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review.evervolv.com / android_kernel_htc_msm8960 / 49c37d6a469dcc3d2aab5b2bc3897a65dd43d9c9 / . / sound / soc / codecs / wcd9310.c
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/* Copyright (c) 2011, Code Aurora Forum. 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/init.h>
#include <linux/firmware.h>
#include <linux/slab.h>
#include <linux/platform_device.h>
#include <linux/printk.h>
#include <linux/ratelimit.h>
#include <linux/mfd/wcd9310/core.h>
#include <linux/mfd/wcd9310/registers.h>
#include <sound/jack.h>
#include <sound/soc.h>
#include <sound/soc-dapm.h>
#include <sound/tlv.h>
#include <linux/bitops.h>
#include <linux/delay.h>
#include "wcd9310.h"
static const DECLARE_TLV_DB_SCALE(digital_gain, 0, 1, 0);
static const DECLARE_TLV_DB_SCALE(line_gain, 0, 7, 1);
static const DECLARE_TLV_DB_SCALE(analog_gain, 0, 25, 1);
enum tabla_bandgap_type {
TABLA_BANDGAP_OFF = 0,
TABLA_BANDGAP_AUDIO_MODE,
TABLA_BANDGAP_MBHC_MODE,
};
struct tabla_priv {
struct snd_soc_codec *codec;
u32 ref_cnt;
u32 adc_count;
u32 dec_count;
u32 rx_count;
enum tabla_bandgap_type bandgap_type;
bool clock_active;
bool config_mode_active;
bool mbhc_polling_active;
int buttons_pressed;
struct tabla_mbhc_calibration *calibration;
struct snd_soc_jack *headset_jack;
struct snd_soc_jack *button_jack;
u32 anc_writes_size;
u32 *anc_writes;
};
static int tabla_codec_enable_charge_pump(struct snd_soc_dapm_widget *w,
struct snd_kcontrol *kcontrol, int event)
{
struct snd_soc_codec *codec = w->codec;
pr_debug("%s %d\n", __func__, event);
switch (event) {
case SND_SOC_DAPM_POST_PMU:
snd_soc_update_bits(codec, TABLA_A_CDC_CLK_OTHR_CTL, 0x01,
0x01);
snd_soc_update_bits(codec, TABLA_A_CDC_CLSG_CTL, 0x08, 0x08);
usleep_range(200, 200);
snd_soc_update_bits(codec, TABLA_A_CP_STATIC, 0x10, 0x00);
break;
case SND_SOC_DAPM_PRE_PMD:
snd_soc_update_bits(codec, TABLA_A_CDC_CLK_OTHR_RESET_CTL, 0x10,
0x10);
usleep_range(20, 20);
snd_soc_update_bits(codec, TABLA_A_CP_STATIC, 0x08, 0x08);
snd_soc_update_bits(codec, TABLA_A_CP_STATIC, 0x10, 0x10);
snd_soc_update_bits(codec, TABLA_A_CDC_CLSG_CTL, 0x08, 0x00);
snd_soc_update_bits(codec, TABLA_A_CDC_CLK_OTHR_CTL, 0x01,
0x00);
snd_soc_update_bits(codec, TABLA_A_CP_STATIC, 0x08, 0x00);
break;
}
return 0;
}
static const struct snd_kcontrol_new tabla_snd_controls[] = {
SOC_SINGLE_TLV("LINEOUT1 Volume", TABLA_A_RX_LINE_1_GAIN, 0, 12, 1,
line_gain),
SOC_SINGLE_TLV("LINEOUT2 Volume", TABLA_A_RX_LINE_2_GAIN, 0, 12, 1,
line_gain),
SOC_SINGLE_TLV("LINEOUT3 Volume", TABLA_A_RX_LINE_3_GAIN, 0, 12, 1,
line_gain),
SOC_SINGLE_TLV("LINEOUT4 Volume", TABLA_A_RX_LINE_4_GAIN, 0, 12, 1,
line_gain),
SOC_SINGLE("RX1 CHAIN INVERT Switch", TABLA_A_CDC_RX1_B6_CTL, 4, 1, 0),
SOC_SINGLE("RX2 CHAIN INVERT Switch", TABLA_A_CDC_RX2_B6_CTL, 4, 1, 0),
SOC_SINGLE("RX3 CHAIN INVERT Switch", TABLA_A_CDC_RX3_B6_CTL, 4, 1, 0),
SOC_SINGLE("RX4 CHAIN INVERT Switch", TABLA_A_CDC_RX4_B6_CTL, 4, 1, 0),
SOC_SINGLE("RX5 CHAIN INVERT Switch", TABLA_A_CDC_RX5_B6_CTL, 4, 1, 0),
SOC_SINGLE("RX6 CHAIN INVERT Switch", TABLA_A_CDC_RX6_B6_CTL, 4, 1, 0),
SOC_SINGLE_TLV("HPHL Volume", TABLA_A_RX_HPH_L_GAIN, 0, 12, 1,
line_gain),
SOC_SINGLE_TLV("HPHR Volume", TABLA_A_RX_HPH_R_GAIN, 0, 12, 1,
line_gain),
SOC_SINGLE_TLV("RX1 Digital Volume", TABLA_A_CDC_RX1_VOL_CTL_B2_CTL, 0,
100, 0, digital_gain),
SOC_SINGLE_TLV("RX2 Digital Volume", TABLA_A_CDC_RX2_VOL_CTL_B2_CTL, 0,
100, 0, digital_gain),
SOC_SINGLE_TLV("DEC5 Volume", TABLA_A_CDC_TX5_VOL_CTL_GAIN, 0, 100, 0,
digital_gain),
SOC_SINGLE_TLV("DEC6 Volume", TABLA_A_CDC_TX6_VOL_CTL_GAIN, 0, 100, 0,
digital_gain),
SOC_SINGLE_TLV("ADC1 Volume", TABLA_A_TX_1_2_EN, 5, 3, 0, analog_gain),
SOC_SINGLE_TLV("ADC2 Volume", TABLA_A_TX_1_2_EN, 1, 3, 0, analog_gain),
SOC_SINGLE_TLV("ADC3 Volume", TABLA_A_TX_3_4_EN, 5, 3, 0, analog_gain),
SOC_SINGLE_TLV("ADC4 Volume", TABLA_A_TX_3_4_EN, 1, 3, 0, analog_gain),
SOC_SINGLE_TLV("ADC5 Volume", TABLA_A_TX_5_6_EN, 5, 3, 0, analog_gain),
SOC_SINGLE_TLV("ADC6 Volume", TABLA_A_TX_5_6_EN, 1, 3, 0, analog_gain),
SOC_SINGLE("MICBIAS1 CAPLESS Switch", TABLA_A_MICB_1_CTL, 4, 1, 1),
SOC_SINGLE("MICBIAS3 CAPLESS Switch", TABLA_A_MICB_3_CTL, 4, 1, 1),
SOC_SINGLE("MICBIAS4 CAPLESS Switch", TABLA_A_MICB_4_CTL, 4, 1, 1),
};
static const char *rx_mix1_text[] = {
"ZERO", "SRC1", "SRC2", "IIR1", "IIR2", "RX1", "RX2", "RX3", "RX4",
"RX5", "RX6", "RX7"
};
static const char *sb_tx1_mux_text[] = {
"ZERO", "RMIX1", "RMIX2", "RMIX3", "RMIX4", "RMIX5", "RMIX6", "RMIX7",
"DEC1"
};
static const char *sb_tx5_mux_text[] = {
"ZERO", "RMIX1", "RMIX2", "RMIX3", "RMIX4", "RMIX5", "RMIX6", "RMIX7",
"DEC5"
};
static const char *sb_tx6_mux_text[] = {
"ZERO", "RMIX1", "RMIX2", "RMIX3", "RMIX4", "RMIX5", "RMIX6", "RMIX7",
"DEC6"
};
static const char const *sb_tx7_to_tx10_mux_text[] = {
"ZERO", "RMIX1", "RMIX2", "RMIX3", "RMIX4", "RMIX5", "RMIX6", "RMIX7",
"DEC1", "DEC2", "DEC3", "DEC4", "DEC5", "DEC6", "DEC7", "DEC8",
"DEC9", "DEC10"
};
static const char *dec1_mux_text[] = {
"ZERO", "DMIC1", "ADC6",
};
static const char *dec2_mux_text[] = {
"ZERO", "DMIC2", "ADC5",
};
static const char *dec3_mux_text[] = {
"ZERO", "DMIC3", "ADC4",
};
static const char *dec4_mux_text[] = {
"ZERO", "DMIC4", "ADC3",
};
static const char *dec5_mux_text[] = {
"ZERO", "DMIC5", "ADC2",
};
static const char *dec6_mux_text[] = {
"ZERO", "DMIC6", "ADC1",
};
static const char const *dec7_mux_text[] = {
"ZERO", "DMIC1", "DMIC6", "ADC1", "ADC6", "ANC1_FB", "ANC2_FB",
};
static const char *dec8_mux_text[] = {
"ZERO", "DMIC2", "DMIC5", "ADC2", "ADC5",
};
static const char *dec9_mux_text[] = {
"ZERO", "DMIC4", "DMIC5", "ADC2", "ADC3", "ADCMB", "ANC1_FB", "ANC2_FB",
};
static const char *dec10_mux_text[] = {
"ZERO", "DMIC3", "DMIC6", "ADC1", "ADC4", "ADCMB", "ANC1_FB", "ANC2_FB",
};
static const char const *anc_mux_text[] = {
"ZERO", "ADC1", "ADC2", "ADC3", "ADC4", "ADC5", "ADC6", "ADC_MB",
"RSVD_1", "DMIC1", "DMIC2", "DMIC3", "DMIC4", "DMIC5", "DMIC6"
};
static const char const *anc1_fb_mux_text[] = {
"ZERO", "EAR_HPH_L", "EAR_LINE_1",
};
static const char *iir1_inp1_text[] = {
"ZERO", "DEC1", "DEC2", "DEC3", "DEC4", "DEC5", "DEC6", "DEC7", "DEC8",
"DEC9", "DEC10", "RX1", "RX2", "RX3", "RX4", "RX5", "RX6", "RX7"
};
static const struct soc_enum rx_mix1_inp1_chain_enum =
SOC_ENUM_SINGLE(TABLA_A_CDC_CONN_RX1_B1_CTL, 0, 12, rx_mix1_text);
static const struct soc_enum rx_mix1_inp2_chain_enum =
SOC_ENUM_SINGLE(TABLA_A_CDC_CONN_RX1_B1_CTL, 4, 12, rx_mix1_text);
static const struct soc_enum rx2_mix1_inp1_chain_enum =
SOC_ENUM_SINGLE(TABLA_A_CDC_CONN_RX2_B1_CTL, 0, 12, rx_mix1_text);
static const struct soc_enum rx2_mix1_inp2_chain_enum =
SOC_ENUM_SINGLE(TABLA_A_CDC_CONN_RX2_B1_CTL, 4, 12, rx_mix1_text);
static const struct soc_enum rx3_mix1_inp1_chain_enum =
SOC_ENUM_SINGLE(TABLA_A_CDC_CONN_RX3_B1_CTL, 0, 12, rx_mix1_text);
static const struct soc_enum rx3_mix1_inp2_chain_enum =
SOC_ENUM_SINGLE(TABLA_A_CDC_CONN_RX3_B1_CTL, 4, 12, rx_mix1_text);
static const struct soc_enum rx4_mix1_inp1_chain_enum =
SOC_ENUM_SINGLE(TABLA_A_CDC_CONN_RX4_B1_CTL, 0, 12, rx_mix1_text);
static const struct soc_enum rx4_mix1_inp2_chain_enum =
SOC_ENUM_SINGLE(TABLA_A_CDC_CONN_RX4_B1_CTL, 4, 12, rx_mix1_text);
static const struct soc_enum rx5_mix1_inp1_chain_enum =
SOC_ENUM_SINGLE(TABLA_A_CDC_CONN_RX5_B1_CTL, 0, 12, rx_mix1_text);
static const struct soc_enum rx5_mix1_inp2_chain_enum =
SOC_ENUM_SINGLE(TABLA_A_CDC_CONN_RX5_B1_CTL, 4, 12, rx_mix1_text);
static const struct soc_enum rx6_mix1_inp1_chain_enum =
SOC_ENUM_SINGLE(TABLA_A_CDC_CONN_RX6_B1_CTL, 0, 12, rx_mix1_text);
static const struct soc_enum rx6_mix1_inp2_chain_enum =
SOC_ENUM_SINGLE(TABLA_A_CDC_CONN_RX6_B1_CTL, 4, 12, rx_mix1_text);
static const struct soc_enum sb_tx5_mux_enum =
SOC_ENUM_SINGLE(TABLA_A_CDC_CONN_TX_SB_B5_CTL, 0, 9, sb_tx5_mux_text);
static const struct soc_enum sb_tx6_mux_enum =
SOC_ENUM_SINGLE(TABLA_A_CDC_CONN_TX_SB_B6_CTL, 0, 9, sb_tx6_mux_text);
static const struct soc_enum sb_tx7_mux_enum =
SOC_ENUM_SINGLE(TABLA_A_CDC_CONN_TX_SB_B7_CTL, 0, 18,
sb_tx7_to_tx10_mux_text);
static const struct soc_enum sb_tx8_mux_enum =
SOC_ENUM_SINGLE(TABLA_A_CDC_CONN_TX_SB_B8_CTL, 0, 18,
sb_tx7_to_tx10_mux_text);
static const struct soc_enum sb_tx1_mux_enum =
SOC_ENUM_SINGLE(TABLA_A_CDC_CONN_TX_SB_B1_CTL, 0, 9, sb_tx1_mux_text);
static const struct soc_enum dec1_mux_enum =
SOC_ENUM_SINGLE(TABLA_A_CDC_CONN_TX_B1_CTL, 0, 3, dec1_mux_text);
static const struct soc_enum dec2_mux_enum =
SOC_ENUM_SINGLE(TABLA_A_CDC_CONN_TX_B1_CTL, 2, 3, dec2_mux_text);
static const struct soc_enum dec3_mux_enum =
SOC_ENUM_SINGLE(TABLA_A_CDC_CONN_TX_B1_CTL, 4, 3, dec3_mux_text);
static const struct soc_enum dec4_mux_enum =
SOC_ENUM_SINGLE(TABLA_A_CDC_CONN_TX_B1_CTL, 6, 3, dec4_mux_text);
static const struct soc_enum dec5_mux_enum =
SOC_ENUM_SINGLE(TABLA_A_CDC_CONN_TX_B2_CTL, 0, 3, dec5_mux_text);
static const struct soc_enum dec6_mux_enum =
SOC_ENUM_SINGLE(TABLA_A_CDC_CONN_TX_B2_CTL, 2, 3, dec6_mux_text);
static const struct soc_enum dec7_mux_enum =
SOC_ENUM_SINGLE(TABLA_A_CDC_CONN_TX_B2_CTL, 4, 7, dec7_mux_text);
static const struct soc_enum dec8_mux_enum =
SOC_ENUM_SINGLE(TABLA_A_CDC_CONN_TX_B3_CTL, 0, 7, dec8_mux_text);
static const struct soc_enum dec9_mux_enum =
SOC_ENUM_SINGLE(TABLA_A_CDC_CONN_TX_B3_CTL, 3, 8, dec9_mux_text);
static const struct soc_enum dec10_mux_enum =
SOC_ENUM_SINGLE(TABLA_A_CDC_CONN_TX_B4_CTL, 0, 8, dec10_mux_text);
static const struct soc_enum anc1_mux_enum =
SOC_ENUM_SINGLE(TABLA_A_CDC_CONN_ANC_B1_CTL, 0, 16, anc_mux_text);
static const struct soc_enum anc2_mux_enum =
SOC_ENUM_SINGLE(TABLA_A_CDC_CONN_ANC_B1_CTL, 4, 16, anc_mux_text);
static const struct soc_enum anc1_fb_mux_enum =
SOC_ENUM_SINGLE(TABLA_A_CDC_CONN_ANC_B2_CTL, 0, 3, anc1_fb_mux_text);
static const struct soc_enum iir1_inp1_mux_enum =
SOC_ENUM_SINGLE(TABLA_A_CDC_CONN_EQ1_B1_CTL, 0, 18, iir1_inp1_text);
static const struct snd_kcontrol_new rx_mix1_inp1_mux =
SOC_DAPM_ENUM("RX1 MIX1 INP1 Mux", rx_mix1_inp1_chain_enum);
static const struct snd_kcontrol_new rx_mix1_inp2_mux =
SOC_DAPM_ENUM("RX1 MIX1 INP2 Mux", rx_mix1_inp2_chain_enum);
static const struct snd_kcontrol_new rx2_mix1_inp1_mux =
SOC_DAPM_ENUM("RX2 MIX1 INP1 Mux", rx2_mix1_inp1_chain_enum);
static const struct snd_kcontrol_new rx2_mix1_inp2_mux =
SOC_DAPM_ENUM("RX2 MIX1 INP2 Mux", rx2_mix1_inp2_chain_enum);
static const struct snd_kcontrol_new rx3_mix1_inp1_mux =
SOC_DAPM_ENUM("RX3 MIX1 INP1 Mux", rx3_mix1_inp1_chain_enum);
static const struct snd_kcontrol_new rx3_mix1_inp2_mux =
SOC_DAPM_ENUM("RX3 MIX1 INP2 Mux", rx3_mix1_inp2_chain_enum);
static const struct snd_kcontrol_new rx4_mix1_inp1_mux =
SOC_DAPM_ENUM("RX4 MIX1 INP1 Mux", rx4_mix1_inp1_chain_enum);
static const struct snd_kcontrol_new rx4_mix1_inp2_mux =
SOC_DAPM_ENUM("RX4 MIX1 INP2 Mux", rx4_mix1_inp2_chain_enum);
static const struct snd_kcontrol_new rx5_mix1_inp1_mux =
SOC_DAPM_ENUM("RX5 MIX1 INP1 Mux", rx5_mix1_inp1_chain_enum);
static const struct snd_kcontrol_new rx5_mix1_inp2_mux =
SOC_DAPM_ENUM("RX5 MIX1 INP2 Mux", rx5_mix1_inp2_chain_enum);
static const struct snd_kcontrol_new rx6_mix1_inp1_mux =
SOC_DAPM_ENUM("RX6 MIX1 INP1 Mux", rx6_mix1_inp1_chain_enum);
static const struct snd_kcontrol_new rx6_mix1_inp2_mux =
SOC_DAPM_ENUM("RX6 MIX1 INP2 Mux", rx6_mix1_inp2_chain_enum);
static const struct snd_kcontrol_new sb_tx5_mux =
SOC_DAPM_ENUM("SLIM TX5 MUX Mux", sb_tx5_mux_enum);
static const struct snd_kcontrol_new sb_tx6_mux =
SOC_DAPM_ENUM("SLIM TX6 MUX Mux", sb_tx6_mux_enum);
static const struct snd_kcontrol_new sb_tx7_mux =
SOC_DAPM_ENUM("SLIM TX7 MUX Mux", sb_tx7_mux_enum);
static const struct snd_kcontrol_new sb_tx8_mux =
SOC_DAPM_ENUM("SLIM TX8 MUX Mux", sb_tx8_mux_enum);
static const struct snd_kcontrol_new sb_tx1_mux =
SOC_DAPM_ENUM("SLIM TX1 MUX Mux", sb_tx1_mux_enum);
static const struct snd_kcontrol_new dec1_mux =
SOC_DAPM_ENUM("DEC1 MUX Mux", dec1_mux_enum);
static const struct snd_kcontrol_new dec2_mux =
SOC_DAPM_ENUM("DEC2 MUX Mux", dec2_mux_enum);
static const struct snd_kcontrol_new dec3_mux =
SOC_DAPM_ENUM("DEC3 MUX Mux", dec3_mux_enum);
static const struct snd_kcontrol_new dec4_mux =
SOC_DAPM_ENUM("DEC4 MUX Mux", dec4_mux_enum);
static const struct snd_kcontrol_new dec5_mux =
SOC_DAPM_ENUM("DEC5 MUX Mux", dec5_mux_enum);
static const struct snd_kcontrol_new dec6_mux =
SOC_DAPM_ENUM("DEC6 MUX Mux", dec6_mux_enum);
static const struct snd_kcontrol_new dec7_mux =
SOC_DAPM_ENUM("DEC7 MUX Mux", dec7_mux_enum);
static const struct snd_kcontrol_new anc1_mux =
SOC_DAPM_ENUM("ANC1 MUX Mux", anc1_mux_enum);
static const struct snd_kcontrol_new dec8_mux =
SOC_DAPM_ENUM("DEC8 MUX Mux", dec8_mux_enum);
static const struct snd_kcontrol_new dec9_mux =
SOC_DAPM_ENUM("DEC9 MUX Mux", dec9_mux_enum);
static const struct snd_kcontrol_new dec10_mux =
SOC_DAPM_ENUM("DEC10 MUX Mux", dec10_mux_enum);
static const struct snd_kcontrol_new iir1_inp1_mux =
SOC_DAPM_ENUM("IIR1 INP1 Mux", iir1_inp1_mux_enum);
static const struct snd_kcontrol_new anc2_mux =
SOC_DAPM_ENUM("ANC2 MUX Mux", anc2_mux_enum);
static const struct snd_kcontrol_new anc1_fb_mux =
SOC_DAPM_ENUM("ANC1 FB MUX Mux", anc1_fb_mux_enum);
static const struct snd_kcontrol_new dac1_switch[] = {
SOC_DAPM_SINGLE("Switch", TABLA_A_RX_EAR_EN, 5, 1, 0)
};
static const struct snd_kcontrol_new hphl_switch[] = {
SOC_DAPM_SINGLE("Switch", TABLA_A_RX_HPH_L_DAC_CTL, 6, 1, 0)
};
static const struct snd_kcontrol_new hphr_switch[] = {
SOC_DAPM_SINGLE("Switch", TABLA_A_RX_HPH_R_DAC_CTL, 6, 1, 0)
};
static const struct snd_kcontrol_new lineout1_switch[] = {
SOC_DAPM_SINGLE("Switch", TABLA_A_RX_LINE_1_DAC_CTL, 6, 1, 0)
};
static const struct snd_kcontrol_new lineout2_switch[] = {
SOC_DAPM_SINGLE("Switch", TABLA_A_RX_LINE_2_DAC_CTL, 6, 1, 0)
};
static const struct snd_kcontrol_new lineout3_switch[] = {
SOC_DAPM_SINGLE("Switch", TABLA_A_RX_LINE_3_DAC_CTL, 6, 1, 0)
};
static const struct snd_kcontrol_new lineout4_switch[] = {
SOC_DAPM_SINGLE("Switch", TABLA_A_RX_LINE_4_DAC_CTL, 6, 1, 0)
};
static void tabla_codec_enable_adc_block(struct snd_soc_codec *codec,
int enable)
{
struct tabla_priv *tabla = snd_soc_codec_get_drvdata(codec);
pr_debug("%s %d\n", __func__, enable);
if (enable) {
tabla->adc_count++;
snd_soc_update_bits(codec, TABLA_A_TX_COM_BIAS, 0xE0, 0xE0);
snd_soc_update_bits(codec, TABLA_A_CDC_CLK_OTHR_CTL, 0x2, 0x2);
} else {
tabla->adc_count--;
if (!tabla->adc_count) {
snd_soc_update_bits(codec, TABLA_A_CDC_CLK_OTHR_CTL,
0x2, 0x0);
if (!tabla->mbhc_polling_active)
snd_soc_update_bits(codec, TABLA_A_TX_COM_BIAS,
0xE0, 0x0);
}
}
}
static int tabla_codec_enable_adc(struct snd_soc_dapm_widget *w,
struct snd_kcontrol *kcontrol, int event)
{
struct snd_soc_codec *codec = w->codec;
u16 adc_reg;
pr_debug("%s %d\n", __func__, event);
if (w->reg == TABLA_A_TX_1_2_EN)
adc_reg = TABLA_A_TX_1_2_TEST_CTL;
else if (w->reg == TABLA_A_TX_3_4_EN)
adc_reg = TABLA_A_TX_3_4_TEST_CTL;
else if (w->reg == TABLA_A_TX_5_6_EN)
adc_reg = TABLA_A_TX_5_6_TEST_CTL;
else {
pr_err("%s: Error, invalid adc register\n", __func__);
return -EINVAL;
}
switch (event) {
case SND_SOC_DAPM_PRE_PMU:
tabla_codec_enable_adc_block(codec, 1);
break;
case SND_SOC_DAPM_POST_PMU:
snd_soc_update_bits(codec, adc_reg, 1 << w->shift,
1 << w->shift);
usleep_range(1000, 1000);
snd_soc_update_bits(codec, adc_reg, 1 << w->shift, 0x00);
usleep_range(1000, 1000);
break;
case SND_SOC_DAPM_POST_PMD:
tabla_codec_enable_adc_block(codec, 0);
break;
}
return 0;
}
static int tabla_codec_enable_pamp_gain(struct snd_soc_dapm_widget *w,
struct snd_kcontrol *kcontrol, int event)
{
struct snd_soc_codec *codec = w->codec;
pr_debug("%s %d\n", __func__, event);
switch (event) {
case SND_SOC_DAPM_PRE_PMU:
snd_soc_update_bits(codec, TABLA_A_RX_EAR_GAIN, 0x80, 0x80);
break;
case SND_SOC_DAPM_POST_PMD:
snd_soc_update_bits(codec, TABLA_A_RX_EAR_GAIN, 0x80, 0x00);
break;
}
return 0;
}
static int tabla_codec_enable_lineout(struct snd_soc_dapm_widget *w,
struct snd_kcontrol *kcontrol, int event)
{
struct snd_soc_codec *codec = w->codec;
u16 lineout_gain_reg;
pr_debug("%s %d\n", __func__, event);
switch (w->shift) {
case 0:
lineout_gain_reg = TABLA_A_RX_LINE_1_GAIN;
break;
case 1:
lineout_gain_reg = TABLA_A_RX_LINE_2_GAIN;
break;
case 2:
lineout_gain_reg = TABLA_A_RX_LINE_3_GAIN;
break;
case 3:
lineout_gain_reg = TABLA_A_RX_LINE_4_GAIN;
break;
case 4:
lineout_gain_reg = TABLA_A_RX_LINE_5_GAIN;
break;
default:
pr_err("%s: Error, incorrect lineout register value\n",
__func__);
return -EINVAL;
}
switch (event) {
case SND_SOC_DAPM_PRE_PMU:
snd_soc_update_bits(codec, lineout_gain_reg, 0x40, 0x40);
break;
case SND_SOC_DAPM_POST_PMU:
usleep_range(40000, 40000);
break;
case SND_SOC_DAPM_POST_PMD:
snd_soc_update_bits(codec, lineout_gain_reg, 0x40, 0x00);
break;
}
return 0;
}
static int tabla_codec_enable_dmic(struct snd_soc_dapm_widget *w,
struct snd_kcontrol *kcontrol, int event)
{
struct snd_soc_codec *codec = w->codec;
u16 tx_mux_ctl_reg, tx_dmic_ctl_reg;
u8 dmic_clk_sel, dmic_clk_en;
if (!strncmp(w->name, "DMIC1", 5)) {
tx_mux_ctl_reg = TABLA_A_CDC_TX1_MUX_CTL;
tx_dmic_ctl_reg = TABLA_A_CDC_TX1_DMIC_CTL;
dmic_clk_sel = 0x2;
dmic_clk_en = 0x1;
} else if (!strncmp(w->name, "DMIC2", 5)) {
tx_mux_ctl_reg = TABLA_A_CDC_TX2_MUX_CTL;
tx_dmic_ctl_reg = TABLA_A_CDC_TX2_DMIC_CTL;
dmic_clk_sel = 0x2;
dmic_clk_en = 0x1;
} else if (!strncmp(w->name, "DMIC3", 5)) {
tx_mux_ctl_reg = TABLA_A_CDC_TX3_MUX_CTL;
tx_dmic_ctl_reg = TABLA_A_CDC_TX3_DMIC_CTL;
dmic_clk_sel = 0x8;
dmic_clk_en = 0x4;
} else {
pr_err("%s: Error, DMIC = %s\n", __func__, w->name);
return -EINVAL;
}
pr_debug("%s %d\n", __func__, event);
switch (event) {
case SND_SOC_DAPM_PRE_PMU:
snd_soc_update_bits(codec, tx_mux_ctl_reg, 0x1, 0x1);
snd_soc_update_bits(codec, TABLA_A_CDC_CLK_DMIC_CTL,
dmic_clk_sel, dmic_clk_sel);
snd_soc_update_bits(codec, tx_dmic_ctl_reg, 0x1, 0x1);
snd_soc_update_bits(codec, TABLA_A_CDC_CLK_DMIC_CTL,
dmic_clk_en, dmic_clk_en);
break;
case SND_SOC_DAPM_POST_PMD:
snd_soc_update_bits(codec, TABLA_A_CDC_CLK_DMIC_CTL,
dmic_clk_en, 0);
break;
}
return 0;
}
static int tabla_codec_enable_anc(struct snd_soc_dapm_widget *w,
struct snd_kcontrol *kcontrol, int event)
{
struct snd_soc_codec *codec = w->codec;
const char *filename;
const struct firmware *fw;
int i;
int ret;
struct tabla_priv *tabla = snd_soc_codec_get_drvdata(codec);
u16 reg;
u8 mask, val, old_val;
pr_debug("%s %d\n", __func__, event);
switch (event) {
case SND_SOC_DAPM_PRE_PMU:
filename = "wcd9310_anc.bin";
ret = request_firmware(&fw, filename, codec->dev);
if (ret != 0) {
dev_err(codec->dev, "Failed to acquire ANC data: %d\n",
ret);
return -ENODEV;
}
if (fw->size < TABLA_PACKED_REG_SIZE) {
dev_err(codec->dev, "Not enough data\n");
release_firmware(fw);
return -ENOMEM;
}
/* First number is the number of register writes */
tabla->anc_writes_size = (u32)(*fw->data);
if (tabla->anc_writes_size >
((fw->size/TABLA_PACKED_REG_SIZE) - 1)) {
dev_err(codec->dev, "Invalid register format\n");
release_firmware(fw);
return -ENOMEM;
}
tabla->anc_writes = (u32 *)(fw->data + TABLA_PACKED_REG_SIZE);
for (i = 0; i < tabla->anc_writes_size; i++) {
TABLA_CODEC_UNPACK_ENTRY(tabla->anc_writes[i], reg,
mask, val);
old_val = snd_soc_read(codec, reg);
snd_soc_write(codec, reg, (old_val & ~mask) | val);
}
release_firmware(fw);
tabla->anc_writes = NULL;
break;
case SND_SOC_DAPM_POST_PMD:
snd_soc_write(codec, TABLA_A_CDC_CLK_ANC_RESET_CTL, 0xFF);
snd_soc_write(codec, TABLA_A_CDC_CLK_ANC_CLK_EN_CTL, 0);
break;
}
return 0;
}
static int tabla_codec_enable_micbias(struct snd_soc_dapm_widget *w,
struct snd_kcontrol *kcontrol, int event)
{
struct snd_soc_codec *codec = w->codec;
u16 micb_cfilt_reg, micb_int_reg;
u8 cfilt_sel_val = 0;
char *internal1_text = "Internal1";
char *internal2_text = "Internal2";
char *internal3_text = "Internal3";
pr_debug("%s %d\n", __func__, event);
switch (w->reg) {
case TABLA_A_MICB_1_CTL:
micb_cfilt_reg = TABLA_A_MICB_CFILT_1_CTL;
micb_int_reg = TABLA_A_MICB_1_INT_RBIAS;
cfilt_sel_val = 0x00;
break;
case TABLA_A_MICB_2_CTL:
micb_cfilt_reg = TABLA_A_MICB_CFILT_2_CTL;
micb_int_reg = TABLA_A_MICB_2_INT_RBIAS;
cfilt_sel_val = 0x20;
break;
case TABLA_A_MICB_3_CTL:
micb_cfilt_reg = TABLA_A_MICB_CFILT_3_CTL;
micb_int_reg = TABLA_A_MICB_3_INT_RBIAS;
cfilt_sel_val = 0x40;
break;
case TABLA_A_MICB_4_CTL:
micb_cfilt_reg = TABLA_A_MICB_CFILT_3_CTL;
micb_int_reg = TABLA_A_MICB_4_INT_RBIAS;
cfilt_sel_val = 0x40;
break;
default:
pr_err("%s: Error, invalid micbias register\n", __func__);
return -EINVAL;
}
switch (event) {
case SND_SOC_DAPM_PRE_PMU:
snd_soc_update_bits(codec, w->reg, 0x60, cfilt_sel_val);
snd_soc_update_bits(codec, w->reg, 0x0E, 0x0A);
snd_soc_update_bits(codec, micb_cfilt_reg, 0x80, 0x80);
if (strnstr(w->name, internal1_text, 30))
snd_soc_update_bits(codec, micb_int_reg, 0xE0, 0xE0);
else if (strnstr(w->name, internal2_text, 30))
snd_soc_update_bits(codec, micb_int_reg, 0x1C, 0x1C);
else if (strnstr(w->name, internal3_text, 30))
snd_soc_update_bits(codec, micb_int_reg, 0x3, 0x3);
break;
case SND_SOC_DAPM_POST_PMD:
if (strnstr(w->name, internal1_text, 30))
snd_soc_update_bits(codec, micb_int_reg, 0x80, 0x00);
else if (strnstr(w->name, internal2_text, 30))
snd_soc_update_bits(codec, micb_int_reg, 0x10, 0x00);
else if (strnstr(w->name, internal3_text, 30))
snd_soc_update_bits(codec, micb_int_reg, 0x2, 0x0);
snd_soc_update_bits(codec, micb_cfilt_reg, 0x80, 0);
break;
}
return 0;
}
static void tabla_codec_enable_dec_clock(struct snd_soc_codec *codec,
int enable)
{
struct tabla_priv *tabla = snd_soc_codec_get_drvdata(codec);
if (enable) {
tabla->dec_count++;
snd_soc_update_bits(codec, TABLA_A_CDC_CLK_OTHR_CTL, 0x4, 0x4);
} else {
tabla->dec_count--;
if (!tabla->dec_count)
snd_soc_update_bits(codec, TABLA_A_CDC_CLK_OTHR_CTL,
0x4, 0x0);
}
}
static int tabla_codec_enable_dec(struct snd_soc_dapm_widget *w,
struct snd_kcontrol *kcontrol, int event)
{
struct snd_soc_codec *codec = w->codec;
u16 dec_reset_reg;
pr_debug("%s %d\n", __func__, event);
if (w->reg == TABLA_A_CDC_CLK_TX_CLK_EN_B1_CTL)
dec_reset_reg = TABLA_A_CDC_CLK_TX_RESET_B1_CTL;
else if (w->reg == TABLA_A_CDC_CLK_TX_CLK_EN_B2_CTL)
dec_reset_reg = TABLA_A_CDC_CLK_TX_RESET_B2_CTL;
else {
pr_err("%s: Error, incorrect dec\n", __func__);
return -EINVAL;
}
switch (event) {
case SND_SOC_DAPM_PRE_PMU:
tabla_codec_enable_dec_clock(codec, 1);
snd_soc_update_bits(codec, dec_reset_reg, 1 << w->shift,
1 << w->shift);
snd_soc_update_bits(codec, dec_reset_reg, 1 << w->shift, 0x0);
break;
case SND_SOC_DAPM_POST_PMD:
tabla_codec_enable_dec_clock(codec, 0);
break;
}
return 0;
}
static int tabla_codec_reset_interpolator(struct snd_soc_dapm_widget *w,
struct snd_kcontrol *kcontrol, int event)
{
struct snd_soc_codec *codec = w->codec;
switch (event) {
case SND_SOC_DAPM_PRE_PMU:
snd_soc_update_bits(codec, TABLA_A_CDC_CLK_RX_RESET_CTL,
1 << w->shift, 1 << w->shift);
snd_soc_update_bits(codec, TABLA_A_CDC_CLK_RX_RESET_CTL,
1 << w->shift, 0x0);
break;
}
return 0;
}
static int tabla_codec_enable_ldo_h(struct snd_soc_dapm_widget *w,
struct snd_kcontrol *kcontrol, int event)
{
switch (event) {
case SND_SOC_DAPM_POST_PMU:
case SND_SOC_DAPM_POST_PMD:
usleep_range(1000, 1000);
break;
}
return 0;
}
static const struct snd_soc_dapm_widget tabla_dapm_widgets[] = {
/*RX stuff */
SND_SOC_DAPM_OUTPUT("EAR"),
SND_SOC_DAPM_PGA_E("EAR PA", TABLA_A_RX_EAR_EN, 4, 0, NULL, 0,
tabla_codec_enable_pamp_gain, SND_SOC_DAPM_POST_PMU |
SND_SOC_DAPM_PRE_PMD),
SND_SOC_DAPM_PGA("EAR PA Input", TABLA_A_CDC_CLSG_CTL, 2, 0, NULL, 0),
SND_SOC_DAPM_MIXER("DAC1", TABLA_A_RX_EAR_EN, 6, 0, dac1_switch,
ARRAY_SIZE(dac1_switch)),
SND_SOC_DAPM_AIF_IN("SLIM RX1", "AIF1 Playback", 0, SND_SOC_NOPM, 0, 0),
SND_SOC_DAPM_AIF_IN("SLIM RX2", "AIF1 Playback", 0, SND_SOC_NOPM, 0, 0),
/* Headphone */
SND_SOC_DAPM_OUTPUT("HEADPHONE"),
SND_SOC_DAPM_PGA("HPHL", TABLA_A_RX_HPH_CNP_EN, 5, 0, NULL, 0),
SND_SOC_DAPM_MIXER("HPHL DAC", TABLA_A_RX_HPH_L_DAC_CTL, 7, 0,
hphl_switch, ARRAY_SIZE(hphl_switch)),
SND_SOC_DAPM_PGA("HPHR", TABLA_A_RX_HPH_CNP_EN, 4, 0, NULL, 0),
SND_SOC_DAPM_MIXER("HPHR DAC", TABLA_A_RX_HPH_R_DAC_CTL, 7, 0,
hphr_switch, ARRAY_SIZE(hphr_switch)),
/* Speaker */
SND_SOC_DAPM_OUTPUT("LINEOUT"),
SND_SOC_DAPM_PGA_E("LINEOUT1", TABLA_A_RX_LINE_CNP_EN, 0, 0, NULL, 0,
tabla_codec_enable_lineout, SND_SOC_DAPM_PRE_PMU |
SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD),
SND_SOC_DAPM_PGA_E("LINEOUT2", TABLA_A_RX_LINE_CNP_EN, 1, 0, NULL, 0,
tabla_codec_enable_lineout, SND_SOC_DAPM_PRE_PMU |
SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD),
SND_SOC_DAPM_PGA_E("LINEOUT3", TABLA_A_RX_LINE_CNP_EN, 2, 0, NULL, 0,
tabla_codec_enable_lineout, SND_SOC_DAPM_PRE_PMU |
SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD),
SND_SOC_DAPM_PGA_E("LINEOUT4", TABLA_A_RX_LINE_CNP_EN, 3, 0, NULL, 0,
tabla_codec_enable_lineout, SND_SOC_DAPM_PRE_PMU |
SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD),
SND_SOC_DAPM_MIXER("LINEOUT1 DAC", TABLA_A_RX_LINE_1_DAC_CTL, 7, 0,
lineout1_switch, ARRAY_SIZE(lineout1_switch)),
SND_SOC_DAPM_MIXER("LINEOUT2 DAC", TABLA_A_RX_LINE_2_DAC_CTL, 7, 0,
lineout2_switch, ARRAY_SIZE(lineout2_switch)),
SND_SOC_DAPM_MIXER("LINEOUT3 DAC", TABLA_A_RX_LINE_3_DAC_CTL, 7, 0,
lineout3_switch, ARRAY_SIZE(lineout3_switch)),
SND_SOC_DAPM_MIXER("LINEOUT4 DAC", TABLA_A_RX_LINE_4_DAC_CTL, 7, 0,
lineout4_switch, ARRAY_SIZE(lineout4_switch)),
SND_SOC_DAPM_MIXER_E("RX1 MIX1", TABLA_A_CDC_CLK_RX_B1_CTL, 0, 0, NULL,
0, tabla_codec_reset_interpolator, SND_SOC_DAPM_PRE_PMU),
SND_SOC_DAPM_MIXER_E("RX2 MIX1", TABLA_A_CDC_CLK_RX_B1_CTL, 1, 0, NULL,
0, tabla_codec_reset_interpolator, SND_SOC_DAPM_PRE_PMU),
SND_SOC_DAPM_MIXER_E("RX3 MIX1", TABLA_A_CDC_CLK_RX_B1_CTL, 2, 0, NULL,
0, tabla_codec_reset_interpolator, SND_SOC_DAPM_PRE_PMU),
SND_SOC_DAPM_MIXER_E("RX4 MIX1", TABLA_A_CDC_CLK_RX_B1_CTL, 3, 0, NULL,
0, tabla_codec_reset_interpolator, SND_SOC_DAPM_PRE_PMU),
SND_SOC_DAPM_MIXER_E("RX5 MIX1", TABLA_A_CDC_CLK_RX_B1_CTL, 4, 0, NULL,
0, tabla_codec_reset_interpolator, SND_SOC_DAPM_PRE_PMU),
SND_SOC_DAPM_MIXER_E("RX6 MIX1", TABLA_A_CDC_CLK_RX_B1_CTL, 5, 0, NULL,
0, tabla_codec_reset_interpolator, SND_SOC_DAPM_PRE_PMU),
SND_SOC_DAPM_MIXER("RX1 CHAIN", TABLA_A_CDC_RX1_B6_CTL, 5, 0, NULL, 0),
SND_SOC_DAPM_MIXER("RX2 CHAIN", TABLA_A_CDC_RX2_B6_CTL, 5, 0, NULL, 0),
SND_SOC_DAPM_MUX("RX1 MIX1 INP1", SND_SOC_NOPM, 0, 0,
&rx_mix1_inp1_mux),
SND_SOC_DAPM_MUX("RX1 MIX1 INP2", SND_SOC_NOPM, 0, 0,
&rx_mix1_inp2_mux),
SND_SOC_DAPM_MUX("RX2 MIX1 INP1", SND_SOC_NOPM, 0, 0,
&rx2_mix1_inp1_mux),
SND_SOC_DAPM_MUX("RX2 MIX1 INP2", SND_SOC_NOPM, 0, 0,
&rx2_mix1_inp2_mux),
SND_SOC_DAPM_MUX("RX3 MIX1 INP1", SND_SOC_NOPM, 0, 0,
&rx3_mix1_inp1_mux),
SND_SOC_DAPM_MUX("RX3 MIX1 INP2", SND_SOC_NOPM, 0, 0,
&rx3_mix1_inp2_mux),
SND_SOC_DAPM_MUX("RX4 MIX1 INP1", SND_SOC_NOPM, 0, 0,
&rx4_mix1_inp1_mux),
SND_SOC_DAPM_MUX("RX4 MIX1 INP2", SND_SOC_NOPM, 0, 0,
&rx4_mix1_inp2_mux),
SND_SOC_DAPM_MUX("RX5 MIX1 INP1", SND_SOC_NOPM, 0, 0,
&rx5_mix1_inp1_mux),
SND_SOC_DAPM_MUX("RX5 MIX1 INP2", SND_SOC_NOPM, 0, 0,
&rx5_mix1_inp2_mux),
SND_SOC_DAPM_MUX("RX6 MIX1 INP1", SND_SOC_NOPM, 0, 0,
&rx6_mix1_inp1_mux),
SND_SOC_DAPM_MUX("RX6 MIX1 INP2", SND_SOC_NOPM, 0, 0,
&rx6_mix1_inp2_mux),
SND_SOC_DAPM_SUPPLY("CP", TABLA_A_CP_EN, 0, 0,
tabla_codec_enable_charge_pump, SND_SOC_DAPM_POST_PMU |
SND_SOC_DAPM_PRE_PMD),
/* TX */
SND_SOC_DAPM_SUPPLY("LDO_H", TABLA_A_LDO_H_MODE_1, 7, 0,
tabla_codec_enable_ldo_h, SND_SOC_DAPM_POST_PMU),
SND_SOC_DAPM_INPUT("AMIC1"),
SND_SOC_DAPM_MICBIAS_E("MIC BIAS1 External", TABLA_A_MICB_1_CTL, 7, 0,
tabla_codec_enable_micbias, SND_SOC_DAPM_PRE_PMU |
SND_SOC_DAPM_POST_PMD),
SND_SOC_DAPM_MICBIAS_E("MIC BIAS1 Internal1", TABLA_A_MICB_1_CTL, 7, 0,
tabla_codec_enable_micbias, SND_SOC_DAPM_PRE_PMU |
SND_SOC_DAPM_POST_PMD),
SND_SOC_DAPM_MICBIAS_E("MIC BIAS1 Internal2", TABLA_A_MICB_1_CTL, 7, 0,
tabla_codec_enable_micbias, SND_SOC_DAPM_PRE_PMU |
SND_SOC_DAPM_POST_PMD),
SND_SOC_DAPM_ADC_E("ADC1", NULL, TABLA_A_TX_1_2_EN, 7, 0,
tabla_codec_enable_adc, SND_SOC_DAPM_PRE_PMU |
SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD),
SND_SOC_DAPM_INPUT("AMIC3"),
SND_SOC_DAPM_ADC_E("ADC3", NULL, TABLA_A_TX_3_4_EN, 7, 0,
tabla_codec_enable_adc, SND_SOC_DAPM_PRE_PMU |
SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD),
SND_SOC_DAPM_INPUT("AMIC4"),
SND_SOC_DAPM_ADC_E("ADC4", NULL, TABLA_A_TX_3_4_EN, 3, 0,
tabla_codec_enable_adc, SND_SOC_DAPM_PRE_PMU |
SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD),
SND_SOC_DAPM_MICBIAS_E("MIC BIAS4 External", TABLA_A_MICB_4_CTL, 7, 0,
tabla_codec_enable_micbias, SND_SOC_DAPM_PRE_PMU |
SND_SOC_DAPM_POST_PMD),
SND_SOC_DAPM_INPUT("AMIC5"),
SND_SOC_DAPM_ADC_E("ADC5", NULL, TABLA_A_TX_5_6_EN, 7, 0,
tabla_codec_enable_adc, SND_SOC_DAPM_POST_PMU),
SND_SOC_DAPM_INPUT("AMIC6"),
SND_SOC_DAPM_ADC_E("ADC6", NULL, TABLA_A_TX_5_6_EN, 3, 0,
tabla_codec_enable_adc, SND_SOC_DAPM_POST_PMU),
SND_SOC_DAPM_MUX_E("DEC1 MUX", TABLA_A_CDC_CLK_TX_CLK_EN_B1_CTL, 0, 0,
&dec1_mux, tabla_codec_enable_dec, SND_SOC_DAPM_PRE_PMU |
SND_SOC_DAPM_POST_PMD),
SND_SOC_DAPM_MUX_E("DEC2 MUX", TABLA_A_CDC_CLK_TX_CLK_EN_B1_CTL, 1, 0,
&dec2_mux, tabla_codec_enable_dec, SND_SOC_DAPM_PRE_PMU |
SND_SOC_DAPM_POST_PMD),
SND_SOC_DAPM_MUX_E("DEC3 MUX", TABLA_A_CDC_CLK_TX_CLK_EN_B1_CTL, 2, 0,
&dec3_mux, tabla_codec_enable_dec, SND_SOC_DAPM_PRE_PMU |
SND_SOC_DAPM_POST_PMD),
SND_SOC_DAPM_MUX_E("DEC4 MUX", TABLA_A_CDC_CLK_TX_CLK_EN_B1_CTL, 3, 0,
&dec4_mux, tabla_codec_enable_dec, SND_SOC_DAPM_PRE_PMU |
SND_SOC_DAPM_POST_PMD),
SND_SOC_DAPM_MUX_E("DEC5 MUX", TABLA_A_CDC_CLK_TX_CLK_EN_B1_CTL, 4, 0,
&dec5_mux, tabla_codec_enable_dec, SND_SOC_DAPM_PRE_PMU |
SND_SOC_DAPM_POST_PMD),
SND_SOC_DAPM_MUX_E("DEC6 MUX", TABLA_A_CDC_CLK_TX_CLK_EN_B1_CTL, 5, 0,
&dec6_mux, tabla_codec_enable_dec, SND_SOC_DAPM_PRE_PMU |
SND_SOC_DAPM_POST_PMD),
SND_SOC_DAPM_MUX_E("DEC7 MUX", TABLA_A_CDC_CLK_TX_CLK_EN_B1_CTL, 6, 0,
&dec7_mux, tabla_codec_enable_dec, SND_SOC_DAPM_PRE_PMU |
SND_SOC_DAPM_POST_PMD),
SND_SOC_DAPM_MUX_E("DEC8 MUX", TABLA_A_CDC_CLK_TX_CLK_EN_B1_CTL, 7, 0,
&dec8_mux, tabla_codec_enable_dec, SND_SOC_DAPM_PRE_PMU |
SND_SOC_DAPM_POST_PMD),
SND_SOC_DAPM_MUX_E("DEC9 MUX", TABLA_A_CDC_CLK_TX_CLK_EN_B2_CTL, 0, 0,
&dec9_mux, tabla_codec_enable_dec, SND_SOC_DAPM_PRE_PMU |
SND_SOC_DAPM_POST_PMD),
SND_SOC_DAPM_MUX_E("DEC10 MUX", TABLA_A_CDC_CLK_TX_CLK_EN_B2_CTL, 1, 0,
&dec10_mux, tabla_codec_enable_dec, SND_SOC_DAPM_PRE_PMU |
SND_SOC_DAPM_POST_PMD),
SND_SOC_DAPM_MUX("ANC1 MUX", SND_SOC_NOPM, 0, 0, &anc1_mux),
SND_SOC_DAPM_MUX("ANC2 MUX", SND_SOC_NOPM, 0, 0, &anc2_mux),
SND_SOC_DAPM_MIXER_E("ANC", SND_SOC_NOPM, 0, 0, NULL, 0,
tabla_codec_enable_anc, SND_SOC_DAPM_PRE_PMU |
SND_SOC_DAPM_POST_PMD),
SND_SOC_DAPM_MUX("ANC1 FB MUX", SND_SOC_NOPM, 0, 0, &anc1_fb_mux),
SND_SOC_DAPM_INPUT("AMIC2"),
SND_SOC_DAPM_MICBIAS_E("MIC BIAS2 External", TABLA_A_MICB_2_CTL, 7, 0,
tabla_codec_enable_micbias, SND_SOC_DAPM_PRE_PMU |
SND_SOC_DAPM_POST_PMD),
SND_SOC_DAPM_MICBIAS_E("MIC BIAS2 Internal1", TABLA_A_MICB_2_CTL, 7, 0,
tabla_codec_enable_micbias, SND_SOC_DAPM_PRE_PMU |
SND_SOC_DAPM_POST_PMD),
SND_SOC_DAPM_MICBIAS_E("MIC BIAS2 Internal2", TABLA_A_MICB_2_CTL, 7, 0,
tabla_codec_enable_micbias, SND_SOC_DAPM_PRE_PMU |
SND_SOC_DAPM_POST_PMD),
SND_SOC_DAPM_MICBIAS_E("MIC BIAS2 Internal3", TABLA_A_MICB_2_CTL, 7, 0,
tabla_codec_enable_micbias, SND_SOC_DAPM_PRE_PMU |
SND_SOC_DAPM_POST_PMD),
SND_SOC_DAPM_MICBIAS_E("MIC BIAS3 External", TABLA_A_MICB_3_CTL, 7, 0,
tabla_codec_enable_micbias, SND_SOC_DAPM_PRE_PMU |
SND_SOC_DAPM_POST_PMD),
SND_SOC_DAPM_MICBIAS_E("MIC BIAS3 Internal1", TABLA_A_MICB_3_CTL, 7, 0,
tabla_codec_enable_micbias, SND_SOC_DAPM_PRE_PMU |
SND_SOC_DAPM_POST_PMD),
SND_SOC_DAPM_MICBIAS_E("MIC BIAS3 Internal2", TABLA_A_MICB_3_CTL, 7, 0,
tabla_codec_enable_micbias, SND_SOC_DAPM_PRE_PMU |
SND_SOC_DAPM_POST_PMD),
SND_SOC_DAPM_ADC_E("ADC2", NULL, TABLA_A_TX_1_2_EN, 3, 0,
tabla_codec_enable_adc, SND_SOC_DAPM_PRE_PMU |
SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD),
SND_SOC_DAPM_MUX("SLIM TX1 MUX", SND_SOC_NOPM, 0, 0, &sb_tx1_mux),
SND_SOC_DAPM_AIF_OUT("SLIM TX1", "AIF1 Capture", NULL, SND_SOC_NOPM,
0, 0),
SND_SOC_DAPM_MUX("SLIM TX5 MUX", SND_SOC_NOPM, 0, 0, &sb_tx5_mux),
SND_SOC_DAPM_AIF_OUT("SLIM TX5", "AIF1 Capture", NULL, SND_SOC_NOPM,
4, 0),
SND_SOC_DAPM_MUX("SLIM TX6 MUX", SND_SOC_NOPM, 0, 0, &sb_tx6_mux),
SND_SOC_DAPM_AIF_OUT("SLIM TX6", "AIF1 Capture", NULL, SND_SOC_NOPM,
5, 0),
SND_SOC_DAPM_MUX("SLIM TX7 MUX", SND_SOC_NOPM, 0, 0, &sb_tx7_mux),
SND_SOC_DAPM_AIF_OUT("SLIM TX7", "AIF1 Capture", NULL, SND_SOC_NOPM,
0, 0),
SND_SOC_DAPM_MUX("SLIM TX8 MUX", SND_SOC_NOPM, 0, 0, &sb_tx8_mux),
SND_SOC_DAPM_AIF_OUT("SLIM TX8", "AIF1 Capture", NULL, SND_SOC_NOPM,
0, 0),
/* Digital Mic Inputs */
SND_SOC_DAPM_MIC("DMIC1", &tabla_codec_enable_dmic),
SND_SOC_DAPM_MIC("DMIC2", &tabla_codec_enable_dmic),
SND_SOC_DAPM_MIC("DMIC3", &tabla_codec_enable_dmic),
/* Sidetone */
SND_SOC_DAPM_MUX("IIR1 INP1 MUX", SND_SOC_NOPM, 0, 0, &iir1_inp1_mux),
SND_SOC_DAPM_PGA("IIR1", TABLA_A_CDC_CLK_SD_CTL, 0, 0, NULL, 0),
};
static const struct snd_soc_dapm_route audio_map[] = {
/* SLIMBUS Connections */
{"SLIM TX1", NULL, "SLIM TX1 MUX"},
{"SLIM TX1 MUX", "DEC1", "DEC1 MUX"},
{"SLIM TX5", NULL, "SLIM TX5 MUX"},
{"SLIM TX5 MUX", "DEC5", "DEC5 MUX"},
{"SLIM TX6", NULL, "SLIM TX6 MUX"},
{"SLIM TX6 MUX", "DEC6", "DEC6 MUX"},
{"SLIM TX7", NULL, "SLIM TX7 MUX"},
{"SLIM TX7 MUX", "DEC1", "DEC1 MUX"},
{"SLIM TX7 MUX", "DEC2", "DEC2 MUX"},
{"SLIM TX7 MUX", "DEC3", "DEC3 MUX"},
{"SLIM TX7 MUX", "DEC4", "DEC4 MUX"},
{"SLIM TX7 MUX", "DEC5", "DEC5 MUX"},
{"SLIM TX7 MUX", "DEC6", "DEC6 MUX"},
{"SLIM TX7 MUX", "DEC7", "DEC7 MUX"},
{"SLIM TX7 MUX", "DEC8", "DEC8 MUX"},
{"SLIM TX7 MUX", "DEC9", "DEC9 MUX"},
{"SLIM TX7 MUX", "DEC10", "DEC10 MUX"},
{"SLIM TX8", NULL, "SLIM TX8 MUX"},
{"SLIM TX8 MUX", "DEC1", "DEC1 MUX"},
{"SLIM TX8 MUX", "DEC2", "DEC2 MUX"},
{"SLIM TX8 MUX", "DEC3", "DEC3 MUX"},
{"SLIM TX8 MUX", "DEC5", "DEC5 MUX"},
{"SLIM TX8 MUX", "DEC6", "DEC6 MUX"},
/* Earpiece (RX MIX1) */
{"EAR", NULL, "EAR PA"},
{"EAR PA", NULL, "EAR PA Input"},
{"EAR PA Input", NULL, "DAC1"},
{"DAC1", NULL, "CP"},
{"ANC1 FB MUX", "EAR_HPH_L", "RX1 MIX1"},
{"ANC1 FB MUX", "EAR_LINE_1", "RX2 MIX1"},
{"ANC", NULL, "ANC1 FB MUX"},
/* Headset (RX MIX1 and RX MIX2) */
{"HEADPHONE", NULL, "HPHL"},
{"HEADPHONE", NULL, "HPHR"},
{"HPHL", NULL, "HPHL DAC"},
{"HPHR", NULL, "HPHR DAC"},
{"HPHL DAC", NULL, "CP"},
{"HPHR DAC", NULL, "CP"},
{"ANC", NULL, "ANC1 MUX"},
{"ANC", NULL, "ANC2 MUX"},
{"ANC1 MUX", "ADC1", "ADC1"},
{"ANC1 MUX", "ADC2", "ADC2"},
{"ANC1 MUX", "ADC3", "ADC3"},
{"ANC1 MUX", "ADC4", "ADC4"},
{"ANC2 MUX", "ADC1", "ADC1"},
{"ANC2 MUX", "ADC2", "ADC2"},
{"ANC2 MUX", "ADC3", "ADC3"},
{"ANC2 MUX", "ADC4", "ADC4"},
{"DAC1", "Switch", "RX1 CHAIN"},
{"HPHL DAC", "Switch", "RX1 CHAIN"},
{"HPHR DAC", "Switch", "RX2 CHAIN"},
{"LINEOUT", NULL, "LINEOUT1"},
{"LINEOUT", NULL, "LINEOUT2"},
{"LINEOUT", NULL, "LINEOUT3"},
{"LINEOUT", NULL, "LINEOUT4"},
{"LINEOUT1", NULL, "LINEOUT1 DAC"},
{"LINEOUT2", NULL, "LINEOUT2 DAC"},
{"LINEOUT3", NULL, "LINEOUT3 DAC"},
{"LINEOUT4", NULL, "LINEOUT4 DAC"},
{"RX1 CHAIN", NULL, "RX1 MIX1"},
{"RX2 CHAIN", NULL, "RX2 MIX1"},
{"RX1 CHAIN", NULL, "ANC"},
{"RX2 CHAIN", NULL, "ANC"},
{"LINEOUT1 DAC", "Switch", "RX3 MIX1"},
{"LINEOUT2 DAC", "Switch", "RX4 MIX1"},
{"LINEOUT3 DAC", "Switch", "RX5 MIX1"},
{"LINEOUT4 DAC", "Switch", "RX6 MIX1"},
{"RX1 MIX1", NULL, "RX1 MIX1 INP1"},
{"RX1 MIX1", NULL, "RX1 MIX1 INP2"},
{"RX2 MIX1", NULL, "RX2 MIX1 INP1"},
{"RX2 MIX1", NULL, "RX2 MIX1 INP2"},
{"RX3 MIX1", NULL, "RX3 MIX1 INP1"},
{"RX3 MIX1", NULL, "RX3 MIX1 INP2"},
{"RX4 MIX1", NULL, "RX4 MIX1 INP1"},
{"RX4 MIX1", NULL, "RX4 MIX1 INP2"},
{"RX5 MIX1", NULL, "RX5 MIX1 INP1"},
{"RX5 MIX1", NULL, "RX5 MIX1 INP2"},
{"RX6 MIX1", NULL, "RX6 MIX1 INP1"},
{"RX6 MIX1", NULL, "RX6 MIX1 INP2"},
{"RX1 MIX1 INP1", "RX1", "SLIM RX1"},
{"RX1 MIX1 INP1", "RX2", "SLIM RX2"},
{"RX1 MIX1 INP1", "IIR1", "IIR1"},
{"RX1 MIX1 INP2", "RX1", "SLIM RX1"},
{"RX1 MIX1 INP2", "RX2", "SLIM RX2"},
{"RX1 MIX1 INP2", "IIR1", "IIR1"},
{"RX2 MIX1 INP1", "RX1", "SLIM RX1"},
{"RX2 MIX1 INP1", "RX2", "SLIM RX2"},
{"RX2 MIX1 INP2", "RX1", "SLIM RX1"},
{"RX2 MIX1 INP2", "RX2", "SLIM RX2"},
{"RX3 MIX1 INP1", "RX1", "SLIM RX1"},
{"RX3 MIX1 INP1", "RX2", "SLIM RX2"},
{"RX3 MIX1 INP2", "RX1", "SLIM RX1"},
{"RX3 MIX1 INP2", "RX2", "SLIM RX2"},
{"RX4 MIX1 INP1", "RX1", "SLIM RX1"},
{"RX4 MIX1 INP1", "RX2", "SLIM RX2"},
{"RX4 MIX1 INP2", "RX1", "SLIM RX1"},
{"RX4 MIX1 INP2", "RX2", "SLIM RX2"},
{"RX5 MIX1 INP1", "RX1", "SLIM RX1"},
{"RX5 MIX1 INP1", "RX2", "SLIM RX2"},
{"RX5 MIX1 INP2", "RX1", "SLIM RX1"},
{"RX5 MIX1 INP2", "RX2", "SLIM RX2"},
{"RX6 MIX1 INP1", "RX1", "SLIM RX1"},
{"RX6 MIX1 INP1", "RX2", "SLIM RX2"},
{"RX6 MIX1 INP2", "RX1", "SLIM RX1"},
{"RX6 MIX1 INP2", "RX2", "SLIM RX2"},
/* Decimator Inputs */
{"DEC1 MUX", "DMIC1", "DMIC1"},
{"DEC1 MUX", "ADC6", "ADC6"},
{"DEC2 MUX", "DMIC2", "DMIC2"},
{"DEC2 MUX", "ADC5", "ADC5"},
{"DEC3 MUX", "DMIC3", "DMIC3"},
{"DEC3 MUX", "ADC4", "ADC4"},
{"DEC4 MUX", "ADC3", "ADC3"},
{"DEC5 MUX", "ADC2", "ADC2"},
{"DEC6 MUX", "ADC1", "ADC1"},
{"DEC7 MUX", "DMIC1", "DMIC1"},
{"DEC7 MUX", "ADC6", "ADC6"},
{"DEC8 MUX", "ADC5", "ADC5"},
{"DEC9 MUX", "ADC3", "ADC3"},
{"DEC10 MUX", "ADC4", "ADC4"},
/* ADC Connections */
{"ADC1", NULL, "AMIC1"},
{"ADC2", NULL, "AMIC2"},
{"ADC3", NULL, "AMIC3"},
{"ADC4", NULL, "AMIC4"},
{"ADC5", NULL, "AMIC5"},
{"ADC6", NULL, "AMIC6"},
{"IIR1", NULL, "IIR1 INP1 MUX"},
{"IIR1 INP1 MUX", "DEC6", "DEC6 MUX"},
{"MIC BIAS1 Internal1", NULL, "LDO_H"},
{"MIC BIAS1 Internal2", NULL, "LDO_H"},
{"MIC BIAS1 External", NULL, "LDO_H"},
{"MIC BIAS2 Internal1", NULL, "LDO_H"},
{"MIC BIAS2 Internal2", NULL, "LDO_H"},
{"MIC BIAS2 Internal3", NULL, "LDO_H"},
{"MIC BIAS2 External", NULL, "LDO_H"},
{"MIC BIAS3 Internal1", NULL, "LDO_H"},
{"MIC BIAS3 Internal2", NULL, "LDO_H"},
{"MIC BIAS3 External", NULL, "LDO_H"},
{"MIC BIAS4 External", NULL, "LDO_H"},
};
static int tabla_readable(struct snd_soc_codec *ssc, unsigned int reg)
{
return tabla_reg_readable[reg];
}
static int tabla_volatile(struct snd_soc_codec *ssc, unsigned int reg)
{
/* Registers lower than 0x100 are top level registers which can be
* written by the Tabla core driver.
*/
if ((reg >= TABLA_A_CDC_MBHC_EN_CTL) || (reg < 0x100))
return 1;
return 0;
}
#define TABLA_FORMATS (SNDRV_PCM_FMTBIT_S16_LE)
static int tabla_write(struct snd_soc_codec *codec, unsigned int reg,
unsigned int value)
{
int ret;
pr_debug("%s: write reg %x val %x\n", __func__, reg, value);
BUG_ON(reg > TABLA_MAX_REGISTER);
if (!tabla_volatile(codec, reg)) {
pr_debug("writing to cache\n");
ret = snd_soc_cache_write(codec, reg, value);
if (ret != 0)
dev_err(codec->dev, "Cache write to %x failed: %d\n",
reg, ret);
}
return tabla_reg_write(codec->control_data, reg, value);
}
static unsigned int tabla_read(struct snd_soc_codec *codec,
unsigned int reg)
{
unsigned int val;
int ret;
BUG_ON(reg > TABLA_MAX_REGISTER);
if (!tabla_volatile(codec, reg) && tabla_readable(codec, reg) &&
reg < codec->driver->reg_cache_size) {
pr_debug("reading from cache\n");
ret = snd_soc_cache_read(codec, reg, &val);
if (ret >= 0) {
pr_debug("register %x, value %x\n", reg, val);
return val;
} else
dev_err(codec->dev, "Cache read from %x failed: %d\n",
reg, ret);
}
val = tabla_reg_read(codec->control_data, reg);
pr_debug("%s: read reg %x val %x\n", __func__, reg, val);
return val;
}
static void tabla_codec_enable_audio_mode_bandgap(struct snd_soc_codec *codec)
{
snd_soc_write(codec, TABLA_A_BIAS_REF_CTL, 0x1C);
snd_soc_update_bits(codec, TABLA_A_BIAS_CENTRAL_BG_CTL, 0x80,
0x80);
snd_soc_update_bits(codec, TABLA_A_BIAS_CENTRAL_BG_CTL, 0x04,
0x04);
snd_soc_update_bits(codec, TABLA_A_BIAS_CENTRAL_BG_CTL, 0x01,
0x01);
usleep_range(1000, 1000);
snd_soc_update_bits(codec, TABLA_A_BIAS_CENTRAL_BG_CTL, 0x80,
0x00);
}
static void tabla_codec_enable_bandgap(struct snd_soc_codec *codec,
enum tabla_bandgap_type choice)
{
struct tabla_priv *tabla = snd_soc_codec_get_drvdata(codec);
/* TODO lock resources accessed by audio streams and threaded
* interrupt handlers
*/
pr_debug("%s, choice is %d, current is %d\n", __func__, choice,
tabla->bandgap_type);
if (tabla->bandgap_type == choice)
return;
if ((tabla->bandgap_type == TABLA_BANDGAP_OFF) &&
(choice == TABLA_BANDGAP_AUDIO_MODE)) {
tabla_codec_enable_audio_mode_bandgap(codec);
} else if ((tabla->bandgap_type == TABLA_BANDGAP_AUDIO_MODE) &&
(choice == TABLA_BANDGAP_MBHC_MODE)) {
snd_soc_update_bits(codec, TABLA_A_BIAS_CENTRAL_BG_CTL, 0x2,
0x2);
snd_soc_update_bits(codec, TABLA_A_BIAS_CENTRAL_BG_CTL, 0x80,
0x80);
snd_soc_update_bits(codec, TABLA_A_BIAS_CENTRAL_BG_CTL, 0x4,
0x4);
usleep_range(1000, 1000);
snd_soc_update_bits(codec, TABLA_A_BIAS_CENTRAL_BG_CTL, 0x80,
0x00);
} else if ((tabla->bandgap_type == TABLA_BANDGAP_MBHC_MODE) &&
(choice == TABLA_BANDGAP_AUDIO_MODE)) {
snd_soc_write(codec, TABLA_A_BIAS_CENTRAL_BG_CTL, 0x00);
usleep_range(100, 100);
tabla_codec_enable_audio_mode_bandgap(codec);
} else if (choice == TABLA_BANDGAP_OFF) {
snd_soc_write(codec, TABLA_A_BIAS_CENTRAL_BG_CTL, 0x00);
} else {
pr_err("%s: Error, Invalid bandgap settings\n", __func__);
}
tabla->bandgap_type = choice;
}
static int tabla_codec_enable_config_mode(struct snd_soc_codec *codec,
int enable)
{
struct tabla_priv *tabla = snd_soc_codec_get_drvdata(codec);
if (enable) {
snd_soc_update_bits(codec, TABLA_A_CONFIG_MODE_FREQ, 0x10, 0);
snd_soc_write(codec, TABLA_A_BIAS_CONFIG_MODE_BG_CTL, 0x17);
usleep_range(5, 5);
snd_soc_update_bits(codec, TABLA_A_CONFIG_MODE_FREQ, 0x80,
0x80);
snd_soc_update_bits(codec, TABLA_A_CONFIG_MODE_TEST, 0x80,
0x80);
usleep_range(10, 10);
snd_soc_update_bits(codec, TABLA_A_CONFIG_MODE_TEST, 0x80, 0);
usleep_range(20, 20);
snd_soc_update_bits(codec, TABLA_A_CLK_BUFF_EN1, 0x08, 0x08);
} else {
snd_soc_update_bits(codec, TABLA_A_BIAS_CONFIG_MODE_BG_CTL, 0x1,
0);
snd_soc_update_bits(codec, TABLA_A_CONFIG_MODE_FREQ, 0x80, 0);
}
tabla->config_mode_active = enable ? true : false;
return 0;
}
static int tabla_codec_enable_clock_block(struct snd_soc_codec *codec,
int config_mode)
{
struct tabla_priv *tabla = snd_soc_codec_get_drvdata(codec);
pr_debug("%s\n", __func__);
if (config_mode) {
tabla_codec_enable_config_mode(codec, 1);
snd_soc_write(codec, TABLA_A_CLK_BUFF_EN2, 0x00);
snd_soc_write(codec, TABLA_A_CLK_BUFF_EN2, 0x02);
snd_soc_write(codec, TABLA_A_CLK_BUFF_EN1, 0x0D);
usleep_range(1000, 1000);
} else
snd_soc_update_bits(codec, TABLA_A_CLK_BUFF_EN1, 0x08, 0x00);
if (!config_mode && tabla->mbhc_polling_active) {
snd_soc_write(codec, TABLA_A_CLK_BUFF_EN2, 0x02);
tabla_codec_enable_config_mode(codec, 0);
}
snd_soc_update_bits(codec, TABLA_A_CLK_BUFF_EN1, 0x05, 0x05);
snd_soc_update_bits(codec, TABLA_A_CLK_BUFF_EN2, 0x02, 0x00);
snd_soc_update_bits(codec, TABLA_A_CLK_BUFF_EN2, 0x04, 0x04);
snd_soc_update_bits(codec, TABLA_A_CDC_CLK_MCLK_CTL, 0x01, 0x01);
usleep_range(50, 50);
tabla->clock_active = true;
return 0;
}
static void tabla_codec_disable_clock_block(struct snd_soc_codec *codec)
{
struct tabla_priv *tabla = snd_soc_codec_get_drvdata(codec);
pr_debug("%s\n", __func__);
snd_soc_update_bits(codec, TABLA_A_CLK_BUFF_EN2, 0x04, 0x00);
ndelay(160);
snd_soc_update_bits(codec, TABLA_A_CLK_BUFF_EN2, 0x02, 0x02);
snd_soc_update_bits(codec, TABLA_A_CLK_BUFF_EN1, 0x05, 0x00);
tabla->clock_active = false;
}
static void tabla_codec_start_hs_polling(struct snd_soc_codec *codec)
{
snd_soc_write(codec, TABLA_A_MBHC_SCALING_MUX_1, 0x84);
tabla_enable_irq(codec->control_data, TABLA_IRQ_MBHC_POTENTIAL);
tabla_enable_irq(codec->control_data, TABLA_IRQ_MBHC_REMOVAL);
snd_soc_write(codec, TABLA_A_CDC_MBHC_EN_CTL, 0x1);
snd_soc_update_bits(codec, TABLA_A_CDC_MBHC_CLK_CTL, 0x8, 0x0);
snd_soc_write(codec, TABLA_A_CDC_MBHC_EN_CTL, 0x1);
}
static void tabla_codec_calibrate_hs_polling(struct snd_soc_codec *codec)
{
/* TODO store register values in calibration */
snd_soc_write(codec, TABLA_A_CDC_MBHC_VOLT_B10_CTL, 0xFF);
snd_soc_write(codec, TABLA_A_CDC_MBHC_VOLT_B9_CTL, 0x00);
snd_soc_write(codec, TABLA_A_CDC_MBHC_VOLT_B4_CTL, 0x08);
snd_soc_write(codec, TABLA_A_CDC_MBHC_VOLT_B3_CTL, 0xEE);
snd_soc_write(codec, TABLA_A_CDC_MBHC_VOLT_B2_CTL, 0xFC);
snd_soc_write(codec, TABLA_A_CDC_MBHC_VOLT_B1_CTL, 0xCE);
snd_soc_write(codec, TABLA_A_CDC_MBHC_TIMER_B1_CTL, 3);
snd_soc_write(codec, TABLA_A_CDC_MBHC_TIMER_B2_CTL, 9);
snd_soc_write(codec, TABLA_A_CDC_MBHC_TIMER_B3_CTL, 30);
snd_soc_write(codec, TABLA_A_CDC_MBHC_TIMER_B6_CTL, 120);
snd_soc_update_bits(codec, TABLA_A_CDC_MBHC_TIMER_B1_CTL, 0x78, 0x58);
snd_soc_write(codec, TABLA_A_CDC_MBHC_B2_CTL, 11);
}
static void tabla_codec_pause_hs_polling(struct snd_soc_codec *codec)
{
snd_soc_update_bits(codec, TABLA_A_CDC_MBHC_CLK_CTL, 0x8, 0x8);
tabla_disable_irq(codec->control_data, TABLA_IRQ_MBHC_REMOVAL);
tabla_disable_irq(codec->control_data, TABLA_IRQ_MBHC_POTENTIAL);
}
static int tabla_startup(struct snd_pcm_substream *substream,
struct snd_soc_dai *dai)
{
struct snd_soc_codec *codec = dai->codec;
struct tabla_priv *tabla = snd_soc_codec_get_drvdata(codec);
int ret = 0;
pr_debug("%s()\n", __func__);
if (!codec) {
pr_err("Error, no codec found\n");
return -EINVAL;
}
tabla->ref_cnt++;
if (substream->stream == SNDRV_PCM_STREAM_CAPTURE) {
snd_soc_update_bits(codec, TABLA_A_MICB_CFILT_1_VAL, 0xFC,
0xA0);
} else {
tabla->rx_count++;
if (tabla->rx_count == 1)
snd_soc_update_bits(codec, TABLA_A_RX_COM_BIAS, 0x80,
0x80);
}
if (tabla->mbhc_polling_active && (tabla->ref_cnt == 1)) {
tabla_codec_pause_hs_polling(codec);
tabla_codec_enable_bandgap(codec, TABLA_BANDGAP_AUDIO_MODE);
tabla_codec_enable_clock_block(codec, 0);
tabla_codec_calibrate_hs_polling(codec);
tabla_codec_start_hs_polling(codec);
}
return ret;
}
static void tabla_shutdown(struct snd_pcm_substream *substream,
struct snd_soc_dai *dai)
{
struct snd_soc_codec *codec = dai->codec;
struct tabla_priv *tabla = snd_soc_codec_get_drvdata(codec);
pr_debug("%s()\n", __func__);
if (substream->stream == SNDRV_PCM_STREAM_CAPTURE) {
/* Disable LDO */
} else {
tabla->rx_count--;
if (!tabla->rx_count)
snd_soc_update_bits(codec, TABLA_A_RX_COM_BIAS, 0x80,
0x00);
}
if (!tabla->ref_cnt) {
pr_err("Error, trying to shutdown codec when already down\n");
return;
}
tabla->ref_cnt--;
if (tabla->mbhc_polling_active) {
if (!tabla->ref_cnt) {
tabla_codec_pause_hs_polling(codec);
tabla_codec_enable_bandgap(codec,
TABLA_BANDGAP_MBHC_MODE);
snd_soc_update_bits(codec, TABLA_A_RX_COM_BIAS, 0x80,
0x80);
tabla_codec_enable_clock_block(codec, 1);
tabla_codec_calibrate_hs_polling(codec);
tabla_codec_start_hs_polling(codec);
}
snd_soc_update_bits(codec, TABLA_A_CLK_BUFF_EN1, 0x05, 0x01);
}
}
static int tabla_digital_mute(struct snd_soc_dai *codec_dai, int mute)
{
struct snd_soc_codec *codec = codec_dai->codec;
pr_debug("%s %d\n", __func__, mute);
/* TODO mute TX */
if (mute)
snd_soc_update_bits(codec, TABLA_A_CDC_RX1_B6_CTL, 0x01, 0x01);
else
snd_soc_update_bits(codec, TABLA_A_CDC_RX1_B6_CTL, 0x01, 0x00);
return 0;
}
static int tabla_set_dai_sysclk(struct snd_soc_dai *dai,
int clk_id, unsigned int freq, int dir)
{
pr_debug("%s\n", __func__);
return 0;
}
static int tabla_set_dai_fmt(struct snd_soc_dai *dai, unsigned int fmt)
{
pr_debug("%s\n", __func__);
return 0;
}
static int tabla_hw_params(struct snd_pcm_substream *substream,
struct snd_pcm_hw_params *params,
struct snd_soc_dai *dai)
{
pr_debug("%s: DAI-ID %x\n", __func__, dai->id);
return 0;
}
static struct snd_soc_dai_ops tabla_dai_ops = {
.startup = tabla_startup,
.shutdown = tabla_shutdown,
.hw_params = tabla_hw_params,
.set_sysclk = tabla_set_dai_sysclk,
.set_fmt = tabla_set_dai_fmt,
.digital_mute = tabla_digital_mute,
};
static struct snd_soc_dai_driver tabla_dai[] = {
{
.name = "tabla_rx1",
.id = 1,
.playback = {
.stream_name = "AIF1 Playback",
.rates = SNDRV_PCM_RATE_8000_48000,
.formats = TABLA_FORMATS,
.rate_max = 48000,
.rate_min = 8000,
.channels_min = 1,
.channels_max = 2,
},
.ops = &tabla_dai_ops,
},
{
.name = "tabla_tx1",
.id = 2,
.capture = {
.stream_name = "AIF1 Capture",
.rates = SNDRV_PCM_RATE_8000_48000,
.formats = TABLA_FORMATS,
.rate_max = 48000,
.rate_min = 8000,
.channels_min = 1,
.channels_max = 2,
},
.ops = &tabla_dai_ops,
},
};
static short tabla_codec_measure_micbias_voltage(struct snd_soc_codec *codec,
int dce)
{
u8 bias_msb, bias_lsb;
short bias_value;
if (dce) {
bias_msb = snd_soc_read(codec, TABLA_A_CDC_MBHC_B5_STATUS);
bias_lsb = snd_soc_read(codec, TABLA_A_CDC_MBHC_B4_STATUS);
} else {
snd_soc_write(codec, TABLA_A_CDC_MBHC_EN_CTL, 0x2);
snd_soc_update_bits(codec, TABLA_A_CDC_MBHC_CLK_CTL, 0x8, 0x0);
msleep(100);
snd_soc_write(codec, TABLA_A_CDC_MBHC_EN_CTL, 0x2);
bias_msb = snd_soc_read(codec, TABLA_A_CDC_MBHC_B3_STATUS);
bias_lsb = snd_soc_read(codec, TABLA_A_CDC_MBHC_B2_STATUS);
}
snd_soc_update_bits(codec, TABLA_A_CDC_MBHC_CLK_CTL, 0x8, 0x8);
snd_soc_write(codec, TABLA_A_CDC_MBHC_EN_CTL, 0x0);
bias_value = (bias_msb << 8) | bias_lsb;
pr_debug("read microphone bias value %x\n", bias_value);
return bias_value;
}
static int tabla_codec_setup_hs_polling(struct snd_soc_codec *codec)
{
struct tabla_priv *tabla = snd_soc_codec_get_drvdata(codec);
struct tabla_mbhc_calibration *calibration = tabla->calibration;
int micbias_ctl_reg, micbias_cfilt_val_reg, micbias_cfilt_ctl_reg,
micbias_mbhc_reg;
short bias_value, threshold_no_mic;
if (!calibration) {
pr_err("Error, no tabla calibration\n");
return -ENODEV;
}
tabla->mbhc_polling_active = true;
if (!tabla->ref_cnt) {
tabla_codec_enable_bandgap(codec, TABLA_BANDGAP_MBHC_MODE);
snd_soc_update_bits(codec, TABLA_A_RX_COM_BIAS, 0x80, 0x80);
tabla_codec_enable_clock_block(codec, 1);
}
snd_soc_update_bits(codec, TABLA_A_CLK_BUFF_EN1, 0x05, 0x01);
snd_soc_update_bits(codec, TABLA_A_LDO_H_MODE_1, 0x0F, 0x0D);
snd_soc_update_bits(codec, TABLA_A_TX_COM_BIAS, 0xE0, 0xE0);
/* TODO select cfilt separately from the micbias line inside the machine
* driver
*/
switch (calibration->bias) {
case TABLA_MICBIAS1:
micbias_ctl_reg = TABLA_A_MICB_1_CTL;
micbias_cfilt_ctl_reg = TABLA_A_MICB_CFILT_1_CTL;
micbias_cfilt_val_reg = TABLA_A_MICB_CFILT_1_VAL;
micbias_mbhc_reg = TABLA_A_MICB_1_MBHC;
break;
case TABLA_MICBIAS2:
micbias_ctl_reg = TABLA_A_MICB_2_CTL;
micbias_cfilt_ctl_reg = TABLA_A_MICB_CFILT_2_CTL;
micbias_cfilt_val_reg = TABLA_A_MICB_CFILT_2_VAL;
micbias_mbhc_reg = TABLA_A_MICB_2_MBHC;
break;
case TABLA_MICBIAS3:
micbias_ctl_reg = TABLA_A_MICB_3_CTL;
micbias_cfilt_ctl_reg = TABLA_A_MICB_CFILT_3_CTL;
micbias_cfilt_val_reg = TABLA_A_MICB_CFILT_3_VAL;
micbias_mbhc_reg = TABLA_A_MICB_3_MBHC;
break;
case TABLA_MICBIAS4:
pr_err("%s: Error, microphone bias 4 not supported\n",
__func__);
return -EINVAL;
default:
pr_err("Error, invalid mic bias line\n");
return -EINVAL;
}
snd_soc_write(codec, micbias_cfilt_ctl_reg, 0x40);
snd_soc_update_bits(codec, micbias_ctl_reg, 0x1F, 0x16);
snd_soc_update_bits(codec, micbias_ctl_reg, 0x60,
calibration->bias << 5);
snd_soc_write(codec, micbias_cfilt_val_reg, 0x68);
snd_soc_update_bits(codec, TABLA_A_CDC_MBHC_CLK_CTL, 0x2, 0x2);
snd_soc_write(codec, TABLA_A_MBHC_SCALING_MUX_1, 0x84);
snd_soc_update_bits(codec, TABLA_A_TX_7_MBHC_EN, 0x80, 0x80);
snd_soc_update_bits(codec, TABLA_A_TX_7_MBHC_EN, 0x1F, 0x1C);
snd_soc_update_bits(codec, TABLA_A_TX_7_MBHC_TEST_CTL, 0x40, 0x40);
snd_soc_update_bits(codec, TABLA_A_TX_7_MBHC_EN, 0x80, 0x00);
snd_soc_update_bits(codec, TABLA_A_CDC_MBHC_CLK_CTL, 0x8, 0x8);
snd_soc_update_bits(codec, TABLA_A_CDC_MBHC_CLK_CTL, 0x8, 0x00);
snd_soc_update_bits(codec, TABLA_A_CDC_MBHC_B1_CTL, 0x6, 0x6);
snd_soc_update_bits(codec, TABLA_A_CDC_MBHC_CLK_CTL, 0x8, 0x8);
snd_soc_update_bits(codec, micbias_mbhc_reg, 0x10, 0x00);
snd_soc_update_bits(codec, TABLA_A_MBHC_HPH, 0x13, 0x01);
tabla_codec_calibrate_hs_polling(codec);
bias_value = tabla_codec_measure_micbias_voltage(codec, 0);
threshold_no_mic = 0xF7F6;
if (bias_value < threshold_no_mic) {
pr_debug("headphone detected, micbias %x\n", bias_value);
return 0;
} else {
pr_debug("headset detected, micbias %x\n", bias_value);
return 1;
}
}
static int tabla_codec_enable_hs_detect(struct snd_soc_codec *codec,
int insertion)
{
struct tabla_priv *tabla = snd_soc_codec_get_drvdata(codec);
struct tabla_mbhc_calibration *calibration = tabla->calibration;
int central_bias_enabled = 0;
int micbias_int_reg, micbias_ctl_reg, micbias_mbhc_reg;
if (!calibration) {
pr_err("Error, no tabla calibration\n");
return -EINVAL;
}
snd_soc_update_bits(codec, TABLA_A_CDC_MBHC_INT_CTL, 0x1, 0);
if (insertion)
snd_soc_update_bits(codec, TABLA_A_CDC_MBHC_INT_CTL, 0x2, 0);
else
snd_soc_update_bits(codec, TABLA_A_CDC_MBHC_INT_CTL, 0x2, 0x2);
if (snd_soc_read(codec, TABLA_A_CDC_MBHC_B1_CTL) & 0x4) {
if (!(tabla->clock_active)) {
tabla_codec_enable_config_mode(codec, 1);
snd_soc_update_bits(codec, TABLA_A_CDC_MBHC_B1_CTL,
0x06, 0);
usleep_range(calibration->shutdown_plug_removal,
calibration->shutdown_plug_removal);
tabla_codec_enable_config_mode(codec, 0);
} else
snd_soc_update_bits(codec, TABLA_A_CDC_MBHC_B1_CTL,
0x06, 0);
}
snd_soc_update_bits(codec, TABLA_A_MBHC_HPH, 0xC,
calibration->hph_current << 2);
snd_soc_update_bits(codec, TABLA_A_MBHC_HPH, 0x13, 0x13);
switch (calibration->bias) {
case TABLA_MICBIAS1:
micbias_mbhc_reg = TABLA_A_MICB_1_MBHC;
micbias_int_reg = TABLA_A_MICB_1_INT_RBIAS;
micbias_ctl_reg = TABLA_A_MICB_1_CTL;
break;
case TABLA_MICBIAS2:
micbias_mbhc_reg = TABLA_A_MICB_2_MBHC;
micbias_int_reg = TABLA_A_MICB_2_INT_RBIAS;
micbias_ctl_reg = TABLA_A_MICB_2_CTL;
break;
case TABLA_MICBIAS3:
micbias_mbhc_reg = TABLA_A_MICB_3_MBHC;
micbias_int_reg = TABLA_A_MICB_3_INT_RBIAS;
micbias_ctl_reg = TABLA_A_MICB_3_CTL;
break;
case TABLA_MICBIAS4:
micbias_mbhc_reg = TABLA_A_MICB_4_MBHC;
micbias_int_reg = TABLA_A_MICB_4_INT_RBIAS;
micbias_ctl_reg = TABLA_A_MICB_4_CTL;
break;
default:
pr_err("Error, invalid mic bias line\n");
return -EINVAL;
}
snd_soc_update_bits(codec, micbias_int_reg, 0x80, 0);
snd_soc_update_bits(codec, micbias_ctl_reg, 0x1, 0);
/* If central bandgap disabled */
if (!(snd_soc_read(codec, TABLA_A_PIN_CTL_OE1) & 1)) {
snd_soc_update_bits(codec, TABLA_A_PIN_CTL_OE1, 0x3, 0x3);
usleep_range(calibration->bg_fast_settle,
calibration->bg_fast_settle);
central_bias_enabled = 1;
}
/* If LDO_H disabled */
if (snd_soc_read(codec, TABLA_A_PIN_CTL_OE0) & 0x80) {
snd_soc_update_bits(codec, TABLA_A_PIN_CTL_OE0, 0x10, 0);
snd_soc_update_bits(codec, TABLA_A_PIN_CTL_OE0, 0x80, 0x80);
usleep_range(calibration->tldoh, calibration->tldoh);
snd_soc_update_bits(codec, TABLA_A_PIN_CTL_OE0, 0x80, 0);
if (central_bias_enabled)
snd_soc_update_bits(codec, TABLA_A_PIN_CTL_OE1, 0x1, 0);
}
snd_soc_update_bits(codec, micbias_mbhc_reg, 0x60,
calibration->mic_current << 5);
snd_soc_update_bits(codec, micbias_mbhc_reg, 0x80, 0x80);
usleep_range(calibration->mic_pid, calibration->mic_pid);
snd_soc_update_bits(codec, micbias_mbhc_reg, 0x10, 0x10);
snd_soc_update_bits(codec, TABLA_A_MICB_4_MBHC, 0x3, calibration->bias);
tabla_enable_irq(codec->control_data, TABLA_IRQ_MBHC_INSERTION);
snd_soc_update_bits(codec, TABLA_A_CDC_MBHC_INT_CTL, 0x1, 0x1);
return 0;
}
int tabla_hs_detect(struct snd_soc_codec *codec,
struct snd_soc_jack *headset_jack, struct snd_soc_jack *button_jack,
struct tabla_mbhc_calibration *calibration)
{
struct tabla_priv *tabla;
if (!codec || !calibration) {
pr_err("Error: no codec or calibration\n");
return -EINVAL;
}
tabla = snd_soc_codec_get_drvdata(codec);
tabla->headset_jack = headset_jack;
tabla->button_jack = button_jack;
tabla->calibration = calibration;
return tabla_codec_enable_hs_detect(codec, 1);
}
EXPORT_SYMBOL_GPL(tabla_hs_detect);
static irqreturn_t tabla_dce_handler(int irq, void *data)
{
struct tabla_priv *priv = data;
struct snd_soc_codec *codec = priv->codec;
tabla_disable_irq(codec->control_data, TABLA_IRQ_MBHC_REMOVAL);
tabla_disable_irq(codec->control_data, TABLA_IRQ_MBHC_POTENTIAL);
pr_debug("%s: Button pressed\n", __func__);
if (priv->button_jack)
snd_soc_jack_report(priv->button_jack, SND_JACK_BTN_0,
SND_JACK_BTN_0);
priv->buttons_pressed |= SND_JACK_BTN_0;
snd_soc_write(codec, TABLA_A_CDC_MBHC_VOLT_B4_CTL,
0x09);
usleep_range(100000, 100000);
return IRQ_HANDLED;
}
static irqreturn_t tabla_release_handler(int irq, void *data)
{
struct tabla_priv *priv = data;
struct snd_soc_codec *codec = priv->codec;
if (priv->buttons_pressed & SND_JACK_BTN_0) {
pr_debug("%s: Button released\n", __func__);
if (priv->button_jack)
snd_soc_jack_report(priv->button_jack, 0,
SND_JACK_BTN_0);
priv->buttons_pressed &= ~SND_JACK_BTN_0;
snd_soc_write(codec, TABLA_A_CDC_MBHC_VOLT_B4_CTL,
0x08);
tabla_codec_start_hs_polling(codec);
}
return IRQ_HANDLED;
}
static void tabla_codec_shutdown_hs_removal_detect(struct snd_soc_codec *codec)
{
struct tabla_priv *tabla = snd_soc_codec_get_drvdata(codec);
struct tabla_mbhc_calibration *calibration = tabla->calibration;
int micbias_mbhc_reg;
if (!tabla->ref_cnt && !tabla->mbhc_polling_active)
tabla_codec_enable_config_mode(codec, 1);
snd_soc_update_bits(codec, TABLA_A_CDC_MBHC_CLK_CTL, 0x2, 0x2);
snd_soc_update_bits(codec, TABLA_A_CDC_MBHC_B1_CTL, 0x6, 0x0);
snd_soc_update_bits(codec, TABLA_A_MBHC_HPH, 0x13, 0x0);
switch (calibration->bias) {
case TABLA_MICBIAS1:
micbias_mbhc_reg = TABLA_A_MICB_1_MBHC;
break;
case TABLA_MICBIAS2:
micbias_mbhc_reg = TABLA_A_MICB_2_MBHC;
break;
case TABLA_MICBIAS3:
micbias_mbhc_reg = TABLA_A_MICB_3_MBHC;
break;
case TABLA_MICBIAS4:
micbias_mbhc_reg = TABLA_A_MICB_4_MBHC;
break;
default:
pr_err("Error, invalid mic bias line\n");
return;
}
snd_soc_update_bits(codec, micbias_mbhc_reg, 0x80, 0x00);
snd_soc_update_bits(codec, micbias_mbhc_reg, 0x10, 0x00);
usleep_range(calibration->shutdown_plug_removal,
calibration->shutdown_plug_removal);
snd_soc_update_bits(codec, TABLA_A_CDC_MBHC_CLK_CTL, 0xA, 0x8);
if (!tabla->ref_cnt && !tabla->mbhc_polling_active)
tabla_codec_enable_config_mode(codec, 0);
snd_soc_write(codec, TABLA_A_MBHC_SCALING_MUX_1, 0x00);
}
static void tabla_codec_shutdown_hs_polling(struct snd_soc_codec *codec)
{
struct tabla_priv *tabla = snd_soc_codec_get_drvdata(codec);
tabla_codec_shutdown_hs_removal_detect(codec);
if (!tabla->ref_cnt) {
snd_soc_update_bits(codec, TABLA_A_TX_COM_BIAS, 0xE0, 0x00);
tabla_codec_enable_bandgap(codec, TABLA_BANDGAP_AUDIO_MODE);
tabla_codec_enable_clock_block(codec, 0);
}
tabla->mbhc_polling_active = false;
}
static irqreturn_t tabla_hs_insert_irq(int irq, void *data)
{
struct tabla_priv *priv = data;
struct snd_soc_codec *codec = priv->codec;
int microphone_present;
tabla_disable_irq(codec->control_data, TABLA_IRQ_MBHC_INSERTION);
usleep_range(priv->calibration->setup_plug_removal_delay,
priv->calibration->setup_plug_removal_delay);
if (snd_soc_read(codec, TABLA_A_CDC_MBHC_INT_CTL) & 0x02) {
if (priv->headset_jack) {
pr_debug("%s: Reporting removal\n", __func__);
snd_soc_jack_report(priv->headset_jack, 0,
SND_JACK_HEADSET);
}
tabla_codec_shutdown_hs_removal_detect(codec);
tabla_codec_enable_hs_detect(codec, 1);
return IRQ_HANDLED;
}
microphone_present = tabla_codec_setup_hs_polling(codec);
if (microphone_present == 0) {
if (priv->headset_jack) {
pr_debug("%s: Reporting insertion %d\n", __func__,
SND_JACK_HEADPHONE);
snd_soc_jack_report(priv->headset_jack,
SND_JACK_HEADPHONE, SND_JACK_HEADSET);
}
tabla_codec_shutdown_hs_polling(codec);
tabla_codec_enable_hs_detect(codec, 0);
} else if (microphone_present == 1) {
if (priv->headset_jack) {
pr_debug("%s: Reporting insertion %d\n", __func__,
SND_JACK_HEADSET);
snd_soc_jack_report(priv->headset_jack,
SND_JACK_HEADSET, SND_JACK_HEADSET);
}
tabla_codec_start_hs_polling(codec);
}
return IRQ_HANDLED;
}
static irqreturn_t tabla_hs_remove_irq(int irq, void *data)
{
struct tabla_priv *priv = data;
struct snd_soc_codec *codec = priv->codec;
tabla_disable_irq(codec->control_data, TABLA_IRQ_MBHC_REMOVAL);
tabla_disable_irq(codec->control_data, TABLA_IRQ_MBHC_POTENTIAL);
usleep_range(priv->calibration->shutdown_plug_removal,
priv->calibration->shutdown_plug_removal);
if (priv->headset_jack) {
pr_debug("%s: Reporting removal\n", __func__);
snd_soc_jack_report(priv->headset_jack, 0, SND_JACK_HEADSET);
}
tabla_codec_shutdown_hs_polling(codec);
tabla_codec_enable_hs_detect(codec, 1);
return IRQ_HANDLED;
}
static unsigned long slimbus_value;
static irqreturn_t tabla_slimbus_irq(int irq, void *data)
{
struct tabla_priv *priv = data;
struct snd_soc_codec *codec = priv->codec;
int i, j;
u8 val;
for (i = 0; i < TABLA_SLIM_NUM_PORT_REG; i++) {
slimbus_value = tabla_interface_reg_read(codec->control_data,
TABLA_SLIM_PGD_PORT_INT_STATUS0 + i);
for_each_set_bit(j, &slimbus_value, BITS_PER_BYTE) {
val = tabla_interface_reg_read(codec->control_data,
TABLA_SLIM_PGD_PORT_INT_SOURCE0 + i*8 + j);
if (val & 0x1)
pr_err_ratelimited("overflow error on port %x,"
" value %x\n", i*8 + j, val);
if (val & 0x2)
pr_err_ratelimited("underflow error on port %x,"
" value %x\n", i*8 + j, val);
}
tabla_interface_reg_write(codec->control_data,
TABLA_SLIM_PGD_PORT_INT_CLR0 + i, 0xFF);
}
return IRQ_HANDLED;
}
static int tabla_codec_probe(struct snd_soc_codec *codec)
{
struct tabla *control;
struct tabla_priv *tabla;
struct snd_soc_dapm_context *dapm = &codec->dapm;
int ret = 0;
int i;
int tx_channel;
codec->control_data = dev_get_drvdata(codec->dev->parent);
control = codec->control_data;
tabla = kzalloc(sizeof(struct tabla_priv), GFP_KERNEL);
if (!tabla) {
dev_err(codec->dev, "Failed to allocate private data\n");
return -ENOMEM;
}
snd_soc_codec_set_drvdata(codec, tabla);
tabla->ref_cnt = 0;
tabla->bandgap_type = TABLA_BANDGAP_OFF;
tabla->clock_active = false;
tabla->config_mode_active = false;
tabla->mbhc_polling_active = false;
tabla->codec = codec;
/* TODO only enable bandgap when necessary in order to save power */
tabla_codec_enable_bandgap(codec, TABLA_BANDGAP_AUDIO_MODE);
tabla_codec_enable_clock_block(codec, 0);
/* Initialize gain registers to use register gain */
snd_soc_update_bits(codec, TABLA_A_RX_HPH_L_GAIN, 0x10, 0x10);
snd_soc_update_bits(codec, TABLA_A_RX_HPH_R_GAIN, 0x10, 0x10);
snd_soc_update_bits(codec, TABLA_A_RX_LINE_1_GAIN, 0x10, 0x10);
snd_soc_update_bits(codec, TABLA_A_RX_LINE_3_GAIN, 0x10, 0x10);
/* Initialize mic biases to differential mode */
snd_soc_update_bits(codec, TABLA_A_MICB_1_INT_RBIAS, 0x24, 0x24);
snd_soc_update_bits(codec, TABLA_A_MICB_2_INT_RBIAS, 0x24, 0x24);
snd_soc_update_bits(codec, TABLA_A_MICB_3_INT_RBIAS, 0x24, 0x24);
snd_soc_update_bits(codec, TABLA_A_MICB_4_INT_RBIAS, 0x24, 0x24);
/* Set headset CFILT to fast mode */
snd_soc_update_bits(codec, TABLA_A_MICB_CFILT_1_CTL, 0x00, 0x00);
snd_soc_update_bits(codec, TABLA_A_MICB_CFILT_2_CTL, 0x00, 0x00);
snd_soc_update_bits(codec, TABLA_A_MICB_CFILT_3_CTL, 0x00, 0x00);
snd_soc_update_bits(codec, TABLA_A_CDC_CONN_CLSG_CTL, 0x30, 0x10);
/* Use 16 bit sample size for now */
for (tx_channel = 0; tx_channel < 6; tx_channel++) {
snd_soc_update_bits(codec,
TABLA_A_CDC_CONN_TX_SB_B1_CTL + tx_channel, 0x30, 0x20);
snd_soc_update_bits(codec,
TABLA_A_CDC_TX1_MUX_CTL + (tx_channel * 8), 0x8, 0x0);
}
for (tx_channel = 6; tx_channel < 10; tx_channel++) {
snd_soc_update_bits(codec,
TABLA_A_CDC_CONN_TX_SB_B1_CTL + tx_channel, 0x60, 0x40);
snd_soc_update_bits(codec,
TABLA_A_CDC_TX1_MUX_CTL + (tx_channel * 8), 0x8, 0x0);
}
snd_soc_write(codec, TABLA_A_CDC_CONN_RX_SB_B1_CTL, 0xAA);
snd_soc_write(codec, TABLA_A_CDC_CONN_RX_SB_B2_CTL, 0xAA);
snd_soc_add_controls(codec, tabla_snd_controls,
ARRAY_SIZE(tabla_snd_controls));
snd_soc_dapm_new_controls(dapm, tabla_dapm_widgets,
ARRAY_SIZE(tabla_dapm_widgets));
snd_soc_dapm_add_routes(dapm, audio_map, ARRAY_SIZE(audio_map));
snd_soc_dapm_sync(dapm);
ret = tabla_request_irq(codec->control_data, TABLA_IRQ_MBHC_INSERTION,
tabla_hs_insert_irq, "Headset insert detect", tabla);
if (ret) {
pr_err("%s: Failed to request irq %d\n", __func__,
TABLA_IRQ_MBHC_INSERTION);
goto err_insert_irq;
}
tabla_disable_irq(codec->control_data, TABLA_IRQ_MBHC_INSERTION);
ret = tabla_request_irq(codec->control_data, TABLA_IRQ_MBHC_REMOVAL,
tabla_hs_remove_irq, "Headset remove detect", tabla);
if (ret) {
pr_err("%s: Failed to request irq %d\n", __func__,
TABLA_IRQ_MBHC_REMOVAL);
goto err_remove_irq;
}
tabla_disable_irq(codec->control_data, TABLA_IRQ_MBHC_REMOVAL);
ret = tabla_request_irq(codec->control_data, TABLA_IRQ_MBHC_POTENTIAL,
tabla_dce_handler, "DC Estimation detect", tabla);
if (ret) {
pr_err("%s: Failed to request irq %d\n", __func__,
TABLA_IRQ_MBHC_POTENTIAL);
goto err_potential_irq;
}
tabla_disable_irq(codec->control_data, TABLA_IRQ_MBHC_POTENTIAL);
ret = tabla_request_irq(codec->control_data, TABLA_IRQ_MBHC_RELEASE,
tabla_release_handler, "Button Release detect", tabla);
if (ret) {
pr_err("%s: Failed to request irq %d\n", __func__,
TABLA_IRQ_MBHC_RELEASE);
goto err_release_irq;
}
ret = tabla_request_irq(codec->control_data, TABLA_IRQ_SLIMBUS,
tabla_slimbus_irq, "SLIMBUS Slave", tabla);
if (ret) {
pr_err("%s: Failed to request irq %d\n", __func__,
TABLA_IRQ_SLIMBUS);
goto err_slimbus_irq;
}
for (i = 0; i < TABLA_SLIM_NUM_PORT_REG; i++)
tabla_interface_reg_write(codec->control_data,
TABLA_SLIM_PGD_PORT_INT_EN0 + i, 0xFF);
return ret;
err_slimbus_irq:
tabla_free_irq(codec->control_data, TABLA_IRQ_MBHC_RELEASE, tabla);
err_release_irq:
tabla_free_irq(codec->control_data, TABLA_IRQ_MBHC_POTENTIAL, tabla);
err_potential_irq:
tabla_free_irq(codec->control_data, TABLA_IRQ_MBHC_REMOVAL, tabla);
err_remove_irq:
tabla_free_irq(codec->control_data, TABLA_IRQ_MBHC_INSERTION, tabla);
err_insert_irq:
kfree(tabla);
return ret;
}
static int tabla_codec_remove(struct snd_soc_codec *codec)
{
struct tabla_priv *tabla = snd_soc_codec_get_drvdata(codec);
tabla_free_irq(codec->control_data, TABLA_IRQ_SLIMBUS, tabla);
tabla_free_irq(codec->control_data, TABLA_IRQ_MBHC_RELEASE, tabla);
tabla_free_irq(codec->control_data, TABLA_IRQ_MBHC_POTENTIAL, tabla);
tabla_free_irq(codec->control_data, TABLA_IRQ_MBHC_REMOVAL, tabla);
tabla_free_irq(codec->control_data, TABLA_IRQ_MBHC_INSERTION, tabla);
tabla_codec_disable_clock_block(codec);
tabla_codec_enable_bandgap(codec, TABLA_BANDGAP_OFF);
kfree(tabla);
return 0;
}
static struct snd_soc_codec_driver soc_codec_dev_tabla = {
.probe = tabla_codec_probe,
.remove = tabla_codec_remove,
.read = tabla_read,
.write = tabla_write,
.readable_register = tabla_readable,
.volatile_register = tabla_volatile,
.reg_cache_size = TABLA_CACHE_SIZE,
.reg_cache_default = tabla_reg_defaults,
.reg_word_size = 1,
};
static int __devinit tabla_probe(struct platform_device *pdev)
{
return snd_soc_register_codec(&pdev->dev, &soc_codec_dev_tabla,
tabla_dai, ARRAY_SIZE(tabla_dai));
}
static int __devexit tabla_remove(struct platform_device *pdev)
{
snd_soc_unregister_codec(&pdev->dev);
return 0;
}
static struct platform_driver tabla_codec_driver = {
.probe = tabla_probe,
.remove = tabla_remove,
.driver = {
.name = "tabla_codec",
.owner = THIS_MODULE,
},
};
static int __init tabla_codec_init(void)
{
return platform_driver_register(&tabla_codec_driver);
}
static void __exit tabla_codec_exit(void)
{
platform_driver_unregister(&tabla_codec_driver);
}
module_init(tabla_codec_init);
module_exit(tabla_codec_exit);
MODULE_DESCRIPTION("Tabla codec driver");
MODULE_VERSION("1.0");
MODULE_LICENSE("GPL v2");