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linux/sound/soc/codecs/wcd937x.c
Krzysztof Kozlowski 2251db28ed
ASoC: codecs: wcd937x: Fix missing de-assert of reset GPIO 
The device never comes online from a reset/shutdown state, because the
driver de-asserts reset GPIO when requesting it but then, at the end of
probe() through wcd937x_reset(), leaves it asserted.

Cc: stable@vger.kernel.org
Fixes: 9be3ec196d ("ASoC: codecs: wcd937x: add wcd937x codec driver")
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://patch.msgid.link/20240806114913.40022-1-krzysztof.kozlowski@linaro.org
Signed-off-by: Mark Brown <broonie@kernel.org>
2024-08-14 18:15:02 +01:00

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// SPDX-License-Identifier: GPL-2.0-only
// Copyright (c) 2023-2024 Qualcomm Innovation Center, Inc. All rights reserved.
#include <linux/component.h>
#include <linux/delay.h>
#include <linux/device.h>
#include <linux/gpio/consumer.h>
#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/of_gpio.h>
#include <linux/of.h>
#include <linux/platform_device.h>
#include <linux/pm_runtime.h>
#include <linux/regmap.h>
#include <linux/regulator/consumer.h>
#include <linux/slab.h>
#include <sound/jack.h>
#include <sound/pcm_params.h>
#include <sound/pcm.h>
#include <sound/soc-dapm.h>
#include <sound/soc.h>
#include <sound/tlv.h>
#include "wcd-clsh-v2.h"
#include "wcd-mbhc-v2.h"
#include "wcd937x.h"
enum {
CHIPID_WCD9370 = 0,
CHIPID_WCD9375 = 5,
};
/* Z value defined in milliohm */
#define WCD937X_ZDET_VAL_32 (32000)
#define WCD937X_ZDET_VAL_400 (400000)
#define WCD937X_ZDET_VAL_1200 (1200000)
#define WCD937X_ZDET_VAL_100K (100000000)
/* Z floating defined in ohms */
#define WCD937X_ZDET_FLOATING_IMPEDANCE (0x0FFFFFFE)
#define WCD937X_ZDET_NUM_MEASUREMENTS (900)
#define WCD937X_MBHC_GET_C1(c) (((c) & 0xC000) >> 14)
#define WCD937X_MBHC_GET_X1(x) ((x) & 0x3FFF)
/* Z value compared in milliOhm */
#define WCD937X_MBHC_IS_SECOND_RAMP_REQUIRED(z) (((z) > 400000) || ((z) < 32000))
#define WCD937X_MBHC_ZDET_CONST (86 * 16384)
#define WCD937X_MBHC_MOISTURE_RREF R_24_KOHM
#define WCD_MBHC_HS_V_MAX 1600
#define EAR_RX_PATH_AUX 1
#define WCD937X_MBHC_MAX_BUTTONS 8
#define WCD937X_RATES (SNDRV_PCM_RATE_8000 | SNDRV_PCM_RATE_16000 |\
SNDRV_PCM_RATE_32000 | SNDRV_PCM_RATE_48000 |\
SNDRV_PCM_RATE_96000 | SNDRV_PCM_RATE_192000 |\
SNDRV_PCM_RATE_384000)
/* Fractional Rates */
#define WCD937X_FRAC_RATES (SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_88200 |\
SNDRV_PCM_RATE_176400 | SNDRV_PCM_RATE_352800)
#define WCD937X_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S24_LE |\
SNDRV_PCM_FMTBIT_S24_3LE | SNDRV_PCM_FMTBIT_S32_LE)
enum {
ALLOW_BUCK_DISABLE,
HPH_COMP_DELAY,
HPH_PA_DELAY,
AMIC2_BCS_ENABLE,
};
enum {
AIF1_PB = 0,
AIF1_CAP,
NUM_CODEC_DAIS,
};
struct wcd937x_priv {
struct sdw_slave *tx_sdw_dev;
struct wcd937x_sdw_priv *sdw_priv[NUM_CODEC_DAIS];
struct device *txdev;
struct device *rxdev;
struct device_node *rxnode;
struct device_node *txnode;
struct regmap *regmap;
/* micb setup lock */
struct mutex micb_lock;
/* mbhc module */
struct wcd_mbhc *wcd_mbhc;
struct wcd_mbhc_config mbhc_cfg;
struct wcd_mbhc_intr intr_ids;
struct wcd_clsh_ctrl *clsh_info;
struct irq_domain *virq;
struct regmap_irq_chip *wcd_regmap_irq_chip;
struct regmap_irq_chip_data *irq_chip;
struct regulator_bulk_data supplies[WCD937X_MAX_BULK_SUPPLY];
struct regulator *buck_supply;
struct snd_soc_jack *jack;
unsigned long status_mask;
s32 micb_ref[WCD937X_MAX_MICBIAS];
s32 pullup_ref[WCD937X_MAX_MICBIAS];
u32 hph_mode;
int ear_rx_path;
u32 micb1_mv;
u32 micb2_mv;
u32 micb3_mv;
int hphr_pdm_wd_int;
int hphl_pdm_wd_int;
int aux_pdm_wd_int;
bool comp1_enable;
bool comp2_enable;
struct gpio_desc *us_euro_gpio;
struct gpio_desc *reset_gpio;
atomic_t rx_clk_cnt;
atomic_t ana_clk_count;
};
static const SNDRV_CTL_TLVD_DECLARE_DB_MINMAX(ear_pa_gain, 600, -1800);
static const DECLARE_TLV_DB_SCALE(line_gain, 0, 7, 1);
static const DECLARE_TLV_DB_SCALE(analog_gain, 0, 25, 1);
struct wcd937x_mbhc_zdet_param {
u16 ldo_ctl;
u16 noff;
u16 nshift;
u16 btn5;
u16 btn6;
u16 btn7;
};
static const struct wcd_mbhc_field wcd_mbhc_fields[WCD_MBHC_REG_FUNC_MAX] = {
WCD_MBHC_FIELD(WCD_MBHC_L_DET_EN, WCD937X_ANA_MBHC_MECH, 0x80),
WCD_MBHC_FIELD(WCD_MBHC_GND_DET_EN, WCD937X_ANA_MBHC_MECH, 0x40),
WCD_MBHC_FIELD(WCD_MBHC_MECH_DETECTION_TYPE, WCD937X_ANA_MBHC_MECH, 0x20),
WCD_MBHC_FIELD(WCD_MBHC_MIC_CLAMP_CTL, WCD937X_MBHC_NEW_PLUG_DETECT_CTL, 0x30),
WCD_MBHC_FIELD(WCD_MBHC_ELECT_DETECTION_TYPE, WCD937X_ANA_MBHC_ELECT, 0x08),
WCD_MBHC_FIELD(WCD_MBHC_HS_L_DET_PULL_UP_CTRL, WCD937X_MBHC_NEW_INT_MECH_DET_CURRENT, 0x1F),
WCD_MBHC_FIELD(WCD_MBHC_HS_L_DET_PULL_UP_COMP_CTRL, WCD937X_ANA_MBHC_MECH, 0x04),
WCD_MBHC_FIELD(WCD_MBHC_HPHL_PLUG_TYPE, WCD937X_ANA_MBHC_MECH, 0x10),
WCD_MBHC_FIELD(WCD_MBHC_GND_PLUG_TYPE, WCD937X_ANA_MBHC_MECH, 0x08),
WCD_MBHC_FIELD(WCD_MBHC_SW_HPH_LP_100K_TO_GND, WCD937X_ANA_MBHC_MECH, 0x01),
WCD_MBHC_FIELD(WCD_MBHC_ELECT_SCHMT_ISRC, WCD937X_ANA_MBHC_ELECT, 0x06),
WCD_MBHC_FIELD(WCD_MBHC_FSM_EN, WCD937X_ANA_MBHC_ELECT, 0x80),
WCD_MBHC_FIELD(WCD_MBHC_INSREM_DBNC, WCD937X_MBHC_NEW_PLUG_DETECT_CTL, 0x0F),
WCD_MBHC_FIELD(WCD_MBHC_BTN_DBNC, WCD937X_MBHC_NEW_CTL_1, 0x03),
WCD_MBHC_FIELD(WCD_MBHC_HS_VREF, WCD937X_MBHC_NEW_CTL_2, 0x03),
WCD_MBHC_FIELD(WCD_MBHC_HS_COMP_RESULT, WCD937X_ANA_MBHC_RESULT_3, 0x08),
WCD_MBHC_FIELD(WCD_MBHC_IN2P_CLAMP_STATE, WCD937X_ANA_MBHC_RESULT_3, 0x10),
WCD_MBHC_FIELD(WCD_MBHC_MIC_SCHMT_RESULT, WCD937X_ANA_MBHC_RESULT_3, 0x20),
WCD_MBHC_FIELD(WCD_MBHC_HPHL_SCHMT_RESULT, WCD937X_ANA_MBHC_RESULT_3, 0x80),
WCD_MBHC_FIELD(WCD_MBHC_HPHR_SCHMT_RESULT, WCD937X_ANA_MBHC_RESULT_3, 0x40),
WCD_MBHC_FIELD(WCD_MBHC_OCP_FSM_EN, WCD937X_HPH_OCP_CTL, 0x10),
WCD_MBHC_FIELD(WCD_MBHC_BTN_RESULT, WCD937X_ANA_MBHC_RESULT_3, 0x07),
WCD_MBHC_FIELD(WCD_MBHC_BTN_ISRC_CTL, WCD937X_ANA_MBHC_ELECT, 0x70),
WCD_MBHC_FIELD(WCD_MBHC_ELECT_RESULT, WCD937X_ANA_MBHC_RESULT_3, 0xFF),
WCD_MBHC_FIELD(WCD_MBHC_MICB_CTRL, WCD937X_ANA_MICB2, 0xC0),
WCD_MBHC_FIELD(WCD_MBHC_HPH_CNP_WG_TIME, WCD937X_HPH_CNP_WG_TIME, 0xFF),
WCD_MBHC_FIELD(WCD_MBHC_HPHR_PA_EN, WCD937X_ANA_HPH, 0x40),
WCD_MBHC_FIELD(WCD_MBHC_HPHL_PA_EN, WCD937X_ANA_HPH, 0x80),
WCD_MBHC_FIELD(WCD_MBHC_HPH_PA_EN, WCD937X_ANA_HPH, 0xC0),
WCD_MBHC_FIELD(WCD_MBHC_SWCH_LEVEL_REMOVE, WCD937X_ANA_MBHC_RESULT_3, 0x10),
WCD_MBHC_FIELD(WCD_MBHC_ANC_DET_EN, WCD937X_MBHC_CTL_BCS, 0x02),
WCD_MBHC_FIELD(WCD_MBHC_FSM_STATUS, WCD937X_MBHC_NEW_FSM_STATUS, 0x01),
WCD_MBHC_FIELD(WCD_MBHC_MUX_CTL, WCD937X_MBHC_NEW_CTL_2, 0x70),
WCD_MBHC_FIELD(WCD_MBHC_MOISTURE_STATUS, WCD937X_MBHC_NEW_FSM_STATUS, 0x20),
WCD_MBHC_FIELD(WCD_MBHC_HPHR_GND, WCD937X_HPH_PA_CTL2, 0x40),
WCD_MBHC_FIELD(WCD_MBHC_HPHL_GND, WCD937X_HPH_PA_CTL2, 0x10),
WCD_MBHC_FIELD(WCD_MBHC_HPHL_OCP_DET_EN, WCD937X_HPH_L_TEST, 0x01),
WCD_MBHC_FIELD(WCD_MBHC_HPHR_OCP_DET_EN, WCD937X_HPH_R_TEST, 0x01),
WCD_MBHC_FIELD(WCD_MBHC_HPHL_OCP_STATUS, WCD937X_DIGITAL_INTR_STATUS_0, 0x80),
WCD_MBHC_FIELD(WCD_MBHC_HPHR_OCP_STATUS, WCD937X_DIGITAL_INTR_STATUS_0, 0x20),
WCD_MBHC_FIELD(WCD_MBHC_ADC_EN, WCD937X_MBHC_NEW_CTL_1, 0x08),
WCD_MBHC_FIELD(WCD_MBHC_ADC_COMPLETE, WCD937X_MBHC_NEW_FSM_STATUS, 0x40),
WCD_MBHC_FIELD(WCD_MBHC_ADC_TIMEOUT, WCD937X_MBHC_NEW_FSM_STATUS, 0x80),
WCD_MBHC_FIELD(WCD_MBHC_ADC_RESULT, WCD937X_MBHC_NEW_ADC_RESULT, 0xFF),
WCD_MBHC_FIELD(WCD_MBHC_MICB2_VOUT, WCD937X_ANA_MICB2, 0x3F),
WCD_MBHC_FIELD(WCD_MBHC_ADC_MODE, WCD937X_MBHC_NEW_CTL_1, 0x10),
WCD_MBHC_FIELD(WCD_MBHC_DETECTION_DONE, WCD937X_MBHC_NEW_CTL_1, 0x04),
WCD_MBHC_FIELD(WCD_MBHC_ELECT_ISRC_EN, WCD937X_ANA_MBHC_ZDET, 0x02),
};
static const struct regmap_irq wcd937x_irqs[WCD937X_NUM_IRQS] = {
REGMAP_IRQ_REG(WCD937X_IRQ_MBHC_BUTTON_PRESS_DET, 0, BIT(0)),
REGMAP_IRQ_REG(WCD937X_IRQ_MBHC_BUTTON_RELEASE_DET, 0, BIT(1)),
REGMAP_IRQ_REG(WCD937X_IRQ_MBHC_ELECT_INS_REM_DET, 0, BIT(2)),
REGMAP_IRQ_REG(WCD937X_IRQ_MBHC_ELECT_INS_REM_LEG_DET, 0, BIT(3)),
REGMAP_IRQ_REG(WCD937X_IRQ_MBHC_SW_DET, 0, BIT(4)),
REGMAP_IRQ_REG(WCD937X_IRQ_HPHR_OCP_INT, 0, BIT(5)),
REGMAP_IRQ_REG(WCD937X_IRQ_HPHR_CNP_INT, 0, BIT(6)),
REGMAP_IRQ_REG(WCD937X_IRQ_HPHL_OCP_INT, 0, BIT(7)),
REGMAP_IRQ_REG(WCD937X_IRQ_HPHL_CNP_INT, 1, BIT(0)),
REGMAP_IRQ_REG(WCD937X_IRQ_EAR_CNP_INT, 1, BIT(1)),
REGMAP_IRQ_REG(WCD937X_IRQ_EAR_SCD_INT, 1, BIT(2)),
REGMAP_IRQ_REG(WCD937X_IRQ_AUX_CNP_INT, 1, BIT(3)),
REGMAP_IRQ_REG(WCD937X_IRQ_AUX_SCD_INT, 1, BIT(4)),
REGMAP_IRQ_REG(WCD937X_IRQ_HPHL_PDM_WD_INT, 1, BIT(5)),
REGMAP_IRQ_REG(WCD937X_IRQ_HPHR_PDM_WD_INT, 1, BIT(6)),
REGMAP_IRQ_REG(WCD937X_IRQ_AUX_PDM_WD_INT, 1, BIT(7)),
REGMAP_IRQ_REG(WCD937X_IRQ_LDORT_SCD_INT, 2, BIT(0)),
REGMAP_IRQ_REG(WCD937X_IRQ_MBHC_MOISTURE_INT, 2, BIT(1)),
REGMAP_IRQ_REG(WCD937X_IRQ_HPHL_SURGE_DET_INT, 2, BIT(2)),
REGMAP_IRQ_REG(WCD937X_IRQ_HPHR_SURGE_DET_INT, 2, BIT(3)),
};
static int wcd937x_handle_post_irq(void *data)
{
struct wcd937x_priv *wcd937x;
if (data)
wcd937x = (struct wcd937x_priv *)data;
else
return IRQ_HANDLED;
regmap_write(wcd937x->regmap, WCD937X_DIGITAL_INTR_CLEAR_0, 0);
regmap_write(wcd937x->regmap, WCD937X_DIGITAL_INTR_CLEAR_1, 0);
regmap_write(wcd937x->regmap, WCD937X_DIGITAL_INTR_CLEAR_2, 0);
return IRQ_HANDLED;
}
static const u32 wcd937x_config_regs[] = {
WCD937X_DIGITAL_INTR_LEVEL_0,
};
static const struct regmap_irq_chip wcd937x_regmap_irq_chip = {
.name = "wcd937x",
.irqs = wcd937x_irqs,
.num_irqs = ARRAY_SIZE(wcd937x_irqs),
.num_regs = 3,
.status_base = WCD937X_DIGITAL_INTR_STATUS_0,
.mask_base = WCD937X_DIGITAL_INTR_MASK_0,
.ack_base = WCD937X_DIGITAL_INTR_CLEAR_0,
.use_ack = 1,
.clear_ack = 1,
.config_base = wcd937x_config_regs,
.num_config_bases = ARRAY_SIZE(wcd937x_config_regs),
.num_config_regs = 1,
.runtime_pm = true,
.handle_post_irq = wcd937x_handle_post_irq,
.irq_drv_data = NULL,
};
static void wcd937x_reset(struct wcd937x_priv *wcd937x)
{
gpiod_set_value(wcd937x->reset_gpio, 1);
usleep_range(20, 30);
gpiod_set_value(wcd937x->reset_gpio, 0);
usleep_range(20, 30);
}
static void wcd937x_io_init(struct regmap *regmap)
{
u32 val = 0, temp = 0, temp1 = 0;
regmap_read(regmap, WCD937X_DIGITAL_EFUSE_REG_29, &val);
val = val & 0x0F;
regmap_read(regmap, WCD937X_DIGITAL_EFUSE_REG_16, &temp);
regmap_read(regmap, WCD937X_DIGITAL_EFUSE_REG_17, &temp1);
if (temp == 0x02 || temp1 > 0x09)
regmap_update_bits(regmap, WCD937X_SLEEP_CTL, 0x0E, val);
else
regmap_update_bits(regmap, WCD937X_SLEEP_CTL, 0x0e, 0x0e);
regmap_update_bits(regmap, WCD937X_SLEEP_CTL, 0x80, 0x80);
usleep_range(1000, 1010);
regmap_update_bits(regmap, WCD937X_SLEEP_CTL, 0x40, 0x40);
usleep_range(1000, 1010);
regmap_update_bits(regmap, WCD937X_LDORXTX_CONFIG, BIT(4), 0x00);
regmap_update_bits(regmap, WCD937X_BIAS_VBG_FINE_ADJ, 0xf0, BIT(7));
regmap_update_bits(regmap, WCD937X_ANA_BIAS, BIT(7), BIT(7));
regmap_update_bits(regmap, WCD937X_ANA_BIAS, BIT(6), BIT(6));
usleep_range(10000, 10010);
regmap_update_bits(regmap, WCD937X_ANA_BIAS, BIT(6), 0x00);
regmap_update_bits(regmap, WCD937X_HPH_SURGE_HPHLR_SURGE_EN, 0xff, 0xd9);
regmap_update_bits(regmap, WCD937X_MICB1_TEST_CTL_1, 0xff, 0xfa);
regmap_update_bits(regmap, WCD937X_MICB2_TEST_CTL_1, 0xff, 0xfa);
regmap_update_bits(regmap, WCD937X_MICB3_TEST_CTL_1, 0xff, 0xfa);
regmap_update_bits(regmap, WCD937X_MICB1_TEST_CTL_2, 0x38, 0x00);
regmap_update_bits(regmap, WCD937X_MICB2_TEST_CTL_2, 0x38, 0x00);
regmap_update_bits(regmap, WCD937X_MICB3_TEST_CTL_2, 0x38, 0x00);
/* Set Bandgap Fine Adjustment to +5mV for Tanggu SMIC part */
regmap_read(regmap, WCD937X_DIGITAL_EFUSE_REG_16, &val);
if (val == 0x01) {
regmap_update_bits(regmap, WCD937X_BIAS_VBG_FINE_ADJ, 0xF0, 0xB0);
} else if (val == 0x02) {
regmap_update_bits(regmap, WCD937X_HPH_NEW_INT_RDAC_HD2_CTL_L, 0x1F, 0x04);
regmap_update_bits(regmap, WCD937X_HPH_NEW_INT_RDAC_HD2_CTL_R, 0x1F, 0x04);
regmap_update_bits(regmap, WCD937X_BIAS_VBG_FINE_ADJ, 0xF0, 0xB0);
regmap_update_bits(regmap, WCD937X_HPH_NEW_INT_RDAC_GAIN_CTL, 0xF0, 0x50);
}
}
static int wcd937x_rx_clk_enable(struct snd_soc_component *component)
{
struct wcd937x_priv *wcd937x = snd_soc_component_get_drvdata(component);
if (atomic_read(&wcd937x->rx_clk_cnt))
return 0;
snd_soc_component_update_bits(component, WCD937X_DIGITAL_CDC_DIG_CLK_CTL, BIT(3), BIT(3));
snd_soc_component_update_bits(component, WCD937X_DIGITAL_CDC_ANA_CLK_CTL, BIT(0), BIT(0));
snd_soc_component_update_bits(component, WCD937X_ANA_RX_SUPPLIES, BIT(0), BIT(0));
snd_soc_component_update_bits(component, WCD937X_DIGITAL_CDC_RX0_CTL, BIT(6), 0x00);
snd_soc_component_update_bits(component, WCD937X_DIGITAL_CDC_RX1_CTL, BIT(6), 0x00);
snd_soc_component_update_bits(component, WCD937X_DIGITAL_CDC_RX2_CTL, BIT(6), 0x00);
snd_soc_component_update_bits(component, WCD937X_DIGITAL_CDC_ANA_CLK_CTL, BIT(1), BIT(1));
atomic_inc(&wcd937x->rx_clk_cnt);
return 0;
}
static int wcd937x_rx_clk_disable(struct snd_soc_component *component)
{
struct wcd937x_priv *wcd937x = snd_soc_component_get_drvdata(component);
if (!atomic_read(&wcd937x->rx_clk_cnt)) {
dev_err(component->dev, "clk already disabled\n");
return 0;
}
atomic_dec(&wcd937x->rx_clk_cnt);
snd_soc_component_update_bits(component, WCD937X_ANA_RX_SUPPLIES, BIT(0), 0x00);
snd_soc_component_update_bits(component, WCD937X_DIGITAL_CDC_ANA_CLK_CTL, BIT(1), 0x00);
snd_soc_component_update_bits(component, WCD937X_DIGITAL_CDC_ANA_CLK_CTL, BIT(0), 0x00);
return 0;
}
static int wcd937x_codec_hphl_dac_event(struct snd_soc_dapm_widget *w,
struct snd_kcontrol *kcontrol,
int event)
{
struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm);
struct wcd937x_priv *wcd937x = snd_soc_component_get_drvdata(component);
int hph_mode = wcd937x->hph_mode;
switch (event) {
case SND_SOC_DAPM_PRE_PMU:
wcd937x_rx_clk_enable(component);
snd_soc_component_update_bits(component,
WCD937X_DIGITAL_CDC_DIG_CLK_CTL,
BIT(0), BIT(0));
snd_soc_component_update_bits(component,
WCD937X_DIGITAL_CDC_HPH_GAIN_CTL,
BIT(2), BIT(2));
snd_soc_component_update_bits(component,
WCD937X_HPH_RDAC_CLK_CTL1,
BIT(7), 0x00);
set_bit(HPH_COMP_DELAY, &wcd937x->status_mask);
break;
case SND_SOC_DAPM_POST_PMU:
if (hph_mode == CLS_AB_HIFI || hph_mode == CLS_H_HIFI)
snd_soc_component_update_bits(component,
WCD937X_HPH_NEW_INT_RDAC_HD2_CTL_L,
0x0f, BIT(1));
else if (hph_mode == CLS_H_LOHIFI)
snd_soc_component_update_bits(component,
WCD937X_HPH_NEW_INT_RDAC_HD2_CTL_L,
0x0f, 0x06);
if (wcd937x->comp1_enable) {
snd_soc_component_update_bits(component,
WCD937X_DIGITAL_CDC_COMP_CTL_0,
BIT(1), BIT(1));
snd_soc_component_update_bits(component,
WCD937X_HPH_L_EN,
BIT(5), 0x00);
if (wcd937x->comp2_enable) {
snd_soc_component_update_bits(component,
WCD937X_DIGITAL_CDC_COMP_CTL_0,
BIT(0), BIT(0));
snd_soc_component_update_bits(component,
WCD937X_HPH_R_EN, BIT(5), 0x00);
}
if (test_bit(HPH_COMP_DELAY, &wcd937x->status_mask)) {
usleep_range(5000, 5110);
clear_bit(HPH_COMP_DELAY, &wcd937x->status_mask);
}
} else {
snd_soc_component_update_bits(component,
WCD937X_DIGITAL_CDC_COMP_CTL_0,
BIT(1), 0x00);
snd_soc_component_update_bits(component,
WCD937X_HPH_L_EN,
BIT(5), BIT(5));
}
snd_soc_component_update_bits(component,
WCD937X_HPH_NEW_INT_HPH_TIMER1,
BIT(1), 0x00);
break;
case SND_SOC_DAPM_POST_PMD:
snd_soc_component_update_bits(component,
WCD937X_HPH_NEW_INT_RDAC_HD2_CTL_L,
0x0f, BIT(0));
break;
}
return 0;
}
static int wcd937x_codec_hphr_dac_event(struct snd_soc_dapm_widget *w,
struct snd_kcontrol *kcontrol,
int event)
{
struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm);
struct wcd937x_priv *wcd937x = snd_soc_component_get_drvdata(component);
int hph_mode = wcd937x->hph_mode;
switch (event) {
case SND_SOC_DAPM_PRE_PMU:
wcd937x_rx_clk_enable(component);
snd_soc_component_update_bits(component,
WCD937X_DIGITAL_CDC_DIG_CLK_CTL, BIT(1), BIT(1));
snd_soc_component_update_bits(component,
WCD937X_DIGITAL_CDC_HPH_GAIN_CTL, BIT(3), BIT(3));
snd_soc_component_update_bits(component,
WCD937X_HPH_RDAC_CLK_CTL1, BIT(7), 0x00);
set_bit(HPH_COMP_DELAY, &wcd937x->status_mask);
break;
case SND_SOC_DAPM_POST_PMU:
if (hph_mode == CLS_AB_HIFI || hph_mode == CLS_H_HIFI)
snd_soc_component_update_bits(component,
WCD937X_HPH_NEW_INT_RDAC_HD2_CTL_R,
0x0f, BIT(1));
else if (hph_mode == CLS_H_LOHIFI)
snd_soc_component_update_bits(component,
WCD937X_HPH_NEW_INT_RDAC_HD2_CTL_R,
0x0f, 0x06);
if (wcd937x->comp2_enable) {
snd_soc_component_update_bits(component,
WCD937X_DIGITAL_CDC_COMP_CTL_0,
BIT(0), BIT(0));
snd_soc_component_update_bits(component,
WCD937X_HPH_R_EN, BIT(5), 0x00);
if (wcd937x->comp1_enable) {
snd_soc_component_update_bits(component,
WCD937X_DIGITAL_CDC_COMP_CTL_0,
BIT(1), BIT(1));
snd_soc_component_update_bits(component,
WCD937X_HPH_L_EN,
BIT(5), 0x00);
}
if (test_bit(HPH_COMP_DELAY, &wcd937x->status_mask)) {
usleep_range(5000, 5110);
clear_bit(HPH_COMP_DELAY, &wcd937x->status_mask);
}
} else {
snd_soc_component_update_bits(component,
WCD937X_DIGITAL_CDC_COMP_CTL_0,
BIT(0), 0x00);
snd_soc_component_update_bits(component,
WCD937X_HPH_R_EN,
BIT(5), BIT(5));
}
snd_soc_component_update_bits(component,
WCD937X_HPH_NEW_INT_HPH_TIMER1,
BIT(1), 0x00);
break;
case SND_SOC_DAPM_POST_PMD:
snd_soc_component_update_bits(component,
WCD937X_HPH_NEW_INT_RDAC_HD2_CTL_R,
0x0f, BIT(0));
break;
}
return 0;
}
static int wcd937x_codec_ear_dac_event(struct snd_soc_dapm_widget *w,
struct snd_kcontrol *kcontrol,
int event)
{
struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm);
struct wcd937x_priv *wcd937x = snd_soc_component_get_drvdata(component);
int hph_mode = wcd937x->hph_mode;
switch (event) {
case SND_SOC_DAPM_PRE_PMU:
wcd937x_rx_clk_enable(component);
snd_soc_component_update_bits(component,
WCD937X_DIGITAL_CDC_HPH_GAIN_CTL,
BIT(2), BIT(2));
snd_soc_component_update_bits(component,
WCD937X_DIGITAL_CDC_DIG_CLK_CTL,
BIT(0), BIT(0));
if (hph_mode == CLS_AB_HIFI || hph_mode == CLS_H_HIFI)
snd_soc_component_update_bits(component,
WCD937X_HPH_NEW_INT_RDAC_HD2_CTL_L,
0x0f, BIT(1));
else if (hph_mode == CLS_H_LOHIFI)
snd_soc_component_update_bits(component,
WCD937X_HPH_NEW_INT_RDAC_HD2_CTL_L,
0x0f, 0x06);
if (wcd937x->comp1_enable)
snd_soc_component_update_bits(component,
WCD937X_DIGITAL_CDC_COMP_CTL_0,
BIT(1), BIT(1));
usleep_range(5000, 5010);
snd_soc_component_update_bits(component, WCD937X_FLYBACK_EN, BIT(2), 0x00);
wcd_clsh_ctrl_set_state(wcd937x->clsh_info,
WCD_CLSH_EVENT_PRE_DAC,
WCD_CLSH_STATE_EAR,
hph_mode);
break;
case SND_SOC_DAPM_POST_PMD:
if (hph_mode == CLS_AB_HIFI || hph_mode == CLS_H_LOHIFI ||
hph_mode == CLS_H_HIFI)
snd_soc_component_update_bits(component,
WCD937X_HPH_NEW_INT_RDAC_HD2_CTL_L,
0x0f, BIT(0));
if (wcd937x->comp1_enable)
snd_soc_component_update_bits(component,
WCD937X_DIGITAL_CDC_COMP_CTL_0,
BIT(1), 0x00);
break;
}
return 0;
}
static int wcd937x_codec_aux_dac_event(struct snd_soc_dapm_widget *w,
struct snd_kcontrol *kcontrol,
int event)
{
struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm);
struct wcd937x_priv *wcd937x = snd_soc_component_get_drvdata(component);
int hph_mode = wcd937x->hph_mode;
switch (event) {
case SND_SOC_DAPM_PRE_PMU:
wcd937x_rx_clk_enable(component);
snd_soc_component_update_bits(component,
WCD937X_DIGITAL_CDC_ANA_CLK_CTL,
BIT(2), BIT(2));
snd_soc_component_update_bits(component,
WCD937X_DIGITAL_CDC_DIG_CLK_CTL,
BIT(2), BIT(2));
snd_soc_component_update_bits(component,
WCD937X_DIGITAL_CDC_AUX_GAIN_CTL,
BIT(0), BIT(0));
wcd_clsh_ctrl_set_state(wcd937x->clsh_info,
WCD_CLSH_EVENT_PRE_DAC,
WCD_CLSH_STATE_AUX,
hph_mode);
break;
case SND_SOC_DAPM_POST_PMD:
snd_soc_component_update_bits(component,
WCD937X_DIGITAL_CDC_ANA_CLK_CTL,
BIT(2), 0x00);
break;
}
return 0;
}
static int wcd937x_codec_enable_hphr_pa(struct snd_soc_dapm_widget *w,
struct snd_kcontrol *kcontrol,
int event)
{
struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm);
struct wcd937x_priv *wcd937x = snd_soc_component_get_drvdata(component);
int hph_mode = wcd937x->hph_mode;
switch (event) {
case SND_SOC_DAPM_PRE_PMU:
wcd_clsh_ctrl_set_state(wcd937x->clsh_info,
WCD_CLSH_EVENT_PRE_DAC,
WCD_CLSH_STATE_HPHR,
hph_mode);
snd_soc_component_update_bits(component, WCD937X_ANA_HPH,
BIT(4), BIT(4));
usleep_range(100, 110);
set_bit(HPH_PA_DELAY, &wcd937x->status_mask);
snd_soc_component_update_bits(component,
WCD937X_DIGITAL_PDM_WD_CTL1,
0x07, 0x03);
break;
case SND_SOC_DAPM_POST_PMU:
if (test_bit(HPH_PA_DELAY, &wcd937x->status_mask)) {
if (wcd937x->comp2_enable)
usleep_range(7000, 7100);
else
usleep_range(20000, 20100);
clear_bit(HPH_PA_DELAY, &wcd937x->status_mask);
}
snd_soc_component_update_bits(component,
WCD937X_HPH_NEW_INT_HPH_TIMER1,
BIT(1), BIT(1));
if (hph_mode == CLS_AB || hph_mode == CLS_AB_HIFI)
snd_soc_component_update_bits(component,
WCD937X_ANA_RX_SUPPLIES,
BIT(1), BIT(1));
enable_irq(wcd937x->hphr_pdm_wd_int);
break;
case SND_SOC_DAPM_PRE_PMD:
disable_irq_nosync(wcd937x->hphr_pdm_wd_int);
set_bit(HPH_PA_DELAY, &wcd937x->status_mask);
wcd_mbhc_event_notify(wcd937x->wcd_mbhc, WCD_EVENT_PRE_HPHR_PA_OFF);
break;
case SND_SOC_DAPM_POST_PMD:
if (test_bit(HPH_PA_DELAY, &wcd937x->status_mask)) {
if (wcd937x->comp2_enable)
usleep_range(7000, 7100);
else
usleep_range(20000, 20100);
clear_bit(HPH_PA_DELAY, &wcd937x->status_mask);
}
wcd_mbhc_event_notify(wcd937x->wcd_mbhc, WCD_EVENT_POST_HPHR_PA_OFF);
snd_soc_component_update_bits(component,
WCD937X_DIGITAL_PDM_WD_CTL1, 0x07, 0x00);
snd_soc_component_update_bits(component, WCD937X_ANA_HPH,
BIT(4), 0x00);
wcd_clsh_ctrl_set_state(wcd937x->clsh_info,
WCD_CLSH_EVENT_POST_PA,
WCD_CLSH_STATE_HPHR,
hph_mode);
break;
}
return 0;
}
static int wcd937x_codec_enable_hphl_pa(struct snd_soc_dapm_widget *w,
struct snd_kcontrol *kcontrol,
int event)
{
struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm);
struct wcd937x_priv *wcd937x = snd_soc_component_get_drvdata(component);
int hph_mode = wcd937x->hph_mode;
switch (event) {
case SND_SOC_DAPM_PRE_PMU:
wcd_clsh_ctrl_set_state(wcd937x->clsh_info,
WCD_CLSH_EVENT_PRE_DAC,
WCD_CLSH_STATE_HPHL,
hph_mode);
snd_soc_component_update_bits(component, WCD937X_ANA_HPH,
BIT(5), BIT(5));
usleep_range(100, 110);
set_bit(HPH_PA_DELAY, &wcd937x->status_mask);
snd_soc_component_update_bits(component,
WCD937X_DIGITAL_PDM_WD_CTL0, 0x07, 0x03);
break;
case SND_SOC_DAPM_POST_PMU:
if (test_bit(HPH_PA_DELAY, &wcd937x->status_mask)) {
if (!wcd937x->comp1_enable)
usleep_range(20000, 20100);
else
usleep_range(7000, 7100);
clear_bit(HPH_PA_DELAY, &wcd937x->status_mask);
}
snd_soc_component_update_bits(component,
WCD937X_HPH_NEW_INT_HPH_TIMER1,
BIT(1), BIT(1));
if (hph_mode == CLS_AB || hph_mode == CLS_AB_HIFI)
snd_soc_component_update_bits(component,
WCD937X_ANA_RX_SUPPLIES,
BIT(1), BIT(1));
enable_irq(wcd937x->hphl_pdm_wd_int);
break;
case SND_SOC_DAPM_PRE_PMD:
disable_irq_nosync(wcd937x->hphl_pdm_wd_int);
set_bit(HPH_PA_DELAY, &wcd937x->status_mask);
wcd_mbhc_event_notify(wcd937x->wcd_mbhc, WCD_EVENT_PRE_HPHL_PA_OFF);
break;
case SND_SOC_DAPM_POST_PMD:
if (test_bit(HPH_PA_DELAY, &wcd937x->status_mask)) {
if (!wcd937x->comp1_enable)
usleep_range(20000, 20100);
else
usleep_range(7000, 7100);
clear_bit(HPH_PA_DELAY, &wcd937x->status_mask);
}
wcd_mbhc_event_notify(wcd937x->wcd_mbhc, WCD_EVENT_POST_HPHL_PA_OFF);
snd_soc_component_update_bits(component,
WCD937X_DIGITAL_PDM_WD_CTL0, 0x07, 0x00);
snd_soc_component_update_bits(component,
WCD937X_ANA_HPH, BIT(5), 0x00);
wcd_clsh_ctrl_set_state(wcd937x->clsh_info,
WCD_CLSH_EVENT_POST_PA,
WCD_CLSH_STATE_HPHL,
hph_mode);
break;
}
return 0;
}
static int wcd937x_codec_enable_aux_pa(struct snd_soc_dapm_widget *w,
struct snd_kcontrol *kcontrol,
int event)
{
struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm);
struct wcd937x_priv *wcd937x = snd_soc_component_get_drvdata(component);
int hph_mode = wcd937x->hph_mode;
switch (event) {
case SND_SOC_DAPM_PRE_PMU:
snd_soc_component_update_bits(component,
WCD937X_DIGITAL_PDM_WD_CTL2,
BIT(0), BIT(0));
break;
case SND_SOC_DAPM_POST_PMU:
usleep_range(1000, 1010);
if (hph_mode == CLS_AB || hph_mode == CLS_AB_HIFI)
snd_soc_component_update_bits(component,
WCD937X_ANA_RX_SUPPLIES,
BIT(1), BIT(1));
enable_irq(wcd937x->aux_pdm_wd_int);
break;
case SND_SOC_DAPM_PRE_PMD:
disable_irq_nosync(wcd937x->aux_pdm_wd_int);
break;
case SND_SOC_DAPM_POST_PMD:
usleep_range(2000, 2010);
wcd_clsh_ctrl_set_state(wcd937x->clsh_info,
WCD_CLSH_EVENT_POST_PA,
WCD_CLSH_STATE_AUX,
hph_mode);
snd_soc_component_update_bits(component,
WCD937X_DIGITAL_PDM_WD_CTL2,
BIT(0), 0x00);
break;
}
return 0;
}
static int wcd937x_codec_enable_ear_pa(struct snd_soc_dapm_widget *w,
struct snd_kcontrol *kcontrol,
int event)
{
struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm);
struct wcd937x_priv *wcd937x = snd_soc_component_get_drvdata(component);
int hph_mode = wcd937x->hph_mode;
switch (event) {
case SND_SOC_DAPM_PRE_PMU:
/* Enable watchdog interrupt for HPHL or AUX depending on mux value */
wcd937x->ear_rx_path = snd_soc_component_read(component,
WCD937X_DIGITAL_CDC_EAR_PATH_CTL);
if (wcd937x->ear_rx_path & EAR_RX_PATH_AUX)
snd_soc_component_update_bits(component,
WCD937X_DIGITAL_PDM_WD_CTL2,
BIT(0), BIT(0));
else
snd_soc_component_update_bits(component,
WCD937X_DIGITAL_PDM_WD_CTL0,
0x07, 0x03);
if (!wcd937x->comp1_enable)
snd_soc_component_update_bits(component,
WCD937X_ANA_EAR_COMPANDER_CTL,
BIT(7), BIT(7));
break;
case SND_SOC_DAPM_POST_PMU:
usleep_range(6000, 6010);
if (hph_mode == CLS_AB || hph_mode == CLS_AB_HIFI)
snd_soc_component_update_bits(component,
WCD937X_ANA_RX_SUPPLIES,
BIT(1), BIT(1));
if (wcd937x->ear_rx_path & EAR_RX_PATH_AUX)
enable_irq(wcd937x->aux_pdm_wd_int);
else
enable_irq(wcd937x->hphl_pdm_wd_int);
break;
case SND_SOC_DAPM_PRE_PMD:
if (wcd937x->ear_rx_path & EAR_RX_PATH_AUX)
disable_irq_nosync(wcd937x->aux_pdm_wd_int);
else
disable_irq_nosync(wcd937x->hphl_pdm_wd_int);
break;
case SND_SOC_DAPM_POST_PMD:
if (!wcd937x->comp1_enable)
snd_soc_component_update_bits(component,
WCD937X_ANA_EAR_COMPANDER_CTL,
BIT(7), 0x00);
usleep_range(7000, 7010);
wcd_clsh_ctrl_set_state(wcd937x->clsh_info,
WCD_CLSH_EVENT_POST_PA,
WCD_CLSH_STATE_EAR,
hph_mode);
snd_soc_component_update_bits(component, WCD937X_FLYBACK_EN,
BIT(2), BIT(2));
if (wcd937x->ear_rx_path & EAR_RX_PATH_AUX)
snd_soc_component_update_bits(component,
WCD937X_DIGITAL_PDM_WD_CTL2,
BIT(0), 0x00);
else
snd_soc_component_update_bits(component,
WCD937X_DIGITAL_PDM_WD_CTL0,
0x07, 0x00);
break;
}
return 0;
}
static int wcd937x_enable_rx1(struct snd_soc_dapm_widget *w,
struct snd_kcontrol *kcontrol,
int event)
{
struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm);
if (event == SND_SOC_DAPM_POST_PMD) {
wcd937x_rx_clk_disable(component);
snd_soc_component_update_bits(component,
WCD937X_DIGITAL_CDC_DIG_CLK_CTL,
BIT(0), 0x00);
}
return 0;
}
static int wcd937x_enable_rx2(struct snd_soc_dapm_widget *w,
struct snd_kcontrol *kcontrol, int event)
{
struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm);
if (event == SND_SOC_DAPM_POST_PMD) {
wcd937x_rx_clk_disable(component);
snd_soc_component_update_bits(component,
WCD937X_DIGITAL_CDC_DIG_CLK_CTL,
BIT(1), 0x00);
}
return 0;
}
static int wcd937x_enable_rx3(struct snd_soc_dapm_widget *w,
struct snd_kcontrol *kcontrol,
int event)
{
struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm);
if (event == SND_SOC_DAPM_POST_PMD) {
usleep_range(6000, 6010);
wcd937x_rx_clk_disable(component);
snd_soc_component_update_bits(component,
WCD937X_DIGITAL_CDC_DIG_CLK_CTL,
BIT(2), 0x00);
}
return 0;
}
static int wcd937x_get_micb_vout_ctl_val(u32 micb_mv)
{
if (micb_mv < 1000 || micb_mv > 2850) {
pr_err("Unsupported micbias voltage (%u mV)\n", micb_mv);
return -EINVAL;
}
return (micb_mv - 1000) / 50;
}
static int wcd937x_tx_swr_ctrl(struct snd_soc_dapm_widget *w,
struct snd_kcontrol *kcontrol, int event)
{
struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm);
struct wcd937x_priv *wcd937x = snd_soc_component_get_drvdata(component);
bool use_amic3 = snd_soc_component_read(component, WCD937X_TX_NEW_TX_CH2_SEL) & BIT(7);
/* Enable BCS for Headset mic */
if (event == SND_SOC_DAPM_PRE_PMU && strnstr(w->name, "ADC", sizeof("ADC")))
if (w->shift == 1 && !use_amic3)
set_bit(AMIC2_BCS_ENABLE, &wcd937x->status_mask);
return 0;
}
static int wcd937x_codec_enable_adc(struct snd_soc_dapm_widget *w,
struct snd_kcontrol *kcontrol, int event)
{
struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm);
struct wcd937x_priv *wcd937x = snd_soc_component_get_drvdata(component);
switch (event) {
case SND_SOC_DAPM_PRE_PMU:
atomic_inc(&wcd937x->ana_clk_count);
snd_soc_component_update_bits(component,
WCD937X_DIGITAL_CDC_DIG_CLK_CTL, BIT(7), BIT(7));
snd_soc_component_update_bits(component,
WCD937X_DIGITAL_CDC_ANA_CLK_CTL, BIT(3), BIT(3));
snd_soc_component_update_bits(component,
WCD937X_DIGITAL_CDC_ANA_CLK_CTL, BIT(4), BIT(4));
break;
case SND_SOC_DAPM_POST_PMD:
if (w->shift == 1 && test_bit(AMIC2_BCS_ENABLE, &wcd937x->status_mask))
clear_bit(AMIC2_BCS_ENABLE, &wcd937x->status_mask);
snd_soc_component_update_bits(component,
WCD937X_DIGITAL_CDC_ANA_CLK_CTL, BIT(3), 0x00);
break;
}
return 0;
}
static int wcd937x_enable_req(struct snd_soc_dapm_widget *w,
struct snd_kcontrol *kcontrol, int event)
{
struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm);
struct wcd937x_priv *wcd937x = snd_soc_component_get_drvdata(component);
switch (event) {
case SND_SOC_DAPM_PRE_PMU:
snd_soc_component_update_bits(component,
WCD937X_DIGITAL_CDC_REQ_CTL, BIT(1), BIT(1));
snd_soc_component_update_bits(component,
WCD937X_DIGITAL_CDC_REQ_CTL, BIT(0), 0x00);
snd_soc_component_update_bits(component,
WCD937X_ANA_TX_CH2, BIT(6), BIT(6));
snd_soc_component_update_bits(component,
WCD937X_ANA_TX_CH3_HPF, BIT(6), BIT(6));
snd_soc_component_update_bits(component,
WCD937X_DIGITAL_CDC_DIG_CLK_CTL, 0x70, 0x70);
snd_soc_component_update_bits(component,
WCD937X_ANA_TX_CH1, BIT(7), BIT(7));
snd_soc_component_update_bits(component,
WCD937X_ANA_TX_CH2, BIT(6), 0x00);
snd_soc_component_update_bits(component,
WCD937X_ANA_TX_CH2, BIT(7), BIT(7));
snd_soc_component_update_bits(component,
WCD937X_ANA_TX_CH3, BIT(7), BIT(7));
break;
case SND_SOC_DAPM_POST_PMD:
snd_soc_component_update_bits(component,
WCD937X_ANA_TX_CH1, BIT(7), 0x00);
snd_soc_component_update_bits(component,
WCD937X_ANA_TX_CH2, BIT(7), 0x00);
snd_soc_component_update_bits(component,
WCD937X_ANA_TX_CH3, BIT(7), 0x00);
snd_soc_component_update_bits(component,
WCD937X_DIGITAL_CDC_DIG_CLK_CTL, BIT(4), 0x00);
atomic_dec(&wcd937x->ana_clk_count);
if (atomic_read(&wcd937x->ana_clk_count) <= 0) {
snd_soc_component_update_bits(component,
WCD937X_DIGITAL_CDC_ANA_CLK_CTL,
BIT(4), 0x00);
atomic_set(&wcd937x->ana_clk_count, 0);
}
snd_soc_component_update_bits(component,
WCD937X_DIGITAL_CDC_DIG_CLK_CTL,
BIT(7), 0x00);
break;
}
return 0;
}
static int wcd937x_codec_enable_dmic(struct snd_soc_dapm_widget *w,
struct snd_kcontrol *kcontrol,
int event)
{
struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm);
u16 dmic_clk_reg;
switch (w->shift) {
case 0:
case 1:
dmic_clk_reg = WCD937X_DIGITAL_CDC_DMIC1_CTL;
break;
case 2:
case 3:
dmic_clk_reg = WCD937X_DIGITAL_CDC_DMIC2_CTL;
break;
case 4:
case 5:
dmic_clk_reg = WCD937X_DIGITAL_CDC_DMIC3_CTL;
break;
default:
dev_err(component->dev, "Invalid DMIC Selection\n");
return -EINVAL;
}
switch (event) {
case SND_SOC_DAPM_PRE_PMU:
snd_soc_component_update_bits(component,
WCD937X_DIGITAL_CDC_DIG_CLK_CTL,
BIT(7), BIT(7));
snd_soc_component_update_bits(component,
dmic_clk_reg, 0x07, BIT(1));
snd_soc_component_update_bits(component,
dmic_clk_reg, BIT(3), BIT(3));
snd_soc_component_update_bits(component,
dmic_clk_reg, 0x70, BIT(5));
break;
}
return 0;
}
static int wcd937x_micbias_control(struct snd_soc_component *component,
int micb_num, int req, bool is_dapm)
{
struct wcd937x_priv *wcd937x = snd_soc_component_get_drvdata(component);
int micb_index = micb_num - 1;
u16 micb_reg;
if (micb_index < 0 || (micb_index > WCD937X_MAX_MICBIAS - 1)) {
dev_err(component->dev, "Invalid micbias index, micb_ind:%d\n", micb_index);
return -EINVAL;
}
switch (micb_num) {
case MIC_BIAS_1:
micb_reg = WCD937X_ANA_MICB1;
break;
case MIC_BIAS_2:
micb_reg = WCD937X_ANA_MICB2;
break;
case MIC_BIAS_3:
micb_reg = WCD937X_ANA_MICB3;
break;
default:
dev_err(component->dev, "Invalid micbias number: %d\n", micb_num);
return -EINVAL;
}
mutex_lock(&wcd937x->micb_lock);
switch (req) {
case MICB_PULLUP_ENABLE:
wcd937x->pullup_ref[micb_index]++;
if (wcd937x->pullup_ref[micb_index] == 1 &&
wcd937x->micb_ref[micb_index] == 0)
snd_soc_component_update_bits(component, micb_reg,
0xc0, BIT(7));
break;
case MICB_PULLUP_DISABLE:
if (wcd937x->pullup_ref[micb_index] > 0)
wcd937x->pullup_ref[micb_index]++;
if (wcd937x->pullup_ref[micb_index] == 0 &&
wcd937x->micb_ref[micb_index] == 0)
snd_soc_component_update_bits(component, micb_reg,
0xc0, 0x00);
break;
case MICB_ENABLE:
wcd937x->micb_ref[micb_index]++;
atomic_inc(&wcd937x->ana_clk_count);
if (wcd937x->micb_ref[micb_index] == 1) {
snd_soc_component_update_bits(component,
WCD937X_DIGITAL_CDC_DIG_CLK_CTL,
0xf0, 0xf0);
snd_soc_component_update_bits(component,
WCD937X_DIGITAL_CDC_ANA_CLK_CTL,
BIT(4), BIT(4));
snd_soc_component_update_bits(component,
WCD937X_MICB1_TEST_CTL_2,
BIT(0), BIT(0));
snd_soc_component_update_bits(component,
WCD937X_MICB2_TEST_CTL_2,
BIT(0), BIT(0));
snd_soc_component_update_bits(component,
WCD937X_MICB3_TEST_CTL_2,
BIT(0), BIT(0));
snd_soc_component_update_bits(component,
micb_reg, 0xc0, BIT(6));
if (micb_num == MIC_BIAS_2)
wcd_mbhc_event_notify(wcd937x->wcd_mbhc,
WCD_EVENT_POST_MICBIAS_2_ON);
if (micb_num == MIC_BIAS_2 && is_dapm)
wcd_mbhc_event_notify(wcd937x->wcd_mbhc,
WCD_EVENT_POST_DAPM_MICBIAS_2_ON);
}
break;
case MICB_DISABLE:
atomic_dec(&wcd937x->ana_clk_count);
if (wcd937x->micb_ref[micb_index] > 0)
wcd937x->micb_ref[micb_index]--;
if (wcd937x->micb_ref[micb_index] == 0 &&
wcd937x->pullup_ref[micb_index] > 0)
snd_soc_component_update_bits(component, micb_reg,
0xc0, BIT(7));
else if (wcd937x->micb_ref[micb_index] == 0 &&
wcd937x->pullup_ref[micb_index] == 0) {
if (micb_num == MIC_BIAS_2)
wcd_mbhc_event_notify(wcd937x->wcd_mbhc,
WCD_EVENT_PRE_MICBIAS_2_OFF);
snd_soc_component_update_bits(component, micb_reg,
0xc0, 0x00);
if (micb_num == MIC_BIAS_2)
wcd_mbhc_event_notify(wcd937x->wcd_mbhc,
WCD_EVENT_POST_MICBIAS_2_OFF);
}
if (is_dapm && micb_num == MIC_BIAS_2)
wcd_mbhc_event_notify(wcd937x->wcd_mbhc,
WCD_EVENT_POST_DAPM_MICBIAS_2_OFF);
if (atomic_read(&wcd937x->ana_clk_count) <= 0) {
snd_soc_component_update_bits(component,
WCD937X_DIGITAL_CDC_ANA_CLK_CTL,
BIT(4), 0x00);
atomic_set(&wcd937x->ana_clk_count, 0);
}
break;
}
mutex_unlock(&wcd937x->micb_lock);
return 0;
}
static int __wcd937x_codec_enable_micbias(struct snd_soc_dapm_widget *w,
int event)
{
struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm);
int micb_num = w->shift;
switch (event) {
case SND_SOC_DAPM_PRE_PMU:
wcd937x_micbias_control(component, micb_num,
MICB_ENABLE, true);
break;
case SND_SOC_DAPM_POST_PMU:
usleep_range(1000, 1100);
break;
case SND_SOC_DAPM_POST_PMD:
wcd937x_micbias_control(component, micb_num,
MICB_DISABLE, true);
break;
}
return 0;
}
static int wcd937x_codec_enable_micbias(struct snd_soc_dapm_widget *w,
struct snd_kcontrol *kcontrol,
int event)
{
return __wcd937x_codec_enable_micbias(w, event);
}
static int __wcd937x_codec_enable_micbias_pullup(struct snd_soc_dapm_widget *w,
int event)
{
struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm);
int micb_num = w->shift;
switch (event) {
case SND_SOC_DAPM_PRE_PMU:
wcd937x_micbias_control(component, micb_num, MICB_PULLUP_ENABLE, true);
break;
case SND_SOC_DAPM_POST_PMU:
usleep_range(1000, 1100);
break;
case SND_SOC_DAPM_POST_PMD:
wcd937x_micbias_control(component, micb_num, MICB_PULLUP_DISABLE, true);
break;
}
return 0;
}
static int wcd937x_codec_enable_micbias_pullup(struct snd_soc_dapm_widget *w,
struct snd_kcontrol *kcontrol,
int event)
{
return __wcd937x_codec_enable_micbias_pullup(w, event);
}
static int wcd937x_connect_port(struct wcd937x_sdw_priv *wcd, u8 port_idx, u8 ch_id, bool enable)
{
struct sdw_port_config *port_config = &wcd->port_config[port_idx - 1];
const struct wcd937x_sdw_ch_info *ch_info = &wcd->ch_info[ch_id];
u8 port_num = ch_info->port_num;
u8 ch_mask = ch_info->ch_mask;
port_config->num = port_num;
if (enable)
port_config->ch_mask |= ch_mask;
else
port_config->ch_mask &= ~ch_mask;
return 0;
}
static int wcd937x_rx_hph_mode_get(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol);
struct wcd937x_priv *wcd937x = snd_soc_component_get_drvdata(component);
ucontrol->value.integer.value[0] = wcd937x->hph_mode;
return 0;
}
static int wcd937x_rx_hph_mode_put(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
struct snd_soc_component *component =
snd_soc_kcontrol_component(kcontrol);
struct wcd937x_priv *wcd937x = snd_soc_component_get_drvdata(component);
u32 mode_val;
mode_val = ucontrol->value.enumerated.item[0];
if (!mode_val)
mode_val = CLS_AB;
if (mode_val == wcd937x->hph_mode)
return 0;
switch (mode_val) {
case CLS_H_NORMAL:
case CLS_H_HIFI:
case CLS_H_LP:
case CLS_AB:
case CLS_H_LOHIFI:
case CLS_H_ULP:
case CLS_AB_LP:
case CLS_AB_HIFI:
wcd937x->hph_mode = mode_val;
return 1;
}
dev_dbg(component->dev, "%s: Invalid HPH Mode\n", __func__);
return -EINVAL;
}
static int wcd937x_get_compander(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol);
struct wcd937x_priv *wcd937x = snd_soc_component_get_drvdata(component);
struct soc_mixer_control *mc;
bool hphr;
mc = (struct soc_mixer_control *)(kcontrol->private_value);
hphr = mc->shift;
ucontrol->value.integer.value[0] = hphr ? wcd937x->comp2_enable :
wcd937x->comp1_enable;
return 0;
}
static int wcd937x_set_compander(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol);
struct wcd937x_priv *wcd937x = snd_soc_component_get_drvdata(component);
struct wcd937x_sdw_priv *wcd = wcd937x->sdw_priv[AIF1_PB];
int value = ucontrol->value.integer.value[0];
struct soc_mixer_control *mc;
int portidx;
bool hphr;
mc = (struct soc_mixer_control *)(kcontrol->private_value);
hphr = mc->shift;
if (hphr) {
if (value == wcd937x->comp2_enable)
return 0;
wcd937x->comp2_enable = value;
} else {
if (value == wcd937x->comp1_enable)
return 0;
wcd937x->comp1_enable = value;
}
portidx = wcd->ch_info[mc->reg].port_num;
if (value)
wcd937x_connect_port(wcd, portidx, mc->reg, true);
else
wcd937x_connect_port(wcd, portidx, mc->reg, false);
return 1;
}
static int wcd937x_get_swr_port(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
struct soc_mixer_control *mixer = (struct soc_mixer_control *)kcontrol->private_value;
struct snd_soc_component *comp = snd_soc_kcontrol_component(kcontrol);
struct wcd937x_priv *wcd937x = snd_soc_component_get_drvdata(comp);
struct wcd937x_sdw_priv *wcd;
int dai_id = mixer->shift;
int ch_idx = mixer->reg;
int portidx;
wcd = wcd937x->sdw_priv[dai_id];
portidx = wcd->ch_info[ch_idx].port_num;
ucontrol->value.integer.value[0] = wcd->port_enable[portidx];
return 0;
}
static int wcd937x_set_swr_port(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
struct soc_mixer_control *mixer = (struct soc_mixer_control *)kcontrol->private_value;
struct snd_soc_component *comp = snd_soc_kcontrol_component(kcontrol);
struct wcd937x_priv *wcd937x = snd_soc_component_get_drvdata(comp);
struct wcd937x_sdw_priv *wcd;
int dai_id = mixer->shift;
int ch_idx = mixer->reg;
int portidx;
bool enable;
wcd = wcd937x->sdw_priv[dai_id];
portidx = wcd->ch_info[ch_idx].port_num;
enable = ucontrol->value.integer.value[0];
if (enable == wcd->port_enable[portidx]) {
wcd937x_connect_port(wcd, portidx, ch_idx, enable);
return 0;
}
wcd->port_enable[portidx] = enable;
wcd937x_connect_port(wcd, portidx, ch_idx, enable);
return 1;
}
static const char * const rx_hph_mode_mux_text[] = {
"CLS_H_NORMAL", "CLS_H_INVALID", "CLS_H_HIFI", "CLS_H_LP", "CLS_AB",
"CLS_H_LOHIFI", "CLS_H_ULP", "CLS_AB_LP", "CLS_AB_HIFI",
};
static const struct soc_enum rx_hph_mode_mux_enum =
SOC_ENUM_SINGLE_EXT(ARRAY_SIZE(rx_hph_mode_mux_text), rx_hph_mode_mux_text);
/* MBHC related */
static void wcd937x_mbhc_clk_setup(struct snd_soc_component *component,
bool enable)
{
snd_soc_component_write_field(component, WCD937X_MBHC_NEW_CTL_1,
WCD937X_MBHC_CTL_RCO_EN_MASK, enable);
}
static void wcd937x_mbhc_mbhc_bias_control(struct snd_soc_component *component,
bool enable)
{
snd_soc_component_write_field(component, WCD937X_ANA_MBHC_ELECT,
WCD937X_ANA_MBHC_BIAS_EN, enable);
}
static void wcd937x_mbhc_program_btn_thr(struct snd_soc_component *component,
int *btn_low, int *btn_high,
int num_btn, bool is_micbias)
{
int i, vth;
if (num_btn > WCD_MBHC_DEF_BUTTONS) {
dev_err(component->dev, "%s: invalid number of buttons: %d\n",
__func__, num_btn);
return;
}
for (i = 0; i < num_btn; i++) {
vth = ((btn_high[i] * 2) / 25) & 0x3F;
snd_soc_component_write_field(component, WCD937X_ANA_MBHC_BTN0 + i,
WCD937X_MBHC_BTN_VTH_MASK, vth);
}
}
static bool wcd937x_mbhc_micb_en_status(struct snd_soc_component *component, int micb_num)
{
u8 val;
if (micb_num == MIC_BIAS_2) {
val = snd_soc_component_read_field(component,
WCD937X_ANA_MICB2,
WCD937X_ANA_MICB2_ENABLE_MASK);
if (val == WCD937X_MICB_ENABLE)
return true;
}
return false;
}
static void wcd937x_mbhc_hph_l_pull_up_control(struct snd_soc_component *component,
int pull_up_cur)
{
/* Default pull up current to 2uA */
if (pull_up_cur > HS_PULLUP_I_OFF || pull_up_cur < HS_PULLUP_I_3P0_UA)
pull_up_cur = HS_PULLUP_I_2P0_UA;
snd_soc_component_write_field(component,
WCD937X_MBHC_NEW_INT_MECH_DET_CURRENT,
WCD937X_HSDET_PULLUP_C_MASK, pull_up_cur);
}
static int wcd937x_mbhc_request_micbias(struct snd_soc_component *component,
int micb_num, int req)
{
return wcd937x_micbias_control(component, micb_num, req, false);
}
static void wcd937x_mbhc_micb_ramp_control(struct snd_soc_component *component,
bool enable)
{
if (enable) {
snd_soc_component_write_field(component, WCD937X_ANA_MICB2_RAMP,
WCD937X_RAMP_SHIFT_CTRL_MASK, 0x0C);
snd_soc_component_write_field(component, WCD937X_ANA_MICB2_RAMP,
WCD937X_RAMP_EN_MASK, 1);
} else {
snd_soc_component_write_field(component, WCD937X_ANA_MICB2_RAMP,
WCD937X_RAMP_EN_MASK, 0);
snd_soc_component_write_field(component, WCD937X_ANA_MICB2_RAMP,
WCD937X_RAMP_SHIFT_CTRL_MASK, 0);
}
}
static int wcd937x_mbhc_micb_adjust_voltage(struct snd_soc_component *component,
int req_volt, int micb_num)
{
struct wcd937x_priv *wcd937x = snd_soc_component_get_drvdata(component);
int cur_vout_ctl, req_vout_ctl, micb_reg, micb_en, ret = 0;
switch (micb_num) {
case MIC_BIAS_1:
micb_reg = WCD937X_ANA_MICB1;
break;
case MIC_BIAS_2:
micb_reg = WCD937X_ANA_MICB2;
break;
case MIC_BIAS_3:
micb_reg = WCD937X_ANA_MICB3;
break;
default:
return -EINVAL;
}
mutex_lock(&wcd937x->micb_lock);
/*
* If requested micbias voltage is same as current micbias
* voltage, then just return. Otherwise, adjust voltage as
* per requested value. If micbias is already enabled, then
* to avoid slow micbias ramp-up or down enable pull-up
* momentarily, change the micbias value and then re-enable
* micbias.
*/
micb_en = snd_soc_component_read_field(component, micb_reg,
WCD937X_MICB_EN_MASK);
cur_vout_ctl = snd_soc_component_read_field(component, micb_reg,
WCD937X_MICB_VOUT_MASK);
req_vout_ctl = wcd937x_get_micb_vout_ctl_val(req_volt);
if (req_vout_ctl < 0) {
ret = -EINVAL;
goto exit;
}
if (cur_vout_ctl == req_vout_ctl) {
ret = 0;
goto exit;
}
if (micb_en == WCD937X_MICB_ENABLE)
snd_soc_component_write_field(component, micb_reg,
WCD937X_MICB_EN_MASK,
WCD937X_MICB_PULL_UP);
snd_soc_component_write_field(component, micb_reg,
WCD937X_MICB_VOUT_MASK,
req_vout_ctl);
if (micb_en == WCD937X_MICB_ENABLE) {
snd_soc_component_write_field(component, micb_reg,
WCD937X_MICB_EN_MASK,
WCD937X_MICB_ENABLE);
/*
* Add 2ms delay as per HW requirement after enabling
* micbias
*/
usleep_range(2000, 2100);
}
exit:
mutex_unlock(&wcd937x->micb_lock);
return ret;
}
static int wcd937x_mbhc_micb_ctrl_threshold_mic(struct snd_soc_component *component,
int micb_num, bool req_en)
{
struct wcd937x_priv *wcd937x = snd_soc_component_get_drvdata(component);
int micb_mv;
if (micb_num != MIC_BIAS_2)
return -EINVAL;
/*
* If device tree micbias level is already above the minimum
* voltage needed to detect threshold microphone, then do
* not change the micbias, just return.
*/
if (wcd937x->micb2_mv >= WCD_MBHC_THR_HS_MICB_MV)
return 0;
micb_mv = req_en ? WCD_MBHC_THR_HS_MICB_MV : wcd937x->micb2_mv;
return wcd937x_mbhc_micb_adjust_voltage(component, micb_mv, MIC_BIAS_2);
}
static void wcd937x_mbhc_get_result_params(struct snd_soc_component *component,
s16 *d1_a, u16 noff,
int32_t *zdet)
{
struct wcd937x_priv *wcd937x = snd_soc_component_get_drvdata(component);
int i;
int val, val1;
s16 c1;
s32 x1, d1;
s32 denom;
static const int minCode_param[] = {
3277, 1639, 820, 410, 205, 103, 52, 26
};
regmap_update_bits(wcd937x->regmap, WCD937X_ANA_MBHC_ZDET, 0x20, 0x20);
for (i = 0; i < WCD937X_ZDET_NUM_MEASUREMENTS; i++) {
regmap_read(wcd937x->regmap, WCD937X_ANA_MBHC_RESULT_2, &val);
if (val & 0x80)
break;
}
val = val << 0x8;
regmap_read(wcd937x->regmap, WCD937X_ANA_MBHC_RESULT_1, &val1);
val |= val1;
regmap_update_bits(wcd937x->regmap, WCD937X_ANA_MBHC_ZDET, 0x20, 0x00);
x1 = WCD937X_MBHC_GET_X1(val);
c1 = WCD937X_MBHC_GET_C1(val);
/* If ramp is not complete, give additional 5ms */
if (c1 < 2 && x1)
usleep_range(5000, 5050);
if (!c1 || !x1) {
dev_err(component->dev, "Impedance detect ramp error, c1=%d, x1=0x%x\n",
c1, x1);
goto ramp_down;
}
d1 = d1_a[c1];
denom = (x1 * d1) - (1 << (14 - noff));
if (denom > 0)
*zdet = (WCD937X_MBHC_ZDET_CONST * 1000) / denom;
else if (x1 < minCode_param[noff])
*zdet = WCD937X_ZDET_FLOATING_IMPEDANCE;
dev_err(component->dev, "%s: d1=%d, c1=%d, x1=0x%x, z_val=%d (milliohm)\n",
__func__, d1, c1, x1, *zdet);
ramp_down:
i = 0;
while (x1) {
regmap_read(wcd937x->regmap,
WCD937X_ANA_MBHC_RESULT_1, &val);
regmap_read(wcd937x->regmap,
WCD937X_ANA_MBHC_RESULT_2, &val1);
val = val << 0x08;
val |= val1;
x1 = WCD937X_MBHC_GET_X1(val);
i++;
if (i == WCD937X_ZDET_NUM_MEASUREMENTS)
break;
}
}
static void wcd937x_mbhc_zdet_ramp(struct snd_soc_component *component,
struct wcd937x_mbhc_zdet_param *zdet_param,
s32 *zl, s32 *zr, s16 *d1_a)
{
struct wcd937x_priv *wcd937x = snd_soc_component_get_drvdata(component);
s32 zdet = 0;
snd_soc_component_write_field(component, WCD937X_MBHC_NEW_ZDET_ANA_CTL,
WCD937X_ZDET_MAXV_CTL_MASK, zdet_param->ldo_ctl);
snd_soc_component_update_bits(component, WCD937X_ANA_MBHC_BTN5,
WCD937X_VTH_MASK, zdet_param->btn5);
snd_soc_component_update_bits(component, WCD937X_ANA_MBHC_BTN6,
WCD937X_VTH_MASK, zdet_param->btn6);
snd_soc_component_update_bits(component, WCD937X_ANA_MBHC_BTN7,
WCD937X_VTH_MASK, zdet_param->btn7);
snd_soc_component_write_field(component, WCD937X_MBHC_NEW_ZDET_ANA_CTL,
WCD937X_ZDET_RANGE_CTL_MASK, zdet_param->noff);
snd_soc_component_update_bits(component, WCD937X_MBHC_NEW_ZDET_RAMP_CTL,
0x0F, zdet_param->nshift);
if (!zl)
goto z_right;
/* Start impedance measurement for HPH_L */
regmap_update_bits(wcd937x->regmap,
WCD937X_ANA_MBHC_ZDET, 0x80, 0x80);
wcd937x_mbhc_get_result_params(component, d1_a, zdet_param->noff, &zdet);
regmap_update_bits(wcd937x->regmap,
WCD937X_ANA_MBHC_ZDET, 0x80, 0x00);
*zl = zdet;
z_right:
if (!zr)
return;
/* Start impedance measurement for HPH_R */
regmap_update_bits(wcd937x->regmap,
WCD937X_ANA_MBHC_ZDET, 0x40, 0x40);
wcd937x_mbhc_get_result_params(component, d1_a, zdet_param->noff, &zdet);
regmap_update_bits(wcd937x->regmap,
WCD937X_ANA_MBHC_ZDET, 0x40, 0x00);
*zr = zdet;
}
static void wcd937x_wcd_mbhc_qfuse_cal(struct snd_soc_component *component,
s32 *z_val, int flag_l_r)
{
s16 q1;
int q1_cal;
if (*z_val < (WCD937X_ZDET_VAL_400 / 1000))
q1 = snd_soc_component_read(component,
WCD937X_DIGITAL_EFUSE_REG_23 + (2 * flag_l_r));
else
q1 = snd_soc_component_read(component,
WCD937X_DIGITAL_EFUSE_REG_24 + (2 * flag_l_r));
if (q1 & 0x80)
q1_cal = (10000 - ((q1 & 0x7F) * 25));
else
q1_cal = (10000 + (q1 * 25));
if (q1_cal > 0)
*z_val = ((*z_val) * 10000) / q1_cal;
}
static void wcd937x_wcd_mbhc_calc_impedance(struct snd_soc_component *component,
u32 *zl, u32 *zr)
{
struct wcd937x_priv *wcd937x = snd_soc_component_get_drvdata(component);
s16 reg0, reg1, reg2, reg3, reg4;
s32 z1l, z1r, z1ls;
int zMono, z_diff1, z_diff2;
bool is_fsm_disable = false;
struct wcd937x_mbhc_zdet_param zdet_param[] = {
{4, 0, 4, 0x08, 0x14, 0x18}, /* < 32ohm */
{2, 0, 3, 0x18, 0x7C, 0x90}, /* 32ohm < Z < 400ohm */
{1, 4, 5, 0x18, 0x7C, 0x90}, /* 400ohm < Z < 1200ohm */
{1, 6, 7, 0x18, 0x7C, 0x90}, /* >1200ohm */
};
struct wcd937x_mbhc_zdet_param *zdet_param_ptr = NULL;
s16 d1_a[][4] = {
{0, 30, 90, 30},
{0, 30, 30, 5},
{0, 30, 30, 5},
{0, 30, 30, 5},
};
s16 *d1 = NULL;
reg0 = snd_soc_component_read(component, WCD937X_ANA_MBHC_BTN5);
reg1 = snd_soc_component_read(component, WCD937X_ANA_MBHC_BTN6);
reg2 = snd_soc_component_read(component, WCD937X_ANA_MBHC_BTN7);
reg3 = snd_soc_component_read(component, WCD937X_MBHC_CTL_CLK);
reg4 = snd_soc_component_read(component, WCD937X_MBHC_NEW_ZDET_ANA_CTL);
if (snd_soc_component_read(component, WCD937X_ANA_MBHC_ELECT) & 0x80) {
is_fsm_disable = true;
regmap_update_bits(wcd937x->regmap,
WCD937X_ANA_MBHC_ELECT, 0x80, 0x00);
}
/* For NO-jack, disable L_DET_EN before Z-det measurements */
if (wcd937x->mbhc_cfg.hphl_swh)
regmap_update_bits(wcd937x->regmap,
WCD937X_ANA_MBHC_MECH, 0x80, 0x00);
/* Turn off 100k pull down on HPHL */
regmap_update_bits(wcd937x->regmap,
WCD937X_ANA_MBHC_MECH, 0x01, 0x00);
/* Disable surge protection before impedance detection.
* This is done to give correct value for high impedance.
*/
regmap_update_bits(wcd937x->regmap,
WCD937X_HPH_SURGE_HPHLR_SURGE_EN, 0xC0, 0x00);
/* 1ms delay needed after disable surge protection */
usleep_range(1000, 1010);
/* First get impedance on Left */
d1 = d1_a[1];
zdet_param_ptr = &zdet_param[1];
wcd937x_mbhc_zdet_ramp(component, zdet_param_ptr, &z1l, NULL, d1);
if (!WCD937X_MBHC_IS_SECOND_RAMP_REQUIRED(z1l))
goto left_ch_impedance;
/* Second ramp for left ch */
if (z1l < WCD937X_ZDET_VAL_32) {
zdet_param_ptr = &zdet_param[0];
d1 = d1_a[0];
} else if ((z1l > WCD937X_ZDET_VAL_400) &&
(z1l <= WCD937X_ZDET_VAL_1200)) {
zdet_param_ptr = &zdet_param[2];
d1 = d1_a[2];
} else if (z1l > WCD937X_ZDET_VAL_1200) {
zdet_param_ptr = &zdet_param[3];
d1 = d1_a[3];
}
wcd937x_mbhc_zdet_ramp(component, zdet_param_ptr, &z1l, NULL, d1);
left_ch_impedance:
if (z1l == WCD937X_ZDET_FLOATING_IMPEDANCE ||
z1l > WCD937X_ZDET_VAL_100K) {
*zl = WCD937X_ZDET_FLOATING_IMPEDANCE;
zdet_param_ptr = &zdet_param[1];
d1 = d1_a[1];
} else {
*zl = z1l / 1000;
wcd937x_wcd_mbhc_qfuse_cal(component, zl, 0);
}
/* Start of right impedance ramp and calculation */
wcd937x_mbhc_zdet_ramp(component, zdet_param_ptr, NULL, &z1r, d1);
if (WCD937X_MBHC_IS_SECOND_RAMP_REQUIRED(z1r)) {
if ((z1r > WCD937X_ZDET_VAL_1200 &&
zdet_param_ptr->noff == 0x6) ||
((*zl) != WCD937X_ZDET_FLOATING_IMPEDANCE))
goto right_ch_impedance;
/* Second ramp for right ch */
if (z1r < WCD937X_ZDET_VAL_32) {
zdet_param_ptr = &zdet_param[0];
d1 = d1_a[0];
} else if ((z1r > WCD937X_ZDET_VAL_400) &&
(z1r <= WCD937X_ZDET_VAL_1200)) {
zdet_param_ptr = &zdet_param[2];
d1 = d1_a[2];
} else if (z1r > WCD937X_ZDET_VAL_1200) {
zdet_param_ptr = &zdet_param[3];
d1 = d1_a[3];
}
wcd937x_mbhc_zdet_ramp(component, zdet_param_ptr, NULL, &z1r, d1);
}
right_ch_impedance:
if (z1r == WCD937X_ZDET_FLOATING_IMPEDANCE ||
z1r > WCD937X_ZDET_VAL_100K) {
*zr = WCD937X_ZDET_FLOATING_IMPEDANCE;
} else {
*zr = z1r / 1000;
wcd937x_wcd_mbhc_qfuse_cal(component, zr, 1);
}
/* Mono/stereo detection */
if ((*zl == WCD937X_ZDET_FLOATING_IMPEDANCE) &&
(*zr == WCD937X_ZDET_FLOATING_IMPEDANCE)) {
dev_err(component->dev,
"%s: plug type is invalid or extension cable\n",
__func__);
goto zdet_complete;
}
if ((*zl == WCD937X_ZDET_FLOATING_IMPEDANCE) ||
(*zr == WCD937X_ZDET_FLOATING_IMPEDANCE) ||
((*zl < WCD_MONO_HS_MIN_THR) && (*zr > WCD_MONO_HS_MIN_THR)) ||
((*zl > WCD_MONO_HS_MIN_THR) && (*zr < WCD_MONO_HS_MIN_THR))) {
wcd_mbhc_set_hph_type(wcd937x->wcd_mbhc, WCD_MBHC_HPH_MONO);
goto zdet_complete;
}
snd_soc_component_write_field(component, WCD937X_HPH_R_ATEST,
WCD937X_HPHPA_GND_OVR_MASK, 1);
snd_soc_component_write_field(component, WCD937X_HPH_PA_CTL2,
WCD937X_HPHPA_GND_R_MASK, 1);
if (*zl < (WCD937X_ZDET_VAL_32 / 1000))
wcd937x_mbhc_zdet_ramp(component, &zdet_param[0], &z1ls, NULL, d1);
else
wcd937x_mbhc_zdet_ramp(component, &zdet_param[1], &z1ls, NULL, d1);
snd_soc_component_write_field(component, WCD937X_HPH_PA_CTL2,
WCD937X_HPHPA_GND_R_MASK, 0);
snd_soc_component_write_field(component, WCD937X_HPH_R_ATEST,
WCD937X_HPHPA_GND_OVR_MASK, 0);
z1ls /= 1000;
wcd937x_wcd_mbhc_qfuse_cal(component, &z1ls, 0);
/* Parallel of left Z and 9 ohm pull down resistor */
zMono = ((*zl) * 9) / ((*zl) + 9);
z_diff1 = (z1ls > zMono) ? (z1ls - zMono) : (zMono - z1ls);
z_diff2 = ((*zl) > z1ls) ? ((*zl) - z1ls) : (z1ls - (*zl));
if ((z_diff1 * (*zl + z1ls)) > (z_diff2 * (z1ls + zMono)))
wcd_mbhc_set_hph_type(wcd937x->wcd_mbhc, WCD_MBHC_HPH_STEREO);
else
wcd_mbhc_set_hph_type(wcd937x->wcd_mbhc, WCD_MBHC_HPH_MONO);
/* Enable surge protection again after impedance detection */
regmap_update_bits(wcd937x->regmap,
WCD937X_HPH_SURGE_HPHLR_SURGE_EN, 0xC0, 0xC0);
zdet_complete:
snd_soc_component_write(component, WCD937X_ANA_MBHC_BTN5, reg0);
snd_soc_component_write(component, WCD937X_ANA_MBHC_BTN6, reg1);
snd_soc_component_write(component, WCD937X_ANA_MBHC_BTN7, reg2);
/* Turn on 100k pull down on HPHL */
regmap_update_bits(wcd937x->regmap,
WCD937X_ANA_MBHC_MECH, 0x01, 0x01);
/* For NO-jack, re-enable L_DET_EN after Z-det measurements */
if (wcd937x->mbhc_cfg.hphl_swh)
regmap_update_bits(wcd937x->regmap,
WCD937X_ANA_MBHC_MECH, 0x80, 0x80);
snd_soc_component_write(component, WCD937X_MBHC_NEW_ZDET_ANA_CTL, reg4);
snd_soc_component_write(component, WCD937X_MBHC_CTL_CLK, reg3);
if (is_fsm_disable)
regmap_update_bits(wcd937x->regmap,
WCD937X_ANA_MBHC_ELECT, 0x80, 0x80);
}
static void wcd937x_mbhc_gnd_det_ctrl(struct snd_soc_component *component,
bool enable)
{
if (enable) {
snd_soc_component_write_field(component, WCD937X_ANA_MBHC_MECH,
WCD937X_MBHC_HSG_PULLUP_COMP_EN, 1);
snd_soc_component_write_field(component, WCD937X_ANA_MBHC_MECH,
WCD937X_MBHC_GND_DET_EN_MASK, 1);
} else {
snd_soc_component_write_field(component, WCD937X_ANA_MBHC_MECH,
WCD937X_MBHC_GND_DET_EN_MASK, 0);
snd_soc_component_write_field(component, WCD937X_ANA_MBHC_MECH,
WCD937X_MBHC_HSG_PULLUP_COMP_EN, 0);
}
}
static void wcd937x_mbhc_hph_pull_down_ctrl(struct snd_soc_component *component,
bool enable)
{
snd_soc_component_write_field(component, WCD937X_HPH_PA_CTL2,
WCD937X_HPHPA_GND_R_MASK, enable);
snd_soc_component_write_field(component, WCD937X_HPH_PA_CTL2,
WCD937X_HPHPA_GND_L_MASK, enable);
}
static void wcd937x_mbhc_moisture_config(struct snd_soc_component *component)
{
struct wcd937x_priv *wcd937x = snd_soc_component_get_drvdata(component);
if (wcd937x->mbhc_cfg.moist_rref == R_OFF) {
snd_soc_component_write_field(component, WCD937X_MBHC_NEW_CTL_2,
WCD937X_M_RTH_CTL_MASK, R_OFF);
return;
}
/* Do not enable moisture detection if jack type is NC */
if (!wcd937x->mbhc_cfg.hphl_swh) {
dev_err(component->dev, "%s: disable moisture detection for NC\n",
__func__);
snd_soc_component_write_field(component, WCD937X_MBHC_NEW_CTL_2,
WCD937X_M_RTH_CTL_MASK, R_OFF);
return;
}
snd_soc_component_write_field(component, WCD937X_MBHC_NEW_CTL_2,
WCD937X_M_RTH_CTL_MASK, wcd937x->mbhc_cfg.moist_rref);
}
static void wcd937x_mbhc_moisture_detect_en(struct snd_soc_component *component, bool enable)
{
struct wcd937x_priv *wcd937x = snd_soc_component_get_drvdata(component);
if (enable)
snd_soc_component_write_field(component, WCD937X_MBHC_NEW_CTL_2,
WCD937X_M_RTH_CTL_MASK, wcd937x->mbhc_cfg.moist_rref);
else
snd_soc_component_write_field(component, WCD937X_MBHC_NEW_CTL_2,
WCD937X_M_RTH_CTL_MASK, R_OFF);
}
static bool wcd937x_mbhc_get_moisture_status(struct snd_soc_component *component)
{
struct wcd937x_priv *wcd937x = snd_soc_component_get_drvdata(component);
bool ret = false;
if (wcd937x->mbhc_cfg.moist_rref == R_OFF) {
snd_soc_component_write_field(component, WCD937X_MBHC_NEW_CTL_2,
WCD937X_M_RTH_CTL_MASK, R_OFF);
goto done;
}
/* Do not enable moisture detection if jack type is NC */
if (!wcd937x->mbhc_cfg.hphl_swh) {
dev_err(component->dev, "%s: disable moisture detection for NC\n",
__func__);
snd_soc_component_write_field(component, WCD937X_MBHC_NEW_CTL_2,
WCD937X_M_RTH_CTL_MASK, R_OFF);
goto done;
}
/*
* If moisture_en is already enabled, then skip to plug type
* detection.
*/
if (snd_soc_component_read_field(component, WCD937X_MBHC_NEW_CTL_2, WCD937X_M_RTH_CTL_MASK))
goto done;
wcd937x_mbhc_moisture_detect_en(component, true);
/* Read moisture comparator status */
ret = ((snd_soc_component_read(component, WCD937X_MBHC_NEW_FSM_STATUS)
& 0x20) ? 0 : 1);
done:
return ret;
}
static void wcd937x_mbhc_moisture_polling_ctrl(struct snd_soc_component *component,
bool enable)
{
snd_soc_component_write_field(component,
WCD937X_MBHC_NEW_INT_MOISTURE_DET_POLLING_CTRL,
WCD937X_MOISTURE_EN_POLLING_MASK, enable);
}
static const struct wcd_mbhc_cb mbhc_cb = {
.clk_setup = wcd937x_mbhc_clk_setup,
.mbhc_bias = wcd937x_mbhc_mbhc_bias_control,
.set_btn_thr = wcd937x_mbhc_program_btn_thr,
.micbias_enable_status = wcd937x_mbhc_micb_en_status,
.hph_pull_up_control_v2 = wcd937x_mbhc_hph_l_pull_up_control,
.mbhc_micbias_control = wcd937x_mbhc_request_micbias,
.mbhc_micb_ramp_control = wcd937x_mbhc_micb_ramp_control,
.mbhc_micb_ctrl_thr_mic = wcd937x_mbhc_micb_ctrl_threshold_mic,
.compute_impedance = wcd937x_wcd_mbhc_calc_impedance,
.mbhc_gnd_det_ctrl = wcd937x_mbhc_gnd_det_ctrl,
.hph_pull_down_ctrl = wcd937x_mbhc_hph_pull_down_ctrl,
.mbhc_moisture_config = wcd937x_mbhc_moisture_config,
.mbhc_get_moisture_status = wcd937x_mbhc_get_moisture_status,
.mbhc_moisture_polling_ctrl = wcd937x_mbhc_moisture_polling_ctrl,
.mbhc_moisture_detect_en = wcd937x_mbhc_moisture_detect_en,
};
static int wcd937x_get_hph_type(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol);
struct wcd937x_priv *wcd937x = snd_soc_component_get_drvdata(component);
ucontrol->value.integer.value[0] = wcd_mbhc_get_hph_type(wcd937x->wcd_mbhc);
return 0;
}
static int wcd937x_hph_impedance_get(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
u32 zl, zr;
bool hphr;
struct soc_mixer_control *mc;
struct snd_soc_component *component =
snd_soc_kcontrol_component(kcontrol);
struct wcd937x_priv *wcd937x = snd_soc_component_get_drvdata(component);
mc = (struct soc_mixer_control *)(kcontrol->private_value);
hphr = mc->shift;
wcd_mbhc_get_impedance(wcd937x->wcd_mbhc, &zl, &zr);
ucontrol->value.integer.value[0] = hphr ? zr : zl;
return 0;
}
static const struct snd_kcontrol_new hph_type_detect_controls[] = {
SOC_SINGLE_EXT("HPH Type", 0, 0, WCD_MBHC_HPH_STEREO, 0,
wcd937x_get_hph_type, NULL),
};
static const struct snd_kcontrol_new impedance_detect_controls[] = {
SOC_SINGLE_EXT("HPHL Impedance", 0, 0, INT_MAX, 0,
wcd937x_hph_impedance_get, NULL),
SOC_SINGLE_EXT("HPHR Impedance", 0, 1, INT_MAX, 0,
wcd937x_hph_impedance_get, NULL),
};
static int wcd937x_mbhc_init(struct snd_soc_component *component)
{
struct wcd937x_priv *wcd937x = snd_soc_component_get_drvdata(component);
struct wcd_mbhc_intr *intr_ids = &wcd937x->intr_ids;
intr_ids->mbhc_sw_intr = regmap_irq_get_virq(wcd937x->irq_chip,
WCD937X_IRQ_MBHC_SW_DET);
intr_ids->mbhc_btn_press_intr = regmap_irq_get_virq(wcd937x->irq_chip,
WCD937X_IRQ_MBHC_BUTTON_PRESS_DET);
intr_ids->mbhc_btn_release_intr = regmap_irq_get_virq(wcd937x->irq_chip,
WCD937X_IRQ_MBHC_BUTTON_RELEASE_DET);
intr_ids->mbhc_hs_ins_intr = regmap_irq_get_virq(wcd937x->irq_chip,
WCD937X_IRQ_MBHC_ELECT_INS_REM_LEG_DET);
intr_ids->mbhc_hs_rem_intr = regmap_irq_get_virq(wcd937x->irq_chip,
WCD937X_IRQ_MBHC_ELECT_INS_REM_DET);
intr_ids->hph_left_ocp = regmap_irq_get_virq(wcd937x->irq_chip,
WCD937X_IRQ_HPHL_OCP_INT);
intr_ids->hph_right_ocp = regmap_irq_get_virq(wcd937x->irq_chip,
WCD937X_IRQ_HPHR_OCP_INT);
wcd937x->wcd_mbhc = wcd_mbhc_init(component, &mbhc_cb, intr_ids, wcd_mbhc_fields, true);
if (IS_ERR(wcd937x->wcd_mbhc))
return PTR_ERR(wcd937x->wcd_mbhc);
snd_soc_add_component_controls(component, impedance_detect_controls,
ARRAY_SIZE(impedance_detect_controls));
snd_soc_add_component_controls(component, hph_type_detect_controls,
ARRAY_SIZE(hph_type_detect_controls));
return 0;
}
static void wcd937x_mbhc_deinit(struct snd_soc_component *component)
{
struct wcd937x_priv *wcd937x = snd_soc_component_get_drvdata(component);
wcd_mbhc_deinit(wcd937x->wcd_mbhc);
}
/* END MBHC */
static const struct snd_kcontrol_new wcd937x_snd_controls[] = {
SOC_SINGLE_TLV("EAR_PA Volume", WCD937X_ANA_EAR_COMPANDER_CTL,
2, 0x10, 0, ear_pa_gain),
SOC_ENUM_EXT("RX HPH Mode", rx_hph_mode_mux_enum,
wcd937x_rx_hph_mode_get, wcd937x_rx_hph_mode_put),
SOC_SINGLE_EXT("HPHL_COMP Switch", SND_SOC_NOPM, 0, 1, 0,
wcd937x_get_compander, wcd937x_set_compander),
SOC_SINGLE_EXT("HPHR_COMP Switch", SND_SOC_NOPM, 1, 1, 0,
wcd937x_get_compander, wcd937x_set_compander),
SOC_SINGLE_TLV("HPHL Volume", WCD937X_HPH_L_EN, 0, 20, 1, line_gain),
SOC_SINGLE_TLV("HPHR Volume", WCD937X_HPH_R_EN, 0, 20, 1, line_gain),
SOC_SINGLE_TLV("ADC1 Volume", WCD937X_ANA_TX_CH1, 0, 20, 0, analog_gain),
SOC_SINGLE_TLV("ADC2 Volume", WCD937X_ANA_TX_CH2, 0, 20, 0, analog_gain),
SOC_SINGLE_TLV("ADC3 Volume", WCD937X_ANA_TX_CH3, 0, 20, 0, analog_gain),
SOC_SINGLE_EXT("HPHL Switch", WCD937X_HPH_L, 0, 1, 0,
wcd937x_get_swr_port, wcd937x_set_swr_port),
SOC_SINGLE_EXT("HPHR Switch", WCD937X_HPH_R, 0, 1, 0,
wcd937x_get_swr_port, wcd937x_set_swr_port),
SOC_SINGLE_EXT("ADC1 Switch", WCD937X_ADC1, 1, 1, 0,
wcd937x_get_swr_port, wcd937x_set_swr_port),
SOC_SINGLE_EXT("ADC2 Switch", WCD937X_ADC2, 1, 1, 0,
wcd937x_get_swr_port, wcd937x_set_swr_port),
SOC_SINGLE_EXT("ADC3 Switch", WCD937X_ADC3, 1, 1, 0,
wcd937x_get_swr_port, wcd937x_set_swr_port),
SOC_SINGLE_EXT("DMIC0 Switch", WCD937X_DMIC0, 1, 1, 0,
wcd937x_get_swr_port, wcd937x_set_swr_port),
SOC_SINGLE_EXT("DMIC1 Switch", WCD937X_DMIC1, 1, 1, 0,
wcd937x_get_swr_port, wcd937x_set_swr_port),
SOC_SINGLE_EXT("MBHC Switch", WCD937X_MBHC, 1, 1, 0,
wcd937x_get_swr_port, wcd937x_set_swr_port),
SOC_SINGLE_EXT("DMIC2 Switch", WCD937X_DMIC2, 1, 1, 0,
wcd937x_get_swr_port, wcd937x_set_swr_port),
SOC_SINGLE_EXT("DMIC3 Switch", WCD937X_DMIC3, 1, 1, 0,
wcd937x_get_swr_port, wcd937x_set_swr_port),
SOC_SINGLE_EXT("DMIC4 Switch", WCD937X_DMIC4, 1, 1, 0,
wcd937x_get_swr_port, wcd937x_set_swr_port),
SOC_SINGLE_EXT("DMIC5 Switch", WCD937X_DMIC5, 1, 1, 0,
wcd937x_get_swr_port, wcd937x_set_swr_port),
};
static const struct snd_kcontrol_new adc1_switch[] = {
SOC_DAPM_SINGLE("Switch", SND_SOC_NOPM, 0, 1, 0)
};
static const struct snd_kcontrol_new adc2_switch[] = {
SOC_DAPM_SINGLE("Switch", SND_SOC_NOPM, 0, 1, 0)
};
static const struct snd_kcontrol_new adc3_switch[] = {
SOC_DAPM_SINGLE("Switch", SND_SOC_NOPM, 0, 1, 0)
};
static const struct snd_kcontrol_new dmic1_switch[] = {
SOC_DAPM_SINGLE("Switch", SND_SOC_NOPM, 0, 1, 0)
};
static const struct snd_kcontrol_new dmic2_switch[] = {
SOC_DAPM_SINGLE("Switch", SND_SOC_NOPM, 0, 1, 0)
};
static const struct snd_kcontrol_new dmic3_switch[] = {
SOC_DAPM_SINGLE("Switch", SND_SOC_NOPM, 0, 1, 0)
};
static const struct snd_kcontrol_new dmic4_switch[] = {
SOC_DAPM_SINGLE("Switch", SND_SOC_NOPM, 0, 1, 0)
};
static const struct snd_kcontrol_new dmic5_switch[] = {
SOC_DAPM_SINGLE("Switch", SND_SOC_NOPM, 0, 1, 0)
};
static const struct snd_kcontrol_new dmic6_switch[] = {
SOC_DAPM_SINGLE("Switch", SND_SOC_NOPM, 0, 1, 0)
};
static const struct snd_kcontrol_new ear_rdac_switch[] = {
SOC_DAPM_SINGLE("Switch", SND_SOC_NOPM, 0, 1, 0)
};
static const struct snd_kcontrol_new aux_rdac_switch[] = {
SOC_DAPM_SINGLE("Switch", SND_SOC_NOPM, 0, 1, 0)
};
static const struct snd_kcontrol_new hphl_rdac_switch[] = {
SOC_DAPM_SINGLE("Switch", SND_SOC_NOPM, 0, 1, 0)
};
static const struct snd_kcontrol_new hphr_rdac_switch[] = {
SOC_DAPM_SINGLE("Switch", SND_SOC_NOPM, 0, 1, 0)
};
static const char * const adc2_mux_text[] = {
"INP2", "INP3"
};
static const char * const rdac3_mux_text[] = {
"RX1", "RX3"
};
static const struct soc_enum adc2_enum =
SOC_ENUM_SINGLE(WCD937X_TX_NEW_TX_CH2_SEL, 7,
ARRAY_SIZE(adc2_mux_text), adc2_mux_text);
static const struct soc_enum rdac3_enum =
SOC_ENUM_SINGLE(WCD937X_DIGITAL_CDC_EAR_PATH_CTL, 0,
ARRAY_SIZE(rdac3_mux_text), rdac3_mux_text);
static const struct snd_kcontrol_new tx_adc2_mux = SOC_DAPM_ENUM("ADC2 MUX Mux", adc2_enum);
static const struct snd_kcontrol_new rx_rdac3_mux = SOC_DAPM_ENUM("RDAC3_MUX Mux", rdac3_enum);
static const struct snd_soc_dapm_widget wcd937x_dapm_widgets[] = {
/* Input widgets */
SND_SOC_DAPM_INPUT("AMIC1"),
SND_SOC_DAPM_INPUT("AMIC2"),
SND_SOC_DAPM_INPUT("AMIC3"),
SND_SOC_DAPM_INPUT("IN1_HPHL"),
SND_SOC_DAPM_INPUT("IN2_HPHR"),
SND_SOC_DAPM_INPUT("IN3_AUX"),
/* TX widgets */
SND_SOC_DAPM_ADC_E("ADC1", NULL, SND_SOC_NOPM, 0, 0,
wcd937x_codec_enable_adc,
SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD),
SND_SOC_DAPM_ADC_E("ADC2", NULL, SND_SOC_NOPM, 1, 0,
wcd937x_codec_enable_adc,
SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD),
SND_SOC_DAPM_MIXER_E("ADC1 REQ", SND_SOC_NOPM, 0, 0,
NULL, 0, wcd937x_enable_req,
SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD),
SND_SOC_DAPM_MIXER_E("ADC2 REQ", SND_SOC_NOPM, 0, 0,
NULL, 0, wcd937x_enable_req,
SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD),
SND_SOC_DAPM_MUX("ADC2 MUX", SND_SOC_NOPM, 0, 0, &tx_adc2_mux),
/* TX mixers */
SND_SOC_DAPM_MIXER_E("ADC1_MIXER", SND_SOC_NOPM, 0, 0,
adc1_switch, ARRAY_SIZE(adc1_switch),
wcd937x_tx_swr_ctrl, SND_SOC_DAPM_PRE_PMU |
SND_SOC_DAPM_POST_PMD),
SND_SOC_DAPM_MIXER_E("ADC2_MIXER", SND_SOC_NOPM, 1, 0,
adc2_switch, ARRAY_SIZE(adc2_switch),
wcd937x_tx_swr_ctrl, SND_SOC_DAPM_PRE_PMU |
SND_SOC_DAPM_POST_PMD),
/* MIC_BIAS widgets */
SND_SOC_DAPM_SUPPLY("MIC BIAS1", SND_SOC_NOPM, MIC_BIAS_1, 0,
wcd937x_codec_enable_micbias,
SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMU |
SND_SOC_DAPM_POST_PMD),
SND_SOC_DAPM_SUPPLY("MIC BIAS2", SND_SOC_NOPM, MIC_BIAS_2, 0,
wcd937x_codec_enable_micbias,
SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMU |
SND_SOC_DAPM_POST_PMD),
SND_SOC_DAPM_SUPPLY("MIC BIAS3", SND_SOC_NOPM, MIC_BIAS_3, 0,
wcd937x_codec_enable_micbias,
SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMU |
SND_SOC_DAPM_POST_PMD),
SND_SOC_DAPM_SUPPLY("VDD_BUCK", SND_SOC_NOPM, 0, 0, NULL, 0),
SND_SOC_DAPM_SUPPLY_S("CLS_H_PORT", 1, SND_SOC_NOPM, 0, 0, NULL, 0),
/* RX widgets */
SND_SOC_DAPM_PGA_E("EAR PGA", WCD937X_ANA_EAR, 7, 0, NULL, 0,
wcd937x_codec_enable_ear_pa,
SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMU |
SND_SOC_DAPM_PRE_PMD | SND_SOC_DAPM_POST_PMD),
SND_SOC_DAPM_PGA_E("AUX PGA", WCD937X_AUX_AUXPA, 7, 0, NULL, 0,
wcd937x_codec_enable_aux_pa,
SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMU |
SND_SOC_DAPM_PRE_PMD | SND_SOC_DAPM_POST_PMD),
SND_SOC_DAPM_PGA_E("HPHL PGA", WCD937X_ANA_HPH, 7, 0, NULL, 0,
wcd937x_codec_enable_hphl_pa,
SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMU |
SND_SOC_DAPM_PRE_PMD | SND_SOC_DAPM_POST_PMD),
SND_SOC_DAPM_PGA_E("HPHR PGA", WCD937X_ANA_HPH, 6, 0, NULL, 0,
wcd937x_codec_enable_hphr_pa,
SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMU |
SND_SOC_DAPM_PRE_PMD | SND_SOC_DAPM_POST_PMD),
SND_SOC_DAPM_DAC_E("RDAC1", NULL, SND_SOC_NOPM, 0, 0,
wcd937x_codec_hphl_dac_event,
SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMU |
SND_SOC_DAPM_PRE_PMD | SND_SOC_DAPM_POST_PMD),
SND_SOC_DAPM_DAC_E("RDAC2", NULL, SND_SOC_NOPM, 0, 0,
wcd937x_codec_hphr_dac_event,
SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMU |
SND_SOC_DAPM_PRE_PMD | SND_SOC_DAPM_POST_PMD),
SND_SOC_DAPM_DAC_E("RDAC3", NULL, SND_SOC_NOPM, 0, 0,
wcd937x_codec_ear_dac_event,
SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMU |
SND_SOC_DAPM_PRE_PMD | SND_SOC_DAPM_POST_PMD),
SND_SOC_DAPM_DAC_E("RDAC4", NULL, SND_SOC_NOPM, 0, 0,
wcd937x_codec_aux_dac_event,
SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMU |
SND_SOC_DAPM_PRE_PMD | SND_SOC_DAPM_POST_PMD),
SND_SOC_DAPM_MUX("RDAC3_MUX", SND_SOC_NOPM, 0, 0, &rx_rdac3_mux),
SND_SOC_DAPM_MIXER_E("RX1", SND_SOC_NOPM, 0, 0, NULL, 0,
wcd937x_enable_rx1, SND_SOC_DAPM_PRE_PMU |
SND_SOC_DAPM_POST_PMD),
SND_SOC_DAPM_MIXER_E("RX2", SND_SOC_NOPM, 0, 0, NULL, 0,
wcd937x_enable_rx2, SND_SOC_DAPM_PRE_PMU |
SND_SOC_DAPM_POST_PMD),
SND_SOC_DAPM_MIXER_E("RX3", SND_SOC_NOPM, 0, 0, NULL, 0,
wcd937x_enable_rx3, SND_SOC_DAPM_PRE_PMU |
SND_SOC_DAPM_POST_PMD),
/* RX mixer widgets*/
SND_SOC_DAPM_MIXER("EAR_RDAC", SND_SOC_NOPM, 0, 0,
ear_rdac_switch, ARRAY_SIZE(ear_rdac_switch)),
SND_SOC_DAPM_MIXER("AUX_RDAC", SND_SOC_NOPM, 0, 0,
aux_rdac_switch, ARRAY_SIZE(aux_rdac_switch)),
SND_SOC_DAPM_MIXER("HPHL_RDAC", SND_SOC_NOPM, 0, 0,
hphl_rdac_switch, ARRAY_SIZE(hphl_rdac_switch)),
SND_SOC_DAPM_MIXER("HPHR_RDAC", SND_SOC_NOPM, 0, 0,
hphr_rdac_switch, ARRAY_SIZE(hphr_rdac_switch)),
/* TX output widgets */
SND_SOC_DAPM_OUTPUT("ADC1_OUTPUT"),
SND_SOC_DAPM_OUTPUT("ADC2_OUTPUT"),
SND_SOC_DAPM_OUTPUT("ADC3_OUTPUT"),
SND_SOC_DAPM_OUTPUT("WCD_TX_OUTPUT"),
/* RX output widgets */
SND_SOC_DAPM_OUTPUT("EAR"),
SND_SOC_DAPM_OUTPUT("AUX"),
SND_SOC_DAPM_OUTPUT("HPHL"),
SND_SOC_DAPM_OUTPUT("HPHR"),
/* MIC_BIAS pull up widgets */
SND_SOC_DAPM_SUPPLY("VA MIC BIAS1", SND_SOC_NOPM, MIC_BIAS_1, 0,
wcd937x_codec_enable_micbias_pullup,
SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMU |
SND_SOC_DAPM_POST_PMD),
SND_SOC_DAPM_SUPPLY("VA MIC BIAS2", SND_SOC_NOPM, MIC_BIAS_2, 0,
wcd937x_codec_enable_micbias_pullup,
SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMU |
SND_SOC_DAPM_POST_PMD),
SND_SOC_DAPM_SUPPLY("VA MIC BIAS3", SND_SOC_NOPM, MIC_BIAS_3, 0,
wcd937x_codec_enable_micbias_pullup,
SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMU |
SND_SOC_DAPM_POST_PMD),
};
static const struct snd_soc_dapm_widget wcd9375_dapm_widgets[] = {
/* Input widgets */
SND_SOC_DAPM_INPUT("AMIC4"),
/* TX widgets */
SND_SOC_DAPM_ADC_E("ADC3", NULL, SND_SOC_NOPM, 2, 0,
wcd937x_codec_enable_adc,
SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD),
SND_SOC_DAPM_MIXER_E("ADC3 REQ", SND_SOC_NOPM, 0, 0,
NULL, 0, wcd937x_enable_req,
SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD),
SND_SOC_DAPM_ADC_E("DMIC1", NULL, SND_SOC_NOPM, 0, 0,
wcd937x_codec_enable_dmic,
SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD),
SND_SOC_DAPM_ADC_E("DMIC2", NULL, SND_SOC_NOPM, 1, 0,
wcd937x_codec_enable_dmic,
SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD),
SND_SOC_DAPM_ADC_E("DMIC3", NULL, SND_SOC_NOPM, 2, 0,
wcd937x_codec_enable_dmic,
SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD),
SND_SOC_DAPM_ADC_E("DMIC4", NULL, SND_SOC_NOPM, 3, 0,
wcd937x_codec_enable_dmic,
SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD),
SND_SOC_DAPM_ADC_E("DMIC5", NULL, SND_SOC_NOPM, 4, 0,
wcd937x_codec_enable_dmic,
SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD),
SND_SOC_DAPM_ADC_E("DMIC6", NULL, SND_SOC_NOPM, 5, 0,
wcd937x_codec_enable_dmic,
SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD),
/* TX mixer widgets */
SND_SOC_DAPM_MIXER_E("DMIC1_MIXER", SND_SOC_NOPM, 0,
0, dmic1_switch, ARRAY_SIZE(dmic1_switch),
wcd937x_tx_swr_ctrl, SND_SOC_DAPM_PRE_PMU |
SND_SOC_DAPM_POST_PMD),
SND_SOC_DAPM_MIXER_E("DMIC2_MIXER", SND_SOC_NOPM, 1,
0, dmic2_switch, ARRAY_SIZE(dmic2_switch),
wcd937x_tx_swr_ctrl, SND_SOC_DAPM_PRE_PMU |
SND_SOC_DAPM_POST_PMD),
SND_SOC_DAPM_MIXER_E("DMIC3_MIXER", SND_SOC_NOPM, 2,
0, dmic3_switch, ARRAY_SIZE(dmic3_switch),
wcd937x_tx_swr_ctrl, SND_SOC_DAPM_PRE_PMU |
SND_SOC_DAPM_POST_PMD),
SND_SOC_DAPM_MIXER_E("DMIC4_MIXER", SND_SOC_NOPM, 3,
0, dmic4_switch, ARRAY_SIZE(dmic4_switch),
wcd937x_tx_swr_ctrl, SND_SOC_DAPM_PRE_PMU |
SND_SOC_DAPM_POST_PMD),
SND_SOC_DAPM_MIXER_E("DMIC5_MIXER", SND_SOC_NOPM, 4,
0, dmic5_switch, ARRAY_SIZE(dmic5_switch),
wcd937x_tx_swr_ctrl, SND_SOC_DAPM_PRE_PMU |
SND_SOC_DAPM_POST_PMD),
SND_SOC_DAPM_MIXER_E("DMIC6_MIXER", SND_SOC_NOPM, 5,
0, dmic6_switch, ARRAY_SIZE(dmic6_switch),
wcd937x_tx_swr_ctrl, SND_SOC_DAPM_PRE_PMU |
SND_SOC_DAPM_POST_PMD),
SND_SOC_DAPM_MIXER_E("ADC3_MIXER", SND_SOC_NOPM, 2, 0, adc3_switch,
ARRAY_SIZE(adc3_switch), wcd937x_tx_swr_ctrl,
SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD),
/* Output widgets */
SND_SOC_DAPM_OUTPUT("DMIC1_OUTPUT"),
SND_SOC_DAPM_OUTPUT("DMIC2_OUTPUT"),
SND_SOC_DAPM_OUTPUT("DMIC3_OUTPUT"),
SND_SOC_DAPM_OUTPUT("DMIC4_OUTPUT"),
SND_SOC_DAPM_OUTPUT("DMIC5_OUTPUT"),
SND_SOC_DAPM_OUTPUT("DMIC6_OUTPUT"),
};
static const struct snd_soc_dapm_route wcd937x_audio_map[] = {
{ "ADC1_OUTPUT", NULL, "ADC1_MIXER" },
{ "ADC1_MIXER", "Switch", "ADC1 REQ" },
{ "ADC1 REQ", NULL, "ADC1" },
{ "ADC1", NULL, "AMIC1" },
{ "ADC2_OUTPUT", NULL, "ADC2_MIXER" },
{ "ADC2_MIXER", "Switch", "ADC2 REQ" },
{ "ADC2 REQ", NULL, "ADC2" },
{ "ADC2", NULL, "ADC2 MUX" },
{ "ADC2 MUX", "INP3", "AMIC3" },
{ "ADC2 MUX", "INP2", "AMIC2" },
{ "IN1_HPHL", NULL, "VDD_BUCK" },
{ "IN1_HPHL", NULL, "CLS_H_PORT" },
{ "RX1", NULL, "IN1_HPHL" },
{ "RDAC1", NULL, "RX1" },
{ "HPHL_RDAC", "Switch", "RDAC1" },
{ "HPHL PGA", NULL, "HPHL_RDAC" },
{ "HPHL", NULL, "HPHL PGA" },
{ "IN2_HPHR", NULL, "VDD_BUCK" },
{ "IN2_HPHR", NULL, "CLS_H_PORT" },
{ "RX2", NULL, "IN2_HPHR" },
{ "RDAC2", NULL, "RX2" },
{ "HPHR_RDAC", "Switch", "RDAC2" },
{ "HPHR PGA", NULL, "HPHR_RDAC" },
{ "HPHR", NULL, "HPHR PGA" },
{ "IN3_AUX", NULL, "VDD_BUCK" },
{ "IN3_AUX", NULL, "CLS_H_PORT" },
{ "RX3", NULL, "IN3_AUX" },
{ "RDAC4", NULL, "RX3" },
{ "AUX_RDAC", "Switch", "RDAC4" },
{ "AUX PGA", NULL, "AUX_RDAC" },
{ "AUX", NULL, "AUX PGA" },
{ "RDAC3_MUX", "RX3", "RX3" },
{ "RDAC3_MUX", "RX1", "RX1" },
{ "RDAC3", NULL, "RDAC3_MUX" },
{ "EAR_RDAC", "Switch", "RDAC3" },
{ "EAR PGA", NULL, "EAR_RDAC" },
{ "EAR", NULL, "EAR PGA" },
};
static const struct snd_soc_dapm_route wcd9375_audio_map[] = {
{ "ADC3_OUTPUT", NULL, "ADC3_MIXER" },
{ "ADC3_OUTPUT", NULL, "ADC3_MIXER" },
{ "ADC3_MIXER", "Switch", "ADC3 REQ" },
{ "ADC3 REQ", NULL, "ADC3" },
{ "ADC3", NULL, "AMIC4" },
{ "DMIC1_OUTPUT", NULL, "DMIC1_MIXER" },
{ "DMIC1_MIXER", "Switch", "DMIC1" },
{ "DMIC2_OUTPUT", NULL, "DMIC2_MIXER" },
{ "DMIC2_MIXER", "Switch", "DMIC2" },
{ "DMIC3_OUTPUT", NULL, "DMIC3_MIXER" },
{ "DMIC3_MIXER", "Switch", "DMIC3" },
{ "DMIC4_OUTPUT", NULL, "DMIC4_MIXER" },
{ "DMIC4_MIXER", "Switch", "DMIC4" },
{ "DMIC5_OUTPUT", NULL, "DMIC5_MIXER" },
{ "DMIC5_MIXER", "Switch", "DMIC5" },
{ "DMIC6_OUTPUT", NULL, "DMIC6_MIXER" },
{ "DMIC6_MIXER", "Switch", "DMIC6" },
};
static int wcd937x_set_micbias_data(struct wcd937x_priv *wcd937x)
{
int vout_ctl[3];
/* Set micbias voltage */
vout_ctl[0] = wcd937x_get_micb_vout_ctl_val(wcd937x->micb1_mv);
vout_ctl[1] = wcd937x_get_micb_vout_ctl_val(wcd937x->micb2_mv);
vout_ctl[2] = wcd937x_get_micb_vout_ctl_val(wcd937x->micb3_mv);
if ((vout_ctl[0] | vout_ctl[1] | vout_ctl[2]) < 0)
return -EINVAL;
regmap_update_bits(wcd937x->regmap, WCD937X_ANA_MICB1, WCD937X_ANA_MICB_VOUT, vout_ctl[0]);
regmap_update_bits(wcd937x->regmap, WCD937X_ANA_MICB2, WCD937X_ANA_MICB_VOUT, vout_ctl[1]);
regmap_update_bits(wcd937x->regmap, WCD937X_ANA_MICB3, WCD937X_ANA_MICB_VOUT, vout_ctl[2]);
return 0;
}
static irqreturn_t wcd937x_wd_handle_irq(int irq, void *data)
{
return IRQ_HANDLED;
}
static const struct irq_chip wcd_irq_chip = {
.name = "WCD937x",
};
static int wcd_irq_chip_map(struct irq_domain *irqd, unsigned int virq,
irq_hw_number_t hw)
{
irq_set_chip_and_handler(virq, &wcd_irq_chip, handle_simple_irq);
irq_set_nested_thread(virq, 1);
irq_set_noprobe(virq);
return 0;
}
static const struct irq_domain_ops wcd_domain_ops = {
.map = wcd_irq_chip_map,
};
static int wcd937x_irq_init(struct wcd937x_priv *wcd, struct device *dev)
{
wcd->virq = irq_domain_add_linear(NULL, 1, &wcd_domain_ops, NULL);
if (!(wcd->virq)) {
dev_err(dev, "%s: Failed to add IRQ domain\n", __func__);
return -EINVAL;
}
return devm_regmap_add_irq_chip(dev, wcd->regmap,
irq_create_mapping(wcd->virq, 0),
IRQF_ONESHOT, 0, &wcd937x_regmap_irq_chip,
&wcd->irq_chip);
}
static int wcd937x_soc_codec_probe(struct snd_soc_component *component)
{
struct snd_soc_dapm_context *dapm = snd_soc_component_get_dapm(component);
struct wcd937x_priv *wcd937x = snd_soc_component_get_drvdata(component);
struct sdw_slave *tx_sdw_dev = wcd937x->tx_sdw_dev;
struct device *dev = component->dev;
unsigned long time_left;
int i, ret;
u32 chipid;
time_left = wait_for_completion_timeout(&tx_sdw_dev->initialization_complete,
msecs_to_jiffies(5000));
if (!time_left) {
dev_err(dev, "soundwire device init timeout\n");
return -ETIMEDOUT;
}
snd_soc_component_init_regmap(component, wcd937x->regmap);
ret = pm_runtime_resume_and_get(dev);
if (ret < 0)
return ret;
chipid = (snd_soc_component_read(component,
WCD937X_DIGITAL_EFUSE_REG_0) & 0x1e) >> 1;
if (chipid != CHIPID_WCD9370 && chipid != CHIPID_WCD9375) {
dev_err(dev, "Got unknown chip id: 0x%x\n", chipid);
pm_runtime_put(dev);
return -EINVAL;
}
wcd937x->clsh_info = wcd_clsh_ctrl_alloc(component, WCD937X);
if (IS_ERR(wcd937x->clsh_info)) {
pm_runtime_put(dev);
return PTR_ERR(wcd937x->clsh_info);
}
wcd937x_io_init(wcd937x->regmap);
/* Set all interrupts as edge triggered */
for (i = 0; i < wcd937x_regmap_irq_chip.num_regs; i++)
regmap_write(wcd937x->regmap, (WCD937X_DIGITAL_INTR_LEVEL_0 + i), 0);
pm_runtime_put(dev);
wcd937x->hphr_pdm_wd_int = regmap_irq_get_virq(wcd937x->irq_chip,
WCD937X_IRQ_HPHR_PDM_WD_INT);
wcd937x->hphl_pdm_wd_int = regmap_irq_get_virq(wcd937x->irq_chip,
WCD937X_IRQ_HPHL_PDM_WD_INT);
wcd937x->aux_pdm_wd_int = regmap_irq_get_virq(wcd937x->irq_chip,
WCD937X_IRQ_AUX_PDM_WD_INT);
/* Request for watchdog interrupt */
ret = devm_request_threaded_irq(dev, wcd937x->hphr_pdm_wd_int, NULL, wcd937x_wd_handle_irq,
IRQF_ONESHOT | IRQF_TRIGGER_RISING,
"HPHR PDM WDOG INT", wcd937x);
if (ret)
dev_err(dev, "Failed to request HPHR watchdog interrupt (%d)\n", ret);
ret = devm_request_threaded_irq(dev, wcd937x->hphl_pdm_wd_int, NULL, wcd937x_wd_handle_irq,
IRQF_ONESHOT | IRQF_TRIGGER_RISING,
"HPHL PDM WDOG INT", wcd937x);
if (ret)
dev_err(dev, "Failed to request HPHL watchdog interrupt (%d)\n", ret);
ret = devm_request_threaded_irq(dev, wcd937x->aux_pdm_wd_int, NULL, wcd937x_wd_handle_irq,
IRQF_ONESHOT | IRQF_TRIGGER_RISING,
"AUX PDM WDOG INT", wcd937x);
if (ret)
dev_err(dev, "Failed to request Aux watchdog interrupt (%d)\n", ret);
/* Disable watchdog interrupt for HPH and AUX */
disable_irq_nosync(wcd937x->hphr_pdm_wd_int);
disable_irq_nosync(wcd937x->hphl_pdm_wd_int);
disable_irq_nosync(wcd937x->aux_pdm_wd_int);
if (chipid == CHIPID_WCD9375) {
ret = snd_soc_dapm_new_controls(dapm, wcd9375_dapm_widgets,
ARRAY_SIZE(wcd9375_dapm_widgets));
if (ret < 0) {
dev_err(component->dev, "Failed to add snd_ctls\n");
return ret;
}
ret = snd_soc_dapm_add_routes(dapm, wcd9375_audio_map,
ARRAY_SIZE(wcd9375_audio_map));
if (ret < 0) {
dev_err(component->dev, "Failed to add routes\n");
return ret;
}
}
ret = wcd937x_mbhc_init(component);
if (ret)
dev_err(component->dev, "mbhc initialization failed\n");
return ret;
}
static void wcd937x_soc_codec_remove(struct snd_soc_component *component)
{
struct wcd937x_priv *wcd937x = snd_soc_component_get_drvdata(component);
wcd937x_mbhc_deinit(component);
free_irq(wcd937x->aux_pdm_wd_int, wcd937x);
free_irq(wcd937x->hphl_pdm_wd_int, wcd937x);
free_irq(wcd937x->hphr_pdm_wd_int, wcd937x);
wcd_clsh_ctrl_free(wcd937x->clsh_info);
}
static int wcd937x_codec_set_jack(struct snd_soc_component *comp,
struct snd_soc_jack *jack, void *data)
{
struct wcd937x_priv *wcd = dev_get_drvdata(comp->dev);
int ret = 0;
if (jack)
ret = wcd_mbhc_start(wcd->wcd_mbhc, &wcd->mbhc_cfg, jack);
else
wcd_mbhc_stop(wcd->wcd_mbhc);
return ret;
}
static const struct snd_soc_component_driver soc_codec_dev_wcd937x = {
.name = "wcd937x_codec",
.probe = wcd937x_soc_codec_probe,
.remove = wcd937x_soc_codec_remove,
.controls = wcd937x_snd_controls,
.num_controls = ARRAY_SIZE(wcd937x_snd_controls),
.dapm_widgets = wcd937x_dapm_widgets,
.num_dapm_widgets = ARRAY_SIZE(wcd937x_dapm_widgets),
.dapm_routes = wcd937x_audio_map,
.num_dapm_routes = ARRAY_SIZE(wcd937x_audio_map),
.set_jack = wcd937x_codec_set_jack,
.endianness = 1,
};
static void wcd937x_dt_parse_micbias_info(struct device *dev, struct wcd937x_priv *wcd)
{
struct device_node *np = dev->of_node;
u32 prop_val = 0;
int ret = 0;
ret = of_property_read_u32(np, "qcom,micbias1-microvolt", &prop_val);
if (!ret)
wcd->micb1_mv = prop_val / 1000;
else
dev_warn(dev, "Micbias1 DT property not found\n");
ret = of_property_read_u32(np, "qcom,micbias2-microvolt", &prop_val);
if (!ret)
wcd->micb2_mv = prop_val / 1000;
else
dev_warn(dev, "Micbias2 DT property not found\n");
ret = of_property_read_u32(np, "qcom,micbias3-microvolt", &prop_val);
if (!ret)
wcd->micb3_mv = prop_val / 1000;
else
dev_warn(dev, "Micbias3 DT property not found\n");
}
static bool wcd937x_swap_gnd_mic(struct snd_soc_component *component, bool active)
{
int value;
struct wcd937x_priv *wcd937x;
wcd937x = snd_soc_component_get_drvdata(component);
value = gpiod_get_value(wcd937x->us_euro_gpio);
gpiod_set_value(wcd937x->us_euro_gpio, !value);
return true;
}
static int wcd937x_codec_hw_params(struct snd_pcm_substream *substream,
struct snd_pcm_hw_params *params,
struct snd_soc_dai *dai)
{
struct wcd937x_priv *wcd937x = dev_get_drvdata(dai->dev);
struct wcd937x_sdw_priv *wcd = wcd937x->sdw_priv[dai->id];
return wcd937x_sdw_hw_params(wcd, substream, params, dai);
}
static int wcd937x_codec_free(struct snd_pcm_substream *substream,
struct snd_soc_dai *dai)
{
struct wcd937x_priv *wcd937x = dev_get_drvdata(dai->dev);
struct wcd937x_sdw_priv *wcd = wcd937x->sdw_priv[dai->id];
return sdw_stream_remove_slave(wcd->sdev, wcd->sruntime);
}
static int wcd937x_codec_set_sdw_stream(struct snd_soc_dai *dai,
void *stream, int direction)
{
struct wcd937x_priv *wcd937x = dev_get_drvdata(dai->dev);
struct wcd937x_sdw_priv *wcd = wcd937x->sdw_priv[dai->id];
wcd->sruntime = stream;
return 0;
}
static const struct snd_soc_dai_ops wcd937x_sdw_dai_ops = {
.hw_params = wcd937x_codec_hw_params,
.hw_free = wcd937x_codec_free,
.set_stream = wcd937x_codec_set_sdw_stream,
};
static struct snd_soc_dai_driver wcd937x_dais[] = {
[0] = {
.name = "wcd937x-sdw-rx",
.playback = {
.stream_name = "WCD AIF Playback",
.rates = WCD937X_RATES | WCD937X_FRAC_RATES,
.formats = WCD937X_FORMATS,
.rate_min = 8000,
.rate_max = 384000,
.channels_min = 1,
.channels_max = 4,
},
.ops = &wcd937x_sdw_dai_ops,
},
[1] = {
.name = "wcd937x-sdw-tx",
.capture = {
.stream_name = "WCD AIF Capture",
.rates = WCD937X_RATES,
.formats = WCD937X_FORMATS,
.rate_min = 8000,
.rate_max = 192000,
.channels_min = 1,
.channels_max = 4,
},
.ops = &wcd937x_sdw_dai_ops,
},
};
static int wcd937x_bind(struct device *dev)
{
struct wcd937x_priv *wcd937x = dev_get_drvdata(dev);
int ret;
/* Give the SDW subdevices some more time to settle */
usleep_range(5000, 5010);
ret = component_bind_all(dev, wcd937x);
if (ret) {
dev_err(dev, "Slave bind failed, ret = %d\n", ret);
return ret;
}
wcd937x->rxdev = wcd937x_sdw_device_get(wcd937x->rxnode);
if (!wcd937x->rxdev) {
dev_err(dev, "could not find slave with matching of node\n");
return -EINVAL;
}
wcd937x->sdw_priv[AIF1_PB] = dev_get_drvdata(wcd937x->rxdev);
wcd937x->sdw_priv[AIF1_PB]->wcd937x = wcd937x;
wcd937x->txdev = wcd937x_sdw_device_get(wcd937x->txnode);
if (!wcd937x->txdev) {
dev_err(dev, "could not find txslave with matching of node\n");
return -EINVAL;
}
wcd937x->sdw_priv[AIF1_CAP] = dev_get_drvdata(wcd937x->txdev);
wcd937x->sdw_priv[AIF1_CAP]->wcd937x = wcd937x;
wcd937x->tx_sdw_dev = dev_to_sdw_dev(wcd937x->txdev);
if (!wcd937x->tx_sdw_dev) {
dev_err(dev, "could not get txslave with matching of dev\n");
return -EINVAL;
}
/*
* As TX is the main CSR reg interface, which should not be suspended first.
* expicilty add the dependency link
*/
if (!device_link_add(wcd937x->rxdev, wcd937x->txdev,
DL_FLAG_STATELESS | DL_FLAG_PM_RUNTIME)) {
dev_err(dev, "Could not devlink TX and RX\n");
return -EINVAL;
}
if (!device_link_add(dev, wcd937x->txdev,
DL_FLAG_STATELESS | DL_FLAG_PM_RUNTIME)) {
dev_err(dev, "Could not devlink WCD and TX\n");
return -EINVAL;
}
if (!device_link_add(dev, wcd937x->rxdev,
DL_FLAG_STATELESS | DL_FLAG_PM_RUNTIME)) {
dev_err(dev, "Could not devlink WCD and RX\n");
return -EINVAL;
}
wcd937x->regmap = dev_get_regmap(&wcd937x->tx_sdw_dev->dev, NULL);
if (!wcd937x->regmap) {
dev_err(dev, "could not get TX device regmap\n");
return -EINVAL;
}
ret = wcd937x_irq_init(wcd937x, dev);
if (ret) {
dev_err(dev, "IRQ init failed: %d\n", ret);
return ret;
}
wcd937x->sdw_priv[AIF1_PB]->slave_irq = wcd937x->virq;
wcd937x->sdw_priv[AIF1_CAP]->slave_irq = wcd937x->virq;
ret = wcd937x_set_micbias_data(wcd937x);
if (ret < 0) {
dev_err(dev, "Bad micbias pdata\n");
return ret;
}
ret = snd_soc_register_component(dev, &soc_codec_dev_wcd937x,
wcd937x_dais, ARRAY_SIZE(wcd937x_dais));
if (ret)
dev_err(dev, "Codec registration failed\n");
return ret;
}
static void wcd937x_unbind(struct device *dev)
{
struct wcd937x_priv *wcd937x = dev_get_drvdata(dev);
snd_soc_unregister_component(dev);
device_link_remove(dev, wcd937x->txdev);
device_link_remove(dev, wcd937x->rxdev);
device_link_remove(wcd937x->rxdev, wcd937x->txdev);
component_unbind_all(dev, wcd937x);
mutex_destroy(&wcd937x->micb_lock);
}
static const struct component_master_ops wcd937x_comp_ops = {
.bind = wcd937x_bind,
.unbind = wcd937x_unbind,
};
static int wcd937x_add_slave_components(struct wcd937x_priv *wcd937x,
struct device *dev,
struct component_match **matchptr)
{
struct device_node *np = dev->of_node;
wcd937x->rxnode = of_parse_phandle(np, "qcom,rx-device", 0);
if (!wcd937x->rxnode) {
dev_err(dev, "Couldn't parse phandle to qcom,rx-device!\n");
return -ENODEV;
}
of_node_get(wcd937x->rxnode);
component_match_add_release(dev, matchptr, component_release_of,
component_compare_of, wcd937x->rxnode);
wcd937x->txnode = of_parse_phandle(np, "qcom,tx-device", 0);
if (!wcd937x->txnode) {
dev_err(dev, "Couldn't parse phandle to qcom,tx-device\n");
return -ENODEV;
}
of_node_get(wcd937x->txnode);
component_match_add_release(dev, matchptr, component_release_of,
component_compare_of, wcd937x->txnode);
return 0;
}
static int wcd937x_probe(struct platform_device *pdev)
{
struct component_match *match = NULL;
struct device *dev = &pdev->dev;
struct wcd937x_priv *wcd937x;
struct wcd_mbhc_config *cfg;
int ret;
wcd937x = devm_kzalloc(dev, sizeof(*wcd937x), GFP_KERNEL);
if (!wcd937x)
return -ENOMEM;
dev_set_drvdata(dev, wcd937x);
mutex_init(&wcd937x->micb_lock);
wcd937x->reset_gpio = devm_gpiod_get(dev, "reset", GPIOD_OUT_LOW);
if (IS_ERR(wcd937x->reset_gpio))
return dev_err_probe(dev, PTR_ERR(wcd937x->reset_gpio),
"failed to reset wcd gpio\n");
wcd937x->us_euro_gpio = devm_gpiod_get_optional(dev, "us-euro", GPIOD_OUT_LOW);
if (IS_ERR(wcd937x->us_euro_gpio))
return dev_err_probe(dev, PTR_ERR(wcd937x->us_euro_gpio),
"us-euro swap Control GPIO not found\n");
cfg = &wcd937x->mbhc_cfg;
cfg->swap_gnd_mic = wcd937x_swap_gnd_mic;
wcd937x->supplies[0].supply = "vdd-rxtx";
wcd937x->supplies[1].supply = "vdd-px";
wcd937x->supplies[2].supply = "vdd-mic-bias";
wcd937x->supplies[3].supply = "vdd-buck";
ret = devm_regulator_bulk_get(dev, WCD937X_MAX_BULK_SUPPLY, wcd937x->supplies);
if (ret)
return dev_err_probe(dev, ret, "Failed to get supplies\n");
ret = regulator_bulk_enable(WCD937X_MAX_BULK_SUPPLY, wcd937x->supplies);
if (ret) {
regulator_bulk_free(WCD937X_MAX_BULK_SUPPLY, wcd937x->supplies);
return dev_err_probe(dev, ret, "Failed to enable supplies\n");
}
wcd937x_dt_parse_micbias_info(dev, wcd937x);
cfg->mbhc_micbias = MIC_BIAS_2;
cfg->anc_micbias = MIC_BIAS_2;
cfg->v_hs_max = WCD_MBHC_HS_V_MAX;
cfg->num_btn = WCD937X_MBHC_MAX_BUTTONS;
cfg->micb_mv = wcd937x->micb2_mv;
cfg->linein_th = 5000;
cfg->hs_thr = 1700;
cfg->hph_thr = 50;
wcd_dt_parse_mbhc_data(dev, &wcd937x->mbhc_cfg);
ret = wcd937x_add_slave_components(wcd937x, dev, &match);
if (ret)
goto err_disable_regulators;
wcd937x_reset(wcd937x);
ret = component_master_add_with_match(dev, &wcd937x_comp_ops, match);
if (ret)
goto err_disable_regulators;
pm_runtime_set_autosuspend_delay(dev, 1000);
pm_runtime_use_autosuspend(dev);
pm_runtime_mark_last_busy(dev);
pm_runtime_set_active(dev);
pm_runtime_enable(dev);
pm_runtime_idle(dev);
return 0;
err_disable_regulators:
regulator_bulk_disable(WCD937X_MAX_BULK_SUPPLY, wcd937x->supplies);
regulator_bulk_free(WCD937X_MAX_BULK_SUPPLY, wcd937x->supplies);
return ret;
}
static void wcd937x_remove(struct platform_device *pdev)
{
struct device *dev = &pdev->dev;
struct wcd937x_priv *wcd937x = dev_get_drvdata(dev);
component_master_del(&pdev->dev, &wcd937x_comp_ops);
pm_runtime_disable(dev);
pm_runtime_set_suspended(dev);
pm_runtime_dont_use_autosuspend(dev);
regulator_bulk_disable(WCD937X_MAX_BULK_SUPPLY, wcd937x->supplies);
regulator_bulk_free(WCD937X_MAX_BULK_SUPPLY, wcd937x->supplies);
}
#if defined(CONFIG_OF)
static const struct of_device_id wcd937x_of_match[] = {
{ .compatible = "qcom,wcd9370-codec" },
{ .compatible = "qcom,wcd9375-codec" },
{ }
};
MODULE_DEVICE_TABLE(of, wcd937x_of_match);
#endif
static struct platform_driver wcd937x_codec_driver = {
.probe = wcd937x_probe,
.remove_new = wcd937x_remove,
.driver = {
.name = "wcd937x_codec",
.of_match_table = of_match_ptr(wcd937x_of_match),
.suppress_bind_attrs = true,
},
};
module_platform_driver(wcd937x_codec_driver);
MODULE_DESCRIPTION("WCD937X Codec driver");
MODULE_LICENSE("GPL");
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