xref: /openbmc/linux/sound/soc/codecs/da9055.c (revision e3b9f1e8)
1 /*
2  * DA9055 ALSA Soc codec driver
3  *
4  * Copyright (c) 2012 Dialog Semiconductor
5  *
6  * Tested on (Samsung SMDK6410 board + DA9055 EVB) using I2S and I2C
7  * Written by David Chen <david.chen@diasemi.com> and
8  * Ashish Chavan <ashish.chavan@kpitcummins.com>
9  *
10  * This program is free software; you can redistribute it and/or modify it
11  * under the terms of the GNU General Public License as published by the
12  * Free Software Foundation; either version 2 of the License, or (at your
13  * option) any later version.
14  */
15 
16 #include <linux/delay.h>
17 #include <linux/i2c.h>
18 #include <linux/regmap.h>
19 #include <linux/slab.h>
20 #include <linux/module.h>
21 #include <linux/of.h>
22 #include <linux/of_device.h>
23 #include <sound/pcm.h>
24 #include <sound/pcm_params.h>
25 #include <sound/soc.h>
26 #include <sound/initval.h>
27 #include <sound/tlv.h>
28 #include <sound/da9055.h>
29 
30 /* DA9055 register space */
31 
32 /* Status Registers */
33 #define DA9055_STATUS1			0x02
34 #define DA9055_PLL_STATUS		0x03
35 #define DA9055_AUX_L_GAIN_STATUS	0x04
36 #define DA9055_AUX_R_GAIN_STATUS	0x05
37 #define DA9055_MIC_L_GAIN_STATUS	0x06
38 #define DA9055_MIC_R_GAIN_STATUS	0x07
39 #define DA9055_MIXIN_L_GAIN_STATUS	0x08
40 #define DA9055_MIXIN_R_GAIN_STATUS	0x09
41 #define DA9055_ADC_L_GAIN_STATUS	0x0A
42 #define DA9055_ADC_R_GAIN_STATUS	0x0B
43 #define DA9055_DAC_L_GAIN_STATUS	0x0C
44 #define DA9055_DAC_R_GAIN_STATUS	0x0D
45 #define DA9055_HP_L_GAIN_STATUS		0x0E
46 #define DA9055_HP_R_GAIN_STATUS		0x0F
47 #define DA9055_LINE_GAIN_STATUS		0x10
48 
49 /* System Initialisation Registers */
50 #define DA9055_CIF_CTRL			0x20
51 #define DA9055_DIG_ROUTING_AIF		0X21
52 #define DA9055_SR			0x22
53 #define DA9055_REFERENCES		0x23
54 #define DA9055_PLL_FRAC_TOP		0x24
55 #define DA9055_PLL_FRAC_BOT		0x25
56 #define DA9055_PLL_INTEGER		0x26
57 #define DA9055_PLL_CTRL			0x27
58 #define DA9055_AIF_CLK_MODE		0x28
59 #define DA9055_AIF_CTRL			0x29
60 #define DA9055_DIG_ROUTING_DAC		0x2A
61 #define DA9055_ALC_CTRL1		0x2B
62 
63 /* Input - Gain, Select and Filter Registers */
64 #define DA9055_AUX_L_GAIN		0x30
65 #define DA9055_AUX_R_GAIN		0x31
66 #define DA9055_MIXIN_L_SELECT		0x32
67 #define DA9055_MIXIN_R_SELECT		0x33
68 #define DA9055_MIXIN_L_GAIN		0x34
69 #define DA9055_MIXIN_R_GAIN		0x35
70 #define DA9055_ADC_L_GAIN		0x36
71 #define DA9055_ADC_R_GAIN		0x37
72 #define DA9055_ADC_FILTERS1		0x38
73 #define DA9055_MIC_L_GAIN		0x39
74 #define DA9055_MIC_R_GAIN		0x3A
75 
76 /* Output - Gain, Select and Filter Registers */
77 #define DA9055_DAC_FILTERS5		0x40
78 #define DA9055_DAC_FILTERS2		0x41
79 #define DA9055_DAC_FILTERS3		0x42
80 #define DA9055_DAC_FILTERS4		0x43
81 #define DA9055_DAC_FILTERS1		0x44
82 #define DA9055_DAC_L_GAIN		0x45
83 #define DA9055_DAC_R_GAIN		0x46
84 #define DA9055_CP_CTRL			0x47
85 #define DA9055_HP_L_GAIN		0x48
86 #define DA9055_HP_R_GAIN		0x49
87 #define DA9055_LINE_GAIN		0x4A
88 #define DA9055_MIXOUT_L_SELECT		0x4B
89 #define DA9055_MIXOUT_R_SELECT		0x4C
90 
91 /* System Controller Registers */
92 #define DA9055_SYSTEM_MODES_INPUT	0x50
93 #define DA9055_SYSTEM_MODES_OUTPUT	0x51
94 
95 /* Control Registers */
96 #define DA9055_AUX_L_CTRL		0x60
97 #define DA9055_AUX_R_CTRL		0x61
98 #define DA9055_MIC_BIAS_CTRL		0x62
99 #define DA9055_MIC_L_CTRL		0x63
100 #define DA9055_MIC_R_CTRL		0x64
101 #define DA9055_MIXIN_L_CTRL		0x65
102 #define DA9055_MIXIN_R_CTRL		0x66
103 #define DA9055_ADC_L_CTRL		0x67
104 #define DA9055_ADC_R_CTRL		0x68
105 #define DA9055_DAC_L_CTRL		0x69
106 #define DA9055_DAC_R_CTRL		0x6A
107 #define DA9055_HP_L_CTRL		0x6B
108 #define DA9055_HP_R_CTRL		0x6C
109 #define DA9055_LINE_CTRL		0x6D
110 #define DA9055_MIXOUT_L_CTRL		0x6E
111 #define DA9055_MIXOUT_R_CTRL		0x6F
112 
113 /* Configuration Registers */
114 #define DA9055_LDO_CTRL			0x90
115 #define DA9055_IO_CTRL			0x91
116 #define DA9055_GAIN_RAMP_CTRL		0x92
117 #define DA9055_MIC_CONFIG		0x93
118 #define DA9055_PC_COUNT			0x94
119 #define DA9055_CP_VOL_THRESHOLD1	0x95
120 #define DA9055_CP_DELAY			0x96
121 #define DA9055_CP_DETECTOR		0x97
122 #define DA9055_AIF_OFFSET		0x98
123 #define DA9055_DIG_CTRL			0x99
124 #define DA9055_ALC_CTRL2		0x9A
125 #define DA9055_ALC_CTRL3		0x9B
126 #define DA9055_ALC_NOISE		0x9C
127 #define DA9055_ALC_TARGET_MIN		0x9D
128 #define DA9055_ALC_TARGET_MAX		0x9E
129 #define DA9055_ALC_GAIN_LIMITS		0x9F
130 #define DA9055_ALC_ANA_GAIN_LIMITS	0xA0
131 #define DA9055_ALC_ANTICLIP_CTRL	0xA1
132 #define DA9055_ALC_ANTICLIP_LEVEL	0xA2
133 #define DA9055_ALC_OFFSET_OP2M_L	0xA6
134 #define DA9055_ALC_OFFSET_OP2U_L	0xA7
135 #define DA9055_ALC_OFFSET_OP2M_R	0xAB
136 #define DA9055_ALC_OFFSET_OP2U_R	0xAC
137 #define DA9055_ALC_CIC_OP_LVL_CTRL	0xAD
138 #define DA9055_ALC_CIC_OP_LVL_DATA	0xAE
139 #define DA9055_DAC_NG_SETUP_TIME	0xAF
140 #define DA9055_DAC_NG_OFF_THRESHOLD	0xB0
141 #define DA9055_DAC_NG_ON_THRESHOLD	0xB1
142 #define DA9055_DAC_NG_CTRL		0xB2
143 
144 /* SR bit fields */
145 #define DA9055_SR_8000			(0x1 << 0)
146 #define DA9055_SR_11025			(0x2 << 0)
147 #define DA9055_SR_12000			(0x3 << 0)
148 #define DA9055_SR_16000			(0x5 << 0)
149 #define DA9055_SR_22050			(0x6 << 0)
150 #define DA9055_SR_24000			(0x7 << 0)
151 #define DA9055_SR_32000			(0x9 << 0)
152 #define DA9055_SR_44100			(0xA << 0)
153 #define DA9055_SR_48000			(0xB << 0)
154 #define DA9055_SR_88200			(0xE << 0)
155 #define DA9055_SR_96000			(0xF << 0)
156 
157 /* REFERENCES bit fields */
158 #define DA9055_BIAS_EN			(1 << 3)
159 #define DA9055_VMID_EN			(1 << 7)
160 
161 /* PLL_CTRL bit fields */
162 #define DA9055_PLL_INDIV_10_20_MHZ	(1 << 2)
163 #define DA9055_PLL_SRM_EN		(1 << 6)
164 #define DA9055_PLL_EN			(1 << 7)
165 
166 /* AIF_CLK_MODE bit fields */
167 #define DA9055_AIF_BCLKS_PER_WCLK_32	(0 << 0)
168 #define DA9055_AIF_BCLKS_PER_WCLK_64	(1 << 0)
169 #define DA9055_AIF_BCLKS_PER_WCLK_128	(2 << 0)
170 #define DA9055_AIF_BCLKS_PER_WCLK_256	(3 << 0)
171 #define DA9055_AIF_CLK_EN_SLAVE_MODE	(0 << 7)
172 #define DA9055_AIF_CLK_EN_MASTER_MODE	(1 << 7)
173 
174 /* AIF_CTRL bit fields */
175 #define DA9055_AIF_FORMAT_I2S_MODE	(0 << 0)
176 #define DA9055_AIF_FORMAT_LEFT_J	(1 << 0)
177 #define DA9055_AIF_FORMAT_RIGHT_J	(2 << 0)
178 #define DA9055_AIF_FORMAT_DSP		(3 << 0)
179 #define DA9055_AIF_WORD_S16_LE		(0 << 2)
180 #define DA9055_AIF_WORD_S20_3LE		(1 << 2)
181 #define DA9055_AIF_WORD_S24_LE		(2 << 2)
182 #define DA9055_AIF_WORD_S32_LE		(3 << 2)
183 
184 /* MIC_L_CTRL bit fields */
185 #define DA9055_MIC_L_MUTE_EN		(1 << 6)
186 
187 /* MIC_R_CTRL bit fields */
188 #define DA9055_MIC_R_MUTE_EN		(1 << 6)
189 
190 /* MIXIN_L_CTRL bit fields */
191 #define DA9055_MIXIN_L_MIX_EN		(1 << 3)
192 
193 /* MIXIN_R_CTRL bit fields */
194 #define DA9055_MIXIN_R_MIX_EN		(1 << 3)
195 
196 /* ADC_L_CTRL bit fields */
197 #define DA9055_ADC_L_EN			(1 << 7)
198 
199 /* ADC_R_CTRL bit fields */
200 #define DA9055_ADC_R_EN			(1 << 7)
201 
202 /* DAC_L_CTRL bit fields */
203 #define DA9055_DAC_L_MUTE_EN		(1 << 6)
204 
205 /* DAC_R_CTRL bit fields */
206 #define DA9055_DAC_R_MUTE_EN		(1 << 6)
207 
208 /* HP_L_CTRL bit fields */
209 #define DA9055_HP_L_AMP_OE		(1 << 3)
210 
211 /* HP_R_CTRL bit fields */
212 #define DA9055_HP_R_AMP_OE		(1 << 3)
213 
214 /* LINE_CTRL bit fields */
215 #define DA9055_LINE_AMP_OE		(1 << 3)
216 
217 /* MIXOUT_L_CTRL bit fields */
218 #define DA9055_MIXOUT_L_MIX_EN		(1 << 3)
219 
220 /* MIXOUT_R_CTRL bit fields */
221 #define DA9055_MIXOUT_R_MIX_EN		(1 << 3)
222 
223 /* MIC bias select bit fields */
224 #define DA9055_MICBIAS2_EN		(1 << 6)
225 
226 /* ALC_CIC_OP_LEVEL_CTRL bit fields */
227 #define DA9055_ALC_DATA_MIDDLE		(2 << 0)
228 #define DA9055_ALC_DATA_TOP		(3 << 0)
229 #define DA9055_ALC_CIC_OP_CHANNEL_LEFT	(0 << 7)
230 #define DA9055_ALC_CIC_OP_CHANNEL_RIGHT	(1 << 7)
231 
232 #define DA9055_AIF_BCLK_MASK		(3 << 0)
233 #define DA9055_AIF_CLK_MODE_MASK	(1 << 7)
234 #define DA9055_AIF_FORMAT_MASK		(3 << 0)
235 #define DA9055_AIF_WORD_LENGTH_MASK	(3 << 2)
236 #define DA9055_GAIN_RAMPING_EN		(1 << 5)
237 #define DA9055_MICBIAS_LEVEL_MASK	(3 << 4)
238 
239 #define DA9055_ALC_OFFSET_15_8		0x00FF00
240 #define DA9055_ALC_OFFSET_17_16		0x030000
241 #define DA9055_ALC_AVG_ITERATIONS	5
242 
243 struct pll_div {
244 	int fref;
245 	int fout;
246 	u8 frac_top;
247 	u8 frac_bot;
248 	u8 integer;
249 	u8 mode;	/* 0 = slave, 1 = master */
250 };
251 
252 /* PLL divisor table */
253 static const struct pll_div da9055_pll_div[] = {
254 	/* for MASTER mode, fs = 44.1Khz and its harmonics */
255 	{11289600, 2822400, 0x00, 0x00, 0x20, 1},	/* MCLK=11.2896Mhz */
256 	{12000000, 2822400, 0x03, 0x61, 0x1E, 1},	/* MCLK=12Mhz */
257 	{12288000, 2822400, 0x0C, 0xCC, 0x1D, 1},	/* MCLK=12.288Mhz */
258 	{13000000, 2822400, 0x19, 0x45, 0x1B, 1},	/* MCLK=13Mhz */
259 	{13500000, 2822400, 0x18, 0x56, 0x1A, 1},	/* MCLK=13.5Mhz */
260 	{14400000, 2822400, 0x02, 0xD0, 0x19, 1},	/* MCLK=14.4Mhz */
261 	{19200000, 2822400, 0x1A, 0x1C, 0x12, 1},	/* MCLK=19.2Mhz */
262 	{19680000, 2822400, 0x0B, 0x6D, 0x12, 1},	/* MCLK=19.68Mhz */
263 	{19800000, 2822400, 0x07, 0xDD, 0x12, 1},	/* MCLK=19.8Mhz */
264 	/* for MASTER mode, fs = 48Khz and its harmonics */
265 	{11289600, 3072000, 0x1A, 0x8E, 0x22, 1},	/* MCLK=11.2896Mhz */
266 	{12000000, 3072000, 0x18, 0x93, 0x20, 1},	/* MCLK=12Mhz */
267 	{12288000, 3072000, 0x00, 0x00, 0x20, 1},	/* MCLK=12.288Mhz */
268 	{13000000, 3072000, 0x07, 0xEA, 0x1E, 1},	/* MCLK=13Mhz */
269 	{13500000, 3072000, 0x04, 0x11, 0x1D, 1},	/* MCLK=13.5Mhz */
270 	{14400000, 3072000, 0x09, 0xD0, 0x1B, 1},	/* MCLK=14.4Mhz */
271 	{19200000, 3072000, 0x0F, 0x5C, 0x14, 1},	/* MCLK=19.2Mhz */
272 	{19680000, 3072000, 0x1F, 0x60, 0x13, 1},	/* MCLK=19.68Mhz */
273 	{19800000, 3072000, 0x1B, 0x80, 0x13, 1},	/* MCLK=19.8Mhz */
274 	/* for SLAVE mode with SRM */
275 	{11289600, 2822400, 0x0D, 0x47, 0x21, 0},	/* MCLK=11.2896Mhz */
276 	{12000000, 2822400, 0x0D, 0xFA, 0x1F, 0},	/* MCLK=12Mhz */
277 	{12288000, 2822400, 0x16, 0x66, 0x1E, 0},	/* MCLK=12.288Mhz */
278 	{13000000, 2822400, 0x00, 0x98, 0x1D, 0},	/* MCLK=13Mhz */
279 	{13500000, 2822400, 0x1E, 0x33, 0x1B, 0},	/* MCLK=13.5Mhz */
280 	{14400000, 2822400, 0x06, 0x50, 0x1A, 0},	/* MCLK=14.4Mhz */
281 	{19200000, 2822400, 0x14, 0xBC, 0x13, 0},	/* MCLK=19.2Mhz */
282 	{19680000, 2822400, 0x05, 0x66, 0x13, 0},	/* MCLK=19.68Mhz */
283 	{19800000, 2822400, 0x01, 0xAE, 0x13, 0},	/* MCLK=19.8Mhz  */
284 };
285 
286 enum clk_src {
287 	DA9055_CLKSRC_MCLK
288 };
289 
290 /* Gain and Volume */
291 
292 static const DECLARE_TLV_DB_RANGE(aux_vol_tlv,
293 	0x0, 0x10, TLV_DB_SCALE_ITEM(-5400, 0, 0),
294 	/* -54dB to 15dB */
295 	0x11, 0x3f, TLV_DB_SCALE_ITEM(-5400, 150, 0)
296 );
297 
298 static const DECLARE_TLV_DB_RANGE(digital_gain_tlv,
299 	0x0, 0x07, TLV_DB_SCALE_ITEM(TLV_DB_GAIN_MUTE, 0, 1),
300 	/* -78dB to 12dB */
301 	0x08, 0x7f, TLV_DB_SCALE_ITEM(-7800, 75, 0)
302 );
303 
304 static const DECLARE_TLV_DB_RANGE(alc_analog_gain_tlv,
305 	0x0, 0x0, TLV_DB_SCALE_ITEM(TLV_DB_GAIN_MUTE, 0, 1),
306 	/* 0dB to 36dB */
307 	0x01, 0x07, TLV_DB_SCALE_ITEM(0, 600, 0)
308 );
309 
310 static const DECLARE_TLV_DB_SCALE(mic_vol_tlv, -600, 600, 0);
311 static const DECLARE_TLV_DB_SCALE(mixin_gain_tlv, -450, 150, 0);
312 static const DECLARE_TLV_DB_SCALE(eq_gain_tlv, -1050, 150, 0);
313 static const DECLARE_TLV_DB_SCALE(hp_vol_tlv, -5700, 100, 0);
314 static const DECLARE_TLV_DB_SCALE(lineout_vol_tlv, -4800, 100, 0);
315 static const DECLARE_TLV_DB_SCALE(alc_threshold_tlv, -9450, 150, 0);
316 static const DECLARE_TLV_DB_SCALE(alc_gain_tlv, 0, 600, 0);
317 
318 /* ADC and DAC high pass filter cutoff value */
319 static const char * const da9055_hpf_cutoff_txt[] = {
320 	"Fs/24000", "Fs/12000", "Fs/6000", "Fs/3000"
321 };
322 
323 static SOC_ENUM_SINGLE_DECL(da9055_dac_hpf_cutoff,
324 			    DA9055_DAC_FILTERS1, 4, da9055_hpf_cutoff_txt);
325 
326 static SOC_ENUM_SINGLE_DECL(da9055_adc_hpf_cutoff,
327 			    DA9055_ADC_FILTERS1, 4, da9055_hpf_cutoff_txt);
328 
329 /* ADC and DAC voice mode (8kHz) high pass cutoff value */
330 static const char * const da9055_vf_cutoff_txt[] = {
331 	"2.5Hz", "25Hz", "50Hz", "100Hz", "150Hz", "200Hz", "300Hz", "400Hz"
332 };
333 
334 static SOC_ENUM_SINGLE_DECL(da9055_dac_vf_cutoff,
335 			    DA9055_DAC_FILTERS1, 0, da9055_vf_cutoff_txt);
336 
337 static SOC_ENUM_SINGLE_DECL(da9055_adc_vf_cutoff,
338 			    DA9055_ADC_FILTERS1, 0, da9055_vf_cutoff_txt);
339 
340 /* Gain ramping rate value */
341 static const char * const da9055_gain_ramping_txt[] = {
342 	"nominal rate", "nominal rate * 4", "nominal rate * 8",
343 	"nominal rate / 8"
344 };
345 
346 static SOC_ENUM_SINGLE_DECL(da9055_gain_ramping_rate,
347 			    DA9055_GAIN_RAMP_CTRL, 0, da9055_gain_ramping_txt);
348 
349 /* DAC noise gate setup time value */
350 static const char * const da9055_dac_ng_setup_time_txt[] = {
351 	"256 samples", "512 samples", "1024 samples", "2048 samples"
352 };
353 
354 static SOC_ENUM_SINGLE_DECL(da9055_dac_ng_setup_time,
355 			    DA9055_DAC_NG_SETUP_TIME, 0,
356 			    da9055_dac_ng_setup_time_txt);
357 
358 /* DAC noise gate rampup rate value */
359 static const char * const da9055_dac_ng_rampup_txt[] = {
360 	"0.02 ms/dB", "0.16 ms/dB"
361 };
362 
363 static SOC_ENUM_SINGLE_DECL(da9055_dac_ng_rampup_rate,
364 			    DA9055_DAC_NG_SETUP_TIME, 2,
365 			    da9055_dac_ng_rampup_txt);
366 
367 /* DAC noise gate rampdown rate value */
368 static const char * const da9055_dac_ng_rampdown_txt[] = {
369 	"0.64 ms/dB", "20.48 ms/dB"
370 };
371 
372 static SOC_ENUM_SINGLE_DECL(da9055_dac_ng_rampdown_rate,
373 			    DA9055_DAC_NG_SETUP_TIME, 3,
374 			    da9055_dac_ng_rampdown_txt);
375 
376 /* DAC soft mute rate value */
377 static const char * const da9055_dac_soft_mute_rate_txt[] = {
378 	"1", "2", "4", "8", "16", "32", "64"
379 };
380 
381 static SOC_ENUM_SINGLE_DECL(da9055_dac_soft_mute_rate,
382 			    DA9055_DAC_FILTERS5, 4,
383 			    da9055_dac_soft_mute_rate_txt);
384 
385 /* DAC routing select */
386 static const char * const da9055_dac_src_txt[] = {
387 	"ADC output left", "ADC output right", "AIF input left",
388 	"AIF input right"
389 };
390 
391 static SOC_ENUM_SINGLE_DECL(da9055_dac_l_src,
392 			    DA9055_DIG_ROUTING_DAC, 0, da9055_dac_src_txt);
393 
394 static SOC_ENUM_SINGLE_DECL(da9055_dac_r_src,
395 			    DA9055_DIG_ROUTING_DAC, 4, da9055_dac_src_txt);
396 
397 /* MIC PGA Left source select */
398 static const char * const da9055_mic_l_src_txt[] = {
399 	"MIC1_P_N", "MIC1_P", "MIC1_N", "MIC2_L"
400 };
401 
402 static SOC_ENUM_SINGLE_DECL(da9055_mic_l_src,
403 			    DA9055_MIXIN_L_SELECT, 4, da9055_mic_l_src_txt);
404 
405 /* MIC PGA Right source select */
406 static const char * const da9055_mic_r_src_txt[] = {
407 	"MIC2_R_L", "MIC2_R", "MIC2_L"
408 };
409 
410 static SOC_ENUM_SINGLE_DECL(da9055_mic_r_src,
411 			    DA9055_MIXIN_R_SELECT, 4, da9055_mic_r_src_txt);
412 
413 /* ALC Input Signal Tracking rate select */
414 static const char * const da9055_signal_tracking_rate_txt[] = {
415 	"1/4", "1/16", "1/256", "1/65536"
416 };
417 
418 static SOC_ENUM_SINGLE_DECL(da9055_integ_attack_rate,
419 			    DA9055_ALC_CTRL3, 4,
420 			    da9055_signal_tracking_rate_txt);
421 
422 static SOC_ENUM_SINGLE_DECL(da9055_integ_release_rate,
423 			    DA9055_ALC_CTRL3, 6,
424 			    da9055_signal_tracking_rate_txt);
425 
426 /* ALC Attack Rate select */
427 static const char * const da9055_attack_rate_txt[] = {
428 	"44/fs", "88/fs", "176/fs", "352/fs", "704/fs", "1408/fs", "2816/fs",
429 	"5632/fs", "11264/fs", "22528/fs", "45056/fs", "90112/fs", "180224/fs"
430 };
431 
432 static SOC_ENUM_SINGLE_DECL(da9055_attack_rate,
433 			    DA9055_ALC_CTRL2, 0, da9055_attack_rate_txt);
434 
435 /* ALC Release Rate select */
436 static const char * const da9055_release_rate_txt[] = {
437 	"176/fs", "352/fs", "704/fs", "1408/fs", "2816/fs", "5632/fs",
438 	"11264/fs", "22528/fs", "45056/fs", "90112/fs", "180224/fs"
439 };
440 
441 static SOC_ENUM_SINGLE_DECL(da9055_release_rate,
442 			    DA9055_ALC_CTRL2, 4, da9055_release_rate_txt);
443 
444 /* ALC Hold Time select */
445 static const char * const da9055_hold_time_txt[] = {
446 	"62/fs", "124/fs", "248/fs", "496/fs", "992/fs", "1984/fs", "3968/fs",
447 	"7936/fs", "15872/fs", "31744/fs", "63488/fs", "126976/fs",
448 	"253952/fs", "507904/fs", "1015808/fs", "2031616/fs"
449 };
450 
451 static SOC_ENUM_SINGLE_DECL(da9055_hold_time,
452 			    DA9055_ALC_CTRL3, 0, da9055_hold_time_txt);
453 
454 static int da9055_get_alc_data(struct snd_soc_codec *codec, u8 reg_val)
455 {
456 	int mid_data, top_data;
457 	int sum = 0;
458 	u8 iteration;
459 
460 	for (iteration = 0; iteration < DA9055_ALC_AVG_ITERATIONS;
461 	     iteration++) {
462 		/* Select the left or right channel and capture data */
463 		snd_soc_write(codec, DA9055_ALC_CIC_OP_LVL_CTRL, reg_val);
464 
465 		/* Select middle 8 bits for read back from data register */
466 		snd_soc_write(codec, DA9055_ALC_CIC_OP_LVL_CTRL,
467 			      reg_val | DA9055_ALC_DATA_MIDDLE);
468 		mid_data = snd_soc_read(codec, DA9055_ALC_CIC_OP_LVL_DATA);
469 
470 		/* Select top 8 bits for read back from data register */
471 		snd_soc_write(codec, DA9055_ALC_CIC_OP_LVL_CTRL,
472 			      reg_val | DA9055_ALC_DATA_TOP);
473 		top_data = snd_soc_read(codec, DA9055_ALC_CIC_OP_LVL_DATA);
474 
475 		sum += ((mid_data << 8) | (top_data << 16));
476 	}
477 
478 	return sum / DA9055_ALC_AVG_ITERATIONS;
479 }
480 
481 static int da9055_put_alc_sw(struct snd_kcontrol *kcontrol,
482 			     struct snd_ctl_elem_value *ucontrol)
483 {
484 	struct snd_soc_codec *codec = snd_soc_kcontrol_codec(kcontrol);
485 	u8 reg_val, adc_left, adc_right, mic_left, mic_right;
486 	int avg_left_data, avg_right_data, offset_l, offset_r;
487 
488 	if (ucontrol->value.integer.value[0]) {
489 		/*
490 		 * While enabling ALC (or ALC sync mode), calibration of the DC
491 		 * offsets must be done first
492 		 */
493 
494 		/* Save current values from Mic control registers */
495 		mic_left = snd_soc_read(codec, DA9055_MIC_L_CTRL);
496 		mic_right = snd_soc_read(codec, DA9055_MIC_R_CTRL);
497 
498 		/* Mute Mic PGA Left and Right */
499 		snd_soc_update_bits(codec, DA9055_MIC_L_CTRL,
500 				    DA9055_MIC_L_MUTE_EN, DA9055_MIC_L_MUTE_EN);
501 		snd_soc_update_bits(codec, DA9055_MIC_R_CTRL,
502 				    DA9055_MIC_R_MUTE_EN, DA9055_MIC_R_MUTE_EN);
503 
504 		/* Save current values from ADC control registers */
505 		adc_left = snd_soc_read(codec, DA9055_ADC_L_CTRL);
506 		adc_right = snd_soc_read(codec, DA9055_ADC_R_CTRL);
507 
508 		/* Enable ADC Left and Right */
509 		snd_soc_update_bits(codec, DA9055_ADC_L_CTRL,
510 				    DA9055_ADC_L_EN, DA9055_ADC_L_EN);
511 		snd_soc_update_bits(codec, DA9055_ADC_R_CTRL,
512 				    DA9055_ADC_R_EN, DA9055_ADC_R_EN);
513 
514 		/* Calculate average for Left and Right data */
515 		/* Left Data */
516 		avg_left_data = da9055_get_alc_data(codec,
517 				DA9055_ALC_CIC_OP_CHANNEL_LEFT);
518 		/* Right Data */
519 		avg_right_data = da9055_get_alc_data(codec,
520 				 DA9055_ALC_CIC_OP_CHANNEL_RIGHT);
521 
522 		/* Calculate DC offset */
523 		offset_l = -avg_left_data;
524 		offset_r = -avg_right_data;
525 
526 		reg_val = (offset_l & DA9055_ALC_OFFSET_15_8) >> 8;
527 		snd_soc_write(codec, DA9055_ALC_OFFSET_OP2M_L, reg_val);
528 		reg_val = (offset_l & DA9055_ALC_OFFSET_17_16) >> 16;
529 		snd_soc_write(codec, DA9055_ALC_OFFSET_OP2U_L, reg_val);
530 
531 		reg_val = (offset_r & DA9055_ALC_OFFSET_15_8) >> 8;
532 		snd_soc_write(codec, DA9055_ALC_OFFSET_OP2M_R, reg_val);
533 		reg_val = (offset_r & DA9055_ALC_OFFSET_17_16) >> 16;
534 		snd_soc_write(codec, DA9055_ALC_OFFSET_OP2U_R, reg_val);
535 
536 		/* Restore original values of ADC control registers */
537 		snd_soc_write(codec, DA9055_ADC_L_CTRL, adc_left);
538 		snd_soc_write(codec, DA9055_ADC_R_CTRL, adc_right);
539 
540 		/* Restore original values of Mic control registers */
541 		snd_soc_write(codec, DA9055_MIC_L_CTRL, mic_left);
542 		snd_soc_write(codec, DA9055_MIC_R_CTRL, mic_right);
543 	}
544 
545 	return snd_soc_put_volsw(kcontrol, ucontrol);
546 }
547 
548 static const struct snd_kcontrol_new da9055_snd_controls[] = {
549 
550 	/* Volume controls */
551 	SOC_DOUBLE_R_TLV("Mic Volume",
552 			 DA9055_MIC_L_GAIN, DA9055_MIC_R_GAIN,
553 			 0, 0x7, 0, mic_vol_tlv),
554 	SOC_DOUBLE_R_TLV("Aux Volume",
555 			 DA9055_AUX_L_GAIN, DA9055_AUX_R_GAIN,
556 			 0, 0x3f, 0, aux_vol_tlv),
557 	SOC_DOUBLE_R_TLV("Mixin PGA Volume",
558 			 DA9055_MIXIN_L_GAIN, DA9055_MIXIN_R_GAIN,
559 			 0, 0xf, 0, mixin_gain_tlv),
560 	SOC_DOUBLE_R_TLV("ADC Volume",
561 			 DA9055_ADC_L_GAIN, DA9055_ADC_R_GAIN,
562 			 0, 0x7f, 0, digital_gain_tlv),
563 
564 	SOC_DOUBLE_R_TLV("DAC Volume",
565 			 DA9055_DAC_L_GAIN, DA9055_DAC_R_GAIN,
566 			 0, 0x7f, 0, digital_gain_tlv),
567 	SOC_DOUBLE_R_TLV("Headphone Volume",
568 			 DA9055_HP_L_GAIN, DA9055_HP_R_GAIN,
569 			 0, 0x3f, 0, hp_vol_tlv),
570 	SOC_SINGLE_TLV("Lineout Volume", DA9055_LINE_GAIN, 0, 0x3f, 0,
571 		       lineout_vol_tlv),
572 
573 	/* DAC Equalizer controls */
574 	SOC_SINGLE("DAC EQ Switch", DA9055_DAC_FILTERS4, 7, 1, 0),
575 	SOC_SINGLE_TLV("DAC EQ1 Volume", DA9055_DAC_FILTERS2, 0, 0xf, 0,
576 		       eq_gain_tlv),
577 	SOC_SINGLE_TLV("DAC EQ2 Volume", DA9055_DAC_FILTERS2, 4, 0xf, 0,
578 		       eq_gain_tlv),
579 	SOC_SINGLE_TLV("DAC EQ3 Volume", DA9055_DAC_FILTERS3, 0, 0xf, 0,
580 		       eq_gain_tlv),
581 	SOC_SINGLE_TLV("DAC EQ4 Volume", DA9055_DAC_FILTERS3, 4, 0xf, 0,
582 		       eq_gain_tlv),
583 	SOC_SINGLE_TLV("DAC EQ5 Volume", DA9055_DAC_FILTERS4, 0, 0xf, 0,
584 		       eq_gain_tlv),
585 
586 	/* High Pass Filter and Voice Mode controls */
587 	SOC_SINGLE("ADC HPF Switch", DA9055_ADC_FILTERS1, 7, 1, 0),
588 	SOC_ENUM("ADC HPF Cutoff", da9055_adc_hpf_cutoff),
589 	SOC_SINGLE("ADC Voice Mode Switch", DA9055_ADC_FILTERS1, 3, 1, 0),
590 	SOC_ENUM("ADC Voice Cutoff", da9055_adc_vf_cutoff),
591 
592 	SOC_SINGLE("DAC HPF Switch", DA9055_DAC_FILTERS1, 7, 1, 0),
593 	SOC_ENUM("DAC HPF Cutoff", da9055_dac_hpf_cutoff),
594 	SOC_SINGLE("DAC Voice Mode Switch", DA9055_DAC_FILTERS1, 3, 1, 0),
595 	SOC_ENUM("DAC Voice Cutoff", da9055_dac_vf_cutoff),
596 
597 	/* Mute controls */
598 	SOC_DOUBLE_R("Mic Switch", DA9055_MIC_L_CTRL,
599 		     DA9055_MIC_R_CTRL, 6, 1, 0),
600 	SOC_DOUBLE_R("Aux Switch", DA9055_AUX_L_CTRL,
601 		     DA9055_AUX_R_CTRL, 6, 1, 0),
602 	SOC_DOUBLE_R("Mixin PGA Switch", DA9055_MIXIN_L_CTRL,
603 		     DA9055_MIXIN_R_CTRL, 6, 1, 0),
604 	SOC_DOUBLE_R("ADC Switch", DA9055_ADC_L_CTRL,
605 		     DA9055_ADC_R_CTRL, 6, 1, 0),
606 	SOC_DOUBLE_R("Headphone Switch", DA9055_HP_L_CTRL,
607 		     DA9055_HP_R_CTRL, 6, 1, 0),
608 	SOC_SINGLE("Lineout Switch", DA9055_LINE_CTRL, 6, 1, 0),
609 	SOC_SINGLE("DAC Soft Mute Switch", DA9055_DAC_FILTERS5, 7, 1, 0),
610 	SOC_ENUM("DAC Soft Mute Rate", da9055_dac_soft_mute_rate),
611 
612 	/* Zero Cross controls */
613 	SOC_DOUBLE_R("Aux ZC Switch", DA9055_AUX_L_CTRL,
614 		     DA9055_AUX_R_CTRL, 4, 1, 0),
615 	SOC_DOUBLE_R("Mixin PGA ZC Switch", DA9055_MIXIN_L_CTRL,
616 		     DA9055_MIXIN_R_CTRL, 4, 1, 0),
617 	SOC_DOUBLE_R("Headphone ZC Switch", DA9055_HP_L_CTRL,
618 		     DA9055_HP_R_CTRL, 4, 1, 0),
619 	SOC_SINGLE("Lineout ZC Switch", DA9055_LINE_CTRL, 4, 1, 0),
620 
621 	/* Gain Ramping controls */
622 	SOC_DOUBLE_R("Aux Gain Ramping Switch", DA9055_AUX_L_CTRL,
623 		     DA9055_AUX_R_CTRL, 5, 1, 0),
624 	SOC_DOUBLE_R("Mixin Gain Ramping Switch", DA9055_MIXIN_L_CTRL,
625 		     DA9055_MIXIN_R_CTRL, 5, 1, 0),
626 	SOC_DOUBLE_R("ADC Gain Ramping Switch", DA9055_ADC_L_CTRL,
627 		     DA9055_ADC_R_CTRL, 5, 1, 0),
628 	SOC_DOUBLE_R("DAC Gain Ramping Switch", DA9055_DAC_L_CTRL,
629 		     DA9055_DAC_R_CTRL, 5, 1, 0),
630 	SOC_DOUBLE_R("Headphone Gain Ramping Switch", DA9055_HP_L_CTRL,
631 		     DA9055_HP_R_CTRL, 5, 1, 0),
632 	SOC_SINGLE("Lineout Gain Ramping Switch", DA9055_LINE_CTRL, 5, 1, 0),
633 	SOC_ENUM("Gain Ramping Rate", da9055_gain_ramping_rate),
634 
635 	/* DAC Noise Gate controls */
636 	SOC_SINGLE("DAC NG Switch", DA9055_DAC_NG_CTRL, 7, 1, 0),
637 	SOC_SINGLE("DAC NG ON Threshold", DA9055_DAC_NG_ON_THRESHOLD,
638 		   0, 0x7, 0),
639 	SOC_SINGLE("DAC NG OFF Threshold", DA9055_DAC_NG_OFF_THRESHOLD,
640 		   0, 0x7, 0),
641 	SOC_ENUM("DAC NG Setup Time", da9055_dac_ng_setup_time),
642 	SOC_ENUM("DAC NG Rampup Rate", da9055_dac_ng_rampup_rate),
643 	SOC_ENUM("DAC NG Rampdown Rate", da9055_dac_ng_rampdown_rate),
644 
645 	/* DAC Invertion control */
646 	SOC_SINGLE("DAC Left Invert", DA9055_DIG_CTRL, 3, 1, 0),
647 	SOC_SINGLE("DAC Right Invert", DA9055_DIG_CTRL, 7, 1, 0),
648 
649 	/* DMIC controls */
650 	SOC_DOUBLE_R("DMIC Switch", DA9055_MIXIN_L_SELECT,
651 		     DA9055_MIXIN_R_SELECT, 7, 1, 0),
652 
653 	/* ALC Controls */
654 	SOC_DOUBLE_EXT("ALC Switch", DA9055_ALC_CTRL1, 3, 7, 1, 0,
655 		       snd_soc_get_volsw, da9055_put_alc_sw),
656 	SOC_SINGLE_EXT("ALC Sync Mode Switch", DA9055_ALC_CTRL1, 1, 1, 0,
657 		       snd_soc_get_volsw, da9055_put_alc_sw),
658 	SOC_SINGLE("ALC Offset Switch", DA9055_ALC_CTRL1, 0, 1, 0),
659 	SOC_SINGLE("ALC Anticlip Mode Switch", DA9055_ALC_ANTICLIP_CTRL,
660 		   7, 1, 0),
661 	SOC_SINGLE("ALC Anticlip Level", DA9055_ALC_ANTICLIP_LEVEL,
662 		   0, 0x7f, 0),
663 	SOC_SINGLE_TLV("ALC Min Threshold Volume", DA9055_ALC_TARGET_MIN,
664 		       0, 0x3f, 1, alc_threshold_tlv),
665 	SOC_SINGLE_TLV("ALC Max Threshold Volume", DA9055_ALC_TARGET_MAX,
666 		       0, 0x3f, 1, alc_threshold_tlv),
667 	SOC_SINGLE_TLV("ALC Noise Threshold Volume", DA9055_ALC_NOISE,
668 		       0, 0x3f, 1, alc_threshold_tlv),
669 	SOC_SINGLE_TLV("ALC Max Gain Volume", DA9055_ALC_GAIN_LIMITS,
670 		       4, 0xf, 0, alc_gain_tlv),
671 	SOC_SINGLE_TLV("ALC Max Attenuation Volume", DA9055_ALC_GAIN_LIMITS,
672 		       0, 0xf, 0, alc_gain_tlv),
673 	SOC_SINGLE_TLV("ALC Min Analog Gain Volume",
674 		       DA9055_ALC_ANA_GAIN_LIMITS,
675 		       0, 0x7, 0, alc_analog_gain_tlv),
676 	SOC_SINGLE_TLV("ALC Max Analog Gain Volume",
677 		       DA9055_ALC_ANA_GAIN_LIMITS,
678 		       4, 0x7, 0, alc_analog_gain_tlv),
679 	SOC_ENUM("ALC Attack Rate", da9055_attack_rate),
680 	SOC_ENUM("ALC Release Rate", da9055_release_rate),
681 	SOC_ENUM("ALC Hold Time", da9055_hold_time),
682 	/*
683 	 * Rate at which input signal envelope is tracked as the signal gets
684 	 * larger
685 	 */
686 	SOC_ENUM("ALC Integ Attack Rate", da9055_integ_attack_rate),
687 	/*
688 	 * Rate at which input signal envelope is tracked as the signal gets
689 	 * smaller
690 	 */
691 	SOC_ENUM("ALC Integ Release Rate", da9055_integ_release_rate),
692 };
693 
694 /* DAPM Controls */
695 
696 /* Mic PGA Left Source */
697 static const struct snd_kcontrol_new da9055_mic_l_mux_controls =
698 SOC_DAPM_ENUM("Route", da9055_mic_l_src);
699 
700 /* Mic PGA Right Source */
701 static const struct snd_kcontrol_new da9055_mic_r_mux_controls =
702 SOC_DAPM_ENUM("Route", da9055_mic_r_src);
703 
704 /* In Mixer Left */
705 static const struct snd_kcontrol_new da9055_dapm_mixinl_controls[] = {
706 	SOC_DAPM_SINGLE("Aux Left Switch", DA9055_MIXIN_L_SELECT, 0, 1, 0),
707 	SOC_DAPM_SINGLE("Mic Left Switch", DA9055_MIXIN_L_SELECT, 1, 1, 0),
708 	SOC_DAPM_SINGLE("Mic Right Switch", DA9055_MIXIN_L_SELECT, 2, 1, 0),
709 };
710 
711 /* In Mixer Right */
712 static const struct snd_kcontrol_new da9055_dapm_mixinr_controls[] = {
713 	SOC_DAPM_SINGLE("Aux Right Switch", DA9055_MIXIN_R_SELECT, 0, 1, 0),
714 	SOC_DAPM_SINGLE("Mic Right Switch", DA9055_MIXIN_R_SELECT, 1, 1, 0),
715 	SOC_DAPM_SINGLE("Mic Left Switch", DA9055_MIXIN_R_SELECT, 2, 1, 0),
716 	SOC_DAPM_SINGLE("Mixin Left Switch", DA9055_MIXIN_R_SELECT, 3, 1, 0),
717 };
718 
719 /* DAC Left Source */
720 static const struct snd_kcontrol_new da9055_dac_l_mux_controls =
721 SOC_DAPM_ENUM("Route", da9055_dac_l_src);
722 
723 /* DAC Right Source */
724 static const struct snd_kcontrol_new da9055_dac_r_mux_controls =
725 SOC_DAPM_ENUM("Route", da9055_dac_r_src);
726 
727 /* Out Mixer Left */
728 static const struct snd_kcontrol_new da9055_dapm_mixoutl_controls[] = {
729 	SOC_DAPM_SINGLE("Aux Left Switch", DA9055_MIXOUT_L_SELECT, 0, 1, 0),
730 	SOC_DAPM_SINGLE("Mixin Left Switch", DA9055_MIXOUT_L_SELECT, 1, 1, 0),
731 	SOC_DAPM_SINGLE("Mixin Right Switch", DA9055_MIXOUT_L_SELECT, 2, 1, 0),
732 	SOC_DAPM_SINGLE("DAC Left Switch", DA9055_MIXOUT_L_SELECT, 3, 1, 0),
733 	SOC_DAPM_SINGLE("Aux Left Invert Switch", DA9055_MIXOUT_L_SELECT,
734 			4, 1, 0),
735 	SOC_DAPM_SINGLE("Mixin Left Invert Switch", DA9055_MIXOUT_L_SELECT,
736 			5, 1, 0),
737 	SOC_DAPM_SINGLE("Mixin Right Invert Switch", DA9055_MIXOUT_L_SELECT,
738 			6, 1, 0),
739 };
740 
741 /* Out Mixer Right */
742 static const struct snd_kcontrol_new da9055_dapm_mixoutr_controls[] = {
743 	SOC_DAPM_SINGLE("Aux Right Switch", DA9055_MIXOUT_R_SELECT, 0, 1, 0),
744 	SOC_DAPM_SINGLE("Mixin Right Switch", DA9055_MIXOUT_R_SELECT, 1, 1, 0),
745 	SOC_DAPM_SINGLE("Mixin Left Switch", DA9055_MIXOUT_R_SELECT, 2, 1, 0),
746 	SOC_DAPM_SINGLE("DAC Right Switch", DA9055_MIXOUT_R_SELECT, 3, 1, 0),
747 	SOC_DAPM_SINGLE("Aux Right Invert Switch", DA9055_MIXOUT_R_SELECT,
748 			4, 1, 0),
749 	SOC_DAPM_SINGLE("Mixin Right Invert Switch", DA9055_MIXOUT_R_SELECT,
750 			5, 1, 0),
751 	SOC_DAPM_SINGLE("Mixin Left Invert Switch", DA9055_MIXOUT_R_SELECT,
752 			6, 1, 0),
753 };
754 
755 /* Headphone Output Enable */
756 static const struct snd_kcontrol_new da9055_dapm_hp_l_control =
757 SOC_DAPM_SINGLE("Switch", DA9055_HP_L_CTRL, 3, 1, 0);
758 
759 static const struct snd_kcontrol_new da9055_dapm_hp_r_control =
760 SOC_DAPM_SINGLE("Switch", DA9055_HP_R_CTRL, 3, 1, 0);
761 
762 /* Lineout Output Enable */
763 static const struct snd_kcontrol_new da9055_dapm_lineout_control =
764 SOC_DAPM_SINGLE("Switch", DA9055_LINE_CTRL, 3, 1, 0);
765 
766 /* DAPM widgets */
767 static const struct snd_soc_dapm_widget da9055_dapm_widgets[] = {
768 	/* Input Side */
769 
770 	/* Input Lines */
771 	SND_SOC_DAPM_INPUT("MIC1"),
772 	SND_SOC_DAPM_INPUT("MIC2"),
773 	SND_SOC_DAPM_INPUT("AUXL"),
774 	SND_SOC_DAPM_INPUT("AUXR"),
775 
776 	/* MUXs for Mic PGA source selection */
777 	SND_SOC_DAPM_MUX("Mic Left Source", SND_SOC_NOPM, 0, 0,
778 			 &da9055_mic_l_mux_controls),
779 	SND_SOC_DAPM_MUX("Mic Right Source", SND_SOC_NOPM, 0, 0,
780 			 &da9055_mic_r_mux_controls),
781 
782 	/* Input PGAs */
783 	SND_SOC_DAPM_PGA("Mic Left", DA9055_MIC_L_CTRL, 7, 0, NULL, 0),
784 	SND_SOC_DAPM_PGA("Mic Right", DA9055_MIC_R_CTRL, 7, 0, NULL, 0),
785 	SND_SOC_DAPM_PGA("Aux Left", DA9055_AUX_L_CTRL, 7, 0, NULL, 0),
786 	SND_SOC_DAPM_PGA("Aux Right", DA9055_AUX_R_CTRL, 7, 0, NULL, 0),
787 	SND_SOC_DAPM_PGA("MIXIN Left", DA9055_MIXIN_L_CTRL, 7, 0, NULL, 0),
788 	SND_SOC_DAPM_PGA("MIXIN Right", DA9055_MIXIN_R_CTRL, 7, 0, NULL, 0),
789 
790 	SND_SOC_DAPM_SUPPLY("Mic Bias", DA9055_MIC_BIAS_CTRL, 7, 0, NULL, 0),
791 	SND_SOC_DAPM_SUPPLY("AIF", DA9055_AIF_CTRL, 7, 0, NULL, 0),
792 	SND_SOC_DAPM_SUPPLY("Charge Pump", DA9055_CP_CTRL, 7, 0, NULL, 0),
793 
794 	/* Input Mixers */
795 	SND_SOC_DAPM_MIXER("In Mixer Left", SND_SOC_NOPM, 0, 0,
796 			   &da9055_dapm_mixinl_controls[0],
797 			   ARRAY_SIZE(da9055_dapm_mixinl_controls)),
798 	SND_SOC_DAPM_MIXER("In Mixer Right", SND_SOC_NOPM, 0, 0,
799 			   &da9055_dapm_mixinr_controls[0],
800 			   ARRAY_SIZE(da9055_dapm_mixinr_controls)),
801 
802 	/* ADCs */
803 	SND_SOC_DAPM_ADC("ADC Left", "Capture", DA9055_ADC_L_CTRL, 7, 0),
804 	SND_SOC_DAPM_ADC("ADC Right", "Capture", DA9055_ADC_R_CTRL, 7, 0),
805 
806 	/* Output Side */
807 
808 	/* MUXs for DAC source selection */
809 	SND_SOC_DAPM_MUX("DAC Left Source", SND_SOC_NOPM, 0, 0,
810 			 &da9055_dac_l_mux_controls),
811 	SND_SOC_DAPM_MUX("DAC Right Source", SND_SOC_NOPM, 0, 0,
812 			 &da9055_dac_r_mux_controls),
813 
814 	/* AIF input */
815 	SND_SOC_DAPM_AIF_IN("AIFIN Left", "Playback", 0, SND_SOC_NOPM, 0, 0),
816 	SND_SOC_DAPM_AIF_IN("AIFIN Right", "Playback", 0, SND_SOC_NOPM, 0, 0),
817 
818 	/* DACs */
819 	SND_SOC_DAPM_DAC("DAC Left", "Playback", DA9055_DAC_L_CTRL, 7, 0),
820 	SND_SOC_DAPM_DAC("DAC Right", "Playback", DA9055_DAC_R_CTRL, 7, 0),
821 
822 	/* Output Mixers */
823 	SND_SOC_DAPM_MIXER("Out Mixer Left", SND_SOC_NOPM, 0, 0,
824 			   &da9055_dapm_mixoutl_controls[0],
825 			   ARRAY_SIZE(da9055_dapm_mixoutl_controls)),
826 	SND_SOC_DAPM_MIXER("Out Mixer Right", SND_SOC_NOPM, 0, 0,
827 			   &da9055_dapm_mixoutr_controls[0],
828 			   ARRAY_SIZE(da9055_dapm_mixoutr_controls)),
829 
830 	/* Output Enable Switches */
831 	SND_SOC_DAPM_SWITCH("Headphone Left Enable", SND_SOC_NOPM, 0, 0,
832 			    &da9055_dapm_hp_l_control),
833 	SND_SOC_DAPM_SWITCH("Headphone Right Enable", SND_SOC_NOPM, 0, 0,
834 			    &da9055_dapm_hp_r_control),
835 	SND_SOC_DAPM_SWITCH("Lineout Enable", SND_SOC_NOPM, 0, 0,
836 			    &da9055_dapm_lineout_control),
837 
838 	/* Output PGAs */
839 	SND_SOC_DAPM_PGA("MIXOUT Left", DA9055_MIXOUT_L_CTRL, 7, 0, NULL, 0),
840 	SND_SOC_DAPM_PGA("MIXOUT Right", DA9055_MIXOUT_R_CTRL, 7, 0, NULL, 0),
841 	SND_SOC_DAPM_PGA("Lineout", DA9055_LINE_CTRL, 7, 0, NULL, 0),
842 	SND_SOC_DAPM_PGA("Headphone Left", DA9055_HP_L_CTRL, 7, 0, NULL, 0),
843 	SND_SOC_DAPM_PGA("Headphone Right", DA9055_HP_R_CTRL, 7, 0, NULL, 0),
844 
845 	/* Output Lines */
846 	SND_SOC_DAPM_OUTPUT("HPL"),
847 	SND_SOC_DAPM_OUTPUT("HPR"),
848 	SND_SOC_DAPM_OUTPUT("LINE"),
849 };
850 
851 /* DAPM audio route definition */
852 static const struct snd_soc_dapm_route da9055_audio_map[] = {
853 	/* Dest       Connecting Widget    source */
854 
855 	/* Input path */
856 	{"Mic Left Source", "MIC1_P_N", "MIC1"},
857 	{"Mic Left Source", "MIC1_P", "MIC1"},
858 	{"Mic Left Source", "MIC1_N", "MIC1"},
859 	{"Mic Left Source", "MIC2_L", "MIC2"},
860 
861 	{"Mic Right Source", "MIC2_R_L", "MIC2"},
862 	{"Mic Right Source", "MIC2_R", "MIC2"},
863 	{"Mic Right Source", "MIC2_L", "MIC2"},
864 
865 	{"Mic Left", NULL, "Mic Left Source"},
866 	{"Mic Right", NULL, "Mic Right Source"},
867 
868 	{"Aux Left", NULL, "AUXL"},
869 	{"Aux Right", NULL, "AUXR"},
870 
871 	{"In Mixer Left", "Mic Left Switch", "Mic Left"},
872 	{"In Mixer Left", "Mic Right Switch", "Mic Right"},
873 	{"In Mixer Left", "Aux Left Switch", "Aux Left"},
874 
875 	{"In Mixer Right", "Mic Right Switch", "Mic Right"},
876 	{"In Mixer Right", "Mic Left Switch", "Mic Left"},
877 	{"In Mixer Right", "Aux Right Switch", "Aux Right"},
878 	{"In Mixer Right", "Mixin Left Switch", "MIXIN Left"},
879 
880 	{"MIXIN Left", NULL, "In Mixer Left"},
881 	{"ADC Left", NULL, "MIXIN Left"},
882 
883 	{"MIXIN Right", NULL, "In Mixer Right"},
884 	{"ADC Right", NULL, "MIXIN Right"},
885 
886 	{"ADC Left", NULL, "AIF"},
887 	{"ADC Right", NULL, "AIF"},
888 
889 	/* Output path */
890 	{"AIFIN Left", NULL, "AIF"},
891 	{"AIFIN Right", NULL, "AIF"},
892 
893 	{"DAC Left Source", "ADC output left", "ADC Left"},
894 	{"DAC Left Source", "ADC output right", "ADC Right"},
895 	{"DAC Left Source", "AIF input left", "AIFIN Left"},
896 	{"DAC Left Source", "AIF input right", "AIFIN Right"},
897 
898 	{"DAC Right Source", "ADC output left", "ADC Left"},
899 	{"DAC Right Source", "ADC output right", "ADC Right"},
900 	{"DAC Right Source", "AIF input left", "AIFIN Left"},
901 	{"DAC Right Source", "AIF input right", "AIFIN Right"},
902 
903 	{"DAC Left", NULL, "DAC Left Source"},
904 	{"DAC Right", NULL, "DAC Right Source"},
905 
906 	{"Out Mixer Left", "Aux Left Switch", "Aux Left"},
907 	{"Out Mixer Left", "Mixin Left Switch", "MIXIN Left"},
908 	{"Out Mixer Left", "Mixin Right Switch", "MIXIN Right"},
909 	{"Out Mixer Left", "Aux Left Invert Switch", "Aux Left"},
910 	{"Out Mixer Left", "Mixin Left Invert Switch", "MIXIN Left"},
911 	{"Out Mixer Left", "Mixin Right Invert Switch", "MIXIN Right"},
912 	{"Out Mixer Left", "DAC Left Switch", "DAC Left"},
913 
914 	{"Out Mixer Right", "Aux Right Switch", "Aux Right"},
915 	{"Out Mixer Right", "Mixin Right Switch", "MIXIN Right"},
916 	{"Out Mixer Right", "Mixin Left Switch", "MIXIN Left"},
917 	{"Out Mixer Right", "Aux Right Invert Switch", "Aux Right"},
918 	{"Out Mixer Right", "Mixin Right Invert Switch", "MIXIN Right"},
919 	{"Out Mixer Right", "Mixin Left Invert Switch", "MIXIN Left"},
920 	{"Out Mixer Right", "DAC Right Switch", "DAC Right"},
921 
922 	{"MIXOUT Left", NULL, "Out Mixer Left"},
923 	{"Headphone Left Enable", "Switch", "MIXOUT Left"},
924 	{"Headphone Left", NULL, "Headphone Left Enable"},
925 	{"Headphone Left", NULL, "Charge Pump"},
926 	{"HPL", NULL, "Headphone Left"},
927 
928 	{"MIXOUT Right", NULL, "Out Mixer Right"},
929 	{"Headphone Right Enable", "Switch", "MIXOUT Right"},
930 	{"Headphone Right", NULL, "Headphone Right Enable"},
931 	{"Headphone Right", NULL, "Charge Pump"},
932 	{"HPR", NULL, "Headphone Right"},
933 
934 	{"MIXOUT Right", NULL, "Out Mixer Right"},
935 	{"Lineout Enable", "Switch", "MIXOUT Right"},
936 	{"Lineout", NULL, "Lineout Enable"},
937 	{"LINE", NULL, "Lineout"},
938 };
939 
940 /* Codec private data */
941 struct da9055_priv {
942 	struct regmap *regmap;
943 	unsigned int mclk_rate;
944 	int master;
945 	struct da9055_platform_data *pdata;
946 };
947 
948 static const struct reg_default da9055_reg_defaults[] = {
949 	{ 0x21, 0x10 },
950 	{ 0x22, 0x0A },
951 	{ 0x23, 0x00 },
952 	{ 0x24, 0x00 },
953 	{ 0x25, 0x00 },
954 	{ 0x26, 0x00 },
955 	{ 0x27, 0x0C },
956 	{ 0x28, 0x01 },
957 	{ 0x29, 0x08 },
958 	{ 0x2A, 0x32 },
959 	{ 0x2B, 0x00 },
960 	{ 0x30, 0x35 },
961 	{ 0x31, 0x35 },
962 	{ 0x32, 0x00 },
963 	{ 0x33, 0x00 },
964 	{ 0x34, 0x03 },
965 	{ 0x35, 0x03 },
966 	{ 0x36, 0x6F },
967 	{ 0x37, 0x6F },
968 	{ 0x38, 0x80 },
969 	{ 0x39, 0x01 },
970 	{ 0x3A, 0x01 },
971 	{ 0x40, 0x00 },
972 	{ 0x41, 0x88 },
973 	{ 0x42, 0x88 },
974 	{ 0x43, 0x08 },
975 	{ 0x44, 0x80 },
976 	{ 0x45, 0x6F },
977 	{ 0x46, 0x6F },
978 	{ 0x47, 0x61 },
979 	{ 0x48, 0x35 },
980 	{ 0x49, 0x35 },
981 	{ 0x4A, 0x35 },
982 	{ 0x4B, 0x00 },
983 	{ 0x4C, 0x00 },
984 	{ 0x60, 0x44 },
985 	{ 0x61, 0x44 },
986 	{ 0x62, 0x00 },
987 	{ 0x63, 0x40 },
988 	{ 0x64, 0x40 },
989 	{ 0x65, 0x40 },
990 	{ 0x66, 0x40 },
991 	{ 0x67, 0x40 },
992 	{ 0x68, 0x40 },
993 	{ 0x69, 0x48 },
994 	{ 0x6A, 0x40 },
995 	{ 0x6B, 0x41 },
996 	{ 0x6C, 0x40 },
997 	{ 0x6D, 0x40 },
998 	{ 0x6E, 0x10 },
999 	{ 0x6F, 0x10 },
1000 	{ 0x90, 0x80 },
1001 	{ 0x92, 0x02 },
1002 	{ 0x93, 0x00 },
1003 	{ 0x99, 0x00 },
1004 	{ 0x9A, 0x00 },
1005 	{ 0x9B, 0x00 },
1006 	{ 0x9C, 0x3F },
1007 	{ 0x9D, 0x00 },
1008 	{ 0x9E, 0x3F },
1009 	{ 0x9F, 0xFF },
1010 	{ 0xA0, 0x71 },
1011 	{ 0xA1, 0x00 },
1012 	{ 0xA2, 0x00 },
1013 	{ 0xA6, 0x00 },
1014 	{ 0xA7, 0x00 },
1015 	{ 0xAB, 0x00 },
1016 	{ 0xAC, 0x00 },
1017 	{ 0xAD, 0x00 },
1018 	{ 0xAF, 0x08 },
1019 	{ 0xB0, 0x00 },
1020 	{ 0xB1, 0x00 },
1021 	{ 0xB2, 0x00 },
1022 };
1023 
1024 static bool da9055_volatile_register(struct device *dev,
1025 				     unsigned int reg)
1026 {
1027 	switch (reg) {
1028 	case DA9055_STATUS1:
1029 	case DA9055_PLL_STATUS:
1030 	case DA9055_AUX_L_GAIN_STATUS:
1031 	case DA9055_AUX_R_GAIN_STATUS:
1032 	case DA9055_MIC_L_GAIN_STATUS:
1033 	case DA9055_MIC_R_GAIN_STATUS:
1034 	case DA9055_MIXIN_L_GAIN_STATUS:
1035 	case DA9055_MIXIN_R_GAIN_STATUS:
1036 	case DA9055_ADC_L_GAIN_STATUS:
1037 	case DA9055_ADC_R_GAIN_STATUS:
1038 	case DA9055_DAC_L_GAIN_STATUS:
1039 	case DA9055_DAC_R_GAIN_STATUS:
1040 	case DA9055_HP_L_GAIN_STATUS:
1041 	case DA9055_HP_R_GAIN_STATUS:
1042 	case DA9055_LINE_GAIN_STATUS:
1043 	case DA9055_ALC_CIC_OP_LVL_DATA:
1044 		return 1;
1045 	default:
1046 		return 0;
1047 	}
1048 }
1049 
1050 /* Set DAI word length */
1051 static int da9055_hw_params(struct snd_pcm_substream *substream,
1052 			    struct snd_pcm_hw_params *params,
1053 			    struct snd_soc_dai *dai)
1054 {
1055 	struct snd_soc_codec *codec = dai->codec;
1056 	struct da9055_priv *da9055 = snd_soc_codec_get_drvdata(codec);
1057 	u8 aif_ctrl, fs;
1058 	u32 sysclk;
1059 
1060 	switch (params_width(params)) {
1061 	case 16:
1062 		aif_ctrl = DA9055_AIF_WORD_S16_LE;
1063 		break;
1064 	case 20:
1065 		aif_ctrl = DA9055_AIF_WORD_S20_3LE;
1066 		break;
1067 	case 24:
1068 		aif_ctrl = DA9055_AIF_WORD_S24_LE;
1069 		break;
1070 	case 32:
1071 		aif_ctrl = DA9055_AIF_WORD_S32_LE;
1072 		break;
1073 	default:
1074 		return -EINVAL;
1075 	}
1076 
1077 	/* Set AIF format */
1078 	snd_soc_update_bits(codec, DA9055_AIF_CTRL, DA9055_AIF_WORD_LENGTH_MASK,
1079 			    aif_ctrl);
1080 
1081 	switch (params_rate(params)) {
1082 	case 8000:
1083 		fs		= DA9055_SR_8000;
1084 		sysclk		= 3072000;
1085 		break;
1086 	case 11025:
1087 		fs		= DA9055_SR_11025;
1088 		sysclk		= 2822400;
1089 		break;
1090 	case 12000:
1091 		fs		= DA9055_SR_12000;
1092 		sysclk		= 3072000;
1093 		break;
1094 	case 16000:
1095 		fs		= DA9055_SR_16000;
1096 		sysclk		= 3072000;
1097 		break;
1098 	case 22050:
1099 		fs		= DA9055_SR_22050;
1100 		sysclk		= 2822400;
1101 		break;
1102 	case 32000:
1103 		fs		= DA9055_SR_32000;
1104 		sysclk		= 3072000;
1105 		break;
1106 	case 44100:
1107 		fs		= DA9055_SR_44100;
1108 		sysclk		= 2822400;
1109 		break;
1110 	case 48000:
1111 		fs		= DA9055_SR_48000;
1112 		sysclk		= 3072000;
1113 		break;
1114 	case 88200:
1115 		fs		= DA9055_SR_88200;
1116 		sysclk		= 2822400;
1117 		break;
1118 	case 96000:
1119 		fs		= DA9055_SR_96000;
1120 		sysclk		= 3072000;
1121 		break;
1122 	default:
1123 		return -EINVAL;
1124 	}
1125 
1126 	if (da9055->mclk_rate) {
1127 		/* PLL Mode, Write actual FS */
1128 		snd_soc_write(codec, DA9055_SR, fs);
1129 	} else {
1130 		/*
1131 		 * Non-PLL Mode
1132 		 * When PLL is bypassed, chip assumes constant MCLK of
1133 		 * 12.288MHz and uses sample rate value to divide this MCLK
1134 		 * to derive its sys clk. As sys clk has to be 256 * Fs, we
1135 		 * need to write constant sample rate i.e. 48KHz.
1136 		 */
1137 		snd_soc_write(codec, DA9055_SR, DA9055_SR_48000);
1138 	}
1139 
1140 	if (da9055->mclk_rate && (da9055->mclk_rate != sysclk)) {
1141 		/* PLL Mode */
1142 		if (!da9055->master) {
1143 			/* PLL slave mode, enable PLL and also SRM */
1144 			snd_soc_update_bits(codec, DA9055_PLL_CTRL,
1145 					    DA9055_PLL_EN | DA9055_PLL_SRM_EN,
1146 					    DA9055_PLL_EN | DA9055_PLL_SRM_EN);
1147 		} else {
1148 			/* PLL master mode, only enable PLL */
1149 			snd_soc_update_bits(codec, DA9055_PLL_CTRL,
1150 					    DA9055_PLL_EN, DA9055_PLL_EN);
1151 		}
1152 	} else {
1153 		/* Non PLL Mode, disable PLL */
1154 		snd_soc_update_bits(codec, DA9055_PLL_CTRL, DA9055_PLL_EN, 0);
1155 	}
1156 
1157 	return 0;
1158 }
1159 
1160 /* Set DAI mode and Format */
1161 static int da9055_set_dai_fmt(struct snd_soc_dai *codec_dai, unsigned int fmt)
1162 {
1163 	struct snd_soc_codec *codec = codec_dai->codec;
1164 	struct da9055_priv *da9055 = snd_soc_codec_get_drvdata(codec);
1165 	u8 aif_clk_mode, aif_ctrl, mode;
1166 
1167 	switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
1168 	case SND_SOC_DAIFMT_CBM_CFM:
1169 		/* DA9055 in I2S Master Mode */
1170 		mode = 1;
1171 		aif_clk_mode = DA9055_AIF_CLK_EN_MASTER_MODE;
1172 		break;
1173 	case SND_SOC_DAIFMT_CBS_CFS:
1174 		/* DA9055 in I2S Slave Mode */
1175 		mode = 0;
1176 		aif_clk_mode = DA9055_AIF_CLK_EN_SLAVE_MODE;
1177 		break;
1178 	default:
1179 		return -EINVAL;
1180 	}
1181 
1182 	/* Don't allow change of mode if PLL is enabled */
1183 	if ((snd_soc_read(codec, DA9055_PLL_CTRL) & DA9055_PLL_EN) &&
1184 	    (da9055->master != mode))
1185 		return -EINVAL;
1186 
1187 	da9055->master = mode;
1188 
1189 	/* Only I2S is supported */
1190 	switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
1191 	case SND_SOC_DAIFMT_I2S:
1192 		aif_ctrl = DA9055_AIF_FORMAT_I2S_MODE;
1193 		break;
1194 	case SND_SOC_DAIFMT_LEFT_J:
1195 		aif_ctrl = DA9055_AIF_FORMAT_LEFT_J;
1196 		break;
1197 	case SND_SOC_DAIFMT_RIGHT_J:
1198 		aif_ctrl = DA9055_AIF_FORMAT_RIGHT_J;
1199 		break;
1200 	case SND_SOC_DAIFMT_DSP_A:
1201 		aif_ctrl = DA9055_AIF_FORMAT_DSP;
1202 		break;
1203 	default:
1204 		return -EINVAL;
1205 	}
1206 
1207 	/* By default only 32 BCLK per WCLK is supported */
1208 	aif_clk_mode |= DA9055_AIF_BCLKS_PER_WCLK_32;
1209 
1210 	snd_soc_update_bits(codec, DA9055_AIF_CLK_MODE,
1211 			    (DA9055_AIF_CLK_MODE_MASK | DA9055_AIF_BCLK_MASK),
1212 			    aif_clk_mode);
1213 	snd_soc_update_bits(codec, DA9055_AIF_CTRL, DA9055_AIF_FORMAT_MASK,
1214 			    aif_ctrl);
1215 	return 0;
1216 }
1217 
1218 static int da9055_mute(struct snd_soc_dai *dai, int mute)
1219 {
1220 	struct snd_soc_codec *codec = dai->codec;
1221 
1222 	if (mute) {
1223 		snd_soc_update_bits(codec, DA9055_DAC_L_CTRL,
1224 				    DA9055_DAC_L_MUTE_EN, DA9055_DAC_L_MUTE_EN);
1225 		snd_soc_update_bits(codec, DA9055_DAC_R_CTRL,
1226 				    DA9055_DAC_R_MUTE_EN, DA9055_DAC_R_MUTE_EN);
1227 	} else {
1228 		snd_soc_update_bits(codec, DA9055_DAC_L_CTRL,
1229 				    DA9055_DAC_L_MUTE_EN, 0);
1230 		snd_soc_update_bits(codec, DA9055_DAC_R_CTRL,
1231 				    DA9055_DAC_R_MUTE_EN, 0);
1232 	}
1233 
1234 	return 0;
1235 }
1236 
1237 #define DA9055_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S20_3LE |\
1238 			SNDRV_PCM_FMTBIT_S24_LE | SNDRV_PCM_FMTBIT_S32_LE)
1239 
1240 static int da9055_set_dai_sysclk(struct snd_soc_dai *codec_dai,
1241 				 int clk_id, unsigned int freq, int dir)
1242 {
1243 	struct snd_soc_codec *codec = codec_dai->codec;
1244 	struct da9055_priv *da9055 = snd_soc_codec_get_drvdata(codec);
1245 
1246 	switch (clk_id) {
1247 	case DA9055_CLKSRC_MCLK:
1248 		switch (freq) {
1249 		case 11289600:
1250 		case 12000000:
1251 		case 12288000:
1252 		case 13000000:
1253 		case 13500000:
1254 		case 14400000:
1255 		case 19200000:
1256 		case 19680000:
1257 		case 19800000:
1258 			da9055->mclk_rate = freq;
1259 			return 0;
1260 		default:
1261 			dev_err(codec_dai->dev, "Unsupported MCLK value %d\n",
1262 				freq);
1263 			return -EINVAL;
1264 		}
1265 		break;
1266 	default:
1267 		dev_err(codec_dai->dev, "Unknown clock source %d\n", clk_id);
1268 		return -EINVAL;
1269 	}
1270 }
1271 
1272 /*
1273  * da9055_set_dai_pll	: Configure the codec PLL
1274  * @param codec_dai	: Pointer to codec DAI
1275  * @param pll_id	: da9055 has only one pll, so pll_id is always zero
1276  * @param fref		: Input MCLK frequency
1277  * @param fout		: FsDM value
1278  * @return int		: Zero for success, negative error code for error
1279  *
1280  * Note: Supported PLL input frequencies are 11.2896MHz, 12MHz, 12.288MHz,
1281  *	 13MHz, 13.5MHz, 14.4MHz, 19.2MHz, 19.6MHz and 19.8MHz
1282  */
1283 static int da9055_set_dai_pll(struct snd_soc_dai *codec_dai, int pll_id,
1284 			      int source, unsigned int fref, unsigned int fout)
1285 {
1286 	struct snd_soc_codec *codec = codec_dai->codec;
1287 	struct da9055_priv *da9055 = snd_soc_codec_get_drvdata(codec);
1288 
1289 	u8 pll_frac_top, pll_frac_bot, pll_integer, cnt;
1290 
1291 	/* Disable PLL before setting the divisors */
1292 	snd_soc_update_bits(codec, DA9055_PLL_CTRL, DA9055_PLL_EN, 0);
1293 
1294 	/* In slave mode, there is only one set of divisors */
1295 	if (!da9055->master && (fout != 2822400))
1296 		goto pll_err;
1297 
1298 	/* Search pll div array for correct divisors */
1299 	for (cnt = 0; cnt < ARRAY_SIZE(da9055_pll_div); cnt++) {
1300 		/* Check fref, mode  and fout */
1301 		if ((fref == da9055_pll_div[cnt].fref) &&
1302 		    (da9055->master ==  da9055_pll_div[cnt].mode) &&
1303 		    (fout == da9055_pll_div[cnt].fout)) {
1304 			/* All match, pick up divisors */
1305 			pll_frac_top = da9055_pll_div[cnt].frac_top;
1306 			pll_frac_bot = da9055_pll_div[cnt].frac_bot;
1307 			pll_integer = da9055_pll_div[cnt].integer;
1308 			break;
1309 		}
1310 	}
1311 	if (cnt >= ARRAY_SIZE(da9055_pll_div))
1312 		goto pll_err;
1313 
1314 	/* Write PLL dividers */
1315 	snd_soc_write(codec, DA9055_PLL_FRAC_TOP, pll_frac_top);
1316 	snd_soc_write(codec, DA9055_PLL_FRAC_BOT, pll_frac_bot);
1317 	snd_soc_write(codec, DA9055_PLL_INTEGER, pll_integer);
1318 
1319 	return 0;
1320 pll_err:
1321 	dev_err(codec_dai->dev, "Error in setting up PLL\n");
1322 	return -EINVAL;
1323 }
1324 
1325 /* DAI operations */
1326 static const struct snd_soc_dai_ops da9055_dai_ops = {
1327 	.hw_params	= da9055_hw_params,
1328 	.set_fmt	= da9055_set_dai_fmt,
1329 	.set_sysclk	= da9055_set_dai_sysclk,
1330 	.set_pll	= da9055_set_dai_pll,
1331 	.digital_mute	= da9055_mute,
1332 };
1333 
1334 static struct snd_soc_dai_driver da9055_dai = {
1335 	.name = "da9055-hifi",
1336 	/* Playback Capabilities */
1337 	.playback = {
1338 		.stream_name = "Playback",
1339 		.channels_min = 1,
1340 		.channels_max = 2,
1341 		.rates = SNDRV_PCM_RATE_8000_96000,
1342 		.formats = DA9055_FORMATS,
1343 	},
1344 	/* Capture Capabilities */
1345 	.capture = {
1346 		.stream_name = "Capture",
1347 		.channels_min = 1,
1348 		.channels_max = 2,
1349 		.rates = SNDRV_PCM_RATE_8000_96000,
1350 		.formats = DA9055_FORMATS,
1351 	},
1352 	.ops = &da9055_dai_ops,
1353 	.symmetric_rates = 1,
1354 };
1355 
1356 static int da9055_set_bias_level(struct snd_soc_codec *codec,
1357 				 enum snd_soc_bias_level level)
1358 {
1359 	switch (level) {
1360 	case SND_SOC_BIAS_ON:
1361 	case SND_SOC_BIAS_PREPARE:
1362 		break;
1363 	case SND_SOC_BIAS_STANDBY:
1364 		if (snd_soc_codec_get_bias_level(codec) == SND_SOC_BIAS_OFF) {
1365 			/* Enable VMID reference & master bias */
1366 			snd_soc_update_bits(codec, DA9055_REFERENCES,
1367 					    DA9055_VMID_EN | DA9055_BIAS_EN,
1368 					    DA9055_VMID_EN | DA9055_BIAS_EN);
1369 		}
1370 		break;
1371 	case SND_SOC_BIAS_OFF:
1372 		/* Disable VMID reference & master bias */
1373 		snd_soc_update_bits(codec, DA9055_REFERENCES,
1374 				    DA9055_VMID_EN | DA9055_BIAS_EN, 0);
1375 		break;
1376 	}
1377 	return 0;
1378 }
1379 
1380 static int da9055_probe(struct snd_soc_codec *codec)
1381 {
1382 	struct da9055_priv *da9055 = snd_soc_codec_get_drvdata(codec);
1383 
1384 	/* Enable all Gain Ramps */
1385 	snd_soc_update_bits(codec, DA9055_AUX_L_CTRL,
1386 			    DA9055_GAIN_RAMPING_EN, DA9055_GAIN_RAMPING_EN);
1387 	snd_soc_update_bits(codec, DA9055_AUX_R_CTRL,
1388 			    DA9055_GAIN_RAMPING_EN, DA9055_GAIN_RAMPING_EN);
1389 	snd_soc_update_bits(codec, DA9055_MIXIN_L_CTRL,
1390 			    DA9055_GAIN_RAMPING_EN, DA9055_GAIN_RAMPING_EN);
1391 	snd_soc_update_bits(codec, DA9055_MIXIN_R_CTRL,
1392 			    DA9055_GAIN_RAMPING_EN, DA9055_GAIN_RAMPING_EN);
1393 	snd_soc_update_bits(codec, DA9055_ADC_L_CTRL,
1394 			    DA9055_GAIN_RAMPING_EN, DA9055_GAIN_RAMPING_EN);
1395 	snd_soc_update_bits(codec, DA9055_ADC_R_CTRL,
1396 			    DA9055_GAIN_RAMPING_EN, DA9055_GAIN_RAMPING_EN);
1397 	snd_soc_update_bits(codec, DA9055_DAC_L_CTRL,
1398 			    DA9055_GAIN_RAMPING_EN, DA9055_GAIN_RAMPING_EN);
1399 	snd_soc_update_bits(codec, DA9055_DAC_R_CTRL,
1400 			    DA9055_GAIN_RAMPING_EN, DA9055_GAIN_RAMPING_EN);
1401 	snd_soc_update_bits(codec, DA9055_HP_L_CTRL,
1402 			    DA9055_GAIN_RAMPING_EN, DA9055_GAIN_RAMPING_EN);
1403 	snd_soc_update_bits(codec, DA9055_HP_R_CTRL,
1404 			    DA9055_GAIN_RAMPING_EN, DA9055_GAIN_RAMPING_EN);
1405 	snd_soc_update_bits(codec, DA9055_LINE_CTRL,
1406 			    DA9055_GAIN_RAMPING_EN, DA9055_GAIN_RAMPING_EN);
1407 
1408 	/*
1409 	 * There are two separate control bits for input and output mixers.
1410 	 * One to enable corresponding amplifier and other to enable its
1411 	 * output. As amplifier bits are related to power control, they are
1412 	 * being managed by DAPM while other (non power related) bits are
1413 	 * enabled here
1414 	 */
1415 	snd_soc_update_bits(codec, DA9055_MIXIN_L_CTRL,
1416 			    DA9055_MIXIN_L_MIX_EN, DA9055_MIXIN_L_MIX_EN);
1417 	snd_soc_update_bits(codec, DA9055_MIXIN_R_CTRL,
1418 			    DA9055_MIXIN_R_MIX_EN, DA9055_MIXIN_R_MIX_EN);
1419 
1420 	snd_soc_update_bits(codec, DA9055_MIXOUT_L_CTRL,
1421 			    DA9055_MIXOUT_L_MIX_EN, DA9055_MIXOUT_L_MIX_EN);
1422 	snd_soc_update_bits(codec, DA9055_MIXOUT_R_CTRL,
1423 			    DA9055_MIXOUT_R_MIX_EN, DA9055_MIXOUT_R_MIX_EN);
1424 
1425 	/* Set this as per your system configuration */
1426 	snd_soc_write(codec, DA9055_PLL_CTRL, DA9055_PLL_INDIV_10_20_MHZ);
1427 
1428 	/* Set platform data values */
1429 	if (da9055->pdata) {
1430 		/* set mic bias source */
1431 		if (da9055->pdata->micbias_source) {
1432 			snd_soc_update_bits(codec, DA9055_MIXIN_R_SELECT,
1433 					    DA9055_MICBIAS2_EN,
1434 					    DA9055_MICBIAS2_EN);
1435 		} else {
1436 			snd_soc_update_bits(codec, DA9055_MIXIN_R_SELECT,
1437 					    DA9055_MICBIAS2_EN, 0);
1438 		}
1439 		/* set mic bias voltage */
1440 		switch (da9055->pdata->micbias) {
1441 		case DA9055_MICBIAS_2_2V:
1442 		case DA9055_MICBIAS_2_1V:
1443 		case DA9055_MICBIAS_1_8V:
1444 		case DA9055_MICBIAS_1_6V:
1445 			snd_soc_update_bits(codec, DA9055_MIC_CONFIG,
1446 					    DA9055_MICBIAS_LEVEL_MASK,
1447 					    (da9055->pdata->micbias) << 4);
1448 			break;
1449 		}
1450 	}
1451 	return 0;
1452 }
1453 
1454 static const struct snd_soc_codec_driver soc_codec_dev_da9055 = {
1455 	.probe			= da9055_probe,
1456 	.set_bias_level		= da9055_set_bias_level,
1457 
1458 	.component_driver = {
1459 		.controls		= da9055_snd_controls,
1460 		.num_controls		= ARRAY_SIZE(da9055_snd_controls),
1461 		.dapm_widgets		= da9055_dapm_widgets,
1462 		.num_dapm_widgets	= ARRAY_SIZE(da9055_dapm_widgets),
1463 		.dapm_routes		= da9055_audio_map,
1464 		.num_dapm_routes	= ARRAY_SIZE(da9055_audio_map),
1465 	},
1466 };
1467 
1468 static const struct regmap_config da9055_regmap_config = {
1469 	.reg_bits = 8,
1470 	.val_bits = 8,
1471 
1472 	.reg_defaults = da9055_reg_defaults,
1473 	.num_reg_defaults = ARRAY_SIZE(da9055_reg_defaults),
1474 	.volatile_reg = da9055_volatile_register,
1475 	.cache_type = REGCACHE_RBTREE,
1476 };
1477 
1478 static int da9055_i2c_probe(struct i2c_client *i2c,
1479 			    const struct i2c_device_id *id)
1480 {
1481 	struct da9055_priv *da9055;
1482 	struct da9055_platform_data *pdata = dev_get_platdata(&i2c->dev);
1483 	int ret;
1484 
1485 	da9055 = devm_kzalloc(&i2c->dev, sizeof(struct da9055_priv),
1486 			      GFP_KERNEL);
1487 	if (!da9055)
1488 		return -ENOMEM;
1489 
1490 	if (pdata)
1491 		da9055->pdata = pdata;
1492 
1493 	i2c_set_clientdata(i2c, da9055);
1494 
1495 	da9055->regmap = devm_regmap_init_i2c(i2c, &da9055_regmap_config);
1496 	if (IS_ERR(da9055->regmap)) {
1497 		ret = PTR_ERR(da9055->regmap);
1498 		dev_err(&i2c->dev, "regmap_init() failed: %d\n", ret);
1499 		return ret;
1500 	}
1501 
1502 	ret = snd_soc_register_codec(&i2c->dev,
1503 			&soc_codec_dev_da9055, &da9055_dai, 1);
1504 	if (ret < 0) {
1505 		dev_err(&i2c->dev, "Failed to register da9055 codec: %d\n",
1506 			ret);
1507 	}
1508 	return ret;
1509 }
1510 
1511 static int da9055_remove(struct i2c_client *client)
1512 {
1513 	snd_soc_unregister_codec(&client->dev);
1514 	return 0;
1515 }
1516 
1517 /*
1518  * DO NOT change the device Ids. The naming is intentionally specific as both
1519  * the CODEC and PMIC parts of this chip are instantiated separately as I2C
1520  * devices (both have configurable I2C addresses, and are to all intents and
1521  * purposes separate). As a result there are specific DA9055 Ids for CODEC
1522  * and PMIC, which must be different to operate together.
1523  */
1524 static const struct i2c_device_id da9055_i2c_id[] = {
1525 	{ "da9055-codec", 0 },
1526 	{ }
1527 };
1528 MODULE_DEVICE_TABLE(i2c, da9055_i2c_id);
1529 
1530 static const struct of_device_id da9055_of_match[] = {
1531 	{ .compatible = "dlg,da9055-codec", },
1532 	{ }
1533 };
1534 MODULE_DEVICE_TABLE(of, da9055_of_match);
1535 
1536 /* I2C codec control layer */
1537 static struct i2c_driver da9055_i2c_driver = {
1538 	.driver = {
1539 		.name = "da9055-codec",
1540 		.of_match_table = of_match_ptr(da9055_of_match),
1541 	},
1542 	.probe		= da9055_i2c_probe,
1543 	.remove		= da9055_remove,
1544 	.id_table	= da9055_i2c_id,
1545 };
1546 
1547 module_i2c_driver(da9055_i2c_driver);
1548 
1549 MODULE_DESCRIPTION("ASoC DA9055 Codec driver");
1550 MODULE_AUTHOR("David Chen, Ashish Chavan");
1551 MODULE_LICENSE("GPL");
1552