xref: /openbmc/linux/sound/soc/codecs/da9055.c (revision 12eb4683)
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 <sound/pcm.h>
22 #include <sound/pcm_params.h>
23 #include <sound/soc.h>
24 #include <sound/initval.h>
25 #include <sound/tlv.h>
26 #include <sound/da9055.h>
27 
28 /* DA9055 register space */
29 
30 /* Status Registers */
31 #define DA9055_STATUS1			0x02
32 #define DA9055_PLL_STATUS		0x03
33 #define DA9055_AUX_L_GAIN_STATUS	0x04
34 #define DA9055_AUX_R_GAIN_STATUS	0x05
35 #define DA9055_MIC_L_GAIN_STATUS	0x06
36 #define DA9055_MIC_R_GAIN_STATUS	0x07
37 #define DA9055_MIXIN_L_GAIN_STATUS	0x08
38 #define DA9055_MIXIN_R_GAIN_STATUS	0x09
39 #define DA9055_ADC_L_GAIN_STATUS	0x0A
40 #define DA9055_ADC_R_GAIN_STATUS	0x0B
41 #define DA9055_DAC_L_GAIN_STATUS	0x0C
42 #define DA9055_DAC_R_GAIN_STATUS	0x0D
43 #define DA9055_HP_L_GAIN_STATUS		0x0E
44 #define DA9055_HP_R_GAIN_STATUS		0x0F
45 #define DA9055_LINE_GAIN_STATUS		0x10
46 
47 /* System Initialisation Registers */
48 #define DA9055_CIF_CTRL			0x20
49 #define DA9055_DIG_ROUTING_AIF		0X21
50 #define DA9055_SR			0x22
51 #define DA9055_REFERENCES		0x23
52 #define DA9055_PLL_FRAC_TOP		0x24
53 #define DA9055_PLL_FRAC_BOT		0x25
54 #define DA9055_PLL_INTEGER		0x26
55 #define DA9055_PLL_CTRL			0x27
56 #define DA9055_AIF_CLK_MODE		0x28
57 #define DA9055_AIF_CTRL			0x29
58 #define DA9055_DIG_ROUTING_DAC		0x2A
59 #define DA9055_ALC_CTRL1		0x2B
60 
61 /* Input - Gain, Select and Filter Registers */
62 #define DA9055_AUX_L_GAIN		0x30
63 #define DA9055_AUX_R_GAIN		0x31
64 #define DA9055_MIXIN_L_SELECT		0x32
65 #define DA9055_MIXIN_R_SELECT		0x33
66 #define DA9055_MIXIN_L_GAIN		0x34
67 #define DA9055_MIXIN_R_GAIN		0x35
68 #define DA9055_ADC_L_GAIN		0x36
69 #define DA9055_ADC_R_GAIN		0x37
70 #define DA9055_ADC_FILTERS1		0x38
71 #define DA9055_MIC_L_GAIN		0x39
72 #define DA9055_MIC_R_GAIN		0x3A
73 
74 /* Output - Gain, Select and Filter Registers */
75 #define DA9055_DAC_FILTERS5		0x40
76 #define DA9055_DAC_FILTERS2		0x41
77 #define DA9055_DAC_FILTERS3		0x42
78 #define DA9055_DAC_FILTERS4		0x43
79 #define DA9055_DAC_FILTERS1		0x44
80 #define DA9055_DAC_L_GAIN		0x45
81 #define DA9055_DAC_R_GAIN		0x46
82 #define DA9055_CP_CTRL			0x47
83 #define DA9055_HP_L_GAIN		0x48
84 #define DA9055_HP_R_GAIN		0x49
85 #define DA9055_LINE_GAIN		0x4A
86 #define DA9055_MIXOUT_L_SELECT		0x4B
87 #define DA9055_MIXOUT_R_SELECT		0x4C
88 
89 /* System Controller Registers */
90 #define DA9055_SYSTEM_MODES_INPUT	0x50
91 #define DA9055_SYSTEM_MODES_OUTPUT	0x51
92 
93 /* Control Registers */
94 #define DA9055_AUX_L_CTRL		0x60
95 #define DA9055_AUX_R_CTRL		0x61
96 #define DA9055_MIC_BIAS_CTRL		0x62
97 #define DA9055_MIC_L_CTRL		0x63
98 #define DA9055_MIC_R_CTRL		0x64
99 #define DA9055_MIXIN_L_CTRL		0x65
100 #define DA9055_MIXIN_R_CTRL		0x66
101 #define DA9055_ADC_L_CTRL		0x67
102 #define DA9055_ADC_R_CTRL		0x68
103 #define DA9055_DAC_L_CTRL		0x69
104 #define DA9055_DAC_R_CTRL		0x6A
105 #define DA9055_HP_L_CTRL		0x6B
106 #define DA9055_HP_R_CTRL		0x6C
107 #define DA9055_LINE_CTRL		0x6D
108 #define DA9055_MIXOUT_L_CTRL		0x6E
109 #define DA9055_MIXOUT_R_CTRL		0x6F
110 
111 /* Configuration Registers */
112 #define DA9055_LDO_CTRL			0x90
113 #define DA9055_IO_CTRL			0x91
114 #define DA9055_GAIN_RAMP_CTRL		0x92
115 #define DA9055_MIC_CONFIG		0x93
116 #define DA9055_PC_COUNT			0x94
117 #define DA9055_CP_VOL_THRESHOLD1	0x95
118 #define DA9055_CP_DELAY			0x96
119 #define DA9055_CP_DETECTOR		0x97
120 #define DA9055_AIF_OFFSET		0x98
121 #define DA9055_DIG_CTRL			0x99
122 #define DA9055_ALC_CTRL2		0x9A
123 #define DA9055_ALC_CTRL3		0x9B
124 #define DA9055_ALC_NOISE		0x9C
125 #define DA9055_ALC_TARGET_MIN		0x9D
126 #define DA9055_ALC_TARGET_MAX		0x9E
127 #define DA9055_ALC_GAIN_LIMITS		0x9F
128 #define DA9055_ALC_ANA_GAIN_LIMITS	0xA0
129 #define DA9055_ALC_ANTICLIP_CTRL	0xA1
130 #define DA9055_ALC_ANTICLIP_LEVEL	0xA2
131 #define DA9055_ALC_OFFSET_OP2M_L	0xA6
132 #define DA9055_ALC_OFFSET_OP2U_L	0xA7
133 #define DA9055_ALC_OFFSET_OP2M_R	0xAB
134 #define DA9055_ALC_OFFSET_OP2U_R	0xAC
135 #define DA9055_ALC_CIC_OP_LVL_CTRL	0xAD
136 #define DA9055_ALC_CIC_OP_LVL_DATA	0xAE
137 #define DA9055_DAC_NG_SETUP_TIME	0xAF
138 #define DA9055_DAC_NG_OFF_THRESHOLD	0xB0
139 #define DA9055_DAC_NG_ON_THRESHOLD	0xB1
140 #define DA9055_DAC_NG_CTRL		0xB2
141 
142 /* SR bit fields */
143 #define DA9055_SR_8000			(0x1 << 0)
144 #define DA9055_SR_11025			(0x2 << 0)
145 #define DA9055_SR_12000			(0x3 << 0)
146 #define DA9055_SR_16000			(0x5 << 0)
147 #define DA9055_SR_22050			(0x6 << 0)
148 #define DA9055_SR_24000			(0x7 << 0)
149 #define DA9055_SR_32000			(0x9 << 0)
150 #define DA9055_SR_44100			(0xA << 0)
151 #define DA9055_SR_48000			(0xB << 0)
152 #define DA9055_SR_88200			(0xE << 0)
153 #define DA9055_SR_96000			(0xF << 0)
154 
155 /* REFERENCES bit fields */
156 #define DA9055_BIAS_EN			(1 << 3)
157 #define DA9055_VMID_EN			(1 << 7)
158 
159 /* PLL_CTRL bit fields */
160 #define DA9055_PLL_INDIV_10_20_MHZ	(1 << 2)
161 #define DA9055_PLL_SRM_EN		(1 << 6)
162 #define DA9055_PLL_EN			(1 << 7)
163 
164 /* AIF_CLK_MODE bit fields */
165 #define DA9055_AIF_BCLKS_PER_WCLK_32	(0 << 0)
166 #define DA9055_AIF_BCLKS_PER_WCLK_64	(1 << 0)
167 #define DA9055_AIF_BCLKS_PER_WCLK_128	(2 << 0)
168 #define DA9055_AIF_BCLKS_PER_WCLK_256	(3 << 0)
169 #define DA9055_AIF_CLK_EN_SLAVE_MODE	(0 << 7)
170 #define DA9055_AIF_CLK_EN_MASTER_MODE	(1 << 7)
171 
172 /* AIF_CTRL bit fields */
173 #define DA9055_AIF_FORMAT_I2S_MODE	(0 << 0)
174 #define DA9055_AIF_FORMAT_LEFT_J	(1 << 0)
175 #define DA9055_AIF_FORMAT_RIGHT_J	(2 << 0)
176 #define DA9055_AIF_FORMAT_DSP		(3 << 0)
177 #define DA9055_AIF_WORD_S16_LE		(0 << 2)
178 #define DA9055_AIF_WORD_S20_3LE		(1 << 2)
179 #define DA9055_AIF_WORD_S24_LE		(2 << 2)
180 #define DA9055_AIF_WORD_S32_LE		(3 << 2)
181 
182 /* MIC_L_CTRL bit fields */
183 #define DA9055_MIC_L_MUTE_EN		(1 << 6)
184 
185 /* MIC_R_CTRL bit fields */
186 #define DA9055_MIC_R_MUTE_EN		(1 << 6)
187 
188 /* MIXIN_L_CTRL bit fields */
189 #define DA9055_MIXIN_L_MIX_EN		(1 << 3)
190 
191 /* MIXIN_R_CTRL bit fields */
192 #define DA9055_MIXIN_R_MIX_EN		(1 << 3)
193 
194 /* ADC_L_CTRL bit fields */
195 #define DA9055_ADC_L_EN			(1 << 7)
196 
197 /* ADC_R_CTRL bit fields */
198 #define DA9055_ADC_R_EN			(1 << 7)
199 
200 /* DAC_L_CTRL bit fields */
201 #define DA9055_DAC_L_MUTE_EN		(1 << 6)
202 
203 /* DAC_R_CTRL bit fields */
204 #define DA9055_DAC_R_MUTE_EN		(1 << 6)
205 
206 /* HP_L_CTRL bit fields */
207 #define DA9055_HP_L_AMP_OE		(1 << 3)
208 
209 /* HP_R_CTRL bit fields */
210 #define DA9055_HP_R_AMP_OE		(1 << 3)
211 
212 /* LINE_CTRL bit fields */
213 #define DA9055_LINE_AMP_OE		(1 << 3)
214 
215 /* MIXOUT_L_CTRL bit fields */
216 #define DA9055_MIXOUT_L_MIX_EN		(1 << 3)
217 
218 /* MIXOUT_R_CTRL bit fields */
219 #define DA9055_MIXOUT_R_MIX_EN		(1 << 3)
220 
221 /* MIC bias select bit fields */
222 #define DA9055_MICBIAS2_EN		(1 << 6)
223 
224 /* ALC_CIC_OP_LEVEL_CTRL bit fields */
225 #define DA9055_ALC_DATA_MIDDLE		(2 << 0)
226 #define DA9055_ALC_DATA_TOP		(3 << 0)
227 #define DA9055_ALC_CIC_OP_CHANNEL_LEFT	(0 << 7)
228 #define DA9055_ALC_CIC_OP_CHANNEL_RIGHT	(1 << 7)
229 
230 #define DA9055_AIF_BCLK_MASK		(3 << 0)
231 #define DA9055_AIF_CLK_MODE_MASK	(1 << 7)
232 #define DA9055_AIF_FORMAT_MASK		(3 << 0)
233 #define DA9055_AIF_WORD_LENGTH_MASK	(3 << 2)
234 #define DA9055_GAIN_RAMPING_EN		(1 << 5)
235 #define DA9055_MICBIAS_LEVEL_MASK	(3 << 4)
236 
237 #define DA9055_ALC_OFFSET_15_8		0x00FF00
238 #define DA9055_ALC_OFFSET_17_16		0x030000
239 #define DA9055_ALC_AVG_ITERATIONS	5
240 
241 struct pll_div {
242 	int fref;
243 	int fout;
244 	u8 frac_top;
245 	u8 frac_bot;
246 	u8 integer;
247 	u8 mode;	/* 0 = slave, 1 = master */
248 };
249 
250 /* PLL divisor table */
251 static const struct pll_div da9055_pll_div[] = {
252 	/* for MASTER mode, fs = 44.1Khz and its harmonics */
253 	{11289600, 2822400, 0x00, 0x00, 0x20, 1},	/* MCLK=11.2896Mhz */
254 	{12000000, 2822400, 0x03, 0x61, 0x1E, 1},	/* MCLK=12Mhz */
255 	{12288000, 2822400, 0x0C, 0xCC, 0x1D, 1},	/* MCLK=12.288Mhz */
256 	{13000000, 2822400, 0x19, 0x45, 0x1B, 1},	/* MCLK=13Mhz */
257 	{13500000, 2822400, 0x18, 0x56, 0x1A, 1},	/* MCLK=13.5Mhz */
258 	{14400000, 2822400, 0x02, 0xD0, 0x19, 1},	/* MCLK=14.4Mhz */
259 	{19200000, 2822400, 0x1A, 0x1C, 0x12, 1},	/* MCLK=19.2Mhz */
260 	{19680000, 2822400, 0x0B, 0x6D, 0x12, 1},	/* MCLK=19.68Mhz */
261 	{19800000, 2822400, 0x07, 0xDD, 0x12, 1},	/* MCLK=19.8Mhz */
262 	/* for MASTER mode, fs = 48Khz and its harmonics */
263 	{11289600, 3072000, 0x1A, 0x8E, 0x22, 1},	/* MCLK=11.2896Mhz */
264 	{12000000, 3072000, 0x18, 0x93, 0x20, 1},	/* MCLK=12Mhz */
265 	{12288000, 3072000, 0x00, 0x00, 0x20, 1},	/* MCLK=12.288Mhz */
266 	{13000000, 3072000, 0x07, 0xEA, 0x1E, 1},	/* MCLK=13Mhz */
267 	{13500000, 3072000, 0x04, 0x11, 0x1D, 1},	/* MCLK=13.5Mhz */
268 	{14400000, 3072000, 0x09, 0xD0, 0x1B, 1},	/* MCLK=14.4Mhz */
269 	{19200000, 3072000, 0x0F, 0x5C, 0x14, 1},	/* MCLK=19.2Mhz */
270 	{19680000, 3072000, 0x1F, 0x60, 0x13, 1},	/* MCLK=19.68Mhz */
271 	{19800000, 3072000, 0x1B, 0x80, 0x13, 1},	/* MCLK=19.8Mhz */
272 	/* for SLAVE mode with SRM */
273 	{11289600, 2822400, 0x0D, 0x47, 0x21, 0},	/* MCLK=11.2896Mhz */
274 	{12000000, 2822400, 0x0D, 0xFA, 0x1F, 0},	/* MCLK=12Mhz */
275 	{12288000, 2822400, 0x16, 0x66, 0x1E, 0},	/* MCLK=12.288Mhz */
276 	{13000000, 2822400, 0x00, 0x98, 0x1D, 0},	/* MCLK=13Mhz */
277 	{13500000, 2822400, 0x1E, 0x33, 0x1B, 0},	/* MCLK=13.5Mhz */
278 	{14400000, 2822400, 0x06, 0x50, 0x1A, 0},	/* MCLK=14.4Mhz */
279 	{19200000, 2822400, 0x14, 0xBC, 0x13, 0},	/* MCLK=19.2Mhz */
280 	{19680000, 2822400, 0x05, 0x66, 0x13, 0},	/* MCLK=19.68Mhz */
281 	{19800000, 2822400, 0x01, 0xAE, 0x13, 0},	/* MCLK=19.8Mhz  */
282 };
283 
284 enum clk_src {
285 	DA9055_CLKSRC_MCLK
286 };
287 
288 /* Gain and Volume */
289 
290 static const unsigned int aux_vol_tlv[] = {
291 	TLV_DB_RANGE_HEAD(2),
292 	0x0, 0x10, TLV_DB_SCALE_ITEM(-5400, 0, 0),
293 	/* -54dB to 15dB */
294 	0x11, 0x3f, TLV_DB_SCALE_ITEM(-5400, 150, 0)
295 };
296 
297 static const unsigned int digital_gain_tlv[] = {
298 	TLV_DB_RANGE_HEAD(2),
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 unsigned int alc_analog_gain_tlv[] = {
305 	TLV_DB_RANGE_HEAD(2),
306 	0x0, 0x0, TLV_DB_SCALE_ITEM(TLV_DB_GAIN_MUTE, 0, 1),
307 	/* 0dB to 36dB */
308 	0x01, 0x07, TLV_DB_SCALE_ITEM(0, 600, 0)
309 };
310 
311 static const DECLARE_TLV_DB_SCALE(mic_vol_tlv, -600, 600, 0);
312 static const DECLARE_TLV_DB_SCALE(mixin_gain_tlv, -450, 150, 0);
313 static const DECLARE_TLV_DB_SCALE(eq_gain_tlv, -1050, 150, 0);
314 static const DECLARE_TLV_DB_SCALE(hp_vol_tlv, -5700, 100, 0);
315 static const DECLARE_TLV_DB_SCALE(lineout_vol_tlv, -4800, 100, 0);
316 static const DECLARE_TLV_DB_SCALE(alc_threshold_tlv, -9450, 150, 0);
317 static const DECLARE_TLV_DB_SCALE(alc_gain_tlv, 0, 600, 0);
318 
319 /* ADC and DAC high pass filter cutoff value */
320 static const char * const da9055_hpf_cutoff_txt[] = {
321 	"Fs/24000", "Fs/12000", "Fs/6000", "Fs/3000"
322 };
323 
324 static const struct soc_enum da9055_dac_hpf_cutoff =
325 	SOC_ENUM_SINGLE(DA9055_DAC_FILTERS1, 4, 4, da9055_hpf_cutoff_txt);
326 
327 static const struct soc_enum da9055_adc_hpf_cutoff =
328 	SOC_ENUM_SINGLE(DA9055_ADC_FILTERS1, 4, 4, da9055_hpf_cutoff_txt);
329 
330 /* ADC and DAC voice mode (8kHz) high pass cutoff value */
331 static const char * const da9055_vf_cutoff_txt[] = {
332 	"2.5Hz", "25Hz", "50Hz", "100Hz", "150Hz", "200Hz", "300Hz", "400Hz"
333 };
334 
335 static const struct soc_enum da9055_dac_vf_cutoff =
336 	SOC_ENUM_SINGLE(DA9055_DAC_FILTERS1, 0, 8, da9055_vf_cutoff_txt);
337 
338 static const struct soc_enum da9055_adc_vf_cutoff =
339 	SOC_ENUM_SINGLE(DA9055_ADC_FILTERS1, 0, 8, da9055_vf_cutoff_txt);
340 
341 /* Gain ramping rate value */
342 static const char * const da9055_gain_ramping_txt[] = {
343 	"nominal rate", "nominal rate * 4", "nominal rate * 8",
344 	"nominal rate / 8"
345 };
346 
347 static const struct soc_enum da9055_gain_ramping_rate =
348 	SOC_ENUM_SINGLE(DA9055_GAIN_RAMP_CTRL, 0, 4, da9055_gain_ramping_txt);
349 
350 /* DAC noise gate setup time value */
351 static const char * const da9055_dac_ng_setup_time_txt[] = {
352 	"256 samples", "512 samples", "1024 samples", "2048 samples"
353 };
354 
355 static const struct soc_enum da9055_dac_ng_setup_time =
356 	SOC_ENUM_SINGLE(DA9055_DAC_NG_SETUP_TIME, 0, 4,
357 			da9055_dac_ng_setup_time_txt);
358 
359 /* DAC noise gate rampup rate value */
360 static const char * const da9055_dac_ng_rampup_txt[] = {
361 	"0.02 ms/dB", "0.16 ms/dB"
362 };
363 
364 static const struct soc_enum da9055_dac_ng_rampup_rate =
365 	SOC_ENUM_SINGLE(DA9055_DAC_NG_SETUP_TIME, 2, 2,
366 			da9055_dac_ng_rampup_txt);
367 
368 /* DAC noise gate rampdown rate value */
369 static const char * const da9055_dac_ng_rampdown_txt[] = {
370 	"0.64 ms/dB", "20.48 ms/dB"
371 };
372 
373 static const struct soc_enum da9055_dac_ng_rampdown_rate =
374 	SOC_ENUM_SINGLE(DA9055_DAC_NG_SETUP_TIME, 3, 2,
375 			da9055_dac_ng_rampdown_txt);
376 
377 /* DAC soft mute rate value */
378 static const char * const da9055_dac_soft_mute_rate_txt[] = {
379 	"1", "2", "4", "8", "16", "32", "64"
380 };
381 
382 static const struct soc_enum da9055_dac_soft_mute_rate =
383 	SOC_ENUM_SINGLE(DA9055_DAC_FILTERS5, 4, 7,
384 			da9055_dac_soft_mute_rate_txt);
385 
386 /* DAC routing select */
387 static const char * const da9055_dac_src_txt[] = {
388 	"ADC output left", "ADC output right", "AIF input left",
389 	"AIF input right"
390 };
391 
392 static const struct soc_enum da9055_dac_l_src =
393 	SOC_ENUM_SINGLE(DA9055_DIG_ROUTING_DAC, 0, 4, da9055_dac_src_txt);
394 
395 static const struct soc_enum da9055_dac_r_src =
396 	SOC_ENUM_SINGLE(DA9055_DIG_ROUTING_DAC, 4, 4, da9055_dac_src_txt);
397 
398 /* MIC PGA Left source select */
399 static const char * const da9055_mic_l_src_txt[] = {
400 	"MIC1_P_N", "MIC1_P", "MIC1_N", "MIC2_L"
401 };
402 
403 static const struct soc_enum da9055_mic_l_src =
404 	SOC_ENUM_SINGLE(DA9055_MIXIN_L_SELECT, 4, 4, da9055_mic_l_src_txt);
405 
406 /* MIC PGA Right source select */
407 static const char * const da9055_mic_r_src_txt[] = {
408 	"MIC2_R_L", "MIC2_R", "MIC2_L"
409 };
410 
411 static const struct soc_enum da9055_mic_r_src =
412 	SOC_ENUM_SINGLE(DA9055_MIXIN_R_SELECT, 4, 3, da9055_mic_r_src_txt);
413 
414 /* ALC Input Signal Tracking rate select */
415 static const char * const da9055_signal_tracking_rate_txt[] = {
416 	"1/4", "1/16", "1/256", "1/65536"
417 };
418 
419 static const struct soc_enum da9055_integ_attack_rate =
420 	SOC_ENUM_SINGLE(DA9055_ALC_CTRL3, 4, 4,
421 			da9055_signal_tracking_rate_txt);
422 
423 static const struct soc_enum da9055_integ_release_rate =
424 	SOC_ENUM_SINGLE(DA9055_ALC_CTRL3, 6, 4,
425 			da9055_signal_tracking_rate_txt);
426 
427 /* ALC Attack Rate select */
428 static const char * const da9055_attack_rate_txt[] = {
429 	"44/fs", "88/fs", "176/fs", "352/fs", "704/fs", "1408/fs", "2816/fs",
430 	"5632/fs", "11264/fs", "22528/fs", "45056/fs", "90112/fs", "180224/fs"
431 };
432 
433 static const struct soc_enum da9055_attack_rate =
434 	SOC_ENUM_SINGLE(DA9055_ALC_CTRL2, 0, 13, da9055_attack_rate_txt);
435 
436 /* ALC Release Rate select */
437 static const char * const da9055_release_rate_txt[] = {
438 	"176/fs", "352/fs", "704/fs", "1408/fs", "2816/fs", "5632/fs",
439 	"11264/fs", "22528/fs", "45056/fs", "90112/fs", "180224/fs"
440 };
441 
442 static const struct soc_enum da9055_release_rate =
443 	SOC_ENUM_SINGLE(DA9055_ALC_CTRL2, 4, 11, da9055_release_rate_txt);
444 
445 /* ALC Hold Time select */
446 static const char * const da9055_hold_time_txt[] = {
447 	"62/fs", "124/fs", "248/fs", "496/fs", "992/fs", "1984/fs", "3968/fs",
448 	"7936/fs", "15872/fs", "31744/fs", "63488/fs", "126976/fs",
449 	"253952/fs", "507904/fs", "1015808/fs", "2031616/fs"
450 };
451 
452 static const struct soc_enum da9055_hold_time =
453 	SOC_ENUM_SINGLE(DA9055_ALC_CTRL3, 0, 16, da9055_hold_time_txt);
454 
455 static int da9055_get_alc_data(struct snd_soc_codec *codec, u8 reg_val)
456 {
457 	int mid_data, top_data;
458 	int sum = 0;
459 	u8 iteration;
460 
461 	for (iteration = 0; iteration < DA9055_ALC_AVG_ITERATIONS;
462 	     iteration++) {
463 		/* Select the left or right channel and capture data */
464 		snd_soc_write(codec, DA9055_ALC_CIC_OP_LVL_CTRL, reg_val);
465 
466 		/* Select middle 8 bits for read back from data register */
467 		snd_soc_write(codec, DA9055_ALC_CIC_OP_LVL_CTRL,
468 			      reg_val | DA9055_ALC_DATA_MIDDLE);
469 		mid_data = snd_soc_read(codec, DA9055_ALC_CIC_OP_LVL_DATA);
470 
471 		/* Select top 8 bits for read back from data register */
472 		snd_soc_write(codec, DA9055_ALC_CIC_OP_LVL_CTRL,
473 			      reg_val | DA9055_ALC_DATA_TOP);
474 		top_data = snd_soc_read(codec, DA9055_ALC_CIC_OP_LVL_DATA);
475 
476 		sum += ((mid_data << 8) | (top_data << 16));
477 	}
478 
479 	return sum / DA9055_ALC_AVG_ITERATIONS;
480 }
481 
482 static int da9055_put_alc_sw(struct snd_kcontrol *kcontrol,
483 			     struct snd_ctl_elem_value *ucontrol)
484 {
485 	struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
486 	u8 reg_val, adc_left, adc_right, mic_left, mic_right;
487 	int avg_left_data, avg_right_data, offset_l, offset_r;
488 
489 	if (ucontrol->value.integer.value[0]) {
490 		/*
491 		 * While enabling ALC (or ALC sync mode), calibration of the DC
492 		 * offsets must be done first
493 		 */
494 
495 		/* Save current values from Mic control registers */
496 		mic_left = snd_soc_read(codec, DA9055_MIC_L_CTRL);
497 		mic_right = snd_soc_read(codec, DA9055_MIC_R_CTRL);
498 
499 		/* Mute Mic PGA Left and Right */
500 		snd_soc_update_bits(codec, DA9055_MIC_L_CTRL,
501 				    DA9055_MIC_L_MUTE_EN, DA9055_MIC_L_MUTE_EN);
502 		snd_soc_update_bits(codec, DA9055_MIC_R_CTRL,
503 				    DA9055_MIC_R_MUTE_EN, DA9055_MIC_R_MUTE_EN);
504 
505 		/* Save current values from ADC control registers */
506 		adc_left = snd_soc_read(codec, DA9055_ADC_L_CTRL);
507 		adc_right = snd_soc_read(codec, DA9055_ADC_R_CTRL);
508 
509 		/* Enable ADC Left and Right */
510 		snd_soc_update_bits(codec, DA9055_ADC_L_CTRL,
511 				    DA9055_ADC_L_EN, DA9055_ADC_L_EN);
512 		snd_soc_update_bits(codec, DA9055_ADC_R_CTRL,
513 				    DA9055_ADC_R_EN, DA9055_ADC_R_EN);
514 
515 		/* Calculate average for Left and Right data */
516 		/* Left Data */
517 		avg_left_data = da9055_get_alc_data(codec,
518 				DA9055_ALC_CIC_OP_CHANNEL_LEFT);
519 		/* Right Data */
520 		avg_right_data = da9055_get_alc_data(codec,
521 				 DA9055_ALC_CIC_OP_CHANNEL_RIGHT);
522 
523 		/* Calculate DC offset */
524 		offset_l = -avg_left_data;
525 		offset_r = -avg_right_data;
526 
527 		reg_val = (offset_l & DA9055_ALC_OFFSET_15_8) >> 8;
528 		snd_soc_write(codec, DA9055_ALC_OFFSET_OP2M_L, reg_val);
529 		reg_val = (offset_l & DA9055_ALC_OFFSET_17_16) >> 16;
530 		snd_soc_write(codec, DA9055_ALC_OFFSET_OP2U_L, reg_val);
531 
532 		reg_val = (offset_r & DA9055_ALC_OFFSET_15_8) >> 8;
533 		snd_soc_write(codec, DA9055_ALC_OFFSET_OP2M_R, reg_val);
534 		reg_val = (offset_r & DA9055_ALC_OFFSET_17_16) >> 16;
535 		snd_soc_write(codec, DA9055_ALC_OFFSET_OP2U_R, reg_val);
536 
537 		/* Restore original values of ADC control registers */
538 		snd_soc_write(codec, DA9055_ADC_L_CTRL, adc_left);
539 		snd_soc_write(codec, DA9055_ADC_R_CTRL, adc_right);
540 
541 		/* Restore original values of Mic control registers */
542 		snd_soc_write(codec, DA9055_MIC_L_CTRL, mic_left);
543 		snd_soc_write(codec, DA9055_MIC_R_CTRL, mic_right);
544 	}
545 
546 	return snd_soc_put_volsw(kcontrol, ucontrol);
547 }
548 
549 static const struct snd_kcontrol_new da9055_snd_controls[] = {
550 
551 	/* Volume controls */
552 	SOC_DOUBLE_R_TLV("Mic Volume",
553 			 DA9055_MIC_L_GAIN, DA9055_MIC_R_GAIN,
554 			 0, 0x7, 0, mic_vol_tlv),
555 	SOC_DOUBLE_R_TLV("Aux Volume",
556 			 DA9055_AUX_L_GAIN, DA9055_AUX_R_GAIN,
557 			 0, 0x3f, 0, aux_vol_tlv),
558 	SOC_DOUBLE_R_TLV("Mixin PGA Volume",
559 			 DA9055_MIXIN_L_GAIN, DA9055_MIXIN_R_GAIN,
560 			 0, 0xf, 0, mixin_gain_tlv),
561 	SOC_DOUBLE_R_TLV("ADC Volume",
562 			 DA9055_ADC_L_GAIN, DA9055_ADC_R_GAIN,
563 			 0, 0x7f, 0, digital_gain_tlv),
564 
565 	SOC_DOUBLE_R_TLV("DAC Volume",
566 			 DA9055_DAC_L_GAIN, DA9055_DAC_R_GAIN,
567 			 0, 0x7f, 0, digital_gain_tlv),
568 	SOC_DOUBLE_R_TLV("Headphone Volume",
569 			 DA9055_HP_L_GAIN, DA9055_HP_R_GAIN,
570 			 0, 0x3f, 0, hp_vol_tlv),
571 	SOC_SINGLE_TLV("Lineout Volume", DA9055_LINE_GAIN, 0, 0x3f, 0,
572 		       lineout_vol_tlv),
573 
574 	/* DAC Equalizer controls */
575 	SOC_SINGLE("DAC EQ Switch", DA9055_DAC_FILTERS4, 7, 1, 0),
576 	SOC_SINGLE_TLV("DAC EQ1 Volume", DA9055_DAC_FILTERS2, 0, 0xf, 0,
577 		       eq_gain_tlv),
578 	SOC_SINGLE_TLV("DAC EQ2 Volume", DA9055_DAC_FILTERS2, 4, 0xf, 0,
579 		       eq_gain_tlv),
580 	SOC_SINGLE_TLV("DAC EQ3 Volume", DA9055_DAC_FILTERS3, 0, 0xf, 0,
581 		       eq_gain_tlv),
582 	SOC_SINGLE_TLV("DAC EQ4 Volume", DA9055_DAC_FILTERS3, 4, 0xf, 0,
583 		       eq_gain_tlv),
584 	SOC_SINGLE_TLV("DAC EQ5 Volume", DA9055_DAC_FILTERS4, 0, 0xf, 0,
585 		       eq_gain_tlv),
586 
587 	/* High Pass Filter and Voice Mode controls */
588 	SOC_SINGLE("ADC HPF Switch", DA9055_ADC_FILTERS1, 7, 1, 0),
589 	SOC_ENUM("ADC HPF Cutoff", da9055_adc_hpf_cutoff),
590 	SOC_SINGLE("ADC Voice Mode Switch", DA9055_ADC_FILTERS1, 3, 1, 0),
591 	SOC_ENUM("ADC Voice Cutoff", da9055_adc_vf_cutoff),
592 
593 	SOC_SINGLE("DAC HPF Switch", DA9055_DAC_FILTERS1, 7, 1, 0),
594 	SOC_ENUM("DAC HPF Cutoff", da9055_dac_hpf_cutoff),
595 	SOC_SINGLE("DAC Voice Mode Switch", DA9055_DAC_FILTERS1, 3, 1, 0),
596 	SOC_ENUM("DAC Voice Cutoff", da9055_dac_vf_cutoff),
597 
598 	/* Mute controls */
599 	SOC_DOUBLE_R("Mic Switch", DA9055_MIC_L_CTRL,
600 		     DA9055_MIC_R_CTRL, 6, 1, 0),
601 	SOC_DOUBLE_R("Aux Switch", DA9055_AUX_L_CTRL,
602 		     DA9055_AUX_R_CTRL, 6, 1, 0),
603 	SOC_DOUBLE_R("Mixin PGA Switch", DA9055_MIXIN_L_CTRL,
604 		     DA9055_MIXIN_R_CTRL, 6, 1, 0),
605 	SOC_DOUBLE_R("ADC Switch", DA9055_ADC_L_CTRL,
606 		     DA9055_ADC_R_CTRL, 6, 1, 0),
607 	SOC_DOUBLE_R("Headphone Switch", DA9055_HP_L_CTRL,
608 		     DA9055_HP_R_CTRL, 6, 1, 0),
609 	SOC_SINGLE("Lineout Switch", DA9055_LINE_CTRL, 6, 1, 0),
610 	SOC_SINGLE("DAC Soft Mute Switch", DA9055_DAC_FILTERS5, 7, 1, 0),
611 	SOC_ENUM("DAC Soft Mute Rate", da9055_dac_soft_mute_rate),
612 
613 	/* Zero Cross controls */
614 	SOC_DOUBLE_R("Aux ZC Switch", DA9055_AUX_L_CTRL,
615 		     DA9055_AUX_R_CTRL, 4, 1, 0),
616 	SOC_DOUBLE_R("Mixin PGA ZC Switch", DA9055_MIXIN_L_CTRL,
617 		     DA9055_MIXIN_R_CTRL, 4, 1, 0),
618 	SOC_DOUBLE_R("Headphone ZC Switch", DA9055_HP_L_CTRL,
619 		     DA9055_HP_R_CTRL, 4, 1, 0),
620 	SOC_SINGLE("Lineout ZC Switch", DA9055_LINE_CTRL, 4, 1, 0),
621 
622 	/* Gain Ramping controls */
623 	SOC_DOUBLE_R("Aux Gain Ramping Switch", DA9055_AUX_L_CTRL,
624 		     DA9055_AUX_R_CTRL, 5, 1, 0),
625 	SOC_DOUBLE_R("Mixin Gain Ramping Switch", DA9055_MIXIN_L_CTRL,
626 		     DA9055_MIXIN_R_CTRL, 5, 1, 0),
627 	SOC_DOUBLE_R("ADC Gain Ramping Switch", DA9055_ADC_L_CTRL,
628 		     DA9055_ADC_R_CTRL, 5, 1, 0),
629 	SOC_DOUBLE_R("DAC Gain Ramping Switch", DA9055_DAC_L_CTRL,
630 		     DA9055_DAC_R_CTRL, 5, 1, 0),
631 	SOC_DOUBLE_R("Headphone Gain Ramping Switch", DA9055_HP_L_CTRL,
632 		     DA9055_HP_R_CTRL, 5, 1, 0),
633 	SOC_SINGLE("Lineout Gain Ramping Switch", DA9055_LINE_CTRL, 5, 1, 0),
634 	SOC_ENUM("Gain Ramping Rate", da9055_gain_ramping_rate),
635 
636 	/* DAC Noise Gate controls */
637 	SOC_SINGLE("DAC NG Switch", DA9055_DAC_NG_CTRL, 7, 1, 0),
638 	SOC_SINGLE("DAC NG ON Threshold", DA9055_DAC_NG_ON_THRESHOLD,
639 		   0, 0x7, 0),
640 	SOC_SINGLE("DAC NG OFF Threshold", DA9055_DAC_NG_OFF_THRESHOLD,
641 		   0, 0x7, 0),
642 	SOC_ENUM("DAC NG Setup Time", da9055_dac_ng_setup_time),
643 	SOC_ENUM("DAC NG Rampup Rate", da9055_dac_ng_rampup_rate),
644 	SOC_ENUM("DAC NG Rampdown Rate", da9055_dac_ng_rampdown_rate),
645 
646 	/* DAC Invertion control */
647 	SOC_SINGLE("DAC Left Invert", DA9055_DIG_CTRL, 3, 1, 0),
648 	SOC_SINGLE("DAC Right Invert", DA9055_DIG_CTRL, 7, 1, 0),
649 
650 	/* DMIC controls */
651 	SOC_DOUBLE_R("DMIC Switch", DA9055_MIXIN_L_SELECT,
652 		     DA9055_MIXIN_R_SELECT, 7, 1, 0),
653 
654 	/* ALC Controls */
655 	SOC_DOUBLE_EXT("ALC Switch", DA9055_ALC_CTRL1, 3, 7, 1, 0,
656 		       snd_soc_get_volsw, da9055_put_alc_sw),
657 	SOC_SINGLE_EXT("ALC Sync Mode Switch", DA9055_ALC_CTRL1, 1, 1, 0,
658 		       snd_soc_get_volsw, da9055_put_alc_sw),
659 	SOC_SINGLE("ALC Offset Switch", DA9055_ALC_CTRL1, 0, 1, 0),
660 	SOC_SINGLE("ALC Anticlip Mode Switch", DA9055_ALC_ANTICLIP_CTRL,
661 		   7, 1, 0),
662 	SOC_SINGLE("ALC Anticlip Level", DA9055_ALC_ANTICLIP_LEVEL,
663 		   0, 0x7f, 0),
664 	SOC_SINGLE_TLV("ALC Min Threshold Volume", DA9055_ALC_TARGET_MIN,
665 		       0, 0x3f, 1, alc_threshold_tlv),
666 	SOC_SINGLE_TLV("ALC Max Threshold Volume", DA9055_ALC_TARGET_MAX,
667 		       0, 0x3f, 1, alc_threshold_tlv),
668 	SOC_SINGLE_TLV("ALC Noise Threshold Volume", DA9055_ALC_NOISE,
669 		       0, 0x3f, 1, alc_threshold_tlv),
670 	SOC_SINGLE_TLV("ALC Max Gain Volume", DA9055_ALC_GAIN_LIMITS,
671 		       4, 0xf, 0, alc_gain_tlv),
672 	SOC_SINGLE_TLV("ALC Max Attenuation Volume", DA9055_ALC_GAIN_LIMITS,
673 		       0, 0xf, 0, alc_gain_tlv),
674 	SOC_SINGLE_TLV("ALC Min Analog Gain Volume",
675 		       DA9055_ALC_ANA_GAIN_LIMITS,
676 		       0, 0x7, 0, alc_analog_gain_tlv),
677 	SOC_SINGLE_TLV("ALC Max Analog Gain Volume",
678 		       DA9055_ALC_ANA_GAIN_LIMITS,
679 		       4, 0x7, 0, alc_analog_gain_tlv),
680 	SOC_ENUM("ALC Attack Rate", da9055_attack_rate),
681 	SOC_ENUM("ALC Release Rate", da9055_release_rate),
682 	SOC_ENUM("ALC Hold Time", da9055_hold_time),
683 	/*
684 	 * Rate at which input signal envelope is tracked as the signal gets
685 	 * larger
686 	 */
687 	SOC_ENUM("ALC Integ Attack Rate", da9055_integ_attack_rate),
688 	/*
689 	 * Rate at which input signal envelope is tracked as the signal gets
690 	 * smaller
691 	 */
692 	SOC_ENUM("ALC Integ Release Rate", da9055_integ_release_rate),
693 };
694 
695 /* DAPM Controls */
696 
697 /* Mic PGA Left Source */
698 static const struct snd_kcontrol_new da9055_mic_l_mux_controls =
699 SOC_DAPM_ENUM("Route", da9055_mic_l_src);
700 
701 /* Mic PGA Right Source */
702 static const struct snd_kcontrol_new da9055_mic_r_mux_controls =
703 SOC_DAPM_ENUM("Route", da9055_mic_r_src);
704 
705 /* In Mixer Left */
706 static const struct snd_kcontrol_new da9055_dapm_mixinl_controls[] = {
707 	SOC_DAPM_SINGLE("Aux Left Switch", DA9055_MIXIN_L_SELECT, 0, 1, 0),
708 	SOC_DAPM_SINGLE("Mic Left Switch", DA9055_MIXIN_L_SELECT, 1, 1, 0),
709 	SOC_DAPM_SINGLE("Mic Right Switch", DA9055_MIXIN_L_SELECT, 2, 1, 0),
710 };
711 
712 /* In Mixer Right */
713 static const struct snd_kcontrol_new da9055_dapm_mixinr_controls[] = {
714 	SOC_DAPM_SINGLE("Aux Right Switch", DA9055_MIXIN_R_SELECT, 0, 1, 0),
715 	SOC_DAPM_SINGLE("Mic Right Switch", DA9055_MIXIN_R_SELECT, 1, 1, 0),
716 	SOC_DAPM_SINGLE("Mic Left Switch", DA9055_MIXIN_R_SELECT, 2, 1, 0),
717 	SOC_DAPM_SINGLE("Mixin Left Switch", DA9055_MIXIN_R_SELECT, 3, 1, 0),
718 };
719 
720 /* DAC Left Source */
721 static const struct snd_kcontrol_new da9055_dac_l_mux_controls =
722 SOC_DAPM_ENUM("Route", da9055_dac_l_src);
723 
724 /* DAC Right Source */
725 static const struct snd_kcontrol_new da9055_dac_r_mux_controls =
726 SOC_DAPM_ENUM("Route", da9055_dac_r_src);
727 
728 /* Out Mixer Left */
729 static const struct snd_kcontrol_new da9055_dapm_mixoutl_controls[] = {
730 	SOC_DAPM_SINGLE("Aux Left Switch", DA9055_MIXOUT_L_SELECT, 0, 1, 0),
731 	SOC_DAPM_SINGLE("Mixin Left Switch", DA9055_MIXOUT_L_SELECT, 1, 1, 0),
732 	SOC_DAPM_SINGLE("Mixin Right Switch", DA9055_MIXOUT_L_SELECT, 2, 1, 0),
733 	SOC_DAPM_SINGLE("DAC Left Switch", DA9055_MIXOUT_L_SELECT, 3, 1, 0),
734 	SOC_DAPM_SINGLE("Aux Left Invert Switch", DA9055_MIXOUT_L_SELECT,
735 			4, 1, 0),
736 	SOC_DAPM_SINGLE("Mixin Left Invert Switch", DA9055_MIXOUT_L_SELECT,
737 			5, 1, 0),
738 	SOC_DAPM_SINGLE("Mixin Right Invert Switch", DA9055_MIXOUT_L_SELECT,
739 			6, 1, 0),
740 };
741 
742 /* Out Mixer Right */
743 static const struct snd_kcontrol_new da9055_dapm_mixoutr_controls[] = {
744 	SOC_DAPM_SINGLE("Aux Right Switch", DA9055_MIXOUT_R_SELECT, 0, 1, 0),
745 	SOC_DAPM_SINGLE("Mixin Right Switch", DA9055_MIXOUT_R_SELECT, 1, 1, 0),
746 	SOC_DAPM_SINGLE("Mixin Left Switch", DA9055_MIXOUT_R_SELECT, 2, 1, 0),
747 	SOC_DAPM_SINGLE("DAC Right Switch", DA9055_MIXOUT_R_SELECT, 3, 1, 0),
748 	SOC_DAPM_SINGLE("Aux Right Invert Switch", DA9055_MIXOUT_R_SELECT,
749 			4, 1, 0),
750 	SOC_DAPM_SINGLE("Mixin Right Invert Switch", DA9055_MIXOUT_R_SELECT,
751 			5, 1, 0),
752 	SOC_DAPM_SINGLE("Mixin Left Invert Switch", DA9055_MIXOUT_R_SELECT,
753 			6, 1, 0),
754 };
755 
756 /* Headphone Output Enable */
757 static const struct snd_kcontrol_new da9055_dapm_hp_l_control =
758 SOC_DAPM_SINGLE("Switch", DA9055_HP_L_CTRL, 3, 1, 0);
759 
760 static const struct snd_kcontrol_new da9055_dapm_hp_r_control =
761 SOC_DAPM_SINGLE("Switch", DA9055_HP_R_CTRL, 3, 1, 0);
762 
763 /* Lineout Output Enable */
764 static const struct snd_kcontrol_new da9055_dapm_lineout_control =
765 SOC_DAPM_SINGLE("Switch", DA9055_LINE_CTRL, 3, 1, 0);
766 
767 /* DAPM widgets */
768 static const struct snd_soc_dapm_widget da9055_dapm_widgets[] = {
769 	/* Input Side */
770 
771 	/* Input Lines */
772 	SND_SOC_DAPM_INPUT("MIC1"),
773 	SND_SOC_DAPM_INPUT("MIC2"),
774 	SND_SOC_DAPM_INPUT("AUXL"),
775 	SND_SOC_DAPM_INPUT("AUXR"),
776 
777 	/* MUXs for Mic PGA source selection */
778 	SND_SOC_DAPM_MUX("Mic Left Source", SND_SOC_NOPM, 0, 0,
779 			 &da9055_mic_l_mux_controls),
780 	SND_SOC_DAPM_MUX("Mic Right Source", SND_SOC_NOPM, 0, 0,
781 			 &da9055_mic_r_mux_controls),
782 
783 	/* Input PGAs */
784 	SND_SOC_DAPM_PGA("Mic Left", DA9055_MIC_L_CTRL, 7, 0, NULL, 0),
785 	SND_SOC_DAPM_PGA("Mic Right", DA9055_MIC_R_CTRL, 7, 0, NULL, 0),
786 	SND_SOC_DAPM_PGA("Aux Left", DA9055_AUX_L_CTRL, 7, 0, NULL, 0),
787 	SND_SOC_DAPM_PGA("Aux Right", DA9055_AUX_R_CTRL, 7, 0, NULL, 0),
788 	SND_SOC_DAPM_PGA("MIXIN Left", DA9055_MIXIN_L_CTRL, 7, 0, NULL, 0),
789 	SND_SOC_DAPM_PGA("MIXIN Right", DA9055_MIXIN_R_CTRL, 7, 0, NULL, 0),
790 
791 	SND_SOC_DAPM_SUPPLY("Mic Bias", DA9055_MIC_BIAS_CTRL, 7, 0, NULL, 0),
792 	SND_SOC_DAPM_SUPPLY("AIF", DA9055_AIF_CTRL, 7, 0, NULL, 0),
793 	SND_SOC_DAPM_SUPPLY("Charge Pump", DA9055_CP_CTRL, 7, 0, NULL, 0),
794 
795 	/* Input Mixers */
796 	SND_SOC_DAPM_MIXER("In Mixer Left", SND_SOC_NOPM, 0, 0,
797 			   &da9055_dapm_mixinl_controls[0],
798 			   ARRAY_SIZE(da9055_dapm_mixinl_controls)),
799 	SND_SOC_DAPM_MIXER("In Mixer Right", SND_SOC_NOPM, 0, 0,
800 			   &da9055_dapm_mixinr_controls[0],
801 			   ARRAY_SIZE(da9055_dapm_mixinr_controls)),
802 
803 	/* ADCs */
804 	SND_SOC_DAPM_ADC("ADC Left", "Capture", DA9055_ADC_L_CTRL, 7, 0),
805 	SND_SOC_DAPM_ADC("ADC Right", "Capture", DA9055_ADC_R_CTRL, 7, 0),
806 
807 	/* Output Side */
808 
809 	/* MUXs for DAC source selection */
810 	SND_SOC_DAPM_MUX("DAC Left Source", SND_SOC_NOPM, 0, 0,
811 			 &da9055_dac_l_mux_controls),
812 	SND_SOC_DAPM_MUX("DAC Right Source", SND_SOC_NOPM, 0, 0,
813 			 &da9055_dac_r_mux_controls),
814 
815 	/* AIF input */
816 	SND_SOC_DAPM_AIF_IN("AIFIN Left", "Playback", 0, SND_SOC_NOPM, 0, 0),
817 	SND_SOC_DAPM_AIF_IN("AIFIN Right", "Playback", 0, SND_SOC_NOPM, 0, 0),
818 
819 	/* DACs */
820 	SND_SOC_DAPM_DAC("DAC Left", "Playback", DA9055_DAC_L_CTRL, 7, 0),
821 	SND_SOC_DAPM_DAC("DAC Right", "Playback", DA9055_DAC_R_CTRL, 7, 0),
822 
823 	/* Output Mixers */
824 	SND_SOC_DAPM_MIXER("Out Mixer Left", SND_SOC_NOPM, 0, 0,
825 			   &da9055_dapm_mixoutl_controls[0],
826 			   ARRAY_SIZE(da9055_dapm_mixoutl_controls)),
827 	SND_SOC_DAPM_MIXER("Out Mixer Right", SND_SOC_NOPM, 0, 0,
828 			   &da9055_dapm_mixoutr_controls[0],
829 			   ARRAY_SIZE(da9055_dapm_mixoutr_controls)),
830 
831 	/* Output Enable Switches */
832 	SND_SOC_DAPM_SWITCH("Headphone Left Enable", SND_SOC_NOPM, 0, 0,
833 			    &da9055_dapm_hp_l_control),
834 	SND_SOC_DAPM_SWITCH("Headphone Right Enable", SND_SOC_NOPM, 0, 0,
835 			    &da9055_dapm_hp_r_control),
836 	SND_SOC_DAPM_SWITCH("Lineout Enable", SND_SOC_NOPM, 0, 0,
837 			    &da9055_dapm_lineout_control),
838 
839 	/* Output PGAs */
840 	SND_SOC_DAPM_PGA("MIXOUT Left", DA9055_MIXOUT_L_CTRL, 7, 0, NULL, 0),
841 	SND_SOC_DAPM_PGA("MIXOUT Right", DA9055_MIXOUT_R_CTRL, 7, 0, NULL, 0),
842 	SND_SOC_DAPM_PGA("Lineout", DA9055_LINE_CTRL, 7, 0, NULL, 0),
843 	SND_SOC_DAPM_PGA("Headphone Left", DA9055_HP_L_CTRL, 7, 0, NULL, 0),
844 	SND_SOC_DAPM_PGA("Headphone Right", DA9055_HP_R_CTRL, 7, 0, NULL, 0),
845 
846 	/* Output Lines */
847 	SND_SOC_DAPM_OUTPUT("HPL"),
848 	SND_SOC_DAPM_OUTPUT("HPR"),
849 	SND_SOC_DAPM_OUTPUT("LINE"),
850 };
851 
852 /* DAPM audio route definition */
853 static const struct snd_soc_dapm_route da9055_audio_map[] = {
854 	/* Dest       Connecting Widget    source */
855 
856 	/* Input path */
857 	{"Mic Left Source", "MIC1_P_N", "MIC1"},
858 	{"Mic Left Source", "MIC1_P", "MIC1"},
859 	{"Mic Left Source", "MIC1_N", "MIC1"},
860 	{"Mic Left Source", "MIC2_L", "MIC2"},
861 
862 	{"Mic Right Source", "MIC2_R_L", "MIC2"},
863 	{"Mic Right Source", "MIC2_R", "MIC2"},
864 	{"Mic Right Source", "MIC2_L", "MIC2"},
865 
866 	{"Mic Left", NULL, "Mic Left Source"},
867 	{"Mic Right", NULL, "Mic Right Source"},
868 
869 	{"Aux Left", NULL, "AUXL"},
870 	{"Aux Right", NULL, "AUXR"},
871 
872 	{"In Mixer Left", "Mic Left Switch", "Mic Left"},
873 	{"In Mixer Left", "Mic Right Switch", "Mic Right"},
874 	{"In Mixer Left", "Aux Left Switch", "Aux Left"},
875 
876 	{"In Mixer Right", "Mic Right Switch", "Mic Right"},
877 	{"In Mixer Right", "Mic Left Switch", "Mic Left"},
878 	{"In Mixer Right", "Aux Right Switch", "Aux Right"},
879 	{"In Mixer Right", "Mixin Left Switch", "MIXIN Left"},
880 
881 	{"MIXIN Left", NULL, "In Mixer Left"},
882 	{"ADC Left", NULL, "MIXIN Left"},
883 
884 	{"MIXIN Right", NULL, "In Mixer Right"},
885 	{"ADC Right", NULL, "MIXIN Right"},
886 
887 	{"ADC Left", NULL, "AIF"},
888 	{"ADC Right", NULL, "AIF"},
889 
890 	/* Output path */
891 	{"AIFIN Left", NULL, "AIF"},
892 	{"AIFIN Right", NULL, "AIF"},
893 
894 	{"DAC Left Source", "ADC output left", "ADC Left"},
895 	{"DAC Left Source", "ADC output right", "ADC Right"},
896 	{"DAC Left Source", "AIF input left", "AIFIN Left"},
897 	{"DAC Left Source", "AIF input right", "AIFIN Right"},
898 
899 	{"DAC Right Source", "ADC output left", "ADC Left"},
900 	{"DAC Right Source", "ADC output right", "ADC Right"},
901 	{"DAC Right Source", "AIF input left", "AIFIN Left"},
902 	{"DAC Right Source", "AIF input right", "AIFIN Right"},
903 
904 	{"DAC Left", NULL, "DAC Left Source"},
905 	{"DAC Right", NULL, "DAC Right Source"},
906 
907 	{"Out Mixer Left", "Aux Left Switch", "Aux Left"},
908 	{"Out Mixer Left", "Mixin Left Switch", "MIXIN Left"},
909 	{"Out Mixer Left", "Mixin Right Switch", "MIXIN Right"},
910 	{"Out Mixer Left", "Aux Left Invert Switch", "Aux Left"},
911 	{"Out Mixer Left", "Mixin Left Invert Switch", "MIXIN Left"},
912 	{"Out Mixer Left", "Mixin Right Invert Switch", "MIXIN Right"},
913 	{"Out Mixer Left", "DAC Left Switch", "DAC Left"},
914 
915 	{"Out Mixer Right", "Aux Right Switch", "Aux Right"},
916 	{"Out Mixer Right", "Mixin Right Switch", "MIXIN Right"},
917 	{"Out Mixer Right", "Mixin Left Switch", "MIXIN Left"},
918 	{"Out Mixer Right", "Aux Right Invert Switch", "Aux Right"},
919 	{"Out Mixer Right", "Mixin Right Invert Switch", "MIXIN Right"},
920 	{"Out Mixer Right", "Mixin Left Invert Switch", "MIXIN Left"},
921 	{"Out Mixer Right", "DAC Right Switch", "DAC Right"},
922 
923 	{"MIXOUT Left", NULL, "Out Mixer Left"},
924 	{"Headphone Left Enable", "Switch", "MIXOUT Left"},
925 	{"Headphone Left", NULL, "Headphone Left Enable"},
926 	{"Headphone Left", NULL, "Charge Pump"},
927 	{"HPL", NULL, "Headphone Left"},
928 
929 	{"MIXOUT Right", NULL, "Out Mixer Right"},
930 	{"Headphone Right Enable", "Switch", "MIXOUT Right"},
931 	{"Headphone Right", NULL, "Headphone Right Enable"},
932 	{"Headphone Right", NULL, "Charge Pump"},
933 	{"HPR", NULL, "Headphone Right"},
934 
935 	{"MIXOUT Right", NULL, "Out Mixer Right"},
936 	{"Lineout Enable", "Switch", "MIXOUT Right"},
937 	{"Lineout", NULL, "Lineout Enable"},
938 	{"LINE", NULL, "Lineout"},
939 };
940 
941 /* Codec private data */
942 struct da9055_priv {
943 	struct regmap *regmap;
944 	unsigned int mclk_rate;
945 	int master;
946 	struct da9055_platform_data *pdata;
947 };
948 
949 static struct reg_default da9055_reg_defaults[] = {
950 	{ 0x21, 0x10 },
951 	{ 0x22, 0x0A },
952 	{ 0x23, 0x00 },
953 	{ 0x24, 0x00 },
954 	{ 0x25, 0x00 },
955 	{ 0x26, 0x00 },
956 	{ 0x27, 0x0C },
957 	{ 0x28, 0x01 },
958 	{ 0x29, 0x08 },
959 	{ 0x2A, 0x32 },
960 	{ 0x2B, 0x00 },
961 	{ 0x30, 0x35 },
962 	{ 0x31, 0x35 },
963 	{ 0x32, 0x00 },
964 	{ 0x33, 0x00 },
965 	{ 0x34, 0x03 },
966 	{ 0x35, 0x03 },
967 	{ 0x36, 0x6F },
968 	{ 0x37, 0x6F },
969 	{ 0x38, 0x80 },
970 	{ 0x39, 0x01 },
971 	{ 0x3A, 0x01 },
972 	{ 0x40, 0x00 },
973 	{ 0x41, 0x88 },
974 	{ 0x42, 0x88 },
975 	{ 0x43, 0x08 },
976 	{ 0x44, 0x80 },
977 	{ 0x45, 0x6F },
978 	{ 0x46, 0x6F },
979 	{ 0x47, 0x61 },
980 	{ 0x48, 0x35 },
981 	{ 0x49, 0x35 },
982 	{ 0x4A, 0x35 },
983 	{ 0x4B, 0x00 },
984 	{ 0x4C, 0x00 },
985 	{ 0x60, 0x44 },
986 	{ 0x61, 0x44 },
987 	{ 0x62, 0x00 },
988 	{ 0x63, 0x40 },
989 	{ 0x64, 0x40 },
990 	{ 0x65, 0x40 },
991 	{ 0x66, 0x40 },
992 	{ 0x67, 0x40 },
993 	{ 0x68, 0x40 },
994 	{ 0x69, 0x48 },
995 	{ 0x6A, 0x40 },
996 	{ 0x6B, 0x41 },
997 	{ 0x6C, 0x40 },
998 	{ 0x6D, 0x40 },
999 	{ 0x6E, 0x10 },
1000 	{ 0x6F, 0x10 },
1001 	{ 0x90, 0x80 },
1002 	{ 0x92, 0x02 },
1003 	{ 0x93, 0x00 },
1004 	{ 0x99, 0x00 },
1005 	{ 0x9A, 0x00 },
1006 	{ 0x9B, 0x00 },
1007 	{ 0x9C, 0x3F },
1008 	{ 0x9D, 0x00 },
1009 	{ 0x9E, 0x3F },
1010 	{ 0x9F, 0xFF },
1011 	{ 0xA0, 0x71 },
1012 	{ 0xA1, 0x00 },
1013 	{ 0xA2, 0x00 },
1014 	{ 0xA6, 0x00 },
1015 	{ 0xA7, 0x00 },
1016 	{ 0xAB, 0x00 },
1017 	{ 0xAC, 0x00 },
1018 	{ 0xAD, 0x00 },
1019 	{ 0xAF, 0x08 },
1020 	{ 0xB0, 0x00 },
1021 	{ 0xB1, 0x00 },
1022 	{ 0xB2, 0x00 },
1023 };
1024 
1025 static bool da9055_volatile_register(struct device *dev,
1026 				     unsigned int reg)
1027 {
1028 	switch (reg) {
1029 	case DA9055_STATUS1:
1030 	case DA9055_PLL_STATUS:
1031 	case DA9055_AUX_L_GAIN_STATUS:
1032 	case DA9055_AUX_R_GAIN_STATUS:
1033 	case DA9055_MIC_L_GAIN_STATUS:
1034 	case DA9055_MIC_R_GAIN_STATUS:
1035 	case DA9055_MIXIN_L_GAIN_STATUS:
1036 	case DA9055_MIXIN_R_GAIN_STATUS:
1037 	case DA9055_ADC_L_GAIN_STATUS:
1038 	case DA9055_ADC_R_GAIN_STATUS:
1039 	case DA9055_DAC_L_GAIN_STATUS:
1040 	case DA9055_DAC_R_GAIN_STATUS:
1041 	case DA9055_HP_L_GAIN_STATUS:
1042 	case DA9055_HP_R_GAIN_STATUS:
1043 	case DA9055_LINE_GAIN_STATUS:
1044 	case DA9055_ALC_CIC_OP_LVL_DATA:
1045 		return 1;
1046 	default:
1047 		return 0;
1048 	}
1049 }
1050 
1051 /* Set DAI word length */
1052 static int da9055_hw_params(struct snd_pcm_substream *substream,
1053 			    struct snd_pcm_hw_params *params,
1054 			    struct snd_soc_dai *dai)
1055 {
1056 	struct snd_soc_codec *codec = dai->codec;
1057 	struct da9055_priv *da9055 = snd_soc_codec_get_drvdata(codec);
1058 	u8 aif_ctrl, fs;
1059 	u32 sysclk;
1060 
1061 	switch (params_format(params)) {
1062 	case SNDRV_PCM_FORMAT_S16_LE:
1063 		aif_ctrl = DA9055_AIF_WORD_S16_LE;
1064 		break;
1065 	case SNDRV_PCM_FORMAT_S20_3LE:
1066 		aif_ctrl = DA9055_AIF_WORD_S20_3LE;
1067 		break;
1068 	case SNDRV_PCM_FORMAT_S24_LE:
1069 		aif_ctrl = DA9055_AIF_WORD_S24_LE;
1070 		break;
1071 	case SNDRV_PCM_FORMAT_S32_LE:
1072 		aif_ctrl = DA9055_AIF_WORD_S32_LE;
1073 		break;
1074 	default:
1075 		return -EINVAL;
1076 	}
1077 
1078 	/* Set AIF format */
1079 	snd_soc_update_bits(codec, DA9055_AIF_CTRL, DA9055_AIF_WORD_LENGTH_MASK,
1080 			    aif_ctrl);
1081 
1082 	switch (params_rate(params)) {
1083 	case 8000:
1084 		fs		= DA9055_SR_8000;
1085 		sysclk		= 3072000;
1086 		break;
1087 	case 11025:
1088 		fs		= DA9055_SR_11025;
1089 		sysclk		= 2822400;
1090 		break;
1091 	case 12000:
1092 		fs		= DA9055_SR_12000;
1093 		sysclk		= 3072000;
1094 		break;
1095 	case 16000:
1096 		fs		= DA9055_SR_16000;
1097 		sysclk		= 3072000;
1098 		break;
1099 	case 22050:
1100 		fs		= DA9055_SR_22050;
1101 		sysclk		= 2822400;
1102 		break;
1103 	case 32000:
1104 		fs		= DA9055_SR_32000;
1105 		sysclk		= 3072000;
1106 		break;
1107 	case 44100:
1108 		fs		= DA9055_SR_44100;
1109 		sysclk		= 2822400;
1110 		break;
1111 	case 48000:
1112 		fs		= DA9055_SR_48000;
1113 		sysclk		= 3072000;
1114 		break;
1115 	case 88200:
1116 		fs		= DA9055_SR_88200;
1117 		sysclk		= 2822400;
1118 		break;
1119 	case 96000:
1120 		fs		= DA9055_SR_96000;
1121 		sysclk		= 3072000;
1122 		break;
1123 	default:
1124 		return -EINVAL;
1125 	}
1126 
1127 	if (da9055->mclk_rate) {
1128 		/* PLL Mode, Write actual FS */
1129 		snd_soc_write(codec, DA9055_SR, fs);
1130 	} else {
1131 		/*
1132 		 * Non-PLL Mode
1133 		 * When PLL is bypassed, chip assumes constant MCLK of
1134 		 * 12.288MHz and uses sample rate value to divide this MCLK
1135 		 * to derive its sys clk. As sys clk has to be 256 * Fs, we
1136 		 * need to write constant sample rate i.e. 48KHz.
1137 		 */
1138 		snd_soc_write(codec, DA9055_SR, DA9055_SR_48000);
1139 	}
1140 
1141 	if (da9055->mclk_rate && (da9055->mclk_rate != sysclk)) {
1142 		/* PLL Mode */
1143 		if (!da9055->master) {
1144 			/* PLL slave mode, enable PLL and also SRM */
1145 			snd_soc_update_bits(codec, DA9055_PLL_CTRL,
1146 					    DA9055_PLL_EN | DA9055_PLL_SRM_EN,
1147 					    DA9055_PLL_EN | DA9055_PLL_SRM_EN);
1148 		} else {
1149 			/* PLL master mode, only enable PLL */
1150 			snd_soc_update_bits(codec, DA9055_PLL_CTRL,
1151 					    DA9055_PLL_EN, DA9055_PLL_EN);
1152 		}
1153 	} else {
1154 		/* Non PLL Mode, disable PLL */
1155 		snd_soc_update_bits(codec, DA9055_PLL_CTRL, DA9055_PLL_EN, 0);
1156 	}
1157 
1158 	return 0;
1159 }
1160 
1161 /* Set DAI mode and Format */
1162 static int da9055_set_dai_fmt(struct snd_soc_dai *codec_dai, unsigned int fmt)
1163 {
1164 	struct snd_soc_codec *codec = codec_dai->codec;
1165 	struct da9055_priv *da9055 = snd_soc_codec_get_drvdata(codec);
1166 	u8 aif_clk_mode, aif_ctrl, mode;
1167 
1168 	switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
1169 	case SND_SOC_DAIFMT_CBM_CFM:
1170 		/* DA9055 in I2S Master Mode */
1171 		mode = 1;
1172 		aif_clk_mode = DA9055_AIF_CLK_EN_MASTER_MODE;
1173 		break;
1174 	case SND_SOC_DAIFMT_CBS_CFS:
1175 		/* DA9055 in I2S Slave Mode */
1176 		mode = 0;
1177 		aif_clk_mode = DA9055_AIF_CLK_EN_SLAVE_MODE;
1178 		break;
1179 	default:
1180 		return -EINVAL;
1181 	}
1182 
1183 	/* Don't allow change of mode if PLL is enabled */
1184 	if ((snd_soc_read(codec, DA9055_PLL_CTRL) & DA9055_PLL_EN) &&
1185 	    (da9055->master != mode))
1186 		return -EINVAL;
1187 
1188 	da9055->master = mode;
1189 
1190 	/* Only I2S is supported */
1191 	switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
1192 	case SND_SOC_DAIFMT_I2S:
1193 		aif_ctrl = DA9055_AIF_FORMAT_I2S_MODE;
1194 		break;
1195 	case SND_SOC_DAIFMT_LEFT_J:
1196 		aif_ctrl = DA9055_AIF_FORMAT_LEFT_J;
1197 		break;
1198 	case SND_SOC_DAIFMT_RIGHT_J:
1199 		aif_ctrl = DA9055_AIF_FORMAT_RIGHT_J;
1200 		break;
1201 	case SND_SOC_DAIFMT_DSP_A:
1202 		aif_ctrl = DA9055_AIF_FORMAT_DSP;
1203 		break;
1204 	default:
1205 		return -EINVAL;
1206 	}
1207 
1208 	/* By default only 32 BCLK per WCLK is supported */
1209 	aif_clk_mode |= DA9055_AIF_BCLKS_PER_WCLK_32;
1210 
1211 	snd_soc_update_bits(codec, DA9055_AIF_CLK_MODE,
1212 			    (DA9055_AIF_CLK_MODE_MASK | DA9055_AIF_BCLK_MASK),
1213 			    aif_clk_mode);
1214 	snd_soc_update_bits(codec, DA9055_AIF_CTRL, DA9055_AIF_FORMAT_MASK,
1215 			    aif_ctrl);
1216 	return 0;
1217 }
1218 
1219 static int da9055_mute(struct snd_soc_dai *dai, int mute)
1220 {
1221 	struct snd_soc_codec *codec = dai->codec;
1222 
1223 	if (mute) {
1224 		snd_soc_update_bits(codec, DA9055_DAC_L_CTRL,
1225 				    DA9055_DAC_L_MUTE_EN, DA9055_DAC_L_MUTE_EN);
1226 		snd_soc_update_bits(codec, DA9055_DAC_R_CTRL,
1227 				    DA9055_DAC_R_MUTE_EN, DA9055_DAC_R_MUTE_EN);
1228 	} else {
1229 		snd_soc_update_bits(codec, DA9055_DAC_L_CTRL,
1230 				    DA9055_DAC_L_MUTE_EN, 0);
1231 		snd_soc_update_bits(codec, DA9055_DAC_R_CTRL,
1232 				    DA9055_DAC_R_MUTE_EN, 0);
1233 	}
1234 
1235 	return 0;
1236 }
1237 
1238 #define DA9055_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S20_3LE |\
1239 			SNDRV_PCM_FMTBIT_S24_LE | SNDRV_PCM_FMTBIT_S32_LE)
1240 
1241 static int da9055_set_dai_sysclk(struct snd_soc_dai *codec_dai,
1242 				 int clk_id, unsigned int freq, int dir)
1243 {
1244 	struct snd_soc_codec *codec = codec_dai->codec;
1245 	struct da9055_priv *da9055 = snd_soc_codec_get_drvdata(codec);
1246 
1247 	switch (clk_id) {
1248 	case DA9055_CLKSRC_MCLK:
1249 		switch (freq) {
1250 		case 11289600:
1251 		case 12000000:
1252 		case 12288000:
1253 		case 13000000:
1254 		case 13500000:
1255 		case 14400000:
1256 		case 19200000:
1257 		case 19680000:
1258 		case 19800000:
1259 			da9055->mclk_rate = freq;
1260 			return 0;
1261 		default:
1262 			dev_err(codec_dai->dev, "Unsupported MCLK value %d\n",
1263 				freq);
1264 			return -EINVAL;
1265 		}
1266 		break;
1267 	default:
1268 		dev_err(codec_dai->dev, "Unknown clock source %d\n", clk_id);
1269 		return -EINVAL;
1270 	}
1271 }
1272 
1273 /*
1274  * da9055_set_dai_pll	: Configure the codec PLL
1275  * @param codec_dai	: Pointer to codec DAI
1276  * @param pll_id	: da9055 has only one pll, so pll_id is always zero
1277  * @param fref		: Input MCLK frequency
1278  * @param fout		: FsDM value
1279  * @return int		: Zero for success, negative error code for error
1280  *
1281  * Note: Supported PLL input frequencies are 11.2896MHz, 12MHz, 12.288MHz,
1282  *	 13MHz, 13.5MHz, 14.4MHz, 19.2MHz, 19.6MHz and 19.8MHz
1283  */
1284 static int da9055_set_dai_pll(struct snd_soc_dai *codec_dai, int pll_id,
1285 			      int source, unsigned int fref, unsigned int fout)
1286 {
1287 	struct snd_soc_codec *codec = codec_dai->codec;
1288 	struct da9055_priv *da9055 = snd_soc_codec_get_drvdata(codec);
1289 
1290 	u8 pll_frac_top, pll_frac_bot, pll_integer, cnt;
1291 
1292 	/* Disable PLL before setting the divisors */
1293 	snd_soc_update_bits(codec, DA9055_PLL_CTRL, DA9055_PLL_EN, 0);
1294 
1295 	/* In slave mode, there is only one set of divisors */
1296 	if (!da9055->master && (fout != 2822400))
1297 		goto pll_err;
1298 
1299 	/* Search pll div array for correct divisors */
1300 	for (cnt = 0; cnt < ARRAY_SIZE(da9055_pll_div); cnt++) {
1301 		/* Check fref, mode  and fout */
1302 		if ((fref == da9055_pll_div[cnt].fref) &&
1303 		    (da9055->master ==  da9055_pll_div[cnt].mode) &&
1304 		    (fout == da9055_pll_div[cnt].fout)) {
1305 			/* All match, pick up divisors */
1306 			pll_frac_top = da9055_pll_div[cnt].frac_top;
1307 			pll_frac_bot = da9055_pll_div[cnt].frac_bot;
1308 			pll_integer = da9055_pll_div[cnt].integer;
1309 			break;
1310 		}
1311 	}
1312 	if (cnt >= ARRAY_SIZE(da9055_pll_div))
1313 		goto pll_err;
1314 
1315 	/* Write PLL dividers */
1316 	snd_soc_write(codec, DA9055_PLL_FRAC_TOP, pll_frac_top);
1317 	snd_soc_write(codec, DA9055_PLL_FRAC_BOT, pll_frac_bot);
1318 	snd_soc_write(codec, DA9055_PLL_INTEGER, pll_integer);
1319 
1320 	return 0;
1321 pll_err:
1322 	dev_err(codec_dai->dev, "Error in setting up PLL\n");
1323 	return -EINVAL;
1324 }
1325 
1326 /* DAI operations */
1327 static const struct snd_soc_dai_ops da9055_dai_ops = {
1328 	.hw_params	= da9055_hw_params,
1329 	.set_fmt	= da9055_set_dai_fmt,
1330 	.set_sysclk	= da9055_set_dai_sysclk,
1331 	.set_pll	= da9055_set_dai_pll,
1332 	.digital_mute	= da9055_mute,
1333 };
1334 
1335 static struct snd_soc_dai_driver da9055_dai = {
1336 	.name = "da9055-hifi",
1337 	/* Playback Capabilities */
1338 	.playback = {
1339 		.stream_name = "Playback",
1340 		.channels_min = 1,
1341 		.channels_max = 2,
1342 		.rates = SNDRV_PCM_RATE_8000_96000,
1343 		.formats = DA9055_FORMATS,
1344 	},
1345 	/* Capture Capabilities */
1346 	.capture = {
1347 		.stream_name = "Capture",
1348 		.channels_min = 1,
1349 		.channels_max = 2,
1350 		.rates = SNDRV_PCM_RATE_8000_96000,
1351 		.formats = DA9055_FORMATS,
1352 	},
1353 	.ops = &da9055_dai_ops,
1354 	.symmetric_rates = 1,
1355 };
1356 
1357 static int da9055_set_bias_level(struct snd_soc_codec *codec,
1358 				 enum snd_soc_bias_level level)
1359 {
1360 	switch (level) {
1361 	case SND_SOC_BIAS_ON:
1362 	case SND_SOC_BIAS_PREPARE:
1363 		break;
1364 	case SND_SOC_BIAS_STANDBY:
1365 		if (codec->dapm.bias_level == SND_SOC_BIAS_OFF) {
1366 			/* Enable VMID reference & master bias */
1367 			snd_soc_update_bits(codec, DA9055_REFERENCES,
1368 					    DA9055_VMID_EN | DA9055_BIAS_EN,
1369 					    DA9055_VMID_EN | DA9055_BIAS_EN);
1370 		}
1371 		break;
1372 	case SND_SOC_BIAS_OFF:
1373 		/* Disable VMID reference & master bias */
1374 		snd_soc_update_bits(codec, DA9055_REFERENCES,
1375 				    DA9055_VMID_EN | DA9055_BIAS_EN, 0);
1376 		break;
1377 	}
1378 	codec->dapm.bias_level = level;
1379 	return 0;
1380 }
1381 
1382 static int da9055_probe(struct snd_soc_codec *codec)
1383 {
1384 	int ret;
1385 	struct da9055_priv *da9055 = snd_soc_codec_get_drvdata(codec);
1386 
1387 	codec->control_data = da9055->regmap;
1388 	ret = snd_soc_codec_set_cache_io(codec, 8, 8, SND_SOC_REGMAP);
1389 	if (ret < 0) {
1390 		dev_err(codec->dev, "Failed to set cache I/O: %d\n", ret);
1391 		return ret;
1392 	}
1393 
1394 	/* Enable all Gain Ramps */
1395 	snd_soc_update_bits(codec, DA9055_AUX_L_CTRL,
1396 			    DA9055_GAIN_RAMPING_EN, DA9055_GAIN_RAMPING_EN);
1397 	snd_soc_update_bits(codec, DA9055_AUX_R_CTRL,
1398 			    DA9055_GAIN_RAMPING_EN, DA9055_GAIN_RAMPING_EN);
1399 	snd_soc_update_bits(codec, DA9055_MIXIN_L_CTRL,
1400 			    DA9055_GAIN_RAMPING_EN, DA9055_GAIN_RAMPING_EN);
1401 	snd_soc_update_bits(codec, DA9055_MIXIN_R_CTRL,
1402 			    DA9055_GAIN_RAMPING_EN, DA9055_GAIN_RAMPING_EN);
1403 	snd_soc_update_bits(codec, DA9055_ADC_L_CTRL,
1404 			    DA9055_GAIN_RAMPING_EN, DA9055_GAIN_RAMPING_EN);
1405 	snd_soc_update_bits(codec, DA9055_ADC_R_CTRL,
1406 			    DA9055_GAIN_RAMPING_EN, DA9055_GAIN_RAMPING_EN);
1407 	snd_soc_update_bits(codec, DA9055_DAC_L_CTRL,
1408 			    DA9055_GAIN_RAMPING_EN, DA9055_GAIN_RAMPING_EN);
1409 	snd_soc_update_bits(codec, DA9055_DAC_R_CTRL,
1410 			    DA9055_GAIN_RAMPING_EN, DA9055_GAIN_RAMPING_EN);
1411 	snd_soc_update_bits(codec, DA9055_HP_L_CTRL,
1412 			    DA9055_GAIN_RAMPING_EN, DA9055_GAIN_RAMPING_EN);
1413 	snd_soc_update_bits(codec, DA9055_HP_R_CTRL,
1414 			    DA9055_GAIN_RAMPING_EN, DA9055_GAIN_RAMPING_EN);
1415 	snd_soc_update_bits(codec, DA9055_LINE_CTRL,
1416 			    DA9055_GAIN_RAMPING_EN, DA9055_GAIN_RAMPING_EN);
1417 
1418 	/*
1419 	 * There are two separate control bits for input and output mixers.
1420 	 * One to enable corresponding amplifier and other to enable its
1421 	 * output. As amplifier bits are related to power control, they are
1422 	 * being managed by DAPM while other (non power related) bits are
1423 	 * enabled here
1424 	 */
1425 	snd_soc_update_bits(codec, DA9055_MIXIN_L_CTRL,
1426 			    DA9055_MIXIN_L_MIX_EN, DA9055_MIXIN_L_MIX_EN);
1427 	snd_soc_update_bits(codec, DA9055_MIXIN_R_CTRL,
1428 			    DA9055_MIXIN_R_MIX_EN, DA9055_MIXIN_R_MIX_EN);
1429 
1430 	snd_soc_update_bits(codec, DA9055_MIXOUT_L_CTRL,
1431 			    DA9055_MIXOUT_L_MIX_EN, DA9055_MIXOUT_L_MIX_EN);
1432 	snd_soc_update_bits(codec, DA9055_MIXOUT_R_CTRL,
1433 			    DA9055_MIXOUT_R_MIX_EN, DA9055_MIXOUT_R_MIX_EN);
1434 
1435 	/* Set this as per your system configuration */
1436 	snd_soc_write(codec, DA9055_PLL_CTRL, DA9055_PLL_INDIV_10_20_MHZ);
1437 
1438 	/* Set platform data values */
1439 	if (da9055->pdata) {
1440 		/* set mic bias source */
1441 		if (da9055->pdata->micbias_source) {
1442 			snd_soc_update_bits(codec, DA9055_MIXIN_R_SELECT,
1443 					    DA9055_MICBIAS2_EN,
1444 					    DA9055_MICBIAS2_EN);
1445 		} else {
1446 			snd_soc_update_bits(codec, DA9055_MIXIN_R_SELECT,
1447 					    DA9055_MICBIAS2_EN, 0);
1448 		}
1449 		/* set mic bias voltage */
1450 		switch (da9055->pdata->micbias) {
1451 		case DA9055_MICBIAS_2_2V:
1452 		case DA9055_MICBIAS_2_1V:
1453 		case DA9055_MICBIAS_1_8V:
1454 		case DA9055_MICBIAS_1_6V:
1455 			snd_soc_update_bits(codec, DA9055_MIC_CONFIG,
1456 					    DA9055_MICBIAS_LEVEL_MASK,
1457 					    (da9055->pdata->micbias) << 4);
1458 			break;
1459 		}
1460 	}
1461 	return 0;
1462 }
1463 
1464 static struct snd_soc_codec_driver soc_codec_dev_da9055 = {
1465 	.probe			= da9055_probe,
1466 	.set_bias_level		= da9055_set_bias_level,
1467 
1468 	.controls		= da9055_snd_controls,
1469 	.num_controls		= ARRAY_SIZE(da9055_snd_controls),
1470 
1471 	.dapm_widgets		= da9055_dapm_widgets,
1472 	.num_dapm_widgets	= ARRAY_SIZE(da9055_dapm_widgets),
1473 	.dapm_routes		= da9055_audio_map,
1474 	.num_dapm_routes	= ARRAY_SIZE(da9055_audio_map),
1475 };
1476 
1477 static const struct regmap_config da9055_regmap_config = {
1478 	.reg_bits = 8,
1479 	.val_bits = 8,
1480 
1481 	.reg_defaults = da9055_reg_defaults,
1482 	.num_reg_defaults = ARRAY_SIZE(da9055_reg_defaults),
1483 	.volatile_reg = da9055_volatile_register,
1484 	.cache_type = REGCACHE_RBTREE,
1485 };
1486 
1487 static int da9055_i2c_probe(struct i2c_client *i2c,
1488 			    const struct i2c_device_id *id)
1489 {
1490 	struct da9055_priv *da9055;
1491 	struct da9055_platform_data *pdata = dev_get_platdata(&i2c->dev);
1492 	int ret;
1493 
1494 	da9055 = devm_kzalloc(&i2c->dev, sizeof(struct da9055_priv),
1495 			      GFP_KERNEL);
1496 	if (!da9055)
1497 		return -ENOMEM;
1498 
1499 	if (pdata)
1500 		da9055->pdata = pdata;
1501 
1502 	i2c_set_clientdata(i2c, da9055);
1503 
1504 	da9055->regmap = devm_regmap_init_i2c(i2c, &da9055_regmap_config);
1505 	if (IS_ERR(da9055->regmap)) {
1506 		ret = PTR_ERR(da9055->regmap);
1507 		dev_err(&i2c->dev, "regmap_init() failed: %d\n", ret);
1508 		return ret;
1509 	}
1510 
1511 	ret = snd_soc_register_codec(&i2c->dev,
1512 			&soc_codec_dev_da9055, &da9055_dai, 1);
1513 	if (ret < 0) {
1514 		dev_err(&i2c->dev, "Failed to register da9055 codec: %d\n",
1515 			ret);
1516 	}
1517 	return ret;
1518 }
1519 
1520 static int da9055_remove(struct i2c_client *client)
1521 {
1522 	snd_soc_unregister_codec(&client->dev);
1523 	return 0;
1524 }
1525 
1526 static const struct i2c_device_id da9055_i2c_id[] = {
1527 	{ "da9055", 0 },
1528 	{ }
1529 };
1530 MODULE_DEVICE_TABLE(i2c, da9055_i2c_id);
1531 
1532 /* I2C codec control layer */
1533 static struct i2c_driver da9055_i2c_driver = {
1534 	.driver = {
1535 		.name = "da9055",
1536 		.owner = THIS_MODULE,
1537 	},
1538 	.probe		= da9055_i2c_probe,
1539 	.remove		= da9055_remove,
1540 	.id_table	= da9055_i2c_id,
1541 };
1542 
1543 module_i2c_driver(da9055_i2c_driver);
1544 
1545 MODULE_DESCRIPTION("ASoC DA9055 Codec driver");
1546 MODULE_AUTHOR("David Chen, Ashish Chavan");
1547 MODULE_LICENSE("GPL");
1548