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kernel-ark/sound/soc/codecs/wm8996.c
Mark Brown ec8ffe1868 ASoC: wm8996: Move register default configuration to I2C probe 
This gets the registers set up as early as possible, mainly useful for the
GPIOs to ensure that they're in the correct mode.

Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
2012-06-25 09:55:02 +01:00

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/*
* 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),
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, &reg);
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 __devinit 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, &reg);
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, &reg);
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, &reg);
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, &reg);
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 __devexit 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 = __devexit_p(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");
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