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
28enum max98088_type {
29       MAX98088,
30       MAX98089,
31};
32
33struct max98088_cdata {
34       unsigned int rate;
35       unsigned int fmt;
36       int eq_sel;
37};
38
39struct 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
59static 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
261static 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
272static 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
282static 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
293static 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 */
310static 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 */
336static const char *max98088_exmode_texts[] = {
337       "Off", "100Hz", "400Hz", "600Hz", "800Hz", "1000Hz", "200-400Hz",
338       "400-600Hz", "400-800Hz",
339};
340
341static const unsigned int max98088_exmode_values[] = {
342       0x00, 0x43, 0x10, 0x20, 0x30, 0x40, 0x11, 0x22, 0x32
343};
344
345static SOC_VALUE_ENUM_SINGLE_DECL(max98088_exmode_enum,
346				  M98088_REG_41_SPKDHP, 0, 127,
347				  max98088_exmode_texts,
348				  max98088_exmode_values);
349
350static const char *max98088_ex_thresh[] = { /* volts PP */
351       "0.6", "1.2", "1.8", "2.4", "3.0", "3.6", "4.2", "4.8"};
352static SOC_ENUM_SINGLE_DECL(max98088_ex_thresh_enum,
353			    M98088_REG_42_SPKDHP_THRESH, 0,
354			    max98088_ex_thresh);
355
356static const char *max98088_fltr_mode[] = {"Voice", "Music" };
357static SOC_ENUM_SINGLE_DECL(max98088_filter_mode_enum,
358			    M98088_REG_18_DAI1_FILTERS, 7,
359			    max98088_fltr_mode);
360
361static const char *max98088_extmic_text[] = { "None", "MIC1", "MIC2" };
362
363static SOC_ENUM_SINGLE_DECL(max98088_extmic_enum,
364			    M98088_REG_48_CFG_MIC, 0,
365			    max98088_extmic_text);
366
367static const struct snd_kcontrol_new max98088_extmic_mux =
368       SOC_DAPM_ENUM("External MIC Mux", max98088_extmic_enum);
369
370static 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"};
373static SOC_ENUM_SINGLE_DECL(max98088_dai1_dac_filter_enum,
374			    M98088_REG_18_DAI1_FILTERS, 0,
375			    max98088_dai1_fltr);
376static SOC_ENUM_SINGLE_DECL(max98088_dai1_adc_filter_enum,
377			    M98088_REG_18_DAI1_FILTERS, 4,
378			    max98088_dai1_fltr);
379
380static 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
394static 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
404static 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
418static 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
428static 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
433static 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
441static 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
449static 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("Noise Gate Threshold", M98088_REG_40_MICAGC_THRESH,
478               4, 15, 0),
479
480       SOC_SINGLE("INA Volume", M98088_REG_37_LVL_INA, 0, 7, 1),
481       SOC_SINGLE("INB Volume", M98088_REG_38_LVL_INB, 0, 7, 1),
482
483       SOC_SINGLE("ADCL Volume", M98088_REG_33_LVL_ADC_L, 0, 15, 0),
484       SOC_SINGLE("ADCR Volume", M98088_REG_34_LVL_ADC_R, 0, 15, 0),
485
486       SOC_SINGLE("ADCL Boost Volume", M98088_REG_33_LVL_ADC_L, 4, 3, 0),
487       SOC_SINGLE("ADCR Boost Volume", M98088_REG_34_LVL_ADC_R, 4, 3, 0),
488
489       SOC_SINGLE("EQ1 Switch", M98088_REG_49_CFG_LEVEL, 0, 1, 0),
490       SOC_SINGLE("EQ2 Switch", M98088_REG_49_CFG_LEVEL, 1, 1, 0),
491
492       SOC_ENUM("EX Limiter Mode", max98088_exmode_enum),
493       SOC_ENUM("EX Limiter Threshold", max98088_ex_thresh_enum),
494
495       SOC_ENUM("DAI1 Filter Mode", max98088_filter_mode_enum),
496       SOC_ENUM("DAI1 DAC Filter", max98088_dai1_dac_filter_enum),
497       SOC_ENUM("DAI1 ADC Filter", max98088_dai1_adc_filter_enum),
498       SOC_SINGLE("DAI2 DC Block Switch", M98088_REG_20_DAI2_FILTERS,
499               0, 1, 0),
500
501       SOC_SINGLE("ALC Switch", M98088_REG_43_SPKALC_COMP, 7, 1, 0),
502       SOC_SINGLE("ALC Threshold", M98088_REG_43_SPKALC_COMP, 0, 7, 0),
503       SOC_SINGLE("ALC Multiband", M98088_REG_43_SPKALC_COMP, 3, 1, 0),
504       SOC_SINGLE("ALC Release Time", M98088_REG_43_SPKALC_COMP, 4, 7, 0),
505
506       SOC_SINGLE("PWR Limiter Threshold", M98088_REG_44_PWRLMT_CFG,
507               4, 15, 0),
508       SOC_SINGLE("PWR Limiter Weight", M98088_REG_44_PWRLMT_CFG, 0, 7, 0),
509       SOC_SINGLE("PWR Limiter Time1", M98088_REG_45_PWRLMT_TIME, 0, 15, 0),
510       SOC_SINGLE("PWR Limiter Time2", M98088_REG_45_PWRLMT_TIME, 4, 15, 0),
511
512       SOC_SINGLE("THD Limiter Threshold", M98088_REG_46_THDLMT_CFG, 4, 15, 0),
513       SOC_SINGLE("THD Limiter Time", M98088_REG_46_THDLMT_CFG, 0, 7, 0),
514};
515
516/* Left speaker mixer switch */
517static const struct snd_kcontrol_new max98088_left_speaker_mixer_controls[] = {
518       SOC_DAPM_SINGLE("Left DAC1 Switch", M98088_REG_2B_MIX_SPK_LEFT, 0, 1, 0),
519       SOC_DAPM_SINGLE("Right DAC1 Switch", M98088_REG_2B_MIX_SPK_LEFT, 7, 1, 0),
520       SOC_DAPM_SINGLE("Left DAC2 Switch", M98088_REG_2B_MIX_SPK_LEFT, 0, 1, 0),
521       SOC_DAPM_SINGLE("Right DAC2 Switch", M98088_REG_2B_MIX_SPK_LEFT, 7, 1, 0),
522       SOC_DAPM_SINGLE("MIC1 Switch", M98088_REG_2B_MIX_SPK_LEFT, 5, 1, 0),
523       SOC_DAPM_SINGLE("MIC2 Switch", M98088_REG_2B_MIX_SPK_LEFT, 6, 1, 0),
524       SOC_DAPM_SINGLE("INA1 Switch", M98088_REG_2B_MIX_SPK_LEFT, 1, 1, 0),
525       SOC_DAPM_SINGLE("INA2 Switch", M98088_REG_2B_MIX_SPK_LEFT, 2, 1, 0),
526       SOC_DAPM_SINGLE("INB1 Switch", M98088_REG_2B_MIX_SPK_LEFT, 3, 1, 0),
527       SOC_DAPM_SINGLE("INB2 Switch", M98088_REG_2B_MIX_SPK_LEFT, 4, 1, 0),
528};
529
530/* Right speaker mixer switch */
531static const struct snd_kcontrol_new max98088_right_speaker_mixer_controls[] = {
532       SOC_DAPM_SINGLE("Left DAC1 Switch", M98088_REG_2C_MIX_SPK_RIGHT, 7, 1, 0),
533       SOC_DAPM_SINGLE("Right DAC1 Switch", M98088_REG_2C_MIX_SPK_RIGHT, 0, 1, 0),
534       SOC_DAPM_SINGLE("Left DAC2 Switch", M98088_REG_2C_MIX_SPK_RIGHT, 7, 1, 0),
535       SOC_DAPM_SINGLE("Right DAC2 Switch", M98088_REG_2C_MIX_SPK_RIGHT, 0, 1, 0),
536       SOC_DAPM_SINGLE("MIC1 Switch", M98088_REG_2C_MIX_SPK_RIGHT, 5, 1, 0),
537       SOC_DAPM_SINGLE("MIC2 Switch", M98088_REG_2C_MIX_SPK_RIGHT, 6, 1, 0),
538       SOC_DAPM_SINGLE("INA1 Switch", M98088_REG_2C_MIX_SPK_RIGHT, 1, 1, 0),
539       SOC_DAPM_SINGLE("INA2 Switch", M98088_REG_2C_MIX_SPK_RIGHT, 2, 1, 0),
540       SOC_DAPM_SINGLE("INB1 Switch", M98088_REG_2C_MIX_SPK_RIGHT, 3, 1, 0),
541       SOC_DAPM_SINGLE("INB2 Switch", M98088_REG_2C_MIX_SPK_RIGHT, 4, 1, 0),
542};
543
544/* Left headphone mixer switch */
545static const struct snd_kcontrol_new max98088_left_hp_mixer_controls[] = {
546       SOC_DAPM_SINGLE("Left DAC1 Switch", M98088_REG_25_MIX_HP_LEFT, 0, 1, 0),
547       SOC_DAPM_SINGLE("Right DAC1 Switch", M98088_REG_25_MIX_HP_LEFT, 7, 1, 0),
548       SOC_DAPM_SINGLE("Left DAC2 Switch", M98088_REG_25_MIX_HP_LEFT, 0, 1, 0),
549       SOC_DAPM_SINGLE("Right DAC2 Switch", M98088_REG_25_MIX_HP_LEFT, 7, 1, 0),
550       SOC_DAPM_SINGLE("MIC1 Switch", M98088_REG_25_MIX_HP_LEFT, 5, 1, 0),
551       SOC_DAPM_SINGLE("MIC2 Switch", M98088_REG_25_MIX_HP_LEFT, 6, 1, 0),
552       SOC_DAPM_SINGLE("INA1 Switch", M98088_REG_25_MIX_HP_LEFT, 1, 1, 0),
553       SOC_DAPM_SINGLE("INA2 Switch", M98088_REG_25_MIX_HP_LEFT, 2, 1, 0),
554       SOC_DAPM_SINGLE("INB1 Switch", M98088_REG_25_MIX_HP_LEFT, 3, 1, 0),
555       SOC_DAPM_SINGLE("INB2 Switch", M98088_REG_25_MIX_HP_LEFT, 4, 1, 0),
556};
557
558/* Right headphone mixer switch */
559static const struct snd_kcontrol_new max98088_right_hp_mixer_controls[] = {
560       SOC_DAPM_SINGLE("Left DAC1 Switch", M98088_REG_26_MIX_HP_RIGHT, 7, 1, 0),
561       SOC_DAPM_SINGLE("Right DAC1 Switch", M98088_REG_26_MIX_HP_RIGHT, 0, 1, 0),
562       SOC_DAPM_SINGLE("Left DAC2 Switch", M98088_REG_26_MIX_HP_RIGHT, 7, 1, 0),
563       SOC_DAPM_SINGLE("Right DAC2 Switch", M98088_REG_26_MIX_HP_RIGHT, 0, 1, 0),
564       SOC_DAPM_SINGLE("MIC1 Switch", M98088_REG_26_MIX_HP_RIGHT, 5, 1, 0),
565       SOC_DAPM_SINGLE("MIC2 Switch", M98088_REG_26_MIX_HP_RIGHT, 6, 1, 0),
566       SOC_DAPM_SINGLE("INA1 Switch", M98088_REG_26_MIX_HP_RIGHT, 1, 1, 0),
567       SOC_DAPM_SINGLE("INA2 Switch", M98088_REG_26_MIX_HP_RIGHT, 2, 1, 0),
568       SOC_DAPM_SINGLE("INB1 Switch", M98088_REG_26_MIX_HP_RIGHT, 3, 1, 0),
569       SOC_DAPM_SINGLE("INB2 Switch", M98088_REG_26_MIX_HP_RIGHT, 4, 1, 0),
570};
571
572/* Left earpiece/receiver mixer switch */
573static const struct snd_kcontrol_new max98088_left_rec_mixer_controls[] = {
574       SOC_DAPM_SINGLE("Left DAC1 Switch", M98088_REG_28_MIX_REC_LEFT, 0, 1, 0),
575       SOC_DAPM_SINGLE("Right DAC1 Switch", M98088_REG_28_MIX_REC_LEFT, 7, 1, 0),
576       SOC_DAPM_SINGLE("Left DAC2 Switch", M98088_REG_28_MIX_REC_LEFT, 0, 1, 0),
577       SOC_DAPM_SINGLE("Right DAC2 Switch", M98088_REG_28_MIX_REC_LEFT, 7, 1, 0),
578       SOC_DAPM_SINGLE("MIC1 Switch", M98088_REG_28_MIX_REC_LEFT, 5, 1, 0),
579       SOC_DAPM_SINGLE("MIC2 Switch", M98088_REG_28_MIX_REC_LEFT, 6, 1, 0),
580       SOC_DAPM_SINGLE("INA1 Switch", M98088_REG_28_MIX_REC_LEFT, 1, 1, 0),
581       SOC_DAPM_SINGLE("INA2 Switch", M98088_REG_28_MIX_REC_LEFT, 2, 1, 0),
582       SOC_DAPM_SINGLE("INB1 Switch", M98088_REG_28_MIX_REC_LEFT, 3, 1, 0),
583       SOC_DAPM_SINGLE("INB2 Switch", M98088_REG_28_MIX_REC_LEFT, 4, 1, 0),
584};
585
586/* Right earpiece/receiver mixer switch */
587static const struct snd_kcontrol_new max98088_right_rec_mixer_controls[] = {
588       SOC_DAPM_SINGLE("Left DAC1 Switch", M98088_REG_29_MIX_REC_RIGHT, 7, 1, 0),
589       SOC_DAPM_SINGLE("Right DAC1 Switch", M98088_REG_29_MIX_REC_RIGHT, 0, 1, 0),
590       SOC_DAPM_SINGLE("Left DAC2 Switch", M98088_REG_29_MIX_REC_RIGHT, 7, 1, 0),
591       SOC_DAPM_SINGLE("Right DAC2 Switch", M98088_REG_29_MIX_REC_RIGHT, 0, 1, 0),
592       SOC_DAPM_SINGLE("MIC1 Switch", M98088_REG_29_MIX_REC_RIGHT, 5, 1, 0),
593       SOC_DAPM_SINGLE("MIC2 Switch", M98088_REG_29_MIX_REC_RIGHT, 6, 1, 0),
594       SOC_DAPM_SINGLE("INA1 Switch", M98088_REG_29_MIX_REC_RIGHT, 1, 1, 0),
595       SOC_DAPM_SINGLE("INA2 Switch", M98088_REG_29_MIX_REC_RIGHT, 2, 1, 0),
596       SOC_DAPM_SINGLE("INB1 Switch", M98088_REG_29_MIX_REC_RIGHT, 3, 1, 0),
597       SOC_DAPM_SINGLE("INB2 Switch", M98088_REG_29_MIX_REC_RIGHT, 4, 1, 0),
598};
599
600/* Left ADC mixer switch */
601static const struct snd_kcontrol_new max98088_left_ADC_mixer_controls[] = {
602       SOC_DAPM_SINGLE("MIC1 Switch", M98088_REG_23_MIX_ADC_LEFT, 7, 1, 0),
603       SOC_DAPM_SINGLE("MIC2 Switch", M98088_REG_23_MIX_ADC_LEFT, 6, 1, 0),
604       SOC_DAPM_SINGLE("INA1 Switch", M98088_REG_23_MIX_ADC_LEFT, 3, 1, 0),
605       SOC_DAPM_SINGLE("INA2 Switch", M98088_REG_23_MIX_ADC_LEFT, 2, 1, 0),
606       SOC_DAPM_SINGLE("INB1 Switch", M98088_REG_23_MIX_ADC_LEFT, 1, 1, 0),
607       SOC_DAPM_SINGLE("INB2 Switch", M98088_REG_23_MIX_ADC_LEFT, 0, 1, 0),
608};
609
610/* Right ADC mixer switch */
611static const struct snd_kcontrol_new max98088_right_ADC_mixer_controls[] = {
612       SOC_DAPM_SINGLE("MIC1 Switch", M98088_REG_24_MIX_ADC_RIGHT, 7, 1, 0),
613       SOC_DAPM_SINGLE("MIC2 Switch", M98088_REG_24_MIX_ADC_RIGHT, 6, 1, 0),
614       SOC_DAPM_SINGLE("INA1 Switch", M98088_REG_24_MIX_ADC_RIGHT, 3, 1, 0),
615       SOC_DAPM_SINGLE("INA2 Switch", M98088_REG_24_MIX_ADC_RIGHT, 2, 1, 0),
616       SOC_DAPM_SINGLE("INB1 Switch", M98088_REG_24_MIX_ADC_RIGHT, 1, 1, 0),
617       SOC_DAPM_SINGLE("INB2 Switch", M98088_REG_24_MIX_ADC_RIGHT, 0, 1, 0),
618};
619
620static int max98088_mic_event(struct snd_soc_dapm_widget *w,
621                            struct snd_kcontrol *kcontrol, int event)
622{
623       struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm);
624       struct max98088_priv *max98088 = snd_soc_component_get_drvdata(component);
625
626       switch (event) {
627       case SND_SOC_DAPM_POST_PMU:
628               if (w->reg == M98088_REG_35_LVL_MIC1) {
629                       snd_soc_component_update_bits(component, w->reg, M98088_MICPRE_MASK,
630                               (1+max98088->mic1pre)<<M98088_MICPRE_SHIFT);
631               } else {
632                       snd_soc_component_update_bits(component, w->reg, M98088_MICPRE_MASK,
633                               (1+max98088->mic2pre)<<M98088_MICPRE_SHIFT);
634               }
635               break;
636       case SND_SOC_DAPM_POST_PMD:
637               snd_soc_component_update_bits(component, w->reg, M98088_MICPRE_MASK, 0);
638               break;
639       default:
640               return -EINVAL;
641       }
642
643       return 0;
644}
645
646/*
647 * The line inputs are 2-channel stereo inputs with the left
648 * and right channels sharing a common PGA power control signal.
649 */
650static int max98088_line_pga(struct snd_soc_dapm_widget *w,
651                            int event, int line, u8 channel)
652{
653       struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm);
654       struct max98088_priv *max98088 = snd_soc_component_get_drvdata(component);
655       u8 *state;
656
657	if (WARN_ON(!(channel == 1 || channel == 2)))
658		return -EINVAL;
659
660       switch (line) {
661       case LINE_INA:
662               state = &max98088->ina_state;
663               break;
664       case LINE_INB:
665               state = &max98088->inb_state;
666               break;
667       default:
668               return -EINVAL;
669       }
670
671       switch (event) {
672       case SND_SOC_DAPM_POST_PMU:
673               *state |= channel;
674               snd_soc_component_update_bits(component, w->reg,
675                       (1 << w->shift), (1 << w->shift));
676               break;
677       case SND_SOC_DAPM_POST_PMD:
678               *state &= ~channel;
679               if (*state == 0) {
680                       snd_soc_component_update_bits(component, w->reg,
681                               (1 << w->shift), 0);
682               }
683               break;
684       default:
685               return -EINVAL;
686       }
687
688       return 0;
689}
690
691static int max98088_pga_ina1_event(struct snd_soc_dapm_widget *w,
692                                  struct snd_kcontrol *k, int event)
693{
694       return max98088_line_pga(w, event, LINE_INA, 1);
695}
696
697static int max98088_pga_ina2_event(struct snd_soc_dapm_widget *w,
698                                  struct snd_kcontrol *k, int event)
699{
700       return max98088_line_pga(w, event, LINE_INA, 2);
701}
702
703static int max98088_pga_inb1_event(struct snd_soc_dapm_widget *w,
704                                  struct snd_kcontrol *k, int event)
705{
706       return max98088_line_pga(w, event, LINE_INB, 1);
707}
708
709static int max98088_pga_inb2_event(struct snd_soc_dapm_widget *w,
710                                  struct snd_kcontrol *k, int event)
711{
712       return max98088_line_pga(w, event, LINE_INB, 2);
713}
714
715static const struct snd_soc_dapm_widget max98088_dapm_widgets[] = {
716
717       SND_SOC_DAPM_ADC("ADCL", "HiFi Capture", M98088_REG_4C_PWR_EN_IN, 1, 0),
718       SND_SOC_DAPM_ADC("ADCR", "HiFi Capture", M98088_REG_4C_PWR_EN_IN, 0, 0),
719
720       SND_SOC_DAPM_DAC("DACL1", "HiFi Playback",
721               M98088_REG_4D_PWR_EN_OUT, 1, 0),
722       SND_SOC_DAPM_DAC("DACR1", "HiFi Playback",
723               M98088_REG_4D_PWR_EN_OUT, 0, 0),
724       SND_SOC_DAPM_DAC("DACL2", "Aux Playback",
725               M98088_REG_4D_PWR_EN_OUT, 1, 0),
726       SND_SOC_DAPM_DAC("DACR2", "Aux Playback",
727               M98088_REG_4D_PWR_EN_OUT, 0, 0),
728
729       SND_SOC_DAPM_PGA("HP Left Out", M98088_REG_4D_PWR_EN_OUT,
730               7, 0, NULL, 0),
731       SND_SOC_DAPM_PGA("HP Right Out", M98088_REG_4D_PWR_EN_OUT,
732               6, 0, NULL, 0),
733
734       SND_SOC_DAPM_PGA("SPK Left Out", M98088_REG_4D_PWR_EN_OUT,
735               5, 0, NULL, 0),
736       SND_SOC_DAPM_PGA("SPK Right Out", M98088_REG_4D_PWR_EN_OUT,
737               4, 0, NULL, 0),
738
739       SND_SOC_DAPM_PGA("REC Left Out", M98088_REG_4D_PWR_EN_OUT,
740               3, 0, NULL, 0),
741       SND_SOC_DAPM_PGA("REC Right Out", M98088_REG_4D_PWR_EN_OUT,
742               2, 0, NULL, 0),
743
744       SND_SOC_DAPM_MUX("External MIC", SND_SOC_NOPM, 0, 0,
745               &max98088_extmic_mux),
746
747       SND_SOC_DAPM_MIXER("Left HP Mixer", SND_SOC_NOPM, 0, 0,
748               &max98088_left_hp_mixer_controls[0],
749               ARRAY_SIZE(max98088_left_hp_mixer_controls)),
750
751       SND_SOC_DAPM_MIXER("Right HP Mixer", SND_SOC_NOPM, 0, 0,
752               &max98088_right_hp_mixer_controls[0],
753               ARRAY_SIZE(max98088_right_hp_mixer_controls)),
754
755       SND_SOC_DAPM_MIXER("Left SPK Mixer", SND_SOC_NOPM, 0, 0,
756               &max98088_left_speaker_mixer_controls[0],
757               ARRAY_SIZE(max98088_left_speaker_mixer_controls)),
758
759       SND_SOC_DAPM_MIXER("Right SPK Mixer", SND_SOC_NOPM, 0, 0,
760               &max98088_right_speaker_mixer_controls[0],
761               ARRAY_SIZE(max98088_right_speaker_mixer_controls)),
762
763       SND_SOC_DAPM_MIXER("Left REC Mixer", SND_SOC_NOPM, 0, 0,
764         &max98088_left_rec_mixer_controls[0],
765               ARRAY_SIZE(max98088_left_rec_mixer_controls)),
766
767       SND_SOC_DAPM_MIXER("Right REC Mixer", SND_SOC_NOPM, 0, 0,
768         &max98088_right_rec_mixer_controls[0],
769               ARRAY_SIZE(max98088_right_rec_mixer_controls)),
770
771       SND_SOC_DAPM_MIXER("Left ADC Mixer", SND_SOC_NOPM, 0, 0,
772               &max98088_left_ADC_mixer_controls[0],
773               ARRAY_SIZE(max98088_left_ADC_mixer_controls)),
774
775       SND_SOC_DAPM_MIXER("Right ADC Mixer", SND_SOC_NOPM, 0, 0,
776               &max98088_right_ADC_mixer_controls[0],
777               ARRAY_SIZE(max98088_right_ADC_mixer_controls)),
778
779       SND_SOC_DAPM_PGA_E("MIC1 Input", M98088_REG_35_LVL_MIC1,
780               5, 0, NULL, 0, max98088_mic_event,
781               SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD),
782
783       SND_SOC_DAPM_PGA_E("MIC2 Input", M98088_REG_36_LVL_MIC2,
784               5, 0, NULL, 0, max98088_mic_event,
785               SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD),
786
787       SND_SOC_DAPM_PGA_E("INA1 Input", M98088_REG_4C_PWR_EN_IN,
788               7, 0, NULL, 0, max98088_pga_ina1_event,
789               SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD),
790
791       SND_SOC_DAPM_PGA_E("INA2 Input", M98088_REG_4C_PWR_EN_IN,
792               7, 0, NULL, 0, max98088_pga_ina2_event,
793               SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD),
794
795       SND_SOC_DAPM_PGA_E("INB1 Input", M98088_REG_4C_PWR_EN_IN,
796               6, 0, NULL, 0, max98088_pga_inb1_event,
797               SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD),
798
799       SND_SOC_DAPM_PGA_E("INB2 Input", M98088_REG_4C_PWR_EN_IN,
800               6, 0, NULL, 0, max98088_pga_inb2_event,
801               SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD),
802
803       SND_SOC_DAPM_MICBIAS("MICBIAS", M98088_REG_4C_PWR_EN_IN, 3, 0),
804
805       SND_SOC_DAPM_OUTPUT("HPL"),
806       SND_SOC_DAPM_OUTPUT("HPR"),
807       SND_SOC_DAPM_OUTPUT("SPKL"),
808       SND_SOC_DAPM_OUTPUT("SPKR"),
809       SND_SOC_DAPM_OUTPUT("RECL"),
810       SND_SOC_DAPM_OUTPUT("RECR"),
811
812       SND_SOC_DAPM_INPUT("MIC1"),
813       SND_SOC_DAPM_INPUT("MIC2"),
814       SND_SOC_DAPM_INPUT("INA1"),
815       SND_SOC_DAPM_INPUT("INA2"),
816       SND_SOC_DAPM_INPUT("INB1"),
817       SND_SOC_DAPM_INPUT("INB2"),
818};
819
820static const struct snd_soc_dapm_route max98088_audio_map[] = {
821       /* Left headphone output mixer */
822       {"Left HP Mixer", "Left DAC1 Switch", "DACL1"},
823       {"Left HP Mixer", "Left DAC2 Switch", "DACL2"},
824       {"Left HP Mixer", "Right DAC1 Switch", "DACR1"},
825       {"Left HP Mixer", "Right DAC2 Switch", "DACR2"},
826       {"Left HP Mixer", "MIC1 Switch", "MIC1 Input"},
827       {"Left HP Mixer", "MIC2 Switch", "MIC2 Input"},
828       {"Left HP Mixer", "INA1 Switch", "INA1 Input"},
829       {"Left HP Mixer", "INA2 Switch", "INA2 Input"},
830       {"Left HP Mixer", "INB1 Switch", "INB1 Input"},
831       {"Left HP Mixer", "INB2 Switch", "INB2 Input"},
832
833       /* Right headphone output mixer */
834       {"Right HP Mixer", "Left DAC1 Switch", "DACL1"},
835       {"Right HP Mixer", "Left DAC2 Switch", "DACL2"  },
836       {"Right HP Mixer", "Right DAC1 Switch", "DACR1"},
837       {"Right HP Mixer", "Right DAC2 Switch", "DACR2"},
838       {"Right HP Mixer", "MIC1 Switch", "MIC1 Input"},
839       {"Right HP Mixer", "MIC2 Switch", "MIC2 Input"},
840       {"Right HP Mixer", "INA1 Switch", "INA1 Input"},
841       {"Right HP Mixer", "INA2 Switch", "INA2 Input"},
842       {"Right HP Mixer", "INB1 Switch", "INB1 Input"},
843       {"Right HP Mixer", "INB2 Switch", "INB2 Input"},
844
845       /* Left speaker output mixer */
846       {"Left SPK Mixer", "Left DAC1 Switch", "DACL1"},
847       {"Left SPK Mixer", "Left DAC2 Switch", "DACL2"},
848       {"Left SPK Mixer", "Right DAC1 Switch", "DACR1"},
849       {"Left SPK Mixer", "Right DAC2 Switch", "DACR2"},
850       {"Left SPK Mixer", "MIC1 Switch", "MIC1 Input"},
851       {"Left SPK Mixer", "MIC2 Switch", "MIC2 Input"},
852       {"Left SPK Mixer", "INA1 Switch", "INA1 Input"},
853       {"Left SPK Mixer", "INA2 Switch", "INA2 Input"},
854       {"Left SPK Mixer", "INB1 Switch", "INB1 Input"},
855       {"Left SPK Mixer", "INB2 Switch", "INB2 Input"},
856
857       /* Right speaker output mixer */
858       {"Right SPK Mixer", "Left DAC1 Switch", "DACL1"},
859       {"Right SPK Mixer", "Left DAC2 Switch", "DACL2"},
860       {"Right SPK Mixer", "Right DAC1 Switch", "DACR1"},
861       {"Right SPK Mixer", "Right DAC2 Switch", "DACR2"},
862       {"Right SPK Mixer", "MIC1 Switch", "MIC1 Input"},
863       {"Right SPK Mixer", "MIC2 Switch", "MIC2 Input"},
864       {"Right SPK Mixer", "INA1 Switch", "INA1 Input"},
865       {"Right SPK Mixer", "INA2 Switch", "INA2 Input"},
866       {"Right SPK Mixer", "INB1 Switch", "INB1 Input"},
867       {"Right SPK Mixer", "INB2 Switch", "INB2 Input"},
868
869       /* Earpiece/Receiver output mixer */
870       {"Left REC Mixer", "Left DAC1 Switch", "DACL1"},
871       {"Left REC Mixer", "Left DAC2 Switch", "DACL2"},
872       {"Left REC Mixer", "Right DAC1 Switch", "DACR1"},
873       {"Left REC Mixer", "Right DAC2 Switch", "DACR2"},
874       {"Left REC Mixer", "MIC1 Switch", "MIC1 Input"},
875       {"Left REC Mixer", "MIC2 Switch", "MIC2 Input"},
876       {"Left REC Mixer", "INA1 Switch", "INA1 Input"},
877       {"Left REC Mixer", "INA2 Switch", "INA2 Input"},
878       {"Left REC Mixer", "INB1 Switch", "INB1 Input"},
879       {"Left REC Mixer", "INB2 Switch", "INB2 Input"},
880
881       /* Earpiece/Receiver output mixer */
882       {"Right REC Mixer", "Left DAC1 Switch", "DACL1"},
883       {"Right REC Mixer", "Left DAC2 Switch", "DACL2"},
884       {"Right REC Mixer", "Right DAC1 Switch", "DACR1"},
885       {"Right REC Mixer", "Right DAC2 Switch", "DACR2"},
886       {"Right REC Mixer", "MIC1 Switch", "MIC1 Input"},
887       {"Right REC Mixer", "MIC2 Switch", "MIC2 Input"},
888       {"Right REC Mixer", "INA1 Switch", "INA1 Input"},
889       {"Right REC Mixer", "INA2 Switch", "INA2 Input"},
890       {"Right REC Mixer", "INB1 Switch", "INB1 Input"},
891       {"Right REC Mixer", "INB2 Switch", "INB2 Input"},
892
893       {"HP Left Out", NULL, "Left HP Mixer"},
894       {"HP Right Out", NULL, "Right HP Mixer"},
895       {"SPK Left Out", NULL, "Left SPK Mixer"},
896       {"SPK Right Out", NULL, "Right SPK Mixer"},
897       {"REC Left Out", NULL, "Left REC Mixer"},
898       {"REC Right Out", NULL, "Right REC Mixer"},
899
900       {"HPL", NULL, "HP Left Out"},
901       {"HPR", NULL, "HP Right Out"},
902       {"SPKL", NULL, "SPK Left Out"},
903       {"SPKR", NULL, "SPK Right Out"},
904       {"RECL", NULL, "REC Left Out"},
905       {"RECR", NULL, "REC Right Out"},
906
907       /* Left ADC input mixer */
908       {"Left ADC Mixer", "MIC1 Switch", "MIC1 Input"},
909       {"Left ADC Mixer", "MIC2 Switch", "MIC2 Input"},
910       {"Left ADC Mixer", "INA1 Switch", "INA1 Input"},
911       {"Left ADC Mixer", "INA2 Switch", "INA2 Input"},
912       {"Left ADC Mixer", "INB1 Switch", "INB1 Input"},
913       {"Left ADC Mixer", "INB2 Switch", "INB2 Input"},
914
915       /* Right ADC input mixer */
916       {"Right ADC Mixer", "MIC1 Switch", "MIC1 Input"},
917       {"Right ADC Mixer", "MIC2 Switch", "MIC2 Input"},
918       {"Right ADC Mixer", "INA1 Switch", "INA1 Input"},
919       {"Right ADC Mixer", "INA2 Switch", "INA2 Input"},
920       {"Right ADC Mixer", "INB1 Switch", "INB1 Input"},
921       {"Right ADC Mixer", "INB2 Switch", "INB2 Input"},
922
923       /* Inputs */
924       {"ADCL", NULL, "Left ADC Mixer"},
925       {"ADCR", NULL, "Right ADC Mixer"},
926       {"INA1 Input", NULL, "INA1"},
927       {"INA2 Input", NULL, "INA2"},
928       {"INB1 Input", NULL, "INB1"},
929       {"INB2 Input", NULL, "INB2"},
930       {"MIC1 Input", NULL, "MIC1"},
931       {"MIC2 Input", NULL, "MIC2"},
932};
933
934/* codec mclk clock divider coefficients */
935static const struct {
936       u32 rate;
937       u8  sr;
938} rate_table[] = {
939       {8000,  0x10},
940       {11025, 0x20},
941       {16000, 0x30},
942       {22050, 0x40},
943       {24000, 0x50},
944       {32000, 0x60},
945       {44100, 0x70},
946       {48000, 0x80},
947       {88200, 0x90},
948       {96000, 0xA0},
949};
950
951static inline int rate_value(int rate, u8 *value)
952{
953       int i;
954
955       for (i = 0; i < ARRAY_SIZE(rate_table); i++) {
956               if (rate_table[i].rate >= rate) {
957                       *value = rate_table[i].sr;
958                       return 0;
959               }
960       }
961       *value = rate_table[0].sr;
962       return -EINVAL;
963}
964
965static int max98088_dai1_hw_params(struct snd_pcm_substream *substream,
966                                  struct snd_pcm_hw_params *params,
967                                  struct snd_soc_dai *dai)
968{
969       struct snd_soc_component *component = dai->component;
970       struct max98088_priv *max98088 = snd_soc_component_get_drvdata(component);
971       struct max98088_cdata *cdata;
972       unsigned long long ni;
973       unsigned int rate;
974       u8 regval;
975
976       cdata = &max98088->dai[0];
977
978       rate = params_rate(params);
979
980       switch (params_width(params)) {
981       case 16:
982               snd_soc_component_update_bits(component, M98088_REG_14_DAI1_FORMAT,
983                       M98088_DAI_WS, 0);
984               break;
985       case 24:
986               snd_soc_component_update_bits(component, M98088_REG_14_DAI1_FORMAT,
987                       M98088_DAI_WS, M98088_DAI_WS);
988               break;
989       default:
990               return -EINVAL;
991       }
992
993       snd_soc_component_update_bits(component, M98088_REG_51_PWR_SYS, M98088_SHDNRUN, 0);
994
995       if (rate_value(rate, &regval))
996               return -EINVAL;
997
998       snd_soc_component_update_bits(component, M98088_REG_11_DAI1_CLKMODE,
999               M98088_CLKMODE_MASK, regval);
1000       cdata->rate = rate;
1001
1002       /* Configure NI when operating as master */
1003       if (snd_soc_component_read(component, M98088_REG_14_DAI1_FORMAT)
1004               & M98088_DAI_MAS) {
1005               unsigned long pclk;
1006
1007               if (max98088->sysclk == 0) {
1008                       dev_err(component->dev, "Invalid system clock frequency\n");
1009                       return -EINVAL;
1010               }
1011               ni = 65536ULL * (rate < 50000 ? 96ULL : 48ULL)
1012                               * (unsigned long long int)rate;
1013               pclk = DIV_ROUND_CLOSEST(max98088->sysclk, max98088->mclk_prescaler);
1014               ni = DIV_ROUND_CLOSEST_ULL(ni, pclk);
1015               snd_soc_component_write(component, M98088_REG_12_DAI1_CLKCFG_HI,
1016                       (ni >> 8) & 0x7F);
1017               snd_soc_component_write(component, M98088_REG_13_DAI1_CLKCFG_LO,
1018                       ni & 0xFF);
1019       }
1020
1021       /* Update sample rate mode */
1022       if (rate < 50000)
1023               snd_soc_component_update_bits(component, M98088_REG_18_DAI1_FILTERS,
1024                       M98088_DAI_DHF, 0);
1025       else
1026               snd_soc_component_update_bits(component, M98088_REG_18_DAI1_FILTERS,
1027                       M98088_DAI_DHF, M98088_DAI_DHF);
1028
1029       snd_soc_component_update_bits(component, M98088_REG_51_PWR_SYS, M98088_SHDNRUN,
1030               M98088_SHDNRUN);
1031
1032       return 0;
1033}
1034
1035static int max98088_dai2_hw_params(struct snd_pcm_substream *substream,
1036                                  struct snd_pcm_hw_params *params,
1037                                  struct snd_soc_dai *dai)
1038{
1039       struct snd_soc_component *component = dai->component;
1040       struct max98088_priv *max98088 = snd_soc_component_get_drvdata(component);
1041       struct max98088_cdata *cdata;
1042       unsigned long long ni;
1043       unsigned int rate;
1044       u8 regval;
1045
1046       cdata = &max98088->dai[1];
1047
1048       rate = params_rate(params);
1049
1050       switch (params_width(params)) {
1051       case 16:
1052               snd_soc_component_update_bits(component, M98088_REG_1C_DAI2_FORMAT,
1053                       M98088_DAI_WS, 0);
1054               break;
1055       case 24:
1056               snd_soc_component_update_bits(component, M98088_REG_1C_DAI2_FORMAT,
1057                       M98088_DAI_WS, M98088_DAI_WS);
1058               break;
1059       default:
1060               return -EINVAL;
1061       }
1062
1063       snd_soc_component_update_bits(component, M98088_REG_51_PWR_SYS, M98088_SHDNRUN, 0);
1064
1065       if (rate_value(rate, &regval))
1066               return -EINVAL;
1067
1068       snd_soc_component_update_bits(component, M98088_REG_19_DAI2_CLKMODE,
1069               M98088_CLKMODE_MASK, regval);
1070       cdata->rate = rate;
1071
1072       /* Configure NI when operating as master */
1073       if (snd_soc_component_read(component, M98088_REG_1C_DAI2_FORMAT)
1074               & M98088_DAI_MAS) {
1075               unsigned long pclk;
1076
1077               if (max98088->sysclk == 0) {
1078                       dev_err(component->dev, "Invalid system clock frequency\n");
1079                       return -EINVAL;
1080               }
1081               ni = 65536ULL * (rate < 50000 ? 96ULL : 48ULL)
1082                               * (unsigned long long int)rate;
1083               pclk = DIV_ROUND_CLOSEST(max98088->sysclk, max98088->mclk_prescaler);
1084               ni = DIV_ROUND_CLOSEST_ULL(ni, pclk);
1085               snd_soc_component_write(component, M98088_REG_1A_DAI2_CLKCFG_HI,
1086                       (ni >> 8) & 0x7F);
1087               snd_soc_component_write(component, M98088_REG_1B_DAI2_CLKCFG_LO,
1088                       ni & 0xFF);
1089       }
1090
1091       /* Update sample rate mode */
1092       if (rate < 50000)
1093               snd_soc_component_update_bits(component, M98088_REG_20_DAI2_FILTERS,
1094                       M98088_DAI_DHF, 0);
1095       else
1096               snd_soc_component_update_bits(component, M98088_REG_20_DAI2_FILTERS,
1097                       M98088_DAI_DHF, M98088_DAI_DHF);
1098
1099       snd_soc_component_update_bits(component, M98088_REG_51_PWR_SYS, M98088_SHDNRUN,
1100               M98088_SHDNRUN);
1101
1102       return 0;
1103}
1104
1105static int max98088_dai_set_sysclk(struct snd_soc_dai *dai,
1106                                  int clk_id, unsigned int freq, int dir)
1107{
1108       struct snd_soc_component *component = dai->component;
1109       struct max98088_priv *max98088 = snd_soc_component_get_drvdata(component);
1110
1111       /* Requested clock frequency is already setup */
1112       if (freq == max98088->sysclk)
1113               return 0;
1114
1115	if (!IS_ERR(max98088->mclk)) {
1116		freq = clk_round_rate(max98088->mclk, freq);
1117		clk_set_rate(max98088->mclk, freq);
1118	}
1119
1120       /* Setup clocks for slave mode, and using the PLL
1121        * PSCLK = 0x01 (when master clk is 10MHz to 20MHz)
1122        *         0x02 (when master clk is 20MHz to 30MHz)..
1123        */
1124       if ((freq >= 10000000) && (freq < 20000000)) {
1125               snd_soc_component_write(component, M98088_REG_10_SYS_CLK, 0x10);
1126               max98088->mclk_prescaler = 1;
1127       } else if ((freq >= 20000000) && (freq < 30000000)) {
1128               snd_soc_component_write(component, M98088_REG_10_SYS_CLK, 0x20);
1129               max98088->mclk_prescaler = 2;
1130       } else {
1131               dev_err(component->dev, "Invalid master clock frequency\n");
1132               return -EINVAL;
1133       }
1134
1135       if (snd_soc_component_read(component, M98088_REG_51_PWR_SYS)  & M98088_SHDNRUN) {
1136               snd_soc_component_update_bits(component, M98088_REG_51_PWR_SYS,
1137                       M98088_SHDNRUN, 0);
1138               snd_soc_component_update_bits(component, M98088_REG_51_PWR_SYS,
1139                       M98088_SHDNRUN, M98088_SHDNRUN);
1140       }
1141
1142       dev_dbg(dai->dev, "Clock source is %d at %uHz\n", clk_id, freq);
1143
1144       max98088->sysclk = freq;
1145       return 0;
1146}
1147
1148static int max98088_dai1_set_fmt(struct snd_soc_dai *codec_dai,
1149                                unsigned int fmt)
1150{
1151       struct snd_soc_component *component = codec_dai->component;
1152       struct max98088_priv *max98088 = snd_soc_component_get_drvdata(component);
1153       struct max98088_cdata *cdata;
1154       u8 reg15val;
1155       u8 reg14val = 0;
1156
1157       cdata = &max98088->dai[0];
1158
1159       if (fmt != cdata->fmt) {
1160               cdata->fmt = fmt;
1161
1162               switch (fmt & SND_SOC_DAIFMT_CLOCK_PROVIDER_MASK) {
1163               case SND_SOC_DAIFMT_CBC_CFC:
1164                       /* Consumer mode PLL */
1165                       snd_soc_component_write(component, M98088_REG_12_DAI1_CLKCFG_HI,
1166                               0x80);
1167                       snd_soc_component_write(component, M98088_REG_13_DAI1_CLKCFG_LO,
1168                               0x00);
1169                       break;
1170               case SND_SOC_DAIFMT_CBP_CFP:
1171                       /* Set to provider mode */
1172                       reg14val |= M98088_DAI_MAS;
1173                       break;
1174               default:
1175                       dev_err(component->dev, "Clock mode unsupported");
1176                       return -EINVAL;
1177               }
1178
1179               switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
1180               case SND_SOC_DAIFMT_I2S:
1181                       reg14val |= M98088_DAI_DLY;
1182                       break;
1183               case SND_SOC_DAIFMT_LEFT_J:
1184                       break;
1185               default:
1186                       return -EINVAL;
1187               }
1188
1189               switch (fmt & SND_SOC_DAIFMT_INV_MASK) {
1190               case SND_SOC_DAIFMT_NB_NF:
1191                       break;
1192               case SND_SOC_DAIFMT_NB_IF:
1193                       reg14val |= M98088_DAI_WCI;
1194                       break;
1195               case SND_SOC_DAIFMT_IB_NF:
1196                       reg14val |= M98088_DAI_BCI;
1197                       break;
1198               case SND_SOC_DAIFMT_IB_IF:
1199                       reg14val |= M98088_DAI_BCI|M98088_DAI_WCI;
1200                       break;
1201               default:
1202                       return -EINVAL;
1203               }
1204
1205               snd_soc_component_update_bits(component, M98088_REG_14_DAI1_FORMAT,
1206                       M98088_DAI_MAS | M98088_DAI_DLY | M98088_DAI_BCI |
1207                       M98088_DAI_WCI, reg14val);
1208
1209               reg15val = M98088_DAI_BSEL64;
1210               if (max98088->digmic)
1211                       reg15val |= M98088_DAI_OSR64;
1212               snd_soc_component_write(component, M98088_REG_15_DAI1_CLOCK, reg15val);
1213       }
1214
1215       return 0;
1216}
1217
1218static int max98088_dai2_set_fmt(struct snd_soc_dai *codec_dai,
1219                                unsigned int fmt)
1220{
1221       struct snd_soc_component *component = codec_dai->component;
1222       struct max98088_priv *max98088 = snd_soc_component_get_drvdata(component);
1223       struct max98088_cdata *cdata;
1224       u8 reg1Cval = 0;
1225
1226       cdata = &max98088->dai[1];
1227
1228       if (fmt != cdata->fmt) {
1229               cdata->fmt = fmt;
1230
1231               switch (fmt & SND_SOC_DAIFMT_CLOCK_PROVIDER_MASK) {
1232               case SND_SOC_DAIFMT_CBC_CFC:
1233                       /* Consumer mode PLL */
1234                       snd_soc_component_write(component, M98088_REG_1A_DAI2_CLKCFG_HI,
1235                               0x80);
1236                       snd_soc_component_write(component, M98088_REG_1B_DAI2_CLKCFG_LO,
1237                               0x00);
1238                       break;
1239               case SND_SOC_DAIFMT_CBP_CFP:
1240                       /* Set to provider mode */
1241                       reg1Cval |= M98088_DAI_MAS;
1242                       break;
1243               default:
1244                       dev_err(component->dev, "Clock mode unsupported");
1245                       return -EINVAL;
1246               }
1247
1248               switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
1249               case SND_SOC_DAIFMT_I2S:
1250                       reg1Cval |= M98088_DAI_DLY;
1251                       break;
1252               case SND_SOC_DAIFMT_LEFT_J:
1253                       break;
1254               default:
1255                       return -EINVAL;
1256               }
1257
1258               switch (fmt & SND_SOC_DAIFMT_INV_MASK) {
1259               case SND_SOC_DAIFMT_NB_NF:
1260                       break;
1261               case SND_SOC_DAIFMT_NB_IF:
1262                       reg1Cval |= M98088_DAI_WCI;
1263                       break;
1264               case SND_SOC_DAIFMT_IB_NF:
1265                       reg1Cval |= M98088_DAI_BCI;
1266                       break;
1267               case SND_SOC_DAIFMT_IB_IF:
1268                       reg1Cval |= M98088_DAI_BCI|M98088_DAI_WCI;
1269                       break;
1270               default:
1271                       return -EINVAL;
1272               }
1273
1274               snd_soc_component_update_bits(component, M98088_REG_1C_DAI2_FORMAT,
1275                       M98088_DAI_MAS | M98088_DAI_DLY | M98088_DAI_BCI |
1276                       M98088_DAI_WCI, reg1Cval);
1277
1278               snd_soc_component_write(component, M98088_REG_1D_DAI2_CLOCK,
1279                       M98088_DAI_BSEL64);
1280       }
1281
1282       return 0;
1283}
1284
1285static int max98088_dai1_mute(struct snd_soc_dai *codec_dai, int mute,
1286			      int direction)
1287{
1288       struct snd_soc_component *component = codec_dai->component;
1289       int reg;
1290
1291       if (mute)
1292               reg = M98088_DAI_MUTE;
1293       else
1294               reg = 0;
1295
1296       snd_soc_component_update_bits(component, M98088_REG_2F_LVL_DAI1_PLAY,
1297                           M98088_DAI_MUTE_MASK, reg);
1298       return 0;
1299}
1300
1301static int max98088_dai2_mute(struct snd_soc_dai *codec_dai, int mute,
1302			      int direction)
1303{
1304       struct snd_soc_component *component = codec_dai->component;
1305       int reg;
1306
1307       if (mute)
1308               reg = M98088_DAI_MUTE;
1309       else
1310               reg = 0;
1311
1312       snd_soc_component_update_bits(component, M98088_REG_31_LVL_DAI2_PLAY,
1313                           M98088_DAI_MUTE_MASK, reg);
1314       return 0;
1315}
1316
1317static int max98088_set_bias_level(struct snd_soc_component *component,
1318                                  enum snd_soc_bias_level level)
1319{
1320	struct max98088_priv *max98088 = snd_soc_component_get_drvdata(component);
1321
1322	switch (level) {
1323	case SND_SOC_BIAS_ON:
1324		break;
1325
1326	case SND_SOC_BIAS_PREPARE:
1327		/*
1328		 * SND_SOC_BIAS_PREPARE is called while preparing for a
1329		 * transition to ON or away from ON. If current bias_level
1330		 * is SND_SOC_BIAS_ON, then it is preparing for a transition
1331		 * away from ON. Disable the clock in that case, otherwise
1332		 * enable it.
1333		 */
1334		if (!IS_ERR(max98088->mclk)) {
1335			if (snd_soc_component_get_bias_level(component) ==
1336			    SND_SOC_BIAS_ON)
1337				clk_disable_unprepare(max98088->mclk);
1338			else
1339				clk_prepare_enable(max98088->mclk);
1340		}
1341		break;
1342
1343	case SND_SOC_BIAS_STANDBY:
1344		if (snd_soc_component_get_bias_level(component) == SND_SOC_BIAS_OFF)
1345			regcache_sync(max98088->regmap);
1346
1347		snd_soc_component_update_bits(component, M98088_REG_4C_PWR_EN_IN,
1348				   M98088_MBEN, M98088_MBEN);
1349		break;
1350
1351	case SND_SOC_BIAS_OFF:
1352		snd_soc_component_update_bits(component, M98088_REG_4C_PWR_EN_IN,
1353				    M98088_MBEN, 0);
1354		regcache_mark_dirty(max98088->regmap);
1355		break;
1356	}
1357	return 0;
1358}
1359
1360#define MAX98088_RATES SNDRV_PCM_RATE_8000_96000
1361#define MAX98088_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S24_LE)
1362
1363static const struct snd_soc_dai_ops max98088_dai1_ops = {
1364       .set_sysclk = max98088_dai_set_sysclk,
1365       .set_fmt = max98088_dai1_set_fmt,
1366       .hw_params = max98088_dai1_hw_params,
1367       .mute_stream = max98088_dai1_mute,
1368       .no_capture_mute = 1,
1369};
1370
1371static const struct snd_soc_dai_ops max98088_dai2_ops = {
1372       .set_sysclk = max98088_dai_set_sysclk,
1373       .set_fmt = max98088_dai2_set_fmt,
1374       .hw_params = max98088_dai2_hw_params,
1375       .mute_stream = max98088_dai2_mute,
1376       .no_capture_mute = 1,
1377};
1378
1379static struct snd_soc_dai_driver max98088_dai[] = {
1380{
1381       .name = "HiFi",
1382       .playback = {
1383               .stream_name = "HiFi Playback",
1384               .channels_min = 1,
1385               .channels_max = 2,
1386               .rates = MAX98088_RATES,
1387               .formats = MAX98088_FORMATS,
1388       },
1389       .capture = {
1390               .stream_name = "HiFi Capture",
1391               .channels_min = 1,
1392               .channels_max = 2,
1393               .rates = MAX98088_RATES,
1394               .formats = MAX98088_FORMATS,
1395       },
1396        .ops = &max98088_dai1_ops,
1397},
1398{
1399       .name = "Aux",
1400       .playback = {
1401               .stream_name = "Aux Playback",
1402               .channels_min = 1,
1403               .channels_max = 2,
1404               .rates = MAX98088_RATES,
1405               .formats = MAX98088_FORMATS,
1406       },
1407       .ops = &max98088_dai2_ops,
1408}
1409};
1410
1411static const char *eq_mode_name[] = {"EQ1 Mode", "EQ2 Mode"};
1412
1413static int max98088_get_channel(struct snd_soc_component *component, const char *name)
1414{
1415	int ret;
1416
1417	ret = match_string(eq_mode_name, ARRAY_SIZE(eq_mode_name), name);
1418	if (ret < 0)
1419		dev_err(component->dev, "Bad EQ channel name '%s'\n", name);
1420	return ret;
1421}
1422
1423static void max98088_setup_eq1(struct snd_soc_component *component)
1424{
1425       struct max98088_priv *max98088 = snd_soc_component_get_drvdata(component);
1426       struct max98088_pdata *pdata = max98088->pdata;
1427       struct max98088_eq_cfg *coef_set;
1428       int best, best_val, save, i, sel, fs;
1429       struct max98088_cdata *cdata;
1430
1431       cdata = &max98088->dai[0];
1432
1433       if (!pdata || !max98088->eq_textcnt)
1434               return;
1435
1436       /* Find the selected configuration with nearest sample rate */
1437       fs = cdata->rate;
1438       sel = cdata->eq_sel;
1439
1440       best = 0;
1441       best_val = INT_MAX;
1442       for (i = 0; i < pdata->eq_cfgcnt; i++) {
1443               if (strcmp(pdata->eq_cfg[i].name, max98088->eq_texts[sel]) == 0 &&
1444                   abs(pdata->eq_cfg[i].rate - fs) < best_val) {
1445                       best = i;
1446                       best_val = abs(pdata->eq_cfg[i].rate - fs);
1447               }
1448       }
1449
1450       dev_dbg(component->dev, "Selected %s/%dHz for %dHz sample rate\n",
1451               pdata->eq_cfg[best].name,
1452               pdata->eq_cfg[best].rate, fs);
1453
1454       /* Disable EQ while configuring, and save current on/off state */
1455       save = snd_soc_component_read(component, M98088_REG_49_CFG_LEVEL);
1456       snd_soc_component_update_bits(component, M98088_REG_49_CFG_LEVEL, M98088_EQ1EN, 0);
1457
1458       coef_set = &pdata->eq_cfg[sel];
1459
1460       m98088_eq_band(component, 0, 0, coef_set->band1);
1461       m98088_eq_band(component, 0, 1, coef_set->band2);
1462       m98088_eq_band(component, 0, 2, coef_set->band3);
1463       m98088_eq_band(component, 0, 3, coef_set->band4);
1464       m98088_eq_band(component, 0, 4, coef_set->band5);
1465
1466       /* Restore the original on/off state */
1467       snd_soc_component_update_bits(component, M98088_REG_49_CFG_LEVEL, M98088_EQ1EN, save);
1468}
1469
1470static void max98088_setup_eq2(struct snd_soc_component *component)
1471{
1472       struct max98088_priv *max98088 = snd_soc_component_get_drvdata(component);
1473       struct max98088_pdata *pdata = max98088->pdata;
1474       struct max98088_eq_cfg *coef_set;
1475       int best, best_val, save, i, sel, fs;
1476       struct max98088_cdata *cdata;
1477
1478       cdata = &max98088->dai[1];
1479
1480       if (!pdata || !max98088->eq_textcnt)
1481               return;
1482
1483       /* Find the selected configuration with nearest sample rate */
1484       fs = cdata->rate;
1485
1486       sel = cdata->eq_sel;
1487       best = 0;
1488       best_val = INT_MAX;
1489       for (i = 0; i < pdata->eq_cfgcnt; i++) {
1490               if (strcmp(pdata->eq_cfg[i].name, max98088->eq_texts[sel]) == 0 &&
1491                   abs(pdata->eq_cfg[i].rate - fs) < best_val) {
1492                       best = i;
1493                       best_val = abs(pdata->eq_cfg[i].rate - fs);
1494               }
1495       }
1496
1497       dev_dbg(component->dev, "Selected %s/%dHz for %dHz sample rate\n",
1498               pdata->eq_cfg[best].name,
1499               pdata->eq_cfg[best].rate, fs);
1500
1501       /* Disable EQ while configuring, and save current on/off state */
1502       save = snd_soc_component_read(component, M98088_REG_49_CFG_LEVEL);
1503       snd_soc_component_update_bits(component, M98088_REG_49_CFG_LEVEL, M98088_EQ2EN, 0);
1504
1505       coef_set = &pdata->eq_cfg[sel];
1506
1507       m98088_eq_band(component, 1, 0, coef_set->band1);
1508       m98088_eq_band(component, 1, 1, coef_set->band2);
1509       m98088_eq_band(component, 1, 2, coef_set->band3);
1510       m98088_eq_band(component, 1, 3, coef_set->band4);
1511       m98088_eq_band(component, 1, 4, coef_set->band5);
1512
1513       /* Restore the original on/off state */
1514       snd_soc_component_update_bits(component, M98088_REG_49_CFG_LEVEL, M98088_EQ2EN,
1515               save);
1516}
1517
1518static int max98088_put_eq_enum(struct snd_kcontrol *kcontrol,
1519                                struct snd_ctl_elem_value *ucontrol)
1520{
1521       struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol);
1522       struct max98088_priv *max98088 = snd_soc_component_get_drvdata(component);
1523       struct max98088_pdata *pdata = max98088->pdata;
1524       int channel = max98088_get_channel(component, kcontrol->id.name);
1525       struct max98088_cdata *cdata;
1526	int sel = ucontrol->value.enumerated.item[0];
1527
1528       if (channel < 0)
1529	       return channel;
1530
1531       cdata = &max98088->dai[channel];
1532
1533       if (sel >= pdata->eq_cfgcnt)
1534               return -EINVAL;
1535
1536       cdata->eq_sel = sel;
1537
1538       switch (channel) {
1539       case 0:
1540               max98088_setup_eq1(component);
1541               break;
1542       case 1:
1543               max98088_setup_eq2(component);
1544               break;
1545       }
1546
1547       return 0;
1548}
1549
1550static int max98088_get_eq_enum(struct snd_kcontrol *kcontrol,
1551                                struct snd_ctl_elem_value *ucontrol)
1552{
1553       struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol);
1554       struct max98088_priv *max98088 = snd_soc_component_get_drvdata(component);
1555       int channel = max98088_get_channel(component, kcontrol->id.name);
1556       struct max98088_cdata *cdata;
1557
1558       if (channel < 0)
1559	       return channel;
1560
1561       cdata = &max98088->dai[channel];
1562       ucontrol->value.enumerated.item[0] = cdata->eq_sel;
1563       return 0;
1564}
1565
1566static void max98088_handle_eq_pdata(struct snd_soc_component *component)
1567{
1568       struct max98088_priv *max98088 = snd_soc_component_get_drvdata(component);
1569       struct max98088_pdata *pdata = max98088->pdata;
1570       struct max98088_eq_cfg *cfg;
1571       unsigned int cfgcnt;
1572       int i, j;
1573       const char **t;
1574       int ret;
1575       struct snd_kcontrol_new controls[] = {
1576               SOC_ENUM_EXT((char *)eq_mode_name[0],
1577                       max98088->eq_enum,
1578                       max98088_get_eq_enum,
1579                       max98088_put_eq_enum),
1580               SOC_ENUM_EXT((char *)eq_mode_name[1],
1581                       max98088->eq_enum,
1582                       max98088_get_eq_enum,
1583                       max98088_put_eq_enum),
1584       };
1585       BUILD_BUG_ON(ARRAY_SIZE(controls) != ARRAY_SIZE(eq_mode_name));
1586
1587       cfg = pdata->eq_cfg;
1588       cfgcnt = pdata->eq_cfgcnt;
1589
1590       /* Setup an array of texts for the equalizer enum.
1591        * This is based on Mark Brown's equalizer driver code.
1592        */
1593       max98088->eq_textcnt = 0;
1594       max98088->eq_texts = NULL;
1595       for (i = 0; i < cfgcnt; i++) {
1596               for (j = 0; j < max98088->eq_textcnt; j++) {
1597                       if (strcmp(cfg[i].name, max98088->eq_texts[j]) == 0)
1598                               break;
1599               }
1600
1601               if (j != max98088->eq_textcnt)
1602                       continue;
1603
1604               /* Expand the array */
1605               t = krealloc(max98088->eq_texts,
1606                            sizeof(char *) * (max98088->eq_textcnt + 1),
1607                            GFP_KERNEL);
1608               if (t == NULL)
1609                       continue;
1610
1611               /* Store the new entry */
1612               t[max98088->eq_textcnt] = cfg[i].name;
1613               max98088->eq_textcnt++;
1614               max98088->eq_texts = t;
1615       }
1616
1617       /* Now point the soc_enum to .texts array items */
1618       max98088->eq_enum.texts = max98088->eq_texts;
1619       max98088->eq_enum.items = max98088->eq_textcnt;
1620
1621       ret = snd_soc_add_component_controls(component, controls, ARRAY_SIZE(controls));
1622       if (ret != 0)
1623               dev_err(component->dev, "Failed to add EQ control: %d\n", ret);
1624}
1625
1626static void max98088_handle_pdata(struct snd_soc_component *component)
1627{
1628       struct max98088_priv *max98088 = snd_soc_component_get_drvdata(component);
1629       struct max98088_pdata *pdata = max98088->pdata;
1630       u8 regval = 0;
1631
1632       if (!pdata) {
1633               dev_dbg(component->dev, "No platform data\n");
1634               return;
1635       }
1636
1637       /* Configure mic for analog/digital mic mode */
1638       if (pdata->digmic_left_mode)
1639               regval |= M98088_DIGMIC_L;
1640
1641       if (pdata->digmic_right_mode)
1642               regval |= M98088_DIGMIC_R;
1643
1644       max98088->digmic = (regval ? 1 : 0);
1645
1646       snd_soc_component_write(component, M98088_REG_48_CFG_MIC, regval);
1647
1648       /* Configure receiver output */
1649       regval = ((pdata->receiver_mode) ? M98088_REC_LINEMODE : 0);
1650       snd_soc_component_update_bits(component, M98088_REG_2A_MIC_REC_CNTL,
1651               M98088_REC_LINEMODE_MASK, regval);
1652
1653       /* Configure equalizers */
1654       if (pdata->eq_cfgcnt)
1655               max98088_handle_eq_pdata(component);
1656}
1657
1658static int max98088_probe(struct snd_soc_component *component)
1659{
1660       struct max98088_priv *max98088 = snd_soc_component_get_drvdata(component);
1661       struct max98088_cdata *cdata;
1662       int ret = 0;
1663
1664       regcache_mark_dirty(max98088->regmap);
1665
1666       /* initialize private data */
1667
1668       max98088->sysclk = (unsigned)-1;
1669       max98088->eq_textcnt = 0;
1670
1671       cdata = &max98088->dai[0];
1672       cdata->rate = (unsigned)-1;
1673       cdata->fmt  = (unsigned)-1;
1674       cdata->eq_sel = 0;
1675
1676       cdata = &max98088->dai[1];
1677       cdata->rate = (unsigned)-1;
1678       cdata->fmt  = (unsigned)-1;
1679       cdata->eq_sel = 0;
1680
1681       max98088->ina_state = 0;
1682       max98088->inb_state = 0;
1683       max98088->ex_mode = 0;
1684       max98088->digmic = 0;
1685       max98088->mic1pre = 0;
1686       max98088->mic2pre = 0;
1687
1688       ret = snd_soc_component_read(component, M98088_REG_FF_REV_ID);
1689       if (ret < 0) {
1690               dev_err(component->dev, "Failed to read device revision: %d\n",
1691                       ret);
1692               goto err_access;
1693       }
1694       dev_info(component->dev, "revision %c\n", ret - 0x40 + 'A');
1695
1696       snd_soc_component_write(component, M98088_REG_51_PWR_SYS, M98088_PWRSV);
1697
1698       snd_soc_component_write(component, M98088_REG_0F_IRQ_ENABLE, 0x00);
1699
1700       snd_soc_component_write(component, M98088_REG_22_MIX_DAC,
1701               M98088_DAI1L_TO_DACL|M98088_DAI2L_TO_DACL|
1702               M98088_DAI1R_TO_DACR|M98088_DAI2R_TO_DACR);
1703
1704       snd_soc_component_write(component, M98088_REG_4E_BIAS_CNTL, 0xF0);
1705       snd_soc_component_write(component, M98088_REG_50_DAC_BIAS2, 0x0F);
1706
1707       snd_soc_component_write(component, M98088_REG_16_DAI1_IOCFG,
1708               M98088_S1NORMAL|M98088_SDATA);
1709
1710       snd_soc_component_write(component, M98088_REG_1E_DAI2_IOCFG,
1711               M98088_S2NORMAL|M98088_SDATA);
1712
1713       max98088_handle_pdata(component);
1714
1715err_access:
1716       return ret;
1717}
1718
1719static void max98088_remove(struct snd_soc_component *component)
1720{
1721       struct max98088_priv *max98088 = snd_soc_component_get_drvdata(component);
1722
1723       kfree(max98088->eq_texts);
1724}
1725
1726static const struct snd_soc_component_driver soc_component_dev_max98088 = {
1727	.probe			= max98088_probe,
1728	.remove			= max98088_remove,
1729	.set_bias_level		= max98088_set_bias_level,
1730	.controls		= max98088_snd_controls,
1731	.num_controls		= ARRAY_SIZE(max98088_snd_controls),
1732	.dapm_widgets		= max98088_dapm_widgets,
1733	.num_dapm_widgets	= ARRAY_SIZE(max98088_dapm_widgets),
1734	.dapm_routes		= max98088_audio_map,
1735	.num_dapm_routes	= ARRAY_SIZE(max98088_audio_map),
1736	.suspend_bias_off	= 1,
1737	.idle_bias_on		= 1,
1738	.use_pmdown_time	= 1,
1739	.endianness		= 1,
1740};
1741
1742static const struct i2c_device_id max98088_i2c_id[] = {
1743       { "max98088", MAX98088 },
1744       { "max98089", MAX98089 },
1745       { }
1746};
1747MODULE_DEVICE_TABLE(i2c, max98088_i2c_id);
1748
1749static int max98088_i2c_probe(struct i2c_client *i2c)
1750{
1751	struct max98088_priv *max98088;
1752	const struct i2c_device_id *id;
1753
1754	max98088 = devm_kzalloc(&i2c->dev, sizeof(struct max98088_priv),
1755				GFP_KERNEL);
1756	if (max98088 == NULL)
1757		return -ENOMEM;
1758
1759	max98088->regmap = devm_regmap_init_i2c(i2c, &max98088_regmap);
1760	if (IS_ERR(max98088->regmap))
1761		return PTR_ERR(max98088->regmap);
1762
1763	max98088->mclk = devm_clk_get(&i2c->dev, "mclk");
1764	if (IS_ERR(max98088->mclk))
1765		if (PTR_ERR(max98088->mclk) == -EPROBE_DEFER)
1766			return PTR_ERR(max98088->mclk);
1767
1768	id = i2c_match_id(max98088_i2c_id, i2c);
1769	max98088->devtype = id->driver_data;
1770
1771	i2c_set_clientdata(i2c, max98088);
1772	max98088->pdata = i2c->dev.platform_data;
1773
1774	return devm_snd_soc_register_component(&i2c->dev, &soc_component_dev_max98088,
1775					      &max98088_dai[0], 2);
1776}
1777
1778#if defined(CONFIG_OF)
1779static const struct of_device_id max98088_of_match[] = {
1780	{ .compatible = "maxim,max98088" },
1781	{ .compatible = "maxim,max98089" },
1782	{ }
1783};
1784MODULE_DEVICE_TABLE(of, max98088_of_match);
1785#endif
1786
1787static struct i2c_driver max98088_i2c_driver = {
1788	.driver = {
1789		.name = "max98088",
1790		.of_match_table = of_match_ptr(max98088_of_match),
1791	},
1792	.probe = max98088_i2c_probe,
1793	.id_table = max98088_i2c_id,
1794};
1795
1796module_i2c_driver(max98088_i2c_driver);
1797
1798MODULE_DESCRIPTION("ALSA SoC MAX98088 driver");
1799MODULE_AUTHOR("Peter Hsiang, Jesse Marroquin");
1800MODULE_LICENSE("GPL");
1801