1	// SPDX-License-Identifier: GPL-2.0-only
2	/*
3	* max98095.c -- MAX98095 ALSA SoC Audio driver
4	*
5	* Copyright 2011 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/clk.h>
16	#include <linux/mutex.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/max98095.h>
26	#include <sound/jack.h>
27	#include "max98095.h"
28
29	enum max98095_type {
30	MAX98095,
31	};
32
33	struct max98095_cdata {
34	unsigned int rate;
35	unsigned int fmt;
36	int eq_sel;
37	int bq_sel;
38	};
39
40	struct max98095_priv {
41	struct regmap *regmap;
42	enum max98095_type devtype;
43	struct max98095_pdata *pdata;
44	struct clk *mclk;
45	unsigned int sysclk;
46	struct max98095_cdata dai[3];
47	const char **eq_texts;
48	const char **bq_texts;
49	struct soc_enum eq_enum;
50	struct soc_enum bq_enum;
51	int eq_textcnt;
52	int bq_textcnt;
53	u8 lin_state;
54	unsigned int mic1pre;
55	unsigned int mic2pre;
56	struct snd_soc_jack *headphone_jack;
57	struct snd_soc_jack *mic_jack;
58	struct mutex lock;
59	};
60
61	static const struct reg_default max98095_reg_def[] = {
62	{ 0xf, 0x00 }, /* 0F */
63	{ 0x10, 0x00 }, /* 10 */
64	{ 0x11, 0x00 }, /* 11 */
65	{ 0x12, 0x00 }, /* 12 */
66	{ 0x13, 0x00 }, /* 13 */
67	{ 0x14, 0x00 }, /* 14 */
68	{ 0x15, 0x00 }, /* 15 */
69	{ 0x16, 0x00 }, /* 16 */
70	{ 0x17, 0x00 }, /* 17 */
71	{ 0x18, 0x00 }, /* 18 */
72	{ 0x19, 0x00 }, /* 19 */
73	{ 0x1a, 0x00 }, /* 1A */
74	{ 0x1b, 0x00 }, /* 1B */
75	{ 0x1c, 0x00 }, /* 1C */
76	{ 0x1d, 0x00 }, /* 1D */
77	{ 0x1e, 0x00 }, /* 1E */
78	{ 0x1f, 0x00 }, /* 1F */
79	{ 0x20, 0x00 }, /* 20 */
80	{ 0x21, 0x00 }, /* 21 */
81	{ 0x22, 0x00 }, /* 22 */
82	{ 0x23, 0x00 }, /* 23 */
83	{ 0x24, 0x00 }, /* 24 */
84	{ 0x25, 0x00 }, /* 25 */
85	{ 0x26, 0x00 }, /* 26 */
86	{ 0x27, 0x00 }, /* 27 */
87	{ 0x28, 0x00 }, /* 28 */
88	{ 0x29, 0x00 }, /* 29 */
89	{ 0x2a, 0x00 }, /* 2A */
90	{ 0x2b, 0x00 }, /* 2B */
91	{ 0x2c, 0x00 }, /* 2C */
92	{ 0x2d, 0x00 }, /* 2D */
93	{ 0x2e, 0x00 }, /* 2E */
94	{ 0x2f, 0x00 }, /* 2F */
95	{ 0x30, 0x00 }, /* 30 */
96	{ 0x31, 0x00 }, /* 31 */
97	{ 0x32, 0x00 }, /* 32 */
98	{ 0x33, 0x00 }, /* 33 */
99	{ 0x34, 0x00 }, /* 34 */
100	{ 0x35, 0x00 }, /* 35 */
101	{ 0x36, 0x00 }, /* 36 */
102	{ 0x37, 0x00 }, /* 37 */
103	{ 0x38, 0x00 }, /* 38 */
104	{ 0x39, 0x00 }, /* 39 */
105	{ 0x3a, 0x00 }, /* 3A */
106	{ 0x3b, 0x00 }, /* 3B */
107	{ 0x3c, 0x00 }, /* 3C */
108	{ 0x3d, 0x00 }, /* 3D */
109	{ 0x3e, 0x00 }, /* 3E */
110	{ 0x3f, 0x00 }, /* 3F */
111	{ 0x40, 0x00 }, /* 40 */
112	{ 0x41, 0x00 }, /* 41 */
113	{ 0x42, 0x00 }, /* 42 */
114	{ 0x43, 0x00 }, /* 43 */
115	{ 0x44, 0x00 }, /* 44 */
116	{ 0x45, 0x00 }, /* 45 */
117	{ 0x46, 0x00 }, /* 46 */
118	{ 0x47, 0x00 }, /* 47 */
119	{ 0x48, 0x00 }, /* 48 */
120	{ 0x49, 0x00 }, /* 49 */
121	{ 0x4a, 0x00 }, /* 4A */
122	{ 0x4b, 0x00 }, /* 4B */
123	{ 0x4c, 0x00 }, /* 4C */
124	{ 0x4d, 0x00 }, /* 4D */
125	{ 0x4e, 0x00 }, /* 4E */
126	{ 0x4f, 0x00 }, /* 4F */
127	{ 0x50, 0x00 }, /* 50 */
128	{ 0x51, 0x00 }, /* 51 */
129	{ 0x52, 0x00 }, /* 52 */
130	{ 0x53, 0x00 }, /* 53 */
131	{ 0x54, 0x00 }, /* 54 */
132	{ 0x55, 0x00 }, /* 55 */
133	{ 0x56, 0x00 }, /* 56 */
134	{ 0x57, 0x00 }, /* 57 */
135	{ 0x58, 0x00 }, /* 58 */
136	{ 0x59, 0x00 }, /* 59 */
137	{ 0x5a, 0x00 }, /* 5A */
138	{ 0x5b, 0x00 }, /* 5B */
139	{ 0x5c, 0x00 }, /* 5C */
140	{ 0x5d, 0x00 }, /* 5D */
141	{ 0x5e, 0x00 }, /* 5E */
142	{ 0x5f, 0x00 }, /* 5F */
143	{ 0x60, 0x00 }, /* 60 */
144	{ 0x61, 0x00 }, /* 61 */
145	{ 0x62, 0x00 }, /* 62 */
146	{ 0x63, 0x00 }, /* 63 */
147	{ 0x64, 0x00 }, /* 64 */
148	{ 0x65, 0x00 }, /* 65 */
149	{ 0x66, 0x00 }, /* 66 */
150	{ 0x67, 0x00 }, /* 67 */
151	{ 0x68, 0x00 }, /* 68 */
152	{ 0x69, 0x00 }, /* 69 */
153	{ 0x6a, 0x00 }, /* 6A */
154	{ 0x6b, 0x00 }, /* 6B */
155	{ 0x6c, 0x00 }, /* 6C */
156	{ 0x6d, 0x00 }, /* 6D */
157	{ 0x6e, 0x00 }, /* 6E */
158	{ 0x6f, 0x00 }, /* 6F */
159	{ 0x70, 0x00 }, /* 70 */
160	{ 0x71, 0x00 }, /* 71 */
161	{ 0x72, 0x00 }, /* 72 */
162	{ 0x73, 0x00 }, /* 73 */
163	{ 0x74, 0x00 }, /* 74 */
164	{ 0x75, 0x00 }, /* 75 */
165	{ 0x76, 0x00 }, /* 76 */
166	{ 0x77, 0x00 }, /* 77 */
167	{ 0x78, 0x00 }, /* 78 */
168	{ 0x79, 0x00 }, /* 79 */
169	{ 0x7a, 0x00 }, /* 7A */
170	{ 0x7b, 0x00 }, /* 7B */
171	{ 0x7c, 0x00 }, /* 7C */
172	{ 0x7d, 0x00 }, /* 7D */
173	{ 0x7e, 0x00 }, /* 7E */
174	{ 0x7f, 0x00 }, /* 7F */
175	{ 0x80, 0x00 }, /* 80 */
176	{ 0x81, 0x00 }, /* 81 */
177	{ 0x82, 0x00 }, /* 82 */
178	{ 0x83, 0x00 }, /* 83 */
179	{ 0x84, 0x00 }, /* 84 */
180	{ 0x85, 0x00 }, /* 85 */
181	{ 0x86, 0x00 }, /* 86 */
182	{ 0x87, 0x00 }, /* 87 */
183	{ 0x88, 0x00 }, /* 88 */
184	{ 0x89, 0x00 }, /* 89 */
185	{ 0x8a, 0x00 }, /* 8A */
186	{ 0x8b, 0x00 }, /* 8B */
187	{ 0x8c, 0x00 }, /* 8C */
188	{ 0x8d, 0x00 }, /* 8D */
189	{ 0x8e, 0x00 }, /* 8E */
190	{ 0x8f, 0x00 }, /* 8F */
191	{ 0x90, 0x00 }, /* 90 */
192	{ 0x91, 0x00 }, /* 91 */
193	{ 0x92, 0x30 }, /* 92 */
194	{ 0x93, 0xF0 }, /* 93 */
195	{ 0x94, 0x00 }, /* 94 */
196	{ 0x95, 0x00 }, /* 95 */
197	{ 0x96, 0x3F }, /* 96 */
198	{ 0x97, 0x00 }, /* 97 */
199	{ 0xff, 0x00 }, /* FF */
200	};
201
202	static bool max98095_readable(struct device *dev, unsigned int reg)
203	{
204	switch (reg) {
205	case M98095_001_HOST_INT_STS ... M98095_097_PWR_SYS:
206	case M98095_0FF_REV_ID:
207	return true;
208	default:
209	return false;
210	}
211	}
212
213	static bool max98095_writeable(struct device *dev, unsigned int reg)
214	{
215	switch (reg) {
216	case M98095_00F_HOST_CFG ... M98095_097_PWR_SYS:
217	return true;
218	default:
219	return false;
220	}
221	}
222
223	static bool max98095_volatile(struct device *dev, unsigned int reg)
224	{
225	switch (reg) {
226	case M98095_000_HOST_DATA ... M98095_00E_TEMP_SENSOR_STS:
227	case M98095_REG_MAX_CACHED + 1 ... M98095_0FF_REV_ID:
228	return true;
229	default:
230	return false;
231	}
232	}
233
234	static const struct regmap_config max98095_regmap = {
235	.reg_bits = 8,
236	.val_bits = 8,
237
238	.reg_defaults = max98095_reg_def,
239	.num_reg_defaults = ARRAY_SIZE(max98095_reg_def),
240	.max_register = M98095_0FF_REV_ID,
241	.cache_type = REGCACHE_RBTREE,
242
243	.readable_reg = max98095_readable,
244	.writeable_reg = max98095_writeable,
245	.volatile_reg = max98095_volatile,
246	};
247
248	/*
249	* Load equalizer DSP coefficient configurations registers
250	*/
251	static void m98095_eq_band(struct snd_soc_component *component, unsigned int dai,
252	unsigned int band, u16 *coefs)
253	{
254	unsigned int eq_reg;
255	unsigned int i;
256
257	if (WARN_ON(band > 4) ||
258	WARN_ON(dai > 1))
259	return;
260
261	/* Load the base register address */
262	eq_reg = dai ? M98095_142_DAI2_EQ_BASE : M98095_110_DAI1_EQ_BASE;
263
264	/* Add the band address offset, note adjustment for word address */
265	eq_reg += band * (M98095_COEFS_PER_BAND << 1);
266
267	/* Step through the registers and coefs */
268	for (i = 0; i < M98095_COEFS_PER_BAND; i++) {
269	snd_soc_component_write(component, reg: eq_reg++, M98095_BYTE1(coefs[i]));
270	snd_soc_component_write(component, reg: eq_reg++, M98095_BYTE0(coefs[i]));
271	}
272	}
273
274	/*
275	* Load biquad filter coefficient configurations registers
276	*/
277	static void m98095_biquad_band(struct snd_soc_component *component, unsigned int dai,
278	unsigned int band, u16 *coefs)
279	{
280	unsigned int bq_reg;
281	unsigned int i;
282
283	if (WARN_ON(band > 1) ||
284	WARN_ON(dai > 1))
285	return;
286
287	/* Load the base register address */
288	bq_reg = dai ? M98095_17E_DAI2_BQ_BASE : M98095_174_DAI1_BQ_BASE;
289
290	/* Add the band address offset, note adjustment for word address */
291	bq_reg += band * (M98095_COEFS_PER_BAND << 1);
292
293	/* Step through the registers and coefs */
294	for (i = 0; i < M98095_COEFS_PER_BAND; i++) {
295	snd_soc_component_write(component, reg: bq_reg++, M98095_BYTE1(coefs[i]));
296	snd_soc_component_write(component, reg: bq_reg++, M98095_BYTE0(coefs[i]));
297	}
298	}
299
300	static const char * const max98095_fltr_mode[] = { "Voice", "Music" };
301	static SOC_ENUM_SINGLE_DECL(max98095_dai1_filter_mode_enum,
302	M98095_02E_DAI1_FILTERS, 7,
303	max98095_fltr_mode);
304	static SOC_ENUM_SINGLE_DECL(max98095_dai2_filter_mode_enum,
305	M98095_038_DAI2_FILTERS, 7,
306	max98095_fltr_mode);
307
308	static const char * const max98095_extmic_text[] = { "None", "MIC1", "MIC2" };
309
310	static SOC_ENUM_SINGLE_DECL(max98095_extmic_enum,
311	M98095_087_CFG_MIC, 0,
312	max98095_extmic_text);
313
314	static const struct snd_kcontrol_new max98095_extmic_mux =
315	SOC_DAPM_ENUM("External MIC Mux", max98095_extmic_enum);
316
317	static const char * const max98095_linein_text[] = { "INA", "INB" };
318
319	static SOC_ENUM_SINGLE_DECL(max98095_linein_enum,
320	M98095_086_CFG_LINE, 6,
321	max98095_linein_text);
322
323	static const struct snd_kcontrol_new max98095_linein_mux =
324	SOC_DAPM_ENUM("Linein Input Mux", max98095_linein_enum);
325
326	static const char * const max98095_line_mode_text[] = {
327	"Stereo", "Differential"};
328
329	static SOC_ENUM_SINGLE_DECL(max98095_linein_mode_enum,
330	M98095_086_CFG_LINE, 7,
331	max98095_line_mode_text);
332
333	static SOC_ENUM_SINGLE_DECL(max98095_lineout_mode_enum,
334	M98095_086_CFG_LINE, 4,
335	max98095_line_mode_text);
336
337	static const char * const max98095_dai_fltr[] = {
338	"Off", "Elliptical-HPF-16k", "Butterworth-HPF-16k",
339	"Elliptical-HPF-8k", "Butterworth-HPF-8k", "Butterworth-HPF-Fs/240"};
340	static SOC_ENUM_SINGLE_DECL(max98095_dai1_dac_filter_enum,
341	M98095_02E_DAI1_FILTERS, 0,
342	max98095_dai_fltr);
343	static SOC_ENUM_SINGLE_DECL(max98095_dai2_dac_filter_enum,
344	M98095_038_DAI2_FILTERS, 0,
345	max98095_dai_fltr);
346	static SOC_ENUM_SINGLE_DECL(max98095_dai3_dac_filter_enum,
347	M98095_042_DAI3_FILTERS, 0,
348	max98095_dai_fltr);
349
350	static int max98095_mic1pre_set(struct snd_kcontrol *kcontrol,
351	struct snd_ctl_elem_value *ucontrol)
352	{
353	struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol);
354	struct max98095_priv *max98095 = snd_soc_component_get_drvdata(c: component);
355	unsigned int sel = ucontrol->value.integer.value[0];
356
357	max98095->mic1pre = sel;
358	snd_soc_component_update_bits(component, M98095_05F_LVL_MIC1, M98095_MICPRE_MASK,
359	val: (1+sel)<<M98095_MICPRE_SHIFT);
360
361	return 0;
362	}
363
364	static int max98095_mic1pre_get(struct snd_kcontrol *kcontrol,
365	struct snd_ctl_elem_value *ucontrol)
366	{
367	struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol);
368	struct max98095_priv *max98095 = snd_soc_component_get_drvdata(c: component);
369
370	ucontrol->value.integer.value[0] = max98095->mic1pre;
371	return 0;
372	}
373
374	static int max98095_mic2pre_set(struct snd_kcontrol *kcontrol,
375	struct snd_ctl_elem_value *ucontrol)
376	{
377	struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol);
378	struct max98095_priv *max98095 = snd_soc_component_get_drvdata(c: component);
379	unsigned int sel = ucontrol->value.integer.value[0];
380
381	max98095->mic2pre = sel;
382	snd_soc_component_update_bits(component, M98095_060_LVL_MIC2, M98095_MICPRE_MASK,
383	val: (1+sel)<<M98095_MICPRE_SHIFT);
384
385	return 0;
386	}
387
388	static int max98095_mic2pre_get(struct snd_kcontrol *kcontrol,
389	struct snd_ctl_elem_value *ucontrol)
390	{
391	struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol);
392	struct max98095_priv *max98095 = snd_soc_component_get_drvdata(c: component);
393
394	ucontrol->value.integer.value[0] = max98095->mic2pre;
395	return 0;
396	}
397
398	static const DECLARE_TLV_DB_RANGE(max98095_micboost_tlv,
399	0, 1, TLV_DB_SCALE_ITEM(0, 2000, 0),
400	2, 2, TLV_DB_SCALE_ITEM(3000, 0, 0)
401	);
402
403	static const DECLARE_TLV_DB_SCALE(max98095_mic_tlv, 0, 100, 0);
404	static const DECLARE_TLV_DB_SCALE(max98095_adc_tlv, -1200, 100, 0);
405	static const DECLARE_TLV_DB_SCALE(max98095_adcboost_tlv, 0, 600, 0);
406
407	static const DECLARE_TLV_DB_RANGE(max98095_hp_tlv,
408	0, 6, TLV_DB_SCALE_ITEM(-6700, 400, 0),
409	7, 14, TLV_DB_SCALE_ITEM(-4000, 300, 0),
410	15, 21, TLV_DB_SCALE_ITEM(-1700, 200, 0),
411	22, 27, TLV_DB_SCALE_ITEM(-400, 100, 0),
412	28, 31, TLV_DB_SCALE_ITEM(150, 50, 0)
413	);
414
415	static const DECLARE_TLV_DB_RANGE(max98095_spk_tlv,
416	0, 10, TLV_DB_SCALE_ITEM(-5900, 400, 0),
417	11, 18, TLV_DB_SCALE_ITEM(-1700, 200, 0),
418	19, 27, TLV_DB_SCALE_ITEM(-200, 100, 0),
419	28, 39, TLV_DB_SCALE_ITEM(650, 50, 0)
420	);
421
422	static const DECLARE_TLV_DB_RANGE(max98095_rcv_lout_tlv,
423	0, 6, TLV_DB_SCALE_ITEM(-6200, 400, 0),
424	7, 14, TLV_DB_SCALE_ITEM(-3500, 300, 0),
425	15, 21, TLV_DB_SCALE_ITEM(-1200, 200, 0),
426	22, 27, TLV_DB_SCALE_ITEM(100, 100, 0),
427	28, 31, TLV_DB_SCALE_ITEM(650, 50, 0)
428	);
429
430	static const DECLARE_TLV_DB_RANGE(max98095_lin_tlv,
431	0, 2, TLV_DB_SCALE_ITEM(-600, 300, 0),
432	3, 3, TLV_DB_SCALE_ITEM(300, 1100, 0),
433	4, 5, TLV_DB_SCALE_ITEM(1400, 600, 0)
434	);
435
436	static const struct snd_kcontrol_new max98095_snd_controls[] = {
437
438	SOC_DOUBLE_R_TLV("Headphone Volume", M98095_064_LVL_HP_L,
439	M98095_065_LVL_HP_R, 0, 31, 0, max98095_hp_tlv),
440
441	SOC_DOUBLE_R_TLV("Speaker Volume", M98095_067_LVL_SPK_L,
442	M98095_068_LVL_SPK_R, 0, 39, 0, max98095_spk_tlv),
443
444	SOC_SINGLE_TLV("Receiver Volume", M98095_066_LVL_RCV,
445	0, 31, 0, max98095_rcv_lout_tlv),
446
447	SOC_DOUBLE_R_TLV("Lineout Volume", M98095_062_LVL_LINEOUT1,
448	M98095_063_LVL_LINEOUT2, 0, 31, 0, max98095_rcv_lout_tlv),
449
450	SOC_DOUBLE_R("Headphone Switch", M98095_064_LVL_HP_L,
451	M98095_065_LVL_HP_R, 7, 1, 1),
452
453	SOC_DOUBLE_R("Speaker Switch", M98095_067_LVL_SPK_L,
454	M98095_068_LVL_SPK_R, 7, 1, 1),
455
456	SOC_SINGLE("Receiver Switch", M98095_066_LVL_RCV, 7, 1, 1),
457
458	SOC_DOUBLE_R("Lineout Switch", M98095_062_LVL_LINEOUT1,
459	M98095_063_LVL_LINEOUT2, 7, 1, 1),
460
461	SOC_SINGLE_TLV("MIC1 Volume", M98095_05F_LVL_MIC1, 0, 20, 1,
462	max98095_mic_tlv),
463
464	SOC_SINGLE_TLV("MIC2 Volume", M98095_060_LVL_MIC2, 0, 20, 1,
465	max98095_mic_tlv),
466
467	SOC_SINGLE_EXT_TLV("MIC1 Boost Volume",
468	M98095_05F_LVL_MIC1, 5, 2, 0,
469	max98095_mic1pre_get, max98095_mic1pre_set,
470	max98095_micboost_tlv),
471	SOC_SINGLE_EXT_TLV("MIC2 Boost Volume",
472	M98095_060_LVL_MIC2, 5, 2, 0,
473	max98095_mic2pre_get, max98095_mic2pre_set,
474	max98095_micboost_tlv),
475
476	SOC_SINGLE_TLV("Linein Volume", M98095_061_LVL_LINEIN, 0, 5, 1,
477	max98095_lin_tlv),
478
479	SOC_SINGLE_TLV("ADCL Volume", M98095_05D_LVL_ADC_L, 0, 15, 1,
480	max98095_adc_tlv),
481	SOC_SINGLE_TLV("ADCR Volume", M98095_05E_LVL_ADC_R, 0, 15, 1,
482	max98095_adc_tlv),
483
484	SOC_SINGLE_TLV("ADCL Boost Volume", M98095_05D_LVL_ADC_L, 4, 3, 0,
485	max98095_adcboost_tlv),
486	SOC_SINGLE_TLV("ADCR Boost Volume", M98095_05E_LVL_ADC_R, 4, 3, 0,
487	max98095_adcboost_tlv),
488
489	SOC_SINGLE("EQ1 Switch", M98095_088_CFG_LEVEL, 0, 1, 0),
490	SOC_SINGLE("EQ2 Switch", M98095_088_CFG_LEVEL, 1, 1, 0),
491
492	SOC_SINGLE("Biquad1 Switch", M98095_088_CFG_LEVEL, 2, 1, 0),
493	SOC_SINGLE("Biquad2 Switch", M98095_088_CFG_LEVEL, 3, 1, 0),
494
495	SOC_ENUM("DAI1 Filter Mode", max98095_dai1_filter_mode_enum),
496	SOC_ENUM("DAI2 Filter Mode", max98095_dai2_filter_mode_enum),
497	SOC_ENUM("DAI1 DAC Filter", max98095_dai1_dac_filter_enum),
498	SOC_ENUM("DAI2 DAC Filter", max98095_dai2_dac_filter_enum),
499	SOC_ENUM("DAI3 DAC Filter", max98095_dai3_dac_filter_enum),
500
501	SOC_ENUM("Linein Mode", max98095_linein_mode_enum),
502	SOC_ENUM("Lineout Mode", max98095_lineout_mode_enum),
503	};
504
505	/* Left speaker mixer switch */
506	static const struct snd_kcontrol_new max98095_left_speaker_mixer_controls[] = {
507	SOC_DAPM_SINGLE("Left DAC1 Switch", M98095_050_MIX_SPK_LEFT, 0, 1, 0),
508	SOC_DAPM_SINGLE("Right DAC1 Switch", M98095_050_MIX_SPK_LEFT, 6, 1, 0),
509	SOC_DAPM_SINGLE("Mono DAC2 Switch", M98095_050_MIX_SPK_LEFT, 3, 1, 0),
510	SOC_DAPM_SINGLE("Mono DAC3 Switch", M98095_050_MIX_SPK_LEFT, 3, 1, 0),
511	SOC_DAPM_SINGLE("MIC1 Switch", M98095_050_MIX_SPK_LEFT, 4, 1, 0),
512	SOC_DAPM_SINGLE("MIC2 Switch", M98095_050_MIX_SPK_LEFT, 5, 1, 0),
513	SOC_DAPM_SINGLE("IN1 Switch", M98095_050_MIX_SPK_LEFT, 1, 1, 0),
514	SOC_DAPM_SINGLE("IN2 Switch", M98095_050_MIX_SPK_LEFT, 2, 1, 0),
515	};
516
517	/* Right speaker mixer switch */
518	static const struct snd_kcontrol_new max98095_right_speaker_mixer_controls[] = {
519	SOC_DAPM_SINGLE("Left DAC1 Switch", M98095_051_MIX_SPK_RIGHT, 6, 1, 0),
520	SOC_DAPM_SINGLE("Right DAC1 Switch", M98095_051_MIX_SPK_RIGHT, 0, 1, 0),
521	SOC_DAPM_SINGLE("Mono DAC2 Switch", M98095_051_MIX_SPK_RIGHT, 3, 1, 0),
522	SOC_DAPM_SINGLE("Mono DAC3 Switch", M98095_051_MIX_SPK_RIGHT, 3, 1, 0),
523	SOC_DAPM_SINGLE("MIC1 Switch", M98095_051_MIX_SPK_RIGHT, 5, 1, 0),
524	SOC_DAPM_SINGLE("MIC2 Switch", M98095_051_MIX_SPK_RIGHT, 4, 1, 0),
525	SOC_DAPM_SINGLE("IN1 Switch", M98095_051_MIX_SPK_RIGHT, 1, 1, 0),
526	SOC_DAPM_SINGLE("IN2 Switch", M98095_051_MIX_SPK_RIGHT, 2, 1, 0),
527	};
528
529	/* Left headphone mixer switch */
530	static const struct snd_kcontrol_new max98095_left_hp_mixer_controls[] = {
531	SOC_DAPM_SINGLE("Left DAC1 Switch", M98095_04C_MIX_HP_LEFT, 0, 1, 0),
532	SOC_DAPM_SINGLE("Right DAC1 Switch", M98095_04C_MIX_HP_LEFT, 5, 1, 0),
533	SOC_DAPM_SINGLE("MIC1 Switch", M98095_04C_MIX_HP_LEFT, 3, 1, 0),
534	SOC_DAPM_SINGLE("MIC2 Switch", M98095_04C_MIX_HP_LEFT, 4, 1, 0),
535	SOC_DAPM_SINGLE("IN1 Switch", M98095_04C_MIX_HP_LEFT, 1, 1, 0),
536	SOC_DAPM_SINGLE("IN2 Switch", M98095_04C_MIX_HP_LEFT, 2, 1, 0),
537	};
538
539	/* Right headphone mixer switch */
540	static const struct snd_kcontrol_new max98095_right_hp_mixer_controls[] = {
541	SOC_DAPM_SINGLE("Left DAC1 Switch", M98095_04D_MIX_HP_RIGHT, 5, 1, 0),
542	SOC_DAPM_SINGLE("Right DAC1 Switch", M98095_04D_MIX_HP_RIGHT, 0, 1, 0),
543	SOC_DAPM_SINGLE("MIC1 Switch", M98095_04D_MIX_HP_RIGHT, 3, 1, 0),
544	SOC_DAPM_SINGLE("MIC2 Switch", M98095_04D_MIX_HP_RIGHT, 4, 1, 0),
545	SOC_DAPM_SINGLE("IN1 Switch", M98095_04D_MIX_HP_RIGHT, 1, 1, 0),
546	SOC_DAPM_SINGLE("IN2 Switch", M98095_04D_MIX_HP_RIGHT, 2, 1, 0),
547	};
548
549	/* Receiver earpiece mixer switch */
550	static const struct snd_kcontrol_new max98095_mono_rcv_mixer_controls[] = {
551	SOC_DAPM_SINGLE("Left DAC1 Switch", M98095_04F_MIX_RCV, 0, 1, 0),
552	SOC_DAPM_SINGLE("Right DAC1 Switch", M98095_04F_MIX_RCV, 5, 1, 0),
553	SOC_DAPM_SINGLE("MIC1 Switch", M98095_04F_MIX_RCV, 3, 1, 0),
554	SOC_DAPM_SINGLE("MIC2 Switch", M98095_04F_MIX_RCV, 4, 1, 0),
555	SOC_DAPM_SINGLE("IN1 Switch", M98095_04F_MIX_RCV, 1, 1, 0),
556	SOC_DAPM_SINGLE("IN2 Switch", M98095_04F_MIX_RCV, 2, 1, 0),
557	};
558
559	/* Left lineout mixer switch */
560	static const struct snd_kcontrol_new max98095_left_lineout_mixer_controls[] = {
561	SOC_DAPM_SINGLE("Left DAC1 Switch", M98095_053_MIX_LINEOUT1, 5, 1, 0),
562	SOC_DAPM_SINGLE("Right DAC1 Switch", M98095_053_MIX_LINEOUT1, 0, 1, 0),
563	SOC_DAPM_SINGLE("MIC1 Switch", M98095_053_MIX_LINEOUT1, 3, 1, 0),
564	SOC_DAPM_SINGLE("MIC2 Switch", M98095_053_MIX_LINEOUT1, 4, 1, 0),
565	SOC_DAPM_SINGLE("IN1 Switch", M98095_053_MIX_LINEOUT1, 1, 1, 0),
566	SOC_DAPM_SINGLE("IN2 Switch", M98095_053_MIX_LINEOUT1, 2, 1, 0),
567	};
568
569	/* Right lineout mixer switch */
570	static const struct snd_kcontrol_new max98095_right_lineout_mixer_controls[] = {
571	SOC_DAPM_SINGLE("Left DAC1 Switch", M98095_054_MIX_LINEOUT2, 0, 1, 0),
572	SOC_DAPM_SINGLE("Right DAC1 Switch", M98095_054_MIX_LINEOUT2, 5, 1, 0),
573	SOC_DAPM_SINGLE("MIC1 Switch", M98095_054_MIX_LINEOUT2, 3, 1, 0),
574	SOC_DAPM_SINGLE("MIC2 Switch", M98095_054_MIX_LINEOUT2, 4, 1, 0),
575	SOC_DAPM_SINGLE("IN1 Switch", M98095_054_MIX_LINEOUT2, 1, 1, 0),
576	SOC_DAPM_SINGLE("IN2 Switch", M98095_054_MIX_LINEOUT2, 2, 1, 0),
577	};
578
579	/* Left ADC mixer switch */
580	static const struct snd_kcontrol_new max98095_left_ADC_mixer_controls[] = {
581	SOC_DAPM_SINGLE("MIC1 Switch", M98095_04A_MIX_ADC_LEFT, 7, 1, 0),
582	SOC_DAPM_SINGLE("MIC2 Switch", M98095_04A_MIX_ADC_LEFT, 6, 1, 0),
583	SOC_DAPM_SINGLE("IN1 Switch", M98095_04A_MIX_ADC_LEFT, 3, 1, 0),
584	SOC_DAPM_SINGLE("IN2 Switch", M98095_04A_MIX_ADC_LEFT, 2, 1, 0),
585	};
586
587	/* Right ADC mixer switch */
588	static const struct snd_kcontrol_new max98095_right_ADC_mixer_controls[] = {
589	SOC_DAPM_SINGLE("MIC1 Switch", M98095_04B_MIX_ADC_RIGHT, 7, 1, 0),
590	SOC_DAPM_SINGLE("MIC2 Switch", M98095_04B_MIX_ADC_RIGHT, 6, 1, 0),
591	SOC_DAPM_SINGLE("IN1 Switch", M98095_04B_MIX_ADC_RIGHT, 3, 1, 0),
592	SOC_DAPM_SINGLE("IN2 Switch", M98095_04B_MIX_ADC_RIGHT, 2, 1, 0),
593	};
594
595	static int max98095_mic_event(struct snd_soc_dapm_widget *w,
596	struct snd_kcontrol *kcontrol, int event)
597	{
598	struct snd_soc_component *component = snd_soc_dapm_to_component(dapm: w->dapm);
599	struct max98095_priv *max98095 = snd_soc_component_get_drvdata(c: component);
600
601	switch (event) {
602	case SND_SOC_DAPM_POST_PMU:
603	if (w->reg == M98095_05F_LVL_MIC1) {
604	snd_soc_component_update_bits(component, reg: w->reg, M98095_MICPRE_MASK,
605	val: (1+max98095->mic1pre)<<M98095_MICPRE_SHIFT);
606	} else {
607	snd_soc_component_update_bits(component, reg: w->reg, M98095_MICPRE_MASK,
608	val: (1+max98095->mic2pre)<<M98095_MICPRE_SHIFT);
609	}
610	break;
611	case SND_SOC_DAPM_POST_PMD:
612	snd_soc_component_update_bits(component, reg: w->reg, M98095_MICPRE_MASK, val: 0);
613	break;
614	default:
615	return -EINVAL;
616	}
617
618	return 0;
619	}
620
621	/*
622	* The line inputs are stereo inputs with the left and right
623	* channels sharing a common PGA power control signal.
624	*/
625	static int max98095_line_pga(struct snd_soc_dapm_widget *w,
626	int event, u8 channel)
627	{
628	struct snd_soc_component *component = snd_soc_dapm_to_component(dapm: w->dapm);
629	struct max98095_priv *max98095 = snd_soc_component_get_drvdata(c: component);
630	u8 *state;
631
632	if (WARN_ON(!(channel == 1 || channel == 2)))
633	return -EINVAL;
634
635	state = &max98095->lin_state;
636
637	switch (event) {
638	case SND_SOC_DAPM_POST_PMU:
639	*state |= channel;
640	snd_soc_component_update_bits(component, reg: w->reg,
641	mask: (1 << w->shift), val: (1 << w->shift));
642	break;
643	case SND_SOC_DAPM_POST_PMD:
644	*state &= ~channel;
645	if (*state == 0) {
646	snd_soc_component_update_bits(component, reg: w->reg,
647	mask: (1 << w->shift), val: 0);
648	}
649	break;
650	default:
651	return -EINVAL;
652	}
653
654	return 0;
655	}
656
657	static int max98095_pga_in1_event(struct snd_soc_dapm_widget *w,
658	struct snd_kcontrol *k, int event)
659	{
660	return max98095_line_pga(w, event, channel: 1);
661	}
662
663	static int max98095_pga_in2_event(struct snd_soc_dapm_widget *w,
664	struct snd_kcontrol *k, int event)
665	{
666	return max98095_line_pga(w, event, channel: 2);
667	}
668
669	/*
670	* The stereo line out mixer outputs to two stereo line outs.
671	* The 2nd pair has a separate set of enables.
672	*/
673	static int max98095_lineout_event(struct snd_soc_dapm_widget *w,
674	struct snd_kcontrol *kcontrol, int event)
675	{
676	struct snd_soc_component *component = snd_soc_dapm_to_component(dapm: w->dapm);
677
678	switch (event) {
679	case SND_SOC_DAPM_POST_PMU:
680	snd_soc_component_update_bits(component, reg: w->reg,
681	mask: (1 << (w->shift+2)), val: (1 << (w->shift+2)));
682	break;
683	case SND_SOC_DAPM_POST_PMD:
684	snd_soc_component_update_bits(component, reg: w->reg,
685	mask: (1 << (w->shift+2)), val: 0);
686	break;
687	default:
688	return -EINVAL;
689	}
690
691	return 0;
692	}
693
694	static const struct snd_soc_dapm_widget max98095_dapm_widgets[] = {
695
696	SND_SOC_DAPM_ADC("ADCL", "HiFi Capture", M98095_090_PWR_EN_IN, 0, 0),
697	SND_SOC_DAPM_ADC("ADCR", "HiFi Capture", M98095_090_PWR_EN_IN, 1, 0),
698
699	SND_SOC_DAPM_DAC("DACL1", "HiFi Playback",
700	M98095_091_PWR_EN_OUT, 0, 0),
701	SND_SOC_DAPM_DAC("DACR1", "HiFi Playback",
702	M98095_091_PWR_EN_OUT, 1, 0),
703	SND_SOC_DAPM_DAC("DACM2", "Aux Playback",
704	M98095_091_PWR_EN_OUT, 2, 0),
705	SND_SOC_DAPM_DAC("DACM3", "Voice Playback",
706	M98095_091_PWR_EN_OUT, 2, 0),
707
708	SND_SOC_DAPM_PGA("HP Left Out", M98095_091_PWR_EN_OUT,
709	6, 0, NULL, 0),
710	SND_SOC_DAPM_PGA("HP Right Out", M98095_091_PWR_EN_OUT,
711	7, 0, NULL, 0),
712
713	SND_SOC_DAPM_PGA("SPK Left Out", M98095_091_PWR_EN_OUT,
714	4, 0, NULL, 0),
715	SND_SOC_DAPM_PGA("SPK Right Out", M98095_091_PWR_EN_OUT,
716	5, 0, NULL, 0),
717
718	SND_SOC_DAPM_PGA("RCV Mono Out", M98095_091_PWR_EN_OUT,
719	3, 0, NULL, 0),
720
721	SND_SOC_DAPM_PGA_E("LINE Left Out", M98095_092_PWR_EN_OUT,
722	0, 0, NULL, 0, max98095_lineout_event, SND_SOC_DAPM_PRE_PMD),
723	SND_SOC_DAPM_PGA_E("LINE Right Out", M98095_092_PWR_EN_OUT,
724	1, 0, NULL, 0, max98095_lineout_event, SND_SOC_DAPM_PRE_PMD),
725
726	SND_SOC_DAPM_MUX("External MIC", SND_SOC_NOPM, 0, 0,
727	&max98095_extmic_mux),
728
729	SND_SOC_DAPM_MUX("Linein Mux", SND_SOC_NOPM, 0, 0,
730	&max98095_linein_mux),
731
732	SND_SOC_DAPM_MIXER("Left Headphone Mixer", SND_SOC_NOPM, 0, 0,
733	&max98095_left_hp_mixer_controls[0],
734	ARRAY_SIZE(max98095_left_hp_mixer_controls)),
735
736	SND_SOC_DAPM_MIXER("Right Headphone Mixer", SND_SOC_NOPM, 0, 0,
737	&max98095_right_hp_mixer_controls[0],
738	ARRAY_SIZE(max98095_right_hp_mixer_controls)),
739
740	SND_SOC_DAPM_MIXER("Left Speaker Mixer", SND_SOC_NOPM, 0, 0,
741	&max98095_left_speaker_mixer_controls[0],
742	ARRAY_SIZE(max98095_left_speaker_mixer_controls)),
743
744	SND_SOC_DAPM_MIXER("Right Speaker Mixer", SND_SOC_NOPM, 0, 0,
745	&max98095_right_speaker_mixer_controls[0],
746	ARRAY_SIZE(max98095_right_speaker_mixer_controls)),
747
748	SND_SOC_DAPM_MIXER("Receiver Mixer", SND_SOC_NOPM, 0, 0,
749	&max98095_mono_rcv_mixer_controls[0],
750	ARRAY_SIZE(max98095_mono_rcv_mixer_controls)),
751
752	SND_SOC_DAPM_MIXER("Left Lineout Mixer", SND_SOC_NOPM, 0, 0,
753	&max98095_left_lineout_mixer_controls[0],
754	ARRAY_SIZE(max98095_left_lineout_mixer_controls)),
755
756	SND_SOC_DAPM_MIXER("Right Lineout Mixer", SND_SOC_NOPM, 0, 0,
757	&max98095_right_lineout_mixer_controls[0],
758	ARRAY_SIZE(max98095_right_lineout_mixer_controls)),
759
760	SND_SOC_DAPM_MIXER("Left ADC Mixer", SND_SOC_NOPM, 0, 0,
761	&max98095_left_ADC_mixer_controls[0],
762	ARRAY_SIZE(max98095_left_ADC_mixer_controls)),
763
764	SND_SOC_DAPM_MIXER("Right ADC Mixer", SND_SOC_NOPM, 0, 0,
765	&max98095_right_ADC_mixer_controls[0],
766	ARRAY_SIZE(max98095_right_ADC_mixer_controls)),
767
768	SND_SOC_DAPM_PGA_E("MIC1 Input", M98095_05F_LVL_MIC1,
769	5, 0, NULL, 0, max98095_mic_event,
770	SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD),
771
772	SND_SOC_DAPM_PGA_E("MIC2 Input", M98095_060_LVL_MIC2,
773	5, 0, NULL, 0, max98095_mic_event,
774	SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD),
775
776	SND_SOC_DAPM_PGA_E("IN1 Input", M98095_090_PWR_EN_IN,
777	7, 0, NULL, 0, max98095_pga_in1_event,
778	SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD),
779
780	SND_SOC_DAPM_PGA_E("IN2 Input", M98095_090_PWR_EN_IN,
781	7, 0, NULL, 0, max98095_pga_in2_event,
782	SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD),
783
784	SND_SOC_DAPM_MICBIAS("MICBIAS1", M98095_090_PWR_EN_IN, 2, 0),
785	SND_SOC_DAPM_MICBIAS("MICBIAS2", M98095_090_PWR_EN_IN, 3, 0),
786
787	SND_SOC_DAPM_OUTPUT("HPL"),
788	SND_SOC_DAPM_OUTPUT("HPR"),
789	SND_SOC_DAPM_OUTPUT("SPKL"),
790	SND_SOC_DAPM_OUTPUT("SPKR"),
791	SND_SOC_DAPM_OUTPUT("RCV"),
792	SND_SOC_DAPM_OUTPUT("OUT1"),
793	SND_SOC_DAPM_OUTPUT("OUT2"),
794	SND_SOC_DAPM_OUTPUT("OUT3"),
795	SND_SOC_DAPM_OUTPUT("OUT4"),
796
797	SND_SOC_DAPM_INPUT("MIC1"),
798	SND_SOC_DAPM_INPUT("MIC2"),
799	SND_SOC_DAPM_INPUT("INA1"),
800	SND_SOC_DAPM_INPUT("INA2"),
801	SND_SOC_DAPM_INPUT("INB1"),
802	SND_SOC_DAPM_INPUT("INB2"),
803	};
804
805	static const struct snd_soc_dapm_route max98095_audio_map[] = {
806	/* Left headphone output mixer */
807	{"Left Headphone Mixer", "Left DAC1 Switch", "DACL1"},
808	{"Left Headphone Mixer", "Right DAC1 Switch", "DACR1"},
809	{"Left Headphone Mixer", "MIC1 Switch", "MIC1 Input"},
810	{"Left Headphone Mixer", "MIC2 Switch", "MIC2 Input"},
811	{"Left Headphone Mixer", "IN1 Switch", "IN1 Input"},
812	{"Left Headphone Mixer", "IN2 Switch", "IN2 Input"},
813
814	/* Right headphone output mixer */
815	{"Right Headphone Mixer", "Left DAC1 Switch", "DACL1"},
816	{"Right Headphone Mixer", "Right DAC1 Switch", "DACR1"},
817	{"Right Headphone Mixer", "MIC1 Switch", "MIC1 Input"},
818	{"Right Headphone Mixer", "MIC2 Switch", "MIC2 Input"},
819	{"Right Headphone Mixer", "IN1 Switch", "IN1 Input"},
820	{"Right Headphone Mixer", "IN2 Switch", "IN2 Input"},
821
822	/* Left speaker output mixer */
823	{"Left Speaker Mixer", "Left DAC1 Switch", "DACL1"},
824	{"Left Speaker Mixer", "Right DAC1 Switch", "DACR1"},
825	{"Left Speaker Mixer", "Mono DAC2 Switch", "DACM2"},
826	{"Left Speaker Mixer", "Mono DAC3 Switch", "DACM3"},
827	{"Left Speaker Mixer", "MIC1 Switch", "MIC1 Input"},
828	{"Left Speaker Mixer", "MIC2 Switch", "MIC2 Input"},
829	{"Left Speaker Mixer", "IN1 Switch", "IN1 Input"},
830	{"Left Speaker Mixer", "IN2 Switch", "IN2 Input"},
831
832	/* Right speaker output mixer */
833	{"Right Speaker Mixer", "Left DAC1 Switch", "DACL1"},
834	{"Right Speaker Mixer", "Right DAC1 Switch", "DACR1"},
835	{"Right Speaker Mixer", "Mono DAC2 Switch", "DACM2"},
836	{"Right Speaker Mixer", "Mono DAC3 Switch", "DACM3"},
837	{"Right Speaker Mixer", "MIC1 Switch", "MIC1 Input"},
838	{"Right Speaker Mixer", "MIC2 Switch", "MIC2 Input"},
839	{"Right Speaker Mixer", "IN1 Switch", "IN1 Input"},
840	{"Right Speaker Mixer", "IN2 Switch", "IN2 Input"},
841
842	/* Earpiece/Receiver output mixer */
843	{"Receiver Mixer", "Left DAC1 Switch", "DACL1"},
844	{"Receiver Mixer", "Right DAC1 Switch", "DACR1"},
845	{"Receiver Mixer", "MIC1 Switch", "MIC1 Input"},
846	{"Receiver Mixer", "MIC2 Switch", "MIC2 Input"},
847	{"Receiver Mixer", "IN1 Switch", "IN1 Input"},
848	{"Receiver Mixer", "IN2 Switch", "IN2 Input"},
849
850	/* Left Lineout output mixer */
851	{"Left Lineout Mixer", "Left DAC1 Switch", "DACL1"},
852	{"Left Lineout Mixer", "Right DAC1 Switch", "DACR1"},
853	{"Left Lineout Mixer", "MIC1 Switch", "MIC1 Input"},
854	{"Left Lineout Mixer", "MIC2 Switch", "MIC2 Input"},
855	{"Left Lineout Mixer", "IN1 Switch", "IN1 Input"},
856	{"Left Lineout Mixer", "IN2 Switch", "IN2 Input"},
857
858	/* Right lineout output mixer */
859	{"Right Lineout Mixer", "Left DAC1 Switch", "DACL1"},
860	{"Right Lineout Mixer", "Right DAC1 Switch", "DACR1"},
861	{"Right Lineout Mixer", "MIC1 Switch", "MIC1 Input"},
862	{"Right Lineout Mixer", "MIC2 Switch", "MIC2 Input"},
863	{"Right Lineout Mixer", "IN1 Switch", "IN1 Input"},
864	{"Right Lineout Mixer", "IN2 Switch", "IN2 Input"},
865
866	{"HP Left Out", NULL, "Left Headphone Mixer"},
867	{"HP Right Out", NULL, "Right Headphone Mixer"},
868	{"SPK Left Out", NULL, "Left Speaker Mixer"},
869	{"SPK Right Out", NULL, "Right Speaker Mixer"},
870	{"RCV Mono Out", NULL, "Receiver Mixer"},
871	{"LINE Left Out", NULL, "Left Lineout Mixer"},
872	{"LINE Right Out", NULL, "Right Lineout Mixer"},
873
874	{"HPL", NULL, "HP Left Out"},
875	{"HPR", NULL, "HP Right Out"},
876	{"SPKL", NULL, "SPK Left Out"},
877	{"SPKR", NULL, "SPK Right Out"},
878	{"RCV", NULL, "RCV Mono Out"},
879	{"OUT1", NULL, "LINE Left Out"},
880	{"OUT2", NULL, "LINE Right Out"},
881	{"OUT3", NULL, "LINE Left Out"},
882	{"OUT4", NULL, "LINE Right Out"},
883
884	/* Left ADC input mixer */
885	{"Left ADC Mixer", "MIC1 Switch", "MIC1 Input"},
886	{"Left ADC Mixer", "MIC2 Switch", "MIC2 Input"},
887	{"Left ADC Mixer", "IN1 Switch", "IN1 Input"},
888	{"Left ADC Mixer", "IN2 Switch", "IN2 Input"},
889
890	/* Right ADC input mixer */
891	{"Right ADC Mixer", "MIC1 Switch", "MIC1 Input"},
892	{"Right ADC Mixer", "MIC2 Switch", "MIC2 Input"},
893	{"Right ADC Mixer", "IN1 Switch", "IN1 Input"},
894	{"Right ADC Mixer", "IN2 Switch", "IN2 Input"},
895
896	/* Inputs */
897	{"ADCL", NULL, "Left ADC Mixer"},
898	{"ADCR", NULL, "Right ADC Mixer"},
899
900	{"IN1 Input", NULL, "INA1"},
901	{"IN2 Input", NULL, "INA2"},
902
903	{"MIC1 Input", NULL, "MIC1"},
904	{"MIC2 Input", NULL, "MIC2"},
905	};
906
907	/* codec mclk clock divider coefficients */
908	static const struct {
909	u32 rate;
910	u8 sr;
911	} rate_table[] = {
912	{8000, 0x01},
913	{11025, 0x02},
914	{16000, 0x03},
915	{22050, 0x04},
916	{24000, 0x05},
917	{32000, 0x06},
918	{44100, 0x07},
919	{48000, 0x08},
920	{88200, 0x09},
921	{96000, 0x0A},
922	};
923
924	static int rate_value(int rate, u8 *value)
925	{
926	int i;
927
928	for (i = 0; i < ARRAY_SIZE(rate_table); i++) {
929	if (rate_table[i].rate >= rate) {
930	*value = rate_table[i].sr;
931	return 0;
932	}
933	}
934	*value = rate_table[0].sr;
935	return -EINVAL;
936	}
937
938	static int max98095_dai1_hw_params(struct snd_pcm_substream *substream,
939	struct snd_pcm_hw_params *params,
940	struct snd_soc_dai *dai)
941	{
942	struct snd_soc_component *component = dai->component;
943	struct max98095_priv *max98095 = snd_soc_component_get_drvdata(c: component);
944	struct max98095_cdata *cdata;
945	unsigned long long ni;
946	unsigned int rate;
947	u8 regval;
948
949	cdata = &max98095->dai[0];
950
951	rate = params_rate(p: params);
952
953	switch (params_width(p: params)) {
954	case 16:
955	snd_soc_component_update_bits(component, M98095_02A_DAI1_FORMAT,
956	M98095_DAI_WS, val: 0);
957	break;
958	case 24:
959	snd_soc_component_update_bits(component, M98095_02A_DAI1_FORMAT,
960	M98095_DAI_WS, M98095_DAI_WS);
961	break;
962	default:
963	return -EINVAL;
964	}
965
966	if (rate_value(rate, value: &regval))
967	return -EINVAL;
968
969	snd_soc_component_update_bits(component, M98095_027_DAI1_CLKMODE,
970	M98095_CLKMODE_MASK, val: regval);
971	cdata->rate = rate;
972
973	/* Configure NI when operating as master */
974	if (snd_soc_component_read(component, M98095_02A_DAI1_FORMAT) & M98095_DAI_MAS) {
975	if (max98095->sysclk == 0) {
976	dev_err(component->dev, "Invalid system clock frequency\n");
977	return -EINVAL;
978	}
979	ni = 65536ULL * (rate < 50000 ? 96ULL : 48ULL)
980	* (unsigned long long int)rate;
981	do_div(ni, (unsigned long long int)max98095->sysclk);
982	snd_soc_component_write(component, M98095_028_DAI1_CLKCFG_HI,
983	val: (ni >> 8) & 0x7F);
984	snd_soc_component_write(component, M98095_029_DAI1_CLKCFG_LO,
985	val: ni & 0xFF);
986	}
987
988	/* Update sample rate mode */
989	if (rate < 50000)
990	snd_soc_component_update_bits(component, M98095_02E_DAI1_FILTERS,
991	M98095_DAI_DHF, val: 0);
992	else
993	snd_soc_component_update_bits(component, M98095_02E_DAI1_FILTERS,
994	M98095_DAI_DHF, M98095_DAI_DHF);
995
996	return 0;
997	}
998
999	static int max98095_dai2_hw_params(struct snd_pcm_substream *substream,
1000	struct snd_pcm_hw_params *params,
1001	struct snd_soc_dai *dai)
1002	{
1003	struct snd_soc_component *component = dai->component;
1004	struct max98095_priv *max98095 = snd_soc_component_get_drvdata(c: component);
1005	struct max98095_cdata *cdata;
1006	unsigned long long ni;
1007	unsigned int rate;
1008	u8 regval;
1009
1010	cdata = &max98095->dai[1];
1011
1012	rate = params_rate(p: params);
1013
1014	switch (params_width(p: params)) {
1015	case 16:
1016	snd_soc_component_update_bits(component, M98095_034_DAI2_FORMAT,
1017	M98095_DAI_WS, val: 0);
1018	break;
1019	case 24:
1020	snd_soc_component_update_bits(component, M98095_034_DAI2_FORMAT,
1021	M98095_DAI_WS, M98095_DAI_WS);
1022	break;
1023	default:
1024	return -EINVAL;
1025	}
1026
1027	if (rate_value(rate, value: &regval))
1028	return -EINVAL;
1029
1030	snd_soc_component_update_bits(component, M98095_031_DAI2_CLKMODE,
1031	M98095_CLKMODE_MASK, val: regval);
1032	cdata->rate = rate;
1033
1034	/* Configure NI when operating as master */
1035	if (snd_soc_component_read(component, M98095_034_DAI2_FORMAT) & M98095_DAI_MAS) {
1036	if (max98095->sysclk == 0) {
1037	dev_err(component->dev, "Invalid system clock frequency\n");
1038	return -EINVAL;
1039	}
1040	ni = 65536ULL * (rate < 50000 ? 96ULL : 48ULL)
1041	* (unsigned long long int)rate;
1042	do_div(ni, (unsigned long long int)max98095->sysclk);
1043	snd_soc_component_write(component, M98095_032_DAI2_CLKCFG_HI,
1044	val: (ni >> 8) & 0x7F);
1045	snd_soc_component_write(component, M98095_033_DAI2_CLKCFG_LO,
1046	val: ni & 0xFF);
1047	}
1048
1049	/* Update sample rate mode */
1050	if (rate < 50000)
1051	snd_soc_component_update_bits(component, M98095_038_DAI2_FILTERS,
1052	M98095_DAI_DHF, val: 0);
1053	else
1054	snd_soc_component_update_bits(component, M98095_038_DAI2_FILTERS,
1055	M98095_DAI_DHF, M98095_DAI_DHF);
1056
1057	return 0;
1058	}
1059
1060	static int max98095_dai3_hw_params(struct snd_pcm_substream *substream,
1061	struct snd_pcm_hw_params *params,
1062	struct snd_soc_dai *dai)
1063	{
1064	struct snd_soc_component *component = dai->component;
1065	struct max98095_priv *max98095 = snd_soc_component_get_drvdata(c: component);
1066	struct max98095_cdata *cdata;
1067	unsigned long long ni;
1068	unsigned int rate;
1069	u8 regval;
1070
1071	cdata = &max98095->dai[2];
1072
1073	rate = params_rate(p: params);
1074
1075	switch (params_width(p: params)) {
1076	case 16:
1077	snd_soc_component_update_bits(component, M98095_03E_DAI3_FORMAT,
1078	M98095_DAI_WS, val: 0);
1079	break;
1080	case 24:
1081	snd_soc_component_update_bits(component, M98095_03E_DAI3_FORMAT,
1082	M98095_DAI_WS, M98095_DAI_WS);
1083	break;
1084	default:
1085	return -EINVAL;
1086	}
1087
1088	if (rate_value(rate, value: &regval))
1089	return -EINVAL;
1090
1091	snd_soc_component_update_bits(component, M98095_03B_DAI3_CLKMODE,
1092	M98095_CLKMODE_MASK, val: regval);
1093	cdata->rate = rate;
1094
1095	/* Configure NI when operating as master */
1096	if (snd_soc_component_read(component, M98095_03E_DAI3_FORMAT) & M98095_DAI_MAS) {
1097	if (max98095->sysclk == 0) {
1098	dev_err(component->dev, "Invalid system clock frequency\n");
1099	return -EINVAL;
1100	}
1101	ni = 65536ULL * (rate < 50000 ? 96ULL : 48ULL)
1102	* (unsigned long long int)rate;
1103	do_div(ni, (unsigned long long int)max98095->sysclk);
1104	snd_soc_component_write(component, M98095_03C_DAI3_CLKCFG_HI,
1105	val: (ni >> 8) & 0x7F);
1106	snd_soc_component_write(component, M98095_03D_DAI3_CLKCFG_LO,
1107	val: ni & 0xFF);
1108	}
1109
1110	/* Update sample rate mode */
1111	if (rate < 50000)
1112	snd_soc_component_update_bits(component, M98095_042_DAI3_FILTERS,
1113	M98095_DAI_DHF, val: 0);
1114	else
1115	snd_soc_component_update_bits(component, M98095_042_DAI3_FILTERS,
1116	M98095_DAI_DHF, M98095_DAI_DHF);
1117
1118	return 0;
1119	}
1120
1121	static int max98095_dai_set_sysclk(struct snd_soc_dai *dai,
1122	int clk_id, unsigned int freq, int dir)
1123	{
1124	struct snd_soc_component *component = dai->component;
1125	struct max98095_priv *max98095 = snd_soc_component_get_drvdata(c: component);
1126
1127	/* Requested clock frequency is already setup */
1128	if (freq == max98095->sysclk)
1129	return 0;
1130
1131	if (!IS_ERR(ptr: max98095->mclk)) {
1132	freq = clk_round_rate(clk: max98095->mclk, rate: freq);
1133	clk_set_rate(clk: max98095->mclk, rate: freq);
1134	}
1135
1136	/* Setup clocks for slave mode, and using the PLL
1137	* PSCLK = 0x01 (when master clk is 10MHz to 20MHz)
1138	* 0x02 (when master clk is 20MHz to 40MHz)..
1139	* 0x03 (when master clk is 40MHz to 60MHz)..
1140	*/
1141	if ((freq >= 10000000) && (freq < 20000000)) {
1142	snd_soc_component_write(component, M98095_026_SYS_CLK, val: 0x10);
1143	} else if ((freq >= 20000000) && (freq < 40000000)) {
1144	snd_soc_component_write(component, M98095_026_SYS_CLK, val: 0x20);
1145	} else if ((freq >= 40000000) && (freq < 60000000)) {
1146	snd_soc_component_write(component, M98095_026_SYS_CLK, val: 0x30);
1147	} else {
1148	dev_err(component->dev, "Invalid master clock frequency\n");
1149	return -EINVAL;
1150	}
1151
1152	dev_dbg(dai->dev, "Clock source is %d at %uHz\n", clk_id, freq);
1153
1154	max98095->sysclk = freq;
1155	return 0;
1156	}
1157
1158	static int max98095_dai1_set_fmt(struct snd_soc_dai *codec_dai,
1159	unsigned int fmt)
1160	{
1161	struct snd_soc_component *component = codec_dai->component;
1162	struct max98095_priv *max98095 = snd_soc_component_get_drvdata(c: component);
1163	struct max98095_cdata *cdata;
1164	u8 regval = 0;
1165
1166	cdata = &max98095->dai[0];
1167
1168	if (fmt != cdata->fmt) {
1169	cdata->fmt = fmt;
1170
1171	switch (fmt & SND_SOC_DAIFMT_CLOCK_PROVIDER_MASK) {
1172	case SND_SOC_DAIFMT_CBC_CFC:
1173	/* Consumer mode PLL */
1174	snd_soc_component_write(component, M98095_028_DAI1_CLKCFG_HI,
1175	val: 0x80);
1176	snd_soc_component_write(component, M98095_029_DAI1_CLKCFG_LO,
1177	val: 0x00);
1178	break;
1179	case SND_SOC_DAIFMT_CBP_CFP:
1180	/* Set to provider mode */
1181	regval |= M98095_DAI_MAS;
1182	break;
1183	default:
1184	dev_err(component->dev, "Clock mode unsupported");
1185	return -EINVAL;
1186	}
1187
1188	switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
1189	case SND_SOC_DAIFMT_I2S:
1190	regval |= M98095_DAI_DLY;
1191	break;
1192	case SND_SOC_DAIFMT_LEFT_J:
1193	break;
1194	default:
1195	return -EINVAL;
1196	}
1197
1198	switch (fmt & SND_SOC_DAIFMT_INV_MASK) {
1199	case SND_SOC_DAIFMT_NB_NF:
1200	break;
1201	case SND_SOC_DAIFMT_NB_IF:
1202	regval |= M98095_DAI_WCI;
1203	break;
1204	case SND_SOC_DAIFMT_IB_NF:
1205	regval |= M98095_DAI_BCI;
1206	break;
1207	case SND_SOC_DAIFMT_IB_IF:
1208	regval |= M98095_DAI_BCI|M98095_DAI_WCI;
1209	break;
1210	default:
1211	return -EINVAL;
1212	}
1213
1214	snd_soc_component_update_bits(component, M98095_02A_DAI1_FORMAT,
1215	M98095_DAI_MAS | M98095_DAI_DLY | M98095_DAI_BCI |
1216	M98095_DAI_WCI, val: regval);
1217
1218	snd_soc_component_write(component, M98095_02B_DAI1_CLOCK, M98095_DAI_BSEL64);
1219	}
1220
1221	return 0;
1222	}
1223
1224	static int max98095_dai2_set_fmt(struct snd_soc_dai *codec_dai,
1225	unsigned int fmt)
1226	{
1227	struct snd_soc_component *component = codec_dai->component;
1228	struct max98095_priv *max98095 = snd_soc_component_get_drvdata(c: component);
1229	struct max98095_cdata *cdata;
1230	u8 regval = 0;
1231
1232	cdata = &max98095->dai[1];
1233
1234	if (fmt != cdata->fmt) {
1235	cdata->fmt = fmt;
1236
1237	switch (fmt & SND_SOC_DAIFMT_CLOCK_PROVIDER_MASK) {
1238	case SND_SOC_DAIFMT_CBC_CFC:
1239	/* Consumer mode PLL */
1240	snd_soc_component_write(component, M98095_032_DAI2_CLKCFG_HI,
1241	val: 0x80);
1242	snd_soc_component_write(component, M98095_033_DAI2_CLKCFG_LO,
1243	val: 0x00);
1244	break;
1245	case SND_SOC_DAIFMT_CBP_CFP:
1246	/* Set to provider mode */
1247	regval |= M98095_DAI_MAS;
1248	break;
1249	default:
1250	dev_err(component->dev, "Clock mode unsupported");
1251	return -EINVAL;
1252	}
1253
1254	switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
1255	case SND_SOC_DAIFMT_I2S:
1256	regval |= M98095_DAI_DLY;
1257	break;
1258	case SND_SOC_DAIFMT_LEFT_J:
1259	break;
1260	default:
1261	return -EINVAL;
1262	}
1263
1264	switch (fmt & SND_SOC_DAIFMT_INV_MASK) {
1265	case SND_SOC_DAIFMT_NB_NF:
1266	break;
1267	case SND_SOC_DAIFMT_NB_IF:
1268	regval |= M98095_DAI_WCI;
1269	break;
1270	case SND_SOC_DAIFMT_IB_NF:
1271	regval |= M98095_DAI_BCI;
1272	break;
1273	case SND_SOC_DAIFMT_IB_IF:
1274	regval |= M98095_DAI_BCI|M98095_DAI_WCI;
1275	break;
1276	default:
1277	return -EINVAL;
1278	}
1279
1280	snd_soc_component_update_bits(component, M98095_034_DAI2_FORMAT,
1281	M98095_DAI_MAS | M98095_DAI_DLY | M98095_DAI_BCI |
1282	M98095_DAI_WCI, val: regval);
1283
1284	snd_soc_component_write(component, M98095_035_DAI2_CLOCK,
1285	M98095_DAI_BSEL64);
1286	}
1287
1288	return 0;
1289	}
1290
1291	static int max98095_dai3_set_fmt(struct snd_soc_dai *codec_dai,
1292	unsigned int fmt)
1293	{
1294	struct snd_soc_component *component = codec_dai->component;
1295	struct max98095_priv *max98095 = snd_soc_component_get_drvdata(c: component);
1296	struct max98095_cdata *cdata;
1297	u8 regval = 0;
1298
1299	cdata = &max98095->dai[2];
1300
1301	if (fmt != cdata->fmt) {
1302	cdata->fmt = fmt;
1303
1304	switch (fmt & SND_SOC_DAIFMT_CLOCK_PROVIDER_MASK) {
1305	case SND_SOC_DAIFMT_CBC_CFC:
1306	/* Consumer mode PLL */
1307	snd_soc_component_write(component, M98095_03C_DAI3_CLKCFG_HI,
1308	val: 0x80);
1309	snd_soc_component_write(component, M98095_03D_DAI3_CLKCFG_LO,
1310	val: 0x00);
1311	break;
1312	case SND_SOC_DAIFMT_CBP_CFP:
1313	/* Set to provider mode */
1314	regval |= M98095_DAI_MAS;
1315	break;
1316	default:
1317	dev_err(component->dev, "Clock mode unsupported");
1318	return -EINVAL;
1319	}
1320
1321	switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
1322	case SND_SOC_DAIFMT_I2S:
1323	regval |= M98095_DAI_DLY;
1324	break;
1325	case SND_SOC_DAIFMT_LEFT_J:
1326	break;
1327	default:
1328	return -EINVAL;
1329	}
1330
1331	switch (fmt & SND_SOC_DAIFMT_INV_MASK) {
1332	case SND_SOC_DAIFMT_NB_NF:
1333	break;
1334	case SND_SOC_DAIFMT_NB_IF:
1335	regval |= M98095_DAI_WCI;
1336	break;
1337	case SND_SOC_DAIFMT_IB_NF:
1338	regval |= M98095_DAI_BCI;
1339	break;
1340	case SND_SOC_DAIFMT_IB_IF:
1341	regval |= M98095_DAI_BCI|M98095_DAI_WCI;
1342	break;
1343	default:
1344	return -EINVAL;
1345	}
1346
1347	snd_soc_component_update_bits(component, M98095_03E_DAI3_FORMAT,
1348	M98095_DAI_MAS | M98095_DAI_DLY | M98095_DAI_BCI |
1349	M98095_DAI_WCI, val: regval);
1350
1351	snd_soc_component_write(component, M98095_03F_DAI3_CLOCK,
1352	M98095_DAI_BSEL64);
1353	}
1354
1355	return 0;
1356	}
1357
1358	static int max98095_set_bias_level(struct snd_soc_component *component,
1359	enum snd_soc_bias_level level)
1360	{
1361	struct max98095_priv *max98095 = snd_soc_component_get_drvdata(c: component);
1362	int ret;
1363
1364	switch (level) {
1365	case SND_SOC_BIAS_ON:
1366	break;
1367
1368	case SND_SOC_BIAS_PREPARE:
1369	/*
1370	* SND_SOC_BIAS_PREPARE is called while preparing for a
1371	* transition to ON or away from ON. If current bias_level
1372	* is SND_SOC_BIAS_ON, then it is preparing for a transition
1373	* away from ON. Disable the clock in that case, otherwise
1374	* enable it.
1375	*/
1376	if (IS_ERR(ptr: max98095->mclk))
1377	break;
1378
1379	if (snd_soc_component_get_bias_level(component) == SND_SOC_BIAS_ON) {
1380	clk_disable_unprepare(clk: max98095->mclk);
1381	} else {
1382	ret = clk_prepare_enable(clk: max98095->mclk);
1383	if (ret)
1384	return ret;
1385	}
1386	break;
1387
1388	case SND_SOC_BIAS_STANDBY:
1389	if (snd_soc_component_get_bias_level(component) == SND_SOC_BIAS_OFF) {
1390	ret = regcache_sync(map: max98095->regmap);
1391
1392	if (ret != 0) {
1393	dev_err(component->dev, "Failed to sync cache: %d\n", ret);
1394	return ret;
1395	}
1396	}
1397
1398	snd_soc_component_update_bits(component, M98095_090_PWR_EN_IN,
1399	M98095_MBEN, M98095_MBEN);
1400	break;
1401
1402	case SND_SOC_BIAS_OFF:
1403	snd_soc_component_update_bits(component, M98095_090_PWR_EN_IN,
1404	M98095_MBEN, val: 0);
1405	regcache_mark_dirty(map: max98095->regmap);
1406	break;
1407	}
1408	return 0;
1409	}
1410
1411	#define MAX98095_RATES SNDRV_PCM_RATE_8000_96000
1412	#define MAX98095_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S24_LE)
1413
1414	static const struct snd_soc_dai_ops max98095_dai1_ops = {
1415	.set_sysclk = max98095_dai_set_sysclk,
1416	.set_fmt = max98095_dai1_set_fmt,
1417	.hw_params = max98095_dai1_hw_params,
1418	};
1419
1420	static const struct snd_soc_dai_ops max98095_dai2_ops = {
1421	.set_sysclk = max98095_dai_set_sysclk,
1422	.set_fmt = max98095_dai2_set_fmt,
1423	.hw_params = max98095_dai2_hw_params,
1424	};
1425
1426	static const struct snd_soc_dai_ops max98095_dai3_ops = {
1427	.set_sysclk = max98095_dai_set_sysclk,
1428	.set_fmt = max98095_dai3_set_fmt,
1429	.hw_params = max98095_dai3_hw_params,
1430	};
1431
1432	static struct snd_soc_dai_driver max98095_dai[] = {
1433	{
1434	.name = "HiFi",
1435	.playback = {
1436	.stream_name = "HiFi Playback",
1437	.channels_min = 1,
1438	.channels_max = 2,
1439	.rates = MAX98095_RATES,
1440	.formats = MAX98095_FORMATS,
1441	},
1442	.capture = {
1443	.stream_name = "HiFi Capture",
1444	.channels_min = 1,
1445	.channels_max = 2,
1446	.rates = MAX98095_RATES,
1447	.formats = MAX98095_FORMATS,
1448	},
1449	.ops = &max98095_dai1_ops,
1450	},
1451	{
1452	.name = "Aux",
1453	.playback = {
1454	.stream_name = "Aux Playback",
1455	.channels_min = 1,
1456	.channels_max = 1,
1457	.rates = MAX98095_RATES,
1458	.formats = MAX98095_FORMATS,
1459	},
1460	.ops = &max98095_dai2_ops,
1461	},
1462	{
1463	.name = "Voice",
1464	.playback = {
1465	.stream_name = "Voice Playback",
1466	.channels_min = 1,
1467	.channels_max = 1,
1468	.rates = MAX98095_RATES,
1469	.formats = MAX98095_FORMATS,
1470	},
1471	.ops = &max98095_dai3_ops,
1472	}
1473
1474	};
1475
1476	static int max98095_get_eq_channel(const char *name)
1477	{
1478	if (strcmp(name, "EQ1 Mode") == 0)
1479	return 0;
1480	if (strcmp(name, "EQ2 Mode") == 0)
1481	return 1;
1482	return -EINVAL;
1483	}
1484
1485	static int max98095_put_eq_enum(struct snd_kcontrol *kcontrol,
1486	struct snd_ctl_elem_value *ucontrol)
1487	{
1488	struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol);
1489	struct max98095_priv *max98095 = snd_soc_component_get_drvdata(c: component);
1490	struct max98095_pdata *pdata = max98095->pdata;
1491	int channel = max98095_get_eq_channel(name: kcontrol->id.name);
1492	struct max98095_cdata *cdata;
1493	unsigned int sel = ucontrol->value.enumerated.item[0];
1494	struct max98095_eq_cfg *coef_set;
1495	int fs, best, best_val, i;
1496	int regmask, regsave;
1497
1498	if (WARN_ON(channel > 1))
1499	return -EINVAL;
1500
1501	if (!pdata || !max98095->eq_textcnt)
1502	return 0;
1503
1504	if (sel >= pdata->eq_cfgcnt)
1505	return -EINVAL;
1506
1507	cdata = &max98095->dai[channel];
1508	cdata->eq_sel = sel;
1509	fs = cdata->rate;
1510
1511	/* Find the selected configuration with nearest sample rate */
1512	best = 0;
1513	best_val = INT_MAX;
1514	for (i = 0; i < pdata->eq_cfgcnt; i++) {
1515	if (strcmp(pdata->eq_cfg[i].name, max98095->eq_texts[sel]) == 0 &&
1516	abs(pdata->eq_cfg[i].rate - fs) < best_val) {
1517	best = i;
1518	best_val = abs(pdata->eq_cfg[i].rate - fs);
1519	}
1520	}
1521
1522	dev_dbg(component->dev, "Selected %s/%dHz for %dHz sample rate\n",
1523	pdata->eq_cfg[best].name,
1524	pdata->eq_cfg[best].rate, fs);
1525
1526	coef_set = &pdata->eq_cfg[best];
1527
1528	regmask = (channel == 0) ? M98095_EQ1EN : M98095_EQ2EN;
1529
1530	/* Disable filter while configuring, and save current on/off state */
1531	regsave = snd_soc_component_read(component, M98095_088_CFG_LEVEL);
1532	snd_soc_component_update_bits(component, M98095_088_CFG_LEVEL, mask: regmask, val: 0);
1533
1534	mutex_lock(&max98095->lock);
1535	snd_soc_component_update_bits(component, M98095_00F_HOST_CFG, M98095_SEG, M98095_SEG);
1536	m98095_eq_band(component, dai: channel, band: 0, coefs: coef_set->band1);
1537	m98095_eq_band(component, dai: channel, band: 1, coefs: coef_set->band2);
1538	m98095_eq_band(component, dai: channel, band: 2, coefs: coef_set->band3);
1539	m98095_eq_band(component, dai: channel, band: 3, coefs: coef_set->band4);
1540	m98095_eq_band(component, dai: channel, band: 4, coefs: coef_set->band5);
1541	snd_soc_component_update_bits(component, M98095_00F_HOST_CFG, M98095_SEG, val: 0);
1542	mutex_unlock(lock: &max98095->lock);
1543
1544	/* Restore the original on/off state */
1545	snd_soc_component_update_bits(component, M98095_088_CFG_LEVEL, mask: regmask, val: regsave);
1546	return 0;
1547	}
1548
1549	static int max98095_get_eq_enum(struct snd_kcontrol *kcontrol,
1550	struct snd_ctl_elem_value *ucontrol)
1551	{
1552	struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol);
1553	struct max98095_priv *max98095 = snd_soc_component_get_drvdata(c: component);
1554	int channel = max98095_get_eq_channel(name: kcontrol->id.name);
1555	struct max98095_cdata *cdata;
1556
1557	cdata = &max98095->dai[channel];
1558	ucontrol->value.enumerated.item[0] = cdata->eq_sel;
1559
1560	return 0;
1561	}
1562
1563	static void max98095_handle_eq_pdata(struct snd_soc_component *component)
1564	{
1565	struct max98095_priv *max98095 = snd_soc_component_get_drvdata(c: component);
1566	struct max98095_pdata *pdata = max98095->pdata;
1567	struct max98095_eq_cfg *cfg;
1568	unsigned int cfgcnt;
1569	int i, j;
1570	const char **t;
1571	int ret;
1572
1573	struct snd_kcontrol_new controls[] = {
1574	SOC_ENUM_EXT("EQ1 Mode",
1575	max98095->eq_enum,
1576	max98095_get_eq_enum,
1577	max98095_put_eq_enum),
1578	SOC_ENUM_EXT("EQ2 Mode",
1579	max98095->eq_enum,
1580	max98095_get_eq_enum,
1581	max98095_put_eq_enum),
1582	};
1583
1584	cfg = pdata->eq_cfg;
1585	cfgcnt = pdata->eq_cfgcnt;
1586
1587	/* Setup an array of texts for the equalizer enum.
1588	* This is based on Mark Brown's equalizer driver code.
1589	*/
1590	max98095->eq_textcnt = 0;
1591	max98095->eq_texts = NULL;
1592	for (i = 0; i < cfgcnt; i++) {
1593	for (j = 0; j < max98095->eq_textcnt; j++) {
1594	if (strcmp(cfg[i].name, max98095->eq_texts[j]) == 0)
1595	break;
1596	}
1597
1598	if (j != max98095->eq_textcnt)
1599	continue;
1600
1601	/* Expand the array */
1602	t = krealloc(objp: max98095->eq_texts,
1603	new_size: sizeof(char *) * (max98095->eq_textcnt + 1),
1604	GFP_KERNEL);
1605	if (t == NULL)
1606	continue;
1607
1608	/* Store the new entry */
1609	t[max98095->eq_textcnt] = cfg[i].name;
1610	max98095->eq_textcnt++;
1611	max98095->eq_texts = t;
1612	}
1613
1614	/* Now point the soc_enum to .texts array items */
1615	max98095->eq_enum.texts = max98095->eq_texts;
1616	max98095->eq_enum.items = max98095->eq_textcnt;
1617
1618	ret = snd_soc_add_component_controls(component, controls, ARRAY_SIZE(controls));
1619	if (ret != 0)
1620	dev_err(component->dev, "Failed to add EQ control: %d\n", ret);
1621	}
1622
1623	static const char *bq_mode_name[] = {"Biquad1 Mode", "Biquad2 Mode"};
1624
1625	static int max98095_get_bq_channel(struct snd_soc_component *component,
1626	const char *name)
1627	{
1628	int ret;
1629
1630	ret = match_string(array: bq_mode_name, ARRAY_SIZE(bq_mode_name), string: name);
1631	if (ret < 0)
1632	dev_err(component->dev, "Bad biquad channel name '%s'\n", name);
1633	return ret;
1634	}
1635
1636	static int max98095_put_bq_enum(struct snd_kcontrol *kcontrol,
1637	struct snd_ctl_elem_value *ucontrol)
1638	{
1639	struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol);
1640	struct max98095_priv *max98095 = snd_soc_component_get_drvdata(c: component);
1641	struct max98095_pdata *pdata = max98095->pdata;
1642	int channel = max98095_get_bq_channel(component, name: kcontrol->id.name);
1643	struct max98095_cdata *cdata;
1644	unsigned int sel = ucontrol->value.enumerated.item[0];
1645	struct max98095_biquad_cfg *coef_set;
1646	int fs, best, best_val, i;
1647	int regmask, regsave;
1648
1649	if (channel < 0)
1650	return channel;
1651
1652	if (!pdata || !max98095->bq_textcnt)
1653	return 0;
1654
1655	if (sel >= pdata->bq_cfgcnt)
1656	return -EINVAL;
1657
1658	cdata = &max98095->dai[channel];
1659	cdata->bq_sel = sel;
1660	fs = cdata->rate;
1661
1662	/* Find the selected configuration with nearest sample rate */
1663	best = 0;
1664	best_val = INT_MAX;
1665	for (i = 0; i < pdata->bq_cfgcnt; i++) {
1666	if (strcmp(pdata->bq_cfg[i].name, max98095->bq_texts[sel]) == 0 &&
1667	abs(pdata->bq_cfg[i].rate - fs) < best_val) {
1668	best = i;
1669	best_val = abs(pdata->bq_cfg[i].rate - fs);
1670	}
1671	}
1672
1673	dev_dbg(component->dev, "Selected %s/%dHz for %dHz sample rate\n",
1674	pdata->bq_cfg[best].name,
1675	pdata->bq_cfg[best].rate, fs);
1676
1677	coef_set = &pdata->bq_cfg[best];
1678
1679	regmask = (channel == 0) ? M98095_BQ1EN : M98095_BQ2EN;
1680
1681	/* Disable filter while configuring, and save current on/off state */
1682	regsave = snd_soc_component_read(component, M98095_088_CFG_LEVEL);
1683	snd_soc_component_update_bits(component, M98095_088_CFG_LEVEL, mask: regmask, val: 0);
1684
1685	mutex_lock(&max98095->lock);
1686	snd_soc_component_update_bits(component, M98095_00F_HOST_CFG, M98095_SEG, M98095_SEG);
1687	m98095_biquad_band(component, dai: channel, band: 0, coefs: coef_set->band1);
1688	m98095_biquad_band(component, dai: channel, band: 1, coefs: coef_set->band2);
1689	snd_soc_component_update_bits(component, M98095_00F_HOST_CFG, M98095_SEG, val: 0);
1690	mutex_unlock(lock: &max98095->lock);
1691
1692	/* Restore the original on/off state */
1693	snd_soc_component_update_bits(component, M98095_088_CFG_LEVEL, mask: regmask, val: regsave);
1694	return 0;
1695	}
1696
1697	static int max98095_get_bq_enum(struct snd_kcontrol *kcontrol,
1698	struct snd_ctl_elem_value *ucontrol)
1699	{
1700	struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol);
1701	struct max98095_priv *max98095 = snd_soc_component_get_drvdata(c: component);
1702	int channel = max98095_get_bq_channel(component, name: kcontrol->id.name);
1703	struct max98095_cdata *cdata;
1704
1705	if (channel < 0)
1706	return channel;
1707
1708	cdata = &max98095->dai[channel];
1709	ucontrol->value.enumerated.item[0] = cdata->bq_sel;
1710
1711	return 0;
1712	}
1713
1714	static void max98095_handle_bq_pdata(struct snd_soc_component *component)
1715	{
1716	struct max98095_priv *max98095 = snd_soc_component_get_drvdata(c: component);
1717	struct max98095_pdata *pdata = max98095->pdata;
1718	struct max98095_biquad_cfg *cfg;
1719	unsigned int cfgcnt;
1720	int i, j;
1721	const char **t;
1722	int ret;
1723
1724	struct snd_kcontrol_new controls[] = {
1725	SOC_ENUM_EXT((char *)bq_mode_name[0],
1726	max98095->bq_enum,
1727	max98095_get_bq_enum,
1728	max98095_put_bq_enum),
1729	SOC_ENUM_EXT((char *)bq_mode_name[1],
1730	max98095->bq_enum,
1731	max98095_get_bq_enum,
1732	max98095_put_bq_enum),
1733	};
1734	BUILD_BUG_ON(ARRAY_SIZE(controls) != ARRAY_SIZE(bq_mode_name));
1735
1736	cfg = pdata->bq_cfg;
1737	cfgcnt = pdata->bq_cfgcnt;
1738
1739	/* Setup an array of texts for the biquad enum.
1740	* This is based on Mark Brown's equalizer driver code.
1741	*/
1742	max98095->bq_textcnt = 0;
1743	max98095->bq_texts = NULL;
1744	for (i = 0; i < cfgcnt; i++) {
1745	for (j = 0; j < max98095->bq_textcnt; j++) {
1746	if (strcmp(cfg[i].name, max98095->bq_texts[j]) == 0)
1747	break;
1748	}
1749
1750	if (j != max98095->bq_textcnt)
1751	continue;
1752
1753	/* Expand the array */
1754	t = krealloc(objp: max98095->bq_texts,
1755	new_size: sizeof(char *) * (max98095->bq_textcnt + 1),
1756	GFP_KERNEL);
1757	if (t == NULL)
1758	continue;
1759
1760	/* Store the new entry */
1761	t[max98095->bq_textcnt] = cfg[i].name;
1762	max98095->bq_textcnt++;
1763	max98095->bq_texts = t;
1764	}
1765
1766	/* Now point the soc_enum to .texts array items */
1767	max98095->bq_enum.texts = max98095->bq_texts;
1768	max98095->bq_enum.items = max98095->bq_textcnt;
1769
1770	ret = snd_soc_add_component_controls(component, controls, ARRAY_SIZE(controls));
1771	if (ret != 0)
1772	dev_err(component->dev, "Failed to add Biquad control: %d\n", ret);
1773	}
1774
1775	static void max98095_handle_pdata(struct snd_soc_component *component)
1776	{
1777	struct max98095_priv *max98095 = snd_soc_component_get_drvdata(c: component);
1778	struct max98095_pdata *pdata = max98095->pdata;
1779	u8 regval = 0;
1780
1781	if (!pdata) {
1782	dev_dbg(component->dev, "No platform data\n");
1783	return;
1784	}
1785
1786	/* Configure mic for analog/digital mic mode */
1787	if (pdata->digmic_left_mode)
1788	regval |= M98095_DIGMIC_L;
1789
1790	if (pdata->digmic_right_mode)
1791	regval |= M98095_DIGMIC_R;
1792
1793	snd_soc_component_write(component, M98095_087_CFG_MIC, val: regval);
1794
1795	/* Configure equalizers */
1796	if (pdata->eq_cfgcnt)
1797	max98095_handle_eq_pdata(component);
1798
1799	/* Configure bi-quad filters */
1800	if (pdata->bq_cfgcnt)
1801	max98095_handle_bq_pdata(component);
1802	}
1803
1804	static irqreturn_t max98095_report_jack(int irq, void *data)
1805	{
1806	struct snd_soc_component *component = data;
1807	struct max98095_priv *max98095 = snd_soc_component_get_drvdata(c: component);
1808	unsigned int value;
1809	int hp_report = 0;
1810	int mic_report = 0;
1811
1812	/* Read the Jack Status Register */
1813	value = snd_soc_component_read(component, M98095_007_JACK_AUTO_STS);
1814
1815	/* If ddone is not set, then detection isn't finished yet */
1816	if ((value & M98095_DDONE) == 0)
1817	return IRQ_NONE;
1818
1819	/* if hp, check its bit, and if set, clear it */
1820	if ((value & M98095_HP_IN || value & M98095_LO_IN) &&
1821	max98095->headphone_jack)
1822	hp_report |= SND_JACK_HEADPHONE;
1823
1824	/* if mic, check its bit, and if set, clear it */
1825	if ((value & M98095_MIC_IN) && max98095->mic_jack)
1826	mic_report |= SND_JACK_MICROPHONE;
1827
1828	if (max98095->headphone_jack == max98095->mic_jack) {
1829	snd_soc_jack_report(jack: max98095->headphone_jack,
1830	status: hp_report | mic_report,
1831	mask: SND_JACK_HEADSET);
1832	} else {
1833	if (max98095->headphone_jack)
1834	snd_soc_jack_report(jack: max98095->headphone_jack,
1835	status: hp_report, mask: SND_JACK_HEADPHONE);
1836	if (max98095->mic_jack)
1837	snd_soc_jack_report(jack: max98095->mic_jack,
1838	status: mic_report, mask: SND_JACK_MICROPHONE);
1839	}
1840
1841	return IRQ_HANDLED;
1842	}
1843
1844	static int max98095_jack_detect_enable(struct snd_soc_component *component)
1845	{
1846	struct max98095_priv *max98095 = snd_soc_component_get_drvdata(c: component);
1847	int ret = 0;
1848	int detect_enable = M98095_JDEN;
1849	unsigned int slew = M98095_DEFAULT_SLEW_DELAY;
1850
1851	if (max98095->pdata->jack_detect_pin5en)
1852	detect_enable |= M98095_PIN5EN;
1853
1854	if (max98095->pdata->jack_detect_delay)
1855	slew = max98095->pdata->jack_detect_delay;
1856
1857	ret = snd_soc_component_write(component, M98095_08E_JACK_DC_SLEW, val: slew);
1858	if (ret < 0) {
1859	dev_err(component->dev, "Failed to cfg auto detect %d\n", ret);
1860	return ret;
1861	}
1862
1863	/* configure auto detection to be enabled */
1864	ret = snd_soc_component_write(component, M98095_089_JACK_DET_AUTO, val: detect_enable);
1865	if (ret < 0) {
1866	dev_err(component->dev, "Failed to cfg auto detect %d\n", ret);
1867	return ret;
1868	}
1869
1870	return ret;
1871	}
1872
1873	static int max98095_jack_detect_disable(struct snd_soc_component *component)
1874	{
1875	int ret = 0;
1876
1877	/* configure auto detection to be disabled */
1878	ret = snd_soc_component_write(component, M98095_089_JACK_DET_AUTO, val: 0x0);
1879	if (ret < 0) {
1880	dev_err(component->dev, "Failed to cfg auto detect %d\n", ret);
1881	return ret;
1882	}
1883
1884	return ret;
1885	}
1886
1887	int max98095_jack_detect(struct snd_soc_component *component,
1888	struct snd_soc_jack *hp_jack, struct snd_soc_jack *mic_jack)
1889	{
1890	struct max98095_priv *max98095 = snd_soc_component_get_drvdata(c: component);
1891	struct i2c_client *client = to_i2c_client(component->dev);
1892	int ret = 0;
1893
1894	max98095->headphone_jack = hp_jack;
1895	max98095->mic_jack = mic_jack;
1896
1897	/* only progress if we have at least 1 jack pointer */
1898	if (!hp_jack && !mic_jack)
1899	return -EINVAL;
1900
1901	max98095_jack_detect_enable(component);
1902
1903	/* enable interrupts for headphone jack detection */
1904	ret = snd_soc_component_update_bits(component, M98095_013_JACK_INT_EN,
1905	M98095_IDDONE, M98095_IDDONE);
1906	if (ret < 0) {
1907	dev_err(component->dev, "Failed to cfg jack irqs %d\n", ret);
1908	return ret;
1909	}
1910
1911	max98095_report_jack(irq: client->irq, data: component);
1912	return 0;
1913	}
1914	EXPORT_SYMBOL_GPL(max98095_jack_detect);
1915
1916	#ifdef CONFIG_PM
1917	static int max98095_suspend(struct snd_soc_component *component)
1918	{
1919	struct max98095_priv *max98095 = snd_soc_component_get_drvdata(c: component);
1920
1921	if (max98095->headphone_jack || max98095->mic_jack)
1922	max98095_jack_detect_disable(component);
1923
1924	snd_soc_component_force_bias_level(component, level: SND_SOC_BIAS_OFF);
1925
1926	return 0;
1927	}
1928
1929	static int max98095_resume(struct snd_soc_component *component)
1930	{
1931	struct max98095_priv *max98095 = snd_soc_component_get_drvdata(c: component);
1932	struct i2c_client *client = to_i2c_client(component->dev);
1933
1934	snd_soc_component_force_bias_level(component, level: SND_SOC_BIAS_STANDBY);
1935
1936	if (max98095->headphone_jack || max98095->mic_jack) {
1937	max98095_jack_detect_enable(component);
1938	max98095_report_jack(irq: client->irq, data: component);
1939	}
1940
1941	return 0;
1942	}
1943	#else
1944	#define max98095_suspend NULL
1945	#define max98095_resume NULL
1946	#endif
1947
1948	static int max98095_reset(struct snd_soc_component *component)
1949	{
1950	int i, ret;
1951
1952	/* Gracefully reset the DSP core and the codec hardware
1953	* in a proper sequence */
1954	ret = snd_soc_component_write(component, M98095_00F_HOST_CFG, val: 0);
1955	if (ret < 0) {
1956	dev_err(component->dev, "Failed to reset DSP: %d\n", ret);
1957	return ret;
1958	}
1959
1960	ret = snd_soc_component_write(component, M98095_097_PWR_SYS, val: 0);
1961	if (ret < 0) {
1962	dev_err(component->dev, "Failed to reset component: %d\n", ret);
1963	return ret;
1964	}
1965
1966	/* Reset to hardware default for registers, as there is not
1967	* a soft reset hardware control register */
1968	for (i = M98095_010_HOST_INT_CFG; i < M98095_REG_MAX_CACHED; i++) {
1969	ret = snd_soc_component_write(component, reg: i, val: snd_soc_component_read(component, reg: i));
1970	if (ret < 0) {
1971	dev_err(component->dev, "Failed to reset: %d\n", ret);
1972	return ret;
1973	}
1974	}
1975
1976	return ret;
1977	}
1978
1979	static int max98095_probe(struct snd_soc_component *component)
1980	{
1981	struct max98095_priv *max98095 = snd_soc_component_get_drvdata(c: component);
1982	struct max98095_cdata *cdata;
1983	struct i2c_client *client;
1984	int ret = 0;
1985
1986	max98095->mclk = devm_clk_get(dev: component->dev, id: "mclk");
1987	if (PTR_ERR(ptr: max98095->mclk) == -EPROBE_DEFER)
1988	return -EPROBE_DEFER;
1989
1990	/* reset the codec, the DSP core, and disable all interrupts */
1991	max98095_reset(component);
1992
1993	client = to_i2c_client(component->dev);
1994
1995	/* initialize private data */
1996
1997	max98095->sysclk = (unsigned)-1;
1998	max98095->eq_textcnt = 0;
1999	max98095->bq_textcnt = 0;
2000
2001	cdata = &max98095->dai[0];
2002	cdata->rate = (unsigned)-1;
2003	cdata->fmt = (unsigned)-1;
2004	cdata->eq_sel = 0;
2005	cdata->bq_sel = 0;
2006
2007	cdata = &max98095->dai[1];
2008	cdata->rate = (unsigned)-1;
2009	cdata->fmt = (unsigned)-1;
2010	cdata->eq_sel = 0;
2011	cdata->bq_sel = 0;
2012
2013	cdata = &max98095->dai[2];
2014	cdata->rate = (unsigned)-1;
2015	cdata->fmt = (unsigned)-1;
2016	cdata->eq_sel = 0;
2017	cdata->bq_sel = 0;
2018
2019	max98095->lin_state = 0;
2020	max98095->mic1pre = 0;
2021	max98095->mic2pre = 0;
2022
2023	if (client->irq) {
2024	/* register an audio interrupt */
2025	ret = request_threaded_irq(irq: client->irq, NULL,
2026	thread_fn: max98095_report_jack,
2027	IRQF_TRIGGER_FALLING | IRQF_TRIGGER_RISING |
2028	IRQF_ONESHOT, name: "max98095", dev: component);
2029	if (ret) {
2030	dev_err(component->dev, "Failed to request IRQ: %d\n", ret);
2031	goto err_access;
2032	}
2033	}
2034
2035	ret = snd_soc_component_read(component, M98095_0FF_REV_ID);
2036	if (ret < 0) {
2037	dev_err(component->dev, "Failure reading hardware revision: %d\n",
2038	ret);
2039	goto err_irq;
2040	}
2041	dev_info(component->dev, "Hardware revision: %c\n", ret - 0x40 + 'A');
2042
2043	snd_soc_component_write(component, M98095_097_PWR_SYS, M98095_PWRSV);
2044
2045	snd_soc_component_write(component, M98095_048_MIX_DAC_LR,
2046	M98095_DAI1L_TO_DACL|M98095_DAI1R_TO_DACR);
2047
2048	snd_soc_component_write(component, M98095_049_MIX_DAC_M,
2049	M98095_DAI2M_TO_DACM|M98095_DAI3M_TO_DACM);
2050
2051	snd_soc_component_write(component, M98095_092_PWR_EN_OUT, M98095_SPK_SPREADSPECTRUM);
2052	snd_soc_component_write(component, M98095_045_CFG_DSP, M98095_DSPNORMAL);
2053	snd_soc_component_write(component, M98095_04E_CFG_HP, M98095_HPNORMAL);
2054
2055	snd_soc_component_write(component, M98095_02C_DAI1_IOCFG,
2056	M98095_S1NORMAL|M98095_SDATA);
2057
2058	snd_soc_component_write(component, M98095_036_DAI2_IOCFG,
2059	M98095_S2NORMAL|M98095_SDATA);
2060
2061	snd_soc_component_write(component, M98095_040_DAI3_IOCFG,
2062	M98095_S3NORMAL|M98095_SDATA);
2063
2064	max98095_handle_pdata(component);
2065
2066	/* take the codec out of the shut down */
2067	snd_soc_component_update_bits(component, M98095_097_PWR_SYS, M98095_SHDNRUN,
2068	M98095_SHDNRUN);
2069
2070	return 0;
2071
2072	err_irq:
2073	if (client->irq)
2074	free_irq(client->irq, component);
2075	err_access:
2076	return ret;
2077	}
2078
2079	static void max98095_remove(struct snd_soc_component *component)
2080	{
2081	struct max98095_priv *max98095 = snd_soc_component_get_drvdata(c: component);
2082	struct i2c_client *client = to_i2c_client(component->dev);
2083
2084	if (max98095->headphone_jack || max98095->mic_jack)
2085	max98095_jack_detect_disable(component);
2086
2087	if (client->irq)
2088	free_irq(client->irq, component);
2089	}
2090
2091	static const struct snd_soc_component_driver soc_component_dev_max98095 = {
2092	.probe = max98095_probe,
2093	.remove = max98095_remove,
2094	.suspend = max98095_suspend,
2095	.resume = max98095_resume,
2096	.set_bias_level = max98095_set_bias_level,
2097	.controls = max98095_snd_controls,
2098	.num_controls = ARRAY_SIZE(max98095_snd_controls),
2099	.dapm_widgets = max98095_dapm_widgets,
2100	.num_dapm_widgets = ARRAY_SIZE(max98095_dapm_widgets),
2101	.dapm_routes = max98095_audio_map,
2102	.num_dapm_routes = ARRAY_SIZE(max98095_audio_map),
2103	.idle_bias_on = 1,
2104	.use_pmdown_time = 1,
2105	.endianness = 1,
2106	};
2107
2108	static const struct i2c_device_id max98095_i2c_id[] = {
2109	{ "max98095", MAX98095 },
2110	{ }
2111	};
2112	MODULE_DEVICE_TABLE(i2c, max98095_i2c_id);
2113
2114	static int max98095_i2c_probe(struct i2c_client *i2c)
2115	{
2116	struct max98095_priv *max98095;
2117	int ret;
2118	const struct i2c_device_id *id;
2119
2120	max98095 = devm_kzalloc(dev: &i2c->dev, size: sizeof(struct max98095_priv),
2121	GFP_KERNEL);
2122	if (max98095 == NULL)
2123	return -ENOMEM;
2124
2125	mutex_init(&max98095->lock);
2126
2127	max98095->regmap = devm_regmap_init_i2c(i2c, &max98095_regmap);
2128	if (IS_ERR(ptr: max98095->regmap)) {
2129	ret = PTR_ERR(ptr: max98095->regmap);
2130	dev_err(&i2c->dev, "Failed to allocate regmap: %d\n", ret);
2131	return ret;
2132	}
2133
2134	id = i2c_match_id(id: max98095_i2c_id, client: i2c);
2135	max98095->devtype = id->driver_data;
2136	i2c_set_clientdata(client: i2c, data: max98095);
2137	max98095->pdata = i2c->dev.platform_data;
2138
2139	ret = devm_snd_soc_register_component(dev: &i2c->dev,
2140	component_driver: &soc_component_dev_max98095,
2141	dai_drv: max98095_dai, ARRAY_SIZE(max98095_dai));
2142	return ret;
2143	}
2144
2145	#ifdef CONFIG_OF
2146	static const struct of_device_id max98095_of_match[] = {
2147	{ .compatible = "maxim,max98095", },
2148	{ }
2149	};
2150	MODULE_DEVICE_TABLE(of, max98095_of_match);
2151	#endif
2152
2153	static struct i2c_driver max98095_i2c_driver = {
2154	.driver = {
2155	.name = "max98095",
2156	.of_match_table = of_match_ptr(max98095_of_match),
2157	},
2158	.probe = max98095_i2c_probe,
2159	.id_table = max98095_i2c_id,
2160	};
2161
2162	module_i2c_driver(max98095_i2c_driver);
2163
2164	MODULE_DESCRIPTION("ALSA SoC MAX98095 driver");
2165	MODULE_AUTHOR("Peter Hsiang");
2166	MODULE_LICENSE("GPL");
2167