/*
* wm8996.c - WM8996 audio codec interface
*
* Copyright 2011-2 Wolfson Microelectronics PLC.
* Author: Mark Brown <broonie@opensource.wolfsonmicro.com>
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the
* Free Software Foundation; either version 2 of the License, or (at your
* option) any later version.
*/
#include <linux/module.h>
#include <linux/moduleparam.h>
#include <linux/init.h>
#include <linux/completion.h>
#include <linux/delay.h>
#include <linux/pm.h>
#include <linux/gcd.h>
#include <linux/gpio.h>
#include <linux/i2c.h>
#include <linux/regmap.h>
#include <linux/regulator/consumer.h>
#include <linux/slab.h>
#include <linux/workqueue.h>
#include <sound/core.h>
#include <sound/jack.h>
#include <sound/pcm.h>
#include <sound/pcm_params.h>
#include <sound/soc.h>
#include <sound/initval.h>
#include <sound/tlv.h>
#include <trace/events/asoc.h>
#include <sound/wm8996.h>
#include "wm8996.h"
#define WM8996_AIFS 2
#define HPOUT1L 1
#define HPOUT1R 2
#define HPOUT2L 4
#define HPOUT2R 8
#define WM8996_NUM_SUPPLIES 3
static const char *wm8996_supply_names[WM8996_NUM_SUPPLIES] = {
"DBVDD",
"AVDD1",
"AVDD2",
};
struct wm8996_priv {
struct device *dev;
struct regmap *regmap;
struct snd_soc_codec *codec;
int ldo1ena;
int sysclk;
int sysclk_src;
int fll_src;
int fll_fref;
int fll_fout;
struct completion fll_lock;
u16 dcs_pending;
struct completion dcs_done;
u16 hpout_ena;
u16 hpout_pending;
struct regulator_bulk_data supplies[WM8996_NUM_SUPPLIES];
struct notifier_block disable_nb[WM8996_NUM_SUPPLIES];
int bg_ena;
struct wm8996_pdata pdata;
int rx_rate[WM8996_AIFS];
int bclk_rate[WM8996_AIFS];
/* Platform dependant ReTune mobile configuration */
int num_retune_mobile_texts;
const char **retune_mobile_texts;
int retune_mobile_cfg[2];
struct soc_enum retune_mobile_enum;
struct snd_soc_jack *jack;
bool detecting;
bool jack_mic;
int jack_flips;
wm8996_polarity_fn polarity_cb;
#ifdef CONFIG_GPIOLIB
struct gpio_chip gpio_chip;
#endif
};
/* We can't use the same notifier block for more than one supply and
* there's no way I can see to get from a callback to the caller
* except container_of().
*/
#define WM8996_REGULATOR_EVENT(n) \
static int wm8996_regulator_event_##n(struct notifier_block *nb, \
unsigned long event, void *data) \
{ \
struct wm8996_priv *wm8996 = container_of(nb, struct wm8996_priv, \
disable_nb[n]); \
if (event & REGULATOR_EVENT_DISABLE) { \
regcache_mark_dirty(wm8996->regmap); \
} \
return 0; \
}
WM8996_REGULATOR_EVENT(0)
WM8996_REGULATOR_EVENT(1)
WM8996_REGULATOR_EVENT(2)
static struct reg_default wm8996_reg[] = {
{ WM8996_POWER_MANAGEMENT_1, 0x0 },
{ WM8996_POWER_MANAGEMENT_2, 0x0 },
{ WM8996_POWER_MANAGEMENT_3, 0x0 },
{ WM8996_POWER_MANAGEMENT_4, 0x0 },
{ WM8996_POWER_MANAGEMENT_5, 0x0 },
{ WM8996_POWER_MANAGEMENT_6, 0x0 },
{ WM8996_POWER_MANAGEMENT_7, 0x10 },
{ WM8996_POWER_MANAGEMENT_8, 0x0 },
{ WM8996_LEFT_LINE_INPUT_VOLUME, 0x0 },
{ WM8996_RIGHT_LINE_INPUT_VOLUME, 0x0 },
{ WM8996_LINE_INPUT_CONTROL, 0x0 },
{ WM8996_DAC1_HPOUT1_VOLUME, 0x88 },
{ WM8996_DAC2_HPOUT2_VOLUME, 0x88 },
{ WM8996_DAC1_LEFT_VOLUME, 0x2c0 },
{ WM8996_DAC1_RIGHT_VOLUME, 0x2c0 },
{ WM8996_DAC2_LEFT_VOLUME, 0x2c0 },
{ WM8996_DAC2_RIGHT_VOLUME, 0x2c0 },
{ WM8996_OUTPUT1_LEFT_VOLUME, 0x80 },
{ WM8996_OUTPUT1_RIGHT_VOLUME, 0x80 },
{ WM8996_OUTPUT2_LEFT_VOLUME, 0x80 },
{ WM8996_OUTPUT2_RIGHT_VOLUME, 0x80 },
{ WM8996_MICBIAS_1, 0x39 },
{ WM8996_MICBIAS_2, 0x39 },
{ WM8996_LDO_1, 0x3 },
{ WM8996_LDO_2, 0x13 },
{ WM8996_ACCESSORY_DETECT_MODE_1, 0x4 },
{ WM8996_ACCESSORY_DETECT_MODE_2, 0x0 },
{ WM8996_HEADPHONE_DETECT_1, 0x20 },
{ WM8996_HEADPHONE_DETECT_2, 0x0 },
{ WM8996_MIC_DETECT_1, 0x7600 },
{ WM8996_MIC_DETECT_2, 0xbf },
{ WM8996_CHARGE_PUMP_1, 0x1f25 },
{ WM8996_CHARGE_PUMP_2, 0xab19 },
{ WM8996_DC_SERVO_1, 0x0 },
{ WM8996_DC_SERVO_3, 0x0 },
{ WM8996_DC_SERVO_5, 0x2a2a },
{ WM8996_DC_SERVO_6, 0x0 },
{ WM8996_DC_SERVO_7, 0x0 },
{ WM8996_ANALOGUE_HP_1, 0x0 },
{ WM8996_ANALOGUE_HP_2, 0x0 },
{ WM8996_CONTROL_INTERFACE_1, 0x8004 },
{ WM8996_WRITE_SEQUENCER_CTRL_1, 0x0 },
{ WM8996_WRITE_SEQUENCER_CTRL_2, 0x0 },
{ WM8996_AIF_CLOCKING_1, 0x0 },
{ WM8996_AIF_CLOCKING_2, 0x0 },
{ WM8996_CLOCKING_1, 0x10 },
{ WM8996_CLOCKING_2, 0x0 },
{ WM8996_AIF_RATE, 0x83 },
{ WM8996_FLL_CONTROL_1, 0x0 },
{ WM8996_FLL_CONTROL_2, 0x0 },
{ WM8996_FLL_CONTROL_3, 0x0 },
{ WM8996_FLL_CONTROL_4, 0x5dc0 },
{ WM8996_FLL_CONTROL_5, 0xc84 },
{ WM8996_FLL_EFS_1, 0x0 },
{ WM8996_FLL_EFS_2, 0x2 },
{ WM8996_AIF1_CONTROL, 0x0 },
{ WM8996_AIF1_BCLK, 0x0 },
{ WM8996_AIF1_TX_LRCLK_1, 0x80 },
{ WM8996_AIF1_TX_LRCLK_2, 0x8 },
{ WM8996_AIF1_RX_LRCLK_1, 0x80 },
{ WM8996_AIF1_RX_LRCLK_2, 0x0 },
{ WM8996_AIF1TX_DATA_CONFIGURATION_1, 0x1818 },
{ WM8996_AIF1TX_DATA_CONFIGURATION_2, 0 },
{ WM8996_AIF1RX_DATA_CONFIGURATION, 0x1818 },
{ WM8996_AIF1TX_CHANNEL_0_CONFIGURATION, 0x0 },
{ WM8996_AIF1TX_CHANNEL_1_CONFIGURATION, 0x0 },
{ WM8996_AIF1TX_CHANNEL_2_CONFIGURATION, 0x0 },
{ WM8996_AIF1TX_CHANNEL_3_CONFIGURATION, 0x0 },
{ WM8996_AIF1TX_CHANNEL_4_CONFIGURATION, 0x0 },
{ WM8996_AIF1TX_CHANNEL_5_CONFIGURATION, 0x0 },
{ WM8996_AIF1RX_CHANNEL_0_CONFIGURATION, 0x0 },
{ WM8996_AIF1RX_CHANNEL_1_CONFIGURATION, 0x0 },
{ WM8996_AIF1RX_CHANNEL_2_CONFIGURATION, 0x0 },
{ WM8996_AIF1RX_CHANNEL_3_CONFIGURATION, 0x0 },
{ WM8996_AIF1RX_CHANNEL_4_CONFIGURATION, 0x0 },
{ WM8996_AIF1RX_CHANNEL_5_CONFIGURATION, 0x0 },
{ WM8996_AIF1RX_MONO_CONFIGURATION, 0x0 },
{ WM8996_AIF1TX_TEST, 0x7 },
{ WM8996_AIF2_CONTROL, 0x0 },
{ WM8996_AIF2_BCLK, 0x0 },
{ WM8996_AIF2_TX_LRCLK_1, 0x80 },
{ WM8996_AIF2_TX_LRCLK_2, 0x8 },
{ WM8996_AIF2_RX_LRCLK_1, 0x80 },
{ WM8996_AIF2_RX_LRCLK_2, 0x0 },
{ WM8996_AIF2TX_DATA_CONFIGURATION_1, 0x1818 },
{ WM8996_AIF2RX_DATA_CONFIGURATION, 0x1818 },
{ WM8996_AIF2RX_DATA_CONFIGURATION, 0x0 },
{ WM8996_AIF2TX_CHANNEL_0_CONFIGURATION, 0x0 },
{ WM8996_AIF2TX_CHANNEL_1_CONFIGURATION, 0x0 },
{ WM8996_AIF2RX_CHANNEL_0_CONFIGURATION, 0x0 },
{ WM8996_AIF2RX_CHANNEL_1_CONFIGURATION, 0x0 },
{ WM8996_AIF2RX_MONO_CONFIGURATION, 0x0 },
{ WM8996_AIF2TX_TEST, 0x1 },
{ WM8996_DSP1_TX_LEFT_VOLUME, 0xc0 },
{ WM8996_DSP1_TX_RIGHT_VOLUME, 0xc0 },
{ WM8996_DSP1_RX_LEFT_VOLUME, 0xc0 },
{ WM8996_DSP1_RX_RIGHT_VOLUME, 0xc0 },
{ WM8996_DSP1_TX_FILTERS, 0x2000 },
{ WM8996_DSP1_RX_FILTERS_1, 0x200 },
{ WM8996_DSP1_RX_FILTERS_2, 0x10 },
{ WM8996_DSP1_DRC_1, 0x98 },
{ WM8996_DSP1_DRC_2, 0x845 },
{ WM8996_DSP1_RX_EQ_GAINS_1, 0x6318 },
{ WM8996_DSP1_RX_EQ_GAINS_2, 0x6300 },
{ WM8996_DSP1_RX_EQ_BAND_1_A, 0xfca },
{ WM8996_DSP1_RX_EQ_BAND_1_B, 0x400 },
{ WM8996_DSP1_RX_EQ_BAND_1_PG, 0xd8 },
{ WM8996_DSP1_RX_EQ_BAND_2_A, 0x1eb5 },
{ WM8996_DSP1_RX_EQ_BAND_2_B, 0xf145 },
{ WM8996_DSP1_RX_EQ_BAND_2_C, 0xb75 },
{ WM8996_DSP1_RX_EQ_BAND_2_PG, 0x1c5 },
{ WM8996_DSP1_RX_EQ_BAND_3_A, 0x1c58 },
{ WM8996_DSP1_RX_EQ_BAND_3_B, 0xf373 },
{ WM8996_DSP1_RX_EQ_BAND_3_C, 0xa54 },
{ WM8996_DSP1_RX_EQ_BAND_3_PG, 0x558 },
{ WM8996_DSP1_RX_EQ_BAND_4_A, 0x168e },
{ WM8996_DSP1_RX_EQ_BAND_4_B, 0xf829 },
{ WM8996_DSP1_RX_EQ_BAND_4_C, 0x7ad },
{ WM8996_DSP1_RX_EQ_BAND_4_PG, 0x1103 },
{ WM8996_DSP1_RX_EQ_BAND_5_A, 0x564 },
{ WM8996_DSP1_RX_EQ_BAND_5_B, 0x559 },
{ WM8996_DSP1_RX_EQ_BAND_5_PG, 0x4000 },
{ WM8996_DSP2_TX_LEFT_VOLUME, 0xc0 },
{ WM8996_DSP2_TX_RIGHT_VOLUME, 0xc0 },
{ WM8996_DSP2_RX_LEFT_VOLUME, 0xc0 },
{ WM8996_DSP2_RX_RIGHT_VOLUME, 0xc0 },
{ WM8996_DSP2_TX_FILTERS, 0x2000 },
{ WM8996_DSP2_RX_FILTERS_1, 0x200 },
{ WM8996_DSP2_RX_FILTERS_2, 0x10 },
{ WM8996_DSP2_DRC_1, 0x98 },
{ WM8996_DSP2_DRC_2, 0x845 },
{ WM8996_DSP2_RX_EQ_GAINS_1, 0x6318 },
{ WM8996_DSP2_RX_EQ_GAINS_2, 0x6300 },
{ WM8996_DSP2_RX_EQ_BAND_1_A, 0xfca },
{ WM8996_DSP2_RX_EQ_BAND_1_B, 0x400 },
{ WM8996_DSP2_RX_EQ_BAND_1_PG, 0xd8 },
{ WM8996_DSP2_RX_EQ_BAND_2_A, 0x1eb5 },
{ WM8996_DSP2_RX_EQ_BAND_2_B, 0xf145 },
{ WM8996_DSP2_RX_EQ_BAND_2_C, 0xb75 },
{ WM8996_DSP2_RX_EQ_BAND_2_PG, 0x1c5 },
{ WM8996_DSP2_RX_EQ_BAND_3_A, 0x1c58 },
{ WM8996_DSP2_RX_EQ_BAND_3_B, 0xf373 },
{ WM8996_DSP2_RX_EQ_BAND_3_C, 0xa54 },
{ WM8996_DSP2_RX_EQ_BAND_3_PG, 0x558 },
{ WM8996_DSP2_RX_EQ_BAND_4_A, 0x168e },
{ WM8996_DSP2_RX_EQ_BAND_4_B, 0xf829 },
{ WM8996_DSP2_RX_EQ_BAND_4_C, 0x7ad },
{ WM8996_DSP2_RX_EQ_BAND_4_PG, 0x1103 },
{ WM8996_DSP2_RX_EQ_BAND_5_A, 0x564 },
{ WM8996_DSP2_RX_EQ_BAND_5_B, 0x559 },
{ WM8996_DSP2_RX_EQ_BAND_5_PG, 0x4000 },
{ WM8996_DAC1_MIXER_VOLUMES, 0x0 },
{ WM8996_DAC1_LEFT_MIXER_ROUTING, 0x0 },
{ WM8996_DAC1_RIGHT_MIXER_ROUTING, 0x0 },
{ WM8996_DAC2_MIXER_VOLUMES, 0x0 },
{ WM8996_DAC2_LEFT_MIXER_ROUTING, 0x0 },
{ WM8996_DAC2_RIGHT_MIXER_ROUTING, 0x0 },
{ WM8996_DSP1_TX_LEFT_MIXER_ROUTING, 0x0 },
{ WM8996_DSP1_TX_RIGHT_MIXER_ROUTING, 0x0 },
{ WM8996_DSP2_TX_LEFT_MIXER_ROUTING, 0x0 },
{ WM8996_DSP2_TX_RIGHT_MIXER_ROUTING, 0x0 },
{ WM8996_DSP_TX_MIXER_SELECT, 0x0 },
{ WM8996_DAC_SOFTMUTE, 0x0 },
{ WM8996_OVERSAMPLING, 0xd },
{ WM8996_SIDETONE, 0x1040 },
{ WM8996_GPIO_1, 0xa101 },
{ WM8996_GPIO_2, 0xa101 },
{ WM8996_GPIO_3, 0xa101 },
{ WM8996_GPIO_4, 0xa101 },
{ WM8996_GPIO_5, 0xa101 },
{ WM8996_PULL_CONTROL_1, 0x0 },
{ WM8996_PULL_CONTROL_2, 0x140 },
{ WM8996_INTERRUPT_STATUS_1_MASK, 0x1f },
{ WM8996_INTERRUPT_STATUS_2_MASK, 0x1ecf },
{ WM8996_LEFT_PDM_SPEAKER, 0x0 },
{ WM8996_RIGHT_PDM_SPEAKER, 0x1 },
{ WM8996_PDM_SPEAKER_MUTE_SEQUENCE, 0x69 },
{ WM8996_PDM_SPEAKER_VOLUME, 0x66 },
};
static const DECLARE_TLV_DB_SCALE(inpga_tlv, 0, 100, 0);
static const DECLARE_TLV_DB_SCALE(sidetone_tlv, -3600, 150, 0);
static const DECLARE_TLV_DB_SCALE(digital_tlv, -7200, 75, 1);
static const DECLARE_TLV_DB_SCALE(out_digital_tlv, -1200, 150, 0);
static const DECLARE_TLV_DB_SCALE(out_tlv, -900, 75, 0);
static const DECLARE_TLV_DB_SCALE(spk_tlv, -900, 150, 0);
static const DECLARE_TLV_DB_SCALE(eq_tlv, -1200, 100, 0);
static const DECLARE_TLV_DB_SCALE(threedstereo_tlv, -1600, 183, 1);
static const char *sidetone_hpf_text[] = {
"2.9kHz", "1.5kHz", "735Hz", "403Hz", "196Hz", "98Hz", "49Hz"
};
static const struct soc_enum sidetone_hpf =
SOC_ENUM_SINGLE(WM8996_SIDETONE, 7, 7, sidetone_hpf_text);
static const char *hpf_mode_text[] = {
"HiFi", "Custom", "Voice"
};
static const struct soc_enum dsp1tx_hpf_mode =
SOC_ENUM_SINGLE(WM8996_DSP1_TX_FILTERS, 3, 3, hpf_mode_text);
static const struct soc_enum dsp2tx_hpf_mode =
SOC_ENUM_SINGLE(WM8996_DSP2_TX_FILTERS, 3, 3, hpf_mode_text);
static const char *hpf_cutoff_text[] = {
"50Hz", "75Hz", "100Hz", "150Hz", "200Hz", "300Hz", "400Hz"
};
static const struct soc_enum dsp1tx_hpf_cutoff =
SOC_ENUM_SINGLE(WM8996_DSP1_TX_FILTERS, 0, 7, hpf_cutoff_text);
static const struct soc_enum dsp2tx_hpf_cutoff =
SOC_ENUM_SINGLE(WM8996_DSP2_TX_FILTERS, 0, 7, hpf_cutoff_text);
static void wm8996_set_retune_mobile(struct snd_soc_codec *codec, int block)
{
struct wm8996_priv *wm8996 = snd_soc_codec_get_drvdata(codec);
struct wm8996_pdata *pdata = &wm8996->pdata;
int base, best, best_val, save, i, cfg, iface;
if (!wm8996->num_retune_mobile_texts)
return;
switch (block) {
case 0:
base = WM8996_DSP1_RX_EQ_GAINS_1;
if (snd_soc_read(codec, WM8996_POWER_MANAGEMENT_8) &
WM8996_DSP1RX_SRC)
iface = 1;
else
iface = 0;
break;
case 1:
base = WM8996_DSP1_RX_EQ_GAINS_2;
if (snd_soc_read(codec, WM8996_POWER_MANAGEMENT_8) &
WM8996_DSP2RX_SRC)
iface = 1;
else
iface = 0;
break;
default:
return;
}
/* Find the version of the currently selected configuration
* with the nearest sample rate. */
cfg = wm8996->retune_mobile_cfg[block];
best = 0;
best_val = INT_MAX;
for (i = 0; i < pdata->num_retune_mobile_cfgs; i++) {
if (strcmp(pdata->retune_mobile_cfgs[i].name,
wm8996->retune_mobile_texts[cfg]) == 0 &&
abs(pdata->retune_mobile_cfgs[i].rate
- wm8996->rx_rate[iface]) < best_val) {
best = i;
best_val = abs(pdata->retune_mobile_cfgs[i].rate
- wm8996->rx_rate[iface]);
}
}
dev_dbg(codec->dev, "ReTune Mobile %d %s/%dHz for %dHz sample rate\n",
block,
pdata->retune_mobile_cfgs[best].name,
pdata->retune_mobile_cfgs[best].rate,
wm8996->rx_rate[iface]);
/* The EQ will be disabled while reconfiguring it, remember the
* current configuration.
*/
save = snd_soc_read(codec, base);
save &= WM8996_DSP1RX_EQ_ENA;
for (i = 0; i < ARRAY_SIZE(pdata->retune_mobile_cfgs[best].regs); i++)
snd_soc_update_bits(codec, base + i, 0xffff,
pdata->retune_mobile_cfgs[best].regs[i]);
snd_soc_update_bits(codec, base, WM8996_DSP1RX_EQ_ENA, save);
}
/* Icky as hell but saves code duplication */
static int wm8996_get_retune_mobile_block(const char *name)
{
if (strcmp(name, "DSP1 EQ Mode") == 0)
return 0;
if (strcmp(name, "DSP2 EQ Mode") == 0)
return 1;
return -EINVAL;
}
static int wm8996_put_retune_mobile_enum(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
struct wm8996_priv *wm8996 = snd_soc_codec_get_drvdata(codec);
struct wm8996_pdata *pdata = &wm8996->pdata;
int block = wm8996_get_retune_mobile_block(kcontrol->id.name);
int value = ucontrol->value.integer.value[0];
if (block < 0)
return block;
if (value >= pdata->num_retune_mobile_cfgs)
return -EINVAL;
wm8996->retune_mobile_cfg[block] = value;
wm8996_set_retune_mobile(codec, block);
return 0;
}
static int wm8996_get_retune_mobile_enum(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
struct wm8996_priv *wm8996 = snd_soc_codec_get_drvdata(codec);
int block = wm8996_get_retune_mobile_block(kcontrol->id.name);
ucontrol->value.enumerated.item[0] = wm8996->retune_mobile_cfg[block];
return 0;
}
static const struct snd_kcontrol_new wm8996_snd_controls[] = {
SOC_DOUBLE_R_TLV("Capture Volume", WM8996_LEFT_LINE_INPUT_VOLUME,
WM8996_RIGHT_LINE_INPUT_VOLUME, 0, 31, 0, inpga_tlv),
SOC_DOUBLE_R("Capture ZC Switch", WM8996_LEFT_LINE_INPUT_VOLUME,
WM8996_RIGHT_LINE_INPUT_VOLUME, 5, 1, 0),
SOC_DOUBLE_TLV("DAC1 Sidetone Volume", WM8996_DAC1_MIXER_VOLUMES,
0, 5, 24, 0, sidetone_tlv),
SOC_DOUBLE_TLV("DAC2 Sidetone Volume", WM8996_DAC2_MIXER_VOLUMES,
0, 5, 24, 0, sidetone_tlv),
SOC_SINGLE("Sidetone LPF Switch", WM8996_SIDETONE, 12, 1, 0),
SOC_ENUM("Sidetone HPF Cut-off", sidetone_hpf),
SOC_SINGLE("Sidetone HPF Switch", WM8996_SIDETONE, 6, 1, 0),
SOC_DOUBLE_R_TLV("DSP1 Capture Volume", WM8996_DSP1_TX_LEFT_VOLUME,
WM8996_DSP1_TX_RIGHT_VOLUME, 1, 96, 0, digital_tlv),
SOC_DOUBLE_R_TLV("DSP2 Capture Volume", WM8996_DSP2_TX_LEFT_VOLUME,
WM8996_DSP2_TX_RIGHT_VOLUME, 1, 96, 0, digital_tlv),
SOC_SINGLE("DSP1 Capture Notch Filter Switch", WM8996_DSP1_TX_FILTERS,
13, 1, 0),
SOC_DOUBLE("DSP1 Capture HPF Switch", WM8996_DSP1_TX_FILTERS, 12, 11, 1, 0),
SOC_ENUM("DSP1 Capture HPF Mode", dsp1tx_hpf_mode),
SOC_ENUM("DSP1 Capture HPF Cutoff", dsp1tx_hpf_cutoff),
SOC_SINGLE("DSP2 Capture Notch Filter Switch", WM8996_DSP2_TX_FILTERS,
13, 1, 0),
SOC_DOUBLE("DSP2 Capture HPF Switch", WM8996_DSP2_TX_FILTERS, 12, 11, 1, 0),
SOC_ENUM("DSP2 Capture HPF Mode", dsp2tx_hpf_mode),
SOC_ENUM("DSP2 Capture HPF Cutoff", dsp2tx_hpf_cutoff),
SOC_DOUBLE_R_TLV("DSP1 Playback Volume", WM8996_DSP1_RX_LEFT_VOLUME,
WM8996_DSP1_RX_RIGHT_VOLUME, 1, 112, 0, digital_tlv),
SOC_SINGLE("DSP1 Playback Switch", WM8996_DSP1_RX_FILTERS_1, 9, 1, 1),
SOC_DOUBLE_R_TLV("DSP2 Playback Volume", WM8996_DSP2_RX_LEFT_VOLUME,
WM8996_DSP2_RX_RIGHT_VOLUME, 1, 112, 0, digital_tlv),
SOC_SINGLE("DSP2 Playback Switch", WM8996_DSP2_RX_FILTERS_1, 9, 1, 1),
SOC_DOUBLE_R_TLV("DAC1 Volume", WM8996_DAC1_LEFT_VOLUME,
WM8996_DAC1_RIGHT_VOLUME, 1, 112, 0, digital_tlv),
SOC_DOUBLE_R("DAC1 Switch", WM8996_DAC1_LEFT_VOLUME,
WM8996_DAC1_RIGHT_VOLUME, 9, 1, 1),
SOC_DOUBLE_R_TLV("DAC2 Volume", WM8996_DAC2_LEFT_VOLUME,
WM8996_DAC2_RIGHT_VOLUME, 1, 112, 0, digital_tlv),
SOC_DOUBLE_R("DAC2 Switch", WM8996_DAC2_LEFT_VOLUME,
WM8996_DAC2_RIGHT_VOLUME, 9, 1, 1),
SOC_SINGLE("Speaker High Performance Switch", WM8996_OVERSAMPLING, 3, 1, 0),
SOC_SINGLE("DMIC High Performance Switch", WM8996_OVERSAMPLING, 2, 1, 0),
SOC_SINGLE("ADC High Performance Switch", WM8996_OVERSAMPLING, 1, 1, 0),
SOC_SINGLE("DAC High Performance Switch", WM8996_OVERSAMPLING, 0, 1, 0),
SOC_SINGLE("DAC Soft Mute Switch", WM8996_DAC_SOFTMUTE, 1, 1, 0),
SOC_SINGLE("DAC Slow Soft Mute Switch", WM8996_DAC_SOFTMUTE, 0, 1, 0),
SOC_SINGLE("DSP1 3D Stereo Switch", WM8996_DSP1_RX_FILTERS_2, 8, 1, 0),
SOC_SINGLE("DSP2 3D Stereo Switch", WM8996_DSP2_RX_FILTERS_2, 8, 1, 0),
SOC_SINGLE_TLV("DSP1 3D Stereo Volume", WM8996_DSP1_RX_FILTERS_2, 10, 15,
0, threedstereo_tlv),
SOC_SINGLE_TLV("DSP2 3D Stereo Volume", WM8996_DSP2_RX_FILTERS_2, 10, 15,
0, threedstereo_tlv),
SOC_DOUBLE_TLV("Digital Output 1 Volume", WM8996_DAC1_HPOUT1_VOLUME, 0, 4,
8, 0, out_digital_tlv),
SOC_DOUBLE_TLV("Digital Output 2 Volume", WM8996_DAC2_HPOUT2_VOLUME, 0, 4,
8, 0, out_digital_tlv),
SOC_DOUBLE_R_TLV("Output 1 Volume", WM8996_OUTPUT1_LEFT_VOLUME,
WM8996_OUTPUT1_RIGHT_VOLUME, 0, 12, 0, out_tlv),
SOC_DOUBLE_R("Output 1 ZC Switch", WM8996_OUTPUT1_LEFT_VOLUME,
WM8996_OUTPUT1_RIGHT_VOLUME, 7, 1, 0),
SOC_DOUBLE_R_TLV("Output 2 Volume", WM8996_OUTPUT2_LEFT_VOLUME,
WM8996_OUTPUT2_RIGHT_VOLUME, 0, 12, 0, out_tlv),
SOC_DOUBLE_R("Output 2 ZC Switch", WM8996_OUTPUT2_LEFT_VOLUME,
WM8996_OUTPUT2_RIGHT_VOLUME, 7, 1, 0),
SOC_DOUBLE_TLV("Speaker Volume", WM8996_PDM_SPEAKER_VOLUME, 0, 4, 8, 0,
spk_tlv),
SOC_DOUBLE_R("Speaker Switch", WM8996_LEFT_PDM_SPEAKER,
WM8996_RIGHT_PDM_SPEAKER, 3, 1, 1),
SOC_DOUBLE_R("Speaker ZC Switch", WM8996_LEFT_PDM_SPEAKER,
WM8996_RIGHT_PDM_SPEAKER, 2, 1, 0),
SOC_SINGLE("DSP1 EQ Switch", WM8996_DSP1_RX_EQ_GAINS_1, 0, 1, 0),
SOC_SINGLE("DSP2 EQ Switch", WM8996_DSP2_RX_EQ_GAINS_1, 0, 1, 0),
SOC_SINGLE("DSP1 DRC TXL Switch", WM8996_DSP1_DRC_1, 0, 1, 0),
SOC_SINGLE("DSP1 DRC TXR Switch", WM8996_DSP1_DRC_1, 1, 1, 0),
SOC_SINGLE("DSP1 DRC RX Switch", WM8996_DSP1_DRC_1, 2, 1, 0),
SND_SOC_BYTES_MASK("DSP1 DRC", WM8996_DSP1_DRC_1, 5,
WM8996_DSP1RX_DRC_ENA | WM8996_DSP1TXL_DRC_ENA |
WM8996_DSP1TXR_DRC_ENA),
SOC_SINGLE("DSP2 DRC TXL Switch", WM8996_DSP2_DRC_1, 0, 1, 0),
SOC_SINGLE("DSP2 DRC TXR Switch", WM8996_DSP2_DRC_1, 1, 1, 0),
SOC_SINGLE("DSP2 DRC RX Switch", WM8996_DSP2_DRC_1, 2, 1, 0),
SND_SOC_BYTES_MASK("DSP2 DRC", WM8996_DSP2_DRC_1, 5,
WM8996_DSP2RX_DRC_ENA | WM8996_DSP2TXL_DRC_ENA |
WM8996_DSP2TXR_DRC_ENA),
};
static const struct snd_kcontrol_new wm8996_eq_controls[] = {
SOC_SINGLE_TLV("DSP1 EQ B1 Volume", WM8996_DSP1_RX_EQ_GAINS_1, 11, 31, 0,
eq_tlv),
SOC_SINGLE_TLV("DSP1 EQ B2 Volume", WM8996_DSP1_RX_EQ_GAINS_1, 6, 31, 0,
eq_tlv),
SOC_SINGLE_TLV("DSP1 EQ B3 Volume", WM8996_DSP1_RX_EQ_GAINS_1, 1, 31, 0,
eq_tlv),
SOC_SINGLE_TLV("DSP1 EQ B4 Volume", WM8996_DSP1_RX_EQ_GAINS_2, 11, 31, 0,
eq_tlv),
SOC_SINGLE_TLV("DSP1 EQ B5 Volume", WM8996_DSP1_RX_EQ_GAINS_2, 6, 31, 0,
eq_tlv),
SOC_SINGLE_TLV("DSP2 EQ B1 Volume", WM8996_DSP2_RX_EQ_GAINS_1, 11, 31, 0,
eq_tlv),
SOC_SINGLE_TLV("DSP2 EQ B2 Volume", WM8996_DSP2_RX_EQ_GAINS_1, 6, 31, 0,
eq_tlv),
SOC_SINGLE_TLV("DSP2 EQ B3 Volume", WM8996_DSP2_RX_EQ_GAINS_1, 1, 31, 0,
eq_tlv),
SOC_SINGLE_TLV("DSP2 EQ B4 Volume", WM8996_DSP2_RX_EQ_GAINS_2, 11, 31, 0,
eq_tlv),
SOC_SINGLE_TLV("DSP2 EQ B5 Volume", WM8996_DSP2_RX_EQ_GAINS_2, 6, 31, 0,
eq_tlv),
};
static void wm8996_bg_enable(struct snd_soc_codec *codec)
{
struct wm8996_priv *wm8996 = snd_soc_codec_get_drvdata(codec);
wm8996->bg_ena++;
if (wm8996->bg_ena == 1) {
snd_soc_update_bits(codec, WM8996_POWER_MANAGEMENT_1,
WM8996_BG_ENA, WM8996_BG_ENA);
msleep(2);
}
}
static void wm8996_bg_disable(struct snd_soc_codec *codec)
{
struct wm8996_priv *wm8996 = snd_soc_codec_get_drvdata(codec);
wm8996->bg_ena--;
if (!wm8996->bg_ena)
snd_soc_update_bits(codec, WM8996_POWER_MANAGEMENT_1,
WM8996_BG_ENA, 0);
}
static int bg_event(struct snd_soc_dapm_widget *w,
struct snd_kcontrol *kcontrol, int event)
{
struct snd_soc_codec *codec = w->codec;
int ret = 0;
switch (event) {
case SND_SOC_DAPM_PRE_PMU:
wm8996_bg_enable(codec);
break;
case SND_SOC_DAPM_POST_PMD:
wm8996_bg_disable(codec);
break;
default:
BUG();
ret = -EINVAL;
}
return ret;
}
static int cp_event(struct snd_soc_dapm_widget *w,
struct snd_kcontrol *kcontrol, int event)
{
int ret = 0;
switch (event) {
case SND_SOC_DAPM_POST_PMU:
msleep(5);
break;
default:
BUG();
ret = -EINVAL;
}
return 0;
}
static int rmv_short_event(struct snd_soc_dapm_widget *w,
struct snd_kcontrol *kcontrol, int event)
{
struct wm8996_priv *wm8996 = snd_soc_codec_get_drvdata(w->codec);
/* Record which outputs we enabled */
switch (event) {
case SND_SOC_DAPM_PRE_PMD:
wm8996->hpout_pending &= ~w->shift;
break;
case SND_SOC_DAPM_PRE_PMU:
wm8996->hpout_pending |= w->shift;
break;
default:
BUG();
return -EINVAL;
}
return 0;
}
static void wait_for_dc_servo(struct snd_soc_codec *codec, u16 mask)
{
struct i2c_client *i2c = to_i2c_client(codec->dev);
struct wm8996_priv *wm8996 = snd_soc_codec_get_drvdata(codec);
int ret;
unsigned long timeout = 200;
snd_soc_write(codec, WM8996_DC_SERVO_2, mask);
/* Use the interrupt if possible */
do {
if (i2c->irq) {
timeout = wait_for_completion_timeout(&wm8996->dcs_done,
msecs_to_jiffies(200));
if (timeout == 0)
dev_err(codec->dev, "DC servo timed out\n");
} else {
msleep(1);
timeout--;
}
ret = snd_soc_read(codec, WM8996_DC_SERVO_2);
dev_dbg(codec->dev, "DC servo state: %x\n", ret);
} while (timeout && ret & mask);
if (timeout == 0)
dev_err(codec->dev, "DC servo timed out for %x\n", mask);
else
dev_dbg(codec->dev, "DC servo complete for %x\n", mask);
}
static void wm8996_seq_notifier(struct snd_soc_dapm_context *dapm,
enum snd_soc_dapm_type event, int subseq)
{
struct snd_soc_codec *codec = container_of(dapm,
struct snd_soc_codec, dapm);
struct wm8996_priv *wm8996 = snd_soc_codec_get_drvdata(codec);
u16 val, mask;
/* Complete any pending DC servo starts */
if (wm8996->dcs_pending) {
dev_dbg(codec->dev, "Starting DC servo for %x\n",
wm8996->dcs_pending);
/* Trigger a startup sequence */
wait_for_dc_servo(codec, wm8996->dcs_pending
<< WM8996_DCS_TRIG_STARTUP_0_SHIFT);
wm8996->dcs_pending = 0;
}
if (wm8996->hpout_pending != wm8996->hpout_ena) {
dev_dbg(codec->dev, "Applying RMV_SHORTs %x->%x\n",
wm8996->hpout_ena, wm8996->hpout_pending);
val = 0;
mask = 0;
if (wm8996->hpout_pending & HPOUT1L) {
val |= WM8996_HPOUT1L_RMV_SHORT | WM8996_HPOUT1L_OUTP;
mask |= WM8996_HPOUT1L_RMV_SHORT | WM8996_HPOUT1L_OUTP;
} else {
mask |= WM8996_HPOUT1L_RMV_SHORT |
WM8996_HPOUT1L_OUTP |
WM8996_HPOUT1L_DLY;
}
if (wm8996->hpout_pending & HPOUT1R) {
val |= WM8996_HPOUT1R_RMV_SHORT | WM8996_HPOUT1R_OUTP;
mask |= WM8996_HPOUT1R_RMV_SHORT | WM8996_HPOUT1R_OUTP;
} else {
mask |= WM8996_HPOUT1R_RMV_SHORT |
WM8996_HPOUT1R_OUTP |
WM8996_HPOUT1R_DLY;
}
snd_soc_update_bits(codec, WM8996_ANALOGUE_HP_1, mask, val);
val = 0;
mask = 0;
if (wm8996->hpout_pending & HPOUT2L) {
val |= WM8996_HPOUT2L_RMV_SHORT | WM8996_HPOUT2L_OUTP;
mask |= WM8996_HPOUT2L_RMV_SHORT | WM8996_HPOUT2L_OUTP;
} else {
mask |= WM8996_HPOUT2L_RMV_SHORT |
WM8996_HPOUT2L_OUTP |
WM8996_HPOUT2L_DLY;
}
if (wm8996->hpout_pending & HPOUT2R) {
val |= WM8996_HPOUT2R_RMV_SHORT | WM8996_HPOUT2R_OUTP;
mask |= WM8996_HPOUT2R_RMV_SHORT | WM8996_HPOUT2R_OUTP;
} else {
mask |= WM8996_HPOUT2R_RMV_SHORT |
WM8996_HPOUT2R_OUTP |
WM8996_HPOUT2R_DLY;
}
snd_soc_update_bits(codec, WM8996_ANALOGUE_HP_2, mask, val);
wm8996->hpout_ena = wm8996->hpout_pending;
}
}
static int dcs_start(struct snd_soc_dapm_widget *w,
struct snd_kcontrol *kcontrol, int event)
{
struct wm8996_priv *wm8996 = snd_soc_codec_get_drvdata(w->codec);
switch (event) {
case SND_SOC_DAPM_POST_PMU:
wm8996->dcs_pending |= 1 << w->shift;
break;
default:
BUG();
return -EINVAL;
}
return 0;
}
static const char *sidetone_text[] = {
"IN1", "IN2",
};
static const struct soc_enum left_sidetone_enum =
SOC_ENUM_SINGLE(WM8996_SIDETONE, 0, 2, sidetone_text);
static const struct snd_kcontrol_new left_sidetone =
SOC_DAPM_ENUM("Left Sidetone", left_sidetone_enum);
static const struct soc_enum right_sidetone_enum =
SOC_ENUM_SINGLE(WM8996_SIDETONE, 1, 2, sidetone_text);
static const struct snd_kcontrol_new right_sidetone =
SOC_DAPM_ENUM("Right Sidetone", right_sidetone_enum);
static const char *spk_text[] = {
"DAC1L", "DAC1R", "DAC2L", "DAC2R"
};
static const struct soc_enum spkl_enum =
SOC_ENUM_SINGLE(WM8996_LEFT_PDM_SPEAKER, 0, 4, spk_text);
static const struct snd_kcontrol_new spkl_mux =
SOC_DAPM_ENUM("SPKL", spkl_enum);
static const struct soc_enum spkr_enum =
SOC_ENUM_SINGLE(WM8996_RIGHT_PDM_SPEAKER, 0, 4, spk_text);
static const struct snd_kcontrol_new spkr_mux =
SOC_DAPM_ENUM("SPKR", spkr_enum);
static const char *dsp1rx_text[] = {
"AIF1", "AIF2"
};
static const struct soc_enum dsp1rx_enum =
SOC_ENUM_SINGLE(WM8996_POWER_MANAGEMENT_8, 0, 2, dsp1rx_text);
static const struct snd_kcontrol_new dsp1rx =
SOC_DAPM_ENUM("DSP1RX", dsp1rx_enum);
static const char *dsp2rx_text[] = {
"AIF2", "AIF1"
};
static const struct soc_enum dsp2rx_enum =
SOC_ENUM_SINGLE(WM8996_POWER_MANAGEMENT_8, 4, 2, dsp2rx_text);
static const struct snd_kcontrol_new dsp2rx =
SOC_DAPM_ENUM("DSP2RX", dsp2rx_enum);
static const char *aif2tx_text[] = {
"DSP2", "DSP1", "AIF1"
};
static const struct soc_enum aif2tx_enum =
SOC_ENUM_SINGLE(WM8996_POWER_MANAGEMENT_8, 6, 3, aif2tx_text);
static const struct snd_kcontrol_new aif2tx =
SOC_DAPM_ENUM("AIF2TX", aif2tx_enum);
static const char *inmux_text[] = {
"ADC", "DMIC1", "DMIC2"
};
static const struct soc_enum in1_enum =
SOC_ENUM_SINGLE(WM8996_POWER_MANAGEMENT_7, 0, 3, inmux_text);
static const struct snd_kcontrol_new in1_mux =
SOC_DAPM_ENUM("IN1 Mux", in1_enum);
static const struct soc_enum in2_enum =
SOC_ENUM_SINGLE(WM8996_POWER_MANAGEMENT_7, 4, 3, inmux_text);
static const struct snd_kcontrol_new in2_mux =
SOC_DAPM_ENUM("IN2 Mux", in2_enum);
static const struct snd_kcontrol_new dac2r_mix[] = {
SOC_DAPM_SINGLE("Right Sidetone Switch", WM8996_DAC2_RIGHT_MIXER_ROUTING,
5, 1, 0),
SOC_DAPM_SINGLE("Left Sidetone Switch", WM8996_DAC2_RIGHT_MIXER_ROUTING,
4, 1, 0),
SOC_DAPM_SINGLE("DSP2 Switch", WM8996_DAC2_RIGHT_MIXER_ROUTING, 1, 1, 0),
SOC_DAPM_SINGLE("DSP1 Switch", WM8996_DAC2_RIGHT_MIXER_ROUTING, 0, 1, 0),
};
static const struct snd_kcontrol_new dac2l_mix[] = {
SOC_DAPM_SINGLE("Right Sidetone Switch", WM8996_DAC2_LEFT_MIXER_ROUTING,
5, 1, 0),
SOC_DAPM_SINGLE("Left Sidetone Switch", WM8996_DAC2_LEFT_MIXER_ROUTING,
4, 1, 0),
SOC_DAPM_SINGLE("DSP2 Switch", WM8996_DAC2_LEFT_MIXER_ROUTING, 1, 1, 0),
SOC_DAPM_SINGLE("DSP1 Switch", WM8996_DAC2_LEFT_MIXER_ROUTING, 0, 1, 0),
};
static const struct snd_kcontrol_new dac1r_mix[] = {
SOC_DAPM_SINGLE("Right Sidetone Switch", WM8996_DAC1_RIGHT_MIXER_ROUTING,
5, 1, 0),
SOC_DAPM_SINGLE("Left Sidetone Switch", WM8996_DAC1_RIGHT_MIXER_ROUTING,
4, 1, 0),
SOC_DAPM_SINGLE("DSP2 Switch", WM8996_DAC1_RIGHT_MIXER_ROUTING, 1, 1, 0),
SOC_DAPM_SINGLE("DSP1 Switch", WM8996_DAC1_RIGHT_MIXER_ROUTING, 0, 1, 0),
};
static const struct snd_kcontrol_new dac1l_mix[] = {
SOC_DAPM_SINGLE("Right Sidetone Switch", WM8996_DAC1_LEFT_MIXER_ROUTING,
5, 1, 0),
SOC_DAPM_SINGLE("Left Sidetone Switch", WM8996_DAC1_LEFT_MIXER_ROUTING,
4, 1, 0),
SOC_DAPM_SINGLE("DSP2 Switch", WM8996_DAC1_LEFT_MIXER_ROUTING, 1, 1, 0),
SOC_DAPM_SINGLE("DSP1 Switch", WM8996_DAC1_LEFT_MIXER_ROUTING, 0, 1, 0),
};
static const struct snd_kcontrol_new dsp1txl[] = {
SOC_DAPM_SINGLE("IN1 Switch", WM8996_DSP1_TX_LEFT_MIXER_ROUTING,
1, 1, 0),
SOC_DAPM_SINGLE("DAC Switch", WM8996_DSP1_TX_LEFT_MIXER_ROUTING,
0, 1, 0),
};
static const struct snd_kcontrol_new dsp1txr[] = {
SOC_DAPM_SINGLE("IN1 Switch", WM8996_DSP1_TX_RIGHT_MIXER_ROUTING,
1, 1, 0),
SOC_DAPM_SINGLE("DAC Switch", WM8996_DSP1_TX_RIGHT_MIXER_ROUTING,
0, 1, 0),
};
static const struct snd_kcontrol_new dsp2txl[] = {
SOC_DAPM_SINGLE("IN1 Switch", WM8996_DSP2_TX_LEFT_MIXER_ROUTING,
1, 1, 0),
SOC_DAPM_SINGLE("DAC Switch", WM8996_DSP2_TX_LEFT_MIXER_ROUTING,
0, 1, 0),
};
static const struct snd_kcontrol_new dsp2txr[] = {
SOC_DAPM_SINGLE("IN1 Switch", WM8996_DSP2_TX_RIGHT_MIXER_ROUTING,
1, 1, 0),
SOC_DAPM_SINGLE("DAC Switch", WM8996_DSP2_TX_RIGHT_MIXER_ROUTING,
0, 1, 0),
};
static const struct snd_soc_dapm_widget wm8996_dapm_widgets[] = {
SND_SOC_DAPM_INPUT("IN1LN"),
SND_SOC_DAPM_INPUT("IN1LP"),
SND_SOC_DAPM_INPUT("IN1RN"),
SND_SOC_DAPM_INPUT("IN1RP"),
SND_SOC_DAPM_INPUT("IN2LN"),
SND_SOC_DAPM_INPUT("IN2LP"),
SND_SOC_DAPM_INPUT("IN2RN"),
SND_SOC_DAPM_INPUT("IN2RP"),
SND_SOC_DAPM_INPUT("DMIC1DAT"),
SND_SOC_DAPM_INPUT("DMIC2DAT"),
SND_SOC_DAPM_REGULATOR_SUPPLY("CPVDD", 20, 0),
SND_SOC_DAPM_SUPPLY_S("SYSCLK", 1, WM8996_AIF_CLOCKING_1, 0, 0, NULL, 0),
SND_SOC_DAPM_SUPPLY_S("SYSDSPCLK", 2, WM8996_CLOCKING_1, 1, 0, NULL, 0),
SND_SOC_DAPM_SUPPLY_S("AIFCLK", 2, WM8996_CLOCKING_1, 2, 0, NULL, 0),
SND_SOC_DAPM_SUPPLY_S("Charge Pump", 2, WM8996_CHARGE_PUMP_1, 15, 0, cp_event,
SND_SOC_DAPM_POST_PMU),
SND_SOC_DAPM_SUPPLY("Bandgap", SND_SOC_NOPM, 0, 0, bg_event,
SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD),
SND_SOC_DAPM_SUPPLY("LDO2", WM8996_POWER_MANAGEMENT_2, 1, 0, NULL, 0),
SND_SOC_DAPM_SUPPLY("MICB1 Audio", WM8996_MICBIAS_1, 4, 1, NULL, 0),
SND_SOC_DAPM_SUPPLY("MICB2 Audio", WM8996_MICBIAS_2, 4, 1, NULL, 0),
SND_SOC_DAPM_MICBIAS("MICB2", WM8996_POWER_MANAGEMENT_1, 9, 0),
SND_SOC_DAPM_MICBIAS("MICB1", WM8996_POWER_MANAGEMENT_1, 8, 0),
SND_SOC_DAPM_PGA("IN1L PGA", WM8996_POWER_MANAGEMENT_2, 5, 0, NULL, 0),
SND_SOC_DAPM_PGA("IN1R PGA", WM8996_POWER_MANAGEMENT_2, 4, 0, NULL, 0),
SND_SOC_DAPM_MUX("IN1L Mux", WM8996_POWER_MANAGEMENT_7, 2, 0, &in1_mux),
SND_SOC_DAPM_MUX("IN1R Mux", WM8996_POWER_MANAGEMENT_7, 3, 0, &in1_mux),
SND_SOC_DAPM_MUX("IN2L Mux", WM8996_POWER_MANAGEMENT_7, 6, 0, &in2_mux),
SND_SOC_DAPM_MUX("IN2R Mux", WM8996_POWER_MANAGEMENT_7, 7, 0, &in2_mux),
SND_SOC_DAPM_SUPPLY("DMIC2", WM8996_POWER_MANAGEMENT_7, 9, 0, NULL, 0),
SND_SOC_DAPM_SUPPLY("DMIC1", WM8996_POWER_MANAGEMENT_7, 8, 0, NULL, 0),
SND_SOC_DAPM_ADC("DMIC2L", NULL, WM8996_POWER_MANAGEMENT_3, 5, 0),
SND_SOC_DAPM_ADC("DMIC2R", NULL, WM8996_POWER_MANAGEMENT_3, 4, 0),
SND_SOC_DAPM_ADC("DMIC1L", NULL, WM8996_POWER_MANAGEMENT_3, 3, 0),
SND_SOC_DAPM_ADC("DMIC1R", NULL, WM8996_POWER_MANAGEMENT_3, 2, 0),
SND_SOC_DAPM_ADC("ADCL", NULL, WM8996_POWER_MANAGEMENT_3, 1, 0),
SND_SOC_DAPM_ADC("ADCR", NULL, WM8996_POWER_MANAGEMENT_3, 0, 0),
SND_SOC_DAPM_MUX("Left Sidetone", SND_SOC_NOPM, 0, 0, &left_sidetone),
SND_SOC_DAPM_MUX("Right Sidetone", SND_SOC_NOPM, 0, 0, &right_sidetone),
SND_SOC_DAPM_AIF_IN("DSP2RXL", NULL, 0, WM8996_POWER_MANAGEMENT_3, 11, 0),
SND_SOC_DAPM_AIF_IN("DSP2RXR", NULL, 1, WM8996_POWER_MANAGEMENT_3, 10, 0),
SND_SOC_DAPM_AIF_IN("DSP1RXL", NULL, 0, WM8996_POWER_MANAGEMENT_3, 9, 0),
SND_SOC_DAPM_AIF_IN("DSP1RXR", NULL, 1, WM8996_POWER_MANAGEMENT_3, 8, 0),
SND_SOC_DAPM_MIXER("DSP2TXL", WM8996_POWER_MANAGEMENT_5, 11, 0,
dsp2txl, ARRAY_SIZE(dsp2txl)),
SND_SOC_DAPM_MIXER("DSP2TXR", WM8996_POWER_MANAGEMENT_5, 10, 0,
dsp2txr, ARRAY_SIZE(dsp2txr)),
SND_SOC_DAPM_MIXER("DSP1TXL", WM8996_POWER_MANAGEMENT_5, 9, 0,
dsp1txl, ARRAY_SIZE(dsp1txl)),
SND_SOC_DAPM_MIXER("DSP1TXR", WM8996_POWER_MANAGEMENT_5, 8, 0,
dsp1txr, ARRAY_SIZE(dsp1txr)),
SND_SOC_DAPM_MIXER("DAC2L Mixer", SND_SOC_NOPM, 0, 0,
dac2l_mix, ARRAY_SIZE(dac2l_mix)),
SND_SOC_DAPM_MIXER("DAC2R Mixer", SND_SOC_NOPM, 0, 0,
dac2r_mix, ARRAY_SIZE(dac2r_mix)),
SND_SOC_DAPM_MIXER("DAC1L Mixer", SND_SOC_NOPM, 0, 0,
dac1l_mix, ARRAY_SIZE(dac1l_mix)),
SND_SOC_DAPM_MIXER("DAC1R Mixer", SND_SOC_NOPM, 0, 0,
dac1r_mix, ARRAY_SIZE(dac1r_mix)),
SND_SOC_DAPM_DAC("DAC2L", NULL, WM8996_POWER_MANAGEMENT_5, 3, 0),
SND_SOC_DAPM_DAC("DAC2R", NULL, WM8996_POWER_MANAGEMENT_5, 2, 0),
SND_SOC_DAPM_DAC("DAC1L", NULL, WM8996_POWER_MANAGEMENT_5, 1, 0),
SND_SOC_DAPM_DAC("DAC1R", NULL, WM8996_POWER_MANAGEMENT_5, 0, 0),
SND_SOC_DAPM_AIF_IN("AIF2RX1", NULL, 0, WM8996_POWER_MANAGEMENT_4, 9, 0),
SND_SOC_DAPM_AIF_IN("AIF2RX0", NULL, 1, WM8996_POWER_MANAGEMENT_4, 8, 0),
SND_SOC_DAPM_AIF_OUT("AIF2TX1", NULL, 0, WM8996_POWER_MANAGEMENT_6, 9, 0),
SND_SOC_DAPM_AIF_OUT("AIF2TX0", NULL, 1, WM8996_POWER_MANAGEMENT_6, 8, 0),
SND_SOC_DAPM_AIF_IN("AIF1RX5", NULL, 5, WM8996_POWER_MANAGEMENT_4, 5, 0),
SND_SOC_DAPM_AIF_IN("AIF1RX4", NULL, 4, WM8996_POWER_MANAGEMENT_4, 4, 0),
SND_SOC_DAPM_AIF_IN("AIF1RX3", NULL, 3, WM8996_POWER_MANAGEMENT_4, 3, 0),
SND_SOC_DAPM_AIF_IN("AIF1RX2", NULL, 2, WM8996_POWER_MANAGEMENT_4, 2, 0),
SND_SOC_DAPM_AIF_IN("AIF1RX1", NULL, 1, WM8996_POWER_MANAGEMENT_4, 1, 0),
SND_SOC_DAPM_AIF_IN("AIF1RX0", NULL, 0, WM8996_POWER_MANAGEMENT_4, 0, 0),
SND_SOC_DAPM_AIF_OUT("AIF1TX5", NULL, 5, WM8996_POWER_MANAGEMENT_6, 5, 0),
SND_SOC_DAPM_AIF_OUT("AIF1TX4", NULL, 4, WM8996_POWER_MANAGEMENT_6, 4, 0),
SND_SOC_DAPM_AIF_OUT("AIF1TX3", NULL, 3, WM8996_POWER_MANAGEMENT_6, 3, 0),
SND_SOC_DAPM_AIF_OUT("AIF1TX2", NULL, 2, WM8996_POWER_MANAGEMENT_6, 2, 0),
SND_SOC_DAPM_AIF_OUT("AIF1TX1", NULL, 1, WM8996_POWER_MANAGEMENT_6, 1, 0),
SND_SOC_DAPM_AIF_OUT("AIF1TX0", NULL, 0, WM8996_POWER_MANAGEMENT_6, 0, 0),
/* We route as stereo pairs so define some dummy widgets to squash
* things down for now. RXA = 0,1, RXB = 2,3 and so on */
SND_SOC_DAPM_PGA("AIF1RXA", SND_SOC_NOPM, 0, 0, NULL, 0),
SND_SOC_DAPM_PGA("AIF1RXB", SND_SOC_NOPM, 0, 0, NULL, 0),
SND_SOC_DAPM_PGA("AIF1RXC", SND_SOC_NOPM, 0, 0, NULL, 0),
SND_SOC_DAPM_PGA("AIF2RX", SND_SOC_NOPM, 0, 0, NULL, 0),
SND_SOC_DAPM_PGA("DSP2TX", SND_SOC_NOPM, 0, 0, NULL, 0),
SND_SOC_DAPM_MUX("DSP1RX", SND_SOC_NOPM, 0, 0, &dsp1rx),
SND_SOC_DAPM_MUX("DSP2RX", SND_SOC_NOPM, 0, 0, &dsp2rx),
SND_SOC_DAPM_MUX("AIF2TX", SND_SOC_NOPM, 0, 0, &aif2tx),
SND_SOC_DAPM_MUX("SPKL", SND_SOC_NOPM, 0, 0, &spkl_mux),
SND_SOC_DAPM_MUX("SPKR", SND_SOC_NOPM, 0, 0, &spkr_mux),
SND_SOC_DAPM_PGA("SPKL PGA", WM8996_LEFT_PDM_SPEAKER, 4, 0, NULL, 0),
SND_SOC_DAPM_PGA("SPKR PGA", WM8996_RIGHT_PDM_SPEAKER, 4, 0, NULL, 0),
SND_SOC_DAPM_PGA_S("HPOUT2L PGA", 0, WM8996_POWER_MANAGEMENT_1, 7, 0, NULL, 0),
SND_SOC_DAPM_PGA_S("HPOUT2L_DLY", 1, WM8996_ANALOGUE_HP_2, 5, 0, NULL, 0),
SND_SOC_DAPM_PGA_S("HPOUT2L_DCS", 2, WM8996_DC_SERVO_1, 2, 0, dcs_start,
SND_SOC_DAPM_POST_PMU),
SND_SOC_DAPM_PGA_S("HPOUT2L_RMV_SHORT", 3, SND_SOC_NOPM, HPOUT2L, 0,
rmv_short_event,
SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_PRE_PMD),
SND_SOC_DAPM_PGA_S("HPOUT2R PGA", 0, WM8996_POWER_MANAGEMENT_1, 6, 0,NULL, 0),
SND_SOC_DAPM_PGA_S("HPOUT2R_DLY", 1, WM8996_ANALOGUE_HP_2, 1, 0, NULL, 0),
SND_SOC_DAPM_PGA_S("HPOUT2R_DCS", 2, WM8996_DC_SERVO_1, 3, 0, dcs_start,
SND_SOC_DAPM_POST_PMU),
SND_SOC_DAPM_PGA_S("HPOUT2R_RMV_SHORT", 3, SND_SOC_NOPM, HPOUT2R, 0,
rmv_short_event,
SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_PRE_PMD),
SND_SOC_DAPM_PGA_S("HPOUT1L PGA", 0, WM8996_POWER_MANAGEMENT_1, 5, 0, NULL, 0),
SND_SOC_DAPM_PGA_S("HPOUT1L_DLY", 1, WM8996_ANALOGUE_HP_1, 5, 0, NULL, 0),
SND_SOC_DAPM_PGA_S("HPOUT1L_DCS", 2, WM8996_DC_SERVO_1, 0, 0, dcs_start,
SND_SOC_DAPM_POST_PMU),
SND_SOC_DAPM_PGA_S("HPOUT1L_RMV_SHORT", 3, SND_SOC_NOPM, HPOUT1L, 0,
rmv_short_event,
SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_PRE_PMD),
SND_SOC_DAPM_PGA_S("HPOUT1R PGA", 0, WM8996_POWER_MANAGEMENT_1, 4, 0, NULL, 0),
SND_SOC_DAPM_PGA_S("HPOUT1R_DLY", 1, WM8996_ANALOGUE_HP_1, 1, 0, NULL, 0),
SND_SOC_DAPM_PGA_S("HPOUT1R_DCS", 2, WM8996_DC_SERVO_1, 1, 0, dcs_start,
SND_SOC_DAPM_POST_PMU),
SND_SOC_DAPM_PGA_S("HPOUT1R_RMV_SHORT", 3, SND_SOC_NOPM, HPOUT1R, 0,
rmv_short_event,
SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_PRE_PMD),
SND_SOC_DAPM_OUTPUT("HPOUT1L"),
SND_SOC_DAPM_OUTPUT("HPOUT1R"),
SND_SOC_DAPM_OUTPUT("HPOUT2L"),
SND_SOC_DAPM_OUTPUT("HPOUT2R"),
SND_SOC_DAPM_OUTPUT("SPKDAT"),
};
static const struct snd_soc_dapm_route wm8996_dapm_routes[] = {
{ "AIFCLK", NULL, "SYSCLK" },
{ "SYSDSPCLK", NULL, "SYSCLK" },
{ "Charge Pump", NULL, "SYSCLK" },
{ "Charge Pump", NULL, "CPVDD" },
{ "MICB1", NULL, "LDO2" },
{ "MICB1", NULL, "MICB1 Audio" },
{ "MICB1", NULL, "Bandgap" },
{ "MICB2", NULL, "LDO2" },
{ "MICB2", NULL, "MICB2 Audio" },
{ "MICB2", NULL, "Bandgap" },
{ "AIF1RX0", NULL, "AIF1 Playback" },
{ "AIF1RX1", NULL, "AIF1 Playback" },
{ "AIF1RX2", NULL, "AIF1 Playback" },
{ "AIF1RX3", NULL, "AIF1 Playback" },
{ "AIF1RX4", NULL, "AIF1 Playback" },
{ "AIF1RX5", NULL, "AIF1 Playback" },
{ "AIF2RX0", NULL, "AIF2 Playback" },
{ "AIF2RX1", NULL, "AIF2 Playback" },
{ "AIF1 Capture", NULL, "AIF1TX0" },
{ "AIF1 Capture", NULL, "AIF1TX1" },
{ "AIF1 Capture", NULL, "AIF1TX2" },
{ "AIF1 Capture", NULL, "AIF1TX3" },
{ "AIF1 Capture", NULL, "AIF1TX4" },
{ "AIF1 Capture", NULL, "AIF1TX5" },
{ "AIF2 Capture", NULL, "AIF2TX0" },
{ "AIF2 Capture", NULL, "AIF2TX1" },
{ "IN1L PGA", NULL, "IN2LN" },
{ "IN1L PGA", NULL, "IN2LP" },
{ "IN1L PGA", NULL, "IN1LN" },
{ "IN1L PGA", NULL, "IN1LP" },
{ "IN1L PGA", NULL, "Bandgap" },
{ "IN1R PGA", NULL, "IN2RN" },
{ "IN1R PGA", NULL, "IN2RP" },
{ "IN1R PGA", NULL, "IN1RN" },
{ "IN1R PGA", NULL, "IN1RP" },
{ "IN1R PGA", NULL, "Bandgap" },
{ "ADCL", NULL, "IN1L PGA" },
{ "ADCR", NULL, "IN1R PGA" },
{ "DMIC1L", NULL, "DMIC1DAT" },
{ "DMIC1R", NULL, "DMIC1DAT" },
{ "DMIC2L", NULL, "DMIC2DAT" },
{ "DMIC2R", NULL, "DMIC2DAT" },
{ "DMIC2L", NULL, "DMIC2" },
{ "DMIC2R", NULL, "DMIC2" },
{ "DMIC1L", NULL, "DMIC1" },
{ "DMIC1R", NULL, "DMIC1" },
{ "IN1L Mux", "ADC", "ADCL" },
{ "IN1L Mux", "DMIC1", "DMIC1L" },
{ "IN1L Mux", "DMIC2", "DMIC2L" },
{ "IN1R Mux", "ADC", "ADCR" },
{ "IN1R Mux", "DMIC1", "DMIC1R" },
{ "IN1R Mux", "DMIC2", "DMIC2R" },
{ "IN2L Mux", "ADC", "ADCL" },
{ "IN2L Mux", "DMIC1", "DMIC1L" },
{ "IN2L Mux", "DMIC2", "DMIC2L" },
{ "IN2R Mux", "ADC", "ADCR" },
{ "IN2R Mux", "DMIC1", "DMIC1R" },
{ "IN2R Mux", "DMIC2", "DMIC2R" },
{ "Left Sidetone", "IN1", "IN1L Mux" },
{ "Left Sidetone", "IN2", "IN2L Mux" },
{ "Right Sidetone", "IN1", "IN1R Mux" },
{ "Right Sidetone", "IN2", "IN2R Mux" },
{ "DSP1TXL", "IN1 Switch", "IN1L Mux" },
{ "DSP1TXR", "IN1 Switch", "IN1R Mux" },
{ "DSP2TXL", "IN1 Switch", "IN2L Mux" },
{ "DSP2TXR", "IN1 Switch", "IN2R Mux" },
{ "AIF1TX0", NULL, "DSP1TXL" },
{ "AIF1TX1", NULL, "DSP1TXR" },
{ "AIF1TX2", NULL, "DSP2TXL" },
{ "AIF1TX3", NULL, "DSP2TXR" },
{ "AIF1TX4", NULL, "AIF2RX0" },
{ "AIF1TX5", NULL, "AIF2RX1" },
{ "AIF1RX0", NULL, "AIFCLK" },
{ "AIF1RX1", NULL, "AIFCLK" },
{ "AIF1RX2", NULL, "AIFCLK" },
{ "AIF1RX3", NULL, "AIFCLK" },
{ "AIF1RX4", NULL, "AIFCLK" },
{ "AIF1RX5", NULL, "AIFCLK" },
{ "AIF2RX0", NULL, "AIFCLK" },
{ "AIF2RX1", NULL, "AIFCLK" },
{ "AIF1TX0", NULL, "AIFCLK" },
{ "AIF1TX1", NULL, "AIFCLK" },
{ "AIF1TX2", NULL, "AIFCLK" },
{ "AIF1TX3", NULL, "AIFCLK" },
{ "AIF1TX4", NULL, "AIFCLK" },
{ "AIF1TX5", NULL, "AIFCLK" },
{ "AIF2TX0", NULL, "AIFCLK" },
{ "AIF2TX1", NULL, "AIFCLK" },
{ "DSP1RXL", NULL, "SYSDSPCLK" },
{ "DSP1RXR", NULL, "SYSDSPCLK" },
{ "DSP2RXL", NULL, "SYSDSPCLK" },
{ "DSP2RXR", NULL, "SYSDSPCLK" },
{ "DSP1TXL", NULL, "SYSDSPCLK" },
{ "DSP1TXR", NULL, "SYSDSPCLK" },
{ "DSP2TXL", NULL, "SYSDSPCLK" },
{ "DSP2TXR", NULL, "SYSDSPCLK" },
{ "AIF1RXA", NULL, "AIF1RX0" },
{ "AIF1RXA", NULL, "AIF1RX1" },
{ "AIF1RXB", NULL, "AIF1RX2" },
{ "AIF1RXB", NULL, "AIF1RX3" },
{ "AIF1RXC", NULL, "AIF1RX4" },
{ "AIF1RXC", NULL, "AIF1RX5" },
{ "AIF2RX", NULL, "AIF2RX0" },
{ "AIF2RX", NULL, "AIF2RX1" },
{ "AIF2TX", "DSP2", "DSP2TX" },
{ "AIF2TX", "DSP1", "DSP1RX" },
{ "AIF2TX", "AIF1", "AIF1RXC" },
{ "DSP1RXL", NULL, "DSP1RX" },
{ "DSP1RXR", NULL, "DSP1RX" },
{ "DSP2RXL", NULL, "DSP2RX" },
{ "DSP2RXR", NULL, "DSP2RX" },
{ "DSP2TX", NULL, "DSP2TXL" },
{ "DSP2TX", NULL, "DSP2TXR" },
{ "DSP1RX", "AIF1", "AIF1RXA" },
{ "DSP1RX", "AIF2", "AIF2RX" },
{ "DSP2RX", "AIF1", "AIF1RXB" },
{ "DSP2RX", "AIF2", "AIF2RX" },
{ "DAC2L Mixer", "DSP2 Switch", "DSP2RXL" },
{ "DAC2L Mixer", "DSP1 Switch", "DSP1RXL" },
{ "DAC2L Mixer", "Right Sidetone Switch", "Right Sidetone" },
{ "DAC2L Mixer", "Left Sidetone Switch", "Left Sidetone" },
{ "DAC2R Mixer", "DSP2 Switch", "DSP2RXR" },
{ "DAC2R Mixer", "DSP1 Switch", "DSP1RXR" },
{ "DAC2R Mixer", "Right Sidetone Switch", "Right Sidetone" },
{ "DAC2R Mixer", "Left Sidetone Switch", "Left Sidetone" },
{ "DAC1L Mixer", "DSP2 Switch", "DSP2RXL" },
{ "DAC1L Mixer", "DSP1 Switch", "DSP1RXL" },
{ "DAC1L Mixer", "Right Sidetone Switch", "Right Sidetone" },
{ "DAC1L Mixer", "Left Sidetone Switch", "Left Sidetone" },
{ "DAC1R Mixer", "DSP2 Switch", "DSP2RXR" },
{ "DAC1R Mixer", "DSP1 Switch", "DSP1RXR" },
{ "DAC1R Mixer", "Right Sidetone Switch", "Right Sidetone" },
{ "DAC1R Mixer", "Left Sidetone Switch", "Left Sidetone" },
{ "DAC1L", NULL, "DAC1L Mixer" },
{ "DAC1R", NULL, "DAC1R Mixer" },
{ "DAC2L", NULL, "DAC2L Mixer" },
{ "DAC2R", NULL, "DAC2R Mixer" },
{ "HPOUT2L PGA", NULL, "Charge Pump" },
{ "HPOUT2L PGA", NULL, "Bandgap" },
{ "HPOUT2L PGA", NULL, "DAC2L" },
{ "HPOUT2L_DLY", NULL, "HPOUT2L PGA" },
{ "HPOUT2L_DCS", NULL, "HPOUT2L_DLY" },
{ "HPOUT2L_RMV_SHORT", NULL, "HPOUT2L_DCS" },
{ "HPOUT2R PGA", NULL, "Charge Pump" },
{ "HPOUT2R PGA", NULL, "Bandgap" },
{ "HPOUT2R PGA", NULL, "DAC2R" },
{ "HPOUT2R_DLY", NULL, "HPOUT2R PGA" },
{ "HPOUT2R_DCS", NULL, "HPOUT2R_DLY" },
{ "HPOUT2R_RMV_SHORT", NULL, "HPOUT2R_DCS" },
{ "HPOUT1L PGA", NULL, "Charge Pump" },
{ "HPOUT1L PGA", NULL, "Bandgap" },
{ "HPOUT1L PGA", NULL, "DAC1L" },
{ "HPOUT1L_DLY", NULL, "HPOUT1L PGA" },
{ "HPOUT1L_DCS", NULL, "HPOUT1L_DLY" },
{ "HPOUT1L_RMV_SHORT", NULL, "HPOUT1L_DCS" },
{ "HPOUT1R PGA", NULL, "Charge Pump" },
{ "HPOUT1R PGA", NULL, "Bandgap" },
{ "HPOUT1R PGA", NULL, "DAC1R" },
{ "HPOUT1R_DLY", NULL, "HPOUT1R PGA" },
{ "HPOUT1R_DCS", NULL, "HPOUT1R_DLY" },
{ "HPOUT1R_RMV_SHORT", NULL, "HPOUT1R_DCS" },
{ "HPOUT2L", NULL, "HPOUT2L_RMV_SHORT" },
{ "HPOUT2R", NULL, "HPOUT2R_RMV_SHORT" },
{ "HPOUT1L", NULL, "HPOUT1L_RMV_SHORT" },
{ "HPOUT1R", NULL, "HPOUT1R_RMV_SHORT" },
{ "SPKL", "DAC1L", "DAC1L" },
{ "SPKL", "DAC1R", "DAC1R" },
{ "SPKL", "DAC2L", "DAC2L" },
{ "SPKL", "DAC2R", "DAC2R" },
{ "SPKR", "DAC1L", "DAC1L" },
{ "SPKR", "DAC1R", "DAC1R" },
{ "SPKR", "DAC2L", "DAC2L" },
{ "SPKR", "DAC2R", "DAC2R" },
{ "SPKL PGA", NULL, "SPKL" },
{ "SPKR PGA", NULL, "SPKR" },
{ "SPKDAT", NULL, "SPKL PGA" },
{ "SPKDAT", NULL, "SPKR PGA" },
};
static bool wm8996_readable_register(struct device *dev, unsigned int reg)
{
/* Due to the sparseness of the register map the compiler
* output from an explicit switch statement ends up being much
* more efficient than a table.
*/
switch (reg) {
case WM8996_SOFTWARE_RESET:
case WM8996_POWER_MANAGEMENT_1:
case WM8996_POWER_MANAGEMENT_2:
case WM8996_POWER_MANAGEMENT_3:
case WM8996_POWER_MANAGEMENT_4:
case WM8996_POWER_MANAGEMENT_5:
case WM8996_POWER_MANAGEMENT_6:
case WM8996_POWER_MANAGEMENT_7:
case WM8996_POWER_MANAGEMENT_8:
case WM8996_LEFT_LINE_INPUT_VOLUME:
case WM8996_RIGHT_LINE_INPUT_VOLUME:
case WM8996_LINE_INPUT_CONTROL:
case WM8996_DAC1_HPOUT1_VOLUME:
case WM8996_DAC2_HPOUT2_VOLUME:
case WM8996_DAC1_LEFT_VOLUME:
case WM8996_DAC1_RIGHT_VOLUME:
case WM8996_DAC2_LEFT_VOLUME:
case WM8996_DAC2_RIGHT_VOLUME:
case WM8996_OUTPUT1_LEFT_VOLUME:
case WM8996_OUTPUT1_RIGHT_VOLUME:
case WM8996_OUTPUT2_LEFT_VOLUME:
case WM8996_OUTPUT2_RIGHT_VOLUME:
case WM8996_MICBIAS_1:
case WM8996_MICBIAS_2:
case WM8996_LDO_1:
case WM8996_LDO_2:
case WM8996_ACCESSORY_DETECT_MODE_1:
case WM8996_ACCESSORY_DETECT_MODE_2:
case WM8996_HEADPHONE_DETECT_1:
case WM8996_HEADPHONE_DETECT_2:
case WM8996_MIC_DETECT_1:
case WM8996_MIC_DETECT_2:
case WM8996_MIC_DETECT_3:
case WM8996_CHARGE_PUMP_1:
case WM8996_CHARGE_PUMP_2:
case WM8996_DC_SERVO_1:
case WM8996_DC_SERVO_2:
case WM8996_DC_SERVO_3:
case WM8996_DC_SERVO_5:
case WM8996_DC_SERVO_6:
case WM8996_DC_SERVO_7:
case WM8996_DC_SERVO_READBACK_0:
case WM8996_ANALOGUE_HP_1:
case WM8996_ANALOGUE_HP_2:
case WM8996_CHIP_REVISION:
case WM8996_CONTROL_INTERFACE_1:
case WM8996_WRITE_SEQUENCER_CTRL_1:
case WM8996_WRITE_SEQUENCER_CTRL_2:
case WM8996_AIF_CLOCKING_1:
case WM8996_AIF_CLOCKING_2:
case WM8996_CLOCKING_1:
case WM8996_CLOCKING_2:
case WM8996_AIF_RATE:
case WM8996_FLL_CONTROL_1:
case WM8996_FLL_CONTROL_2:
case WM8996_FLL_CONTROL_3:
case WM8996_FLL_CONTROL_4:
case WM8996_FLL_CONTROL_5:
case WM8996_FLL_CONTROL_6:
case WM8996_FLL_EFS_1:
case WM8996_FLL_EFS_2:
case WM8996_AIF1_CONTROL:
case WM8996_AIF1_BCLK:
case WM8996_AIF1_TX_LRCLK_1:
case WM8996_AIF1_TX_LRCLK_2:
case WM8996_AIF1_RX_LRCLK_1:
case WM8996_AIF1_RX_LRCLK_2:
case WM8996_AIF1TX_DATA_CONFIGURATION_1:
case WM8996_AIF1TX_DATA_CONFIGURATION_2:
case WM8996_AIF1RX_DATA_CONFIGURATION:
case WM8996_AIF1TX_CHANNEL_0_CONFIGURATION:
case WM8996_AIF1TX_CHANNEL_1_CONFIGURATION:
case WM8996_AIF1TX_CHANNEL_2_CONFIGURATION:
case WM8996_AIF1TX_CHANNEL_3_CONFIGURATION:
case WM8996_AIF1TX_CHANNEL_4_CONFIGURATION:
case WM8996_AIF1TX_CHANNEL_5_CONFIGURATION:
case WM8996_AIF1RX_CHANNEL_0_CONFIGURATION:
case WM8996_AIF1RX_CHANNEL_1_CONFIGURATION:
case WM8996_AIF1RX_CHANNEL_2_CONFIGURATION:
case WM8996_AIF1RX_CHANNEL_3_CONFIGURATION:
case WM8996_AIF1RX_CHANNEL_4_CONFIGURATION:
case WM8996_AIF1RX_CHANNEL_5_CONFIGURATION:
case WM8996_AIF1RX_MONO_CONFIGURATION:
case WM8996_AIF1TX_TEST:
case WM8996_AIF2_CONTROL:
case WM8996_AIF2_BCLK:
case WM8996_AIF2_TX_LRCLK_1:
case WM8996_AIF2_TX_LRCLK_2:
case WM8996_AIF2_RX_LRCLK_1:
case WM8996_AIF2_RX_LRCLK_2:
case WM8996_AIF2TX_DATA_CONFIGURATION_1:
case WM8996_AIF2TX_DATA_CONFIGURATION_2:
case WM8996_AIF2RX_DATA_CONFIGURATION:
case WM8996_AIF2TX_CHANNEL_0_CONFIGURATION:
case WM8996_AIF2TX_CHANNEL_1_CONFIGURATION:
case WM8996_AIF2RX_CHANNEL_0_CONFIGURATION:
case WM8996_AIF2RX_CHANNEL_1_CONFIGURATION:
case WM8996_AIF2RX_MONO_CONFIGURATION:
case WM8996_AIF2TX_TEST:
case WM8996_DSP1_TX_LEFT_VOLUME:
case WM8996_DSP1_TX_RIGHT_VOLUME:
case WM8996_DSP1_RX_LEFT_VOLUME:
case WM8996_DSP1_RX_RIGHT_VOLUME:
case WM8996_DSP1_TX_FILTERS:
case WM8996_DSP1_RX_FILTERS_1:
case WM8996_DSP1_RX_FILTERS_2:
case WM8996_DSP1_DRC_1:
case WM8996_DSP1_DRC_2:
case WM8996_DSP1_DRC_3:
case WM8996_DSP1_DRC_4:
case WM8996_DSP1_DRC_5:
case WM8996_DSP1_RX_EQ_GAINS_1:
case WM8996_DSP1_RX_EQ_GAINS_2:
case WM8996_DSP1_RX_EQ_BAND_1_A:
case WM8996_DSP1_RX_EQ_BAND_1_B:
case WM8996_DSP1_RX_EQ_BAND_1_PG:
case WM8996_DSP1_RX_EQ_BAND_2_A:
case WM8996_DSP1_RX_EQ_BAND_2_B:
case WM8996_DSP1_RX_EQ_BAND_2_C:
case WM8996_DSP1_RX_EQ_BAND_2_PG:
case WM8996_DSP1_RX_EQ_BAND_3_A:
case WM8996_DSP1_RX_EQ_BAND_3_B:
case WM8996_DSP1_RX_EQ_BAND_3_C:
case WM8996_DSP1_RX_EQ_BAND_3_PG:
case WM8996_DSP1_RX_EQ_BAND_4_A:
case WM8996_DSP1_RX_EQ_BAND_4_B:
case WM8996_DSP1_RX_EQ_BAND_4_C:
case WM8996_DSP1_RX_EQ_BAND_4_PG:
case WM8996_DSP1_RX_EQ_BAND_5_A:
case WM8996_DSP1_RX_EQ_BAND_5_B:
case WM8996_DSP1_RX_EQ_BAND_5_PG:
case WM8996_DSP2_TX_LEFT_VOLUME:
case WM8996_DSP2_TX_RIGHT_VOLUME:
case WM8996_DSP2_RX_LEFT_VOLUME:
case WM8996_DSP2_RX_RIGHT_VOLUME:
case WM8996_DSP2_TX_FILTERS:
case WM8996_DSP2_RX_FILTERS_1:
case WM8996_DSP2_RX_FILTERS_2:
case WM8996_DSP2_DRC_1:
case WM8996_DSP2_DRC_2:
case WM8996_DSP2_DRC_3:
case WM8996_DSP2_DRC_4:
case WM8996_DSP2_DRC_5:
case WM8996_DSP2_RX_EQ_GAINS_1:
case WM8996_DSP2_RX_EQ_GAINS_2:
case WM8996_DSP2_RX_EQ_BAND_1_A:
case WM8996_DSP2_RX_EQ_BAND_1_B:
case WM8996_DSP2_RX_EQ_BAND_1_PG:
case WM8996_DSP2_RX_EQ_BAND_2_A:
case WM8996_DSP2_RX_EQ_BAND_2_B:
case WM8996_DSP2_RX_EQ_BAND_2_C:
case WM8996_DSP2_RX_EQ_BAND_2_PG:
case WM8996_DSP2_RX_EQ_BAND_3_A:
case WM8996_DSP2_RX_EQ_BAND_3_B:
case WM8996_DSP2_RX_EQ_BAND_3_C:
case WM8996_DSP2_RX_EQ_BAND_3_PG:
case WM8996_DSP2_RX_EQ_BAND_4_A:
case WM8996_DSP2_RX_EQ_BAND_4_B:
case WM8996_DSP2_RX_EQ_BAND_4_C:
case WM8996_DSP2_RX_EQ_BAND_4_PG:
case WM8996_DSP2_RX_EQ_BAND_5_A:
case WM8996_DSP2_RX_EQ_BAND_5_B:
case WM8996_DSP2_RX_EQ_BAND_5_PG:
case WM8996_DAC1_MIXER_VOLUMES:
case WM8996_DAC1_LEFT_MIXER_ROUTING:
case WM8996_DAC1_RIGHT_MIXER_ROUTING:
case WM8996_DAC2_MIXER_VOLUMES:
case WM8996_DAC2_LEFT_MIXER_ROUTING:
case WM8996_DAC2_RIGHT_MIXER_ROUTING:
case WM8996_DSP1_TX_LEFT_MIXER_ROUTING:
case WM8996_DSP1_TX_RIGHT_MIXER_ROUTING:
case WM8996_DSP2_TX_LEFT_MIXER_ROUTING:
case WM8996_DSP2_TX_RIGHT_MIXER_ROUTING:
case WM8996_DSP_TX_MIXER_SELECT:
case WM8996_DAC_SOFTMUTE:
case WM8996_OVERSAMPLING:
case WM8996_SIDETONE:
case WM8996_GPIO_1:
case WM8996_GPIO_2:
case WM8996_GPIO_3:
case WM8996_GPIO_4:
case WM8996_GPIO_5:
case WM8996_PULL_CONTROL_1:
case WM8996_PULL_CONTROL_2:
case WM8996_INTERRUPT_STATUS_1:
case WM8996_INTERRUPT_STATUS_2:
case WM8996_INTERRUPT_RAW_STATUS_2:
case WM8996_INTERRUPT_STATUS_1_MASK:
case WM8996_INTERRUPT_STATUS_2_MASK:
case WM8996_INTERRUPT_CONTROL:
case WM8996_LEFT_PDM_SPEAKER:
case WM8996_RIGHT_PDM_SPEAKER:
case WM8996_PDM_SPEAKER_MUTE_SEQUENCE:
case WM8996_PDM_SPEAKER_VOLUME:
return 1;
default:
return 0;
}
}
static bool wm8996_volatile_register(struct device *dev, unsigned int reg)
{
switch (reg) {
case WM8996_SOFTWARE_RESET:
case WM8996_CHIP_REVISION:
case WM8996_LDO_1:
case WM8996_LDO_2:
case WM8996_INTERRUPT_STATUS_1:
case WM8996_INTERRUPT_STATUS_2:
case WM8996_INTERRUPT_RAW_STATUS_2:
case WM8996_DC_SERVO_READBACK_0:
case WM8996_DC_SERVO_2:
case WM8996_DC_SERVO_6:
case WM8996_DC_SERVO_7:
case WM8996_FLL_CONTROL_6:
case WM8996_MIC_DETECT_3:
case WM8996_HEADPHONE_DETECT_1:
case WM8996_HEADPHONE_DETECT_2:
return 1;
default:
return 0;
}
}
static const int bclk_divs[] = {
1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 96
};
static void wm8996_update_bclk(struct snd_soc_codec *codec)
{
struct wm8996_priv *wm8996 = snd_soc_codec_get_drvdata(codec);
int aif, best, cur_val, bclk_rate, bclk_reg, i;
/* Don't bother if we're in a low frequency idle mode that
* can't support audio.
*/
if (wm8996->sysclk < 64000)
return;
for (aif = 0; aif < WM8996_AIFS; aif++) {
switch (aif) {
case 0:
bclk_reg = WM8996_AIF1_BCLK;
break;
case 1:
bclk_reg = WM8996_AIF2_BCLK;
break;
}
bclk_rate = wm8996->bclk_rate[aif];
/* Pick a divisor for BCLK as close as we can get to ideal */
best = 0;
for (i = 0; i < ARRAY_SIZE(bclk_divs); i++) {
cur_val = (wm8996->sysclk / bclk_divs[i]) - bclk_rate;
if (cur_val < 0) /* BCLK table is sorted */
break;
best = i;
}
bclk_rate = wm8996->sysclk / bclk_divs[best];
dev_dbg(codec->dev, "Using BCLK_DIV %d for actual BCLK %dHz\n",
bclk_divs[best], bclk_rate);
snd_soc_update_bits(codec, bclk_reg,
WM8996_AIF1_BCLK_DIV_MASK, best);
}
}
static int wm8996_set_bias_level(struct snd_soc_codec *codec,
enum snd_soc_bias_level level)
{
struct wm8996_priv *wm8996 = snd_soc_codec_get_drvdata(codec);
int ret;
switch (level) {
case SND_SOC_BIAS_ON:
break;
case SND_SOC_BIAS_PREPARE:
/* Put the MICBIASes into regulating mode */
snd_soc_update_bits(codec, WM8996_MICBIAS_1,
WM8996_MICB1_MODE, 0);
snd_soc_update_bits(codec, WM8996_MICBIAS_2,
WM8996_MICB2_MODE, 0);
break;
case SND_SOC_BIAS_STANDBY:
if (codec->dapm.bias_level == SND_SOC_BIAS_OFF) {
ret = regulator_bulk_enable(ARRAY_SIZE(wm8996->supplies),
wm8996->supplies);
if (ret != 0) {
dev_err(codec->dev,
"Failed to enable supplies: %d\n",
ret);
return ret;
}
if (wm8996->pdata.ldo_ena >= 0) {
gpio_set_value_cansleep(wm8996->pdata.ldo_ena,
1);
msleep(5);
}
regcache_cache_only(codec->control_data, false);
regcache_sync(codec->control_data);
}
/* Bypass the MICBIASes for lowest power */
snd_soc_update_bits(codec, WM8996_MICBIAS_1,
WM8996_MICB1_MODE, WM8996_MICB1_MODE);
snd_soc_update_bits(codec, WM8996_MICBIAS_2,
WM8996_MICB2_MODE, WM8996_MICB2_MODE);
break;
case SND_SOC_BIAS_OFF:
regcache_cache_only(codec->control_data, true);
if (wm8996->pdata.ldo_ena >= 0) {
gpio_set_value_cansleep(wm8996->pdata.ldo_ena, 0);
regcache_cache_only(codec->control_data, true);
}
regulator_bulk_disable(ARRAY_SIZE(wm8996->supplies),
wm8996->supplies);
break;
}
codec->dapm.bias_level = level;
return 0;
}
static int wm8996_set_fmt(struct snd_soc_dai *dai, unsigned int fmt)
{
struct snd_soc_codec *codec = dai->codec;
int aifctrl = 0;
int bclk = 0;
int lrclk_tx = 0;
int lrclk_rx = 0;
int aifctrl_reg, bclk_reg, lrclk_tx_reg, lrclk_rx_reg;
switch (dai->id) {
case 0:
aifctrl_reg = WM8996_AIF1_CONTROL;
bclk_reg = WM8996_AIF1_BCLK;
lrclk_tx_reg = WM8996_AIF1_TX_LRCLK_2;
lrclk_rx_reg = WM8996_AIF1_RX_LRCLK_2;
break;
case 1:
aifctrl_reg = WM8996_AIF2_CONTROL;
bclk_reg = WM8996_AIF2_BCLK;
lrclk_tx_reg = WM8996_AIF2_TX_LRCLK_2;
lrclk_rx_reg = WM8996_AIF2_RX_LRCLK_2;
break;
default:
BUG();
return -EINVAL;
}
switch (fmt & SND_SOC_DAIFMT_INV_MASK) {
case SND_SOC_DAIFMT_NB_NF:
break;
case SND_SOC_DAIFMT_IB_NF:
bclk |= WM8996_AIF1_BCLK_INV;
break;
case SND_SOC_DAIFMT_NB_IF:
lrclk_tx |= WM8996_AIF1TX_LRCLK_INV;
lrclk_rx |= WM8996_AIF1RX_LRCLK_INV;
break;
case SND_SOC_DAIFMT_IB_IF:
bclk |= WM8996_AIF1_BCLK_INV;
lrclk_tx |= WM8996_AIF1TX_LRCLK_INV;
lrclk_rx |= WM8996_AIF1RX_LRCLK_INV;
break;
}
switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
case SND_SOC_DAIFMT_CBS_CFS:
break;
case SND_SOC_DAIFMT_CBS_CFM:
lrclk_tx |= WM8996_AIF1TX_LRCLK_MSTR;
lrclk_rx |= WM8996_AIF1RX_LRCLK_MSTR;
break;
case SND_SOC_DAIFMT_CBM_CFS:
bclk |= WM8996_AIF1_BCLK_MSTR;
break;
case SND_SOC_DAIFMT_CBM_CFM:
bclk |= WM8996_AIF1_BCLK_MSTR;
lrclk_tx |= WM8996_AIF1TX_LRCLK_MSTR;
lrclk_rx |= WM8996_AIF1RX_LRCLK_MSTR;
break;
default:
return -EINVAL;
}
switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
case SND_SOC_DAIFMT_DSP_A:
break;
case SND_SOC_DAIFMT_DSP_B:
aifctrl |= 1;
break;
case SND_SOC_DAIFMT_I2S:
aifctrl |= 2;
break;
case SND_SOC_DAIFMT_LEFT_J:
aifctrl |= 3;
break;
default:
return -EINVAL;
}
snd_soc_update_bits(codec, aifctrl_reg, WM8996_AIF1_FMT_MASK, aifctrl);
snd_soc_update_bits(codec, bclk_reg,
WM8996_AIF1_BCLK_INV | WM8996_AIF1_BCLK_MSTR,
bclk);
snd_soc_update_bits(codec, lrclk_tx_reg,
WM8996_AIF1TX_LRCLK_INV |
WM8996_AIF1TX_LRCLK_MSTR,
lrclk_tx);
snd_soc_update_bits(codec, lrclk_rx_reg,
WM8996_AIF1RX_LRCLK_INV |
WM8996_AIF1RX_LRCLK_MSTR,
lrclk_rx);
return 0;
}
static const int dsp_divs[] = {
48000, 32000, 16000, 8000
};
static int wm8996_hw_params(struct snd_pcm_substream *substream,
struct snd_pcm_hw_params *params,
struct snd_soc_dai *dai)
{
struct snd_soc_codec *codec = dai->codec;
struct wm8996_priv *wm8996 = snd_soc_codec_get_drvdata(codec);
int bits, i, bclk_rate, best;
int aifdata = 0;
int lrclk = 0;
int dsp = 0;
int aifdata_reg, lrclk_reg, dsp_shift;
switch (dai->id) {
case 0:
if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK ||
(snd_soc_read(codec, WM8996_GPIO_1)) & WM8996_GP1_FN_MASK) {
aifdata_reg = WM8996_AIF1RX_DATA_CONFIGURATION;
lrclk_reg = WM8996_AIF1_RX_LRCLK_1;
} else {
aifdata_reg = WM8996_AIF1TX_DATA_CONFIGURATION_1;
lrclk_reg = WM8996_AIF1_TX_LRCLK_1;
}
dsp_shift = 0;
break;
case 1:
if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK ||
(snd_soc_read(codec, WM8996_GPIO_2)) & WM8996_GP2_FN_MASK) {
aifdata_reg = WM8996_AIF2RX_DATA_CONFIGURATION;
lrclk_reg = WM8996_AIF2_RX_LRCLK_1;
} else {
aifdata_reg = WM8996_AIF2TX_DATA_CONFIGURATION_1;
lrclk_reg = WM8996_AIF2_TX_LRCLK_1;
}
dsp_shift = WM8996_DSP2_DIV_SHIFT;
break;
default:
BUG();
return -EINVAL;
}
bclk_rate = snd_soc_params_to_bclk(params);
if (bclk_rate < 0) {
dev_err(codec->dev, "Unsupported BCLK rate: %d\n", bclk_rate);
return bclk_rate;
}
wm8996->bclk_rate[dai->id] = bclk_rate;
wm8996->rx_rate[dai->id] = params_rate(params);
/* Needs looking at for TDM */
bits = snd_pcm_format_width(params_format(params));
if (bits < 0)
return bits;
aifdata |= (bits << WM8996_AIF1TX_WL_SHIFT) | bits;
best = 0;
for (i = 0; i < ARRAY_SIZE(dsp_divs); i++) {
if (abs(dsp_divs[i] - params_rate(params)) <
abs(dsp_divs[best] - params_rate(params)))
best = i;
}
dsp |= i << dsp_shift;
wm8996_update_bclk(codec);
lrclk = bclk_rate / params_rate(params);
dev_dbg(dai->dev, "Using LRCLK rate %d for actual LRCLK %dHz\n",
lrclk, bclk_rate / lrclk);
snd_soc_update_bits(codec, aifdata_reg,
WM8996_AIF1TX_WL_MASK |
WM8996_AIF1TX_SLOT_LEN_MASK,
aifdata);
snd_soc_update_bits(codec, lrclk_reg, WM8996_AIF1RX_RATE_MASK,
lrclk);
snd_soc_update_bits(codec, WM8996_AIF_CLOCKING_2,
WM8996_DSP1_DIV_MASK << dsp_shift, dsp);
return 0;
}
static int wm8996_set_sysclk(struct snd_soc_dai *dai,
int clk_id, unsigned int freq, int dir)
{
struct snd_soc_codec *codec = dai->codec;
struct wm8996_priv *wm8996 = snd_soc_codec_get_drvdata(codec);
int lfclk = 0;
int ratediv = 0;
int sync = WM8996_REG_SYNC;
int src;
int old;
if (freq == wm8996->sysclk && clk_id == wm8996->sysclk_src)
return 0;
/* Disable SYSCLK while we reconfigure */
old = snd_soc_read(codec, WM8996_AIF_CLOCKING_1) & WM8996_SYSCLK_ENA;
snd_soc_update_bits(codec, WM8996_AIF_CLOCKING_1,
WM8996_SYSCLK_ENA, 0);
switch (clk_id) {
case WM8996_SYSCLK_MCLK1:
wm8996->sysclk = freq;
src = 0;
break;
case WM8996_SYSCLK_MCLK2:
wm8996->sysclk = freq;
src = 1;
break;
case WM8996_SYSCLK_FLL:
wm8996->sysclk = freq;
src = 2;
break;
default:
dev_err(codec->dev, "Unsupported clock source %d\n", clk_id);
return -EINVAL;
}
switch (wm8996->sysclk) {
case 5644800:
case 6144000:
snd_soc_update_bits(codec, WM8996_AIF_RATE,
WM8996_SYSCLK_RATE, 0);
break;
case 22579200:
case 24576000:
ratediv = WM8996_SYSCLK_DIV;
wm8996->sysclk /= 2;
case 11289600:
case 12288000:
snd_soc_update_bits(codec, WM8996_AIF_RATE,
WM8996_SYSCLK_RATE, WM8996_SYSCLK_RATE);
break;
case 32000:
case 32768:
lfclk = WM8996_LFCLK_ENA;
sync = 0;
break;
default:
dev_warn(codec->dev, "Unsupported clock rate %dHz\n",
wm8996->sysclk);
return -EINVAL;
}
wm8996_update_bclk(codec);
snd_soc_update_bits(codec, WM8996_AIF_CLOCKING_1,
WM8996_SYSCLK_SRC_MASK | WM8996_SYSCLK_DIV_MASK,
src << WM8996_SYSCLK_SRC_SHIFT | ratediv);
snd_soc_update_bits(codec, WM8996_CLOCKING_1, WM8996_LFCLK_ENA, lfclk);
snd_soc_update_bits(codec, WM8996_CONTROL_INTERFACE_1,
WM8996_REG_SYNC, sync);
snd_soc_update_bits(codec, WM8996_AIF_CLOCKING_1,
WM8996_SYSCLK_ENA, old);
wm8996->sysclk_src = clk_id;
return 0;
}
struct _fll_div {
u16 fll_fratio;
u16 fll_outdiv;
u16 fll_refclk_div;
u16 fll_loop_gain;
u16 fll_ref_freq;
u16 n;
u16 theta;
u16 lambda;
};
static struct {
unsigned int min;
unsigned int max;
u16 fll_fratio;
int ratio;
} fll_fratios[] = {
{ 0, 64000, 4, 16 },
{ 64000, 128000, 3, 8 },
{ 128000, 256000, 2, 4 },
{ 256000, 1000000, 1, 2 },
{ 1000000, 13500000, 0, 1 },
};
static int fll_factors(struct _fll_div *fll_div, unsigned int Fref,
unsigned int Fout)
{
unsigned int target;
unsigned int div;
unsigned int fratio, gcd_fll;
int i;
/* Fref must be <=13.5MHz */
div = 1;
fll_div->fll_refclk_div = 0;
while ((Fref / div) > 13500000) {
div *= 2;
fll_div->fll_refclk_div++;
if (div > 8) {
pr_err("Can't scale %dMHz input down to <=13.5MHz\n",
Fref);
return -EINVAL;
}
}
pr_debug("FLL Fref=%u Fout=%u\n", Fref, Fout);
/* Apply the division for our remaining calculations */
Fref /= div;
if (Fref >= 3000000)
fll_div->fll_loop_gain = 5;
else
fll_div->fll_loop_gain = 0;
if (Fref >= 48000)
fll_div->fll_ref_freq = 0;
else
fll_div->fll_ref_freq = 1;
/* Fvco should be 90-100MHz; don't check the upper bound */
div = 2;
while (Fout * div < 90000000) {
div++;
if (div > 64) {
pr_err("Unable to find FLL_OUTDIV for Fout=%uHz\n",
Fout);
return -EINVAL;
}
}
target = Fout * div;
fll_div->fll_outdiv = div - 1;
pr_debug("FLL Fvco=%dHz\n", target);
/* Find an appropraite FLL_FRATIO and factor it out of the target */
for (i = 0; i < ARRAY_SIZE(fll_fratios); i++) {
if (fll_fratios[i].min <= Fref && Fref <= fll_fratios[i].max) {
fll_div->fll_fratio = fll_fratios[i].fll_fratio;
fratio = fll_fratios[i].ratio;
break;
}
}
if (i == ARRAY_SIZE(fll_fratios)) {
pr_err("Unable to find FLL_FRATIO for Fref=%uHz\n", Fref);
return -EINVAL;
}
fll_div->n = target / (fratio * Fref);
if (target % Fref == 0) {
fll_div->theta = 0;
fll_div->lambda = 0;
} else {
gcd_fll = gcd(target, fratio * Fref);
fll_div->theta = (target - (fll_div->n * fratio * Fref))
/ gcd_fll;
fll_div->lambda = (fratio * Fref) / gcd_fll;
}
pr_debug("FLL N=%x THETA=%x LAMBDA=%x\n",
fll_div->n, fll_div->theta, fll_div->lambda);
pr_debug("FLL_FRATIO=%x FLL_OUTDIV=%x FLL_REFCLK_DIV=%x\n",
fll_div->fll_fratio, fll_div->fll_outdiv,
fll_div->fll_refclk_div);
return 0;
}
static int wm8996_set_fll(struct snd_soc_codec *codec, int fll_id, int source,
unsigned int Fref, unsigned int Fout)
{
struct wm8996_priv *wm8996 = snd_soc_codec_get_drvdata(codec);
struct i2c_client *i2c = to_i2c_client(codec->dev);
struct _fll_div fll_div;
unsigned long timeout;
int ret, reg, retry;
/* Any change? */
if (source == wm8996->fll_src && Fref == wm8996->fll_fref &&
Fout == wm8996->fll_fout)
return 0;
if (Fout == 0) {
dev_dbg(codec->dev, "FLL disabled\n");
wm8996->fll_fref = 0;
wm8996->fll_fout = 0;
snd_soc_update_bits(codec, WM8996_FLL_CONTROL_1,
WM8996_FLL_ENA, 0);
wm8996_bg_disable(codec);
return 0;
}
ret = fll_factors(&fll_div, Fref, Fout);
if (ret != 0)
return ret;
switch (source) {
case WM8996_FLL_MCLK1:
reg = 0;
break;
case WM8996_FLL_MCLK2:
reg = 1;
break;
case WM8996_FLL_DACLRCLK1:
reg = 2;
break;
case WM8996_FLL_BCLK1:
reg = 3;
break;
default:
dev_err(codec->dev, "Unknown FLL source %d\n", ret);
return -EINVAL;
}
reg |= fll_div.fll_refclk_div << WM8996_FLL_REFCLK_DIV_SHIFT;
reg |= fll_div.fll_ref_freq << WM8996_FLL_REF_FREQ_SHIFT;
snd_soc_update_bits(codec, WM8996_FLL_CONTROL_5,
WM8996_FLL_REFCLK_DIV_MASK | WM8996_FLL_REF_FREQ |
WM8996_FLL_REFCLK_SRC_MASK, reg);
reg = 0;
if (fll_div.theta || fll_div.lambda)
reg |= WM8996_FLL_EFS_ENA | (3 << WM8996_FLL_LFSR_SEL_SHIFT);
else
reg |= 1 << WM8996_FLL_LFSR_SEL_SHIFT;
snd_soc_write(codec, WM8996_FLL_EFS_2, reg);
snd_soc_update_bits(codec, WM8996_FLL_CONTROL_2,
WM8996_FLL_OUTDIV_MASK |
WM8996_FLL_FRATIO_MASK,
(fll_div.fll_outdiv << WM8996_FLL_OUTDIV_SHIFT) |
(fll_div.fll_fratio));
snd_soc_write(codec, WM8996_FLL_CONTROL_3, fll_div.theta);
snd_soc_update_bits(codec, WM8996_FLL_CONTROL_4,
WM8996_FLL_N_MASK | WM8996_FLL_LOOP_GAIN_MASK,
(fll_div.n << WM8996_FLL_N_SHIFT) |
fll_div.fll_loop_gain);
snd_soc_write(codec, WM8996_FLL_EFS_1, fll_div.lambda);
/* Enable the bandgap if it's not already enabled */
ret = snd_soc_read(codec, WM8996_FLL_CONTROL_1);
if (!(ret & WM8996_FLL_ENA))
wm8996_bg_enable(codec);
/* Clear any pending completions (eg, from failed startups) */
try_wait_for_completion(&wm8996->fll_lock);
snd_soc_update_bits(codec, WM8996_FLL_CONTROL_1,
WM8996_FLL_ENA, WM8996_FLL_ENA);
/* The FLL supports live reconfiguration - kick that in case we were
* already enabled.
*/
snd_soc_write(codec, WM8996_FLL_CONTROL_6, WM8996_FLL_SWITCH_CLK);
/* Wait for the FLL to lock, using the interrupt if possible */
if (Fref > 1000000)
timeout = usecs_to_jiffies(300);
else
timeout = msecs_to_jiffies(2);
/* Allow substantially longer if we've actually got the IRQ, poll
* at a slightly higher rate if we don't.
*/
if (i2c->irq)
timeout *= 10;
else
timeout /= 2;
for (retry = 0; retry < 10; retry++) {
ret = wait_for_completion_timeout(&wm8996->fll_lock,
timeout);
if (ret != 0) {
WARN_ON(!i2c->irq);
break;
}
ret = snd_soc_read(codec, WM8996_INTERRUPT_RAW_STATUS_2);
if (ret & WM8996_FLL_LOCK_STS)
break;
}
if (retry == 10) {
dev_err(codec->dev, "Timed out waiting for FLL\n");
ret = -ETIMEDOUT;
}
dev_dbg(codec->dev, "FLL configured for %dHz->%dHz\n", Fref, Fout);
wm8996->fll_fref = Fref;
wm8996->fll_fout = Fout;
wm8996->fll_src = source;
return ret;
}
#ifdef CONFIG_GPIOLIB
static inline struct wm8996_priv *gpio_to_wm8996(struct gpio_chip *chip)
{
return container_of(chip, struct wm8996_priv, gpio_chip);
}
static void wm8996_gpio_set(struct gpio_chip *chip, unsigned offset, int value)
{
struct wm8996_priv *wm8996 = gpio_to_wm8996(chip);
regmap_update_bits(wm8996->regmap, WM8996_GPIO_1 + offset,
WM8996_GP1_LVL, !!value << WM8996_GP1_LVL_SHIFT);
}
static int wm8996_gpio_direction_out(struct gpio_chip *chip,
unsigned offset, int value)
{
struct wm8996_priv *wm8996 = gpio_to_wm8996(chip);
int val;
val = (1 << WM8996_GP1_FN_SHIFT) | (!!value << WM8996_GP1_LVL_SHIFT);
return regmap_update_bits(wm8996->regmap, WM8996_GPIO_1 + offset,
WM8996_GP1_FN_MASK | WM8996_GP1_DIR |
WM8996_GP1_LVL, val);
}
static int wm8996_gpio_get(struct gpio_chip *chip, unsigned offset)
{
struct wm8996_priv *wm8996 = gpio_to_wm8996(chip);
unsigned int reg;
int ret;
ret = regmap_read(wm8996->regmap, WM8996_GPIO_1 + offset, ®);
if (ret < 0)
return ret;
return (reg & WM8996_GP1_LVL) != 0;
}
static int wm8996_gpio_direction_in(struct gpio_chip *chip, unsigned offset)
{
struct wm8996_priv *wm8996 = gpio_to_wm8996(chip);
return regmap_update_bits(wm8996->regmap, WM8996_GPIO_1 + offset,
WM8996_GP1_FN_MASK | WM8996_GP1_DIR,
(1 << WM8996_GP1_FN_SHIFT) |
(1 << WM8996_GP1_DIR_SHIFT));
}
static struct gpio_chip wm8996_template_chip = {
.label = "wm8996",
.owner = THIS_MODULE,
.direction_output = wm8996_gpio_direction_out,
.set = wm8996_gpio_set,
.direction_input = wm8996_gpio_direction_in,
.get = wm8996_gpio_get,
.can_sleep = 1,
};
static void wm8996_init_gpio(struct wm8996_priv *wm8996)
{
int ret;
wm8996->gpio_chip = wm8996_template_chip;
wm8996->gpio_chip.ngpio = 5;
wm8996->gpio_chip.dev = wm8996->dev;
if (wm8996->pdata.gpio_base)
wm8996->gpio_chip.base = wm8996->pdata.gpio_base;
else
wm8996->gpio_chip.base = -1;
ret = gpiochip_add(&wm8996->gpio_chip);
if (ret != 0)
dev_err(wm8996->dev, "Failed to add GPIOs: %d\n", ret);
}
static void wm8996_free_gpio(struct wm8996_priv *wm8996)
{
int ret;
ret = gpiochip_remove(&wm8996->gpio_chip);
if (ret != 0)
dev_err(wm8996->dev, "Failed to remove GPIOs: %d\n", ret);
}
#else
static void wm8996_init_gpio(struct wm8996_priv *wm8996)
{
}
static void wm8996_free_gpio(struct wm8996_priv *wm8996)
{
}
#endif
/**
* wm8996_detect - Enable default WM8996 jack detection
*
* The WM8996 has advanced accessory detection support for headsets.
* This function provides a default implementation which integrates
* the majority of this functionality with minimal user configuration.
*
* This will detect headset, headphone and short circuit button and
* will also detect inverted microphone ground connections and update
* the polarity of the connections.
*/
int wm8996_detect(struct snd_soc_codec *codec, struct snd_soc_jack *jack,
wm8996_polarity_fn polarity_cb)
{
struct wm8996_priv *wm8996 = snd_soc_codec_get_drvdata(codec);
wm8996->jack = jack;
wm8996->detecting = true;
wm8996->polarity_cb = polarity_cb;
wm8996->jack_flips = 0;
if (wm8996->polarity_cb)
wm8996->polarity_cb(codec, 0);
/* Clear discarge to avoid noise during detection */
snd_soc_update_bits(codec, WM8996_MICBIAS_1,
WM8996_MICB1_DISCH, 0);
snd_soc_update_bits(codec, WM8996_MICBIAS_2,
WM8996_MICB2_DISCH, 0);
/* LDO2 powers the microphones, SYSCLK clocks detection */
snd_soc_dapm_force_enable_pin(&codec->dapm, "LDO2");
snd_soc_dapm_force_enable_pin(&codec->dapm, "SYSCLK");
/* We start off just enabling microphone detection - even a
* plain headphone will trigger detection.
*/
snd_soc_update_bits(codec, WM8996_MIC_DETECT_1,
WM8996_MICD_ENA, WM8996_MICD_ENA);
/* Slowest detection rate, gives debounce for initial detection */
snd_soc_update_bits(codec, WM8996_MIC_DETECT_1,
WM8996_MICD_RATE_MASK,
WM8996_MICD_RATE_MASK);
/* Enable interrupts and we're off */
snd_soc_update_bits(codec, WM8996_INTERRUPT_STATUS_2_MASK,
WM8996_IM_MICD_EINT | WM8996_HP_DONE_EINT, 0);
return 0;
}
EXPORT_SYMBOL_GPL(wm8996_detect);
static void wm8996_hpdet_irq(struct snd_soc_codec *codec)
{
struct wm8996_priv *wm8996 = snd_soc_codec_get_drvdata(codec);
int val, reg, report;
/* Assume headphone in error conditions; we need to report
* something or we stall our state machine.
*/
report = SND_JACK_HEADPHONE;
reg = snd_soc_read(codec, WM8996_HEADPHONE_DETECT_2);
if (reg < 0) {
dev_err(codec->dev, "Failed to read HPDET status\n");
goto out;
}
if (!(reg & WM8996_HP_DONE)) {
dev_err(codec->dev, "Got HPDET IRQ but HPDET is busy\n");
goto out;
}
val = reg & WM8996_HP_LVL_MASK;
dev_dbg(codec->dev, "HPDET measured %d ohms\n", val);
/* If we've got high enough impedence then report as line,
* otherwise assume headphone.
*/
if (val >= 126)
report = SND_JACK_LINEOUT;
else
report = SND_JACK_HEADPHONE;
out:
if (wm8996->jack_mic)
report |= SND_JACK_MICROPHONE;
snd_soc_jack_report(wm8996->jack, report,
SND_JACK_LINEOUT | SND_JACK_HEADSET);
wm8996->detecting = false;
/* If the output isn't running re-clamp it */
if (!(snd_soc_read(codec, WM8996_POWER_MANAGEMENT_1) &
(WM8996_HPOUT1L_ENA | WM8996_HPOUT1R_RMV_SHORT)))
snd_soc_update_bits(codec, WM8996_ANALOGUE_HP_1,
WM8996_HPOUT1L_RMV_SHORT |
WM8996_HPOUT1R_RMV_SHORT, 0);
/* Go back to looking at the microphone */
snd_soc_update_bits(codec, WM8996_ACCESSORY_DETECT_MODE_1,
WM8996_JD_MODE_MASK, 0);
snd_soc_update_bits(codec, WM8996_MIC_DETECT_1, WM8996_MICD_ENA,
WM8996_MICD_ENA);
snd_soc_dapm_disable_pin(&codec->dapm, "Bandgap");
snd_soc_dapm_sync(&codec->dapm);
}
static void wm8996_hpdet_start(struct snd_soc_codec *codec)
{
/* Unclamp the output, we can't measure while we're shorting it */
snd_soc_update_bits(codec, WM8996_ANALOGUE_HP_1,
WM8996_HPOUT1L_RMV_SHORT |
WM8996_HPOUT1R_RMV_SHORT,
WM8996_HPOUT1L_RMV_SHORT |
WM8996_HPOUT1R_RMV_SHORT);
/* We need bandgap for HPDET */
snd_soc_dapm_force_enable_pin(&codec->dapm, "Bandgap");
snd_soc_dapm_sync(&codec->dapm);
/* Go into headphone detect left mode */
snd_soc_update_bits(codec, WM8996_MIC_DETECT_1, WM8996_MICD_ENA, 0);
snd_soc_update_bits(codec, WM8996_ACCESSORY_DETECT_MODE_1,
WM8996_JD_MODE_MASK, 1);
/* Trigger a measurement */
snd_soc_update_bits(codec, WM8996_HEADPHONE_DETECT_1,
WM8996_HP_POLL, WM8996_HP_POLL);
}
static void wm8996_report_headphone(struct snd_soc_codec *codec)
{
dev_dbg(codec->dev, "Headphone detected\n");
wm8996_hpdet_start(codec);
/* Increase the detection rate a bit for responsiveness. */
snd_soc_update_bits(codec, WM8996_MIC_DETECT_1,
WM8996_MICD_RATE_MASK |
WM8996_MICD_BIAS_STARTTIME_MASK,
7 << WM8996_MICD_RATE_SHIFT |
7 << WM8996_MICD_BIAS_STARTTIME_SHIFT);
}
static void wm8996_micd(struct snd_soc_codec *codec)
{
struct wm8996_priv *wm8996 = snd_soc_codec_get_drvdata(codec);
int val, reg;
val = snd_soc_read(codec, WM8996_MIC_DETECT_3);
dev_dbg(codec->dev, "Microphone event: %x\n", val);
if (!(val & WM8996_MICD_VALID)) {
dev_warn(codec->dev, "Microphone detection state invalid\n");
return;
}
/* No accessory, reset everything and report removal */
if (!(val & WM8996_MICD_STS)) {
dev_dbg(codec->dev, "Jack removal detected\n");
wm8996->jack_mic = false;
wm8996->detecting = true;
wm8996->jack_flips = 0;
snd_soc_jack_report(wm8996->jack, 0,
SND_JACK_LINEOUT | SND_JACK_HEADSET |
SND_JACK_BTN_0);
snd_soc_update_bits(codec, WM8996_MIC_DETECT_1,
WM8996_MICD_RATE_MASK |
WM8996_MICD_BIAS_STARTTIME_MASK,
WM8996_MICD_RATE_MASK |
9 << WM8996_MICD_BIAS_STARTTIME_SHIFT);
return;
}
/* If the measurement is very high we've got a microphone,
* either we just detected one or if we already reported then
* we've got a button release event.
*/
if (val & 0x400) {
if (wm8996->detecting) {
dev_dbg(codec->dev, "Microphone detected\n");
wm8996->jack_mic = true;
wm8996_hpdet_start(codec);
/* Increase poll rate to give better responsiveness
* for buttons */
snd_soc_update_bits(codec, WM8996_MIC_DETECT_1,
WM8996_MICD_RATE_MASK |
WM8996_MICD_BIAS_STARTTIME_MASK,
5 << WM8996_MICD_RATE_SHIFT |
7 << WM8996_MICD_BIAS_STARTTIME_SHIFT);
} else {
dev_dbg(codec->dev, "Mic button up\n");
snd_soc_jack_report(wm8996->jack, 0, SND_JACK_BTN_0);
}
return;
}
/* If we detected a lower impedence during initial startup
* then we probably have the wrong polarity, flip it. Don't
* do this for the lowest impedences to speed up detection of
* plain headphones. If both polarities report a low
* impedence then give up and report headphones.
*/
if (wm8996->detecting && (val & 0x3f0)) {
wm8996->jack_flips++;
if (wm8996->jack_flips > 1) {
wm8996_report_headphone(codec);
return;
}
reg = snd_soc_read(codec, WM8996_ACCESSORY_DETECT_MODE_2);
reg ^= WM8996_HPOUT1FB_SRC | WM8996_MICD_SRC |
WM8996_MICD_BIAS_SRC;
snd_soc_update_bits(codec, WM8996_ACCESSORY_DETECT_MODE_2,
WM8996_HPOUT1FB_SRC | WM8996_MICD_SRC |
WM8996_MICD_BIAS_SRC, reg);
if (wm8996->polarity_cb)
wm8996->polarity_cb(codec,
(reg & WM8996_MICD_SRC) != 0);
dev_dbg(codec->dev, "Set microphone polarity to %d\n",
(reg & WM8996_MICD_SRC) != 0);
return;
}
/* Don't distinguish between buttons, just report any low
* impedence as BTN_0.
*/
if (val & 0x3fc) {
if (wm8996->jack_mic) {
dev_dbg(codec->dev, "Mic button detected\n");
snd_soc_jack_report(wm8996->jack, SND_JACK_BTN_0,
SND_JACK_BTN_0);
} else if (wm8996->detecting) {
wm8996_report_headphone(codec);
}
}
}
static irqreturn_t wm8996_irq(int irq, void *data)
{
struct snd_soc_codec *codec = data;
struct wm8996_priv *wm8996 = snd_soc_codec_get_drvdata(codec);
int irq_val;
irq_val = snd_soc_read(codec, WM8996_INTERRUPT_STATUS_2);
if (irq_val < 0) {
dev_err(codec->dev, "Failed to read IRQ status: %d\n",
irq_val);
return IRQ_NONE;
}
irq_val &= ~snd_soc_read(codec, WM8996_INTERRUPT_STATUS_2_MASK);
if (!irq_val)
return IRQ_NONE;
snd_soc_write(codec, WM8996_INTERRUPT_STATUS_2, irq_val);
if (irq_val & (WM8996_DCS_DONE_01_EINT | WM8996_DCS_DONE_23_EINT)) {
dev_dbg(codec->dev, "DC servo IRQ\n");
complete(&wm8996->dcs_done);
}
if (irq_val & WM8996_FIFOS_ERR_EINT)
dev_err(codec->dev, "Digital core FIFO error\n");
if (irq_val & WM8996_FLL_LOCK_EINT) {
dev_dbg(codec->dev, "FLL locked\n");
complete(&wm8996->fll_lock);
}
if (irq_val & WM8996_MICD_EINT)
wm8996_micd(codec);
if (irq_val & WM8996_HP_DONE_EINT)
wm8996_hpdet_irq(codec);
return IRQ_HANDLED;
}
static irqreturn_t wm8996_edge_irq(int irq, void *data)
{
irqreturn_t ret = IRQ_NONE;
irqreturn_t val;
do {
val = wm8996_irq(irq, data);
if (val != IRQ_NONE)
ret = val;
} while (val != IRQ_NONE);
return ret;
}
static void wm8996_retune_mobile_pdata(struct snd_soc_codec *codec)
{
struct wm8996_priv *wm8996 = snd_soc_codec_get_drvdata(codec);
struct wm8996_pdata *pdata = &wm8996->pdata;
struct snd_kcontrol_new controls[] = {
SOC_ENUM_EXT("DSP1 EQ Mode",
wm8996->retune_mobile_enum,
wm8996_get_retune_mobile_enum,
wm8996_put_retune_mobile_enum),
SOC_ENUM_EXT("DSP2 EQ Mode",
wm8996->retune_mobile_enum,
wm8996_get_retune_mobile_enum,
wm8996_put_retune_mobile_enum),
};
int ret, i, j;
const char **t;
/* We need an array of texts for the enum API but the number
* of texts is likely to be less than the number of
* configurations due to the sample rate dependency of the
* configurations. */
wm8996->num_retune_mobile_texts = 0;
wm8996->retune_mobile_texts = NULL;
for (i = 0; i < pdata->num_retune_mobile_cfgs; i++) {
for (j = 0; j < wm8996->num_retune_mobile_texts; j++) {
if (strcmp(pdata->retune_mobile_cfgs[i].name,
wm8996->retune_mobile_texts[j]) == 0)
break;
}
if (j != wm8996->num_retune_mobile_texts)
continue;
/* Expand the array... */
t = krealloc(wm8996->retune_mobile_texts,
sizeof(char *) *
(wm8996->num_retune_mobile_texts + 1),
GFP_KERNEL);
if (t == NULL)
continue;
/* ...store the new entry... */
t[wm8996->num_retune_mobile_texts] =
pdata->retune_mobile_cfgs[i].name;
/* ...and remember the new version. */
wm8996->num_retune_mobile_texts++;
wm8996->retune_mobile_texts = t;
}
dev_dbg(codec->dev, "Allocated %d unique ReTune Mobile names\n",
wm8996->num_retune_mobile_texts);
wm8996->retune_mobile_enum.max = wm8996->num_retune_mobile_texts;
wm8996->retune_mobile_enum.texts = wm8996->retune_mobile_texts;
ret = snd_soc_add_codec_controls(codec, controls, ARRAY_SIZE(controls));
if (ret != 0)
dev_err(codec->dev,
"Failed to add ReTune Mobile controls: %d\n", ret);
}
static const struct regmap_config wm8996_regmap = {
.reg_bits = 16,
.val_bits = 16,
.max_register = WM8996_MAX_REGISTER,
.reg_defaults = wm8996_reg,
.num_reg_defaults = ARRAY_SIZE(wm8996_reg),
.volatile_reg = wm8996_volatile_register,
.readable_reg = wm8996_readable_register,
.cache_type = REGCACHE_RBTREE,
};
static int wm8996_probe(struct snd_soc_codec *codec)
{
int ret;
struct wm8996_priv *wm8996 = snd_soc_codec_get_drvdata(codec);
struct i2c_client *i2c = to_i2c_client(codec->dev);
int irq_flags;
wm8996->codec = codec;
init_completion(&wm8996->dcs_done);
init_completion(&wm8996->fll_lock);
codec->control_data = wm8996->regmap;
ret = snd_soc_codec_set_cache_io(codec, 16, 16, SND_SOC_REGMAP);
if (ret != 0) {
dev_err(codec->dev, "Failed to set cache I/O: %d\n", ret);
goto err;
}
if (wm8996->pdata.num_retune_mobile_cfgs)
wm8996_retune_mobile_pdata(codec);
else
snd_soc_add_codec_controls(codec, wm8996_eq_controls,
ARRAY_SIZE(wm8996_eq_controls));
if (i2c->irq) {
if (wm8996->pdata.irq_flags)
irq_flags = wm8996->pdata.irq_flags;
else
irq_flags = IRQF_TRIGGER_LOW;
irq_flags |= IRQF_ONESHOT;
if (irq_flags & (IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING))
ret = request_threaded_irq(i2c->irq, NULL,
wm8996_edge_irq,
irq_flags, "wm8996", codec);
else
ret = request_threaded_irq(i2c->irq, NULL, wm8996_irq,
irq_flags, "wm8996", codec);
if (ret == 0) {
/* Unmask the interrupt */
snd_soc_update_bits(codec, WM8996_INTERRUPT_CONTROL,
WM8996_IM_IRQ, 0);
/* Enable error reporting and DC servo status */
snd_soc_update_bits(codec,
WM8996_INTERRUPT_STATUS_2_MASK,
WM8996_IM_DCS_DONE_23_EINT |
WM8996_IM_DCS_DONE_01_EINT |
WM8996_IM_FLL_LOCK_EINT |
WM8996_IM_FIFOS_ERR_EINT,
0);
} else {
dev_err(codec->dev, "Failed to request IRQ: %d\n",
ret);
}
}
return 0;
err:
return ret;
}
static int wm8996_remove(struct snd_soc_codec *codec)
{
struct i2c_client *i2c = to_i2c_client(codec->dev);
snd_soc_update_bits(codec, WM8996_INTERRUPT_CONTROL,
WM8996_IM_IRQ, WM8996_IM_IRQ);
if (i2c->irq)
free_irq(i2c->irq, codec);
return 0;
}
static struct snd_soc_codec_driver soc_codec_dev_wm8996 = {
.probe = wm8996_probe,
.remove = wm8996_remove,
.set_bias_level = wm8996_set_bias_level,
.idle_bias_off = true,
.seq_notifier = wm8996_seq_notifier,
.controls = wm8996_snd_controls,
.num_controls = ARRAY_SIZE(wm8996_snd_controls),
.dapm_widgets = wm8996_dapm_widgets,
.num_dapm_widgets = ARRAY_SIZE(wm8996_dapm_widgets),
.dapm_routes = wm8996_dapm_routes,
.num_dapm_routes = ARRAY_SIZE(wm8996_dapm_routes),
.set_pll = wm8996_set_fll,
};
#define WM8996_RATES (SNDRV_PCM_RATE_8000 | SNDRV_PCM_RATE_16000 |\
SNDRV_PCM_RATE_32000 | SNDRV_PCM_RATE_44100 |\
SNDRV_PCM_RATE_48000)
#define WM8996_FORMATS (SNDRV_PCM_FMTBIT_S8 | SNDRV_PCM_FMTBIT_S16_LE |\
SNDRV_PCM_FMTBIT_S20_3LE | SNDRV_PCM_FMTBIT_S24_LE |\
SNDRV_PCM_FMTBIT_S32_LE)
static const struct snd_soc_dai_ops wm8996_dai_ops = {
.set_fmt = wm8996_set_fmt,
.hw_params = wm8996_hw_params,
.set_sysclk = wm8996_set_sysclk,
};
static struct snd_soc_dai_driver wm8996_dai[] = {
{
.name = "wm8996-aif1",
.playback = {
.stream_name = "AIF1 Playback",
.channels_min = 1,
.channels_max = 6,
.rates = WM8996_RATES,
.formats = WM8996_FORMATS,
.sig_bits = 24,
},
.capture = {
.stream_name = "AIF1 Capture",
.channels_min = 1,
.channels_max = 6,
.rates = WM8996_RATES,
.formats = WM8996_FORMATS,
.sig_bits = 24,
},
.ops = &wm8996_dai_ops,
},
{
.name = "wm8996-aif2",
.playback = {
.stream_name = "AIF2 Playback",
.channels_min = 1,
.channels_max = 2,
.rates = WM8996_RATES,
.formats = WM8996_FORMATS,
.sig_bits = 24,
},
.capture = {
.stream_name = "AIF2 Capture",
.channels_min = 1,
.channels_max = 2,
.rates = WM8996_RATES,
.formats = WM8996_FORMATS,
.sig_bits = 24,
},
.ops = &wm8996_dai_ops,
},
};
static int wm8996_i2c_probe(struct i2c_client *i2c,
const struct i2c_device_id *id)
{
struct wm8996_priv *wm8996;
int ret, i;
unsigned int reg;
wm8996 = devm_kzalloc(&i2c->dev, sizeof(struct wm8996_priv),
GFP_KERNEL);
if (wm8996 == NULL)
return -ENOMEM;
i2c_set_clientdata(i2c, wm8996);
wm8996->dev = &i2c->dev;
if (dev_get_platdata(&i2c->dev))
memcpy(&wm8996->pdata, dev_get_platdata(&i2c->dev),
sizeof(wm8996->pdata));
if (wm8996->pdata.ldo_ena > 0) {
ret = gpio_request_one(wm8996->pdata.ldo_ena,
GPIOF_OUT_INIT_LOW, "WM8996 ENA");
if (ret < 0) {
dev_err(&i2c->dev, "Failed to request GPIO %d: %d\n",
wm8996->pdata.ldo_ena, ret);
goto err;
}
}
for (i = 0; i < ARRAY_SIZE(wm8996->supplies); i++)
wm8996->supplies[i].supply = wm8996_supply_names[i];
ret = devm_regulator_bulk_get(&i2c->dev, ARRAY_SIZE(wm8996->supplies),
wm8996->supplies);
if (ret != 0) {
dev_err(&i2c->dev, "Failed to request supplies: %d\n", ret);
goto err_gpio;
}
wm8996->disable_nb[0].notifier_call = wm8996_regulator_event_0;
wm8996->disable_nb[1].notifier_call = wm8996_regulator_event_1;
wm8996->disable_nb[2].notifier_call = wm8996_regulator_event_2;
/* This should really be moved into the regulator core */
for (i = 0; i < ARRAY_SIZE(wm8996->supplies); i++) {
ret = regulator_register_notifier(wm8996->supplies[i].consumer,
&wm8996->disable_nb[i]);
if (ret != 0) {
dev_err(&i2c->dev,
"Failed to register regulator notifier: %d\n",
ret);
}
}
ret = regulator_bulk_enable(ARRAY_SIZE(wm8996->supplies),
wm8996->supplies);
if (ret != 0) {
dev_err(&i2c->dev, "Failed to enable supplies: %d\n", ret);
goto err_gpio;
}
if (wm8996->pdata.ldo_ena > 0) {
gpio_set_value_cansleep(wm8996->pdata.ldo_ena, 1);
msleep(5);
}
wm8996->regmap = devm_regmap_init_i2c(i2c, &wm8996_regmap);
if (IS_ERR(wm8996->regmap)) {
ret = PTR_ERR(wm8996->regmap);
dev_err(&i2c->dev, "regmap_init() failed: %d\n", ret);
goto err_enable;
}
ret = regmap_read(wm8996->regmap, WM8996_SOFTWARE_RESET, ®);
if (ret < 0) {
dev_err(&i2c->dev, "Failed to read ID register: %d\n", ret);
goto err_regmap;
}
if (reg != 0x8915) {
dev_err(&i2c->dev, "Device is not a WM8996, ID %x\n", reg);
ret = -EINVAL;
goto err_regmap;
}
ret = regmap_read(wm8996->regmap, WM8996_CHIP_REVISION, ®);
if (ret < 0) {
dev_err(&i2c->dev, "Failed to read device revision: %d\n",
ret);
goto err_regmap;
}
dev_info(&i2c->dev, "revision %c\n",
(reg & WM8996_CHIP_REV_MASK) + 'A');
if (wm8996->pdata.ldo_ena > 0) {
gpio_set_value_cansleep(wm8996->pdata.ldo_ena, 0);
regcache_cache_only(wm8996->regmap, true);
} else {
ret = regmap_write(wm8996->regmap, WM8996_SOFTWARE_RESET,
0x8915);
if (ret != 0) {
dev_err(&i2c->dev, "Failed to issue reset: %d\n", ret);
goto err_regmap;
}
}
regulator_bulk_disable(ARRAY_SIZE(wm8996->supplies), wm8996->supplies);
/* Apply platform data settings */
regmap_update_bits(wm8996->regmap, WM8996_LINE_INPUT_CONTROL,
WM8996_INL_MODE_MASK | WM8996_INR_MODE_MASK,
wm8996->pdata.inl_mode << WM8996_INL_MODE_SHIFT |
wm8996->pdata.inr_mode);
for (i = 0; i < ARRAY_SIZE(wm8996->pdata.gpio_default); i++) {
if (!wm8996->pdata.gpio_default[i])
continue;
regmap_write(wm8996->regmap, WM8996_GPIO_1 + i,
wm8996->pdata.gpio_default[i] & 0xffff);
}
if (wm8996->pdata.spkmute_seq)
regmap_update_bits(wm8996->regmap,
WM8996_PDM_SPEAKER_MUTE_SEQUENCE,
WM8996_SPK_MUTE_ENDIAN |
WM8996_SPK_MUTE_SEQ1_MASK,
wm8996->pdata.spkmute_seq);
regmap_update_bits(wm8996->regmap, WM8996_ACCESSORY_DETECT_MODE_2,
WM8996_MICD_BIAS_SRC | WM8996_HPOUT1FB_SRC |
WM8996_MICD_SRC, wm8996->pdata.micdet_def);
/* Latch volume update bits */
regmap_update_bits(wm8996->regmap, WM8996_LEFT_LINE_INPUT_VOLUME,
WM8996_IN1_VU, WM8996_IN1_VU);
regmap_update_bits(wm8996->regmap, WM8996_RIGHT_LINE_INPUT_VOLUME,
WM8996_IN1_VU, WM8996_IN1_VU);
regmap_update_bits(wm8996->regmap, WM8996_DAC1_LEFT_VOLUME,
WM8996_DAC1_VU, WM8996_DAC1_VU);
regmap_update_bits(wm8996->regmap, WM8996_DAC1_RIGHT_VOLUME,
WM8996_DAC1_VU, WM8996_DAC1_VU);
regmap_update_bits(wm8996->regmap, WM8996_DAC2_LEFT_VOLUME,
WM8996_DAC2_VU, WM8996_DAC2_VU);
regmap_update_bits(wm8996->regmap, WM8996_DAC2_RIGHT_VOLUME,
WM8996_DAC2_VU, WM8996_DAC2_VU);
regmap_update_bits(wm8996->regmap, WM8996_OUTPUT1_LEFT_VOLUME,
WM8996_DAC1_VU, WM8996_DAC1_VU);
regmap_update_bits(wm8996->regmap, WM8996_OUTPUT1_RIGHT_VOLUME,
WM8996_DAC1_VU, WM8996_DAC1_VU);
regmap_update_bits(wm8996->regmap, WM8996_OUTPUT2_LEFT_VOLUME,
WM8996_DAC2_VU, WM8996_DAC2_VU);
regmap_update_bits(wm8996->regmap, WM8996_OUTPUT2_RIGHT_VOLUME,
WM8996_DAC2_VU, WM8996_DAC2_VU);
regmap_update_bits(wm8996->regmap, WM8996_DSP1_TX_LEFT_VOLUME,
WM8996_DSP1TX_VU, WM8996_DSP1TX_VU);
regmap_update_bits(wm8996->regmap, WM8996_DSP1_TX_RIGHT_VOLUME,
WM8996_DSP1TX_VU, WM8996_DSP1TX_VU);
regmap_update_bits(wm8996->regmap, WM8996_DSP2_TX_LEFT_VOLUME,
WM8996_DSP2TX_VU, WM8996_DSP2TX_VU);
regmap_update_bits(wm8996->regmap, WM8996_DSP2_TX_RIGHT_VOLUME,
WM8996_DSP2TX_VU, WM8996_DSP2TX_VU);
regmap_update_bits(wm8996->regmap, WM8996_DSP1_RX_LEFT_VOLUME,
WM8996_DSP1RX_VU, WM8996_DSP1RX_VU);
regmap_update_bits(wm8996->regmap, WM8996_DSP1_RX_RIGHT_VOLUME,
WM8996_DSP1RX_VU, WM8996_DSP1RX_VU);
regmap_update_bits(wm8996->regmap, WM8996_DSP2_RX_LEFT_VOLUME,
WM8996_DSP2RX_VU, WM8996_DSP2RX_VU);
regmap_update_bits(wm8996->regmap, WM8996_DSP2_RX_RIGHT_VOLUME,
WM8996_DSP2RX_VU, WM8996_DSP2RX_VU);
/* No support currently for the underclocked TDM modes and
* pick a default TDM layout with each channel pair working with
* slots 0 and 1. */
regmap_update_bits(wm8996->regmap,
WM8996_AIF1RX_CHANNEL_0_CONFIGURATION,
WM8996_AIF1RX_CHAN0_SLOTS_MASK |
WM8996_AIF1RX_CHAN0_START_SLOT_MASK,
1 << WM8996_AIF1RX_CHAN0_SLOTS_SHIFT | 0);
regmap_update_bits(wm8996->regmap,
WM8996_AIF1RX_CHANNEL_1_CONFIGURATION,
WM8996_AIF1RX_CHAN1_SLOTS_MASK |
WM8996_AIF1RX_CHAN1_START_SLOT_MASK,
1 << WM8996_AIF1RX_CHAN1_SLOTS_SHIFT | 1);
regmap_update_bits(wm8996->regmap,
WM8996_AIF1RX_CHANNEL_2_CONFIGURATION,
WM8996_AIF1RX_CHAN2_SLOTS_MASK |
WM8996_AIF1RX_CHAN2_START_SLOT_MASK,
1 << WM8996_AIF1RX_CHAN2_SLOTS_SHIFT | 0);
regmap_update_bits(wm8996->regmap,
WM8996_AIF1RX_CHANNEL_3_CONFIGURATION,
WM8996_AIF1RX_CHAN3_SLOTS_MASK |
WM8996_AIF1RX_CHAN0_START_SLOT_MASK,
1 << WM8996_AIF1RX_CHAN3_SLOTS_SHIFT | 1);
regmap_update_bits(wm8996->regmap,
WM8996_AIF1RX_CHANNEL_4_CONFIGURATION,
WM8996_AIF1RX_CHAN4_SLOTS_MASK |
WM8996_AIF1RX_CHAN0_START_SLOT_MASK,
1 << WM8996_AIF1RX_CHAN4_SLOTS_SHIFT | 0);
regmap_update_bits(wm8996->regmap,
WM8996_AIF1RX_CHANNEL_5_CONFIGURATION,
WM8996_AIF1RX_CHAN5_SLOTS_MASK |
WM8996_AIF1RX_CHAN0_START_SLOT_MASK,
1 << WM8996_AIF1RX_CHAN5_SLOTS_SHIFT | 1);
regmap_update_bits(wm8996->regmap,
WM8996_AIF2RX_CHANNEL_0_CONFIGURATION,
WM8996_AIF2RX_CHAN0_SLOTS_MASK |
WM8996_AIF2RX_CHAN0_START_SLOT_MASK,
1 << WM8996_AIF2RX_CHAN0_SLOTS_SHIFT | 0);
regmap_update_bits(wm8996->regmap,
WM8996_AIF2RX_CHANNEL_1_CONFIGURATION,
WM8996_AIF2RX_CHAN1_SLOTS_MASK |
WM8996_AIF2RX_CHAN1_START_SLOT_MASK,
1 << WM8996_AIF2RX_CHAN1_SLOTS_SHIFT | 1);
regmap_update_bits(wm8996->regmap,
WM8996_AIF1TX_CHANNEL_0_CONFIGURATION,
WM8996_AIF1TX_CHAN0_SLOTS_MASK |
WM8996_AIF1TX_CHAN0_START_SLOT_MASK,
1 << WM8996_AIF1TX_CHAN0_SLOTS_SHIFT | 0);
regmap_update_bits(wm8996->regmap,
WM8996_AIF1TX_CHANNEL_1_CONFIGURATION,
WM8996_AIF1TX_CHAN1_SLOTS_MASK |
WM8996_AIF1TX_CHAN0_START_SLOT_MASK,
1 << WM8996_AIF1TX_CHAN1_SLOTS_SHIFT | 1);
regmap_update_bits(wm8996->regmap,
WM8996_AIF1TX_CHANNEL_2_CONFIGURATION,
WM8996_AIF1TX_CHAN2_SLOTS_MASK |
WM8996_AIF1TX_CHAN0_START_SLOT_MASK,
1 << WM8996_AIF1TX_CHAN2_SLOTS_SHIFT | 0);
regmap_update_bits(wm8996->regmap,
WM8996_AIF1TX_CHANNEL_3_CONFIGURATION,
WM8996_AIF1TX_CHAN3_SLOTS_MASK |
WM8996_AIF1TX_CHAN0_START_SLOT_MASK,
1 << WM8996_AIF1TX_CHAN3_SLOTS_SHIFT | 1);
regmap_update_bits(wm8996->regmap,
WM8996_AIF1TX_CHANNEL_4_CONFIGURATION,
WM8996_AIF1TX_CHAN4_SLOTS_MASK |
WM8996_AIF1TX_CHAN0_START_SLOT_MASK,
1 << WM8996_AIF1TX_CHAN4_SLOTS_SHIFT | 0);
regmap_update_bits(wm8996->regmap,
WM8996_AIF1TX_CHANNEL_5_CONFIGURATION,
WM8996_AIF1TX_CHAN5_SLOTS_MASK |
WM8996_AIF1TX_CHAN0_START_SLOT_MASK,
1 << WM8996_AIF1TX_CHAN5_SLOTS_SHIFT | 1);
regmap_update_bits(wm8996->regmap,
WM8996_AIF2TX_CHANNEL_0_CONFIGURATION,
WM8996_AIF2TX_CHAN0_SLOTS_MASK |
WM8996_AIF2TX_CHAN0_START_SLOT_MASK,
1 << WM8996_AIF2TX_CHAN0_SLOTS_SHIFT | 0);
regmap_update_bits(wm8996->regmap,
WM8996_AIF1TX_CHANNEL_1_CONFIGURATION,
WM8996_AIF2TX_CHAN1_SLOTS_MASK |
WM8996_AIF2TX_CHAN1_START_SLOT_MASK,
1 << WM8996_AIF1TX_CHAN1_SLOTS_SHIFT | 1);
/* If the TX LRCLK pins are not in LRCLK mode configure the
* AIFs to source their clocks from the RX LRCLKs.
*/
ret = regmap_read(wm8996->regmap, WM8996_GPIO_1, ®);
if (ret != 0) {
dev_err(&i2c->dev, "Failed to read GPIO1: %d\n", ret);
goto err_regmap;
}
if (reg & WM8996_GP1_FN_MASK)
regmap_update_bits(wm8996->regmap, WM8996_AIF1_TX_LRCLK_2,
WM8996_AIF1TX_LRCLK_MODE,
WM8996_AIF1TX_LRCLK_MODE);
ret = regmap_read(wm8996->regmap, WM8996_GPIO_2, ®);
if (ret != 0) {
dev_err(&i2c->dev, "Failed to read GPIO2: %d\n", ret);
goto err_regmap;
}
if (reg & WM8996_GP2_FN_MASK)
regmap_update_bits(wm8996->regmap, WM8996_AIF2_TX_LRCLK_2,
WM8996_AIF2TX_LRCLK_MODE,
WM8996_AIF2TX_LRCLK_MODE);
wm8996_init_gpio(wm8996);
ret = snd_soc_register_codec(&i2c->dev,
&soc_codec_dev_wm8996, wm8996_dai,
ARRAY_SIZE(wm8996_dai));
if (ret < 0)
goto err_gpiolib;
return ret;
err_gpiolib:
wm8996_free_gpio(wm8996);
err_regmap:
err_enable:
if (wm8996->pdata.ldo_ena > 0)
gpio_set_value_cansleep(wm8996->pdata.ldo_ena, 0);
regulator_bulk_disable(ARRAY_SIZE(wm8996->supplies), wm8996->supplies);
err_gpio:
if (wm8996->pdata.ldo_ena > 0)
gpio_free(wm8996->pdata.ldo_ena);
err:
return ret;
}
static int wm8996_i2c_remove(struct i2c_client *client)
{
struct wm8996_priv *wm8996 = i2c_get_clientdata(client);
int i;
snd_soc_unregister_codec(&client->dev);
wm8996_free_gpio(wm8996);
if (wm8996->pdata.ldo_ena > 0) {
gpio_set_value_cansleep(wm8996->pdata.ldo_ena, 0);
gpio_free(wm8996->pdata.ldo_ena);
}
for (i = 0; i < ARRAY_SIZE(wm8996->supplies); i++)
regulator_unregister_notifier(wm8996->supplies[i].consumer,
&wm8996->disable_nb[i]);
return 0;
}
static const struct i2c_device_id wm8996_i2c_id[] = {
{ "wm8996", 0 },
{ }
};
MODULE_DEVICE_TABLE(i2c, wm8996_i2c_id);
static struct i2c_driver wm8996_i2c_driver = {
.driver = {
.name = "wm8996",
.owner = THIS_MODULE,
},
.probe = wm8996_i2c_probe,
.remove = wm8996_i2c_remove,
.id_table = wm8996_i2c_id,
};
module_i2c_driver(wm8996_i2c_driver);
MODULE_DESCRIPTION("ASoC WM8996 driver");
MODULE_AUTHOR("Mark Brown <broonie@opensource.wolfsonmicro.com>");
MODULE_LICENSE("GPL");