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x86/speculation/mds: Fix documentation typo
[linux/fpc-iii.git] / sound / soc / codecs / tlv320aic31xx.c
blob54a87a905eb63a4cc94e0d2f214992a1011d2cc2
1 /*
2 * ALSA SoC TLV320AIC31XX codec driver
3 *
4 * Copyright (C) 2014 Texas Instruments, Inc.
5 *
6 * Author: Jyri Sarha <jsarha@ti.com>
7 *
8 * Based on ground work by: Ajit Kulkarni <x0175765@ti.com>
9 *
10 * This package is free software; you can redistribute it and/or modify
11 * it under the terms of the GNU General Public License version 2 as
12 * published by the Free Software Foundation.
13 *
14 * THIS PACKAGE IS PROVIDED AS IS AND WITHOUT ANY EXPRESS OR
15 * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
16 * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
17 *
18 * The TLV320AIC31xx series of audio codec is a low-power, highly integrated
19 * high performance codec which provides a stereo DAC, a mono ADC,
20 * and mono/stereo Class-D speaker driver.
21 */
22
23 #include <linux/module.h>
24 #include <linux/moduleparam.h>
25 #include <linux/init.h>
26 #include <linux/delay.h>
27 #include <linux/pm.h>
28 #include <linux/i2c.h>
29 #include <linux/gpio.h>
30 #include <linux/regulator/consumer.h>
31 #include <linux/acpi.h>
32 #include <linux/of.h>
33 #include <linux/of_gpio.h>
34 #include <linux/slab.h>
35 #include <sound/core.h>
36 #include <sound/pcm.h>
37 #include <sound/pcm_params.h>
38 #include <sound/soc.h>
39 #include <sound/initval.h>
40 #include <sound/tlv.h>
41 #include <dt-bindings/sound/tlv320aic31xx-micbias.h>
42
43 #include "tlv320aic31xx.h"
44
45 static const struct reg_default aic31xx_reg_defaults[] = {
46 { AIC31XX_CLKMUX, 0x00 },
47 { AIC31XX_PLLPR, 0x11 },
48 { AIC31XX_PLLJ, 0x04 },
49 { AIC31XX_PLLDMSB, 0x00 },
50 { AIC31XX_PLLDLSB, 0x00 },
51 { AIC31XX_NDAC, 0x01 },
52 { AIC31XX_MDAC, 0x01 },
53 { AIC31XX_DOSRMSB, 0x00 },
54 { AIC31XX_DOSRLSB, 0x80 },
55 { AIC31XX_NADC, 0x01 },
56 { AIC31XX_MADC, 0x01 },
57 { AIC31XX_AOSR, 0x80 },
58 { AIC31XX_IFACE1, 0x00 },
59 { AIC31XX_DATA_OFFSET, 0x00 },
60 { AIC31XX_IFACE2, 0x00 },
61 { AIC31XX_BCLKN, 0x01 },
62 { AIC31XX_DACSETUP, 0x14 },
63 { AIC31XX_DACMUTE, 0x0c },
64 { AIC31XX_LDACVOL, 0x00 },
65 { AIC31XX_RDACVOL, 0x00 },
66 { AIC31XX_ADCSETUP, 0x00 },
67 { AIC31XX_ADCFGA, 0x80 },
68 { AIC31XX_ADCVOL, 0x00 },
69 { AIC31XX_HPDRIVER, 0x04 },
70 { AIC31XX_SPKAMP, 0x06 },
71 { AIC31XX_DACMIXERROUTE, 0x00 },
72 { AIC31XX_LANALOGHPL, 0x7f },
73 { AIC31XX_RANALOGHPR, 0x7f },
74 { AIC31XX_LANALOGSPL, 0x7f },
75 { AIC31XX_RANALOGSPR, 0x7f },
76 { AIC31XX_HPLGAIN, 0x02 },
77 { AIC31XX_HPRGAIN, 0x02 },
78 { AIC31XX_SPLGAIN, 0x00 },
79 { AIC31XX_SPRGAIN, 0x00 },
80 { AIC31XX_MICBIAS, 0x00 },
81 { AIC31XX_MICPGA, 0x80 },
82 { AIC31XX_MICPGAPI, 0x00 },
83 { AIC31XX_MICPGAMI, 0x00 },
84 };
85
86 static bool aic31xx_volatile(struct device *dev, unsigned int reg)
87 {
88 switch (reg) {
89 case AIC31XX_PAGECTL: /* regmap implementation requires this */
90 case AIC31XX_RESET: /* always clears after write */
91 case AIC31XX_OT_FLAG:
92 case AIC31XX_ADCFLAG:
93 case AIC31XX_DACFLAG1:
94 case AIC31XX_DACFLAG2:
95 case AIC31XX_OFFLAG: /* Sticky interrupt flags */
96 case AIC31XX_INTRDACFLAG: /* Sticky interrupt flags */
97 case AIC31XX_INTRADCFLAG: /* Sticky interrupt flags */
98 case AIC31XX_INTRDACFLAG2:
99 case AIC31XX_INTRADCFLAG2:
100 return true;
101 }
102 return false;
103 }
104
105 static bool aic31xx_writeable(struct device *dev, unsigned int reg)
106 {
107 switch (reg) {
108 case AIC31XX_OT_FLAG:
109 case AIC31XX_ADCFLAG:
110 case AIC31XX_DACFLAG1:
111 case AIC31XX_DACFLAG2:
112 case AIC31XX_OFFLAG: /* Sticky interrupt flags */
113 case AIC31XX_INTRDACFLAG: /* Sticky interrupt flags */
114 case AIC31XX_INTRADCFLAG: /* Sticky interrupt flags */
115 case AIC31XX_INTRDACFLAG2:
116 case AIC31XX_INTRADCFLAG2:
117 return false;
118 }
119 return true;
120 }
121
122 static const struct regmap_range_cfg aic31xx_ranges[] = {
123 {
124 .range_min = 0,
125 .range_max = 12 * 128,
126 .selector_reg = AIC31XX_PAGECTL,
127 .selector_mask = 0xff,
128 .selector_shift = 0,
129 .window_start = 0,
130 .window_len = 128,
131 },
132 };
133
134 static const struct regmap_config aic31xx_i2c_regmap = {
135 .reg_bits = 8,
136 .val_bits = 8,
137 .writeable_reg = aic31xx_writeable,
138 .volatile_reg = aic31xx_volatile,
139 .reg_defaults = aic31xx_reg_defaults,
140 .num_reg_defaults = ARRAY_SIZE(aic31xx_reg_defaults),
141 .cache_type = REGCACHE_RBTREE,
142 .ranges = aic31xx_ranges,
143 .num_ranges = ARRAY_SIZE(aic31xx_ranges),
144 .max_register = 12 * 128,
145 };
146
147 #define AIC31XX_NUM_SUPPLIES 6
148 static const char * const aic31xx_supply_names[AIC31XX_NUM_SUPPLIES] = {
149 "HPVDD",
150 "SPRVDD",
151 "SPLVDD",
152 "AVDD",
153 "IOVDD",
154 "DVDD",
155 };
156
157 struct aic31xx_disable_nb {
158 struct notifier_block nb;
159 struct aic31xx_priv *aic31xx;
160 };
161
162 struct aic31xx_priv {
163 struct snd_soc_codec *codec;
164 u8 i2c_regs_status;
165 struct device *dev;
166 struct regmap *regmap;
167 struct aic31xx_pdata pdata;
168 struct regulator_bulk_data supplies[AIC31XX_NUM_SUPPLIES];
169 struct aic31xx_disable_nb disable_nb[AIC31XX_NUM_SUPPLIES];
170 unsigned int sysclk;
171 u8 p_div;
172 int rate_div_line;
173 };
174
175 struct aic31xx_rate_divs {
176 u32 mclk_p;
177 u32 rate;
178 u8 pll_j;
179 u16 pll_d;
180 u16 dosr;
181 u8 ndac;
182 u8 mdac;
183 u8 aosr;
184 u8 nadc;
185 u8 madc;
186 };
187
188 /* ADC dividers can be disabled by cofiguring them to 0 */
189 static const struct aic31xx_rate_divs aic31xx_divs[] = {
190 /* mclk/p rate pll: j d dosr ndac mdac aors nadc madc */
191 /* 8k rate */
192 {12000000, 8000, 8, 1920, 128, 48, 2, 128, 48, 2},
193 {12000000, 8000, 8, 1920, 128, 32, 3, 128, 32, 3},
194 {12500000, 8000, 7, 8643, 128, 48, 2, 128, 48, 2},
195 /* 11.025k rate */
196 {12000000, 11025, 7, 5264, 128, 32, 2, 128, 32, 2},
197 {12000000, 11025, 8, 4672, 128, 24, 3, 128, 24, 3},
198 {12500000, 11025, 7, 2253, 128, 32, 2, 128, 32, 2},
199 /* 16k rate */
200 {12000000, 16000, 8, 1920, 128, 24, 2, 128, 24, 2},
201 {12000000, 16000, 8, 1920, 128, 16, 3, 128, 16, 3},
202 {12500000, 16000, 7, 8643, 128, 24, 2, 128, 24, 2},
203 /* 22.05k rate */
204 {12000000, 22050, 7, 5264, 128, 16, 2, 128, 16, 2},
205 {12000000, 22050, 8, 4672, 128, 12, 3, 128, 12, 3},
206 {12500000, 22050, 7, 2253, 128, 16, 2, 128, 16, 2},
207 /* 32k rate */
208 {12000000, 32000, 8, 1920, 128, 12, 2, 128, 12, 2},
209 {12000000, 32000, 8, 1920, 128, 8, 3, 128, 8, 3},
210 {12500000, 32000, 7, 8643, 128, 12, 2, 128, 12, 2},
211 /* 44.1k rate */
212 {12000000, 44100, 7, 5264, 128, 8, 2, 128, 8, 2},
213 {12000000, 44100, 8, 4672, 128, 6, 3, 128, 6, 3},
214 {12500000, 44100, 7, 2253, 128, 8, 2, 128, 8, 2},
215 /* 48k rate */
216 {12000000, 48000, 8, 1920, 128, 8, 2, 128, 8, 2},
217 {12000000, 48000, 7, 6800, 96, 5, 4, 96, 5, 4},
218 {12500000, 48000, 7, 8643, 128, 8, 2, 128, 8, 2},
219 /* 88.2k rate */
220 {12000000, 88200, 7, 5264, 64, 8, 2, 64, 8, 2},
221 {12000000, 88200, 8, 4672, 64, 6, 3, 64, 6, 3},
222 {12500000, 88200, 7, 2253, 64, 8, 2, 64, 8, 2},
223 /* 96k rate */
224 {12000000, 96000, 8, 1920, 64, 8, 2, 64, 8, 2},
225 {12000000, 96000, 7, 6800, 48, 5, 4, 48, 5, 4},
226 {12500000, 96000, 7, 8643, 64, 8, 2, 64, 8, 2},
227 /* 176.4k rate */
228 {12000000, 176400, 7, 5264, 32, 8, 2, 32, 8, 2},
229 {12000000, 176400, 8, 4672, 32, 6, 3, 32, 6, 3},
230 {12500000, 176400, 7, 2253, 32, 8, 2, 32, 8, 2},
231 /* 192k rate */
232 {12000000, 192000, 8, 1920, 32, 8, 2, 32, 8, 2},
233 {12000000, 192000, 7, 6800, 24, 5, 4, 24, 5, 4},
234 {12500000, 192000, 7, 8643, 32, 8, 2, 32, 8, 2},
235 };
236
237 static const char * const ldac_in_text[] = {
238 "Off", "Left Data", "Right Data", "Mono"
239 };
240
241 static const char * const rdac_in_text[] = {
242 "Off", "Right Data", "Left Data", "Mono"
243 };
244
245 static SOC_ENUM_SINGLE_DECL(ldac_in_enum, AIC31XX_DACSETUP, 4, ldac_in_text);
246
247 static SOC_ENUM_SINGLE_DECL(rdac_in_enum, AIC31XX_DACSETUP, 2, rdac_in_text);
248
249 static const char * const mic_select_text[] = {
250 "Off", "FFR 10 Ohm", "FFR 20 Ohm", "FFR 40 Ohm"
251 };
252
253 static SOC_ENUM_SINGLE_DECL(mic1lp_p_enum, AIC31XX_MICPGAPI, 6,
254 mic_select_text);
255 static SOC_ENUM_SINGLE_DECL(mic1rp_p_enum, AIC31XX_MICPGAPI, 4,
256 mic_select_text);
257 static SOC_ENUM_SINGLE_DECL(mic1lm_p_enum, AIC31XX_MICPGAPI, 2,
258 mic_select_text);
259
260 static SOC_ENUM_SINGLE_DECL(cm_m_enum, AIC31XX_MICPGAMI, 6, mic_select_text);
261 static SOC_ENUM_SINGLE_DECL(mic1lm_m_enum, AIC31XX_MICPGAMI, 4,
262 mic_select_text);
263
264 static const DECLARE_TLV_DB_SCALE(dac_vol_tlv, -6350, 50, 0);
265 static const DECLARE_TLV_DB_SCALE(adc_fgain_tlv, 0, 10, 0);
266 static const DECLARE_TLV_DB_SCALE(adc_cgain_tlv, -2000, 50, 0);
267 static const DECLARE_TLV_DB_SCALE(mic_pga_tlv, 0, 50, 0);
268 static const DECLARE_TLV_DB_SCALE(hp_drv_tlv, 0, 100, 0);
269 static const DECLARE_TLV_DB_SCALE(class_D_drv_tlv, 600, 600, 0);
270 static const DECLARE_TLV_DB_SCALE(hp_vol_tlv, -6350, 50, 0);
271 static const DECLARE_TLV_DB_SCALE(sp_vol_tlv, -6350, 50, 0);
272
273 /*
274 * controls to be exported to the user space
275 */
276 static const struct snd_kcontrol_new common31xx_snd_controls[] = {
277 SOC_DOUBLE_R_S_TLV("DAC Playback Volume", AIC31XX_LDACVOL,
278 AIC31XX_RDACVOL, 0, -127, 48, 7, 0, dac_vol_tlv),
279
280 SOC_DOUBLE_R("HP Driver Playback Switch", AIC31XX_HPLGAIN,
281 AIC31XX_HPRGAIN, 2, 1, 0),
282 SOC_DOUBLE_R_TLV("HP Driver Playback Volume", AIC31XX_HPLGAIN,
283 AIC31XX_HPRGAIN, 3, 0x09, 0, hp_drv_tlv),
284
285 SOC_DOUBLE_R_TLV("HP Analog Playback Volume", AIC31XX_LANALOGHPL,
286 AIC31XX_RANALOGHPR, 0, 0x7F, 1, hp_vol_tlv),
287 };
288
289 static const struct snd_kcontrol_new aic31xx_snd_controls[] = {
290 SOC_SINGLE_TLV("ADC Fine Capture Volume", AIC31XX_ADCFGA, 4, 4, 1,
291 adc_fgain_tlv),
292
293 SOC_SINGLE("ADC Capture Switch", AIC31XX_ADCFGA, 7, 1, 1),
294 SOC_DOUBLE_R_S_TLV("ADC Capture Volume", AIC31XX_ADCVOL, AIC31XX_ADCVOL,
295 0, -24, 40, 6, 0, adc_cgain_tlv),
296
297 SOC_SINGLE_TLV("Mic PGA Capture Volume", AIC31XX_MICPGA, 0,
298 119, 0, mic_pga_tlv),
299 };
300
301 static const struct snd_kcontrol_new aic311x_snd_controls[] = {
302 SOC_DOUBLE_R("Speaker Driver Playback Switch", AIC31XX_SPLGAIN,
303 AIC31XX_SPRGAIN, 2, 1, 0),
304 SOC_DOUBLE_R_TLV("Speaker Driver Playback Volume", AIC31XX_SPLGAIN,
305 AIC31XX_SPRGAIN, 3, 3, 0, class_D_drv_tlv),
306
307 SOC_DOUBLE_R_TLV("Speaker Analog Playback Volume", AIC31XX_LANALOGSPL,
308 AIC31XX_RANALOGSPR, 0, 0x7F, 1, sp_vol_tlv),
309 };
310
311 static const struct snd_kcontrol_new aic310x_snd_controls[] = {
312 SOC_SINGLE("Speaker Driver Playback Switch", AIC31XX_SPLGAIN,
313 2, 1, 0),
314 SOC_SINGLE_TLV("Speaker Driver Playback Volume", AIC31XX_SPLGAIN,
315 3, 3, 0, class_D_drv_tlv),
316
317 SOC_SINGLE_TLV("Speaker Analog Playback Volume", AIC31XX_LANALOGSPL,
318 0, 0x7F, 1, sp_vol_tlv),
319 };
320
321 static const struct snd_kcontrol_new ldac_in_control =
322 SOC_DAPM_ENUM("DAC Left Input", ldac_in_enum);
323
324 static const struct snd_kcontrol_new rdac_in_control =
325 SOC_DAPM_ENUM("DAC Right Input", rdac_in_enum);
326
327 static int aic31xx_wait_bits(struct aic31xx_priv *aic31xx, unsigned int reg,
328 unsigned int mask, unsigned int wbits, int sleep,
329 int count)
330 {
331 unsigned int bits;
332 int counter = count;
333 int ret = regmap_read(aic31xx->regmap, reg, &bits);
334
335 while ((bits & mask) != wbits && counter && !ret) {
336 usleep_range(sleep, sleep * 2);
337 ret = regmap_read(aic31xx->regmap, reg, &bits);
338 counter--;
339 }
340 if ((bits & mask) != wbits) {
341 dev_err(aic31xx->dev,
342 "%s: Failed! 0x%x was 0x%x expected 0x%x (%d, 0x%x, %d us)\n",
343 __func__, reg, bits, wbits, ret, mask,
344 (count - counter) * sleep);
345 ret = -1;
346 }
347 return ret;
348 }
349
350 #define WIDGET_BIT(reg, shift) (((shift) << 8) | (reg))
351
352 static int aic31xx_dapm_power_event(struct snd_soc_dapm_widget *w,
353 struct snd_kcontrol *kcontrol, int event)
354 {
355 struct snd_soc_codec *codec = snd_soc_dapm_to_codec(w->dapm);
356 struct aic31xx_priv *aic31xx = snd_soc_codec_get_drvdata(codec);
357 unsigned int reg = AIC31XX_DACFLAG1;
358 unsigned int mask;
359
360 switch (WIDGET_BIT(w->reg, w->shift)) {
361 case WIDGET_BIT(AIC31XX_DACSETUP, 7):
362 mask = AIC31XX_LDACPWRSTATUS_MASK;
363 break;
364 case WIDGET_BIT(AIC31XX_DACSETUP, 6):
365 mask = AIC31XX_RDACPWRSTATUS_MASK;
366 break;
367 case WIDGET_BIT(AIC31XX_HPDRIVER, 7):
368 mask = AIC31XX_HPLDRVPWRSTATUS_MASK;
369 break;
370 case WIDGET_BIT(AIC31XX_HPDRIVER, 6):
371 mask = AIC31XX_HPRDRVPWRSTATUS_MASK;
372 break;
373 case WIDGET_BIT(AIC31XX_SPKAMP, 7):
374 mask = AIC31XX_SPLDRVPWRSTATUS_MASK;
375 break;
376 case WIDGET_BIT(AIC31XX_SPKAMP, 6):
377 mask = AIC31XX_SPRDRVPWRSTATUS_MASK;
378 break;
379 case WIDGET_BIT(AIC31XX_ADCSETUP, 7):
380 mask = AIC31XX_ADCPWRSTATUS_MASK;
381 reg = AIC31XX_ADCFLAG;
382 break;
383 default:
384 dev_err(codec->dev, "Unknown widget '%s' calling %s\n",
385 w->name, __func__);
386 return -EINVAL;
387 }
388
389 switch (event) {
390 case SND_SOC_DAPM_POST_PMU:
391 return aic31xx_wait_bits(aic31xx, reg, mask, mask, 5000, 100);
392 case SND_SOC_DAPM_POST_PMD:
393 return aic31xx_wait_bits(aic31xx, reg, mask, 0, 5000, 100);
394 default:
395 dev_dbg(codec->dev,
396 "Unhandled dapm widget event %d from %s\n",
397 event, w->name);
398 }
399 return 0;
400 }
401
402 static const struct snd_kcontrol_new aic31xx_left_output_switches[] = {
403 SOC_DAPM_SINGLE("From Left DAC", AIC31XX_DACMIXERROUTE, 6, 1, 0),
404 SOC_DAPM_SINGLE("From MIC1LP", AIC31XX_DACMIXERROUTE, 5, 1, 0),
405 SOC_DAPM_SINGLE("From MIC1RP", AIC31XX_DACMIXERROUTE, 4, 1, 0),
406 };
407
408 static const struct snd_kcontrol_new aic31xx_right_output_switches[] = {
409 SOC_DAPM_SINGLE("From Right DAC", AIC31XX_DACMIXERROUTE, 2, 1, 0),
410 SOC_DAPM_SINGLE("From MIC1RP", AIC31XX_DACMIXERROUTE, 1, 1, 0),
411 };
412
413 static const struct snd_kcontrol_new dac31xx_left_output_switches[] = {
414 SOC_DAPM_SINGLE("From Left DAC", AIC31XX_DACMIXERROUTE, 6, 1, 0),
415 SOC_DAPM_SINGLE("From AIN1", AIC31XX_DACMIXERROUTE, 5, 1, 0),
416 SOC_DAPM_SINGLE("From AIN2", AIC31XX_DACMIXERROUTE, 4, 1, 0),
417 };
418
419 static const struct snd_kcontrol_new dac31xx_right_output_switches[] = {
420 SOC_DAPM_SINGLE("From Right DAC", AIC31XX_DACMIXERROUTE, 2, 1, 0),
421 SOC_DAPM_SINGLE("From AIN2", AIC31XX_DACMIXERROUTE, 1, 1, 0),
422 };
423
424 static const struct snd_kcontrol_new p_term_mic1lp =
425 SOC_DAPM_ENUM("MIC1LP P-Terminal", mic1lp_p_enum);
426
427 static const struct snd_kcontrol_new p_term_mic1rp =
428 SOC_DAPM_ENUM("MIC1RP P-Terminal", mic1rp_p_enum);
429
430 static const struct snd_kcontrol_new p_term_mic1lm =
431 SOC_DAPM_ENUM("MIC1LM P-Terminal", mic1lm_p_enum);
432
433 static const struct snd_kcontrol_new m_term_mic1lm =
434 SOC_DAPM_ENUM("MIC1LM M-Terminal", mic1lm_m_enum);
435
436 static const struct snd_kcontrol_new aic31xx_dapm_hpl_switch =
437 SOC_DAPM_SINGLE("Switch", AIC31XX_LANALOGHPL, 7, 1, 0);
438
439 static const struct snd_kcontrol_new aic31xx_dapm_hpr_switch =
440 SOC_DAPM_SINGLE("Switch", AIC31XX_RANALOGHPR, 7, 1, 0);
441
442 static const struct snd_kcontrol_new aic31xx_dapm_spl_switch =
443 SOC_DAPM_SINGLE("Switch", AIC31XX_LANALOGSPL, 7, 1, 0);
444
445 static const struct snd_kcontrol_new aic31xx_dapm_spr_switch =
446 SOC_DAPM_SINGLE("Switch", AIC31XX_RANALOGSPR, 7, 1, 0);
447
448 static int mic_bias_event(struct snd_soc_dapm_widget *w,
449 struct snd_kcontrol *kcontrol, int event)
450 {
451 struct snd_soc_codec *codec = snd_soc_dapm_to_codec(w->dapm);
452 struct aic31xx_priv *aic31xx = snd_soc_codec_get_drvdata(codec);
453
454 switch (event) {
455 case SND_SOC_DAPM_POST_PMU:
456 /* change mic bias voltage to user defined */
457 snd_soc_update_bits(codec, AIC31XX_MICBIAS,
458 AIC31XX_MICBIAS_MASK,
459 aic31xx->pdata.micbias_vg <<
460 AIC31XX_MICBIAS_SHIFT);
461 dev_dbg(codec->dev, "%s: turned on\n", __func__);
462 break;
463 case SND_SOC_DAPM_PRE_PMD:
464 /* turn mic bias off */
465 snd_soc_update_bits(codec, AIC31XX_MICBIAS,
466 AIC31XX_MICBIAS_MASK, 0);
467 dev_dbg(codec->dev, "%s: turned off\n", __func__);
468 break;
469 }
470 return 0;
471 }
472
473 static const struct snd_soc_dapm_widget common31xx_dapm_widgets[] = {
474 SND_SOC_DAPM_AIF_IN("DAC IN", "DAC Playback", 0, SND_SOC_NOPM, 0, 0),
475
476 SND_SOC_DAPM_MUX("DAC Left Input",
477 SND_SOC_NOPM, 0, 0, &ldac_in_control),
478 SND_SOC_DAPM_MUX("DAC Right Input",
479 SND_SOC_NOPM, 0, 0, &rdac_in_control),
480 /* DACs */
481 SND_SOC_DAPM_DAC_E("DAC Left", "Left Playback",
482 AIC31XX_DACSETUP, 7, 0, aic31xx_dapm_power_event,
483 SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD),
484
485 SND_SOC_DAPM_DAC_E("DAC Right", "Right Playback",
486 AIC31XX_DACSETUP, 6, 0, aic31xx_dapm_power_event,
487 SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD),
488
489 /* HP */
490 SND_SOC_DAPM_SWITCH("HP Left", SND_SOC_NOPM, 0, 0,
491 &aic31xx_dapm_hpl_switch),
492 SND_SOC_DAPM_SWITCH("HP Right", SND_SOC_NOPM, 0, 0,
493 &aic31xx_dapm_hpr_switch),
494
495 /* Output drivers */
496 SND_SOC_DAPM_OUT_DRV_E("HPL Driver", AIC31XX_HPDRIVER, 7, 0,
497 NULL, 0, aic31xx_dapm_power_event,
498 SND_SOC_DAPM_POST_PMD | SND_SOC_DAPM_POST_PMU),
499 SND_SOC_DAPM_OUT_DRV_E("HPR Driver", AIC31XX_HPDRIVER, 6, 0,
500 NULL, 0, aic31xx_dapm_power_event,
501 SND_SOC_DAPM_POST_PMD | SND_SOC_DAPM_POST_PMU),
502
503 /* Mic Bias */
504 SND_SOC_DAPM_SUPPLY("MICBIAS", SND_SOC_NOPM, 0, 0, mic_bias_event,
505 SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD),
506
507 /* Outputs */
508 SND_SOC_DAPM_OUTPUT("HPL"),
509 SND_SOC_DAPM_OUTPUT("HPR"),
510 };
511
512 static const struct snd_soc_dapm_widget dac31xx_dapm_widgets[] = {
513 /* Inputs */
514 SND_SOC_DAPM_INPUT("AIN1"),
515 SND_SOC_DAPM_INPUT("AIN2"),
516
517 /* Output Mixers */
518 SND_SOC_DAPM_MIXER("Output Left", SND_SOC_NOPM, 0, 0,
519 dac31xx_left_output_switches,
520 ARRAY_SIZE(dac31xx_left_output_switches)),
521 SND_SOC_DAPM_MIXER("Output Right", SND_SOC_NOPM, 0, 0,
522 dac31xx_right_output_switches,
523 ARRAY_SIZE(dac31xx_right_output_switches)),
524 };
525
526 static const struct snd_soc_dapm_widget aic31xx_dapm_widgets[] = {
527 /* Inputs */
528 SND_SOC_DAPM_INPUT("MIC1LP"),
529 SND_SOC_DAPM_INPUT("MIC1RP"),
530 SND_SOC_DAPM_INPUT("MIC1LM"),
531
532 /* Input Selection to MIC_PGA */
533 SND_SOC_DAPM_MUX("MIC1LP P-Terminal", SND_SOC_NOPM, 0, 0,
534 &p_term_mic1lp),
535 SND_SOC_DAPM_MUX("MIC1RP P-Terminal", SND_SOC_NOPM, 0, 0,
536 &p_term_mic1rp),
537 SND_SOC_DAPM_MUX("MIC1LM P-Terminal", SND_SOC_NOPM, 0, 0,
538 &p_term_mic1lm),
539
540 /* ADC */
541 SND_SOC_DAPM_ADC_E("ADC", "Capture", AIC31XX_ADCSETUP, 7, 0,
542 aic31xx_dapm_power_event, SND_SOC_DAPM_POST_PMU |
543 SND_SOC_DAPM_POST_PMD),
544
545 SND_SOC_DAPM_MUX("MIC1LM M-Terminal", SND_SOC_NOPM, 0, 0,
546 &m_term_mic1lm),
547
548 /* Enabling & Disabling MIC Gain Ctl */
549 SND_SOC_DAPM_PGA("MIC_GAIN_CTL", AIC31XX_MICPGA,
550 7, 1, NULL, 0),
551
552 /* Output Mixers */
553 SND_SOC_DAPM_MIXER("Output Left", SND_SOC_NOPM, 0, 0,
554 aic31xx_left_output_switches,
555 ARRAY_SIZE(aic31xx_left_output_switches)),
556 SND_SOC_DAPM_MIXER("Output Right", SND_SOC_NOPM, 0, 0,
557 aic31xx_right_output_switches,
558 ARRAY_SIZE(aic31xx_right_output_switches)),
559 };
560
561 static const struct snd_soc_dapm_widget aic311x_dapm_widgets[] = {
562 /* AIC3111 and AIC3110 have stereo class-D amplifier */
563 SND_SOC_DAPM_OUT_DRV_E("SPL ClassD", AIC31XX_SPKAMP, 7, 0, NULL, 0,
564 aic31xx_dapm_power_event, SND_SOC_DAPM_POST_PMU |
565 SND_SOC_DAPM_POST_PMD),
566 SND_SOC_DAPM_OUT_DRV_E("SPR ClassD", AIC31XX_SPKAMP, 6, 0, NULL, 0,
567 aic31xx_dapm_power_event, SND_SOC_DAPM_POST_PMU |
568 SND_SOC_DAPM_POST_PMD),
569 SND_SOC_DAPM_SWITCH("Speaker Left", SND_SOC_NOPM, 0, 0,
570 &aic31xx_dapm_spl_switch),
571 SND_SOC_DAPM_SWITCH("Speaker Right", SND_SOC_NOPM, 0, 0,
572 &aic31xx_dapm_spr_switch),
573 SND_SOC_DAPM_OUTPUT("SPL"),
574 SND_SOC_DAPM_OUTPUT("SPR"),
575 };
576
577 /* AIC3100 and AIC3120 have only mono class-D amplifier */
578 static const struct snd_soc_dapm_widget aic310x_dapm_widgets[] = {
579 SND_SOC_DAPM_OUT_DRV_E("SPK ClassD", AIC31XX_SPKAMP, 7, 0, NULL, 0,
580 aic31xx_dapm_power_event, SND_SOC_DAPM_POST_PMU |
581 SND_SOC_DAPM_POST_PMD),
582 SND_SOC_DAPM_SWITCH("Speaker", SND_SOC_NOPM, 0, 0,
583 &aic31xx_dapm_spl_switch),
584 SND_SOC_DAPM_OUTPUT("SPK"),
585 };
586
587 static const struct snd_soc_dapm_route
588 common31xx_audio_map[] = {
589 /* DAC Input Routing */
590 {"DAC Left Input", "Left Data", "DAC IN"},
591 {"DAC Left Input", "Right Data", "DAC IN"},
592 {"DAC Left Input", "Mono", "DAC IN"},
593 {"DAC Right Input", "Left Data", "DAC IN"},
594 {"DAC Right Input", "Right Data", "DAC IN"},
595 {"DAC Right Input", "Mono", "DAC IN"},
596 {"DAC Left", NULL, "DAC Left Input"},
597 {"DAC Right", NULL, "DAC Right Input"},
598
599 /* HPL path */
600 {"HP Left", "Switch", "Output Left"},
601 {"HPL Driver", NULL, "HP Left"},
602 {"HPL", NULL, "HPL Driver"},
603
604 /* HPR path */
605 {"HP Right", "Switch", "Output Right"},
606 {"HPR Driver", NULL, "HP Right"},
607 {"HPR", NULL, "HPR Driver"},
608 };
609
610 static const struct snd_soc_dapm_route
611 dac31xx_audio_map[] = {
612 /* Left Output */
613 {"Output Left", "From Left DAC", "DAC Left"},
614 {"Output Left", "From AIN1", "AIN1"},
615 {"Output Left", "From AIN2", "AIN2"},
616
617 /* Right Output */
618 {"Output Right", "From Right DAC", "DAC Right"},
619 {"Output Right", "From AIN2", "AIN2"},
620 };
621
622 static const struct snd_soc_dapm_route
623 aic31xx_audio_map[] = {
624 /* Mic input */
625 {"MIC1LP P-Terminal", "FFR 10 Ohm", "MIC1LP"},
626 {"MIC1LP P-Terminal", "FFR 20 Ohm", "MIC1LP"},
627 {"MIC1LP P-Terminal", "FFR 40 Ohm", "MIC1LP"},
628 {"MIC1RP P-Terminal", "FFR 10 Ohm", "MIC1RP"},
629 {"MIC1RP P-Terminal", "FFR 20 Ohm", "MIC1RP"},
630 {"MIC1RP P-Terminal", "FFR 40 Ohm", "MIC1RP"},
631 {"MIC1LM P-Terminal", "FFR 10 Ohm", "MIC1LM"},
632 {"MIC1LM P-Terminal", "FFR 20 Ohm", "MIC1LM"},
633 {"MIC1LM P-Terminal", "FFR 40 Ohm", "MIC1LM"},
634
635 {"MIC1LM M-Terminal", "FFR 10 Ohm", "MIC1LM"},
636 {"MIC1LM M-Terminal", "FFR 20 Ohm", "MIC1LM"},
637 {"MIC1LM M-Terminal", "FFR 40 Ohm", "MIC1LM"},
638
639 {"MIC_GAIN_CTL", NULL, "MIC1LP P-Terminal"},
640 {"MIC_GAIN_CTL", NULL, "MIC1RP P-Terminal"},
641 {"MIC_GAIN_CTL", NULL, "MIC1LM P-Terminal"},
642 {"MIC_GAIN_CTL", NULL, "MIC1LM M-Terminal"},
643
644 {"ADC", NULL, "MIC_GAIN_CTL"},
645
646 /* Left Output */
647 {"Output Left", "From Left DAC", "DAC Left"},
648 {"Output Left", "From MIC1LP", "MIC1LP"},
649 {"Output Left", "From MIC1RP", "MIC1RP"},
650
651 /* Right Output */
652 {"Output Right", "From Right DAC", "DAC Right"},
653 {"Output Right", "From MIC1RP", "MIC1RP"},
654 };
655
656 static const struct snd_soc_dapm_route
657 aic311x_audio_map[] = {
658 /* SP L path */
659 {"Speaker Left", "Switch", "Output Left"},
660 {"SPL ClassD", NULL, "Speaker Left"},
661 {"SPL", NULL, "SPL ClassD"},
662
663 /* SP R path */
664 {"Speaker Right", "Switch", "Output Right"},
665 {"SPR ClassD", NULL, "Speaker Right"},
666 {"SPR", NULL, "SPR ClassD"},
667 };
668
669 static const struct snd_soc_dapm_route
670 aic310x_audio_map[] = {
671 /* SP L path */
672 {"Speaker", "Switch", "Output Left"},
673 {"SPK ClassD", NULL, "Speaker"},
674 {"SPK", NULL, "SPK ClassD"},
675 };
676
677 static int aic31xx_add_controls(struct snd_soc_codec *codec)
678 {
679 int ret = 0;
680 struct aic31xx_priv *aic31xx = snd_soc_codec_get_drvdata(codec);
681
682 if (!(aic31xx->pdata.codec_type & DAC31XX_BIT))
683 ret = snd_soc_add_codec_controls(
684 codec, aic31xx_snd_controls,
685 ARRAY_SIZE(aic31xx_snd_controls));
686 if (ret)
687 return ret;
688
689 if (aic31xx->pdata.codec_type & AIC31XX_STEREO_CLASS_D_BIT)
690 ret = snd_soc_add_codec_controls(
691 codec, aic311x_snd_controls,
692 ARRAY_SIZE(aic311x_snd_controls));
693 else
694 ret = snd_soc_add_codec_controls(
695 codec, aic310x_snd_controls,
696 ARRAY_SIZE(aic310x_snd_controls));
697
698 return ret;
699 }
700
701 static int aic31xx_add_widgets(struct snd_soc_codec *codec)
702 {
703 struct snd_soc_dapm_context *dapm = snd_soc_codec_get_dapm(codec);
704 struct aic31xx_priv *aic31xx = snd_soc_codec_get_drvdata(codec);
705 int ret = 0;
706
707 if (aic31xx->pdata.codec_type & DAC31XX_BIT) {
708 ret = snd_soc_dapm_new_controls(
709 dapm, dac31xx_dapm_widgets,
710 ARRAY_SIZE(dac31xx_dapm_widgets));
711 if (ret)
712 return ret;
713
714 ret = snd_soc_dapm_add_routes(dapm, dac31xx_audio_map,
715 ARRAY_SIZE(dac31xx_audio_map));
716 if (ret)
717 return ret;
718 } else {
719 ret = snd_soc_dapm_new_controls(
720 dapm, aic31xx_dapm_widgets,
721 ARRAY_SIZE(aic31xx_dapm_widgets));
722 if (ret)
723 return ret;
724
725 ret = snd_soc_dapm_add_routes(dapm, aic31xx_audio_map,
726 ARRAY_SIZE(aic31xx_audio_map));
727 if (ret)
728 return ret;
729 }
730
731 if (aic31xx->pdata.codec_type & AIC31XX_STEREO_CLASS_D_BIT) {
732 ret = snd_soc_dapm_new_controls(
733 dapm, aic311x_dapm_widgets,
734 ARRAY_SIZE(aic311x_dapm_widgets));
735 if (ret)
736 return ret;
737
738 ret = snd_soc_dapm_add_routes(dapm, aic311x_audio_map,
739 ARRAY_SIZE(aic311x_audio_map));
740 if (ret)
741 return ret;
742 } else {
743 ret = snd_soc_dapm_new_controls(
744 dapm, aic310x_dapm_widgets,
745 ARRAY_SIZE(aic310x_dapm_widgets));
746 if (ret)
747 return ret;
748
749 ret = snd_soc_dapm_add_routes(dapm, aic310x_audio_map,
750 ARRAY_SIZE(aic310x_audio_map));
751 if (ret)
752 return ret;
753 }
754
755 return 0;
756 }
757
758 static int aic31xx_setup_pll(struct snd_soc_codec *codec,
759 struct snd_pcm_hw_params *params)
760 {
761 struct aic31xx_priv *aic31xx = snd_soc_codec_get_drvdata(codec);
762 int bclk_score = snd_soc_params_to_frame_size(params);
763 int mclk_p = aic31xx->sysclk / aic31xx->p_div;
764 int bclk_n = 0;
765 int match = -1;
766 int i;
767
768 /* Use PLL as CODEC_CLKIN and DAC_CLK as BDIV_CLKIN */
769 snd_soc_update_bits(codec, AIC31XX_CLKMUX,
770 AIC31XX_CODEC_CLKIN_MASK, AIC31XX_CODEC_CLKIN_PLL);
771 snd_soc_update_bits(codec, AIC31XX_IFACE2,
772 AIC31XX_BDIVCLK_MASK, AIC31XX_DAC2BCLK);
773
774 for (i = 0; i < ARRAY_SIZE(aic31xx_divs); i++) {
775 if (aic31xx_divs[i].rate == params_rate(params) &&
776 aic31xx_divs[i].mclk_p == mclk_p) {
777 int s = (aic31xx_divs[i].dosr * aic31xx_divs[i].mdac) %
778 snd_soc_params_to_frame_size(params);
779 int bn = (aic31xx_divs[i].dosr * aic31xx_divs[i].mdac) /
780 snd_soc_params_to_frame_size(params);
781 if (s < bclk_score && bn > 0) {
782 match = i;
783 bclk_n = bn;
784 bclk_score = s;
785 }
786 }
787 }
788
789 if (match == -1) {
790 dev_err(codec->dev,
791 "%s: Sample rate (%u) and format not supported\n",
792 __func__, params_rate(params));
793 /* See bellow for details how fix this. */
794 return -EINVAL;
795 }
796 if (bclk_score != 0) {
797 dev_warn(codec->dev, "Can not produce exact bitclock");
798 /* This is fine if using dsp format, but if using i2s
799 there may be trouble. To fix the issue edit the
800 aic31xx_divs table for your mclk and sample
801 rate. Details can be found from:
802 http://www.ti.com/lit/ds/symlink/tlv320aic3100.pdf
803 Section: 5.6 CLOCK Generation and PLL
804 */
805 }
806 i = match;
807
808 /* PLL configuration */
809 snd_soc_update_bits(codec, AIC31XX_PLLPR, AIC31XX_PLL_MASK,
810 (aic31xx->p_div << 4) | 0x01);
811 snd_soc_write(codec, AIC31XX_PLLJ, aic31xx_divs[i].pll_j);
812
813 snd_soc_write(codec, AIC31XX_PLLDMSB,
814 aic31xx_divs[i].pll_d >> 8);
815 snd_soc_write(codec, AIC31XX_PLLDLSB,
816 aic31xx_divs[i].pll_d & 0xff);
817
818 /* DAC dividers configuration */
819 snd_soc_update_bits(codec, AIC31XX_NDAC, AIC31XX_PLL_MASK,
820 aic31xx_divs[i].ndac);
821 snd_soc_update_bits(codec, AIC31XX_MDAC, AIC31XX_PLL_MASK,
822 aic31xx_divs[i].mdac);
823
824 snd_soc_write(codec, AIC31XX_DOSRMSB, aic31xx_divs[i].dosr >> 8);
825 snd_soc_write(codec, AIC31XX_DOSRLSB, aic31xx_divs[i].dosr & 0xff);
826
827 /* ADC dividers configuration. Write reset value 1 if not used. */
828 snd_soc_update_bits(codec, AIC31XX_NADC, AIC31XX_PLL_MASK,
829 aic31xx_divs[i].nadc ? aic31xx_divs[i].nadc : 1);
830 snd_soc_update_bits(codec, AIC31XX_MADC, AIC31XX_PLL_MASK,
831 aic31xx_divs[i].madc ? aic31xx_divs[i].madc : 1);
832
833 snd_soc_write(codec, AIC31XX_AOSR, aic31xx_divs[i].aosr);
834
835 /* Bit clock divider configuration. */
836 snd_soc_update_bits(codec, AIC31XX_BCLKN,
837 AIC31XX_PLL_MASK, bclk_n);
838
839 aic31xx->rate_div_line = i;
840
841 dev_dbg(codec->dev,
842 "pll %d.%04d/%d dosr %d n %d m %d aosr %d n %d m %d bclk_n %d\n",
843 aic31xx_divs[i].pll_j, aic31xx_divs[i].pll_d,
844 aic31xx->p_div, aic31xx_divs[i].dosr,
845 aic31xx_divs[i].ndac, aic31xx_divs[i].mdac,
846 aic31xx_divs[i].aosr, aic31xx_divs[i].nadc,
847 aic31xx_divs[i].madc, bclk_n);
848
849 return 0;
850 }
851
852 static int aic31xx_hw_params(struct snd_pcm_substream *substream,
853 struct snd_pcm_hw_params *params,
854 struct snd_soc_dai *dai)
855 {
856 struct snd_soc_codec *codec = dai->codec;
857 u8 data = 0;
858
859 dev_dbg(codec->dev, "## %s: width %d rate %d\n",
860 __func__, params_width(params),
861 params_rate(params));
862
863 switch (params_width(params)) {
864 case 16:
865 break;
866 case 20:
867 data = (AIC31XX_WORD_LEN_20BITS <<
868 AIC31XX_IFACE1_DATALEN_SHIFT);
869 break;
870 case 24:
871 data = (AIC31XX_WORD_LEN_24BITS <<
872 AIC31XX_IFACE1_DATALEN_SHIFT);
873 break;
874 case 32:
875 data = (AIC31XX_WORD_LEN_32BITS <<
876 AIC31XX_IFACE1_DATALEN_SHIFT);
877 break;
878 default:
879 dev_err(codec->dev, "%s: Unsupported width %d\n",
880 __func__, params_width(params));
881 return -EINVAL;
882 }
883
884 snd_soc_update_bits(codec, AIC31XX_IFACE1,
885 AIC31XX_IFACE1_DATALEN_MASK,
886 data);
887
888 return aic31xx_setup_pll(codec, params);
889 }
890
891 static int aic31xx_dac_mute(struct snd_soc_dai *codec_dai, int mute)
892 {
893 struct snd_soc_codec *codec = codec_dai->codec;
894
895 if (mute) {
896 snd_soc_update_bits(codec, AIC31XX_DACMUTE,
897 AIC31XX_DACMUTE_MASK,
898 AIC31XX_DACMUTE_MASK);
899 } else {
900 snd_soc_update_bits(codec, AIC31XX_DACMUTE,
901 AIC31XX_DACMUTE_MASK, 0x0);
902 }
903
904 return 0;
905 }
906
907 static int aic31xx_set_dai_fmt(struct snd_soc_dai *codec_dai,
908 unsigned int fmt)
909 {
910 struct snd_soc_codec *codec = codec_dai->codec;
911 u8 iface_reg1 = 0;
912 u8 iface_reg2 = 0;
913 u8 dsp_a_val = 0;
914
915 dev_dbg(codec->dev, "## %s: fmt = 0x%x\n", __func__, fmt);
916
917 /* set master/slave audio interface */
918 switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
919 case SND_SOC_DAIFMT_CBM_CFM:
920 iface_reg1 |= AIC31XX_BCLK_MASTER | AIC31XX_WCLK_MASTER;
921 break;
922 default:
923 dev_alert(codec->dev, "Invalid DAI master/slave interface\n");
924 return -EINVAL;
925 }
926
927 /* interface format */
928 switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
929 case SND_SOC_DAIFMT_I2S:
930 break;
931 case SND_SOC_DAIFMT_DSP_A:
932 dsp_a_val = 0x1;
933 case SND_SOC_DAIFMT_DSP_B:
934 /* NOTE: BCLKINV bit value 1 equas NB and 0 equals IB */
935 switch (fmt & SND_SOC_DAIFMT_INV_MASK) {
936 case SND_SOC_DAIFMT_NB_NF:
937 iface_reg2 |= AIC31XX_BCLKINV_MASK;
938 break;
939 case SND_SOC_DAIFMT_IB_NF:
940 break;
941 default:
942 return -EINVAL;
943 }
944 iface_reg1 |= (AIC31XX_DSP_MODE <<
945 AIC31XX_IFACE1_DATATYPE_SHIFT);
946 break;
947 case SND_SOC_DAIFMT_RIGHT_J:
948 iface_reg1 |= (AIC31XX_RIGHT_JUSTIFIED_MODE <<
949 AIC31XX_IFACE1_DATATYPE_SHIFT);
950 break;
951 case SND_SOC_DAIFMT_LEFT_J:
952 iface_reg1 |= (AIC31XX_LEFT_JUSTIFIED_MODE <<
953 AIC31XX_IFACE1_DATATYPE_SHIFT);
954 break;
955 default:
956 dev_err(codec->dev, "Invalid DAI interface format\n");
957 return -EINVAL;
958 }
959
960 snd_soc_update_bits(codec, AIC31XX_IFACE1,
961 AIC31XX_IFACE1_DATATYPE_MASK |
962 AIC31XX_IFACE1_MASTER_MASK,
963 iface_reg1);
964 snd_soc_update_bits(codec, AIC31XX_DATA_OFFSET,
965 AIC31XX_DATA_OFFSET_MASK,
966 dsp_a_val);
967 snd_soc_update_bits(codec, AIC31XX_IFACE2,
968 AIC31XX_BCLKINV_MASK,
969 iface_reg2);
970
971 return 0;
972 }
973
974 static int aic31xx_set_dai_sysclk(struct snd_soc_dai *codec_dai,
975 int clk_id, unsigned int freq, int dir)
976 {
977 struct snd_soc_codec *codec = codec_dai->codec;
978 struct aic31xx_priv *aic31xx = snd_soc_codec_get_drvdata(codec);
979 int i;
980
981 dev_dbg(codec->dev, "## %s: clk_id = %d, freq = %d, dir = %d\n",
982 __func__, clk_id, freq, dir);
983
984 for (i = 1; freq/i > 20000000 && i < 8; i++)
985 ;
986 if (freq/i > 20000000) {
987 dev_err(aic31xx->dev, "%s: Too high mclk frequency %u\n",
988 __func__, freq);
989 return -EINVAL;
990 }
991 aic31xx->p_div = i;
992
993 for (i = 0; i < ARRAY_SIZE(aic31xx_divs) &&
994 aic31xx_divs[i].mclk_p != freq/aic31xx->p_div; i++)
995 ;
996 if (i == ARRAY_SIZE(aic31xx_divs)) {
997 dev_err(aic31xx->dev, "%s: Unsupported frequency %d\n",
998 __func__, freq);
999 return -EINVAL;
1000 }
1001
1002 /* set clock on MCLK, BCLK, or GPIO1 as PLL input */
1003 snd_soc_update_bits(codec, AIC31XX_CLKMUX, AIC31XX_PLL_CLKIN_MASK,
1004 clk_id << AIC31XX_PLL_CLKIN_SHIFT);
1005
1006 aic31xx->sysclk = freq;
1007 return 0;
1008 }
1009
1010 static int aic31xx_regulator_event(struct notifier_block *nb,
1011 unsigned long event, void *data)
1012 {
1013 struct aic31xx_disable_nb *disable_nb =
1014 container_of(nb, struct aic31xx_disable_nb, nb);
1015 struct aic31xx_priv *aic31xx = disable_nb->aic31xx;
1016
1017 if (event & REGULATOR_EVENT_DISABLE) {
1018 /*
1019 * Put codec to reset and as at least one of the
1020 * supplies was disabled.
1021 */
1022 if (gpio_is_valid(aic31xx->pdata.gpio_reset))
1023 gpio_set_value(aic31xx->pdata.gpio_reset, 0);
1024
1025 regcache_mark_dirty(aic31xx->regmap);
1026 dev_dbg(aic31xx->dev, "## %s: DISABLE received\n", __func__);
1027 }
1028
1029 return 0;
1030 }
1031
1032 static void aic31xx_clk_on(struct snd_soc_codec *codec)
1033 {
1034 struct aic31xx_priv *aic31xx = snd_soc_codec_get_drvdata(codec);
1035 u8 mask = AIC31XX_PM_MASK;
1036 u8 on = AIC31XX_PM_MASK;
1037
1038 dev_dbg(codec->dev, "codec clock -> on (rate %d)\n",
1039 aic31xx_divs[aic31xx->rate_div_line].rate);
1040 snd_soc_update_bits(codec, AIC31XX_PLLPR, mask, on);
1041 mdelay(10);
1042 snd_soc_update_bits(codec, AIC31XX_NDAC, mask, on);
1043 snd_soc_update_bits(codec, AIC31XX_MDAC, mask, on);
1044 if (aic31xx_divs[aic31xx->rate_div_line].nadc)
1045 snd_soc_update_bits(codec, AIC31XX_NADC, mask, on);
1046 if (aic31xx_divs[aic31xx->rate_div_line].madc)
1047 snd_soc_update_bits(codec, AIC31XX_MADC, mask, on);
1048 snd_soc_update_bits(codec, AIC31XX_BCLKN, mask, on);
1049 }
1050
1051 static void aic31xx_clk_off(struct snd_soc_codec *codec)
1052 {
1053 u8 mask = AIC31XX_PM_MASK;
1054 u8 off = 0;
1055
1056 dev_dbg(codec->dev, "codec clock -> off\n");
1057 snd_soc_update_bits(codec, AIC31XX_BCLKN, mask, off);
1058 snd_soc_update_bits(codec, AIC31XX_MADC, mask, off);
1059 snd_soc_update_bits(codec, AIC31XX_NADC, mask, off);
1060 snd_soc_update_bits(codec, AIC31XX_MDAC, mask, off);
1061 snd_soc_update_bits(codec, AIC31XX_NDAC, mask, off);
1062 snd_soc_update_bits(codec, AIC31XX_PLLPR, mask, off);
1063 }
1064
1065 static int aic31xx_power_on(struct snd_soc_codec *codec)
1066 {
1067 struct aic31xx_priv *aic31xx = snd_soc_codec_get_drvdata(codec);
1068 int ret = 0;
1069
1070 ret = regulator_bulk_enable(ARRAY_SIZE(aic31xx->supplies),
1071 aic31xx->supplies);
1072 if (ret)
1073 return ret;
1074
1075 if (gpio_is_valid(aic31xx->pdata.gpio_reset)) {
1076 gpio_set_value(aic31xx->pdata.gpio_reset, 1);
1077 udelay(100);
1078 }
1079 regcache_cache_only(aic31xx->regmap, false);
1080 ret = regcache_sync(aic31xx->regmap);
1081 if (ret != 0) {
1082 dev_err(codec->dev,
1083 "Failed to restore cache: %d\n", ret);
1084 regcache_cache_only(aic31xx->regmap, true);
1085 regulator_bulk_disable(ARRAY_SIZE(aic31xx->supplies),
1086 aic31xx->supplies);
1087 return ret;
1088 }
1089 return 0;
1090 }
1091
1092 static int aic31xx_power_off(struct snd_soc_codec *codec)
1093 {
1094 struct aic31xx_priv *aic31xx = snd_soc_codec_get_drvdata(codec);
1095 int ret = 0;
1096
1097 regcache_cache_only(aic31xx->regmap, true);
1098 ret = regulator_bulk_disable(ARRAY_SIZE(aic31xx->supplies),
1099 aic31xx->supplies);
1100
1101 return ret;
1102 }
1103
1104 static int aic31xx_set_bias_level(struct snd_soc_codec *codec,
1105 enum snd_soc_bias_level level)
1106 {
1107 dev_dbg(codec->dev, "## %s: %d -> %d\n", __func__,
1108 snd_soc_codec_get_bias_level(codec), level);
1109
1110 switch (level) {
1111 case SND_SOC_BIAS_ON:
1112 break;
1113 case SND_SOC_BIAS_PREPARE:
1114 if (snd_soc_codec_get_bias_level(codec) == SND_SOC_BIAS_STANDBY)
1115 aic31xx_clk_on(codec);
1116 break;
1117 case SND_SOC_BIAS_STANDBY:
1118 switch (snd_soc_codec_get_bias_level(codec)) {
1119 case SND_SOC_BIAS_OFF:
1120 aic31xx_power_on(codec);
1121 break;
1122 case SND_SOC_BIAS_PREPARE:
1123 aic31xx_clk_off(codec);
1124 break;
1125 default:
1126 BUG();
1127 }
1128 break;
1129 case SND_SOC_BIAS_OFF:
1130 if (snd_soc_codec_get_bias_level(codec) == SND_SOC_BIAS_STANDBY)
1131 aic31xx_power_off(codec);
1132 break;
1133 }
1134
1135 return 0;
1136 }
1137
1138 static int aic31xx_codec_probe(struct snd_soc_codec *codec)
1139 {
1140 int ret = 0;
1141 struct aic31xx_priv *aic31xx = snd_soc_codec_get_drvdata(codec);
1142 int i;
1143
1144 dev_dbg(aic31xx->dev, "## %s\n", __func__);
1145
1146 aic31xx = snd_soc_codec_get_drvdata(codec);
1147
1148 aic31xx->codec = codec;
1149
1150 for (i = 0; i < ARRAY_SIZE(aic31xx->supplies); i++) {
1151 aic31xx->disable_nb[i].nb.notifier_call =
1152 aic31xx_regulator_event;
1153 aic31xx->disable_nb[i].aic31xx = aic31xx;
1154 ret = regulator_register_notifier(aic31xx->supplies[i].consumer,
1155 &aic31xx->disable_nb[i].nb);
1156 if (ret) {
1157 dev_err(codec->dev,
1158 "Failed to request regulator notifier: %d\n",
1159 ret);
1160 return ret;
1161 }
1162 }
1163
1164 regcache_cache_only(aic31xx->regmap, true);
1165 regcache_mark_dirty(aic31xx->regmap);
1166
1167 ret = aic31xx_add_controls(codec);
1168 if (ret)
1169 return ret;
1170
1171 ret = aic31xx_add_widgets(codec);
1172
1173 return ret;
1174 }
1175
1176 static int aic31xx_codec_remove(struct snd_soc_codec *codec)
1177 {
1178 struct aic31xx_priv *aic31xx = snd_soc_codec_get_drvdata(codec);
1179 int i;
1180
1181 for (i = 0; i < ARRAY_SIZE(aic31xx->supplies); i++)
1182 regulator_unregister_notifier(aic31xx->supplies[i].consumer,
1183 &aic31xx->disable_nb[i].nb);
1184
1185 return 0;
1186 }
1187
1188 static const struct snd_soc_codec_driver soc_codec_driver_aic31xx = {
1189 .probe = aic31xx_codec_probe,
1190 .remove = aic31xx_codec_remove,
1191 .set_bias_level = aic31xx_set_bias_level,
1192 .suspend_bias_off = true,
1193
1194 .component_driver = {
1195 .controls = common31xx_snd_controls,
1196 .num_controls = ARRAY_SIZE(common31xx_snd_controls),
1197 .dapm_widgets = common31xx_dapm_widgets,
1198 .num_dapm_widgets = ARRAY_SIZE(common31xx_dapm_widgets),
1199 .dapm_routes = common31xx_audio_map,
1200 .num_dapm_routes = ARRAY_SIZE(common31xx_audio_map),
1201 },
1202 };
1203
1204 static const struct snd_soc_dai_ops aic31xx_dai_ops = {
1205 .hw_params = aic31xx_hw_params,
1206 .set_sysclk = aic31xx_set_dai_sysclk,
1207 .set_fmt = aic31xx_set_dai_fmt,
1208 .digital_mute = aic31xx_dac_mute,
1209 };
1210
1211 static struct snd_soc_dai_driver dac31xx_dai_driver[] = {
1212 {
1213 .name = "tlv320dac31xx-hifi",
1214 .playback = {
1215 .stream_name = "Playback",
1216 .channels_min = 2,
1217 .channels_max = 2,
1218 .rates = AIC31XX_RATES,
1219 .formats = AIC31XX_FORMATS,
1220 },
1221 .ops = &aic31xx_dai_ops,
1222 .symmetric_rates = 1,
1223 }
1224 };
1225
1226 static struct snd_soc_dai_driver aic31xx_dai_driver[] = {
1227 {
1228 .name = "tlv320aic31xx-hifi",
1229 .playback = {
1230 .stream_name = "Playback",
1231 .channels_min = 2,
1232 .channels_max = 2,
1233 .rates = AIC31XX_RATES,
1234 .formats = AIC31XX_FORMATS,
1235 },
1236 .capture = {
1237 .stream_name = "Capture",
1238 .channels_min = 2,
1239 .channels_max = 2,
1240 .rates = AIC31XX_RATES,
1241 .formats = AIC31XX_FORMATS,
1242 },
1243 .ops = &aic31xx_dai_ops,
1244 .symmetric_rates = 1,
1245 }
1246 };
1247
1248 #if defined(CONFIG_OF)
1249 static const struct of_device_id tlv320aic31xx_of_match[] = {
1250 { .compatible = "ti,tlv320aic310x" },
1251 { .compatible = "ti,tlv320aic311x" },
1252 { .compatible = "ti,tlv320aic3100" },
1253 { .compatible = "ti,tlv320aic3110" },
1254 { .compatible = "ti,tlv320aic3120" },
1255 { .compatible = "ti,tlv320aic3111" },
1256 { .compatible = "ti,tlv320dac3100" },
1257 { .compatible = "ti,tlv320dac3101" },
1258 {},
1259 };
1260 MODULE_DEVICE_TABLE(of, tlv320aic31xx_of_match);
1261
1262 static void aic31xx_pdata_from_of(struct aic31xx_priv *aic31xx)
1263 {
1264 struct device_node *np = aic31xx->dev->of_node;
1265 unsigned int value = MICBIAS_2_0V;
1266 int ret;
1267
1268 of_property_read_u32(np, "ai31xx-micbias-vg", &value);
1269 switch (value) {
1270 case MICBIAS_2_0V:
1271 case MICBIAS_2_5V:
1272 case MICBIAS_AVDDV:
1273 aic31xx->pdata.micbias_vg = value;
1274 break;
1275 default:
1276 dev_err(aic31xx->dev,
1277 "Bad ai31xx-micbias-vg value %d DT\n",
1278 value);
1279 aic31xx->pdata.micbias_vg = MICBIAS_2_0V;
1280 }
1281
1282 ret = of_get_named_gpio(np, "gpio-reset", 0);
1283 if (ret > 0)
1284 aic31xx->pdata.gpio_reset = ret;
1285 }
1286 #else /* CONFIG_OF */
1287 static void aic31xx_pdata_from_of(struct aic31xx_priv *aic31xx)
1288 {
1289 }
1290 #endif /* CONFIG_OF */
1291
1292 static int aic31xx_device_init(struct aic31xx_priv *aic31xx)
1293 {
1294 int ret, i;
1295
1296 dev_set_drvdata(aic31xx->dev, aic31xx);
1297
1298 if (dev_get_platdata(aic31xx->dev))
1299 memcpy(&aic31xx->pdata, dev_get_platdata(aic31xx->dev),
1300 sizeof(aic31xx->pdata));
1301 else if (aic31xx->dev->of_node)
1302 aic31xx_pdata_from_of(aic31xx);
1303
1304 if (aic31xx->pdata.gpio_reset) {
1305 ret = devm_gpio_request_one(aic31xx->dev,
1306 aic31xx->pdata.gpio_reset,
1307 GPIOF_OUT_INIT_HIGH,
1308 "aic31xx-reset-pin");
1309 if (ret < 0) {
1310 dev_err(aic31xx->dev, "not able to acquire gpio\n");
1311 return ret;
1312 }
1313 }
1314
1315 for (i = 0; i < ARRAY_SIZE(aic31xx->supplies); i++)
1316 aic31xx->supplies[i].supply = aic31xx_supply_names[i];
1317
1318 ret = devm_regulator_bulk_get(aic31xx->dev,
1319 ARRAY_SIZE(aic31xx->supplies),
1320 aic31xx->supplies);
1321 if (ret != 0)
1322 dev_err(aic31xx->dev, "Failed to request supplies: %d\n", ret);
1323
1324 return ret;
1325 }
1326
1327 static int aic31xx_i2c_probe(struct i2c_client *i2c,
1328 const struct i2c_device_id *id)
1329 {
1330 struct aic31xx_priv *aic31xx;
1331 int ret;
1332 const struct regmap_config *regmap_config;
1333
1334 dev_dbg(&i2c->dev, "## %s: %s codec_type = %d\n", __func__,
1335 id->name, (int) id->driver_data);
1336
1337 regmap_config = &aic31xx_i2c_regmap;
1338
1339 aic31xx = devm_kzalloc(&i2c->dev, sizeof(*aic31xx), GFP_KERNEL);
1340 if (aic31xx == NULL)
1341 return -ENOMEM;
1342
1343 aic31xx->regmap = devm_regmap_init_i2c(i2c, regmap_config);
1344 if (IS_ERR(aic31xx->regmap)) {
1345 ret = PTR_ERR(aic31xx->regmap);
1346 dev_err(&i2c->dev, "Failed to allocate register map: %d\n",
1347 ret);
1348 return ret;
1349 }
1350 aic31xx->dev = &i2c->dev;
1351
1352 aic31xx->pdata.codec_type = id->driver_data;
1353
1354 ret = aic31xx_device_init(aic31xx);
1355 if (ret)
1356 return ret;
1357
1358 if (aic31xx->pdata.codec_type & DAC31XX_BIT)
1359 return snd_soc_register_codec(&i2c->dev,
1360 &soc_codec_driver_aic31xx,
1361 dac31xx_dai_driver,
1362 ARRAY_SIZE(dac31xx_dai_driver));
1363 else
1364 return snd_soc_register_codec(&i2c->dev,
1365 &soc_codec_driver_aic31xx,
1366 aic31xx_dai_driver,
1367 ARRAY_SIZE(aic31xx_dai_driver));
1368 }
1369
1370 static int aic31xx_i2c_remove(struct i2c_client *i2c)
1371 {
1372 snd_soc_unregister_codec(&i2c->dev);
1373 return 0;
1374 }
1375
1376 static const struct i2c_device_id aic31xx_i2c_id[] = {
1377 { "tlv320aic310x", AIC3100 },
1378 { "tlv320aic311x", AIC3110 },
1379 { "tlv320aic3100", AIC3100 },
1380 { "tlv320aic3110", AIC3110 },
1381 { "tlv320aic3120", AIC3120 },
1382 { "tlv320aic3111", AIC3111 },
1383 { "tlv320dac3100", DAC3100 },
1384 { "tlv320dac3101", DAC3101 },
1385 { }
1386 };
1387 MODULE_DEVICE_TABLE(i2c, aic31xx_i2c_id);
1388
1389 #ifdef CONFIG_ACPI
1390 static const struct acpi_device_id aic31xx_acpi_match[] = {
1391 { "10TI3100", 0 },
1392 { }
1393 };
1394 MODULE_DEVICE_TABLE(acpi, aic31xx_acpi_match);
1395 #endif
1396
1397 static struct i2c_driver aic31xx_i2c_driver = {
1398 .driver = {
1399 .name = "tlv320aic31xx-codec",
1400 .of_match_table = of_match_ptr(tlv320aic31xx_of_match),
1401 .acpi_match_table = ACPI_PTR(aic31xx_acpi_match),
1402 },
1403 .probe = aic31xx_i2c_probe,
1404 .remove = aic31xx_i2c_remove,
1405 .id_table = aic31xx_i2c_id,
1406 };
1407
1408 module_i2c_driver(aic31xx_i2c_driver);
1409
1410 MODULE_DESCRIPTION("ASoC TLV320AIC3111 codec driver");
1411 MODULE_AUTHOR("Jyri Sarha");
1412 MODULE_LICENSE("GPL");
Linux with added FPC-III support