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88pm860x-codec.c
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1 /*
2  * 88pm860x-codec.c -- 88PM860x ALSA SoC Audio Driver
3  *
4  * Copyright 2010 Marvell International Ltd.
5  * Author: Haojian Zhuang <[email protected]>
6  *
7  * This program is free software; you can redistribute it and/or modify
8  * it under the terms of the GNU General Public License version 2 as
9  * published by the Free Software Foundation.
10  */
11 
12 #include <linux/kernel.h>
13 #include <linux/module.h>
14 #include <linux/i2c.h>
15 #include <linux/platform_device.h>
16 #include <linux/mfd/88pm860x.h>
17 #include <linux/slab.h>
18 #include <linux/delay.h>
19 #include <sound/core.h>
20 #include <sound/pcm.h>
21 #include <sound/pcm_params.h>
22 #include <sound/soc.h>
23 #include <sound/tlv.h>
24 #include <sound/initval.h>
25 #include <sound/jack.h>
26 #include <trace/events/asoc.h>
27 
28 #include "88pm860x-codec.h"
29 
30 #define MAX_NAME_LEN 20
31 #define REG_CACHE_SIZE 0x40
32 #define REG_CACHE_BASE 0xb0
33 
34 /* Status Register 1 (0x01) */
35 #define REG_STATUS_1 0x01
36 #define MIC_STATUS (1 << 7)
37 #define HOOK_STATUS (1 << 6)
38 #define HEADSET_STATUS (1 << 5)
39 
40 /* Mic Detection Register (0x37) */
41 #define REG_MIC_DET 0x37
42 #define CONTINUOUS_POLLING (3 << 1)
43 #define EN_MIC_DET (1 << 0)
44 #define MICDET_MASK 0x07
45 
46 /* Headset Detection Register (0x38) */
47 #define REG_HS_DET 0x38
48 #define EN_HS_DET (1 << 0)
49 
50 /* Misc2 Register (0x42) */
51 #define REG_MISC2 0x42
52 #define AUDIO_PLL (1 << 5)
53 #define AUDIO_SECTION_RESET (1 << 4)
54 #define AUDIO_SECTION_ON (1 << 3)
55 
56 /* PCM Interface Register 2 (0xb1) */
57 #define PCM_INF2_BCLK (1 << 6) /* Bit clock polarity */
58 #define PCM_INF2_FS (1 << 5) /* Frame Sync polarity */
59 #define PCM_INF2_MASTER (1 << 4) /* Master / Slave */
60 #define PCM_INF2_18WL (1 << 3) /* 18 / 16 bits */
61 #define PCM_GENERAL_I2S 0
62 #define PCM_EXACT_I2S 1
63 #define PCM_LEFT_I2S 2
64 #define PCM_RIGHT_I2S 3
65 #define PCM_SHORT_FS 4
66 #define PCM_LONG_FS 5
67 #define PCM_MODE_MASK 7
68 
69 /* I2S Interface Register 4 (0xbe) */
70 #define I2S_EQU_BYP (1 << 6)
71 
72 /* DAC Offset Register (0xcb) */
73 #define DAC_MUTE (1 << 7)
74 #define MUTE_LEFT (1 << 6)
75 #define MUTE_RIGHT (1 << 2)
76 
77 /* ADC Analog Register 1 (0xd0) */
78 #define REG_ADC_ANA_1 0xd0
79 #define MIC1BIAS_MASK 0x60
80 
81 /* Earpiece/Speaker Control Register 2 (0xda) */
82 #define REG_EAR2 0xda
83 #define RSYNC_CHANGE (1 << 2)
84 
85 /* Audio Supplies Register 2 (0xdc) */
86 #define REG_SUPPLIES2 0xdc
87 #define LDO15_READY (1 << 4)
88 #define LDO15_EN (1 << 3)
89 #define CPUMP_READY (1 << 2)
90 #define CPUMP_EN (1 << 1)
91 #define AUDIO_EN (1 << 0)
92 #define SUPPLY_MASK (LDO15_EN | CPUMP_EN | AUDIO_EN)
93 
94 /* Audio Enable Register 1 (0xdd) */
95 #define ADC_MOD_RIGHT (1 << 1)
96 #define ADC_MOD_LEFT (1 << 0)
97 
98 /* Audio Enable Register 2 (0xde) */
99 #define ADC_LEFT (1 << 5)
100 #define ADC_RIGHT (1 << 4)
101 
102 /* DAC Enable Register 2 (0xe1) */
103 #define DAC_LEFT (1 << 5)
104 #define DAC_RIGHT (1 << 4)
105 #define MODULATOR (1 << 3)
106 
107 /* Shorts Register (0xeb) */
108 #define REG_SHORTS 0xeb
109 #define CLR_SHORT_LO2 (1 << 7)
110 #define SHORT_LO2 (1 << 6)
111 #define CLR_SHORT_LO1 (1 << 5)
112 #define SHORT_LO1 (1 << 4)
113 #define CLR_SHORT_HS2 (1 << 3)
114 #define SHORT_HS2 (1 << 2)
115 #define CLR_SHORT_HS1 (1 << 1)
116 #define SHORT_HS1 (1 << 0)
117 
118 /*
119  * This widget should be just after DAC & PGA in DAPM power-on sequence and
120  * before DAC & PGA in DAPM power-off sequence.
121  */
122 #define PM860X_DAPM_OUTPUT(wname, wevent) \
123 { .id = snd_soc_dapm_pga, .name = wname, .reg = SND_SOC_NOPM, \
124  .shift = 0, .invert = 0, .kcontrol_news = NULL, \
125  .num_kcontrols = 0, .event = wevent, \
126  .event_flags = SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD, }
127 
128 struct pm860x_det {
129  struct snd_soc_jack *hp_jack;
130  struct snd_soc_jack *mic_jack;
131  int hp_det;
132  int mic_det;
133  int hook_det;
134  int hs_shrt;
135  int lo_shrt;
136 };
137 
138 struct pm860x_priv {
139  unsigned int sysclk;
140  unsigned int pcmclk;
141  unsigned int dir;
142  unsigned int filter;
143  struct snd_soc_codec *codec;
144  struct i2c_client *i2c;
145  struct pm860x_chip *chip;
146  struct pm860x_det det;
147 
148  int irq[4];
149  unsigned char name[4][MAX_NAME_LEN];
150 };
151 
152 /* -9450dB to 0dB in 150dB steps ( mute instead of -9450dB) */
153 static const DECLARE_TLV_DB_SCALE(dpga_tlv, -9450, 150, 1);
154 
155 /* -9dB to 0db in 3dB steps */
156 static const DECLARE_TLV_DB_SCALE(adc_tlv, -900, 300, 0);
157 
158 /* {-23, -17, -13.5, -11, -9, -6, -3, 0}dB */
159 static const unsigned int mic_tlv[] = {
160  TLV_DB_RANGE_HEAD(5),
161  0, 0, TLV_DB_SCALE_ITEM(-2300, 0, 0),
162  1, 1, TLV_DB_SCALE_ITEM(-1700, 0, 0),
163  2, 2, TLV_DB_SCALE_ITEM(-1350, 0, 0),
164  3, 3, TLV_DB_SCALE_ITEM(-1100, 0, 0),
165  4, 7, TLV_DB_SCALE_ITEM(-900, 300, 0),
166 };
167 
168 /* {0, 0, 0, -6, 0, 6, 12, 18}dB */
169 static const unsigned int aux_tlv[] = {
170  TLV_DB_RANGE_HEAD(2),
171  0, 2, TLV_DB_SCALE_ITEM(0, 0, 0),
172  3, 7, TLV_DB_SCALE_ITEM(-600, 600, 0),
173 };
174 
175 /* {-16, -13, -10, -7, -5.2, -3,3, -2.2, 0}dB, mute instead of -16dB */
176 static const unsigned int out_tlv[] = {
177  TLV_DB_RANGE_HEAD(4),
178  0, 3, TLV_DB_SCALE_ITEM(-1600, 300, 1),
179  4, 4, TLV_DB_SCALE_ITEM(-520, 0, 0),
180  5, 5, TLV_DB_SCALE_ITEM(-330, 0, 0),
181  6, 7, TLV_DB_SCALE_ITEM(-220, 220, 0),
182 };
183 
184 static const unsigned int st_tlv[] = {
185  TLV_DB_RANGE_HEAD(8),
186  0, 1, TLV_DB_SCALE_ITEM(-12041, 602, 0),
187  2, 3, TLV_DB_SCALE_ITEM(-11087, 250, 0),
188  4, 5, TLV_DB_SCALE_ITEM(-10643, 158, 0),
189  6, 7, TLV_DB_SCALE_ITEM(-10351, 116, 0),
190  8, 9, TLV_DB_SCALE_ITEM(-10133, 92, 0),
191  10, 13, TLV_DB_SCALE_ITEM(-9958, 70, 0),
192  14, 17, TLV_DB_SCALE_ITEM(-9689, 53, 0),
193  18, 271, TLV_DB_SCALE_ITEM(-9484, 37, 0),
194 };
195 
196 /* Sidetone Gain = M * 2^(-5-N) */
197 struct st_gain {
198  unsigned int db;
199  unsigned int m;
200  unsigned int n;
201 };
202 
203 static struct st_gain st_table[] = {
204  {-12041, 1, 15}, {-11439, 1, 14}, {-11087, 3, 15}, {-10837, 1, 13},
205  {-10643, 5, 15}, {-10485, 3, 14}, {-10351, 7, 15}, {-10235, 1, 12},
206  {-10133, 9, 15}, {-10041, 5, 14}, { -9958, 11, 15}, { -9883, 3, 13},
207  { -9813, 13, 15}, { -9749, 7, 14}, { -9689, 15, 15}, { -9633, 1, 11},
208  { -9580, 17, 15}, { -9531, 9, 14}, { -9484, 19, 15}, { -9439, 5, 13},
209  { -9397, 21, 15}, { -9356, 11, 14}, { -9318, 23, 15}, { -9281, 3, 12},
210  { -9245, 25, 15}, { -9211, 13, 14}, { -9178, 27, 15}, { -9147, 7, 13},
211  { -9116, 29, 15}, { -9087, 15, 14}, { -9058, 31, 15}, { -9031, 1, 10},
212  { -8978, 17, 14}, { -8929, 9, 13}, { -8882, 19, 14}, { -8837, 5, 12},
213  { -8795, 21, 14}, { -8754, 11, 13}, { -8716, 23, 14}, { -8679, 3, 11},
214  { -8643, 25, 14}, { -8609, 13, 13}, { -8576, 27, 14}, { -8545, 7, 12},
215  { -8514, 29, 14}, { -8485, 15, 13}, { -8456, 31, 14}, { -8429, 1, 9},
216  { -8376, 17, 13}, { -8327, 9, 12}, { -8280, 19, 13}, { -8235, 5, 11},
217  { -8193, 21, 13}, { -8152, 11, 12}, { -8114, 23, 13}, { -8077, 3, 10},
218  { -8041, 25, 13}, { -8007, 13, 12}, { -7974, 27, 13}, { -7943, 7, 11},
219  { -7912, 29, 13}, { -7883, 15, 12}, { -7854, 31, 13}, { -7827, 1, 8},
220  { -7774, 17, 12}, { -7724, 9, 11}, { -7678, 19, 12}, { -7633, 5, 10},
221  { -7591, 21, 12}, { -7550, 11, 11}, { -7512, 23, 12}, { -7475, 3, 9},
222  { -7439, 25, 12}, { -7405, 13, 11}, { -7372, 27, 12}, { -7341, 7, 10},
223  { -7310, 29, 12}, { -7281, 15, 11}, { -7252, 31, 12}, { -7225, 1, 7},
224  { -7172, 17, 11}, { -7122, 9, 10}, { -7075, 19, 11}, { -7031, 5, 9},
225  { -6989, 21, 11}, { -6948, 11, 10}, { -6910, 23, 11}, { -6873, 3, 8},
226  { -6837, 25, 11}, { -6803, 13, 10}, { -6770, 27, 11}, { -6739, 7, 9},
227  { -6708, 29, 11}, { -6679, 15, 10}, { -6650, 31, 11}, { -6623, 1, 6},
228  { -6570, 17, 10}, { -6520, 9, 9}, { -6473, 19, 10}, { -6429, 5, 8},
229  { -6386, 21, 10}, { -6346, 11, 9}, { -6307, 23, 10}, { -6270, 3, 7},
230  { -6235, 25, 10}, { -6201, 13, 9}, { -6168, 27, 10}, { -6137, 7, 8},
231  { -6106, 29, 10}, { -6077, 15, 9}, { -6048, 31, 10}, { -6021, 1, 5},
232  { -5968, 17, 9}, { -5918, 9, 8}, { -5871, 19, 9}, { -5827, 5, 7},
233  { -5784, 21, 9}, { -5744, 11, 8}, { -5705, 23, 9}, { -5668, 3, 6},
234  { -5633, 25, 9}, { -5599, 13, 8}, { -5566, 27, 9}, { -5535, 7, 7},
235  { -5504, 29, 9}, { -5475, 15, 8}, { -5446, 31, 9}, { -5419, 1, 4},
236  { -5366, 17, 8}, { -5316, 9, 7}, { -5269, 19, 8}, { -5225, 5, 6},
237  { -5182, 21, 8}, { -5142, 11, 7}, { -5103, 23, 8}, { -5066, 3, 5},
238  { -5031, 25, 8}, { -4997, 13, 7}, { -4964, 27, 8}, { -4932, 7, 6},
239  { -4902, 29, 8}, { -4873, 15, 7}, { -4844, 31, 8}, { -4816, 1, 3},
240  { -4764, 17, 7}, { -4714, 9, 6}, { -4667, 19, 7}, { -4623, 5, 5},
241  { -4580, 21, 7}, { -4540, 11, 6}, { -4501, 23, 7}, { -4464, 3, 4},
242  { -4429, 25, 7}, { -4395, 13, 6}, { -4362, 27, 7}, { -4330, 7, 5},
243  { -4300, 29, 7}, { -4270, 15, 6}, { -4242, 31, 7}, { -4214, 1, 2},
244  { -4162, 17, 6}, { -4112, 9, 5}, { -4065, 19, 6}, { -4021, 5, 4},
245  { -3978, 21, 6}, { -3938, 11, 5}, { -3899, 23, 6}, { -3862, 3, 3},
246  { -3827, 25, 6}, { -3793, 13, 5}, { -3760, 27, 6}, { -3728, 7, 4},
247  { -3698, 29, 6}, { -3668, 15, 5}, { -3640, 31, 6}, { -3612, 1, 1},
248  { -3560, 17, 5}, { -3510, 9, 4}, { -3463, 19, 5}, { -3419, 5, 3},
249  { -3376, 21, 5}, { -3336, 11, 4}, { -3297, 23, 5}, { -3260, 3, 2},
250  { -3225, 25, 5}, { -3191, 13, 4}, { -3158, 27, 5}, { -3126, 7, 3},
251  { -3096, 29, 5}, { -3066, 15, 4}, { -3038, 31, 5}, { -3010, 1, 0},
252  { -2958, 17, 4}, { -2908, 9, 3}, { -2861, 19, 4}, { -2816, 5, 2},
253  { -2774, 21, 4}, { -2734, 11, 3}, { -2695, 23, 4}, { -2658, 3, 1},
254  { -2623, 25, 4}, { -2589, 13, 3}, { -2556, 27, 4}, { -2524, 7, 2},
255  { -2494, 29, 4}, { -2464, 15, 3}, { -2436, 31, 4}, { -2408, 2, 0},
256  { -2356, 17, 3}, { -2306, 9, 2}, { -2259, 19, 3}, { -2214, 5, 1},
257  { -2172, 21, 3}, { -2132, 11, 2}, { -2093, 23, 3}, { -2056, 3, 0},
258  { -2021, 25, 3}, { -1987, 13, 2}, { -1954, 27, 3}, { -1922, 7, 1},
259  { -1892, 29, 3}, { -1862, 15, 2}, { -1834, 31, 3}, { -1806, 4, 0},
260  { -1754, 17, 2}, { -1704, 9, 1}, { -1657, 19, 2}, { -1612, 5, 0},
261  { -1570, 21, 2}, { -1530, 11, 1}, { -1491, 23, 2}, { -1454, 6, 0},
262  { -1419, 25, 2}, { -1384, 13, 1}, { -1352, 27, 2}, { -1320, 7, 0},
263  { -1290, 29, 2}, { -1260, 15, 1}, { -1232, 31, 2}, { -1204, 8, 0},
264  { -1151, 17, 1}, { -1102, 9, 0}, { -1055, 19, 1}, { -1010, 10, 0},
265  { -968, 21, 1}, { -928, 11, 0}, { -889, 23, 1}, { -852, 12, 0},
266  { -816, 25, 1}, { -782, 13, 0}, { -750, 27, 1}, { -718, 14, 0},
267  { -688, 29, 1}, { -658, 15, 0}, { -630, 31, 1}, { -602, 16, 0},
268  { -549, 17, 0}, { -500, 18, 0}, { -453, 19, 0}, { -408, 20, 0},
269  { -366, 21, 0}, { -325, 22, 0}, { -287, 23, 0}, { -250, 24, 0},
270  { -214, 25, 0}, { -180, 26, 0}, { -148, 27, 0}, { -116, 28, 0},
271  { -86, 29, 0}, { -56, 30, 0}, { -28, 31, 0}, { 0, 0, 0},
272 };
273 
274 static int pm860x_volatile(unsigned int reg)
275 {
276  BUG_ON(reg >= REG_CACHE_SIZE);
277 
278  switch (reg) {
279  case PM860X_AUDIO_SUPPLIES_2:
280  return 1;
281  }
282 
283  return 0;
284 }
285 
286 static unsigned int pm860x_read_reg_cache(struct snd_soc_codec *codec,
287  unsigned int reg)
288 {
289  unsigned char *cache = codec->reg_cache;
290 
291  BUG_ON(reg >= REG_CACHE_SIZE);
292 
293  if (pm860x_volatile(reg))
294  return cache[reg];
295 
296  reg += REG_CACHE_BASE;
297 
298  return pm860x_reg_read(codec->control_data, reg);
299 }
300 
301 static int pm860x_write_reg_cache(struct snd_soc_codec *codec,
302  unsigned int reg, unsigned int value)
303 {
304  unsigned char *cache = codec->reg_cache;
305 
306  BUG_ON(reg >= REG_CACHE_SIZE);
307 
308  if (!pm860x_volatile(reg))
309  cache[reg] = (unsigned char)value;
310 
311  reg += REG_CACHE_BASE;
312 
313  return pm860x_reg_write(codec->control_data, reg, value);
314 }
315 
316 static int snd_soc_get_volsw_2r_st(struct snd_kcontrol *kcontrol,
317  struct snd_ctl_elem_value *ucontrol)
318 {
319  struct soc_mixer_control *mc =
320  (struct soc_mixer_control *)kcontrol->private_value;
321  struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
322  unsigned int reg = mc->reg;
323  unsigned int reg2 = mc->rreg;
324  int val[2], val2[2], i;
325 
326  val[0] = snd_soc_read(codec, reg) & 0x3f;
327  val[1] = (snd_soc_read(codec, PM860X_SIDETONE_SHIFT) >> 4) & 0xf;
328  val2[0] = snd_soc_read(codec, reg2) & 0x3f;
329  val2[1] = (snd_soc_read(codec, PM860X_SIDETONE_SHIFT)) & 0xf;
330 
331  for (i = 0; i < ARRAY_SIZE(st_table); i++) {
332  if ((st_table[i].m == val[0]) && (st_table[i].n == val[1]))
333  ucontrol->value.integer.value[0] = i;
334  if ((st_table[i].m == val2[0]) && (st_table[i].n == val2[1]))
335  ucontrol->value.integer.value[1] = i;
336  }
337  return 0;
338 }
339 
340 static int snd_soc_put_volsw_2r_st(struct snd_kcontrol *kcontrol,
341  struct snd_ctl_elem_value *ucontrol)
342 {
343  struct soc_mixer_control *mc =
344  (struct soc_mixer_control *)kcontrol->private_value;
345  struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
346  unsigned int reg = mc->reg;
347  unsigned int reg2 = mc->rreg;
348  int err;
349  unsigned int val, val2;
350 
351  val = ucontrol->value.integer.value[0];
352  val2 = ucontrol->value.integer.value[1];
353 
354  err = snd_soc_update_bits(codec, reg, 0x3f, st_table[val].m);
355  if (err < 0)
356  return err;
357  err = snd_soc_update_bits(codec, PM860X_SIDETONE_SHIFT, 0xf0,
358  st_table[val].n << 4);
359  if (err < 0)
360  return err;
361 
362  err = snd_soc_update_bits(codec, reg2, 0x3f, st_table[val2].m);
363  if (err < 0)
364  return err;
365  err = snd_soc_update_bits(codec, PM860X_SIDETONE_SHIFT, 0x0f,
366  st_table[val2].n);
367  return err;
368 }
369 
370 static int snd_soc_get_volsw_2r_out(struct snd_kcontrol *kcontrol,
371  struct snd_ctl_elem_value *ucontrol)
372 {
373  struct soc_mixer_control *mc =
374  (struct soc_mixer_control *)kcontrol->private_value;
375  struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
376  unsigned int reg = mc->reg;
377  unsigned int reg2 = mc->rreg;
378  unsigned int shift = mc->shift;
379  int max = mc->max, val, val2;
380  unsigned int mask = (1 << fls(max)) - 1;
381 
382  val = snd_soc_read(codec, reg) >> shift;
383  val2 = snd_soc_read(codec, reg2) >> shift;
384  ucontrol->value.integer.value[0] = (max - val) & mask;
385  ucontrol->value.integer.value[1] = (max - val2) & mask;
386 
387  return 0;
388 }
389 
390 static int snd_soc_put_volsw_2r_out(struct snd_kcontrol *kcontrol,
391  struct snd_ctl_elem_value *ucontrol)
392 {
393  struct soc_mixer_control *mc =
394  (struct soc_mixer_control *)kcontrol->private_value;
395  struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
396  unsigned int reg = mc->reg;
397  unsigned int reg2 = mc->rreg;
398  unsigned int shift = mc->shift;
399  int max = mc->max;
400  unsigned int mask = (1 << fls(max)) - 1;
401  int err;
402  unsigned int val, val2, val_mask;
403 
404  val_mask = mask << shift;
405  val = ((max - ucontrol->value.integer.value[0]) & mask);
406  val2 = ((max - ucontrol->value.integer.value[1]) & mask);
407 
408  val = val << shift;
409  val2 = val2 << shift;
410 
411  err = snd_soc_update_bits(codec, reg, val_mask, val);
412  if (err < 0)
413  return err;
414 
415  err = snd_soc_update_bits(codec, reg2, val_mask, val2);
416  return err;
417 }
418 
419 /* DAPM Widget Events */
420 /*
421  * A lot registers are belong to RSYNC domain. It requires enabling RSYNC bit
422  * after updating these registers. Otherwise, these updated registers won't
423  * be effective.
424  */
425 static int pm860x_rsync_event(struct snd_soc_dapm_widget *w,
426  struct snd_kcontrol *kcontrol, int event)
427 {
428  struct snd_soc_codec *codec = w->codec;
429 
430  /*
431  * In order to avoid current on the load, mute power-on and power-off
432  * should be transients.
433  * Unmute by DAC_MUTE. It should be unmuted when DAPM sequence is
434  * finished.
435  */
436  snd_soc_update_bits(codec, PM860X_DAC_OFFSET, DAC_MUTE, 0);
437  snd_soc_update_bits(codec, PM860X_EAR_CTRL_2,
438  RSYNC_CHANGE, RSYNC_CHANGE);
439  return 0;
440 }
441 
442 static int pm860x_dac_event(struct snd_soc_dapm_widget *w,
443  struct snd_kcontrol *kcontrol, int event)
444 {
445  struct snd_soc_codec *codec = w->codec;
446  unsigned int dac = 0;
447  int data;
448 
449  if (!strcmp(w->name, "Left DAC"))
450  dac = DAC_LEFT;
451  if (!strcmp(w->name, "Right DAC"))
452  dac = DAC_RIGHT;
453  switch (event) {
454  case SND_SOC_DAPM_PRE_PMU:
455  if (dac) {
456  /* Auto mute in power-on sequence. */
457  dac |= MODULATOR;
458  snd_soc_update_bits(codec, PM860X_DAC_OFFSET,
459  DAC_MUTE, DAC_MUTE);
460  snd_soc_update_bits(codec, PM860X_EAR_CTRL_2,
461  RSYNC_CHANGE, RSYNC_CHANGE);
462  /* update dac */
463  snd_soc_update_bits(codec, PM860X_DAC_EN_2,
464  dac, dac);
465  }
466  break;
467  case SND_SOC_DAPM_PRE_PMD:
468  if (dac) {
469  /* Auto mute in power-off sequence. */
470  snd_soc_update_bits(codec, PM860X_DAC_OFFSET,
471  DAC_MUTE, DAC_MUTE);
472  snd_soc_update_bits(codec, PM860X_EAR_CTRL_2,
473  RSYNC_CHANGE, RSYNC_CHANGE);
474  /* update dac */
475  data = snd_soc_read(codec, PM860X_DAC_EN_2);
476  data &= ~dac;
477  if (!(data & (DAC_LEFT | DAC_RIGHT)))
478  data &= ~MODULATOR;
479  snd_soc_write(codec, PM860X_DAC_EN_2, data);
480  }
481  break;
482  }
483  return 0;
484 }
485 
486 static const char *pm860x_opamp_texts[] = {"-50%", "-25%", "0%", "75%"};
487 
488 static const char *pm860x_pa_texts[] = {"-33%", "0%", "33%", "66%"};
489 
490 static const struct soc_enum pm860x_hs1_opamp_enum =
491  SOC_ENUM_SINGLE(PM860X_HS1_CTRL, 5, 4, pm860x_opamp_texts);
492 
493 static const struct soc_enum pm860x_hs2_opamp_enum =
494  SOC_ENUM_SINGLE(PM860X_HS2_CTRL, 5, 4, pm860x_opamp_texts);
495 
496 static const struct soc_enum pm860x_hs1_pa_enum =
497  SOC_ENUM_SINGLE(PM860X_HS1_CTRL, 3, 4, pm860x_pa_texts);
498 
499 static const struct soc_enum pm860x_hs2_pa_enum =
500  SOC_ENUM_SINGLE(PM860X_HS2_CTRL, 3, 4, pm860x_pa_texts);
501 
502 static const struct soc_enum pm860x_lo1_opamp_enum =
503  SOC_ENUM_SINGLE(PM860X_LO1_CTRL, 5, 4, pm860x_opamp_texts);
504 
505 static const struct soc_enum pm860x_lo2_opamp_enum =
506  SOC_ENUM_SINGLE(PM860X_LO2_CTRL, 5, 4, pm860x_opamp_texts);
507 
508 static const struct soc_enum pm860x_lo1_pa_enum =
509  SOC_ENUM_SINGLE(PM860X_LO1_CTRL, 3, 4, pm860x_pa_texts);
510 
511 static const struct soc_enum pm860x_lo2_pa_enum =
512  SOC_ENUM_SINGLE(PM860X_LO2_CTRL, 3, 4, pm860x_pa_texts);
513 
514 static const struct soc_enum pm860x_spk_pa_enum =
515  SOC_ENUM_SINGLE(PM860X_EAR_CTRL_1, 5, 4, pm860x_pa_texts);
516 
517 static const struct soc_enum pm860x_ear_pa_enum =
518  SOC_ENUM_SINGLE(PM860X_EAR_CTRL_2, 0, 4, pm860x_pa_texts);
519 
520 static const struct soc_enum pm860x_spk_ear_opamp_enum =
521  SOC_ENUM_SINGLE(PM860X_EAR_CTRL_1, 3, 4, pm860x_opamp_texts);
522 
523 static const struct snd_kcontrol_new pm860x_snd_controls[] = {
524  SOC_DOUBLE_R_TLV("ADC Capture Volume", PM860X_ADC_ANA_2,
525  PM860X_ADC_ANA_3, 6, 3, 0, adc_tlv),
526  SOC_DOUBLE_TLV("AUX Capture Volume", PM860X_ADC_ANA_3, 0, 3, 7, 0,
527  aux_tlv),
528  SOC_SINGLE_TLV("MIC1 Capture Volume", PM860X_ADC_ANA_2, 0, 7, 0,
529  mic_tlv),
530  SOC_SINGLE_TLV("MIC3 Capture Volume", PM860X_ADC_ANA_2, 3, 7, 0,
531  mic_tlv),
532  SOC_DOUBLE_R_EXT_TLV("Sidetone Volume", PM860X_SIDETONE_L_GAIN,
533  PM860X_SIDETONE_R_GAIN, 0, ARRAY_SIZE(st_table)-1,
534  0, snd_soc_get_volsw_2r_st,
535  snd_soc_put_volsw_2r_st, st_tlv),
536  SOC_SINGLE_TLV("Speaker Playback Volume", PM860X_EAR_CTRL_1,
537  0, 7, 0, out_tlv),
538  SOC_DOUBLE_R_TLV("Line Playback Volume", PM860X_LO1_CTRL,
539  PM860X_LO2_CTRL, 0, 7, 0, out_tlv),
540  SOC_DOUBLE_R_TLV("Headset Playback Volume", PM860X_HS1_CTRL,
541  PM860X_HS2_CTRL, 0, 7, 0, out_tlv),
542  SOC_DOUBLE_R_EXT_TLV("Hifi Left Playback Volume",
543  PM860X_HIFIL_GAIN_LEFT,
544  PM860X_HIFIL_GAIN_RIGHT, 0, 63, 0,
545  snd_soc_get_volsw_2r_out,
546  snd_soc_put_volsw_2r_out, dpga_tlv),
547  SOC_DOUBLE_R_EXT_TLV("Hifi Right Playback Volume",
548  PM860X_HIFIR_GAIN_LEFT,
549  PM860X_HIFIR_GAIN_RIGHT, 0, 63, 0,
550  snd_soc_get_volsw_2r_out,
551  snd_soc_put_volsw_2r_out, dpga_tlv),
552  SOC_DOUBLE_R_EXT_TLV("Lofi Playback Volume", PM860X_LOFI_GAIN_LEFT,
553  PM860X_LOFI_GAIN_RIGHT, 0, 63, 0,
554  snd_soc_get_volsw_2r_out,
555  snd_soc_put_volsw_2r_out, dpga_tlv),
556  SOC_ENUM("Headset1 Operational Amplifier Current",
557  pm860x_hs1_opamp_enum),
558  SOC_ENUM("Headset2 Operational Amplifier Current",
559  pm860x_hs2_opamp_enum),
560  SOC_ENUM("Headset1 Amplifier Current", pm860x_hs1_pa_enum),
561  SOC_ENUM("Headset2 Amplifier Current", pm860x_hs2_pa_enum),
562  SOC_ENUM("Lineout1 Operational Amplifier Current",
563  pm860x_lo1_opamp_enum),
564  SOC_ENUM("Lineout2 Operational Amplifier Current",
565  pm860x_lo2_opamp_enum),
566  SOC_ENUM("Lineout1 Amplifier Current", pm860x_lo1_pa_enum),
567  SOC_ENUM("Lineout2 Amplifier Current", pm860x_lo2_pa_enum),
568  SOC_ENUM("Speaker Operational Amplifier Current",
569  pm860x_spk_ear_opamp_enum),
570  SOC_ENUM("Speaker Amplifier Current", pm860x_spk_pa_enum),
571  SOC_ENUM("Earpiece Amplifier Current", pm860x_ear_pa_enum),
572 };
573 
574 /*
575  * DAPM Controls
576  */
577 
578 /* PCM Switch / PCM Interface */
579 static const struct snd_kcontrol_new pcm_switch_controls =
580  SOC_DAPM_SINGLE("Switch", PM860X_ADC_EN_2, 0, 1, 0);
581 
582 /* AUX1 Switch */
583 static const struct snd_kcontrol_new aux1_switch_controls =
584  SOC_DAPM_SINGLE("Switch", PM860X_ANA_TO_ANA, 4, 1, 0);
585 
586 /* AUX2 Switch */
587 static const struct snd_kcontrol_new aux2_switch_controls =
588  SOC_DAPM_SINGLE("Switch", PM860X_ANA_TO_ANA, 5, 1, 0);
589 
590 /* Left Ex. PA Switch */
591 static const struct snd_kcontrol_new lepa_switch_controls =
592  SOC_DAPM_SINGLE("Switch", PM860X_DAC_EN_2, 2, 1, 0);
593 
594 /* Right Ex. PA Switch */
595 static const struct snd_kcontrol_new repa_switch_controls =
596  SOC_DAPM_SINGLE("Switch", PM860X_DAC_EN_2, 1, 1, 0);
597 
598 /* PCM Mux / Mux7 */
599 static const char *aif1_text[] = {
600  "PCM L", "PCM R",
601 };
602 
603 static const struct soc_enum aif1_enum =
604  SOC_ENUM_SINGLE(PM860X_PCM_IFACE_3, 6, 2, aif1_text);
605 
606 static const struct snd_kcontrol_new aif1_mux =
607  SOC_DAPM_ENUM("PCM Mux", aif1_enum);
608 
609 /* I2S Mux / Mux9 */
610 static const char *i2s_din_text[] = {
611  "DIN", "DIN1",
612 };
613 
614 static const struct soc_enum i2s_din_enum =
615  SOC_ENUM_SINGLE(PM860X_I2S_IFACE_3, 1, 2, i2s_din_text);
616 
617 static const struct snd_kcontrol_new i2s_din_mux =
618  SOC_DAPM_ENUM("I2S DIN Mux", i2s_din_enum);
619 
620 /* I2S Mic Mux / Mux8 */
621 static const char *i2s_mic_text[] = {
622  "Ex PA", "ADC",
623 };
624 
625 static const struct soc_enum i2s_mic_enum =
626  SOC_ENUM_SINGLE(PM860X_I2S_IFACE_3, 4, 2, i2s_mic_text);
627 
628 static const struct snd_kcontrol_new i2s_mic_mux =
629  SOC_DAPM_ENUM("I2S Mic Mux", i2s_mic_enum);
630 
631 /* ADCL Mux / Mux2 */
632 static const char *adcl_text[] = {
633  "ADCR", "ADCL",
634 };
635 
636 static const struct soc_enum adcl_enum =
637  SOC_ENUM_SINGLE(PM860X_PCM_IFACE_3, 4, 2, adcl_text);
638 
639 static const struct snd_kcontrol_new adcl_mux =
640  SOC_DAPM_ENUM("ADC Left Mux", adcl_enum);
641 
642 /* ADCR Mux / Mux3 */
643 static const char *adcr_text[] = {
644  "ADCL", "ADCR",
645 };
646 
647 static const struct soc_enum adcr_enum =
648  SOC_ENUM_SINGLE(PM860X_PCM_IFACE_3, 2, 2, adcr_text);
649 
650 static const struct snd_kcontrol_new adcr_mux =
651  SOC_DAPM_ENUM("ADC Right Mux", adcr_enum);
652 
653 /* ADCR EC Mux / Mux6 */
654 static const char *adcr_ec_text[] = {
655  "ADCR", "EC",
656 };
657 
658 static const struct soc_enum adcr_ec_enum =
659  SOC_ENUM_SINGLE(PM860X_ADC_EN_2, 3, 2, adcr_ec_text);
660 
661 static const struct snd_kcontrol_new adcr_ec_mux =
662  SOC_DAPM_ENUM("ADCR EC Mux", adcr_ec_enum);
663 
664 /* EC Mux / Mux4 */
665 static const char *ec_text[] = {
666  "Left", "Right", "Left + Right",
667 };
668 
669 static const struct soc_enum ec_enum =
670  SOC_ENUM_SINGLE(PM860X_EC_PATH, 1, 3, ec_text);
671 
672 static const struct snd_kcontrol_new ec_mux =
673  SOC_DAPM_ENUM("EC Mux", ec_enum);
674 
675 static const char *dac_text[] = {
676  "No input", "Right", "Left", "No input",
677 };
678 
679 /* DAC Headset 1 Mux / Mux10 */
680 static const struct soc_enum dac_hs1_enum =
681  SOC_ENUM_SINGLE(PM860X_ANA_INPUT_SEL_1, 0, 4, dac_text);
682 
683 static const struct snd_kcontrol_new dac_hs1_mux =
684  SOC_DAPM_ENUM("DAC HS1 Mux", dac_hs1_enum);
685 
686 /* DAC Headset 2 Mux / Mux11 */
687 static const struct soc_enum dac_hs2_enum =
688  SOC_ENUM_SINGLE(PM860X_ANA_INPUT_SEL_1, 2, 4, dac_text);
689 
690 static const struct snd_kcontrol_new dac_hs2_mux =
691  SOC_DAPM_ENUM("DAC HS2 Mux", dac_hs2_enum);
692 
693 /* DAC Lineout 1 Mux / Mux12 */
694 static const struct soc_enum dac_lo1_enum =
695  SOC_ENUM_SINGLE(PM860X_ANA_INPUT_SEL_1, 4, 4, dac_text);
696 
697 static const struct snd_kcontrol_new dac_lo1_mux =
698  SOC_DAPM_ENUM("DAC LO1 Mux", dac_lo1_enum);
699 
700 /* DAC Lineout 2 Mux / Mux13 */
701 static const struct soc_enum dac_lo2_enum =
702  SOC_ENUM_SINGLE(PM860X_ANA_INPUT_SEL_1, 6, 4, dac_text);
703 
704 static const struct snd_kcontrol_new dac_lo2_mux =
705  SOC_DAPM_ENUM("DAC LO2 Mux", dac_lo2_enum);
706 
707 /* DAC Spearker Earphone Mux / Mux14 */
708 static const struct soc_enum dac_spk_ear_enum =
709  SOC_ENUM_SINGLE(PM860X_ANA_INPUT_SEL_2, 0, 4, dac_text);
710 
711 static const struct snd_kcontrol_new dac_spk_ear_mux =
712  SOC_DAPM_ENUM("DAC SP Mux", dac_spk_ear_enum);
713 
714 /* Headset 1 Mux / Mux15 */
715 static const char *in_text[] = {
716  "Digital", "Analog",
717 };
718 
719 static const struct soc_enum hs1_enum =
720  SOC_ENUM_SINGLE(PM860X_ANA_TO_ANA, 0, 2, in_text);
721 
722 static const struct snd_kcontrol_new hs1_mux =
723  SOC_DAPM_ENUM("Headset1 Mux", hs1_enum);
724 
725 /* Headset 2 Mux / Mux16 */
726 static const struct soc_enum hs2_enum =
727  SOC_ENUM_SINGLE(PM860X_ANA_TO_ANA, 1, 2, in_text);
728 
729 static const struct snd_kcontrol_new hs2_mux =
730  SOC_DAPM_ENUM("Headset2 Mux", hs2_enum);
731 
732 /* Lineout 1 Mux / Mux17 */
733 static const struct soc_enum lo1_enum =
734  SOC_ENUM_SINGLE(PM860X_ANA_TO_ANA, 2, 2, in_text);
735 
736 static const struct snd_kcontrol_new lo1_mux =
737  SOC_DAPM_ENUM("Lineout1 Mux", lo1_enum);
738 
739 /* Lineout 2 Mux / Mux18 */
740 static const struct soc_enum lo2_enum =
741  SOC_ENUM_SINGLE(PM860X_ANA_TO_ANA, 3, 2, in_text);
742 
743 static const struct snd_kcontrol_new lo2_mux =
744  SOC_DAPM_ENUM("Lineout2 Mux", lo2_enum);
745 
746 /* Speaker Earpiece Demux */
747 static const char *spk_text[] = {
748  "Earpiece", "Speaker",
749 };
750 
751 static const struct soc_enum spk_enum =
752  SOC_ENUM_SINGLE(PM860X_ANA_TO_ANA, 6, 2, spk_text);
753 
754 static const struct snd_kcontrol_new spk_demux =
755  SOC_DAPM_ENUM("Speaker Earpiece Demux", spk_enum);
756 
757 /* MIC Mux / Mux1 */
758 static const char *mic_text[] = {
759  "Mic 1", "Mic 2",
760 };
761 
762 static const struct soc_enum mic_enum =
763  SOC_ENUM_SINGLE(PM860X_ADC_ANA_4, 4, 2, mic_text);
764 
765 static const struct snd_kcontrol_new mic_mux =
766  SOC_DAPM_ENUM("MIC Mux", mic_enum);
767 
768 static const struct snd_soc_dapm_widget pm860x_dapm_widgets[] = {
769  SND_SOC_DAPM_AIF_IN("PCM SDI", "PCM Playback", 0,
770  PM860X_ADC_EN_2, 0, 0),
771  SND_SOC_DAPM_AIF_OUT("PCM SDO", "PCM Capture", 0,
772  PM860X_PCM_IFACE_3, 1, 1),
773 
774 
775  SND_SOC_DAPM_AIF_IN("I2S DIN", "I2S Playback", 0,
776  SND_SOC_NOPM, 0, 0),
777  SND_SOC_DAPM_AIF_IN("I2S DIN1", "I2S Playback", 0,
778  SND_SOC_NOPM, 0, 0),
779  SND_SOC_DAPM_AIF_OUT("I2S DOUT", "I2S Capture", 0,
780  PM860X_I2S_IFACE_3, 5, 1),
781  SND_SOC_DAPM_SUPPLY("I2S CLK", PM860X_DAC_EN_2, 0, 0, NULL, 0),
782  SND_SOC_DAPM_MUX("I2S Mic Mux", SND_SOC_NOPM, 0, 0, &i2s_mic_mux),
783  SND_SOC_DAPM_MUX("ADC Left Mux", SND_SOC_NOPM, 0, 0, &adcl_mux),
784  SND_SOC_DAPM_MUX("ADC Right Mux", SND_SOC_NOPM, 0, 0, &adcr_mux),
785  SND_SOC_DAPM_MUX("EC Mux", SND_SOC_NOPM, 0, 0, &ec_mux),
786  SND_SOC_DAPM_MUX("ADCR EC Mux", SND_SOC_NOPM, 0, 0, &adcr_ec_mux),
787  SND_SOC_DAPM_SWITCH("Left EPA", SND_SOC_NOPM, 0, 0,
788  &lepa_switch_controls),
789  SND_SOC_DAPM_SWITCH("Right EPA", SND_SOC_NOPM, 0, 0,
790  &repa_switch_controls),
791 
792  SND_SOC_DAPM_REG(snd_soc_dapm_supply, "Left ADC MOD", PM860X_ADC_EN_1,
793  0, 1, 1, 0),
794  SND_SOC_DAPM_REG(snd_soc_dapm_supply, "Right ADC MOD", PM860X_ADC_EN_1,
795  1, 1, 1, 0),
796  SND_SOC_DAPM_ADC("Left ADC", NULL, PM860X_ADC_EN_2, 5, 0),
797  SND_SOC_DAPM_ADC("Right ADC", NULL, PM860X_ADC_EN_2, 4, 0),
798 
799  SND_SOC_DAPM_SWITCH("AUX1 Switch", SND_SOC_NOPM, 0, 0,
800  &aux1_switch_controls),
801  SND_SOC_DAPM_SWITCH("AUX2 Switch", SND_SOC_NOPM, 0, 0,
802  &aux2_switch_controls),
803 
804  SND_SOC_DAPM_MUX("MIC Mux", SND_SOC_NOPM, 0, 0, &mic_mux),
805  SND_SOC_DAPM_MICBIAS("Mic1 Bias", PM860X_ADC_ANA_1, 2, 0),
806  SND_SOC_DAPM_MICBIAS("Mic3 Bias", PM860X_ADC_ANA_1, 7, 0),
807  SND_SOC_DAPM_PGA("MIC1 Volume", PM860X_ADC_EN_1, 2, 0, NULL, 0),
808  SND_SOC_DAPM_PGA("MIC3 Volume", PM860X_ADC_EN_1, 3, 0, NULL, 0),
809  SND_SOC_DAPM_PGA("AUX1 Volume", PM860X_ADC_EN_1, 4, 0, NULL, 0),
810  SND_SOC_DAPM_PGA("AUX2 Volume", PM860X_ADC_EN_1, 5, 0, NULL, 0),
811  SND_SOC_DAPM_PGA("Sidetone PGA", PM860X_ADC_EN_2, 1, 0, NULL, 0),
812  SND_SOC_DAPM_PGA("Lofi PGA", PM860X_ADC_EN_2, 2, 0, NULL, 0),
813 
814  SND_SOC_DAPM_INPUT("AUX1"),
815  SND_SOC_DAPM_INPUT("AUX2"),
816  SND_SOC_DAPM_INPUT("MIC1P"),
817  SND_SOC_DAPM_INPUT("MIC1N"),
818  SND_SOC_DAPM_INPUT("MIC2P"),
819  SND_SOC_DAPM_INPUT("MIC2N"),
820  SND_SOC_DAPM_INPUT("MIC3P"),
821  SND_SOC_DAPM_INPUT("MIC3N"),
822 
823  SND_SOC_DAPM_DAC_E("Left DAC", NULL, SND_SOC_NOPM, 0, 0,
824  pm860x_dac_event,
825  SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_PRE_PMD),
826  SND_SOC_DAPM_DAC_E("Right DAC", NULL, SND_SOC_NOPM, 0, 0,
827  pm860x_dac_event,
828  SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_PRE_PMD),
829 
830  SND_SOC_DAPM_MUX("I2S DIN Mux", SND_SOC_NOPM, 0, 0, &i2s_din_mux),
831  SND_SOC_DAPM_MUX("DAC HS1 Mux", SND_SOC_NOPM, 0, 0, &dac_hs1_mux),
832  SND_SOC_DAPM_MUX("DAC HS2 Mux", SND_SOC_NOPM, 0, 0, &dac_hs2_mux),
833  SND_SOC_DAPM_MUX("DAC LO1 Mux", SND_SOC_NOPM, 0, 0, &dac_lo1_mux),
834  SND_SOC_DAPM_MUX("DAC LO2 Mux", SND_SOC_NOPM, 0, 0, &dac_lo2_mux),
835  SND_SOC_DAPM_MUX("DAC SP Mux", SND_SOC_NOPM, 0, 0, &dac_spk_ear_mux),
836  SND_SOC_DAPM_MUX("Headset1 Mux", SND_SOC_NOPM, 0, 0, &hs1_mux),
837  SND_SOC_DAPM_MUX("Headset2 Mux", SND_SOC_NOPM, 0, 0, &hs2_mux),
838  SND_SOC_DAPM_MUX("Lineout1 Mux", SND_SOC_NOPM, 0, 0, &lo1_mux),
839  SND_SOC_DAPM_MUX("Lineout2 Mux", SND_SOC_NOPM, 0, 0, &lo2_mux),
840  SND_SOC_DAPM_MUX("Speaker Earpiece Demux", SND_SOC_NOPM, 0, 0,
841  &spk_demux),
842 
843 
844  SND_SOC_DAPM_PGA("Headset1 PGA", PM860X_DAC_EN_1, 0, 0, NULL, 0),
845  SND_SOC_DAPM_PGA("Headset2 PGA", PM860X_DAC_EN_1, 1, 0, NULL, 0),
846  SND_SOC_DAPM_OUTPUT("HS1"),
847  SND_SOC_DAPM_OUTPUT("HS2"),
848  SND_SOC_DAPM_PGA("Lineout1 PGA", PM860X_DAC_EN_1, 2, 0, NULL, 0),
849  SND_SOC_DAPM_PGA("Lineout2 PGA", PM860X_DAC_EN_1, 3, 0, NULL, 0),
850  SND_SOC_DAPM_OUTPUT("LINEOUT1"),
851  SND_SOC_DAPM_OUTPUT("LINEOUT2"),
852  SND_SOC_DAPM_PGA("Earpiece PGA", PM860X_DAC_EN_1, 4, 0, NULL, 0),
853  SND_SOC_DAPM_OUTPUT("EARP"),
854  SND_SOC_DAPM_OUTPUT("EARN"),
855  SND_SOC_DAPM_PGA("Speaker PGA", PM860X_DAC_EN_1, 5, 0, NULL, 0),
856  SND_SOC_DAPM_OUTPUT("LSP"),
857  SND_SOC_DAPM_OUTPUT("LSN"),
858  SND_SOC_DAPM_REG(snd_soc_dapm_supply, "VCODEC", PM860X_AUDIO_SUPPLIES_2,
859  0, SUPPLY_MASK, SUPPLY_MASK, 0),
860 
861  PM860X_DAPM_OUTPUT("RSYNC", pm860x_rsync_event),
862 };
863 
864 static const struct snd_soc_dapm_route pm860x_dapm_routes[] = {
865  /* supply */
866  {"Left DAC", NULL, "VCODEC"},
867  {"Right DAC", NULL, "VCODEC"},
868  {"Left ADC", NULL, "VCODEC"},
869  {"Right ADC", NULL, "VCODEC"},
870  {"Left ADC", NULL, "Left ADC MOD"},
871  {"Right ADC", NULL, "Right ADC MOD"},
872 
873  /* I2S Clock */
874  {"I2S DIN", NULL, "I2S CLK"},
875  {"I2S DIN1", NULL, "I2S CLK"},
876  {"I2S DOUT", NULL, "I2S CLK"},
877 
878  /* PCM/AIF1 Inputs */
879  {"PCM SDO", NULL, "ADC Left Mux"},
880  {"PCM SDO", NULL, "ADCR EC Mux"},
881 
882  /* PCM/AFI2 Outputs */
883  {"Lofi PGA", NULL, "PCM SDI"},
884  {"Lofi PGA", NULL, "Sidetone PGA"},
885  {"Left DAC", NULL, "Lofi PGA"},
886  {"Right DAC", NULL, "Lofi PGA"},
887 
888  /* I2S/AIF2 Inputs */
889  {"MIC Mux", "Mic 1", "MIC1P"},
890  {"MIC Mux", "Mic 1", "MIC1N"},
891  {"MIC Mux", "Mic 2", "MIC2P"},
892  {"MIC Mux", "Mic 2", "MIC2N"},
893  {"MIC1 Volume", NULL, "MIC Mux"},
894  {"MIC3 Volume", NULL, "MIC3P"},
895  {"MIC3 Volume", NULL, "MIC3N"},
896  {"Left ADC", NULL, "MIC1 Volume"},
897  {"Right ADC", NULL, "MIC3 Volume"},
898  {"ADC Left Mux", "ADCR", "Right ADC"},
899  {"ADC Left Mux", "ADCL", "Left ADC"},
900  {"ADC Right Mux", "ADCL", "Left ADC"},
901  {"ADC Right Mux", "ADCR", "Right ADC"},
902  {"Left EPA", "Switch", "Left DAC"},
903  {"Right EPA", "Switch", "Right DAC"},
904  {"EC Mux", "Left", "Left DAC"},
905  {"EC Mux", "Right", "Right DAC"},
906  {"EC Mux", "Left + Right", "Left DAC"},
907  {"EC Mux", "Left + Right", "Right DAC"},
908  {"ADCR EC Mux", "ADCR", "ADC Right Mux"},
909  {"ADCR EC Mux", "EC", "EC Mux"},
910  {"I2S Mic Mux", "Ex PA", "Left EPA"},
911  {"I2S Mic Mux", "Ex PA", "Right EPA"},
912  {"I2S Mic Mux", "ADC", "ADC Left Mux"},
913  {"I2S Mic Mux", "ADC", "ADCR EC Mux"},
914  {"I2S DOUT", NULL, "I2S Mic Mux"},
915 
916  /* I2S/AIF2 Outputs */
917  {"I2S DIN Mux", "DIN", "I2S DIN"},
918  {"I2S DIN Mux", "DIN1", "I2S DIN1"},
919  {"Left DAC", NULL, "I2S DIN Mux"},
920  {"Right DAC", NULL, "I2S DIN Mux"},
921  {"DAC HS1 Mux", "Left", "Left DAC"},
922  {"DAC HS1 Mux", "Right", "Right DAC"},
923  {"DAC HS2 Mux", "Left", "Left DAC"},
924  {"DAC HS2 Mux", "Right", "Right DAC"},
925  {"DAC LO1 Mux", "Left", "Left DAC"},
926  {"DAC LO1 Mux", "Right", "Right DAC"},
927  {"DAC LO2 Mux", "Left", "Left DAC"},
928  {"DAC LO2 Mux", "Right", "Right DAC"},
929  {"Headset1 Mux", "Digital", "DAC HS1 Mux"},
930  {"Headset2 Mux", "Digital", "DAC HS2 Mux"},
931  {"Lineout1 Mux", "Digital", "DAC LO1 Mux"},
932  {"Lineout2 Mux", "Digital", "DAC LO2 Mux"},
933  {"Headset1 PGA", NULL, "Headset1 Mux"},
934  {"Headset2 PGA", NULL, "Headset2 Mux"},
935  {"Lineout1 PGA", NULL, "Lineout1 Mux"},
936  {"Lineout2 PGA", NULL, "Lineout2 Mux"},
937  {"DAC SP Mux", "Left", "Left DAC"},
938  {"DAC SP Mux", "Right", "Right DAC"},
939  {"Speaker Earpiece Demux", "Speaker", "DAC SP Mux"},
940  {"Speaker PGA", NULL, "Speaker Earpiece Demux"},
941  {"Earpiece PGA", NULL, "Speaker Earpiece Demux"},
942 
943  {"RSYNC", NULL, "Headset1 PGA"},
944  {"RSYNC", NULL, "Headset2 PGA"},
945  {"RSYNC", NULL, "Lineout1 PGA"},
946  {"RSYNC", NULL, "Lineout2 PGA"},
947  {"RSYNC", NULL, "Speaker PGA"},
948  {"RSYNC", NULL, "Speaker PGA"},
949  {"RSYNC", NULL, "Earpiece PGA"},
950  {"RSYNC", NULL, "Earpiece PGA"},
951 
952  {"HS1", NULL, "RSYNC"},
953  {"HS2", NULL, "RSYNC"},
954  {"LINEOUT1", NULL, "RSYNC"},
955  {"LINEOUT2", NULL, "RSYNC"},
956  {"LSP", NULL, "RSYNC"},
957  {"LSN", NULL, "RSYNC"},
958  {"EARP", NULL, "RSYNC"},
959  {"EARN", NULL, "RSYNC"},
960 };
961 
962 /*
963  * Use MUTE_LEFT & MUTE_RIGHT to implement digital mute.
964  * These bits can also be used to mute.
965  */
966 static int pm860x_digital_mute(struct snd_soc_dai *codec_dai, int mute)
967 {
968  struct snd_soc_codec *codec = codec_dai->codec;
969  int data = 0, mask = MUTE_LEFT | MUTE_RIGHT;
970 
971  if (mute)
972  data = mask;
973  snd_soc_update_bits(codec, PM860X_DAC_OFFSET, mask, data);
974  snd_soc_update_bits(codec, PM860X_EAR_CTRL_2,
975  RSYNC_CHANGE, RSYNC_CHANGE);
976  return 0;
977 }
978 
979 static int pm860x_pcm_hw_params(struct snd_pcm_substream *substream,
980  struct snd_pcm_hw_params *params,
981  struct snd_soc_dai *dai)
982 {
983  struct snd_soc_codec *codec = dai->codec;
984  unsigned char inf = 0, mask = 0;
985 
986  /* bit size */
987  switch (params_format(params)) {
988  case SNDRV_PCM_FORMAT_S16_LE:
989  inf &= ~PCM_INF2_18WL;
990  break;
991  case SNDRV_PCM_FORMAT_S18_3LE:
992  inf |= PCM_INF2_18WL;
993  break;
994  default:
995  return -EINVAL;
996  }
997  mask |= PCM_INF2_18WL;
998  snd_soc_update_bits(codec, PM860X_PCM_IFACE_2, mask, inf);
999 
1000  /* sample rate */
1001  switch (params_rate(params)) {
1002  case 8000:
1003  inf = 0;
1004  break;
1005  case 16000:
1006  inf = 3;
1007  break;
1008  case 32000:
1009  inf = 6;
1010  break;
1011  case 48000:
1012  inf = 8;
1013  break;
1014  default:
1015  return -EINVAL;
1016  }
1017  snd_soc_update_bits(codec, PM860X_PCM_RATE, 0x0f, inf);
1018 
1019  return 0;
1020 }
1021 
1022 static int pm860x_pcm_set_dai_fmt(struct snd_soc_dai *codec_dai,
1023  unsigned int fmt)
1024 {
1025  struct snd_soc_codec *codec = codec_dai->codec;
1026  struct pm860x_priv *pm860x = snd_soc_codec_get_drvdata(codec);
1027  unsigned char inf = 0, mask = 0;
1028  int ret = -EINVAL;
1029 
1030  mask |= PCM_INF2_BCLK | PCM_INF2_FS | PCM_INF2_MASTER;
1031 
1032  /* set master/slave audio interface */
1033  switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
1034  case SND_SOC_DAIFMT_CBM_CFM:
1035  case SND_SOC_DAIFMT_CBM_CFS:
1036  if (pm860x->dir == PM860X_CLK_DIR_OUT) {
1037  inf |= PCM_INF2_MASTER;
1038  ret = 0;
1039  }
1040  break;
1041  case SND_SOC_DAIFMT_CBS_CFS:
1042  if (pm860x->dir == PM860X_CLK_DIR_IN) {
1043  inf &= ~PCM_INF2_MASTER;
1044  ret = 0;
1045  }
1046  break;
1047  }
1048 
1049  switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
1050  case SND_SOC_DAIFMT_I2S:
1051  inf |= PCM_EXACT_I2S;
1052  ret = 0;
1053  break;
1054  }
1055  mask |= PCM_MODE_MASK;
1056  if (ret)
1057  return ret;
1058  snd_soc_update_bits(codec, PM860X_PCM_IFACE_2, mask, inf);
1059  return 0;
1060 }
1061 
1062 static int pm860x_set_dai_sysclk(struct snd_soc_dai *codec_dai,
1063  int clk_id, unsigned int freq, int dir)
1064 {
1065  struct snd_soc_codec *codec = codec_dai->codec;
1066  struct pm860x_priv *pm860x = snd_soc_codec_get_drvdata(codec);
1067 
1068  if (dir == PM860X_CLK_DIR_OUT)
1069  pm860x->dir = PM860X_CLK_DIR_OUT;
1070  else {
1071  pm860x->dir = PM860X_CLK_DIR_IN;
1072  return -EINVAL;
1073  }
1074 
1075  return 0;
1076 }
1077 
1078 static int pm860x_i2s_hw_params(struct snd_pcm_substream *substream,
1079  struct snd_pcm_hw_params *params,
1080  struct snd_soc_dai *dai)
1081 {
1082  struct snd_soc_codec *codec = dai->codec;
1083  unsigned char inf;
1084 
1085  /* bit size */
1086  switch (params_format(params)) {
1087  case SNDRV_PCM_FORMAT_S16_LE:
1088  inf = 0;
1089  break;
1090  case SNDRV_PCM_FORMAT_S18_3LE:
1091  inf = PCM_INF2_18WL;
1092  break;
1093  default:
1094  return -EINVAL;
1095  }
1096  snd_soc_update_bits(codec, PM860X_I2S_IFACE_2, PCM_INF2_18WL, inf);
1097 
1098  /* sample rate */
1099  switch (params_rate(params)) {
1100  case 8000:
1101  inf = 0;
1102  break;
1103  case 11025:
1104  inf = 1;
1105  break;
1106  case 16000:
1107  inf = 3;
1108  break;
1109  case 22050:
1110  inf = 4;
1111  break;
1112  case 32000:
1113  inf = 6;
1114  break;
1115  case 44100:
1116  inf = 7;
1117  break;
1118  case 48000:
1119  inf = 8;
1120  break;
1121  default:
1122  return -EINVAL;
1123  }
1124  snd_soc_update_bits(codec, PM860X_I2S_IFACE_4, 0xf, inf);
1125 
1126  return 0;
1127 }
1128 
1129 static int pm860x_i2s_set_dai_fmt(struct snd_soc_dai *codec_dai,
1130  unsigned int fmt)
1131 {
1132  struct snd_soc_codec *codec = codec_dai->codec;
1133  struct pm860x_priv *pm860x = snd_soc_codec_get_drvdata(codec);
1134  unsigned char inf = 0, mask = 0;
1135 
1136  mask |= PCM_INF2_BCLK | PCM_INF2_FS | PCM_INF2_MASTER;
1137 
1138  /* set master/slave audio interface */
1139  switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
1140  case SND_SOC_DAIFMT_CBM_CFM:
1141  if (pm860x->dir == PM860X_CLK_DIR_OUT)
1142  inf |= PCM_INF2_MASTER;
1143  else
1144  return -EINVAL;
1145  break;
1146  case SND_SOC_DAIFMT_CBS_CFS:
1147  if (pm860x->dir == PM860X_CLK_DIR_IN)
1148  inf &= ~PCM_INF2_MASTER;
1149  else
1150  return -EINVAL;
1151  break;
1152  default:
1153  return -EINVAL;
1154  }
1155 
1156  switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
1157  case SND_SOC_DAIFMT_I2S:
1158  inf |= PCM_EXACT_I2S;
1159  break;
1160  default:
1161  return -EINVAL;
1162  }
1163  mask |= PCM_MODE_MASK;
1164  snd_soc_update_bits(codec, PM860X_I2S_IFACE_2, mask, inf);
1165  return 0;
1166 }
1167 
1168 static int pm860x_set_bias_level(struct snd_soc_codec *codec,
1169  enum snd_soc_bias_level level)
1170 {
1171  int data;
1172 
1173  switch (level) {
1174  case SND_SOC_BIAS_ON:
1175  break;
1176 
1177  case SND_SOC_BIAS_PREPARE:
1178  break;
1179 
1180  case SND_SOC_BIAS_STANDBY:
1181  if (codec->dapm.bias_level == SND_SOC_BIAS_OFF) {
1182  /* Enable Audio PLL & Audio section */
1183  data = AUDIO_PLL | AUDIO_SECTION_ON;
1184  pm860x_reg_write(codec->control_data, REG_MISC2, data);
1185  udelay(300);
1186  data = AUDIO_PLL | AUDIO_SECTION_RESET
1187  | AUDIO_SECTION_ON;
1188  pm860x_reg_write(codec->control_data, REG_MISC2, data);
1189  }
1190  break;
1191 
1192  case SND_SOC_BIAS_OFF:
1193  data = AUDIO_PLL | AUDIO_SECTION_RESET | AUDIO_SECTION_ON;
1194  pm860x_set_bits(codec->control_data, REG_MISC2, data, 0);
1195  break;
1196  }
1197  codec->dapm.bias_level = level;
1198  return 0;
1199 }
1200 
1201 static const struct snd_soc_dai_ops pm860x_pcm_dai_ops = {
1202  .digital_mute = pm860x_digital_mute,
1203  .hw_params = pm860x_pcm_hw_params,
1204  .set_fmt = pm860x_pcm_set_dai_fmt,
1205  .set_sysclk = pm860x_set_dai_sysclk,
1206 };
1207 
1208 static const struct snd_soc_dai_ops pm860x_i2s_dai_ops = {
1209  .digital_mute = pm860x_digital_mute,
1210  .hw_params = pm860x_i2s_hw_params,
1211  .set_fmt = pm860x_i2s_set_dai_fmt,
1212  .set_sysclk = pm860x_set_dai_sysclk,
1213 };
1214 
1215 #define PM860X_RATES (SNDRV_PCM_RATE_8000 | SNDRV_PCM_RATE_16000 | \
1216  SNDRV_PCM_RATE_32000 | SNDRV_PCM_RATE_48000)
1217 
1218 static struct snd_soc_dai_driver pm860x_dai[] = {
1219  {
1220  /* DAI PCM */
1221  .name = "88pm860x-pcm",
1222  .id = 1,
1223  .playback = {
1224  .stream_name = "PCM Playback",
1225  .channels_min = 2,
1226  .channels_max = 2,
1227  .rates = PM860X_RATES,
1228  .formats = SNDRV_PCM_FORMAT_S16_LE | \
1229  SNDRV_PCM_FORMAT_S18_3LE,
1230  },
1231  .capture = {
1232  .stream_name = "PCM Capture",
1233  .channels_min = 2,
1234  .channels_max = 2,
1235  .rates = PM860X_RATES,
1236  .formats = SNDRV_PCM_FORMAT_S16_LE | \
1237  SNDRV_PCM_FORMAT_S18_3LE,
1238  },
1239  .ops = &pm860x_pcm_dai_ops,
1240  }, {
1241  /* DAI I2S */
1242  .name = "88pm860x-i2s",
1243  .id = 2,
1244  .playback = {
1245  .stream_name = "I2S Playback",
1246  .channels_min = 2,
1247  .channels_max = 2,
1248  .rates = SNDRV_PCM_RATE_8000_48000,
1249  .formats = SNDRV_PCM_FORMAT_S16_LE | \
1250  SNDRV_PCM_FORMAT_S18_3LE,
1251  },
1252  .capture = {
1253  .stream_name = "I2S Capture",
1254  .channels_min = 2,
1255  .channels_max = 2,
1256  .rates = SNDRV_PCM_RATE_8000_48000,
1257  .formats = SNDRV_PCM_FORMAT_S16_LE | \
1258  SNDRV_PCM_FORMAT_S18_3LE,
1259  },
1260  .ops = &pm860x_i2s_dai_ops,
1261  },
1262 };
1263 
1264 static irqreturn_t pm860x_codec_handler(int irq, void *data)
1265 {
1266  struct pm860x_priv *pm860x = data;
1267  int status, shrt, report = 0, mic_report = 0;
1268  int mask;
1269 
1270  status = pm860x_reg_read(pm860x->i2c, REG_STATUS_1);
1271  shrt = pm860x_reg_read(pm860x->i2c, REG_SHORTS);
1272  mask = pm860x->det.hs_shrt | pm860x->det.hook_det | pm860x->det.lo_shrt
1273  | pm860x->det.hp_det;
1274 
1275 #ifndef CONFIG_SND_SOC_88PM860X_MODULE
1276  if (status & (HEADSET_STATUS | MIC_STATUS | SHORT_HS1 | SHORT_HS2 |
1277  SHORT_LO1 | SHORT_LO2))
1278  trace_snd_soc_jack_irq(dev_name(pm860x->codec->dev));
1279 #endif
1280 
1281  if ((pm860x->det.hp_det & SND_JACK_HEADPHONE)
1282  && (status & HEADSET_STATUS))
1283  report |= SND_JACK_HEADPHONE;
1284 
1285  if ((pm860x->det.mic_det & SND_JACK_MICROPHONE)
1286  && (status & MIC_STATUS))
1287  mic_report |= SND_JACK_MICROPHONE;
1288 
1289  if (pm860x->det.hs_shrt && (shrt & (SHORT_HS1 | SHORT_HS2)))
1290  report |= pm860x->det.hs_shrt;
1291 
1292  if (pm860x->det.hook_det && (status & HOOK_STATUS))
1293  report |= pm860x->det.hook_det;
1294 
1295  if (pm860x->det.lo_shrt && (shrt & (SHORT_LO1 | SHORT_LO2)))
1296  report |= pm860x->det.lo_shrt;
1297 
1298  if (report)
1299  snd_soc_jack_report(pm860x->det.hp_jack, report, mask);
1300  if (mic_report)
1301  snd_soc_jack_report(pm860x->det.mic_jack, SND_JACK_MICROPHONE,
1302  SND_JACK_MICROPHONE);
1303 
1304  dev_dbg(pm860x->codec->dev, "headphone report:0x%x, mask:%x\n",
1305  report, mask);
1306  dev_dbg(pm860x->codec->dev, "microphone report:0x%x\n", mic_report);
1307  return IRQ_HANDLED;
1308 }
1309 
1310 int pm860x_hs_jack_detect(struct snd_soc_codec *codec,
1311  struct snd_soc_jack *jack,
1312  int det, int hook, int hs_shrt, int lo_shrt)
1313 {
1314  struct pm860x_priv *pm860x = snd_soc_codec_get_drvdata(codec);
1315  int data;
1316 
1317  pm860x->det.hp_jack = jack;
1318  pm860x->det.hp_det = det;
1319  pm860x->det.hook_det = hook;
1320  pm860x->det.hs_shrt = hs_shrt;
1321  pm860x->det.lo_shrt = lo_shrt;
1322 
1323  if (det & SND_JACK_HEADPHONE)
1324  pm860x_set_bits(codec->control_data, REG_HS_DET,
1325  EN_HS_DET, EN_HS_DET);
1326  /* headset short detect */
1327  if (hs_shrt) {
1328  data = CLR_SHORT_HS2 | CLR_SHORT_HS1;
1329  pm860x_set_bits(codec->control_data, REG_SHORTS, data, data);
1330  }
1331  /* Lineout short detect */
1332  if (lo_shrt) {
1333  data = CLR_SHORT_LO2 | CLR_SHORT_LO1;
1334  pm860x_set_bits(codec->control_data, REG_SHORTS, data, data);
1335  }
1336 
1337  /* sync status */
1338  pm860x_codec_handler(0, pm860x);
1339  return 0;
1340 }
1341 EXPORT_SYMBOL_GPL(pm860x_hs_jack_detect);
1342 
1343 int pm860x_mic_jack_detect(struct snd_soc_codec *codec,
1344  struct snd_soc_jack *jack, int det)
1345 {
1346  struct pm860x_priv *pm860x = snd_soc_codec_get_drvdata(codec);
1347 
1348  pm860x->det.mic_jack = jack;
1349  pm860x->det.mic_det = det;
1350 
1351  if (det & SND_JACK_MICROPHONE)
1352  pm860x_set_bits(codec->control_data, REG_MIC_DET,
1353  MICDET_MASK, MICDET_MASK);
1354 
1355  /* sync status */
1356  pm860x_codec_handler(0, pm860x);
1357  return 0;
1358 }
1359 EXPORT_SYMBOL_GPL(pm860x_mic_jack_detect);
1360 
1361 static int pm860x_probe(struct snd_soc_codec *codec)
1362 {
1363  struct pm860x_priv *pm860x = snd_soc_codec_get_drvdata(codec);
1364  int i, ret;
1365 
1366  pm860x->codec = codec;
1367 
1368  codec->control_data = pm860x->i2c;
1369 
1370  for (i = 0; i < 4; i++) {
1371  ret = request_threaded_irq(pm860x->irq[i], NULL,
1372  pm860x_codec_handler, IRQF_ONESHOT,
1373  pm860x->name[i], pm860x);
1374  if (ret < 0) {
1375  dev_err(codec->dev, "Failed to request IRQ!\n");
1376  goto out;
1377  }
1378  }
1379 
1380  pm860x_set_bias_level(codec, SND_SOC_BIAS_STANDBY);
1381 
1382  ret = pm860x_bulk_read(codec->control_data, REG_CACHE_BASE,
1383  REG_CACHE_SIZE, codec->reg_cache);
1384  if (ret < 0) {
1385  dev_err(codec->dev, "Failed to fill register cache: %d\n",
1386  ret);
1387  goto out;
1388  }
1389 
1390  return 0;
1391 
1392 out:
1393  while (--i >= 0)
1394  free_irq(pm860x->irq[i], pm860x);
1395  return ret;
1396 }
1397 
1398 static int pm860x_remove(struct snd_soc_codec *codec)
1399 {
1400  struct pm860x_priv *pm860x = snd_soc_codec_get_drvdata(codec);
1401  int i;
1402 
1403  for (i = 3; i >= 0; i--)
1404  free_irq(pm860x->irq[i], pm860x);
1405  pm860x_set_bias_level(codec, SND_SOC_BIAS_OFF);
1406  return 0;
1407 }
1408 
1409 static struct snd_soc_codec_driver soc_codec_dev_pm860x = {
1410  .probe = pm860x_probe,
1411  .remove = pm860x_remove,
1412  .read = pm860x_read_reg_cache,
1413  .write = pm860x_write_reg_cache,
1414  .reg_cache_size = REG_CACHE_SIZE,
1415  .reg_word_size = sizeof(u8),
1416  .set_bias_level = pm860x_set_bias_level,
1417 
1418  .controls = pm860x_snd_controls,
1419  .num_controls = ARRAY_SIZE(pm860x_snd_controls),
1420  .dapm_widgets = pm860x_dapm_widgets,
1421  .num_dapm_widgets = ARRAY_SIZE(pm860x_dapm_widgets),
1422  .dapm_routes = pm860x_dapm_routes,
1423  .num_dapm_routes = ARRAY_SIZE(pm860x_dapm_routes),
1424 };
1425 
1426 static int __devinit pm860x_codec_probe(struct platform_device *pdev)
1427 {
1428  struct pm860x_chip *chip = dev_get_drvdata(pdev->dev.parent);
1429  struct pm860x_priv *pm860x;
1430  struct resource *res;
1431  int i, ret;
1432 
1433  pm860x = devm_kzalloc(&pdev->dev, sizeof(struct pm860x_priv),
1434  GFP_KERNEL);
1435  if (pm860x == NULL)
1436  return -ENOMEM;
1437 
1438  pm860x->chip = chip;
1439  pm860x->i2c = (chip->id == CHIP_PM8607) ? chip->client
1440  : chip->companion;
1441  platform_set_drvdata(pdev, pm860x);
1442 
1443  for (i = 0; i < 4; i++) {
1444  res = platform_get_resource(pdev, IORESOURCE_IRQ, i);
1445  if (!res) {
1446  dev_err(&pdev->dev, "Failed to get IRQ resources\n");
1447  goto out;
1448  }
1449  pm860x->irq[i] = res->start + chip->irq_base;
1450  strncpy(pm860x->name[i], res->name, MAX_NAME_LEN);
1451  }
1452 
1453  ret = snd_soc_register_codec(&pdev->dev, &soc_codec_dev_pm860x,
1454  pm860x_dai, ARRAY_SIZE(pm860x_dai));
1455  if (ret) {
1456  dev_err(&pdev->dev, "Failed to register codec\n");
1457  goto out;
1458  }
1459  return ret;
1460 
1461 out:
1462  platform_set_drvdata(pdev, NULL);
1463  return -EINVAL;
1464 }
1465 
1466 static int __devexit pm860x_codec_remove(struct platform_device *pdev)
1467 {
1468  snd_soc_unregister_codec(&pdev->dev);
1469  platform_set_drvdata(pdev, NULL);
1470  return 0;
1471 }
1472 
1473 static struct platform_driver pm860x_codec_driver = {
1474  .driver = {
1475  .name = "88pm860x-codec",
1476  .owner = THIS_MODULE,
1477  },
1478  .probe = pm860x_codec_probe,
1479  .remove = __devexit_p(pm860x_codec_remove),
1480 };
1481 
1482 module_platform_driver(pm860x_codec_driver);
1483 
1484 MODULE_DESCRIPTION("ASoC 88PM860x driver");
1485 MODULE_AUTHOR("Haojian Zhuang <[email protected]>");
1486 MODULE_LICENSE("GPL");
1487 MODULE_ALIAS("platform:88pm860x-codec");
1488 
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