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gerrit-public.fairphone.software / platform / vendor / opensource / audio-kernel / 997da40118c577f37bde0d1629410779fdde0c61 / . / asoc / codecs / wcd937x / wcd937x.c
blob: d60b9f37b673cd86d94316a0cea10b8bdfd685d2 [file] [log] [blame]
/*
* Copyright (c) 2018, The Linux Foundation. All rights reserved.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 and
* only version 2 as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*/
#include <linux/module.h>
#include <linux/slab.h>
#include <linux/platform_device.h>
#include <linux/device.h>
#include <linux/delay.h>
#include <linux/kernel.h>
#include <linux/component.h>
#include <sound/soc.h>
#include <sound/tlv.h>
#include <soc/soundwire.h>
#include <linux/regmap.h>
#include <sound/soc.h>
#include <sound/soc-dapm.h>
#include "internal.h"
#include "../wcdcal-hwdep.h"
#include "wcd937x-registers.h"
#include "../msm-cdc-pinctrl.h"
#include <dt-bindings/sound/audio-codec-port-types.h>
#include "../msm-cdc-supply.h"
#define WCD9370_VARIANT 0
#define WCD9375_VARIANT 5
#define NUM_SWRS_DT_PARAMS 5
enum {
CODEC_TX = 0,
CODEC_RX,
};
static const DECLARE_TLV_DB_SCALE(line_gain, 0, 7, 1);
static const DECLARE_TLV_DB_SCALE(analog_gain, 0, 25, 1);
static int wcd937x_handle_post_irq(void *data);
static const struct regmap_irq wcd937x_irqs[WCD937X_NUM_IRQS] = {
REGMAP_IRQ_REG(WCD937X_IRQ_MBHC_BUTTON_PRESS_DET, 0, 0x01),
REGMAP_IRQ_REG(WCD937X_IRQ_MBHC_BUTTON_RELEASE_DET, 0, 0x02),
REGMAP_IRQ_REG(WCD937X_IRQ_MBHC_ELECT_INS_REM_DET, 0, 0x04),
REGMAP_IRQ_REG(WCD937X_IRQ_MBHC_ELECT_INS_REM_LEG_DET, 0, 0x08),
REGMAP_IRQ_REG(WCD937X_IRQ_MBHC_SW_DET, 0, 0x10),
REGMAP_IRQ_REG(WCD937X_IRQ_HPHR_OCP_INT, 0, 0x20),
REGMAP_IRQ_REG(WCD937X_IRQ_HPHR_CNP_INT, 0, 0x40),
REGMAP_IRQ_REG(WCD937X_IRQ_HPHL_OCP_INT, 0, 0x80),
REGMAP_IRQ_REG(WCD937X_IRQ_HPHL_CNP_INT, 1, 0x01),
REGMAP_IRQ_REG(WCD937X_IRQ_EAR_CNP_INT, 1, 0x02),
REGMAP_IRQ_REG(WCD937X_IRQ_EAR_SCD_INT, 1, 0x04),
REGMAP_IRQ_REG(WCD937X_IRQ_AUX_CNP_INT, 1, 0x08),
REGMAP_IRQ_REG(WCD937X_IRQ_AUX_SCD_INT, 1, 0x10),
REGMAP_IRQ_REG(WCD937X_IRQ_HPHL_PDM_WD_INT, 1, 0x20),
REGMAP_IRQ_REG(WCD937X_IRQ_HPHR_PDM_WD_INT, 1, 0x40),
REGMAP_IRQ_REG(WCD937X_IRQ_AUX_PDM_WD_INT, 1, 0x80),
REGMAP_IRQ_REG(WCD937X_IRQ_LDORT_SCD_INT, 2, 0x01),
REGMAP_IRQ_REG(WCD937X_IRQ_MBHC_MOISTURE_INT, 2, 0x02),
REGMAP_IRQ_REG(WCD937X_IRQ_HPHL_SURGE_DET_INT, 2, 0x04),
REGMAP_IRQ_REG(WCD937X_IRQ_HPHR_SURGE_DET_INT, 2, 0x08),
};
static 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,
.type_base = WCD937X_DIGITAL_INTR_LEVEL_0,
.runtime_pm = false,
.handle_post_irq = wcd937x_handle_post_irq,
.irq_drv_data = NULL,
};
static int wcd937x_handle_post_irq(void *data)
{
struct wcd937x_priv *wcd937x = data;
int val = 0;
struct wcd937x_pdata *pdata = NULL;
pdata = dev_get_platdata(wcd937x->dev);
regmap_read(wcd937x->regmap, WCD937X_DIGITAL_INTR_STATUS_0, &val);
dev_dbg(wcd937x->dev, "%s Clear OCP interupts\n", __func__);
regmap_write(wcd937x->regmap,
WCD937X_DIGITAL_INTR_CLEAR_0, 0xFF);
regmap_write(wcd937x->regmap,
WCD937X_DIGITAL_INTR_CLEAR_0, 0x0);
regmap_read(wcd937x->regmap, WCD937X_DIGITAL_INTR_STATUS_1, &val);
dev_dbg(wcd937x->dev, "%s Clear SCD interupts\n", __func__);
regmap_write(wcd937x->regmap,
WCD937X_DIGITAL_INTR_CLEAR_1, 0xFF);
regmap_write(wcd937x->regmap,
WCD937X_DIGITAL_INTR_CLEAR_1, 0x0);
regmap_write(wcd937x->regmap,
WCD937X_DIGITAL_INTR_CLEAR_2, 0xFF);
regmap_write(wcd937x->regmap,
WCD937X_DIGITAL_INTR_CLEAR_2, 0x0);
regmap_read(wcd937x->regmap, WCD937X_DIGITAL_INTR_STATUS_0, &val);
regmap_read(wcd937x->regmap, WCD937X_DIGITAL_INTR_STATUS_1, &val);
regmap_read(wcd937x->regmap, WCD937X_DIGITAL_INTR_STATUS_2, &val);
regmap_read(wcd937x->regmap, WCD937X_DIGITAL_INTR_CLEAR_0, &val);
regmap_read(wcd937x->regmap, WCD937X_DIGITAL_INTR_CLEAR_1, &val);
regmap_read(wcd937x->regmap, WCD937X_DIGITAL_INTR_CLEAR_2, &val);
return IRQ_HANDLED;
}
static int wcd937x_init_reg(struct snd_soc_codec *codec)
{
snd_soc_update_bits(codec, WCD937X_SLEEP_CTL, 0x0E, 0x0E);
snd_soc_update_bits(codec, WCD937X_SLEEP_CTL, 0x80, 0x80);
usleep_range(1000, 1010);
snd_soc_update_bits(codec, WCD937X_SLEEP_CTL, 0x40, 0x40);
usleep_range(1000, 1010);
snd_soc_update_bits(codec, WCD937X_LDORXTX_CONFIG, 0x10, 0x00);
snd_soc_update_bits(codec, WCD937X_BIAS_VBG_FINE_ADJ, 0xF0, 0x80);
snd_soc_update_bits(codec, WCD937X_ANA_BIAS, 0x80, 0x80);
snd_soc_update_bits(codec, WCD937X_ANA_BIAS, 0x40, 0x40);
usleep_range(10000, 10010);
snd_soc_update_bits(codec, WCD937X_ANA_BIAS, 0x40, 0x00);
return 0;
}
static int wcd937x_set_port_params(struct snd_soc_codec *codec, u8 slv_prt_type,
u8 *port_id, u8 *num_ch, u8 *ch_mask, u32 *ch_rate,
u8 *port_type, u8 path)
{
int i, j;
u8 num_ports;
struct codec_port_info (*map)[MAX_PORT][MAX_CH_PER_PORT];
struct wcd937x_priv *wcd937x = snd_soc_codec_get_drvdata(codec);
switch (path) {
case CODEC_RX:
map = &wcd937x->rx_port_mapping;
num_ports = wcd937x->num_rx_ports;
break;
case CODEC_TX:
map = &wcd937x->tx_port_mapping;
num_ports = wcd937x->num_tx_ports;
break;
}
for (i = 0; i <= num_ports; i++) {
for (j = 0; j < MAX_CH_PER_PORT; j++) {
if ((*map)[i][j].slave_port_type == slv_prt_type)
goto found;
}
}
found:
if (i > num_ports || j == MAX_CH_PER_PORT) {
dev_err(codec->dev, "%s Failed to find slave port for type %u\n",
__func__, slv_prt_type);
return -EINVAL;
}
*port_id = i;
*num_ch = (*map)[i][j].num_ch;
*ch_mask = (*map)[i][j].ch_mask;
*ch_rate = (*map)[i][j].ch_rate;
*port_type = (*map)[i][j].master_port_type;
return 0;
}
static int wcd937x_parse_port_mapping(struct device *dev,
char *prop, u8 path)
{
u32 *dt_array, map_size, map_length;
u32 port_num, ch_mask, ch_rate, old_port_num = 0;
u32 slave_port_type, master_port_type;
u32 i, ch_iter = 0;
int ret = 0;
u8 *num_ports;
struct codec_port_info (*map)[MAX_PORT][MAX_CH_PER_PORT];
struct wcd937x_priv *wcd937x = dev_get_drvdata(dev);
switch (path) {
case CODEC_RX:
map = &wcd937x->rx_port_mapping;
num_ports = &wcd937x->num_rx_ports;
break;
case CODEC_TX:
map = &wcd937x->tx_port_mapping;
num_ports = &wcd937x->num_tx_ports;
break;
}
if (!of_find_property(dev->of_node, prop,
&map_size)) {
dev_err(dev, "missing port mapping prop %s\n", prop);
goto err_pdata_fail;
}
map_length = map_size / (NUM_SWRS_DT_PARAMS * sizeof(u32));
dt_array = kzalloc(map_size, GFP_KERNEL);
if (!dt_array) {
ret = -ENOMEM;
goto err_pdata_fail;
}
ret = of_property_read_u32_array(dev->of_node, prop, dt_array,
NUM_SWRS_DT_PARAMS * map_length);
if (ret) {
dev_err(dev, "%s: Failed to read port mapping from prop %s\n",
__func__, prop);
goto err_pdata_fail;
}
for (i = 0; i < map_length; i++) {
port_num = dt_array[NUM_SWRS_DT_PARAMS * i];
slave_port_type = dt_array[NUM_SWRS_DT_PARAMS * i + 1];
ch_mask = dt_array[NUM_SWRS_DT_PARAMS * i + 2];
ch_rate = dt_array[NUM_SWRS_DT_PARAMS * i + 3];
master_port_type = dt_array[NUM_SWRS_DT_PARAMS * i + 4];
if (port_num != old_port_num)
ch_iter = 0;
(*map)[port_num][ch_iter].slave_port_type = slave_port_type;
(*map)[port_num][ch_iter].ch_mask = ch_mask;
(*map)[port_num][ch_iter].master_port_type = master_port_type;
(*map)[port_num][ch_iter].num_ch = __sw_hweight8(ch_mask);
(*map)[port_num][ch_iter++].ch_rate = ch_rate;
old_port_num = port_num;
}
*num_ports = port_num;
kfree(dt_array);
return 0;
err_pdata_fail:
kfree(dt_array);
return -EINVAL;
}
static int wcd937x_tx_connect_port(struct snd_soc_codec *codec,
u8 slv_port_type, u8 enable)
{
struct wcd937x_priv *wcd937x = snd_soc_codec_get_drvdata(codec);
u8 port_id;
u8 num_ch;
u8 ch_mask;
u32 ch_rate;
u8 port_type;
u8 num_port = 1;
int ret = 0;
ret = wcd937x_set_port_params(codec, slv_port_type, &port_id,
&num_ch, &ch_mask, &ch_rate,
&port_type, CODEC_TX);
if (ret)
return ret;
if (enable)
ret = swr_connect_port(wcd937x->tx_swr_dev, &port_id,
num_port, &ch_mask, &ch_rate,
&num_ch, &port_type);
else
ret = swr_disconnect_port(wcd937x->tx_swr_dev, &port_id,
num_port, &ch_mask, &port_type);
return ret;
}
static int wcd937x_rx_connect_port(struct snd_soc_codec *codec,
u8 slv_port_type, u8 enable)
{
struct wcd937x_priv *wcd937x = snd_soc_codec_get_drvdata(codec);
u8 port_id;
u8 num_ch;
u8 ch_mask;
u32 ch_rate;
u8 port_type;
u8 num_port = 1;
int ret = 0;
ret = wcd937x_set_port_params(codec, slv_port_type, &port_id,
&num_ch, &ch_mask, &ch_rate,
&port_type, CODEC_RX);
if (ret)
return ret;
if (enable)
ret = swr_connect_port(wcd937x->rx_swr_dev, &port_id,
num_port, &ch_mask, &ch_rate,
&num_ch, &port_type);
else
ret = swr_disconnect_port(wcd937x->rx_swr_dev, &port_id,
num_port, &ch_mask, &port_type);
return ret;
}
static int wcd937x_rx_clk_enable(struct snd_soc_codec *codec)
{
struct wcd937x_priv *wcd937x = snd_soc_codec_get_drvdata(codec);
if (wcd937x->rx_clk_cnt == 0) {
snd_soc_update_bits(codec, WCD937X_DIGITAL_CDC_DIG_CLK_CTL,
0x08, 0x08);
snd_soc_update_bits(codec, WCD937X_DIGITAL_CDC_ANA_CLK_CTL,
0x01, 0x01);
snd_soc_update_bits(codec, WCD937X_ANA_RX_SUPPLIES, 0x01, 0x01);
snd_soc_update_bits(codec, WCD937X_DIGITAL_CDC_RX0_CTL,
0x40, 0x00);
snd_soc_update_bits(codec, WCD937X_DIGITAL_CDC_RX1_CTL,
0x40, 0x00);
snd_soc_update_bits(codec, WCD937X_DIGITAL_CDC_RX2_CTL,
0x40, 0x00);
snd_soc_update_bits(codec, WCD937X_DIGITAL_CDC_ANA_CLK_CTL,
0x02, 0x02);
}
wcd937x->rx_clk_cnt++;
return 0;
}
static int wcd937x_rx_clk_disable(struct snd_soc_codec *codec)
{
struct wcd937x_priv *wcd937x = snd_soc_codec_get_drvdata(codec);
wcd937x->rx_clk_cnt--;
if (wcd937x->rx_clk_cnt == 0) {
snd_soc_update_bits(codec, WCD937X_ANA_RX_SUPPLIES, 0x40, 0x00);
snd_soc_update_bits(codec, WCD937X_ANA_RX_SUPPLIES, 0x80, 0x00);
snd_soc_update_bits(codec, WCD937X_ANA_RX_SUPPLIES, 0x01, 0x00);
snd_soc_update_bits(codec, WCD937X_DIGITAL_CDC_ANA_CLK_CTL,
0x02, 0x00);
snd_soc_update_bits(codec, WCD937X_DIGITAL_CDC_ANA_CLK_CTL,
0x01, 0x00);
}
return 0;
}
/*
* wcd937x_soc_get_mbhc: get wcd937x_mbhc handle of corresponding codec
* @codec: handle to snd_soc_codec *
*
* return wcd937x_mbhc handle or error code in case of failure
*/
struct wcd937x_mbhc *wcd937x_soc_get_mbhc(struct snd_soc_codec *codec)
{
struct wcd937x_priv *wcd937x;
if (!codec) {
pr_err("%s: Invalid params, NULL codec\n", __func__);
return NULL;
}
wcd937x = snd_soc_codec_get_drvdata(codec);
if (!wcd937x) {
pr_err("%s: Invalid params, NULL tavil\n", __func__);
return NULL;
}
return wcd937x->mbhc;
}
EXPORT_SYMBOL(wcd937x_soc_get_mbhc);
static int wcd937x_codec_hphl_dac_event(struct snd_soc_dapm_widget *w,
struct snd_kcontrol *kcontrol,
int event)
{
struct snd_soc_codec *codec = snd_soc_dapm_to_codec(w->dapm);
struct wcd937x_priv *wcd937x = snd_soc_codec_get_drvdata(codec);
int ret = 0;
dev_dbg(codec->dev, "%s wname: %s event: %d\n", __func__,
w->name, event);
switch (event) {
case SND_SOC_DAPM_PRE_PMU:
wcd937x_rx_clk_enable(codec);
snd_soc_update_bits(codec, WCD937X_DIGITAL_CDC_DIG_CLK_CTL,
0x01, 0x01);
snd_soc_update_bits(codec, WCD937X_DIGITAL_CDC_HPH_GAIN_CTL,
0x04, 0x04);
snd_soc_update_bits(codec, WCD937X_HPH_RDAC_CLK_CTL1,
0x80, 0x00);
break;
case SND_SOC_DAPM_POST_PMU:
snd_soc_update_bits(codec, WCD937X_HPH_NEW_INT_RDAC_HD2_CTL_L,
0x0F, 0x02);
snd_soc_update_bits(codec, WCD937X_DIGITAL_CDC_COMP_CTL_0,
0x02, 0x02);
usleep_range(5000, 5010);
snd_soc_update_bits(codec, WCD937X_HPH_NEW_INT_HPH_TIMER1,
0x02, 0x00);
break;
case SND_SOC_DAPM_POST_PMD:
ret = swr_slvdev_datapath_control(wcd937x->rx_swr_dev,
wcd937x->rx_swr_dev->dev_num,
false);
break;
}
return ret;
}
static int wcd937x_codec_hphr_dac_event(struct snd_soc_dapm_widget *w,
struct snd_kcontrol *kcontrol,
int event)
{
struct snd_soc_codec *codec = snd_soc_dapm_to_codec(w->dapm);
struct wcd937x_priv *wcd937x = snd_soc_codec_get_drvdata(codec);
int ret = 0;
dev_dbg(codec->dev, "%s wname: %s event: %d\n", __func__,
w->name, event);
switch (event) {
case SND_SOC_DAPM_PRE_PMU:
wcd937x_rx_clk_enable(codec);
snd_soc_update_bits(codec, WCD937X_DIGITAL_CDC_DIG_CLK_CTL,
0x02, 0x02);
snd_soc_update_bits(codec, WCD937X_DIGITAL_CDC_HPH_GAIN_CTL,
0x08, 0x08);
snd_soc_update_bits(codec, WCD937X_HPH_RDAC_CLK_CTL1,
0x80, 0x00);
break;
case SND_SOC_DAPM_POST_PMU:
snd_soc_update_bits(codec, WCD937X_HPH_NEW_INT_RDAC_HD2_CTL_R,
0x0F, 0x02);
snd_soc_update_bits(codec, WCD937X_DIGITAL_CDC_COMP_CTL_0,
0x01, 0x01);
usleep_range(5000, 5010);
snd_soc_update_bits(codec, WCD937X_HPH_NEW_INT_HPH_TIMER1,
0x02, 0x00);
break;
case SND_SOC_DAPM_POST_PMD:
ret = swr_slvdev_datapath_control(wcd937x->rx_swr_dev,
wcd937x->rx_swr_dev->dev_num,
false);
break;
}
return ret;
}
static int wcd937x_codec_ear_dac_event(struct snd_soc_dapm_widget *w,
struct snd_kcontrol *kcontrol,
int event)
{
struct snd_soc_codec *codec = snd_soc_dapm_to_codec(w->dapm);
struct wcd937x_priv *wcd937x = snd_soc_codec_get_drvdata(codec);
int ret = 0;
dev_dbg(codec->dev, "%s wname: %s event: %d\n", __func__,
w->name, event);
switch (event) {
case SND_SOC_DAPM_PRE_PMU:
wcd937x_rx_clk_enable(codec);
snd_soc_update_bits(codec, WCD937X_DIGITAL_CDC_HPH_GAIN_CTL,
0x04, 0x04);
snd_soc_update_bits(codec, WCD937X_DIGITAL_CDC_DIG_CLK_CTL,
0x01, 0x01);
snd_soc_update_bits(codec, WCD937X_DIGITAL_CDC_COMP_CTL_0,
0x02, 0x02);
usleep_range(5000, 5010);
break;
case SND_SOC_DAPM_POST_PMD:
ret = swr_slvdev_datapath_control(wcd937x->rx_swr_dev,
wcd937x->rx_swr_dev->dev_num,
false);
break;
};
return ret;
}
static int wcd937x_codec_aux_dac_event(struct snd_soc_dapm_widget *w,
struct snd_kcontrol *kcontrol,
int event)
{
struct snd_soc_codec *codec = snd_soc_dapm_to_codec(w->dapm);
struct wcd937x_priv *wcd937x = snd_soc_codec_get_drvdata(codec);
int ret = 0;
dev_dbg(codec->dev, "%s wname: %s event: %d\n", __func__,
w->name, event);
switch (event) {
case SND_SOC_DAPM_PRE_PMU:
wcd937x_rx_clk_enable(codec);
snd_soc_update_bits(codec, WCD937X_DIGITAL_CDC_ANA_CLK_CTL,
0x04, 0x04);
snd_soc_update_bits(codec, WCD937X_DIGITAL_CDC_DIG_CLK_CTL,
0x04, 0x04);
snd_soc_update_bits(codec, WCD937X_DIGITAL_CDC_AUX_GAIN_CTL,
0x01, 0x01);
break;
case SND_SOC_DAPM_POST_PMD:
ret = swr_slvdev_datapath_control(wcd937x->rx_swr_dev,
wcd937x->rx_swr_dev->dev_num,
false);
wcd937x_rx_clk_disable(codec);
snd_soc_update_bits(codec, WCD937X_DIGITAL_CDC_ANA_CLK_CTL,
0x04, 0x00);
break;
};
return ret;
}
static int wcd937x_codec_enable_hphr_pa(struct snd_soc_dapm_widget *w,
struct snd_kcontrol *kcontrol,
int event)
{
struct snd_soc_codec *codec = snd_soc_dapm_to_codec(w->dapm);
struct wcd937x_priv *wcd937x = snd_soc_codec_get_drvdata(codec);
int ret = 0;
dev_dbg(codec->dev, "%s wname: %s event: %d\n", __func__,
w->name, event);
switch (event) {
case SND_SOC_DAPM_PRE_PMU:
snd_soc_update_bits(codec, WCD937X_ANA_HPH, 0x10, 0x10);
usleep_range(100, 110);
break;
case SND_SOC_DAPM_POST_PMU:
usleep_range(7000, 7010);
snd_soc_update_bits(codec, WCD937X_HPH_NEW_INT_HPH_TIMER1,
0x02, 0x02);
snd_soc_update_bits(codec, WCD937X_ANA_RX_SUPPLIES,
0x02, 0x02);
ret = swr_slvdev_datapath_control(wcd937x->rx_swr_dev,
wcd937x->rx_swr_dev->dev_num,
true);
break;
case SND_SOC_DAPM_POST_PMD:
usleep_range(7000, 7010);
snd_soc_update_bits(codec, WCD937X_ANA_HPH, 0x10, 0x00);
break;
};
return ret;
}
static int wcd937x_codec_enable_hphl_pa(struct snd_soc_dapm_widget *w,
struct snd_kcontrol *kcontrol,
int event)
{
struct snd_soc_codec *codec = snd_soc_dapm_to_codec(w->dapm);
struct wcd937x_priv *wcd937x = snd_soc_codec_get_drvdata(codec);
int ret = 0;
switch (event) {
case SND_SOC_DAPM_PRE_PMU:
snd_soc_update_bits(codec, WCD937X_ANA_HPH, 0x0C, 0x08);
snd_soc_update_bits(codec, WCD937X_ANA_HPH, 0x20, 0x20);
usleep_range(100, 110);
break;
case SND_SOC_DAPM_POST_PMU:
usleep_range(7000, 7010);
snd_soc_update_bits(codec, WCD937X_HPH_NEW_INT_HPH_TIMER1,
0x02, 0x02);
snd_soc_update_bits(codec, WCD937X_ANA_RX_SUPPLIES,
0x02, 0x02);
ret = swr_slvdev_datapath_control(wcd937x->rx_swr_dev,
wcd937x->rx_swr_dev->dev_num,
true);
break;
case SND_SOC_DAPM_POST_PMD:
usleep_range(7000, 7010);
snd_soc_update_bits(codec, WCD937X_ANA_HPH, 0x20, 0x00);
break;
};
return ret;
}
static int wcd937x_codec_enable_aux_pa(struct snd_soc_dapm_widget *w,
struct snd_kcontrol *kcontrol,
int event)
{
struct snd_soc_codec *codec = snd_soc_dapm_to_codec(w->dapm);
struct wcd937x_priv *wcd937x = snd_soc_codec_get_drvdata(codec);
int ret = 0;
dev_dbg(codec->dev, "%s wname: %s event: %d\n", __func__,
w->name, event);
switch (event) {
case SND_SOC_DAPM_PRE_PMU:
snd_soc_update_bits(codec, WCD937X_ANA_RX_SUPPLIES,
0x80, 0x80);
usleep_range(500, 510);
snd_soc_update_bits(codec, WCD937X_CLASSH_MODE_2, 0xFF, 0x3A);
usleep_range(500, 510);
break;
case SND_SOC_DAPM_POST_PMU:
usleep_range(1000, 1010);
snd_soc_update_bits(codec, WCD937X_ANA_RX_SUPPLIES,
0x20, 0x20);
ret = swr_slvdev_datapath_control(wcd937x->rx_swr_dev,
wcd937x->rx_swr_dev->dev_num,
true);
break;
case SND_SOC_DAPM_POST_PMD:
usleep_range(1000, 1010);
usleep_range(1000, 1010);
break;
};
return ret;
}
static int wcd937x_codec_enable_ear_pa(struct snd_soc_dapm_widget *w,
struct snd_kcontrol *kcontrol,
int event)
{
struct snd_soc_codec *codec = snd_soc_dapm_to_codec(w->dapm);
struct wcd937x_priv *wcd937x = snd_soc_codec_get_drvdata(codec);
int ret = 0;
dev_dbg(codec->dev, "%s wname: %s event: %d\n", __func__,
w->name, event);
switch (event) {
case SND_SOC_DAPM_PRE_PMU:
snd_soc_update_bits(codec, WCD937X_ANA_RX_SUPPLIES,
0x08, 0x08);
usleep_range(500, 510);
snd_soc_update_bits(codec, WCD937X_CLASSH_MODE_2, 0xFF, 0x3A);
usleep_range(500, 510);
break;
case SND_SOC_DAPM_POST_PMU:
usleep_range(6000, 6010);
snd_soc_update_bits(codec, WCD937X_ANA_RX_SUPPLIES,
0x02, 0x02);
ret = swr_slvdev_datapath_control(wcd937x->rx_swr_dev,
wcd937x->rx_swr_dev->dev_num,
true);
break;
case SND_SOC_DAPM_POST_PMD:
usleep_range(7000, 7010);
break;
};
return ret;
}
static int wcd937x_enable_rx1(struct snd_soc_dapm_widget *w,
struct snd_kcontrol *kcontrol,
int event)
{
struct snd_soc_codec *codec = snd_soc_dapm_to_codec(w->dapm);
dev_dbg(codec->dev, "%s wname: %s event: %d\n", __func__,
w->name, event);
switch (event) {
case SND_SOC_DAPM_PRE_PMU:
snd_soc_update_bits(codec, WCD937X_FLYBACK_VNEG_CTRL_4,
0xF0, 0x80);
snd_soc_update_bits(codec, WCD937X_FLYBACK_VNEGDAC_CTRL_2,
0xE0, 0xA0);
snd_soc_update_bits(codec, WCD937X_CLASSH_MODE_3,
0x02, 0x02);
snd_soc_update_bits(codec, WCD937X_CLASSH_MODE_2,
0xFF, 0x1C);
snd_soc_update_bits(codec, WCD937X_ANA_RX_SUPPLIES,
0x40, 0x40);
usleep_range(100, 110);
snd_soc_update_bits(codec, WCD937X_FLYBACK_VNEGDAC_CTRL_2,
0xE0, 0xE0);
usleep_range(100, 110);
snd_soc_update_bits(codec, WCD937X_ANA_RX_SUPPLIES,
0x80, 0x80);
usleep_range(500, 510);
snd_soc_update_bits(codec, WCD937X_CLASSH_MODE_2, 0xFF, 0x3A);
usleep_range(500, 510);
wcd937x_rx_connect_port(codec, HPH_L, true);
wcd937x_rx_connect_port(codec, COMP_L, true);
break;
case SND_SOC_DAPM_POST_PMD:
wcd937x_rx_connect_port(codec, HPH_L, false);
wcd937x_rx_connect_port(codec, COMP_L, false);
wcd937x_rx_clk_disable(codec);
snd_soc_update_bits(codec, WCD937X_DIGITAL_CDC_DIG_CLK_CTL,
0x01, 0x00);
break;
};
return 0;
}
static int wcd937x_enable_rx2(struct snd_soc_dapm_widget *w,
struct snd_kcontrol *kcontrol, int event)
{
struct snd_soc_codec *codec = snd_soc_dapm_to_codec(w->dapm);
dev_dbg(codec->dev, "%s wname: %s event: %d\n", __func__,
w->name, event);
switch (event) {
case SND_SOC_DAPM_PRE_PMU:
snd_soc_update_bits(codec, WCD937X_FLYBACK_VNEG_CTRL_4,
0xF0, 0x80);
snd_soc_update_bits(codec, WCD937X_FLYBACK_VNEGDAC_CTRL_2,
0xE0, 0xA0);
snd_soc_update_bits(codec, WCD937X_CLASSH_MODE_3, 0x02, 0x02);
snd_soc_update_bits(codec, WCD937X_CLASSH_MODE_2, 0xFF, 0x1C);
snd_soc_update_bits(codec, WCD937X_ANA_RX_SUPPLIES,
0x40, 0x40);
usleep_range(100, 110);
snd_soc_update_bits(codec, WCD937X_FLYBACK_VNEGDAC_CTRL_2,
0xE0, 0xE0);
usleep_range(100, 110);
snd_soc_update_bits(codec, WCD937X_ANA_RX_SUPPLIES,
0x80, 0x80);
usleep_range(500, 510);
snd_soc_update_bits(codec, WCD937X_CLASSH_MODE_2, 0xFF, 0x3A);
usleep_range(500, 510);
wcd937x_rx_connect_port(codec, HPH_R, true);
wcd937x_rx_connect_port(codec, COMP_R, true);
break;
case SND_SOC_DAPM_POST_PMD:
wcd937x_rx_connect_port(codec, HPH_R, false);
wcd937x_rx_connect_port(codec, COMP_R, false);
wcd937x_rx_clk_disable(codec);
snd_soc_update_bits(codec, WCD937X_DIGITAL_CDC_DIG_CLK_CTL,
0x02, 0x00);
break;
};
return 0;
}
static int wcd937x_enable_rx3(struct snd_soc_dapm_widget *w,
struct snd_kcontrol *kcontrol,
int event)
{
struct snd_soc_codec *codec = snd_soc_dapm_to_codec(w->dapm);
dev_dbg(codec->dev, "%s wname: %s event: %d\n", __func__,
w->name, event);
switch (event) {
case SND_SOC_DAPM_PRE_PMU:
snd_soc_update_bits(codec, WCD937X_FLYBACK_VNEG_CTRL_2,
0xE0, 0xA0);
snd_soc_update_bits(codec, WCD937X_CLASSH_MODE_3, 0x02, 0x02);
snd_soc_update_bits(codec, WCD937X_CLASSH_MODE_2, 0xFF, 0x1C);
snd_soc_update_bits(codec, WCD937X_ANA_RX_SUPPLIES,
0x40, 0x40);
usleep_range(100, 110);
snd_soc_update_bits(codec, WCD937X_FLYBACK_VNEG_CTRL_2,
0xE0, 0xE0);
usleep_range(100, 110);
wcd937x_rx_connect_port(codec, LO, true);
break;
case SND_SOC_DAPM_POST_PMD:
wcd937x_rx_connect_port(codec, LO, false);
usleep_range(6000, 6010);
wcd937x_rx_clk_disable(codec);
snd_soc_update_bits(codec, WCD937X_DIGITAL_CDC_DIG_CLK_CTL,
0x04, 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_codec *codec = snd_soc_dapm_to_codec(w->dapm);
struct wcd937x_priv *wcd937x = snd_soc_codec_get_drvdata(codec);
u16 dmic_clk_reg;
s32 *dmic_clk_cnt;
unsigned int dmic;
char *wname;
int ret = 0;
wname = strpbrk(w->name, "012345");
if (!wname) {
dev_err(codec->dev, "%s: widget not found\n", __func__);
return -EINVAL;
}
ret = kstrtouint(wname, 10, &dmic);
if (ret < 0) {
dev_err(codec->dev, "%s: Invalid DMIC line on the codec\n",
__func__);
return -EINVAL;
}
dev_dbg(codec->dev, "%s wname: %s event: %d\n", __func__,
w->name, event);
switch (dmic) {
case 0:
case 1:
dmic_clk_cnt = &(wcd937x->dmic_0_1_clk_cnt);
dmic_clk_reg = WCD937X_DIGITAL_CDC_DMIC0_CTL;
break;
case 2:
case 3:
dmic_clk_cnt = &(wcd937x->dmic_2_3_clk_cnt);
dmic_clk_reg = WCD937X_DIGITAL_CDC_DMIC1_CTL;
break;
case 4:
case 5:
dmic_clk_cnt = &(wcd937x->dmic_4_5_clk_cnt);
dmic_clk_reg = WCD937X_DIGITAL_CDC_DMIC2_CTL;
break;
default:
dev_err(codec->dev, "%s: Invalid DMIC Selection\n",
__func__);
return -EINVAL;
};
dev_dbg(codec->dev, "%s: event %d DMIC%d dmic_clk_cnt %d\n",
__func__, event, dmic, *dmic_clk_cnt);
switch (event) {
case SND_SOC_DAPM_PRE_PMU:
snd_soc_update_bits(codec, WCD937X_DIGITAL_CDC_DIG_CLK_CTL,
0x80, 0x80);
snd_soc_update_bits(codec, dmic_clk_reg, 0x07, 0x02);
snd_soc_update_bits(codec, dmic_clk_reg, 0x08, 0x08);
snd_soc_update_bits(codec, dmic_clk_reg, 0x70, 0x20);
wcd937x_tx_connect_port(codec, DMIC0 + (w->shift), true);
break;
case SND_SOC_DAPM_POST_PMD:
wcd937x_tx_connect_port(codec, DMIC0 + (w->shift), false);
break;
};
return 0;
}
/*
* wcd937x_get_micb_vout_ctl_val: converts micbias from volts to register value
* @micb_mv: micbias in mv
*
* return register value converted
*/
int wcd937x_get_micb_vout_ctl_val(u32 micb_mv)
{
/* min micbias voltage is 1V and maximum is 2.85V */
if (micb_mv < 1000 || micb_mv > 2850) {
pr_err("%s: unsupported micbias voltage\n", __func__);
return -EINVAL;
}
return (micb_mv - 1000) / 50;
}
EXPORT_SYMBOL(wcd937x_get_micb_vout_ctl_val);
/*
* wcd937x_mbhc_micb_adjust_voltage: adjust specific micbias voltage
* @codec: handle to snd_soc_codec *
* @req_volt: micbias voltage to be set
* @micb_num: micbias to be set, e.g. micbias1 or micbias2
*
* return 0 if adjustment is success or error code in case of failure
*/
int wcd937x_mbhc_micb_adjust_voltage(struct snd_soc_codec *codec,
int req_volt, int micb_num)
{
struct wcd937x_priv *wcd937x = snd_soc_codec_get_drvdata(codec);
int cur_vout_ctl, req_vout_ctl;
int micb_reg, micb_val, micb_en;
int 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_val = snd_soc_read(codec, micb_reg);
micb_en = (micb_val & 0xC0) >> 6;
cur_vout_ctl = micb_val & 0x3F;
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;
}
dev_dbg(codec->dev, "%s: micb_num: %d, cur_mv: %d, req_mv: %d, micb_en: %d\n",
__func__, micb_num, WCD_VOUT_CTL_TO_MICB(cur_vout_ctl),
req_volt, micb_en);
if (micb_en == 0x1)
snd_soc_update_bits(codec, micb_reg, 0xC0, 0x80);
snd_soc_update_bits(codec, micb_reg, 0x3F, req_vout_ctl);
if (micb_en == 0x1) {
snd_soc_update_bits(codec, micb_reg, 0xC0, 0x40);
/*
* Add 2ms delay as per HW requirement after enabling
* micbias
*/
usleep_range(2000, 2100);
}
exit:
mutex_unlock(&wcd937x->micb_lock);
return ret;
}
EXPORT_SYMBOL(wcd937x_mbhc_micb_adjust_voltage);
static int wcd937x_tx_swr_ctrl(struct snd_soc_dapm_widget *w,
struct snd_kcontrol *kcontrol,
int event)
{
struct snd_soc_codec *codec = snd_soc_dapm_to_codec(w->dapm);
struct wcd937x_priv *wcd937x = snd_soc_codec_get_drvdata(codec);
int ret = 0;
switch (event) {
case SND_SOC_DAPM_PRE_PMU:
ret = swr_slvdev_datapath_control(wcd937x->tx_swr_dev,
wcd937x->tx_swr_dev->dev_num,
true);
break;
case SND_SOC_DAPM_POST_PMD:
ret = swr_slvdev_datapath_control(wcd937x->tx_swr_dev,
wcd937x->tx_swr_dev->dev_num,
false);
break;
};
return ret;
}
static int wcd937x_codec_enable_adc(struct snd_soc_dapm_widget *w,
struct snd_kcontrol *kcontrol,
int event){
struct snd_soc_codec *codec = snd_soc_dapm_to_codec(w->dapm);
dev_dbg(codec->dev, "%s wname: %s event: %d\n", __func__,
w->name, event);
switch (event) {
case SND_SOC_DAPM_PRE_PMU:
snd_soc_update_bits(codec, WCD937X_DIGITAL_CDC_DIG_CLK_CTL,
0x80, 0x80);
snd_soc_update_bits(codec, WCD937X_DIGITAL_CDC_ANA_CLK_CTL,
0x08, 0x08);
snd_soc_update_bits(codec, WCD937X_DIGITAL_CDC_ANA_CLK_CTL,
0x10, 0x10);
wcd937x_tx_connect_port(codec, ADC1 + (w->shift), true);
break;
case SND_SOC_DAPM_POST_PMD:
wcd937x_tx_connect_port(codec, ADC1 + (w->shift), false);
snd_soc_update_bits(codec, WCD937X_DIGITAL_CDC_ANA_CLK_CTL,
0x08, 0x00);
break;
};
return 0;
}
static int wcd937x_enable_req(struct snd_soc_dapm_widget *w,
struct snd_kcontrol *kcontrol, int event)
{
struct snd_soc_codec *codec = snd_soc_dapm_to_codec(w->dapm);
dev_dbg(codec->dev, "%s wname: %s event: %d\n", __func__,
w->name, event);
switch (event) {
case SND_SOC_DAPM_PRE_PMU:
snd_soc_update_bits(codec, WCD937X_DIGITAL_CDC_REQ_CTL,
0x02, 0x02);
snd_soc_update_bits(codec, WCD937X_DIGITAL_CDC_REQ_CTL, 0x01,
0x00);
snd_soc_update_bits(codec, WCD937X_ANA_TX_CH2, 0x40, 0x40);
snd_soc_update_bits(codec, WCD937X_DIGITAL_CDC_DIG_CLK_CTL,
0x30, 0x30);
snd_soc_update_bits(codec, WCD937X_ANA_TX_CH1, 0x80, 0x80);
snd_soc_update_bits(codec, WCD937X_ANA_TX_CH2, 0x40, 0x00);
snd_soc_update_bits(codec, WCD937X_ANA_TX_CH2, 0x80, 0x80);
break;
case SND_SOC_DAPM_POST_PMD:
snd_soc_update_bits(codec, WCD937X_ANA_TX_CH1, 0x80, 0x00);
snd_soc_update_bits(codec, WCD937X_DIGITAL_CDC_DIG_CLK_CTL,
0x10, 0x00);
snd_soc_update_bits(codec, WCD937X_DIGITAL_CDC_ANA_CLK_CTL,
0x10, 0x00);
snd_soc_update_bits(codec, WCD937X_DIGITAL_CDC_DIG_CLK_CTL,
0x80, 0x00);
break;
};
return 0;
}
int wcd937x_micbias_control(struct snd_soc_codec *codec,
int micb_num, int req, bool is_dapm)
{
struct wcd937x_priv *wcd937x = snd_soc_codec_get_drvdata(codec);
int micb_index = micb_num - 1;
u16 micb_reg;
int pre_off_event = 0, post_off_event = 0;
int post_on_event = 0, post_dapm_off = 0;
int post_dapm_on = 0;
if ((micb_index < 0) || (micb_index > WCD937X_MAX_MICBIAS - 1)) {
dev_err(codec->dev, "%s: Invalid micbias index, micb_ind:%d\n",
__func__, 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;
pre_off_event = WCD_EVENT_PRE_MICBIAS_2_OFF;
post_off_event = WCD_EVENT_POST_MICBIAS_2_OFF;
post_on_event = WCD_EVENT_POST_MICBIAS_2_ON;
post_dapm_on = WCD_EVENT_POST_DAPM_MICBIAS_2_ON;
post_dapm_off = WCD_EVENT_POST_DAPM_MICBIAS_2_OFF;
break;
case MIC_BIAS_3:
micb_reg = WCD937X_ANA_MICB3;
break;
default:
dev_err(codec->dev, "%s: Invalid micbias number: %d\n",
__func__, 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_update_bits(codec, micb_reg, 0xC0, 0x80);
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_update_bits(codec, micb_reg, 0xC0, 0x00);
break;
case MICB_ENABLE:
wcd937x->micb_ref[micb_index]++;
if (wcd937x->micb_ref[micb_index] == 1) {
snd_soc_update_bits(codec, WCD937X_DIGITAL_CDC_DIG_CLK_CTL, 0xE0, 0xE0);
snd_soc_update_bits(codec, WCD937X_DIGITAL_CDC_ANA_CLK_CTL, 0x10, 0x10);
snd_soc_update_bits(codec, WCD937X_MICB1_TEST_CTL_2, 0x01, 0x01);
snd_soc_update_bits(codec, WCD937X_MICB2_TEST_CTL_2, 0x01, 0x01);
snd_soc_update_bits(codec, WCD937X_MICB3_TEST_CTL_2, 0x01, 0x01);
snd_soc_update_bits(codec, micb_reg, 0xC0, 0x40);
if (post_on_event)
blocking_notifier_call_chain(&wcd937x->notifier,
post_on_event,
&wcd937x->mbhc);
}
if (is_dapm && post_dapm_on)
blocking_notifier_call_chain(&wcd937x->notifier,
post_dapm_on,
&wcd937x->mbhc);
break;
case MICB_DISABLE:
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_update_bits(codec, micb_reg, 0xC0, 0x80);
else if ((wcd937x->micb_ref[micb_index] == 0) &&
(wcd937x->pullup_ref[micb_index] == 0)) {
if (pre_off_event)
blocking_notifier_call_chain(&wcd937x->notifier,
pre_off_event,
&wcd937x->mbhc);
snd_soc_update_bits(codec, micb_reg, 0xC0, 0x00);
if (post_off_event)
blocking_notifier_call_chain(&wcd937x->notifier,
post_off_event,
&wcd937x->mbhc);
}
if (is_dapm && post_dapm_off)
blocking_notifier_call_chain(&wcd937x->notifier,
post_dapm_off,
&wcd937x->mbhc);
break;
};
dev_dbg(codec->dev, "%s: micb_num:%d, micb_ref: %d, pullup_ref: %d\n",
__func__, micb_num, wcd937x->micb_ref[micb_index],
wcd937x->pullup_ref[micb_index]);
mutex_unlock(&wcd937x->micb_lock);
return 0;
}
EXPORT_SYMBOL(wcd937x_micbias_control);
static int __wcd937x_codec_enable_micbias(struct snd_soc_dapm_widget *w,
int event)
{
struct snd_soc_codec *codec = snd_soc_dapm_to_codec(w->dapm);
int micb_num;
dev_dbg(codec->dev, "%s: wname: %s, event: %d\n",
__func__, w->name, event);
if (strnstr(w->name, "MIC BIAS1", sizeof("MIC BIAS1")))
micb_num = MIC_BIAS_1;
else if (strnstr(w->name, "MIC BIAS2", sizeof("MIC BIAS2")))
micb_num = MIC_BIAS_2;
else if (strnstr(w->name, "MIC BIAS3", sizeof("MIC BIAS3")))
micb_num = MIC_BIAS_3;
else
return -EINVAL;
switch (event) {
case SND_SOC_DAPM_PRE_PMU:
wcd937x_micbias_control(codec, 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(codec, 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_rx_hph_mode_get(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
struct snd_soc_codec *codec = snd_soc_kcontrol_codec(kcontrol);
struct wcd937x_priv *wcd937x = snd_soc_codec_get_drvdata(codec);
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_codec *codec = snd_soc_kcontrol_codec(kcontrol);
struct wcd937x_priv *wcd937x = snd_soc_codec_get_drvdata(codec);
u32 mode_val;
mode_val = ucontrol->value.enumerated.item[0];
dev_dbg(codec->dev, "%s: mode: %d\n", __func__, mode_val);
if (mode_val == 0) {
dev_warn(codec->dev, "%s:Invalid HPH Mode, default to class_AB\n",
__func__);
mode_val = 3; /* enum will be updated later */
}
wcd937x->hph_mode = mode_val;
return 0;
}
static const char * const rx_hph_mode_mux_text[] = {
"CLS_H_INVALID", "CLS_H_HIFI", "CLS_H_LP", "CLS_AB", "CLS_H_LOHIFI",
"CLS_H_ULP", "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);
static const struct snd_kcontrol_new wcd937x_snd_controls[] = {
SOC_ENUM_EXT("RX HPH Mode", rx_hph_mode_mux_enum,
wcd937x_rx_hph_mode_get, wcd937x_rx_hph_mode_put),
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),
};
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, 0, 0,
adc2_switch, ARRAY_SIZE(adc2_switch),
wcd937x_tx_swr_ctrl, SND_SOC_DAPM_PRE_PMU |
SND_SOC_DAPM_POST_PMD),
/* micbias widgets*/
SND_SOC_DAPM_MICBIAS_E("MIC BIAS1", SND_SOC_NOPM, 0, 0,
wcd937x_codec_enable_micbias,
SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMU |
SND_SOC_DAPM_POST_PMD),
SND_SOC_DAPM_MICBIAS_E("MIC BIAS2", SND_SOC_NOPM, 0, 0,
wcd937x_codec_enable_micbias,
SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMU |
SND_SOC_DAPM_POST_PMD),
SND_SOC_DAPM_MICBIAS_E("MIC BIAS3", SND_SOC_NOPM, 0, 0,
wcd937x_codec_enable_micbias,
SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMU |
SND_SOC_DAPM_POST_PMD),
/*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_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_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_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_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)),
/*output widgets tx*/
SND_SOC_DAPM_OUTPUT("ADC1_OUTPUT"),
SND_SOC_DAPM_OUTPUT("ADC2_OUTPUT"),
/*output widgets rx*/
SND_SOC_DAPM_OUTPUT("EAR"),
SND_SOC_DAPM_OUTPUT("AUX"),
SND_SOC_DAPM_OUTPUT("HPHL"),
SND_SOC_DAPM_OUTPUT("HPHR"),
};
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, 0,
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, 0,
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, 0,
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, 0,
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, 0,
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, 0, 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"),
SND_SOC_DAPM_OUTPUT("ADC3_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"},
{"RX1", NULL, "IN1_HPHL"},
{"RDAC1", NULL, "RX1"},
{"HPHL_RDAC", "Switch", "RDAC1"},
{"HPHL PGA", NULL, "HPHL_RDAC"},
{"HPHL", NULL, "HPHL PGA"},
{"RX2", NULL, "IN2_HPHR"},
{"RDAC2", NULL, "RX2"},
{"HPHR_RDAC", "Switch", "RDAC2"},
{"HPHR PGA", NULL, "HPHR_RDAC"},
{"HPHR", NULL, "HPHR PGA"},
{"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_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_soc_codec_probe(struct snd_soc_codec *codec)
{
struct wcd937x_priv *wcd937x = snd_soc_codec_get_drvdata(codec);
struct snd_soc_dapm_context *dapm = snd_soc_codec_get_dapm(codec);
int variant;
int ret = -EINVAL;
dev_info(codec->dev, "%s()\n", __func__);
wcd937x = snd_soc_codec_get_drvdata(codec);
if (!wcd937x)
return -EINVAL;
wcd937x->codec = codec;
variant = (snd_soc_read(codec, WCD937X_DIGITAL_EFUSE_REG_0) & 0x0E) >> 1;
wcd937x->variant = variant;
wcd937x->fw_data = devm_kzalloc(codec->dev,
sizeof(*(wcd937x->fw_data)),
GFP_KERNEL);
if (!wcd937x->fw_data) {
dev_err(codec->dev, "Failed to allocate fw_data\n");
ret = -ENOMEM;
goto err;
}
set_bit(WCD9XXX_MBHC_CAL, wcd937x->fw_data->cal_bit);
ret = wcd_cal_create_hwdep(wcd937x->fw_data,
WCD9XXX_CODEC_HWDEP_NODE, codec);
if (ret < 0) {
dev_err(codec->dev, "%s hwdep failed %d\n", __func__, ret);
goto err_hwdep;
}
ret = wcd937x_mbhc_init(&wcd937x->mbhc, codec, wcd937x->fw_data);
if (ret) {
pr_err("%s: mbhc initialization failed\n", __func__);
goto err_hwdep;
}
wcd937x_init_reg(codec);
if (wcd937x->variant == WCD9375_VARIANT) {
ret = snd_soc_dapm_new_controls(dapm, wcd9375_dapm_widgets,
ARRAY_SIZE(wcd9375_dapm_widgets));
if (ret < 0) {
dev_err(codec->dev, "%s: Failed to add snd_ctls\n",
__func__);
goto err_hwdep;
}
ret = snd_soc_dapm_add_routes(dapm, wcd9375_audio_map,
ARRAY_SIZE(wcd9375_audio_map));
if (ret < 0) {
dev_err(codec->dev, "%s: Failed to add routes\n",
__func__);
goto err_hwdep;
}
ret = snd_soc_dapm_new_widgets(dapm->card);
if (ret < 0) {
dev_err(codec->dev, "%s: Failed to add widgets\n",
__func__);
goto err_hwdep;
}
}
return ret;
err_hwdep:
wcd937x->fw_data = NULL;
err:
return ret;
}
static int wcd937x_soc_codec_remove(struct snd_soc_codec *codec)
{
struct wcd937x_priv *wcd937x = snd_soc_codec_get_drvdata(codec);
if (!wcd937x)
return -EINVAL;
return 0;
}
static struct regmap *wcd937x_get_regmap(struct device *dev)
{
struct wcd937x_priv *wcd937x = dev_get_drvdata(dev);
return wcd937x->regmap;
}
static struct snd_soc_codec_driver soc_codec_dev_wcd937x = {
.probe = wcd937x_soc_codec_probe,
.remove = wcd937x_soc_codec_remove,
.get_regmap = wcd937x_get_regmap,
.component_driver = {
.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),
},
};
int wcd937x_reset(struct device *dev)
{
struct wcd937x_priv *wcd937x = NULL;
int rc = 0;
int value = 0;
if (!dev)
return -ENODEV;
wcd937x = dev_get_drvdata(dev);
if (!wcd937x)
return -EINVAL;
if (!wcd937x->rst_np) {
dev_err(dev, "%s: reset gpio device node not specified\n",
__func__);
return -EINVAL;
}
value = msm_cdc_pinctrl_get_state(wcd937x->rst_np);
if (value > 0)
return 0;
rc = msm_cdc_pinctrl_select_sleep_state(wcd937x->rst_np);
if (rc) {
dev_err(dev, "%s: wcd sleep state request fail!\n",
__func__);
return rc;
}
/* 20ms sleep required after pulling the reset gpio to LOW */
usleep_range(20, 30);
rc = msm_cdc_pinctrl_select_active_state(wcd937x->rst_np);
if (rc) {
dev_err(dev, "%s: wcd active state request fail!\n",
__func__);
return rc;
}
/* 20ms sleep required after pulling the reset gpio to HIGH */
usleep_range(20, 30);
return rc;
}
struct wcd937x_pdata *wcd937x_populate_dt_data(struct device *dev)
{
struct wcd937x_pdata *pdata = NULL;
pdata = devm_kzalloc(dev, sizeof(struct wcd937x_pdata),
GFP_KERNEL);
if (!pdata)
return NULL;
pdata->rst_np = of_parse_phandle(dev->of_node,
"qcom,wcd-rst-gpio-node", 0);
if (!pdata->rst_np) {
dev_err(dev, "%s: Looking up %s property in node %s failed\n",
__func__, "qcom,wcd-rst-gpio-node",
dev->of_node->full_name);
return NULL;
}
/* Parse power supplies */
msm_cdc_get_power_supplies(dev, &pdata->regulator,
&pdata->num_supplies);
if (!pdata->regulator || (pdata->num_supplies <= 0)) {
dev_err(dev, "%s: no power supplies defined for codec\n",
__func__);
return NULL;
}
pdata->rx_slave = of_parse_phandle(dev->of_node, "qcom,rx-slave", 0);
pdata->tx_slave = of_parse_phandle(dev->of_node, "qcom,tx-slave", 0);
return pdata;
}
static int wcd937x_bind(struct device *dev)
{
int ret = 0, i = 0;
struct wcd937x_priv *wcd937x = NULL;
struct wcd937x_pdata *pdata = NULL;
wcd937x = devm_kzalloc(dev, sizeof(struct wcd937x_priv), GFP_KERNEL);
if (!wcd937x)
return -ENOMEM;
dev_set_drvdata(dev, wcd937x);
pdata = wcd937x_populate_dt_data(dev);
if (!pdata) {
dev_err(dev, "%s: Fail to obtain platform data\n", __func__);
return -EINVAL;
}
wcd937x->rst_np = pdata->rst_np;
ret = msm_cdc_init_supplies(dev, &wcd937x->supplies,
pdata->regulator, pdata->num_supplies);
if (!wcd937x->supplies) {
dev_err(dev, "%s: Cannot init wcd supplies\n",
__func__);
return ret;
}
ret = msm_cdc_enable_static_supplies(dev, wcd937x->supplies,
pdata->regulator,
pdata->num_supplies);
if (ret) {
dev_err(dev, "%s: wcd static supply enable failed!\n",
__func__);
return ret;
}
wcd937x_reset(dev);
/*
* Add 5msec delay to provide sufficient time for
* soundwire auto enumeration of slave devices as
* as per HW requirement.
*/
usleep_range(5000, 5010);
ret = component_bind_all(dev, wcd937x);
if (ret) {
dev_err(dev, "%s: Slave bind failed, ret = %d\n",
__func__, ret);
return ret;
}
ret = wcd937x_parse_port_mapping(dev, "qcom,rx_swr_ch_map", CODEC_RX);
ret |= wcd937x_parse_port_mapping(dev, "qcom,tx_swr_ch_map", CODEC_TX);
if (ret) {
dev_err(dev, "Failed to read port mapping\n");
goto err;
}
wcd937x->rx_swr_dev = get_matching_swr_slave_device(pdata->rx_slave);
if (!wcd937x->rx_swr_dev) {
dev_err(dev, "%s: Could not find RX swr slave device\n",
__func__);
ret = -ENODEV;
goto err;
}
wcd937x->tx_swr_dev = get_matching_swr_slave_device(pdata->tx_slave);
if (!wcd937x->tx_swr_dev) {
dev_err(dev, "%s: Could not find TX swr slave device\n",
__func__);
ret = -ENODEV;
goto err;
}
wcd937x->regmap = devm_regmap_init_swr(wcd937x->tx_swr_dev,
&wcd937x_regmap_config);
if (!wcd937x->regmap) {
dev_err(dev, "%s: Regmap init failed\n",
__func__);
goto err;
}
/* Set all interupts 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);
wcd937x_regmap_irq_chip.irq_drv_data = wcd937x;
wcd937x->irq_info.wcd_regmap_irq_chip = &wcd937x_regmap_irq_chip;
wcd937x->irq_info.codec_name = "WCD937X";
wcd937x->irq_info.regmap = wcd937x->regmap;
wcd937x->irq_info.dev = dev;
ret = wcd_irq_init(&wcd937x->irq_info, &wcd937x->virq);
if (ret) {
dev_err(wcd937x->dev, "%s: IRQ init failed: %d\n",
__func__, ret);
goto err;
}
wcd937x->tx_swr_dev->slave_irq = wcd937x->virq;
ret = snd_soc_register_codec(dev, &soc_codec_dev_wcd937x,
NULL, 0);
if (ret) {
dev_err(dev, "%s: Codec registration failed\n",
__func__);
goto err_irq;
}
return ret;
err_irq:
wcd_irq_exit(&wcd937x->irq_info, wcd937x->virq);
err:
component_unbind_all(dev, wcd937x);
return ret;
}
static void wcd937x_unbind(struct device *dev)
{
struct wcd937x_priv *wcd937x = dev_get_drvdata(dev);
wcd_irq_exit(&wcd937x->irq_info, wcd937x->virq);
snd_soc_unregister_codec(dev);
component_unbind_all(dev, wcd937x);
}
static const struct of_device_id wcd937x_dt_match[] = {
{ .compatible = "qcom,wcd937x-codec" },
{}
};
static const struct component_master_ops wcd937x_comp_ops = {
.bind = wcd937x_bind,
.unbind = wcd937x_unbind,
};
static int wcd937x_compare_of(struct device *dev, void *data)
{
return dev->of_node == data;
}
static void wcd937x_release_of(struct device *dev, void *data)
{
of_node_put(data);
}
static int wcd937x_add_slave_components(struct device *dev,
struct component_match **matchptr)
{
struct device_node *np, *rx_node, *tx_node;
np = dev->of_node;
rx_node = of_parse_phandle(np, "qcom,rx-slave", 0);
if (!rx_node) {
dev_err(dev, "%s: Rx-slave node not defined\n", __func__);
return -ENODEV;
}
of_node_get(rx_node);
component_match_add_release(dev, matchptr,
wcd937x_release_of,
wcd937x_compare_of,
rx_node);
tx_node = of_parse_phandle(np, "qcom,tx-slave", 0);
if (!tx_node) {
dev_err(dev, "%s: Tx-slave node not defined\n", __func__);
return -ENODEV;
}
of_node_get(tx_node);
component_match_add_release(dev, matchptr,
wcd937x_release_of,
wcd937x_compare_of,
tx_node);
return 0;
}
static int wcd937x_probe(struct platform_device *pdev)
{
struct component_match *match = NULL;
int ret;
ret = wcd937x_add_slave_components(&pdev->dev, &match);
if (ret)
return ret;
return component_master_add_with_match(&pdev->dev,
&wcd937x_comp_ops, match);
}
static int wcd937x_remove(struct platform_device *pdev)
{
component_master_del(&pdev->dev, &wcd937x_comp_ops);
return 0;
}
static struct platform_driver wcd937x_codec_driver = {
.probe = wcd937x_probe,
.remove = wcd937x_remove,
.driver = {
.name = "wcd937x_codec",
.owner = THIS_MODULE,
.of_match_table = of_match_ptr(wcd937x_dt_match),
},
};
module_platform_driver(wcd937x_codec_driver);
MODULE_DESCRIPTION("WCD937X Codec driver");
MODULE_LICENSE("GPL v2");