From 2c3c1048746a4622d8c89a29670120dc8fab93c4 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sun, 7 Apr 2024 20:49:45 +0200 Subject: Adding upstream version 6.1.76. Signed-off-by: Daniel Baumann --- sound/soc/codecs/wm8903.c | 2222 +++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 2222 insertions(+) create mode 100644 sound/soc/codecs/wm8903.c (limited to 'sound/soc/codecs/wm8903.c') diff --git a/sound/soc/codecs/wm8903.c b/sound/soc/codecs/wm8903.c new file mode 100644 index 000000000..41346e5ec --- /dev/null +++ b/sound/soc/codecs/wm8903.c @@ -0,0 +1,2222 @@ +// SPDX-License-Identifier: GPL-2.0-only +/* + * wm8903.c -- WM8903 ALSA SoC Audio driver + * + * Copyright 2008-12 Wolfson Microelectronics + * Copyright 2011-2012 NVIDIA, Inc. + * + * Author: Mark Brown + * + * TODO: + * - TDM mode configuration. + * - Digital microphone support. + */ + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#include "wm8903.h" + +/* Register defaults at reset */ +static const struct reg_default wm8903_reg_defaults[] = { + { 4, 0x0018 }, /* R4 - Bias Control 0 */ + { 5, 0x0000 }, /* R5 - VMID Control 0 */ + { 6, 0x0000 }, /* R6 - Mic Bias Control 0 */ + { 8, 0x0001 }, /* R8 - Analogue DAC 0 */ + { 10, 0x0001 }, /* R10 - Analogue ADC 0 */ + { 12, 0x0000 }, /* R12 - Power Management 0 */ + { 13, 0x0000 }, /* R13 - Power Management 1 */ + { 14, 0x0000 }, /* R14 - Power Management 2 */ + { 15, 0x0000 }, /* R15 - Power Management 3 */ + { 16, 0x0000 }, /* R16 - Power Management 4 */ + { 17, 0x0000 }, /* R17 - Power Management 5 */ + { 18, 0x0000 }, /* R18 - Power Management 6 */ + { 20, 0x0400 }, /* R20 - Clock Rates 0 */ + { 21, 0x0D07 }, /* R21 - Clock Rates 1 */ + { 22, 0x0000 }, /* R22 - Clock Rates 2 */ + { 24, 0x0050 }, /* R24 - Audio Interface 0 */ + { 25, 0x0242 }, /* R25 - Audio Interface 1 */ + { 26, 0x0008 }, /* R26 - Audio Interface 2 */ + { 27, 0x0022 }, /* R27 - Audio Interface 3 */ + { 30, 0x00C0 }, /* R30 - DAC Digital Volume Left */ + { 31, 0x00C0 }, /* R31 - DAC Digital Volume Right */ + { 32, 0x0000 }, /* R32 - DAC Digital 0 */ + { 33, 0x0000 }, /* R33 - DAC Digital 1 */ + { 36, 0x00C0 }, /* R36 - ADC Digital Volume Left */ + { 37, 0x00C0 }, /* R37 - ADC Digital Volume Right */ + { 38, 0x0000 }, /* R38 - ADC Digital 0 */ + { 39, 0x0073 }, /* R39 - Digital Microphone 0 */ + { 40, 0x09BF }, /* R40 - DRC 0 */ + { 41, 0x3241 }, /* R41 - DRC 1 */ + { 42, 0x0020 }, /* R42 - DRC 2 */ + { 43, 0x0000 }, /* R43 - DRC 3 */ + { 44, 0x0085 }, /* R44 - Analogue Left Input 0 */ + { 45, 0x0085 }, /* R45 - Analogue Right Input 0 */ + { 46, 0x0044 }, /* R46 - Analogue Left Input 1 */ + { 47, 0x0044 }, /* R47 - Analogue Right Input 1 */ + { 50, 0x0008 }, /* R50 - Analogue Left Mix 0 */ + { 51, 0x0004 }, /* R51 - Analogue Right Mix 0 */ + { 52, 0x0000 }, /* R52 - Analogue Spk Mix Left 0 */ + { 53, 0x0000 }, /* R53 - Analogue Spk Mix Left 1 */ + { 54, 0x0000 }, /* R54 - Analogue Spk Mix Right 0 */ + { 55, 0x0000 }, /* R55 - Analogue Spk Mix Right 1 */ + { 57, 0x002D }, /* R57 - Analogue OUT1 Left */ + { 58, 0x002D }, /* R58 - Analogue OUT1 Right */ + { 59, 0x0039 }, /* R59 - Analogue OUT2 Left */ + { 60, 0x0039 }, /* R60 - Analogue OUT2 Right */ + { 62, 0x0139 }, /* R62 - Analogue OUT3 Left */ + { 63, 0x0139 }, /* R63 - Analogue OUT3 Right */ + { 64, 0x0000 }, /* R65 - Analogue SPK Output Control 0 */ + { 67, 0x0010 }, /* R67 - DC Servo 0 */ + { 69, 0x00A4 }, /* R69 - DC Servo 2 */ + { 90, 0x0000 }, /* R90 - Analogue HP 0 */ + { 94, 0x0000 }, /* R94 - Analogue Lineout 0 */ + { 98, 0x0000 }, /* R98 - Charge Pump 0 */ + { 104, 0x0000 }, /* R104 - Class W 0 */ + { 108, 0x0000 }, /* R108 - Write Sequencer 0 */ + { 109, 0x0000 }, /* R109 - Write Sequencer 1 */ + { 110, 0x0000 }, /* R110 - Write Sequencer 2 */ + { 111, 0x0000 }, /* R111 - Write Sequencer 3 */ + { 112, 0x0000 }, /* R112 - Write Sequencer 4 */ + { 114, 0x0000 }, /* R114 - Control Interface */ + { 116, 0x00A8 }, /* R116 - GPIO Control 1 */ + { 117, 0x00A8 }, /* R117 - GPIO Control 2 */ + { 118, 0x00A8 }, /* R118 - GPIO Control 3 */ + { 119, 0x0220 }, /* R119 - GPIO Control 4 */ + { 120, 0x01A0 }, /* R120 - GPIO Control 5 */ + { 122, 0xFFFF }, /* R122 - Interrupt Status 1 Mask */ + { 123, 0x0000 }, /* R123 - Interrupt Polarity 1 */ + { 126, 0x0000 }, /* R126 - Interrupt Control */ + { 129, 0x0000 }, /* R129 - Control Interface Test 1 */ + { 149, 0x6810 }, /* R149 - Charge Pump Test 1 */ + { 164, 0x0028 }, /* R164 - Clock Rate Test 4 */ + { 172, 0x0000 }, /* R172 - Analogue Output Bias 0 */ +}; + +#define WM8903_NUM_SUPPLIES 4 +static const char *wm8903_supply_names[WM8903_NUM_SUPPLIES] = { + "AVDD", + "CPVDD", + "DBVDD", + "DCVDD", +}; + +struct wm8903_priv { + struct wm8903_platform_data *pdata; + struct device *dev; + struct regmap *regmap; + struct regulator_bulk_data supplies[WM8903_NUM_SUPPLIES]; + + int sysclk; + int irq; + + struct mutex lock; + int fs; + int deemph; + + int dcs_pending; + int dcs_cache[4]; + + /* Reference count */ + int class_w_users; + + struct snd_soc_jack *mic_jack; + int mic_det; + int mic_short; + int mic_last_report; + int mic_delay; + +#ifdef CONFIG_GPIOLIB + struct gpio_chip gpio_chip; +#endif +}; + +static bool wm8903_readable_register(struct device *dev, unsigned int reg) +{ + switch (reg) { + case WM8903_SW_RESET_AND_ID: + case WM8903_REVISION_NUMBER: + case WM8903_BIAS_CONTROL_0: + case WM8903_VMID_CONTROL_0: + case WM8903_MIC_BIAS_CONTROL_0: + case WM8903_ANALOGUE_DAC_0: + case WM8903_ANALOGUE_ADC_0: + case WM8903_POWER_MANAGEMENT_0: + case WM8903_POWER_MANAGEMENT_1: + case WM8903_POWER_MANAGEMENT_2: + case WM8903_POWER_MANAGEMENT_3: + case WM8903_POWER_MANAGEMENT_4: + case WM8903_POWER_MANAGEMENT_5: + case WM8903_POWER_MANAGEMENT_6: + case WM8903_CLOCK_RATES_0: + case WM8903_CLOCK_RATES_1: + case WM8903_CLOCK_RATES_2: + case WM8903_AUDIO_INTERFACE_0: + case WM8903_AUDIO_INTERFACE_1: + case WM8903_AUDIO_INTERFACE_2: + case WM8903_AUDIO_INTERFACE_3: + case WM8903_DAC_DIGITAL_VOLUME_LEFT: + case WM8903_DAC_DIGITAL_VOLUME_RIGHT: + case WM8903_DAC_DIGITAL_0: + case WM8903_DAC_DIGITAL_1: + case WM8903_ADC_DIGITAL_VOLUME_LEFT: + case WM8903_ADC_DIGITAL_VOLUME_RIGHT: + case WM8903_ADC_DIGITAL_0: + case WM8903_DIGITAL_MICROPHONE_0: + case WM8903_DRC_0: + case WM8903_DRC_1: + case WM8903_DRC_2: + case WM8903_DRC_3: + case WM8903_ANALOGUE_LEFT_INPUT_0: + case WM8903_ANALOGUE_RIGHT_INPUT_0: + case WM8903_ANALOGUE_LEFT_INPUT_1: + case WM8903_ANALOGUE_RIGHT_INPUT_1: + case WM8903_ANALOGUE_LEFT_MIX_0: + case WM8903_ANALOGUE_RIGHT_MIX_0: + case WM8903_ANALOGUE_SPK_MIX_LEFT_0: + case WM8903_ANALOGUE_SPK_MIX_LEFT_1: + case WM8903_ANALOGUE_SPK_MIX_RIGHT_0: + case WM8903_ANALOGUE_SPK_MIX_RIGHT_1: + case WM8903_ANALOGUE_OUT1_LEFT: + case WM8903_ANALOGUE_OUT1_RIGHT: + case WM8903_ANALOGUE_OUT2_LEFT: + case WM8903_ANALOGUE_OUT2_RIGHT: + case WM8903_ANALOGUE_OUT3_LEFT: + case WM8903_ANALOGUE_OUT3_RIGHT: + case WM8903_ANALOGUE_SPK_OUTPUT_CONTROL_0: + case WM8903_DC_SERVO_0: + case WM8903_DC_SERVO_2: + case WM8903_DC_SERVO_READBACK_1: + case WM8903_DC_SERVO_READBACK_2: + case WM8903_DC_SERVO_READBACK_3: + case WM8903_DC_SERVO_READBACK_4: + case WM8903_ANALOGUE_HP_0: + case WM8903_ANALOGUE_LINEOUT_0: + case WM8903_CHARGE_PUMP_0: + case WM8903_CLASS_W_0: + case WM8903_WRITE_SEQUENCER_0: + case WM8903_WRITE_SEQUENCER_1: + case WM8903_WRITE_SEQUENCER_2: + case WM8903_WRITE_SEQUENCER_3: + case WM8903_WRITE_SEQUENCER_4: + case WM8903_CONTROL_INTERFACE: + case WM8903_GPIO_CONTROL_1: + case WM8903_GPIO_CONTROL_2: + case WM8903_GPIO_CONTROL_3: + case WM8903_GPIO_CONTROL_4: + case WM8903_GPIO_CONTROL_5: + case WM8903_INTERRUPT_STATUS_1: + case WM8903_INTERRUPT_STATUS_1_MASK: + case WM8903_INTERRUPT_POLARITY_1: + case WM8903_INTERRUPT_CONTROL: + case WM8903_CLOCK_RATE_TEST_4: + case WM8903_ANALOGUE_OUTPUT_BIAS_0: + return true; + default: + return false; + } +} + +static bool wm8903_volatile_register(struct device *dev, unsigned int reg) +{ + switch (reg) { + case WM8903_SW_RESET_AND_ID: + case WM8903_REVISION_NUMBER: + case WM8903_INTERRUPT_STATUS_1: + case WM8903_WRITE_SEQUENCER_4: + case WM8903_DC_SERVO_READBACK_1: + case WM8903_DC_SERVO_READBACK_2: + case WM8903_DC_SERVO_READBACK_3: + case WM8903_DC_SERVO_READBACK_4: + return true; + + default: + return false; + } +} + +static int wm8903_cp_event(struct snd_soc_dapm_widget *w, + struct snd_kcontrol *kcontrol, int event) +{ + WARN_ON(event != SND_SOC_DAPM_POST_PMU); + mdelay(4); + + return 0; +} + +static int wm8903_dcs_event(struct snd_soc_dapm_widget *w, + struct snd_kcontrol *kcontrol, int event) +{ + struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm); + struct wm8903_priv *wm8903 = snd_soc_component_get_drvdata(component); + + switch (event) { + case SND_SOC_DAPM_POST_PMU: + wm8903->dcs_pending |= 1 << w->shift; + break; + case SND_SOC_DAPM_PRE_PMD: + snd_soc_component_update_bits(component, WM8903_DC_SERVO_0, + 1 << w->shift, 0); + break; + } + + return 0; +} + +#define WM8903_DCS_MODE_WRITE_STOP 0 +#define WM8903_DCS_MODE_START_STOP 2 + +static void wm8903_seq_notifier(struct snd_soc_component *component, + enum snd_soc_dapm_type event, int subseq) +{ + struct wm8903_priv *wm8903 = snd_soc_component_get_drvdata(component); + int dcs_mode = WM8903_DCS_MODE_WRITE_STOP; + int i, val; + + /* Complete any pending DC servo starts */ + if (wm8903->dcs_pending) { + dev_dbg(component->dev, "Starting DC servo for %x\n", + wm8903->dcs_pending); + + /* If we've no cached values then we need to do startup */ + for (i = 0; i < ARRAY_SIZE(wm8903->dcs_cache); i++) { + if (!(wm8903->dcs_pending & (1 << i))) + continue; + + if (wm8903->dcs_cache[i]) { + dev_dbg(component->dev, + "Restore DC servo %d value %x\n", + 3 - i, wm8903->dcs_cache[i]); + + snd_soc_component_write(component, WM8903_DC_SERVO_4 + i, + wm8903->dcs_cache[i] & 0xff); + } else { + dev_dbg(component->dev, + "Calibrate DC servo %d\n", 3 - i); + dcs_mode = WM8903_DCS_MODE_START_STOP; + } + } + + /* Don't trust the cache for analogue */ + if (wm8903->class_w_users) + dcs_mode = WM8903_DCS_MODE_START_STOP; + + snd_soc_component_update_bits(component, WM8903_DC_SERVO_2, + WM8903_DCS_MODE_MASK, dcs_mode); + + snd_soc_component_update_bits(component, WM8903_DC_SERVO_0, + WM8903_DCS_ENA_MASK, wm8903->dcs_pending); + + switch (dcs_mode) { + case WM8903_DCS_MODE_WRITE_STOP: + break; + + case WM8903_DCS_MODE_START_STOP: + msleep(270); + + /* Cache the measured offsets for digital */ + if (wm8903->class_w_users) + break; + + for (i = 0; i < ARRAY_SIZE(wm8903->dcs_cache); i++) { + if (!(wm8903->dcs_pending & (1 << i))) + continue; + + val = snd_soc_component_read(component, + WM8903_DC_SERVO_READBACK_1 + i); + dev_dbg(component->dev, "DC servo %d: %x\n", + 3 - i, val); + wm8903->dcs_cache[i] = val; + } + break; + + default: + pr_warn("DCS mode %d delay not set\n", dcs_mode); + break; + } + + wm8903->dcs_pending = 0; + } +} + +/* + * When used with DAC outputs only the WM8903 charge pump supports + * operation in class W mode, providing very low power consumption + * when used with digital sources. Enable and disable this mode + * automatically depending on the mixer configuration. + * + * All the relevant controls are simple switches. + */ +static int wm8903_class_w_put(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) +{ + struct snd_soc_component *component = snd_soc_dapm_kcontrol_component(kcontrol); + struct wm8903_priv *wm8903 = snd_soc_component_get_drvdata(component); + u16 reg; + int ret; + + reg = snd_soc_component_read(component, WM8903_CLASS_W_0); + + /* Turn it off if we're about to enable bypass */ + if (ucontrol->value.integer.value[0]) { + if (wm8903->class_w_users == 0) { + dev_dbg(component->dev, "Disabling Class W\n"); + snd_soc_component_write(component, WM8903_CLASS_W_0, reg & + ~(WM8903_CP_DYN_FREQ | WM8903_CP_DYN_V)); + } + wm8903->class_w_users++; + } + + /* Implement the change */ + ret = snd_soc_dapm_put_volsw(kcontrol, ucontrol); + + /* If we've just disabled the last bypass path turn Class W on */ + if (!ucontrol->value.integer.value[0]) { + if (wm8903->class_w_users == 1) { + dev_dbg(component->dev, "Enabling Class W\n"); + snd_soc_component_write(component, WM8903_CLASS_W_0, reg | + WM8903_CP_DYN_FREQ | WM8903_CP_DYN_V); + } + wm8903->class_w_users--; + } + + dev_dbg(component->dev, "Bypass use count now %d\n", + wm8903->class_w_users); + + return ret; +} + +#define SOC_DAPM_SINGLE_W(xname, reg, shift, max, invert) \ + SOC_SINGLE_EXT(xname, reg, shift, max, invert, \ + snd_soc_dapm_get_volsw, wm8903_class_w_put) + + +static int wm8903_deemph[] = { 0, 32000, 44100, 48000 }; + +static int wm8903_set_deemph(struct snd_soc_component *component) +{ + struct wm8903_priv *wm8903 = snd_soc_component_get_drvdata(component); + int val, i, best; + + /* If we're using deemphasis select the nearest available sample + * rate. + */ + if (wm8903->deemph) { + best = 1; + for (i = 2; i < ARRAY_SIZE(wm8903_deemph); i++) { + if (abs(wm8903_deemph[i] - wm8903->fs) < + abs(wm8903_deemph[best] - wm8903->fs)) + best = i; + } + + val = best << WM8903_DEEMPH_SHIFT; + } else { + best = 0; + val = 0; + } + + dev_dbg(component->dev, "Set deemphasis %d (%dHz)\n", + best, wm8903_deemph[best]); + + return snd_soc_component_update_bits(component, WM8903_DAC_DIGITAL_1, + WM8903_DEEMPH_MASK, val); +} + +static int wm8903_get_deemph(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) +{ + struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol); + struct wm8903_priv *wm8903 = snd_soc_component_get_drvdata(component); + + ucontrol->value.integer.value[0] = wm8903->deemph; + + return 0; +} + +static int wm8903_put_deemph(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) +{ + struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol); + struct wm8903_priv *wm8903 = snd_soc_component_get_drvdata(component); + unsigned int deemph = ucontrol->value.integer.value[0]; + int ret = 0; + + if (deemph > 1) + return -EINVAL; + + mutex_lock(&wm8903->lock); + if (wm8903->deemph != deemph) { + wm8903->deemph = deemph; + + wm8903_set_deemph(component); + + ret = 1; + } + mutex_unlock(&wm8903->lock); + + return ret; +} + +/* ALSA can only do steps of .01dB */ +static const DECLARE_TLV_DB_SCALE(digital_tlv, -7200, 75, 1); + +static const DECLARE_TLV_DB_SCALE(dac_boost_tlv, 0, 600, 0); + +static const DECLARE_TLV_DB_SCALE(digital_sidetone_tlv, -3600, 300, 0); +static const DECLARE_TLV_DB_SCALE(out_tlv, -5700, 100, 0); + +static const DECLARE_TLV_DB_SCALE(drc_tlv_thresh, 0, 75, 0); +static const DECLARE_TLV_DB_SCALE(drc_tlv_amp, -2250, 75, 0); +static const DECLARE_TLV_DB_SCALE(drc_tlv_min, 0, 600, 0); +static const DECLARE_TLV_DB_SCALE(drc_tlv_max, 1200, 600, 0); +static const DECLARE_TLV_DB_SCALE(drc_tlv_startup, -300, 50, 0); + +static const char *hpf_mode_text[] = { + "Hi-fi", "Voice 1", "Voice 2", "Voice 3" +}; + +static SOC_ENUM_SINGLE_DECL(hpf_mode, + WM8903_ADC_DIGITAL_0, 5, hpf_mode_text); + +static const char *osr_text[] = { + "Low power", "High performance" +}; + +static SOC_ENUM_SINGLE_DECL(adc_osr, + WM8903_ANALOGUE_ADC_0, 0, osr_text); + +static SOC_ENUM_SINGLE_DECL(dac_osr, + WM8903_DAC_DIGITAL_1, 0, osr_text); + +static const char *drc_slope_text[] = { + "1", "1/2", "1/4", "1/8", "1/16", "0" +}; + +static SOC_ENUM_SINGLE_DECL(drc_slope_r0, + WM8903_DRC_2, 3, drc_slope_text); + +static SOC_ENUM_SINGLE_DECL(drc_slope_r1, + WM8903_DRC_2, 0, drc_slope_text); + +static const char *drc_attack_text[] = { + "instantaneous", + "363us", "762us", "1.45ms", "2.9ms", "5.8ms", "11.6ms", "23.2ms", + "46.4ms", "92.8ms", "185.6ms" +}; + +static SOC_ENUM_SINGLE_DECL(drc_attack, + WM8903_DRC_1, 12, drc_attack_text); + +static const char *drc_decay_text[] = { + "186ms", "372ms", "743ms", "1.49s", "2.97s", "5.94s", "11.89s", + "23.87s", "47.56s" +}; + +static SOC_ENUM_SINGLE_DECL(drc_decay, + WM8903_DRC_1, 8, drc_decay_text); + +static const char *drc_ff_delay_text[] = { + "5 samples", "9 samples" +}; + +static SOC_ENUM_SINGLE_DECL(drc_ff_delay, + WM8903_DRC_0, 5, drc_ff_delay_text); + +static const char *drc_qr_decay_text[] = { + "0.725ms", "1.45ms", "5.8ms" +}; + +static SOC_ENUM_SINGLE_DECL(drc_qr_decay, + WM8903_DRC_1, 4, drc_qr_decay_text); + +static const char *drc_smoothing_text[] = { + "Low", "Medium", "High" +}; + +static SOC_ENUM_SINGLE_DECL(drc_smoothing, + WM8903_DRC_0, 11, drc_smoothing_text); + +static const char *soft_mute_text[] = { + "Fast (fs/2)", "Slow (fs/32)" +}; + +static SOC_ENUM_SINGLE_DECL(soft_mute, + WM8903_DAC_DIGITAL_1, 10, soft_mute_text); + +static const char *mute_mode_text[] = { + "Hard", "Soft" +}; + +static SOC_ENUM_SINGLE_DECL(mute_mode, + WM8903_DAC_DIGITAL_1, 9, mute_mode_text); + +static const char *companding_text[] = { + "ulaw", "alaw" +}; + +static SOC_ENUM_SINGLE_DECL(dac_companding, + WM8903_AUDIO_INTERFACE_0, 0, companding_text); + +static SOC_ENUM_SINGLE_DECL(adc_companding, + WM8903_AUDIO_INTERFACE_0, 2, companding_text); + +static const char *input_mode_text[] = { + "Single-Ended", "Differential Line", "Differential Mic" +}; + +static SOC_ENUM_SINGLE_DECL(linput_mode_enum, + WM8903_ANALOGUE_LEFT_INPUT_1, 0, input_mode_text); + +static SOC_ENUM_SINGLE_DECL(rinput_mode_enum, + WM8903_ANALOGUE_RIGHT_INPUT_1, 0, input_mode_text); + +static const char *linput_mux_text[] = { + "IN1L", "IN2L", "IN3L" +}; + +static SOC_ENUM_SINGLE_DECL(linput_enum, + WM8903_ANALOGUE_LEFT_INPUT_1, 2, linput_mux_text); + +static SOC_ENUM_SINGLE_DECL(linput_inv_enum, + WM8903_ANALOGUE_LEFT_INPUT_1, 4, linput_mux_text); + +static const char *rinput_mux_text[] = { + "IN1R", "IN2R", "IN3R" +}; + +static SOC_ENUM_SINGLE_DECL(rinput_enum, + WM8903_ANALOGUE_RIGHT_INPUT_1, 2, rinput_mux_text); + +static SOC_ENUM_SINGLE_DECL(rinput_inv_enum, + WM8903_ANALOGUE_RIGHT_INPUT_1, 4, rinput_mux_text); + + +static const char *sidetone_text[] = { + "None", "Left", "Right" +}; + +static SOC_ENUM_SINGLE_DECL(lsidetone_enum, + WM8903_DAC_DIGITAL_0, 2, sidetone_text); + +static SOC_ENUM_SINGLE_DECL(rsidetone_enum, + WM8903_DAC_DIGITAL_0, 0, sidetone_text); + +static const char *adcinput_text[] = { + "ADC", "DMIC" +}; + +static SOC_ENUM_SINGLE_DECL(adcinput_enum, + WM8903_CLOCK_RATE_TEST_4, 9, adcinput_text); + +static const char *aif_text[] = { + "Left", "Right" +}; + +static SOC_ENUM_SINGLE_DECL(lcapture_enum, + WM8903_AUDIO_INTERFACE_0, 7, aif_text); + +static SOC_ENUM_SINGLE_DECL(rcapture_enum, + WM8903_AUDIO_INTERFACE_0, 6, aif_text); + +static SOC_ENUM_SINGLE_DECL(lplay_enum, + WM8903_AUDIO_INTERFACE_0, 5, aif_text); + +static SOC_ENUM_SINGLE_DECL(rplay_enum, + WM8903_AUDIO_INTERFACE_0, 4, aif_text); + +static const struct snd_kcontrol_new wm8903_snd_controls[] = { + +/* Input PGAs - No TLV since the scale depends on PGA mode */ +SOC_SINGLE("Left Input PGA Switch", WM8903_ANALOGUE_LEFT_INPUT_0, + 7, 1, 1), +SOC_SINGLE("Left Input PGA Volume", WM8903_ANALOGUE_LEFT_INPUT_0, + 0, 31, 0), +SOC_SINGLE("Left Input PGA Common Mode Switch", WM8903_ANALOGUE_LEFT_INPUT_1, + 6, 1, 0), + +SOC_SINGLE("Right Input PGA Switch", WM8903_ANALOGUE_RIGHT_INPUT_0, + 7, 1, 1), +SOC_SINGLE("Right Input PGA Volume", WM8903_ANALOGUE_RIGHT_INPUT_0, + 0, 31, 0), +SOC_SINGLE("Right Input PGA Common Mode Switch", WM8903_ANALOGUE_RIGHT_INPUT_1, + 6, 1, 0), + +/* ADCs */ +SOC_ENUM("ADC OSR", adc_osr), +SOC_SINGLE("HPF Switch", WM8903_ADC_DIGITAL_0, 4, 1, 0), +SOC_ENUM("HPF Mode", hpf_mode), +SOC_SINGLE("DRC Switch", WM8903_DRC_0, 15, 1, 0), +SOC_ENUM("DRC Compressor Slope R0", drc_slope_r0), +SOC_ENUM("DRC Compressor Slope R1", drc_slope_r1), +SOC_SINGLE_TLV("DRC Compressor Threshold Volume", WM8903_DRC_3, 5, 124, 1, + drc_tlv_thresh), +SOC_SINGLE_TLV("DRC Volume", WM8903_DRC_3, 0, 30, 1, drc_tlv_amp), +SOC_SINGLE_TLV("DRC Minimum Gain Volume", WM8903_DRC_1, 2, 3, 1, drc_tlv_min), +SOC_SINGLE_TLV("DRC Maximum Gain Volume", WM8903_DRC_1, 0, 3, 0, drc_tlv_max), +SOC_ENUM("DRC Attack Rate", drc_attack), +SOC_ENUM("DRC Decay Rate", drc_decay), +SOC_ENUM("DRC FF Delay", drc_ff_delay), +SOC_SINGLE("DRC Anticlip Switch", WM8903_DRC_0, 1, 1, 0), +SOC_SINGLE("DRC QR Switch", WM8903_DRC_0, 2, 1, 0), +SOC_SINGLE_TLV("DRC QR Threshold Volume", WM8903_DRC_0, 6, 3, 0, drc_tlv_max), +SOC_ENUM("DRC QR Decay Rate", drc_qr_decay), +SOC_SINGLE("DRC Smoothing Switch", WM8903_DRC_0, 3, 1, 0), +SOC_SINGLE("DRC Smoothing Hysteresis Switch", WM8903_DRC_0, 0, 1, 0), +SOC_ENUM("DRC Smoothing Threshold", drc_smoothing), +SOC_SINGLE_TLV("DRC Startup Volume", WM8903_DRC_0, 6, 18, 0, drc_tlv_startup), + +SOC_DOUBLE_R_TLV("Digital Capture Volume", WM8903_ADC_DIGITAL_VOLUME_LEFT, + WM8903_ADC_DIGITAL_VOLUME_RIGHT, 1, 120, 0, digital_tlv), +SOC_ENUM("ADC Companding Mode", adc_companding), +SOC_SINGLE("ADC Companding Switch", WM8903_AUDIO_INTERFACE_0, 3, 1, 0), + +SOC_DOUBLE_TLV("Digital Sidetone Volume", WM8903_DAC_DIGITAL_0, 4, 8, + 12, 0, digital_sidetone_tlv), + +/* DAC */ +SOC_ENUM("DAC OSR", dac_osr), +SOC_DOUBLE_R_TLV("Digital Playback Volume", WM8903_DAC_DIGITAL_VOLUME_LEFT, + WM8903_DAC_DIGITAL_VOLUME_RIGHT, 1, 120, 0, digital_tlv), +SOC_ENUM("DAC Soft Mute Rate", soft_mute), +SOC_ENUM("DAC Mute Mode", mute_mode), +SOC_SINGLE("DAC Mono Switch", WM8903_DAC_DIGITAL_1, 12, 1, 0), +SOC_ENUM("DAC Companding Mode", dac_companding), +SOC_SINGLE("DAC Companding Switch", WM8903_AUDIO_INTERFACE_0, 1, 1, 0), +SOC_SINGLE_TLV("DAC Boost Volume", WM8903_AUDIO_INTERFACE_0, 9, 3, 0, + dac_boost_tlv), +SOC_SINGLE_BOOL_EXT("Playback Deemphasis Switch", 0, + wm8903_get_deemph, wm8903_put_deemph), + +/* Headphones */ +SOC_DOUBLE_R("Headphone Switch", + WM8903_ANALOGUE_OUT1_LEFT, WM8903_ANALOGUE_OUT1_RIGHT, + 8, 1, 1), +SOC_DOUBLE_R("Headphone ZC Switch", + WM8903_ANALOGUE_OUT1_LEFT, WM8903_ANALOGUE_OUT1_RIGHT, + 6, 1, 0), +SOC_DOUBLE_R_TLV("Headphone Volume", + WM8903_ANALOGUE_OUT1_LEFT, WM8903_ANALOGUE_OUT1_RIGHT, + 0, 63, 0, out_tlv), + +/* Line out */ +SOC_DOUBLE_R("Line Out Switch", + WM8903_ANALOGUE_OUT2_LEFT, WM8903_ANALOGUE_OUT2_RIGHT, + 8, 1, 1), +SOC_DOUBLE_R("Line Out ZC Switch", + WM8903_ANALOGUE_OUT2_LEFT, WM8903_ANALOGUE_OUT2_RIGHT, + 6, 1, 0), +SOC_DOUBLE_R_TLV("Line Out Volume", + WM8903_ANALOGUE_OUT2_LEFT, WM8903_ANALOGUE_OUT2_RIGHT, + 0, 63, 0, out_tlv), + +/* Speaker */ +SOC_DOUBLE_R("Speaker Switch", + WM8903_ANALOGUE_OUT3_LEFT, WM8903_ANALOGUE_OUT3_RIGHT, 8, 1, 1), +SOC_DOUBLE_R("Speaker ZC Switch", + WM8903_ANALOGUE_OUT3_LEFT, WM8903_ANALOGUE_OUT3_RIGHT, 6, 1, 0), +SOC_DOUBLE_R_TLV("Speaker Volume", + WM8903_ANALOGUE_OUT3_LEFT, WM8903_ANALOGUE_OUT3_RIGHT, + 0, 63, 0, out_tlv), +}; + +static const struct snd_kcontrol_new linput_mode_mux = + SOC_DAPM_ENUM("Left Input Mode Mux", linput_mode_enum); + +static const struct snd_kcontrol_new rinput_mode_mux = + SOC_DAPM_ENUM("Right Input Mode Mux", rinput_mode_enum); + +static const struct snd_kcontrol_new linput_mux = + SOC_DAPM_ENUM("Left Input Mux", linput_enum); + +static const struct snd_kcontrol_new linput_inv_mux = + SOC_DAPM_ENUM("Left Inverting Input Mux", linput_inv_enum); + +static const struct snd_kcontrol_new rinput_mux = + SOC_DAPM_ENUM("Right Input Mux", rinput_enum); + +static const struct snd_kcontrol_new rinput_inv_mux = + SOC_DAPM_ENUM("Right Inverting Input Mux", rinput_inv_enum); + +static const struct snd_kcontrol_new lsidetone_mux = + SOC_DAPM_ENUM("DACL Sidetone Mux", lsidetone_enum); + +static const struct snd_kcontrol_new rsidetone_mux = + SOC_DAPM_ENUM("DACR Sidetone Mux", rsidetone_enum); + +static const struct snd_kcontrol_new adcinput_mux = + SOC_DAPM_ENUM("ADC Input", adcinput_enum); + +static const struct snd_kcontrol_new lcapture_mux = + SOC_DAPM_ENUM("Left Capture Mux", lcapture_enum); + +static const struct snd_kcontrol_new rcapture_mux = + SOC_DAPM_ENUM("Right Capture Mux", rcapture_enum); + +static const struct snd_kcontrol_new lplay_mux = + SOC_DAPM_ENUM("Left Playback Mux", lplay_enum); + +static const struct snd_kcontrol_new rplay_mux = + SOC_DAPM_ENUM("Right Playback Mux", rplay_enum); + +static const struct snd_kcontrol_new left_output_mixer[] = { +SOC_DAPM_SINGLE("DACL Switch", WM8903_ANALOGUE_LEFT_MIX_0, 3, 1, 0), +SOC_DAPM_SINGLE("DACR Switch", WM8903_ANALOGUE_LEFT_MIX_0, 2, 1, 0), +SOC_DAPM_SINGLE_W("Left Bypass Switch", WM8903_ANALOGUE_LEFT_MIX_0, 1, 1, 0), +SOC_DAPM_SINGLE_W("Right Bypass Switch", WM8903_ANALOGUE_LEFT_MIX_0, 0, 1, 0), +}; + +static const struct snd_kcontrol_new right_output_mixer[] = { +SOC_DAPM_SINGLE("DACL Switch", WM8903_ANALOGUE_RIGHT_MIX_0, 3, 1, 0), +SOC_DAPM_SINGLE("DACR Switch", WM8903_ANALOGUE_RIGHT_MIX_0, 2, 1, 0), +SOC_DAPM_SINGLE_W("Left Bypass Switch", WM8903_ANALOGUE_RIGHT_MIX_0, 1, 1, 0), +SOC_DAPM_SINGLE_W("Right Bypass Switch", WM8903_ANALOGUE_RIGHT_MIX_0, 0, 1, 0), +}; + +static const struct snd_kcontrol_new left_speaker_mixer[] = { +SOC_DAPM_SINGLE("DACL Switch", WM8903_ANALOGUE_SPK_MIX_LEFT_0, 3, 1, 0), +SOC_DAPM_SINGLE("DACR Switch", WM8903_ANALOGUE_SPK_MIX_LEFT_0, 2, 1, 0), +SOC_DAPM_SINGLE("Left Bypass Switch", WM8903_ANALOGUE_SPK_MIX_LEFT_0, 1, 1, 0), +SOC_DAPM_SINGLE("Right Bypass Switch", WM8903_ANALOGUE_SPK_MIX_LEFT_0, + 0, 1, 0), +}; + +static const struct snd_kcontrol_new right_speaker_mixer[] = { +SOC_DAPM_SINGLE("DACL Switch", WM8903_ANALOGUE_SPK_MIX_RIGHT_0, 3, 1, 0), +SOC_DAPM_SINGLE("DACR Switch", WM8903_ANALOGUE_SPK_MIX_RIGHT_0, 2, 1, 0), +SOC_DAPM_SINGLE("Left Bypass Switch", WM8903_ANALOGUE_SPK_MIX_RIGHT_0, + 1, 1, 0), +SOC_DAPM_SINGLE("Right Bypass Switch", WM8903_ANALOGUE_SPK_MIX_RIGHT_0, + 0, 1, 0), +}; + +static const struct snd_soc_dapm_widget wm8903_dapm_widgets[] = { +SND_SOC_DAPM_INPUT("IN1L"), +SND_SOC_DAPM_INPUT("IN1R"), +SND_SOC_DAPM_INPUT("IN2L"), +SND_SOC_DAPM_INPUT("IN2R"), +SND_SOC_DAPM_INPUT("IN3L"), +SND_SOC_DAPM_INPUT("IN3R"), +SND_SOC_DAPM_INPUT("DMICDAT"), + +SND_SOC_DAPM_OUTPUT("HPOUTL"), +SND_SOC_DAPM_OUTPUT("HPOUTR"), +SND_SOC_DAPM_OUTPUT("LINEOUTL"), +SND_SOC_DAPM_OUTPUT("LINEOUTR"), +SND_SOC_DAPM_OUTPUT("LOP"), +SND_SOC_DAPM_OUTPUT("LON"), +SND_SOC_DAPM_OUTPUT("ROP"), +SND_SOC_DAPM_OUTPUT("RON"), + +SND_SOC_DAPM_SUPPLY("MICBIAS", WM8903_MIC_BIAS_CONTROL_0, 0, 0, NULL, 0), + +SND_SOC_DAPM_MUX("Left Input Mux", SND_SOC_NOPM, 0, 0, &linput_mux), +SND_SOC_DAPM_MUX("Left Input Inverting Mux", SND_SOC_NOPM, 0, 0, + &linput_inv_mux), +SND_SOC_DAPM_MUX("Left Input Mode Mux", SND_SOC_NOPM, 0, 0, &linput_mode_mux), + +SND_SOC_DAPM_MUX("Right Input Mux", SND_SOC_NOPM, 0, 0, &rinput_mux), +SND_SOC_DAPM_MUX("Right Input Inverting Mux", SND_SOC_NOPM, 0, 0, + &rinput_inv_mux), +SND_SOC_DAPM_MUX("Right Input Mode Mux", SND_SOC_NOPM, 0, 0, &rinput_mode_mux), + +SND_SOC_DAPM_PGA("Left Input PGA", WM8903_POWER_MANAGEMENT_0, 1, 0, NULL, 0), +SND_SOC_DAPM_PGA("Right Input PGA", WM8903_POWER_MANAGEMENT_0, 0, 0, NULL, 0), + +SND_SOC_DAPM_MUX("Left ADC Input", SND_SOC_NOPM, 0, 0, &adcinput_mux), +SND_SOC_DAPM_MUX("Right ADC Input", SND_SOC_NOPM, 0, 0, &adcinput_mux), + +SND_SOC_DAPM_ADC("ADCL", NULL, WM8903_POWER_MANAGEMENT_6, 1, 0), +SND_SOC_DAPM_ADC("ADCR", NULL, WM8903_POWER_MANAGEMENT_6, 0, 0), + +SND_SOC_DAPM_MUX("Left Capture Mux", SND_SOC_NOPM, 0, 0, &lcapture_mux), +SND_SOC_DAPM_MUX("Right Capture Mux", SND_SOC_NOPM, 0, 0, &rcapture_mux), + +SND_SOC_DAPM_AIF_OUT("AIFTXL", "Left HiFi Capture", 0, SND_SOC_NOPM, 0, 0), +SND_SOC_DAPM_AIF_OUT("AIFTXR", "Right HiFi Capture", 0, SND_SOC_NOPM, 0, 0), + +SND_SOC_DAPM_MUX("DACL Sidetone", SND_SOC_NOPM, 0, 0, &lsidetone_mux), +SND_SOC_DAPM_MUX("DACR Sidetone", SND_SOC_NOPM, 0, 0, &rsidetone_mux), + +SND_SOC_DAPM_AIF_IN("AIFRXL", "Left Playback", 0, SND_SOC_NOPM, 0, 0), +SND_SOC_DAPM_AIF_IN("AIFRXR", "Right Playback", 0, SND_SOC_NOPM, 0, 0), + +SND_SOC_DAPM_MUX("Left Playback Mux", SND_SOC_NOPM, 0, 0, &lplay_mux), +SND_SOC_DAPM_MUX("Right Playback Mux", SND_SOC_NOPM, 0, 0, &rplay_mux), + +SND_SOC_DAPM_DAC("DACL", NULL, WM8903_POWER_MANAGEMENT_6, 3, 0), +SND_SOC_DAPM_DAC("DACR", NULL, WM8903_POWER_MANAGEMENT_6, 2, 0), + +SND_SOC_DAPM_MIXER("Left Output Mixer", WM8903_POWER_MANAGEMENT_1, 1, 0, + left_output_mixer, ARRAY_SIZE(left_output_mixer)), +SND_SOC_DAPM_MIXER("Right Output Mixer", WM8903_POWER_MANAGEMENT_1, 0, 0, + right_output_mixer, ARRAY_SIZE(right_output_mixer)), + +SND_SOC_DAPM_MIXER("Left Speaker Mixer", WM8903_POWER_MANAGEMENT_4, 1, 0, + left_speaker_mixer, ARRAY_SIZE(left_speaker_mixer)), +SND_SOC_DAPM_MIXER("Right Speaker Mixer", WM8903_POWER_MANAGEMENT_4, 0, 0, + right_speaker_mixer, ARRAY_SIZE(right_speaker_mixer)), + +SND_SOC_DAPM_PGA_S("Left Headphone Output PGA", 0, WM8903_POWER_MANAGEMENT_2, + 1, 0, NULL, 0), +SND_SOC_DAPM_PGA_S("Right Headphone Output PGA", 0, WM8903_POWER_MANAGEMENT_2, + 0, 0, NULL, 0), + +SND_SOC_DAPM_PGA_S("Left Line Output PGA", 0, WM8903_POWER_MANAGEMENT_3, 1, 0, + NULL, 0), +SND_SOC_DAPM_PGA_S("Right Line Output PGA", 0, WM8903_POWER_MANAGEMENT_3, 0, 0, + NULL, 0), + +SND_SOC_DAPM_PGA_S("HPL_RMV_SHORT", 4, WM8903_ANALOGUE_HP_0, 7, 0, NULL, 0), +SND_SOC_DAPM_PGA_S("HPL_ENA_OUTP", 3, WM8903_ANALOGUE_HP_0, 6, 0, NULL, 0), +SND_SOC_DAPM_PGA_S("HPL_ENA_DLY", 2, WM8903_ANALOGUE_HP_0, 5, 0, NULL, 0), +SND_SOC_DAPM_PGA_S("HPL_ENA", 1, WM8903_ANALOGUE_HP_0, 4, 0, NULL, 0), +SND_SOC_DAPM_PGA_S("HPR_RMV_SHORT", 4, WM8903_ANALOGUE_HP_0, 3, 0, NULL, 0), +SND_SOC_DAPM_PGA_S("HPR_ENA_OUTP", 3, WM8903_ANALOGUE_HP_0, 2, 0, NULL, 0), +SND_SOC_DAPM_PGA_S("HPR_ENA_DLY", 2, WM8903_ANALOGUE_HP_0, 1, 0, NULL, 0), +SND_SOC_DAPM_PGA_S("HPR_ENA", 1, WM8903_ANALOGUE_HP_0, 0, 0, NULL, 0), + +SND_SOC_DAPM_PGA_S("LINEOUTL_RMV_SHORT", 4, WM8903_ANALOGUE_LINEOUT_0, 7, 0, + NULL, 0), +SND_SOC_DAPM_PGA_S("LINEOUTL_ENA_OUTP", 3, WM8903_ANALOGUE_LINEOUT_0, 6, 0, + NULL, 0), +SND_SOC_DAPM_PGA_S("LINEOUTL_ENA_DLY", 2, WM8903_ANALOGUE_LINEOUT_0, 5, 0, + NULL, 0), +SND_SOC_DAPM_PGA_S("LINEOUTL_ENA", 1, WM8903_ANALOGUE_LINEOUT_0, 4, 0, + NULL, 0), +SND_SOC_DAPM_PGA_S("LINEOUTR_RMV_SHORT", 4, WM8903_ANALOGUE_LINEOUT_0, 3, 0, + NULL, 0), +SND_SOC_DAPM_PGA_S("LINEOUTR_ENA_OUTP", 3, WM8903_ANALOGUE_LINEOUT_0, 2, 0, + NULL, 0), +SND_SOC_DAPM_PGA_S("LINEOUTR_ENA_DLY", 2, WM8903_ANALOGUE_LINEOUT_0, 1, 0, + NULL, 0), +SND_SOC_DAPM_PGA_S("LINEOUTR_ENA", 1, WM8903_ANALOGUE_LINEOUT_0, 0, 0, + NULL, 0), + +SND_SOC_DAPM_SUPPLY("DCS Master", WM8903_DC_SERVO_0, 4, 0, NULL, 0), +SND_SOC_DAPM_PGA_S("HPL_DCS", 3, SND_SOC_NOPM, 3, 0, wm8903_dcs_event, + SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD), +SND_SOC_DAPM_PGA_S("HPR_DCS", 3, SND_SOC_NOPM, 2, 0, wm8903_dcs_event, + SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD), +SND_SOC_DAPM_PGA_S("LINEOUTL_DCS", 3, SND_SOC_NOPM, 1, 0, wm8903_dcs_event, + SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD), +SND_SOC_DAPM_PGA_S("LINEOUTR_DCS", 3, SND_SOC_NOPM, 0, 0, wm8903_dcs_event, + SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD), + +SND_SOC_DAPM_PGA("Left Speaker PGA", WM8903_POWER_MANAGEMENT_5, 1, 0, + NULL, 0), +SND_SOC_DAPM_PGA("Right Speaker PGA", WM8903_POWER_MANAGEMENT_5, 0, 0, + NULL, 0), + +SND_SOC_DAPM_SUPPLY("Charge Pump", WM8903_CHARGE_PUMP_0, 0, 0, + wm8903_cp_event, SND_SOC_DAPM_POST_PMU), +SND_SOC_DAPM_SUPPLY("CLK_DSP", WM8903_CLOCK_RATES_2, 1, 0, NULL, 0), +SND_SOC_DAPM_SUPPLY("CLK_SYS", WM8903_CLOCK_RATES_2, 2, 0, NULL, 0), +}; + +static const struct snd_soc_dapm_route wm8903_intercon[] = { + + { "CLK_DSP", NULL, "CLK_SYS" }, + { "MICBIAS", NULL, "CLK_SYS" }, + { "HPL_DCS", NULL, "CLK_SYS" }, + { "HPR_DCS", NULL, "CLK_SYS" }, + { "LINEOUTL_DCS", NULL, "CLK_SYS" }, + { "LINEOUTR_DCS", NULL, "CLK_SYS" }, + + { "Left Input Mux", "IN1L", "IN1L" }, + { "Left Input Mux", "IN2L", "IN2L" }, + { "Left Input Mux", "IN3L", "IN3L" }, + + { "Left Input Inverting Mux", "IN1L", "IN1L" }, + { "Left Input Inverting Mux", "IN2L", "IN2L" }, + { "Left Input Inverting Mux", "IN3L", "IN3L" }, + + { "Right Input Mux", "IN1R", "IN1R" }, + { "Right Input Mux", "IN2R", "IN2R" }, + { "Right Input Mux", "IN3R", "IN3R" }, + + { "Right Input Inverting Mux", "IN1R", "IN1R" }, + { "Right Input Inverting Mux", "IN2R", "IN2R" }, + { "Right Input Inverting Mux", "IN3R", "IN3R" }, + + { "Left Input Mode Mux", "Single-Ended", "Left Input Inverting Mux" }, + { "Left Input Mode Mux", "Differential Line", + "Left Input Mux" }, + { "Left Input Mode Mux", "Differential Line", + "Left Input Inverting Mux" }, + { "Left Input Mode Mux", "Differential Mic", + "Left Input Mux" }, + { "Left Input Mode Mux", "Differential Mic", + "Left Input Inverting Mux" }, + + { "Right Input Mode Mux", "Single-Ended", + "Right Input Inverting Mux" }, + { "Right Input Mode Mux", "Differential Line", + "Right Input Mux" }, + { "Right Input Mode Mux", "Differential Line", + "Right Input Inverting Mux" }, + { "Right Input Mode Mux", "Differential Mic", + "Right Input Mux" }, + { "Right Input Mode Mux", "Differential Mic", + "Right Input Inverting Mux" }, + + { "Left Input PGA", NULL, "Left Input Mode Mux" }, + { "Right Input PGA", NULL, "Right Input Mode Mux" }, + + { "Left ADC Input", "ADC", "Left Input PGA" }, + { "Left ADC Input", "DMIC", "DMICDAT" }, + { "Right ADC Input", "ADC", "Right Input PGA" }, + { "Right ADC Input", "DMIC", "DMICDAT" }, + + { "Left Capture Mux", "Left", "ADCL" }, + { "Left Capture Mux", "Right", "ADCR" }, + + { "Right Capture Mux", "Left", "ADCL" }, + { "Right Capture Mux", "Right", "ADCR" }, + + { "AIFTXL", NULL, "Left Capture Mux" }, + { "AIFTXR", NULL, "Right Capture Mux" }, + + { "ADCL", NULL, "Left ADC Input" }, + { "ADCL", NULL, "CLK_DSP" }, + { "ADCR", NULL, "Right ADC Input" }, + { "ADCR", NULL, "CLK_DSP" }, + + { "Left Playback Mux", "Left", "AIFRXL" }, + { "Left Playback Mux", "Right", "AIFRXR" }, + + { "Right Playback Mux", "Left", "AIFRXL" }, + { "Right Playback Mux", "Right", "AIFRXR" }, + + { "DACL Sidetone", "Left", "ADCL" }, + { "DACL Sidetone", "Right", "ADCR" }, + { "DACR Sidetone", "Left", "ADCL" }, + { "DACR Sidetone", "Right", "ADCR" }, + + { "DACL", NULL, "Left Playback Mux" }, + { "DACL", NULL, "DACL Sidetone" }, + { "DACL", NULL, "CLK_DSP" }, + + { "DACR", NULL, "Right Playback Mux" }, + { "DACR", NULL, "DACR Sidetone" }, + { "DACR", NULL, "CLK_DSP" }, + + { "Left Output Mixer", "Left Bypass Switch", "Left Input PGA" }, + { "Left Output Mixer", "Right Bypass Switch", "Right Input PGA" }, + { "Left Output Mixer", "DACL Switch", "DACL" }, + { "Left Output Mixer", "DACR Switch", "DACR" }, + + { "Right Output Mixer", "Left Bypass Switch", "Left Input PGA" }, + { "Right Output Mixer", "Right Bypass Switch", "Right Input PGA" }, + { "Right Output Mixer", "DACL Switch", "DACL" }, + { "Right Output Mixer", "DACR Switch", "DACR" }, + + { "Left Speaker Mixer", "Left Bypass Switch", "Left Input PGA" }, + { "Left Speaker Mixer", "Right Bypass Switch", "Right Input PGA" }, + { "Left Speaker Mixer", "DACL Switch", "DACL" }, + { "Left Speaker Mixer", "DACR Switch", "DACR" }, + + { "Right Speaker Mixer", "Left Bypass Switch", "Left Input PGA" }, + { "Right Speaker Mixer", "Right Bypass Switch", "Right Input PGA" }, + { "Right Speaker Mixer", "DACL Switch", "DACL" }, + { "Right Speaker Mixer", "DACR Switch", "DACR" }, + + { "Left Line Output PGA", NULL, "Left Output Mixer" }, + { "Right Line Output PGA", NULL, "Right Output Mixer" }, + + { "Left Headphone Output PGA", NULL, "Left Output Mixer" }, + { "Right Headphone Output PGA", NULL, "Right Output Mixer" }, + + { "Left Speaker PGA", NULL, "Left Speaker Mixer" }, + { "Right Speaker PGA", NULL, "Right Speaker Mixer" }, + + { "HPL_ENA", NULL, "Left Headphone Output PGA" }, + { "HPR_ENA", NULL, "Right Headphone Output PGA" }, + { "HPL_ENA_DLY", NULL, "HPL_ENA" }, + { "HPR_ENA_DLY", NULL, "HPR_ENA" }, + { "LINEOUTL_ENA", NULL, "Left Line Output PGA" }, + { "LINEOUTR_ENA", NULL, "Right Line Output PGA" }, + { "LINEOUTL_ENA_DLY", NULL, "LINEOUTL_ENA" }, + { "LINEOUTR_ENA_DLY", NULL, "LINEOUTR_ENA" }, + + { "HPL_DCS", NULL, "DCS Master" }, + { "HPR_DCS", NULL, "DCS Master" }, + { "LINEOUTL_DCS", NULL, "DCS Master" }, + { "LINEOUTR_DCS", NULL, "DCS Master" }, + + { "HPL_DCS", NULL, "HPL_ENA_DLY" }, + { "HPR_DCS", NULL, "HPR_ENA_DLY" }, + { "LINEOUTL_DCS", NULL, "LINEOUTL_ENA_DLY" }, + { "LINEOUTR_DCS", NULL, "LINEOUTR_ENA_DLY" }, + + { "HPL_ENA_OUTP", NULL, "HPL_DCS" }, + { "HPR_ENA_OUTP", NULL, "HPR_DCS" }, + { "LINEOUTL_ENA_OUTP", NULL, "LINEOUTL_DCS" }, + { "LINEOUTR_ENA_OUTP", NULL, "LINEOUTR_DCS" }, + + { "HPL_RMV_SHORT", NULL, "HPL_ENA_OUTP" }, + { "HPR_RMV_SHORT", NULL, "HPR_ENA_OUTP" }, + { "LINEOUTL_RMV_SHORT", NULL, "LINEOUTL_ENA_OUTP" }, + { "LINEOUTR_RMV_SHORT", NULL, "LINEOUTR_ENA_OUTP" }, + + { "HPOUTL", NULL, "HPL_RMV_SHORT" }, + { "HPOUTR", NULL, "HPR_RMV_SHORT" }, + { "LINEOUTL", NULL, "LINEOUTL_RMV_SHORT" }, + { "LINEOUTR", NULL, "LINEOUTR_RMV_SHORT" }, + + { "LOP", NULL, "Left Speaker PGA" }, + { "LON", NULL, "Left Speaker PGA" }, + + { "ROP", NULL, "Right Speaker PGA" }, + { "RON", NULL, "Right Speaker PGA" }, + + { "Charge Pump", NULL, "CLK_DSP" }, + + { "Left Headphone Output PGA", NULL, "Charge Pump" }, + { "Right Headphone Output PGA", NULL, "Charge Pump" }, + { "Left Line Output PGA", NULL, "Charge Pump" }, + { "Right Line Output PGA", NULL, "Charge Pump" }, +}; + +static int wm8903_set_bias_level(struct snd_soc_component *component, + enum snd_soc_bias_level level) +{ + switch (level) { + case SND_SOC_BIAS_ON: + break; + + case SND_SOC_BIAS_PREPARE: + snd_soc_component_update_bits(component, WM8903_VMID_CONTROL_0, + WM8903_VMID_RES_MASK, + WM8903_VMID_RES_50K); + break; + + case SND_SOC_BIAS_STANDBY: + if (snd_soc_component_get_bias_level(component) == SND_SOC_BIAS_OFF) { + snd_soc_component_update_bits(component, WM8903_BIAS_CONTROL_0, + WM8903_POBCTRL | WM8903_ISEL_MASK | + WM8903_STARTUP_BIAS_ENA | + WM8903_BIAS_ENA, + WM8903_POBCTRL | + (2 << WM8903_ISEL_SHIFT) | + WM8903_STARTUP_BIAS_ENA); + + snd_soc_component_update_bits(component, + WM8903_ANALOGUE_SPK_OUTPUT_CONTROL_0, + WM8903_SPK_DISCHARGE, + WM8903_SPK_DISCHARGE); + + msleep(33); + + snd_soc_component_update_bits(component, WM8903_POWER_MANAGEMENT_5, + WM8903_SPKL_ENA | WM8903_SPKR_ENA, + WM8903_SPKL_ENA | WM8903_SPKR_ENA); + + snd_soc_component_update_bits(component, + WM8903_ANALOGUE_SPK_OUTPUT_CONTROL_0, + WM8903_SPK_DISCHARGE, 0); + + snd_soc_component_update_bits(component, WM8903_VMID_CONTROL_0, + WM8903_VMID_TIE_ENA | + WM8903_BUFIO_ENA | + WM8903_VMID_IO_ENA | + WM8903_VMID_SOFT_MASK | + WM8903_VMID_RES_MASK | + WM8903_VMID_BUF_ENA, + WM8903_VMID_TIE_ENA | + WM8903_BUFIO_ENA | + WM8903_VMID_IO_ENA | + (2 << WM8903_VMID_SOFT_SHIFT) | + WM8903_VMID_RES_250K | + WM8903_VMID_BUF_ENA); + + msleep(129); + + snd_soc_component_update_bits(component, WM8903_POWER_MANAGEMENT_5, + WM8903_SPKL_ENA | WM8903_SPKR_ENA, + 0); + + snd_soc_component_update_bits(component, WM8903_VMID_CONTROL_0, + WM8903_VMID_SOFT_MASK, 0); + + snd_soc_component_update_bits(component, WM8903_VMID_CONTROL_0, + WM8903_VMID_RES_MASK, + WM8903_VMID_RES_50K); + + snd_soc_component_update_bits(component, WM8903_BIAS_CONTROL_0, + WM8903_BIAS_ENA | WM8903_POBCTRL, + WM8903_BIAS_ENA); + + /* By default no bypass paths are enabled so + * enable Class W support. + */ + dev_dbg(component->dev, "Enabling Class W\n"); + snd_soc_component_update_bits(component, WM8903_CLASS_W_0, + WM8903_CP_DYN_FREQ | + WM8903_CP_DYN_V, + WM8903_CP_DYN_FREQ | + WM8903_CP_DYN_V); + } + + snd_soc_component_update_bits(component, WM8903_VMID_CONTROL_0, + WM8903_VMID_RES_MASK, + WM8903_VMID_RES_250K); + break; + + case SND_SOC_BIAS_OFF: + snd_soc_component_update_bits(component, WM8903_BIAS_CONTROL_0, + WM8903_BIAS_ENA, 0); + + snd_soc_component_update_bits(component, WM8903_VMID_CONTROL_0, + WM8903_VMID_SOFT_MASK, + 2 << WM8903_VMID_SOFT_SHIFT); + + snd_soc_component_update_bits(component, WM8903_VMID_CONTROL_0, + WM8903_VMID_BUF_ENA, 0); + + msleep(290); + + snd_soc_component_update_bits(component, WM8903_VMID_CONTROL_0, + WM8903_VMID_TIE_ENA | WM8903_BUFIO_ENA | + WM8903_VMID_IO_ENA | WM8903_VMID_RES_MASK | + WM8903_VMID_SOFT_MASK | + WM8903_VMID_BUF_ENA, 0); + + snd_soc_component_update_bits(component, WM8903_BIAS_CONTROL_0, + WM8903_STARTUP_BIAS_ENA, 0); + break; + } + + return 0; +} + +static int wm8903_set_dai_sysclk(struct snd_soc_dai *codec_dai, + int clk_id, unsigned int freq, int dir) +{ + struct snd_soc_component *component = codec_dai->component; + struct wm8903_priv *wm8903 = snd_soc_component_get_drvdata(component); + + wm8903->sysclk = freq; + + return 0; +} + +static int wm8903_set_dai_fmt(struct snd_soc_dai *codec_dai, + unsigned int fmt) +{ + struct snd_soc_component *component = codec_dai->component; + u16 aif1 = snd_soc_component_read(component, WM8903_AUDIO_INTERFACE_1); + + aif1 &= ~(WM8903_LRCLK_DIR | WM8903_BCLK_DIR | WM8903_AIF_FMT_MASK | + WM8903_AIF_LRCLK_INV | WM8903_AIF_BCLK_INV); + + switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) { + case SND_SOC_DAIFMT_CBS_CFS: + break; + case SND_SOC_DAIFMT_CBS_CFM: + aif1 |= WM8903_LRCLK_DIR; + break; + case SND_SOC_DAIFMT_CBM_CFM: + aif1 |= WM8903_LRCLK_DIR | WM8903_BCLK_DIR; + break; + case SND_SOC_DAIFMT_CBM_CFS: + aif1 |= WM8903_BCLK_DIR; + break; + default: + return -EINVAL; + } + + switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) { + case SND_SOC_DAIFMT_DSP_A: + aif1 |= 0x3; + break; + case SND_SOC_DAIFMT_DSP_B: + aif1 |= 0x3 | WM8903_AIF_LRCLK_INV; + break; + case SND_SOC_DAIFMT_I2S: + aif1 |= 0x2; + break; + case SND_SOC_DAIFMT_RIGHT_J: + aif1 |= 0x1; + break; + case SND_SOC_DAIFMT_LEFT_J: + break; + default: + return -EINVAL; + } + + /* Clock inversion */ + switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) { + case SND_SOC_DAIFMT_DSP_A: + case SND_SOC_DAIFMT_DSP_B: + /* frame inversion not valid for DSP modes */ + switch (fmt & SND_SOC_DAIFMT_INV_MASK) { + case SND_SOC_DAIFMT_NB_NF: + break; + case SND_SOC_DAIFMT_IB_NF: + aif1 |= WM8903_AIF_BCLK_INV; + break; + default: + return -EINVAL; + } + break; + case SND_SOC_DAIFMT_I2S: + case SND_SOC_DAIFMT_RIGHT_J: + case SND_SOC_DAIFMT_LEFT_J: + switch (fmt & SND_SOC_DAIFMT_INV_MASK) { + case SND_SOC_DAIFMT_NB_NF: + break; + case SND_SOC_DAIFMT_IB_IF: + aif1 |= WM8903_AIF_BCLK_INV | WM8903_AIF_LRCLK_INV; + break; + case SND_SOC_DAIFMT_IB_NF: + aif1 |= WM8903_AIF_BCLK_INV; + break; + case SND_SOC_DAIFMT_NB_IF: + aif1 |= WM8903_AIF_LRCLK_INV; + break; + default: + return -EINVAL; + } + break; + default: + return -EINVAL; + } + + snd_soc_component_write(component, WM8903_AUDIO_INTERFACE_1, aif1); + + return 0; +} + +static int wm8903_mute(struct snd_soc_dai *codec_dai, int mute, int direction) +{ + struct snd_soc_component *component = codec_dai->component; + u16 reg; + + reg = snd_soc_component_read(component, WM8903_DAC_DIGITAL_1); + + if (mute) + reg |= WM8903_DAC_MUTE; + else + reg &= ~WM8903_DAC_MUTE; + + snd_soc_component_write(component, WM8903_DAC_DIGITAL_1, reg); + + return 0; +} + +/* Lookup table for CLK_SYS/fs ratio. 256fs or more is recommended + * for optimal performance so we list the lower rates first and match + * on the last match we find. */ +static struct { + int div; + int rate; + int mode; + int mclk_div; +} clk_sys_ratios[] = { + { 64, 0x0, 0x0, 1 }, + { 68, 0x0, 0x1, 1 }, + { 125, 0x0, 0x2, 1 }, + { 128, 0x1, 0x0, 1 }, + { 136, 0x1, 0x1, 1 }, + { 192, 0x2, 0x0, 1 }, + { 204, 0x2, 0x1, 1 }, + + { 64, 0x0, 0x0, 2 }, + { 68, 0x0, 0x1, 2 }, + { 125, 0x0, 0x2, 2 }, + { 128, 0x1, 0x0, 2 }, + { 136, 0x1, 0x1, 2 }, + { 192, 0x2, 0x0, 2 }, + { 204, 0x2, 0x1, 2 }, + + { 250, 0x2, 0x2, 1 }, + { 256, 0x3, 0x0, 1 }, + { 272, 0x3, 0x1, 1 }, + { 384, 0x4, 0x0, 1 }, + { 408, 0x4, 0x1, 1 }, + { 375, 0x4, 0x2, 1 }, + { 512, 0x5, 0x0, 1 }, + { 544, 0x5, 0x1, 1 }, + { 500, 0x5, 0x2, 1 }, + { 768, 0x6, 0x0, 1 }, + { 816, 0x6, 0x1, 1 }, + { 750, 0x6, 0x2, 1 }, + { 1024, 0x7, 0x0, 1 }, + { 1088, 0x7, 0x1, 1 }, + { 1000, 0x7, 0x2, 1 }, + { 1408, 0x8, 0x0, 1 }, + { 1496, 0x8, 0x1, 1 }, + { 1536, 0x9, 0x0, 1 }, + { 1632, 0x9, 0x1, 1 }, + { 1500, 0x9, 0x2, 1 }, + + { 250, 0x2, 0x2, 2 }, + { 256, 0x3, 0x0, 2 }, + { 272, 0x3, 0x1, 2 }, + { 384, 0x4, 0x0, 2 }, + { 408, 0x4, 0x1, 2 }, + { 375, 0x4, 0x2, 2 }, + { 512, 0x5, 0x0, 2 }, + { 544, 0x5, 0x1, 2 }, + { 500, 0x5, 0x2, 2 }, + { 768, 0x6, 0x0, 2 }, + { 816, 0x6, 0x1, 2 }, + { 750, 0x6, 0x2, 2 }, + { 1024, 0x7, 0x0, 2 }, + { 1088, 0x7, 0x1, 2 }, + { 1000, 0x7, 0x2, 2 }, + { 1408, 0x8, 0x0, 2 }, + { 1496, 0x8, 0x1, 2 }, + { 1536, 0x9, 0x0, 2 }, + { 1632, 0x9, 0x1, 2 }, + { 1500, 0x9, 0x2, 2 }, +}; + +/* CLK_SYS/BCLK ratios - multiplied by 10 due to .5s */ +static struct { + int ratio; + int div; +} bclk_divs[] = { + { 10, 0 }, + { 20, 2 }, + { 30, 3 }, + { 40, 4 }, + { 50, 5 }, + { 60, 7 }, + { 80, 8 }, + { 100, 9 }, + { 120, 11 }, + { 160, 12 }, + { 200, 13 }, + { 220, 14 }, + { 240, 15 }, + { 300, 17 }, + { 320, 18 }, + { 440, 19 }, + { 480, 20 }, +}; + +/* Sample rates for DSP */ +static struct { + int rate; + int value; +} sample_rates[] = { + { 8000, 0 }, + { 11025, 1 }, + { 12000, 2 }, + { 16000, 3 }, + { 22050, 4 }, + { 24000, 5 }, + { 32000, 6 }, + { 44100, 7 }, + { 48000, 8 }, + { 88200, 9 }, + { 96000, 10 }, + { 0, 0 }, +}; + +static int wm8903_hw_params(struct snd_pcm_substream *substream, + struct snd_pcm_hw_params *params, + struct snd_soc_dai *dai) +{ + struct snd_soc_component *component = dai->component; + struct wm8903_priv *wm8903 = snd_soc_component_get_drvdata(component); + int fs = params_rate(params); + int bclk; + int bclk_div; + int i; + int dsp_config; + int clk_config; + int best_val; + int cur_val; + int clk_sys; + + u16 aif1 = snd_soc_component_read(component, WM8903_AUDIO_INTERFACE_1); + u16 aif2 = snd_soc_component_read(component, WM8903_AUDIO_INTERFACE_2); + u16 aif3 = snd_soc_component_read(component, WM8903_AUDIO_INTERFACE_3); + u16 clock0 = snd_soc_component_read(component, WM8903_CLOCK_RATES_0); + u16 clock1 = snd_soc_component_read(component, WM8903_CLOCK_RATES_1); + u16 dac_digital1 = snd_soc_component_read(component, WM8903_DAC_DIGITAL_1); + + /* Enable sloping stopband filter for low sample rates */ + if (fs <= 24000) + dac_digital1 |= WM8903_DAC_SB_FILT; + else + dac_digital1 &= ~WM8903_DAC_SB_FILT; + + /* Configure sample rate logic for DSP - choose nearest rate */ + dsp_config = 0; + best_val = abs(sample_rates[dsp_config].rate - fs); + for (i = 1; i < ARRAY_SIZE(sample_rates); i++) { + cur_val = abs(sample_rates[i].rate - fs); + if (cur_val <= best_val) { + dsp_config = i; + best_val = cur_val; + } + } + + dev_dbg(component->dev, "DSP fs = %dHz\n", sample_rates[dsp_config].rate); + clock1 &= ~WM8903_SAMPLE_RATE_MASK; + clock1 |= sample_rates[dsp_config].value; + + aif1 &= ~WM8903_AIF_WL_MASK; + bclk = 2 * fs; + switch (params_width(params)) { + case 16: + bclk *= 16; + break; + case 20: + bclk *= 20; + aif1 |= 0x4; + break; + case 24: + bclk *= 24; + aif1 |= 0x8; + break; + case 32: + bclk *= 32; + aif1 |= 0xc; + break; + default: + return -EINVAL; + } + + dev_dbg(component->dev, "MCLK = %dHz, target sample rate = %dHz\n", + wm8903->sysclk, fs); + + /* We may not have an MCLK which allows us to generate exactly + * the clock we want, particularly with USB derived inputs, so + * approximate. + */ + clk_config = 0; + best_val = abs((wm8903->sysclk / + (clk_sys_ratios[0].mclk_div * + clk_sys_ratios[0].div)) - fs); + for (i = 1; i < ARRAY_SIZE(clk_sys_ratios); i++) { + cur_val = abs((wm8903->sysclk / + (clk_sys_ratios[i].mclk_div * + clk_sys_ratios[i].div)) - fs); + + if (cur_val <= best_val) { + clk_config = i; + best_val = cur_val; + } + } + + if (clk_sys_ratios[clk_config].mclk_div == 2) { + clock0 |= WM8903_MCLKDIV2; + clk_sys = wm8903->sysclk / 2; + } else { + clock0 &= ~WM8903_MCLKDIV2; + clk_sys = wm8903->sysclk; + } + + clock1 &= ~(WM8903_CLK_SYS_RATE_MASK | + WM8903_CLK_SYS_MODE_MASK); + clock1 |= clk_sys_ratios[clk_config].rate << WM8903_CLK_SYS_RATE_SHIFT; + clock1 |= clk_sys_ratios[clk_config].mode << WM8903_CLK_SYS_MODE_SHIFT; + + dev_dbg(component->dev, "CLK_SYS_RATE=%x, CLK_SYS_MODE=%x div=%d\n", + clk_sys_ratios[clk_config].rate, + clk_sys_ratios[clk_config].mode, + clk_sys_ratios[clk_config].div); + + dev_dbg(component->dev, "Actual CLK_SYS = %dHz\n", clk_sys); + + /* We may not get quite the right frequency if using + * approximate clocks so look for the closest match that is + * higher than the target (we need to ensure that there enough + * BCLKs to clock out the samples). + */ + bclk_div = 0; + i = 1; + while (i < ARRAY_SIZE(bclk_divs)) { + cur_val = ((clk_sys * 10) / bclk_divs[i].ratio) - bclk; + if (cur_val < 0) /* BCLK table is sorted */ + break; + bclk_div = i; + i++; + } + + aif2 &= ~WM8903_BCLK_DIV_MASK; + aif3 &= ~WM8903_LRCLK_RATE_MASK; + + dev_dbg(component->dev, "BCLK ratio %d for %dHz - actual BCLK = %dHz\n", + bclk_divs[bclk_div].ratio / 10, bclk, + (clk_sys * 10) / bclk_divs[bclk_div].ratio); + + aif2 |= bclk_divs[bclk_div].div; + aif3 |= bclk / fs; + + wm8903->fs = params_rate(params); + wm8903_set_deemph(component); + + snd_soc_component_write(component, WM8903_CLOCK_RATES_0, clock0); + snd_soc_component_write(component, WM8903_CLOCK_RATES_1, clock1); + snd_soc_component_write(component, WM8903_AUDIO_INTERFACE_1, aif1); + snd_soc_component_write(component, WM8903_AUDIO_INTERFACE_2, aif2); + snd_soc_component_write(component, WM8903_AUDIO_INTERFACE_3, aif3); + snd_soc_component_write(component, WM8903_DAC_DIGITAL_1, dac_digital1); + + return 0; +} + +/** + * wm8903_mic_detect - Enable microphone detection via the WM8903 IRQ + * + * @component: WM8903 component + * @jack: jack to report detection events on + * @det: value to report for presence detection + * @shrt: value to report for short detection + * + * Enable microphone detection via IRQ on the WM8903. If GPIOs are + * being used to bring out signals to the processor then only platform + * data configuration is needed for WM8903 and processor GPIOs should + * be configured using snd_soc_jack_add_gpios() instead. + * + * The current threasholds for detection should be configured using + * micdet_cfg in the platform data. Using this function will force on + * the microphone bias for the device. + */ +int wm8903_mic_detect(struct snd_soc_component *component, struct snd_soc_jack *jack, + int det, int shrt) +{ + struct wm8903_priv *wm8903 = snd_soc_component_get_drvdata(component); + int irq_mask = WM8903_MICDET_EINT | WM8903_MICSHRT_EINT; + + dev_dbg(component->dev, "Enabling microphone detection: %x %x\n", + det, shrt); + + /* Store the configuration */ + wm8903->mic_jack = jack; + wm8903->mic_det = det; + wm8903->mic_short = shrt; + + /* Enable interrupts we've got a report configured for */ + if (det) + irq_mask &= ~WM8903_MICDET_EINT; + if (shrt) + irq_mask &= ~WM8903_MICSHRT_EINT; + + snd_soc_component_update_bits(component, WM8903_INTERRUPT_STATUS_1_MASK, + WM8903_MICDET_EINT | WM8903_MICSHRT_EINT, + irq_mask); + + if (det || shrt) { + /* Enable mic detection, this may not have been set through + * platform data (eg, if the defaults are OK). */ + snd_soc_component_update_bits(component, WM8903_WRITE_SEQUENCER_0, + WM8903_WSEQ_ENA, WM8903_WSEQ_ENA); + snd_soc_component_update_bits(component, WM8903_MIC_BIAS_CONTROL_0, + WM8903_MICDET_ENA, WM8903_MICDET_ENA); + } else { + snd_soc_component_update_bits(component, WM8903_MIC_BIAS_CONTROL_0, + WM8903_MICDET_ENA, 0); + } + + return 0; +} +EXPORT_SYMBOL_GPL(wm8903_mic_detect); + +static irqreturn_t wm8903_irq(int irq, void *data) +{ + struct wm8903_priv *wm8903 = data; + int mic_report, ret; + unsigned int int_val, mask, int_pol; + + ret = regmap_read(wm8903->regmap, WM8903_INTERRUPT_STATUS_1_MASK, + &mask); + if (ret != 0) { + dev_err(wm8903->dev, "Failed to read IRQ mask: %d\n", ret); + return IRQ_NONE; + } + + ret = regmap_read(wm8903->regmap, WM8903_INTERRUPT_STATUS_1, &int_val); + if (ret != 0) { + dev_err(wm8903->dev, "Failed to read IRQ status: %d\n", ret); + return IRQ_NONE; + } + + int_val &= ~mask; + + if (int_val & WM8903_WSEQ_BUSY_EINT) { + dev_warn(wm8903->dev, "Write sequencer done\n"); + } + + /* + * The rest is microphone jack detection. We need to manually + * invert the polarity of the interrupt after each event - to + * simplify the code keep track of the last state we reported + * and just invert the relevant bits in both the report and + * the polarity register. + */ + mic_report = wm8903->mic_last_report; + ret = regmap_read(wm8903->regmap, WM8903_INTERRUPT_POLARITY_1, + &int_pol); + if (ret != 0) { + dev_err(wm8903->dev, "Failed to read interrupt polarity: %d\n", + ret); + return IRQ_HANDLED; + } + +#ifndef CONFIG_SND_SOC_WM8903_MODULE + if (int_val & (WM8903_MICSHRT_EINT | WM8903_MICDET_EINT)) + trace_snd_soc_jack_irq(dev_name(wm8903->dev)); +#endif + + if (int_val & WM8903_MICSHRT_EINT) { + dev_dbg(wm8903->dev, "Microphone short (pol=%x)\n", int_pol); + + mic_report ^= wm8903->mic_short; + int_pol ^= WM8903_MICSHRT_INV; + } + + if (int_val & WM8903_MICDET_EINT) { + dev_dbg(wm8903->dev, "Microphone detect (pol=%x)\n", int_pol); + + mic_report ^= wm8903->mic_det; + int_pol ^= WM8903_MICDET_INV; + + msleep(wm8903->mic_delay); + } + + regmap_update_bits(wm8903->regmap, WM8903_INTERRUPT_POLARITY_1, + WM8903_MICSHRT_INV | WM8903_MICDET_INV, int_pol); + + snd_soc_jack_report(wm8903->mic_jack, mic_report, + wm8903->mic_short | wm8903->mic_det); + + wm8903->mic_last_report = mic_report; + + return IRQ_HANDLED; +} + +#define WM8903_PLAYBACK_RATES (SNDRV_PCM_RATE_8000 |\ + SNDRV_PCM_RATE_11025 | \ + SNDRV_PCM_RATE_16000 | \ + SNDRV_PCM_RATE_22050 | \ + SNDRV_PCM_RATE_32000 | \ + SNDRV_PCM_RATE_44100 | \ + SNDRV_PCM_RATE_48000 | \ + SNDRV_PCM_RATE_88200 | \ + SNDRV_PCM_RATE_96000) + +#define WM8903_CAPTURE_RATES (SNDRV_PCM_RATE_8000 |\ + SNDRV_PCM_RATE_11025 | \ + SNDRV_PCM_RATE_16000 | \ + SNDRV_PCM_RATE_22050 | \ + SNDRV_PCM_RATE_32000 | \ + SNDRV_PCM_RATE_44100 | \ + SNDRV_PCM_RATE_48000) + +#define WM8903_FORMATS (SNDRV_PCM_FMTBIT_S16_LE |\ + SNDRV_PCM_FMTBIT_S20_3LE |\ + SNDRV_PCM_FMTBIT_S24_LE) + +static const struct snd_soc_dai_ops wm8903_dai_ops = { + .hw_params = wm8903_hw_params, + .mute_stream = wm8903_mute, + .set_fmt = wm8903_set_dai_fmt, + .set_sysclk = wm8903_set_dai_sysclk, + .no_capture_mute = 1, +}; + +static struct snd_soc_dai_driver wm8903_dai = { + .name = "wm8903-hifi", + .playback = { + .stream_name = "Playback", + .channels_min = 2, + .channels_max = 2, + .rates = WM8903_PLAYBACK_RATES, + .formats = WM8903_FORMATS, + }, + .capture = { + .stream_name = "Capture", + .channels_min = 2, + .channels_max = 2, + .rates = WM8903_CAPTURE_RATES, + .formats = WM8903_FORMATS, + }, + .ops = &wm8903_dai_ops, + .symmetric_rate = 1, +}; + +static int wm8903_resume(struct snd_soc_component *component) +{ + struct wm8903_priv *wm8903 = snd_soc_component_get_drvdata(component); + + regcache_sync(wm8903->regmap); + + return 0; +} + +#ifdef CONFIG_GPIOLIB +static int wm8903_gpio_request(struct gpio_chip *chip, unsigned offset) +{ + if (offset >= WM8903_NUM_GPIO) + return -EINVAL; + + return 0; +} + +static int wm8903_gpio_direction_in(struct gpio_chip *chip, unsigned offset) +{ + struct wm8903_priv *wm8903 = gpiochip_get_data(chip); + unsigned int mask, val; + int ret; + + mask = WM8903_GP1_FN_MASK | WM8903_GP1_DIR_MASK; + val = (WM8903_GPn_FN_GPIO_INPUT << WM8903_GP1_FN_SHIFT) | + WM8903_GP1_DIR; + + ret = regmap_update_bits(wm8903->regmap, + WM8903_GPIO_CONTROL_1 + offset, mask, val); + if (ret < 0) + return ret; + + return 0; +} + +static int wm8903_gpio_get(struct gpio_chip *chip, unsigned offset) +{ + struct wm8903_priv *wm8903 = gpiochip_get_data(chip); + unsigned int reg; + + regmap_read(wm8903->regmap, WM8903_GPIO_CONTROL_1 + offset, ®); + + return !!((reg & WM8903_GP1_LVL_MASK) >> WM8903_GP1_LVL_SHIFT); +} + +static int wm8903_gpio_direction_out(struct gpio_chip *chip, + unsigned offset, int value) +{ + struct wm8903_priv *wm8903 = gpiochip_get_data(chip); + unsigned int mask, val; + int ret; + + mask = WM8903_GP1_FN_MASK | WM8903_GP1_DIR_MASK | WM8903_GP1_LVL_MASK; + val = (WM8903_GPn_FN_GPIO_OUTPUT << WM8903_GP1_FN_SHIFT) | + (value << WM8903_GP2_LVL_SHIFT); + + ret = regmap_update_bits(wm8903->regmap, + WM8903_GPIO_CONTROL_1 + offset, mask, val); + if (ret < 0) + return ret; + + return 0; +} + +static void wm8903_gpio_set(struct gpio_chip *chip, unsigned offset, int value) +{ + struct wm8903_priv *wm8903 = gpiochip_get_data(chip); + + regmap_update_bits(wm8903->regmap, WM8903_GPIO_CONTROL_1 + offset, + WM8903_GP1_LVL_MASK, + !!value << WM8903_GP1_LVL_SHIFT); +} + +static const struct gpio_chip wm8903_template_chip = { + .label = "wm8903", + .owner = THIS_MODULE, + .request = wm8903_gpio_request, + .direction_input = wm8903_gpio_direction_in, + .get = wm8903_gpio_get, + .direction_output = wm8903_gpio_direction_out, + .set = wm8903_gpio_set, + .can_sleep = 1, +}; + +static void wm8903_init_gpio(struct wm8903_priv *wm8903) +{ + struct wm8903_platform_data *pdata = wm8903->pdata; + int ret; + + wm8903->gpio_chip = wm8903_template_chip; + wm8903->gpio_chip.ngpio = WM8903_NUM_GPIO; + wm8903->gpio_chip.parent = wm8903->dev; + + if (pdata->gpio_base) + wm8903->gpio_chip.base = pdata->gpio_base; + else + wm8903->gpio_chip.base = -1; + + ret = gpiochip_add_data(&wm8903->gpio_chip, wm8903); + if (ret != 0) + dev_err(wm8903->dev, "Failed to add GPIOs: %d\n", ret); +} + +static void wm8903_free_gpio(struct wm8903_priv *wm8903) +{ + gpiochip_remove(&wm8903->gpio_chip); +} +#else +static void wm8903_init_gpio(struct wm8903_priv *wm8903) +{ +} + +static void wm8903_free_gpio(struct wm8903_priv *wm8903) +{ +} +#endif + +static const struct snd_soc_component_driver soc_component_dev_wm8903 = { + .resume = wm8903_resume, + .set_bias_level = wm8903_set_bias_level, + .seq_notifier = wm8903_seq_notifier, + .controls = wm8903_snd_controls, + .num_controls = ARRAY_SIZE(wm8903_snd_controls), + .dapm_widgets = wm8903_dapm_widgets, + .num_dapm_widgets = ARRAY_SIZE(wm8903_dapm_widgets), + .dapm_routes = wm8903_intercon, + .num_dapm_routes = ARRAY_SIZE(wm8903_intercon), + .suspend_bias_off = 1, + .idle_bias_on = 1, + .use_pmdown_time = 1, + .endianness = 1, +}; + +static const struct regmap_config wm8903_regmap = { + .reg_bits = 8, + .val_bits = 16, + + .max_register = WM8903_MAX_REGISTER, + .volatile_reg = wm8903_volatile_register, + .readable_reg = wm8903_readable_register, + + .cache_type = REGCACHE_RBTREE, + .reg_defaults = wm8903_reg_defaults, + .num_reg_defaults = ARRAY_SIZE(wm8903_reg_defaults), +}; + +static int wm8903_set_pdata_irq_trigger(struct i2c_client *i2c, + struct wm8903_platform_data *pdata) +{ + struct irq_data *irq_data = irq_get_irq_data(i2c->irq); + if (!irq_data) { + dev_err(&i2c->dev, "Invalid IRQ: %d\n", + i2c->irq); + return -EINVAL; + } + + switch (irqd_get_trigger_type(irq_data)) { + case IRQ_TYPE_NONE: + default: + /* + * We assume the controller imposes no restrictions, + * so we are able to select active-high + */ + fallthrough; + case IRQ_TYPE_LEVEL_HIGH: + pdata->irq_active_low = false; + break; + case IRQ_TYPE_LEVEL_LOW: + pdata->irq_active_low = true; + break; + } + + return 0; +} + +static int wm8903_set_pdata_from_of(struct i2c_client *i2c, + struct wm8903_platform_data *pdata) +{ + const struct device_node *np = i2c->dev.of_node; + u32 val32; + int i; + + if (of_property_read_u32(np, "micdet-cfg", &val32) >= 0) + pdata->micdet_cfg = val32; + + if (of_property_read_u32(np, "micdet-delay", &val32) >= 0) + pdata->micdet_delay = val32; + + if (of_property_read_u32_array(np, "gpio-cfg", pdata->gpio_cfg, + ARRAY_SIZE(pdata->gpio_cfg)) >= 0) { + /* + * In device tree: 0 means "write 0", + * 0xffffffff means "don't touch". + * + * In platform data: 0 means "don't touch", + * 0x8000 means "write 0". + * + * Note: WM8903_GPIO_CONFIG_ZERO == 0x8000. + * + * Convert from DT to pdata representation here, + * so no other code needs to change. + */ + for (i = 0; i < ARRAY_SIZE(pdata->gpio_cfg); i++) { + if (pdata->gpio_cfg[i] == 0) { + pdata->gpio_cfg[i] = WM8903_GPIO_CONFIG_ZERO; + } else if (pdata->gpio_cfg[i] == 0xffffffff) { + pdata->gpio_cfg[i] = 0; + } else if (pdata->gpio_cfg[i] > 0x7fff) { + dev_err(&i2c->dev, "Invalid gpio-cfg[%d] %x\n", + i, pdata->gpio_cfg[i]); + return -EINVAL; + } + } + } + + return 0; +} + +static int wm8903_i2c_probe(struct i2c_client *i2c) +{ + struct wm8903_platform_data *pdata = dev_get_platdata(&i2c->dev); + struct wm8903_priv *wm8903; + int trigger; + bool mic_gpio = false; + unsigned int val, irq_pol; + int ret, i; + + wm8903 = devm_kzalloc(&i2c->dev, sizeof(*wm8903), GFP_KERNEL); + if (wm8903 == NULL) + return -ENOMEM; + + mutex_init(&wm8903->lock); + wm8903->dev = &i2c->dev; + + wm8903->regmap = devm_regmap_init_i2c(i2c, &wm8903_regmap); + if (IS_ERR(wm8903->regmap)) { + ret = PTR_ERR(wm8903->regmap); + dev_err(&i2c->dev, "Failed to allocate register map: %d\n", + ret); + return ret; + } + + i2c_set_clientdata(i2c, wm8903); + + /* If no platform data was supplied, create storage for defaults */ + if (pdata) { + wm8903->pdata = pdata; + } else { + wm8903->pdata = devm_kzalloc(&i2c->dev, sizeof(*wm8903->pdata), + GFP_KERNEL); + if (!wm8903->pdata) + return -ENOMEM; + + if (i2c->irq) { + ret = wm8903_set_pdata_irq_trigger(i2c, wm8903->pdata); + if (ret != 0) + return ret; + } + + if (i2c->dev.of_node) { + ret = wm8903_set_pdata_from_of(i2c, wm8903->pdata); + if (ret != 0) + return ret; + } + } + + pdata = wm8903->pdata; + + for (i = 0; i < ARRAY_SIZE(wm8903->supplies); i++) + wm8903->supplies[i].supply = wm8903_supply_names[i]; + + ret = devm_regulator_bulk_get(&i2c->dev, ARRAY_SIZE(wm8903->supplies), + wm8903->supplies); + if (ret != 0) { + dev_err(&i2c->dev, "Failed to request supplies: %d\n", ret); + return ret; + } + + ret = regulator_bulk_enable(ARRAY_SIZE(wm8903->supplies), + wm8903->supplies); + if (ret != 0) { + dev_err(&i2c->dev, "Failed to enable supplies: %d\n", ret); + return ret; + } + + ret = regmap_read(wm8903->regmap, WM8903_SW_RESET_AND_ID, &val); + if (ret != 0) { + dev_err(&i2c->dev, "Failed to read chip ID: %d\n", ret); + goto err; + } + if (val != 0x8903) { + dev_err(&i2c->dev, "Device with ID %x is not a WM8903\n", val); + ret = -ENODEV; + goto err; + } + + ret = regmap_read(wm8903->regmap, WM8903_REVISION_NUMBER, &val); + if (ret != 0) { + dev_err(&i2c->dev, "Failed to read chip revision: %d\n", ret); + goto err; + } + dev_info(&i2c->dev, "WM8903 revision %c\n", + (val & WM8903_CHIP_REV_MASK) + 'A'); + + /* Reset the device */ + regmap_write(wm8903->regmap, WM8903_SW_RESET_AND_ID, 0x8903); + + wm8903_init_gpio(wm8903); + + /* Set up GPIO pin state, detect if any are MIC detect outputs */ + for (i = 0; i < ARRAY_SIZE(pdata->gpio_cfg); i++) { + if ((!pdata->gpio_cfg[i]) || + (pdata->gpio_cfg[i] > WM8903_GPIO_CONFIG_ZERO)) + continue; + + regmap_write(wm8903->regmap, WM8903_GPIO_CONTROL_1 + i, + pdata->gpio_cfg[i] & 0x7fff); + + val = (pdata->gpio_cfg[i] & WM8903_GP1_FN_MASK) + >> WM8903_GP1_FN_SHIFT; + + switch (val) { + case WM8903_GPn_FN_MICBIAS_CURRENT_DETECT: + case WM8903_GPn_FN_MICBIAS_SHORT_DETECT: + mic_gpio = true; + break; + default: + break; + } + } + + /* Set up microphone detection */ + regmap_write(wm8903->regmap, WM8903_MIC_BIAS_CONTROL_0, + pdata->micdet_cfg); + + /* Microphone detection needs the WSEQ clock */ + if (pdata->micdet_cfg) + regmap_update_bits(wm8903->regmap, WM8903_WRITE_SEQUENCER_0, + WM8903_WSEQ_ENA, WM8903_WSEQ_ENA); + + /* If microphone detection is enabled by pdata but + * detected via IRQ then interrupts can be lost before + * the machine driver has set up microphone detection + * IRQs as the IRQs are clear on read. The detection + * will be enabled when the machine driver configures. + */ + WARN_ON(!mic_gpio && (pdata->micdet_cfg & WM8903_MICDET_ENA)); + + wm8903->mic_delay = pdata->micdet_delay; + + if (i2c->irq) { + if (pdata->irq_active_low) { + trigger = IRQF_TRIGGER_LOW; + irq_pol = WM8903_IRQ_POL; + } else { + trigger = IRQF_TRIGGER_HIGH; + irq_pol = 0; + } + + regmap_update_bits(wm8903->regmap, WM8903_INTERRUPT_CONTROL, + WM8903_IRQ_POL, irq_pol); + + ret = request_threaded_irq(i2c->irq, NULL, wm8903_irq, + trigger | IRQF_ONESHOT, + "wm8903", wm8903); + if (ret != 0) { + dev_err(wm8903->dev, "Failed to request IRQ: %d\n", + ret); + goto err; + } + + /* Enable write sequencer interrupts */ + regmap_update_bits(wm8903->regmap, + WM8903_INTERRUPT_STATUS_1_MASK, + WM8903_IM_WSEQ_BUSY_EINT, 0); + } + + /* Latch volume update bits */ + regmap_update_bits(wm8903->regmap, WM8903_ADC_DIGITAL_VOLUME_LEFT, + WM8903_ADCVU, WM8903_ADCVU); + regmap_update_bits(wm8903->regmap, WM8903_ADC_DIGITAL_VOLUME_RIGHT, + WM8903_ADCVU, WM8903_ADCVU); + + regmap_update_bits(wm8903->regmap, WM8903_DAC_DIGITAL_VOLUME_LEFT, + WM8903_DACVU, WM8903_DACVU); + regmap_update_bits(wm8903->regmap, WM8903_DAC_DIGITAL_VOLUME_RIGHT, + WM8903_DACVU, WM8903_DACVU); + + regmap_update_bits(wm8903->regmap, WM8903_ANALOGUE_OUT1_LEFT, + WM8903_HPOUTVU, WM8903_HPOUTVU); + regmap_update_bits(wm8903->regmap, WM8903_ANALOGUE_OUT1_RIGHT, + WM8903_HPOUTVU, WM8903_HPOUTVU); + + regmap_update_bits(wm8903->regmap, WM8903_ANALOGUE_OUT2_LEFT, + WM8903_LINEOUTVU, WM8903_LINEOUTVU); + regmap_update_bits(wm8903->regmap, WM8903_ANALOGUE_OUT2_RIGHT, + WM8903_LINEOUTVU, WM8903_LINEOUTVU); + + regmap_update_bits(wm8903->regmap, WM8903_ANALOGUE_OUT3_LEFT, + WM8903_SPKVU, WM8903_SPKVU); + regmap_update_bits(wm8903->regmap, WM8903_ANALOGUE_OUT3_RIGHT, + WM8903_SPKVU, WM8903_SPKVU); + + /* Enable DAC soft mute by default */ + regmap_update_bits(wm8903->regmap, WM8903_DAC_DIGITAL_1, + WM8903_DAC_MUTEMODE | WM8903_DAC_MUTE, + WM8903_DAC_MUTEMODE | WM8903_DAC_MUTE); + + ret = devm_snd_soc_register_component(&i2c->dev, + &soc_component_dev_wm8903, &wm8903_dai, 1); + if (ret != 0) + goto err; + + return 0; +err: + regulator_bulk_disable(ARRAY_SIZE(wm8903->supplies), + wm8903->supplies); + return ret; +} + +static void wm8903_i2c_remove(struct i2c_client *client) +{ + struct wm8903_priv *wm8903 = i2c_get_clientdata(client); + + regulator_bulk_disable(ARRAY_SIZE(wm8903->supplies), + wm8903->supplies); + if (client->irq) + free_irq(client->irq, wm8903); + wm8903_free_gpio(wm8903); +} + +static const struct of_device_id wm8903_of_match[] = { + { .compatible = "wlf,wm8903", }, + {}, +}; +MODULE_DEVICE_TABLE(of, wm8903_of_match); + +static const struct i2c_device_id wm8903_i2c_id[] = { + { "wm8903", 0 }, + { } +}; +MODULE_DEVICE_TABLE(i2c, wm8903_i2c_id); + +static struct i2c_driver wm8903_i2c_driver = { + .driver = { + .name = "wm8903", + .of_match_table = wm8903_of_match, + }, + .probe_new = wm8903_i2c_probe, + .remove = wm8903_i2c_remove, + .id_table = wm8903_i2c_id, +}; + +module_i2c_driver(wm8903_i2c_driver); + +MODULE_DESCRIPTION("ASoC WM8903 driver"); +MODULE_AUTHOR("Mark Brown "); +MODULE_LICENSE("GPL"); -- cgit v1.2.3