xref: /openbmc/linux/sound/soc/codecs/da9055.c (revision ac8fa1bd)
1 // SPDX-License-Identifier: GPL-2.0-or-later
2 /*
3  * DA9055 ALSA Soc codec driver
4  *
5  * Copyright (c) 2012 Dialog Semiconductor
6  *
7  * Tested on (Samsung SMDK6410 board + DA9055 EVB) using I2S and I2C
8  * Written by David Chen <david.chen@diasemi.com> and
9  * Ashish Chavan <ashish.chavan@kpitcummins.com>
10  */
11 
12 #include <linux/delay.h>
13 #include <linux/i2c.h>
14 #include <linux/regmap.h>
15 #include <linux/slab.h>
16 #include <linux/module.h>
17 #include <linux/of.h>
18 #include <linux/of_device.h>
19 #include <sound/pcm.h>
20 #include <sound/pcm_params.h>
21 #include <sound/soc.h>
22 #include <sound/initval.h>
23 #include <sound/tlv.h>
24 #include <sound/da9055.h>
25 
26 /* DA9055 register space */
27 
28 /* Status Registers */
29 #define DA9055_STATUS1			0x02
30 #define DA9055_PLL_STATUS		0x03
31 #define DA9055_AUX_L_GAIN_STATUS	0x04
32 #define DA9055_AUX_R_GAIN_STATUS	0x05
33 #define DA9055_MIC_L_GAIN_STATUS	0x06
34 #define DA9055_MIC_R_GAIN_STATUS	0x07
35 #define DA9055_MIXIN_L_GAIN_STATUS	0x08
36 #define DA9055_MIXIN_R_GAIN_STATUS	0x09
37 #define DA9055_ADC_L_GAIN_STATUS	0x0A
38 #define DA9055_ADC_R_GAIN_STATUS	0x0B
39 #define DA9055_DAC_L_GAIN_STATUS	0x0C
40 #define DA9055_DAC_R_GAIN_STATUS	0x0D
41 #define DA9055_HP_L_GAIN_STATUS		0x0E
42 #define DA9055_HP_R_GAIN_STATUS		0x0F
43 #define DA9055_LINE_GAIN_STATUS		0x10
44 
45 /* System Initialisation Registers */
46 #define DA9055_CIF_CTRL			0x20
47 #define DA9055_DIG_ROUTING_AIF		0X21
48 #define DA9055_SR			0x22
49 #define DA9055_REFERENCES		0x23
50 #define DA9055_PLL_FRAC_TOP		0x24
51 #define DA9055_PLL_FRAC_BOT		0x25
52 #define DA9055_PLL_INTEGER		0x26
53 #define DA9055_PLL_CTRL			0x27
54 #define DA9055_AIF_CLK_MODE		0x28
55 #define DA9055_AIF_CTRL			0x29
56 #define DA9055_DIG_ROUTING_DAC		0x2A
57 #define DA9055_ALC_CTRL1		0x2B
58 
59 /* Input - Gain, Select and Filter Registers */
60 #define DA9055_AUX_L_GAIN		0x30
61 #define DA9055_AUX_R_GAIN		0x31
62 #define DA9055_MIXIN_L_SELECT		0x32
63 #define DA9055_MIXIN_R_SELECT		0x33
64 #define DA9055_MIXIN_L_GAIN		0x34
65 #define DA9055_MIXIN_R_GAIN		0x35
66 #define DA9055_ADC_L_GAIN		0x36
67 #define DA9055_ADC_R_GAIN		0x37
68 #define DA9055_ADC_FILTERS1		0x38
69 #define DA9055_MIC_L_GAIN		0x39
70 #define DA9055_MIC_R_GAIN		0x3A
71 
72 /* Output - Gain, Select and Filter Registers */
73 #define DA9055_DAC_FILTERS5		0x40
74 #define DA9055_DAC_FILTERS2		0x41
75 #define DA9055_DAC_FILTERS3		0x42
76 #define DA9055_DAC_FILTERS4		0x43
77 #define DA9055_DAC_FILTERS1		0x44
78 #define DA9055_DAC_L_GAIN		0x45
79 #define DA9055_DAC_R_GAIN		0x46
80 #define DA9055_CP_CTRL			0x47
81 #define DA9055_HP_L_GAIN		0x48
82 #define DA9055_HP_R_GAIN		0x49
83 #define DA9055_LINE_GAIN		0x4A
84 #define DA9055_MIXOUT_L_SELECT		0x4B
85 #define DA9055_MIXOUT_R_SELECT		0x4C
86 
87 /* System Controller Registers */
88 #define DA9055_SYSTEM_MODES_INPUT	0x50
89 #define DA9055_SYSTEM_MODES_OUTPUT	0x51
90 
91 /* Control Registers */
92 #define DA9055_AUX_L_CTRL		0x60
93 #define DA9055_AUX_R_CTRL		0x61
94 #define DA9055_MIC_BIAS_CTRL		0x62
95 #define DA9055_MIC_L_CTRL		0x63
96 #define DA9055_MIC_R_CTRL		0x64
97 #define DA9055_MIXIN_L_CTRL		0x65
98 #define DA9055_MIXIN_R_CTRL		0x66
99 #define DA9055_ADC_L_CTRL		0x67
100 #define DA9055_ADC_R_CTRL		0x68
101 #define DA9055_DAC_L_CTRL		0x69
102 #define DA9055_DAC_R_CTRL		0x6A
103 #define DA9055_HP_L_CTRL		0x6B
104 #define DA9055_HP_R_CTRL		0x6C
105 #define DA9055_LINE_CTRL		0x6D
106 #define DA9055_MIXOUT_L_CTRL		0x6E
107 #define DA9055_MIXOUT_R_CTRL		0x6F
108 
109 /* Configuration Registers */
110 #define DA9055_LDO_CTRL			0x90
111 #define DA9055_IO_CTRL			0x91
112 #define DA9055_GAIN_RAMP_CTRL		0x92
113 #define DA9055_MIC_CONFIG		0x93
114 #define DA9055_PC_COUNT			0x94
115 #define DA9055_CP_VOL_THRESHOLD1	0x95
116 #define DA9055_CP_DELAY			0x96
117 #define DA9055_CP_DETECTOR		0x97
118 #define DA9055_AIF_OFFSET		0x98
119 #define DA9055_DIG_CTRL			0x99
120 #define DA9055_ALC_CTRL2		0x9A
121 #define DA9055_ALC_CTRL3		0x9B
122 #define DA9055_ALC_NOISE		0x9C
123 #define DA9055_ALC_TARGET_MIN		0x9D
124 #define DA9055_ALC_TARGET_MAX		0x9E
125 #define DA9055_ALC_GAIN_LIMITS		0x9F
126 #define DA9055_ALC_ANA_GAIN_LIMITS	0xA0
127 #define DA9055_ALC_ANTICLIP_CTRL	0xA1
128 #define DA9055_ALC_ANTICLIP_LEVEL	0xA2
129 #define DA9055_ALC_OFFSET_OP2M_L	0xA6
130 #define DA9055_ALC_OFFSET_OP2U_L	0xA7
131 #define DA9055_ALC_OFFSET_OP2M_R	0xAB
132 #define DA9055_ALC_OFFSET_OP2U_R	0xAC
133 #define DA9055_ALC_CIC_OP_LVL_CTRL	0xAD
134 #define DA9055_ALC_CIC_OP_LVL_DATA	0xAE
135 #define DA9055_DAC_NG_SETUP_TIME	0xAF
136 #define DA9055_DAC_NG_OFF_THRESHOLD	0xB0
137 #define DA9055_DAC_NG_ON_THRESHOLD	0xB1
138 #define DA9055_DAC_NG_CTRL		0xB2
139 
140 /* SR bit fields */
141 #define DA9055_SR_8000			(0x1 << 0)
142 #define DA9055_SR_11025			(0x2 << 0)
143 #define DA9055_SR_12000			(0x3 << 0)
144 #define DA9055_SR_16000			(0x5 << 0)
145 #define DA9055_SR_22050			(0x6 << 0)
146 #define DA9055_SR_24000			(0x7 << 0)
147 #define DA9055_SR_32000			(0x9 << 0)
148 #define DA9055_SR_44100			(0xA << 0)
149 #define DA9055_SR_48000			(0xB << 0)
150 #define DA9055_SR_88200			(0xE << 0)
151 #define DA9055_SR_96000			(0xF << 0)
152 
153 /* REFERENCES bit fields */
154 #define DA9055_BIAS_EN			(1 << 3)
155 #define DA9055_VMID_EN			(1 << 7)
156 
157 /* PLL_CTRL bit fields */
158 #define DA9055_PLL_INDIV_10_20_MHZ	(1 << 2)
159 #define DA9055_PLL_SRM_EN		(1 << 6)
160 #define DA9055_PLL_EN			(1 << 7)
161 
162 /* AIF_CLK_MODE bit fields */
163 #define DA9055_AIF_BCLKS_PER_WCLK_32	(0 << 0)
164 #define DA9055_AIF_BCLKS_PER_WCLK_64	(1 << 0)
165 #define DA9055_AIF_BCLKS_PER_WCLK_128	(2 << 0)
166 #define DA9055_AIF_BCLKS_PER_WCLK_256	(3 << 0)
167 #define DA9055_AIF_CLK_EN_SLAVE_MODE	(0 << 7)
168 #define DA9055_AIF_CLK_EN_MASTER_MODE	(1 << 7)
169 
170 /* AIF_CTRL bit fields */
171 #define DA9055_AIF_FORMAT_I2S_MODE	(0 << 0)
172 #define DA9055_AIF_FORMAT_LEFT_J	(1 << 0)
173 #define DA9055_AIF_FORMAT_RIGHT_J	(2 << 0)
174 #define DA9055_AIF_FORMAT_DSP		(3 << 0)
175 #define DA9055_AIF_WORD_S16_LE		(0 << 2)
176 #define DA9055_AIF_WORD_S20_3LE		(1 << 2)
177 #define DA9055_AIF_WORD_S24_LE		(2 << 2)
178 #define DA9055_AIF_WORD_S32_LE		(3 << 2)
179 
180 /* MIC_L_CTRL bit fields */
181 #define DA9055_MIC_L_MUTE_EN		(1 << 6)
182 
183 /* MIC_R_CTRL bit fields */
184 #define DA9055_MIC_R_MUTE_EN		(1 << 6)
185 
186 /* MIXIN_L_CTRL bit fields */
187 #define DA9055_MIXIN_L_MIX_EN		(1 << 3)
188 
189 /* MIXIN_R_CTRL bit fields */
190 #define DA9055_MIXIN_R_MIX_EN		(1 << 3)
191 
192 /* ADC_L_CTRL bit fields */
193 #define DA9055_ADC_L_EN			(1 << 7)
194 
195 /* ADC_R_CTRL bit fields */
196 #define DA9055_ADC_R_EN			(1 << 7)
197 
198 /* DAC_L_CTRL bit fields */
199 #define DA9055_DAC_L_MUTE_EN		(1 << 6)
200 
201 /* DAC_R_CTRL bit fields */
202 #define DA9055_DAC_R_MUTE_EN		(1 << 6)
203 
204 /* HP_L_CTRL bit fields */
205 #define DA9055_HP_L_AMP_OE		(1 << 3)
206 
207 /* HP_R_CTRL bit fields */
208 #define DA9055_HP_R_AMP_OE		(1 << 3)
209 
210 /* LINE_CTRL bit fields */
211 #define DA9055_LINE_AMP_OE		(1 << 3)
212 
213 /* MIXOUT_L_CTRL bit fields */
214 #define DA9055_MIXOUT_L_MIX_EN		(1 << 3)
215 
216 /* MIXOUT_R_CTRL bit fields */
217 #define DA9055_MIXOUT_R_MIX_EN		(1 << 3)
218 
219 /* MIC bias select bit fields */
220 #define DA9055_MICBIAS2_EN		(1 << 6)
221 
222 /* ALC_CIC_OP_LEVEL_CTRL bit fields */
223 #define DA9055_ALC_DATA_MIDDLE		(2 << 0)
224 #define DA9055_ALC_DATA_TOP		(3 << 0)
225 #define DA9055_ALC_CIC_OP_CHANNEL_LEFT	(0 << 7)
226 #define DA9055_ALC_CIC_OP_CHANNEL_RIGHT	(1 << 7)
227 
228 #define DA9055_AIF_BCLK_MASK		(3 << 0)
229 #define DA9055_AIF_CLK_MODE_MASK	(1 << 7)
230 #define DA9055_AIF_FORMAT_MASK		(3 << 0)
231 #define DA9055_AIF_WORD_LENGTH_MASK	(3 << 2)
232 #define DA9055_GAIN_RAMPING_EN		(1 << 5)
233 #define DA9055_MICBIAS_LEVEL_MASK	(3 << 4)
234 
235 #define DA9055_ALC_OFFSET_15_8		0x00FF00
236 #define DA9055_ALC_OFFSET_17_16		0x030000
237 #define DA9055_ALC_AVG_ITERATIONS	5
238 
239 struct pll_div {
240 	int fref;
241 	int fout;
242 	u8 frac_top;
243 	u8 frac_bot;
244 	u8 integer;
245 	u8 mode;	/* 0 = slave, 1 = master */
246 };
247 
248 /* PLL divisor table */
249 static const struct pll_div da9055_pll_div[] = {
250 	/* for MASTER mode, fs = 44.1Khz and its harmonics */
251 	{11289600, 2822400, 0x00, 0x00, 0x20, 1},	/* MCLK=11.2896Mhz */
252 	{12000000, 2822400, 0x03, 0x61, 0x1E, 1},	/* MCLK=12Mhz */
253 	{12288000, 2822400, 0x0C, 0xCC, 0x1D, 1},	/* MCLK=12.288Mhz */
254 	{13000000, 2822400, 0x19, 0x45, 0x1B, 1},	/* MCLK=13Mhz */
255 	{13500000, 2822400, 0x18, 0x56, 0x1A, 1},	/* MCLK=13.5Mhz */
256 	{14400000, 2822400, 0x02, 0xD0, 0x19, 1},	/* MCLK=14.4Mhz */
257 	{19200000, 2822400, 0x1A, 0x1C, 0x12, 1},	/* MCLK=19.2Mhz */
258 	{19680000, 2822400, 0x0B, 0x6D, 0x12, 1},	/* MCLK=19.68Mhz */
259 	{19800000, 2822400, 0x07, 0xDD, 0x12, 1},	/* MCLK=19.8Mhz */
260 	/* for MASTER mode, fs = 48Khz and its harmonics */
261 	{11289600, 3072000, 0x1A, 0x8E, 0x22, 1},	/* MCLK=11.2896Mhz */
262 	{12000000, 3072000, 0x18, 0x93, 0x20, 1},	/* MCLK=12Mhz */
263 	{12288000, 3072000, 0x00, 0x00, 0x20, 1},	/* MCLK=12.288Mhz */
264 	{13000000, 3072000, 0x07, 0xEA, 0x1E, 1},	/* MCLK=13Mhz */
265 	{13500000, 3072000, 0x04, 0x11, 0x1D, 1},	/* MCLK=13.5Mhz */
266 	{14400000, 3072000, 0x09, 0xD0, 0x1B, 1},	/* MCLK=14.4Mhz */
267 	{19200000, 3072000, 0x0F, 0x5C, 0x14, 1},	/* MCLK=19.2Mhz */
268 	{19680000, 3072000, 0x1F, 0x60, 0x13, 1},	/* MCLK=19.68Mhz */
269 	{19800000, 3072000, 0x1B, 0x80, 0x13, 1},	/* MCLK=19.8Mhz */
270 	/* for SLAVE mode with SRM */
271 	{11289600, 2822400, 0x0D, 0x47, 0x21, 0},	/* MCLK=11.2896Mhz */
272 	{12000000, 2822400, 0x0D, 0xFA, 0x1F, 0},	/* MCLK=12Mhz */
273 	{12288000, 2822400, 0x16, 0x66, 0x1E, 0},	/* MCLK=12.288Mhz */
274 	{13000000, 2822400, 0x00, 0x98, 0x1D, 0},	/* MCLK=13Mhz */
275 	{13500000, 2822400, 0x1E, 0x33, 0x1B, 0},	/* MCLK=13.5Mhz */
276 	{14400000, 2822400, 0x06, 0x50, 0x1A, 0},	/* MCLK=14.4Mhz */
277 	{19200000, 2822400, 0x14, 0xBC, 0x13, 0},	/* MCLK=19.2Mhz */
278 	{19680000, 2822400, 0x05, 0x66, 0x13, 0},	/* MCLK=19.68Mhz */
279 	{19800000, 2822400, 0x01, 0xAE, 0x13, 0},	/* MCLK=19.8Mhz  */
280 };
281 
282 enum clk_src {
283 	DA9055_CLKSRC_MCLK
284 };
285 
286 /* Gain and Volume */
287 
288 static const DECLARE_TLV_DB_RANGE(aux_vol_tlv,
289 	0x0, 0x10, TLV_DB_SCALE_ITEM(-5400, 0, 0),
290 	/* -54dB to 15dB */
291 	0x11, 0x3f, TLV_DB_SCALE_ITEM(-5400, 150, 0)
292 );
293 
294 static const DECLARE_TLV_DB_RANGE(digital_gain_tlv,
295 	0x0, 0x07, TLV_DB_SCALE_ITEM(TLV_DB_GAIN_MUTE, 0, 1),
296 	/* -78dB to 12dB */
297 	0x08, 0x7f, TLV_DB_SCALE_ITEM(-7800, 75, 0)
298 );
299 
300 static const DECLARE_TLV_DB_RANGE(alc_analog_gain_tlv,
301 	0x0, 0x0, TLV_DB_SCALE_ITEM(TLV_DB_GAIN_MUTE, 0, 1),
302 	/* 0dB to 36dB */
303 	0x01, 0x07, TLV_DB_SCALE_ITEM(0, 600, 0)
304 );
305 
306 static const DECLARE_TLV_DB_SCALE(mic_vol_tlv, -600, 600, 0);
307 static const DECLARE_TLV_DB_SCALE(mixin_gain_tlv, -450, 150, 0);
308 static const DECLARE_TLV_DB_SCALE(eq_gain_tlv, -1050, 150, 0);
309 static const DECLARE_TLV_DB_SCALE(hp_vol_tlv, -5700, 100, 0);
310 static const DECLARE_TLV_DB_SCALE(lineout_vol_tlv, -4800, 100, 0);
311 static const DECLARE_TLV_DB_SCALE(alc_threshold_tlv, -9450, 150, 0);
312 static const DECLARE_TLV_DB_SCALE(alc_gain_tlv, 0, 600, 0);
313 
314 /* ADC and DAC high pass filter cutoff value */
315 static const char * const da9055_hpf_cutoff_txt[] = {
316 	"Fs/24000", "Fs/12000", "Fs/6000", "Fs/3000"
317 };
318 
319 static SOC_ENUM_SINGLE_DECL(da9055_dac_hpf_cutoff,
320 			    DA9055_DAC_FILTERS1, 4, da9055_hpf_cutoff_txt);
321 
322 static SOC_ENUM_SINGLE_DECL(da9055_adc_hpf_cutoff,
323 			    DA9055_ADC_FILTERS1, 4, da9055_hpf_cutoff_txt);
324 
325 /* ADC and DAC voice mode (8kHz) high pass cutoff value */
326 static const char * const da9055_vf_cutoff_txt[] = {
327 	"2.5Hz", "25Hz", "50Hz", "100Hz", "150Hz", "200Hz", "300Hz", "400Hz"
328 };
329 
330 static SOC_ENUM_SINGLE_DECL(da9055_dac_vf_cutoff,
331 			    DA9055_DAC_FILTERS1, 0, da9055_vf_cutoff_txt);
332 
333 static SOC_ENUM_SINGLE_DECL(da9055_adc_vf_cutoff,
334 			    DA9055_ADC_FILTERS1, 0, da9055_vf_cutoff_txt);
335 
336 /* Gain ramping rate value */
337 static const char * const da9055_gain_ramping_txt[] = {
338 	"nominal rate", "nominal rate * 4", "nominal rate * 8",
339 	"nominal rate / 8"
340 };
341 
342 static SOC_ENUM_SINGLE_DECL(da9055_gain_ramping_rate,
343 			    DA9055_GAIN_RAMP_CTRL, 0, da9055_gain_ramping_txt);
344 
345 /* DAC noise gate setup time value */
346 static const char * const da9055_dac_ng_setup_time_txt[] = {
347 	"256 samples", "512 samples", "1024 samples", "2048 samples"
348 };
349 
350 static SOC_ENUM_SINGLE_DECL(da9055_dac_ng_setup_time,
351 			    DA9055_DAC_NG_SETUP_TIME, 0,
352 			    da9055_dac_ng_setup_time_txt);
353 
354 /* DAC noise gate rampup rate value */
355 static const char * const da9055_dac_ng_rampup_txt[] = {
356 	"0.02 ms/dB", "0.16 ms/dB"
357 };
358 
359 static SOC_ENUM_SINGLE_DECL(da9055_dac_ng_rampup_rate,
360 			    DA9055_DAC_NG_SETUP_TIME, 2,
361 			    da9055_dac_ng_rampup_txt);
362 
363 /* DAC noise gate rampdown rate value */
364 static const char * const da9055_dac_ng_rampdown_txt[] = {
365 	"0.64 ms/dB", "20.48 ms/dB"
366 };
367 
368 static SOC_ENUM_SINGLE_DECL(da9055_dac_ng_rampdown_rate,
369 			    DA9055_DAC_NG_SETUP_TIME, 3,
370 			    da9055_dac_ng_rampdown_txt);
371 
372 /* DAC soft mute rate value */
373 static const char * const da9055_dac_soft_mute_rate_txt[] = {
374 	"1", "2", "4", "8", "16", "32", "64"
375 };
376 
377 static SOC_ENUM_SINGLE_DECL(da9055_dac_soft_mute_rate,
378 			    DA9055_DAC_FILTERS5, 4,
379 			    da9055_dac_soft_mute_rate_txt);
380 
381 /* DAC routing select */
382 static const char * const da9055_dac_src_txt[] = {
383 	"ADC output left", "ADC output right", "AIF input left",
384 	"AIF input right"
385 };
386 
387 static SOC_ENUM_SINGLE_DECL(da9055_dac_l_src,
388 			    DA9055_DIG_ROUTING_DAC, 0, da9055_dac_src_txt);
389 
390 static SOC_ENUM_SINGLE_DECL(da9055_dac_r_src,
391 			    DA9055_DIG_ROUTING_DAC, 4, da9055_dac_src_txt);
392 
393 /* MIC PGA Left source select */
394 static const char * const da9055_mic_l_src_txt[] = {
395 	"MIC1_P_N", "MIC1_P", "MIC1_N", "MIC2_L"
396 };
397 
398 static SOC_ENUM_SINGLE_DECL(da9055_mic_l_src,
399 			    DA9055_MIXIN_L_SELECT, 4, da9055_mic_l_src_txt);
400 
401 /* MIC PGA Right source select */
402 static const char * const da9055_mic_r_src_txt[] = {
403 	"MIC2_R_L", "MIC2_R", "MIC2_L"
404 };
405 
406 static SOC_ENUM_SINGLE_DECL(da9055_mic_r_src,
407 			    DA9055_MIXIN_R_SELECT, 4, da9055_mic_r_src_txt);
408 
409 /* ALC Input Signal Tracking rate select */
410 static const char * const da9055_signal_tracking_rate_txt[] = {
411 	"1/4", "1/16", "1/256", "1/65536"
412 };
413 
414 static SOC_ENUM_SINGLE_DECL(da9055_integ_attack_rate,
415 			    DA9055_ALC_CTRL3, 4,
416 			    da9055_signal_tracking_rate_txt);
417 
418 static SOC_ENUM_SINGLE_DECL(da9055_integ_release_rate,
419 			    DA9055_ALC_CTRL3, 6,
420 			    da9055_signal_tracking_rate_txt);
421 
422 /* ALC Attack Rate select */
423 static const char * const da9055_attack_rate_txt[] = {
424 	"44/fs", "88/fs", "176/fs", "352/fs", "704/fs", "1408/fs", "2816/fs",
425 	"5632/fs", "11264/fs", "22528/fs", "45056/fs", "90112/fs", "180224/fs"
426 };
427 
428 static SOC_ENUM_SINGLE_DECL(da9055_attack_rate,
429 			    DA9055_ALC_CTRL2, 0, da9055_attack_rate_txt);
430 
431 /* ALC Release Rate select */
432 static const char * const da9055_release_rate_txt[] = {
433 	"176/fs", "352/fs", "704/fs", "1408/fs", "2816/fs", "5632/fs",
434 	"11264/fs", "22528/fs", "45056/fs", "90112/fs", "180224/fs"
435 };
436 
437 static SOC_ENUM_SINGLE_DECL(da9055_release_rate,
438 			    DA9055_ALC_CTRL2, 4, da9055_release_rate_txt);
439 
440 /* ALC Hold Time select */
441 static const char * const da9055_hold_time_txt[] = {
442 	"62/fs", "124/fs", "248/fs", "496/fs", "992/fs", "1984/fs", "3968/fs",
443 	"7936/fs", "15872/fs", "31744/fs", "63488/fs", "126976/fs",
444 	"253952/fs", "507904/fs", "1015808/fs", "2031616/fs"
445 };
446 
447 static SOC_ENUM_SINGLE_DECL(da9055_hold_time,
448 			    DA9055_ALC_CTRL3, 0, da9055_hold_time_txt);
449 
450 static int da9055_get_alc_data(struct snd_soc_component *component, u8 reg_val)
451 {
452 	int mid_data, top_data;
453 	int sum = 0;
454 	u8 iteration;
455 
456 	for (iteration = 0; iteration < DA9055_ALC_AVG_ITERATIONS;
457 	     iteration++) {
458 		/* Select the left or right channel and capture data */
459 		snd_soc_component_write(component, DA9055_ALC_CIC_OP_LVL_CTRL, reg_val);
460 
461 		/* Select middle 8 bits for read back from data register */
462 		snd_soc_component_write(component, DA9055_ALC_CIC_OP_LVL_CTRL,
463 			      reg_val | DA9055_ALC_DATA_MIDDLE);
464 		mid_data = snd_soc_component_read(component, DA9055_ALC_CIC_OP_LVL_DATA);
465 
466 		/* Select top 8 bits for read back from data register */
467 		snd_soc_component_write(component, DA9055_ALC_CIC_OP_LVL_CTRL,
468 			      reg_val | DA9055_ALC_DATA_TOP);
469 		top_data = snd_soc_component_read(component, DA9055_ALC_CIC_OP_LVL_DATA);
470 
471 		sum += ((mid_data << 8) | (top_data << 16));
472 	}
473 
474 	return sum / DA9055_ALC_AVG_ITERATIONS;
475 }
476 
477 static int da9055_put_alc_sw(struct snd_kcontrol *kcontrol,
478 			     struct snd_ctl_elem_value *ucontrol)
479 {
480 	struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol);
481 	u8 reg_val, adc_left, adc_right, mic_left, mic_right;
482 	int avg_left_data, avg_right_data, offset_l, offset_r;
483 
484 	if (ucontrol->value.integer.value[0]) {
485 		/*
486 		 * While enabling ALC (or ALC sync mode), calibration of the DC
487 		 * offsets must be done first
488 		 */
489 
490 		/* Save current values from Mic control registers */
491 		mic_left = snd_soc_component_read(component, DA9055_MIC_L_CTRL);
492 		mic_right = snd_soc_component_read(component, DA9055_MIC_R_CTRL);
493 
494 		/* Mute Mic PGA Left and Right */
495 		snd_soc_component_update_bits(component, DA9055_MIC_L_CTRL,
496 				    DA9055_MIC_L_MUTE_EN, DA9055_MIC_L_MUTE_EN);
497 		snd_soc_component_update_bits(component, DA9055_MIC_R_CTRL,
498 				    DA9055_MIC_R_MUTE_EN, DA9055_MIC_R_MUTE_EN);
499 
500 		/* Save current values from ADC control registers */
501 		adc_left = snd_soc_component_read(component, DA9055_ADC_L_CTRL);
502 		adc_right = snd_soc_component_read(component, DA9055_ADC_R_CTRL);
503 
504 		/* Enable ADC Left and Right */
505 		snd_soc_component_update_bits(component, DA9055_ADC_L_CTRL,
506 				    DA9055_ADC_L_EN, DA9055_ADC_L_EN);
507 		snd_soc_component_update_bits(component, DA9055_ADC_R_CTRL,
508 				    DA9055_ADC_R_EN, DA9055_ADC_R_EN);
509 
510 		/* Calculate average for Left and Right data */
511 		/* Left Data */
512 		avg_left_data = da9055_get_alc_data(component,
513 				DA9055_ALC_CIC_OP_CHANNEL_LEFT);
514 		/* Right Data */
515 		avg_right_data = da9055_get_alc_data(component,
516 				 DA9055_ALC_CIC_OP_CHANNEL_RIGHT);
517 
518 		/* Calculate DC offset */
519 		offset_l = -avg_left_data;
520 		offset_r = -avg_right_data;
521 
522 		reg_val = (offset_l & DA9055_ALC_OFFSET_15_8) >> 8;
523 		snd_soc_component_write(component, DA9055_ALC_OFFSET_OP2M_L, reg_val);
524 		reg_val = (offset_l & DA9055_ALC_OFFSET_17_16) >> 16;
525 		snd_soc_component_write(component, DA9055_ALC_OFFSET_OP2U_L, reg_val);
526 
527 		reg_val = (offset_r & DA9055_ALC_OFFSET_15_8) >> 8;
528 		snd_soc_component_write(component, DA9055_ALC_OFFSET_OP2M_R, reg_val);
529 		reg_val = (offset_r & DA9055_ALC_OFFSET_17_16) >> 16;
530 		snd_soc_component_write(component, DA9055_ALC_OFFSET_OP2U_R, reg_val);
531 
532 		/* Restore original values of ADC control registers */
533 		snd_soc_component_write(component, DA9055_ADC_L_CTRL, adc_left);
534 		snd_soc_component_write(component, DA9055_ADC_R_CTRL, adc_right);
535 
536 		/* Restore original values of Mic control registers */
537 		snd_soc_component_write(component, DA9055_MIC_L_CTRL, mic_left);
538 		snd_soc_component_write(component, DA9055_MIC_R_CTRL, mic_right);
539 	}
540 
541 	return snd_soc_put_volsw(kcontrol, ucontrol);
542 }
543 
544 static const struct snd_kcontrol_new da9055_snd_controls[] = {
545 
546 	/* Volume controls */
547 	SOC_DOUBLE_R_TLV("Mic Volume",
548 			 DA9055_MIC_L_GAIN, DA9055_MIC_R_GAIN,
549 			 0, 0x7, 0, mic_vol_tlv),
550 	SOC_DOUBLE_R_TLV("Aux Volume",
551 			 DA9055_AUX_L_GAIN, DA9055_AUX_R_GAIN,
552 			 0, 0x3f, 0, aux_vol_tlv),
553 	SOC_DOUBLE_R_TLV("Mixin PGA Volume",
554 			 DA9055_MIXIN_L_GAIN, DA9055_MIXIN_R_GAIN,
555 			 0, 0xf, 0, mixin_gain_tlv),
556 	SOC_DOUBLE_R_TLV("ADC Volume",
557 			 DA9055_ADC_L_GAIN, DA9055_ADC_R_GAIN,
558 			 0, 0x7f, 0, digital_gain_tlv),
559 
560 	SOC_DOUBLE_R_TLV("DAC Volume",
561 			 DA9055_DAC_L_GAIN, DA9055_DAC_R_GAIN,
562 			 0, 0x7f, 0, digital_gain_tlv),
563 	SOC_DOUBLE_R_TLV("Headphone Volume",
564 			 DA9055_HP_L_GAIN, DA9055_HP_R_GAIN,
565 			 0, 0x3f, 0, hp_vol_tlv),
566 	SOC_SINGLE_TLV("Lineout Volume", DA9055_LINE_GAIN, 0, 0x3f, 0,
567 		       lineout_vol_tlv),
568 
569 	/* DAC Equalizer controls */
570 	SOC_SINGLE("DAC EQ Switch", DA9055_DAC_FILTERS4, 7, 1, 0),
571 	SOC_SINGLE_TLV("DAC EQ1 Volume", DA9055_DAC_FILTERS2, 0, 0xf, 0,
572 		       eq_gain_tlv),
573 	SOC_SINGLE_TLV("DAC EQ2 Volume", DA9055_DAC_FILTERS2, 4, 0xf, 0,
574 		       eq_gain_tlv),
575 	SOC_SINGLE_TLV("DAC EQ3 Volume", DA9055_DAC_FILTERS3, 0, 0xf, 0,
576 		       eq_gain_tlv),
577 	SOC_SINGLE_TLV("DAC EQ4 Volume", DA9055_DAC_FILTERS3, 4, 0xf, 0,
578 		       eq_gain_tlv),
579 	SOC_SINGLE_TLV("DAC EQ5 Volume", DA9055_DAC_FILTERS4, 0, 0xf, 0,
580 		       eq_gain_tlv),
581 
582 	/* High Pass Filter and Voice Mode controls */
583 	SOC_SINGLE("ADC HPF Switch", DA9055_ADC_FILTERS1, 7, 1, 0),
584 	SOC_ENUM("ADC HPF Cutoff", da9055_adc_hpf_cutoff),
585 	SOC_SINGLE("ADC Voice Mode Switch", DA9055_ADC_FILTERS1, 3, 1, 0),
586 	SOC_ENUM("ADC Voice Cutoff", da9055_adc_vf_cutoff),
587 
588 	SOC_SINGLE("DAC HPF Switch", DA9055_DAC_FILTERS1, 7, 1, 0),
589 	SOC_ENUM("DAC HPF Cutoff", da9055_dac_hpf_cutoff),
590 	SOC_SINGLE("DAC Voice Mode Switch", DA9055_DAC_FILTERS1, 3, 1, 0),
591 	SOC_ENUM("DAC Voice Cutoff", da9055_dac_vf_cutoff),
592 
593 	/* Mute controls */
594 	SOC_DOUBLE_R("Mic Switch", DA9055_MIC_L_CTRL,
595 		     DA9055_MIC_R_CTRL, 6, 1, 0),
596 	SOC_DOUBLE_R("Aux Switch", DA9055_AUX_L_CTRL,
597 		     DA9055_AUX_R_CTRL, 6, 1, 0),
598 	SOC_DOUBLE_R("Mixin PGA Switch", DA9055_MIXIN_L_CTRL,
599 		     DA9055_MIXIN_R_CTRL, 6, 1, 0),
600 	SOC_DOUBLE_R("ADC Switch", DA9055_ADC_L_CTRL,
601 		     DA9055_ADC_R_CTRL, 6, 1, 0),
602 	SOC_DOUBLE_R("Headphone Switch", DA9055_HP_L_CTRL,
603 		     DA9055_HP_R_CTRL, 6, 1, 0),
604 	SOC_SINGLE("Lineout Switch", DA9055_LINE_CTRL, 6, 1, 0),
605 	SOC_SINGLE("DAC Soft Mute Switch", DA9055_DAC_FILTERS5, 7, 1, 0),
606 	SOC_ENUM("DAC Soft Mute Rate", da9055_dac_soft_mute_rate),
607 
608 	/* Zero Cross controls */
609 	SOC_DOUBLE_R("Aux ZC Switch", DA9055_AUX_L_CTRL,
610 		     DA9055_AUX_R_CTRL, 4, 1, 0),
611 	SOC_DOUBLE_R("Mixin PGA ZC Switch", DA9055_MIXIN_L_CTRL,
612 		     DA9055_MIXIN_R_CTRL, 4, 1, 0),
613 	SOC_DOUBLE_R("Headphone ZC Switch", DA9055_HP_L_CTRL,
614 		     DA9055_HP_R_CTRL, 4, 1, 0),
615 	SOC_SINGLE("Lineout ZC Switch", DA9055_LINE_CTRL, 4, 1, 0),
616 
617 	/* Gain Ramping controls */
618 	SOC_DOUBLE_R("Aux Gain Ramping Switch", DA9055_AUX_L_CTRL,
619 		     DA9055_AUX_R_CTRL, 5, 1, 0),
620 	SOC_DOUBLE_R("Mixin Gain Ramping Switch", DA9055_MIXIN_L_CTRL,
621 		     DA9055_MIXIN_R_CTRL, 5, 1, 0),
622 	SOC_DOUBLE_R("ADC Gain Ramping Switch", DA9055_ADC_L_CTRL,
623 		     DA9055_ADC_R_CTRL, 5, 1, 0),
624 	SOC_DOUBLE_R("DAC Gain Ramping Switch", DA9055_DAC_L_CTRL,
625 		     DA9055_DAC_R_CTRL, 5, 1, 0),
626 	SOC_DOUBLE_R("Headphone Gain Ramping Switch", DA9055_HP_L_CTRL,
627 		     DA9055_HP_R_CTRL, 5, 1, 0),
628 	SOC_SINGLE("Lineout Gain Ramping Switch", DA9055_LINE_CTRL, 5, 1, 0),
629 	SOC_ENUM("Gain Ramping Rate", da9055_gain_ramping_rate),
630 
631 	/* DAC Noise Gate controls */
632 	SOC_SINGLE("DAC NG Switch", DA9055_DAC_NG_CTRL, 7, 1, 0),
633 	SOC_SINGLE("DAC NG ON Threshold", DA9055_DAC_NG_ON_THRESHOLD,
634 		   0, 0x7, 0),
635 	SOC_SINGLE("DAC NG OFF Threshold", DA9055_DAC_NG_OFF_THRESHOLD,
636 		   0, 0x7, 0),
637 	SOC_ENUM("DAC NG Setup Time", da9055_dac_ng_setup_time),
638 	SOC_ENUM("DAC NG Rampup Rate", da9055_dac_ng_rampup_rate),
639 	SOC_ENUM("DAC NG Rampdown Rate", da9055_dac_ng_rampdown_rate),
640 
641 	/* DAC Invertion control */
642 	SOC_SINGLE("DAC Left Invert", DA9055_DIG_CTRL, 3, 1, 0),
643 	SOC_SINGLE("DAC Right Invert", DA9055_DIG_CTRL, 7, 1, 0),
644 
645 	/* DMIC controls */
646 	SOC_DOUBLE_R("DMIC Switch", DA9055_MIXIN_L_SELECT,
647 		     DA9055_MIXIN_R_SELECT, 7, 1, 0),
648 
649 	/* ALC Controls */
650 	SOC_DOUBLE_EXT("ALC Switch", DA9055_ALC_CTRL1, 3, 7, 1, 0,
651 		       snd_soc_get_volsw, da9055_put_alc_sw),
652 	SOC_SINGLE_EXT("ALC Sync Mode Switch", DA9055_ALC_CTRL1, 1, 1, 0,
653 		       snd_soc_get_volsw, da9055_put_alc_sw),
654 	SOC_SINGLE("ALC Offset Switch", DA9055_ALC_CTRL1, 0, 1, 0),
655 	SOC_SINGLE("ALC Anticlip Mode Switch", DA9055_ALC_ANTICLIP_CTRL,
656 		   7, 1, 0),
657 	SOC_SINGLE("ALC Anticlip Level", DA9055_ALC_ANTICLIP_LEVEL,
658 		   0, 0x7f, 0),
659 	SOC_SINGLE_TLV("ALC Min Threshold Volume", DA9055_ALC_TARGET_MIN,
660 		       0, 0x3f, 1, alc_threshold_tlv),
661 	SOC_SINGLE_TLV("ALC Max Threshold Volume", DA9055_ALC_TARGET_MAX,
662 		       0, 0x3f, 1, alc_threshold_tlv),
663 	SOC_SINGLE_TLV("ALC Noise Threshold Volume", DA9055_ALC_NOISE,
664 		       0, 0x3f, 1, alc_threshold_tlv),
665 	SOC_SINGLE_TLV("ALC Max Gain Volume", DA9055_ALC_GAIN_LIMITS,
666 		       4, 0xf, 0, alc_gain_tlv),
667 	SOC_SINGLE_TLV("ALC Max Attenuation Volume", DA9055_ALC_GAIN_LIMITS,
668 		       0, 0xf, 0, alc_gain_tlv),
669 	SOC_SINGLE_TLV("ALC Min Analog Gain Volume",
670 		       DA9055_ALC_ANA_GAIN_LIMITS,
671 		       0, 0x7, 0, alc_analog_gain_tlv),
672 	SOC_SINGLE_TLV("ALC Max Analog Gain Volume",
673 		       DA9055_ALC_ANA_GAIN_LIMITS,
674 		       4, 0x7, 0, alc_analog_gain_tlv),
675 	SOC_ENUM("ALC Attack Rate", da9055_attack_rate),
676 	SOC_ENUM("ALC Release Rate", da9055_release_rate),
677 	SOC_ENUM("ALC Hold Time", da9055_hold_time),
678 	/*
679 	 * Rate at which input signal envelope is tracked as the signal gets
680 	 * larger
681 	 */
682 	SOC_ENUM("ALC Integ Attack Rate", da9055_integ_attack_rate),
683 	/*
684 	 * Rate at which input signal envelope is tracked as the signal gets
685 	 * smaller
686 	 */
687 	SOC_ENUM("ALC Integ Release Rate", da9055_integ_release_rate),
688 };
689 
690 /* DAPM Controls */
691 
692 /* Mic PGA Left Source */
693 static const struct snd_kcontrol_new da9055_mic_l_mux_controls =
694 SOC_DAPM_ENUM("Route", da9055_mic_l_src);
695 
696 /* Mic PGA Right Source */
697 static const struct snd_kcontrol_new da9055_mic_r_mux_controls =
698 SOC_DAPM_ENUM("Route", da9055_mic_r_src);
699 
700 /* In Mixer Left */
701 static const struct snd_kcontrol_new da9055_dapm_mixinl_controls[] = {
702 	SOC_DAPM_SINGLE("Aux Left Switch", DA9055_MIXIN_L_SELECT, 0, 1, 0),
703 	SOC_DAPM_SINGLE("Mic Left Switch", DA9055_MIXIN_L_SELECT, 1, 1, 0),
704 	SOC_DAPM_SINGLE("Mic Right Switch", DA9055_MIXIN_L_SELECT, 2, 1, 0),
705 };
706 
707 /* In Mixer Right */
708 static const struct snd_kcontrol_new da9055_dapm_mixinr_controls[] = {
709 	SOC_DAPM_SINGLE("Aux Right Switch", DA9055_MIXIN_R_SELECT, 0, 1, 0),
710 	SOC_DAPM_SINGLE("Mic Right Switch", DA9055_MIXIN_R_SELECT, 1, 1, 0),
711 	SOC_DAPM_SINGLE("Mic Left Switch", DA9055_MIXIN_R_SELECT, 2, 1, 0),
712 	SOC_DAPM_SINGLE("Mixin Left Switch", DA9055_MIXIN_R_SELECT, 3, 1, 0),
713 };
714 
715 /* DAC Left Source */
716 static const struct snd_kcontrol_new da9055_dac_l_mux_controls =
717 SOC_DAPM_ENUM("Route", da9055_dac_l_src);
718 
719 /* DAC Right Source */
720 static const struct snd_kcontrol_new da9055_dac_r_mux_controls =
721 SOC_DAPM_ENUM("Route", da9055_dac_r_src);
722 
723 /* Out Mixer Left */
724 static const struct snd_kcontrol_new da9055_dapm_mixoutl_controls[] = {
725 	SOC_DAPM_SINGLE("Aux Left Switch", DA9055_MIXOUT_L_SELECT, 0, 1, 0),
726 	SOC_DAPM_SINGLE("Mixin Left Switch", DA9055_MIXOUT_L_SELECT, 1, 1, 0),
727 	SOC_DAPM_SINGLE("Mixin Right Switch", DA9055_MIXOUT_L_SELECT, 2, 1, 0),
728 	SOC_DAPM_SINGLE("DAC Left Switch", DA9055_MIXOUT_L_SELECT, 3, 1, 0),
729 	SOC_DAPM_SINGLE("Aux Left Invert Switch", DA9055_MIXOUT_L_SELECT,
730 			4, 1, 0),
731 	SOC_DAPM_SINGLE("Mixin Left Invert Switch", DA9055_MIXOUT_L_SELECT,
732 			5, 1, 0),
733 	SOC_DAPM_SINGLE("Mixin Right Invert Switch", DA9055_MIXOUT_L_SELECT,
734 			6, 1, 0),
735 };
736 
737 /* Out Mixer Right */
738 static const struct snd_kcontrol_new da9055_dapm_mixoutr_controls[] = {
739 	SOC_DAPM_SINGLE("Aux Right Switch", DA9055_MIXOUT_R_SELECT, 0, 1, 0),
740 	SOC_DAPM_SINGLE("Mixin Right Switch", DA9055_MIXOUT_R_SELECT, 1, 1, 0),
741 	SOC_DAPM_SINGLE("Mixin Left Switch", DA9055_MIXOUT_R_SELECT, 2, 1, 0),
742 	SOC_DAPM_SINGLE("DAC Right Switch", DA9055_MIXOUT_R_SELECT, 3, 1, 0),
743 	SOC_DAPM_SINGLE("Aux Right Invert Switch", DA9055_MIXOUT_R_SELECT,
744 			4, 1, 0),
745 	SOC_DAPM_SINGLE("Mixin Right Invert Switch", DA9055_MIXOUT_R_SELECT,
746 			5, 1, 0),
747 	SOC_DAPM_SINGLE("Mixin Left Invert Switch", DA9055_MIXOUT_R_SELECT,
748 			6, 1, 0),
749 };
750 
751 /* Headphone Output Enable */
752 static const struct snd_kcontrol_new da9055_dapm_hp_l_control =
753 SOC_DAPM_SINGLE("Switch", DA9055_HP_L_CTRL, 3, 1, 0);
754 
755 static const struct snd_kcontrol_new da9055_dapm_hp_r_control =
756 SOC_DAPM_SINGLE("Switch", DA9055_HP_R_CTRL, 3, 1, 0);
757 
758 /* Lineout Output Enable */
759 static const struct snd_kcontrol_new da9055_dapm_lineout_control =
760 SOC_DAPM_SINGLE("Switch", DA9055_LINE_CTRL, 3, 1, 0);
761 
762 /* DAPM widgets */
763 static const struct snd_soc_dapm_widget da9055_dapm_widgets[] = {
764 	/* Input Side */
765 
766 	/* Input Lines */
767 	SND_SOC_DAPM_INPUT("MIC1"),
768 	SND_SOC_DAPM_INPUT("MIC2"),
769 	SND_SOC_DAPM_INPUT("AUXL"),
770 	SND_SOC_DAPM_INPUT("AUXR"),
771 
772 	/* MUXs for Mic PGA source selection */
773 	SND_SOC_DAPM_MUX("Mic Left Source", SND_SOC_NOPM, 0, 0,
774 			 &da9055_mic_l_mux_controls),
775 	SND_SOC_DAPM_MUX("Mic Right Source", SND_SOC_NOPM, 0, 0,
776 			 &da9055_mic_r_mux_controls),
777 
778 	/* Input PGAs */
779 	SND_SOC_DAPM_PGA("Mic Left", DA9055_MIC_L_CTRL, 7, 0, NULL, 0),
780 	SND_SOC_DAPM_PGA("Mic Right", DA9055_MIC_R_CTRL, 7, 0, NULL, 0),
781 	SND_SOC_DAPM_PGA("Aux Left", DA9055_AUX_L_CTRL, 7, 0, NULL, 0),
782 	SND_SOC_DAPM_PGA("Aux Right", DA9055_AUX_R_CTRL, 7, 0, NULL, 0),
783 	SND_SOC_DAPM_PGA("MIXIN Left", DA9055_MIXIN_L_CTRL, 7, 0, NULL, 0),
784 	SND_SOC_DAPM_PGA("MIXIN Right", DA9055_MIXIN_R_CTRL, 7, 0, NULL, 0),
785 
786 	SND_SOC_DAPM_SUPPLY("Mic Bias", DA9055_MIC_BIAS_CTRL, 7, 0, NULL, 0),
787 	SND_SOC_DAPM_SUPPLY("AIF", DA9055_AIF_CTRL, 7, 0, NULL, 0),
788 	SND_SOC_DAPM_SUPPLY("Charge Pump", DA9055_CP_CTRL, 7, 0, NULL, 0),
789 
790 	/* Input Mixers */
791 	SND_SOC_DAPM_MIXER("In Mixer Left", SND_SOC_NOPM, 0, 0,
792 			   &da9055_dapm_mixinl_controls[0],
793 			   ARRAY_SIZE(da9055_dapm_mixinl_controls)),
794 	SND_SOC_DAPM_MIXER("In Mixer Right", SND_SOC_NOPM, 0, 0,
795 			   &da9055_dapm_mixinr_controls[0],
796 			   ARRAY_SIZE(da9055_dapm_mixinr_controls)),
797 
798 	/* ADCs */
799 	SND_SOC_DAPM_ADC("ADC Left", "Capture", DA9055_ADC_L_CTRL, 7, 0),
800 	SND_SOC_DAPM_ADC("ADC Right", "Capture", DA9055_ADC_R_CTRL, 7, 0),
801 
802 	/* Output Side */
803 
804 	/* MUXs for DAC source selection */
805 	SND_SOC_DAPM_MUX("DAC Left Source", SND_SOC_NOPM, 0, 0,
806 			 &da9055_dac_l_mux_controls),
807 	SND_SOC_DAPM_MUX("DAC Right Source", SND_SOC_NOPM, 0, 0,
808 			 &da9055_dac_r_mux_controls),
809 
810 	/* AIF input */
811 	SND_SOC_DAPM_AIF_IN("AIFIN Left", "Playback", 0, SND_SOC_NOPM, 0, 0),
812 	SND_SOC_DAPM_AIF_IN("AIFIN Right", "Playback", 0, SND_SOC_NOPM, 0, 0),
813 
814 	/* DACs */
815 	SND_SOC_DAPM_DAC("DAC Left", "Playback", DA9055_DAC_L_CTRL, 7, 0),
816 	SND_SOC_DAPM_DAC("DAC Right", "Playback", DA9055_DAC_R_CTRL, 7, 0),
817 
818 	/* Output Mixers */
819 	SND_SOC_DAPM_MIXER("Out Mixer Left", SND_SOC_NOPM, 0, 0,
820 			   &da9055_dapm_mixoutl_controls[0],
821 			   ARRAY_SIZE(da9055_dapm_mixoutl_controls)),
822 	SND_SOC_DAPM_MIXER("Out Mixer Right", SND_SOC_NOPM, 0, 0,
823 			   &da9055_dapm_mixoutr_controls[0],
824 			   ARRAY_SIZE(da9055_dapm_mixoutr_controls)),
825 
826 	/* Output Enable Switches */
827 	SND_SOC_DAPM_SWITCH("Headphone Left Enable", SND_SOC_NOPM, 0, 0,
828 			    &da9055_dapm_hp_l_control),
829 	SND_SOC_DAPM_SWITCH("Headphone Right Enable", SND_SOC_NOPM, 0, 0,
830 			    &da9055_dapm_hp_r_control),
831 	SND_SOC_DAPM_SWITCH("Lineout Enable", SND_SOC_NOPM, 0, 0,
832 			    &da9055_dapm_lineout_control),
833 
834 	/* Output PGAs */
835 	SND_SOC_DAPM_PGA("MIXOUT Left", DA9055_MIXOUT_L_CTRL, 7, 0, NULL, 0),
836 	SND_SOC_DAPM_PGA("MIXOUT Right", DA9055_MIXOUT_R_CTRL, 7, 0, NULL, 0),
837 	SND_SOC_DAPM_PGA("Lineout", DA9055_LINE_CTRL, 7, 0, NULL, 0),
838 	SND_SOC_DAPM_PGA("Headphone Left", DA9055_HP_L_CTRL, 7, 0, NULL, 0),
839 	SND_SOC_DAPM_PGA("Headphone Right", DA9055_HP_R_CTRL, 7, 0, NULL, 0),
840 
841 	/* Output Lines */
842 	SND_SOC_DAPM_OUTPUT("HPL"),
843 	SND_SOC_DAPM_OUTPUT("HPR"),
844 	SND_SOC_DAPM_OUTPUT("LINE"),
845 };
846 
847 /* DAPM audio route definition */
848 static const struct snd_soc_dapm_route da9055_audio_map[] = {
849 	/* Dest       Connecting Widget    source */
850 
851 	/* Input path */
852 	{"Mic Left Source", "MIC1_P_N", "MIC1"},
853 	{"Mic Left Source", "MIC1_P", "MIC1"},
854 	{"Mic Left Source", "MIC1_N", "MIC1"},
855 	{"Mic Left Source", "MIC2_L", "MIC2"},
856 
857 	{"Mic Right Source", "MIC2_R_L", "MIC2"},
858 	{"Mic Right Source", "MIC2_R", "MIC2"},
859 	{"Mic Right Source", "MIC2_L", "MIC2"},
860 
861 	{"Mic Left", NULL, "Mic Left Source"},
862 	{"Mic Right", NULL, "Mic Right Source"},
863 
864 	{"Aux Left", NULL, "AUXL"},
865 	{"Aux Right", NULL, "AUXR"},
866 
867 	{"In Mixer Left", "Mic Left Switch", "Mic Left"},
868 	{"In Mixer Left", "Mic Right Switch", "Mic Right"},
869 	{"In Mixer Left", "Aux Left Switch", "Aux Left"},
870 
871 	{"In Mixer Right", "Mic Right Switch", "Mic Right"},
872 	{"In Mixer Right", "Mic Left Switch", "Mic Left"},
873 	{"In Mixer Right", "Aux Right Switch", "Aux Right"},
874 	{"In Mixer Right", "Mixin Left Switch", "MIXIN Left"},
875 
876 	{"MIXIN Left", NULL, "In Mixer Left"},
877 	{"ADC Left", NULL, "MIXIN Left"},
878 
879 	{"MIXIN Right", NULL, "In Mixer Right"},
880 	{"ADC Right", NULL, "MIXIN Right"},
881 
882 	{"ADC Left", NULL, "AIF"},
883 	{"ADC Right", NULL, "AIF"},
884 
885 	/* Output path */
886 	{"AIFIN Left", NULL, "AIF"},
887 	{"AIFIN Right", NULL, "AIF"},
888 
889 	{"DAC Left Source", "ADC output left", "ADC Left"},
890 	{"DAC Left Source", "ADC output right", "ADC Right"},
891 	{"DAC Left Source", "AIF input left", "AIFIN Left"},
892 	{"DAC Left Source", "AIF input right", "AIFIN Right"},
893 
894 	{"DAC Right Source", "ADC output left", "ADC Left"},
895 	{"DAC Right Source", "ADC output right", "ADC Right"},
896 	{"DAC Right Source", "AIF input left", "AIFIN Left"},
897 	{"DAC Right Source", "AIF input right", "AIFIN Right"},
898 
899 	{"DAC Left", NULL, "DAC Left Source"},
900 	{"DAC Right", NULL, "DAC Right Source"},
901 
902 	{"Out Mixer Left", "Aux Left Switch", "Aux Left"},
903 	{"Out Mixer Left", "Mixin Left Switch", "MIXIN Left"},
904 	{"Out Mixer Left", "Mixin Right Switch", "MIXIN Right"},
905 	{"Out Mixer Left", "Aux Left Invert Switch", "Aux Left"},
906 	{"Out Mixer Left", "Mixin Left Invert Switch", "MIXIN Left"},
907 	{"Out Mixer Left", "Mixin Right Invert Switch", "MIXIN Right"},
908 	{"Out Mixer Left", "DAC Left Switch", "DAC Left"},
909 
910 	{"Out Mixer Right", "Aux Right Switch", "Aux Right"},
911 	{"Out Mixer Right", "Mixin Right Switch", "MIXIN Right"},
912 	{"Out Mixer Right", "Mixin Left Switch", "MIXIN Left"},
913 	{"Out Mixer Right", "Aux Right Invert Switch", "Aux Right"},
914 	{"Out Mixer Right", "Mixin Right Invert Switch", "MIXIN Right"},
915 	{"Out Mixer Right", "Mixin Left Invert Switch", "MIXIN Left"},
916 	{"Out Mixer Right", "DAC Right Switch", "DAC Right"},
917 
918 	{"MIXOUT Left", NULL, "Out Mixer Left"},
919 	{"Headphone Left Enable", "Switch", "MIXOUT Left"},
920 	{"Headphone Left", NULL, "Headphone Left Enable"},
921 	{"Headphone Left", NULL, "Charge Pump"},
922 	{"HPL", NULL, "Headphone Left"},
923 
924 	{"MIXOUT Right", NULL, "Out Mixer Right"},
925 	{"Headphone Right Enable", "Switch", "MIXOUT Right"},
926 	{"Headphone Right", NULL, "Headphone Right Enable"},
927 	{"Headphone Right", NULL, "Charge Pump"},
928 	{"HPR", NULL, "Headphone Right"},
929 
930 	{"MIXOUT Right", NULL, "Out Mixer Right"},
931 	{"Lineout Enable", "Switch", "MIXOUT Right"},
932 	{"Lineout", NULL, "Lineout Enable"},
933 	{"LINE", NULL, "Lineout"},
934 };
935 
936 /* Codec private data */
937 struct da9055_priv {
938 	struct regmap *regmap;
939 	unsigned int mclk_rate;
940 	int master;
941 	struct da9055_platform_data *pdata;
942 };
943 
944 static const struct reg_default da9055_reg_defaults[] = {
945 	{ 0x21, 0x10 },
946 	{ 0x22, 0x0A },
947 	{ 0x23, 0x00 },
948 	{ 0x24, 0x00 },
949 	{ 0x25, 0x00 },
950 	{ 0x26, 0x00 },
951 	{ 0x27, 0x0C },
952 	{ 0x28, 0x01 },
953 	{ 0x29, 0x08 },
954 	{ 0x2A, 0x32 },
955 	{ 0x2B, 0x00 },
956 	{ 0x30, 0x35 },
957 	{ 0x31, 0x35 },
958 	{ 0x32, 0x00 },
959 	{ 0x33, 0x00 },
960 	{ 0x34, 0x03 },
961 	{ 0x35, 0x03 },
962 	{ 0x36, 0x6F },
963 	{ 0x37, 0x6F },
964 	{ 0x38, 0x80 },
965 	{ 0x39, 0x01 },
966 	{ 0x3A, 0x01 },
967 	{ 0x40, 0x00 },
968 	{ 0x41, 0x88 },
969 	{ 0x42, 0x88 },
970 	{ 0x43, 0x08 },
971 	{ 0x44, 0x80 },
972 	{ 0x45, 0x6F },
973 	{ 0x46, 0x6F },
974 	{ 0x47, 0x61 },
975 	{ 0x48, 0x35 },
976 	{ 0x49, 0x35 },
977 	{ 0x4A, 0x35 },
978 	{ 0x4B, 0x00 },
979 	{ 0x4C, 0x00 },
980 	{ 0x60, 0x44 },
981 	{ 0x61, 0x44 },
982 	{ 0x62, 0x00 },
983 	{ 0x63, 0x40 },
984 	{ 0x64, 0x40 },
985 	{ 0x65, 0x40 },
986 	{ 0x66, 0x40 },
987 	{ 0x67, 0x40 },
988 	{ 0x68, 0x40 },
989 	{ 0x69, 0x48 },
990 	{ 0x6A, 0x40 },
991 	{ 0x6B, 0x41 },
992 	{ 0x6C, 0x40 },
993 	{ 0x6D, 0x40 },
994 	{ 0x6E, 0x10 },
995 	{ 0x6F, 0x10 },
996 	{ 0x90, 0x80 },
997 	{ 0x92, 0x02 },
998 	{ 0x93, 0x00 },
999 	{ 0x99, 0x00 },
1000 	{ 0x9A, 0x00 },
1001 	{ 0x9B, 0x00 },
1002 	{ 0x9C, 0x3F },
1003 	{ 0x9D, 0x00 },
1004 	{ 0x9E, 0x3F },
1005 	{ 0x9F, 0xFF },
1006 	{ 0xA0, 0x71 },
1007 	{ 0xA1, 0x00 },
1008 	{ 0xA2, 0x00 },
1009 	{ 0xA6, 0x00 },
1010 	{ 0xA7, 0x00 },
1011 	{ 0xAB, 0x00 },
1012 	{ 0xAC, 0x00 },
1013 	{ 0xAD, 0x00 },
1014 	{ 0xAF, 0x08 },
1015 	{ 0xB0, 0x00 },
1016 	{ 0xB1, 0x00 },
1017 	{ 0xB2, 0x00 },
1018 };
1019 
1020 static bool da9055_volatile_register(struct device *dev,
1021 				     unsigned int reg)
1022 {
1023 	switch (reg) {
1024 	case DA9055_STATUS1:
1025 	case DA9055_PLL_STATUS:
1026 	case DA9055_AUX_L_GAIN_STATUS:
1027 	case DA9055_AUX_R_GAIN_STATUS:
1028 	case DA9055_MIC_L_GAIN_STATUS:
1029 	case DA9055_MIC_R_GAIN_STATUS:
1030 	case DA9055_MIXIN_L_GAIN_STATUS:
1031 	case DA9055_MIXIN_R_GAIN_STATUS:
1032 	case DA9055_ADC_L_GAIN_STATUS:
1033 	case DA9055_ADC_R_GAIN_STATUS:
1034 	case DA9055_DAC_L_GAIN_STATUS:
1035 	case DA9055_DAC_R_GAIN_STATUS:
1036 	case DA9055_HP_L_GAIN_STATUS:
1037 	case DA9055_HP_R_GAIN_STATUS:
1038 	case DA9055_LINE_GAIN_STATUS:
1039 	case DA9055_ALC_CIC_OP_LVL_DATA:
1040 		return true;
1041 	default:
1042 		return false;
1043 	}
1044 }
1045 
1046 /* Set DAI word length */
1047 static int da9055_hw_params(struct snd_pcm_substream *substream,
1048 			    struct snd_pcm_hw_params *params,
1049 			    struct snd_soc_dai *dai)
1050 {
1051 	struct snd_soc_component *component = dai->component;
1052 	struct da9055_priv *da9055 = snd_soc_component_get_drvdata(component);
1053 	u8 aif_ctrl, fs;
1054 	u32 sysclk;
1055 
1056 	switch (params_width(params)) {
1057 	case 16:
1058 		aif_ctrl = DA9055_AIF_WORD_S16_LE;
1059 		break;
1060 	case 20:
1061 		aif_ctrl = DA9055_AIF_WORD_S20_3LE;
1062 		break;
1063 	case 24:
1064 		aif_ctrl = DA9055_AIF_WORD_S24_LE;
1065 		break;
1066 	case 32:
1067 		aif_ctrl = DA9055_AIF_WORD_S32_LE;
1068 		break;
1069 	default:
1070 		return -EINVAL;
1071 	}
1072 
1073 	/* Set AIF format */
1074 	snd_soc_component_update_bits(component, DA9055_AIF_CTRL, DA9055_AIF_WORD_LENGTH_MASK,
1075 			    aif_ctrl);
1076 
1077 	switch (params_rate(params)) {
1078 	case 8000:
1079 		fs		= DA9055_SR_8000;
1080 		sysclk		= 3072000;
1081 		break;
1082 	case 11025:
1083 		fs		= DA9055_SR_11025;
1084 		sysclk		= 2822400;
1085 		break;
1086 	case 12000:
1087 		fs		= DA9055_SR_12000;
1088 		sysclk		= 3072000;
1089 		break;
1090 	case 16000:
1091 		fs		= DA9055_SR_16000;
1092 		sysclk		= 3072000;
1093 		break;
1094 	case 22050:
1095 		fs		= DA9055_SR_22050;
1096 		sysclk		= 2822400;
1097 		break;
1098 	case 32000:
1099 		fs		= DA9055_SR_32000;
1100 		sysclk		= 3072000;
1101 		break;
1102 	case 44100:
1103 		fs		= DA9055_SR_44100;
1104 		sysclk		= 2822400;
1105 		break;
1106 	case 48000:
1107 		fs		= DA9055_SR_48000;
1108 		sysclk		= 3072000;
1109 		break;
1110 	case 88200:
1111 		fs		= DA9055_SR_88200;
1112 		sysclk		= 2822400;
1113 		break;
1114 	case 96000:
1115 		fs		= DA9055_SR_96000;
1116 		sysclk		= 3072000;
1117 		break;
1118 	default:
1119 		return -EINVAL;
1120 	}
1121 
1122 	if (da9055->mclk_rate) {
1123 		/* PLL Mode, Write actual FS */
1124 		snd_soc_component_write(component, DA9055_SR, fs);
1125 	} else {
1126 		/*
1127 		 * Non-PLL Mode
1128 		 * When PLL is bypassed, chip assumes constant MCLK of
1129 		 * 12.288MHz and uses sample rate value to divide this MCLK
1130 		 * to derive its sys clk. As sys clk has to be 256 * Fs, we
1131 		 * need to write constant sample rate i.e. 48KHz.
1132 		 */
1133 		snd_soc_component_write(component, DA9055_SR, DA9055_SR_48000);
1134 	}
1135 
1136 	if (da9055->mclk_rate && (da9055->mclk_rate != sysclk)) {
1137 		/* PLL Mode */
1138 		if (!da9055->master) {
1139 			/* PLL slave mode, enable PLL and also SRM */
1140 			snd_soc_component_update_bits(component, DA9055_PLL_CTRL,
1141 					    DA9055_PLL_EN | DA9055_PLL_SRM_EN,
1142 					    DA9055_PLL_EN | DA9055_PLL_SRM_EN);
1143 		} else {
1144 			/* PLL master mode, only enable PLL */
1145 			snd_soc_component_update_bits(component, DA9055_PLL_CTRL,
1146 					    DA9055_PLL_EN, DA9055_PLL_EN);
1147 		}
1148 	} else {
1149 		/* Non PLL Mode, disable PLL */
1150 		snd_soc_component_update_bits(component, DA9055_PLL_CTRL, DA9055_PLL_EN, 0);
1151 	}
1152 
1153 	return 0;
1154 }
1155 
1156 /* Set DAI mode and Format */
1157 static int da9055_set_dai_fmt(struct snd_soc_dai *codec_dai, unsigned int fmt)
1158 {
1159 	struct snd_soc_component *component = codec_dai->component;
1160 	struct da9055_priv *da9055 = snd_soc_component_get_drvdata(component);
1161 	u8 aif_clk_mode, aif_ctrl, mode;
1162 
1163 	switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
1164 	case SND_SOC_DAIFMT_CBM_CFM:
1165 		/* DA9055 in I2S Master Mode */
1166 		mode = 1;
1167 		aif_clk_mode = DA9055_AIF_CLK_EN_MASTER_MODE;
1168 		break;
1169 	case SND_SOC_DAIFMT_CBS_CFS:
1170 		/* DA9055 in I2S Slave Mode */
1171 		mode = 0;
1172 		aif_clk_mode = DA9055_AIF_CLK_EN_SLAVE_MODE;
1173 		break;
1174 	default:
1175 		return -EINVAL;
1176 	}
1177 
1178 	/* Don't allow change of mode if PLL is enabled */
1179 	if ((snd_soc_component_read(component, DA9055_PLL_CTRL) & DA9055_PLL_EN) &&
1180 	    (da9055->master != mode))
1181 		return -EINVAL;
1182 
1183 	da9055->master = mode;
1184 
1185 	/* Only I2S is supported */
1186 	switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
1187 	case SND_SOC_DAIFMT_I2S:
1188 		aif_ctrl = DA9055_AIF_FORMAT_I2S_MODE;
1189 		break;
1190 	case SND_SOC_DAIFMT_LEFT_J:
1191 		aif_ctrl = DA9055_AIF_FORMAT_LEFT_J;
1192 		break;
1193 	case SND_SOC_DAIFMT_RIGHT_J:
1194 		aif_ctrl = DA9055_AIF_FORMAT_RIGHT_J;
1195 		break;
1196 	case SND_SOC_DAIFMT_DSP_A:
1197 		aif_ctrl = DA9055_AIF_FORMAT_DSP;
1198 		break;
1199 	default:
1200 		return -EINVAL;
1201 	}
1202 
1203 	/* By default only 32 BCLK per WCLK is supported */
1204 	aif_clk_mode |= DA9055_AIF_BCLKS_PER_WCLK_32;
1205 
1206 	snd_soc_component_update_bits(component, DA9055_AIF_CLK_MODE,
1207 			    (DA9055_AIF_CLK_MODE_MASK | DA9055_AIF_BCLK_MASK),
1208 			    aif_clk_mode);
1209 	snd_soc_component_update_bits(component, DA9055_AIF_CTRL, DA9055_AIF_FORMAT_MASK,
1210 			    aif_ctrl);
1211 	return 0;
1212 }
1213 
1214 static int da9055_mute(struct snd_soc_dai *dai, int mute, int direction)
1215 {
1216 	struct snd_soc_component *component = dai->component;
1217 
1218 	if (mute) {
1219 		snd_soc_component_update_bits(component, DA9055_DAC_L_CTRL,
1220 				    DA9055_DAC_L_MUTE_EN, DA9055_DAC_L_MUTE_EN);
1221 		snd_soc_component_update_bits(component, DA9055_DAC_R_CTRL,
1222 				    DA9055_DAC_R_MUTE_EN, DA9055_DAC_R_MUTE_EN);
1223 	} else {
1224 		snd_soc_component_update_bits(component, DA9055_DAC_L_CTRL,
1225 				    DA9055_DAC_L_MUTE_EN, 0);
1226 		snd_soc_component_update_bits(component, DA9055_DAC_R_CTRL,
1227 				    DA9055_DAC_R_MUTE_EN, 0);
1228 	}
1229 
1230 	return 0;
1231 }
1232 
1233 #define DA9055_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S20_3LE |\
1234 			SNDRV_PCM_FMTBIT_S24_LE | SNDRV_PCM_FMTBIT_S32_LE)
1235 
1236 static int da9055_set_dai_sysclk(struct snd_soc_dai *codec_dai,
1237 				 int clk_id, unsigned int freq, int dir)
1238 {
1239 	struct snd_soc_component *component = codec_dai->component;
1240 	struct da9055_priv *da9055 = snd_soc_component_get_drvdata(component);
1241 
1242 	switch (clk_id) {
1243 	case DA9055_CLKSRC_MCLK:
1244 		switch (freq) {
1245 		case 11289600:
1246 		case 12000000:
1247 		case 12288000:
1248 		case 13000000:
1249 		case 13500000:
1250 		case 14400000:
1251 		case 19200000:
1252 		case 19680000:
1253 		case 19800000:
1254 			da9055->mclk_rate = freq;
1255 			return 0;
1256 		default:
1257 			dev_err(codec_dai->dev, "Unsupported MCLK value %d\n",
1258 				freq);
1259 			return -EINVAL;
1260 		}
1261 		break;
1262 	default:
1263 		dev_err(codec_dai->dev, "Unknown clock source %d\n", clk_id);
1264 		return -EINVAL;
1265 	}
1266 }
1267 
1268 /*
1269  * da9055_set_dai_pll	: Configure the codec PLL
1270  * @param codec_dai	: Pointer to codec DAI
1271  * @param pll_id	: da9055 has only one pll, so pll_id is always zero
1272  * @param fref		: Input MCLK frequency
1273  * @param fout		: FsDM value
1274  * @return int		: Zero for success, negative error code for error
1275  *
1276  * Note: Supported PLL input frequencies are 11.2896MHz, 12MHz, 12.288MHz,
1277  *	 13MHz, 13.5MHz, 14.4MHz, 19.2MHz, 19.6MHz and 19.8MHz
1278  */
1279 static int da9055_set_dai_pll(struct snd_soc_dai *codec_dai, int pll_id,
1280 			      int source, unsigned int fref, unsigned int fout)
1281 {
1282 	struct snd_soc_component *component = codec_dai->component;
1283 	struct da9055_priv *da9055 = snd_soc_component_get_drvdata(component);
1284 
1285 	u8 pll_frac_top, pll_frac_bot, pll_integer, cnt;
1286 
1287 	/* Disable PLL before setting the divisors */
1288 	snd_soc_component_update_bits(component, DA9055_PLL_CTRL, DA9055_PLL_EN, 0);
1289 
1290 	/* In slave mode, there is only one set of divisors */
1291 	if (!da9055->master && (fout != 2822400))
1292 		goto pll_err;
1293 
1294 	/* Search pll div array for correct divisors */
1295 	for (cnt = 0; cnt < ARRAY_SIZE(da9055_pll_div); cnt++) {
1296 		/* Check fref, mode  and fout */
1297 		if ((fref == da9055_pll_div[cnt].fref) &&
1298 		    (da9055->master ==  da9055_pll_div[cnt].mode) &&
1299 		    (fout == da9055_pll_div[cnt].fout)) {
1300 			/* All match, pick up divisors */
1301 			pll_frac_top = da9055_pll_div[cnt].frac_top;
1302 			pll_frac_bot = da9055_pll_div[cnt].frac_bot;
1303 			pll_integer = da9055_pll_div[cnt].integer;
1304 			break;
1305 		}
1306 	}
1307 	if (cnt >= ARRAY_SIZE(da9055_pll_div))
1308 		goto pll_err;
1309 
1310 	/* Write PLL dividers */
1311 	snd_soc_component_write(component, DA9055_PLL_FRAC_TOP, pll_frac_top);
1312 	snd_soc_component_write(component, DA9055_PLL_FRAC_BOT, pll_frac_bot);
1313 	snd_soc_component_write(component, DA9055_PLL_INTEGER, pll_integer);
1314 
1315 	return 0;
1316 pll_err:
1317 	dev_err(codec_dai->dev, "Error in setting up PLL\n");
1318 	return -EINVAL;
1319 }
1320 
1321 /* DAI operations */
1322 static const struct snd_soc_dai_ops da9055_dai_ops = {
1323 	.hw_params	= da9055_hw_params,
1324 	.set_fmt	= da9055_set_dai_fmt,
1325 	.set_sysclk	= da9055_set_dai_sysclk,
1326 	.set_pll	= da9055_set_dai_pll,
1327 	.mute_stream	= da9055_mute,
1328 	.no_capture_mute = 1,
1329 };
1330 
1331 static struct snd_soc_dai_driver da9055_dai = {
1332 	.name = "da9055-hifi",
1333 	/* Playback Capabilities */
1334 	.playback = {
1335 		.stream_name = "Playback",
1336 		.channels_min = 1,
1337 		.channels_max = 2,
1338 		.rates = SNDRV_PCM_RATE_8000_96000,
1339 		.formats = DA9055_FORMATS,
1340 	},
1341 	/* Capture Capabilities */
1342 	.capture = {
1343 		.stream_name = "Capture",
1344 		.channels_min = 1,
1345 		.channels_max = 2,
1346 		.rates = SNDRV_PCM_RATE_8000_96000,
1347 		.formats = DA9055_FORMATS,
1348 	},
1349 	.ops = &da9055_dai_ops,
1350 	.symmetric_rate = 1,
1351 };
1352 
1353 static int da9055_set_bias_level(struct snd_soc_component *component,
1354 				 enum snd_soc_bias_level level)
1355 {
1356 	switch (level) {
1357 	case SND_SOC_BIAS_ON:
1358 	case SND_SOC_BIAS_PREPARE:
1359 		break;
1360 	case SND_SOC_BIAS_STANDBY:
1361 		if (snd_soc_component_get_bias_level(component) == SND_SOC_BIAS_OFF) {
1362 			/* Enable VMID reference & master bias */
1363 			snd_soc_component_update_bits(component, DA9055_REFERENCES,
1364 					    DA9055_VMID_EN | DA9055_BIAS_EN,
1365 					    DA9055_VMID_EN | DA9055_BIAS_EN);
1366 		}
1367 		break;
1368 	case SND_SOC_BIAS_OFF:
1369 		/* Disable VMID reference & master bias */
1370 		snd_soc_component_update_bits(component, DA9055_REFERENCES,
1371 				    DA9055_VMID_EN | DA9055_BIAS_EN, 0);
1372 		break;
1373 	}
1374 	return 0;
1375 }
1376 
1377 static int da9055_probe(struct snd_soc_component *component)
1378 {
1379 	struct da9055_priv *da9055 = snd_soc_component_get_drvdata(component);
1380 
1381 	/* Enable all Gain Ramps */
1382 	snd_soc_component_update_bits(component, DA9055_AUX_L_CTRL,
1383 			    DA9055_GAIN_RAMPING_EN, DA9055_GAIN_RAMPING_EN);
1384 	snd_soc_component_update_bits(component, DA9055_AUX_R_CTRL,
1385 			    DA9055_GAIN_RAMPING_EN, DA9055_GAIN_RAMPING_EN);
1386 	snd_soc_component_update_bits(component, DA9055_MIXIN_L_CTRL,
1387 			    DA9055_GAIN_RAMPING_EN, DA9055_GAIN_RAMPING_EN);
1388 	snd_soc_component_update_bits(component, DA9055_MIXIN_R_CTRL,
1389 			    DA9055_GAIN_RAMPING_EN, DA9055_GAIN_RAMPING_EN);
1390 	snd_soc_component_update_bits(component, DA9055_ADC_L_CTRL,
1391 			    DA9055_GAIN_RAMPING_EN, DA9055_GAIN_RAMPING_EN);
1392 	snd_soc_component_update_bits(component, DA9055_ADC_R_CTRL,
1393 			    DA9055_GAIN_RAMPING_EN, DA9055_GAIN_RAMPING_EN);
1394 	snd_soc_component_update_bits(component, DA9055_DAC_L_CTRL,
1395 			    DA9055_GAIN_RAMPING_EN, DA9055_GAIN_RAMPING_EN);
1396 	snd_soc_component_update_bits(component, DA9055_DAC_R_CTRL,
1397 			    DA9055_GAIN_RAMPING_EN, DA9055_GAIN_RAMPING_EN);
1398 	snd_soc_component_update_bits(component, DA9055_HP_L_CTRL,
1399 			    DA9055_GAIN_RAMPING_EN, DA9055_GAIN_RAMPING_EN);
1400 	snd_soc_component_update_bits(component, DA9055_HP_R_CTRL,
1401 			    DA9055_GAIN_RAMPING_EN, DA9055_GAIN_RAMPING_EN);
1402 	snd_soc_component_update_bits(component, DA9055_LINE_CTRL,
1403 			    DA9055_GAIN_RAMPING_EN, DA9055_GAIN_RAMPING_EN);
1404 
1405 	/*
1406 	 * There are two separate control bits for input and output mixers.
1407 	 * One to enable corresponding amplifier and other to enable its
1408 	 * output. As amplifier bits are related to power control, they are
1409 	 * being managed by DAPM while other (non power related) bits are
1410 	 * enabled here
1411 	 */
1412 	snd_soc_component_update_bits(component, DA9055_MIXIN_L_CTRL,
1413 			    DA9055_MIXIN_L_MIX_EN, DA9055_MIXIN_L_MIX_EN);
1414 	snd_soc_component_update_bits(component, DA9055_MIXIN_R_CTRL,
1415 			    DA9055_MIXIN_R_MIX_EN, DA9055_MIXIN_R_MIX_EN);
1416 
1417 	snd_soc_component_update_bits(component, DA9055_MIXOUT_L_CTRL,
1418 			    DA9055_MIXOUT_L_MIX_EN, DA9055_MIXOUT_L_MIX_EN);
1419 	snd_soc_component_update_bits(component, DA9055_MIXOUT_R_CTRL,
1420 			    DA9055_MIXOUT_R_MIX_EN, DA9055_MIXOUT_R_MIX_EN);
1421 
1422 	/* Set this as per your system configuration */
1423 	snd_soc_component_write(component, DA9055_PLL_CTRL, DA9055_PLL_INDIV_10_20_MHZ);
1424 
1425 	/* Set platform data values */
1426 	if (da9055->pdata) {
1427 		/* set mic bias source */
1428 		if (da9055->pdata->micbias_source) {
1429 			snd_soc_component_update_bits(component, DA9055_MIXIN_R_SELECT,
1430 					    DA9055_MICBIAS2_EN,
1431 					    DA9055_MICBIAS2_EN);
1432 		} else {
1433 			snd_soc_component_update_bits(component, DA9055_MIXIN_R_SELECT,
1434 					    DA9055_MICBIAS2_EN, 0);
1435 		}
1436 		/* set mic bias voltage */
1437 		switch (da9055->pdata->micbias) {
1438 		case DA9055_MICBIAS_2_2V:
1439 		case DA9055_MICBIAS_2_1V:
1440 		case DA9055_MICBIAS_1_8V:
1441 		case DA9055_MICBIAS_1_6V:
1442 			snd_soc_component_update_bits(component, DA9055_MIC_CONFIG,
1443 					    DA9055_MICBIAS_LEVEL_MASK,
1444 					    (da9055->pdata->micbias) << 4);
1445 			break;
1446 		}
1447 	}
1448 	return 0;
1449 }
1450 
1451 static const struct snd_soc_component_driver soc_component_dev_da9055 = {
1452 	.probe			= da9055_probe,
1453 	.set_bias_level		= da9055_set_bias_level,
1454 	.controls		= da9055_snd_controls,
1455 	.num_controls		= ARRAY_SIZE(da9055_snd_controls),
1456 	.dapm_widgets		= da9055_dapm_widgets,
1457 	.num_dapm_widgets	= ARRAY_SIZE(da9055_dapm_widgets),
1458 	.dapm_routes		= da9055_audio_map,
1459 	.num_dapm_routes	= ARRAY_SIZE(da9055_audio_map),
1460 	.idle_bias_on		= 1,
1461 	.use_pmdown_time	= 1,
1462 	.endianness		= 1,
1463 	.non_legacy_dai_naming	= 1,
1464 };
1465 
1466 static const struct regmap_config da9055_regmap_config = {
1467 	.reg_bits = 8,
1468 	.val_bits = 8,
1469 
1470 	.reg_defaults = da9055_reg_defaults,
1471 	.num_reg_defaults = ARRAY_SIZE(da9055_reg_defaults),
1472 	.volatile_reg = da9055_volatile_register,
1473 	.cache_type = REGCACHE_RBTREE,
1474 };
1475 
1476 static int da9055_i2c_probe(struct i2c_client *i2c,
1477 			    const struct i2c_device_id *id)
1478 {
1479 	struct da9055_priv *da9055;
1480 	struct da9055_platform_data *pdata = dev_get_platdata(&i2c->dev);
1481 	int ret;
1482 
1483 	da9055 = devm_kzalloc(&i2c->dev, sizeof(struct da9055_priv),
1484 			      GFP_KERNEL);
1485 	if (!da9055)
1486 		return -ENOMEM;
1487 
1488 	if (pdata)
1489 		da9055->pdata = pdata;
1490 
1491 	i2c_set_clientdata(i2c, da9055);
1492 
1493 	da9055->regmap = devm_regmap_init_i2c(i2c, &da9055_regmap_config);
1494 	if (IS_ERR(da9055->regmap)) {
1495 		ret = PTR_ERR(da9055->regmap);
1496 		dev_err(&i2c->dev, "regmap_init() failed: %d\n", ret);
1497 		return ret;
1498 	}
1499 
1500 	ret = devm_snd_soc_register_component(&i2c->dev,
1501 			&soc_component_dev_da9055, &da9055_dai, 1);
1502 	if (ret < 0) {
1503 		dev_err(&i2c->dev, "Failed to register da9055 component: %d\n",
1504 			ret);
1505 	}
1506 	return ret;
1507 }
1508 
1509 /*
1510  * DO NOT change the device Ids. The naming is intentionally specific as both
1511  * the CODEC and PMIC parts of this chip are instantiated separately as I2C
1512  * devices (both have configurable I2C addresses, and are to all intents and
1513  * purposes separate). As a result there are specific DA9055 Ids for CODEC
1514  * and PMIC, which must be different to operate together.
1515  */
1516 static const struct i2c_device_id da9055_i2c_id[] = {
1517 	{ "da9055-codec", 0 },
1518 	{ }
1519 };
1520 MODULE_DEVICE_TABLE(i2c, da9055_i2c_id);
1521 
1522 #ifdef CONFIG_OF
1523 static const struct of_device_id da9055_of_match[] = {
1524 	{ .compatible = "dlg,da9055-codec", },
1525 	{ }
1526 };
1527 MODULE_DEVICE_TABLE(of, da9055_of_match);
1528 #endif
1529 
1530 /* I2C codec control layer */
1531 static struct i2c_driver da9055_i2c_driver = {
1532 	.driver = {
1533 		.name = "da9055-codec",
1534 		.of_match_table = of_match_ptr(da9055_of_match),
1535 	},
1536 	.probe		= da9055_i2c_probe,
1537 	.id_table	= da9055_i2c_id,
1538 };
1539 
1540 module_i2c_driver(da9055_i2c_driver);
1541 
1542 MODULE_DESCRIPTION("ASoC DA9055 Codec driver");
1543 MODULE_AUTHOR("David Chen, Ashish Chavan");
1544 MODULE_LICENSE("GPL");
1545