GNU Linux-libre 6.9.1-gnu
[releases.git] / sound / soc / codecs / sma1303.c
1 // SPDX-License-Identifier: GPL-2.0-or-later
2 //
3 // sma1303.c -- sma1303 ALSA SoC Audio driver
4 //
5 // Copyright 2023 Iron Device Corporation
6 //
7 // Auther: Gyuhwa Park <gyuhwa.park@irondevice.com>
8 //         Kiseok Jo <kiseok.jo@irondevice.com>
9
10 #include <linux/mod_devicetable.h>
11 #include <linux/module.h>
12 #include <linux/moduleparam.h>
13 #include <linux/kernel.h>
14 #include <linux/init.h>
15 #include <linux/delay.h>
16 #include <linux/pm.h>
17 #include <linux/i2c.h>
18 #include <linux/regmap.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/initval.h>
24 #include <sound/tlv.h>
25 #include <linux/slab.h>
26 #include <asm/div64.h>
27
28 #include "sma1303.h"
29
30 #define CHECK_PERIOD_TIME 1 /* sec per HZ */
31 #define MAX_CONTROL_NAME 48
32
33 #define PLL_MATCH(_input_clk_name, _output_clk_name, _input_clk,\
34                 _post_n, _n, _vco,  _p_cp)\
35 {\
36         .input_clk_name         = _input_clk_name,\
37         .output_clk_name        = _output_clk_name,\
38         .input_clk              = _input_clk,\
39         .post_n                 = _post_n,\
40         .n                      = _n,\
41         .vco                    = _vco,\
42         .p_cp           = _p_cp,\
43 }
44
45 enum sma1303_type {
46         SMA1303,
47 };
48
49 struct sma1303_pll_match {
50         char *input_clk_name;
51         char *output_clk_name;
52         unsigned int input_clk;
53         unsigned int post_n;
54         unsigned int n;
55         unsigned int vco;
56         unsigned int p_cp;
57 };
58
59 struct sma1303_priv {
60         enum sma1303_type devtype;
61         struct attribute_group *attr_grp;
62         struct delayed_work check_fault_work;
63         struct device *dev;
64         struct kobject *kobj;
65         struct regmap *regmap;
66         struct sma1303_pll_match *pll_matches;
67         bool amp_power_status;
68         bool force_mute_status;
69         int num_of_pll_matches;
70         int retry_cnt;
71         unsigned int amp_mode;
72         unsigned int cur_vol;
73         unsigned int format;
74         unsigned int frame_size;
75         unsigned int init_vol;
76         unsigned int last_bclk;
77         unsigned int last_ocp_val;
78         unsigned int last_over_temp;
79         unsigned int rev_num;
80         unsigned int sys_clk_id;
81         unsigned int tdm_slot_rx;
82         unsigned int tdm_slot_tx;
83         unsigned int tsdw_cnt;
84         long check_fault_period;
85         long check_fault_status;
86 };
87
88 static struct sma1303_pll_match sma1303_pll_matches[] = {
89 PLL_MATCH("1.411MHz",  "24.595MHz", 1411200,  0x07, 0xF4, 0x8B, 0x03),
90 PLL_MATCH("1.536MHz",  "24.576MHz", 1536000,  0x07, 0xE0, 0x8B, 0x03),
91 PLL_MATCH("3.072MHz",  "24.576MHz", 3072000,  0x07, 0x70, 0x8B, 0x03),
92 PLL_MATCH("6.144MHz",  "24.576MHz", 6144000,  0x07, 0x70, 0x8B, 0x07),
93 PLL_MATCH("12.288MHz", "24.576MHz", 12288000, 0x07, 0x70, 0x8B, 0x0B),
94 PLL_MATCH("19.2MHz",   "24.343MHz", 19200000, 0x07, 0x47, 0x8B, 0x0A),
95 PLL_MATCH("24.576MHz", "24.576MHz", 24576000, 0x07, 0x70, 0x8B, 0x0F),
96 };
97
98 static int sma1303_startup(struct snd_soc_component *);
99 static int sma1303_shutdown(struct snd_soc_component *);
100
101 static const struct reg_default sma1303_reg_def[] = {
102         { 0x00, 0x80 },
103         { 0x01, 0x00 },
104         { 0x02, 0x00 },
105         { 0x03, 0x11 },
106         { 0x04, 0x17 },
107         { 0x09, 0x00 },
108         { 0x0A, 0x31 },
109         { 0x0B, 0x98 },
110         { 0x0C, 0x84 },
111         { 0x0D, 0x07 },
112         { 0x0E, 0x3F },
113         { 0x10, 0x00 },
114         { 0x11, 0x00 },
115         { 0x12, 0x00 },
116         { 0x14, 0x5C },
117         { 0x15, 0x01 },
118         { 0x16, 0x0F },
119         { 0x17, 0x0F },
120         { 0x18, 0x0F },
121         { 0x19, 0x00 },
122         { 0x1A, 0x00 },
123         { 0x1B, 0x00 },
124         { 0x23, 0x19 },
125         { 0x24, 0x00 },
126         { 0x25, 0x00 },
127         { 0x26, 0x04 },
128         { 0x33, 0x00 },
129         { 0x36, 0x92 },
130         { 0x37, 0x27 },
131         { 0x3B, 0x5A },
132         { 0x3C, 0x20 },
133         { 0x3D, 0x00 },
134         { 0x3E, 0x03 },
135         { 0x3F, 0x0C },
136         { 0x8B, 0x07 },
137         { 0x8C, 0x70 },
138         { 0x8D, 0x8B },
139         { 0x8E, 0x6F },
140         { 0x8F, 0x03 },
141         { 0x90, 0x26 },
142         { 0x91, 0x42 },
143         { 0x92, 0xE0 },
144         { 0x94, 0x35 },
145         { 0x95, 0x0C },
146         { 0x96, 0x42 },
147         { 0x97, 0x95 },
148         { 0xA0, 0x00 },
149         { 0xA1, 0x3B },
150         { 0xA2, 0xC8 },
151         { 0xA3, 0x28 },
152         { 0xA4, 0x40 },
153         { 0xA5, 0x01 },
154         { 0xA6, 0x41 },
155         { 0xA7, 0x00 },
156 };
157
158 static bool sma1303_readable_register(struct device *dev, unsigned int reg)
159 {
160         bool result;
161
162         if (reg > SMA1303_FF_DEVICE_INDEX)
163                 return false;
164
165         switch (reg) {
166         case SMA1303_00_SYSTEM_CTRL ... SMA1303_04_INPUT1_CTRL4:
167         case SMA1303_09_OUTPUT_CTRL ... SMA1303_0E_MUTE_VOL_CTRL:
168         case SMA1303_10_SYSTEM_CTRL1 ... SMA1303_12_SYSTEM_CTRL3:
169         case SMA1303_14_MODULATOR ... SMA1303_1B_BASS_SPK7:
170         case SMA1303_23_COMP_LIM1 ... SMA1303_26_COMP_LIM4:
171         case SMA1303_33_SDM_CTRL ... SMA1303_34_OTP_DATA1:
172         case SMA1303_36_PROTECTION  ... SMA1303_38_OTP_TRM0:
173         case SMA1303_3B_TEST1  ... SMA1303_3F_ATEST2:
174         case SMA1303_8B_PLL_POST_N ... SMA1303_92_FDPEC_CTRL:
175         case SMA1303_94_BOOST_CTRL1 ... SMA1303_97_BOOST_CTRL4:
176         case SMA1303_A0_PAD_CTRL0 ... SMA1303_A7_CLK_MON:
177         case SMA1303_FA_STATUS1 ... SMA1303_FB_STATUS2:
178                 result = true;
179                 break;
180         case SMA1303_FF_DEVICE_INDEX:
181                 result = true;
182                 break;
183         default:
184                 result = false;
185                 break;
186         }
187         return result;
188 }
189
190 static bool sma1303_writeable_register(struct device *dev, unsigned int reg)
191 {
192         bool result;
193
194         if (reg > SMA1303_FF_DEVICE_INDEX)
195                 return false;
196
197         switch (reg) {
198         case SMA1303_00_SYSTEM_CTRL ... SMA1303_04_INPUT1_CTRL4:
199         case SMA1303_09_OUTPUT_CTRL ... SMA1303_0E_MUTE_VOL_CTRL:
200         case SMA1303_10_SYSTEM_CTRL1 ... SMA1303_12_SYSTEM_CTRL3:
201         case SMA1303_14_MODULATOR ... SMA1303_1B_BASS_SPK7:
202         case SMA1303_23_COMP_LIM1 ... SMA1303_26_COMP_LIM4:
203         case SMA1303_33_SDM_CTRL:
204         case SMA1303_36_PROTECTION  ... SMA1303_37_SLOPE_CTRL:
205         case SMA1303_3B_TEST1  ... SMA1303_3F_ATEST2:
206         case SMA1303_8B_PLL_POST_N ... SMA1303_92_FDPEC_CTRL:
207         case SMA1303_94_BOOST_CTRL1 ... SMA1303_97_BOOST_CTRL4:
208         case SMA1303_A0_PAD_CTRL0 ... SMA1303_A7_CLK_MON:
209                 result = true;
210                 break;
211         default:
212                 result = false;
213                 break;
214         }
215         return result;
216 }
217
218 static bool sma1303_volatile_register(struct device *dev, unsigned int reg)
219 {
220         bool result;
221
222         switch (reg) {
223         case SMA1303_FA_STATUS1 ... SMA1303_FB_STATUS2:
224                 result = true;
225                 break;
226         case SMA1303_FF_DEVICE_INDEX:
227                 result = true;
228                 break;
229         default:
230                 result = false;
231                 break;
232         }
233         return result;
234 }
235
236 static const DECLARE_TLV_DB_SCALE(sma1303_spk_tlv, -6000, 50, 0);
237
238 static int sma1303_regmap_write(struct sma1303_priv *sma1303,
239                                 unsigned int reg, unsigned int val)
240 {
241         int ret = 0;
242         int cnt = sma1303->retry_cnt;
243
244         while (cnt--) {
245                 ret = regmap_write(sma1303->regmap, reg, val);
246                 if (ret < 0) {
247                         dev_err(sma1303->dev,
248                                         "Failed to write [0x%02X]\n", reg);
249                 } else
250                         break;
251         }
252         return ret;
253 }
254
255 static int sma1303_regmap_update_bits(struct sma1303_priv *sma1303,
256         unsigned int reg, unsigned int mask, unsigned int val, bool *change)
257 {
258         int ret = 0;
259         int cnt = sma1303->retry_cnt;
260
261         while (cnt--) {
262                 ret = regmap_update_bits_check(sma1303->regmap, reg,
263                                 mask, val, change);
264                 if (ret < 0) {
265                         dev_err(sma1303->dev,
266                                         "Failed to update [0x%02X]\n", reg);
267                 } else
268                         break;
269         }
270         return ret;
271 }
272
273 static int sma1303_regmap_read(struct sma1303_priv *sma1303,
274                         unsigned int reg, unsigned int *val)
275 {
276         int ret = 0;
277         int cnt = sma1303->retry_cnt;
278
279         while (cnt--) {
280                 ret = regmap_read(sma1303->regmap, reg, val);
281                 if (ret < 0) {
282                         dev_err(sma1303->dev,
283                                         "Failed to read [0x%02X]\n", reg);
284                 } else
285                         break;
286         }
287         return ret;
288 }
289
290 static const char * const sma1303_aif_in_source_text[] = {
291         "Mono", "Left", "Right"};
292 static const char * const sma1303_aif_out_source_text[] = {
293         "Disable", "After_FmtC", "After_Mixer", "After_DSP", "After_Post",
294                 "Clk_PLL", "Clk_OSC"};
295 static const char * const sma1303_tdm_slot_text[] = {
296         "Slot0", "Slot1", "Slot2", "Slot3",
297         "Slot4", "Slot5", "Slot6", "Slot7"};
298
299 static const struct soc_enum sma1303_aif_in_source_enum =
300         SOC_ENUM_SINGLE_EXT(ARRAY_SIZE(sma1303_aif_in_source_text),
301                         sma1303_aif_in_source_text);
302 static const struct soc_enum sma1303_aif_out_source_enum =
303         SOC_ENUM_SINGLE_EXT(ARRAY_SIZE(sma1303_aif_out_source_text),
304                         sma1303_aif_out_source_text);
305 static const struct soc_enum sma1303_tdm_slot_enum =
306         SOC_ENUM_SINGLE_EXT(ARRAY_SIZE(sma1303_tdm_slot_text),
307                         sma1303_tdm_slot_text);
308
309 static int sma1303_force_mute_get(struct snd_kcontrol *kcontrol,
310                                 struct snd_ctl_elem_value *ucontrol)
311 {
312         struct snd_soc_component *component =
313                 snd_soc_kcontrol_component(kcontrol);
314         struct sma1303_priv *sma1303 = snd_soc_component_get_drvdata(component);
315
316         ucontrol->value.integer.value[0] = (int)sma1303->force_mute_status;
317         dev_dbg(sma1303->dev, "%s : Force Mute %s\n", __func__,
318                         sma1303->force_mute_status ? "ON" : "OFF");
319
320         return 0;
321 }
322
323 static int sma1303_force_mute_put(struct snd_kcontrol *kcontrol,
324                                 struct snd_ctl_elem_value *ucontrol)
325 {
326         struct snd_soc_component *component =
327                 snd_soc_kcontrol_component(kcontrol);
328         struct sma1303_priv *sma1303 = snd_soc_component_get_drvdata(component);
329         bool change = false, val = (bool)ucontrol->value.integer.value[0];
330
331         if (sma1303->force_mute_status == val)
332                 change = false;
333         else {
334                 change = true;
335                 sma1303->force_mute_status = val;
336         }
337         dev_dbg(sma1303->dev, "%s : Force Mute %s\n", __func__,
338                         sma1303->force_mute_status ? "ON" : "OFF");
339
340         return change;
341 }
342
343 static int sma1303_postscaler_get(struct snd_kcontrol *kcontrol,
344                                 struct snd_ctl_elem_value *ucontrol)
345 {
346         struct snd_soc_component *component =
347                 snd_soc_kcontrol_component(kcontrol);
348         struct sma1303_priv *sma1303 = snd_soc_component_get_drvdata(component);
349         int val, ret;
350
351         ret = sma1303_regmap_read(sma1303, SMA1303_90_POSTSCALER, &val);
352         if (ret < 0)
353                 return -EINVAL;
354
355         ucontrol->value.integer.value[0] = (val & 0x7E) >> 1;
356
357         return 0;
358 }
359
360 static int sma1303_postscaler_put(struct snd_kcontrol *kcontrol,
361                                 struct snd_ctl_elem_value *ucontrol)
362 {
363         struct snd_soc_component *component =
364                 snd_soc_kcontrol_component(kcontrol);
365         struct sma1303_priv *sma1303 = snd_soc_component_get_drvdata(component);
366         int ret, val = (int)ucontrol->value.integer.value[0];
367         bool change;
368
369         ret = sma1303_regmap_update_bits(sma1303,
370                         SMA1303_90_POSTSCALER, 0x7E, (val << 1), &change);
371         if (ret < 0)
372                 return -EINVAL;
373
374         return change;
375 }
376
377 static int sma1303_tdm_slot_rx_get(struct snd_kcontrol *kcontrol,
378                                 struct snd_ctl_elem_value *ucontrol)
379 {
380         struct snd_soc_component *component =
381                 snd_soc_kcontrol_component(kcontrol);
382         struct sma1303_priv *sma1303 = snd_soc_component_get_drvdata(component);
383         int val, ret;
384
385         ret = sma1303_regmap_read(sma1303, SMA1303_A5_TDM1, &val);
386         if (ret < 0)
387                 return -EINVAL;
388
389         ucontrol->value.integer.value[0] = (val & 0x38) >> 3;
390         sma1303->tdm_slot_rx = ucontrol->value.integer.value[0];
391
392         return 0;
393 }
394
395 static int sma1303_tdm_slot_rx_put(struct snd_kcontrol *kcontrol,
396                                 struct snd_ctl_elem_value *ucontrol)
397 {
398         struct snd_soc_component *component =
399                 snd_soc_kcontrol_component(kcontrol);
400         struct sma1303_priv *sma1303 = snd_soc_component_get_drvdata(component);
401         int ret, val = (int)ucontrol->value.integer.value[0];
402         bool change;
403
404         ret = sma1303_regmap_update_bits(sma1303,
405                         SMA1303_A5_TDM1, 0x38, (val << 3), &change);
406         if (ret < 0)
407                 return -EINVAL;
408
409         return change;
410 }
411
412 static int sma1303_tdm_slot_tx_get(struct snd_kcontrol *kcontrol,
413                                 struct snd_ctl_elem_value *ucontrol)
414 {
415         struct snd_soc_component *component =
416                 snd_soc_kcontrol_component(kcontrol);
417         struct sma1303_priv *sma1303 = snd_soc_component_get_drvdata(component);
418         int val, ret;
419
420         ret = sma1303_regmap_read(sma1303, SMA1303_A6_TDM2, &val);
421         if (ret < 0)
422                 return -EINVAL;
423
424         ucontrol->value.integer.value[0] = (val & 0x38) >> 3;
425         sma1303->tdm_slot_tx = ucontrol->value.integer.value[0];
426
427         return 0;
428 }
429
430 static int sma1303_tdm_slot_tx_put(struct snd_kcontrol *kcontrol,
431                                 struct snd_ctl_elem_value *ucontrol)
432 {
433         struct snd_soc_component *component =
434                 snd_soc_kcontrol_component(kcontrol);
435         struct sma1303_priv *sma1303 = snd_soc_component_get_drvdata(component);
436         int ret, val = (int)ucontrol->value.integer.value[0];
437         bool change;
438
439         ret = sma1303_regmap_update_bits(sma1303,
440                         SMA1303_A6_TDM2, 0x38, (val << 3), &change);
441         if (ret < 0)
442                 return -EINVAL;
443
444         return change;
445 }
446
447 static int sma1303_startup(struct snd_soc_component *component)
448 {
449         struct sma1303_priv *sma1303 = snd_soc_component_get_drvdata(component);
450         bool change = false, temp = false;
451
452         sma1303_regmap_update_bits(sma1303, SMA1303_8E_PLL_CTRL,
453                         SMA1303_PLL_PD2_MASK, SMA1303_PLL_OPERATION2, &temp);
454         if (temp == true)
455                 change = true;
456
457         sma1303_regmap_update_bits(sma1303, SMA1303_00_SYSTEM_CTRL,
458                         SMA1303_POWER_MASK, SMA1303_POWER_ON, &temp);
459         if (temp == true)
460                 change = true;
461
462         if (sma1303->amp_mode == SMA1303_MONO) {
463                 sma1303_regmap_update_bits(sma1303,
464                                 SMA1303_10_SYSTEM_CTRL1,
465                                 SMA1303_SPK_MODE_MASK,
466                                 SMA1303_SPK_MONO,
467                                 &temp);
468                 if (temp == true)
469                         change = true;
470
471         } else {
472                 sma1303_regmap_update_bits(sma1303,
473                                 SMA1303_10_SYSTEM_CTRL1,
474                                 SMA1303_SPK_MODE_MASK,
475                                 SMA1303_SPK_STEREO,
476                                 &temp);
477                 if (temp == true)
478                         change = true;
479         }
480
481         if (sma1303->check_fault_status) {
482                 if (sma1303->check_fault_period > 0)
483                         queue_delayed_work(system_freezable_wq,
484                                 &sma1303->check_fault_work,
485                                         sma1303->check_fault_period * HZ);
486                 else
487                         queue_delayed_work(system_freezable_wq,
488                                 &sma1303->check_fault_work,
489                                         CHECK_PERIOD_TIME * HZ);
490         }
491
492         sma1303->amp_power_status = true;
493
494         return change;
495 }
496
497 static int sma1303_shutdown(struct snd_soc_component *component)
498 {
499         struct sma1303_priv *sma1303 = snd_soc_component_get_drvdata(component);
500         bool change = false, temp = false;
501
502         cancel_delayed_work_sync(&sma1303->check_fault_work);
503
504         sma1303_regmap_update_bits(sma1303, SMA1303_10_SYSTEM_CTRL1,
505                         SMA1303_SPK_MODE_MASK, SMA1303_SPK_OFF, &temp);
506         if (temp == true)
507                 change = true;
508
509         sma1303_regmap_update_bits(sma1303, SMA1303_00_SYSTEM_CTRL,
510                         SMA1303_POWER_MASK, SMA1303_POWER_OFF, &temp);
511         if (temp == true)
512                 change = true;
513         sma1303_regmap_update_bits(sma1303, SMA1303_8E_PLL_CTRL,
514                         SMA1303_PLL_PD2_MASK, SMA1303_PLL_PD2, &temp);
515         if (temp == true)
516                 change = true;
517
518         sma1303->amp_power_status = false;
519
520         return change;
521 }
522
523 static int sma1303_aif_in_event(struct snd_soc_dapm_widget *w,
524                         struct snd_kcontrol *kcontrol, int event)
525 {
526         struct snd_soc_component *component =
527                         snd_soc_dapm_to_component(w->dapm);
528         struct sma1303_priv *sma1303 = snd_soc_component_get_drvdata(component);
529         unsigned int mux = dapm_kcontrol_get_value(w->kcontrols[0]);
530         int ret = 0;
531         bool change = false, temp = false;
532
533         switch (event) {
534         case SND_SOC_DAPM_PRE_PMU:
535                 switch (mux) {
536                 case 0:
537                         ret += sma1303_regmap_update_bits(sma1303,
538                                         SMA1303_11_SYSTEM_CTRL2,
539                                         SMA1303_MONOMIX_MASK,
540                                         SMA1303_MONOMIX_ON,
541                                         &change);
542                         sma1303->amp_mode = SMA1303_MONO;
543                         break;
544                 case 1:
545                         ret += sma1303_regmap_update_bits(sma1303,
546                                         SMA1303_11_SYSTEM_CTRL2,
547                                         SMA1303_MONOMIX_MASK,
548                                         SMA1303_MONOMIX_OFF,
549                                         &temp);
550                         if (temp == true)
551                                 change = true;
552                         ret += sma1303_regmap_update_bits(sma1303,
553                                         SMA1303_11_SYSTEM_CTRL2,
554                                         SMA1303_LR_DATA_SW_MASK,
555                                         SMA1303_LR_DATA_SW_NORMAL,
556                                         &temp);
557                         if (temp == true)
558                                 change = true;
559                         sma1303->amp_mode = SMA1303_STEREO;
560                         break;
561                 case 2:
562                         ret += sma1303_regmap_update_bits(sma1303,
563                                         SMA1303_11_SYSTEM_CTRL2,
564                                         SMA1303_MONOMIX_MASK,
565                                         SMA1303_MONOMIX_OFF,
566                                         &temp);
567                         if (temp == true)
568                                 change = true;
569                         ret += sma1303_regmap_update_bits(sma1303,
570                                         SMA1303_11_SYSTEM_CTRL2,
571                                         SMA1303_LR_DATA_SW_MASK,
572                                         SMA1303_LR_DATA_SW_SWAP,
573                                         &temp);
574                         if (temp == true)
575                                 change = true;
576                         sma1303->amp_mode = SMA1303_STEREO;
577                         break;
578                 default:
579                         dev_err(sma1303->dev, "%s : Invalid value (%d)\n",
580                                                                 __func__, mux);
581                         return -EINVAL;
582                 }
583
584                 dev_dbg(sma1303->dev, "%s : Source : %s\n", __func__,
585                                         sma1303_aif_in_source_text[mux]);
586                 break;
587         }
588         if (ret < 0)
589                 return -EINVAL;
590         return change;
591 }
592
593 static int sma1303_aif_out_event(struct snd_soc_dapm_widget *w,
594                         struct snd_kcontrol *kcontrol, int event)
595 {
596         struct snd_soc_component *component =
597                         snd_soc_dapm_to_component(w->dapm);
598         struct sma1303_priv *sma1303 = snd_soc_component_get_drvdata(component);
599         unsigned int mux = dapm_kcontrol_get_value(w->kcontrols[0]);
600         int ret = 0;
601         bool change = false, temp = false;
602
603         switch (event) {
604         case SND_SOC_DAPM_PRE_PMU:
605                 switch (mux) {
606                 case 0:
607                         ret += sma1303_regmap_update_bits(sma1303,
608                                         SMA1303_A3_TOP_MAN2,
609                                         SMA1303_TEST_CLKO_EN_MASK,
610                                         SMA1303_NORMAL_SDO,
611                                         &temp);
612                         if (temp == true)
613                                 change = true;
614                         ret += sma1303_regmap_update_bits(sma1303,
615                                         SMA1303_09_OUTPUT_CTRL,
616                                         SMA1303_PORT_OUT_SEL_MASK,
617                                         SMA1303_OUT_SEL_DISABLE,
618                                         &temp);
619                         if (temp == true)
620                                 change = true;
621                         break;
622                 case 1:
623                         ret += sma1303_regmap_update_bits(sma1303,
624                                         SMA1303_A3_TOP_MAN2,
625                                         SMA1303_TEST_CLKO_EN_MASK,
626                                         SMA1303_NORMAL_SDO,
627                                         &temp);
628                         if (temp == true)
629                                 change = true;
630                         ret += sma1303_regmap_update_bits(sma1303,
631                                         SMA1303_09_OUTPUT_CTRL,
632                                         SMA1303_PORT_OUT_SEL_MASK,
633                                         SMA1303_FORMAT_CONVERTER,
634                                         &temp);
635                         if (temp == true)
636                                 change = true;
637                         break;
638                 case 2:
639                         ret += sma1303_regmap_update_bits(sma1303,
640                                         SMA1303_A3_TOP_MAN2,
641                                         SMA1303_TEST_CLKO_EN_MASK,
642                                         SMA1303_NORMAL_SDO,
643                                         &temp);
644                         if (temp == true)
645                                 change = true;
646                         ret += sma1303_regmap_update_bits(sma1303,
647                                         SMA1303_09_OUTPUT_CTRL,
648                                         SMA1303_PORT_OUT_SEL_MASK,
649                                         SMA1303_MIXER_OUTPUT,
650                                         &temp);
651                         if (temp == true)
652                                 change = true;
653                         break;
654                 case 3:
655                         ret += sma1303_regmap_update_bits(sma1303,
656                                         SMA1303_A3_TOP_MAN2,
657                                         SMA1303_TEST_CLKO_EN_MASK,
658                                         SMA1303_NORMAL_SDO,
659                                         &temp);
660                         if (temp == true)
661                                 change = true;
662                         ret += sma1303_regmap_update_bits(sma1303,
663                                         SMA1303_09_OUTPUT_CTRL,
664                                         SMA1303_PORT_OUT_SEL_MASK,
665                                         SMA1303_SPEAKER_PATH,
666                                         &temp);
667                         if (temp == true)
668                                 change = true;
669                         break;
670                 case 4:
671                         ret += sma1303_regmap_update_bits(sma1303,
672                                         SMA1303_A3_TOP_MAN2,
673                                         SMA1303_TEST_CLKO_EN_MASK,
674                                         SMA1303_NORMAL_SDO,
675                                         &temp);
676                         if (temp == true)
677                                 change = true;
678                         ret += sma1303_regmap_update_bits(sma1303,
679                                         SMA1303_09_OUTPUT_CTRL,
680                                         SMA1303_PORT_OUT_SEL_MASK,
681                                         SMA1303_POSTSCALER_OUTPUT,
682                                         &temp);
683                         if (temp == true)
684                                 change = true;
685                         break;
686                 case 5:
687                         ret += sma1303_regmap_update_bits(sma1303,
688                                         SMA1303_A3_TOP_MAN2,
689                                         SMA1303_TEST_CLKO_EN_MASK,
690                                         SMA1303_CLK_OUT_SDO,
691                                         &temp);
692                         if (temp == true)
693                                 change = true;
694                         ret += sma1303_regmap_update_bits(sma1303,
695                                         SMA1303_A3_TOP_MAN2,
696                                         SMA1303_MON_OSC_PLL_MASK,
697                                         SMA1303_PLL_SDO,
698                                         &temp);
699                         if (temp == true)
700                                 change = true;
701                         break;
702                 case 6:
703                         ret += sma1303_regmap_update_bits(sma1303,
704                                         SMA1303_A3_TOP_MAN2,
705                                         SMA1303_TEST_CLKO_EN_MASK,
706                                         SMA1303_CLK_OUT_SDO,
707                                         &temp);
708                         if (temp == true)
709                                 change = true;
710                         ret += sma1303_regmap_update_bits(sma1303,
711                                         SMA1303_A3_TOP_MAN2,
712                                         SMA1303_MON_OSC_PLL_MASK,
713                                         SMA1303_OSC_SDO,
714                                         &temp);
715                         if (temp == true)
716                                 change = true;
717                         break;
718                 default:
719                         dev_err(sma1303->dev, "%s : Invalid value (%d)\n",
720                                                                 __func__, mux);
721                         return -EINVAL;
722                 }
723
724                 dev_dbg(sma1303->dev, "%s : Source : %s\n", __func__,
725                                         sma1303_aif_out_source_text[mux]);
726                 break;
727         }
728         if (ret < 0)
729                 return -EINVAL;
730         return change;
731 }
732
733 static int sma1303_sdo_event(struct snd_soc_dapm_widget *w,
734                 struct snd_kcontrol *kcontrol, int event)
735 {
736         struct snd_soc_component *component =
737                 snd_soc_dapm_to_component(w->dapm);
738         struct sma1303_priv *sma1303 = snd_soc_component_get_drvdata(component);
739         int ret = 0;
740         bool change = false, temp = false;
741
742         switch (event) {
743         case SND_SOC_DAPM_PRE_PMU:
744                 dev_dbg(sma1303->dev,
745                         "%s : SND_SOC_DAPM_PRE_PMU\n", __func__);
746                 ret += sma1303_regmap_update_bits(sma1303,
747                                 SMA1303_09_OUTPUT_CTRL,
748                                 SMA1303_PORT_CONFIG_MASK,
749                                 SMA1303_OUTPUT_PORT_ENABLE,
750                                 &temp);
751                 if (temp == true)
752                         change = true;
753                 ret += sma1303_regmap_update_bits(sma1303,
754                                 SMA1303_A3_TOP_MAN2,
755                                 SMA1303_SDO_OUTPUT_MASK,
756                                 SMA1303_NORMAL_OUT,
757                                 &temp);
758                 if (temp == true)
759                         change = true;
760                 break;
761         case SND_SOC_DAPM_POST_PMD:
762                 dev_dbg(sma1303->dev,
763                         "%s : SND_SOC_DAPM_POST_PMD\n", __func__);
764                 ret += sma1303_regmap_update_bits(sma1303,
765                                 SMA1303_09_OUTPUT_CTRL,
766                                 SMA1303_PORT_CONFIG_MASK,
767                                 SMA1303_INPUT_PORT_ONLY,
768                                 &temp);
769                 if (temp == true)
770                         change = true;
771                 ret += sma1303_regmap_update_bits(sma1303,
772                                 SMA1303_A3_TOP_MAN2,
773                                 SMA1303_SDO_OUTPUT_MASK,
774                                 SMA1303_HIGH_Z_OUT,
775                                 &temp);
776                 if (temp == true)
777                         change = true;
778                 break;
779         }
780         if (ret < 0)
781                 return -EINVAL;
782         return change;
783 }
784
785 static int sma1303_post_scaler_event(struct snd_soc_dapm_widget *w,
786                 struct snd_kcontrol *kcontrol, int event)
787 {
788         struct snd_soc_component *component =
789                 snd_soc_dapm_to_component(w->dapm);
790         struct sma1303_priv *sma1303 = snd_soc_component_get_drvdata(component);
791         int ret = 0;
792         bool change = false;
793
794         switch (event) {
795         case SND_SOC_DAPM_PRE_PMU:
796                 dev_dbg(sma1303->dev,
797                                 "%s : SND_SOC_DAPM_PRE_PMU\n", __func__);
798                 ret += sma1303_regmap_update_bits(sma1303,
799                                 SMA1303_90_POSTSCALER,
800                                 SMA1303_BYP_POST_MASK,
801                                 SMA1303_EN_POST_SCALER,
802                                 &change);
803                 break;
804         case SND_SOC_DAPM_POST_PMD:
805                 dev_dbg(sma1303->dev,
806                                 "%s : SND_SOC_DAPM_POST_PMD\n", __func__);
807                 ret += sma1303_regmap_update_bits(sma1303,
808                                 SMA1303_90_POSTSCALER,
809                                 SMA1303_BYP_POST_MASK,
810                                 SMA1303_BYP_POST_SCALER,
811                                 &change);
812                 break;
813         }
814         if (ret < 0)
815                 return -EINVAL;
816         return change;
817 }
818
819 static int sma1303_power_event(struct snd_soc_dapm_widget *w,
820                 struct snd_kcontrol *kcontrol, int event)
821 {
822         struct snd_soc_component *component =
823                 snd_soc_dapm_to_component(w->dapm);
824         struct sma1303_priv *sma1303 = snd_soc_component_get_drvdata(component);
825         int ret = 0;
826
827         switch (event) {
828         case SND_SOC_DAPM_POST_PMU:
829                 dev_dbg(sma1303->dev,
830                         "%s : SND_SOC_DAPM_POST_PMU\n", __func__);
831                 ret = sma1303_startup(component);
832                 break;
833         case SND_SOC_DAPM_PRE_PMD:
834                 dev_dbg(sma1303->dev,
835                         "%s : SND_SOC_DAPM_PRE_PMD\n", __func__);
836                 ret = sma1303_shutdown(component);
837                 break;
838         }
839         return ret;
840 }
841
842 static const struct snd_kcontrol_new sma1303_aif_in_source_control =
843         SOC_DAPM_ENUM("AIF IN Source", sma1303_aif_in_source_enum);
844 static const struct snd_kcontrol_new sma1303_aif_out_source_control =
845         SOC_DAPM_ENUM("AIF OUT Source", sma1303_aif_out_source_enum);
846 static const struct snd_kcontrol_new sma1303_sdo_control =
847         SOC_DAPM_SINGLE_VIRT("Switch", 1);
848 static const struct snd_kcontrol_new sma1303_post_scaler_control =
849         SOC_DAPM_SINGLE_VIRT("Switch", 1);
850 static const struct snd_kcontrol_new sma1303_enable_control =
851         SOC_DAPM_SINGLE_VIRT("Switch", 1);
852
853 static const struct snd_kcontrol_new sma1303_snd_controls[] = {
854         SOC_SINGLE_TLV("Speaker Volume", SMA1303_0A_SPK_VOL,
855                 0, 167, 1, sma1303_spk_tlv),
856         SOC_SINGLE_BOOL_EXT("Force Mute Switch", 0,
857                 sma1303_force_mute_get, sma1303_force_mute_put),
858         SOC_SINGLE_EXT("Postscaler Gain", SMA1303_90_POSTSCALER, 1, 0x30, 0,
859                 sma1303_postscaler_get, sma1303_postscaler_put),
860         SOC_ENUM_EXT("TDM RX Slot Position", sma1303_tdm_slot_enum,
861                         sma1303_tdm_slot_rx_get, sma1303_tdm_slot_rx_put),
862         SOC_ENUM_EXT("TDM TX Slot Position", sma1303_tdm_slot_enum,
863                         sma1303_tdm_slot_tx_get, sma1303_tdm_slot_tx_put),
864 };
865
866 static const struct snd_soc_dapm_widget sma1303_dapm_widgets[] = {
867         /* platform domain */
868         SND_SOC_DAPM_OUTPUT("SPK"),
869         SND_SOC_DAPM_INPUT("SDO"),
870
871         /* path domain */
872         SND_SOC_DAPM_MUX_E("AIF IN Source", SND_SOC_NOPM, 0, 0,
873                         &sma1303_aif_in_source_control,
874                         sma1303_aif_in_event,
875                         SND_SOC_DAPM_PRE_PMU),
876         SND_SOC_DAPM_MUX_E("AIF OUT Source", SND_SOC_NOPM, 0, 0,
877                         &sma1303_aif_out_source_control,
878                         sma1303_aif_out_event,
879                         SND_SOC_DAPM_PRE_PMU),
880         SND_SOC_DAPM_SWITCH_E("SDO Enable", SND_SOC_NOPM, 0, 0,
881                         &sma1303_sdo_control,
882                         sma1303_sdo_event,
883                         SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD),
884         SND_SOC_DAPM_MIXER("Entry", SND_SOC_NOPM, 0, 0, NULL, 0),
885         SND_SOC_DAPM_SWITCH_E("Post Scaler", SND_SOC_NOPM, 0, 1,
886                         &sma1303_post_scaler_control,
887                         sma1303_post_scaler_event,
888                         SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD),
889         SND_SOC_DAPM_OUT_DRV_E("AMP Power", SND_SOC_NOPM, 0, 0, NULL, 0,
890                         sma1303_power_event,
891                         SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD),
892         SND_SOC_DAPM_SWITCH("AMP Enable", SND_SOC_NOPM, 0, 1,
893                         &sma1303_enable_control),
894
895         /* stream domain */
896         SND_SOC_DAPM_AIF_IN("AIF IN", "Playback", 0, SND_SOC_NOPM, 0, 0),
897         SND_SOC_DAPM_AIF_OUT("AIF OUT", "Capture", 0, SND_SOC_NOPM, 0, 0),
898 };
899
900 static const struct snd_soc_dapm_route sma1303_audio_map[] = {
901         /* Playback */
902         {"AIF IN Source", "Mono", "AIF IN"},
903         {"AIF IN Source", "Left", "AIF IN"},
904         {"AIF IN Source", "Right", "AIF IN"},
905
906         {"SDO Enable", "Switch", "AIF IN"},
907         {"AIF OUT Source", "Disable", "SDO Enable"},
908         {"AIF OUT Source", "After_FmtC", "SDO Enable"},
909         {"AIF OUT Source", "After_Mixer", "SDO Enable"},
910         {"AIF OUT Source", "After_DSP", "SDO Enable"},
911         {"AIF OUT Source", "After_Post", "SDO Enable"},
912         {"AIF OUT Source", "Clk_PLL", "SDO Enable"},
913         {"AIF OUT Source", "Clk_OSC", "SDO Enable"},
914
915         {"Entry", NULL, "AIF OUT Source"},
916         {"Entry", NULL, "AIF IN Source"},
917
918         {"Post Scaler", "Switch", "Entry"},
919         {"AMP Power", NULL, "Entry"},
920         {"AMP Power", NULL, "Entry"},
921
922         {"AMP Enable", "Switch", "AMP Power"},
923         {"SPK", NULL, "AMP Enable"},
924
925         /* Capture */
926         {"AIF OUT", NULL, "AMP Enable"},
927 };
928
929 static int sma1303_setup_pll(struct snd_soc_component *component,
930                 unsigned int bclk)
931 {
932         struct sma1303_priv *sma1303 = snd_soc_component_get_drvdata(component);
933
934         int i = 0, ret = 0;
935
936         dev_dbg(component->dev, "%s : BCLK = %dHz\n",
937                 __func__, bclk);
938
939         if (sma1303->sys_clk_id == SMA1303_PLL_CLKIN_MCLK) {
940                 dev_dbg(component->dev, "%s : MCLK is not supported\n",
941                 __func__);
942         } else if (sma1303->sys_clk_id == SMA1303_PLL_CLKIN_BCLK) {
943                 for (i = 0; i < sma1303->num_of_pll_matches; i++) {
944                         if (sma1303->pll_matches[i].input_clk == bclk)
945                                 break;
946                 }
947                 if (i == sma1303->num_of_pll_matches) {
948                         dev_dbg(component->dev, "%s : No matching value between pll table and SCK\n",
949                                         __func__);
950                         return -EINVAL;
951                 }
952
953                 ret += sma1303_regmap_update_bits(sma1303,
954                                 SMA1303_A2_TOP_MAN1,
955                                 SMA1303_PLL_PD_MASK|SMA1303_PLL_REF_CLK_MASK,
956                                 SMA1303_PLL_OPERATION|SMA1303_PLL_SCK,
957                                 NULL);
958         }
959
960         ret += sma1303_regmap_write(sma1303,
961                         SMA1303_8B_PLL_POST_N,
962                         sma1303->pll_matches[i].post_n);
963
964         ret += sma1303_regmap_write(sma1303,
965                         SMA1303_8C_PLL_N,
966                         sma1303->pll_matches[i].n);
967
968         ret += sma1303_regmap_write(sma1303,
969                         SMA1303_8D_PLL_A_SETTING,
970                         sma1303->pll_matches[i].vco);
971
972         ret += sma1303_regmap_write(sma1303,
973                         SMA1303_8F_PLL_P_CP,
974                         sma1303->pll_matches[i].p_cp);
975         if (ret < 0)
976                 return -EINVAL;
977
978         return 0;
979 }
980
981 static int sma1303_dai_hw_params_amp(struct snd_pcm_substream *substream,
982                 struct snd_pcm_hw_params *params, struct snd_soc_dai *dai)
983 {
984         struct snd_soc_component *component = dai->component;
985         struct sma1303_priv *sma1303 = snd_soc_component_get_drvdata(component);
986         unsigned int bclk = 0;
987         int ret = 0;
988
989         if (sma1303->format == SND_SOC_DAIFMT_DSP_A)
990                 bclk = params_rate(params) * sma1303->frame_size;
991         else
992                 bclk = params_rate(params) * params_physical_width(params)
993                         * params_channels(params);
994
995         dev_dbg(component->dev,
996                         "%s : rate = %d : bit size = %d : channel = %d\n",
997                         __func__, params_rate(params), params_width(params),
998                         params_channels(params));
999
1000         if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
1001                 if (sma1303->sys_clk_id == SMA1303_PLL_CLKIN_BCLK) {
1002                         if (sma1303->last_bclk != bclk) {
1003                                 sma1303_setup_pll(component, bclk);
1004                                 sma1303->last_bclk = bclk;
1005                         }
1006                 }
1007
1008                 switch (params_rate(params)) {
1009                 case 8000:
1010                 case 12000:
1011                 case 16000:
1012                 case 24000:
1013                 case 32000:
1014                 case 44100:
1015                 case 48000:
1016                 case 96000:
1017                         ret += sma1303_regmap_update_bits(sma1303,
1018                                         SMA1303_A2_TOP_MAN1,
1019                                         SMA1303_DAC_DN_CONV_MASK,
1020                                         SMA1303_DAC_DN_CONV_DISABLE,
1021                                         NULL);
1022
1023                         ret += sma1303_regmap_update_bits(sma1303,
1024                                         SMA1303_01_INPUT1_CTRL1,
1025                                         SMA1303_LEFTPOL_MASK,
1026                                         SMA1303_LOW_FIRST_CH,
1027                                         NULL);
1028                         break;
1029
1030                 case 192000:
1031                         ret += sma1303_regmap_update_bits(sma1303,
1032                                         SMA1303_A2_TOP_MAN1,
1033                                         SMA1303_DAC_DN_CONV_MASK,
1034                                         SMA1303_DAC_DN_CONV_ENABLE,
1035                                         NULL);
1036
1037                         ret += sma1303_regmap_update_bits(sma1303,
1038                                         SMA1303_01_INPUT1_CTRL1,
1039                                         SMA1303_LEFTPOL_MASK,
1040                                         SMA1303_HIGH_FIRST_CH,
1041                                         NULL);
1042                         break;
1043
1044                 default:
1045                         dev_err(component->dev, "%s not support rate : %d\n",
1046                                 __func__, params_rate(params));
1047
1048                         return -EINVAL;
1049                 }
1050
1051         } else {
1052
1053                 switch (params_format(params)) {
1054
1055                 case SNDRV_PCM_FORMAT_S16_LE:
1056                         dev_dbg(component->dev,
1057                                 "%s set format SNDRV_PCM_FORMAT_S16_LE\n",
1058                                 __func__);
1059                         ret += sma1303_regmap_update_bits(sma1303,
1060                                         SMA1303_A4_TOP_MAN3,
1061                                         SMA1303_SCK_RATE_MASK,
1062                                         SMA1303_SCK_32FS,
1063                                         NULL);
1064                         break;
1065
1066                 case SNDRV_PCM_FORMAT_S24_LE:
1067                         dev_dbg(component->dev,
1068                                 "%s set format SNDRV_PCM_FORMAT_S24_LE\n",
1069                                 __func__);
1070                         ret += sma1303_regmap_update_bits(sma1303,
1071                                         SMA1303_A4_TOP_MAN3,
1072                                         SMA1303_SCK_RATE_MASK,
1073                                         SMA1303_SCK_64FS,
1074                                         NULL);
1075                         break;
1076                 case SNDRV_PCM_FORMAT_S32_LE:
1077                         dev_dbg(component->dev,
1078                                 "%s set format SNDRV_PCM_FORMAT_S32_LE\n",
1079                                 __func__);
1080                         ret += sma1303_regmap_update_bits(sma1303,
1081                                         SMA1303_A4_TOP_MAN3,
1082                                         SMA1303_SCK_RATE_MASK,
1083                                         SMA1303_SCK_64FS,
1084                                         NULL);
1085                         break;
1086                 default:
1087                         dev_err(component->dev,
1088                                 "%s not support data bit : %d\n", __func__,
1089                                                 params_format(params));
1090                         return -EINVAL;
1091                 }
1092         }
1093
1094         switch (sma1303->format) {
1095         case SND_SOC_DAIFMT_I2S:
1096                 ret += sma1303_regmap_update_bits(sma1303,
1097                                 SMA1303_01_INPUT1_CTRL1,
1098                                 SMA1303_I2S_MODE_MASK,
1099                                 SMA1303_STANDARD_I2S,
1100                                 NULL);
1101                 ret += sma1303_regmap_update_bits(sma1303,
1102                                 SMA1303_A4_TOP_MAN3,
1103                                 SMA1303_O_FORMAT_MASK,
1104                                 SMA1303_O_FMT_I2S,
1105                                 NULL);
1106                 break;
1107         case SND_SOC_DAIFMT_LEFT_J:
1108                 ret += sma1303_regmap_update_bits(sma1303,
1109                                 SMA1303_01_INPUT1_CTRL1,
1110                                 SMA1303_I2S_MODE_MASK,
1111                                 SMA1303_LJ,
1112                                 NULL);
1113                 ret += sma1303_regmap_update_bits(sma1303,
1114                                 SMA1303_A4_TOP_MAN3,
1115                                 SMA1303_O_FORMAT_MASK,
1116                                 SMA1303_O_FMT_LJ,
1117                                 NULL);
1118                 break;
1119         case SND_SOC_DAIFMT_RIGHT_J:
1120                 switch (params_width(params)) {
1121                 case 16:
1122                         ret += sma1303_regmap_update_bits(sma1303,
1123                                         SMA1303_01_INPUT1_CTRL1,
1124                                         SMA1303_I2S_MODE_MASK,
1125                                         SMA1303_RJ_16BIT,
1126                                         NULL);
1127                         break;
1128                 case 24:
1129                 case 32:
1130                         ret += sma1303_regmap_update_bits(sma1303,
1131                                         SMA1303_01_INPUT1_CTRL1,
1132                                         SMA1303_I2S_MODE_MASK,
1133                                         SMA1303_RJ_24BIT,
1134                                         NULL);
1135                         break;
1136                 }
1137                 break;
1138         case SND_SOC_DAIFMT_DSP_A:
1139                 ret += sma1303_regmap_update_bits(sma1303,
1140                                 SMA1303_01_INPUT1_CTRL1,
1141                                 SMA1303_I2S_MODE_MASK,
1142                                 SMA1303_STANDARD_I2S,
1143                                 NULL);
1144                 ret += sma1303_regmap_update_bits(sma1303,
1145                                 SMA1303_A4_TOP_MAN3,
1146                                 SMA1303_O_FORMAT_MASK,
1147                                 SMA1303_O_FMT_TDM,
1148                                 NULL);
1149                 break;
1150         }
1151
1152         switch (params_width(params)) {
1153         case 16:
1154         case 24:
1155         case 32:
1156                 break;
1157         default:
1158                 dev_err(component->dev,
1159                         "%s not support data bit : %d\n", __func__,
1160                                         params_format(params));
1161                 return -EINVAL;
1162         }
1163         if (ret < 0)
1164                 return -EINVAL;
1165
1166         return 0;
1167 }
1168
1169 static int sma1303_dai_set_sysclk_amp(struct snd_soc_dai *dai,
1170                                 int clk_id, unsigned int freq, int dir)
1171 {
1172         struct snd_soc_component *component = dai->component;
1173         struct sma1303_priv *sma1303 = snd_soc_component_get_drvdata(component);
1174
1175         switch (clk_id) {
1176         case SMA1303_EXTERNAL_CLOCK_19_2:
1177                 break;
1178         case SMA1303_EXTERNAL_CLOCK_24_576:
1179                 break;
1180         case SMA1303_PLL_CLKIN_MCLK:
1181                 break;
1182         case SMA1303_PLL_CLKIN_BCLK:
1183                 break;
1184         default:
1185                 dev_err(component->dev, "Invalid clk id: %d\n", clk_id);
1186                 return -EINVAL;
1187         }
1188         sma1303->sys_clk_id = clk_id;
1189         return 0;
1190 }
1191
1192 static int sma1303_dai_mute(struct snd_soc_dai *dai, int mute, int stream)
1193 {
1194         struct snd_soc_component *component = dai->component;
1195         struct sma1303_priv *sma1303 = snd_soc_component_get_drvdata(component);
1196         int ret = 0;
1197
1198         if (stream == SNDRV_PCM_STREAM_CAPTURE)
1199                 return ret;
1200
1201         if (mute) {
1202                 dev_dbg(component->dev, "%s : %s\n", __func__, "MUTE");
1203
1204                 ret += sma1303_regmap_update_bits(sma1303,
1205                                 SMA1303_0E_MUTE_VOL_CTRL,
1206                                 SMA1303_SPK_MUTE_MASK,
1207                                 SMA1303_SPK_MUTE,
1208                                 NULL);
1209
1210                 /* Need to wait time for mute slope */
1211                 msleep(55);
1212         } else {
1213                 if (!sma1303->force_mute_status) {
1214                         dev_dbg(component->dev, "%s : %s\n",
1215                                         __func__, "UNMUTE");
1216                         ret += sma1303_regmap_update_bits(sma1303,
1217                                         SMA1303_0E_MUTE_VOL_CTRL,
1218                                         SMA1303_SPK_MUTE_MASK,
1219                                         SMA1303_SPK_UNMUTE,
1220                                         NULL);
1221                 } else {
1222                         dev_dbg(sma1303->dev,
1223                                         "%s : FORCE MUTE!!!\n", __func__);
1224                 }
1225         }
1226
1227         if (ret < 0)
1228                 return -EINVAL;
1229         return 0;
1230 }
1231
1232 static int sma1303_dai_set_fmt_amp(struct snd_soc_dai *dai,
1233                                         unsigned int fmt)
1234 {
1235         struct snd_soc_component *component  = dai->component;
1236         struct sma1303_priv *sma1303 = snd_soc_component_get_drvdata(component);
1237         int ret = 0;
1238
1239         switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
1240
1241         case SND_SOC_DAIFMT_CBC_CFC:
1242                 dev_dbg(component->dev,
1243                                 "%s : %s\n", __func__, "I2S/TDM Device mode");
1244                 ret += sma1303_regmap_update_bits(sma1303,
1245                                 SMA1303_01_INPUT1_CTRL1,
1246                                 SMA1303_CONTROLLER_DEVICE_MASK,
1247                                 SMA1303_DEVICE_MODE,
1248                                 NULL);
1249                 break;
1250
1251         case SND_SOC_DAIFMT_CBP_CFP:
1252                 dev_dbg(component->dev,
1253                         "%s : %s\n", __func__, "I2S/TDM Controller mode");
1254                 ret += sma1303_regmap_update_bits(sma1303,
1255                                 SMA1303_01_INPUT1_CTRL1,
1256                                 SMA1303_CONTROLLER_DEVICE_MASK,
1257                                 SMA1303_CONTROLLER_MODE,
1258                                 NULL);
1259                 break;
1260
1261         default:
1262                 dev_err(component->dev,
1263                         "Unsupported Controller/Device : 0x%x\n", fmt);
1264                 return -EINVAL;
1265         }
1266
1267         switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
1268
1269         case SND_SOC_DAIFMT_I2S:
1270         case SND_SOC_DAIFMT_RIGHT_J:
1271         case SND_SOC_DAIFMT_LEFT_J:
1272         case SND_SOC_DAIFMT_DSP_A:
1273         case SND_SOC_DAIFMT_DSP_B:
1274                 sma1303->format = fmt & SND_SOC_DAIFMT_FORMAT_MASK;
1275                 break;
1276         default:
1277                 dev_err(component->dev,
1278                         "Unsupported Audio Interface Format : 0x%x\n", fmt);
1279                 return -EINVAL;
1280         }
1281
1282         switch (fmt & SND_SOC_DAIFMT_INV_MASK) {
1283
1284         case SND_SOC_DAIFMT_IB_NF:
1285                 dev_dbg(component->dev, "%s : %s\n",
1286                         __func__, "Invert BCLK + Normal Frame");
1287                 ret += sma1303_regmap_update_bits(sma1303,
1288                                 SMA1303_01_INPUT1_CTRL1,
1289                                 SMA1303_SCK_RISING_MASK,
1290                                 SMA1303_SCK_RISING_EDGE,
1291                                 NULL);
1292                 break;
1293         case SND_SOC_DAIFMT_IB_IF:
1294                 dev_dbg(component->dev, "%s : %s\n",
1295                         __func__, "Invert BCLK + Invert Frame");
1296                 ret += sma1303_regmap_update_bits(sma1303,
1297                                 SMA1303_01_INPUT1_CTRL1,
1298                                 SMA1303_LEFTPOL_MASK|SMA1303_SCK_RISING_MASK,
1299                                 SMA1303_HIGH_FIRST_CH|SMA1303_SCK_RISING_EDGE,
1300                                 NULL);
1301                 break;
1302         case SND_SOC_DAIFMT_NB_IF:
1303                 dev_dbg(component->dev, "%s : %s\n",
1304                         __func__, "Normal BCLK + Invert Frame");
1305                 ret += sma1303_regmap_update_bits(sma1303,
1306                                 SMA1303_01_INPUT1_CTRL1,
1307                                 SMA1303_LEFTPOL_MASK,
1308                                 SMA1303_HIGH_FIRST_CH,
1309                                 NULL);
1310                 break;
1311         case SND_SOC_DAIFMT_NB_NF:
1312                 dev_dbg(component->dev, "%s : %s\n",
1313                         __func__, "Normal BCLK + Normal Frame");
1314                 break;
1315         default:
1316                 dev_err(component->dev,
1317                                 "Unsupported Bit & Frameclock : 0x%x\n", fmt);
1318                 return -EINVAL;
1319         }
1320
1321         if (ret < 0)
1322                 return -EINVAL;
1323         return 0;
1324 }
1325
1326 static int sma1303_dai_set_tdm_slot(struct snd_soc_dai *dai,
1327                                 unsigned int tx_mask, unsigned int rx_mask,
1328                                 int slots, int slot_width)
1329 {
1330         struct snd_soc_component *component = dai->component;
1331         struct sma1303_priv *sma1303 = snd_soc_component_get_drvdata(component);
1332         int ret = 0;
1333
1334         dev_dbg(component->dev, "%s : slots = %d, slot_width - %d\n",
1335                         __func__, slots, slot_width);
1336
1337         sma1303->frame_size = slot_width * slots;
1338
1339         ret += sma1303_regmap_update_bits(sma1303,
1340                                 SMA1303_A4_TOP_MAN3,
1341                                 SMA1303_O_FORMAT_MASK,
1342                                 SMA1303_O_FMT_TDM,
1343                                 NULL);
1344
1345         switch (slot_width) {
1346         case 16:
1347                 ret += sma1303_regmap_update_bits(sma1303,
1348                                         SMA1303_A6_TDM2,
1349                                         SMA1303_TDM_DL_MASK,
1350                                         SMA1303_TDM_DL_16,
1351                                         NULL);
1352                 break;
1353         case 32:
1354                 ret += sma1303_regmap_update_bits(sma1303,
1355                                         SMA1303_A6_TDM2,
1356                                         SMA1303_TDM_DL_MASK,
1357                                         SMA1303_TDM_DL_32,
1358                                         NULL);
1359                 break;
1360         default:
1361                 dev_err(component->dev, "%s not support TDM %d slot_width\n",
1362                                         __func__, slot_width);
1363                 break;
1364         }
1365
1366         switch (slots) {
1367         case 4:
1368                 ret += sma1303_regmap_update_bits(sma1303,
1369                                         SMA1303_A6_TDM2,
1370                                         SMA1303_TDM_N_SLOT_MASK,
1371                                         SMA1303_TDM_N_SLOT_4,
1372                                         NULL);
1373                 break;
1374         case 8:
1375                 ret += sma1303_regmap_update_bits(sma1303,
1376                                         SMA1303_A6_TDM2,
1377                                         SMA1303_TDM_N_SLOT_MASK,
1378                                         SMA1303_TDM_N_SLOT_8,
1379                                         NULL);
1380                 break;
1381         default:
1382                 dev_err(component->dev, "%s not support TDM %d slots\n",
1383                                 __func__, slots);
1384                 break;
1385         }
1386
1387         if (sma1303->tdm_slot_rx < slots)
1388                 ret += sma1303_regmap_update_bits(sma1303,
1389                                         SMA1303_A5_TDM1,
1390                                         SMA1303_TDM_SLOT1_RX_POS_MASK,
1391                                         (sma1303->tdm_slot_rx) << 3,
1392                                         NULL);
1393         else
1394                 dev_err(component->dev, "%s Incorrect tdm-slot-rx %d set\n",
1395                                         __func__, sma1303->tdm_slot_rx);
1396
1397         ret += sma1303_regmap_update_bits(sma1303,
1398                                 SMA1303_A5_TDM1,
1399                                 SMA1303_TDM_CLK_POL_MASK,
1400                                 SMA1303_TDM_CLK_POL_RISE,
1401                                 NULL);
1402
1403         ret += sma1303_regmap_update_bits(sma1303,
1404                                 SMA1303_A5_TDM1,
1405                                 SMA1303_TDM_TX_MODE_MASK,
1406                                 SMA1303_TDM_TX_MONO,
1407                                 NULL);
1408
1409         if (sma1303->tdm_slot_tx < slots)
1410                 ret += sma1303_regmap_update_bits(sma1303,
1411                                         SMA1303_A6_TDM2,
1412                                         SMA1303_TDM_SLOT1_TX_POS_MASK,
1413                                         (sma1303->tdm_slot_tx) << 3,
1414                                         NULL);
1415         else
1416                 dev_err(component->dev, "%s Incorrect tdm-slot-tx %d set\n",
1417                                 __func__, sma1303->tdm_slot_tx);
1418
1419         if (ret < 0)
1420                 return -EINVAL;
1421         return 0;
1422 }
1423
1424 static const struct snd_soc_dai_ops sma1303_dai_ops_amp = {
1425         .set_sysclk = sma1303_dai_set_sysclk_amp,
1426         .set_fmt = sma1303_dai_set_fmt_amp,
1427         .hw_params = sma1303_dai_hw_params_amp,
1428         .mute_stream = sma1303_dai_mute,
1429         .set_tdm_slot = sma1303_dai_set_tdm_slot,
1430 };
1431
1432 #define SMA1303_RATES SNDRV_PCM_RATE_8000_192000
1433 #define SMA1303_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S24_LE | \
1434                 SNDRV_PCM_FMTBIT_S32_LE)
1435
1436 static struct snd_soc_dai_driver sma1303_dai[] = {
1437         {
1438                 .name = "sma1303-amplifier",
1439                 .id = 0,
1440                 .playback = {
1441                         .stream_name = "Playback",
1442                         .channels_min = 1,
1443                         .channels_max = 2,
1444                         .rates = SMA1303_RATES,
1445                         .formats = SMA1303_FORMATS,
1446                 },
1447                 .capture = {
1448                         .stream_name = "Capture",
1449                         .channels_min = 1,
1450                         .channels_max = 2,
1451                         .rates = SMA1303_RATES,
1452                         .formats = SMA1303_FORMATS,
1453                 },
1454                 .ops = &sma1303_dai_ops_amp,
1455         },
1456 };
1457
1458 static void sma1303_check_fault_worker(struct work_struct *work)
1459 {
1460         struct sma1303_priv *sma1303 =
1461                 container_of(work, struct sma1303_priv, check_fault_work.work);
1462         int ret = 0;
1463         unsigned int over_temp, ocp_val, uvlo_val;
1464
1465         if (sma1303->tsdw_cnt)
1466                 ret = sma1303_regmap_read(sma1303,
1467                         SMA1303_0A_SPK_VOL, &sma1303->cur_vol);
1468         else
1469                 ret = sma1303_regmap_read(sma1303,
1470                         SMA1303_0A_SPK_VOL, &sma1303->init_vol);
1471
1472         if (ret != 0) {
1473                 dev_err(sma1303->dev,
1474                         "failed to read SMA1303_0A_SPK_VOL : %d\n", ret);
1475                 return;
1476         }
1477
1478         ret = sma1303_regmap_read(sma1303, SMA1303_FA_STATUS1, &over_temp);
1479         if (ret != 0) {
1480                 dev_err(sma1303->dev,
1481                         "failed to read SMA1303_FA_STATUS1 : %d\n", ret);
1482                 return;
1483         }
1484
1485         ret = sma1303_regmap_read(sma1303, SMA1303_FB_STATUS2, &ocp_val);
1486         if (ret != 0) {
1487                 dev_err(sma1303->dev,
1488                         "failed to read SMA1303_FB_STATUS2 : %d\n", ret);
1489                 return;
1490         }
1491
1492         ret = sma1303_regmap_read(sma1303, SMA1303_FF_DEVICE_INDEX, &uvlo_val);
1493         if (ret != 0) {
1494                 dev_err(sma1303->dev,
1495                         "failed to read SMA1303_FF_DEVICE_INDEX : %d\n", ret);
1496                 return;
1497         }
1498
1499         if (~over_temp & SMA1303_OT1_OK_STATUS) {
1500                 dev_crit(sma1303->dev,
1501                         "%s : OT1(Over Temperature Level 1)\n", __func__);
1502
1503                 if ((sma1303->cur_vol + 6) <= 0xFF)
1504                         sma1303_regmap_write(sma1303,
1505                                 SMA1303_0A_SPK_VOL, sma1303->cur_vol + 6);
1506
1507                 sma1303->tsdw_cnt++;
1508         } else if (sma1303->tsdw_cnt) {
1509                 sma1303_regmap_write(sma1303,
1510                                 SMA1303_0A_SPK_VOL, sma1303->init_vol);
1511                 sma1303->tsdw_cnt = 0;
1512                 sma1303->cur_vol = sma1303->init_vol;
1513         }
1514
1515         if (~over_temp & SMA1303_OT2_OK_STATUS) {
1516                 dev_crit(sma1303->dev,
1517                         "%s : OT2(Over Temperature Level 2)\n", __func__);
1518         }
1519         if (ocp_val & SMA1303_OCP_SPK_STATUS) {
1520                 dev_crit(sma1303->dev,
1521                         "%s : OCP_SPK(Over Current Protect SPK)\n", __func__);
1522         }
1523         if (ocp_val & SMA1303_OCP_BST_STATUS) {
1524                 dev_crit(sma1303->dev,
1525                         "%s : OCP_BST(Over Current Protect Boost)\n", __func__);
1526         }
1527         if ((ocp_val & SMA1303_CLK_MON_STATUS) && (sma1303->amp_power_status)) {
1528                 dev_crit(sma1303->dev,
1529                         "%s : CLK_FAULT(No clock input)\n", __func__);
1530         }
1531         if (uvlo_val & SMA1303_UVLO_BST_STATUS) {
1532                 dev_crit(sma1303->dev,
1533                         "%s : UVLO(Under Voltage Lock Out)\n", __func__);
1534         }
1535
1536         if ((over_temp != sma1303->last_over_temp) ||
1537                 (ocp_val != sma1303->last_ocp_val)) {
1538
1539                 dev_crit(sma1303->dev, "Please check AMP status");
1540                 dev_dbg(sma1303->dev, "STATUS1=0x%02X : STATUS2=0x%02X\n",
1541                                 over_temp, ocp_val);
1542                 sma1303->last_over_temp = over_temp;
1543                 sma1303->last_ocp_val = ocp_val;
1544         }
1545
1546         if (sma1303->check_fault_status) {
1547                 if (sma1303->check_fault_period > 0)
1548                         queue_delayed_work(system_freezable_wq,
1549                                 &sma1303->check_fault_work,
1550                                         sma1303->check_fault_period * HZ);
1551                 else
1552                         queue_delayed_work(system_freezable_wq,
1553                                 &sma1303->check_fault_work,
1554                                         CHECK_PERIOD_TIME * HZ);
1555         }
1556
1557         if (!(~over_temp & SMA1303_OT1_OK_STATUS)
1558                         && !(~over_temp & SMA1303_OT2_OK_STATUS)
1559                         && !(ocp_val & SMA1303_OCP_SPK_STATUS)
1560                         && !(ocp_val & SMA1303_OCP_BST_STATUS)
1561                         && !(ocp_val & SMA1303_CLK_MON_STATUS)
1562                         && !(uvlo_val & SMA1303_UVLO_BST_STATUS)) {
1563         }
1564 }
1565
1566 static int sma1303_probe(struct snd_soc_component *component)
1567 {
1568         struct snd_soc_dapm_context *dapm =
1569                 snd_soc_component_get_dapm(component);
1570
1571         snd_soc_dapm_sync(dapm);
1572
1573         return 0;
1574 }
1575
1576 static void sma1303_remove(struct snd_soc_component *component)
1577 {
1578         struct sma1303_priv *sma1303 = snd_soc_component_get_drvdata(component);
1579
1580         cancel_delayed_work_sync(&sma1303->check_fault_work);
1581 }
1582
1583 static const struct snd_soc_component_driver sma1303_component = {
1584         .probe = sma1303_probe,
1585         .remove = sma1303_remove,
1586         .controls = sma1303_snd_controls,
1587         .num_controls = ARRAY_SIZE(sma1303_snd_controls),
1588         .dapm_widgets = sma1303_dapm_widgets,
1589         .num_dapm_widgets = ARRAY_SIZE(sma1303_dapm_widgets),
1590         .dapm_routes = sma1303_audio_map,
1591         .num_dapm_routes = ARRAY_SIZE(sma1303_audio_map),
1592 };
1593
1594 static const struct regmap_config sma_i2c_regmap = {
1595         .reg_bits = 8,
1596         .val_bits = 8,
1597
1598         .max_register = SMA1303_FF_DEVICE_INDEX,
1599         .readable_reg = sma1303_readable_register,
1600         .writeable_reg = sma1303_writeable_register,
1601         .volatile_reg = sma1303_volatile_register,
1602
1603         .cache_type = REGCACHE_NONE,
1604         .reg_defaults = sma1303_reg_def,
1605         .num_reg_defaults = ARRAY_SIZE(sma1303_reg_def),
1606 };
1607
1608 static ssize_t check_fault_period_show(struct device *dev,
1609         struct device_attribute *devattr, char *buf)
1610 {
1611         struct sma1303_priv *sma1303 = dev_get_drvdata(dev);
1612
1613         return sysfs_emit(buf, "%ld\n", sma1303->check_fault_period);
1614 }
1615
1616 static ssize_t check_fault_period_store(struct device *dev,
1617         struct device_attribute *devattr, const char *buf, size_t count)
1618 {
1619         struct sma1303_priv *sma1303 = dev_get_drvdata(dev);
1620         int ret;
1621
1622         ret = kstrtol(buf, 10, &sma1303->check_fault_period);
1623
1624         if (ret)
1625                 return -EINVAL;
1626
1627         return (ssize_t)count;
1628 }
1629
1630 static DEVICE_ATTR_RW(check_fault_period);
1631
1632 static ssize_t check_fault_status_show(struct device *dev,
1633         struct device_attribute *devattr, char *buf)
1634 {
1635         struct sma1303_priv *sma1303 = dev_get_drvdata(dev);
1636
1637         return sysfs_emit(buf, "%ld\n", sma1303->check_fault_status);
1638 }
1639
1640 static ssize_t check_fault_status_store(struct device *dev,
1641         struct device_attribute *devattr, const char *buf, size_t count)
1642 {
1643         struct sma1303_priv *sma1303 = dev_get_drvdata(dev);
1644         int ret;
1645
1646         ret = kstrtol(buf, 10, &sma1303->check_fault_status);
1647
1648         if (ret)
1649                 return -EINVAL;
1650
1651         if (sma1303->check_fault_status) {
1652                 if (sma1303->check_fault_period > 0)
1653                         queue_delayed_work(system_freezable_wq,
1654                                 &sma1303->check_fault_work,
1655                                         sma1303->check_fault_period * HZ);
1656                 else
1657                         queue_delayed_work(system_freezable_wq,
1658                                 &sma1303->check_fault_work,
1659                                         CHECK_PERIOD_TIME * HZ);
1660         }
1661
1662         return (ssize_t)count;
1663 }
1664
1665 static DEVICE_ATTR_RW(check_fault_status);
1666
1667 static struct attribute *sma1303_attr[] = {
1668         &dev_attr_check_fault_period.attr,
1669         &dev_attr_check_fault_status.attr,
1670         NULL,
1671 };
1672
1673 static struct attribute_group sma1303_attr_group = {
1674         .attrs = sma1303_attr,
1675 };
1676
1677 static int sma1303_i2c_probe(struct i2c_client *client)
1678 {
1679         struct sma1303_priv *sma1303;
1680         int ret, i = 0;
1681         unsigned int device_info, status, otp_stat;
1682
1683         sma1303 = devm_kzalloc(&client->dev,
1684                                 sizeof(struct sma1303_priv), GFP_KERNEL);
1685         if (!sma1303)
1686                 return -ENOMEM;
1687         sma1303->dev = &client->dev;
1688
1689         sma1303->regmap = devm_regmap_init_i2c(client, &sma_i2c_regmap);
1690         if (IS_ERR(sma1303->regmap)) {
1691                 ret = PTR_ERR(sma1303->regmap);
1692                 dev_err(&client->dev,
1693                         "Failed to allocate register map: %d\n", ret);
1694
1695                 return ret;
1696         }
1697
1698         ret = sma1303_regmap_read(sma1303,
1699                         SMA1303_FF_DEVICE_INDEX, &device_info);
1700
1701         if ((ret != 0) || ((device_info & 0xF8) != SMA1303_DEVICE_ID)) {
1702                 dev_err(&client->dev, "device initialization error (%d 0x%02X)",
1703                                 ret, device_info);
1704         }
1705         dev_dbg(&client->dev, "chip version 0x%02X\n", device_info);
1706
1707         ret += sma1303_regmap_update_bits(sma1303,
1708                         SMA1303_00_SYSTEM_CTRL,
1709                         SMA1303_RESETBYI2C_MASK, SMA1303_RESETBYI2C_RESET,
1710                         NULL);
1711
1712         ret += sma1303_regmap_read(sma1303, SMA1303_FF_DEVICE_INDEX, &status);
1713         sma1303->rev_num = status & SMA1303_REV_NUM_STATUS;
1714         if (sma1303->rev_num == SMA1303_REV_NUM_TV0)
1715                 dev_dbg(&client->dev, "SMA1303 Trimming Version 0\n");
1716         else if (sma1303->rev_num == SMA1303_REV_NUM_TV1)
1717                 dev_dbg(&client->dev, "SMA1303 Trimming Version 1\n");
1718
1719         ret += sma1303_regmap_read(sma1303, SMA1303_FB_STATUS2, &otp_stat);
1720         if (ret < 0)
1721                 dev_err(&client->dev,
1722                         "failed to read, register: %02X, ret: %d\n",
1723                                 SMA1303_FF_DEVICE_INDEX, ret);
1724
1725         if (((sma1303->rev_num == SMA1303_REV_NUM_TV0) &&
1726                 ((otp_stat & 0x0E) == SMA1303_OTP_STAT_OK_0)) ||
1727                 ((sma1303->rev_num != SMA1303_REV_NUM_TV0) &&
1728                 ((otp_stat & 0x0C) == SMA1303_OTP_STAT_OK_1)))
1729                 dev_dbg(&client->dev, "SMA1303 OTP Status Successful\n");
1730         else
1731                 dev_dbg(&client->dev, "SMA1303 OTP Status Fail\n");
1732
1733         for (i = 0; i < (unsigned int)ARRAY_SIZE(sma1303_reg_def); i++)
1734                 ret += sma1303_regmap_write(sma1303,
1735                                 sma1303_reg_def[i].reg,
1736                                 sma1303_reg_def[i].def);
1737
1738         sma1303->amp_mode = SMA1303_MONO;
1739         sma1303->amp_power_status = false;
1740         sma1303->check_fault_period = CHECK_PERIOD_TIME;
1741         sma1303->check_fault_status = true;
1742         sma1303->force_mute_status = false;
1743         sma1303->init_vol = 0x31;
1744         sma1303->cur_vol = sma1303->init_vol;
1745         sma1303->last_bclk = 0;
1746         sma1303->last_ocp_val = 0x08;
1747         sma1303->last_over_temp = 0xC0;
1748         sma1303->tsdw_cnt = 0;
1749         sma1303->retry_cnt = SMA1303_I2C_RETRY_COUNT;
1750         sma1303->tdm_slot_rx = 0;
1751         sma1303->tdm_slot_tx = 0;
1752         sma1303->sys_clk_id = SMA1303_PLL_CLKIN_BCLK;
1753
1754         sma1303->dev = &client->dev;
1755         sma1303->kobj = &client->dev.kobj;
1756
1757         INIT_DELAYED_WORK(&sma1303->check_fault_work,
1758                 sma1303_check_fault_worker);
1759
1760         i2c_set_clientdata(client, sma1303);
1761
1762         sma1303->pll_matches = sma1303_pll_matches;
1763         sma1303->num_of_pll_matches =
1764                 ARRAY_SIZE(sma1303_pll_matches);
1765
1766         ret = devm_snd_soc_register_component(&client->dev,
1767                         &sma1303_component, sma1303_dai, 1);
1768         if (ret) {
1769                 dev_err(&client->dev, "Failed to register component");
1770
1771                 return ret;
1772         }
1773
1774         sma1303->attr_grp = &sma1303_attr_group;
1775         ret = sysfs_create_group(sma1303->kobj, sma1303->attr_grp);
1776         if (ret) {
1777                 dev_err(&client->dev,
1778                         "failed to create attribute group [%d]\n", ret);
1779                 sma1303->attr_grp = NULL;
1780         }
1781
1782         return ret;
1783 }
1784
1785 static void sma1303_i2c_remove(struct i2c_client *client)
1786 {
1787         struct sma1303_priv *sma1303 =
1788                 (struct sma1303_priv *) i2c_get_clientdata(client);
1789
1790         cancel_delayed_work_sync(&sma1303->check_fault_work);
1791 }
1792
1793 static const struct i2c_device_id sma1303_i2c_id[] = {
1794         {"sma1303", 0},
1795         {}
1796 };
1797 MODULE_DEVICE_TABLE(i2c, sma1303_i2c_id);
1798
1799 static const struct of_device_id sma1303_of_match[] = {
1800         { .compatible = "irondevice,sma1303", },
1801         { }
1802 };
1803 MODULE_DEVICE_TABLE(of, sma1303_of_match);
1804
1805 static struct i2c_driver sma1303_i2c_driver = {
1806         .driver = {
1807                 .name = "sma1303",
1808                 .of_match_table = sma1303_of_match,
1809         },
1810         .probe = sma1303_i2c_probe,
1811         .remove = sma1303_i2c_remove,
1812         .id_table = sma1303_i2c_id,
1813 };
1814
1815 module_i2c_driver(sma1303_i2c_driver);
1816
1817 MODULE_DESCRIPTION("ALSA SoC SMA1303 driver");
1818 MODULE_AUTHOR("Gyuhwa Park, <gyuhwa.park@irondevice.com>");
1819 MODULE_AUTHOR("Kiseok Jo, <kiseok.jo@irondevice.com>");
1820 MODULE_LICENSE("GPL v2");