xref: /openbmc/linux/sound/soc/codecs/max98088.c (revision 37d122c5)
1 // SPDX-License-Identifier: GPL-2.0-only
2 /*
3  * max98088.c -- MAX98088 ALSA SoC Audio driver
4  *
5  * Copyright 2010 Maxim Integrated Products
6  */
7 
8 #include <linux/module.h>
9 #include <linux/moduleparam.h>
10 #include <linux/kernel.h>
11 #include <linux/init.h>
12 #include <linux/delay.h>
13 #include <linux/pm.h>
14 #include <linux/i2c.h>
15 #include <linux/regmap.h>
16 #include <linux/clk.h>
17 #include <sound/core.h>
18 #include <sound/pcm.h>
19 #include <sound/pcm_params.h>
20 #include <sound/soc.h>
21 #include <sound/initval.h>
22 #include <sound/tlv.h>
23 #include <linux/slab.h>
24 #include <asm/div64.h>
25 #include <sound/max98088.h>
26 #include "max98088.h"
27 
28 enum max98088_type {
29        MAX98088,
30        MAX98089,
31 };
32 
33 struct max98088_cdata {
34        unsigned int rate;
35        unsigned int fmt;
36        int eq_sel;
37 };
38 
39 struct max98088_priv {
40 	struct regmap *regmap;
41 	enum max98088_type devtype;
42 	struct max98088_pdata *pdata;
43 	struct clk *mclk;
44 	unsigned char mclk_prescaler;
45 	unsigned int sysclk;
46 	struct max98088_cdata dai[2];
47 	int eq_textcnt;
48 	const char **eq_texts;
49 	struct soc_enum eq_enum;
50 	u8 ina_state;
51 	u8 inb_state;
52 	unsigned int ex_mode;
53 	unsigned int digmic;
54 	unsigned int mic1pre;
55 	unsigned int mic2pre;
56 	unsigned int extmic_mode;
57 };
58 
59 static const struct reg_default max98088_reg[] = {
60 	{  0xf, 0x00 }, /* 0F interrupt enable */
61 
62 	{ 0x10, 0x00 }, /* 10 master clock */
63 	{ 0x11, 0x00 }, /* 11 DAI1 clock mode */
64 	{ 0x12, 0x00 }, /* 12 DAI1 clock control */
65 	{ 0x13, 0x00 }, /* 13 DAI1 clock control */
66 	{ 0x14, 0x00 }, /* 14 DAI1 format */
67 	{ 0x15, 0x00 }, /* 15 DAI1 clock */
68 	{ 0x16, 0x00 }, /* 16 DAI1 config */
69 	{ 0x17, 0x00 }, /* 17 DAI1 TDM */
70 	{ 0x18, 0x00 }, /* 18 DAI1 filters */
71 	{ 0x19, 0x00 }, /* 19 DAI2 clock mode */
72 	{ 0x1a, 0x00 }, /* 1A DAI2 clock control */
73 	{ 0x1b, 0x00 }, /* 1B DAI2 clock control */
74 	{ 0x1c, 0x00 }, /* 1C DAI2 format */
75 	{ 0x1d, 0x00 }, /* 1D DAI2 clock */
76 	{ 0x1e, 0x00 }, /* 1E DAI2 config */
77 	{ 0x1f, 0x00 }, /* 1F DAI2 TDM */
78 
79 	{ 0x20, 0x00 }, /* 20 DAI2 filters */
80 	{ 0x21, 0x00 }, /* 21 data config */
81 	{ 0x22, 0x00 }, /* 22 DAC mixer */
82 	{ 0x23, 0x00 }, /* 23 left ADC mixer */
83 	{ 0x24, 0x00 }, /* 24 right ADC mixer */
84 	{ 0x25, 0x00 }, /* 25 left HP mixer */
85 	{ 0x26, 0x00 }, /* 26 right HP mixer */
86 	{ 0x27, 0x00 }, /* 27 HP control */
87 	{ 0x28, 0x00 }, /* 28 left REC mixer */
88 	{ 0x29, 0x00 }, /* 29 right REC mixer */
89 	{ 0x2a, 0x00 }, /* 2A REC control */
90 	{ 0x2b, 0x00 }, /* 2B left SPK mixer */
91 	{ 0x2c, 0x00 }, /* 2C right SPK mixer */
92 	{ 0x2d, 0x00 }, /* 2D SPK control */
93 	{ 0x2e, 0x00 }, /* 2E sidetone */
94 	{ 0x2f, 0x00 }, /* 2F DAI1 playback level */
95 
96 	{ 0x30, 0x00 }, /* 30 DAI1 playback level */
97 	{ 0x31, 0x00 }, /* 31 DAI2 playback level */
98 	{ 0x32, 0x00 }, /* 32 DAI2 playbakc level */
99 	{ 0x33, 0x00 }, /* 33 left ADC level */
100 	{ 0x34, 0x00 }, /* 34 right ADC level */
101 	{ 0x35, 0x00 }, /* 35 MIC1 level */
102 	{ 0x36, 0x00 }, /* 36 MIC2 level */
103 	{ 0x37, 0x00 }, /* 37 INA level */
104 	{ 0x38, 0x00 }, /* 38 INB level */
105 	{ 0x39, 0x00 }, /* 39 left HP volume */
106 	{ 0x3a, 0x00 }, /* 3A right HP volume */
107 	{ 0x3b, 0x00 }, /* 3B left REC volume */
108 	{ 0x3c, 0x00 }, /* 3C right REC volume */
109 	{ 0x3d, 0x00 }, /* 3D left SPK volume */
110 	{ 0x3e, 0x00 }, /* 3E right SPK volume */
111 	{ 0x3f, 0x00 }, /* 3F MIC config */
112 
113 	{ 0x40, 0x00 }, /* 40 MIC threshold */
114 	{ 0x41, 0x00 }, /* 41 excursion limiter filter */
115 	{ 0x42, 0x00 }, /* 42 excursion limiter threshold */
116 	{ 0x43, 0x00 }, /* 43 ALC */
117 	{ 0x44, 0x00 }, /* 44 power limiter threshold */
118 	{ 0x45, 0x00 }, /* 45 power limiter config */
119 	{ 0x46, 0x00 }, /* 46 distortion limiter config */
120 	{ 0x47, 0x00 }, /* 47 audio input */
121         { 0x48, 0x00 }, /* 48 microphone */
122 	{ 0x49, 0x00 }, /* 49 level control */
123 	{ 0x4a, 0x00 }, /* 4A bypass switches */
124 	{ 0x4b, 0x00 }, /* 4B jack detect */
125 	{ 0x4c, 0x00 }, /* 4C input enable */
126 	{ 0x4d, 0x00 }, /* 4D output enable */
127 	{ 0x4e, 0xF0 }, /* 4E bias control */
128 	{ 0x4f, 0x00 }, /* 4F DAC power */
129 
130 	{ 0x50, 0x0F }, /* 50 DAC power */
131 	{ 0x51, 0x00 }, /* 51 system */
132 	{ 0x52, 0x00 }, /* 52 DAI1 EQ1 */
133 	{ 0x53, 0x00 }, /* 53 DAI1 EQ1 */
134 	{ 0x54, 0x00 }, /* 54 DAI1 EQ1 */
135 	{ 0x55, 0x00 }, /* 55 DAI1 EQ1 */
136 	{ 0x56, 0x00 }, /* 56 DAI1 EQ1 */
137 	{ 0x57, 0x00 }, /* 57 DAI1 EQ1 */
138 	{ 0x58, 0x00 }, /* 58 DAI1 EQ1 */
139 	{ 0x59, 0x00 }, /* 59 DAI1 EQ1 */
140 	{ 0x5a, 0x00 }, /* 5A DAI1 EQ1 */
141 	{ 0x5b, 0x00 }, /* 5B DAI1 EQ1 */
142 	{ 0x5c, 0x00 }, /* 5C DAI1 EQ2 */
143 	{ 0x5d, 0x00 }, /* 5D DAI1 EQ2 */
144 	{ 0x5e, 0x00 }, /* 5E DAI1 EQ2 */
145 	{ 0x5f, 0x00 }, /* 5F DAI1 EQ2 */
146 
147 	{ 0x60, 0x00 }, /* 60 DAI1 EQ2 */
148 	{ 0x61, 0x00 }, /* 61 DAI1 EQ2 */
149 	{ 0x62, 0x00 }, /* 62 DAI1 EQ2 */
150 	{ 0x63, 0x00 }, /* 63 DAI1 EQ2 */
151 	{ 0x64, 0x00 }, /* 64 DAI1 EQ2 */
152 	{ 0x65, 0x00 }, /* 65 DAI1 EQ2 */
153 	{ 0x66, 0x00 }, /* 66 DAI1 EQ3 */
154 	{ 0x67, 0x00 }, /* 67 DAI1 EQ3 */
155 	{ 0x68, 0x00 }, /* 68 DAI1 EQ3 */
156 	{ 0x69, 0x00 }, /* 69 DAI1 EQ3 */
157 	{ 0x6a, 0x00 }, /* 6A DAI1 EQ3 */
158 	{ 0x6b, 0x00 }, /* 6B DAI1 EQ3 */
159 	{ 0x6c, 0x00 }, /* 6C DAI1 EQ3 */
160 	{ 0x6d, 0x00 }, /* 6D DAI1 EQ3 */
161 	{ 0x6e, 0x00 }, /* 6E DAI1 EQ3 */
162 	{ 0x6f, 0x00 }, /* 6F DAI1 EQ3 */
163 
164 	{ 0x70, 0x00 }, /* 70 DAI1 EQ4 */
165 	{ 0x71, 0x00 }, /* 71 DAI1 EQ4 */
166 	{ 0x72, 0x00 }, /* 72 DAI1 EQ4 */
167 	{ 0x73, 0x00 }, /* 73 DAI1 EQ4 */
168 	{ 0x74, 0x00 }, /* 74 DAI1 EQ4 */
169 	{ 0x75, 0x00 }, /* 75 DAI1 EQ4 */
170 	{ 0x76, 0x00 }, /* 76 DAI1 EQ4 */
171 	{ 0x77, 0x00 }, /* 77 DAI1 EQ4 */
172 	{ 0x78, 0x00 }, /* 78 DAI1 EQ4 */
173 	{ 0x79, 0x00 }, /* 79 DAI1 EQ4 */
174 	{ 0x7a, 0x00 }, /* 7A DAI1 EQ5 */
175 	{ 0x7b, 0x00 }, /* 7B DAI1 EQ5 */
176 	{ 0x7c, 0x00 }, /* 7C DAI1 EQ5 */
177 	{ 0x7d, 0x00 }, /* 7D DAI1 EQ5 */
178 	{ 0x7e, 0x00 }, /* 7E DAI1 EQ5 */
179 	{ 0x7f, 0x00 }, /* 7F DAI1 EQ5 */
180 
181 	{ 0x80, 0x00 }, /* 80 DAI1 EQ5 */
182 	{ 0x81, 0x00 }, /* 81 DAI1 EQ5 */
183 	{ 0x82, 0x00 }, /* 82 DAI1 EQ5 */
184 	{ 0x83, 0x00 }, /* 83 DAI1 EQ5 */
185 	{ 0x84, 0x00 }, /* 84 DAI2 EQ1 */
186 	{ 0x85, 0x00 }, /* 85 DAI2 EQ1 */
187 	{ 0x86, 0x00 }, /* 86 DAI2 EQ1 */
188 	{ 0x87, 0x00 }, /* 87 DAI2 EQ1 */
189 	{ 0x88, 0x00 }, /* 88 DAI2 EQ1 */
190 	{ 0x89, 0x00 }, /* 89 DAI2 EQ1 */
191 	{ 0x8a, 0x00 }, /* 8A DAI2 EQ1 */
192 	{ 0x8b, 0x00 }, /* 8B DAI2 EQ1 */
193 	{ 0x8c, 0x00 }, /* 8C DAI2 EQ1 */
194 	{ 0x8d, 0x00 }, /* 8D DAI2 EQ1 */
195 	{ 0x8e, 0x00 }, /* 8E DAI2 EQ2 */
196 	{ 0x8f, 0x00 }, /* 8F DAI2 EQ2 */
197 
198 	{ 0x90, 0x00 }, /* 90 DAI2 EQ2 */
199 	{ 0x91, 0x00 }, /* 91 DAI2 EQ2 */
200 	{ 0x92, 0x00 }, /* 92 DAI2 EQ2 */
201 	{ 0x93, 0x00 }, /* 93 DAI2 EQ2 */
202 	{ 0x94, 0x00 }, /* 94 DAI2 EQ2 */
203 	{ 0x95, 0x00 }, /* 95 DAI2 EQ2 */
204 	{ 0x96, 0x00 }, /* 96 DAI2 EQ2 */
205 	{ 0x97, 0x00 }, /* 97 DAI2 EQ2 */
206 	{ 0x98, 0x00 }, /* 98 DAI2 EQ3 */
207 	{ 0x99, 0x00 }, /* 99 DAI2 EQ3 */
208 	{ 0x9a, 0x00 }, /* 9A DAI2 EQ3 */
209         { 0x9b, 0x00 }, /* 9B DAI2 EQ3 */
210 	{ 0x9c, 0x00 }, /* 9C DAI2 EQ3 */
211 	{ 0x9d, 0x00 }, /* 9D DAI2 EQ3 */
212 	{ 0x9e, 0x00 }, /* 9E DAI2 EQ3 */
213 	{ 0x9f, 0x00 }, /* 9F DAI2 EQ3 */
214 
215 	{ 0xa0, 0x00 }, /* A0 DAI2 EQ3 */
216 	{ 0xa1, 0x00 }, /* A1 DAI2 EQ3 */
217 	{ 0xa2, 0x00 }, /* A2 DAI2 EQ4 */
218 	{ 0xa3, 0x00 }, /* A3 DAI2 EQ4 */
219 	{ 0xa4, 0x00 }, /* A4 DAI2 EQ4 */
220 	{ 0xa5, 0x00 }, /* A5 DAI2 EQ4 */
221 	{ 0xa6, 0x00 }, /* A6 DAI2 EQ4 */
222 	{ 0xa7, 0x00 }, /* A7 DAI2 EQ4 */
223 	{ 0xa8, 0x00 }, /* A8 DAI2 EQ4 */
224 	{ 0xa9, 0x00 }, /* A9 DAI2 EQ4 */
225 	{ 0xaa, 0x00 }, /* AA DAI2 EQ4 */
226 	{ 0xab, 0x00 }, /* AB DAI2 EQ4 */
227 	{ 0xac, 0x00 }, /* AC DAI2 EQ5 */
228 	{ 0xad, 0x00 }, /* AD DAI2 EQ5 */
229 	{ 0xae, 0x00 }, /* AE DAI2 EQ5 */
230 	{ 0xaf, 0x00 }, /* AF DAI2 EQ5 */
231 
232 	{ 0xb0, 0x00 }, /* B0 DAI2 EQ5 */
233 	{ 0xb1, 0x00 }, /* B1 DAI2 EQ5 */
234 	{ 0xb2, 0x00 }, /* B2 DAI2 EQ5 */
235 	{ 0xb3, 0x00 }, /* B3 DAI2 EQ5 */
236 	{ 0xb4, 0x00 }, /* B4 DAI2 EQ5 */
237 	{ 0xb5, 0x00 }, /* B5 DAI2 EQ5 */
238 	{ 0xb6, 0x00 }, /* B6 DAI1 biquad */
239 	{ 0xb7, 0x00 }, /* B7 DAI1 biquad */
240 	{ 0xb8 ,0x00 }, /* B8 DAI1 biquad */
241 	{ 0xb9, 0x00 }, /* B9 DAI1 biquad */
242 	{ 0xba, 0x00 }, /* BA DAI1 biquad */
243 	{ 0xbb, 0x00 }, /* BB DAI1 biquad */
244 	{ 0xbc, 0x00 }, /* BC DAI1 biquad */
245 	{ 0xbd, 0x00 }, /* BD DAI1 biquad */
246 	{ 0xbe, 0x00 }, /* BE DAI1 biquad */
247         { 0xbf, 0x00 }, /* BF DAI1 biquad */
248 
249 	{ 0xc0, 0x00 }, /* C0 DAI2 biquad */
250 	{ 0xc1, 0x00 }, /* C1 DAI2 biquad */
251 	{ 0xc2, 0x00 }, /* C2 DAI2 biquad */
252 	{ 0xc3, 0x00 }, /* C3 DAI2 biquad */
253 	{ 0xc4, 0x00 }, /* C4 DAI2 biquad */
254 	{ 0xc5, 0x00 }, /* C5 DAI2 biquad */
255 	{ 0xc6, 0x00 }, /* C6 DAI2 biquad */
256 	{ 0xc7, 0x00 }, /* C7 DAI2 biquad */
257 	{ 0xc8, 0x00 }, /* C8 DAI2 biquad */
258 	{ 0xc9, 0x00 }, /* C9 DAI2 biquad */
259 };
260 
261 static bool max98088_readable_register(struct device *dev, unsigned int reg)
262 {
263 	switch (reg) {
264 	case M98088_REG_00_IRQ_STATUS ... 0xC9:
265 	case M98088_REG_FF_REV_ID:
266 		return true;
267 	default:
268 		return false;
269 	}
270 }
271 
272 static bool max98088_writeable_register(struct device *dev, unsigned int reg)
273 {
274 	switch (reg) {
275 	case M98088_REG_03_BATTERY_VOLTAGE ... 0xC9:
276 		return true;
277 	default:
278 		return false;
279 	}
280 }
281 
282 static bool max98088_volatile_register(struct device *dev, unsigned int reg)
283 {
284 	switch (reg) {
285 	case M98088_REG_00_IRQ_STATUS ... M98088_REG_03_BATTERY_VOLTAGE:
286 	case M98088_REG_FF_REV_ID:
287 		return true;
288 	default:
289 		return false;
290 	}
291 }
292 
293 static const struct regmap_config max98088_regmap = {
294 	.reg_bits = 8,
295 	.val_bits = 8,
296 
297 	.readable_reg = max98088_readable_register,
298 	.writeable_reg = max98088_writeable_register,
299 	.volatile_reg = max98088_volatile_register,
300 	.max_register = 0xff,
301 
302 	.reg_defaults = max98088_reg,
303 	.num_reg_defaults = ARRAY_SIZE(max98088_reg),
304 	.cache_type = REGCACHE_RBTREE,
305 };
306 
307 /*
308  * Load equalizer DSP coefficient configurations registers
309  */
310 static void m98088_eq_band(struct snd_soc_component *component, unsigned int dai,
311                    unsigned int band, u16 *coefs)
312 {
313        unsigned int eq_reg;
314        unsigned int i;
315 
316 	if (WARN_ON(band > 4) ||
317 	    WARN_ON(dai > 1))
318 		return;
319 
320        /* Load the base register address */
321        eq_reg = dai ? M98088_REG_84_DAI2_EQ_BASE : M98088_REG_52_DAI1_EQ_BASE;
322 
323        /* Add the band address offset, note adjustment for word address */
324        eq_reg += band * (M98088_COEFS_PER_BAND << 1);
325 
326        /* Step through the registers and coefs */
327        for (i = 0; i < M98088_COEFS_PER_BAND; i++) {
328                snd_soc_component_write(component, eq_reg++, M98088_BYTE1(coefs[i]));
329                snd_soc_component_write(component, eq_reg++, M98088_BYTE0(coefs[i]));
330        }
331 }
332 
333 /*
334  * Excursion limiter modes
335  */
336 static const char *max98088_exmode_texts[] = {
337        "Off", "100Hz", "400Hz", "600Hz", "800Hz", "1000Hz", "200-400Hz",
338        "400-600Hz", "400-800Hz",
339 };
340 
341 static const unsigned int max98088_exmode_values[] = {
342        0x00, 0x43, 0x10, 0x20, 0x30, 0x40, 0x11, 0x22, 0x32
343 };
344 
345 static SOC_VALUE_ENUM_SINGLE_DECL(max98088_exmode_enum,
346 				  M98088_REG_41_SPKDHP, 0, 127,
347 				  max98088_exmode_texts,
348 				  max98088_exmode_values);
349 
350 static const char *max98088_ex_thresh[] = { /* volts PP */
351        "0.6", "1.2", "1.8", "2.4", "3.0", "3.6", "4.2", "4.8"};
352 static SOC_ENUM_SINGLE_DECL(max98088_ex_thresh_enum,
353 			    M98088_REG_42_SPKDHP_THRESH, 0,
354 			    max98088_ex_thresh);
355 
356 static const char *max98088_fltr_mode[] = {"Voice", "Music" };
357 static SOC_ENUM_SINGLE_DECL(max98088_filter_mode_enum,
358 			    M98088_REG_18_DAI1_FILTERS, 7,
359 			    max98088_fltr_mode);
360 
361 static const char *max98088_extmic_text[] = { "None", "MIC1", "MIC2" };
362 
363 static SOC_ENUM_SINGLE_DECL(max98088_extmic_enum,
364 			    M98088_REG_48_CFG_MIC, 0,
365 			    max98088_extmic_text);
366 
367 static const struct snd_kcontrol_new max98088_extmic_mux =
368        SOC_DAPM_ENUM("External MIC Mux", max98088_extmic_enum);
369 
370 static const char *max98088_dai1_fltr[] = {
371        "Off", "fc=258/fs=16k", "fc=500/fs=16k",
372        "fc=258/fs=8k", "fc=500/fs=8k", "fc=200"};
373 static SOC_ENUM_SINGLE_DECL(max98088_dai1_dac_filter_enum,
374 			    M98088_REG_18_DAI1_FILTERS, 0,
375 			    max98088_dai1_fltr);
376 static SOC_ENUM_SINGLE_DECL(max98088_dai1_adc_filter_enum,
377 			    M98088_REG_18_DAI1_FILTERS, 4,
378 			    max98088_dai1_fltr);
379 
380 static int max98088_mic1pre_set(struct snd_kcontrol *kcontrol,
381                                struct snd_ctl_elem_value *ucontrol)
382 {
383        struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol);
384        struct max98088_priv *max98088 = snd_soc_component_get_drvdata(component);
385        unsigned int sel = ucontrol->value.integer.value[0];
386 
387        max98088->mic1pre = sel;
388        snd_soc_component_update_bits(component, M98088_REG_35_LVL_MIC1, M98088_MICPRE_MASK,
389                (1+sel)<<M98088_MICPRE_SHIFT);
390 
391        return 0;
392 }
393 
394 static int max98088_mic1pre_get(struct snd_kcontrol *kcontrol,
395                                struct snd_ctl_elem_value *ucontrol)
396 {
397        struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol);
398        struct max98088_priv *max98088 = snd_soc_component_get_drvdata(component);
399 
400        ucontrol->value.integer.value[0] = max98088->mic1pre;
401        return 0;
402 }
403 
404 static int max98088_mic2pre_set(struct snd_kcontrol *kcontrol,
405                                struct snd_ctl_elem_value *ucontrol)
406 {
407        struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol);
408        struct max98088_priv *max98088 = snd_soc_component_get_drvdata(component);
409        unsigned int sel = ucontrol->value.integer.value[0];
410 
411        max98088->mic2pre = sel;
412        snd_soc_component_update_bits(component, M98088_REG_36_LVL_MIC2, M98088_MICPRE_MASK,
413                (1+sel)<<M98088_MICPRE_SHIFT);
414 
415        return 0;
416 }
417 
418 static int max98088_mic2pre_get(struct snd_kcontrol *kcontrol,
419                                struct snd_ctl_elem_value *ucontrol)
420 {
421        struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol);
422        struct max98088_priv *max98088 = snd_soc_component_get_drvdata(component);
423 
424        ucontrol->value.integer.value[0] = max98088->mic2pre;
425        return 0;
426 }
427 
428 static const DECLARE_TLV_DB_RANGE(max98088_micboost_tlv,
429 	0, 1, TLV_DB_SCALE_ITEM(0, 2000, 0),
430 	2, 2, TLV_DB_SCALE_ITEM(3000, 0, 0)
431 );
432 
433 static const DECLARE_TLV_DB_RANGE(max98088_hp_tlv,
434 	0, 6, TLV_DB_SCALE_ITEM(-6700, 400, 0),
435 	7, 14, TLV_DB_SCALE_ITEM(-4000, 300, 0),
436 	15, 21, TLV_DB_SCALE_ITEM(-1700, 200, 0),
437 	22, 27, TLV_DB_SCALE_ITEM(-400, 100, 0),
438 	28, 31, TLV_DB_SCALE_ITEM(150, 50, 0)
439 );
440 
441 static const DECLARE_TLV_DB_RANGE(max98088_spk_tlv,
442 	0, 6, TLV_DB_SCALE_ITEM(-6200, 400, 0),
443 	7, 14, TLV_DB_SCALE_ITEM(-3500, 300, 0),
444 	15, 21, TLV_DB_SCALE_ITEM(-1200, 200, 0),
445 	22, 27, TLV_DB_SCALE_ITEM(100, 100, 0),
446 	28, 31, TLV_DB_SCALE_ITEM(650, 50, 0)
447 );
448 
449 static const struct snd_kcontrol_new max98088_snd_controls[] = {
450 
451 	SOC_DOUBLE_R_TLV("Headphone Volume", M98088_REG_39_LVL_HP_L,
452 			 M98088_REG_3A_LVL_HP_R, 0, 31, 0, max98088_hp_tlv),
453 	SOC_DOUBLE_R_TLV("Speaker Volume", M98088_REG_3D_LVL_SPK_L,
454 			 M98088_REG_3E_LVL_SPK_R, 0, 31, 0, max98088_spk_tlv),
455 	SOC_DOUBLE_R_TLV("Receiver Volume", M98088_REG_3B_LVL_REC_L,
456 			 M98088_REG_3C_LVL_REC_R, 0, 31, 0, max98088_spk_tlv),
457 
458        SOC_DOUBLE_R("Headphone Switch", M98088_REG_39_LVL_HP_L,
459                M98088_REG_3A_LVL_HP_R, 7, 1, 1),
460        SOC_DOUBLE_R("Speaker Switch", M98088_REG_3D_LVL_SPK_L,
461                M98088_REG_3E_LVL_SPK_R, 7, 1, 1),
462        SOC_DOUBLE_R("Receiver Switch", M98088_REG_3B_LVL_REC_L,
463                M98088_REG_3C_LVL_REC_R, 7, 1, 1),
464 
465        SOC_SINGLE("MIC1 Volume", M98088_REG_35_LVL_MIC1, 0, 31, 1),
466        SOC_SINGLE("MIC2 Volume", M98088_REG_36_LVL_MIC2, 0, 31, 1),
467 
468        SOC_SINGLE_EXT_TLV("MIC1 Boost Volume",
469                        M98088_REG_35_LVL_MIC1, 5, 2, 0,
470                        max98088_mic1pre_get, max98088_mic1pre_set,
471                        max98088_micboost_tlv),
472        SOC_SINGLE_EXT_TLV("MIC2 Boost Volume",
473                        M98088_REG_36_LVL_MIC2, 5, 2, 0,
474                        max98088_mic2pre_get, max98088_mic2pre_set,
475                        max98088_micboost_tlv),
476 
477        SOC_SINGLE("INA Volume", M98088_REG_37_LVL_INA, 0, 7, 1),
478        SOC_SINGLE("INB Volume", M98088_REG_38_LVL_INB, 0, 7, 1),
479 
480        SOC_SINGLE("ADCL Volume", M98088_REG_33_LVL_ADC_L, 0, 15, 0),
481        SOC_SINGLE("ADCR Volume", M98088_REG_34_LVL_ADC_R, 0, 15, 0),
482 
483        SOC_SINGLE("ADCL Boost Volume", M98088_REG_33_LVL_ADC_L, 4, 3, 0),
484        SOC_SINGLE("ADCR Boost Volume", M98088_REG_34_LVL_ADC_R, 4, 3, 0),
485 
486        SOC_SINGLE("EQ1 Switch", M98088_REG_49_CFG_LEVEL, 0, 1, 0),
487        SOC_SINGLE("EQ2 Switch", M98088_REG_49_CFG_LEVEL, 1, 1, 0),
488 
489        SOC_ENUM("EX Limiter Mode", max98088_exmode_enum),
490        SOC_ENUM("EX Limiter Threshold", max98088_ex_thresh_enum),
491 
492        SOC_ENUM("DAI1 Filter Mode", max98088_filter_mode_enum),
493        SOC_ENUM("DAI1 DAC Filter", max98088_dai1_dac_filter_enum),
494        SOC_ENUM("DAI1 ADC Filter", max98088_dai1_adc_filter_enum),
495        SOC_SINGLE("DAI2 DC Block Switch", M98088_REG_20_DAI2_FILTERS,
496                0, 1, 0),
497 
498        SOC_SINGLE("ALC Switch", M98088_REG_43_SPKALC_COMP, 7, 1, 0),
499        SOC_SINGLE("ALC Threshold", M98088_REG_43_SPKALC_COMP, 0, 7, 0),
500        SOC_SINGLE("ALC Multiband", M98088_REG_43_SPKALC_COMP, 3, 1, 0),
501        SOC_SINGLE("ALC Release Time", M98088_REG_43_SPKALC_COMP, 4, 7, 0),
502 
503        SOC_SINGLE("PWR Limiter Threshold", M98088_REG_44_PWRLMT_CFG,
504                4, 15, 0),
505        SOC_SINGLE("PWR Limiter Weight", M98088_REG_44_PWRLMT_CFG, 0, 7, 0),
506        SOC_SINGLE("PWR Limiter Time1", M98088_REG_45_PWRLMT_TIME, 0, 15, 0),
507        SOC_SINGLE("PWR Limiter Time2", M98088_REG_45_PWRLMT_TIME, 4, 15, 0),
508 
509        SOC_SINGLE("THD Limiter Threshold", M98088_REG_46_THDLMT_CFG, 4, 15, 0),
510        SOC_SINGLE("THD Limiter Time", M98088_REG_46_THDLMT_CFG, 0, 7, 0),
511 };
512 
513 /* Left speaker mixer switch */
514 static const struct snd_kcontrol_new max98088_left_speaker_mixer_controls[] = {
515        SOC_DAPM_SINGLE("Left DAC1 Switch", M98088_REG_2B_MIX_SPK_LEFT, 0, 1, 0),
516        SOC_DAPM_SINGLE("Right DAC1 Switch", M98088_REG_2B_MIX_SPK_LEFT, 7, 1, 0),
517        SOC_DAPM_SINGLE("Left DAC2 Switch", M98088_REG_2B_MIX_SPK_LEFT, 0, 1, 0),
518        SOC_DAPM_SINGLE("Right DAC2 Switch", M98088_REG_2B_MIX_SPK_LEFT, 7, 1, 0),
519        SOC_DAPM_SINGLE("MIC1 Switch", M98088_REG_2B_MIX_SPK_LEFT, 5, 1, 0),
520        SOC_DAPM_SINGLE("MIC2 Switch", M98088_REG_2B_MIX_SPK_LEFT, 6, 1, 0),
521        SOC_DAPM_SINGLE("INA1 Switch", M98088_REG_2B_MIX_SPK_LEFT, 1, 1, 0),
522        SOC_DAPM_SINGLE("INA2 Switch", M98088_REG_2B_MIX_SPK_LEFT, 2, 1, 0),
523        SOC_DAPM_SINGLE("INB1 Switch", M98088_REG_2B_MIX_SPK_LEFT, 3, 1, 0),
524        SOC_DAPM_SINGLE("INB2 Switch", M98088_REG_2B_MIX_SPK_LEFT, 4, 1, 0),
525 };
526 
527 /* Right speaker mixer switch */
528 static const struct snd_kcontrol_new max98088_right_speaker_mixer_controls[] = {
529        SOC_DAPM_SINGLE("Left DAC1 Switch", M98088_REG_2C_MIX_SPK_RIGHT, 7, 1, 0),
530        SOC_DAPM_SINGLE("Right DAC1 Switch", M98088_REG_2C_MIX_SPK_RIGHT, 0, 1, 0),
531        SOC_DAPM_SINGLE("Left DAC2 Switch", M98088_REG_2C_MIX_SPK_RIGHT, 7, 1, 0),
532        SOC_DAPM_SINGLE("Right DAC2 Switch", M98088_REG_2C_MIX_SPK_RIGHT, 0, 1, 0),
533        SOC_DAPM_SINGLE("MIC1 Switch", M98088_REG_2C_MIX_SPK_RIGHT, 5, 1, 0),
534        SOC_DAPM_SINGLE("MIC2 Switch", M98088_REG_2C_MIX_SPK_RIGHT, 6, 1, 0),
535        SOC_DAPM_SINGLE("INA1 Switch", M98088_REG_2C_MIX_SPK_RIGHT, 1, 1, 0),
536        SOC_DAPM_SINGLE("INA2 Switch", M98088_REG_2C_MIX_SPK_RIGHT, 2, 1, 0),
537        SOC_DAPM_SINGLE("INB1 Switch", M98088_REG_2C_MIX_SPK_RIGHT, 3, 1, 0),
538        SOC_DAPM_SINGLE("INB2 Switch", M98088_REG_2C_MIX_SPK_RIGHT, 4, 1, 0),
539 };
540 
541 /* Left headphone mixer switch */
542 static const struct snd_kcontrol_new max98088_left_hp_mixer_controls[] = {
543        SOC_DAPM_SINGLE("Left DAC1 Switch", M98088_REG_25_MIX_HP_LEFT, 0, 1, 0),
544        SOC_DAPM_SINGLE("Right DAC1 Switch", M98088_REG_25_MIX_HP_LEFT, 7, 1, 0),
545        SOC_DAPM_SINGLE("Left DAC2 Switch", M98088_REG_25_MIX_HP_LEFT, 0, 1, 0),
546        SOC_DAPM_SINGLE("Right DAC2 Switch", M98088_REG_25_MIX_HP_LEFT, 7, 1, 0),
547        SOC_DAPM_SINGLE("MIC1 Switch", M98088_REG_25_MIX_HP_LEFT, 5, 1, 0),
548        SOC_DAPM_SINGLE("MIC2 Switch", M98088_REG_25_MIX_HP_LEFT, 6, 1, 0),
549        SOC_DAPM_SINGLE("INA1 Switch", M98088_REG_25_MIX_HP_LEFT, 1, 1, 0),
550        SOC_DAPM_SINGLE("INA2 Switch", M98088_REG_25_MIX_HP_LEFT, 2, 1, 0),
551        SOC_DAPM_SINGLE("INB1 Switch", M98088_REG_25_MIX_HP_LEFT, 3, 1, 0),
552        SOC_DAPM_SINGLE("INB2 Switch", M98088_REG_25_MIX_HP_LEFT, 4, 1, 0),
553 };
554 
555 /* Right headphone mixer switch */
556 static const struct snd_kcontrol_new max98088_right_hp_mixer_controls[] = {
557        SOC_DAPM_SINGLE("Left DAC1 Switch", M98088_REG_26_MIX_HP_RIGHT, 7, 1, 0),
558        SOC_DAPM_SINGLE("Right DAC1 Switch", M98088_REG_26_MIX_HP_RIGHT, 0, 1, 0),
559        SOC_DAPM_SINGLE("Left DAC2 Switch", M98088_REG_26_MIX_HP_RIGHT, 7, 1, 0),
560        SOC_DAPM_SINGLE("Right DAC2 Switch", M98088_REG_26_MIX_HP_RIGHT, 0, 1, 0),
561        SOC_DAPM_SINGLE("MIC1 Switch", M98088_REG_26_MIX_HP_RIGHT, 5, 1, 0),
562        SOC_DAPM_SINGLE("MIC2 Switch", M98088_REG_26_MIX_HP_RIGHT, 6, 1, 0),
563        SOC_DAPM_SINGLE("INA1 Switch", M98088_REG_26_MIX_HP_RIGHT, 1, 1, 0),
564        SOC_DAPM_SINGLE("INA2 Switch", M98088_REG_26_MIX_HP_RIGHT, 2, 1, 0),
565        SOC_DAPM_SINGLE("INB1 Switch", M98088_REG_26_MIX_HP_RIGHT, 3, 1, 0),
566        SOC_DAPM_SINGLE("INB2 Switch", M98088_REG_26_MIX_HP_RIGHT, 4, 1, 0),
567 };
568 
569 /* Left earpiece/receiver mixer switch */
570 static const struct snd_kcontrol_new max98088_left_rec_mixer_controls[] = {
571        SOC_DAPM_SINGLE("Left DAC1 Switch", M98088_REG_28_MIX_REC_LEFT, 0, 1, 0),
572        SOC_DAPM_SINGLE("Right DAC1 Switch", M98088_REG_28_MIX_REC_LEFT, 7, 1, 0),
573        SOC_DAPM_SINGLE("Left DAC2 Switch", M98088_REG_28_MIX_REC_LEFT, 0, 1, 0),
574        SOC_DAPM_SINGLE("Right DAC2 Switch", M98088_REG_28_MIX_REC_LEFT, 7, 1, 0),
575        SOC_DAPM_SINGLE("MIC1 Switch", M98088_REG_28_MIX_REC_LEFT, 5, 1, 0),
576        SOC_DAPM_SINGLE("MIC2 Switch", M98088_REG_28_MIX_REC_LEFT, 6, 1, 0),
577        SOC_DAPM_SINGLE("INA1 Switch", M98088_REG_28_MIX_REC_LEFT, 1, 1, 0),
578        SOC_DAPM_SINGLE("INA2 Switch", M98088_REG_28_MIX_REC_LEFT, 2, 1, 0),
579        SOC_DAPM_SINGLE("INB1 Switch", M98088_REG_28_MIX_REC_LEFT, 3, 1, 0),
580        SOC_DAPM_SINGLE("INB2 Switch", M98088_REG_28_MIX_REC_LEFT, 4, 1, 0),
581 };
582 
583 /* Right earpiece/receiver mixer switch */
584 static const struct snd_kcontrol_new max98088_right_rec_mixer_controls[] = {
585        SOC_DAPM_SINGLE("Left DAC1 Switch", M98088_REG_29_MIX_REC_RIGHT, 7, 1, 0),
586        SOC_DAPM_SINGLE("Right DAC1 Switch", M98088_REG_29_MIX_REC_RIGHT, 0, 1, 0),
587        SOC_DAPM_SINGLE("Left DAC2 Switch", M98088_REG_29_MIX_REC_RIGHT, 7, 1, 0),
588        SOC_DAPM_SINGLE("Right DAC2 Switch", M98088_REG_29_MIX_REC_RIGHT, 0, 1, 0),
589        SOC_DAPM_SINGLE("MIC1 Switch", M98088_REG_29_MIX_REC_RIGHT, 5, 1, 0),
590        SOC_DAPM_SINGLE("MIC2 Switch", M98088_REG_29_MIX_REC_RIGHT, 6, 1, 0),
591        SOC_DAPM_SINGLE("INA1 Switch", M98088_REG_29_MIX_REC_RIGHT, 1, 1, 0),
592        SOC_DAPM_SINGLE("INA2 Switch", M98088_REG_29_MIX_REC_RIGHT, 2, 1, 0),
593        SOC_DAPM_SINGLE("INB1 Switch", M98088_REG_29_MIX_REC_RIGHT, 3, 1, 0),
594        SOC_DAPM_SINGLE("INB2 Switch", M98088_REG_29_MIX_REC_RIGHT, 4, 1, 0),
595 };
596 
597 /* Left ADC mixer switch */
598 static const struct snd_kcontrol_new max98088_left_ADC_mixer_controls[] = {
599        SOC_DAPM_SINGLE("MIC1 Switch", M98088_REG_23_MIX_ADC_LEFT, 7, 1, 0),
600        SOC_DAPM_SINGLE("MIC2 Switch", M98088_REG_23_MIX_ADC_LEFT, 6, 1, 0),
601        SOC_DAPM_SINGLE("INA1 Switch", M98088_REG_23_MIX_ADC_LEFT, 3, 1, 0),
602        SOC_DAPM_SINGLE("INA2 Switch", M98088_REG_23_MIX_ADC_LEFT, 2, 1, 0),
603        SOC_DAPM_SINGLE("INB1 Switch", M98088_REG_23_MIX_ADC_LEFT, 1, 1, 0),
604        SOC_DAPM_SINGLE("INB2 Switch", M98088_REG_23_MIX_ADC_LEFT, 0, 1, 0),
605 };
606 
607 /* Right ADC mixer switch */
608 static const struct snd_kcontrol_new max98088_right_ADC_mixer_controls[] = {
609        SOC_DAPM_SINGLE("MIC1 Switch", M98088_REG_24_MIX_ADC_RIGHT, 7, 1, 0),
610        SOC_DAPM_SINGLE("MIC2 Switch", M98088_REG_24_MIX_ADC_RIGHT, 6, 1, 0),
611        SOC_DAPM_SINGLE("INA1 Switch", M98088_REG_24_MIX_ADC_RIGHT, 3, 1, 0),
612        SOC_DAPM_SINGLE("INA2 Switch", M98088_REG_24_MIX_ADC_RIGHT, 2, 1, 0),
613        SOC_DAPM_SINGLE("INB1 Switch", M98088_REG_24_MIX_ADC_RIGHT, 1, 1, 0),
614        SOC_DAPM_SINGLE("INB2 Switch", M98088_REG_24_MIX_ADC_RIGHT, 0, 1, 0),
615 };
616 
617 static int max98088_mic_event(struct snd_soc_dapm_widget *w,
618                             struct snd_kcontrol *kcontrol, int event)
619 {
620        struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm);
621        struct max98088_priv *max98088 = snd_soc_component_get_drvdata(component);
622 
623        switch (event) {
624        case SND_SOC_DAPM_POST_PMU:
625                if (w->reg == M98088_REG_35_LVL_MIC1) {
626                        snd_soc_component_update_bits(component, w->reg, M98088_MICPRE_MASK,
627                                (1+max98088->mic1pre)<<M98088_MICPRE_SHIFT);
628                } else {
629                        snd_soc_component_update_bits(component, w->reg, M98088_MICPRE_MASK,
630                                (1+max98088->mic2pre)<<M98088_MICPRE_SHIFT);
631                }
632                break;
633        case SND_SOC_DAPM_POST_PMD:
634                snd_soc_component_update_bits(component, w->reg, M98088_MICPRE_MASK, 0);
635                break;
636        default:
637                return -EINVAL;
638        }
639 
640        return 0;
641 }
642 
643 /*
644  * The line inputs are 2-channel stereo inputs with the left
645  * and right channels sharing a common PGA power control signal.
646  */
647 static int max98088_line_pga(struct snd_soc_dapm_widget *w,
648                             int event, int line, u8 channel)
649 {
650        struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm);
651        struct max98088_priv *max98088 = snd_soc_component_get_drvdata(component);
652        u8 *state;
653 
654 	if (WARN_ON(!(channel == 1 || channel == 2)))
655 		return -EINVAL;
656 
657        switch (line) {
658        case LINE_INA:
659                state = &max98088->ina_state;
660                break;
661        case LINE_INB:
662                state = &max98088->inb_state;
663                break;
664        default:
665                return -EINVAL;
666        }
667 
668        switch (event) {
669        case SND_SOC_DAPM_POST_PMU:
670                *state |= channel;
671                snd_soc_component_update_bits(component, w->reg,
672                        (1 << w->shift), (1 << w->shift));
673                break;
674        case SND_SOC_DAPM_POST_PMD:
675                *state &= ~channel;
676                if (*state == 0) {
677                        snd_soc_component_update_bits(component, w->reg,
678                                (1 << w->shift), 0);
679                }
680                break;
681        default:
682                return -EINVAL;
683        }
684 
685        return 0;
686 }
687 
688 static int max98088_pga_ina1_event(struct snd_soc_dapm_widget *w,
689                                   struct snd_kcontrol *k, int event)
690 {
691        return max98088_line_pga(w, event, LINE_INA, 1);
692 }
693 
694 static int max98088_pga_ina2_event(struct snd_soc_dapm_widget *w,
695                                   struct snd_kcontrol *k, int event)
696 {
697        return max98088_line_pga(w, event, LINE_INA, 2);
698 }
699 
700 static int max98088_pga_inb1_event(struct snd_soc_dapm_widget *w,
701                                   struct snd_kcontrol *k, int event)
702 {
703        return max98088_line_pga(w, event, LINE_INB, 1);
704 }
705 
706 static int max98088_pga_inb2_event(struct snd_soc_dapm_widget *w,
707                                   struct snd_kcontrol *k, int event)
708 {
709        return max98088_line_pga(w, event, LINE_INB, 2);
710 }
711 
712 static const struct snd_soc_dapm_widget max98088_dapm_widgets[] = {
713 
714        SND_SOC_DAPM_ADC("ADCL", "HiFi Capture", M98088_REG_4C_PWR_EN_IN, 1, 0),
715        SND_SOC_DAPM_ADC("ADCR", "HiFi Capture", M98088_REG_4C_PWR_EN_IN, 0, 0),
716 
717        SND_SOC_DAPM_DAC("DACL1", "HiFi Playback",
718                M98088_REG_4D_PWR_EN_OUT, 1, 0),
719        SND_SOC_DAPM_DAC("DACR1", "HiFi Playback",
720                M98088_REG_4D_PWR_EN_OUT, 0, 0),
721        SND_SOC_DAPM_DAC("DACL2", "Aux Playback",
722                M98088_REG_4D_PWR_EN_OUT, 1, 0),
723        SND_SOC_DAPM_DAC("DACR2", "Aux Playback",
724                M98088_REG_4D_PWR_EN_OUT, 0, 0),
725 
726        SND_SOC_DAPM_PGA("HP Left Out", M98088_REG_4D_PWR_EN_OUT,
727                7, 0, NULL, 0),
728        SND_SOC_DAPM_PGA("HP Right Out", M98088_REG_4D_PWR_EN_OUT,
729                6, 0, NULL, 0),
730 
731        SND_SOC_DAPM_PGA("SPK Left Out", M98088_REG_4D_PWR_EN_OUT,
732                5, 0, NULL, 0),
733        SND_SOC_DAPM_PGA("SPK Right Out", M98088_REG_4D_PWR_EN_OUT,
734                4, 0, NULL, 0),
735 
736        SND_SOC_DAPM_PGA("REC Left Out", M98088_REG_4D_PWR_EN_OUT,
737                3, 0, NULL, 0),
738        SND_SOC_DAPM_PGA("REC Right Out", M98088_REG_4D_PWR_EN_OUT,
739                2, 0, NULL, 0),
740 
741        SND_SOC_DAPM_MUX("External MIC", SND_SOC_NOPM, 0, 0,
742                &max98088_extmic_mux),
743 
744        SND_SOC_DAPM_MIXER("Left HP Mixer", SND_SOC_NOPM, 0, 0,
745                &max98088_left_hp_mixer_controls[0],
746                ARRAY_SIZE(max98088_left_hp_mixer_controls)),
747 
748        SND_SOC_DAPM_MIXER("Right HP Mixer", SND_SOC_NOPM, 0, 0,
749                &max98088_right_hp_mixer_controls[0],
750                ARRAY_SIZE(max98088_right_hp_mixer_controls)),
751 
752        SND_SOC_DAPM_MIXER("Left SPK Mixer", SND_SOC_NOPM, 0, 0,
753                &max98088_left_speaker_mixer_controls[0],
754                ARRAY_SIZE(max98088_left_speaker_mixer_controls)),
755 
756        SND_SOC_DAPM_MIXER("Right SPK Mixer", SND_SOC_NOPM, 0, 0,
757                &max98088_right_speaker_mixer_controls[0],
758                ARRAY_SIZE(max98088_right_speaker_mixer_controls)),
759 
760        SND_SOC_DAPM_MIXER("Left REC Mixer", SND_SOC_NOPM, 0, 0,
761          &max98088_left_rec_mixer_controls[0],
762                ARRAY_SIZE(max98088_left_rec_mixer_controls)),
763 
764        SND_SOC_DAPM_MIXER("Right REC Mixer", SND_SOC_NOPM, 0, 0,
765          &max98088_right_rec_mixer_controls[0],
766                ARRAY_SIZE(max98088_right_rec_mixer_controls)),
767 
768        SND_SOC_DAPM_MIXER("Left ADC Mixer", SND_SOC_NOPM, 0, 0,
769                &max98088_left_ADC_mixer_controls[0],
770                ARRAY_SIZE(max98088_left_ADC_mixer_controls)),
771 
772        SND_SOC_DAPM_MIXER("Right ADC Mixer", SND_SOC_NOPM, 0, 0,
773                &max98088_right_ADC_mixer_controls[0],
774                ARRAY_SIZE(max98088_right_ADC_mixer_controls)),
775 
776        SND_SOC_DAPM_PGA_E("MIC1 Input", M98088_REG_35_LVL_MIC1,
777                5, 0, NULL, 0, max98088_mic_event,
778                SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD),
779 
780        SND_SOC_DAPM_PGA_E("MIC2 Input", M98088_REG_36_LVL_MIC2,
781                5, 0, NULL, 0, max98088_mic_event,
782                SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD),
783 
784        SND_SOC_DAPM_PGA_E("INA1 Input", M98088_REG_4C_PWR_EN_IN,
785                7, 0, NULL, 0, max98088_pga_ina1_event,
786                SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD),
787 
788        SND_SOC_DAPM_PGA_E("INA2 Input", M98088_REG_4C_PWR_EN_IN,
789                7, 0, NULL, 0, max98088_pga_ina2_event,
790                SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD),
791 
792        SND_SOC_DAPM_PGA_E("INB1 Input", M98088_REG_4C_PWR_EN_IN,
793                6, 0, NULL, 0, max98088_pga_inb1_event,
794                SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD),
795 
796        SND_SOC_DAPM_PGA_E("INB2 Input", M98088_REG_4C_PWR_EN_IN,
797                6, 0, NULL, 0, max98088_pga_inb2_event,
798                SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD),
799 
800        SND_SOC_DAPM_MICBIAS("MICBIAS", M98088_REG_4C_PWR_EN_IN, 3, 0),
801 
802        SND_SOC_DAPM_OUTPUT("HPL"),
803        SND_SOC_DAPM_OUTPUT("HPR"),
804        SND_SOC_DAPM_OUTPUT("SPKL"),
805        SND_SOC_DAPM_OUTPUT("SPKR"),
806        SND_SOC_DAPM_OUTPUT("RECL"),
807        SND_SOC_DAPM_OUTPUT("RECR"),
808 
809        SND_SOC_DAPM_INPUT("MIC1"),
810        SND_SOC_DAPM_INPUT("MIC2"),
811        SND_SOC_DAPM_INPUT("INA1"),
812        SND_SOC_DAPM_INPUT("INA2"),
813        SND_SOC_DAPM_INPUT("INB1"),
814        SND_SOC_DAPM_INPUT("INB2"),
815 };
816 
817 static const struct snd_soc_dapm_route max98088_audio_map[] = {
818        /* Left headphone output mixer */
819        {"Left HP Mixer", "Left DAC1 Switch", "DACL1"},
820        {"Left HP Mixer", "Left DAC2 Switch", "DACL2"},
821        {"Left HP Mixer", "Right DAC1 Switch", "DACR1"},
822        {"Left HP Mixer", "Right DAC2 Switch", "DACR2"},
823        {"Left HP Mixer", "MIC1 Switch", "MIC1 Input"},
824        {"Left HP Mixer", "MIC2 Switch", "MIC2 Input"},
825        {"Left HP Mixer", "INA1 Switch", "INA1 Input"},
826        {"Left HP Mixer", "INA2 Switch", "INA2 Input"},
827        {"Left HP Mixer", "INB1 Switch", "INB1 Input"},
828        {"Left HP Mixer", "INB2 Switch", "INB2 Input"},
829 
830        /* Right headphone output mixer */
831        {"Right HP Mixer", "Left DAC1 Switch", "DACL1"},
832        {"Right HP Mixer", "Left DAC2 Switch", "DACL2"  },
833        {"Right HP Mixer", "Right DAC1 Switch", "DACR1"},
834        {"Right HP Mixer", "Right DAC2 Switch", "DACR2"},
835        {"Right HP Mixer", "MIC1 Switch", "MIC1 Input"},
836        {"Right HP Mixer", "MIC2 Switch", "MIC2 Input"},
837        {"Right HP Mixer", "INA1 Switch", "INA1 Input"},
838        {"Right HP Mixer", "INA2 Switch", "INA2 Input"},
839        {"Right HP Mixer", "INB1 Switch", "INB1 Input"},
840        {"Right HP Mixer", "INB2 Switch", "INB2 Input"},
841 
842        /* Left speaker output mixer */
843        {"Left SPK Mixer", "Left DAC1 Switch", "DACL1"},
844        {"Left SPK Mixer", "Left DAC2 Switch", "DACL2"},
845        {"Left SPK Mixer", "Right DAC1 Switch", "DACR1"},
846        {"Left SPK Mixer", "Right DAC2 Switch", "DACR2"},
847        {"Left SPK Mixer", "MIC1 Switch", "MIC1 Input"},
848        {"Left SPK Mixer", "MIC2 Switch", "MIC2 Input"},
849        {"Left SPK Mixer", "INA1 Switch", "INA1 Input"},
850        {"Left SPK Mixer", "INA2 Switch", "INA2 Input"},
851        {"Left SPK Mixer", "INB1 Switch", "INB1 Input"},
852        {"Left SPK Mixer", "INB2 Switch", "INB2 Input"},
853 
854        /* Right speaker output mixer */
855        {"Right SPK Mixer", "Left DAC1 Switch", "DACL1"},
856        {"Right SPK Mixer", "Left DAC2 Switch", "DACL2"},
857        {"Right SPK Mixer", "Right DAC1 Switch", "DACR1"},
858        {"Right SPK Mixer", "Right DAC2 Switch", "DACR2"},
859        {"Right SPK Mixer", "MIC1 Switch", "MIC1 Input"},
860        {"Right SPK Mixer", "MIC2 Switch", "MIC2 Input"},
861        {"Right SPK Mixer", "INA1 Switch", "INA1 Input"},
862        {"Right SPK Mixer", "INA2 Switch", "INA2 Input"},
863        {"Right SPK Mixer", "INB1 Switch", "INB1 Input"},
864        {"Right SPK Mixer", "INB2 Switch", "INB2 Input"},
865 
866        /* Earpiece/Receiver output mixer */
867        {"Left REC Mixer", "Left DAC1 Switch", "DACL1"},
868        {"Left REC Mixer", "Left DAC2 Switch", "DACL2"},
869        {"Left REC Mixer", "Right DAC1 Switch", "DACR1"},
870        {"Left REC Mixer", "Right DAC2 Switch", "DACR2"},
871        {"Left REC Mixer", "MIC1 Switch", "MIC1 Input"},
872        {"Left REC Mixer", "MIC2 Switch", "MIC2 Input"},
873        {"Left REC Mixer", "INA1 Switch", "INA1 Input"},
874        {"Left REC Mixer", "INA2 Switch", "INA2 Input"},
875        {"Left REC Mixer", "INB1 Switch", "INB1 Input"},
876        {"Left REC Mixer", "INB2 Switch", "INB2 Input"},
877 
878        /* Earpiece/Receiver output mixer */
879        {"Right REC Mixer", "Left DAC1 Switch", "DACL1"},
880        {"Right REC Mixer", "Left DAC2 Switch", "DACL2"},
881        {"Right REC Mixer", "Right DAC1 Switch", "DACR1"},
882        {"Right REC Mixer", "Right DAC2 Switch", "DACR2"},
883        {"Right REC Mixer", "MIC1 Switch", "MIC1 Input"},
884        {"Right REC Mixer", "MIC2 Switch", "MIC2 Input"},
885        {"Right REC Mixer", "INA1 Switch", "INA1 Input"},
886        {"Right REC Mixer", "INA2 Switch", "INA2 Input"},
887        {"Right REC Mixer", "INB1 Switch", "INB1 Input"},
888        {"Right REC Mixer", "INB2 Switch", "INB2 Input"},
889 
890        {"HP Left Out", NULL, "Left HP Mixer"},
891        {"HP Right Out", NULL, "Right HP Mixer"},
892        {"SPK Left Out", NULL, "Left SPK Mixer"},
893        {"SPK Right Out", NULL, "Right SPK Mixer"},
894        {"REC Left Out", NULL, "Left REC Mixer"},
895        {"REC Right Out", NULL, "Right REC Mixer"},
896 
897        {"HPL", NULL, "HP Left Out"},
898        {"HPR", NULL, "HP Right Out"},
899        {"SPKL", NULL, "SPK Left Out"},
900        {"SPKR", NULL, "SPK Right Out"},
901        {"RECL", NULL, "REC Left Out"},
902        {"RECR", NULL, "REC Right Out"},
903 
904        /* Left ADC input mixer */
905        {"Left ADC Mixer", "MIC1 Switch", "MIC1 Input"},
906        {"Left ADC Mixer", "MIC2 Switch", "MIC2 Input"},
907        {"Left ADC Mixer", "INA1 Switch", "INA1 Input"},
908        {"Left ADC Mixer", "INA2 Switch", "INA2 Input"},
909        {"Left ADC Mixer", "INB1 Switch", "INB1 Input"},
910        {"Left ADC Mixer", "INB2 Switch", "INB2 Input"},
911 
912        /* Right ADC input mixer */
913        {"Right ADC Mixer", "MIC1 Switch", "MIC1 Input"},
914        {"Right ADC Mixer", "MIC2 Switch", "MIC2 Input"},
915        {"Right ADC Mixer", "INA1 Switch", "INA1 Input"},
916        {"Right ADC Mixer", "INA2 Switch", "INA2 Input"},
917        {"Right ADC Mixer", "INB1 Switch", "INB1 Input"},
918        {"Right ADC Mixer", "INB2 Switch", "INB2 Input"},
919 
920        /* Inputs */
921        {"ADCL", NULL, "Left ADC Mixer"},
922        {"ADCR", NULL, "Right ADC Mixer"},
923        {"INA1 Input", NULL, "INA1"},
924        {"INA2 Input", NULL, "INA2"},
925        {"INB1 Input", NULL, "INB1"},
926        {"INB2 Input", NULL, "INB2"},
927        {"MIC1 Input", NULL, "MIC1"},
928        {"MIC2 Input", NULL, "MIC2"},
929 };
930 
931 /* codec mclk clock divider coefficients */
932 static const struct {
933        u32 rate;
934        u8  sr;
935 } rate_table[] = {
936        {8000,  0x10},
937        {11025, 0x20},
938        {16000, 0x30},
939        {22050, 0x40},
940        {24000, 0x50},
941        {32000, 0x60},
942        {44100, 0x70},
943        {48000, 0x80},
944        {88200, 0x90},
945        {96000, 0xA0},
946 };
947 
948 static inline int rate_value(int rate, u8 *value)
949 {
950        int i;
951 
952        for (i = 0; i < ARRAY_SIZE(rate_table); i++) {
953                if (rate_table[i].rate >= rate) {
954                        *value = rate_table[i].sr;
955                        return 0;
956                }
957        }
958        *value = rate_table[0].sr;
959        return -EINVAL;
960 }
961 
962 static int max98088_dai1_hw_params(struct snd_pcm_substream *substream,
963                                   struct snd_pcm_hw_params *params,
964                                   struct snd_soc_dai *dai)
965 {
966        struct snd_soc_component *component = dai->component;
967        struct max98088_priv *max98088 = snd_soc_component_get_drvdata(component);
968        struct max98088_cdata *cdata;
969        unsigned long long ni;
970        unsigned int rate;
971        u8 regval;
972 
973        cdata = &max98088->dai[0];
974 
975        rate = params_rate(params);
976 
977        switch (params_width(params)) {
978        case 16:
979                snd_soc_component_update_bits(component, M98088_REG_14_DAI1_FORMAT,
980                        M98088_DAI_WS, 0);
981                break;
982        case 24:
983                snd_soc_component_update_bits(component, M98088_REG_14_DAI1_FORMAT,
984                        M98088_DAI_WS, M98088_DAI_WS);
985                break;
986        default:
987                return -EINVAL;
988        }
989 
990        snd_soc_component_update_bits(component, M98088_REG_51_PWR_SYS, M98088_SHDNRUN, 0);
991 
992        if (rate_value(rate, &regval))
993                return -EINVAL;
994 
995        snd_soc_component_update_bits(component, M98088_REG_11_DAI1_CLKMODE,
996                M98088_CLKMODE_MASK, regval);
997        cdata->rate = rate;
998 
999        /* Configure NI when operating as master */
1000        if (snd_soc_component_read(component, M98088_REG_14_DAI1_FORMAT)
1001                & M98088_DAI_MAS) {
1002                unsigned long pclk;
1003 
1004                if (max98088->sysclk == 0) {
1005                        dev_err(component->dev, "Invalid system clock frequency\n");
1006                        return -EINVAL;
1007                }
1008                ni = 65536ULL * (rate < 50000 ? 96ULL : 48ULL)
1009                                * (unsigned long long int)rate;
1010                pclk = DIV_ROUND_CLOSEST(max98088->sysclk, max98088->mclk_prescaler);
1011                ni = DIV_ROUND_CLOSEST_ULL(ni, pclk);
1012                snd_soc_component_write(component, M98088_REG_12_DAI1_CLKCFG_HI,
1013                        (ni >> 8) & 0x7F);
1014                snd_soc_component_write(component, M98088_REG_13_DAI1_CLKCFG_LO,
1015                        ni & 0xFF);
1016        }
1017 
1018        /* Update sample rate mode */
1019        if (rate < 50000)
1020                snd_soc_component_update_bits(component, M98088_REG_18_DAI1_FILTERS,
1021                        M98088_DAI_DHF, 0);
1022        else
1023                snd_soc_component_update_bits(component, M98088_REG_18_DAI1_FILTERS,
1024                        M98088_DAI_DHF, M98088_DAI_DHF);
1025 
1026        snd_soc_component_update_bits(component, M98088_REG_51_PWR_SYS, M98088_SHDNRUN,
1027                M98088_SHDNRUN);
1028 
1029        return 0;
1030 }
1031 
1032 static int max98088_dai2_hw_params(struct snd_pcm_substream *substream,
1033                                   struct snd_pcm_hw_params *params,
1034                                   struct snd_soc_dai *dai)
1035 {
1036        struct snd_soc_component *component = dai->component;
1037        struct max98088_priv *max98088 = snd_soc_component_get_drvdata(component);
1038        struct max98088_cdata *cdata;
1039        unsigned long long ni;
1040        unsigned int rate;
1041        u8 regval;
1042 
1043        cdata = &max98088->dai[1];
1044 
1045        rate = params_rate(params);
1046 
1047        switch (params_width(params)) {
1048        case 16:
1049                snd_soc_component_update_bits(component, M98088_REG_1C_DAI2_FORMAT,
1050                        M98088_DAI_WS, 0);
1051                break;
1052        case 24:
1053                snd_soc_component_update_bits(component, M98088_REG_1C_DAI2_FORMAT,
1054                        M98088_DAI_WS, M98088_DAI_WS);
1055                break;
1056        default:
1057                return -EINVAL;
1058        }
1059 
1060        snd_soc_component_update_bits(component, M98088_REG_51_PWR_SYS, M98088_SHDNRUN, 0);
1061 
1062        if (rate_value(rate, &regval))
1063                return -EINVAL;
1064 
1065        snd_soc_component_update_bits(component, M98088_REG_19_DAI2_CLKMODE,
1066                M98088_CLKMODE_MASK, regval);
1067        cdata->rate = rate;
1068 
1069        /* Configure NI when operating as master */
1070        if (snd_soc_component_read(component, M98088_REG_1C_DAI2_FORMAT)
1071                & M98088_DAI_MAS) {
1072                unsigned long pclk;
1073 
1074                if (max98088->sysclk == 0) {
1075                        dev_err(component->dev, "Invalid system clock frequency\n");
1076                        return -EINVAL;
1077                }
1078                ni = 65536ULL * (rate < 50000 ? 96ULL : 48ULL)
1079                                * (unsigned long long int)rate;
1080                pclk = DIV_ROUND_CLOSEST(max98088->sysclk, max98088->mclk_prescaler);
1081                ni = DIV_ROUND_CLOSEST_ULL(ni, pclk);
1082                snd_soc_component_write(component, M98088_REG_1A_DAI2_CLKCFG_HI,
1083                        (ni >> 8) & 0x7F);
1084                snd_soc_component_write(component, M98088_REG_1B_DAI2_CLKCFG_LO,
1085                        ni & 0xFF);
1086        }
1087 
1088        /* Update sample rate mode */
1089        if (rate < 50000)
1090                snd_soc_component_update_bits(component, M98088_REG_20_DAI2_FILTERS,
1091                        M98088_DAI_DHF, 0);
1092        else
1093                snd_soc_component_update_bits(component, M98088_REG_20_DAI2_FILTERS,
1094                        M98088_DAI_DHF, M98088_DAI_DHF);
1095 
1096        snd_soc_component_update_bits(component, M98088_REG_51_PWR_SYS, M98088_SHDNRUN,
1097                M98088_SHDNRUN);
1098 
1099        return 0;
1100 }
1101 
1102 static int max98088_dai_set_sysclk(struct snd_soc_dai *dai,
1103                                   int clk_id, unsigned int freq, int dir)
1104 {
1105        struct snd_soc_component *component = dai->component;
1106        struct max98088_priv *max98088 = snd_soc_component_get_drvdata(component);
1107 
1108        /* Requested clock frequency is already setup */
1109        if (freq == max98088->sysclk)
1110                return 0;
1111 
1112 	if (!IS_ERR(max98088->mclk)) {
1113 		freq = clk_round_rate(max98088->mclk, freq);
1114 		clk_set_rate(max98088->mclk, freq);
1115 	}
1116 
1117        /* Setup clocks for slave mode, and using the PLL
1118         * PSCLK = 0x01 (when master clk is 10MHz to 20MHz)
1119         *         0x02 (when master clk is 20MHz to 30MHz)..
1120         */
1121        if ((freq >= 10000000) && (freq < 20000000)) {
1122                snd_soc_component_write(component, M98088_REG_10_SYS_CLK, 0x10);
1123                max98088->mclk_prescaler = 1;
1124        } else if ((freq >= 20000000) && (freq < 30000000)) {
1125                snd_soc_component_write(component, M98088_REG_10_SYS_CLK, 0x20);
1126                max98088->mclk_prescaler = 2;
1127        } else {
1128                dev_err(component->dev, "Invalid master clock frequency\n");
1129                return -EINVAL;
1130        }
1131 
1132        if (snd_soc_component_read(component, M98088_REG_51_PWR_SYS)  & M98088_SHDNRUN) {
1133                snd_soc_component_update_bits(component, M98088_REG_51_PWR_SYS,
1134                        M98088_SHDNRUN, 0);
1135                snd_soc_component_update_bits(component, M98088_REG_51_PWR_SYS,
1136                        M98088_SHDNRUN, M98088_SHDNRUN);
1137        }
1138 
1139        dev_dbg(dai->dev, "Clock source is %d at %uHz\n", clk_id, freq);
1140 
1141        max98088->sysclk = freq;
1142        return 0;
1143 }
1144 
1145 static int max98088_dai1_set_fmt(struct snd_soc_dai *codec_dai,
1146                                 unsigned int fmt)
1147 {
1148        struct snd_soc_component *component = codec_dai->component;
1149        struct max98088_priv *max98088 = snd_soc_component_get_drvdata(component);
1150        struct max98088_cdata *cdata;
1151        u8 reg15val;
1152        u8 reg14val = 0;
1153 
1154        cdata = &max98088->dai[0];
1155 
1156        if (fmt != cdata->fmt) {
1157                cdata->fmt = fmt;
1158 
1159                switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
1160                case SND_SOC_DAIFMT_CBS_CFS:
1161                        /* Slave mode PLL */
1162                        snd_soc_component_write(component, M98088_REG_12_DAI1_CLKCFG_HI,
1163                                0x80);
1164                        snd_soc_component_write(component, M98088_REG_13_DAI1_CLKCFG_LO,
1165                                0x00);
1166                        break;
1167                case SND_SOC_DAIFMT_CBM_CFM:
1168                        /* Set to master mode */
1169                        reg14val |= M98088_DAI_MAS;
1170                        break;
1171                case SND_SOC_DAIFMT_CBS_CFM:
1172                case SND_SOC_DAIFMT_CBM_CFS:
1173                default:
1174                        dev_err(component->dev, "Clock mode unsupported");
1175                        return -EINVAL;
1176                }
1177 
1178                switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
1179                case SND_SOC_DAIFMT_I2S:
1180                        reg14val |= M98088_DAI_DLY;
1181                        break;
1182                case SND_SOC_DAIFMT_LEFT_J:
1183                        break;
1184                default:
1185                        return -EINVAL;
1186                }
1187 
1188                switch (fmt & SND_SOC_DAIFMT_INV_MASK) {
1189                case SND_SOC_DAIFMT_NB_NF:
1190                        break;
1191                case SND_SOC_DAIFMT_NB_IF:
1192                        reg14val |= M98088_DAI_WCI;
1193                        break;
1194                case SND_SOC_DAIFMT_IB_NF:
1195                        reg14val |= M98088_DAI_BCI;
1196                        break;
1197                case SND_SOC_DAIFMT_IB_IF:
1198                        reg14val |= M98088_DAI_BCI|M98088_DAI_WCI;
1199                        break;
1200                default:
1201                        return -EINVAL;
1202                }
1203 
1204                snd_soc_component_update_bits(component, M98088_REG_14_DAI1_FORMAT,
1205                        M98088_DAI_MAS | M98088_DAI_DLY | M98088_DAI_BCI |
1206                        M98088_DAI_WCI, reg14val);
1207 
1208                reg15val = M98088_DAI_BSEL64;
1209                if (max98088->digmic)
1210                        reg15val |= M98088_DAI_OSR64;
1211                snd_soc_component_write(component, M98088_REG_15_DAI1_CLOCK, reg15val);
1212        }
1213 
1214        return 0;
1215 }
1216 
1217 static int max98088_dai2_set_fmt(struct snd_soc_dai *codec_dai,
1218                                 unsigned int fmt)
1219 {
1220        struct snd_soc_component *component = codec_dai->component;
1221        struct max98088_priv *max98088 = snd_soc_component_get_drvdata(component);
1222        struct max98088_cdata *cdata;
1223        u8 reg1Cval = 0;
1224 
1225        cdata = &max98088->dai[1];
1226 
1227        if (fmt != cdata->fmt) {
1228                cdata->fmt = fmt;
1229 
1230                switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
1231                case SND_SOC_DAIFMT_CBS_CFS:
1232                        /* Slave mode PLL */
1233                        snd_soc_component_write(component, M98088_REG_1A_DAI2_CLKCFG_HI,
1234                                0x80);
1235                        snd_soc_component_write(component, M98088_REG_1B_DAI2_CLKCFG_LO,
1236                                0x00);
1237                        break;
1238                case SND_SOC_DAIFMT_CBM_CFM:
1239                        /* Set to master mode */
1240                        reg1Cval |= M98088_DAI_MAS;
1241                        break;
1242                case SND_SOC_DAIFMT_CBS_CFM:
1243                case SND_SOC_DAIFMT_CBM_CFS:
1244                default:
1245                        dev_err(component->dev, "Clock mode unsupported");
1246                        return -EINVAL;
1247                }
1248 
1249                switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
1250                case SND_SOC_DAIFMT_I2S:
1251                        reg1Cval |= M98088_DAI_DLY;
1252                        break;
1253                case SND_SOC_DAIFMT_LEFT_J:
1254                        break;
1255                default:
1256                        return -EINVAL;
1257                }
1258 
1259                switch (fmt & SND_SOC_DAIFMT_INV_MASK) {
1260                case SND_SOC_DAIFMT_NB_NF:
1261                        break;
1262                case SND_SOC_DAIFMT_NB_IF:
1263                        reg1Cval |= M98088_DAI_WCI;
1264                        break;
1265                case SND_SOC_DAIFMT_IB_NF:
1266                        reg1Cval |= M98088_DAI_BCI;
1267                        break;
1268                case SND_SOC_DAIFMT_IB_IF:
1269                        reg1Cval |= M98088_DAI_BCI|M98088_DAI_WCI;
1270                        break;
1271                default:
1272                        return -EINVAL;
1273                }
1274 
1275                snd_soc_component_update_bits(component, M98088_REG_1C_DAI2_FORMAT,
1276                        M98088_DAI_MAS | M98088_DAI_DLY | M98088_DAI_BCI |
1277                        M98088_DAI_WCI, reg1Cval);
1278 
1279                snd_soc_component_write(component, M98088_REG_1D_DAI2_CLOCK,
1280                        M98088_DAI_BSEL64);
1281        }
1282 
1283        return 0;
1284 }
1285 
1286 static int max98088_dai1_mute(struct snd_soc_dai *codec_dai, int mute,
1287 			      int direction)
1288 {
1289        struct snd_soc_component *component = codec_dai->component;
1290        int reg;
1291 
1292        if (mute)
1293                reg = M98088_DAI_MUTE;
1294        else
1295                reg = 0;
1296 
1297        snd_soc_component_update_bits(component, M98088_REG_2F_LVL_DAI1_PLAY,
1298                            M98088_DAI_MUTE_MASK, reg);
1299        return 0;
1300 }
1301 
1302 static int max98088_dai2_mute(struct snd_soc_dai *codec_dai, int mute,
1303 			      int direction)
1304 {
1305        struct snd_soc_component *component = codec_dai->component;
1306        int reg;
1307 
1308        if (mute)
1309                reg = M98088_DAI_MUTE;
1310        else
1311                reg = 0;
1312 
1313        snd_soc_component_update_bits(component, M98088_REG_31_LVL_DAI2_PLAY,
1314                            M98088_DAI_MUTE_MASK, reg);
1315        return 0;
1316 }
1317 
1318 static int max98088_set_bias_level(struct snd_soc_component *component,
1319                                   enum snd_soc_bias_level level)
1320 {
1321 	struct max98088_priv *max98088 = snd_soc_component_get_drvdata(component);
1322 
1323 	switch (level) {
1324 	case SND_SOC_BIAS_ON:
1325 		break;
1326 
1327 	case SND_SOC_BIAS_PREPARE:
1328 		/*
1329 		 * SND_SOC_BIAS_PREPARE is called while preparing for a
1330 		 * transition to ON or away from ON. If current bias_level
1331 		 * is SND_SOC_BIAS_ON, then it is preparing for a transition
1332 		 * away from ON. Disable the clock in that case, otherwise
1333 		 * enable it.
1334 		 */
1335 		if (!IS_ERR(max98088->mclk)) {
1336 			if (snd_soc_component_get_bias_level(component) ==
1337 			    SND_SOC_BIAS_ON)
1338 				clk_disable_unprepare(max98088->mclk);
1339 			else
1340 				clk_prepare_enable(max98088->mclk);
1341 		}
1342 		break;
1343 
1344 	case SND_SOC_BIAS_STANDBY:
1345 		if (snd_soc_component_get_bias_level(component) == SND_SOC_BIAS_OFF)
1346 			regcache_sync(max98088->regmap);
1347 
1348 		snd_soc_component_update_bits(component, M98088_REG_4C_PWR_EN_IN,
1349 				   M98088_MBEN, M98088_MBEN);
1350 		break;
1351 
1352 	case SND_SOC_BIAS_OFF:
1353 		snd_soc_component_update_bits(component, M98088_REG_4C_PWR_EN_IN,
1354 				    M98088_MBEN, 0);
1355 		regcache_mark_dirty(max98088->regmap);
1356 		break;
1357 	}
1358 	return 0;
1359 }
1360 
1361 #define MAX98088_RATES SNDRV_PCM_RATE_8000_96000
1362 #define MAX98088_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S24_LE)
1363 
1364 static const struct snd_soc_dai_ops max98088_dai1_ops = {
1365        .set_sysclk = max98088_dai_set_sysclk,
1366        .set_fmt = max98088_dai1_set_fmt,
1367        .hw_params = max98088_dai1_hw_params,
1368        .mute_stream = max98088_dai1_mute,
1369        .no_capture_mute = 1,
1370 };
1371 
1372 static const struct snd_soc_dai_ops max98088_dai2_ops = {
1373        .set_sysclk = max98088_dai_set_sysclk,
1374        .set_fmt = max98088_dai2_set_fmt,
1375        .hw_params = max98088_dai2_hw_params,
1376        .mute_stream = max98088_dai2_mute,
1377        .no_capture_mute = 1,
1378 };
1379 
1380 static struct snd_soc_dai_driver max98088_dai[] = {
1381 {
1382        .name = "HiFi",
1383        .playback = {
1384                .stream_name = "HiFi Playback",
1385                .channels_min = 1,
1386                .channels_max = 2,
1387                .rates = MAX98088_RATES,
1388                .formats = MAX98088_FORMATS,
1389        },
1390        .capture = {
1391                .stream_name = "HiFi Capture",
1392                .channels_min = 1,
1393                .channels_max = 2,
1394                .rates = MAX98088_RATES,
1395                .formats = MAX98088_FORMATS,
1396        },
1397         .ops = &max98088_dai1_ops,
1398 },
1399 {
1400        .name = "Aux",
1401        .playback = {
1402                .stream_name = "Aux Playback",
1403                .channels_min = 1,
1404                .channels_max = 2,
1405                .rates = MAX98088_RATES,
1406                .formats = MAX98088_FORMATS,
1407        },
1408        .ops = &max98088_dai2_ops,
1409 }
1410 };
1411 
1412 static const char *eq_mode_name[] = {"EQ1 Mode", "EQ2 Mode"};
1413 
1414 static int max98088_get_channel(struct snd_soc_component *component, const char *name)
1415 {
1416 	int ret;
1417 
1418 	ret = match_string(eq_mode_name, ARRAY_SIZE(eq_mode_name), name);
1419 	if (ret < 0)
1420 		dev_err(component->dev, "Bad EQ channel name '%s'\n", name);
1421 	return ret;
1422 }
1423 
1424 static void max98088_setup_eq1(struct snd_soc_component *component)
1425 {
1426        struct max98088_priv *max98088 = snd_soc_component_get_drvdata(component);
1427        struct max98088_pdata *pdata = max98088->pdata;
1428        struct max98088_eq_cfg *coef_set;
1429        int best, best_val, save, i, sel, fs;
1430        struct max98088_cdata *cdata;
1431 
1432        cdata = &max98088->dai[0];
1433 
1434        if (!pdata || !max98088->eq_textcnt)
1435                return;
1436 
1437        /* Find the selected configuration with nearest sample rate */
1438        fs = cdata->rate;
1439        sel = cdata->eq_sel;
1440 
1441        best = 0;
1442        best_val = INT_MAX;
1443        for (i = 0; i < pdata->eq_cfgcnt; i++) {
1444                if (strcmp(pdata->eq_cfg[i].name, max98088->eq_texts[sel]) == 0 &&
1445                    abs(pdata->eq_cfg[i].rate - fs) < best_val) {
1446                        best = i;
1447                        best_val = abs(pdata->eq_cfg[i].rate - fs);
1448                }
1449        }
1450 
1451        dev_dbg(component->dev, "Selected %s/%dHz for %dHz sample rate\n",
1452                pdata->eq_cfg[best].name,
1453                pdata->eq_cfg[best].rate, fs);
1454 
1455        /* Disable EQ while configuring, and save current on/off state */
1456        save = snd_soc_component_read(component, M98088_REG_49_CFG_LEVEL);
1457        snd_soc_component_update_bits(component, M98088_REG_49_CFG_LEVEL, M98088_EQ1EN, 0);
1458 
1459        coef_set = &pdata->eq_cfg[sel];
1460 
1461        m98088_eq_band(component, 0, 0, coef_set->band1);
1462        m98088_eq_band(component, 0, 1, coef_set->band2);
1463        m98088_eq_band(component, 0, 2, coef_set->band3);
1464        m98088_eq_band(component, 0, 3, coef_set->band4);
1465        m98088_eq_band(component, 0, 4, coef_set->band5);
1466 
1467        /* Restore the original on/off state */
1468        snd_soc_component_update_bits(component, M98088_REG_49_CFG_LEVEL, M98088_EQ1EN, save);
1469 }
1470 
1471 static void max98088_setup_eq2(struct snd_soc_component *component)
1472 {
1473        struct max98088_priv *max98088 = snd_soc_component_get_drvdata(component);
1474        struct max98088_pdata *pdata = max98088->pdata;
1475        struct max98088_eq_cfg *coef_set;
1476        int best, best_val, save, i, sel, fs;
1477        struct max98088_cdata *cdata;
1478 
1479        cdata = &max98088->dai[1];
1480 
1481        if (!pdata || !max98088->eq_textcnt)
1482                return;
1483 
1484        /* Find the selected configuration with nearest sample rate */
1485        fs = cdata->rate;
1486 
1487        sel = cdata->eq_sel;
1488        best = 0;
1489        best_val = INT_MAX;
1490        for (i = 0; i < pdata->eq_cfgcnt; i++) {
1491                if (strcmp(pdata->eq_cfg[i].name, max98088->eq_texts[sel]) == 0 &&
1492                    abs(pdata->eq_cfg[i].rate - fs) < best_val) {
1493                        best = i;
1494                        best_val = abs(pdata->eq_cfg[i].rate - fs);
1495                }
1496        }
1497 
1498        dev_dbg(component->dev, "Selected %s/%dHz for %dHz sample rate\n",
1499                pdata->eq_cfg[best].name,
1500                pdata->eq_cfg[best].rate, fs);
1501 
1502        /* Disable EQ while configuring, and save current on/off state */
1503        save = snd_soc_component_read(component, M98088_REG_49_CFG_LEVEL);
1504        snd_soc_component_update_bits(component, M98088_REG_49_CFG_LEVEL, M98088_EQ2EN, 0);
1505 
1506        coef_set = &pdata->eq_cfg[sel];
1507 
1508        m98088_eq_band(component, 1, 0, coef_set->band1);
1509        m98088_eq_band(component, 1, 1, coef_set->band2);
1510        m98088_eq_band(component, 1, 2, coef_set->band3);
1511        m98088_eq_band(component, 1, 3, coef_set->band4);
1512        m98088_eq_band(component, 1, 4, coef_set->band5);
1513 
1514        /* Restore the original on/off state */
1515        snd_soc_component_update_bits(component, M98088_REG_49_CFG_LEVEL, M98088_EQ2EN,
1516                save);
1517 }
1518 
1519 static int max98088_put_eq_enum(struct snd_kcontrol *kcontrol,
1520                                 struct snd_ctl_elem_value *ucontrol)
1521 {
1522        struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol);
1523        struct max98088_priv *max98088 = snd_soc_component_get_drvdata(component);
1524        struct max98088_pdata *pdata = max98088->pdata;
1525        int channel = max98088_get_channel(component, kcontrol->id.name);
1526        struct max98088_cdata *cdata;
1527 	int sel = ucontrol->value.enumerated.item[0];
1528 
1529        if (channel < 0)
1530 	       return channel;
1531 
1532        cdata = &max98088->dai[channel];
1533 
1534        if (sel >= pdata->eq_cfgcnt)
1535                return -EINVAL;
1536 
1537        cdata->eq_sel = sel;
1538 
1539        switch (channel) {
1540        case 0:
1541                max98088_setup_eq1(component);
1542                break;
1543        case 1:
1544                max98088_setup_eq2(component);
1545                break;
1546        }
1547 
1548        return 0;
1549 }
1550 
1551 static int max98088_get_eq_enum(struct snd_kcontrol *kcontrol,
1552                                 struct snd_ctl_elem_value *ucontrol)
1553 {
1554        struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol);
1555        struct max98088_priv *max98088 = snd_soc_component_get_drvdata(component);
1556        int channel = max98088_get_channel(component, kcontrol->id.name);
1557        struct max98088_cdata *cdata;
1558 
1559        if (channel < 0)
1560 	       return channel;
1561 
1562        cdata = &max98088->dai[channel];
1563        ucontrol->value.enumerated.item[0] = cdata->eq_sel;
1564        return 0;
1565 }
1566 
1567 static void max98088_handle_eq_pdata(struct snd_soc_component *component)
1568 {
1569        struct max98088_priv *max98088 = snd_soc_component_get_drvdata(component);
1570        struct max98088_pdata *pdata = max98088->pdata;
1571        struct max98088_eq_cfg *cfg;
1572        unsigned int cfgcnt;
1573        int i, j;
1574        const char **t;
1575        int ret;
1576        struct snd_kcontrol_new controls[] = {
1577                SOC_ENUM_EXT((char *)eq_mode_name[0],
1578                        max98088->eq_enum,
1579                        max98088_get_eq_enum,
1580                        max98088_put_eq_enum),
1581                SOC_ENUM_EXT((char *)eq_mode_name[1],
1582                        max98088->eq_enum,
1583                        max98088_get_eq_enum,
1584                        max98088_put_eq_enum),
1585        };
1586        BUILD_BUG_ON(ARRAY_SIZE(controls) != ARRAY_SIZE(eq_mode_name));
1587 
1588        cfg = pdata->eq_cfg;
1589        cfgcnt = pdata->eq_cfgcnt;
1590 
1591        /* Setup an array of texts for the equalizer enum.
1592         * This is based on Mark Brown's equalizer driver code.
1593         */
1594        max98088->eq_textcnt = 0;
1595        max98088->eq_texts = NULL;
1596        for (i = 0; i < cfgcnt; i++) {
1597                for (j = 0; j < max98088->eq_textcnt; j++) {
1598                        if (strcmp(cfg[i].name, max98088->eq_texts[j]) == 0)
1599                                break;
1600                }
1601 
1602                if (j != max98088->eq_textcnt)
1603                        continue;
1604 
1605                /* Expand the array */
1606                t = krealloc(max98088->eq_texts,
1607                             sizeof(char *) * (max98088->eq_textcnt + 1),
1608                             GFP_KERNEL);
1609                if (t == NULL)
1610                        continue;
1611 
1612                /* Store the new entry */
1613                t[max98088->eq_textcnt] = cfg[i].name;
1614                max98088->eq_textcnt++;
1615                max98088->eq_texts = t;
1616        }
1617 
1618        /* Now point the soc_enum to .texts array items */
1619        max98088->eq_enum.texts = max98088->eq_texts;
1620        max98088->eq_enum.items = max98088->eq_textcnt;
1621 
1622        ret = snd_soc_add_component_controls(component, controls, ARRAY_SIZE(controls));
1623        if (ret != 0)
1624                dev_err(component->dev, "Failed to add EQ control: %d\n", ret);
1625 }
1626 
1627 static void max98088_handle_pdata(struct snd_soc_component *component)
1628 {
1629        struct max98088_priv *max98088 = snd_soc_component_get_drvdata(component);
1630        struct max98088_pdata *pdata = max98088->pdata;
1631        u8 regval = 0;
1632 
1633        if (!pdata) {
1634                dev_dbg(component->dev, "No platform data\n");
1635                return;
1636        }
1637 
1638        /* Configure mic for analog/digital mic mode */
1639        if (pdata->digmic_left_mode)
1640                regval |= M98088_DIGMIC_L;
1641 
1642        if (pdata->digmic_right_mode)
1643                regval |= M98088_DIGMIC_R;
1644 
1645        max98088->digmic = (regval ? 1 : 0);
1646 
1647        snd_soc_component_write(component, M98088_REG_48_CFG_MIC, regval);
1648 
1649        /* Configure receiver output */
1650        regval = ((pdata->receiver_mode) ? M98088_REC_LINEMODE : 0);
1651        snd_soc_component_update_bits(component, M98088_REG_2A_MIC_REC_CNTL,
1652                M98088_REC_LINEMODE_MASK, regval);
1653 
1654        /* Configure equalizers */
1655        if (pdata->eq_cfgcnt)
1656                max98088_handle_eq_pdata(component);
1657 }
1658 
1659 static int max98088_probe(struct snd_soc_component *component)
1660 {
1661        struct max98088_priv *max98088 = snd_soc_component_get_drvdata(component);
1662        struct max98088_cdata *cdata;
1663        int ret = 0;
1664 
1665        regcache_mark_dirty(max98088->regmap);
1666 
1667        /* initialize private data */
1668 
1669        max98088->sysclk = (unsigned)-1;
1670        max98088->eq_textcnt = 0;
1671 
1672        cdata = &max98088->dai[0];
1673        cdata->rate = (unsigned)-1;
1674        cdata->fmt  = (unsigned)-1;
1675        cdata->eq_sel = 0;
1676 
1677        cdata = &max98088->dai[1];
1678        cdata->rate = (unsigned)-1;
1679        cdata->fmt  = (unsigned)-1;
1680        cdata->eq_sel = 0;
1681 
1682        max98088->ina_state = 0;
1683        max98088->inb_state = 0;
1684        max98088->ex_mode = 0;
1685        max98088->digmic = 0;
1686        max98088->mic1pre = 0;
1687        max98088->mic2pre = 0;
1688 
1689        ret = snd_soc_component_read(component, M98088_REG_FF_REV_ID);
1690        if (ret < 0) {
1691                dev_err(component->dev, "Failed to read device revision: %d\n",
1692                        ret);
1693                goto err_access;
1694        }
1695        dev_info(component->dev, "revision %c\n", ret - 0x40 + 'A');
1696 
1697        snd_soc_component_write(component, M98088_REG_51_PWR_SYS, M98088_PWRSV);
1698 
1699        snd_soc_component_write(component, M98088_REG_0F_IRQ_ENABLE, 0x00);
1700 
1701        snd_soc_component_write(component, M98088_REG_22_MIX_DAC,
1702                M98088_DAI1L_TO_DACL|M98088_DAI2L_TO_DACL|
1703                M98088_DAI1R_TO_DACR|M98088_DAI2R_TO_DACR);
1704 
1705        snd_soc_component_write(component, M98088_REG_4E_BIAS_CNTL, 0xF0);
1706        snd_soc_component_write(component, M98088_REG_50_DAC_BIAS2, 0x0F);
1707 
1708        snd_soc_component_write(component, M98088_REG_16_DAI1_IOCFG,
1709                M98088_S1NORMAL|M98088_SDATA);
1710 
1711        snd_soc_component_write(component, M98088_REG_1E_DAI2_IOCFG,
1712                M98088_S2NORMAL|M98088_SDATA);
1713 
1714        max98088_handle_pdata(component);
1715 
1716 err_access:
1717        return ret;
1718 }
1719 
1720 static void max98088_remove(struct snd_soc_component *component)
1721 {
1722        struct max98088_priv *max98088 = snd_soc_component_get_drvdata(component);
1723 
1724        kfree(max98088->eq_texts);
1725 }
1726 
1727 static const struct snd_soc_component_driver soc_component_dev_max98088 = {
1728 	.probe			= max98088_probe,
1729 	.remove			= max98088_remove,
1730 	.set_bias_level		= max98088_set_bias_level,
1731 	.controls		= max98088_snd_controls,
1732 	.num_controls		= ARRAY_SIZE(max98088_snd_controls),
1733 	.dapm_widgets		= max98088_dapm_widgets,
1734 	.num_dapm_widgets	= ARRAY_SIZE(max98088_dapm_widgets),
1735 	.dapm_routes		= max98088_audio_map,
1736 	.num_dapm_routes	= ARRAY_SIZE(max98088_audio_map),
1737 	.suspend_bias_off	= 1,
1738 	.idle_bias_on		= 1,
1739 	.use_pmdown_time	= 1,
1740 	.endianness		= 1,
1741 	.non_legacy_dai_naming	= 1,
1742 };
1743 
1744 static int max98088_i2c_probe(struct i2c_client *i2c,
1745 			      const struct i2c_device_id *id)
1746 {
1747        struct max98088_priv *max98088;
1748        int ret;
1749 
1750        max98088 = devm_kzalloc(&i2c->dev, sizeof(struct max98088_priv),
1751 			       GFP_KERNEL);
1752        if (max98088 == NULL)
1753                return -ENOMEM;
1754 
1755        max98088->regmap = devm_regmap_init_i2c(i2c, &max98088_regmap);
1756        if (IS_ERR(max98088->regmap))
1757 	       return PTR_ERR(max98088->regmap);
1758 
1759 	max98088->mclk = devm_clk_get(&i2c->dev, "mclk");
1760 	if (IS_ERR(max98088->mclk))
1761 		if (PTR_ERR(max98088->mclk) == -EPROBE_DEFER)
1762 			return PTR_ERR(max98088->mclk);
1763 
1764        max98088->devtype = id->driver_data;
1765 
1766        i2c_set_clientdata(i2c, max98088);
1767        max98088->pdata = i2c->dev.platform_data;
1768 
1769        ret = devm_snd_soc_register_component(&i2c->dev,
1770                        &soc_component_dev_max98088, &max98088_dai[0], 2);
1771        return ret;
1772 }
1773 
1774 static const struct i2c_device_id max98088_i2c_id[] = {
1775        { "max98088", MAX98088 },
1776        { "max98089", MAX98089 },
1777        { }
1778 };
1779 MODULE_DEVICE_TABLE(i2c, max98088_i2c_id);
1780 
1781 #if defined(CONFIG_OF)
1782 static const struct of_device_id max98088_of_match[] = {
1783 	{ .compatible = "maxim,max98088" },
1784 	{ .compatible = "maxim,max98089" },
1785 	{ }
1786 };
1787 MODULE_DEVICE_TABLE(of, max98088_of_match);
1788 #endif
1789 
1790 static struct i2c_driver max98088_i2c_driver = {
1791 	.driver = {
1792 		.name = "max98088",
1793 		.of_match_table = of_match_ptr(max98088_of_match),
1794 	},
1795 	.probe  = max98088_i2c_probe,
1796 	.id_table = max98088_i2c_id,
1797 };
1798 
1799 module_i2c_driver(max98088_i2c_driver);
1800 
1801 MODULE_DESCRIPTION("ALSA SoC MAX98088 driver");
1802 MODULE_AUTHOR("Peter Hsiang, Jesse Marroquin");
1803 MODULE_LICENSE("GPL");
1804