);
383 		snd_soc_component_update_bits(component, CDC_A_MICB_1_EN,
384 				    MICB_1_EN_BYP_CAP_MASK, cap_mode);
385 		break;
386 	}
387 
388 	return 0;
389 }
390 
391 static int pm8916_wcd_analog_enable_micbias_int(struct snd_soc_dapm_widget *w,
392 						struct snd_kcontrol *kcontrol,
393 						int event)
394 {
395 	struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm);
396 
397 	switch (event) {
398 	case SND_SOC_DAPM_PRE_PMU:
399 		snd_soc_component_update_bits(component, CDC_A_MICB_1_EN,
400 				    MICB_1_EN_OPA_STG2_TAIL_CURR_MASK,
401 				    MICB_1_EN_OPA_STG2_TAIL_CURR_1_60UA);
402 		break;
403 	}
404 
405 	return 0;
406 }
407 
408 static int pm8916_wcd_analog_enable_micbias1(struct snd_soc_dapm_widget *w,
409 					     struct snd_kcontrol *kcontrol,
410 					     int event)
411 {
412 	struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm);
413 	struct pm8916_wcd_analog_priv *wcd = snd_soc_component_get_drvdata(component);
414 
415 	return pm8916_wcd_analog_enable_micbias(component, event,
416 						wcd->micbias1_cap_mode);
417 }
418 
419 static int pm8916_wcd_analog_enable_micbias2(struct snd_soc_dapm_widget *w,
420 					     struct snd_kcontrol *kcontrol,
421 					     int event)
422 {
423 	struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm);
424 	struct pm8916_wcd_analog_priv *wcd = snd_soc_component_get_drvdata(component);
425 
426 	return pm8916_wcd_analog_enable_micbias(component, event,
427 						wcd->micbias2_cap_mode);
428 
429 }
430 
431 static int pm8916_mbhc_configure_bias(struct pm8916_wcd_analog_priv *priv,
432 				      bool micbias2_enabled)
433 {
434 	struct snd_soc_component *component = priv->component;
435 	u32 coarse, fine, reg_val, reg_addr;
436 	int *vrefs, i;
437 
438 	if (!micbias2_enabled) { /* use internal 100uA Current source */
439 		/* Enable internal 2.2k Internal Rbias Resistor */
440 		snd_soc_component_update_bits(component, CDC_A_MICB_1_INT_RBIAS,
441 				    MICB_1_INT_TX2_INT_RBIAS_EN_MASK,
442 				    MICB_1_INT_TX2_INT_RBIAS_EN_ENABLE);
443 		/* Remove pull down on MIC BIAS2 */
444 		snd_soc_component_update_bits(component, CDC_A_MICB_2_EN,
445 				   CDC_A_MICB_2_PULL_DOWN_EN_MASK,
446 				   0);
447 		/* enable 100uA internal current source */
448 		snd_soc_component_update_bits(component, CDC_A_MBHC_FSM_CTL,
449 				    CDC_A_MBHC_FSM_CTL_BTN_ISRC_CTRL_MASK,
450 				    CDC_A_MBHC_FSM_CTL_BTN_ISRC_CTRL_I_100UA);
451 	}
452 	snd_soc_component_update_bits(component, CDC_A_MBHC_FSM_CTL,
453 			CDC_A_MBHC_FSM_CTL_MBHC_FSM_EN_MASK,
454 			CDC_A_MBHC_FSM_CTL_MBHC_FSM_EN);
455 
456 	if (micbias2_enabled)
457 		vrefs = &priv->vref_btn_micb[0];
458 	else
459 		vrefs = &priv->vref_btn_cs[0];
460 
461 	/* program vref ranges for all the buttons */
462 	reg_addr = CDC_A_MBHC_BTN0_ZDET_CTL_0;
463 	for (i = 0; i <  MBHC_MAX_BUTTONS; i++) {
464 		/* split mv in to coarse parts of 100mv & fine parts of 12mv */
465 		coarse = (vrefs[i] / 100);
466 		fine = ((vrefs[i] % 100) / 12);
467 		reg_val = (coarse << CDC_A_MBHC_BTN_VREF_COARSE_SHIFT) |
468 			 (fine << CDC_A_MBHC_BTN_VREF_FINE_SHIFT);
469 		snd_soc_component_update_bits(component, reg_addr,
470 			       CDC_A_MBHC_BTN_VREF_MASK,
471 			       reg_val);
472 		reg_addr++;
473 	}
474 
475 	return 0;
476 }
477 
478 static void pm8916_wcd_setup_mbhc(struct pm8916_wcd_analog_priv *wcd)
479 {
480 	struct snd_soc_component *component = wcd->component;
481 	bool micbias_enabled = false;
482 	u32 plug_type = 0;
483 	u32 int_en_mask;
484 
485 	snd_soc_component_write(component, CDC_A_MBHC_DET_CTL_1,
486 		      CDC_A_MBHC_DET_CTL_L_DET_EN |
487 		      CDC_A_MBHC_DET_CTL_MECH_DET_TYPE_INSERTION |
488 		      CDC_A_MBHC_DET_CTL_MIC_CLAMP_CTL_AUTO |
489 		      CDC_A_MBHC_DET_CTL_MBHC_BIAS_EN);
490 
491 	if (wcd->hphl_jack_type_normally_open)
492 		plug_type |= CDC_A_HPHL_PLUG_TYPE_NO;
493 
494 	if (wcd->gnd_jack_type_normally_open)
495 		plug_type |= CDC_A_GND_PLUG_TYPE_NO;
496 
497 	snd_soc_component_write(component, CDC_A_MBHC_DET_CTL_2,
498 		      CDC_A_MBHC_DET_CTL_HS_L_DET_PULL_UP_CTRL_I_3P0 |
499 		      CDC_A_MBHC_DET_CTL_HS_L_DET_COMPA_CTRL_V0P9_VDD |
500 		      plug_type |
501 		      CDC_A_MBHC_DET_CTL_HPHL_100K_TO_GND_EN);
502 
503 
504 	snd_soc_component_write(component, CDC_A_MBHC_DBNC_TIMER,
505 		      CDC_A_MBHC_DBNC_TIMER_INSREM_DBNC_T_256_MS |
506 		      CDC_A_MBHC_DBNC_TIMER_BTN_DBNC_T_16MS);
507 
508 	/* enable MBHC clock */
509 	snd_soc_component_update_bits(component, CDC_D_CDC_DIG_CLK_CTL,
510 			    DIG_CLK_CTL_D_MBHC_CLK_EN_MASK,
511 			    DIG_CLK_CTL_D_MBHC_CLK_EN);
512 
513 	if (snd_soc_component_read(component, CDC_A_MICB_2_EN) & CDC_A_MICB_2_EN_ENABLE)
514 		micbias_enabled = true;
515 
516 	pm8916_mbhc_configure_bias(wcd, micbias_enabled);
517 
518 	int_en_mask = MBHC_SWITCH_INT;
519 	if (wcd->mbhc_btn_enabled)
520 		int_en_mask |= MBHC_BUTTON_PRESS_DET | MBHC_BUTTON_RELEASE_DET;
521 
522 	snd_soc_component_update_bits(component, CDC_D_INT_EN_CLR, int_en_mask, 0);
523 	snd_soc_component_update_bits(component, CDC_D_INT_EN_SET, int_en_mask, int_en_mask);
524 	wcd->mbhc_btn0_released = false;
525 	wcd->detect_accessory_type = true;
526 }
527 
528 static int pm8916_wcd_analog_enable_micbias_int2(struct
529 						  snd_soc_dapm_widget
530 						  *w, struct snd_kcontrol
531 						  *kcontrol, int event)
532 {
533 	struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm);
534 	struct pm8916_wcd_analog_priv *wcd = snd_soc_component_get_drvdata(component);
535 
536 	switch (event) {
537 	case SND_SOC_DAPM_PRE_PMU:
538 		snd_soc_component_update_bits(component, CDC_A_MICB_2_EN,
539 					      CDC_A_MICB_2_PULL_DOWN_EN_MASK, 0);
540 		break;
541 	case SND_SOC_DAPM_POST_PMU:
542 		pm8916_mbhc_configure_bias(wcd, true);
543 		break;
544 	case SND_SOC_DAPM_POST_PMD:
545 		pm8916_mbhc_configure_bias(wcd, false);
546 		break;
547 	}
548 
549 	return pm8916_wcd_analog_enable_micbias_int(w, kcontrol, event);
550 }
551 
552 static int pm8916_wcd_analog_enable_adc(struct snd_soc_dapm_widget *w,
553 					 struct snd_kcontrol *kcontrol,
554 					 int event)
555 {
556 	struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm);
557 	u16 adc_reg = CDC_A_TX_1_2_TEST_CTL_2;
558 	u8 init_bit_shift;
559 
560 	if (w->reg == CDC_A_TX_1_EN)
561 		init_bit_shift = 5;
562 	else
563 		init_bit_shift = 4;
564 
565 	switch (event) {
566 	case SND_SOC_DAPM_PRE_PMU:
567 		if (w->reg == CDC_A_TX_2_EN)
568 			snd_soc_component_update_bits(component, CDC_A_MICB_1_CTL,
569 					    MICB_1_CTL_CFILT_REF_SEL_MASK,
570 					    MICB_1_CTL_CFILT_REF_SEL_HPF_REF);
571 		/*
572 		 * Add delay of 10 ms to give sufficient time for the voltage
573 		 * to shoot up and settle so that the txfe init does not
574 		 * happen when the input voltage is changing too much.
575 		 */
576 		usleep_range(10000, 10010);
577 		snd_soc_component_update_bits(component, adc_reg, 1 << init_bit_shift,
578 				    1 << init_bit_shift);
579 		switch (w->reg) {
580 		case CDC_A_TX_1_EN:
581 			snd_soc_component_update_bits(component, CDC_D_CDC_CONN_TX1_CTL,
582 					    CONN_TX1_SERIAL_TX1_MUX,
583 					    CONN_TX1_SERIAL_TX1_ADC_1);
584 			break;
585 		case CDC_A_TX_2_EN:
586 		case CDC_A_TX_3_EN:
587 			snd_soc_component_update_bits(component, CDC_D_CDC_CONN_TX2_CTL,
588 					    CONN_TX2_SERIAL_TX2_MUX,
589 					    CONN_TX2_SERIAL_TX2_ADC_2);
590 			break;
591 		}
592 		break;
593 	case SND_SOC_DAPM_POST_PMU:
594 		/*
595 		 * Add delay of 12 ms before deasserting the init
596 		 * to reduce the tx pop
597 		 */
598 		usleep_range(12000, 12010);
599 		snd_soc_component_update_bits(component, adc_reg, 1 << init_bit_shift, 0x00);
600 		break;
601 	case SND_SOC_DAPM_POST_PMD:
602 		switch (w->reg) {
603 		case CDC_A_TX_1_EN:
604 			snd_soc_component_update_bits(component, CDC_D_CDC_CONN_TX1_CTL,
605 					    CONN_TX1_SERIAL_TX1_MUX,
606 					    CONN_TX1_SERIAL_TX1_ZERO);
607 			break;
608 		case CDC_A_TX_2_EN:
609 			snd_soc_component_update_bits(component, CDC_A_MICB_1_CTL,
610 					    MICB_1_CTL_CFILT_REF_SEL_MASK, 0);
611 			fallthrough;
612 		case CDC_A_TX_3_EN:
613 			snd_soc_component_update_bits(component, CDC_D_CDC_CONN_TX2_CTL,
614 					    CONN_TX2_SERIAL_TX2_MUX,
615 					    CONN_TX2_SERIAL_TX2_ZERO);
616 			break;
617 		}
618 
619 
620 		break;
621 	}
622 	return 0;
623 }
624 
625 static int pm8916_wcd_analog_enable_spk_pa(struct snd_soc_dapm_widget *w,
626 					    struct snd_kcontrol *kcontrol,
627 					    int event)
628 {
629 	struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm);
630 
631 	switch (event) {
632 	case SND_SOC_DAPM_PRE_PMU:
633 		snd_soc_component_update_bits(component, CDC_A_SPKR_PWRSTG_CTL,
634 				    SPKR_PWRSTG_CTL_DAC_EN_MASK |
635 				    SPKR_PWRSTG_CTL_BBM_MASK |
636 				    SPKR_PWRSTG_CTL_HBRDGE_EN_MASK |
637 				    SPKR_PWRSTG_CTL_CLAMP_EN_MASK,
638 				    SPKR_PWRSTG_CTL_DAC_EN|
639 				    SPKR_PWRSTG_CTL_BBM_EN |
640 				    SPKR_PWRSTG_CTL_HBRDGE_EN |
641 				    SPKR_PWRSTG_CTL_CLAMP_EN);
642 
643 		snd_soc_component_update_bits(component, CDC_A_RX_EAR_CTL,
644 				    RX_EAR_CTL_SPK_VBAT_LDO_EN_MASK,
645 				    RX_EAR_CTL_SPK_VBAT_LDO_EN_ENABLE);
646 		break;
647 	case SND_SOC_DAPM_POST_PMU:
648 		snd_soc_component_update_bits(component, CDC_A_SPKR_DRV_CTL,
649 				    SPKR_DRV_CTL_DEF_MASK,
650 				    SPKR_DRV_CTL_DEF_VAL);
651 		snd_soc_component_update_bits(component, w->reg,
652 				    SPKR_DRV_CLASSD_PA_EN_MASK,
653 				    SPKR_DRV_CLASSD_PA_EN_ENABLE);
654 		break;
655 	case SND_SOC_DAPM_POST_PMD:
656 		snd_soc_component_update_bits(component, CDC_A_SPKR_PWRSTG_CTL,
657 				    SPKR_PWRSTG_CTL_DAC_EN_MASK|
658 				    SPKR_PWRSTG_CTL_BBM_MASK |
659 				    SPKR_PWRSTG_CTL_HBRDGE_EN_MASK |
660 				    SPKR_PWRSTG_CTL_CLAMP_EN_MASK, 0);
661 
662 		snd_soc_component_update_bits(component, CDC_A_SPKR_DAC_CTL,
663 				    SPKR_DAC_CTL_DAC_RESET_MASK,
664 				    SPKR_DAC_CTL_DAC_RESET_NORMAL);
665 		snd_soc_component_update_bits(component, CDC_A_RX_EAR_CTL,
666 				    RX_EAR_CTL_SPK_VBAT_LDO_EN_MASK, 0);
667 		break;
668 	}
669 	return 0;
670 }
671 
672 static int pm8916_wcd_analog_enable_ear_pa(struct snd_soc_dapm_widget *w,
673 					    struct snd_kcontrol *kcontrol,
674 					    int event)
675 {
676 	struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm);
677 
678 	switch (event) {
679 	case SND_SOC_DAPM_PRE_PMU:
680 		snd_soc_component_update_bits(component, CDC_A_RX_EAR_CTL,
681 				    RX_EAR_CTL_PA_SEL_MASK, RX_EAR_CTL_PA_SEL);
682 		break;
683 	case SND_SOC_DAPM_POST_PMU:
684 		snd_soc_component_update_bits(component, CDC_A_RX_EAR_CTL,
685 				    RX_EAR_CTL_PA_EAR_PA_EN_MASK,
686 				    RX_EAR_CTL_PA_EAR_PA_EN_ENABLE);
687 		break;
688 	case SND_SOC_DAPM_POST_PMD:
689 		snd_soc_component_update_bits(component, CDC_A_RX_EAR_CTL,
690 				    RX_EAR_CTL_PA_EAR_PA_EN_MASK, 0);
691 		/* Delay to reduce ear turn off pop */
692 		usleep_range(7000, 7100);
693 		snd_soc_component_update_bits(component, CDC_A_RX_EAR_CTL,
694 				    RX_EAR_CTL_PA_SEL_MASK, 0);
695 		break;
696 	}
697 	return 0;
698 }
699 
700 static const struct reg_default wcd_reg_defaults_2_0[] = {
701 	{CDC_A_RX_COM_OCP_CTL, 0xD1},
702 	{CDC_A_RX_COM_OCP_COUNT, 0xFF},
703 	{CDC_D_SEC_ACCESS, 0xA5},
704 	{CDC_D_PERPH_RESET_CTL3, 0x0F},
705 	{CDC_A_TX_1_2_OPAMP_BIAS, 0x4F},
706 	{CDC_A_NCP_FBCTRL, 0x28},
707 	{CDC_A_SPKR_DRV_CTL, 0x69},
708 	{CDC_A_SPKR_DRV_DBG, 0x01},
709 	{CDC_A_BOOST_EN_CTL, 0x5F},
710 	{CDC_A_SLOPE_COMP_IP_ZERO, 0x88},
711 	{CDC_A_SEC_ACCESS, 0xA5},
712 	{CDC_A_PERPH_RESET_CTL3, 0x0F},
713 	{CDC_A_CURRENT_LIMIT, 0x82},
714 	{CDC_A_SPKR_DAC_CTL, 0x03},
715 	{CDC_A_SPKR_OCP_CTL, 0xE1},
716 	{CDC_A_MASTER_BIAS_CTL, 0x30},
717 };
718 
719 static int pm8916_wcd_analog_probe(struct snd_soc_component *component)
720 {
721 	struct pm8916_wcd_analog_priv *priv = dev_get_drvdata(component->dev);
722 	int err, reg;
723 
724 	err = regulator_bulk_enable(ARRAY_SIZE(priv->supplies), priv->supplies);
725 	if (err != 0) {
726 		dev_err(component->dev, "failed to enable regulators (%d)\n", err);
727 		return err;
728 	}
729 
730 	snd_soc_component_init_regmap(component,
731 				  dev_get_regmap(component->dev->parent, NULL));
732 	snd_soc_component_set_drvdata(component, priv);
733 	priv->pmic_rev = snd_soc_component_read(component, CDC_D_REVISION1);
734 	priv->codec_version = snd_soc_component_read(component, CDC_D_PERPH_SUBTYPE);
735 
736 	dev_info(component->dev, "PMIC REV: %d\t CODEC Version: %d\n",
737 		 priv->pmic_rev, priv->codec_version);
738 
739 	snd_soc_component_write(component, CDC_D_PERPH_RESET_CTL4, 0x01);
740 	snd_soc_component_write(component, CDC_A_PERPH_RESET_CTL4, 0x01);
741 
742 	for (reg = 0; reg < ARRAY_SIZE(wcd_reg_defaults_2_0); reg++)
743 		snd_soc_component_write(component, wcd_reg_defaults_2_0[reg].reg,
744 			      wcd_reg_defaults_2_0[reg].def);
745 
746 	priv->component = component;
747 
748 	snd_soc_component_update_bits(component, CDC_D_CDC_RST_CTL,
749 			    RST_CTL_DIG_SW_RST_N_MASK,
750 			    RST_CTL_DIG_SW_RST_N_REMOVE_RESET);
751 
752 	pm8916_wcd_setup_mbhc(priv);
753 
754 	return 0;
755 }
756 
757 static void pm8916_wcd_analog_remove(struct snd_soc_component *component)
758 {
759 	struct pm8916_wcd_analog_priv *priv = dev_get_drvdata(component->dev);
760 
761 	snd_soc_component_update_bits(component, CDC_D_CDC_RST_CTL,
762 			    RST_CTL_DIG_SW_RST_N_MASK, 0);
763 
764 	regulator_bulk_disable(ARRAY_SIZE(priv->supplies),
765 				      priv->supplies);
766 }
767 
768 static const struct snd_soc_dapm_route pm8916_wcd_analog_audio_map[] = {
769 
770 	{"PDM_RX1", NULL, "PDM Playback"},
771 	{"PDM_RX2", NULL, "PDM Playback"},
772 	{"PDM_RX3", NULL, "PDM Playback"},
773 	{"PDM Capture", NULL, "PDM_TX"},
774 
775 	/* ADC Connections */
776 	{"PDM_TX", NULL, "ADC2"},
777 	{"PDM_TX", NULL, "ADC3"},
778 	{"ADC2", NULL, "ADC2 MUX"},
779 	{"ADC3", NULL, "ADC2 MUX"},
780 	{"ADC2 MUX", "INP2", "ADC2_INP2"},
781 	{"ADC2 MUX", "INP3", "ADC2_INP3"},
782 
783 	{"PDM_TX", NULL, "ADC1"},
784 	{"ADC1", NULL, "AMIC1"},
785 	{"ADC2_INP2", NULL, "AMIC2"},
786 	{"ADC2_INP3", NULL, "AMIC3"},
787 
788 	/* RDAC Connections */
789 	{"HPHR DAC", NULL, "RDAC2 MUX"},
790 	{"RDAC2 MUX", "RX1", "PDM_RX1"},
791 	{"RDAC2 MUX", "RX2", "PDM_RX2"},
792 	{"HPHL DAC", NULL, "PDM_RX1"},
793 	{"PDM_RX1", NULL, "RXD1_CLK"},
794 	{"PDM_RX2", NULL, "RXD2_CLK"},
795 	{"PDM_RX3", NULL, "RXD3_CLK"},
796 
797 	{"PDM_RX1", NULL, "RXD_PDM_CLK"},
798 	{"PDM_RX2", NULL, "RXD_PDM_CLK"},
799 	{"PDM_RX3", NULL, "RXD_PDM_CLK"},
800 
801 	{"ADC1", NULL, "TXD_CLK"},
802 	{"ADC2", NULL, "TXD_CLK"},
803 	{"ADC3", NULL, "TXD_CLK"},
804 
805 	{"ADC1", NULL, "TXA_CLK25"},
806 	{"ADC2", NULL, "TXA_CLK25"},
807 	{"ADC3", NULL, "TXA_CLK25"},
808 
809 	{"PDM_RX1", NULL, "A_MCLK2"},
810 	{"PDM_RX2", NULL, "A_MCLK2"},
811 	{"PDM_RX3", NULL, "A_MCLK2"},
812 
813 	{"PDM_TX", NULL, "A_MCLK2"},
814 	{"A_MCLK2", NULL, "A_MCLK"},
815 
816 	/* Earpiece (RX MIX1) */
817 	{"EAR", NULL, "EAR_S"},
818 	{"EAR_S", "Switch", "EAR PA"},
819 	{"EAR PA", NULL, "RX_BIAS"},
820 	{"EAR PA", NULL, "HPHL DAC"},
821 	{"EAR PA", NULL, "HPHR DAC"},
822 	{"EAR PA", NULL, "EAR CP"},
823 
824 	/* Headset (RX MIX1 and RX MIX2) */
825 	{"HEADPHONE", NULL, "HPHL PA"},
826 	{"HEADPHONE", NULL, "HPHR PA"},
827 
828 	{"HPHL DAC", NULL, "EAR_HPHL_CLK"},
829 	{"HPHR DAC", NULL, "EAR_HPHR_CLK"},
830 
831 	{"CP", NULL, "NCP_CLK"},
832 
833 	{"HPHL PA", NULL, "HPHL"},
834 	{"HPHR PA", NULL, "HPHR"},
835 	{"HPHL PA", NULL, "CP"},
836 	{"HPHL PA", NULL, "RX_BIAS"},
837 	{"HPHR PA", NULL, "CP"},
838 	{"HPHR PA", NULL, "RX_BIAS"},
839 	{"HPHL", "Switch", "HPHL DAC"},
840 	{"HPHR", "Switch", "HPHR DAC"},
841 
842 	{"RX_BIAS", NULL, "DAC_REF"},
843 
844 	{"SPK_OUT", NULL, "SPK PA"},
845 	{"SPK PA", NULL, "RX_BIAS"},
846 	{"SPK PA", NULL, "SPKR_CLK"},
847 	{"SPK PA", NULL, "SPK DAC"},
848 	{"SPK DAC", "Switch", "PDM_RX3"},
849 
850 	{"MIC_BIAS1", NULL, "INT_LDO_H"},
851 	{"MIC_BIAS2", NULL, "INT_LDO_H"},
852 	{"MIC_BIAS1", NULL, "vdd-micbias"},
853 	{"MIC_BIAS2", NULL, "vdd-micbias"},
854 
855 	{"MIC BIAS External1", NULL, "MIC_BIAS1"},
856 	{"MIC BIAS Internal1", NULL, "MIC_BIAS1"},
857 	{"MIC BIAS External2", NULL, "MIC_BIAS2"},
858 	{"MIC BIAS Internal2", NULL, "MIC_BIAS2"},
859 	{"MIC BIAS Internal3", NULL, "MIC_BIAS1"},
860 };
861 
862 static const struct snd_soc_dapm_widget pm8916_wcd_analog_dapm_widgets[] = {
863 
864 	SND_SOC_DAPM_AIF_IN("PDM_RX1", NULL, 0, SND_SOC_NOPM, 0, 0),
865 	SND_SOC_DAPM_AIF_IN("PDM_RX2", NULL, 0, SND_SOC_NOPM, 0, 0),
866 	SND_SOC_DAPM_AIF_IN("PDM_RX3", NULL, 0, SND_SOC_NOPM, 0, 0),
867 	SND_SOC_DAPM_AIF_OUT("PDM_TX", NULL, 0, SND_SOC_NOPM, 0, 0),
868 
869 	SND_SOC_DAPM_INPUT("AMIC1"),
870 	SND_SOC_DAPM_INPUT("AMIC3"),
871 	SND_SOC_DAPM_INPUT("AMIC2"),
872 	SND_SOC_DAPM_OUTPUT("EAR"),
873 	SND_SOC_DAPM_OUTPUT("HEADPHONE"),
874 
875 	/* RX stuff */
876 	SND_SOC_DAPM_SUPPLY("INT_LDO_H", SND_SOC_NOPM, 1, 0, NULL, 0),
877 
878 	SND_SOC_DAPM_PGA_E("EAR PA", SND_SOC_NOPM,
879 			   0, 0, NULL, 0,
880 			   pm8916_wcd_analog_enable_ear_pa,
881 			   SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMU |
882 			   SND_SOC_DAPM_PRE_PMD | SND_SOC_DAPM_POST_PMD),
883 	SND_SOC_DAPM_MUX("EAR_S", SND_SOC_NOPM, 0, 0, &ear_mux),
884 	SND_SOC_DAPM_SUPPLY("EAR CP", CDC_A_NCP_EN, 4, 0, NULL, 0),
885 
886 	SND_SOC_DAPM_PGA("HPHL PA", CDC_A_RX_HPH_CNP_EN, 5, 0, NULL, 0),
887 	SND_SOC_DAPM_MUX("HPHL", SND_SOC_NOPM, 0, 0, &hphl_mux),
888 	SND_SOC_DAPM_MIXER("HPHL DAC", CDC_A_RX_HPH_L_PA_DAC_CTL, 3, 0, NULL,
889 			   0),
890 	SND_SOC_DAPM_PGA("HPHR PA", CDC_A_RX_HPH_CNP_EN, 4, 0, NULL, 0),
891 	SND_SOC_DAPM_MUX("HPHR", SND_SOC_NOPM, 0, 0, &hphr_mux),
892 	SND_SOC_DAPM_MIXER("HPHR DAC", CDC_A_RX_HPH_R_PA_DAC_CTL, 3, 0, NULL,
893 			   0),
894 	SND_SOC_DAPM_MIXER("SPK DAC", SND_SOC_NOPM, 0, 0,
895 			   spkr_switch, ARRAY_SIZE(spkr_switch)),
896 
897 	/* Speaker */
898 	SND_SOC_DAPM_OUTPUT("SPK_OUT"),
899 	SND_SOC_DAPM_PGA_E("SPK PA", CDC_A_SPKR_DRV_CTL,
900 			   6, 0, NULL, 0,
901 			   pm8916_wcd_analog_enable_spk_pa,
902 			   SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMU |
903 			   SND_SOC_DAPM_PRE_PMD | SND_SOC_DAPM_POST_PMD),
904 	SND_SOC_DAPM_REGULATOR_SUPPLY("vdd-micbias", 0, 0),
905 	SND_SOC_DAPM_SUPPLY("CP", CDC_A_NCP_EN, 0, 0, NULL, 0),
906 
907 	SND_SOC_DAPM_SUPPLY("DAC_REF", CDC_A_RX_COM_BIAS_DAC, 0, 0, NULL, 0),
908 	SND_SOC_DAPM_SUPPLY("RX_BIAS", CDC_A_RX_COM_BIAS_DAC, 7, 0, NULL, 0),
909 
910 	/* TX */
911 	SND_SOC_DAPM_SUPPLY("MIC_BIAS1", CDC_A_MICB_1_EN, 7, 0,
912 			    pm8916_wcd_analog_enable_micbias1,
913 			    SND_SOC_DAPM_POST_PMU),
914 	SND_SOC_DAPM_SUPPLY("MIC_BIAS2", CDC_A_MICB_2_EN, 7, 0,
915 			    pm8916_wcd_analog_enable_micbias2,
916 			    SND_SOC_DAPM_POST_PMU),
917 
918 	SND_SOC_DAPM_SUPPLY("MIC BIAS External1", SND_SOC_NOPM, 0, 0, NULL, 0),
919 	SND_SOC_DAPM_SUPPLY("MIC BIAS External2", SND_SOC_NOPM, 0, 0, NULL, 0),
920 
921 	SND_SOC_DAPM_SUPPLY("MIC BIAS Internal1", CDC_A_MICB_1_INT_RBIAS, 7, 0,
922 			    pm8916_wcd_analog_enable_micbias_int,
923 			    SND_SOC_DAPM_PRE_PMU),
924 	SND_SOC_DAPM_SUPPLY("MIC BIAS Internal2", CDC_A_MICB_1_INT_RBIAS, 4, 0,
925 			    pm8916_wcd_analog_enable_micbias_int2,
926 			    SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMU |
927 			    SND_SOC_DAPM_POST_PMD),
928 	SND_SOC_DAPM_SUPPLY("MIC BIAS Internal3", CDC_A_MICB_1_INT_RBIAS, 1, 0,
929 			    pm8916_wcd_analog_enable_micbias_int,
930 			    SND_SOC_DAPM_PRE_PMU),
931 
932 	SND_SOC_DAPM_ADC_E("ADC1", NULL, CDC_A_TX_1_EN, 7, 0,
933 			   pm8916_wcd_analog_enable_adc,
934 			   SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMU |
935 			   SND_SOC_DAPM_POST_PMD),
936 	SND_SOC_DAPM_ADC_E("ADC2_INP2", NULL, CDC_A_TX_2_EN, 7, 0,
937 			   pm8916_wcd_analog_enable_adc,
938 			   SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMU |
939 			   SND_SOC_DAPM_POST_PMD),
940 	SND_SOC_DAPM_ADC_E("ADC2_INP3", NULL, CDC_A_TX_3_EN, 7, 0,
941 			   pm8916_wcd_analog_enable_adc,
942 			   SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMU |
943 			   SND_SOC_DAPM_POST_PMD),
944 
945 	SND_SOC_DAPM_MIXER("ADC2", SND_SOC_NOPM, 0, 0, NULL, 0),
946 	SND_SOC_DAPM_MIXER("ADC3", SND_SOC_NOPM, 0, 0, NULL, 0),
947 
948 	SND_SOC_DAPM_MUX("ADC2 MUX", SND_SOC_NOPM, 0, 0, &tx_adc2_mux),
949 	SND_SOC_DAPM_MUX("RDAC2 MUX", SND_SOC_NOPM, 0, 0, &rdac2_mux),
950 
951 	/* Analog path clocks */
952 	SND_SOC_DAPM_SUPPLY("EAR_HPHR_CLK", CDC_D_CDC_ANA_CLK_CTL, 0, 0, NULL,
953 			    0),
954 	SND_SOC_DAPM_SUPPLY("EAR_HPHL_CLK", CDC_D_CDC_ANA_CLK_CTL, 1, 0, NULL,
955 			    0),
956 	SND_SOC_DAPM_SUPPLY("SPKR_CLK", CDC_D_CDC_ANA_CLK_CTL, 4, 0, NULL, 0),
957 	SND_SOC_DAPM_SUPPLY("TXA_CLK25", CDC_D_CDC_ANA_CLK_CTL, 5, 0, NULL, 0),
958 
959 	/* Digital path clocks */
960 
961 	SND_SOC_DAPM_SUPPLY("RXD1_CLK", CDC_D_CDC_DIG_CLK_CTL, 0, 0, NULL, 0),
962 	SND_SOC_DAPM_SUPPLY("RXD2_CLK", CDC_D_CDC_DIG_CLK_CTL, 1, 0, NULL, 0),
963 	SND_SOC_DAPM_SUPPLY("RXD3_CLK", CDC_D_CDC_DIG_CLK_CTL, 2, 0, NULL, 0),
964 
965 	SND_SOC_DAPM_SUPPLY("TXD_CLK", CDC_D_CDC_DIG_CLK_CTL, 4, 0, NULL, 0),
966 	SND_SOC_DAPM_SUPPLY("NCP_CLK", CDC_D_CDC_DIG_CLK_CTL, 6, 0, NULL, 0),
967 	SND_SOC_DAPM_SUPPLY("RXD_PDM_CLK", CDC_D_CDC_DIG_CLK_CTL, 7, 0, NULL,
968 			    0),
969 
970 	/* System Clock source */
971 	SND_SOC_DAPM_SUPPLY("A_MCLK", CDC_D_CDC_TOP_CLK_CTL, 2, 0, NULL, 0),
972 	/* TX ADC and RX DAC Clock source. */
973 	SND_SOC_DAPM_SUPPLY("A_MCLK2", CDC_D_CDC_TOP_CLK_CTL, 3, 0, NULL, 0),
974 };
975 
976 static int pm8916_wcd_analog_set_jack(struct snd_soc_component *component,
977 				      struct snd_soc_jack *jack,
978 				      void *data)
979 {
980 	struct pm8916_wcd_analog_priv *wcd = snd_soc_component_get_drvdata(component);
981 
982 	wcd->jack = jack;
983 
984 	return 0;
985 }
986 
987 static irqreturn_t mbhc_btn_release_irq_handler(int irq, void *arg)
988 {
989 	struct pm8916_wcd_analog_priv *priv = arg;
990 
991 	if (priv->detect_accessory_type) {
992 		struct snd_soc_component *component = priv->component;
993 		u32 val = snd_soc_component_read(component, CDC_A_MBHC_RESULT_1);
994 
995 		/* check if its BTN0 thats released */
996 		if ((val != -1) && !(val & CDC_A_MBHC_RESULT_1_BTN_RESULT_MASK))
997 			priv->mbhc_btn0_released = true;
998 
999 	} else {
1000 		snd_soc_jack_report(priv->jack, 0, btn_mask);
1001 	}
1002 
1003 	return IRQ_HANDLED;
1004 }
1005 
1006 static irqreturn_t mbhc_btn_press_irq_handler(int irq, void *arg)
1007 {
1008 	struct pm8916_wcd_analog_priv *priv = arg;
1009 	struct snd_soc_component *component = priv->component;
1010 	u32 btn_result;
1011 
1012 	btn_result = snd_soc_component_read(component, CDC_A_MBHC_RESULT_1) &
1013 				  CDC_A_MBHC_RESULT_1_BTN_RESULT_MASK;
1014 
1015 	switch (btn_result) {
1016 	case 0xf:
1017 		snd_soc_jack_report(priv->jack, SND_JACK_BTN_4, btn_mask);
1018 		break;
1019 	case 0x7:
1020 		snd_soc_jack_report(priv->jack, SND_JACK_BTN_3, btn_mask);
1021 		break;
1022 	case 0x3:
1023 		snd_soc_jack_report(priv->jack, SND_JACK_BTN_2, btn_mask);
1024 		break;
1025 	case 0x1:
1026 		snd_soc_jack_report(priv->jack, SND_JACK_BTN_1, btn_mask);
1027 		break;
1028 	case 0x0:
1029 		/* handle BTN_0 specially for type detection */
1030 		if (!priv->detect_accessory_type)
1031 			snd_soc_jack_report(priv->jack,
1032 					    SND_JACK_BTN_0, btn_mask);
1033 		break;
1034 	default:
1035 		dev_err(component->dev,
1036 			"Unexpected button press result (%x)", btn_result);
1037 		break;
1038 	}
1039 
1040 	return IRQ_HANDLED;
1041 }
1042 
1043 static irqreturn_t pm8916_mbhc_switch_irq_handler(int irq, void *arg)
1044 {
1045 	struct pm8916_wcd_analog_priv *priv = arg;
1046 	struct snd_soc_component *component = priv->component;
1047 	bool ins = false;
1048 
1049 	if (snd_soc_component_read(component, CDC_A_MBHC_DET_CTL_1) &
1050 				CDC_A_MBHC_DET_CTL_MECH_DET_TYPE_MASK)
1051 		ins = true;
1052 
1053 	/* Set the detection type appropriately */
1054 	snd_soc_component_update_bits(component, CDC_A_MBHC_DET_CTL_1,
1055 			    CDC_A_MBHC_DET_CTL_MECH_DET_TYPE_MASK,
1056 			    (!ins << CDC_A_MBHC_DET_CTL_MECH_DET_TYPE_SHIFT));
1057 
1058 
1059 	if (ins) { /* hs insertion */
1060 		bool micbias_enabled = false;
1061 
1062 		if (snd_soc_component_read(component, CDC_A_MICB_2_EN) &
1063 				CDC_A_MICB_2_EN_ENABLE)
1064 			micbias_enabled = true;
1065 
1066 		pm8916_mbhc_configure_bias(priv, micbias_enabled);
1067 
1068 		/*
1069 		 * if only a btn0 press event is receive just before
1070 		 * insert event then its a 3 pole headphone else if
1071 		 * both press and release event received then its
1072 		 * a headset.
1073 		 */
1074 		if (priv->mbhc_btn0_released)
1075 			snd_soc_jack_report(priv->jack,
1076 					    SND_JACK_HEADSET, hs_jack_mask);
1077 		else
1078 			snd_soc_jack_report(priv->jack,
1079 					    SND_JACK_HEADPHONE, hs_jack_mask);
1080 
1081 		priv->detect_accessory_type = false;
1082 
1083 	} else { /* removal */
1084 		snd_soc_jack_report(priv->jack, 0, hs_jack_mask);
1085 		priv->detect_accessory_type = true;
1086 		priv->mbhc_btn0_released = false;
1087 	}
1088 
1089 	return IRQ_HANDLED;
1090 }
1091 
1092 static struct snd_soc_dai_driver pm8916_wcd_analog_dai[] = {
1093 	[0] = {
1094 	       .name = "pm8916_wcd_analog_pdm_rx",
1095 	       .id = 0,
1096 	       .playback = {
1097 			    .stream_name = "PDM Playback",
1098 			    .rates = MSM8916_WCD_ANALOG_RATES,
1099 			    .formats = MSM8916_WCD_ANALOG_FORMATS,
1100 			    .channels_min = 1,
1101 			    .channels_max = 3,
1102 			    },
1103 	       },
1104 	[1] = {
1105 	       .name = "pm8916_wcd_analog_pdm_tx",
1106 	       .id = 1,
1107 	       .capture = {
1108 			   .stream_name = "PDM Capture",
1109 			   .rates = MSM8916_WCD_ANALOG_RATES,
1110 			   .formats = MSM8916_WCD_ANALOG_FORMATS,
1111 			   .channels_min = 1,
1112 			   .channels_max = 4,
1113 			   },
1114 	       },
1115 };
1116 
1117 static const struct snd_soc_component_driver pm8916_wcd_analog = {
1118 	.probe			= pm8916_wcd_analog_probe,
1119 	.remove			= pm8916_wcd_analog_remove,
1120 	.set_jack		= pm8916_wcd_analog_set_jack,
1121 	.controls		= pm8916_wcd_analog_snd_controls,
1122 	.num_controls		= ARRAY_SIZE(pm8916_wcd_analog_snd_controls),
1123 	.dapm_widgets		= pm8916_wcd_analog_dapm_widgets,
1124 	.num_dapm_widgets	= ARRAY_SIZE(pm8916_wcd_analog_dapm_widgets),
1125 	.dapm_routes		= pm8916_wcd_analog_audio_map,
1126 	.num_dapm_routes	= ARRAY_SIZE(pm8916_wcd_analog_audio_map),
1127 	.idle_bias_on		= 1,
1128 	.use_pmdown_time	= 1,
1129 	.endianness		= 1,
1130 	.non_legacy_dai_naming	= 1,
1131 };
1132 
1133 static int pm8916_wcd_analog_parse_dt(struct device *dev,
1134 				       struct pm8916_wcd_analog_priv *priv)
1135 {
1136 	int rval;
1137 
1138 	if (of_property_read_bool(dev->of_node, "qcom,micbias1-ext-cap"))
1139 		priv->micbias1_cap_mode = MICB_1_EN_EXT_BYP_CAP;
1140 	else
1141 		priv->micbias1_cap_mode = MICB_1_EN_NO_EXT_BYP_CAP;
1142 
1143 	if (of_property_read_bool(dev->of_node, "qcom,micbias2-ext-cap"))
1144 		priv->micbias2_cap_mode = MICB_1_EN_EXT_BYP_CAP;
1145 	else
1146 		priv->micbias2_cap_mode = MICB_1_EN_NO_EXT_BYP_CAP;
1147 
1148 	of_property_read_u32(dev->of_node, "qcom,micbias-lvl",
1149 			     &priv->micbias_mv);
1150 
1151 	if (of_property_read_bool(dev->of_node,
1152 				  "qcom,hphl-jack-type-normally-open"))
1153 		priv->hphl_jack_type_normally_open = true;
1154 	else
1155 		priv->hphl_jack_type_normally_open = false;
1156 
1157 	if (of_property_read_bool(dev->of_node,
1158 				  "qcom,gnd-jack-type-normally-open"))
1159 		priv->gnd_jack_type_normally_open = true;
1160 	else
1161 		priv->gnd_jack_type_normally_open = false;
1162 
1163 	priv->mbhc_btn_enabled = true;
1164 	rval = of_property_read_u32_array(dev->of_node,
1165 					  "qcom,mbhc-vthreshold-low",
1166 					  &priv->vref_btn_cs[0],
1167 					  MBHC_MAX_BUTTONS);
1168 	if (rval < 0) {
1169 		priv->mbhc_btn_enabled = false;
1170 	} else {
1171 		rval = of_property_read_u32_array(dev->of_node,
1172 						  "qcom,mbhc-vthreshold-high",
1173 						  &priv->vref_btn_micb[0],
1174 						  MBHC_MAX_BUTTONS);
1175 		if (rval < 0)
1176 			priv->mbhc_btn_enabled = false;
1177 	}
1178 
1179 	if (!priv->mbhc_btn_enabled)
1180 		dev_err(dev,
1181 			"DT property missing, MBHC btn detection disabled\n");
1182 
1183 
1184 	return 0;
1185 }
1186 
1187 static int pm8916_wcd_analog_spmi_probe(struct platform_device *pdev)
1188 {
1189 	struct pm8916_wcd_analog_priv *priv;
1190 	struct device *dev = &pdev->dev;
1191 	int ret, i, irq;
1192 
1193 	priv = devm_kzalloc(dev, sizeof(*priv), GFP_KERNEL);
1194 	if (!priv)
1195 		return -ENOMEM;
1196 
1197 	ret = pm8916_wcd_analog_parse_dt(dev, priv);
1198 	if (ret < 0)
1199 		return ret;
1200 
1201 	priv->mclk = devm_clk_get(dev, "mclk");
1202 	if (IS_ERR(priv->mclk)) {
1203 		dev_err(dev, "failed to get mclk\n");
1204 		return PTR_ERR(priv->mclk);
1205 	}
1206 
1207 	for (i = 0; i < ARRAY_SIZE(supply_names); i++)
1208 		priv->supplies[i].supply = supply_names[i];
1209 
1210 	ret = devm_regulator_bulk_get(dev, ARRAY_SIZE(priv->supplies),
1211 				    priv->supplies);
1212 	if (ret) {
1213 		dev_err(dev, "Failed to get regulator supplies %d\n", ret);
1214 		return ret;
1215 	}
1216 
1217 	ret = clk_prepare_enable(priv->mclk);
1218 	if (ret < 0) {
1219 		dev_err(dev, "failed to enable mclk %d\n", ret);
1220 		return ret;
1221 	}
1222 
1223 	irq = platform_get_irq_byname(pdev, "mbhc_switch_int");
1224 	if (irq < 0)
1225 		return irq;
1226 
1227 	ret = devm_request_threaded_irq(dev, irq, NULL,
1228 			       pm8916_mbhc_switch_irq_handler,
1229 			       IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING |
1230 			       IRQF_ONESHOT,
1231 			       "mbhc switch irq", priv);
1232 	if (ret)
1233 		dev_err(dev, "cannot request mbhc switch irq\n");
1234 
1235 	if (priv->mbhc_btn_enabled) {
1236 		irq = platform_get_irq_byname(pdev, "mbhc_but_press_det");
1237 		if (irq < 0)
1238 			return irq;
1239 
1240 		ret = devm_request_threaded_irq(dev, irq, NULL,
1241 				       mbhc_btn_press_irq_handler,
1242 				       IRQF_TRIGGER_RISING |
1243 				       IRQF_TRIGGER_FALLING | IRQF_ONESHOT,
1244 				       "mbhc btn press irq", priv);
1245 		if (ret)
1246 			dev_err(dev, "cannot request mbhc button press irq\n");
1247 
1248 		irq = platform_get_irq_byname(pdev, "mbhc_but_rel_det");
1249 		if (irq < 0)
1250 			return irq;
1251 
1252 		ret = devm_request_threaded_irq(dev, irq, NULL,
1253 				       mbhc_btn_release_irq_handler,
1254 				       IRQF_TRIGGER_RISING |
1255 				       IRQF_TRIGGER_FALLING | IRQF_ONESHOT,
1256 				       "mbhc btn release irq", priv);
1257 		if (ret)
1258 			dev_err(dev, "cannot request mbhc button release irq\n");
1259 
1260 	}
1261 
1262 	dev_set_drvdata(dev, priv);
1263 
1264 	return devm_snd_soc_register_component(dev, &pm8916_wcd_analog,
1265 				      pm8916_wcd_analog_dai,
1266 				      ARRAY_SIZE(pm8916_wcd_analog_dai));
1267 }
1268 
1269 static int pm8916_wcd_analog_spmi_remove(struct platform_device *pdev)
1270 {
1271 	struct pm8916_wcd_analog_priv *priv = dev_get_drvdata(&pdev->dev);
1272 
1273 	clk_disable_unprepare(priv->mclk);
1274 
1275 	return 0;
1276 }
1277 
1278 static const struct of_device_id pm8916_wcd_analog_spmi_match_table[] = {
1279 	{ .compatible = "qcom,pm8916-wcd-analog-codec", },
1280 	{ }
1281 };
1282 
1283 MODULE_DEVICE_TABLE(of, pm8916_wcd_analog_spmi_match_table);
1284 
1285 static struct platform_driver pm8916_wcd_analog_spmi_driver = {
1286 	.driver = {
1287 		   .name = "qcom,pm8916-wcd-spmi-codec",
1288 		   .of_match_table = pm8916_wcd_analog_spmi_match_table,
1289 	},
1290 	.probe = pm8916_wcd_analog_spmi_probe,
1291 	.remove = pm8916_wcd_analog_spmi_remove,
1292 };
1293 
1294 module_platform_driver(pm8916_wcd_analog_spmi_driver);
1295 
1296 MODULE_AUTHOR("Srinivas Kandagatla <srinivas.kandagatla@linaro.org>");
1297 MODULE_DESCRIPTION("PMIC PM8916 WCD Analog Codec driver");
1298 MODULE_LICENSE("GPL v2");
1299