xref: /linux/sound/soc/codecs/da9055.c (revision 4b660dbd9ee2059850fd30e0df420ca7a38a1856)
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 <sound/pcm.h>
19 #include <sound/pcm_params.h>
20 #include <sound/soc.h>
21 #include <sound/initval.h>
22 #include <sound/tlv.h>
23 #include <sound/da9055.h>
24 
25 /* DA9055 register space */
26 
27 /* Status Registers */
28 #define DA9055_STATUS1			0x02
29 #define DA9055_PLL_STATUS		0x03
30 #define DA9055_AUX_L_GAIN_STATUS	0x04
31 #define DA9055_AUX_R_GAIN_STATUS	0x05
32 #define DA9055_MIC_L_GAIN_STATUS	0x06
33 #define DA9055_MIC_R_GAIN_STATUS	0x07
34 #define DA9055_MIXIN_L_GAIN_STATUS	0x08
35 #define DA9055_MIXIN_R_GAIN_STATUS	0x09
36 #define DA9055_ADC_L_GAIN_STATUS	0x0A
37 #define DA9055_ADC_R_GAIN_STATUS	0x0B
38 #define DA9055_DAC_L_GAIN_STATUS	0x0C
39 #define DA9055_DAC_R_GAIN_STATUS	0x0D
40 #define DA9055_HP_L_GAIN_STATUS		0x0E
41 #define DA9055_HP_R_GAIN_STATUS		0x0F
42 #define DA9055_LINE_GAIN_STATUS		0x10
43 
44 /* System Initialisation Registers */
45 #define DA9055_CIF_CTRL			0x20
46 #define DA9055_DIG_ROUTING_AIF		0X21
47 #define DA9055_SR			0x22
48 #define DA9055_REFERENCES		0x23
49 #define DA9055_PLL_FRAC_TOP		0x24
50 #define DA9055_PLL_FRAC_BOT		0x25
51 #define DA9055_PLL_INTEGER		0x26
52 #define DA9055_PLL_CTRL			0x27
53 #define DA9055_AIF_CLK_MODE		0x28
54 #define DA9055_AIF_CTRL			0x29
55 #define DA9055_DIG_ROUTING_DAC		0x2A
56 #define DA9055_ALC_CTRL1		0x2B
57 
58 /* Input - Gain, Select and Filter Registers */
59 #define DA9055_AUX_L_GAIN		0x30
60 #define DA9055_AUX_R_GAIN		0x31
61 #define DA9055_MIXIN_L_SELECT		0x32
62 #define DA9055_MIXIN_R_SELECT		0x33
63 #define DA9055_MIXIN_L_GAIN		0x34
64 #define DA9055_MIXIN_R_GAIN		0x35
65 #define DA9055_ADC_L_GAIN		0x36
66 #define DA9055_ADC_R_GAIN		0x37
67 #define DA9055_ADC_FILTERS1		0x38
68 #define DA9055_MIC_L_GAIN		0x39
69 #define DA9055_MIC_R_GAIN		0x3A
70 
71 /* Output - Gain, Select and Filter Registers */
72 #define DA9055_DAC_FILTERS5		0x40
73 #define DA9055_DAC_FILTERS2		0x41
74 #define DA9055_DAC_FILTERS3		0x42
75 #define DA9055_DAC_FILTERS4		0x43
76 #define DA9055_DAC_FILTERS1		0x44
77 #define DA9055_DAC_L_GAIN		0x45
78 #define DA9055_DAC_R_GAIN		0x46
79 #define DA9055_CP_CTRL			0x47
80 #define DA9055_HP_L_GAIN		0x48
81 #define DA9055_HP_R_GAIN		0x49
82 #define DA9055_LINE_GAIN		0x4A
83 #define DA9055_MIXOUT_L_SELECT		0x4B
84 #define DA9055_MIXOUT_R_SELECT		0x4C
85 
86 /* System Controller Registers */
87 #define DA9055_SYSTEM_MODES_INPUT	0x50
88 #define DA9055_SYSTEM_MODES_OUTPUT	0x51
89 
90 /* Control Registers */
91 #define DA9055_AUX_L_CTRL		0x60
92 #define DA9055_AUX_R_CTRL		0x61
93 #define DA9055_MIC_BIAS_CTRL		0x62
94 #define DA9055_MIC_L_CTRL		0x63
95 #define DA9055_MIC_R_CTRL		0x64
96 #define DA9055_MIXIN_L_CTRL		0x65
97 #define DA9055_MIXIN_R_CTRL		0x66
98 #define DA9055_ADC_L_CTRL		0x67
99 #define DA9055_ADC_R_CTRL		0x68
100 #define DA9055_DAC_L_CTRL		0x69
101 #define DA9055_DAC_R_CTRL		0x6A
102 #define DA9055_HP_L_CTRL		0x6B
103 #define DA9055_HP_R_CTRL		0x6C
104 #define DA9055_LINE_CTRL		0x6D
105 #define DA9055_MIXOUT_L_CTRL		0x6E
106 #define DA9055_MIXOUT_R_CTRL		0x6F
107 
108 /* Configuration Registers */
109 #define DA9055_LDO_CTRL			0x90
110 #define DA9055_IO_CTRL			0x91
111 #define DA9055_GAIN_RAMP_CTRL		0x92
112 #define DA9055_MIC_CONFIG		0x93
113 #define DA9055_PC_COUNT			0x94
114 #define DA9055_CP_VOL_THRESHOLD1	0x95
115 #define DA9055_CP_DELAY			0x96
116 #define DA9055_CP_DETECTOR		0x97
117 #define DA9055_AIF_OFFSET		0x98
118 #define DA9055_DIG_CTRL			0x99
119 #define DA9055_ALC_CTRL2		0x9A
120 #define DA9055_ALC_CTRL3		0x9B
121 #define DA9055_ALC_NOISE		0x9C
122 #define DA9055_ALC_TARGET_MIN		0x9D
123 #define DA9055_ALC_TARGET_MAX		0x9E
124 #define DA9055_ALC_GAIN_LIMITS		0x9F
125 #define DA9055_ALC_ANA_GAIN_LIMITS	0xA0
126 #define DA9055_ALC_ANTICLIP_CTRL	0xA1
127 #define DA9055_ALC_ANTICLIP_LEVEL	0xA2
128 #define DA9055_ALC_OFFSET_OP2M_L	0xA6
129 #define DA9055_ALC_OFFSET_OP2U_L	0xA7
130 #define DA9055_ALC_OFFSET_OP2M_R	0xAB
131 #define DA9055_ALC_OFFSET_OP2U_R	0xAC
132 #define DA9055_ALC_CIC_OP_LVL_CTRL	0xAD
133 #define DA9055_ALC_CIC_OP_LVL_DATA	0xAE
134 #define DA9055_DAC_NG_SETUP_TIME	0xAF
135 #define DA9055_DAC_NG_OFF_THRESHOLD	0xB0
136 #define DA9055_DAC_NG_ON_THRESHOLD	0xB1
137 #define DA9055_DAC_NG_CTRL		0xB2
138 
139 /* SR bit fields */
140 #define DA9055_SR_8000			(0x1 << 0)
141 #define DA9055_SR_11025			(0x2 << 0)
142 #define DA9055_SR_12000			(0x3 << 0)
143 #define DA9055_SR_16000			(0x5 << 0)
144 #define DA9055_SR_22050			(0x6 << 0)
145 #define DA9055_SR_24000			(0x7 << 0)
146 #define DA9055_SR_32000			(0x9 << 0)
147 #define DA9055_SR_44100			(0xA << 0)
148 #define DA9055_SR_48000			(0xB << 0)
149 #define DA9055_SR_88200			(0xE << 0)
150 #define DA9055_SR_96000			(0xF << 0)
151 
152 /* REFERENCES bit fields */
153 #define DA9055_BIAS_EN			(1 << 3)
154 #define DA9055_VMID_EN			(1 << 7)
155 
156 /* PLL_CTRL bit fields */
157 #define DA9055_PLL_INDIV_10_20_MHZ	(1 << 2)
158 #define DA9055_PLL_SRM_EN		(1 << 6)
159 #define DA9055_PLL_EN			(1 << 7)
160 
161 /* AIF_CLK_MODE bit fields */
162 #define DA9055_AIF_BCLKS_PER_WCLK_32	(0 << 0)
163 #define DA9055_AIF_BCLKS_PER_WCLK_64	(1 << 0)
164 #define DA9055_AIF_BCLKS_PER_WCLK_128	(2 << 0)
165 #define DA9055_AIF_BCLKS_PER_WCLK_256	(3 << 0)
166 #define DA9055_AIF_CLK_EN_SLAVE_MODE	(0 << 7)
167 #define DA9055_AIF_CLK_EN_MASTER_MODE	(1 << 7)
168 
169 /* AIF_CTRL bit fields */
170 #define DA9055_AIF_FORMAT_I2S_MODE	(0 << 0)
171 #define DA9055_AIF_FORMAT_LEFT_J	(1 << 0)
172 #define DA9055_AIF_FORMAT_RIGHT_J	(2 << 0)
173 #define DA9055_AIF_FORMAT_DSP		(3 << 0)
174 #define DA9055_AIF_WORD_S16_LE		(0 << 2)
175 #define DA9055_AIF_WORD_S20_3LE		(1 << 2)
176 #define DA9055_AIF_WORD_S24_LE		(2 << 2)
177 #define DA9055_AIF_WORD_S32_LE		(3 << 2)
178 
179 /* MIC_L_CTRL bit fields */
180 #define DA9055_MIC_L_MUTE_EN		(1 << 6)
181 
182 /* MIC_R_CTRL bit fields */
183 #define DA9055_MIC_R_MUTE_EN		(1 << 6)
184 
185 /* MIXIN_L_CTRL bit fields */
186 #define DA9055_MIXIN_L_MIX_EN		(1 << 3)
187 
188 /* MIXIN_R_CTRL bit fields */
189 #define DA9055_MIXIN_R_MIX_EN		(1 << 3)
190 
191 /* ADC_L_CTRL bit fields */
192 #define DA9055_ADC_L_EN			(1 << 7)
193 
194 /* ADC_R_CTRL bit fields */
195 #define DA9055_ADC_R_EN			(1 << 7)
196 
197 /* DAC_L_CTRL bit fields */
198 #define DA9055_DAC_L_MUTE_EN		(1 << 6)
199 
200 /* DAC_R_CTRL bit fields */
201 #define DA9055_DAC_R_MUTE_EN		(1 << 6)
202 
203 /* HP_L_CTRL bit fields */
204 #define DA9055_HP_L_AMP_OE		(1 << 3)
205 
206 /* HP_R_CTRL bit fields */
207 #define DA9055_HP_R_AMP_OE		(1 << 3)
208 
209 /* LINE_CTRL bit fields */
210 #define DA9055_LINE_AMP_OE		(1 << 3)
211 
212 /* MIXOUT_L_CTRL bit fields */
213 #define DA9055_MIXOUT_L_MIX_EN		(1 << 3)
214 
215 /* MIXOUT_R_CTRL bit fields */
216 #define DA9055_MIXOUT_R_MIX_EN		(1 << 3)
217 
218 /* MIC bias select bit fields */
219 #define DA9055_MICBIAS2_EN		(1 << 6)
220 
221 /* ALC_CIC_OP_LEVEL_CTRL bit fields */
222 #define DA9055_ALC_DATA_MIDDLE		(2 << 0)
223 #define DA9055_ALC_DATA_TOP		(3 << 0)
224 #define DA9055_ALC_CIC_OP_CHANNEL_LEFT	(0 << 7)
225 #define DA9055_ALC_CIC_OP_CHANNEL_RIGHT	(1 << 7)
226 
227 #define DA9055_AIF_BCLK_MASK		(3 << 0)
228 #define DA9055_AIF_CLK_MODE_MASK	(1 << 7)
229 #define DA9055_AIF_FORMAT_MASK		(3 << 0)
230 #define DA9055_AIF_WORD_LENGTH_MASK	(3 << 2)
231 #define DA9055_GAIN_RAMPING_EN		(1 << 5)
232 #define DA9055_MICBIAS_LEVEL_MASK	(3 << 4)
233 
234 #define DA9055_ALC_OFFSET_15_8		0x00FF00
235 #define DA9055_ALC_OFFSET_17_16		0x030000
236 #define DA9055_ALC_AVG_ITERATIONS	5
237 
238 struct pll_div {
239 	int fref;
240 	int fout;
241 	u8 frac_top;
242 	u8 frac_bot;
243 	u8 integer;
244 	u8 mode;	/* 0 = slave, 1 = master */
245 };
246 
247 /* PLL divisor table */
248 static const struct pll_div da9055_pll_div[] = {
249 	/* for MASTER mode, fs = 44.1Khz and its harmonics */
250 	{11289600, 2822400, 0x00, 0x00, 0x20, 1},	/* MCLK=11.2896Mhz */
251 	{12000000, 2822400, 0x03, 0x61, 0x1E, 1},	/* MCLK=12Mhz */
252 	{12288000, 2822400, 0x0C, 0xCC, 0x1D, 1},	/* MCLK=12.288Mhz */
253 	{13000000, 2822400, 0x19, 0x45, 0x1B, 1},	/* MCLK=13Mhz */
254 	{13500000, 2822400, 0x18, 0x56, 0x1A, 1},	/* MCLK=13.5Mhz */
255 	{14400000, 2822400, 0x02, 0xD0, 0x19, 1},	/* MCLK=14.4Mhz */
256 	{19200000, 2822400, 0x1A, 0x1C, 0x12, 1},	/* MCLK=19.2Mhz */
257 	{19680000, 2822400, 0x0B, 0x6D, 0x12, 1},	/* MCLK=19.68Mhz */
258 	{19800000, 2822400, 0x07, 0xDD, 0x12, 1},	/* MCLK=19.8Mhz */
259 	/* for MASTER mode, fs = 48Khz and its harmonics */
260 	{11289600, 3072000, 0x1A, 0x8E, 0x22, 1},	/* MCLK=11.2896Mhz */
261 	{12000000, 3072000, 0x18, 0x93, 0x20, 1},	/* MCLK=12Mhz */
262 	{12288000, 3072000, 0x00, 0x00, 0x20, 1},	/* MCLK=12.288Mhz */
263 	{13000000, 3072000, 0x07, 0xEA, 0x1E, 1},	/* MCLK=13Mhz */
264 	{13500000, 3072000, 0x04, 0x11, 0x1D, 1},	/* MCLK=13.5Mhz */
265 	{14400000, 3072000, 0x09, 0xD0, 0x1B, 1},	/* MCLK=14.4Mhz */
266 	{19200000, 3072000, 0x0F, 0x5C, 0x14, 1},	/* MCLK=19.2Mhz */
267 	{19680000, 3072000, 0x1F, 0x60, 0x13, 1},	/* MCLK=19.68Mhz */
268 	{19800000, 3072000, 0x1B, 0x80, 0x13, 1},	/* MCLK=19.8Mhz */
269 	/* for SLAVE mode with SRM */
270 	{11289600, 2822400, 0x0D, 0x47, 0x21, 0},	/* MCLK=11.2896Mhz */
271 	{12000000, 2822400, 0x0D, 0xFA, 0x1F, 0},	/* MCLK=12Mhz */
272 	{12288000, 2822400, 0x16, 0x66, 0x1E, 0},	/* MCLK=12.288Mhz */
273 	{13000000, 2822400, 0x00, 0x98, 0x1D, 0},	/* MCLK=13Mhz */
274 	{13500000, 2822400, 0x1E, 0x33, 0x1B, 0},	/* MCLK=13.5Mhz */
275 	{14400000, 2822400, 0x06, 0x50, 0x1A, 0},	/* MCLK=14.4Mhz */
276 	{19200000, 2822400, 0x14, 0xBC, 0x13, 0},	/* MCLK=19.2Mhz */
277 	{19680000, 2822400, 0x05, 0x66, 0x13, 0},	/* MCLK=19.68Mhz */
278 	{19800000, 2822400, 0x01, 0xAE, 0x13, 0},	/* MCLK=19.8Mhz  */
279 };
280 
281 enum clk_src {
282 	DA9055_CLKSRC_MCLK
283 };
284 
285 /* Gain and Volume */
286 
287 static const DECLARE_TLV_DB_RANGE(aux_vol_tlv,
288 	0x0, 0x10, TLV_DB_SCALE_ITEM(-5400, 0, 0),
289 	/* -54dB to 15dB */
290 	0x11, 0x3f, TLV_DB_SCALE_ITEM(-5400, 150, 0)
291 );
292 
293 static const DECLARE_TLV_DB_RANGE(digital_gain_tlv,
294 	0x0, 0x07, TLV_DB_SCALE_ITEM(TLV_DB_GAIN_MUTE, 0, 1),
295 	/* -78dB to 12dB */
296 	0x08, 0x7f, TLV_DB_SCALE_ITEM(-7800, 75, 0)
297 );
298 
299 static const DECLARE_TLV_DB_RANGE(alc_analog_gain_tlv,
300 	0x0, 0x0, TLV_DB_SCALE_ITEM(TLV_DB_GAIN_MUTE, 0, 1),
301 	/* 0dB to 36dB */
302 	0x01, 0x07, TLV_DB_SCALE_ITEM(0, 600, 0)
303 );
304 
305 static const DECLARE_TLV_DB_SCALE(mic_vol_tlv, -600, 600, 0);
306 static const DECLARE_TLV_DB_SCALE(mixin_gain_tlv, -450, 150, 0);
307 static const DECLARE_TLV_DB_SCALE(eq_gain_tlv, -1050, 150, 0);
308 static const DECLARE_TLV_DB_SCALE(hp_vol_tlv, -5700, 100, 0);
309 static const DECLARE_TLV_DB_SCALE(lineout_vol_tlv, -4800, 100, 0);
310 static const DECLARE_TLV_DB_SCALE(alc_threshold_tlv, -9450, 150, 0);
311 static const DECLARE_TLV_DB_SCALE(alc_gain_tlv, 0, 600, 0);
312 
313 /* ADC and DAC high pass filter cutoff value */
314 static const char * const da9055_hpf_cutoff_txt[] = {
315 	"Fs/24000", "Fs/12000", "Fs/6000", "Fs/3000"
316 };
317 
318 static SOC_ENUM_SINGLE_DECL(da9055_dac_hpf_cutoff,
319 			    DA9055_DAC_FILTERS1, 4, da9055_hpf_cutoff_txt);
320 
321 static SOC_ENUM_SINGLE_DECL(da9055_adc_hpf_cutoff,
322 			    DA9055_ADC_FILTERS1, 4, da9055_hpf_cutoff_txt);
323 
324 /* ADC and DAC voice mode (8kHz) high pass cutoff value */
325 static const char * const da9055_vf_cutoff_txt[] = {
326 	"2.5Hz", "25Hz", "50Hz", "100Hz", "150Hz", "200Hz", "300Hz", "400Hz"
327 };
328 
329 static SOC_ENUM_SINGLE_DECL(da9055_dac_vf_cutoff,
330 			    DA9055_DAC_FILTERS1, 0, da9055_vf_cutoff_txt);
331 
332 static SOC_ENUM_SINGLE_DECL(da9055_adc_vf_cutoff,
333 			    DA9055_ADC_FILTERS1, 0, da9055_vf_cutoff_txt);
334 
335 /* Gain ramping rate value */
336 static const char * const da9055_gain_ramping_txt[] = {
337 	"nominal rate", "nominal rate * 4", "nominal rate * 8",
338 	"nominal rate / 8"
339 };
340 
341 static SOC_ENUM_SINGLE_DECL(da9055_gain_ramping_rate,
342 			    DA9055_GAIN_RAMP_CTRL, 0, da9055_gain_ramping_txt);
343 
344 /* DAC noise gate setup time value */
345 static const char * const da9055_dac_ng_setup_time_txt[] = {
346 	"256 samples", "512 samples", "1024 samples", "2048 samples"
347 };
348 
349 static SOC_ENUM_SINGLE_DECL(da9055_dac_ng_setup_time,
350 			    DA9055_DAC_NG_SETUP_TIME, 0,
351 			    da9055_dac_ng_setup_time_txt);
352 
353 /* DAC noise gate rampup rate value */
354 static const char * const da9055_dac_ng_rampup_txt[] = {
355 	"0.02 ms/dB", "0.16 ms/dB"
356 };
357 
358 static SOC_ENUM_SINGLE_DECL(da9055_dac_ng_rampup_rate,
359 			    DA9055_DAC_NG_SETUP_TIME, 2,
360 			    da9055_dac_ng_rampup_txt);
361 
362 /* DAC noise gate rampdown rate value */
363 static const char * const da9055_dac_ng_rampdown_txt[] = {
364 	"0.64 ms/dB", "20.48 ms/dB"
365 };
366 
367 static SOC_ENUM_SINGLE_DECL(da9055_dac_ng_rampdown_rate,
368 			    DA9055_DAC_NG_SETUP_TIME, 3,
369 			    da9055_dac_ng_rampdown_txt);
370 
371 /* DAC soft mute rate value */
372 static const char * const da9055_dac_soft_mute_rate_txt[] = {
373 	"1", "2", "4", "8", "16", "32", "64"
374 };
375 
376 static SOC_ENUM_SINGLE_DECL(da9055_dac_soft_mute_rate,
377 			    DA9055_DAC_FILTERS5, 4,
378 			    da9055_dac_soft_mute_rate_txt);
379 
380 /* DAC routing select */
381 static const char * const da9055_dac_src_txt[] = {
382 	"ADC output left", "ADC output right", "AIF input left",
383 	"AIF input right"
384 };
385 
386 static SOC_ENUM_SINGLE_DECL(da9055_dac_l_src,
387 			    DA9055_DIG_ROUTING_DAC, 0, da9055_dac_src_txt);
388 
389 static SOC_ENUM_SINGLE_DECL(da9055_dac_r_src,
390 			    DA9055_DIG_ROUTING_DAC, 4, da9055_dac_src_txt);
391 
392 /* MIC PGA Left source select */
393 static const char * const da9055_mic_l_src_txt[] = {
394 	"MIC1_P_N", "MIC1_P", "MIC1_N", "MIC2_L"
395 };
396 
397 static SOC_ENUM_SINGLE_DECL(da9055_mic_l_src,
398 			    DA9055_MIXIN_L_SELECT, 4, da9055_mic_l_src_txt);
399 
400 /* MIC PGA Right source select */
401 static const char * const da9055_mic_r_src_txt[] = {
402 	"MIC2_R_L", "MIC2_R", "MIC2_L"
403 };
404 
405 static SOC_ENUM_SINGLE_DECL(da9055_mic_r_src,
406 			    DA9055_MIXIN_R_SELECT, 4, da9055_mic_r_src_txt);
407 
408 /* ALC Input Signal Tracking rate select */
409 static const char * const da9055_signal_tracking_rate_txt[] = {
410 	"1/4", "1/16", "1/256", "1/65536"
411 };
412 
413 static SOC_ENUM_SINGLE_DECL(da9055_integ_attack_rate,
414 			    DA9055_ALC_CTRL3, 4,
415 			    da9055_signal_tracking_rate_txt);
416 
417 static SOC_ENUM_SINGLE_DECL(da9055_integ_release_rate,
418 			    DA9055_ALC_CTRL3, 6,
419 			    da9055_signal_tracking_rate_txt);
420 
421 /* ALC Attack Rate select */
422 static const char * const da9055_attack_rate_txt[] = {
423 	"44/fs", "88/fs", "176/fs", "352/fs", "704/fs", "1408/fs", "2816/fs",
424 	"5632/fs", "11264/fs", "22528/fs", "45056/fs", "90112/fs", "180224/fs"
425 };
426 
427 static SOC_ENUM_SINGLE_DECL(da9055_attack_rate,
428 			    DA9055_ALC_CTRL2, 0, da9055_attack_rate_txt);
429 
430 /* ALC Release Rate select */
431 static const char * const da9055_release_rate_txt[] = {
432 	"176/fs", "352/fs", "704/fs", "1408/fs", "2816/fs", "5632/fs",
433 	"11264/fs", "22528/fs", "45056/fs", "90112/fs", "180224/fs"
434 };
435 
436 static SOC_ENUM_SINGLE_DECL(da9055_release_rate,
437 			    DA9055_ALC_CTRL2, 4, da9055_release_rate_txt);
438 
439 /* ALC Hold Time select */
440 static const char * const da9055_hold_time_txt[] = {
441 	"62/fs", "124/fs", "248/fs", "496/fs", "992/fs", "1984/fs", "3968/fs",
442 	"7936/fs", "15872/fs", "31744/fs", "63488/fs", "126976/fs",
443 	"253952/fs", "507904/fs", "1015808/fs", "2031616/fs"
444 };
445 
446 static SOC_ENUM_SINGLE_DECL(da9055_hold_time,
447 			    DA9055_ALC_CTRL3, 0, da9055_hold_time_txt);
448 
449 static int da9055_get_alc_data(struct snd_soc_component *component, u8 reg_val)
450 {
451 	int mid_data, top_data;
452 	int sum = 0;
453 	u8 iteration;
454 
455 	for (iteration = 0; iteration < DA9055_ALC_AVG_ITERATIONS;
456 	     iteration++) {
457 		/* Select the left or right channel and capture data */
458 		snd_soc_component_write(component, DA9055_ALC_CIC_OP_LVL_CTRL, reg_val);
459 
460 		/* Select middle 8 bits for read back from data register */
461 		snd_soc_component_write(component, DA9055_ALC_CIC_OP_LVL_CTRL,
462 			      reg_val | DA9055_ALC_DATA_MIDDLE);
463 		mid_data = snd_soc_component_read(component, DA9055_ALC_CIC_OP_LVL_DATA);
464 
465 		/* Select top 8 bits for read back from data register */
466 		snd_soc_component_write(component, DA9055_ALC_CIC_OP_LVL_CTRL,
467 			      reg_val | DA9055_ALC_DATA_TOP);
468 		top_data = snd_soc_component_read(component, DA9055_ALC_CIC_OP_LVL_DATA);
469 
470 		sum += ((mid_data << 8) | (top_data << 16));
471 	}
472 
473 	return sum / DA9055_ALC_AVG_ITERATIONS;
474 }
475 
476 static int da9055_put_alc_sw(struct snd_kcontrol *kcontrol,
477 			     struct snd_ctl_elem_value *ucontrol)
478 {
479 	struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol);
480 	u8 reg_val, adc_left, adc_right, mic_left, mic_right;
481 	int avg_left_data, avg_right_data, offset_l, offset_r;
482 
483 	if (ucontrol->value.integer.value[0]) {
484 		/*
485 		 * While enabling ALC (or ALC sync mode), calibration of the DC
486 		 * offsets must be done first
487 		 */
488 
489 		/* Save current values from Mic control registers */
490 		mic_left = snd_soc_component_read(component, DA9055_MIC_L_CTRL);
491 		mic_right = snd_soc_component_read(component, DA9055_MIC_R_CTRL);
492 
493 		/* Mute Mic PGA Left and Right */
494 		snd_soc_component_update_bits(component, DA9055_MIC_L_CTRL,
495 				    DA9055_MIC_L_MUTE_EN, DA9055_MIC_L_MUTE_EN);
496 		snd_soc_component_update_bits(component, DA9055_MIC_R_CTRL,
497 				    DA9055_MIC_R_MUTE_EN, DA9055_MIC_R_MUTE_EN);
498 
499 		/* Save current values from ADC control registers */
500 		adc_left = snd_soc_component_read(component, DA9055_ADC_L_CTRL);
501 		adc_right = snd_soc_component_read(component, DA9055_ADC_R_CTRL);
502 
503 		/* Enable ADC Left and Right */
504 		snd_soc_component_update_bits(component, DA9055_ADC_L_CTRL,
505 				    DA9055_ADC_L_EN, DA9055_ADC_L_EN);
506 		snd_soc_component_update_bits(component, DA9055_ADC_R_CTRL,
507 				    DA9055_ADC_R_EN, DA9055_ADC_R_EN);
508 
509 		/* Calculate average for Left and Right data */
510 		/* Left Data */
511 		avg_left_data = da9055_get_alc_data(component,
512 				DA9055_ALC_CIC_OP_CHANNEL_LEFT);
513 		/* Right Data */
514 		avg_right_data = da9055_get_alc_data(component,
515 				 DA9055_ALC_CIC_OP_CHANNEL_RIGHT);
516 
517 		/* Calculate DC offset */
518 		offset_l = -avg_left_data;
519 		offset_r = -avg_right_data;
520 
521 		reg_val = (offset_l & DA9055_ALC_OFFSET_15_8) >> 8;
522 		snd_soc_component_write(component, DA9055_ALC_OFFSET_OP2M_L, reg_val);
523 		reg_val = (offset_l & DA9055_ALC_OFFSET_17_16) >> 16;
524 		snd_soc_component_write(component, DA9055_ALC_OFFSET_OP2U_L, reg_val);
525 
526 		reg_val = (offset_r & DA9055_ALC_OFFSET_15_8) >> 8;
527 		snd_soc_component_write(component, DA9055_ALC_OFFSET_OP2M_R, reg_val);
528 		reg_val = (offset_r & DA9055_ALC_OFFSET_17_16) >> 16;
529 		snd_soc_component_write(component, DA9055_ALC_OFFSET_OP2U_R, reg_val);
530 
531 		/* Restore original values of ADC control registers */
532 		snd_soc_component_write(component, DA9055_ADC_L_CTRL, adc_left);
533 		snd_soc_component_write(component, DA9055_ADC_R_CTRL, adc_right);
534 
535 		/* Restore original values of Mic control registers */
536 		snd_soc_component_write(component, DA9055_MIC_L_CTRL, mic_left);
537 		snd_soc_component_write(component, DA9055_MIC_R_CTRL, mic_right);
538 	}
539 
540 	return snd_soc_put_volsw(kcontrol, ucontrol);
541 }
542 
543 static const struct snd_kcontrol_new da9055_snd_controls[] = {
544 
545 	/* Volume controls */
546 	SOC_DOUBLE_R_TLV("Mic Volume",
547 			 DA9055_MIC_L_GAIN, DA9055_MIC_R_GAIN,
548 			 0, 0x7, 0, mic_vol_tlv),
549 	SOC_DOUBLE_R_TLV("Aux Volume",
550 			 DA9055_AUX_L_GAIN, DA9055_AUX_R_GAIN,
551 			 0, 0x3f, 0, aux_vol_tlv),
552 	SOC_DOUBLE_R_TLV("Mixin PGA Volume",
553 			 DA9055_MIXIN_L_GAIN, DA9055_MIXIN_R_GAIN,
554 			 0, 0xf, 0, mixin_gain_tlv),
555 	SOC_DOUBLE_R_TLV("ADC Volume",
556 			 DA9055_ADC_L_GAIN, DA9055_ADC_R_GAIN,
557 			 0, 0x7f, 0, digital_gain_tlv),
558 
559 	SOC_DOUBLE_R_TLV("DAC Volume",
560 			 DA9055_DAC_L_GAIN, DA9055_DAC_R_GAIN,
561 			 0, 0x7f, 0, digital_gain_tlv),
562 	SOC_DOUBLE_R_TLV("Headphone Volume",
563 			 DA9055_HP_L_GAIN, DA9055_HP_R_GAIN,
564 			 0, 0x3f, 0, hp_vol_tlv),
565 	SOC_SINGLE_TLV("Lineout Volume", DA9055_LINE_GAIN, 0, 0x3f, 0,
566 		       lineout_vol_tlv),
567 
568 	/* DAC Equalizer controls */
569 	SOC_SINGLE("DAC EQ Switch", DA9055_DAC_FILTERS4, 7, 1, 0),
570 	SOC_SINGLE_TLV("DAC EQ1 Volume", DA9055_DAC_FILTERS2, 0, 0xf, 0,
571 		       eq_gain_tlv),
572 	SOC_SINGLE_TLV("DAC EQ2 Volume", DA9055_DAC_FILTERS2, 4, 0xf, 0,
573 		       eq_gain_tlv),
574 	SOC_SINGLE_TLV("DAC EQ3 Volume", DA9055_DAC_FILTERS3, 0, 0xf, 0,
575 		       eq_gain_tlv),
576 	SOC_SINGLE_TLV("DAC EQ4 Volume", DA9055_DAC_FILTERS3, 4, 0xf, 0,
577 		       eq_gain_tlv),
578 	SOC_SINGLE_TLV("DAC EQ5 Volume", DA9055_DAC_FILTERS4, 0, 0xf, 0,
579 		       eq_gain_tlv),
580 
581 	/* High Pass Filter and Voice Mode controls */
582 	SOC_SINGLE("ADC HPF Switch", DA9055_ADC_FILTERS1, 7, 1, 0),
583 	SOC_ENUM("ADC HPF Cutoff", da9055_adc_hpf_cutoff),
584 	SOC_SINGLE("ADC Voice Mode Switch", DA9055_ADC_FILTERS1, 3, 1, 0),
585 	SOC_ENUM("ADC Voice Cutoff", da9055_adc_vf_cutoff),
586 
587 	SOC_SINGLE("DAC HPF Switch", DA9055_DAC_FILTERS1, 7, 1, 0),
588 	SOC_ENUM("DAC HPF Cutoff", da9055_dac_hpf_cutoff),
589 	SOC_SINGLE("DAC Voice Mode Switch", DA9055_DAC_FILTERS1, 3, 1, 0),
590 	SOC_ENUM("DAC Voice Cutoff", da9055_dac_vf_cutoff),
591 
592 	/* Mute controls */
593 	SOC_DOUBLE_R("Mic Switch", DA9055_MIC_L_CTRL,
594 		     DA9055_MIC_R_CTRL, 6, 1, 0),
595 	SOC_DOUBLE_R("Aux Switch", DA9055_AUX_L_CTRL,
596 		     DA9055_AUX_R_CTRL, 6, 1, 0),
597 	SOC_DOUBLE_R("Mixin PGA Switch", DA9055_MIXIN_L_CTRL,
598 		     DA9055_MIXIN_R_CTRL, 6, 1, 0),
599 	SOC_DOUBLE_R("ADC Switch", DA9055_ADC_L_CTRL,
600 		     DA9055_ADC_R_CTRL, 6, 1, 0),
601 	SOC_DOUBLE_R("Headphone Switch", DA9055_HP_L_CTRL,
602 		     DA9055_HP_R_CTRL, 6, 1, 0),
603 	SOC_SINGLE("Lineout Switch", DA9055_LINE_CTRL, 6, 1, 0),
604 	SOC_SINGLE("DAC Soft Mute Switch", DA9055_DAC_FILTERS5, 7, 1, 0),
605 	SOC_ENUM("DAC Soft Mute Rate", da9055_dac_soft_mute_rate),
606 
607 	/* Zero Cross controls */
608 	SOC_DOUBLE_R("Aux ZC Switch", DA9055_AUX_L_CTRL,
609 		     DA9055_AUX_R_CTRL, 4, 1, 0),
610 	SOC_DOUBLE_R("Mixin PGA ZC Switch", DA9055_MIXIN_L_CTRL,
611 		     DA9055_MIXIN_R_CTRL, 4, 1, 0),
612 	SOC_DOUBLE_R("Headphone ZC Switch", DA9055_HP_L_CTRL,
613 		     DA9055_HP_R_CTRL, 4, 1, 0),
614 	SOC_SINGLE("Lineout ZC Switch", DA9055_LINE_CTRL, 4, 1, 0),
615 
616 	/* Gain Ramping controls */
617 	SOC_DOUBLE_R("Aux Gain Ramping Switch", DA9055_AUX_L_CTRL,
618 		     DA9055_AUX_R_CTRL, 5, 1, 0),
619 	SOC_DOUBLE_R("Mixin Gain Ramping Switch", DA9055_MIXIN_L_CTRL,
620 		     DA9055_MIXIN_R_CTRL, 5, 1, 0),
621 	SOC_DOUBLE_R("ADC Gain Ramping Switch", DA9055_ADC_L_CTRL,
622 		     DA9055_ADC_R_CTRL, 5, 1, 0),
623 	SOC_DOUBLE_R("DAC Gain Ramping Switch", DA9055_DAC_L_CTRL,
624 		     DA9055_DAC_R_CTRL, 5, 1, 0),
625 	SOC_DOUBLE_R("Headphone Gain Ramping Switch", DA9055_HP_L_CTRL,
626 		     DA9055_HP_R_CTRL, 5, 1, 0),
627 	SOC_SINGLE("Lineout Gain Ramping Switch", DA9055_LINE_CTRL, 5, 1, 0),
628 	SOC_ENUM("Gain Ramping Rate", da9055_gain_ramping_rate),
629 
630 	/* DAC Noise Gate controls */
631 	SOC_SINGLE("DAC NG Switch", DA9055_DAC_NG_CTRL, 7, 1, 0),
632 	SOC_SINGLE("DAC NG ON Threshold", DA9055_DAC_NG_ON_THRESHOLD,
633 		   0, 0x7, 0),
634 	SOC_SINGLE("DAC NG OFF Threshold", DA9055_DAC_NG_OFF_THRESHOLD,
635 		   0, 0x7, 0),
636 	SOC_ENUM("DAC NG Setup Time", da9055_dac_ng_setup_time),
637 	SOC_ENUM("DAC NG Rampup Rate", da9055_dac_ng_rampup_rate),
638 	SOC_ENUM("DAC NG Rampdown Rate", da9055_dac_ng_rampdown_rate),
639 
640 	/* DAC Invertion control */
641 	SOC_SINGLE("DAC Left Invert", DA9055_DIG_CTRL, 3, 1, 0),
642 	SOC_SINGLE("DAC Right Invert", DA9055_DIG_CTRL, 7, 1, 0),
643 
644 	/* DMIC controls */
645 	SOC_DOUBLE_R("DMIC Switch", DA9055_MIXIN_L_SELECT,
646 		     DA9055_MIXIN_R_SELECT, 7, 1, 0),
647 
648 	/* ALC Controls */
649 	SOC_DOUBLE_EXT("ALC Switch", DA9055_ALC_CTRL1, 3, 7, 1, 0,
650 		       snd_soc_get_volsw, da9055_put_alc_sw),
651 	SOC_SINGLE_EXT("ALC Sync Mode Switch", DA9055_ALC_CTRL1, 1, 1, 0,
652 		       snd_soc_get_volsw, da9055_put_alc_sw),
653 	SOC_SINGLE("ALC Offset Switch", DA9055_ALC_CTRL1, 0, 1, 0),
654 	SOC_SINGLE("ALC Anticlip Mode Switch", DA9055_ALC_ANTICLIP_CTRL,
655 		   7, 1, 0),
656 	SOC_SINGLE("ALC Anticlip Level", DA9055_ALC_ANTICLIP_LEVEL,
657 		   0, 0x7f, 0),
658 	SOC_SINGLE_TLV("ALC Min Threshold Volume", DA9055_ALC_TARGET_MIN,
659 		       0, 0x3f, 1, alc_threshold_tlv),
660 	SOC_SINGLE_TLV("ALC Max Threshold Volume", DA9055_ALC_TARGET_MAX,
661 		       0, 0x3f, 1, alc_threshold_tlv),
662 	SOC_SINGLE_TLV("ALC Noise Threshold Volume", DA9055_ALC_NOISE,
663 		       0, 0x3f, 1, alc_threshold_tlv),
664 	SOC_SINGLE_TLV("ALC Max Gain Volume", DA9055_ALC_GAIN_LIMITS,
665 		       4, 0xf, 0, alc_gain_tlv),
666 	SOC_SINGLE_TLV("ALC Max Attenuation Volume", DA9055_ALC_GAIN_LIMITS,
667 		       0, 0xf, 0, alc_gain_tlv),
668 	SOC_SINGLE_TLV("ALC Min Analog Gain Volume",
669 		       DA9055_ALC_ANA_GAIN_LIMITS,
670 		       0, 0x7, 0, alc_analog_gain_tlv),
671 	SOC_SINGLE_TLV("ALC Max Analog Gain Volume",
672 		       DA9055_ALC_ANA_GAIN_LIMITS,
673 		       4, 0x7, 0, alc_analog_gain_tlv),
674 	SOC_ENUM("ALC Attack Rate", da9055_attack_rate),
675 	SOC_ENUM("ALC Release Rate", da9055_release_rate),
676 	SOC_ENUM("ALC Hold Time", da9055_hold_time),
677 	/*
678 	 * Rate at which input signal envelope is tracked as the signal gets
679 	 * larger
680 	 */
681 	SOC_ENUM("ALC Integ Attack Rate", da9055_integ_attack_rate),
682 	/*
683 	 * Rate at which input signal envelope is tracked as the signal gets
684 	 * smaller
685 	 */
686 	SOC_ENUM("ALC Integ Release Rate", da9055_integ_release_rate),
687 };
688 
689 /* DAPM Controls */
690 
691 /* Mic PGA Left Source */
692 static const struct snd_kcontrol_new da9055_mic_l_mux_controls =
693 SOC_DAPM_ENUM("Route", da9055_mic_l_src);
694 
695 /* Mic PGA Right Source */
696 static const struct snd_kcontrol_new da9055_mic_r_mux_controls =
697 SOC_DAPM_ENUM("Route", da9055_mic_r_src);
698 
699 /* In Mixer Left */
700 static const struct snd_kcontrol_new da9055_dapm_mixinl_controls[] = {
701 	SOC_DAPM_SINGLE("Aux Left Switch", DA9055_MIXIN_L_SELECT, 0, 1, 0),
702 	SOC_DAPM_SINGLE("Mic Left Switch", DA9055_MIXIN_L_SELECT, 1, 1, 0),
703 	SOC_DAPM_SINGLE("Mic Right Switch", DA9055_MIXIN_L_SELECT, 2, 1, 0),
704 };
705 
706 /* In Mixer Right */
707 static const struct snd_kcontrol_new da9055_dapm_mixinr_controls[] = {
708 	SOC_DAPM_SINGLE("Aux Right Switch", DA9055_MIXIN_R_SELECT, 0, 1, 0),
709 	SOC_DAPM_SINGLE("Mic Right Switch", DA9055_MIXIN_R_SELECT, 1, 1, 0),
710 	SOC_DAPM_SINGLE("Mic Left Switch", DA9055_MIXIN_R_SELECT, 2, 1, 0),
711 	SOC_DAPM_SINGLE("Mixin Left Switch", DA9055_MIXIN_R_SELECT, 3, 1, 0),
712 };
713 
714 /* DAC Left Source */
715 static const struct snd_kcontrol_new da9055_dac_l_mux_controls =
716 SOC_DAPM_ENUM("Route", da9055_dac_l_src);
717 
718 /* DAC Right Source */
719 static const struct snd_kcontrol_new da9055_dac_r_mux_controls =
720 SOC_DAPM_ENUM("Route", da9055_dac_r_src);
721 
722 /* Out Mixer Left */
723 static const struct snd_kcontrol_new da9055_dapm_mixoutl_controls[] = {
724 	SOC_DAPM_SINGLE("Aux Left Switch", DA9055_MIXOUT_L_SELECT, 0, 1, 0),
725 	SOC_DAPM_SINGLE("Mixin Left Switch", DA9055_MIXOUT_L_SELECT, 1, 1, 0),
726 	SOC_DAPM_SINGLE("Mixin Right Switch", DA9055_MIXOUT_L_SELECT, 2, 1, 0),
727 	SOC_DAPM_SINGLE("DAC Left Switch", DA9055_MIXOUT_L_SELECT, 3, 1, 0),
728 	SOC_DAPM_SINGLE("Aux Left Invert Switch", DA9055_MIXOUT_L_SELECT,
729 			4, 1, 0),
730 	SOC_DAPM_SINGLE("Mixin Left Invert Switch", DA9055_MIXOUT_L_SELECT,
731 			5, 1, 0),
732 	SOC_DAPM_SINGLE("Mixin Right Invert Switch", DA9055_MIXOUT_L_SELECT,
733 			6, 1, 0),
734 };
735 
736 /* Out Mixer Right */
737 static const struct snd_kcontrol_new da9055_dapm_mixoutr_controls[] = {
738 	SOC_DAPM_SINGLE("Aux Right Switch", DA9055_MIXOUT_R_SELECT, 0, 1, 0),
739 	SOC_DAPM_SINGLE("Mixin Right Switch", DA9055_MIXOUT_R_SELECT, 1, 1, 0),
740 	SOC_DAPM_SINGLE("Mixin Left Switch", DA9055_MIXOUT_R_SELECT, 2, 1, 0),
741 	SOC_DAPM_SINGLE("DAC Right Switch", DA9055_MIXOUT_R_SELECT, 3, 1, 0),
742 	SOC_DAPM_SINGLE("Aux Right Invert Switch", DA9055_MIXOUT_R_SELECT,
743 			4, 1, 0),
744 	SOC_DAPM_SINGLE("Mixin Right Invert Switch", DA9055_MIXOUT_R_SELECT,
745 			5, 1, 0),
746 	SOC_DAPM_SINGLE("Mixin Left Invert Switch", DA9055_MIXOUT_R_SELECT,
747 			6, 1, 0),
748 };
749 
750 /* Headphone Output Enable */
751 static const struct snd_kcontrol_new da9055_dapm_hp_l_control =
752 SOC_DAPM_SINGLE("Switch", DA9055_HP_L_CTRL, 3, 1, 0);
753 
754 static const struct snd_kcontrol_new da9055_dapm_hp_r_control =
755 SOC_DAPM_SINGLE("Switch", DA9055_HP_R_CTRL, 3, 1, 0);
756 
757 /* Lineout Output Enable */
758 static const struct snd_kcontrol_new da9055_dapm_lineout_control =
759 SOC_DAPM_SINGLE("Switch", DA9055_LINE_CTRL, 3, 1, 0);
760 
761 /* DAPM widgets */
762 static const struct snd_soc_dapm_widget da9055_dapm_widgets[] = {
763 	/* Input Side */
764 
765 	/* Input Lines */
766 	SND_SOC_DAPM_INPUT("MIC1"),
767 	SND_SOC_DAPM_INPUT("MIC2"),
768 	SND_SOC_DAPM_INPUT("AUXL"),
769 	SND_SOC_DAPM_INPUT("AUXR"),
770 
771 	/* MUXs for Mic PGA source selection */
772 	SND_SOC_DAPM_MUX("Mic Left Source", SND_SOC_NOPM, 0, 0,
773 			 &da9055_mic_l_mux_controls),
774 	SND_SOC_DAPM_MUX("Mic Right Source", SND_SOC_NOPM, 0, 0,
775 			 &da9055_mic_r_mux_controls),
776 
777 	/* Input PGAs */
778 	SND_SOC_DAPM_PGA("Mic Left", DA9055_MIC_L_CTRL, 7, 0, NULL, 0),
779 	SND_SOC_DAPM_PGA("Mic Right", DA9055_MIC_R_CTRL, 7, 0, NULL, 0),
780 	SND_SOC_DAPM_PGA("Aux Left", DA9055_AUX_L_CTRL, 7, 0, NULL, 0),
781 	SND_SOC_DAPM_PGA("Aux Right", DA9055_AUX_R_CTRL, 7, 0, NULL, 0),
782 	SND_SOC_DAPM_PGA("MIXIN Left", DA9055_MIXIN_L_CTRL, 7, 0, NULL, 0),
783 	SND_SOC_DAPM_PGA("MIXIN Right", DA9055_MIXIN_R_CTRL, 7, 0, NULL, 0),
784 
785 	SND_SOC_DAPM_SUPPLY("Mic Bias", DA9055_MIC_BIAS_CTRL, 7, 0, NULL, 0),
786 	SND_SOC_DAPM_SUPPLY("AIF", DA9055_AIF_CTRL, 7, 0, NULL, 0),
787 	SND_SOC_DAPM_SUPPLY("Charge Pump", DA9055_CP_CTRL, 7, 0, NULL, 0),
788 
789 	/* Input Mixers */
790 	SND_SOC_DAPM_MIXER("In Mixer Left", SND_SOC_NOPM, 0, 0,
791 			   &da9055_dapm_mixinl_controls[0],
792 			   ARRAY_SIZE(da9055_dapm_mixinl_controls)),
793 	SND_SOC_DAPM_MIXER("In Mixer Right", SND_SOC_NOPM, 0, 0,
794 			   &da9055_dapm_mixinr_controls[0],
795 			   ARRAY_SIZE(da9055_dapm_mixinr_controls)),
796 
797 	/* ADCs */
798 	SND_SOC_DAPM_ADC("ADC Left", "Capture", DA9055_ADC_L_CTRL, 7, 0),
799 	SND_SOC_DAPM_ADC("ADC Right", "Capture", DA9055_ADC_R_CTRL, 7, 0),
800 
801 	/* Output Side */
802 
803 	/* MUXs for DAC source selection */
804 	SND_SOC_DAPM_MUX("DAC Left Source", SND_SOC_NOPM, 0, 0,
805 			 &da9055_dac_l_mux_controls),
806 	SND_SOC_DAPM_MUX("DAC Right Source", SND_SOC_NOPM, 0, 0,
807 			 &da9055_dac_r_mux_controls),
808 
809 	/* AIF input */
810 	SND_SOC_DAPM_AIF_IN("AIFIN Left", "Playback", 0, SND_SOC_NOPM, 0, 0),
811 	SND_SOC_DAPM_AIF_IN("AIFIN Right", "Playback", 0, SND_SOC_NOPM, 0, 0),
812 
813 	/* DACs */
814 	SND_SOC_DAPM_DAC("DAC Left", "Playback", DA9055_DAC_L_CTRL, 7, 0),
815 	SND_SOC_DAPM_DAC("DAC Right", "Playback", DA9055_DAC_R_CTRL, 7, 0),
816 
817 	/* Output Mixers */
818 	SND_SOC_DAPM_MIXER("Out Mixer Left", SND_SOC_NOPM, 0, 0,
819 			   &da9055_dapm_mixoutl_controls[0],
820 			   ARRAY_SIZE(da9055_dapm_mixoutl_controls)),
821 	SND_SOC_DAPM_MIXER("Out Mixer Right", SND_SOC_NOPM, 0, 0,
822 			   &da9055_dapm_mixoutr_controls[0],
823 			   ARRAY_SIZE(da9055_dapm_mixoutr_controls)),
824 
825 	/* Output Enable Switches */
826 	SND_SOC_DAPM_SWITCH("Headphone Left Enable", SND_SOC_NOPM, 0, 0,
827 			    &da9055_dapm_hp_l_control),
828 	SND_SOC_DAPM_SWITCH("Headphone Right Enable", SND_SOC_NOPM, 0, 0,
829 			    &da9055_dapm_hp_r_control),
830 	SND_SOC_DAPM_SWITCH("Lineout Enable", SND_SOC_NOPM, 0, 0,
831 			    &da9055_dapm_lineout_control),
832 
833 	/* Output PGAs */
834 	SND_SOC_DAPM_PGA("MIXOUT Left", DA9055_MIXOUT_L_CTRL, 7, 0, NULL, 0),
835 	SND_SOC_DAPM_PGA("MIXOUT Right", DA9055_MIXOUT_R_CTRL, 7, 0, NULL, 0),
836 	SND_SOC_DAPM_PGA("Lineout", DA9055_LINE_CTRL, 7, 0, NULL, 0),
837 	SND_SOC_DAPM_PGA("Headphone Left", DA9055_HP_L_CTRL, 7, 0, NULL, 0),
838 	SND_SOC_DAPM_PGA("Headphone Right", DA9055_HP_R_CTRL, 7, 0, NULL, 0),
839 
840 	/* Output Lines */
841 	SND_SOC_DAPM_OUTPUT("HPL"),
842 	SND_SOC_DAPM_OUTPUT("HPR"),
843 	SND_SOC_DAPM_OUTPUT("LINE"),
844 };
845 
846 /* DAPM audio route definition */
847 static const struct snd_soc_dapm_route da9055_audio_map[] = {
848 	/* Dest       Connecting Widget    source */
849 
850 	/* Input path */
851 	{"Mic Left Source", "MIC1_P_N", "MIC1"},
852 	{"Mic Left Source", "MIC1_P", "MIC1"},
853 	{"Mic Left Source", "MIC1_N", "MIC1"},
854 	{"Mic Left Source", "MIC2_L", "MIC2"},
855 
856 	{"Mic Right Source", "MIC2_R_L", "MIC2"},
857 	{"Mic Right Source", "MIC2_R", "MIC2"},
858 	{"Mic Right Source", "MIC2_L", "MIC2"},
859 
860 	{"Mic Left", NULL, "Mic Left Source"},
861 	{"Mic Right", NULL, "Mic Right Source"},
862 
863 	{"Aux Left", NULL, "AUXL"},
864 	{"Aux Right", NULL, "AUXR"},
865 
866 	{"In Mixer Left", "Mic Left Switch", "Mic Left"},
867 	{"In Mixer Left", "Mic Right Switch", "Mic Right"},
868 	{"In Mixer Left", "Aux Left Switch", "Aux Left"},
869 
870 	{"In Mixer Right", "Mic Right Switch", "Mic Right"},
871 	{"In Mixer Right", "Mic Left Switch", "Mic Left"},
872 	{"In Mixer Right", "Aux Right Switch", "Aux Right"},
873 	{"In Mixer Right", "Mixin Left Switch", "MIXIN Left"},
874 
875 	{"MIXIN Left", NULL, "In Mixer Left"},
876 	{"ADC Left", NULL, "MIXIN Left"},
877 
878 	{"MIXIN Right", NULL, "In Mixer Right"},
879 	{"ADC Right", NULL, "MIXIN Right"},
880 
881 	{"ADC Left", NULL, "AIF"},
882 	{"ADC Right", NULL, "AIF"},
883 
884 	/* Output path */
885 	{"AIFIN Left", NULL, "AIF"},
886 	{"AIFIN Right", NULL, "AIF"},
887 
888 	{"DAC Left Source", "ADC output left", "ADC Left"},
889 	{"DAC Left Source", "ADC output right", "ADC Right"},
890 	{"DAC Left Source", "AIF input left", "AIFIN Left"},
891 	{"DAC Left Source", "AIF input right", "AIFIN Right"},
892 
893 	{"DAC Right Source", "ADC output left", "ADC Left"},
894 	{"DAC Right Source", "ADC output right", "ADC Right"},
895 	{"DAC Right Source", "AIF input left", "AIFIN Left"},
896 	{"DAC Right Source", "AIF input right", "AIFIN Right"},
897 
898 	{"DAC Left", NULL, "DAC Left Source"},
899 	{"DAC Right", NULL, "DAC Right Source"},
900 
901 	{"Out Mixer Left", "Aux Left Switch", "Aux Left"},
902 	{"Out Mixer Left", "Mixin Left Switch", "MIXIN Left"},
903 	{"Out Mixer Left", "Mixin Right Switch", "MIXIN Right"},
904 	{"Out Mixer Left", "Aux Left Invert Switch", "Aux Left"},
905 	{"Out Mixer Left", "Mixin Left Invert Switch", "MIXIN Left"},
906 	{"Out Mixer Left", "Mixin Right Invert Switch", "MIXIN Right"},
907 	{"Out Mixer Left", "DAC Left Switch", "DAC Left"},
908 
909 	{"Out Mixer Right", "Aux Right Switch", "Aux Right"},
910 	{"Out Mixer Right", "Mixin Right Switch", "MIXIN Right"},
911 	{"Out Mixer Right", "Mixin Left Switch", "MIXIN Left"},
912 	{"Out Mixer Right", "Aux Right Invert Switch", "Aux Right"},
913 	{"Out Mixer Right", "Mixin Right Invert Switch", "MIXIN Right"},
914 	{"Out Mixer Right", "Mixin Left Invert Switch", "MIXIN Left"},
915 	{"Out Mixer Right", "DAC Right Switch", "DAC Right"},
916 
917 	{"MIXOUT Left", NULL, "Out Mixer Left"},
918 	{"Headphone Left Enable", "Switch", "MIXOUT Left"},
919 	{"Headphone Left", NULL, "Headphone Left Enable"},
920 	{"Headphone Left", NULL, "Charge Pump"},
921 	{"HPL", NULL, "Headphone Left"},
922 
923 	{"MIXOUT Right", NULL, "Out Mixer Right"},
924 	{"Headphone Right Enable", "Switch", "MIXOUT Right"},
925 	{"Headphone Right", NULL, "Headphone Right Enable"},
926 	{"Headphone Right", NULL, "Charge Pump"},
927 	{"HPR", NULL, "Headphone Right"},
928 
929 	{"MIXOUT Right", NULL, "Out Mixer Right"},
930 	{"Lineout Enable", "Switch", "MIXOUT Right"},
931 	{"Lineout", NULL, "Lineout Enable"},
932 	{"LINE", NULL, "Lineout"},
933 };
934 
935 /* Codec private data */
936 struct da9055_priv {
937 	struct regmap *regmap;
938 	unsigned int mclk_rate;
939 	int master;
940 	struct da9055_platform_data *pdata;
941 };
942 
943 static const struct reg_default da9055_reg_defaults[] = {
944 	{ 0x21, 0x10 },
945 	{ 0x22, 0x0A },
946 	{ 0x23, 0x00 },
947 	{ 0x24, 0x00 },
948 	{ 0x25, 0x00 },
949 	{ 0x26, 0x00 },
950 	{ 0x27, 0x0C },
951 	{ 0x28, 0x01 },
952 	{ 0x29, 0x08 },
953 	{ 0x2A, 0x32 },
954 	{ 0x2B, 0x00 },
955 	{ 0x30, 0x35 },
956 	{ 0x31, 0x35 },
957 	{ 0x32, 0x00 },
958 	{ 0x33, 0x00 },
959 	{ 0x34, 0x03 },
960 	{ 0x35, 0x03 },
961 	{ 0x36, 0x6F },
962 	{ 0x37, 0x6F },
963 	{ 0x38, 0x80 },
964 	{ 0x39, 0x01 },
965 	{ 0x3A, 0x01 },
966 	{ 0x40, 0x00 },
967 	{ 0x41, 0x88 },
968 	{ 0x42, 0x88 },
969 	{ 0x43, 0x08 },
970 	{ 0x44, 0x80 },
971 	{ 0x45, 0x6F },
972 	{ 0x46, 0x6F },
973 	{ 0x47, 0x61 },
974 	{ 0x48, 0x35 },
975 	{ 0x49, 0x35 },
976 	{ 0x4A, 0x35 },
977 	{ 0x4B, 0x00 },
978 	{ 0x4C, 0x00 },
979 	{ 0x60, 0x44 },
980 	{ 0x61, 0x44 },
981 	{ 0x62, 0x00 },
982 	{ 0x63, 0x40 },
983 	{ 0x64, 0x40 },
984 	{ 0x65, 0x40 },
985 	{ 0x66, 0x40 },
986 	{ 0x67, 0x40 },
987 	{ 0x68, 0x40 },
988 	{ 0x69, 0x48 },
989 	{ 0x6A, 0x40 },
990 	{ 0x6B, 0x41 },
991 	{ 0x6C, 0x40 },
992 	{ 0x6D, 0x40 },
993 	{ 0x6E, 0x10 },
994 	{ 0x6F, 0x10 },
995 	{ 0x90, 0x80 },
996 	{ 0x92, 0x02 },
997 	{ 0x93, 0x00 },
998 	{ 0x99, 0x00 },
999 	{ 0x9A, 0x00 },
1000 	{ 0x9B, 0x00 },
1001 	{ 0x9C, 0x3F },
1002 	{ 0x9D, 0x00 },
1003 	{ 0x9E, 0x3F },
1004 	{ 0x9F, 0xFF },
1005 	{ 0xA0, 0x71 },
1006 	{ 0xA1, 0x00 },
1007 	{ 0xA2, 0x00 },
1008 	{ 0xA6, 0x00 },
1009 	{ 0xA7, 0x00 },
1010 	{ 0xAB, 0x00 },
1011 	{ 0xAC, 0x00 },
1012 	{ 0xAD, 0x00 },
1013 	{ 0xAF, 0x08 },
1014 	{ 0xB0, 0x00 },
1015 	{ 0xB1, 0x00 },
1016 	{ 0xB2, 0x00 },
1017 };
1018 
1019 static bool da9055_volatile_register(struct device *dev,
1020 				     unsigned int reg)
1021 {
1022 	switch (reg) {
1023 	case DA9055_STATUS1:
1024 	case DA9055_PLL_STATUS:
1025 	case DA9055_AUX_L_GAIN_STATUS:
1026 	case DA9055_AUX_R_GAIN_STATUS:
1027 	case DA9055_MIC_L_GAIN_STATUS:
1028 	case DA9055_MIC_R_GAIN_STATUS:
1029 	case DA9055_MIXIN_L_GAIN_STATUS:
1030 	case DA9055_MIXIN_R_GAIN_STATUS:
1031 	case DA9055_ADC_L_GAIN_STATUS:
1032 	case DA9055_ADC_R_GAIN_STATUS:
1033 	case DA9055_DAC_L_GAIN_STATUS:
1034 	case DA9055_DAC_R_GAIN_STATUS:
1035 	case DA9055_HP_L_GAIN_STATUS:
1036 	case DA9055_HP_R_GAIN_STATUS:
1037 	case DA9055_LINE_GAIN_STATUS:
1038 	case DA9055_ALC_CIC_OP_LVL_DATA:
1039 		return true;
1040 	default:
1041 		return false;
1042 	}
1043 }
1044 
1045 /* Set DAI word length */
1046 static int da9055_hw_params(struct snd_pcm_substream *substream,
1047 			    struct snd_pcm_hw_params *params,
1048 			    struct snd_soc_dai *dai)
1049 {
1050 	struct snd_soc_component *component = dai->component;
1051 	struct da9055_priv *da9055 = snd_soc_component_get_drvdata(component);
1052 	u8 aif_ctrl, fs;
1053 	u32 sysclk;
1054 
1055 	switch (params_width(params)) {
1056 	case 16:
1057 		aif_ctrl = DA9055_AIF_WORD_S16_LE;
1058 		break;
1059 	case 20:
1060 		aif_ctrl = DA9055_AIF_WORD_S20_3LE;
1061 		break;
1062 	case 24:
1063 		aif_ctrl = DA9055_AIF_WORD_S24_LE;
1064 		break;
1065 	case 32:
1066 		aif_ctrl = DA9055_AIF_WORD_S32_LE;
1067 		break;
1068 	default:
1069 		return -EINVAL;
1070 	}
1071 
1072 	/* Set AIF format */
1073 	snd_soc_component_update_bits(component, DA9055_AIF_CTRL, DA9055_AIF_WORD_LENGTH_MASK,
1074 			    aif_ctrl);
1075 
1076 	switch (params_rate(params)) {
1077 	case 8000:
1078 		fs		= DA9055_SR_8000;
1079 		sysclk		= 3072000;
1080 		break;
1081 	case 11025:
1082 		fs		= DA9055_SR_11025;
1083 		sysclk		= 2822400;
1084 		break;
1085 	case 12000:
1086 		fs		= DA9055_SR_12000;
1087 		sysclk		= 3072000;
1088 		break;
1089 	case 16000:
1090 		fs		= DA9055_SR_16000;
1091 		sysclk		= 3072000;
1092 		break;
1093 	case 22050:
1094 		fs		= DA9055_SR_22050;
1095 		sysclk		= 2822400;
1096 		break;
1097 	case 32000:
1098 		fs		= DA9055_SR_32000;
1099 		sysclk		= 3072000;
1100 		break;
1101 	case 44100:
1102 		fs		= DA9055_SR_44100;
1103 		sysclk		= 2822400;
1104 		break;
1105 	case 48000:
1106 		fs		= DA9055_SR_48000;
1107 		sysclk		= 3072000;
1108 		break;
1109 	case 88200:
1110 		fs		= DA9055_SR_88200;
1111 		sysclk		= 2822400;
1112 		break;
1113 	case 96000:
1114 		fs		= DA9055_SR_96000;
1115 		sysclk		= 3072000;
1116 		break;
1117 	default:
1118 		return -EINVAL;
1119 	}
1120 
1121 	if (da9055->mclk_rate) {
1122 		/* PLL Mode, Write actual FS */
1123 		snd_soc_component_write(component, DA9055_SR, fs);
1124 	} else {
1125 		/*
1126 		 * Non-PLL Mode
1127 		 * When PLL is bypassed, chip assumes constant MCLK of
1128 		 * 12.288MHz and uses sample rate value to divide this MCLK
1129 		 * to derive its sys clk. As sys clk has to be 256 * Fs, we
1130 		 * need to write constant sample rate i.e. 48KHz.
1131 		 */
1132 		snd_soc_component_write(component, DA9055_SR, DA9055_SR_48000);
1133 	}
1134 
1135 	if (da9055->mclk_rate && (da9055->mclk_rate != sysclk)) {
1136 		/* PLL Mode */
1137 		if (!da9055->master) {
1138 			/* PLL slave mode, enable PLL and also SRM */
1139 			snd_soc_component_update_bits(component, DA9055_PLL_CTRL,
1140 					    DA9055_PLL_EN | DA9055_PLL_SRM_EN,
1141 					    DA9055_PLL_EN | DA9055_PLL_SRM_EN);
1142 		} else {
1143 			/* PLL master mode, only enable PLL */
1144 			snd_soc_component_update_bits(component, DA9055_PLL_CTRL,
1145 					    DA9055_PLL_EN, DA9055_PLL_EN);
1146 		}
1147 	} else {
1148 		/* Non PLL Mode, disable PLL */
1149 		snd_soc_component_update_bits(component, DA9055_PLL_CTRL, DA9055_PLL_EN, 0);
1150 	}
1151 
1152 	return 0;
1153 }
1154 
1155 /* Set DAI mode and Format */
1156 static int da9055_set_dai_fmt(struct snd_soc_dai *codec_dai, unsigned int fmt)
1157 {
1158 	struct snd_soc_component *component = codec_dai->component;
1159 	struct da9055_priv *da9055 = snd_soc_component_get_drvdata(component);
1160 	u8 aif_clk_mode, aif_ctrl, mode;
1161 
1162 	switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
1163 	case SND_SOC_DAIFMT_CBM_CFM:
1164 		/* DA9055 in I2S Master Mode */
1165 		mode = 1;
1166 		aif_clk_mode = DA9055_AIF_CLK_EN_MASTER_MODE;
1167 		break;
1168 	case SND_SOC_DAIFMT_CBS_CFS:
1169 		/* DA9055 in I2S Slave Mode */
1170 		mode = 0;
1171 		aif_clk_mode = DA9055_AIF_CLK_EN_SLAVE_MODE;
1172 		break;
1173 	default:
1174 		return -EINVAL;
1175 	}
1176 
1177 	/* Don't allow change of mode if PLL is enabled */
1178 	if ((snd_soc_component_read(component, DA9055_PLL_CTRL) & DA9055_PLL_EN) &&
1179 	    (da9055->master != mode))
1180 		return -EINVAL;
1181 
1182 	da9055->master = mode;
1183 
1184 	/* Only I2S is supported */
1185 	switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
1186 	case SND_SOC_DAIFMT_I2S:
1187 		aif_ctrl = DA9055_AIF_FORMAT_I2S_MODE;
1188 		break;
1189 	case SND_SOC_DAIFMT_LEFT_J:
1190 		aif_ctrl = DA9055_AIF_FORMAT_LEFT_J;
1191 		break;
1192 	case SND_SOC_DAIFMT_RIGHT_J:
1193 		aif_ctrl = DA9055_AIF_FORMAT_RIGHT_J;
1194 		break;
1195 	case SND_SOC_DAIFMT_DSP_A:
1196 		aif_ctrl = DA9055_AIF_FORMAT_DSP;
1197 		break;
1198 	default:
1199 		return -EINVAL;
1200 	}
1201 
1202 	/* By default only 32 BCLK per WCLK is supported */
1203 	aif_clk_mode |= DA9055_AIF_BCLKS_PER_WCLK_32;
1204 
1205 	snd_soc_component_update_bits(component, DA9055_AIF_CLK_MODE,
1206 			    (DA9055_AIF_CLK_MODE_MASK | DA9055_AIF_BCLK_MASK),
1207 			    aif_clk_mode);
1208 	snd_soc_component_update_bits(component, DA9055_AIF_CTRL, DA9055_AIF_FORMAT_MASK,
1209 			    aif_ctrl);
1210 	return 0;
1211 }
1212 
1213 static int da9055_mute(struct snd_soc_dai *dai, int mute, int direction)
1214 {
1215 	struct snd_soc_component *component = dai->component;
1216 
1217 	if (mute) {
1218 		snd_soc_component_update_bits(component, DA9055_DAC_L_CTRL,
1219 				    DA9055_DAC_L_MUTE_EN, DA9055_DAC_L_MUTE_EN);
1220 		snd_soc_component_update_bits(component, DA9055_DAC_R_CTRL,
1221 				    DA9055_DAC_R_MUTE_EN, DA9055_DAC_R_MUTE_EN);
1222 	} else {
1223 		snd_soc_component_update_bits(component, DA9055_DAC_L_CTRL,
1224 				    DA9055_DAC_L_MUTE_EN, 0);
1225 		snd_soc_component_update_bits(component, DA9055_DAC_R_CTRL,
1226 				    DA9055_DAC_R_MUTE_EN, 0);
1227 	}
1228 
1229 	return 0;
1230 }
1231 
1232 #define DA9055_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S20_3LE |\
1233 			SNDRV_PCM_FMTBIT_S24_LE | SNDRV_PCM_FMTBIT_S32_LE)
1234 
1235 static int da9055_set_dai_sysclk(struct snd_soc_dai *codec_dai,
1236 				 int clk_id, unsigned int freq, int dir)
1237 {
1238 	struct snd_soc_component *component = codec_dai->component;
1239 	struct da9055_priv *da9055 = snd_soc_component_get_drvdata(component);
1240 
1241 	switch (clk_id) {
1242 	case DA9055_CLKSRC_MCLK:
1243 		switch (freq) {
1244 		case 11289600:
1245 		case 12000000:
1246 		case 12288000:
1247 		case 13000000:
1248 		case 13500000:
1249 		case 14400000:
1250 		case 19200000:
1251 		case 19680000:
1252 		case 19800000:
1253 			da9055->mclk_rate = freq;
1254 			return 0;
1255 		default:
1256 			dev_err(codec_dai->dev, "Unsupported MCLK value %d\n",
1257 				freq);
1258 			return -EINVAL;
1259 		}
1260 		break;
1261 	default:
1262 		dev_err(codec_dai->dev, "Unknown clock source %d\n", clk_id);
1263 		return -EINVAL;
1264 	}
1265 }
1266 
1267 /*
1268  * da9055_set_dai_pll	: Configure the codec PLL
1269  * @param codec_dai	: Pointer to codec DAI
1270  * @param pll_id	: da9055 has only one pll, so pll_id is always zero
1271  * @param fref		: Input MCLK frequency
1272  * @param fout		: FsDM value
1273  * @return int		: Zero for success, negative error code for error
1274  *
1275  * Note: Supported PLL input frequencies are 11.2896MHz, 12MHz, 12.288MHz,
1276  *	 13MHz, 13.5MHz, 14.4MHz, 19.2MHz, 19.6MHz and 19.8MHz
1277  */
1278 static int da9055_set_dai_pll(struct snd_soc_dai *codec_dai, int pll_id,
1279 			      int source, unsigned int fref, unsigned int fout)
1280 {
1281 	struct snd_soc_component *component = codec_dai->component;
1282 	struct da9055_priv *da9055 = snd_soc_component_get_drvdata(component);
1283 
1284 	u8 pll_frac_top, pll_frac_bot, pll_integer, cnt;
1285 
1286 	/* Disable PLL before setting the divisors */
1287 	snd_soc_component_update_bits(component, DA9055_PLL_CTRL, DA9055_PLL_EN, 0);
1288 
1289 	/* In slave mode, there is only one set of divisors */
1290 	if (!da9055->master && (fout != 2822400))
1291 		goto pll_err;
1292 
1293 	/* Search pll div array for correct divisors */
1294 	for (cnt = 0; cnt < ARRAY_SIZE(da9055_pll_div); cnt++) {
1295 		/* Check fref, mode  and fout */
1296 		if ((fref == da9055_pll_div[cnt].fref) &&
1297 		    (da9055->master ==  da9055_pll_div[cnt].mode) &&
1298 		    (fout == da9055_pll_div[cnt].fout)) {
1299 			/* All match, pick up divisors */
1300 			pll_frac_top = da9055_pll_div[cnt].frac_top;
1301 			pll_frac_bot = da9055_pll_div[cnt].frac_bot;
1302 			pll_integer = da9055_pll_div[cnt].integer;
1303 			break;
1304 		}
1305 	}
1306 	if (cnt >= ARRAY_SIZE(da9055_pll_div))
1307 		goto pll_err;
1308 
1309 	/* Write PLL dividers */
1310 	snd_soc_component_write(component, DA9055_PLL_FRAC_TOP, pll_frac_top);
1311 	snd_soc_component_write(component, DA9055_PLL_FRAC_BOT, pll_frac_bot);
1312 	snd_soc_component_write(component, DA9055_PLL_INTEGER, pll_integer);
1313 
1314 	return 0;
1315 pll_err:
1316 	dev_err(codec_dai->dev, "Error in setting up PLL\n");
1317 	return -EINVAL;
1318 }
1319 
1320 /* DAI operations */
1321 static const struct snd_soc_dai_ops da9055_dai_ops = {
1322 	.hw_params	= da9055_hw_params,
1323 	.set_fmt	= da9055_set_dai_fmt,
1324 	.set_sysclk	= da9055_set_dai_sysclk,
1325 	.set_pll	= da9055_set_dai_pll,
1326 	.mute_stream	= da9055_mute,
1327 	.no_capture_mute = 1,
1328 };
1329 
1330 static struct snd_soc_dai_driver da9055_dai = {
1331 	.name = "da9055-hifi",
1332 	/* Playback Capabilities */
1333 	.playback = {
1334 		.stream_name = "Playback",
1335 		.channels_min = 1,
1336 		.channels_max = 2,
1337 		.rates = SNDRV_PCM_RATE_8000_96000,
1338 		.formats = DA9055_FORMATS,
1339 	},
1340 	/* Capture Capabilities */
1341 	.capture = {
1342 		.stream_name = "Capture",
1343 		.channels_min = 1,
1344 		.channels_max = 2,
1345 		.rates = SNDRV_PCM_RATE_8000_96000,
1346 		.formats = DA9055_FORMATS,
1347 	},
1348 	.ops = &da9055_dai_ops,
1349 	.symmetric_rate = 1,
1350 };
1351 
1352 static int da9055_set_bias_level(struct snd_soc_component *component,
1353 				 enum snd_soc_bias_level level)
1354 {
1355 	switch (level) {
1356 	case SND_SOC_BIAS_ON:
1357 	case SND_SOC_BIAS_PREPARE:
1358 		break;
1359 	case SND_SOC_BIAS_STANDBY:
1360 		if (snd_soc_component_get_bias_level(component) == SND_SOC_BIAS_OFF) {
1361 			/* Enable VMID reference & master bias */
1362 			snd_soc_component_update_bits(component, DA9055_REFERENCES,
1363 					    DA9055_VMID_EN | DA9055_BIAS_EN,
1364 					    DA9055_VMID_EN | DA9055_BIAS_EN);
1365 		}
1366 		break;
1367 	case SND_SOC_BIAS_OFF:
1368 		/* Disable VMID reference & master bias */
1369 		snd_soc_component_update_bits(component, DA9055_REFERENCES,
1370 				    DA9055_VMID_EN | DA9055_BIAS_EN, 0);
1371 		break;
1372 	}
1373 	return 0;
1374 }
1375 
1376 static int da9055_probe(struct snd_soc_component *component)
1377 {
1378 	struct da9055_priv *da9055 = snd_soc_component_get_drvdata(component);
1379 
1380 	/* Enable all Gain Ramps */
1381 	snd_soc_component_update_bits(component, DA9055_AUX_L_CTRL,
1382 			    DA9055_GAIN_RAMPING_EN, DA9055_GAIN_RAMPING_EN);
1383 	snd_soc_component_update_bits(component, DA9055_AUX_R_CTRL,
1384 			    DA9055_GAIN_RAMPING_EN, DA9055_GAIN_RAMPING_EN);
1385 	snd_soc_component_update_bits(component, DA9055_MIXIN_L_CTRL,
1386 			    DA9055_GAIN_RAMPING_EN, DA9055_GAIN_RAMPING_EN);
1387 	snd_soc_component_update_bits(component, DA9055_MIXIN_R_CTRL,
1388 			    DA9055_GAIN_RAMPING_EN, DA9055_GAIN_RAMPING_EN);
1389 	snd_soc_component_update_bits(component, DA9055_ADC_L_CTRL,
1390 			    DA9055_GAIN_RAMPING_EN, DA9055_GAIN_RAMPING_EN);
1391 	snd_soc_component_update_bits(component, DA9055_ADC_R_CTRL,
1392 			    DA9055_GAIN_RAMPING_EN, DA9055_GAIN_RAMPING_EN);
1393 	snd_soc_component_update_bits(component, DA9055_DAC_L_CTRL,
1394 			    DA9055_GAIN_RAMPING_EN, DA9055_GAIN_RAMPING_EN);
1395 	snd_soc_component_update_bits(component, DA9055_DAC_R_CTRL,
1396 			    DA9055_GAIN_RAMPING_EN, DA9055_GAIN_RAMPING_EN);
1397 	snd_soc_component_update_bits(component, DA9055_HP_L_CTRL,
1398 			    DA9055_GAIN_RAMPING_EN, DA9055_GAIN_RAMPING_EN);
1399 	snd_soc_component_update_bits(component, DA9055_HP_R_CTRL,
1400 			    DA9055_GAIN_RAMPING_EN, DA9055_GAIN_RAMPING_EN);
1401 	snd_soc_component_update_bits(component, DA9055_LINE_CTRL,
1402 			    DA9055_GAIN_RAMPING_EN, DA9055_GAIN_RAMPING_EN);
1403 
1404 	/*
1405 	 * There are two separate control bits for input and output mixers.
1406 	 * One to enable corresponding amplifier and other to enable its
1407 	 * output. As amplifier bits are related to power control, they are
1408 	 * being managed by DAPM while other (non power related) bits are
1409 	 * enabled here
1410 	 */
1411 	snd_soc_component_update_bits(component, DA9055_MIXIN_L_CTRL,
1412 			    DA9055_MIXIN_L_MIX_EN, DA9055_MIXIN_L_MIX_EN);
1413 	snd_soc_component_update_bits(component, DA9055_MIXIN_R_CTRL,
1414 			    DA9055_MIXIN_R_MIX_EN, DA9055_MIXIN_R_MIX_EN);
1415 
1416 	snd_soc_component_update_bits(component, DA9055_MIXOUT_L_CTRL,
1417 			    DA9055_MIXOUT_L_MIX_EN, DA9055_MIXOUT_L_MIX_EN);
1418 	snd_soc_component_update_bits(component, DA9055_MIXOUT_R_CTRL,
1419 			    DA9055_MIXOUT_R_MIX_EN, DA9055_MIXOUT_R_MIX_EN);
1420 
1421 	/* Set this as per your system configuration */
1422 	snd_soc_component_write(component, DA9055_PLL_CTRL, DA9055_PLL_INDIV_10_20_MHZ);
1423 
1424 	/* Set platform data values */
1425 	if (da9055->pdata) {
1426 		/* set mic bias source */
1427 		if (da9055->pdata->micbias_source) {
1428 			snd_soc_component_update_bits(component, DA9055_MIXIN_R_SELECT,
1429 					    DA9055_MICBIAS2_EN,
1430 					    DA9055_MICBIAS2_EN);
1431 		} else {
1432 			snd_soc_component_update_bits(component, DA9055_MIXIN_R_SELECT,
1433 					    DA9055_MICBIAS2_EN, 0);
1434 		}
1435 		/* set mic bias voltage */
1436 		switch (da9055->pdata->micbias) {
1437 		case DA9055_MICBIAS_2_2V:
1438 		case DA9055_MICBIAS_2_1V:
1439 		case DA9055_MICBIAS_1_8V:
1440 		case DA9055_MICBIAS_1_6V:
1441 			snd_soc_component_update_bits(component, DA9055_MIC_CONFIG,
1442 					    DA9055_MICBIAS_LEVEL_MASK,
1443 					    (da9055->pdata->micbias) << 4);
1444 			break;
1445 		}
1446 	}
1447 	return 0;
1448 }
1449 
1450 static const struct snd_soc_component_driver soc_component_dev_da9055 = {
1451 	.probe			= da9055_probe,
1452 	.set_bias_level		= da9055_set_bias_level,
1453 	.controls		= da9055_snd_controls,
1454 	.num_controls		= ARRAY_SIZE(da9055_snd_controls),
1455 	.dapm_widgets		= da9055_dapm_widgets,
1456 	.num_dapm_widgets	= ARRAY_SIZE(da9055_dapm_widgets),
1457 	.dapm_routes		= da9055_audio_map,
1458 	.num_dapm_routes	= ARRAY_SIZE(da9055_audio_map),
1459 	.idle_bias_on		= 1,
1460 	.use_pmdown_time	= 1,
1461 	.endianness		= 1,
1462 };
1463 
1464 static const struct regmap_config da9055_regmap_config = {
1465 	.reg_bits = 8,
1466 	.val_bits = 8,
1467 
1468 	.reg_defaults = da9055_reg_defaults,
1469 	.num_reg_defaults = ARRAY_SIZE(da9055_reg_defaults),
1470 	.volatile_reg = da9055_volatile_register,
1471 	.cache_type = REGCACHE_RBTREE,
1472 };
1473 
1474 static int da9055_i2c_probe(struct i2c_client *i2c)
1475 {
1476 	struct da9055_priv *da9055;
1477 	struct da9055_platform_data *pdata = dev_get_platdata(&i2c->dev);
1478 	int ret;
1479 
1480 	da9055 = devm_kzalloc(&i2c->dev, sizeof(struct da9055_priv),
1481 			      GFP_KERNEL);
1482 	if (!da9055)
1483 		return -ENOMEM;
1484 
1485 	if (pdata)
1486 		da9055->pdata = pdata;
1487 
1488 	i2c_set_clientdata(i2c, da9055);
1489 
1490 	da9055->regmap = devm_regmap_init_i2c(i2c, &da9055_regmap_config);
1491 	if (IS_ERR(da9055->regmap)) {
1492 		ret = PTR_ERR(da9055->regmap);
1493 		dev_err(&i2c->dev, "regmap_init() failed: %d\n", ret);
1494 		return ret;
1495 	}
1496 
1497 	ret = devm_snd_soc_register_component(&i2c->dev,
1498 			&soc_component_dev_da9055, &da9055_dai, 1);
1499 	if (ret < 0) {
1500 		dev_err(&i2c->dev, "Failed to register da9055 component: %d\n",
1501 			ret);
1502 	}
1503 	return ret;
1504 }
1505 
1506 /*
1507  * DO NOT change the device Ids. The naming is intentionally specific as both
1508  * the CODEC and PMIC parts of this chip are instantiated separately as I2C
1509  * devices (both have configurable I2C addresses, and are to all intents and
1510  * purposes separate). As a result there are specific DA9055 Ids for CODEC
1511  * and PMIC, which must be different to operate together.
1512  */
1513 static const struct i2c_device_id da9055_i2c_id[] = {
1514 	{ "da9055-codec", 0 },
1515 	{ }
1516 };
1517 MODULE_DEVICE_TABLE(i2c, da9055_i2c_id);
1518 
1519 #ifdef CONFIG_OF
1520 static const struct of_device_id da9055_of_match[] = {
1521 	{ .compatible = "dlg,da9055-codec", },
1522 	{ }
1523 };
1524 MODULE_DEVICE_TABLE(of, da9055_of_match);
1525 #endif
1526 
1527 /* I2C codec control layer */
1528 static struct i2c_driver da9055_i2c_driver = {
1529 	.driver = {
1530 		.name = "da9055-codec",
1531 		.of_match_table = of_match_ptr(da9055_of_match),
1532 	},
1533 	.probe		= da9055_i2c_probe,
1534 	.id_table	= da9055_i2c_id,
1535 };
1536 
1537 module_i2c_driver(da9055_i2c_driver);
1538 
1539 MODULE_DESCRIPTION("ASoC DA9055 Codec driver");
1540 MODULE_AUTHOR("David Chen, Ashish Chavan");
1541 MODULE_LICENSE("GPL");
1542