2 * wm8903.c -- WM8903 ALSA SoC Audio driver
4 * Copyright 2008-12 Wolfson Microelectronics
5 * Copyright 2011-2012 NVIDIA, Inc.
7 * Author: Mark Brown <broonie@opensource.wolfsonmicro.com>
9 * This program is free software; you can redistribute it and/or modify
10 * it under the terms of the GNU General Public License version 2 as
11 * published by the Free Software Foundation.
14 * - TDM mode configuration.
15 * - Digital microphone support.
18 #include <linux/module.h>
19 #include <linux/moduleparam.h>
20 #include <linux/init.h>
21 #include <linux/completion.h>
22 #include <linux/delay.h>
23 #include <linux/gpio.h>
25 #include <linux/i2c.h>
26 #include <linux/regmap.h>
27 #include <linux/slab.h>
28 #include <linux/irq.h>
29 #include <sound/core.h>
30 #include <sound/jack.h>
31 #include <sound/pcm.h>
32 #include <sound/pcm_params.h>
33 #include <sound/tlv.h>
34 #include <sound/soc.h>
35 #include <sound/initval.h>
36 #include <sound/wm8903.h>
37 #include <trace/events/asoc.h>
41 /* Register defaults at reset */
42 static const struct reg_default wm8903_reg_defaults[] = {
43 { 4, 0x0018 }, /* R4 - Bias Control 0 */
44 { 5, 0x0000 }, /* R5 - VMID Control 0 */
45 { 6, 0x0000 }, /* R6 - Mic Bias Control 0 */
46 { 8, 0x0001 }, /* R8 - Analogue DAC 0 */
47 { 10, 0x0001 }, /* R10 - Analogue ADC 0 */
48 { 12, 0x0000 }, /* R12 - Power Management 0 */
49 { 13, 0x0000 }, /* R13 - Power Management 1 */
50 { 14, 0x0000 }, /* R14 - Power Management 2 */
51 { 15, 0x0000 }, /* R15 - Power Management 3 */
52 { 16, 0x0000 }, /* R16 - Power Management 4 */
53 { 17, 0x0000 }, /* R17 - Power Management 5 */
54 { 18, 0x0000 }, /* R18 - Power Management 6 */
55 { 20, 0x0400 }, /* R20 - Clock Rates 0 */
56 { 21, 0x0D07 }, /* R21 - Clock Rates 1 */
57 { 22, 0x0000 }, /* R22 - Clock Rates 2 */
58 { 24, 0x0050 }, /* R24 - Audio Interface 0 */
59 { 25, 0x0242 }, /* R25 - Audio Interface 1 */
60 { 26, 0x0008 }, /* R26 - Audio Interface 2 */
61 { 27, 0x0022 }, /* R27 - Audio Interface 3 */
62 { 30, 0x00C0 }, /* R30 - DAC Digital Volume Left */
63 { 31, 0x00C0 }, /* R31 - DAC Digital Volume Right */
64 { 32, 0x0000 }, /* R32 - DAC Digital 0 */
65 { 33, 0x0000 }, /* R33 - DAC Digital 1 */
66 { 36, 0x00C0 }, /* R36 - ADC Digital Volume Left */
67 { 37, 0x00C0 }, /* R37 - ADC Digital Volume Right */
68 { 38, 0x0000 }, /* R38 - ADC Digital 0 */
69 { 39, 0x0073 }, /* R39 - Digital Microphone 0 */
70 { 40, 0x09BF }, /* R40 - DRC 0 */
71 { 41, 0x3241 }, /* R41 - DRC 1 */
72 { 42, 0x0020 }, /* R42 - DRC 2 */
73 { 43, 0x0000 }, /* R43 - DRC 3 */
74 { 44, 0x0085 }, /* R44 - Analogue Left Input 0 */
75 { 45, 0x0085 }, /* R45 - Analogue Right Input 0 */
76 { 46, 0x0044 }, /* R46 - Analogue Left Input 1 */
77 { 47, 0x0044 }, /* R47 - Analogue Right Input 1 */
78 { 50, 0x0008 }, /* R50 - Analogue Left Mix 0 */
79 { 51, 0x0004 }, /* R51 - Analogue Right Mix 0 */
80 { 52, 0x0000 }, /* R52 - Analogue Spk Mix Left 0 */
81 { 53, 0x0000 }, /* R53 - Analogue Spk Mix Left 1 */
82 { 54, 0x0000 }, /* R54 - Analogue Spk Mix Right 0 */
83 { 55, 0x0000 }, /* R55 - Analogue Spk Mix Right 1 */
84 { 57, 0x002D }, /* R57 - Analogue OUT1 Left */
85 { 58, 0x002D }, /* R58 - Analogue OUT1 Right */
86 { 59, 0x0039 }, /* R59 - Analogue OUT2 Left */
87 { 60, 0x0039 }, /* R60 - Analogue OUT2 Right */
88 { 62, 0x0139 }, /* R62 - Analogue OUT3 Left */
89 { 63, 0x0139 }, /* R63 - Analogue OUT3 Right */
90 { 64, 0x0000 }, /* R65 - Analogue SPK Output Control 0 */
91 { 67, 0x0010 }, /* R67 - DC Servo 0 */
92 { 69, 0x00A4 }, /* R69 - DC Servo 2 */
93 { 90, 0x0000 }, /* R90 - Analogue HP 0 */
94 { 94, 0x0000 }, /* R94 - Analogue Lineout 0 */
95 { 98, 0x0000 }, /* R98 - Charge Pump 0 */
96 { 104, 0x0000 }, /* R104 - Class W 0 */
97 { 108, 0x0000 }, /* R108 - Write Sequencer 0 */
98 { 109, 0x0000 }, /* R109 - Write Sequencer 1 */
99 { 110, 0x0000 }, /* R110 - Write Sequencer 2 */
100 { 111, 0x0000 }, /* R111 - Write Sequencer 3 */
101 { 112, 0x0000 }, /* R112 - Write Sequencer 4 */
102 { 114, 0x0000 }, /* R114 - Control Interface */
103 { 116, 0x00A8 }, /* R116 - GPIO Control 1 */
104 { 117, 0x00A8 }, /* R117 - GPIO Control 2 */
105 { 118, 0x00A8 }, /* R118 - GPIO Control 3 */
106 { 119, 0x0220 }, /* R119 - GPIO Control 4 */
107 { 120, 0x01A0 }, /* R120 - GPIO Control 5 */
108 { 122, 0xFFFF }, /* R122 - Interrupt Status 1 Mask */
109 { 123, 0x0000 }, /* R123 - Interrupt Polarity 1 */
110 { 126, 0x0000 }, /* R126 - Interrupt Control */
111 { 129, 0x0000 }, /* R129 - Control Interface Test 1 */
112 { 149, 0x6810 }, /* R149 - Charge Pump Test 1 */
113 { 164, 0x0028 }, /* R164 - Clock Rate Test 4 */
114 { 172, 0x0000 }, /* R172 - Analogue Output Bias 0 */
118 struct wm8903_platform_data *pdata;
120 struct snd_soc_codec *codec;
121 struct regmap *regmap;
132 /* Reference count */
135 struct snd_soc_jack *mic_jack;
141 #ifdef CONFIG_GPIOLIB
142 struct gpio_chip gpio_chip;
146 static bool wm8903_readable_register(struct device *dev, unsigned int reg)
149 case WM8903_SW_RESET_AND_ID:
150 case WM8903_REVISION_NUMBER:
151 case WM8903_BIAS_CONTROL_0:
152 case WM8903_VMID_CONTROL_0:
153 case WM8903_MIC_BIAS_CONTROL_0:
154 case WM8903_ANALOGUE_DAC_0:
155 case WM8903_ANALOGUE_ADC_0:
156 case WM8903_POWER_MANAGEMENT_0:
157 case WM8903_POWER_MANAGEMENT_1:
158 case WM8903_POWER_MANAGEMENT_2:
159 case WM8903_POWER_MANAGEMENT_3:
160 case WM8903_POWER_MANAGEMENT_4:
161 case WM8903_POWER_MANAGEMENT_5:
162 case WM8903_POWER_MANAGEMENT_6:
163 case WM8903_CLOCK_RATES_0:
164 case WM8903_CLOCK_RATES_1:
165 case WM8903_CLOCK_RATES_2:
166 case WM8903_AUDIO_INTERFACE_0:
167 case WM8903_AUDIO_INTERFACE_1:
168 case WM8903_AUDIO_INTERFACE_2:
169 case WM8903_AUDIO_INTERFACE_3:
170 case WM8903_DAC_DIGITAL_VOLUME_LEFT:
171 case WM8903_DAC_DIGITAL_VOLUME_RIGHT:
172 case WM8903_DAC_DIGITAL_0:
173 case WM8903_DAC_DIGITAL_1:
174 case WM8903_ADC_DIGITAL_VOLUME_LEFT:
175 case WM8903_ADC_DIGITAL_VOLUME_RIGHT:
176 case WM8903_ADC_DIGITAL_0:
177 case WM8903_DIGITAL_MICROPHONE_0:
182 case WM8903_ANALOGUE_LEFT_INPUT_0:
183 case WM8903_ANALOGUE_RIGHT_INPUT_0:
184 case WM8903_ANALOGUE_LEFT_INPUT_1:
185 case WM8903_ANALOGUE_RIGHT_INPUT_1:
186 case WM8903_ANALOGUE_LEFT_MIX_0:
187 case WM8903_ANALOGUE_RIGHT_MIX_0:
188 case WM8903_ANALOGUE_SPK_MIX_LEFT_0:
189 case WM8903_ANALOGUE_SPK_MIX_LEFT_1:
190 case WM8903_ANALOGUE_SPK_MIX_RIGHT_0:
191 case WM8903_ANALOGUE_SPK_MIX_RIGHT_1:
192 case WM8903_ANALOGUE_OUT1_LEFT:
193 case WM8903_ANALOGUE_OUT1_RIGHT:
194 case WM8903_ANALOGUE_OUT2_LEFT:
195 case WM8903_ANALOGUE_OUT2_RIGHT:
196 case WM8903_ANALOGUE_OUT3_LEFT:
197 case WM8903_ANALOGUE_OUT3_RIGHT:
198 case WM8903_ANALOGUE_SPK_OUTPUT_CONTROL_0:
199 case WM8903_DC_SERVO_0:
200 case WM8903_DC_SERVO_2:
201 case WM8903_DC_SERVO_READBACK_1:
202 case WM8903_DC_SERVO_READBACK_2:
203 case WM8903_DC_SERVO_READBACK_3:
204 case WM8903_DC_SERVO_READBACK_4:
205 case WM8903_ANALOGUE_HP_0:
206 case WM8903_ANALOGUE_LINEOUT_0:
207 case WM8903_CHARGE_PUMP_0:
208 case WM8903_CLASS_W_0:
209 case WM8903_WRITE_SEQUENCER_0:
210 case WM8903_WRITE_SEQUENCER_1:
211 case WM8903_WRITE_SEQUENCER_2:
212 case WM8903_WRITE_SEQUENCER_3:
213 case WM8903_WRITE_SEQUENCER_4:
214 case WM8903_CONTROL_INTERFACE:
215 case WM8903_GPIO_CONTROL_1:
216 case WM8903_GPIO_CONTROL_2:
217 case WM8903_GPIO_CONTROL_3:
218 case WM8903_GPIO_CONTROL_4:
219 case WM8903_GPIO_CONTROL_5:
220 case WM8903_INTERRUPT_STATUS_1:
221 case WM8903_INTERRUPT_STATUS_1_MASK:
222 case WM8903_INTERRUPT_POLARITY_1:
223 case WM8903_INTERRUPT_CONTROL:
224 case WM8903_CLOCK_RATE_TEST_4:
225 case WM8903_ANALOGUE_OUTPUT_BIAS_0:
232 static bool wm8903_volatile_register(struct device *dev, unsigned int reg)
235 case WM8903_SW_RESET_AND_ID:
236 case WM8903_REVISION_NUMBER:
237 case WM8903_INTERRUPT_STATUS_1:
238 case WM8903_WRITE_SEQUENCER_4:
239 case WM8903_DC_SERVO_READBACK_1:
240 case WM8903_DC_SERVO_READBACK_2:
241 case WM8903_DC_SERVO_READBACK_3:
242 case WM8903_DC_SERVO_READBACK_4:
250 static int wm8903_cp_event(struct snd_soc_dapm_widget *w,
251 struct snd_kcontrol *kcontrol, int event)
253 WARN_ON(event != SND_SOC_DAPM_POST_PMU);
259 static int wm8903_dcs_event(struct snd_soc_dapm_widget *w,
260 struct snd_kcontrol *kcontrol, int event)
262 struct snd_soc_codec *codec = w->codec;
263 struct wm8903_priv *wm8903 = snd_soc_codec_get_drvdata(codec);
266 case SND_SOC_DAPM_POST_PMU:
267 wm8903->dcs_pending |= 1 << w->shift;
269 case SND_SOC_DAPM_PRE_PMD:
270 snd_soc_update_bits(codec, WM8903_DC_SERVO_0,
278 #define WM8903_DCS_MODE_WRITE_STOP 0
279 #define WM8903_DCS_MODE_START_STOP 2
281 static void wm8903_seq_notifier(struct snd_soc_dapm_context *dapm,
282 enum snd_soc_dapm_type event, int subseq)
284 struct snd_soc_codec *codec = snd_soc_dapm_to_codec(dapm);
285 struct wm8903_priv *wm8903 = snd_soc_codec_get_drvdata(codec);
286 int dcs_mode = WM8903_DCS_MODE_WRITE_STOP;
289 /* Complete any pending DC servo starts */
290 if (wm8903->dcs_pending) {
291 dev_dbg(codec->dev, "Starting DC servo for %x\n",
292 wm8903->dcs_pending);
294 /* If we've no cached values then we need to do startup */
295 for (i = 0; i < ARRAY_SIZE(wm8903->dcs_cache); i++) {
296 if (!(wm8903->dcs_pending & (1 << i)))
299 if (wm8903->dcs_cache[i]) {
301 "Restore DC servo %d value %x\n",
302 3 - i, wm8903->dcs_cache[i]);
304 snd_soc_write(codec, WM8903_DC_SERVO_4 + i,
305 wm8903->dcs_cache[i] & 0xff);
308 "Calibrate DC servo %d\n", 3 - i);
309 dcs_mode = WM8903_DCS_MODE_START_STOP;
313 /* Don't trust the cache for analogue */
314 if (wm8903->class_w_users)
315 dcs_mode = WM8903_DCS_MODE_START_STOP;
317 snd_soc_update_bits(codec, WM8903_DC_SERVO_2,
318 WM8903_DCS_MODE_MASK, dcs_mode);
320 snd_soc_update_bits(codec, WM8903_DC_SERVO_0,
321 WM8903_DCS_ENA_MASK, wm8903->dcs_pending);
324 case WM8903_DCS_MODE_WRITE_STOP:
327 case WM8903_DCS_MODE_START_STOP:
330 /* Cache the measured offsets for digital */
331 if (wm8903->class_w_users)
334 for (i = 0; i < ARRAY_SIZE(wm8903->dcs_cache); i++) {
335 if (!(wm8903->dcs_pending & (1 << i)))
338 val = snd_soc_read(codec,
339 WM8903_DC_SERVO_READBACK_1 + i);
340 dev_dbg(codec->dev, "DC servo %d: %x\n",
342 wm8903->dcs_cache[i] = val;
347 pr_warn("DCS mode %d delay not set\n", dcs_mode);
351 wm8903->dcs_pending = 0;
356 * When used with DAC outputs only the WM8903 charge pump supports
357 * operation in class W mode, providing very low power consumption
358 * when used with digital sources. Enable and disable this mode
359 * automatically depending on the mixer configuration.
361 * All the relevant controls are simple switches.
363 static int wm8903_class_w_put(struct snd_kcontrol *kcontrol,
364 struct snd_ctl_elem_value *ucontrol)
366 struct snd_soc_codec *codec = snd_soc_dapm_kcontrol_codec(kcontrol);
367 struct wm8903_priv *wm8903 = snd_soc_codec_get_drvdata(codec);
371 reg = snd_soc_read(codec, WM8903_CLASS_W_0);
373 /* Turn it off if we're about to enable bypass */
374 if (ucontrol->value.integer.value[0]) {
375 if (wm8903->class_w_users == 0) {
376 dev_dbg(codec->dev, "Disabling Class W\n");
377 snd_soc_write(codec, WM8903_CLASS_W_0, reg &
378 ~(WM8903_CP_DYN_FREQ | WM8903_CP_DYN_V));
380 wm8903->class_w_users++;
383 /* Implement the change */
384 ret = snd_soc_dapm_put_volsw(kcontrol, ucontrol);
386 /* If we've just disabled the last bypass path turn Class W on */
387 if (!ucontrol->value.integer.value[0]) {
388 if (wm8903->class_w_users == 1) {
389 dev_dbg(codec->dev, "Enabling Class W\n");
390 snd_soc_write(codec, WM8903_CLASS_W_0, reg |
391 WM8903_CP_DYN_FREQ | WM8903_CP_DYN_V);
393 wm8903->class_w_users--;
396 dev_dbg(codec->dev, "Bypass use count now %d\n",
397 wm8903->class_w_users);
402 #define SOC_DAPM_SINGLE_W(xname, reg, shift, max, invert) \
403 SOC_SINGLE_EXT(xname, reg, shift, max, invert, \
404 snd_soc_dapm_get_volsw, wm8903_class_w_put)
407 static int wm8903_deemph[] = { 0, 32000, 44100, 48000 };
409 static int wm8903_set_deemph(struct snd_soc_codec *codec)
411 struct wm8903_priv *wm8903 = snd_soc_codec_get_drvdata(codec);
414 /* If we're using deemphasis select the nearest available sample
417 if (wm8903->deemph) {
419 for (i = 2; i < ARRAY_SIZE(wm8903_deemph); i++) {
420 if (abs(wm8903_deemph[i] - wm8903->fs) <
421 abs(wm8903_deemph[best] - wm8903->fs))
425 val = best << WM8903_DEEMPH_SHIFT;
431 dev_dbg(codec->dev, "Set deemphasis %d (%dHz)\n",
432 best, wm8903_deemph[best]);
434 return snd_soc_update_bits(codec, WM8903_DAC_DIGITAL_1,
435 WM8903_DEEMPH_MASK, val);
438 static int wm8903_get_deemph(struct snd_kcontrol *kcontrol,
439 struct snd_ctl_elem_value *ucontrol)
441 struct snd_soc_codec *codec = snd_soc_kcontrol_codec(kcontrol);
442 struct wm8903_priv *wm8903 = snd_soc_codec_get_drvdata(codec);
444 ucontrol->value.enumerated.item[0] = wm8903->deemph;
449 static int wm8903_put_deemph(struct snd_kcontrol *kcontrol,
450 struct snd_ctl_elem_value *ucontrol)
452 struct snd_soc_codec *codec = snd_soc_kcontrol_codec(kcontrol);
453 struct wm8903_priv *wm8903 = snd_soc_codec_get_drvdata(codec);
454 int deemph = ucontrol->value.enumerated.item[0];
460 mutex_lock(&codec->mutex);
461 if (wm8903->deemph != deemph) {
462 wm8903->deemph = deemph;
464 wm8903_set_deemph(codec);
468 mutex_unlock(&codec->mutex);
473 /* ALSA can only do steps of .01dB */
474 static const DECLARE_TLV_DB_SCALE(digital_tlv, -7200, 75, 1);
476 static const DECLARE_TLV_DB_SCALE(dac_boost_tlv, 0, 600, 0);
478 static const DECLARE_TLV_DB_SCALE(digital_sidetone_tlv, -3600, 300, 0);
479 static const DECLARE_TLV_DB_SCALE(out_tlv, -5700, 100, 0);
481 static const DECLARE_TLV_DB_SCALE(drc_tlv_thresh, 0, 75, 0);
482 static const DECLARE_TLV_DB_SCALE(drc_tlv_amp, -2250, 75, 0);
483 static const DECLARE_TLV_DB_SCALE(drc_tlv_min, 0, 600, 0);
484 static const DECLARE_TLV_DB_SCALE(drc_tlv_max, 1200, 600, 0);
485 static const DECLARE_TLV_DB_SCALE(drc_tlv_startup, -300, 50, 0);
487 static const char *hpf_mode_text[] = {
488 "Hi-fi", "Voice 1", "Voice 2", "Voice 3"
491 static SOC_ENUM_SINGLE_DECL(hpf_mode,
492 WM8903_ADC_DIGITAL_0, 5, hpf_mode_text);
494 static const char *osr_text[] = {
495 "Low power", "High performance"
498 static SOC_ENUM_SINGLE_DECL(adc_osr,
499 WM8903_ANALOGUE_ADC_0, 0, osr_text);
501 static SOC_ENUM_SINGLE_DECL(dac_osr,
502 WM8903_DAC_DIGITAL_1, 0, osr_text);
504 static const char *drc_slope_text[] = {
505 "1", "1/2", "1/4", "1/8", "1/16", "0"
508 static SOC_ENUM_SINGLE_DECL(drc_slope_r0,
509 WM8903_DRC_2, 3, drc_slope_text);
511 static SOC_ENUM_SINGLE_DECL(drc_slope_r1,
512 WM8903_DRC_2, 0, drc_slope_text);
514 static const char *drc_attack_text[] = {
516 "363us", "762us", "1.45ms", "2.9ms", "5.8ms", "11.6ms", "23.2ms",
517 "46.4ms", "92.8ms", "185.6ms"
520 static SOC_ENUM_SINGLE_DECL(drc_attack,
521 WM8903_DRC_1, 12, drc_attack_text);
523 static const char *drc_decay_text[] = {
524 "186ms", "372ms", "743ms", "1.49s", "2.97s", "5.94s", "11.89s",
528 static SOC_ENUM_SINGLE_DECL(drc_decay,
529 WM8903_DRC_1, 8, drc_decay_text);
531 static const char *drc_ff_delay_text[] = {
532 "5 samples", "9 samples"
535 static SOC_ENUM_SINGLE_DECL(drc_ff_delay,
536 WM8903_DRC_0, 5, drc_ff_delay_text);
538 static const char *drc_qr_decay_text[] = {
539 "0.725ms", "1.45ms", "5.8ms"
542 static SOC_ENUM_SINGLE_DECL(drc_qr_decay,
543 WM8903_DRC_1, 4, drc_qr_decay_text);
545 static const char *drc_smoothing_text[] = {
546 "Low", "Medium", "High"
549 static SOC_ENUM_SINGLE_DECL(drc_smoothing,
550 WM8903_DRC_0, 11, drc_smoothing_text);
552 static const char *soft_mute_text[] = {
553 "Fast (fs/2)", "Slow (fs/32)"
556 static SOC_ENUM_SINGLE_DECL(soft_mute,
557 WM8903_DAC_DIGITAL_1, 10, soft_mute_text);
559 static const char *mute_mode_text[] = {
563 static SOC_ENUM_SINGLE_DECL(mute_mode,
564 WM8903_DAC_DIGITAL_1, 9, mute_mode_text);
566 static const char *companding_text[] = {
570 static SOC_ENUM_SINGLE_DECL(dac_companding,
571 WM8903_AUDIO_INTERFACE_0, 0, companding_text);
573 static SOC_ENUM_SINGLE_DECL(adc_companding,
574 WM8903_AUDIO_INTERFACE_0, 2, companding_text);
576 static const char *input_mode_text[] = {
577 "Single-Ended", "Differential Line", "Differential Mic"
580 static SOC_ENUM_SINGLE_DECL(linput_mode_enum,
581 WM8903_ANALOGUE_LEFT_INPUT_1, 0, input_mode_text);
583 static SOC_ENUM_SINGLE_DECL(rinput_mode_enum,
584 WM8903_ANALOGUE_RIGHT_INPUT_1, 0, input_mode_text);
586 static const char *linput_mux_text[] = {
587 "IN1L", "IN2L", "IN3L"
590 static SOC_ENUM_SINGLE_DECL(linput_enum,
591 WM8903_ANALOGUE_LEFT_INPUT_1, 2, linput_mux_text);
593 static SOC_ENUM_SINGLE_DECL(linput_inv_enum,
594 WM8903_ANALOGUE_LEFT_INPUT_1, 4, linput_mux_text);
596 static const char *rinput_mux_text[] = {
597 "IN1R", "IN2R", "IN3R"
600 static SOC_ENUM_SINGLE_DECL(rinput_enum,
601 WM8903_ANALOGUE_RIGHT_INPUT_1, 2, rinput_mux_text);
603 static SOC_ENUM_SINGLE_DECL(rinput_inv_enum,
604 WM8903_ANALOGUE_RIGHT_INPUT_1, 4, rinput_mux_text);
607 static const char *sidetone_text[] = {
608 "None", "Left", "Right"
611 static SOC_ENUM_SINGLE_DECL(lsidetone_enum,
612 WM8903_DAC_DIGITAL_0, 2, sidetone_text);
614 static SOC_ENUM_SINGLE_DECL(rsidetone_enum,
615 WM8903_DAC_DIGITAL_0, 0, sidetone_text);
617 static const char *adcinput_text[] = {
621 static SOC_ENUM_SINGLE_DECL(adcinput_enum,
622 WM8903_CLOCK_RATE_TEST_4, 9, adcinput_text);
624 static const char *aif_text[] = {
628 static SOC_ENUM_SINGLE_DECL(lcapture_enum,
629 WM8903_AUDIO_INTERFACE_0, 7, aif_text);
631 static SOC_ENUM_SINGLE_DECL(rcapture_enum,
632 WM8903_AUDIO_INTERFACE_0, 6, aif_text);
634 static SOC_ENUM_SINGLE_DECL(lplay_enum,
635 WM8903_AUDIO_INTERFACE_0, 5, aif_text);
637 static SOC_ENUM_SINGLE_DECL(rplay_enum,
638 WM8903_AUDIO_INTERFACE_0, 4, aif_text);
640 static const struct snd_kcontrol_new wm8903_snd_controls[] = {
642 /* Input PGAs - No TLV since the scale depends on PGA mode */
643 SOC_SINGLE("Left Input PGA Switch", WM8903_ANALOGUE_LEFT_INPUT_0,
645 SOC_SINGLE("Left Input PGA Volume", WM8903_ANALOGUE_LEFT_INPUT_0,
647 SOC_SINGLE("Left Input PGA Common Mode Switch", WM8903_ANALOGUE_LEFT_INPUT_1,
650 SOC_SINGLE("Right Input PGA Switch", WM8903_ANALOGUE_RIGHT_INPUT_0,
652 SOC_SINGLE("Right Input PGA Volume", WM8903_ANALOGUE_RIGHT_INPUT_0,
654 SOC_SINGLE("Right Input PGA Common Mode Switch", WM8903_ANALOGUE_RIGHT_INPUT_1,
658 SOC_ENUM("ADC OSR", adc_osr),
659 SOC_SINGLE("HPF Switch", WM8903_ADC_DIGITAL_0, 4, 1, 0),
660 SOC_ENUM("HPF Mode", hpf_mode),
661 SOC_SINGLE("DRC Switch", WM8903_DRC_0, 15, 1, 0),
662 SOC_ENUM("DRC Compressor Slope R0", drc_slope_r0),
663 SOC_ENUM("DRC Compressor Slope R1", drc_slope_r1),
664 SOC_SINGLE_TLV("DRC Compressor Threshold Volume", WM8903_DRC_3, 5, 124, 1,
666 SOC_SINGLE_TLV("DRC Volume", WM8903_DRC_3, 0, 30, 1, drc_tlv_amp),
667 SOC_SINGLE_TLV("DRC Minimum Gain Volume", WM8903_DRC_1, 2, 3, 1, drc_tlv_min),
668 SOC_SINGLE_TLV("DRC Maximum Gain Volume", WM8903_DRC_1, 0, 3, 0, drc_tlv_max),
669 SOC_ENUM("DRC Attack Rate", drc_attack),
670 SOC_ENUM("DRC Decay Rate", drc_decay),
671 SOC_ENUM("DRC FF Delay", drc_ff_delay),
672 SOC_SINGLE("DRC Anticlip Switch", WM8903_DRC_0, 1, 1, 0),
673 SOC_SINGLE("DRC QR Switch", WM8903_DRC_0, 2, 1, 0),
674 SOC_SINGLE_TLV("DRC QR Threshold Volume", WM8903_DRC_0, 6, 3, 0, drc_tlv_max),
675 SOC_ENUM("DRC QR Decay Rate", drc_qr_decay),
676 SOC_SINGLE("DRC Smoothing Switch", WM8903_DRC_0, 3, 1, 0),
677 SOC_SINGLE("DRC Smoothing Hysteresis Switch", WM8903_DRC_0, 0, 1, 0),
678 SOC_ENUM("DRC Smoothing Threshold", drc_smoothing),
679 SOC_SINGLE_TLV("DRC Startup Volume", WM8903_DRC_0, 6, 18, 0, drc_tlv_startup),
681 SOC_DOUBLE_R_TLV("Digital Capture Volume", WM8903_ADC_DIGITAL_VOLUME_LEFT,
682 WM8903_ADC_DIGITAL_VOLUME_RIGHT, 1, 120, 0, digital_tlv),
683 SOC_ENUM("ADC Companding Mode", adc_companding),
684 SOC_SINGLE("ADC Companding Switch", WM8903_AUDIO_INTERFACE_0, 3, 1, 0),
686 SOC_DOUBLE_TLV("Digital Sidetone Volume", WM8903_DAC_DIGITAL_0, 4, 8,
687 12, 0, digital_sidetone_tlv),
690 SOC_ENUM("DAC OSR", dac_osr),
691 SOC_DOUBLE_R_TLV("Digital Playback Volume", WM8903_DAC_DIGITAL_VOLUME_LEFT,
692 WM8903_DAC_DIGITAL_VOLUME_RIGHT, 1, 120, 0, digital_tlv),
693 SOC_ENUM("DAC Soft Mute Rate", soft_mute),
694 SOC_ENUM("DAC Mute Mode", mute_mode),
695 SOC_SINGLE("DAC Mono Switch", WM8903_DAC_DIGITAL_1, 12, 1, 0),
696 SOC_ENUM("DAC Companding Mode", dac_companding),
697 SOC_SINGLE("DAC Companding Switch", WM8903_AUDIO_INTERFACE_0, 1, 1, 0),
698 SOC_SINGLE_TLV("DAC Boost Volume", WM8903_AUDIO_INTERFACE_0, 9, 3, 0,
700 SOC_SINGLE_BOOL_EXT("Playback Deemphasis Switch", 0,
701 wm8903_get_deemph, wm8903_put_deemph),
704 SOC_DOUBLE_R("Headphone Switch",
705 WM8903_ANALOGUE_OUT1_LEFT, WM8903_ANALOGUE_OUT1_RIGHT,
707 SOC_DOUBLE_R("Headphone ZC Switch",
708 WM8903_ANALOGUE_OUT1_LEFT, WM8903_ANALOGUE_OUT1_RIGHT,
710 SOC_DOUBLE_R_TLV("Headphone Volume",
711 WM8903_ANALOGUE_OUT1_LEFT, WM8903_ANALOGUE_OUT1_RIGHT,
715 SOC_DOUBLE_R("Line Out Switch",
716 WM8903_ANALOGUE_OUT2_LEFT, WM8903_ANALOGUE_OUT2_RIGHT,
718 SOC_DOUBLE_R("Line Out ZC Switch",
719 WM8903_ANALOGUE_OUT2_LEFT, WM8903_ANALOGUE_OUT2_RIGHT,
721 SOC_DOUBLE_R_TLV("Line Out Volume",
722 WM8903_ANALOGUE_OUT2_LEFT, WM8903_ANALOGUE_OUT2_RIGHT,
726 SOC_DOUBLE_R("Speaker Switch",
727 WM8903_ANALOGUE_OUT3_LEFT, WM8903_ANALOGUE_OUT3_RIGHT, 8, 1, 1),
728 SOC_DOUBLE_R("Speaker ZC Switch",
729 WM8903_ANALOGUE_OUT3_LEFT, WM8903_ANALOGUE_OUT3_RIGHT, 6, 1, 0),
730 SOC_DOUBLE_R_TLV("Speaker Volume",
731 WM8903_ANALOGUE_OUT3_LEFT, WM8903_ANALOGUE_OUT3_RIGHT,
735 static const struct snd_kcontrol_new linput_mode_mux =
736 SOC_DAPM_ENUM("Left Input Mode Mux", linput_mode_enum);
738 static const struct snd_kcontrol_new rinput_mode_mux =
739 SOC_DAPM_ENUM("Right Input Mode Mux", rinput_mode_enum);
741 static const struct snd_kcontrol_new linput_mux =
742 SOC_DAPM_ENUM("Left Input Mux", linput_enum);
744 static const struct snd_kcontrol_new linput_inv_mux =
745 SOC_DAPM_ENUM("Left Inverting Input Mux", linput_inv_enum);
747 static const struct snd_kcontrol_new rinput_mux =
748 SOC_DAPM_ENUM("Right Input Mux", rinput_enum);
750 static const struct snd_kcontrol_new rinput_inv_mux =
751 SOC_DAPM_ENUM("Right Inverting Input Mux", rinput_inv_enum);
753 static const struct snd_kcontrol_new lsidetone_mux =
754 SOC_DAPM_ENUM("DACL Sidetone Mux", lsidetone_enum);
756 static const struct snd_kcontrol_new rsidetone_mux =
757 SOC_DAPM_ENUM("DACR Sidetone Mux", rsidetone_enum);
759 static const struct snd_kcontrol_new adcinput_mux =
760 SOC_DAPM_ENUM("ADC Input", adcinput_enum);
762 static const struct snd_kcontrol_new lcapture_mux =
763 SOC_DAPM_ENUM("Left Capture Mux", lcapture_enum);
765 static const struct snd_kcontrol_new rcapture_mux =
766 SOC_DAPM_ENUM("Right Capture Mux", rcapture_enum);
768 static const struct snd_kcontrol_new lplay_mux =
769 SOC_DAPM_ENUM("Left Playback Mux", lplay_enum);
771 static const struct snd_kcontrol_new rplay_mux =
772 SOC_DAPM_ENUM("Right Playback Mux", rplay_enum);
774 static const struct snd_kcontrol_new left_output_mixer[] = {
775 SOC_DAPM_SINGLE("DACL Switch", WM8903_ANALOGUE_LEFT_MIX_0, 3, 1, 0),
776 SOC_DAPM_SINGLE("DACR Switch", WM8903_ANALOGUE_LEFT_MIX_0, 2, 1, 0),
777 SOC_DAPM_SINGLE_W("Left Bypass Switch", WM8903_ANALOGUE_LEFT_MIX_0, 1, 1, 0),
778 SOC_DAPM_SINGLE_W("Right Bypass Switch", WM8903_ANALOGUE_LEFT_MIX_0, 0, 1, 0),
781 static const struct snd_kcontrol_new right_output_mixer[] = {
782 SOC_DAPM_SINGLE("DACL Switch", WM8903_ANALOGUE_RIGHT_MIX_0, 3, 1, 0),
783 SOC_DAPM_SINGLE("DACR Switch", WM8903_ANALOGUE_RIGHT_MIX_0, 2, 1, 0),
784 SOC_DAPM_SINGLE_W("Left Bypass Switch", WM8903_ANALOGUE_RIGHT_MIX_0, 1, 1, 0),
785 SOC_DAPM_SINGLE_W("Right Bypass Switch", WM8903_ANALOGUE_RIGHT_MIX_0, 0, 1, 0),
788 static const struct snd_kcontrol_new left_speaker_mixer[] = {
789 SOC_DAPM_SINGLE("DACL Switch", WM8903_ANALOGUE_SPK_MIX_LEFT_0, 3, 1, 0),
790 SOC_DAPM_SINGLE("DACR Switch", WM8903_ANALOGUE_SPK_MIX_LEFT_0, 2, 1, 0),
791 SOC_DAPM_SINGLE("Left Bypass Switch", WM8903_ANALOGUE_SPK_MIX_LEFT_0, 1, 1, 0),
792 SOC_DAPM_SINGLE("Right Bypass Switch", WM8903_ANALOGUE_SPK_MIX_LEFT_0,
796 static const struct snd_kcontrol_new right_speaker_mixer[] = {
797 SOC_DAPM_SINGLE("DACL Switch", WM8903_ANALOGUE_SPK_MIX_RIGHT_0, 3, 1, 0),
798 SOC_DAPM_SINGLE("DACR Switch", WM8903_ANALOGUE_SPK_MIX_RIGHT_0, 2, 1, 0),
799 SOC_DAPM_SINGLE("Left Bypass Switch", WM8903_ANALOGUE_SPK_MIX_RIGHT_0,
801 SOC_DAPM_SINGLE("Right Bypass Switch", WM8903_ANALOGUE_SPK_MIX_RIGHT_0,
805 static const struct snd_soc_dapm_widget wm8903_dapm_widgets[] = {
806 SND_SOC_DAPM_INPUT("IN1L"),
807 SND_SOC_DAPM_INPUT("IN1R"),
808 SND_SOC_DAPM_INPUT("IN2L"),
809 SND_SOC_DAPM_INPUT("IN2R"),
810 SND_SOC_DAPM_INPUT("IN3L"),
811 SND_SOC_DAPM_INPUT("IN3R"),
812 SND_SOC_DAPM_INPUT("DMICDAT"),
814 SND_SOC_DAPM_OUTPUT("HPOUTL"),
815 SND_SOC_DAPM_OUTPUT("HPOUTR"),
816 SND_SOC_DAPM_OUTPUT("LINEOUTL"),
817 SND_SOC_DAPM_OUTPUT("LINEOUTR"),
818 SND_SOC_DAPM_OUTPUT("LOP"),
819 SND_SOC_DAPM_OUTPUT("LON"),
820 SND_SOC_DAPM_OUTPUT("ROP"),
821 SND_SOC_DAPM_OUTPUT("RON"),
823 SND_SOC_DAPM_SUPPLY("MICBIAS", WM8903_MIC_BIAS_CONTROL_0, 0, 0, NULL, 0),
825 SND_SOC_DAPM_MUX("Left Input Mux", SND_SOC_NOPM, 0, 0, &linput_mux),
826 SND_SOC_DAPM_MUX("Left Input Inverting Mux", SND_SOC_NOPM, 0, 0,
828 SND_SOC_DAPM_MUX("Left Input Mode Mux", SND_SOC_NOPM, 0, 0, &linput_mode_mux),
830 SND_SOC_DAPM_MUX("Right Input Mux", SND_SOC_NOPM, 0, 0, &rinput_mux),
831 SND_SOC_DAPM_MUX("Right Input Inverting Mux", SND_SOC_NOPM, 0, 0,
833 SND_SOC_DAPM_MUX("Right Input Mode Mux", SND_SOC_NOPM, 0, 0, &rinput_mode_mux),
835 SND_SOC_DAPM_PGA("Left Input PGA", WM8903_POWER_MANAGEMENT_0, 1, 0, NULL, 0),
836 SND_SOC_DAPM_PGA("Right Input PGA", WM8903_POWER_MANAGEMENT_0, 0, 0, NULL, 0),
838 SND_SOC_DAPM_MUX("Left ADC Input", SND_SOC_NOPM, 0, 0, &adcinput_mux),
839 SND_SOC_DAPM_MUX("Right ADC Input", SND_SOC_NOPM, 0, 0, &adcinput_mux),
841 SND_SOC_DAPM_ADC("ADCL", NULL, WM8903_POWER_MANAGEMENT_6, 1, 0),
842 SND_SOC_DAPM_ADC("ADCR", NULL, WM8903_POWER_MANAGEMENT_6, 0, 0),
844 SND_SOC_DAPM_MUX("Left Capture Mux", SND_SOC_NOPM, 0, 0, &lcapture_mux),
845 SND_SOC_DAPM_MUX("Right Capture Mux", SND_SOC_NOPM, 0, 0, &rcapture_mux),
847 SND_SOC_DAPM_AIF_OUT("AIFTXL", "Left HiFi Capture", 0, SND_SOC_NOPM, 0, 0),
848 SND_SOC_DAPM_AIF_OUT("AIFTXR", "Right HiFi Capture", 0, SND_SOC_NOPM, 0, 0),
850 SND_SOC_DAPM_MUX("DACL Sidetone", SND_SOC_NOPM, 0, 0, &lsidetone_mux),
851 SND_SOC_DAPM_MUX("DACR Sidetone", SND_SOC_NOPM, 0, 0, &rsidetone_mux),
853 SND_SOC_DAPM_AIF_IN("AIFRXL", "Left Playback", 0, SND_SOC_NOPM, 0, 0),
854 SND_SOC_DAPM_AIF_IN("AIFRXR", "Right Playback", 0, SND_SOC_NOPM, 0, 0),
856 SND_SOC_DAPM_MUX("Left Playback Mux", SND_SOC_NOPM, 0, 0, &lplay_mux),
857 SND_SOC_DAPM_MUX("Right Playback Mux", SND_SOC_NOPM, 0, 0, &rplay_mux),
859 SND_SOC_DAPM_DAC("DACL", NULL, WM8903_POWER_MANAGEMENT_6, 3, 0),
860 SND_SOC_DAPM_DAC("DACR", NULL, WM8903_POWER_MANAGEMENT_6, 2, 0),
862 SND_SOC_DAPM_MIXER("Left Output Mixer", WM8903_POWER_MANAGEMENT_1, 1, 0,
863 left_output_mixer, ARRAY_SIZE(left_output_mixer)),
864 SND_SOC_DAPM_MIXER("Right Output Mixer", WM8903_POWER_MANAGEMENT_1, 0, 0,
865 right_output_mixer, ARRAY_SIZE(right_output_mixer)),
867 SND_SOC_DAPM_MIXER("Left Speaker Mixer", WM8903_POWER_MANAGEMENT_4, 1, 0,
868 left_speaker_mixer, ARRAY_SIZE(left_speaker_mixer)),
869 SND_SOC_DAPM_MIXER("Right Speaker Mixer", WM8903_POWER_MANAGEMENT_4, 0, 0,
870 right_speaker_mixer, ARRAY_SIZE(right_speaker_mixer)),
872 SND_SOC_DAPM_PGA_S("Left Headphone Output PGA", 0, WM8903_POWER_MANAGEMENT_2,
874 SND_SOC_DAPM_PGA_S("Right Headphone Output PGA", 0, WM8903_POWER_MANAGEMENT_2,
877 SND_SOC_DAPM_PGA_S("Left Line Output PGA", 0, WM8903_POWER_MANAGEMENT_3, 1, 0,
879 SND_SOC_DAPM_PGA_S("Right Line Output PGA", 0, WM8903_POWER_MANAGEMENT_3, 0, 0,
882 SND_SOC_DAPM_PGA_S("HPL_RMV_SHORT", 4, WM8903_ANALOGUE_HP_0, 7, 0, NULL, 0),
883 SND_SOC_DAPM_PGA_S("HPL_ENA_OUTP", 3, WM8903_ANALOGUE_HP_0, 6, 0, NULL, 0),
884 SND_SOC_DAPM_PGA_S("HPL_ENA_DLY", 2, WM8903_ANALOGUE_HP_0, 5, 0, NULL, 0),
885 SND_SOC_DAPM_PGA_S("HPL_ENA", 1, WM8903_ANALOGUE_HP_0, 4, 0, NULL, 0),
886 SND_SOC_DAPM_PGA_S("HPR_RMV_SHORT", 4, WM8903_ANALOGUE_HP_0, 3, 0, NULL, 0),
887 SND_SOC_DAPM_PGA_S("HPR_ENA_OUTP", 3, WM8903_ANALOGUE_HP_0, 2, 0, NULL, 0),
888 SND_SOC_DAPM_PGA_S("HPR_ENA_DLY", 2, WM8903_ANALOGUE_HP_0, 1, 0, NULL, 0),
889 SND_SOC_DAPM_PGA_S("HPR_ENA", 1, WM8903_ANALOGUE_HP_0, 0, 0, NULL, 0),
891 SND_SOC_DAPM_PGA_S("LINEOUTL_RMV_SHORT", 4, WM8903_ANALOGUE_LINEOUT_0, 7, 0,
893 SND_SOC_DAPM_PGA_S("LINEOUTL_ENA_OUTP", 3, WM8903_ANALOGUE_LINEOUT_0, 6, 0,
895 SND_SOC_DAPM_PGA_S("LINEOUTL_ENA_DLY", 2, WM8903_ANALOGUE_LINEOUT_0, 5, 0,
897 SND_SOC_DAPM_PGA_S("LINEOUTL_ENA", 1, WM8903_ANALOGUE_LINEOUT_0, 4, 0,
899 SND_SOC_DAPM_PGA_S("LINEOUTR_RMV_SHORT", 4, WM8903_ANALOGUE_LINEOUT_0, 3, 0,
901 SND_SOC_DAPM_PGA_S("LINEOUTR_ENA_OUTP", 3, WM8903_ANALOGUE_LINEOUT_0, 2, 0,
903 SND_SOC_DAPM_PGA_S("LINEOUTR_ENA_DLY", 2, WM8903_ANALOGUE_LINEOUT_0, 1, 0,
905 SND_SOC_DAPM_PGA_S("LINEOUTR_ENA", 1, WM8903_ANALOGUE_LINEOUT_0, 0, 0,
908 SND_SOC_DAPM_SUPPLY("DCS Master", WM8903_DC_SERVO_0, 4, 0, NULL, 0),
909 SND_SOC_DAPM_PGA_S("HPL_DCS", 3, SND_SOC_NOPM, 3, 0, wm8903_dcs_event,
910 SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD),
911 SND_SOC_DAPM_PGA_S("HPR_DCS", 3, SND_SOC_NOPM, 2, 0, wm8903_dcs_event,
912 SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD),
913 SND_SOC_DAPM_PGA_S("LINEOUTL_DCS", 3, SND_SOC_NOPM, 1, 0, wm8903_dcs_event,
914 SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD),
915 SND_SOC_DAPM_PGA_S("LINEOUTR_DCS", 3, SND_SOC_NOPM, 0, 0, wm8903_dcs_event,
916 SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD),
918 SND_SOC_DAPM_PGA("Left Speaker PGA", WM8903_POWER_MANAGEMENT_5, 1, 0,
920 SND_SOC_DAPM_PGA("Right Speaker PGA", WM8903_POWER_MANAGEMENT_5, 0, 0,
923 SND_SOC_DAPM_SUPPLY("Charge Pump", WM8903_CHARGE_PUMP_0, 0, 0,
924 wm8903_cp_event, SND_SOC_DAPM_POST_PMU),
925 SND_SOC_DAPM_SUPPLY("CLK_DSP", WM8903_CLOCK_RATES_2, 1, 0, NULL, 0),
926 SND_SOC_DAPM_SUPPLY("CLK_SYS", WM8903_CLOCK_RATES_2, 2, 0, NULL, 0),
929 static const struct snd_soc_dapm_route wm8903_intercon[] = {
931 { "CLK_DSP", NULL, "CLK_SYS" },
932 { "MICBIAS", NULL, "CLK_SYS" },
933 { "HPL_DCS", NULL, "CLK_SYS" },
934 { "HPR_DCS", NULL, "CLK_SYS" },
935 { "LINEOUTL_DCS", NULL, "CLK_SYS" },
936 { "LINEOUTR_DCS", NULL, "CLK_SYS" },
938 { "Left Input Mux", "IN1L", "IN1L" },
939 { "Left Input Mux", "IN2L", "IN2L" },
940 { "Left Input Mux", "IN3L", "IN3L" },
942 { "Left Input Inverting Mux", "IN1L", "IN1L" },
943 { "Left Input Inverting Mux", "IN2L", "IN2L" },
944 { "Left Input Inverting Mux", "IN3L", "IN3L" },
946 { "Right Input Mux", "IN1R", "IN1R" },
947 { "Right Input Mux", "IN2R", "IN2R" },
948 { "Right Input Mux", "IN3R", "IN3R" },
950 { "Right Input Inverting Mux", "IN1R", "IN1R" },
951 { "Right Input Inverting Mux", "IN2R", "IN2R" },
952 { "Right Input Inverting Mux", "IN3R", "IN3R" },
954 { "Left Input Mode Mux", "Single-Ended", "Left Input Inverting Mux" },
955 { "Left Input Mode Mux", "Differential Line",
957 { "Left Input Mode Mux", "Differential Line",
958 "Left Input Inverting Mux" },
959 { "Left Input Mode Mux", "Differential Mic",
961 { "Left Input Mode Mux", "Differential Mic",
962 "Left Input Inverting Mux" },
964 { "Right Input Mode Mux", "Single-Ended",
965 "Right Input Inverting Mux" },
966 { "Right Input Mode Mux", "Differential Line",
968 { "Right Input Mode Mux", "Differential Line",
969 "Right Input Inverting Mux" },
970 { "Right Input Mode Mux", "Differential Mic",
972 { "Right Input Mode Mux", "Differential Mic",
973 "Right Input Inverting Mux" },
975 { "Left Input PGA", NULL, "Left Input Mode Mux" },
976 { "Right Input PGA", NULL, "Right Input Mode Mux" },
978 { "Left ADC Input", "ADC", "Left Input PGA" },
979 { "Left ADC Input", "DMIC", "DMICDAT" },
980 { "Right ADC Input", "ADC", "Right Input PGA" },
981 { "Right ADC Input", "DMIC", "DMICDAT" },
983 { "Left Capture Mux", "Left", "ADCL" },
984 { "Left Capture Mux", "Right", "ADCR" },
986 { "Right Capture Mux", "Left", "ADCL" },
987 { "Right Capture Mux", "Right", "ADCR" },
989 { "AIFTXL", NULL, "Left Capture Mux" },
990 { "AIFTXR", NULL, "Right Capture Mux" },
992 { "ADCL", NULL, "Left ADC Input" },
993 { "ADCL", NULL, "CLK_DSP" },
994 { "ADCR", NULL, "Right ADC Input" },
995 { "ADCR", NULL, "CLK_DSP" },
997 { "Left Playback Mux", "Left", "AIFRXL" },
998 { "Left Playback Mux", "Right", "AIFRXR" },
1000 { "Right Playback Mux", "Left", "AIFRXL" },
1001 { "Right Playback Mux", "Right", "AIFRXR" },
1003 { "DACL Sidetone", "Left", "ADCL" },
1004 { "DACL Sidetone", "Right", "ADCR" },
1005 { "DACR Sidetone", "Left", "ADCL" },
1006 { "DACR Sidetone", "Right", "ADCR" },
1008 { "DACL", NULL, "Left Playback Mux" },
1009 { "DACL", NULL, "DACL Sidetone" },
1010 { "DACL", NULL, "CLK_DSP" },
1012 { "DACR", NULL, "Right Playback Mux" },
1013 { "DACR", NULL, "DACR Sidetone" },
1014 { "DACR", NULL, "CLK_DSP" },
1016 { "Left Output Mixer", "Left Bypass Switch", "Left Input PGA" },
1017 { "Left Output Mixer", "Right Bypass Switch", "Right Input PGA" },
1018 { "Left Output Mixer", "DACL Switch", "DACL" },
1019 { "Left Output Mixer", "DACR Switch", "DACR" },
1021 { "Right Output Mixer", "Left Bypass Switch", "Left Input PGA" },
1022 { "Right Output Mixer", "Right Bypass Switch", "Right Input PGA" },
1023 { "Right Output Mixer", "DACL Switch", "DACL" },
1024 { "Right Output Mixer", "DACR Switch", "DACR" },
1026 { "Left Speaker Mixer", "Left Bypass Switch", "Left Input PGA" },
1027 { "Left Speaker Mixer", "Right Bypass Switch", "Right Input PGA" },
1028 { "Left Speaker Mixer", "DACL Switch", "DACL" },
1029 { "Left Speaker Mixer", "DACR Switch", "DACR" },
1031 { "Right Speaker Mixer", "Left Bypass Switch", "Left Input PGA" },
1032 { "Right Speaker Mixer", "Right Bypass Switch", "Right Input PGA" },
1033 { "Right Speaker Mixer", "DACL Switch", "DACL" },
1034 { "Right Speaker Mixer", "DACR Switch", "DACR" },
1036 { "Left Line Output PGA", NULL, "Left Output Mixer" },
1037 { "Right Line Output PGA", NULL, "Right Output Mixer" },
1039 { "Left Headphone Output PGA", NULL, "Left Output Mixer" },
1040 { "Right Headphone Output PGA", NULL, "Right Output Mixer" },
1042 { "Left Speaker PGA", NULL, "Left Speaker Mixer" },
1043 { "Right Speaker PGA", NULL, "Right Speaker Mixer" },
1045 { "HPL_ENA", NULL, "Left Headphone Output PGA" },
1046 { "HPR_ENA", NULL, "Right Headphone Output PGA" },
1047 { "HPL_ENA_DLY", NULL, "HPL_ENA" },
1048 { "HPR_ENA_DLY", NULL, "HPR_ENA" },
1049 { "LINEOUTL_ENA", NULL, "Left Line Output PGA" },
1050 { "LINEOUTR_ENA", NULL, "Right Line Output PGA" },
1051 { "LINEOUTL_ENA_DLY", NULL, "LINEOUTL_ENA" },
1052 { "LINEOUTR_ENA_DLY", NULL, "LINEOUTR_ENA" },
1054 { "HPL_DCS", NULL, "DCS Master" },
1055 { "HPR_DCS", NULL, "DCS Master" },
1056 { "LINEOUTL_DCS", NULL, "DCS Master" },
1057 { "LINEOUTR_DCS", NULL, "DCS Master" },
1059 { "HPL_DCS", NULL, "HPL_ENA_DLY" },
1060 { "HPR_DCS", NULL, "HPR_ENA_DLY" },
1061 { "LINEOUTL_DCS", NULL, "LINEOUTL_ENA_DLY" },
1062 { "LINEOUTR_DCS", NULL, "LINEOUTR_ENA_DLY" },
1064 { "HPL_ENA_OUTP", NULL, "HPL_DCS" },
1065 { "HPR_ENA_OUTP", NULL, "HPR_DCS" },
1066 { "LINEOUTL_ENA_OUTP", NULL, "LINEOUTL_DCS" },
1067 { "LINEOUTR_ENA_OUTP", NULL, "LINEOUTR_DCS" },
1069 { "HPL_RMV_SHORT", NULL, "HPL_ENA_OUTP" },
1070 { "HPR_RMV_SHORT", NULL, "HPR_ENA_OUTP" },
1071 { "LINEOUTL_RMV_SHORT", NULL, "LINEOUTL_ENA_OUTP" },
1072 { "LINEOUTR_RMV_SHORT", NULL, "LINEOUTR_ENA_OUTP" },
1074 { "HPOUTL", NULL, "HPL_RMV_SHORT" },
1075 { "HPOUTR", NULL, "HPR_RMV_SHORT" },
1076 { "LINEOUTL", NULL, "LINEOUTL_RMV_SHORT" },
1077 { "LINEOUTR", NULL, "LINEOUTR_RMV_SHORT" },
1079 { "LOP", NULL, "Left Speaker PGA" },
1080 { "LON", NULL, "Left Speaker PGA" },
1082 { "ROP", NULL, "Right Speaker PGA" },
1083 { "RON", NULL, "Right Speaker PGA" },
1085 { "Charge Pump", NULL, "CLK_DSP" },
1087 { "Left Headphone Output PGA", NULL, "Charge Pump" },
1088 { "Right Headphone Output PGA", NULL, "Charge Pump" },
1089 { "Left Line Output PGA", NULL, "Charge Pump" },
1090 { "Right Line Output PGA", NULL, "Charge Pump" },
1093 static int wm8903_set_bias_level(struct snd_soc_codec *codec,
1094 enum snd_soc_bias_level level)
1097 case SND_SOC_BIAS_ON:
1100 case SND_SOC_BIAS_PREPARE:
1101 snd_soc_update_bits(codec, WM8903_VMID_CONTROL_0,
1102 WM8903_VMID_RES_MASK,
1103 WM8903_VMID_RES_50K);
1106 case SND_SOC_BIAS_STANDBY:
1107 if (codec->dapm.bias_level == SND_SOC_BIAS_OFF) {
1108 snd_soc_update_bits(codec, WM8903_BIAS_CONTROL_0,
1109 WM8903_POBCTRL | WM8903_ISEL_MASK |
1110 WM8903_STARTUP_BIAS_ENA |
1113 (2 << WM8903_ISEL_SHIFT) |
1114 WM8903_STARTUP_BIAS_ENA);
1116 snd_soc_update_bits(codec,
1117 WM8903_ANALOGUE_SPK_OUTPUT_CONTROL_0,
1118 WM8903_SPK_DISCHARGE,
1119 WM8903_SPK_DISCHARGE);
1123 snd_soc_update_bits(codec, WM8903_POWER_MANAGEMENT_5,
1124 WM8903_SPKL_ENA | WM8903_SPKR_ENA,
1125 WM8903_SPKL_ENA | WM8903_SPKR_ENA);
1127 snd_soc_update_bits(codec,
1128 WM8903_ANALOGUE_SPK_OUTPUT_CONTROL_0,
1129 WM8903_SPK_DISCHARGE, 0);
1131 snd_soc_update_bits(codec, WM8903_VMID_CONTROL_0,
1132 WM8903_VMID_TIE_ENA |
1134 WM8903_VMID_IO_ENA |
1135 WM8903_VMID_SOFT_MASK |
1136 WM8903_VMID_RES_MASK |
1137 WM8903_VMID_BUF_ENA,
1138 WM8903_VMID_TIE_ENA |
1140 WM8903_VMID_IO_ENA |
1141 (2 << WM8903_VMID_SOFT_SHIFT) |
1142 WM8903_VMID_RES_250K |
1143 WM8903_VMID_BUF_ENA);
1147 snd_soc_update_bits(codec, WM8903_POWER_MANAGEMENT_5,
1148 WM8903_SPKL_ENA | WM8903_SPKR_ENA,
1151 snd_soc_update_bits(codec, WM8903_VMID_CONTROL_0,
1152 WM8903_VMID_SOFT_MASK, 0);
1154 snd_soc_update_bits(codec, WM8903_VMID_CONTROL_0,
1155 WM8903_VMID_RES_MASK,
1156 WM8903_VMID_RES_50K);
1158 snd_soc_update_bits(codec, WM8903_BIAS_CONTROL_0,
1159 WM8903_BIAS_ENA | WM8903_POBCTRL,
1162 /* By default no bypass paths are enabled so
1163 * enable Class W support.
1165 dev_dbg(codec->dev, "Enabling Class W\n");
1166 snd_soc_update_bits(codec, WM8903_CLASS_W_0,
1167 WM8903_CP_DYN_FREQ |
1169 WM8903_CP_DYN_FREQ |
1173 snd_soc_update_bits(codec, WM8903_VMID_CONTROL_0,
1174 WM8903_VMID_RES_MASK,
1175 WM8903_VMID_RES_250K);
1178 case SND_SOC_BIAS_OFF:
1179 snd_soc_update_bits(codec, WM8903_BIAS_CONTROL_0,
1180 WM8903_BIAS_ENA, 0);
1182 snd_soc_update_bits(codec, WM8903_VMID_CONTROL_0,
1183 WM8903_VMID_SOFT_MASK,
1184 2 << WM8903_VMID_SOFT_SHIFT);
1186 snd_soc_update_bits(codec, WM8903_VMID_CONTROL_0,
1187 WM8903_VMID_BUF_ENA, 0);
1191 snd_soc_update_bits(codec, WM8903_VMID_CONTROL_0,
1192 WM8903_VMID_TIE_ENA | WM8903_BUFIO_ENA |
1193 WM8903_VMID_IO_ENA | WM8903_VMID_RES_MASK |
1194 WM8903_VMID_SOFT_MASK |
1195 WM8903_VMID_BUF_ENA, 0);
1197 snd_soc_update_bits(codec, WM8903_BIAS_CONTROL_0,
1198 WM8903_STARTUP_BIAS_ENA, 0);
1202 codec->dapm.bias_level = level;
1207 static int wm8903_set_dai_sysclk(struct snd_soc_dai *codec_dai,
1208 int clk_id, unsigned int freq, int dir)
1210 struct snd_soc_codec *codec = codec_dai->codec;
1211 struct wm8903_priv *wm8903 = snd_soc_codec_get_drvdata(codec);
1213 wm8903->sysclk = freq;
1218 static int wm8903_set_dai_fmt(struct snd_soc_dai *codec_dai,
1221 struct snd_soc_codec *codec = codec_dai->codec;
1222 u16 aif1 = snd_soc_read(codec, WM8903_AUDIO_INTERFACE_1);
1224 aif1 &= ~(WM8903_LRCLK_DIR | WM8903_BCLK_DIR | WM8903_AIF_FMT_MASK |
1225 WM8903_AIF_LRCLK_INV | WM8903_AIF_BCLK_INV);
1227 switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
1228 case SND_SOC_DAIFMT_CBS_CFS:
1230 case SND_SOC_DAIFMT_CBS_CFM:
1231 aif1 |= WM8903_LRCLK_DIR;
1233 case SND_SOC_DAIFMT_CBM_CFM:
1234 aif1 |= WM8903_LRCLK_DIR | WM8903_BCLK_DIR;
1236 case SND_SOC_DAIFMT_CBM_CFS:
1237 aif1 |= WM8903_BCLK_DIR;
1243 switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
1244 case SND_SOC_DAIFMT_DSP_A:
1247 case SND_SOC_DAIFMT_DSP_B:
1248 aif1 |= 0x3 | WM8903_AIF_LRCLK_INV;
1250 case SND_SOC_DAIFMT_I2S:
1253 case SND_SOC_DAIFMT_RIGHT_J:
1256 case SND_SOC_DAIFMT_LEFT_J:
1262 /* Clock inversion */
1263 switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
1264 case SND_SOC_DAIFMT_DSP_A:
1265 case SND_SOC_DAIFMT_DSP_B:
1266 /* frame inversion not valid for DSP modes */
1267 switch (fmt & SND_SOC_DAIFMT_INV_MASK) {
1268 case SND_SOC_DAIFMT_NB_NF:
1270 case SND_SOC_DAIFMT_IB_NF:
1271 aif1 |= WM8903_AIF_BCLK_INV;
1277 case SND_SOC_DAIFMT_I2S:
1278 case SND_SOC_DAIFMT_RIGHT_J:
1279 case SND_SOC_DAIFMT_LEFT_J:
1280 switch (fmt & SND_SOC_DAIFMT_INV_MASK) {
1281 case SND_SOC_DAIFMT_NB_NF:
1283 case SND_SOC_DAIFMT_IB_IF:
1284 aif1 |= WM8903_AIF_BCLK_INV | WM8903_AIF_LRCLK_INV;
1286 case SND_SOC_DAIFMT_IB_NF:
1287 aif1 |= WM8903_AIF_BCLK_INV;
1289 case SND_SOC_DAIFMT_NB_IF:
1290 aif1 |= WM8903_AIF_LRCLK_INV;
1300 snd_soc_write(codec, WM8903_AUDIO_INTERFACE_1, aif1);
1305 static int wm8903_digital_mute(struct snd_soc_dai *codec_dai, int mute)
1307 struct snd_soc_codec *codec = codec_dai->codec;
1310 reg = snd_soc_read(codec, WM8903_DAC_DIGITAL_1);
1313 reg |= WM8903_DAC_MUTE;
1315 reg &= ~WM8903_DAC_MUTE;
1317 snd_soc_write(codec, WM8903_DAC_DIGITAL_1, reg);
1322 /* Lookup table for CLK_SYS/fs ratio. 256fs or more is recommended
1323 * for optimal performance so we list the lower rates first and match
1324 * on the last match we find. */
1330 } clk_sys_ratios[] = {
1331 { 64, 0x0, 0x0, 1 },
1332 { 68, 0x0, 0x1, 1 },
1333 { 125, 0x0, 0x2, 1 },
1334 { 128, 0x1, 0x0, 1 },
1335 { 136, 0x1, 0x1, 1 },
1336 { 192, 0x2, 0x0, 1 },
1337 { 204, 0x2, 0x1, 1 },
1339 { 64, 0x0, 0x0, 2 },
1340 { 68, 0x0, 0x1, 2 },
1341 { 125, 0x0, 0x2, 2 },
1342 { 128, 0x1, 0x0, 2 },
1343 { 136, 0x1, 0x1, 2 },
1344 { 192, 0x2, 0x0, 2 },
1345 { 204, 0x2, 0x1, 2 },
1347 { 250, 0x2, 0x2, 1 },
1348 { 256, 0x3, 0x0, 1 },
1349 { 272, 0x3, 0x1, 1 },
1350 { 384, 0x4, 0x0, 1 },
1351 { 408, 0x4, 0x1, 1 },
1352 { 375, 0x4, 0x2, 1 },
1353 { 512, 0x5, 0x0, 1 },
1354 { 544, 0x5, 0x1, 1 },
1355 { 500, 0x5, 0x2, 1 },
1356 { 768, 0x6, 0x0, 1 },
1357 { 816, 0x6, 0x1, 1 },
1358 { 750, 0x6, 0x2, 1 },
1359 { 1024, 0x7, 0x0, 1 },
1360 { 1088, 0x7, 0x1, 1 },
1361 { 1000, 0x7, 0x2, 1 },
1362 { 1408, 0x8, 0x0, 1 },
1363 { 1496, 0x8, 0x1, 1 },
1364 { 1536, 0x9, 0x0, 1 },
1365 { 1632, 0x9, 0x1, 1 },
1366 { 1500, 0x9, 0x2, 1 },
1368 { 250, 0x2, 0x2, 2 },
1369 { 256, 0x3, 0x0, 2 },
1370 { 272, 0x3, 0x1, 2 },
1371 { 384, 0x4, 0x0, 2 },
1372 { 408, 0x4, 0x1, 2 },
1373 { 375, 0x4, 0x2, 2 },
1374 { 512, 0x5, 0x0, 2 },
1375 { 544, 0x5, 0x1, 2 },
1376 { 500, 0x5, 0x2, 2 },
1377 { 768, 0x6, 0x0, 2 },
1378 { 816, 0x6, 0x1, 2 },
1379 { 750, 0x6, 0x2, 2 },
1380 { 1024, 0x7, 0x0, 2 },
1381 { 1088, 0x7, 0x1, 2 },
1382 { 1000, 0x7, 0x2, 2 },
1383 { 1408, 0x8, 0x0, 2 },
1384 { 1496, 0x8, 0x1, 2 },
1385 { 1536, 0x9, 0x0, 2 },
1386 { 1632, 0x9, 0x1, 2 },
1387 { 1500, 0x9, 0x2, 2 },
1390 /* CLK_SYS/BCLK ratios - multiplied by 10 due to .5s */
1414 /* Sample rates for DSP */
1418 } sample_rates[] = {
1433 static int wm8903_hw_params(struct snd_pcm_substream *substream,
1434 struct snd_pcm_hw_params *params,
1435 struct snd_soc_dai *dai)
1437 struct snd_soc_codec *codec = dai->codec;
1438 struct wm8903_priv *wm8903 = snd_soc_codec_get_drvdata(codec);
1439 int fs = params_rate(params);
1449 u16 aif1 = snd_soc_read(codec, WM8903_AUDIO_INTERFACE_1);
1450 u16 aif2 = snd_soc_read(codec, WM8903_AUDIO_INTERFACE_2);
1451 u16 aif3 = snd_soc_read(codec, WM8903_AUDIO_INTERFACE_3);
1452 u16 clock0 = snd_soc_read(codec, WM8903_CLOCK_RATES_0);
1453 u16 clock1 = snd_soc_read(codec, WM8903_CLOCK_RATES_1);
1454 u16 dac_digital1 = snd_soc_read(codec, WM8903_DAC_DIGITAL_1);
1456 /* Enable sloping stopband filter for low sample rates */
1458 dac_digital1 |= WM8903_DAC_SB_FILT;
1460 dac_digital1 &= ~WM8903_DAC_SB_FILT;
1462 /* Configure sample rate logic for DSP - choose nearest rate */
1464 best_val = abs(sample_rates[dsp_config].rate - fs);
1465 for (i = 1; i < ARRAY_SIZE(sample_rates); i++) {
1466 cur_val = abs(sample_rates[i].rate - fs);
1467 if (cur_val <= best_val) {
1473 dev_dbg(codec->dev, "DSP fs = %dHz\n", sample_rates[dsp_config].rate);
1474 clock1 &= ~WM8903_SAMPLE_RATE_MASK;
1475 clock1 |= sample_rates[dsp_config].value;
1477 aif1 &= ~WM8903_AIF_WL_MASK;
1479 switch (params_width(params)) {
1499 dev_dbg(codec->dev, "MCLK = %dHz, target sample rate = %dHz\n",
1500 wm8903->sysclk, fs);
1502 /* We may not have an MCLK which allows us to generate exactly
1503 * the clock we want, particularly with USB derived inputs, so
1507 best_val = abs((wm8903->sysclk /
1508 (clk_sys_ratios[0].mclk_div *
1509 clk_sys_ratios[0].div)) - fs);
1510 for (i = 1; i < ARRAY_SIZE(clk_sys_ratios); i++) {
1511 cur_val = abs((wm8903->sysclk /
1512 (clk_sys_ratios[i].mclk_div *
1513 clk_sys_ratios[i].div)) - fs);
1515 if (cur_val <= best_val) {
1521 if (clk_sys_ratios[clk_config].mclk_div == 2) {
1522 clock0 |= WM8903_MCLKDIV2;
1523 clk_sys = wm8903->sysclk / 2;
1525 clock0 &= ~WM8903_MCLKDIV2;
1526 clk_sys = wm8903->sysclk;
1529 clock1 &= ~(WM8903_CLK_SYS_RATE_MASK |
1530 WM8903_CLK_SYS_MODE_MASK);
1531 clock1 |= clk_sys_ratios[clk_config].rate << WM8903_CLK_SYS_RATE_SHIFT;
1532 clock1 |= clk_sys_ratios[clk_config].mode << WM8903_CLK_SYS_MODE_SHIFT;
1534 dev_dbg(codec->dev, "CLK_SYS_RATE=%x, CLK_SYS_MODE=%x div=%d\n",
1535 clk_sys_ratios[clk_config].rate,
1536 clk_sys_ratios[clk_config].mode,
1537 clk_sys_ratios[clk_config].div);
1539 dev_dbg(codec->dev, "Actual CLK_SYS = %dHz\n", clk_sys);
1541 /* We may not get quite the right frequency if using
1542 * approximate clocks so look for the closest match that is
1543 * higher than the target (we need to ensure that there enough
1544 * BCLKs to clock out the samples).
1547 best_val = ((clk_sys * 10) / bclk_divs[0].ratio) - bclk;
1549 while (i < ARRAY_SIZE(bclk_divs)) {
1550 cur_val = ((clk_sys * 10) / bclk_divs[i].ratio) - bclk;
1551 if (cur_val < 0) /* BCLK table is sorted */
1558 aif2 &= ~WM8903_BCLK_DIV_MASK;
1559 aif3 &= ~WM8903_LRCLK_RATE_MASK;
1561 dev_dbg(codec->dev, "BCLK ratio %d for %dHz - actual BCLK = %dHz\n",
1562 bclk_divs[bclk_div].ratio / 10, bclk,
1563 (clk_sys * 10) / bclk_divs[bclk_div].ratio);
1565 aif2 |= bclk_divs[bclk_div].div;
1568 wm8903->fs = params_rate(params);
1569 wm8903_set_deemph(codec);
1571 snd_soc_write(codec, WM8903_CLOCK_RATES_0, clock0);
1572 snd_soc_write(codec, WM8903_CLOCK_RATES_1, clock1);
1573 snd_soc_write(codec, WM8903_AUDIO_INTERFACE_1, aif1);
1574 snd_soc_write(codec, WM8903_AUDIO_INTERFACE_2, aif2);
1575 snd_soc_write(codec, WM8903_AUDIO_INTERFACE_3, aif3);
1576 snd_soc_write(codec, WM8903_DAC_DIGITAL_1, dac_digital1);
1582 * wm8903_mic_detect - Enable microphone detection via the WM8903 IRQ
1584 * @codec: WM8903 codec
1585 * @jack: jack to report detection events on
1586 * @det: value to report for presence detection
1587 * @shrt: value to report for short detection
1589 * Enable microphone detection via IRQ on the WM8903. If GPIOs are
1590 * being used to bring out signals to the processor then only platform
1591 * data configuration is needed for WM8903 and processor GPIOs should
1592 * be configured using snd_soc_jack_add_gpios() instead.
1594 * The current threasholds for detection should be configured using
1595 * micdet_cfg in the platform data. Using this function will force on
1596 * the microphone bias for the device.
1598 int wm8903_mic_detect(struct snd_soc_codec *codec, struct snd_soc_jack *jack,
1601 struct wm8903_priv *wm8903 = snd_soc_codec_get_drvdata(codec);
1602 int irq_mask = WM8903_MICDET_EINT | WM8903_MICSHRT_EINT;
1604 dev_dbg(codec->dev, "Enabling microphone detection: %x %x\n",
1607 /* Store the configuration */
1608 wm8903->mic_jack = jack;
1609 wm8903->mic_det = det;
1610 wm8903->mic_short = shrt;
1612 /* Enable interrupts we've got a report configured for */
1614 irq_mask &= ~WM8903_MICDET_EINT;
1616 irq_mask &= ~WM8903_MICSHRT_EINT;
1618 snd_soc_update_bits(codec, WM8903_INTERRUPT_STATUS_1_MASK,
1619 WM8903_MICDET_EINT | WM8903_MICSHRT_EINT,
1623 /* Enable mic detection, this may not have been set through
1624 * platform data (eg, if the defaults are OK). */
1625 snd_soc_update_bits(codec, WM8903_WRITE_SEQUENCER_0,
1626 WM8903_WSEQ_ENA, WM8903_WSEQ_ENA);
1627 snd_soc_update_bits(codec, WM8903_MIC_BIAS_CONTROL_0,
1628 WM8903_MICDET_ENA, WM8903_MICDET_ENA);
1630 snd_soc_update_bits(codec, WM8903_MIC_BIAS_CONTROL_0,
1631 WM8903_MICDET_ENA, 0);
1636 EXPORT_SYMBOL_GPL(wm8903_mic_detect);
1638 static irqreturn_t wm8903_irq(int irq, void *data)
1640 struct wm8903_priv *wm8903 = data;
1641 int mic_report, ret;
1642 unsigned int int_val, mask, int_pol;
1644 ret = regmap_read(wm8903->regmap, WM8903_INTERRUPT_STATUS_1_MASK,
1647 dev_err(wm8903->dev, "Failed to read IRQ mask: %d\n", ret);
1651 ret = regmap_read(wm8903->regmap, WM8903_INTERRUPT_STATUS_1, &int_val);
1653 dev_err(wm8903->dev, "Failed to read IRQ status: %d\n", ret);
1659 if (int_val & WM8903_WSEQ_BUSY_EINT) {
1660 dev_warn(wm8903->dev, "Write sequencer done\n");
1664 * The rest is microphone jack detection. We need to manually
1665 * invert the polarity of the interrupt after each event - to
1666 * simplify the code keep track of the last state we reported
1667 * and just invert the relevant bits in both the report and
1668 * the polarity register.
1670 mic_report = wm8903->mic_last_report;
1671 ret = regmap_read(wm8903->regmap, WM8903_INTERRUPT_POLARITY_1,
1674 dev_err(wm8903->dev, "Failed to read interrupt polarity: %d\n",
1679 #ifndef CONFIG_SND_SOC_WM8903_MODULE
1680 if (int_val & (WM8903_MICSHRT_EINT | WM8903_MICDET_EINT))
1681 trace_snd_soc_jack_irq(dev_name(wm8903->dev));
1684 if (int_val & WM8903_MICSHRT_EINT) {
1685 dev_dbg(wm8903->dev, "Microphone short (pol=%x)\n", int_pol);
1687 mic_report ^= wm8903->mic_short;
1688 int_pol ^= WM8903_MICSHRT_INV;
1691 if (int_val & WM8903_MICDET_EINT) {
1692 dev_dbg(wm8903->dev, "Microphone detect (pol=%x)\n", int_pol);
1694 mic_report ^= wm8903->mic_det;
1695 int_pol ^= WM8903_MICDET_INV;
1697 msleep(wm8903->mic_delay);
1700 regmap_update_bits(wm8903->regmap, WM8903_INTERRUPT_POLARITY_1,
1701 WM8903_MICSHRT_INV | WM8903_MICDET_INV, int_pol);
1703 snd_soc_jack_report(wm8903->mic_jack, mic_report,
1704 wm8903->mic_short | wm8903->mic_det);
1706 wm8903->mic_last_report = mic_report;
1711 #define WM8903_PLAYBACK_RATES (SNDRV_PCM_RATE_8000 |\
1712 SNDRV_PCM_RATE_11025 | \
1713 SNDRV_PCM_RATE_16000 | \
1714 SNDRV_PCM_RATE_22050 | \
1715 SNDRV_PCM_RATE_32000 | \
1716 SNDRV_PCM_RATE_44100 | \
1717 SNDRV_PCM_RATE_48000 | \
1718 SNDRV_PCM_RATE_88200 | \
1719 SNDRV_PCM_RATE_96000)
1721 #define WM8903_CAPTURE_RATES (SNDRV_PCM_RATE_8000 |\
1722 SNDRV_PCM_RATE_11025 | \
1723 SNDRV_PCM_RATE_16000 | \
1724 SNDRV_PCM_RATE_22050 | \
1725 SNDRV_PCM_RATE_32000 | \
1726 SNDRV_PCM_RATE_44100 | \
1727 SNDRV_PCM_RATE_48000)
1729 #define WM8903_FORMATS (SNDRV_PCM_FMTBIT_S16_LE |\
1730 SNDRV_PCM_FMTBIT_S20_3LE |\
1731 SNDRV_PCM_FMTBIT_S24_LE)
1733 static const struct snd_soc_dai_ops wm8903_dai_ops = {
1734 .hw_params = wm8903_hw_params,
1735 .digital_mute = wm8903_digital_mute,
1736 .set_fmt = wm8903_set_dai_fmt,
1737 .set_sysclk = wm8903_set_dai_sysclk,
1740 static struct snd_soc_dai_driver wm8903_dai = {
1741 .name = "wm8903-hifi",
1743 .stream_name = "Playback",
1746 .rates = WM8903_PLAYBACK_RATES,
1747 .formats = WM8903_FORMATS,
1750 .stream_name = "Capture",
1753 .rates = WM8903_CAPTURE_RATES,
1754 .formats = WM8903_FORMATS,
1756 .ops = &wm8903_dai_ops,
1757 .symmetric_rates = 1,
1760 static int wm8903_suspend(struct snd_soc_codec *codec)
1762 wm8903_set_bias_level(codec, SND_SOC_BIAS_OFF);
1767 static int wm8903_resume(struct snd_soc_codec *codec)
1769 struct wm8903_priv *wm8903 = snd_soc_codec_get_drvdata(codec);
1771 regcache_sync(wm8903->regmap);
1773 wm8903_set_bias_level(codec, SND_SOC_BIAS_STANDBY);
1778 #ifdef CONFIG_GPIOLIB
1779 static inline struct wm8903_priv *gpio_to_wm8903(struct gpio_chip *chip)
1781 return container_of(chip, struct wm8903_priv, gpio_chip);
1784 static int wm8903_gpio_request(struct gpio_chip *chip, unsigned offset)
1786 if (offset >= WM8903_NUM_GPIO)
1792 static int wm8903_gpio_direction_in(struct gpio_chip *chip, unsigned offset)
1794 struct wm8903_priv *wm8903 = gpio_to_wm8903(chip);
1795 unsigned int mask, val;
1798 mask = WM8903_GP1_FN_MASK | WM8903_GP1_DIR_MASK;
1799 val = (WM8903_GPn_FN_GPIO_INPUT << WM8903_GP1_FN_SHIFT) |
1802 ret = regmap_update_bits(wm8903->regmap,
1803 WM8903_GPIO_CONTROL_1 + offset, mask, val);
1810 static int wm8903_gpio_get(struct gpio_chip *chip, unsigned offset)
1812 struct wm8903_priv *wm8903 = gpio_to_wm8903(chip);
1815 regmap_read(wm8903->regmap, WM8903_GPIO_CONTROL_1 + offset, ®);
1817 return (reg & WM8903_GP1_LVL_MASK) >> WM8903_GP1_LVL_SHIFT;
1820 static int wm8903_gpio_direction_out(struct gpio_chip *chip,
1821 unsigned offset, int value)
1823 struct wm8903_priv *wm8903 = gpio_to_wm8903(chip);
1824 unsigned int mask, val;
1827 mask = WM8903_GP1_FN_MASK | WM8903_GP1_DIR_MASK | WM8903_GP1_LVL_MASK;
1828 val = (WM8903_GPn_FN_GPIO_OUTPUT << WM8903_GP1_FN_SHIFT) |
1829 (value << WM8903_GP2_LVL_SHIFT);
1831 ret = regmap_update_bits(wm8903->regmap,
1832 WM8903_GPIO_CONTROL_1 + offset, mask, val);
1839 static void wm8903_gpio_set(struct gpio_chip *chip, unsigned offset, int value)
1841 struct wm8903_priv *wm8903 = gpio_to_wm8903(chip);
1843 regmap_update_bits(wm8903->regmap, WM8903_GPIO_CONTROL_1 + offset,
1844 WM8903_GP1_LVL_MASK,
1845 !!value << WM8903_GP1_LVL_SHIFT);
1848 static struct gpio_chip wm8903_template_chip = {
1850 .owner = THIS_MODULE,
1851 .request = wm8903_gpio_request,
1852 .direction_input = wm8903_gpio_direction_in,
1853 .get = wm8903_gpio_get,
1854 .direction_output = wm8903_gpio_direction_out,
1855 .set = wm8903_gpio_set,
1859 static void wm8903_init_gpio(struct wm8903_priv *wm8903)
1861 struct wm8903_platform_data *pdata = wm8903->pdata;
1864 wm8903->gpio_chip = wm8903_template_chip;
1865 wm8903->gpio_chip.ngpio = WM8903_NUM_GPIO;
1866 wm8903->gpio_chip.dev = wm8903->dev;
1868 if (pdata->gpio_base)
1869 wm8903->gpio_chip.base = pdata->gpio_base;
1871 wm8903->gpio_chip.base = -1;
1873 ret = gpiochip_add(&wm8903->gpio_chip);
1875 dev_err(wm8903->dev, "Failed to add GPIOs: %d\n", ret);
1878 static void wm8903_free_gpio(struct wm8903_priv *wm8903)
1880 gpiochip_remove(&wm8903->gpio_chip);
1883 static void wm8903_init_gpio(struct wm8903_priv *wm8903)
1887 static void wm8903_free_gpio(struct wm8903_priv *wm8903)
1892 static int wm8903_probe(struct snd_soc_codec *codec)
1894 struct wm8903_priv *wm8903 = snd_soc_codec_get_drvdata(codec);
1896 wm8903->codec = codec;
1898 /* power on device */
1899 wm8903_set_bias_level(codec, SND_SOC_BIAS_STANDBY);
1904 /* power down chip */
1905 static int wm8903_remove(struct snd_soc_codec *codec)
1907 wm8903_set_bias_level(codec, SND_SOC_BIAS_OFF);
1912 static struct snd_soc_codec_driver soc_codec_dev_wm8903 = {
1913 .probe = wm8903_probe,
1914 .remove = wm8903_remove,
1915 .suspend = wm8903_suspend,
1916 .resume = wm8903_resume,
1917 .set_bias_level = wm8903_set_bias_level,
1918 .seq_notifier = wm8903_seq_notifier,
1919 .controls = wm8903_snd_controls,
1920 .num_controls = ARRAY_SIZE(wm8903_snd_controls),
1921 .dapm_widgets = wm8903_dapm_widgets,
1922 .num_dapm_widgets = ARRAY_SIZE(wm8903_dapm_widgets),
1923 .dapm_routes = wm8903_intercon,
1924 .num_dapm_routes = ARRAY_SIZE(wm8903_intercon),
1927 static const struct regmap_config wm8903_regmap = {
1931 .max_register = WM8903_MAX_REGISTER,
1932 .volatile_reg = wm8903_volatile_register,
1933 .readable_reg = wm8903_readable_register,
1935 .cache_type = REGCACHE_RBTREE,
1936 .reg_defaults = wm8903_reg_defaults,
1937 .num_reg_defaults = ARRAY_SIZE(wm8903_reg_defaults),
1940 static int wm8903_set_pdata_irq_trigger(struct i2c_client *i2c,
1941 struct wm8903_platform_data *pdata)
1943 struct irq_data *irq_data = irq_get_irq_data(i2c->irq);
1945 dev_err(&i2c->dev, "Invalid IRQ: %d\n",
1950 switch (irqd_get_trigger_type(irq_data)) {
1954 * We assume the controller imposes no restrictions,
1955 * so we are able to select active-high
1958 case IRQ_TYPE_LEVEL_HIGH:
1959 pdata->irq_active_low = false;
1961 case IRQ_TYPE_LEVEL_LOW:
1962 pdata->irq_active_low = true;
1969 static int wm8903_set_pdata_from_of(struct i2c_client *i2c,
1970 struct wm8903_platform_data *pdata)
1972 const struct device_node *np = i2c->dev.of_node;
1976 if (of_property_read_u32(np, "micdet-cfg", &val32) >= 0)
1977 pdata->micdet_cfg = val32;
1979 if (of_property_read_u32(np, "micdet-delay", &val32) >= 0)
1980 pdata->micdet_delay = val32;
1982 if (of_property_read_u32_array(np, "gpio-cfg", pdata->gpio_cfg,
1983 ARRAY_SIZE(pdata->gpio_cfg)) >= 0) {
1985 * In device tree: 0 means "write 0",
1986 * 0xffffffff means "don't touch".
1988 * In platform data: 0 means "don't touch",
1989 * 0x8000 means "write 0".
1991 * Note: WM8903_GPIO_CONFIG_ZERO == 0x8000.
1993 * Convert from DT to pdata representation here,
1994 * so no other code needs to change.
1996 for (i = 0; i < ARRAY_SIZE(pdata->gpio_cfg); i++) {
1997 if (pdata->gpio_cfg[i] == 0) {
1998 pdata->gpio_cfg[i] = WM8903_GPIO_CONFIG_ZERO;
1999 } else if (pdata->gpio_cfg[i] == 0xffffffff) {
2000 pdata->gpio_cfg[i] = 0;
2001 } else if (pdata->gpio_cfg[i] > 0x7fff) {
2002 dev_err(&i2c->dev, "Invalid gpio-cfg[%d] %x\n",
2003 i, pdata->gpio_cfg[i]);
2012 static int wm8903_i2c_probe(struct i2c_client *i2c,
2013 const struct i2c_device_id *id)
2015 struct wm8903_platform_data *pdata = dev_get_platdata(&i2c->dev);
2016 struct wm8903_priv *wm8903;
2018 bool mic_gpio = false;
2019 unsigned int val, irq_pol;
2022 wm8903 = devm_kzalloc(&i2c->dev, sizeof(struct wm8903_priv),
2026 wm8903->dev = &i2c->dev;
2028 wm8903->regmap = devm_regmap_init_i2c(i2c, &wm8903_regmap);
2029 if (IS_ERR(wm8903->regmap)) {
2030 ret = PTR_ERR(wm8903->regmap);
2031 dev_err(&i2c->dev, "Failed to allocate register map: %d\n",
2036 i2c_set_clientdata(i2c, wm8903);
2038 /* If no platform data was supplied, create storage for defaults */
2040 wm8903->pdata = pdata;
2042 wm8903->pdata = devm_kzalloc(&i2c->dev,
2043 sizeof(struct wm8903_platform_data),
2045 if (wm8903->pdata == NULL) {
2046 dev_err(&i2c->dev, "Failed to allocate pdata\n");
2051 ret = wm8903_set_pdata_irq_trigger(i2c, wm8903->pdata);
2056 if (i2c->dev.of_node) {
2057 ret = wm8903_set_pdata_from_of(i2c, wm8903->pdata);
2063 pdata = wm8903->pdata;
2065 ret = regmap_read(wm8903->regmap, WM8903_SW_RESET_AND_ID, &val);
2067 dev_err(&i2c->dev, "Failed to read chip ID: %d\n", ret);
2070 if (val != 0x8903) {
2071 dev_err(&i2c->dev, "Device with ID %x is not a WM8903\n", val);
2076 ret = regmap_read(wm8903->regmap, WM8903_REVISION_NUMBER, &val);
2078 dev_err(&i2c->dev, "Failed to read chip revision: %d\n", ret);
2081 dev_info(&i2c->dev, "WM8903 revision %c\n",
2082 (val & WM8903_CHIP_REV_MASK) + 'A');
2084 /* Reset the device */
2085 regmap_write(wm8903->regmap, WM8903_SW_RESET_AND_ID, 0x8903);
2087 wm8903_init_gpio(wm8903);
2089 /* Set up GPIO pin state, detect if any are MIC detect outputs */
2090 for (i = 0; i < ARRAY_SIZE(pdata->gpio_cfg); i++) {
2091 if ((!pdata->gpio_cfg[i]) ||
2092 (pdata->gpio_cfg[i] > WM8903_GPIO_CONFIG_ZERO))
2095 regmap_write(wm8903->regmap, WM8903_GPIO_CONTROL_1 + i,
2096 pdata->gpio_cfg[i] & 0x7fff);
2098 val = (pdata->gpio_cfg[i] & WM8903_GP1_FN_MASK)
2099 >> WM8903_GP1_FN_SHIFT;
2102 case WM8903_GPn_FN_MICBIAS_CURRENT_DETECT:
2103 case WM8903_GPn_FN_MICBIAS_SHORT_DETECT:
2111 /* Set up microphone detection */
2112 regmap_write(wm8903->regmap, WM8903_MIC_BIAS_CONTROL_0,
2115 /* Microphone detection needs the WSEQ clock */
2116 if (pdata->micdet_cfg)
2117 regmap_update_bits(wm8903->regmap, WM8903_WRITE_SEQUENCER_0,
2118 WM8903_WSEQ_ENA, WM8903_WSEQ_ENA);
2120 /* If microphone detection is enabled by pdata but
2121 * detected via IRQ then interrupts can be lost before
2122 * the machine driver has set up microphone detection
2123 * IRQs as the IRQs are clear on read. The detection
2124 * will be enabled when the machine driver configures.
2126 WARN_ON(!mic_gpio && (pdata->micdet_cfg & WM8903_MICDET_ENA));
2128 wm8903->mic_delay = pdata->micdet_delay;
2131 if (pdata->irq_active_low) {
2132 trigger = IRQF_TRIGGER_LOW;
2133 irq_pol = WM8903_IRQ_POL;
2135 trigger = IRQF_TRIGGER_HIGH;
2139 regmap_update_bits(wm8903->regmap, WM8903_INTERRUPT_CONTROL,
2140 WM8903_IRQ_POL, irq_pol);
2142 ret = request_threaded_irq(i2c->irq, NULL, wm8903_irq,
2143 trigger | IRQF_ONESHOT,
2146 dev_err(wm8903->dev, "Failed to request IRQ: %d\n",
2151 /* Enable write sequencer interrupts */
2152 regmap_update_bits(wm8903->regmap,
2153 WM8903_INTERRUPT_STATUS_1_MASK,
2154 WM8903_IM_WSEQ_BUSY_EINT, 0);
2157 /* Latch volume update bits */
2158 regmap_update_bits(wm8903->regmap, WM8903_ADC_DIGITAL_VOLUME_LEFT,
2159 WM8903_ADCVU, WM8903_ADCVU);
2160 regmap_update_bits(wm8903->regmap, WM8903_ADC_DIGITAL_VOLUME_RIGHT,
2161 WM8903_ADCVU, WM8903_ADCVU);
2163 regmap_update_bits(wm8903->regmap, WM8903_DAC_DIGITAL_VOLUME_LEFT,
2164 WM8903_DACVU, WM8903_DACVU);
2165 regmap_update_bits(wm8903->regmap, WM8903_DAC_DIGITAL_VOLUME_RIGHT,
2166 WM8903_DACVU, WM8903_DACVU);
2168 regmap_update_bits(wm8903->regmap, WM8903_ANALOGUE_OUT1_LEFT,
2169 WM8903_HPOUTVU, WM8903_HPOUTVU);
2170 regmap_update_bits(wm8903->regmap, WM8903_ANALOGUE_OUT1_RIGHT,
2171 WM8903_HPOUTVU, WM8903_HPOUTVU);
2173 regmap_update_bits(wm8903->regmap, WM8903_ANALOGUE_OUT2_LEFT,
2174 WM8903_LINEOUTVU, WM8903_LINEOUTVU);
2175 regmap_update_bits(wm8903->regmap, WM8903_ANALOGUE_OUT2_RIGHT,
2176 WM8903_LINEOUTVU, WM8903_LINEOUTVU);
2178 regmap_update_bits(wm8903->regmap, WM8903_ANALOGUE_OUT3_LEFT,
2179 WM8903_SPKVU, WM8903_SPKVU);
2180 regmap_update_bits(wm8903->regmap, WM8903_ANALOGUE_OUT3_RIGHT,
2181 WM8903_SPKVU, WM8903_SPKVU);
2183 /* Enable DAC soft mute by default */
2184 regmap_update_bits(wm8903->regmap, WM8903_DAC_DIGITAL_1,
2185 WM8903_DAC_MUTEMODE | WM8903_DAC_MUTE,
2186 WM8903_DAC_MUTEMODE | WM8903_DAC_MUTE);
2188 ret = snd_soc_register_codec(&i2c->dev,
2189 &soc_codec_dev_wm8903, &wm8903_dai, 1);
2198 static int wm8903_i2c_remove(struct i2c_client *client)
2200 struct wm8903_priv *wm8903 = i2c_get_clientdata(client);
2203 free_irq(client->irq, wm8903);
2204 wm8903_free_gpio(wm8903);
2205 snd_soc_unregister_codec(&client->dev);
2210 static const struct of_device_id wm8903_of_match[] = {
2211 { .compatible = "wlf,wm8903", },
2214 MODULE_DEVICE_TABLE(of, wm8903_of_match);
2216 static const struct i2c_device_id wm8903_i2c_id[] = {
2220 MODULE_DEVICE_TABLE(i2c, wm8903_i2c_id);
2222 static struct i2c_driver wm8903_i2c_driver = {
2225 .owner = THIS_MODULE,
2226 .of_match_table = wm8903_of_match,
2228 .probe = wm8903_i2c_probe,
2229 .remove = wm8903_i2c_remove,
2230 .id_table = wm8903_i2c_id,
2233 module_i2c_driver(wm8903_i2c_driver);
2235 MODULE_DESCRIPTION("ASoC WM8903 driver");
2236 MODULE_AUTHOR("Mark Brown <broonie@opensource.wolfsonmicro.cm>");
2237 MODULE_LICENSE("GPL");