2 * wm8903.c -- WM8903 ALSA SoC Audio driver
4 * Copyright 2008 Wolfson Microelectronics
5 * Copyright 2011 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/platform_device.h>
27 #include <linux/slab.h>
28 #include <sound/core.h>
29 #include <sound/jack.h>
30 #include <sound/pcm.h>
31 #include <sound/pcm_params.h>
32 #include <sound/tlv.h>
33 #include <sound/soc.h>
34 #include <sound/initval.h>
35 #include <sound/wm8903.h>
36 #include <trace/events/asoc.h>
40 /* Register defaults at reset */
41 static u16 wm8903_reg_defaults[] = {
42 0x8903, /* R0 - SW Reset and ID */
43 0x0000, /* R1 - Revision Number */
46 0x0018, /* R4 - Bias Control 0 */
47 0x0000, /* R5 - VMID Control 0 */
48 0x0000, /* R6 - Mic Bias Control 0 */
50 0x0001, /* R8 - Analogue DAC 0 */
52 0x0001, /* R10 - Analogue ADC 0 */
54 0x0000, /* R12 - Power Management 0 */
55 0x0000, /* R13 - Power Management 1 */
56 0x0000, /* R14 - Power Management 2 */
57 0x0000, /* R15 - Power Management 3 */
58 0x0000, /* R16 - Power Management 4 */
59 0x0000, /* R17 - Power Management 5 */
60 0x0000, /* R18 - Power Management 6 */
62 0x0400, /* R20 - Clock Rates 0 */
63 0x0D07, /* R21 - Clock Rates 1 */
64 0x0000, /* R22 - Clock Rates 2 */
66 0x0050, /* R24 - Audio Interface 0 */
67 0x0242, /* R25 - Audio Interface 1 */
68 0x0008, /* R26 - Audio Interface 2 */
69 0x0022, /* R27 - Audio Interface 3 */
72 0x00C0, /* R30 - DAC Digital Volume Left */
73 0x00C0, /* R31 - DAC Digital Volume Right */
74 0x0000, /* R32 - DAC Digital 0 */
75 0x0000, /* R33 - DAC Digital 1 */
78 0x00C0, /* R36 - ADC Digital Volume Left */
79 0x00C0, /* R37 - ADC Digital Volume Right */
80 0x0000, /* R38 - ADC Digital 0 */
81 0x0073, /* R39 - Digital Microphone 0 */
82 0x09BF, /* R40 - DRC 0 */
83 0x3241, /* R41 - DRC 1 */
84 0x0020, /* R42 - DRC 2 */
85 0x0000, /* R43 - DRC 3 */
86 0x0085, /* R44 - Analogue Left Input 0 */
87 0x0085, /* R45 - Analogue Right Input 0 */
88 0x0044, /* R46 - Analogue Left Input 1 */
89 0x0044, /* R47 - Analogue Right Input 1 */
92 0x0008, /* R50 - Analogue Left Mix 0 */
93 0x0004, /* R51 - Analogue Right Mix 0 */
94 0x0000, /* R52 - Analogue Spk Mix Left 0 */
95 0x0000, /* R53 - Analogue Spk Mix Left 1 */
96 0x0000, /* R54 - Analogue Spk Mix Right 0 */
97 0x0000, /* R55 - Analogue Spk Mix Right 1 */
99 0x002D, /* R57 - Analogue OUT1 Left */
100 0x002D, /* R58 - Analogue OUT1 Right */
101 0x0039, /* R59 - Analogue OUT2 Left */
102 0x0039, /* R60 - Analogue OUT2 Right */
104 0x0139, /* R62 - Analogue OUT3 Left */
105 0x0139, /* R63 - Analogue OUT3 Right */
107 0x0000, /* R65 - Analogue SPK Output Control 0 */
109 0x0010, /* R67 - DC Servo 0 */
111 0x00A4, /* R69 - DC Servo 2 */
132 0x0000, /* R90 - Analogue HP 0 */
136 0x0000, /* R94 - Analogue Lineout 0 */
140 0x0000, /* R98 - Charge Pump 0 */
146 0x0000, /* R104 - Class W 0 */
150 0x0000, /* R108 - Write Sequencer 0 */
151 0x0000, /* R109 - Write Sequencer 1 */
152 0x0000, /* R110 - Write Sequencer 2 */
153 0x0000, /* R111 - Write Sequencer 3 */
154 0x0000, /* R112 - Write Sequencer 4 */
156 0x0000, /* R114 - Control Interface */
158 0x00A8, /* R116 - GPIO Control 1 */
159 0x00A8, /* R117 - GPIO Control 2 */
160 0x00A8, /* R118 - GPIO Control 3 */
161 0x0220, /* R119 - GPIO Control 4 */
162 0x01A0, /* R120 - GPIO Control 5 */
163 0x0000, /* R121 - Interrupt Status 1 */
164 0xFFFF, /* R122 - Interrupt Status 1 Mask */
165 0x0000, /* R123 - Interrupt Polarity 1 */
168 0x0000, /* R126 - Interrupt Control */
171 0x0000, /* R129 - Control Interface Test 1 */
191 0x6810, /* R149 - Charge Pump Test 1 */
206 0x0028, /* R164 - Clock Rate Test 4 */
214 0x0000, /* R172 - Analogue Output Bias 0 */
218 struct snd_soc_codec *codec;
229 /* Reference count */
232 struct snd_soc_jack *mic_jack;
238 #ifdef CONFIG_GPIOLIB
239 struct gpio_chip gpio_chip;
243 static int wm8903_volatile_register(struct snd_soc_codec *codec, unsigned int reg)
246 case WM8903_SW_RESET_AND_ID:
247 case WM8903_REVISION_NUMBER:
248 case WM8903_INTERRUPT_STATUS_1:
249 case WM8903_WRITE_SEQUENCER_4:
250 case WM8903_DC_SERVO_READBACK_1:
251 case WM8903_DC_SERVO_READBACK_2:
252 case WM8903_DC_SERVO_READBACK_3:
253 case WM8903_DC_SERVO_READBACK_4:
261 static void wm8903_reset(struct snd_soc_codec *codec)
263 snd_soc_write(codec, WM8903_SW_RESET_AND_ID, 0);
264 memcpy(codec->reg_cache, wm8903_reg_defaults,
265 sizeof(wm8903_reg_defaults));
268 static int wm8903_cp_event(struct snd_soc_dapm_widget *w,
269 struct snd_kcontrol *kcontrol, int event)
271 WARN_ON(event != SND_SOC_DAPM_POST_PMU);
277 static int wm8903_dcs_event(struct snd_soc_dapm_widget *w,
278 struct snd_kcontrol *kcontrol, int event)
280 struct snd_soc_codec *codec = w->codec;
281 struct wm8903_priv *wm8903 = snd_soc_codec_get_drvdata(codec);
284 case SND_SOC_DAPM_POST_PMU:
285 wm8903->dcs_pending |= 1 << w->shift;
287 case SND_SOC_DAPM_PRE_PMD:
288 snd_soc_update_bits(codec, WM8903_DC_SERVO_0,
296 #define WM8903_DCS_MODE_WRITE_STOP 0
297 #define WM8903_DCS_MODE_START_STOP 2
299 static void wm8903_seq_notifier(struct snd_soc_dapm_context *dapm,
300 enum snd_soc_dapm_type event, int subseq)
302 struct snd_soc_codec *codec = container_of(dapm,
303 struct snd_soc_codec, dapm);
304 struct wm8903_priv *wm8903 = snd_soc_codec_get_drvdata(codec);
305 int dcs_mode = WM8903_DCS_MODE_WRITE_STOP;
308 /* Complete any pending DC servo starts */
309 if (wm8903->dcs_pending) {
310 dev_dbg(codec->dev, "Starting DC servo for %x\n",
311 wm8903->dcs_pending);
313 /* If we've no cached values then we need to do startup */
314 for (i = 0; i < ARRAY_SIZE(wm8903->dcs_cache); i++) {
315 if (!(wm8903->dcs_pending & (1 << i)))
318 if (wm8903->dcs_cache[i]) {
320 "Restore DC servo %d value %x\n",
321 3 - i, wm8903->dcs_cache[i]);
323 snd_soc_write(codec, WM8903_DC_SERVO_4 + i,
324 wm8903->dcs_cache[i] & 0xff);
327 "Calibrate DC servo %d\n", 3 - i);
328 dcs_mode = WM8903_DCS_MODE_START_STOP;
332 /* Don't trust the cache for analogue */
333 if (wm8903->class_w_users)
334 dcs_mode = WM8903_DCS_MODE_START_STOP;
336 snd_soc_update_bits(codec, WM8903_DC_SERVO_2,
337 WM8903_DCS_MODE_MASK, dcs_mode);
339 snd_soc_update_bits(codec, WM8903_DC_SERVO_0,
340 WM8903_DCS_ENA_MASK, wm8903->dcs_pending);
343 case WM8903_DCS_MODE_WRITE_STOP:
346 case WM8903_DCS_MODE_START_STOP:
349 /* Cache the measured offsets for digital */
350 if (wm8903->class_w_users)
353 for (i = 0; i < ARRAY_SIZE(wm8903->dcs_cache); i++) {
354 if (!(wm8903->dcs_pending & (1 << i)))
357 val = snd_soc_read(codec,
358 WM8903_DC_SERVO_READBACK_1 + i);
359 dev_dbg(codec->dev, "DC servo %d: %x\n",
361 wm8903->dcs_cache[i] = val;
366 pr_warn("DCS mode %d delay not set\n", dcs_mode);
370 wm8903->dcs_pending = 0;
375 * When used with DAC outputs only the WM8903 charge pump supports
376 * operation in class W mode, providing very low power consumption
377 * when used with digital sources. Enable and disable this mode
378 * automatically depending on the mixer configuration.
380 * All the relevant controls are simple switches.
382 static int wm8903_class_w_put(struct snd_kcontrol *kcontrol,
383 struct snd_ctl_elem_value *ucontrol)
385 struct snd_soc_dapm_widget *widget = snd_kcontrol_chip(kcontrol);
386 struct snd_soc_codec *codec = widget->codec;
387 struct wm8903_priv *wm8903 = snd_soc_codec_get_drvdata(codec);
391 reg = snd_soc_read(codec, WM8903_CLASS_W_0);
393 /* Turn it off if we're about to enable bypass */
394 if (ucontrol->value.integer.value[0]) {
395 if (wm8903->class_w_users == 0) {
396 dev_dbg(codec->dev, "Disabling Class W\n");
397 snd_soc_write(codec, WM8903_CLASS_W_0, reg &
398 ~(WM8903_CP_DYN_FREQ | WM8903_CP_DYN_V));
400 wm8903->class_w_users++;
403 /* Implement the change */
404 ret = snd_soc_dapm_put_volsw(kcontrol, ucontrol);
406 /* If we've just disabled the last bypass path turn Class W on */
407 if (!ucontrol->value.integer.value[0]) {
408 if (wm8903->class_w_users == 1) {
409 dev_dbg(codec->dev, "Enabling Class W\n");
410 snd_soc_write(codec, WM8903_CLASS_W_0, reg |
411 WM8903_CP_DYN_FREQ | WM8903_CP_DYN_V);
413 wm8903->class_w_users--;
416 dev_dbg(codec->dev, "Bypass use count now %d\n",
417 wm8903->class_w_users);
422 #define SOC_DAPM_SINGLE_W(xname, reg, shift, max, invert) \
423 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \
424 .info = snd_soc_info_volsw, \
425 .get = snd_soc_dapm_get_volsw, .put = wm8903_class_w_put, \
426 .private_value = SOC_SINGLE_VALUE(reg, shift, max, invert) }
429 static int wm8903_deemph[] = { 0, 32000, 44100, 48000 };
431 static int wm8903_set_deemph(struct snd_soc_codec *codec)
433 struct wm8903_priv *wm8903 = snd_soc_codec_get_drvdata(codec);
436 /* If we're using deemphasis select the nearest available sample
439 if (wm8903->deemph) {
441 for (i = 2; i < ARRAY_SIZE(wm8903_deemph); i++) {
442 if (abs(wm8903_deemph[i] - wm8903->fs) <
443 abs(wm8903_deemph[best] - wm8903->fs))
447 val = best << WM8903_DEEMPH_SHIFT;
453 dev_dbg(codec->dev, "Set deemphasis %d (%dHz)\n",
454 best, wm8903_deemph[best]);
456 return snd_soc_update_bits(codec, WM8903_DAC_DIGITAL_1,
457 WM8903_DEEMPH_MASK, val);
460 static int wm8903_get_deemph(struct snd_kcontrol *kcontrol,
461 struct snd_ctl_elem_value *ucontrol)
463 struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
464 struct wm8903_priv *wm8903 = snd_soc_codec_get_drvdata(codec);
466 ucontrol->value.enumerated.item[0] = wm8903->deemph;
471 static int wm8903_put_deemph(struct snd_kcontrol *kcontrol,
472 struct snd_ctl_elem_value *ucontrol)
474 struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
475 struct wm8903_priv *wm8903 = snd_soc_codec_get_drvdata(codec);
476 int deemph = ucontrol->value.enumerated.item[0];
482 mutex_lock(&codec->mutex);
483 if (wm8903->deemph != deemph) {
484 wm8903->deemph = deemph;
486 wm8903_set_deemph(codec);
490 mutex_unlock(&codec->mutex);
495 /* ALSA can only do steps of .01dB */
496 static const DECLARE_TLV_DB_SCALE(digital_tlv, -7200, 75, 1);
498 static const DECLARE_TLV_DB_SCALE(digital_sidetone_tlv, -3600, 300, 0);
499 static const DECLARE_TLV_DB_SCALE(out_tlv, -5700, 100, 0);
501 static const DECLARE_TLV_DB_SCALE(drc_tlv_thresh, 0, 75, 0);
502 static const DECLARE_TLV_DB_SCALE(drc_tlv_amp, -2250, 75, 0);
503 static const DECLARE_TLV_DB_SCALE(drc_tlv_min, 0, 600, 0);
504 static const DECLARE_TLV_DB_SCALE(drc_tlv_max, 1200, 600, 0);
505 static const DECLARE_TLV_DB_SCALE(drc_tlv_startup, -300, 50, 0);
507 static const char *hpf_mode_text[] = {
508 "Hi-fi", "Voice 1", "Voice 2", "Voice 3"
511 static const struct soc_enum hpf_mode =
512 SOC_ENUM_SINGLE(WM8903_ADC_DIGITAL_0, 5, 4, hpf_mode_text);
514 static const char *osr_text[] = {
515 "Low power", "High performance"
518 static const struct soc_enum adc_osr =
519 SOC_ENUM_SINGLE(WM8903_ANALOGUE_ADC_0, 0, 2, osr_text);
521 static const struct soc_enum dac_osr =
522 SOC_ENUM_SINGLE(WM8903_DAC_DIGITAL_1, 0, 2, osr_text);
524 static const char *drc_slope_text[] = {
525 "1", "1/2", "1/4", "1/8", "1/16", "0"
528 static const struct soc_enum drc_slope_r0 =
529 SOC_ENUM_SINGLE(WM8903_DRC_2, 3, 6, drc_slope_text);
531 static const struct soc_enum drc_slope_r1 =
532 SOC_ENUM_SINGLE(WM8903_DRC_2, 0, 6, drc_slope_text);
534 static const char *drc_attack_text[] = {
536 "363us", "762us", "1.45ms", "2.9ms", "5.8ms", "11.6ms", "23.2ms",
537 "46.4ms", "92.8ms", "185.6ms"
540 static const struct soc_enum drc_attack =
541 SOC_ENUM_SINGLE(WM8903_DRC_1, 12, 11, drc_attack_text);
543 static const char *drc_decay_text[] = {
544 "186ms", "372ms", "743ms", "1.49s", "2.97s", "5.94s", "11.89s",
548 static const struct soc_enum drc_decay =
549 SOC_ENUM_SINGLE(WM8903_DRC_1, 8, 9, drc_decay_text);
551 static const char *drc_ff_delay_text[] = {
552 "5 samples", "9 samples"
555 static const struct soc_enum drc_ff_delay =
556 SOC_ENUM_SINGLE(WM8903_DRC_0, 5, 2, drc_ff_delay_text);
558 static const char *drc_qr_decay_text[] = {
559 "0.725ms", "1.45ms", "5.8ms"
562 static const struct soc_enum drc_qr_decay =
563 SOC_ENUM_SINGLE(WM8903_DRC_1, 4, 3, drc_qr_decay_text);
565 static const char *drc_smoothing_text[] = {
566 "Low", "Medium", "High"
569 static const struct soc_enum drc_smoothing =
570 SOC_ENUM_SINGLE(WM8903_DRC_0, 11, 3, drc_smoothing_text);
572 static const char *soft_mute_text[] = {
573 "Fast (fs/2)", "Slow (fs/32)"
576 static const struct soc_enum soft_mute =
577 SOC_ENUM_SINGLE(WM8903_DAC_DIGITAL_1, 10, 2, soft_mute_text);
579 static const char *mute_mode_text[] = {
583 static const struct soc_enum mute_mode =
584 SOC_ENUM_SINGLE(WM8903_DAC_DIGITAL_1, 9, 2, mute_mode_text);
586 static const char *companding_text[] = {
590 static const struct soc_enum dac_companding =
591 SOC_ENUM_SINGLE(WM8903_AUDIO_INTERFACE_0, 0, 2, companding_text);
593 static const struct soc_enum adc_companding =
594 SOC_ENUM_SINGLE(WM8903_AUDIO_INTERFACE_0, 2, 2, companding_text);
596 static const char *input_mode_text[] = {
597 "Single-Ended", "Differential Line", "Differential Mic"
600 static const struct soc_enum linput_mode_enum =
601 SOC_ENUM_SINGLE(WM8903_ANALOGUE_LEFT_INPUT_1, 0, 3, input_mode_text);
603 static const struct soc_enum rinput_mode_enum =
604 SOC_ENUM_SINGLE(WM8903_ANALOGUE_RIGHT_INPUT_1, 0, 3, input_mode_text);
606 static const char *linput_mux_text[] = {
607 "IN1L", "IN2L", "IN3L"
610 static const struct soc_enum linput_enum =
611 SOC_ENUM_SINGLE(WM8903_ANALOGUE_LEFT_INPUT_1, 2, 3, linput_mux_text);
613 static const struct soc_enum linput_inv_enum =
614 SOC_ENUM_SINGLE(WM8903_ANALOGUE_LEFT_INPUT_1, 4, 3, linput_mux_text);
616 static const char *rinput_mux_text[] = {
617 "IN1R", "IN2R", "IN3R"
620 static const struct soc_enum rinput_enum =
621 SOC_ENUM_SINGLE(WM8903_ANALOGUE_RIGHT_INPUT_1, 2, 3, rinput_mux_text);
623 static const struct soc_enum rinput_inv_enum =
624 SOC_ENUM_SINGLE(WM8903_ANALOGUE_RIGHT_INPUT_1, 4, 3, rinput_mux_text);
627 static const char *sidetone_text[] = {
628 "None", "Left", "Right"
631 static const struct soc_enum lsidetone_enum =
632 SOC_ENUM_SINGLE(WM8903_DAC_DIGITAL_0, 2, 3, sidetone_text);
634 static const struct soc_enum rsidetone_enum =
635 SOC_ENUM_SINGLE(WM8903_DAC_DIGITAL_0, 0, 3, sidetone_text);
637 static const char *aif_text[] = {
641 static const struct soc_enum lcapture_enum =
642 SOC_ENUM_SINGLE(WM8903_AUDIO_INTERFACE_0, 7, 2, aif_text);
644 static const struct soc_enum rcapture_enum =
645 SOC_ENUM_SINGLE(WM8903_AUDIO_INTERFACE_0, 6, 2, aif_text);
647 static const struct soc_enum lplay_enum =
648 SOC_ENUM_SINGLE(WM8903_AUDIO_INTERFACE_0, 5, 2, aif_text);
650 static const struct soc_enum rplay_enum =
651 SOC_ENUM_SINGLE(WM8903_AUDIO_INTERFACE_0, 4, 2, aif_text);
653 static const struct snd_kcontrol_new wm8903_snd_controls[] = {
655 /* Input PGAs - No TLV since the scale depends on PGA mode */
656 SOC_SINGLE("Left Input PGA Switch", WM8903_ANALOGUE_LEFT_INPUT_0,
658 SOC_SINGLE("Left Input PGA Volume", WM8903_ANALOGUE_LEFT_INPUT_0,
660 SOC_SINGLE("Left Input PGA Common Mode Switch", WM8903_ANALOGUE_LEFT_INPUT_1,
663 SOC_SINGLE("Right Input PGA Switch", WM8903_ANALOGUE_RIGHT_INPUT_0,
665 SOC_SINGLE("Right Input PGA Volume", WM8903_ANALOGUE_RIGHT_INPUT_0,
667 SOC_SINGLE("Right Input PGA Common Mode Switch", WM8903_ANALOGUE_RIGHT_INPUT_1,
671 SOC_ENUM("ADC OSR", adc_osr),
672 SOC_SINGLE("HPF Switch", WM8903_ADC_DIGITAL_0, 4, 1, 0),
673 SOC_ENUM("HPF Mode", hpf_mode),
674 SOC_SINGLE("DRC Switch", WM8903_DRC_0, 15, 1, 0),
675 SOC_ENUM("DRC Compressor Slope R0", drc_slope_r0),
676 SOC_ENUM("DRC Compressor Slope R1", drc_slope_r1),
677 SOC_SINGLE_TLV("DRC Compressor Threshold Volume", WM8903_DRC_3, 5, 124, 1,
679 SOC_SINGLE_TLV("DRC Volume", WM8903_DRC_3, 0, 30, 1, drc_tlv_amp),
680 SOC_SINGLE_TLV("DRC Minimum Gain Volume", WM8903_DRC_1, 2, 3, 1, drc_tlv_min),
681 SOC_SINGLE_TLV("DRC Maximum Gain Volume", WM8903_DRC_1, 0, 3, 0, drc_tlv_max),
682 SOC_ENUM("DRC Attack Rate", drc_attack),
683 SOC_ENUM("DRC Decay Rate", drc_decay),
684 SOC_ENUM("DRC FF Delay", drc_ff_delay),
685 SOC_SINGLE("DRC Anticlip Switch", WM8903_DRC_0, 1, 1, 0),
686 SOC_SINGLE("DRC QR Switch", WM8903_DRC_0, 2, 1, 0),
687 SOC_SINGLE_TLV("DRC QR Threshold Volume", WM8903_DRC_0, 6, 3, 0, drc_tlv_max),
688 SOC_ENUM("DRC QR Decay Rate", drc_qr_decay),
689 SOC_SINGLE("DRC Smoothing Switch", WM8903_DRC_0, 3, 1, 0),
690 SOC_SINGLE("DRC Smoothing Hysteresis Switch", WM8903_DRC_0, 0, 1, 0),
691 SOC_ENUM("DRC Smoothing Threshold", drc_smoothing),
692 SOC_SINGLE_TLV("DRC Startup Volume", WM8903_DRC_0, 6, 18, 0, drc_tlv_startup),
694 SOC_DOUBLE_R_TLV("Digital Capture Volume", WM8903_ADC_DIGITAL_VOLUME_LEFT,
695 WM8903_ADC_DIGITAL_VOLUME_RIGHT, 1, 96, 0, digital_tlv),
696 SOC_ENUM("ADC Companding Mode", adc_companding),
697 SOC_SINGLE("ADC Companding Switch", WM8903_AUDIO_INTERFACE_0, 3, 1, 0),
699 SOC_DOUBLE_TLV("Digital Sidetone Volume", WM8903_DAC_DIGITAL_0, 4, 8,
700 12, 0, digital_sidetone_tlv),
703 SOC_ENUM("DAC OSR", dac_osr),
704 SOC_DOUBLE_R_TLV("Digital Playback Volume", WM8903_DAC_DIGITAL_VOLUME_LEFT,
705 WM8903_DAC_DIGITAL_VOLUME_RIGHT, 1, 120, 0, digital_tlv),
706 SOC_ENUM("DAC Soft Mute Rate", soft_mute),
707 SOC_ENUM("DAC Mute Mode", mute_mode),
708 SOC_SINGLE("DAC Mono Switch", WM8903_DAC_DIGITAL_1, 12, 1, 0),
709 SOC_ENUM("DAC Companding Mode", dac_companding),
710 SOC_SINGLE("DAC Companding Switch", WM8903_AUDIO_INTERFACE_0, 1, 1, 0),
711 SOC_SINGLE_BOOL_EXT("Playback Deemphasis Switch", 0,
712 wm8903_get_deemph, wm8903_put_deemph),
715 SOC_DOUBLE_R("Headphone Switch",
716 WM8903_ANALOGUE_OUT1_LEFT, WM8903_ANALOGUE_OUT1_RIGHT,
718 SOC_DOUBLE_R("Headphone ZC Switch",
719 WM8903_ANALOGUE_OUT1_LEFT, WM8903_ANALOGUE_OUT1_RIGHT,
721 SOC_DOUBLE_R_TLV("Headphone Volume",
722 WM8903_ANALOGUE_OUT1_LEFT, WM8903_ANALOGUE_OUT1_RIGHT,
726 SOC_DOUBLE_R("Line Out Switch",
727 WM8903_ANALOGUE_OUT2_LEFT, WM8903_ANALOGUE_OUT2_RIGHT,
729 SOC_DOUBLE_R("Line Out ZC Switch",
730 WM8903_ANALOGUE_OUT2_LEFT, WM8903_ANALOGUE_OUT2_RIGHT,
732 SOC_DOUBLE_R_TLV("Line Out Volume",
733 WM8903_ANALOGUE_OUT2_LEFT, WM8903_ANALOGUE_OUT2_RIGHT,
737 SOC_DOUBLE_R("Speaker Switch",
738 WM8903_ANALOGUE_OUT3_LEFT, WM8903_ANALOGUE_OUT3_RIGHT, 8, 1, 1),
739 SOC_DOUBLE_R("Speaker ZC Switch",
740 WM8903_ANALOGUE_OUT3_LEFT, WM8903_ANALOGUE_OUT3_RIGHT, 6, 1, 0),
741 SOC_DOUBLE_R_TLV("Speaker Volume",
742 WM8903_ANALOGUE_OUT3_LEFT, WM8903_ANALOGUE_OUT3_RIGHT,
746 static const struct snd_kcontrol_new linput_mode_mux =
747 SOC_DAPM_ENUM("Left Input Mode Mux", linput_mode_enum);
749 static const struct snd_kcontrol_new rinput_mode_mux =
750 SOC_DAPM_ENUM("Right Input Mode Mux", rinput_mode_enum);
752 static const struct snd_kcontrol_new linput_mux =
753 SOC_DAPM_ENUM("Left Input Mux", linput_enum);
755 static const struct snd_kcontrol_new linput_inv_mux =
756 SOC_DAPM_ENUM("Left Inverting Input Mux", linput_inv_enum);
758 static const struct snd_kcontrol_new rinput_mux =
759 SOC_DAPM_ENUM("Right Input Mux", rinput_enum);
761 static const struct snd_kcontrol_new rinput_inv_mux =
762 SOC_DAPM_ENUM("Right Inverting Input Mux", rinput_inv_enum);
764 static const struct snd_kcontrol_new lsidetone_mux =
765 SOC_DAPM_ENUM("DACL Sidetone Mux", lsidetone_enum);
767 static const struct snd_kcontrol_new rsidetone_mux =
768 SOC_DAPM_ENUM("DACR Sidetone Mux", rsidetone_enum);
770 static const struct snd_kcontrol_new lcapture_mux =
771 SOC_DAPM_ENUM("Left Capture Mux", lcapture_enum);
773 static const struct snd_kcontrol_new rcapture_mux =
774 SOC_DAPM_ENUM("Right Capture Mux", rcapture_enum);
776 static const struct snd_kcontrol_new lplay_mux =
777 SOC_DAPM_ENUM("Left Playback Mux", lplay_enum);
779 static const struct snd_kcontrol_new rplay_mux =
780 SOC_DAPM_ENUM("Right Playback Mux", rplay_enum);
782 static const struct snd_kcontrol_new left_output_mixer[] = {
783 SOC_DAPM_SINGLE("DACL Switch", WM8903_ANALOGUE_LEFT_MIX_0, 3, 1, 0),
784 SOC_DAPM_SINGLE("DACR Switch", WM8903_ANALOGUE_LEFT_MIX_0, 2, 1, 0),
785 SOC_DAPM_SINGLE_W("Left Bypass Switch", WM8903_ANALOGUE_LEFT_MIX_0, 1, 1, 0),
786 SOC_DAPM_SINGLE_W("Right Bypass Switch", WM8903_ANALOGUE_LEFT_MIX_0, 0, 1, 0),
789 static const struct snd_kcontrol_new right_output_mixer[] = {
790 SOC_DAPM_SINGLE("DACL Switch", WM8903_ANALOGUE_RIGHT_MIX_0, 3, 1, 0),
791 SOC_DAPM_SINGLE("DACR Switch", WM8903_ANALOGUE_RIGHT_MIX_0, 2, 1, 0),
792 SOC_DAPM_SINGLE_W("Left Bypass Switch", WM8903_ANALOGUE_RIGHT_MIX_0, 1, 1, 0),
793 SOC_DAPM_SINGLE_W("Right Bypass Switch", WM8903_ANALOGUE_RIGHT_MIX_0, 0, 1, 0),
796 static const struct snd_kcontrol_new left_speaker_mixer[] = {
797 SOC_DAPM_SINGLE("DACL Switch", WM8903_ANALOGUE_SPK_MIX_LEFT_0, 3, 1, 0),
798 SOC_DAPM_SINGLE("DACR Switch", WM8903_ANALOGUE_SPK_MIX_LEFT_0, 2, 1, 0),
799 SOC_DAPM_SINGLE("Left Bypass Switch", WM8903_ANALOGUE_SPK_MIX_LEFT_0, 1, 1, 0),
800 SOC_DAPM_SINGLE("Right Bypass Switch", WM8903_ANALOGUE_SPK_MIX_LEFT_0,
804 static const struct snd_kcontrol_new right_speaker_mixer[] = {
805 SOC_DAPM_SINGLE("DACL Switch", WM8903_ANALOGUE_SPK_MIX_RIGHT_0, 3, 1, 0),
806 SOC_DAPM_SINGLE("DACR Switch", WM8903_ANALOGUE_SPK_MIX_RIGHT_0, 2, 1, 0),
807 SOC_DAPM_SINGLE("Left Bypass Switch", WM8903_ANALOGUE_SPK_MIX_RIGHT_0,
809 SOC_DAPM_SINGLE("Right Bypass Switch", WM8903_ANALOGUE_SPK_MIX_RIGHT_0,
813 static const struct snd_soc_dapm_widget wm8903_dapm_widgets[] = {
814 SND_SOC_DAPM_INPUT("IN1L"),
815 SND_SOC_DAPM_INPUT("IN1R"),
816 SND_SOC_DAPM_INPUT("IN2L"),
817 SND_SOC_DAPM_INPUT("IN2R"),
818 SND_SOC_DAPM_INPUT("IN3L"),
819 SND_SOC_DAPM_INPUT("IN3R"),
821 SND_SOC_DAPM_OUTPUT("HPOUTL"),
822 SND_SOC_DAPM_OUTPUT("HPOUTR"),
823 SND_SOC_DAPM_OUTPUT("LINEOUTL"),
824 SND_SOC_DAPM_OUTPUT("LINEOUTR"),
825 SND_SOC_DAPM_OUTPUT("LOP"),
826 SND_SOC_DAPM_OUTPUT("LON"),
827 SND_SOC_DAPM_OUTPUT("ROP"),
828 SND_SOC_DAPM_OUTPUT("RON"),
830 SND_SOC_DAPM_MICBIAS("Mic Bias", WM8903_MIC_BIAS_CONTROL_0, 0, 0),
832 SND_SOC_DAPM_MUX("Left Input Mux", SND_SOC_NOPM, 0, 0, &linput_mux),
833 SND_SOC_DAPM_MUX("Left Input Inverting Mux", SND_SOC_NOPM, 0, 0,
835 SND_SOC_DAPM_MUX("Left Input Mode Mux", SND_SOC_NOPM, 0, 0, &linput_mode_mux),
837 SND_SOC_DAPM_MUX("Right Input Mux", SND_SOC_NOPM, 0, 0, &rinput_mux),
838 SND_SOC_DAPM_MUX("Right Input Inverting Mux", SND_SOC_NOPM, 0, 0,
840 SND_SOC_DAPM_MUX("Right Input Mode Mux", SND_SOC_NOPM, 0, 0, &rinput_mode_mux),
842 SND_SOC_DAPM_PGA("Left Input PGA", WM8903_POWER_MANAGEMENT_0, 1, 0, NULL, 0),
843 SND_SOC_DAPM_PGA("Right Input PGA", WM8903_POWER_MANAGEMENT_0, 0, 0, NULL, 0),
845 SND_SOC_DAPM_ADC("ADCL", NULL, WM8903_POWER_MANAGEMENT_6, 1, 0),
846 SND_SOC_DAPM_ADC("ADCR", NULL, WM8903_POWER_MANAGEMENT_6, 0, 0),
848 SND_SOC_DAPM_MUX("Left Capture Mux", SND_SOC_NOPM, 0, 0, &lcapture_mux),
849 SND_SOC_DAPM_MUX("Right Capture Mux", SND_SOC_NOPM, 0, 0, &rcapture_mux),
851 SND_SOC_DAPM_AIF_OUT("AIFTXL", "Left HiFi Capture", 0, SND_SOC_NOPM, 0, 0),
852 SND_SOC_DAPM_AIF_OUT("AIFTXR", "Right HiFi Capture", 0, SND_SOC_NOPM, 0, 0),
854 SND_SOC_DAPM_MUX("DACL Sidetone", SND_SOC_NOPM, 0, 0, &lsidetone_mux),
855 SND_SOC_DAPM_MUX("DACR Sidetone", SND_SOC_NOPM, 0, 0, &rsidetone_mux),
857 SND_SOC_DAPM_AIF_IN("AIFRXL", "Left Playback", 0, SND_SOC_NOPM, 0, 0),
858 SND_SOC_DAPM_AIF_IN("AIFRXR", "Right Playback", 0, SND_SOC_NOPM, 0, 0),
860 SND_SOC_DAPM_MUX("Left Playback Mux", SND_SOC_NOPM, 0, 0, &lplay_mux),
861 SND_SOC_DAPM_MUX("Right Playback Mux", SND_SOC_NOPM, 0, 0, &rplay_mux),
863 SND_SOC_DAPM_DAC("DACL", NULL, WM8903_POWER_MANAGEMENT_6, 3, 0),
864 SND_SOC_DAPM_DAC("DACR", NULL, WM8903_POWER_MANAGEMENT_6, 2, 0),
866 SND_SOC_DAPM_MIXER("Left Output Mixer", WM8903_POWER_MANAGEMENT_1, 1, 0,
867 left_output_mixer, ARRAY_SIZE(left_output_mixer)),
868 SND_SOC_DAPM_MIXER("Right Output Mixer", WM8903_POWER_MANAGEMENT_1, 0, 0,
869 right_output_mixer, ARRAY_SIZE(right_output_mixer)),
871 SND_SOC_DAPM_MIXER("Left Speaker Mixer", WM8903_POWER_MANAGEMENT_4, 1, 0,
872 left_speaker_mixer, ARRAY_SIZE(left_speaker_mixer)),
873 SND_SOC_DAPM_MIXER("Right Speaker Mixer", WM8903_POWER_MANAGEMENT_4, 0, 0,
874 right_speaker_mixer, ARRAY_SIZE(right_speaker_mixer)),
876 SND_SOC_DAPM_PGA_S("Left Headphone Output PGA", 0, WM8903_POWER_MANAGEMENT_2,
878 SND_SOC_DAPM_PGA_S("Right Headphone Output PGA", 0, WM8903_POWER_MANAGEMENT_2,
881 SND_SOC_DAPM_PGA_S("Left Line Output PGA", 0, WM8903_POWER_MANAGEMENT_3, 1, 0,
883 SND_SOC_DAPM_PGA_S("Right Line Output PGA", 0, WM8903_POWER_MANAGEMENT_3, 0, 0,
886 SND_SOC_DAPM_PGA_S("HPL_RMV_SHORT", 4, WM8903_ANALOGUE_HP_0, 7, 0, NULL, 0),
887 SND_SOC_DAPM_PGA_S("HPL_ENA_OUTP", 3, WM8903_ANALOGUE_HP_0, 6, 0, NULL, 0),
888 SND_SOC_DAPM_PGA_S("HPL_ENA_DLY", 2, WM8903_ANALOGUE_HP_0, 5, 0, NULL, 0),
889 SND_SOC_DAPM_PGA_S("HPL_ENA", 1, WM8903_ANALOGUE_HP_0, 4, 0, NULL, 0),
890 SND_SOC_DAPM_PGA_S("HPR_RMV_SHORT", 4, WM8903_ANALOGUE_HP_0, 3, 0, NULL, 0),
891 SND_SOC_DAPM_PGA_S("HPR_ENA_OUTP", 3, WM8903_ANALOGUE_HP_0, 2, 0, NULL, 0),
892 SND_SOC_DAPM_PGA_S("HPR_ENA_DLY", 2, WM8903_ANALOGUE_HP_0, 1, 0, NULL, 0),
893 SND_SOC_DAPM_PGA_S("HPR_ENA", 1, WM8903_ANALOGUE_HP_0, 0, 0, NULL, 0),
895 SND_SOC_DAPM_PGA_S("LINEOUTL_RMV_SHORT", 4, WM8903_ANALOGUE_LINEOUT_0, 7, 0,
897 SND_SOC_DAPM_PGA_S("LINEOUTL_ENA_OUTP", 3, WM8903_ANALOGUE_LINEOUT_0, 6, 0,
899 SND_SOC_DAPM_PGA_S("LINEOUTL_ENA_DLY", 2, WM8903_ANALOGUE_LINEOUT_0, 5, 0,
901 SND_SOC_DAPM_PGA_S("LINEOUTL_ENA", 1, WM8903_ANALOGUE_LINEOUT_0, 4, 0,
903 SND_SOC_DAPM_PGA_S("LINEOUTR_RMV_SHORT", 4, WM8903_ANALOGUE_LINEOUT_0, 3, 0,
905 SND_SOC_DAPM_PGA_S("LINEOUTR_ENA_OUTP", 3, WM8903_ANALOGUE_LINEOUT_0, 2, 0,
907 SND_SOC_DAPM_PGA_S("LINEOUTR_ENA_DLY", 2, WM8903_ANALOGUE_LINEOUT_0, 1, 0,
909 SND_SOC_DAPM_PGA_S("LINEOUTR_ENA", 1, WM8903_ANALOGUE_LINEOUT_0, 0, 0,
912 SND_SOC_DAPM_SUPPLY("DCS Master", WM8903_DC_SERVO_0, 4, 0, NULL, 0),
913 SND_SOC_DAPM_PGA_S("HPL_DCS", 3, SND_SOC_NOPM, 3, 0, wm8903_dcs_event,
914 SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD),
915 SND_SOC_DAPM_PGA_S("HPR_DCS", 3, SND_SOC_NOPM, 2, 0, wm8903_dcs_event,
916 SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD),
917 SND_SOC_DAPM_PGA_S("LINEOUTL_DCS", 3, SND_SOC_NOPM, 1, 0, wm8903_dcs_event,
918 SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD),
919 SND_SOC_DAPM_PGA_S("LINEOUTR_DCS", 3, SND_SOC_NOPM, 0, 0, wm8903_dcs_event,
920 SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD),
922 SND_SOC_DAPM_PGA("Left Speaker PGA", WM8903_POWER_MANAGEMENT_5, 1, 0,
924 SND_SOC_DAPM_PGA("Right Speaker PGA", WM8903_POWER_MANAGEMENT_5, 0, 0,
927 SND_SOC_DAPM_SUPPLY("Charge Pump", WM8903_CHARGE_PUMP_0, 0, 0,
928 wm8903_cp_event, SND_SOC_DAPM_POST_PMU),
929 SND_SOC_DAPM_SUPPLY("CLK_DSP", WM8903_CLOCK_RATES_2, 1, 0, NULL, 0),
930 SND_SOC_DAPM_SUPPLY("CLK_SYS", WM8903_CLOCK_RATES_2, 2, 0, NULL, 0),
933 static const struct snd_soc_dapm_route intercon[] = {
935 { "CLK_DSP", NULL, "CLK_SYS" },
936 { "Mic Bias", NULL, "CLK_SYS" },
937 { "HPL_DCS", NULL, "CLK_SYS" },
938 { "HPR_DCS", NULL, "CLK_SYS" },
939 { "LINEOUTL_DCS", NULL, "CLK_SYS" },
940 { "LINEOUTR_DCS", NULL, "CLK_SYS" },
942 { "Left Input Mux", "IN1L", "IN1L" },
943 { "Left Input Mux", "IN2L", "IN2L" },
944 { "Left Input Mux", "IN3L", "IN3L" },
946 { "Left Input Inverting Mux", "IN1L", "IN1L" },
947 { "Left Input Inverting Mux", "IN2L", "IN2L" },
948 { "Left Input Inverting Mux", "IN3L", "IN3L" },
950 { "Right Input Mux", "IN1R", "IN1R" },
951 { "Right Input Mux", "IN2R", "IN2R" },
952 { "Right Input Mux", "IN3R", "IN3R" },
954 { "Right Input Inverting Mux", "IN1R", "IN1R" },
955 { "Right Input Inverting Mux", "IN2R", "IN2R" },
956 { "Right Input Inverting Mux", "IN3R", "IN3R" },
958 { "Left Input Mode Mux", "Single-Ended", "Left Input Inverting Mux" },
959 { "Left Input Mode Mux", "Differential Line",
961 { "Left Input Mode Mux", "Differential Line",
962 "Left Input Inverting Mux" },
963 { "Left Input Mode Mux", "Differential Mic",
965 { "Left Input Mode Mux", "Differential Mic",
966 "Left Input Inverting Mux" },
968 { "Right Input Mode Mux", "Single-Ended",
969 "Right Input Inverting Mux" },
970 { "Right Input Mode Mux", "Differential Line",
972 { "Right Input Mode Mux", "Differential Line",
973 "Right Input Inverting Mux" },
974 { "Right Input Mode Mux", "Differential Mic",
976 { "Right Input Mode Mux", "Differential Mic",
977 "Right Input Inverting Mux" },
979 { "Left Input PGA", NULL, "Left Input Mode Mux" },
980 { "Right Input PGA", NULL, "Right Input Mode Mux" },
982 { "Left Capture Mux", "Left", "ADCL" },
983 { "Left Capture Mux", "Right", "ADCR" },
985 { "Right Capture Mux", "Left", "ADCL" },
986 { "Right Capture Mux", "Right", "ADCR" },
988 { "AIFTXL", NULL, "Left Capture Mux" },
989 { "AIFTXR", NULL, "Right Capture Mux" },
991 { "ADCL", NULL, "Left Input PGA" },
992 { "ADCL", NULL, "CLK_DSP" },
993 { "ADCR", NULL, "Right Input PGA" },
994 { "ADCR", NULL, "CLK_DSP" },
996 { "Left Playback Mux", "Left", "AIFRXL" },
997 { "Left Playback Mux", "Right", "AIFRXR" },
999 { "Right Playback Mux", "Left", "AIFRXL" },
1000 { "Right Playback Mux", "Right", "AIFRXR" },
1002 { "DACL Sidetone", "Left", "ADCL" },
1003 { "DACL Sidetone", "Right", "ADCR" },
1004 { "DACR Sidetone", "Left", "ADCL" },
1005 { "DACR Sidetone", "Right", "ADCR" },
1007 { "DACL", NULL, "Left Playback Mux" },
1008 { "DACL", NULL, "DACL Sidetone" },
1009 { "DACL", NULL, "CLK_DSP" },
1011 { "DACR", NULL, "Right Playback Mux" },
1012 { "DACR", NULL, "DACR Sidetone" },
1013 { "DACR", NULL, "CLK_DSP" },
1015 { "Left Output Mixer", "Left Bypass Switch", "Left Input PGA" },
1016 { "Left Output Mixer", "Right Bypass Switch", "Right Input PGA" },
1017 { "Left Output Mixer", "DACL Switch", "DACL" },
1018 { "Left Output Mixer", "DACR Switch", "DACR" },
1020 { "Right Output Mixer", "Left Bypass Switch", "Left Input PGA" },
1021 { "Right Output Mixer", "Right Bypass Switch", "Right Input PGA" },
1022 { "Right Output Mixer", "DACL Switch", "DACL" },
1023 { "Right Output Mixer", "DACR Switch", "DACR" },
1025 { "Left Speaker Mixer", "Left Bypass Switch", "Left Input PGA" },
1026 { "Left Speaker Mixer", "Right Bypass Switch", "Right Input PGA" },
1027 { "Left Speaker Mixer", "DACL Switch", "DACL" },
1028 { "Left Speaker Mixer", "DACR Switch", "DACR" },
1030 { "Right Speaker Mixer", "Left Bypass Switch", "Left Input PGA" },
1031 { "Right Speaker Mixer", "Right Bypass Switch", "Right Input PGA" },
1032 { "Right Speaker Mixer", "DACL Switch", "DACL" },
1033 { "Right Speaker Mixer", "DACR Switch", "DACR" },
1035 { "Left Line Output PGA", NULL, "Left Output Mixer" },
1036 { "Right Line Output PGA", NULL, "Right Output Mixer" },
1038 { "Left Headphone Output PGA", NULL, "Left Output Mixer" },
1039 { "Right Headphone Output PGA", NULL, "Right Output Mixer" },
1041 { "Left Speaker PGA", NULL, "Left Speaker Mixer" },
1042 { "Right Speaker PGA", NULL, "Right Speaker Mixer" },
1044 { "HPL_ENA", NULL, "Left Headphone Output PGA" },
1045 { "HPR_ENA", NULL, "Right Headphone Output PGA" },
1046 { "HPL_ENA_DLY", NULL, "HPL_ENA" },
1047 { "HPR_ENA_DLY", NULL, "HPR_ENA" },
1048 { "LINEOUTL_ENA", NULL, "Left Line Output PGA" },
1049 { "LINEOUTR_ENA", NULL, "Right Line Output PGA" },
1050 { "LINEOUTL_ENA_DLY", NULL, "LINEOUTL_ENA" },
1051 { "LINEOUTR_ENA_DLY", NULL, "LINEOUTR_ENA" },
1053 { "HPL_DCS", NULL, "DCS Master" },
1054 { "HPR_DCS", NULL, "DCS Master" },
1055 { "LINEOUTL_DCS", NULL, "DCS Master" },
1056 { "LINEOUTR_DCS", NULL, "DCS Master" },
1058 { "HPL_DCS", NULL, "HPL_ENA_DLY" },
1059 { "HPR_DCS", NULL, "HPR_ENA_DLY" },
1060 { "LINEOUTL_DCS", NULL, "LINEOUTL_ENA_DLY" },
1061 { "LINEOUTR_DCS", NULL, "LINEOUTR_ENA_DLY" },
1063 { "HPL_ENA_OUTP", NULL, "HPL_DCS" },
1064 { "HPR_ENA_OUTP", NULL, "HPR_DCS" },
1065 { "LINEOUTL_ENA_OUTP", NULL, "LINEOUTL_DCS" },
1066 { "LINEOUTR_ENA_OUTP", NULL, "LINEOUTR_DCS" },
1068 { "HPL_RMV_SHORT", NULL, "HPL_ENA_OUTP" },
1069 { "HPR_RMV_SHORT", NULL, "HPR_ENA_OUTP" },
1070 { "LINEOUTL_RMV_SHORT", NULL, "LINEOUTL_ENA_OUTP" },
1071 { "LINEOUTR_RMV_SHORT", NULL, "LINEOUTR_ENA_OUTP" },
1073 { "HPOUTL", NULL, "HPL_RMV_SHORT" },
1074 { "HPOUTR", NULL, "HPR_RMV_SHORT" },
1075 { "LINEOUTL", NULL, "LINEOUTL_RMV_SHORT" },
1076 { "LINEOUTR", NULL, "LINEOUTR_RMV_SHORT" },
1078 { "LOP", NULL, "Left Speaker PGA" },
1079 { "LON", NULL, "Left Speaker PGA" },
1081 { "ROP", NULL, "Right Speaker PGA" },
1082 { "RON", NULL, "Right Speaker PGA" },
1084 { "Left Headphone Output PGA", NULL, "Charge Pump" },
1085 { "Right Headphone Output PGA", NULL, "Charge Pump" },
1086 { "Left Line Output PGA", NULL, "Charge Pump" },
1087 { "Right Line Output PGA", NULL, "Charge Pump" },
1090 static int wm8903_add_widgets(struct snd_soc_codec *codec)
1092 struct snd_soc_dapm_context *dapm = &codec->dapm;
1094 snd_soc_dapm_new_controls(dapm, wm8903_dapm_widgets,
1095 ARRAY_SIZE(wm8903_dapm_widgets));
1096 snd_soc_dapm_add_routes(dapm, intercon, ARRAY_SIZE(intercon));
1101 static int wm8903_set_bias_level(struct snd_soc_codec *codec,
1102 enum snd_soc_bias_level level)
1105 case SND_SOC_BIAS_ON:
1108 case SND_SOC_BIAS_PREPARE:
1109 snd_soc_update_bits(codec, WM8903_VMID_CONTROL_0,
1110 WM8903_VMID_RES_MASK,
1111 WM8903_VMID_RES_50K);
1114 case SND_SOC_BIAS_STANDBY:
1115 if (codec->dapm.bias_level == SND_SOC_BIAS_OFF) {
1116 snd_soc_update_bits(codec, WM8903_BIAS_CONTROL_0,
1117 WM8903_POBCTRL | WM8903_ISEL_MASK |
1118 WM8903_STARTUP_BIAS_ENA |
1121 (2 << WM8903_ISEL_SHIFT) |
1122 WM8903_STARTUP_BIAS_ENA);
1124 snd_soc_update_bits(codec,
1125 WM8903_ANALOGUE_SPK_OUTPUT_CONTROL_0,
1126 WM8903_SPK_DISCHARGE,
1127 WM8903_SPK_DISCHARGE);
1131 snd_soc_update_bits(codec, WM8903_POWER_MANAGEMENT_5,
1132 WM8903_SPKL_ENA | WM8903_SPKR_ENA,
1133 WM8903_SPKL_ENA | WM8903_SPKR_ENA);
1135 snd_soc_update_bits(codec,
1136 WM8903_ANALOGUE_SPK_OUTPUT_CONTROL_0,
1137 WM8903_SPK_DISCHARGE, 0);
1139 snd_soc_update_bits(codec, WM8903_VMID_CONTROL_0,
1140 WM8903_VMID_TIE_ENA |
1142 WM8903_VMID_IO_ENA |
1143 WM8903_VMID_SOFT_MASK |
1144 WM8903_VMID_RES_MASK |
1145 WM8903_VMID_BUF_ENA,
1146 WM8903_VMID_TIE_ENA |
1148 WM8903_VMID_IO_ENA |
1149 (2 << WM8903_VMID_SOFT_SHIFT) |
1150 WM8903_VMID_RES_250K |
1151 WM8903_VMID_BUF_ENA);
1155 snd_soc_update_bits(codec, WM8903_POWER_MANAGEMENT_5,
1156 WM8903_SPKL_ENA | WM8903_SPKR_ENA,
1159 snd_soc_update_bits(codec, WM8903_VMID_CONTROL_0,
1160 WM8903_VMID_SOFT_MASK, 0);
1162 snd_soc_update_bits(codec, WM8903_VMID_CONTROL_0,
1163 WM8903_VMID_RES_MASK,
1164 WM8903_VMID_RES_50K);
1166 snd_soc_update_bits(codec, WM8903_BIAS_CONTROL_0,
1167 WM8903_BIAS_ENA | WM8903_POBCTRL,
1170 /* By default no bypass paths are enabled so
1171 * enable Class W support.
1173 dev_dbg(codec->dev, "Enabling Class W\n");
1174 snd_soc_update_bits(codec, WM8903_CLASS_W_0,
1175 WM8903_CP_DYN_FREQ |
1177 WM8903_CP_DYN_FREQ |
1181 snd_soc_update_bits(codec, WM8903_VMID_CONTROL_0,
1182 WM8903_VMID_RES_MASK,
1183 WM8903_VMID_RES_250K);
1186 case SND_SOC_BIAS_OFF:
1187 snd_soc_update_bits(codec, WM8903_BIAS_CONTROL_0,
1188 WM8903_BIAS_ENA, 0);
1190 snd_soc_update_bits(codec, WM8903_VMID_CONTROL_0,
1191 WM8903_VMID_SOFT_MASK,
1192 2 << WM8903_VMID_SOFT_SHIFT);
1194 snd_soc_update_bits(codec, WM8903_VMID_CONTROL_0,
1195 WM8903_VMID_BUF_ENA, 0);
1199 snd_soc_update_bits(codec, WM8903_VMID_CONTROL_0,
1200 WM8903_VMID_TIE_ENA | WM8903_BUFIO_ENA |
1201 WM8903_VMID_IO_ENA | WM8903_VMID_RES_MASK |
1202 WM8903_VMID_SOFT_MASK |
1203 WM8903_VMID_BUF_ENA, 0);
1205 snd_soc_update_bits(codec, WM8903_BIAS_CONTROL_0,
1206 WM8903_STARTUP_BIAS_ENA, 0);
1210 codec->dapm.bias_level = level;
1215 static int wm8903_set_dai_sysclk(struct snd_soc_dai *codec_dai,
1216 int clk_id, unsigned int freq, int dir)
1218 struct snd_soc_codec *codec = codec_dai->codec;
1219 struct wm8903_priv *wm8903 = snd_soc_codec_get_drvdata(codec);
1221 wm8903->sysclk = freq;
1226 static int wm8903_set_dai_fmt(struct snd_soc_dai *codec_dai,
1229 struct snd_soc_codec *codec = codec_dai->codec;
1230 u16 aif1 = snd_soc_read(codec, WM8903_AUDIO_INTERFACE_1);
1232 aif1 &= ~(WM8903_LRCLK_DIR | WM8903_BCLK_DIR | WM8903_AIF_FMT_MASK |
1233 WM8903_AIF_LRCLK_INV | WM8903_AIF_BCLK_INV);
1235 switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
1236 case SND_SOC_DAIFMT_CBS_CFS:
1238 case SND_SOC_DAIFMT_CBS_CFM:
1239 aif1 |= WM8903_LRCLK_DIR;
1241 case SND_SOC_DAIFMT_CBM_CFM:
1242 aif1 |= WM8903_LRCLK_DIR | WM8903_BCLK_DIR;
1244 case SND_SOC_DAIFMT_CBM_CFS:
1245 aif1 |= WM8903_BCLK_DIR;
1251 switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
1252 case SND_SOC_DAIFMT_DSP_A:
1255 case SND_SOC_DAIFMT_DSP_B:
1256 aif1 |= 0x3 | WM8903_AIF_LRCLK_INV;
1258 case SND_SOC_DAIFMT_I2S:
1261 case SND_SOC_DAIFMT_RIGHT_J:
1264 case SND_SOC_DAIFMT_LEFT_J:
1270 /* Clock inversion */
1271 switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
1272 case SND_SOC_DAIFMT_DSP_A:
1273 case SND_SOC_DAIFMT_DSP_B:
1274 /* frame inversion not valid for DSP modes */
1275 switch (fmt & SND_SOC_DAIFMT_INV_MASK) {
1276 case SND_SOC_DAIFMT_NB_NF:
1278 case SND_SOC_DAIFMT_IB_NF:
1279 aif1 |= WM8903_AIF_BCLK_INV;
1285 case SND_SOC_DAIFMT_I2S:
1286 case SND_SOC_DAIFMT_RIGHT_J:
1287 case SND_SOC_DAIFMT_LEFT_J:
1288 switch (fmt & SND_SOC_DAIFMT_INV_MASK) {
1289 case SND_SOC_DAIFMT_NB_NF:
1291 case SND_SOC_DAIFMT_IB_IF:
1292 aif1 |= WM8903_AIF_BCLK_INV | WM8903_AIF_LRCLK_INV;
1294 case SND_SOC_DAIFMT_IB_NF:
1295 aif1 |= WM8903_AIF_BCLK_INV;
1297 case SND_SOC_DAIFMT_NB_IF:
1298 aif1 |= WM8903_AIF_LRCLK_INV;
1308 snd_soc_write(codec, WM8903_AUDIO_INTERFACE_1, aif1);
1313 static int wm8903_digital_mute(struct snd_soc_dai *codec_dai, int mute)
1315 struct snd_soc_codec *codec = codec_dai->codec;
1318 reg = snd_soc_read(codec, WM8903_DAC_DIGITAL_1);
1321 reg |= WM8903_DAC_MUTE;
1323 reg &= ~WM8903_DAC_MUTE;
1325 snd_soc_write(codec, WM8903_DAC_DIGITAL_1, reg);
1330 /* Lookup table for CLK_SYS/fs ratio. 256fs or more is recommended
1331 * for optimal performance so we list the lower rates first and match
1332 * on the last match we find. */
1338 } clk_sys_ratios[] = {
1339 { 64, 0x0, 0x0, 1 },
1340 { 68, 0x0, 0x1, 1 },
1341 { 125, 0x0, 0x2, 1 },
1342 { 128, 0x1, 0x0, 1 },
1343 { 136, 0x1, 0x1, 1 },
1344 { 192, 0x2, 0x0, 1 },
1345 { 204, 0x2, 0x1, 1 },
1347 { 64, 0x0, 0x0, 2 },
1348 { 68, 0x0, 0x1, 2 },
1349 { 125, 0x0, 0x2, 2 },
1350 { 128, 0x1, 0x0, 2 },
1351 { 136, 0x1, 0x1, 2 },
1352 { 192, 0x2, 0x0, 2 },
1353 { 204, 0x2, 0x1, 2 },
1355 { 250, 0x2, 0x2, 1 },
1356 { 256, 0x3, 0x0, 1 },
1357 { 272, 0x3, 0x1, 1 },
1358 { 384, 0x4, 0x0, 1 },
1359 { 408, 0x4, 0x1, 1 },
1360 { 375, 0x4, 0x2, 1 },
1361 { 512, 0x5, 0x0, 1 },
1362 { 544, 0x5, 0x1, 1 },
1363 { 500, 0x5, 0x2, 1 },
1364 { 768, 0x6, 0x0, 1 },
1365 { 816, 0x6, 0x1, 1 },
1366 { 750, 0x6, 0x2, 1 },
1367 { 1024, 0x7, 0x0, 1 },
1368 { 1088, 0x7, 0x1, 1 },
1369 { 1000, 0x7, 0x2, 1 },
1370 { 1408, 0x8, 0x0, 1 },
1371 { 1496, 0x8, 0x1, 1 },
1372 { 1536, 0x9, 0x0, 1 },
1373 { 1632, 0x9, 0x1, 1 },
1374 { 1500, 0x9, 0x2, 1 },
1376 { 250, 0x2, 0x2, 2 },
1377 { 256, 0x3, 0x0, 2 },
1378 { 272, 0x3, 0x1, 2 },
1379 { 384, 0x4, 0x0, 2 },
1380 { 408, 0x4, 0x1, 2 },
1381 { 375, 0x4, 0x2, 2 },
1382 { 512, 0x5, 0x0, 2 },
1383 { 544, 0x5, 0x1, 2 },
1384 { 500, 0x5, 0x2, 2 },
1385 { 768, 0x6, 0x0, 2 },
1386 { 816, 0x6, 0x1, 2 },
1387 { 750, 0x6, 0x2, 2 },
1388 { 1024, 0x7, 0x0, 2 },
1389 { 1088, 0x7, 0x1, 2 },
1390 { 1000, 0x7, 0x2, 2 },
1391 { 1408, 0x8, 0x0, 2 },
1392 { 1496, 0x8, 0x1, 2 },
1393 { 1536, 0x9, 0x0, 2 },
1394 { 1632, 0x9, 0x1, 2 },
1395 { 1500, 0x9, 0x2, 2 },
1398 /* CLK_SYS/BCLK ratios - multiplied by 10 due to .5s */
1422 /* Sample rates for DSP */
1426 } sample_rates[] = {
1441 static int wm8903_hw_params(struct snd_pcm_substream *substream,
1442 struct snd_pcm_hw_params *params,
1443 struct snd_soc_dai *dai)
1445 struct snd_soc_pcm_runtime *rtd = substream->private_data;
1446 struct snd_soc_codec *codec =rtd->codec;
1447 struct wm8903_priv *wm8903 = snd_soc_codec_get_drvdata(codec);
1448 int fs = params_rate(params);
1458 u16 aif1 = snd_soc_read(codec, WM8903_AUDIO_INTERFACE_1);
1459 u16 aif2 = snd_soc_read(codec, WM8903_AUDIO_INTERFACE_2);
1460 u16 aif3 = snd_soc_read(codec, WM8903_AUDIO_INTERFACE_3);
1461 u16 clock0 = snd_soc_read(codec, WM8903_CLOCK_RATES_0);
1462 u16 clock1 = snd_soc_read(codec, WM8903_CLOCK_RATES_1);
1463 u16 dac_digital1 = snd_soc_read(codec, WM8903_DAC_DIGITAL_1);
1465 /* Enable sloping stopband filter for low sample rates */
1467 dac_digital1 |= WM8903_DAC_SB_FILT;
1469 dac_digital1 &= ~WM8903_DAC_SB_FILT;
1471 /* Configure sample rate logic for DSP - choose nearest rate */
1473 best_val = abs(sample_rates[dsp_config].rate - fs);
1474 for (i = 1; i < ARRAY_SIZE(sample_rates); i++) {
1475 cur_val = abs(sample_rates[i].rate - fs);
1476 if (cur_val <= best_val) {
1482 dev_dbg(codec->dev, "DSP fs = %dHz\n", sample_rates[dsp_config].rate);
1483 clock1 &= ~WM8903_SAMPLE_RATE_MASK;
1484 clock1 |= sample_rates[dsp_config].value;
1486 aif1 &= ~WM8903_AIF_WL_MASK;
1488 switch (params_format(params)) {
1489 case SNDRV_PCM_FORMAT_S16_LE:
1492 case SNDRV_PCM_FORMAT_S20_3LE:
1496 case SNDRV_PCM_FORMAT_S24_LE:
1500 case SNDRV_PCM_FORMAT_S32_LE:
1508 dev_dbg(codec->dev, "MCLK = %dHz, target sample rate = %dHz\n",
1509 wm8903->sysclk, fs);
1511 /* We may not have an MCLK which allows us to generate exactly
1512 * the clock we want, particularly with USB derived inputs, so
1516 best_val = abs((wm8903->sysclk /
1517 (clk_sys_ratios[0].mclk_div *
1518 clk_sys_ratios[0].div)) - fs);
1519 for (i = 1; i < ARRAY_SIZE(clk_sys_ratios); i++) {
1520 cur_val = abs((wm8903->sysclk /
1521 (clk_sys_ratios[i].mclk_div *
1522 clk_sys_ratios[i].div)) - fs);
1524 if (cur_val <= best_val) {
1530 if (clk_sys_ratios[clk_config].mclk_div == 2) {
1531 clock0 |= WM8903_MCLKDIV2;
1532 clk_sys = wm8903->sysclk / 2;
1534 clock0 &= ~WM8903_MCLKDIV2;
1535 clk_sys = wm8903->sysclk;
1538 clock1 &= ~(WM8903_CLK_SYS_RATE_MASK |
1539 WM8903_CLK_SYS_MODE_MASK);
1540 clock1 |= clk_sys_ratios[clk_config].rate << WM8903_CLK_SYS_RATE_SHIFT;
1541 clock1 |= clk_sys_ratios[clk_config].mode << WM8903_CLK_SYS_MODE_SHIFT;
1543 dev_dbg(codec->dev, "CLK_SYS_RATE=%x, CLK_SYS_MODE=%x div=%d\n",
1544 clk_sys_ratios[clk_config].rate,
1545 clk_sys_ratios[clk_config].mode,
1546 clk_sys_ratios[clk_config].div);
1548 dev_dbg(codec->dev, "Actual CLK_SYS = %dHz\n", clk_sys);
1550 /* We may not get quite the right frequency if using
1551 * approximate clocks so look for the closest match that is
1552 * higher than the target (we need to ensure that there enough
1553 * BCLKs to clock out the samples).
1556 best_val = ((clk_sys * 10) / bclk_divs[0].ratio) - bclk;
1558 while (i < ARRAY_SIZE(bclk_divs)) {
1559 cur_val = ((clk_sys * 10) / bclk_divs[i].ratio) - bclk;
1560 if (cur_val < 0) /* BCLK table is sorted */
1567 aif2 &= ~WM8903_BCLK_DIV_MASK;
1568 aif3 &= ~WM8903_LRCLK_RATE_MASK;
1570 dev_dbg(codec->dev, "BCLK ratio %d for %dHz - actual BCLK = %dHz\n",
1571 bclk_divs[bclk_div].ratio / 10, bclk,
1572 (clk_sys * 10) / bclk_divs[bclk_div].ratio);
1574 aif2 |= bclk_divs[bclk_div].div;
1577 wm8903->fs = params_rate(params);
1578 wm8903_set_deemph(codec);
1580 snd_soc_write(codec, WM8903_CLOCK_RATES_0, clock0);
1581 snd_soc_write(codec, WM8903_CLOCK_RATES_1, clock1);
1582 snd_soc_write(codec, WM8903_AUDIO_INTERFACE_1, aif1);
1583 snd_soc_write(codec, WM8903_AUDIO_INTERFACE_2, aif2);
1584 snd_soc_write(codec, WM8903_AUDIO_INTERFACE_3, aif3);
1585 snd_soc_write(codec, WM8903_DAC_DIGITAL_1, dac_digital1);
1591 * wm8903_mic_detect - Enable microphone detection via the WM8903 IRQ
1593 * @codec: WM8903 codec
1594 * @jack: jack to report detection events on
1595 * @det: value to report for presence detection
1596 * @shrt: value to report for short detection
1598 * Enable microphone detection via IRQ on the WM8903. If GPIOs are
1599 * being used to bring out signals to the processor then only platform
1600 * data configuration is needed for WM8903 and processor GPIOs should
1601 * be configured using snd_soc_jack_add_gpios() instead.
1603 * The current threasholds for detection should be configured using
1604 * micdet_cfg in the platform data. Using this function will force on
1605 * the microphone bias for the device.
1607 int wm8903_mic_detect(struct snd_soc_codec *codec, struct snd_soc_jack *jack,
1610 struct wm8903_priv *wm8903 = snd_soc_codec_get_drvdata(codec);
1611 int irq_mask = WM8903_MICDET_EINT | WM8903_MICSHRT_EINT;
1613 dev_dbg(codec->dev, "Enabling microphone detection: %x %x\n",
1616 /* Store the configuration */
1617 wm8903->mic_jack = jack;
1618 wm8903->mic_det = det;
1619 wm8903->mic_short = shrt;
1621 /* Enable interrupts we've got a report configured for */
1623 irq_mask &= ~WM8903_MICDET_EINT;
1625 irq_mask &= ~WM8903_MICSHRT_EINT;
1627 snd_soc_update_bits(codec, WM8903_INTERRUPT_STATUS_1_MASK,
1628 WM8903_MICDET_EINT | WM8903_MICSHRT_EINT,
1632 /* Enable mic detection, this may not have been set through
1633 * platform data (eg, if the defaults are OK). */
1634 snd_soc_update_bits(codec, WM8903_WRITE_SEQUENCER_0,
1635 WM8903_WSEQ_ENA, WM8903_WSEQ_ENA);
1636 snd_soc_update_bits(codec, WM8903_MIC_BIAS_CONTROL_0,
1637 WM8903_MICDET_ENA, WM8903_MICDET_ENA);
1639 snd_soc_update_bits(codec, WM8903_MIC_BIAS_CONTROL_0,
1640 WM8903_MICDET_ENA, 0);
1645 EXPORT_SYMBOL_GPL(wm8903_mic_detect);
1647 static irqreturn_t wm8903_irq(int irq, void *data)
1649 struct snd_soc_codec *codec = data;
1650 struct wm8903_priv *wm8903 = snd_soc_codec_get_drvdata(codec);
1654 int mask = ~snd_soc_read(codec, WM8903_INTERRUPT_STATUS_1_MASK);
1656 int_val = snd_soc_read(codec, WM8903_INTERRUPT_STATUS_1) & mask;
1658 if (int_val & WM8903_WSEQ_BUSY_EINT) {
1659 dev_warn(codec->dev, "Write sequencer done\n");
1663 * The rest is microphone jack detection. We need to manually
1664 * invert the polarity of the interrupt after each event - to
1665 * simplify the code keep track of the last state we reported
1666 * and just invert the relevant bits in both the report and
1667 * the polarity register.
1669 mic_report = wm8903->mic_last_report;
1670 int_pol = snd_soc_read(codec, WM8903_INTERRUPT_POLARITY_1);
1672 #ifndef CONFIG_SND_SOC_WM8903_MODULE
1673 if (int_val & (WM8903_MICSHRT_EINT | WM8903_MICDET_EINT))
1674 trace_snd_soc_jack_irq(dev_name(codec->dev));
1677 if (int_val & WM8903_MICSHRT_EINT) {
1678 dev_dbg(codec->dev, "Microphone short (pol=%x)\n", int_pol);
1680 mic_report ^= wm8903->mic_short;
1681 int_pol ^= WM8903_MICSHRT_INV;
1684 if (int_val & WM8903_MICDET_EINT) {
1685 dev_dbg(codec->dev, "Microphone detect (pol=%x)\n", int_pol);
1687 mic_report ^= wm8903->mic_det;
1688 int_pol ^= WM8903_MICDET_INV;
1690 msleep(wm8903->mic_delay);
1693 snd_soc_update_bits(codec, WM8903_INTERRUPT_POLARITY_1,
1694 WM8903_MICSHRT_INV | WM8903_MICDET_INV, int_pol);
1696 snd_soc_jack_report(wm8903->mic_jack, mic_report,
1697 wm8903->mic_short | wm8903->mic_det);
1699 wm8903->mic_last_report = mic_report;
1704 #define WM8903_PLAYBACK_RATES (SNDRV_PCM_RATE_8000 |\
1705 SNDRV_PCM_RATE_11025 | \
1706 SNDRV_PCM_RATE_16000 | \
1707 SNDRV_PCM_RATE_22050 | \
1708 SNDRV_PCM_RATE_32000 | \
1709 SNDRV_PCM_RATE_44100 | \
1710 SNDRV_PCM_RATE_48000 | \
1711 SNDRV_PCM_RATE_88200 | \
1712 SNDRV_PCM_RATE_96000)
1714 #define WM8903_CAPTURE_RATES (SNDRV_PCM_RATE_8000 |\
1715 SNDRV_PCM_RATE_11025 | \
1716 SNDRV_PCM_RATE_16000 | \
1717 SNDRV_PCM_RATE_22050 | \
1718 SNDRV_PCM_RATE_32000 | \
1719 SNDRV_PCM_RATE_44100 | \
1720 SNDRV_PCM_RATE_48000)
1722 #define WM8903_FORMATS (SNDRV_PCM_FMTBIT_S16_LE |\
1723 SNDRV_PCM_FMTBIT_S20_3LE |\
1724 SNDRV_PCM_FMTBIT_S24_LE)
1726 static struct snd_soc_dai_ops wm8903_dai_ops = {
1727 .hw_params = wm8903_hw_params,
1728 .digital_mute = wm8903_digital_mute,
1729 .set_fmt = wm8903_set_dai_fmt,
1730 .set_sysclk = wm8903_set_dai_sysclk,
1733 static struct snd_soc_dai_driver wm8903_dai = {
1734 .name = "wm8903-hifi",
1736 .stream_name = "Playback",
1739 .rates = WM8903_PLAYBACK_RATES,
1740 .formats = WM8903_FORMATS,
1743 .stream_name = "Capture",
1746 .rates = WM8903_CAPTURE_RATES,
1747 .formats = WM8903_FORMATS,
1749 .ops = &wm8903_dai_ops,
1750 .symmetric_rates = 1,
1753 static int wm8903_suspend(struct snd_soc_codec *codec, pm_message_t state)
1755 wm8903_set_bias_level(codec, SND_SOC_BIAS_OFF);
1760 static int wm8903_resume(struct snd_soc_codec *codec)
1763 u16 *reg_cache = codec->reg_cache;
1764 u16 *tmp_cache = kmemdup(reg_cache, sizeof(wm8903_reg_defaults),
1767 /* Bring the codec back up to standby first to minimise pop/clicks */
1768 wm8903_set_bias_level(codec, SND_SOC_BIAS_STANDBY);
1770 /* Sync back everything else */
1772 for (i = 2; i < ARRAY_SIZE(wm8903_reg_defaults); i++)
1773 if (tmp_cache[i] != reg_cache[i])
1774 snd_soc_write(codec, i, tmp_cache[i]);
1777 dev_err(codec->dev, "Failed to allocate temporary cache\n");
1783 #ifdef CONFIG_GPIOLIB
1784 static inline struct wm8903_priv *gpio_to_wm8903(struct gpio_chip *chip)
1786 return container_of(chip, struct wm8903_priv, gpio_chip);
1789 static int wm8903_gpio_request(struct gpio_chip *chip, unsigned offset)
1791 if (offset >= WM8903_NUM_GPIO)
1797 static int wm8903_gpio_direction_in(struct gpio_chip *chip, unsigned offset)
1799 struct wm8903_priv *wm8903 = gpio_to_wm8903(chip);
1800 struct snd_soc_codec *codec = wm8903->codec;
1801 unsigned int mask, val;
1803 mask = WM8903_GP1_FN_MASK | WM8903_GP1_DIR_MASK;
1804 val = (WM8903_GPn_FN_GPIO_INPUT << WM8903_GP1_FN_SHIFT) |
1807 return snd_soc_update_bits(codec, WM8903_GPIO_CONTROL_1 + offset,
1811 static int wm8903_gpio_get(struct gpio_chip *chip, unsigned offset)
1813 struct wm8903_priv *wm8903 = gpio_to_wm8903(chip);
1814 struct snd_soc_codec *codec = wm8903->codec;
1817 reg = snd_soc_read(codec, WM8903_GPIO_CONTROL_1 + offset);
1819 return (reg & WM8903_GP1_LVL_MASK) >> WM8903_GP1_LVL_SHIFT;
1822 static int wm8903_gpio_direction_out(struct gpio_chip *chip,
1823 unsigned offset, int value)
1825 struct wm8903_priv *wm8903 = gpio_to_wm8903(chip);
1826 struct snd_soc_codec *codec = wm8903->codec;
1827 unsigned int mask, val;
1829 mask = WM8903_GP1_FN_MASK | WM8903_GP1_DIR_MASK | WM8903_GP1_LVL_MASK;
1830 val = (WM8903_GPn_FN_GPIO_OUTPUT << WM8903_GP1_FN_SHIFT) |
1831 (value << WM8903_GP2_LVL_SHIFT);
1833 return snd_soc_update_bits(codec, WM8903_GPIO_CONTROL_1 + offset,
1837 static void wm8903_gpio_set(struct gpio_chip *chip, unsigned offset, int value)
1839 struct wm8903_priv *wm8903 = gpio_to_wm8903(chip);
1840 struct snd_soc_codec *codec = wm8903->codec;
1842 snd_soc_update_bits(codec, WM8903_GPIO_CONTROL_1 + offset,
1843 WM8903_GP1_LVL_MASK,
1844 !!value << WM8903_GP1_LVL_SHIFT);
1847 static struct gpio_chip wm8903_template_chip = {
1849 .owner = THIS_MODULE,
1850 .request = wm8903_gpio_request,
1851 .direction_input = wm8903_gpio_direction_in,
1852 .get = wm8903_gpio_get,
1853 .direction_output = wm8903_gpio_direction_out,
1854 .set = wm8903_gpio_set,
1858 static void wm8903_init_gpio(struct snd_soc_codec *codec)
1860 struct wm8903_priv *wm8903 = snd_soc_codec_get_drvdata(codec);
1861 struct wm8903_platform_data *pdata = dev_get_platdata(codec->dev);
1864 wm8903->gpio_chip = wm8903_template_chip;
1865 wm8903->gpio_chip.ngpio = WM8903_NUM_GPIO;
1866 wm8903->gpio_chip.dev = codec->dev;
1868 if (pdata && 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(codec->dev, "Failed to add GPIOs: %d\n", ret);
1878 static void wm8903_free_gpio(struct snd_soc_codec *codec)
1880 struct wm8903_priv *wm8903 = snd_soc_codec_get_drvdata(codec);
1883 ret = gpiochip_remove(&wm8903->gpio_chip);
1885 dev_err(codec->dev, "Failed to remove GPIOs: %d\n", ret);
1888 static void wm8903_init_gpio(struct snd_soc_codec *codec)
1892 static void wm8903_free_gpio(struct snd_soc_codec *codec)
1897 static int wm8903_probe(struct snd_soc_codec *codec)
1899 struct wm8903_platform_data *pdata = dev_get_platdata(codec->dev);
1900 struct wm8903_priv *wm8903 = snd_soc_codec_get_drvdata(codec);
1902 int trigger, irq_pol;
1905 wm8903->codec = codec;
1907 ret = snd_soc_codec_set_cache_io(codec, 8, 16, SND_SOC_I2C);
1909 dev_err(codec->dev, "Failed to set cache I/O: %d\n", ret);
1913 val = snd_soc_read(codec, WM8903_SW_RESET_AND_ID);
1914 if (val != wm8903_reg_defaults[WM8903_SW_RESET_AND_ID]) {
1916 "Device with ID register %x is not a WM8903\n", val);
1920 val = snd_soc_read(codec, WM8903_REVISION_NUMBER);
1921 dev_info(codec->dev, "WM8903 revision %c\n",
1922 (val & WM8903_CHIP_REV_MASK) + 'A');
1924 wm8903_reset(codec);
1926 /* Set up GPIOs and microphone detection */
1928 bool mic_gpio = false;
1930 for (i = 0; i < ARRAY_SIZE(pdata->gpio_cfg); i++) {
1931 if (pdata->gpio_cfg[i] == WM8903_GPIO_NO_CONFIG)
1934 snd_soc_write(codec, WM8903_GPIO_CONTROL_1 + i,
1935 pdata->gpio_cfg[i] & 0xffff);
1937 val = (pdata->gpio_cfg[i] & WM8903_GP1_FN_MASK)
1938 >> WM8903_GP1_FN_SHIFT;
1941 case WM8903_GPn_FN_MICBIAS_CURRENT_DETECT:
1942 case WM8903_GPn_FN_MICBIAS_SHORT_DETECT:
1950 snd_soc_write(codec, WM8903_MIC_BIAS_CONTROL_0,
1953 /* Microphone detection needs the WSEQ clock */
1954 if (pdata->micdet_cfg)
1955 snd_soc_update_bits(codec, WM8903_WRITE_SEQUENCER_0,
1956 WM8903_WSEQ_ENA, WM8903_WSEQ_ENA);
1958 /* If microphone detection is enabled by pdata but
1959 * detected via IRQ then interrupts can be lost before
1960 * the machine driver has set up microphone detection
1961 * IRQs as the IRQs are clear on read. The detection
1962 * will be enabled when the machine driver configures.
1964 WARN_ON(!mic_gpio && (pdata->micdet_cfg & WM8903_MICDET_ENA));
1966 wm8903->mic_delay = pdata->micdet_delay;
1970 if (pdata && pdata->irq_active_low) {
1971 trigger = IRQF_TRIGGER_LOW;
1972 irq_pol = WM8903_IRQ_POL;
1974 trigger = IRQF_TRIGGER_HIGH;
1978 snd_soc_update_bits(codec, WM8903_INTERRUPT_CONTROL,
1979 WM8903_IRQ_POL, irq_pol);
1981 ret = request_threaded_irq(wm8903->irq, NULL, wm8903_irq,
1982 trigger | IRQF_ONESHOT,
1985 dev_err(codec->dev, "Failed to request IRQ: %d\n",
1990 /* Enable write sequencer interrupts */
1991 snd_soc_update_bits(codec, WM8903_INTERRUPT_STATUS_1_MASK,
1992 WM8903_IM_WSEQ_BUSY_EINT, 0);
1995 /* power on device */
1996 wm8903_set_bias_level(codec, SND_SOC_BIAS_STANDBY);
1998 /* Latch volume update bits */
1999 val = snd_soc_read(codec, WM8903_ADC_DIGITAL_VOLUME_LEFT);
2000 val |= WM8903_ADCVU;
2001 snd_soc_write(codec, WM8903_ADC_DIGITAL_VOLUME_LEFT, val);
2002 snd_soc_write(codec, WM8903_ADC_DIGITAL_VOLUME_RIGHT, val);
2004 val = snd_soc_read(codec, WM8903_DAC_DIGITAL_VOLUME_LEFT);
2005 val |= WM8903_DACVU;
2006 snd_soc_write(codec, WM8903_DAC_DIGITAL_VOLUME_LEFT, val);
2007 snd_soc_write(codec, WM8903_DAC_DIGITAL_VOLUME_RIGHT, val);
2009 val = snd_soc_read(codec, WM8903_ANALOGUE_OUT1_LEFT);
2010 val |= WM8903_HPOUTVU;
2011 snd_soc_write(codec, WM8903_ANALOGUE_OUT1_LEFT, val);
2012 snd_soc_write(codec, WM8903_ANALOGUE_OUT1_RIGHT, val);
2014 val = snd_soc_read(codec, WM8903_ANALOGUE_OUT2_LEFT);
2015 val |= WM8903_LINEOUTVU;
2016 snd_soc_write(codec, WM8903_ANALOGUE_OUT2_LEFT, val);
2017 snd_soc_write(codec, WM8903_ANALOGUE_OUT2_RIGHT, val);
2019 val = snd_soc_read(codec, WM8903_ANALOGUE_OUT3_LEFT);
2020 val |= WM8903_SPKVU;
2021 snd_soc_write(codec, WM8903_ANALOGUE_OUT3_LEFT, val);
2022 snd_soc_write(codec, WM8903_ANALOGUE_OUT3_RIGHT, val);
2024 /* Enable DAC soft mute by default */
2025 snd_soc_update_bits(codec, WM8903_DAC_DIGITAL_1,
2026 WM8903_DAC_MUTEMODE | WM8903_DAC_MUTE,
2027 WM8903_DAC_MUTEMODE | WM8903_DAC_MUTE);
2029 snd_soc_add_controls(codec, wm8903_snd_controls,
2030 ARRAY_SIZE(wm8903_snd_controls));
2031 wm8903_add_widgets(codec);
2033 wm8903_init_gpio(codec);
2038 /* power down chip */
2039 static int wm8903_remove(struct snd_soc_codec *codec)
2041 wm8903_free_gpio(codec);
2042 wm8903_set_bias_level(codec, SND_SOC_BIAS_OFF);
2046 static struct snd_soc_codec_driver soc_codec_dev_wm8903 = {
2047 .probe = wm8903_probe,
2048 .remove = wm8903_remove,
2049 .suspend = wm8903_suspend,
2050 .resume = wm8903_resume,
2051 .set_bias_level = wm8903_set_bias_level,
2052 .reg_cache_size = ARRAY_SIZE(wm8903_reg_defaults),
2053 .reg_word_size = sizeof(u16),
2054 .reg_cache_default = wm8903_reg_defaults,
2055 .volatile_register = wm8903_volatile_register,
2056 .seq_notifier = wm8903_seq_notifier,
2059 #if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE)
2060 static __devinit int wm8903_i2c_probe(struct i2c_client *i2c,
2061 const struct i2c_device_id *id)
2063 struct wm8903_priv *wm8903;
2066 wm8903 = kzalloc(sizeof(struct wm8903_priv), GFP_KERNEL);
2070 i2c_set_clientdata(i2c, wm8903);
2071 wm8903->irq = i2c->irq;
2073 ret = snd_soc_register_codec(&i2c->dev,
2074 &soc_codec_dev_wm8903, &wm8903_dai, 1);
2080 static __devexit int wm8903_i2c_remove(struct i2c_client *client)
2082 snd_soc_unregister_codec(&client->dev);
2083 kfree(i2c_get_clientdata(client));
2087 static const struct i2c_device_id wm8903_i2c_id[] = {
2091 MODULE_DEVICE_TABLE(i2c, wm8903_i2c_id);
2093 static struct i2c_driver wm8903_i2c_driver = {
2096 .owner = THIS_MODULE,
2098 .probe = wm8903_i2c_probe,
2099 .remove = __devexit_p(wm8903_i2c_remove),
2100 .id_table = wm8903_i2c_id,
2104 static int __init wm8903_modinit(void)
2107 #if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE)
2108 ret = i2c_add_driver(&wm8903_i2c_driver);
2110 printk(KERN_ERR "Failed to register wm8903 I2C driver: %d\n",
2116 module_init(wm8903_modinit);
2118 static void __exit wm8903_exit(void)
2120 #if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE)
2121 i2c_del_driver(&wm8903_i2c_driver);
2124 module_exit(wm8903_exit);
2126 MODULE_DESCRIPTION("ASoC WM8903 driver");
2127 MODULE_AUTHOR("Mark Brown <broonie@opensource.wolfsonmicro.cm>");
2128 MODULE_LICENSE("GPL");