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gerrit-public.fairphone.software / kernel / msm / b86c3477a80290e8b7d0b98e8e0c77da41fd5f6b / . / sound / soc / codecs / wcd9304.c
blob: 1d93d7ac963a628a37bb04d85c70d3ce21fe27d4 [file] [log] [blame]
/* Copyright (c) 2012, 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/device.h>
#include <linux/printk.h>
#include <linux/ratelimit.h>
#include <linux/debugfs.h>
#include <linux/mfd/wcd9xxx/core.h>
#include <linux/mfd/wcd9xxx/wcd9xxx_registers.h>
#include <linux/mfd/wcd9xxx/wcd9304_registers.h>
#include <linux/mfd/wcd9xxx/pdata.h>
#include <sound/pcm.h>
#include <sound/pcm_params.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 "wcd9304.h"
#define WCD9304_RATES (SNDRV_PCM_RATE_8000|SNDRV_PCM_RATE_16000|\
SNDRV_PCM_RATE_32000|SNDRV_PCM_RATE_48000)
#define NUM_DECIMATORS 4
#define NUM_INTERPOLATORS 3
#define BITS_PER_REG 8
#define AIF1_PB 1
#define AIF1_CAP 2
#define NUM_CODEC_DAIS 2
struct sitar_codec_dai_data {
u32 rate;
u32 *ch_num;
u32 ch_act;
u32 ch_tot;
};
#define SITAR_CFILT_FAST_MODE 0x00
#define SITAR_CFILT_SLOW_MODE 0x40
#define SITAR_JACK_MASK (SND_JACK_HEADSET | SND_JACK_OC_HPHL | SND_JACK_OC_HPHR)
#define SITAR_I2S_MASTER_MODE_MASK 0x08
#define SITAR_OCP_ATTEMPT 1
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);
static struct snd_soc_dai_driver sitar_dai[];
static int sitar_codec_enable_slimtx(struct snd_soc_dapm_widget *w,
struct snd_kcontrol *kcontrol, int event);
static int sitar_codec_enable_slimrx(struct snd_soc_dapm_widget *w,
struct snd_kcontrol *kcontrol, int event);
enum sitar_bandgap_type {
SITAR_BANDGAP_OFF = 0,
SITAR_BANDGAP_AUDIO_MODE,
SITAR_BANDGAP_MBHC_MODE,
};
struct mbhc_micbias_regs {
u16 cfilt_val;
u16 cfilt_ctl;
u16 mbhc_reg;
u16 int_rbias;
u16 ctl_reg;
u8 cfilt_sel;
};
/* Codec supports 2 IIR filters */
enum {
IIR1 = 0,
IIR2,
IIR_MAX,
};
/* Codec supports 5 bands */
enum {
BAND1 = 0,
BAND2,
BAND3,
BAND4,
BAND5,
BAND_MAX,
};
/* Flags to track of PA and DAC state.
* PA and DAC should be tracked separately as AUXPGA loopback requires
* only PA to be turned on without DAC being on. */
enum sitar_priv_ack_flags {
SITAR_HPHL_PA_OFF_ACK = 0,
SITAR_HPHR_PA_OFF_ACK,
SITAR_HPHL_DAC_OFF_ACK,
SITAR_HPHR_DAC_OFF_ACK
};
struct sitar_priv {
struct snd_soc_codec *codec;
u32 adc_count;
u32 cfilt1_cnt;
u32 cfilt2_cnt;
u32 cfilt3_cnt;
u32 rx_bias_count;
enum sitar_bandgap_type bandgap_type;
bool mclk_enabled;
bool clock_active;
bool config_mode_active;
bool mbhc_polling_active;
bool fake_insert_context;
int buttons_pressed;
struct sitar_mbhc_calibration *calibration;
struct snd_soc_jack *headset_jack;
struct snd_soc_jack *button_jack;
struct wcd9xxx_pdata *pdata;
u32 anc_slot;
bool no_mic_headset_override;
/* Delayed work to report long button press */
struct delayed_work btn0_dwork;
struct mbhc_micbias_regs mbhc_bias_regs;
u8 cfilt_k_value;
bool mbhc_micbias_switched;
/* track PA/DAC state */
unsigned long hph_pa_dac_state;
/*track sitar interface type*/
u8 intf_type;
u32 hph_status; /* track headhpone status */
/* define separate work for left and right headphone OCP to avoid
* additional checking on which OCP event to report so no locking
* to ensure synchronization is required
*/
struct work_struct hphlocp_work; /* reporting left hph ocp off */
struct work_struct hphrocp_work; /* reporting right hph ocp off */
/* pm_cnt holds number of sleep lock holders + 1
* so if pm_cnt is 1 system is sleep-able. */
atomic_t pm_cnt;
wait_queue_head_t pm_wq;
u8 hphlocp_cnt; /* headphone left ocp retry */
u8 hphrocp_cnt; /* headphone right ocp retry */
/* num of slim ports required */
struct sitar_codec_dai_data dai[NUM_CODEC_DAIS];
};
#ifdef CONFIG_DEBUG_FS
struct sitar_priv *debug_sitar_priv;
#endif
static int sitar_pa_gain_get(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
u8 ear_pa_gain;
struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
ear_pa_gain = snd_soc_read(codec, SITAR_A_RX_EAR_GAIN);
ear_pa_gain = ear_pa_gain >> 5;
if (ear_pa_gain == 0x00) {
ucontrol->value.integer.value[0] = 0;
} else if (ear_pa_gain == 0x04) {
ucontrol->value.integer.value[0] = 1;
} else {
pr_err("%s: ERROR: Unsupported Ear Gain = 0x%x\n",
__func__, ear_pa_gain);
return -EINVAL;
}
pr_err("%s: ear_pa_gain = 0x%x\n", __func__, ear_pa_gain);
return 0;
}
static int sitar_pa_gain_put(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
u8 ear_pa_gain;
struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
pr_debug("%s: ucontrol->value.integer.value[0] = %ld\n", __func__,
ucontrol->value.integer.value[0]);
switch (ucontrol->value.integer.value[0]) {
case 0:
ear_pa_gain = 0x00;
break;
case 1:
ear_pa_gain = 0x80;
break;
default:
return -EINVAL;
}
snd_soc_write(codec, SITAR_A_RX_EAR_GAIN, ear_pa_gain);
return 0;
}
static int sitar_get_iir_enable_audio_mixer(
struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
int iir_idx = ((struct soc_multi_mixer_control *)
kcontrol->private_value)->reg;
int band_idx = ((struct soc_multi_mixer_control *)
kcontrol->private_value)->shift;
ucontrol->value.integer.value[0] =
snd_soc_read(codec, (SITAR_A_CDC_IIR1_CTL + 16 * iir_idx)) &
(1 << band_idx);
pr_err("%s: IIR #%d band #%d enable %d\n", __func__,
iir_idx, band_idx,
(uint32_t)ucontrol->value.integer.value[0]);
return 0;
}
static int sitar_put_iir_enable_audio_mixer(
struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
int iir_idx = ((struct soc_multi_mixer_control *)
kcontrol->private_value)->reg;
int band_idx = ((struct soc_multi_mixer_control *)
kcontrol->private_value)->shift;
int value = ucontrol->value.integer.value[0];
/* Mask first 5 bits, 6-8 are reserved */
snd_soc_update_bits(codec, (SITAR_A_CDC_IIR1_CTL + 16 * iir_idx),
(1 << band_idx), (value << band_idx));
pr_err("%s: IIR #%d band #%d enable %d\n", __func__,
iir_idx, band_idx, value);
return 0;
}
static uint32_t get_iir_band_coeff(struct snd_soc_codec *codec,
int iir_idx, int band_idx,
int coeff_idx)
{
/* Address does not automatically update if reading */
snd_soc_update_bits(codec,
(SITAR_A_CDC_IIR1_COEF_B1_CTL + 16 * iir_idx),
0x1F, band_idx * BAND_MAX + coeff_idx);
/* Mask bits top 2 bits since they are reserved */
return ((snd_soc_read(codec,
(SITAR_A_CDC_IIR1_COEF_B2_CTL + 16 * iir_idx)) << 24) |
(snd_soc_read(codec,
(SITAR_A_CDC_IIR1_COEF_B3_CTL + 16 * iir_idx)) << 16) |
(snd_soc_read(codec,
(SITAR_A_CDC_IIR1_COEF_B4_CTL + 16 * iir_idx)) << 8) |
(snd_soc_read(codec,
(SITAR_A_CDC_IIR1_COEF_B5_CTL + 16 * iir_idx)))) &
0x3FFFFFFF;
}
static int sitar_get_iir_band_audio_mixer(
struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
int iir_idx = ((struct soc_multi_mixer_control *)
kcontrol->private_value)->reg;
int band_idx = ((struct soc_multi_mixer_control *)
kcontrol->private_value)->shift;
ucontrol->value.integer.value[0] =
get_iir_band_coeff(codec, iir_idx, band_idx, 0);
ucontrol->value.integer.value[1] =
get_iir_band_coeff(codec, iir_idx, band_idx, 1);
ucontrol->value.integer.value[2] =
get_iir_band_coeff(codec, iir_idx, band_idx, 2);
ucontrol->value.integer.value[3] =
get_iir_band_coeff(codec, iir_idx, band_idx, 3);
ucontrol->value.integer.value[4] =
get_iir_band_coeff(codec, iir_idx, band_idx, 4);
pr_err("%s: IIR #%d band #%d b0 = 0x%x\n"
"%s: IIR #%d band #%d b1 = 0x%x\n"
"%s: IIR #%d band #%d b2 = 0x%x\n"
"%s: IIR #%d band #%d a1 = 0x%x\n"
"%s: IIR #%d band #%d a2 = 0x%x\n",
__func__, iir_idx, band_idx,
(uint32_t)ucontrol->value.integer.value[0],
__func__, iir_idx, band_idx,
(uint32_t)ucontrol->value.integer.value[1],
__func__, iir_idx, band_idx,
(uint32_t)ucontrol->value.integer.value[2],
__func__, iir_idx, band_idx,
(uint32_t)ucontrol->value.integer.value[3],
__func__, iir_idx, band_idx,
(uint32_t)ucontrol->value.integer.value[4]);
return 0;
}
static void set_iir_band_coeff(struct snd_soc_codec *codec,
int iir_idx, int band_idx,
int coeff_idx, uint32_t value)
{
/* Mask top 3 bits, 6-8 are reserved */
/* Update address manually each time */
snd_soc_update_bits(codec,
(SITAR_A_CDC_IIR1_COEF_B1_CTL + 16 * iir_idx),
0x1F, band_idx * BAND_MAX + coeff_idx);
/* Mask top 2 bits, 7-8 are reserved */
snd_soc_update_bits(codec,
(SITAR_A_CDC_IIR1_COEF_B2_CTL + 16 * iir_idx),
0x3F, (value >> 24) & 0x3F);
/* Isolate 8bits at a time */
snd_soc_update_bits(codec,
(SITAR_A_CDC_IIR1_COEF_B3_CTL + 16 * iir_idx),
0xFF, (value >> 16) & 0xFF);
snd_soc_update_bits(codec,
(SITAR_A_CDC_IIR1_COEF_B4_CTL + 16 * iir_idx),
0xFF, (value >> 8) & 0xFF);
snd_soc_update_bits(codec,
(SITAR_A_CDC_IIR1_COEF_B5_CTL + 16 * iir_idx),
0xFF, value & 0xFF);
}
static int sitar_put_iir_band_audio_mixer(
struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
int iir_idx = ((struct soc_multi_mixer_control *)
kcontrol->private_value)->reg;
int band_idx = ((struct soc_multi_mixer_control *)
kcontrol->private_value)->shift;
set_iir_band_coeff(codec, iir_idx, band_idx, 0,
ucontrol->value.integer.value[0]);
set_iir_band_coeff(codec, iir_idx, band_idx, 1,
ucontrol->value.integer.value[1]);
set_iir_band_coeff(codec, iir_idx, band_idx, 2,
ucontrol->value.integer.value[2]);
set_iir_band_coeff(codec, iir_idx, band_idx, 3,
ucontrol->value.integer.value[3]);
set_iir_band_coeff(codec, iir_idx, band_idx, 4,
ucontrol->value.integer.value[4]);
pr_err("%s: IIR #%d band #%d b0 = 0x%x\n"
"%s: IIR #%d band #%d b1 = 0x%x\n"
"%s: IIR #%d band #%d b2 = 0x%x\n"
"%s: IIR #%d band #%d a1 = 0x%x\n"
"%s: IIR #%d band #%d a2 = 0x%x\n",
__func__, iir_idx, band_idx,
get_iir_band_coeff(codec, iir_idx, band_idx, 0),
__func__, iir_idx, band_idx,
get_iir_band_coeff(codec, iir_idx, band_idx, 1),
__func__, iir_idx, band_idx,
get_iir_band_coeff(codec, iir_idx, band_idx, 2),
__func__, iir_idx, band_idx,
get_iir_band_coeff(codec, iir_idx, band_idx, 3),
__func__, iir_idx, band_idx,
get_iir_band_coeff(codec, iir_idx, band_idx, 4));
return 0;
}
static const char *sitar_ear_pa_gain_text[] = {"POS_6_DB", "POS_2_DB"};
static const struct soc_enum sitar_ear_pa_gain_enum[] = {
SOC_ENUM_SINGLE_EXT(2, sitar_ear_pa_gain_text),
};
/*cut of frequency for high pass filter*/
static const char *cf_text[] = {
"MIN_3DB_4Hz", "MIN_3DB_75Hz", "MIN_3DB_150Hz"
};
static const struct soc_enum cf_dec1_enum =
SOC_ENUM_SINGLE(SITAR_A_CDC_TX1_MUX_CTL, 4, 3, cf_text);
static const struct soc_enum cf_rxmix1_enum =
SOC_ENUM_SINGLE(SITAR_A_CDC_RX1_B4_CTL, 1, 3, cf_text);
static const struct snd_kcontrol_new sitar_snd_controls[] = {
SOC_ENUM_EXT("EAR PA Gain", sitar_ear_pa_gain_enum[0],
sitar_pa_gain_get, sitar_pa_gain_put),
SOC_SINGLE_TLV("LINEOUT1 Volume", SITAR_A_RX_LINE_1_GAIN, 0, 12, 1,
line_gain),
SOC_SINGLE_TLV("LINEOUT2 Volume", SITAR_A_RX_LINE_2_GAIN, 0, 12, 1,
line_gain),
SOC_SINGLE_TLV("HPHL Volume", SITAR_A_RX_HPH_L_GAIN, 0, 12, 1,
line_gain),
SOC_SINGLE_TLV("HPHR Volume", SITAR_A_RX_HPH_R_GAIN, 0, 12, 1,
line_gain),
SOC_SINGLE_S8_TLV("RX1 Digital Volume", SITAR_A_CDC_RX1_VOL_CTL_B2_CTL,
-84, 40, digital_gain),
SOC_SINGLE_S8_TLV("DEC1 Volume", SITAR_A_CDC_TX1_VOL_CTL_GAIN, -84, 40,
digital_gain),
SOC_SINGLE_S8_TLV("IIR1 INP1 Volume", SITAR_A_CDC_IIR1_GAIN_B1_CTL, -84,
40, digital_gain),
SOC_SINGLE_S8_TLV("IIR1 INP2 Volume", SITAR_A_CDC_IIR1_GAIN_B2_CTL, -84,
40, digital_gain),
SOC_SINGLE_S8_TLV("IIR1 INP3 Volume", SITAR_A_CDC_IIR1_GAIN_B3_CTL, -84,
40, digital_gain),
SOC_SINGLE_S8_TLV("IIR1 INP4 Volume", SITAR_A_CDC_IIR1_GAIN_B4_CTL, -84,
40, digital_gain),
SOC_SINGLE_TLV("ADC1 Volume", SITAR_A_TX_1_2_EN, 5, 3, 0, analog_gain),
SOC_SINGLE_TLV("ADC2 Volume", SITAR_A_TX_1_2_EN, 1, 3, 0, analog_gain),
SOC_SINGLE("MICBIAS1 CAPLESS Switch", SITAR_A_MICB_1_CTL, 4, 1, 1),
SOC_SINGLE("MICBIAS2 CAPLESS Switch", SITAR_A_MICB_2_CTL, 4, 1, 1),
SOC_ENUM("TX1 HPF cut off", cf_dec1_enum),
SOC_SINGLE("TX1 HPF Switch", SITAR_A_CDC_TX1_MUX_CTL, 3, 1, 0),
SOC_SINGLE("RX1 HPF Switch", SITAR_A_CDC_RX1_B5_CTL, 2, 1, 0),
SOC_ENUM("RX1 HPF cut off", cf_rxmix1_enum),
SOC_SINGLE_EXT("IIR1 Enable Band1", IIR1, BAND1, 1, 0,
sitar_get_iir_enable_audio_mixer, sitar_put_iir_enable_audio_mixer),
SOC_SINGLE_EXT("IIR1 Enable Band2", IIR1, BAND2, 1, 0,
sitar_get_iir_enable_audio_mixer, sitar_put_iir_enable_audio_mixer),
SOC_SINGLE_EXT("IIR1 Enable Band3", IIR1, BAND3, 1, 0,
sitar_get_iir_enable_audio_mixer, sitar_put_iir_enable_audio_mixer),
SOC_SINGLE_EXT("IIR1 Enable Band4", IIR1, BAND4, 1, 0,
sitar_get_iir_enable_audio_mixer, sitar_put_iir_enable_audio_mixer),
SOC_SINGLE_EXT("IIR1 Enable Band5", IIR1, BAND5, 1, 0,
sitar_get_iir_enable_audio_mixer, sitar_put_iir_enable_audio_mixer),
SOC_SINGLE_EXT("IIR2 Enable Band1", IIR2, BAND1, 1, 0,
sitar_get_iir_enable_audio_mixer, sitar_put_iir_enable_audio_mixer),
SOC_SINGLE_EXT("IIR2 Enable Band2", IIR2, BAND2, 1, 0,
sitar_get_iir_enable_audio_mixer, sitar_put_iir_enable_audio_mixer),
SOC_SINGLE_EXT("IIR2 Enable Band3", IIR2, BAND3, 1, 0,
sitar_get_iir_enable_audio_mixer, sitar_put_iir_enable_audio_mixer),
SOC_SINGLE_EXT("IIR2 Enable Band4", IIR2, BAND4, 1, 0,
sitar_get_iir_enable_audio_mixer, sitar_put_iir_enable_audio_mixer),
SOC_SINGLE_EXT("IIR2 Enable Band5", IIR2, BAND5, 1, 0,
sitar_get_iir_enable_audio_mixer, sitar_put_iir_enable_audio_mixer),
SOC_SINGLE_MULTI_EXT("IIR1 Band1", IIR1, BAND1, 255, 0, 5,
sitar_get_iir_band_audio_mixer, sitar_put_iir_band_audio_mixer),
SOC_SINGLE_MULTI_EXT("IIR1 Band2", IIR1, BAND2, 255, 0, 5,
sitar_get_iir_band_audio_mixer, sitar_put_iir_band_audio_mixer),
SOC_SINGLE_MULTI_EXT("IIR1 Band3", IIR1, BAND3, 255, 0, 5,
sitar_get_iir_band_audio_mixer, sitar_put_iir_band_audio_mixer),
SOC_SINGLE_MULTI_EXT("IIR1 Band4", IIR1, BAND4, 255, 0, 5,
sitar_get_iir_band_audio_mixer, sitar_put_iir_band_audio_mixer),
SOC_SINGLE_MULTI_EXT("IIR1 Band5", IIR1, BAND5, 255, 0, 5,
sitar_get_iir_band_audio_mixer, sitar_put_iir_band_audio_mixer),
SOC_SINGLE_MULTI_EXT("IIR2 Band1", IIR2, BAND1, 255, 0, 5,
sitar_get_iir_band_audio_mixer, sitar_put_iir_band_audio_mixer),
SOC_SINGLE_MULTI_EXT("IIR2 Band2", IIR2, BAND2, 255, 0, 5,
sitar_get_iir_band_audio_mixer, sitar_put_iir_band_audio_mixer),
SOC_SINGLE_MULTI_EXT("IIR2 Band3", IIR2, BAND3, 255, 0, 5,
sitar_get_iir_band_audio_mixer, sitar_put_iir_band_audio_mixer),
SOC_SINGLE_MULTI_EXT("IIR2 Band4", IIR2, BAND4, 255, 0, 5,
sitar_get_iir_band_audio_mixer, sitar_put_iir_band_audio_mixer),
SOC_SINGLE_MULTI_EXT("IIR2 Band5", IIR2, BAND5, 255, 0, 5,
sitar_get_iir_band_audio_mixer, sitar_put_iir_band_audio_mixer),
};
static const char *rx_mix1_text[] = {
"ZERO", "SRC1", "SRC2", "IIR1", "IIR2", "RX1", "RX2", "RX3", "RX4",
"RX5"
};
static const char *rx_dac1_text[] = {
"ZERO", "RX1", "RX2"
};
static const char *rx_dac2_text[] = {
"ZERO", "RX1",
};
static const char *rx_dac3_text[] = {
"ZERO", "RX1", "RX1_INV", "RX2"
};
static const char *rx_dac4_text[] = {
"ZERO", "ON"
};
static const char *sb_tx1_mux_text[] = {
"ZERO", "RMIX1", "RMIX2", "RMIX3", "RMIX4", "RMIX5", "RMIX6", "RMIX7",
"DEC1"
};
static const char *sb_tx2_mux_text[] = {
"ZERO", "RMIX1", "RMIX2", "RMIX3", "RMIX4", "RMIX5", "RMIX6", "RMIX7",
"DEC2"
};
static const char *sb_tx3_mux_text[] = {
"ZERO", "RMIX1", "RMIX2", "RMIX3", "RMIX4", "RMIX5", "RMIX6", "RMIX7",
"DEC3"
};
static const char *sb_tx5_mux_text[] = {
"ZERO", "RMIX1", "RMIX2", "RMIX3", "RMIX4", "RMIX5", "RMIX6", "RMIX7",
"DEC5"
};
static const char *dec1_mux_text[] = {
"ZERO", "DMIC1", "ADC1", "ADC2", "ADC3", "MBADC", "DMIC4", "ANCFB1",
};
static const char *dec2_mux_text[] = {
"ZERO", "DMIC2", "ADC1", "ADC2", "ADC3", "MBADC", "DMIC3", "ANCFB2",
};
static const char *dec3_mux_text[] = {
"ZERO", "DMIC2", "DMIC3", "DMIC4", "ADC1", "ADC2", "ADC3", "MBADC",
};
static const char *dec4_mux_text[] = {
"ZERO", "DMIC1", "DMIC2", "DMIC3", "DMIC4", "ADC1", "ADC2", "ADC3",
};
static const char *iir1_inp1_text[] = {
"ZERO", "DEC1", "DEC2", "DEC3", "DEC4", "ZERO", "ZERO", "ZERO",
"ZERO", "ZERO", "ZERO", "RX1", "RX2", "RX3", "RX4", "RX5",
};
static const struct soc_enum rx_mix1_inp1_chain_enum =
SOC_ENUM_SINGLE(SITAR_A_CDC_CONN_RX1_B1_CTL, 0, 10, rx_mix1_text);
static const struct soc_enum rx_mix1_inp2_chain_enum =
SOC_ENUM_SINGLE(SITAR_A_CDC_CONN_RX1_B1_CTL, 4, 10, rx_mix1_text);
static const struct soc_enum rx2_mix1_inp1_chain_enum =
SOC_ENUM_SINGLE(SITAR_A_CDC_CONN_RX2_B1_CTL, 0, 10, rx_mix1_text);
static const struct soc_enum rx2_mix1_inp2_chain_enum =
SOC_ENUM_SINGLE(SITAR_A_CDC_CONN_RX2_B1_CTL, 4, 10, rx_mix1_text);
static const struct soc_enum rx3_mix1_inp1_chain_enum =
SOC_ENUM_SINGLE(SITAR_A_CDC_CONN_RX3_B1_CTL, 0, 10, rx_mix1_text);
static const struct soc_enum rx3_mix1_inp2_chain_enum =
SOC_ENUM_SINGLE(SITAR_A_CDC_CONN_RX3_B1_CTL, 4, 10, rx_mix1_text);
static const struct soc_enum rx_dac1_enum =
SOC_ENUM_SINGLE(SITAR_A_CDC_TOP_RDAC_DOUT_CTL, 6, 3, rx_dac1_text);
static const struct soc_enum rx_dac2_enum =
SOC_ENUM_SINGLE(SITAR_A_CDC_TOP_RDAC_DOUT_CTL, 4, 2, rx_dac2_text);
static const struct soc_enum rx_dac3_enum =
SOC_ENUM_SINGLE(SITAR_A_CDC_TOP_RDAC_DOUT_CTL, 2, 4, rx_dac3_text);
static const struct soc_enum rx_dac4_enum =
SOC_ENUM_SINGLE(SITAR_A_CDC_TOP_RDAC_DOUT_CTL, 0, 2, rx_dac4_text);
static const struct soc_enum sb_tx5_mux_enum =
SOC_ENUM_SINGLE(SITAR_A_CDC_CONN_TX_SB_B5_CTL, 0, 9, sb_tx5_mux_text);
static const struct soc_enum sb_tx3_mux_enum =
SOC_ENUM_SINGLE(SITAR_A_CDC_CONN_TX_SB_B3_CTL, 0, 9, sb_tx3_mux_text);
static const struct soc_enum sb_tx2_mux_enum =
SOC_ENUM_SINGLE(SITAR_A_CDC_CONN_TX_SB_B2_CTL, 0, 9, sb_tx2_mux_text);
static const struct soc_enum sb_tx1_mux_enum =
SOC_ENUM_SINGLE(SITAR_A_CDC_CONN_TX_SB_B1_CTL, 0, 9, sb_tx1_mux_text);
static const struct soc_enum dec1_mux_enum =
SOC_ENUM_SINGLE(SITAR_A_CDC_CONN_TX_B1_CTL, 0, 8, dec1_mux_text);
static const struct soc_enum dec2_mux_enum =
SOC_ENUM_SINGLE(SITAR_A_CDC_CONN_TX_B1_CTL, 2, 8, dec2_mux_text);
static const struct soc_enum dec3_mux_enum =
SOC_ENUM_SINGLE(SITAR_A_CDC_CONN_TX_B1_CTL, 4, 8, dec3_mux_text);
static const struct soc_enum dec4_mux_enum =
SOC_ENUM_SINGLE(SITAR_A_CDC_CONN_TX_B1_CTL, 6, 8, dec4_mux_text);
static const struct soc_enum iir1_inp1_mux_enum =
SOC_ENUM_SINGLE(SITAR_A_CDC_CONN_EQ1_B1_CTL, 0, 16, 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 rx_dac1_mux =
SOC_DAPM_ENUM("RX1 DAC Mux", rx_dac1_enum);
static const struct snd_kcontrol_new rx_dac2_mux =
SOC_DAPM_ENUM("RX2 DAC Mux", rx_dac2_enum);
static const struct snd_kcontrol_new rx_dac3_mux =
SOC_DAPM_ENUM("RX3 DAC Mux", rx_dac3_enum);
static const struct snd_kcontrol_new rx_dac4_mux =
SOC_DAPM_ENUM("RX4 DAC Mux", rx_dac4_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_tx3_mux =
SOC_DAPM_ENUM("SLIM TX3 MUX Mux", sb_tx3_mux_enum);
static const struct snd_kcontrol_new sb_tx2_mux =
SOC_DAPM_ENUM("SLIM TX2 MUX Mux", sb_tx2_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 iir1_inp1_mux =
SOC_DAPM_ENUM("IIR1 INP1 Mux", iir1_inp1_mux_enum);
static const struct snd_kcontrol_new dac1_switch[] = {
SOC_DAPM_SINGLE("Switch", SITAR_A_RX_EAR_EN, 5, 1, 0),
};
static const struct snd_kcontrol_new hphl_switch[] = {
SOC_DAPM_SINGLE("Switch", SITAR_A_RX_HPH_L_DAC_CTL, 6, 1, 0)
};
static void sitar_codec_enable_adc_block(struct snd_soc_codec *codec,
int enable)
{
struct sitar_priv *sitar = snd_soc_codec_get_drvdata(codec);
pr_err("%s %d\n", __func__, enable);
if (enable) {
sitar->adc_count++;
snd_soc_update_bits(codec, SITAR_A_TX_COM_BIAS, 0xE0, 0xE0);
} else {
sitar->adc_count--;
if (!sitar->adc_count) {
if (!sitar->mbhc_polling_active)
snd_soc_update_bits(codec, SITAR_A_TX_COM_BIAS,
0xE0, 0x0);
}
}
}
static int sitar_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_err("%s %d\n", __func__, event);
if (w->reg == SITAR_A_TX_1_2_EN)
adc_reg = SITAR_A_TX_1_2_TEST_CTL;
else {
pr_err("%s: Error, invalid adc register\n", __func__);
return -EINVAL;
}
switch (event) {
case SND_SOC_DAPM_PRE_PMU:
sitar_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);
snd_soc_update_bits(codec, adc_reg, 0x08, 0x08);
break;
case SND_SOC_DAPM_POST_PMD:
sitar_codec_enable_adc_block(codec, 0);
break;
}
return 0;
}
static int sitar_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_err("%s %d %s\n", __func__, event, w->name);
switch (w->shift) {
case 0:
lineout_gain_reg = SITAR_A_RX_LINE_1_GAIN;
break;
case 1:
lineout_gain_reg = SITAR_A_RX_LINE_2_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:
pr_err("%s: sleeping 16 ms after %s PA turn on\n",
__func__, w->name);
usleep_range(16000, 16000);
break;
case SND_SOC_DAPM_POST_PMD:
snd_soc_update_bits(codec, lineout_gain_reg, 0x40, 0x00);
break;
}
return 0;
}
static int sitar_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;
unsigned int dmic;
int ret;
ret = kstrtouint(strpbrk(w->name, "12"), 10, &dmic);
if (ret < 0) {
pr_err("%s: Invalid DMIC line on the codec\n", __func__);
return -EINVAL;
}
switch (dmic) {
case 1:
case 2:
dmic_clk_sel = 0x02;
dmic_clk_en = 0x01;
break;
case 3:
case 4:
dmic_clk_sel = 0x08;
dmic_clk_en = 0x04;
break;
break;
default:
pr_err("%s: Invalid DMIC Selection\n", __func__);
return -EINVAL;
}
tx_mux_ctl_reg = SITAR_A_CDC_TX1_MUX_CTL + 8 * (dmic - 1);
tx_dmic_ctl_reg = SITAR_A_CDC_TX1_DMIC_CTL + 8 * (dmic - 1);
pr_err("%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, SITAR_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, SITAR_A_CDC_CLK_DMIC_CTL,
dmic_clk_en, dmic_clk_en);
break;
case SND_SOC_DAPM_POST_PMD:
snd_soc_update_bits(codec, SITAR_A_CDC_CLK_DMIC_CTL,
dmic_clk_en, 0);
break;
}
return 0;
}
static void sitar_codec_disable_button_presses(struct snd_soc_codec *codec)
{
snd_soc_write(codec, SITAR_A_CDC_MBHC_VOLT_B4_CTL, 0x80);
snd_soc_write(codec, SITAR_A_CDC_MBHC_VOLT_B3_CTL, 0x00);
}
static void sitar_codec_start_hs_polling(struct snd_soc_codec *codec)
{
struct sitar_priv *sitar = snd_soc_codec_get_drvdata(codec);
snd_soc_write(codec, SITAR_A_MBHC_SCALING_MUX_1, 0x84);
wcd9xxx_enable_irq(codec->control_data, SITAR_IRQ_MBHC_REMOVAL);
if (!sitar->no_mic_headset_override) {
wcd9xxx_enable_irq(codec->control_data,
SITAR_IRQ_MBHC_POTENTIAL);
wcd9xxx_enable_irq(codec->control_data,
SITAR_IRQ_MBHC_RELEASE);
} else {
sitar_codec_disable_button_presses(codec);
}
}
static void sitar_codec_pause_hs_polling(struct snd_soc_codec *codec)
{
struct sitar_priv *sitar = snd_soc_codec_get_drvdata(codec);
snd_soc_update_bits(codec, SITAR_A_CDC_MBHC_CLK_CTL, 0x8, 0x8);
wcd9xxx_disable_irq(codec->control_data, SITAR_IRQ_MBHC_REMOVAL);
if (!sitar->no_mic_headset_override) {
wcd9xxx_disable_irq(codec->control_data,
SITAR_IRQ_MBHC_POTENTIAL);
wcd9xxx_disable_irq(codec->control_data,
SITAR_IRQ_MBHC_RELEASE);
}
}
static void sitar_codec_switch_cfilt_mode(struct snd_soc_codec *codec,
int mode)
{
struct sitar_priv *sitar = snd_soc_codec_get_drvdata(codec);
u8 reg_mode_val, cur_mode_val;
bool mbhc_was_polling = false;
if (mode)
reg_mode_val = SITAR_CFILT_FAST_MODE;
else
reg_mode_val = SITAR_CFILT_SLOW_MODE;
cur_mode_val = snd_soc_read(codec,
sitar->mbhc_bias_regs.cfilt_ctl) & 0x40;
if (cur_mode_val != reg_mode_val) {
if (sitar->mbhc_polling_active) {
sitar_codec_pause_hs_polling(codec);
mbhc_was_polling = true;
}
snd_soc_update_bits(codec,
sitar->mbhc_bias_regs.cfilt_ctl, 0x40, reg_mode_val);
if (mbhc_was_polling)
sitar_codec_start_hs_polling(codec);
pr_err("%s: CFILT mode change (%x to %x)\n", __func__,
cur_mode_val, reg_mode_val);
} else {
pr_err("%s: CFILT Value is already %x\n",
__func__, cur_mode_val);
}
}
static void sitar_codec_update_cfilt_usage(struct snd_soc_codec *codec,
u8 cfilt_sel, int inc)
{
struct sitar_priv *sitar = snd_soc_codec_get_drvdata(codec);
u32 *cfilt_cnt_ptr = NULL;
u16 micb_cfilt_reg;
switch (cfilt_sel) {
case SITAR_CFILT1_SEL:
cfilt_cnt_ptr = &sitar->cfilt1_cnt;
micb_cfilt_reg = SITAR_A_MICB_CFILT_1_CTL;
break;
case SITAR_CFILT2_SEL:
cfilt_cnt_ptr = &sitar->cfilt2_cnt;
micb_cfilt_reg = SITAR_A_MICB_CFILT_2_CTL;
break;
default:
return; /* should not happen */
}
if (inc) {
if (!(*cfilt_cnt_ptr)++) {
/* Switch CFILT to slow mode if MBHC CFILT being used */
if (cfilt_sel == sitar->mbhc_bias_regs.cfilt_sel)
sitar_codec_switch_cfilt_mode(codec, 0);
snd_soc_update_bits(codec, micb_cfilt_reg, 0x80, 0x80);
}
} else {
/* check if count not zero, decrement
* then check if zero, go ahead disable cfilter
*/
if ((*cfilt_cnt_ptr) && !--(*cfilt_cnt_ptr)) {
snd_soc_update_bits(codec, micb_cfilt_reg, 0x80, 0);
/* Switch CFILT to fast mode if MBHC CFILT being used */
if (cfilt_sel == sitar->mbhc_bias_regs.cfilt_sel)
sitar_codec_switch_cfilt_mode(codec, 1);
}
}
}
static int sitar_find_k_value(unsigned int ldoh_v, unsigned int cfilt_mv)
{
int rc = -EINVAL;
unsigned min_mv, max_mv;
switch (ldoh_v) {
case SITAR_LDOH_1P95_V:
min_mv = 160;
max_mv = 1800;
break;
case SITAR_LDOH_2P35_V:
min_mv = 200;
max_mv = 2200;
break;
case SITAR_LDOH_2P75_V:
min_mv = 240;
max_mv = 2600;
break;
case SITAR_LDOH_2P85_V:
min_mv = 250;
max_mv = 2700;
break;
default:
goto done;
}
if (cfilt_mv < min_mv || cfilt_mv > max_mv)
goto done;
for (rc = 4; rc <= 44; rc++) {
min_mv = max_mv * (rc) / 44;
if (min_mv >= cfilt_mv) {
rc -= 4;
break;
}
}
done:
return rc;
}
static bool sitar_is_hph_pa_on(struct snd_soc_codec *codec)
{
u8 hph_reg_val = 0;
hph_reg_val = snd_soc_read(codec, SITAR_A_RX_HPH_CNP_EN);
return (hph_reg_val & 0x30) ? true : false;
}
static bool sitar_is_hph_dac_on(struct snd_soc_codec *codec, int left)
{
u8 hph_reg_val = 0;
if (left)
hph_reg_val = snd_soc_read(codec,
SITAR_A_RX_HPH_L_DAC_CTL);
else
hph_reg_val = snd_soc_read(codec,
SITAR_A_RX_HPH_R_DAC_CTL);
return (hph_reg_val & 0xC0) ? true : false;
}
static void sitar_codec_switch_micbias(struct snd_soc_codec *codec,
int vddio_switch)
{
struct sitar_priv *sitar = snd_soc_codec_get_drvdata(codec);
int cfilt_k_val;
bool mbhc_was_polling = false;
switch (vddio_switch) {
case 1:
if (sitar->mbhc_polling_active) {
sitar_codec_pause_hs_polling(codec);
/* Enable Mic Bias switch to VDDIO */
sitar->cfilt_k_value = snd_soc_read(codec,
sitar->mbhc_bias_regs.cfilt_val);
cfilt_k_val = sitar_find_k_value(
sitar->pdata->micbias.ldoh_v, 1800);
snd_soc_update_bits(codec,
sitar->mbhc_bias_regs.cfilt_val,
0xFC, (cfilt_k_val << 2));
snd_soc_update_bits(codec,
sitar->mbhc_bias_regs.mbhc_reg, 0x80, 0x80);
snd_soc_update_bits(codec,
sitar->mbhc_bias_regs.mbhc_reg, 0x10, 0x00);
sitar_codec_start_hs_polling(codec);
sitar->mbhc_micbias_switched = true;
pr_err("%s: Enabled MBHC Mic bias to VDDIO Switch\n",
__func__);
}
break;
case 0:
if (sitar->mbhc_micbias_switched) {
if (sitar->mbhc_polling_active) {
sitar_codec_pause_hs_polling(codec);
mbhc_was_polling = true;
}
/* Disable Mic Bias switch to VDDIO */
if (sitar->cfilt_k_value != 0)
snd_soc_update_bits(codec,
sitar->mbhc_bias_regs.cfilt_val, 0XFC,
sitar->cfilt_k_value);
snd_soc_update_bits(codec,
sitar->mbhc_bias_regs.mbhc_reg, 0x80, 0x00);
snd_soc_update_bits(codec,
sitar->mbhc_bias_regs.mbhc_reg, 0x10, 0x00);
if (mbhc_was_polling)
sitar_codec_start_hs_polling(codec);
sitar->mbhc_micbias_switched = false;
pr_err("%s: Disabled MBHC Mic bias to VDDIO Switch\n",
__func__);
}
break;
}
}
static int sitar_codec_enable_micbias(struct snd_soc_dapm_widget *w,
struct snd_kcontrol *kcontrol, int event)
{
struct snd_soc_codec *codec = w->codec;
struct sitar_priv *sitar = snd_soc_codec_get_drvdata(codec);
u16 micb_int_reg;
int micb_line;
u8 cfilt_sel_val = 0;
char *internal1_text = "Internal1";
char *internal2_text = "Internal2";
pr_err("%s %d\n", __func__, event);
switch (w->reg) {
case SITAR_A_MICB_1_CTL:
micb_int_reg = SITAR_A_MICB_1_INT_RBIAS;
cfilt_sel_val = sitar->pdata->micbias.bias1_cfilt_sel;
micb_line = SITAR_MICBIAS1;
break;
case SITAR_A_MICB_2_CTL:
micb_int_reg = SITAR_A_MICB_2_INT_RBIAS;
cfilt_sel_val = sitar->pdata->micbias.bias2_cfilt_sel;
micb_line = SITAR_MICBIAS2;
break;
default:
pr_err("%s: Error, invalid micbias register\n", __func__);
return -EINVAL;
}
switch (event) {
case SND_SOC_DAPM_PRE_PMU:
/* Decide whether to switch the micbias for MBHC */
if ((w->reg == sitar->mbhc_bias_regs.ctl_reg)
&& sitar->mbhc_micbias_switched)
sitar_codec_switch_micbias(codec, 0);
snd_soc_update_bits(codec, w->reg, 0x1E, 0x0A);
sitar_codec_update_cfilt_usage(codec, cfilt_sel_val, 1);
if (strnstr(w->name, internal1_text, 30))
snd_soc_update_bits(codec, micb_int_reg, 0xFF, 0xA4);
else if (strnstr(w->name, internal2_text, 30))
snd_soc_update_bits(codec, micb_int_reg, 0x1C, 0x1C);
break;
case SND_SOC_DAPM_POST_PMU:
if (sitar->mbhc_polling_active &&
(sitar->calibration->bias == micb_line)) {
sitar_codec_pause_hs_polling(codec);
sitar_codec_start_hs_polling(codec);
}
break;
case SND_SOC_DAPM_POST_PMD:
if ((w->reg == sitar->mbhc_bias_regs.ctl_reg)
&& sitar_is_hph_pa_on(codec))
sitar_codec_switch_micbias(codec, 1);
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);
sitar_codec_update_cfilt_usage(codec, cfilt_sel_val, 0);
break;
}
return 0;
}
static int sitar_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_err("%s %d\n", __func__, event);
if (w->reg == SITAR_A_CDC_CLK_TX_CLK_EN_B1_CTL)
dec_reset_reg = SITAR_A_CDC_CLK_TX_RESET_B1_CTL;
else {
pr_err("%s: Error, incorrect dec\n", __func__);
return -EINVAL;
}
switch (event) {
case SND_SOC_DAPM_PRE_PMU:
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;
}
return 0;
}
static int sitar_codec_reset_interpolator(struct snd_soc_dapm_widget *w,
struct snd_kcontrol *kcontrol, int event)
{
struct snd_soc_codec *codec = w->codec;
pr_err("%s %d %s\n", __func__, event, w->name);
switch (event) {
case SND_SOC_DAPM_PRE_PMU:
snd_soc_update_bits(codec, SITAR_A_CDC_CLK_RX_RESET_CTL,
1 << w->shift, 1 << w->shift);
snd_soc_update_bits(codec, SITAR_A_CDC_CLK_RX_RESET_CTL,
1 << w->shift, 0x0);
break;
}
return 0;
}
static int sitar_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);
pr_debug("LDO_H\n");
break;
}
return 0;
}
static void sitar_enable_rx_bias(struct snd_soc_codec *codec, u32 enable)
{
struct sitar_priv *sitar = snd_soc_codec_get_drvdata(codec);
if (enable) {
sitar->rx_bias_count++;
if (sitar->rx_bias_count == 1)
snd_soc_update_bits(codec, SITAR_A_RX_COM_BIAS,
0x80, 0x80);
} else {
sitar->rx_bias_count--;
if (!sitar->rx_bias_count)
snd_soc_update_bits(codec, SITAR_A_RX_COM_BIAS,
0x80, 0x00);
}
}
static int sitar_codec_enable_rx_bias(struct snd_soc_dapm_widget *w,
struct snd_kcontrol *kcontrol, int event)
{
struct snd_soc_codec *codec = w->codec;
pr_err("%s %d\n", __func__, event);
switch (event) {
case SND_SOC_DAPM_PRE_PMU:
sitar_enable_rx_bias(codec, 1);
break;
case SND_SOC_DAPM_POST_PMD:
sitar_enable_rx_bias(codec, 0);
break;
}
return 0;
}
static int sitar_hphr_dac_event(struct snd_soc_dapm_widget *w,
struct snd_kcontrol *kcontrol, int event)
{
struct snd_soc_codec *codec = w->codec;
pr_err("%s %s %d\n", __func__, w->name, event);
switch (event) {
case SND_SOC_DAPM_PRE_PMU:
snd_soc_update_bits(codec, w->reg, 0x40, 0x40);
break;
case SND_SOC_DAPM_POST_PMD:
snd_soc_update_bits(codec, w->reg, 0x40, 0x00);
break;
}
return 0;
}
static void sitar_snd_soc_jack_report(struct sitar_priv *sitar,
struct snd_soc_jack *jack, int status,
int mask)
{
/* XXX: wake_lock_timeout()? */
snd_soc_jack_report(jack, status, mask);
}
static void hphocp_off_report(struct sitar_priv *sitar,
u32 jack_status, int irq)
{
struct snd_soc_codec *codec;
if (sitar) {
pr_info("%s: clear ocp status %x\n", __func__, jack_status);
codec = sitar->codec;
sitar->hph_status &= ~jack_status;
if (sitar->headset_jack)
sitar_snd_soc_jack_report(sitar, sitar->headset_jack,
sitar->hph_status,
SITAR_JACK_MASK);
snd_soc_update_bits(codec, SITAR_A_RX_HPH_OCP_CTL, 0x10,
0x00);
snd_soc_update_bits(codec, SITAR_A_RX_HPH_OCP_CTL, 0x10,
0x10);
/* reset retry counter as PA is turned off signifying
* start of new OCP detection session
*/
if (SITAR_IRQ_HPH_PA_OCPL_FAULT)
sitar->hphlocp_cnt = 0;
else
sitar->hphrocp_cnt = 0;
wcd9xxx_enable_irq(codec->control_data, irq);
} else {
pr_err("%s: Bad sitar private data\n", __func__);
}
}
static void hphlocp_off_report(struct work_struct *work)
{
struct sitar_priv *sitar = container_of(work, struct sitar_priv,
hphlocp_work);
hphocp_off_report(sitar, SND_JACK_OC_HPHL, SITAR_IRQ_HPH_PA_OCPL_FAULT);
}
static void hphrocp_off_report(struct work_struct *work)
{
struct sitar_priv *sitar = container_of(work, struct sitar_priv,
hphrocp_work);
hphocp_off_report(sitar, SND_JACK_OC_HPHR, SITAR_IRQ_HPH_PA_OCPR_FAULT);
}
static int sitar_hph_pa_event(struct snd_soc_dapm_widget *w,
struct snd_kcontrol *kcontrol, int event)
{
struct snd_soc_codec *codec = w->codec;
struct sitar_priv *sitar = snd_soc_codec_get_drvdata(codec);
u8 mbhc_micb_ctl_val;
pr_err("%s: event = %d\n", __func__, event);
switch (event) {
case SND_SOC_DAPM_PRE_PMU:
mbhc_micb_ctl_val = snd_soc_read(codec,
sitar->mbhc_bias_regs.ctl_reg);
if (!(mbhc_micb_ctl_val & 0x80)
&& !sitar->mbhc_micbias_switched)
sitar_codec_switch_micbias(codec, 1);
break;
case SND_SOC_DAPM_POST_PMD:
/* schedule work is required because at the time HPH PA DAPM
* event callback is called by DAPM framework, CODEC dapm mutex
* would have been locked while snd_soc_jack_report also
* attempts to acquire same lock.
*/
if (w->shift == 5) {
clear_bit(SITAR_HPHL_PA_OFF_ACK,
&sitar->hph_pa_dac_state);
clear_bit(SITAR_HPHL_DAC_OFF_ACK,
&sitar->hph_pa_dac_state);
if (sitar->hph_status & SND_JACK_OC_HPHL)
schedule_work(&sitar->hphlocp_work);
} else if (w->shift == 4) {
clear_bit(SITAR_HPHR_PA_OFF_ACK,
&sitar->hph_pa_dac_state);
clear_bit(SITAR_HPHR_DAC_OFF_ACK,
&sitar->hph_pa_dac_state);
if (sitar->hph_status & SND_JACK_OC_HPHR)
schedule_work(&sitar->hphrocp_work);
}
if (sitar->mbhc_micbias_switched)
sitar_codec_switch_micbias(codec, 0);
pr_err("%s: sleep 10 ms after %s PA disable.\n", __func__,
w->name);
usleep_range(10000, 10000);
break;
}
return 0;
}
static void sitar_get_mbhc_micbias_regs(struct snd_soc_codec *codec,
struct mbhc_micbias_regs *micbias_regs)
{
struct sitar_priv *sitar = snd_soc_codec_get_drvdata(codec);
struct sitar_mbhc_calibration *calibration = sitar->calibration;
unsigned int cfilt;
switch (calibration->bias) {
case SITAR_MICBIAS1:
cfilt = sitar->pdata->micbias.bias1_cfilt_sel;
micbias_regs->mbhc_reg = SITAR_A_MICB_1_MBHC;
micbias_regs->int_rbias = SITAR_A_MICB_1_INT_RBIAS;
micbias_regs->ctl_reg = SITAR_A_MICB_1_CTL;
break;
case SITAR_MICBIAS2:
cfilt = sitar->pdata->micbias.bias2_cfilt_sel;
micbias_regs->mbhc_reg = SITAR_A_MICB_2_MBHC;
micbias_regs->int_rbias = SITAR_A_MICB_2_INT_RBIAS;
micbias_regs->ctl_reg = SITAR_A_MICB_2_CTL;
break;
default:
/* Should never reach here */
pr_err("%s: Invalid MIC BIAS for MBHC\n", __func__);
return;
}
micbias_regs->cfilt_sel = cfilt;
switch (cfilt) {
case SITAR_CFILT1_SEL:
micbias_regs->cfilt_val = SITAR_A_MICB_CFILT_1_VAL;
micbias_regs->cfilt_ctl = SITAR_A_MICB_CFILT_1_CTL;
break;
case SITAR_CFILT2_SEL:
micbias_regs->cfilt_val = SITAR_A_MICB_CFILT_2_VAL;
micbias_regs->cfilt_ctl = SITAR_A_MICB_CFILT_2_CTL;
break;
}
}
static int sitar_codec_enable_charge_pump(struct snd_soc_dapm_widget *w,
struct snd_kcontrol *kcontrol, int event)
{
struct snd_soc_codec *codec = w->codec;
pr_err("%s %d\n", __func__, event);
switch (event) {
case SND_SOC_DAPM_POST_PMU:
snd_soc_update_bits(codec, SITAR_A_CDC_CLK_OTHR_CTL, 0x01,
0x01);
snd_soc_update_bits(codec, SITAR_A_CDC_CLSG_CTL, 0x08, 0x08);
usleep_range(200, 200);
snd_soc_update_bits(codec, SITAR_A_CP_STATIC, 0x10, 0x00);
break;
case SND_SOC_DAPM_PRE_PMD:
snd_soc_update_bits(codec, SITAR_A_CDC_CLK_OTHR_RESET_CTL, 0x10,
0x10);
usleep_range(20, 20);
snd_soc_update_bits(codec, SITAR_A_CP_STATIC, 0x08, 0x08);
snd_soc_update_bits(codec, SITAR_A_CP_STATIC, 0x10, 0x10);
snd_soc_update_bits(codec, SITAR_A_CDC_CLSG_CTL, 0x08, 0x00);
snd_soc_update_bits(codec, SITAR_A_CDC_CLK_OTHR_CTL, 0x01,
0x00);
snd_soc_update_bits(codec, SITAR_A_CP_STATIC, 0x08, 0x00);
break;
}
return 0;
}
static const struct snd_soc_dapm_widget sitar_dapm_i2s_widgets[] = {
SND_SOC_DAPM_SUPPLY("RX_I2S_CLK", SITAR_A_CDC_CLK_RX_I2S_CTL,
4, 0, NULL, 0),
SND_SOC_DAPM_SUPPLY("TX_I2S_CLK", SITAR_A_CDC_CLK_TX_I2S_CTL, 4,
0, NULL, 0),
};
static const struct snd_soc_dapm_widget sitar_dapm_widgets[] = {
/*RX stuff */
SND_SOC_DAPM_OUTPUT("EAR"),
SND_SOC_DAPM_PGA("EAR PA", SITAR_A_RX_EAR_EN, 4, 0, NULL, 0),
SND_SOC_DAPM_MIXER("DAC1", SITAR_A_RX_EAR_EN, 6, 0, dac1_switch,
ARRAY_SIZE(dac1_switch)),
SND_SOC_DAPM_SUPPLY("EAR DRIVER", SITAR_A_RX_EAR_EN, 3, 0, NULL, 0),
SND_SOC_DAPM_AIF_IN_E("SLIM RX1", "AIF1 Playback", 0, SND_SOC_NOPM, 0,
0, sitar_codec_enable_slimrx,
SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD),
SND_SOC_DAPM_AIF_IN_E("SLIM RX2", "AIF1 Playback", 0, SND_SOC_NOPM, 0,
0, sitar_codec_enable_slimrx,
SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD),
SND_SOC_DAPM_AIF_IN("SLIM RX3", "AIF1 Playback", 0, SND_SOC_NOPM, 0, 0),
SND_SOC_DAPM_AIF_IN("SLIM RX4", "AIF1 Playback", 0, SND_SOC_NOPM, 0, 0),
SND_SOC_DAPM_AIF_IN("SLIM RX5", "AIF1 Playback", 0, SND_SOC_NOPM, 0, 0),
/* Headphone */
SND_SOC_DAPM_OUTPUT("HEADPHONE"),
SND_SOC_DAPM_PGA_E("HPHL", SITAR_A_RX_HPH_CNP_EN, 5, 0, NULL, 0,
sitar_hph_pa_event, SND_SOC_DAPM_PRE_PMU |
SND_SOC_DAPM_POST_PMD),
SND_SOC_DAPM_MIXER("HPHL DAC", SITAR_A_RX_HPH_L_DAC_CTL, 7, 0,
hphl_switch, ARRAY_SIZE(hphl_switch)),
SND_SOC_DAPM_PGA_E("HPHR", SITAR_A_RX_HPH_CNP_EN, 4, 0, NULL, 0,
sitar_hph_pa_event, SND_SOC_DAPM_PRE_PMU |
SND_SOC_DAPM_POST_PMD),
SND_SOC_DAPM_DAC_E("HPHR DAC", NULL, SITAR_A_RX_HPH_R_DAC_CTL, 7, 0,
sitar_hphr_dac_event,
SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD),
/* Speaker */
SND_SOC_DAPM_OUTPUT("LINEOUT1"),
SND_SOC_DAPM_OUTPUT("LINEOUT2"),
SND_SOC_DAPM_PGA_E("LINEOUT1 PA", SITAR_A_RX_LINE_CNP_EN, 0, 0, NULL,
0, sitar_codec_enable_lineout, SND_SOC_DAPM_PRE_PMU |
SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD),
SND_SOC_DAPM_PGA_E("LINEOUT2 PA", SITAR_A_RX_LINE_CNP_EN, 1, 0, NULL,
0, sitar_codec_enable_lineout, SND_SOC_DAPM_PRE_PMU |
SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD),
SND_SOC_DAPM_MIXER_E("RX1 MIX1", SITAR_A_CDC_CLK_RX_B1_CTL, 0, 0, NULL,
0, sitar_codec_reset_interpolator, SND_SOC_DAPM_PRE_PMU),
SND_SOC_DAPM_MIXER_E("RX2 MIX1", SITAR_A_CDC_CLK_RX_B1_CTL, 1, 0, NULL,
0, sitar_codec_reset_interpolator, SND_SOC_DAPM_PRE_PMU),
SND_SOC_DAPM_MIXER_E("RX3 MIX1", SITAR_A_CDC_CLK_RX_B1_CTL, 2, 0, NULL,
0, sitar_codec_reset_interpolator, SND_SOC_DAPM_PRE_PMU),
SND_SOC_DAPM_MUX("DAC1 MUX", SND_SOC_NOPM, 0, 0,
&rx_dac1_mux),
SND_SOC_DAPM_MUX("DAC2 MUX", SND_SOC_NOPM, 0, 0,
&rx_dac2_mux),
SND_SOC_DAPM_MUX("DAC3 MUX", SND_SOC_NOPM, 0, 0,
&rx_dac3_mux),
SND_SOC_DAPM_MUX("DAC4 MUX", SND_SOC_NOPM, 0, 0,
&rx_dac4_mux),
SND_SOC_DAPM_MIXER("RX1 CHAIN", SITAR_A_CDC_RX1_B6_CTL, 5, 0, NULL, 0),
SND_SOC_DAPM_MIXER("RX2 CHAIN", SITAR_A_CDC_RX2_B6_CTL, 5, 0, NULL, 0),
SND_SOC_DAPM_MIXER("RX3 CHAIN", SITAR_A_CDC_RX3_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_SUPPLY("CP", SITAR_A_CP_EN, 0, 0,
sitar_codec_enable_charge_pump, SND_SOC_DAPM_POST_PMU |
SND_SOC_DAPM_PRE_PMD),
SND_SOC_DAPM_SUPPLY("RX_BIAS", SND_SOC_NOPM, 0, 0,
sitar_codec_enable_rx_bias, SND_SOC_DAPM_PRE_PMU |
SND_SOC_DAPM_POST_PMD),
SND_SOC_DAPM_SUPPLY("LDO_H", SITAR_A_LDO_H_MODE_1, 7, 0,
sitar_codec_enable_ldo_h, SND_SOC_DAPM_POST_PMU),
/* TX */
SND_SOC_DAPM_SUPPLY("CDC_CONN", SITAR_A_CDC_CLK_OTHR_CTL, 2, 0, NULL,
0),
SND_SOC_DAPM_INPUT("AMIC1"),
SND_SOC_DAPM_MICBIAS_E("MIC BIAS1 External", SITAR_A_MICB_1_CTL, 7, 0,
sitar_codec_enable_micbias, SND_SOC_DAPM_PRE_PMU |
SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD),
SND_SOC_DAPM_MICBIAS_E("MIC BIAS1 Internal1", SITAR_A_MICB_1_CTL, 7, 0,
sitar_codec_enable_micbias, SND_SOC_DAPM_PRE_PMU |
SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD),
SND_SOC_DAPM_INPUT("AMIC2"),
SND_SOC_DAPM_MICBIAS_E("MIC BIAS2 External", SITAR_A_MICB_2_CTL, 7, 0,
sitar_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 Internal1", SITAR_A_MICB_2_CTL, 7, 0,
sitar_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 Internal2", SITAR_A_MICB_2_CTL, 7, 0,
sitar_codec_enable_micbias, SND_SOC_DAPM_PRE_PMU |
SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD),
SND_SOC_DAPM_ADC_E("ADC1", NULL, SITAR_A_TX_1_2_EN, 7, 0,
sitar_codec_enable_adc, SND_SOC_DAPM_PRE_PMU |
SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD),
SND_SOC_DAPM_ADC_E("ADC2", NULL, SITAR_A_TX_1_2_EN, 3, 0,
sitar_codec_enable_adc, SND_SOC_DAPM_PRE_PMU |
SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD),
SND_SOC_DAPM_MUX_E("DEC1 MUX", SITAR_A_CDC_CLK_TX_CLK_EN_B1_CTL, 0, 0,
&dec1_mux, sitar_codec_enable_dec, SND_SOC_DAPM_PRE_PMU),
SND_SOC_DAPM_MUX("SLIM TX1 MUX", SND_SOC_NOPM, 0, 0, &sb_tx1_mux),
SND_SOC_DAPM_MUX("SLIM TX2 MUX", SND_SOC_NOPM, 0, 0, &sb_tx2_mux),
SND_SOC_DAPM_MUX("SLIM TX3 MUX", SND_SOC_NOPM, 0, 0, &sb_tx3_mux),
SND_SOC_DAPM_AIF_OUT_E("SLIM TX1", "AIF1 Capture", 0, SND_SOC_NOPM, 0,
0, sitar_codec_enable_slimtx,
SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD),
SND_SOC_DAPM_AIF_OUT_E("SLIM TX2", "AIF1 Capture", 0, SND_SOC_NOPM, 0,
0, sitar_codec_enable_slimtx,
SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD),
SND_SOC_DAPM_AIF_OUT_E("SLIM TX3", "AIF1 Capture", 0, SND_SOC_NOPM, 0,
0, sitar_codec_enable_slimtx,
SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD),
SND_SOC_DAPM_MUX_E("DEC2 MUX", SITAR_A_CDC_CLK_TX_CLK_EN_B1_CTL, 1, 0,
&dec2_mux, sitar_codec_enable_dec, SND_SOC_DAPM_PRE_PMU),
SND_SOC_DAPM_MUX_E("DEC3 MUX", SITAR_A_CDC_CLK_TX_CLK_EN_B1_CTL, 2, 0,
&dec3_mux, sitar_codec_enable_dec, SND_SOC_DAPM_PRE_PMU),
SND_SOC_DAPM_MUX_E("DEC4 MUX", SITAR_A_CDC_CLK_TX_CLK_EN_B1_CTL, 3, 0,
&dec4_mux, sitar_codec_enable_dec, SND_SOC_DAPM_PRE_PMU),
/* Digital Mic Inputs */
SND_SOC_DAPM_ADC_E("DMIC1", NULL, SND_SOC_NOPM, 0, 0,
sitar_codec_enable_dmic, SND_SOC_DAPM_PRE_PMU |
SND_SOC_DAPM_POST_PMD),
SND_SOC_DAPM_ADC_E("DMIC2", NULL, SND_SOC_NOPM, 0, 0,
sitar_codec_enable_dmic, SND_SOC_DAPM_PRE_PMU |
SND_SOC_DAPM_POST_PMD),
SND_SOC_DAPM_ADC_E("DMIC3", NULL, SND_SOC_NOPM, 0, 0,
sitar_codec_enable_dmic, SND_SOC_DAPM_PRE_PMU |
SND_SOC_DAPM_POST_PMD),
SND_SOC_DAPM_ADC_E("DMIC4", NULL, SND_SOC_NOPM, 0, 0,
sitar_codec_enable_dmic, SND_SOC_DAPM_PRE_PMU |
SND_SOC_DAPM_POST_PMD),
/* Sidetone */
SND_SOC_DAPM_MUX("IIR1 INP1 MUX", SND_SOC_NOPM, 0, 0, &iir1_inp1_mux),
SND_SOC_DAPM_PGA("IIR1", SITAR_A_CDC_CLK_SD_CTL, 0, 0, NULL, 0),
};
static const struct snd_soc_dapm_route audio_map[] = {
/* Earpiece (RX MIX1) */
{"EAR", NULL, "EAR PA"},
{"EAR PA", "NULL", "DAC1"},
{"DAC1", "Switch", "DAC1 MUX"},
{"DAC1", NULL, "CP"},
{"DAC1", NULL, "EAR DRIVER"},
{"LINEOUT1", NULL, "CP"},
{"LINEOUT2", NULL, "CP"},
{"LINEOUT2", NULL, "LINEOUT2 PA"},
{"LINEOUT2 PA", "NULL", "DAC3 MUX"},
{"LINEOUT1", NULL, "LINEOUT1 PA"},
{"LINEOUT1 PA", "NULL", "DAC2 MUX"},
/* Headset (RX MIX1 and RX MIX2) */
{"HEADPHONE", NULL, "HPHL"},
{"HEADPHONE", NULL, "HPHR"},
{"HPHL", NULL, "HPHL DAC"},
{"HPHL DAC", NULL, "DAC4 MUX"},
{"HPHR", NULL, "HPHR DAC"},
{"HPHL DAC", NULL, "RX3 MIX1"},
{"DAC1 MUX", "RX1", "RX1 CHAIN"},
{"DAC2 MUX", "RX1", "RX1 CHAIN"},
{"DAC3 MUX", "RX1", "RX1 CHAIN"},
{"DAC3 MUX", "RX1_INV", "RX1 CHAIN"},
{"DAC3 MUX", "RX2", "RX2 MIX1"},
{"DAC4 MUX", "ON", "RX2 MIX1"},
{"RX1 CHAIN", NULL, "RX1 MIX1"},
{"CP", NULL, "RX_BIAS"},
{"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"},
/* SLIMBUS Connections */
/* Slimbus port 5 is non functional in Sitar 1.0 */
{"RX1 MIX1 INP1", "RX1", "SLIM RX1"},
{"RX1 MIX1 INP1", "RX2", "SLIM RX2"},
{"RX1 MIX1 INP1", "RX3", "SLIM RX3"},
{"RX1 MIX1 INP1", "RX4", "SLIM RX4"},
{"RX1 MIX1 INP1", "IIR1", "IIR1"},
{"RX1 MIX1 INP2", "RX1", "SLIM RX1"},
{"RX1 MIX1 INP2", "RX2", "SLIM RX2"},
{"RX1 MIX1 INP2", "RX3", "SLIM RX3"},
{"RX1 MIX1 INP2", "RX4", "SLIM RX4"},
{"RX1 MIX1 INP2", "IIR1", "IIR1"},
{"RX2 MIX1 INP1", "RX1", "SLIM RX1"},
{"RX2 MIX1 INP1", "RX2", "SLIM RX2"},
{"RX2 MIX1 INP1", "RX3", "SLIM RX3"},
{"RX2 MIX1 INP1", "RX4", "SLIM RX4"},
{"RX2 MIX1 INP1", "IIR1", "IIR1"},
{"RX2 MIX1 INP2", "RX1", "SLIM RX1"},
{"RX2 MIX1 INP2", "RX2", "SLIM RX2"},
{"RX2 MIX1 INP2", "RX3", "SLIM RX3"},
{"RX2 MIX1 INP2", "RX4", "SLIM RX4"},
{"RX2 MIX1 INP2", "IIR1", "IIR1"},
{"RX3 MIX1 INP1", "RX1", "SLIM RX1"},
{"RX3 MIX1 INP1", "RX2", "SLIM RX2"},
{"RX3 MIX1 INP1", "RX3", "SLIM RX3"},
{"RX3 MIX1 INP1", "RX4", "SLIM RX4"},
{"RX3 MIX1 INP1", "IIR1", "IIR1"},
{"RX3 MIX1 INP2", "RX1", "SLIM RX1"},
{"RX3 MIX1 INP2", "RX2", "SLIM RX2"},
{"RX3 MIX1 INP2", "RX3", "SLIM RX3"},
{"RX3 MIX1 INP2", "RX4", "SLIM RX4"},
{"RX3 MIX1 INP2", "IIR1", "IIR1"},
/* TX */
{"SLIM TX1", NULL, "SLIM TX1 MUX"},
{"MIC BIAS2 Internal1", NULL, "DEC1 MUX"},
{"SLIM TX2", NULL, "SLIM TX2 MUX"},
{"MIC BIAS2 Internal1", NULL, "DEC1 MUX"},
{"SLIM TX1", NULL, "SLIM TX1 MUX"},
{"SLIM TX2", NULL, "SLIM TX2 MUX"},
{"SLIM TX3", NULL, "SLIM TX3 MUX"},
{"SLIM TX1 MUX", "DEC1", "DEC1 MUX"},
{"SLIM TX2 MUX", "DEC2", "DEC2 MUX"},
{"SLIM TX3 MUX", "DEC3", "DEC3 MUX"},
/* Decimator Inputs */
{"DEC1 MUX", "DMIC1", "DMIC1"},
{"DEC1 MUX", "DMIC4", "DMIC4"},
{"DEC1 MUX", "ADC1", "ADC1"},
{"DEC1 MUX", "ADC2", "ADC2"},
{"DEC2 MUX", "DMIC2", "DMIC2"},
{"DEC2 MUX", "DMIC3", "DMIC3"},
{"DEC2 MUX", "ADC1", "ADC1"},
{"DEC2 MUX", "ADC2", "ADC2"},
{"DEC3 MUX", "DMIC3", "DMIC3"},
{"DEC3 MUX", "ADC1", "ADC1"},
{"DEC3 MUX", "ADC2", "ADC2"},
{"DEC3 MUX", "DMIC2", "DMIC2"},
{"DEC3 MUX", "DMIC3", "DMIC4"},
{"DEC4 MUX", "DMIC4", "DMIC4"},
{"DEC4 MUX", "ADC1", "ADC1"},
{"DEC4 MUX", "ADC2", "ADC2"},
{"DEC4 MUX", "DMIC3", "DMIC3"},
{"DEC4 MUX", "DMIC2", "DMIC2"},
{"DEC4 MUX", "DMIC1", "DMIC1"},
/* ADC Connections */
{"ADC1", NULL, "AMIC1"},
{"ADC2", NULL, "AMIC2"},
/* IIR */
{"IIR1", NULL, "IIR1 INP1 MUX"},
{"IIR1 INP1 MUX", "DEC1", "DEC1 MUX"},
{"MIC BIAS1 Internal1", NULL, "LDO_H"},
{"MIC BIAS1 External", NULL, "LDO_H"},
{"MIC BIAS2 Internal1", NULL, "LDO_H"},
{"MIC BIAS2 External", NULL, "LDO_H"},
};
static int sitar_readable(struct snd_soc_codec *ssc, unsigned int reg)
{
return sitar_reg_readable[reg];
}
static int sitar_volatile(struct snd_soc_codec *ssc, unsigned int reg)
{
/* Registers lower than 0x100 are top level registers which can be
* written by the Sitar core driver.
*/
if ((reg >= SITAR_A_CDC_MBHC_EN_CTL) || (reg < 0x100))
return 1;
/* IIR Coeff registers are not cacheable */
if ((reg >= SITAR_A_CDC_IIR1_COEF_B1_CTL) &&
(reg <= SITAR_A_CDC_IIR1_COEF_B5_CTL))
return 1;
return 0;
}
#define SITAR_FORMATS (SNDRV_PCM_FMTBIT_S16_LE)
static int sitar_write(struct snd_soc_codec *codec, unsigned int reg,
unsigned int value)
{
int ret;
BUG_ON(reg > SITAR_MAX_REGISTER);
if (!sitar_volatile(codec, reg)) {
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 wcd9xxx_reg_write(codec->control_data, reg, value);
}
static unsigned int sitar_read(struct snd_soc_codec *codec,
unsigned int reg)
{
unsigned int val;
int ret;
BUG_ON(reg > SITAR_MAX_REGISTER);
if (!sitar_volatile(codec, reg) && sitar_readable(codec, reg) &&
reg < codec->driver->reg_cache_size) {
ret = snd_soc_cache_read(codec, reg, &val);
if (ret >= 0) {
return val;
} else
dev_err(codec->dev, "Cache read from %x failed: %d\n",
reg, ret);
}
val = wcd9xxx_reg_read(codec->control_data, reg);
return val;
}
static void sitar_codec_enable_audio_mode_bandgap(struct snd_soc_codec *codec)
{
snd_soc_update_bits(codec, SITAR_A_LDO_H_MODE_1, 0x0C, 0x61);
snd_soc_update_bits(codec, SITAR_A_LDO_H_MODE_1, 0x80, 0x80);
usleep_range(1000, 1000);
snd_soc_write(codec, SITAR_A_BIAS_REF_CTL, 0x1C);
snd_soc_update_bits(codec, SITAR_A_BIAS_CENTRAL_BG_CTL, 0x80,
0x80);
snd_soc_update_bits(codec, SITAR_A_BIAS_CENTRAL_BG_CTL, 0x04,
0x04);
snd_soc_update_bits(codec, SITAR_A_BIAS_CENTRAL_BG_CTL, 0x01,
0x01);
usleep_range(1000, 1000);
snd_soc_update_bits(codec, SITAR_A_BIAS_CENTRAL_BG_CTL, 0x80,
0x00);
}
static void sitar_codec_enable_bandgap(struct snd_soc_codec *codec,
enum sitar_bandgap_type choice)
{
struct sitar_priv *sitar = snd_soc_codec_get_drvdata(codec);
/* TODO lock resources accessed by audio streams and threaded
* interrupt handlers
*/
pr_err("%s, choice is %d, current is %d\n", __func__, choice,
sitar->bandgap_type);
if (sitar->bandgap_type == choice)
return;
if ((sitar->bandgap_type == SITAR_BANDGAP_OFF) &&
(choice == SITAR_BANDGAP_AUDIO_MODE)) {
sitar_codec_enable_audio_mode_bandgap(codec);
} else if (choice == SITAR_BANDGAP_MBHC_MODE) {
snd_soc_update_bits(codec, SITAR_A_BIAS_CENTRAL_BG_CTL, 0x2,
0x2);
snd_soc_update_bits(codec, SITAR_A_BIAS_CENTRAL_BG_CTL, 0x80,
0x80);
snd_soc_update_bits(codec, SITAR_A_BIAS_CENTRAL_BG_CTL, 0x4,
0x4);
snd_soc_update_bits(codec, SITAR_A_BIAS_CENTRAL_BG_CTL, 0x01,
0x1);
usleep_range(1000, 1000);
snd_soc_update_bits(codec, SITAR_A_BIAS_CENTRAL_BG_CTL, 0x80,
0x00);
} else if ((sitar->bandgap_type == SITAR_BANDGAP_MBHC_MODE) &&
(choice == SITAR_BANDGAP_AUDIO_MODE)) {
snd_soc_write(codec, SITAR_A_BIAS_CENTRAL_BG_CTL, 0x50);
usleep_range(100, 100);
sitar_codec_enable_audio_mode_bandgap(codec);
} else if (choice == SITAR_BANDGAP_OFF) {
snd_soc_write(codec, SITAR_A_BIAS_CENTRAL_BG_CTL, 0x50);
} else {
pr_err("%s: Error, Invalid bandgap settings\n", __func__);
}
sitar->bandgap_type = choice;
}
static int sitar_codec_enable_clock_block(struct snd_soc_codec *codec,
int config_mode)
{
struct sitar_priv *sitar = snd_soc_codec_get_drvdata(codec);
pr_err("%s\n", __func__);
if (config_mode) {
snd_soc_write(codec, SITAR_A_CLK_BUFF_EN2, 0x00);
snd_soc_write(codec, SITAR_A_CLK_BUFF_EN2, 0x02);
snd_soc_write(codec, SITAR_A_CLK_BUFF_EN1, 0x0D);
usleep_range(1000, 1000);
} else
snd_soc_update_bits(codec, SITAR_A_CLK_BUFF_EN1, 0x08, 0x00);
snd_soc_update_bits(codec, SITAR_A_CLK_BUFF_EN1, 0x05, 0x05);
snd_soc_update_bits(codec, SITAR_A_CLK_BUFF_EN2, 0x02, 0x00);
snd_soc_update_bits(codec, SITAR_A_CLK_BUFF_EN2, 0x04, 0x04);
snd_soc_update_bits(codec, SITAR_A_CDC_CLK_MCLK_CTL, 0x01, 0x01);
snd_soc_update_bits(codec, SITAR_A_CDC_CLK_OTHR_CTL, 0x04, 0x04);
usleep_range(50, 50);
sitar->clock_active = true;
return 0;
}
static void sitar_codec_disable_clock_block(struct snd_soc_codec *codec)
{
struct sitar_priv *sitar = snd_soc_codec_get_drvdata(codec);
pr_err("%s\n", __func__);
snd_soc_update_bits(codec, SITAR_A_CDC_CLK_OTHR_CTL, 0x04, 0x04);
snd_soc_update_bits(codec, SITAR_A_CLK_BUFF_EN2, 0x04, 0x00);
ndelay(160);
snd_soc_update_bits(codec, SITAR_A_CLK_BUFF_EN2, 0x02, 0x02);
snd_soc_update_bits(codec, SITAR_A_CLK_BUFF_EN1, 0x05, 0x00);
sitar->clock_active = false;
}
static void sitar_codec_calibrate_hs_polling(struct snd_soc_codec *codec)
{
/* TODO store register values in calibration */
snd_soc_write(codec, SITAR_A_CDC_MBHC_VOLT_B5_CTL, 0x20);
snd_soc_write(codec, SITAR_A_CDC_MBHC_VOLT_B6_CTL, 0xFF);
snd_soc_write(codec, SITAR_A_CDC_MBHC_VOLT_B10_CTL, 0xFF);
snd_soc_write(codec, SITAR_A_CDC_MBHC_VOLT_B9_CTL, 0x20);
snd_soc_write(codec, SITAR_A_CDC_MBHC_VOLT_B4_CTL, 0xF8);
snd_soc_write(codec, SITAR_A_CDC_MBHC_VOLT_B3_CTL, 0xEE);
snd_soc_write(codec, SITAR_A_CDC_MBHC_VOLT_B2_CTL, 0xFC);
snd_soc_write(codec, SITAR_A_CDC_MBHC_VOLT_B1_CTL, 0xCE);
snd_soc_write(codec, SITAR_A_CDC_MBHC_TIMER_B1_CTL, 3);
snd_soc_write(codec, SITAR_A_CDC_MBHC_TIMER_B2_CTL, 9);
snd_soc_write(codec, SITAR_A_CDC_MBHC_TIMER_B3_CTL, 30);
snd_soc_write(codec, SITAR_A_CDC_MBHC_TIMER_B6_CTL, 120);
snd_soc_update_bits(codec, SITAR_A_CDC_MBHC_TIMER_B1_CTL, 0x78, 0x58);
snd_soc_write(codec, SITAR_A_CDC_MBHC_B2_CTL, 11);
}
static int sitar_startup(struct snd_pcm_substream *substream,
struct snd_soc_dai *dai)
{
pr_err("%s(): substream = %s stream = %d\n" , __func__,
substream->name, substream->stream);
return 0;
}
static void sitar_shutdown(struct snd_pcm_substream *substream,
struct snd_soc_dai *dai)
{
pr_err("%s(): substream = %s stream = %d\n" , __func__,
substream->name, substream->stream);
}
int sitar_mclk_enable(struct snd_soc_codec *codec, int mclk_enable)
{
struct sitar_priv *sitar = snd_soc_codec_get_drvdata(codec);
pr_err("%s() mclk_enable = %u\n", __func__, mclk_enable);
if (mclk_enable) {
sitar->mclk_enabled = true;
if (sitar->mbhc_polling_active && (sitar->mclk_enabled)) {
sitar_codec_pause_hs_polling(codec);
sitar_codec_enable_bandgap(codec,
SITAR_BANDGAP_AUDIO_MODE);
sitar_codec_enable_clock_block(codec, 0);
sitar_codec_calibrate_hs_polling(codec);
sitar_codec_start_hs_polling(codec);
} else {
sitar_codec_enable_bandgap(codec,
SITAR_BANDGAP_AUDIO_MODE);
sitar_codec_enable_clock_block(codec, 0);
}
} else {
if (!sitar->mclk_enabled) {
pr_err("Error, MCLK already diabled\n");
return -EINVAL;
}
sitar->mclk_enabled = false;
if (sitar->mbhc_polling_active) {
if (!sitar->mclk_enabled) {
sitar_codec_pause_hs_polling(codec);
sitar_codec_enable_bandgap(codec,
SITAR_BANDGAP_MBHC_MODE);
sitar_enable_rx_bias(codec, 1);
sitar_codec_enable_clock_block(codec, 1);
sitar_codec_calibrate_hs_polling(codec);
sitar_codec_start_hs_polling(codec);
}
snd_soc_update_bits(codec, SITAR_A_CLK_BUFF_EN1,
0x05, 0x01);
} else {
sitar_codec_disable_clock_block(codec);
sitar_codec_enable_bandgap(codec,
SITAR_BANDGAP_OFF);
}
}
return 0;
}
static int sitar_set_dai_sysclk(struct snd_soc_dai *dai,
int clk_id, unsigned int freq, int dir)
{
pr_err("%s\n", __func__);
return 0;
}
static int sitar_set_dai_fmt(struct snd_soc_dai *dai, unsigned int fmt)
{
u8 val = 0;
struct sitar_priv *sitar = snd_soc_codec_get_drvdata(dai->codec);
pr_err("%s\n", __func__);
switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
case SND_SOC_DAIFMT_CBS_CFS:
/* CPU is master */
if (sitar->intf_type == WCD9XXX_INTERFACE_TYPE_I2C) {
if (dai->id == AIF1_CAP)
snd_soc_update_bits(dai->codec,
SITAR_A_CDC_CLK_TX_I2S_CTL,
SITAR_I2S_MASTER_MODE_MASK, 0);
else if (dai->id == AIF1_PB)
snd_soc_update_bits(dai->codec,
SITAR_A_CDC_CLK_RX_I2S_CTL,
SITAR_I2S_MASTER_MODE_MASK, 0);
}
break;
case SND_SOC_DAIFMT_CBM_CFM:
/* CPU is slave */
if (sitar->intf_type == WCD9XXX_INTERFACE_TYPE_I2C) {
val = SITAR_I2S_MASTER_MODE_MASK;
if (dai->id == AIF1_CAP)
snd_soc_update_bits(dai->codec,
SITAR_A_CDC_CLK_TX_I2S_CTL, val, val);
else if (dai->id == AIF1_PB)
snd_soc_update_bits(dai->codec,
SITAR_A_CDC_CLK_RX_I2S_CTL, val, val);
}
break;
default:
return -EINVAL;
}
return 0;
}
static int sitar_set_channel_map(struct snd_soc_dai *dai,
unsigned int tx_num, unsigned int *tx_slot,
unsigned int rx_num, unsigned int *rx_slot)
{
struct sitar_priv *sitar = snd_soc_codec_get_drvdata(dai->codec);
u32 i = 0;
if (!tx_slot && !rx_slot) {
pr_err("%s: Invalid\n", __func__);
return -EINVAL;
}
pr_debug("%s: DAI-ID %x %d %d\n", __func__, dai->id, tx_num, rx_num);
if (dai->id == AIF1_PB) {
for (i = 0; i < rx_num; i++) {
sitar->dai[dai->id - 1].ch_num[i] = rx_slot[i];
sitar->dai[dai->id - 1].ch_act = 0;
sitar->dai[dai->id - 1].ch_tot = rx_num;
}
} else if (dai->id == AIF1_CAP) {
for (i = 0; i < tx_num; i++) {
sitar->dai[dai->id - 1].ch_num[i] = tx_slot[i];
sitar->dai[dai->id - 1].ch_act = 0;
sitar->dai[dai->id - 1].ch_tot = tx_num;
}
}
return 0;
}
static int sitar_get_channel_map(struct snd_soc_dai *dai,
unsigned int *tx_num, unsigned int *tx_slot,
unsigned int *rx_num, unsigned int *rx_slot)
{
struct wcd9xxx *sitar = dev_get_drvdata(dai->codec->control_data);
u32 cnt = 0;
u32 tx_ch[SLIM_MAX_TX_PORTS];
u32 rx_ch[SLIM_MAX_RX_PORTS];
if (!rx_slot && !tx_slot) {
pr_err("%s: Invalid\n", __func__);
return -EINVAL;
}
pr_debug("%s: DAI-ID %x\n", __func__, dai->id);
/* for virtual port, codec driver needs to do
* housekeeping, for now should be ok
*/
wcd9xxx_get_channel(sitar, rx_ch, tx_ch);
if (dai->id == AIF1_PB) {
*rx_num = sitar_dai[dai->id - 1].playback.channels_max;
while (cnt < *rx_num) {
rx_slot[cnt] = rx_ch[cnt];
cnt++;
}
} else if (dai->id == AIF1_CAP) {
*tx_num = sitar_dai[dai->id - 1].capture.channels_max;
while (cnt < *tx_num) {
tx_slot[cnt] = tx_ch[6 + cnt];
cnt++;
}
}
return 0;
}
static int sitar_hw_params(struct snd_pcm_substream *substream,
struct snd_pcm_hw_params *params,
struct snd_soc_dai *dai)
{
struct snd_soc_codec *codec = dai->codec;
struct sitar_priv *sitar = snd_soc_codec_get_drvdata(dai->codec);
u8 path, shift;
u16 tx_fs_reg, rx_fs_reg;
u8 tx_fs_rate, rx_fs_rate, rx_state, tx_state;
pr_err("%s: DAI-ID %x\n", __func__, dai->id);
switch (params_rate(params)) {
case 8000:
tx_fs_rate = 0x00;
rx_fs_rate = 0x00;
break;
case 16000:
tx_fs_rate = 0x01;
rx_fs_rate = 0x20;
break;
case 32000:
tx_fs_rate = 0x02;
rx_fs_rate = 0x40;
break;
case 48000:
tx_fs_rate = 0x03;
rx_fs_rate = 0x60;
break;
default:
pr_err("%s: Invalid sampling rate %d\n", __func__,
params_rate(params));
return -EINVAL;
}
/**
* If current dai is a tx dai, set sample rate to
* all the txfe paths that are currently not active
*/
if (dai->id == AIF1_CAP) {
tx_state = snd_soc_read(codec,
SITAR_A_CDC_CLK_TX_CLK_EN_B1_CTL);
for (path = 1, shift = 0;
path <= NUM_DECIMATORS; path++, shift++) {
if (!(tx_state & (1 << shift))) {
tx_fs_reg = SITAR_A_CDC_TX1_CLK_FS_CTL
+ (BITS_PER_REG*(path-1));
snd_soc_update_bits(codec, tx_fs_reg,
0x03, tx_fs_rate);
}
}
if (sitar->intf_type == WCD9XXX_INTERFACE_TYPE_I2C) {
switch (params_format(params)) {
case SNDRV_PCM_FORMAT_S16_LE:
snd_soc_update_bits(codec,
SITAR_A_CDC_CLK_TX_I2S_CTL,
0x20, 0x20);
break;
case SNDRV_PCM_FORMAT_S32_LE:
snd_soc_update_bits(codec,
SITAR_A_CDC_CLK_TX_I2S_CTL,
0x20, 0x00);
break;
default:
pr_err("invalid format\n");
break;
}
snd_soc_update_bits(codec, SITAR_A_CDC_CLK_TX_I2S_CTL,
0x03, tx_fs_rate);
}
} else {
sitar->dai[dai->id - 1].rate = params_rate(params);
}
/**
* TODO: Need to handle case where same RX chain takes 2 or more inputs
* with varying sample rates
*/
/**
* If current dai is a rx dai, set sample rate to
* all the rx paths that are currently not active
*/
if (dai->id == AIF1_PB) {
rx_state = snd_soc_read(codec,
SITAR_A_CDC_CLK_RX_B1_CTL);
for (path = 1, shift = 0;
path <= NUM_INTERPOLATORS; path++, shift++) {
if (!(rx_state & (1 << shift))) {
rx_fs_reg = SITAR_A_CDC_RX1_B5_CTL
+ (BITS_PER_REG*(path-1));
snd_soc_update_bits(codec, rx_fs_reg,
0xE0, rx_fs_rate);
}
}
if (sitar->intf_type == WCD9XXX_INTERFACE_TYPE_I2C) {
switch (params_format(params)) {
case SNDRV_PCM_FORMAT_S16_LE:
snd_soc_update_bits(codec,
SITAR_A_CDC_CLK_RX_I2S_CTL,
0x20, 0x20);
break;
case SNDRV_PCM_FORMAT_S32_LE:
snd_soc_update_bits(codec,
SITAR_A_CDC_CLK_RX_I2S_CTL,
0x20, 0x00);
break;
default:
pr_err("invalid format\n");
break;
}
snd_soc_update_bits(codec, SITAR_A_CDC_CLK_RX_I2S_CTL,
0x03, (rx_fs_rate >> 0x05));
}
} else {
sitar->dai[dai->id - 1].rate = params_rate(params);
}
return 0;
}
static struct snd_soc_dai_ops sitar_dai_ops = {
.startup = sitar_startup,
.shutdown = sitar_shutdown,
.hw_params = sitar_hw_params,
.set_sysclk = sitar_set_dai_sysclk,
.set_fmt = sitar_set_dai_fmt,
.set_channel_map = sitar_set_channel_map,
.get_channel_map = sitar_get_channel_map,
};
static struct snd_soc_dai_driver sitar_dai[] = {
{
.name = "sitar_rx1",
.id = AIF1_PB,
.playback = {
.stream_name = "AIF1 Playback",
.rates = WCD9304_RATES,
.formats = SITAR_FORMATS,
.rate_max = 48000,
.rate_min = 8000,
.channels_min = 1,
.channels_max = 2,
},
.ops = &sitar_dai_ops,
},
{
.name = "sitar_tx1",
.id = AIF1_CAP,
.capture = {
.stream_name = "AIF1 Capture",
.rates = WCD9304_RATES,
.formats = SITAR_FORMATS,
.rate_max = 48000,
.rate_min = 8000,
.channels_min = 1,
.channels_max = 2,
},
.ops = &sitar_dai_ops,
},
};
static int sitar_codec_enable_slimrx(struct snd_soc_dapm_widget *w,
struct snd_kcontrol *kcontrol, int event)
{
struct wcd9xxx *sitar;
struct snd_soc_codec *codec = w->codec;
struct sitar_priv *sitar_p = snd_soc_codec_get_drvdata(codec);
u32 j = 0;
codec->control_data = dev_get_drvdata(codec->dev->parent);
sitar = codec->control_data;
/* Execute the callback only if interface type is slimbus */
if (sitar_p->intf_type != WCD9XXX_INTERFACE_TYPE_SLIMBUS)
return 0;
switch (event) {
case SND_SOC_DAPM_POST_PMU:
for (j = 0; j < ARRAY_SIZE(sitar_dai); j++) {
if (sitar_dai[j].id == AIF1_CAP)
continue;
if (!strncmp(w->sname,
sitar_dai[j].playback.stream_name, 13)) {
++sitar_p->dai[j].ch_act;
break;
}
}
if (sitar_p->dai[j].ch_act == sitar_p->dai[j].ch_tot)
wcd9xxx_cfg_slim_sch_rx(sitar,
sitar_p->dai[j].ch_num,
sitar_p->dai[j].ch_tot,
sitar_p->dai[j].rate);
break;
case SND_SOC_DAPM_POST_PMD:
for (j = 0; j < ARRAY_SIZE(sitar_dai); j++) {
if (sitar_dai[j].id == AIF1_CAP)
continue;
if (!strncmp(w->sname,
sitar_dai[j].playback.stream_name, 13)) {
--sitar_p->dai[j].ch_act;
break;
}
}
if (!sitar_p->dai[j].ch_act) {
wcd9xxx_close_slim_sch_rx(sitar,
sitar_p->dai[j].ch_num,
sitar_p->dai[j].ch_tot);
sitar_p->dai[j].rate = 0;
memset(sitar_p->dai[j].ch_num, 0, (sizeof(u32)*
sitar_p->dai[j].ch_tot));
sitar_p->dai[j].ch_tot = 0;
}
}
return 0;
}
static int sitar_codec_enable_slimtx(struct snd_soc_dapm_widget *w,
struct snd_kcontrol *kcontrol, int event)
{
struct wcd9xxx *sitar;
struct snd_soc_codec *codec = w->codec;
struct sitar_priv *sitar_p = snd_soc_codec_get_drvdata(codec);
/* index to the DAI ID, for now hardcoding */
u32 j = 0;
codec->control_data = dev_get_drvdata(codec->dev->parent);
sitar = codec->control_data;
/* Execute the callback only if interface type is slimbus */
if (sitar_p->intf_type != WCD9XXX_INTERFACE_TYPE_SLIMBUS)
return 0;
switch (event) {
case SND_SOC_DAPM_POST_PMU:
for (j = 0; j < ARRAY_SIZE(sitar_dai); j++) {
if (sitar_dai[j].id == AIF1_PB)
continue;
if (!strncmp(w->sname,
sitar_dai[j].capture.stream_name, 13)) {
++sitar_p->dai[j].ch_act;
break;
}
}
if (sitar_p->dai[j].ch_act == sitar_p->dai[j].ch_tot)
wcd9xxx_cfg_slim_sch_tx(sitar,
sitar_p->dai[j].ch_num,
sitar_p->dai[j].ch_tot,
sitar_p->dai[j].rate);
break;
case SND_SOC_DAPM_POST_PMD:
for (j = 0; j < ARRAY_SIZE(sitar_dai); j++) {
if (sitar_dai[j].id == AIF1_PB)
continue;
if (!strncmp(w->sname,
sitar_dai[j].capture.stream_name, 13)) {
--sitar_p->dai[j].ch_act;
break;
}
}
if (!sitar_p->dai[j].ch_act) {
wcd9xxx_close_slim_sch_tx(sitar,
sitar_p->dai[j].ch_num,
sitar_p->dai[j].ch_tot);
sitar_p->dai[j].rate = 0;
memset(sitar_p->dai[j].ch_num, 0, (sizeof(u32)*
sitar_p->dai[j].ch_tot));
sitar_p->dai[j].ch_tot = 0;
}
}
return 0;
}
static short sitar_codec_read_sta_result(struct snd_soc_codec *codec)
{
u8 bias_msb, bias_lsb;
short bias_value;
bias_msb = snd_soc_read(codec, SITAR_A_CDC_MBHC_B3_STATUS);
bias_lsb = snd_soc_read(codec, SITAR_A_CDC_MBHC_B2_STATUS);
bias_value = (bias_msb << 8) | bias_lsb;
return bias_value;
}
static short sitar_codec_read_dce_result(struct snd_soc_codec *codec)
{
u8 bias_msb, bias_lsb;
short bias_value;
bias_msb = snd_soc_read(codec, SITAR_A_CDC_MBHC_B5_STATUS);
bias_lsb = snd_soc_read(codec, SITAR_A_CDC_MBHC_B4_STATUS);
bias_value = (bias_msb << 8) | bias_lsb;
return bias_value;
}
static short sitar_codec_measure_micbias_voltage(struct snd_soc_codec *codec,
int dce)
{
short bias_value;
if (dce) {
snd_soc_update_bits(codec, SITAR_A_CDC_MBHC_CLK_CTL, 0x8, 0x8);
snd_soc_write(codec, SITAR_A_CDC_MBHC_EN_CTL, 0x4);
snd_soc_update_bits(codec, SITAR_A_CDC_MBHC_CLK_CTL, 0x8, 0x0);
snd_soc_write(codec, SITAR_A_CDC_MBHC_EN_CTL, 0x4);
usleep_range(60000, 60000);
bias_value = sitar_codec_read_dce_result(codec);
} else {
snd_soc_update_bits(codec, SITAR_A_CDC_MBHC_CLK_CTL, 0x8, 0x8);
snd_soc_write(codec, SITAR_A_CDC_MBHC_EN_CTL, 0x2);
snd_soc_update_bits(codec, SITAR_A_CDC_MBHC_CLK_CTL, 0x8, 0x0);
usleep_range(5000, 5000);
snd_soc_write(codec, SITAR_A_CDC_MBHC_EN_CTL, 0x2);
usleep_range(50, 50);
bias_value = sitar_codec_read_sta_result(codec);
snd_soc_update_bits(codec, SITAR_A_CDC_MBHC_CLK_CTL, 0x8, 0x8);
snd_soc_write(codec, SITAR_A_CDC_MBHC_EN_CTL, 0x0);
}
pr_err("read microphone bias value %x\n", bias_value);
return bias_value;
}
static short sitar_codec_setup_hs_polling(struct snd_soc_codec *codec)
{
struct sitar_priv *sitar = snd_soc_codec_get_drvdata(codec);
struct sitar_mbhc_calibration *calibration = sitar->calibration;
short bias_value;
u8 cfilt_mode;
if (!calibration) {
pr_err("Error, no sitar calibration\n");
return -ENODEV;
}
sitar->mbhc_polling_active = true;
if (!sitar->mclk_enabled) {
sitar_codec_enable_bandgap(codec, SITAR_BANDGAP_MBHC_MODE);
sitar_enable_rx_bias(codec, 1);
sitar_codec_enable_clock_block(codec, 1);
}
snd_soc_update_bits(codec, SITAR_A_CLK_BUFF_EN1, 0x05, 0x01);
snd_soc_update_bits(codec, SITAR_A_TX_COM_BIAS, 0xE0, 0xE0);
/* Make sure CFILT is in fast mode, save current mode */
cfilt_mode = snd_soc_read(codec,
sitar->mbhc_bias_regs.cfilt_ctl);
snd_soc_update_bits(codec, sitar->mbhc_bias_regs.cfilt_ctl,
0x70, 0x00);
snd_soc_update_bits(codec,
sitar->mbhc_bias_regs.ctl_reg, 0x1F, 0x16);
snd_soc_update_bits(codec, SITAR_A_CDC_MBHC_CLK_CTL, 0x2, 0x2);
snd_soc_write(codec, SITAR_A_MBHC_SCALING_MUX_1, 0x84);
snd_soc_update_bits(codec, SITAR_A_CDC_MBHC_CLK_CTL, 0x8, 0x8);
snd_soc_update_bits(codec, SITAR_A_CDC_MBHC_CLK_CTL, 0x8, 0x00);
snd_soc_update_bits(codec, SITAR_A_CDC_MBHC_B1_CTL, 0x6, 0x6);
snd_soc_update_bits(codec, SITAR_A_CDC_MBHC_CLK_CTL, 0x8, 0x8);
sitar_codec_calibrate_hs_polling(codec);
bias_value = sitar_codec_measure_micbias_voltage(codec, 0);
snd_soc_update_bits(codec,
sitar->mbhc_bias_regs.cfilt_ctl, 0x40, cfilt_mode);
snd_soc_update_bits(codec, SITAR_A_MBHC_HPH, 0x13, 0x00);
return bias_value;
}
static int sitar_codec_enable_hs_detect(struct snd_soc_codec *codec,
int insertion)
{
struct sitar_priv *sitar = snd_soc_codec_get_drvdata(codec);
struct sitar_mbhc_calibration *calibration = sitar->calibration;
int central_bias_enabled = 0;
u8 wg_time;
if (!calibration) {
pr_err("Error, no sitar calibration\n");
return -EINVAL;
}
snd_soc_update_bits(codec, SITAR_A_CDC_MBHC_INT_CTL, 0x1, 0);
if (insertion) {
/* Make sure mic bias and Mic line schmitt trigger
* are turned OFF
*/
snd_soc_update_bits(codec, sitar->mbhc_bias_regs.ctl_reg,
0x81, 0x01);
snd_soc_update_bits(codec, sitar->mbhc_bias_regs.mbhc_reg,
0x90, 0x00);
wg_time = snd_soc_read(codec, SITAR_A_RX_HPH_CNP_WG_TIME) ;
wg_time += 1;
/* Enable HPH Schmitt Trigger */
snd_soc_update_bits(codec, SITAR_A_MBHC_HPH, 0x11, 0x11);
snd_soc_update_bits(codec, SITAR_A_MBHC_HPH, 0x0C,
calibration->hph_current << 2);
/* Turn off HPH PAs and DAC's during insertion detection to
* avoid false insertion interrupts
*/
if (sitar->mbhc_micbias_switched)
sitar_codec_switch_micbias(codec, 0);
snd_soc_update_bits(codec, SITAR_A_RX_HPH_CNP_EN, 0x30, 0x00);
snd_soc_update_bits(codec, SITAR_A_RX_HPH_L_DAC_CTL,
0xC0, 0x00);
snd_soc_update_bits(codec, SITAR_A_RX_HPH_R_DAC_CTL,
0xC0, 0x00);
usleep_range(wg_time * 1000, wg_time * 1000);
/* setup for insetion detection */
snd_soc_update_bits(codec, SITAR_A_MBHC_HPH, 0x02, 0x02);
snd_soc_update_bits(codec, SITAR_A_CDC_MBHC_INT_CTL, 0x2, 0);
} else {
/* Make sure the HPH schmitt trigger is OFF */
snd_soc_update_bits(codec, SITAR_A_MBHC_HPH, 0x12, 0x00);
/* enable the mic line schmitt trigger */
snd_soc_update_bits(codec, sitar->mbhc_bias_regs.mbhc_reg, 0x60,
calibration->mic_current << 5);
snd_soc_update_bits(codec, sitar->mbhc_bias_regs.mbhc_reg,
0x80, 0x80);
usleep_range(calibration->mic_pid, calibration->mic_pid);
snd_soc_update_bits(codec, sitar->mbhc_bias_regs.mbhc_reg,
0x10, 0x10);
/* Setup for low power removal detection */
snd_soc_update_bits(codec, SITAR_A_CDC_MBHC_INT_CTL, 0x2, 0x2);
}
if (snd_soc_read(codec, SITAR_A_CDC_MBHC_B1_CTL) & 0x4) {
if (!(sitar->clock_active)) {
snd_soc_update_bits(codec, SITAR_A_CDC_MBHC_B1_CTL,
0x06, 0);
usleep_range(calibration->shutdown_plug_removal,
calibration->shutdown_plug_removal);
} else
snd_soc_update_bits(codec, SITAR_A_CDC_MBHC_B1_CTL,
0x06, 0);
}
snd_soc_update_bits(codec, sitar->mbhc_bias_regs.int_rbias, 0x80, 0);
/* If central bandgap disabled */
if (!(snd_soc_read(codec, SITAR_A_PIN_CTL_OE1) & 1)) {
snd_soc_update_bits(codec, SITAR_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, SITAR_A_PIN_CTL_OE0) & 0x80) {
snd_soc_update_bits(codec, SITAR_A_PIN_CTL_OE0, 0x10, 0);
snd_soc_update_bits(codec, SITAR_A_PIN_CTL_OE0, 0x80, 0x80);
usleep_range(calibration->tldoh, calibration->tldoh);
snd_soc_update_bits(codec, SITAR_A_PIN_CTL_OE0, 0x80, 0);
if (central_bias_enabled)
snd_soc_update_bits(codec, SITAR_A_PIN_CTL_OE1, 0x1, 0);
}
wcd9xxx_enable_irq(codec->control_data, SITAR_IRQ_MBHC_INSERTION);
snd_soc_update_bits(codec, SITAR_A_CDC_MBHC_INT_CTL, 0x1, 0x1);
return 0;
}
static void sitar_lock_sleep(struct sitar_priv *sitar)
{
int ret;
while (!(ret = wait_event_timeout(sitar->pm_wq,
atomic_inc_not_zero(&sitar->pm_cnt),
2 * HZ))) {
pr_err("%s: didn't wake up for 2000ms (%d), pm_cnt %d\n",
__func__, ret, atomic_read(&sitar->pm_cnt));
WARN_ON_ONCE(1);
}
}
static void sitar_unlock_sleep(struct sitar_priv *sitar)
{
atomic_dec(&sitar->pm_cnt);
wake_up(&sitar->pm_wq);
}
static void btn0_lpress_fn(struct work_struct *work)
{
struct delayed_work *delayed_work;
struct sitar_priv *sitar;
pr_err("%s:\n", __func__);
delayed_work = to_delayed_work(work);
sitar = container_of(delayed_work, struct sitar_priv, btn0_dwork);
if (sitar) {
if (sitar->button_jack) {
pr_err("%s: Reporting long button press event\n",
__func__);
sitar_snd_soc_jack_report(sitar, sitar->button_jack,
SND_JACK_BTN_0,
SND_JACK_BTN_0);
}
} else {
pr_err("%s: Bad sitar private data\n", __func__);
}
sitar_unlock_sleep(sitar);
}
int sitar_hs_detect(struct snd_soc_codec *codec,
struct snd_soc_jack *headset_jack, struct snd_soc_jack *button_jack,
struct sitar_mbhc_calibration *calibration)
{
struct sitar_priv *sitar;
int rc;
if (!codec || !calibration) {
pr_err("Error: no codec or calibration\n");
return -EINVAL;
}
sitar = snd_soc_codec_get_drvdata(codec);
sitar->headset_jack = headset_jack;
sitar->button_jack = button_jack;
sitar->calibration = calibration;
sitar_get_mbhc_micbias_regs(codec, &sitar->mbhc_bias_regs);
/* Put CFILT in fast mode by default */
snd_soc_update_bits(codec, sitar->mbhc_bias_regs.cfilt_ctl,
0x40, SITAR_CFILT_FAST_MODE);
INIT_DELAYED_WORK(&sitar->btn0_dwork, btn0_lpress_fn);
INIT_WORK(&sitar->hphlocp_work, hphlocp_off_report);
INIT_WORK(&sitar->hphrocp_work, hphrocp_off_report);
rc = sitar_codec_enable_hs_detect(codec, 1);
if (!IS_ERR_VALUE(rc)) {
snd_soc_update_bits(codec, SITAR_A_RX_HPH_OCP_CTL, 0x10,
0x10);
wcd9xxx_enable_irq(codec->control_data,
SITAR_IRQ_HPH_PA_OCPL_FAULT);
wcd9xxx_enable_irq(codec->control_data,
SITAR_IRQ_HPH_PA_OCPR_FAULT);
}
return rc;
}
EXPORT_SYMBOL_GPL(sitar_hs_detect);
static irqreturn_t sitar_dce_handler(int irq, void *data)
{
struct sitar_priv *priv = data;
struct snd_soc_codec *codec = priv->codec;
short bias_value;
wcd9xxx_disable_irq(codec->control_data, SITAR_IRQ_MBHC_REMOVAL);
wcd9xxx_disable_irq(codec->control_data, SITAR_IRQ_MBHC_POTENTIAL);
sitar_lock_sleep(priv);
bias_value = sitar_codec_read_dce_result(codec);
pr_err("%s: button press interrupt, bias value(DCE Read)=%d\n",
__func__, bias_value);
bias_value = sitar_codec_read_sta_result(codec);
pr_err("%s: button press interrupt, bias value(STA Read)=%d\n",
__func__, bias_value);
/*
* TODO: If button pressed is not button 0,
* report the button press event immediately.
*/
priv->buttons_pressed |= SND_JACK_BTN_0;
msleep(100);
if (schedule_delayed_work(&priv->btn0_dwork,
msecs_to_jiffies(400)) == 0) {
WARN(1, "Button pressed twice without release event\n");
sitar_unlock_sleep(priv);
}
return IRQ_HANDLED;
}
static irqreturn_t sitar_release_handler(int irq, void *data)
{
struct sitar_priv *priv = data;
struct snd_soc_codec *codec = priv->codec;
int ret, mic_voltage;
pr_err("%s\n", __func__);
wcd9xxx_disable_irq(codec->control_data, SITAR_IRQ_MBHC_RELEASE);
sitar_lock_sleep(priv);
mic_voltage = sitar_codec_read_dce_result(codec);
pr_err("%s: Microphone Voltage on release(DCE Read) = %d\n",
__func__, mic_voltage);
if (priv->buttons_pressed & SND_JACK_BTN_0) {
ret = cancel_delayed_work(&priv->btn0_dwork);
if (ret == 0) {
pr_err("%s: Reporting long button release event\n",
__func__);
if (priv->button_jack) {
sitar_snd_soc_jack_report(priv,
priv->button_jack, 0,
SND_JACK_BTN_0);
}
} else {
/* if scheduled btn0_dwork is canceled from here,
* we have to unlock from here instead btn0_work */
sitar_unlock_sleep(priv);
mic_voltage =
sitar_codec_measure_micbias_voltage(codec, 0);
pr_err("%s: Mic Voltage on release(new STA) = %d\n",
__func__, mic_voltage);
if (mic_voltage < -2000 || mic_voltage > -670) {
pr_err("%s: Fake buttton press interrupt\n",
__func__);
} else {
if (priv->button_jack) {
pr_err("%s:reporting short button press and release\n",
__func__);
sitar_snd_soc_jack_report(priv,
priv->button_jack,
SND_JACK_BTN_0, SND_JACK_BTN_0);
sitar_snd_soc_jack_report(priv,
priv->button_jack,
0, SND_JACK_BTN_0);
}
}
}
priv->buttons_pressed &= ~SND_JACK_BTN_0;
}
sitar_codec_start_hs_polling(codec);
sitar_unlock_sleep(priv);
return IRQ_HANDLED;
}
static void sitar_codec_shutdown_hs_removal_detect(struct snd_soc_codec *codec)
{
struct sitar_priv *sitar = snd_soc_codec_get_drvdata(codec);
struct sitar_mbhc_calibration *calibration = sitar->calibration;
snd_soc_update_bits(codec, SITAR_A_CDC_MBHC_CLK_CTL, 0x2, 0x2);
snd_soc_update_bits(codec, SITAR_A_CDC_MBHC_B1_CTL, 0x6, 0x0);
snd_soc_update_bits(codec,
sitar->mbhc_bias_regs.mbhc_reg, 0x80, 0x00);
usleep_range(calibration->shutdown_plug_removal,
calibration->shutdown_plug_removal);
snd_soc_update_bits(codec, SITAR_A_CDC_MBHC_CLK_CTL, 0xA, 0x8);
snd_soc_write(codec, SITAR_A_MBHC_SCALING_MUX_1, 0x00);
}
static void sitar_codec_shutdown_hs_polling(struct snd_soc_codec *codec)
{
struct sitar_priv *sitar = snd_soc_codec_get_drvdata(codec);
sitar_codec_shutdown_hs_removal_detect(codec);
if (!sitar->mclk_enabled) {
snd_soc_update_bits(codec, SITAR_A_TX_COM_BIAS, 0xE0, 0x00);
sitar_codec_enable_bandgap(codec, SITAR_BANDGAP_AUDIO_MODE);
sitar_codec_enable_clock_block(codec, 0);
}
sitar->mbhc_polling_active = false;
}
static irqreturn_t sitar_hphl_ocp_irq(int irq, void *data)
{
struct sitar_priv *sitar = data;
struct snd_soc_codec *codec;
pr_info("%s: received HPHL OCP irq\n", __func__);
if (sitar) {
codec = sitar->codec;
if (sitar->hphlocp_cnt++ < SITAR_OCP_ATTEMPT) {
pr_info("%s: retry\n", __func__);
snd_soc_update_bits(codec, SITAR_A_RX_HPH_OCP_CTL, 0x10,
0x00);
snd_soc_update_bits(codec, SITAR_A_RX_HPH_OCP_CTL, 0x10,
0x10);
} else {
wcd9xxx_disable_irq(codec->control_data,
SITAR_IRQ_HPH_PA_OCPL_FAULT);
sitar->hphlocp_cnt = 0;
sitar->hph_status |= SND_JACK_OC_HPHL;
if (sitar->headset_jack)
sitar_snd_soc_jack_report(sitar,
sitar->headset_jack,
sitar->hph_status,
SITAR_JACK_MASK);
}
} else {
pr_err("%s: Bad sitar private data\n", __func__);
}
return IRQ_HANDLED;
}
static irqreturn_t sitar_hphr_ocp_irq(int irq, void *data)
{
struct sitar_priv *sitar = data;
struct snd_soc_codec *codec;
pr_info("%s: received HPHR OCP irq\n", __func__);
if (sitar) {
codec = sitar->codec;
if (sitar->hphrocp_cnt++ < SITAR_OCP_ATTEMPT) {
pr_info("%s: retry\n", __func__);
snd_soc_update_bits(codec, SITAR_A_RX_HPH_OCP_CTL, 0x10,
0x00);
snd_soc_update_bits(codec, SITAR_A_RX_HPH_OCP_CTL, 0x10,
0x10);
} else {
wcd9xxx_disable_irq(codec->control_data,
SITAR_IRQ_HPH_PA_OCPR_FAULT);
sitar->hphrocp_cnt = 0;
sitar->hph_status |= SND_JACK_OC_HPHR;
if (sitar->headset_jack)
sitar_snd_soc_jack_report(sitar,
sitar->headset_jack,
sitar->hph_status,
SITAR_JACK_MASK);
}
} else {
pr_err("%s: Bad sitar private data\n", __func__);
}
return IRQ_HANDLED;
}
static void sitar_sync_hph_state(struct sitar_priv *sitar)
{
if (test_and_clear_bit(SITAR_HPHR_PA_OFF_ACK,
&sitar->hph_pa_dac_state)) {
pr_err("%s: HPHR clear flag and enable PA\n", __func__);
snd_soc_update_bits(sitar->codec, SITAR_A_RX_HPH_CNP_EN, 0x10,
1 << 4);
}
if (test_and_clear_bit(SITAR_HPHL_PA_OFF_ACK,
&sitar->hph_pa_dac_state)) {
pr_err("%s: HPHL clear flag and enable PA\n", __func__);
snd_soc_update_bits(sitar->codec, SITAR_A_RX_HPH_CNP_EN, 0x20,
1 << 5);
}
if (test_and_clear_bit(SITAR_HPHR_DAC_OFF_ACK,
&sitar->hph_pa_dac_state)) {
pr_err("%s: HPHR clear flag and enable DAC\n", __func__);
snd_soc_update_bits(sitar->codec, SITAR_A_RX_HPH_R_DAC_CTL,
0xC0, 0xC0);
}
if (test_and_clear_bit(SITAR_HPHL_DAC_OFF_ACK,
&sitar->hph_pa_dac_state)) {
pr_err("%s: HPHL clear flag and enable DAC\n", __func__);
snd_soc_update_bits(sitar->codec, SITAR_A_RX_HPH_L_DAC_CTL,
0xC0, 0xC0);
}
}
static irqreturn_t sitar_hs_insert_irq(int irq, void *data)
{
struct sitar_priv *priv = data;
struct snd_soc_codec *codec = priv->codec;
int ldo_h_on, micb_cfilt_on;
short mic_voltage;
short threshold_no_mic = 0xF7F6;
short threshold_fake_insert = 0xFD30;
u8 is_removal;
pr_err("%s\n", __func__);
wcd9xxx_disable_irq(codec->control_data, SITAR_IRQ_MBHC_INSERTION);
sitar_lock_sleep(priv);
is_removal = snd_soc_read(codec, SITAR_A_CDC_MBHC_INT_CTL) & 0x02;
snd_soc_update_bits(codec, SITAR_A_CDC_MBHC_INT_CTL, 0x03, 0x00);
/* Turn off both HPH and MIC line schmitt triggers */
snd_soc_update_bits(codec, priv->mbhc_bias_regs.mbhc_reg,
0x90, 0x00);
snd_soc_update_bits(codec, SITAR_A_MBHC_HPH, 0x13, 0x00);
if (priv->fake_insert_context) {
pr_err("%s: fake context interrupt, reset insertion\n",
__func__);
priv->fake_insert_context = false;
sitar_codec_shutdown_hs_polling(codec);
sitar_codec_enable_hs_detect(codec, 1);
return IRQ_HANDLED;
}
ldo_h_on = snd_soc_read(codec, SITAR_A_LDO_H_MODE_1) & 0x80;
micb_cfilt_on = snd_soc_read(codec,
priv->mbhc_bias_regs.cfilt_ctl) & 0x80;
if (!ldo_h_on)
snd_soc_update_bits(codec, SITAR_A_LDO_H_MODE_1, 0x80, 0x80);
if (!micb_cfilt_on)
snd_soc_update_bits(codec, priv->mbhc_bias_regs.cfilt_ctl,
0x80, 0x80);
usleep_range(priv->calibration->setup_plug_removal_delay,
priv->calibration->setup_plug_removal_delay);
if (!ldo_h_on)
snd_soc_update_bits(codec, SITAR_A_LDO_H_MODE_1, 0x80, 0x0);
if (!micb_cfilt_on)
snd_soc_update_bits(codec, priv->mbhc_bias_regs.cfilt_ctl,
0x80, 0x0);
if (is_removal) {
/*
* If headphone is removed while playback is in progress,
* it is possible that micbias will be switched to VDDIO.
*/
if (priv->mbhc_micbias_switched)
sitar_codec_switch_micbias(codec, 0);
priv->hph_status &= ~SND_JACK_HEADPHONE;
/* If headphone PA is on, check if userspace receives
* removal event to sync-up PA's state */
if (sitar_is_hph_pa_on(codec)) {
set_bit(SITAR_HPHL_PA_OFF_ACK, &priv->hph_pa_dac_state);
set_bit(SITAR_HPHR_PA_OFF_ACK, &priv->hph_pa_dac_state);
}
if (sitar_is_hph_dac_on(codec, 1))
set_bit(SITAR_HPHL_DAC_OFF_ACK,
&priv->hph_pa_dac_state);
if (sitar_is_hph_dac_on(codec, 0))
set_bit(SITAR_HPHR_DAC_OFF_ACK,
&priv->hph_pa_dac_state);
if (priv->headset_jack) {
pr_err("%s: Reporting removal\n", __func__);
sitar_snd_soc_jack_report(priv, priv->headset_jack,
priv->hph_status,
SITAR_JACK_MASK);
}
sitar_codec_shutdown_hs_removal_detect(codec);
sitar_codec_enable_hs_detect(codec, 1);
sitar_unlock_sleep(priv);
return IRQ_HANDLED;
}
mic_voltage = sitar_codec_setup_hs_polling(codec);
if (mic_voltage > threshold_fake_insert) {
pr_err("%s: Fake insertion interrupt, mic_voltage = %x\n",
__func__, mic_voltage);
/* Disable HPH trigger and enable MIC line trigger */
snd_soc_update_bits(codec, SITAR_A_MBHC_HPH, 0x12, 0x00);
snd_soc_update_bits(codec, priv->mbhc_bias_regs.mbhc_reg, 0x60,
priv->calibration->mic_current << 5);
snd_soc_update_bits(codec, priv->mbhc_bias_regs.mbhc_reg,
0x80, 0x80);
usleep_range(priv->calibration->mic_pid,
priv->calibration->mic_pid);
snd_soc_update_bits(codec, priv->mbhc_bias_regs.mbhc_reg,
0x10, 0x10);
/* Setup for insertion detection */
snd_soc_update_bits(codec, SITAR_A_CDC_MBHC_INT_CTL, 0x2, 0);
priv->fake_insert_context = true;
wcd9xxx_enable_irq(codec->control_data,
SITAR_IRQ_MBHC_INSERTION);
snd_soc_update_bits(codec, SITAR_A_CDC_MBHC_INT_CTL, 0x1, 0x1);
} else if (mic_voltage < threshold_no_mic) {
pr_err("%s: Headphone Detected, mic_voltage = %x\n",
__func__, mic_voltage);
priv->hph_status |= SND_JACK_HEADPHONE;
if (priv->headset_jack) {
pr_err("%s: Reporting insertion %d\n", __func__,
SND_JACK_HEADPHONE);
sitar_snd_soc_jack_report(priv, priv->headset_jack,
priv->hph_status,
SITAR_JACK_MASK);
}
sitar_codec_shutdown_hs_polling(codec);
sitar_codec_enable_hs_detect(codec, 0);
sitar_sync_hph_state(priv);
} else {
pr_err("%s: Headset detected, mic_voltage = %x\n",
__func__, mic_voltage);
priv->hph_status |= SND_JACK_HEADSET;
if (priv->headset_jack) {
pr_err("%s: Reporting insertion %d\n", __func__,
SND_JACK_HEADSET);
sitar_snd_soc_jack_report(priv, priv->headset_jack,
priv->hph_status,
SITAR_JACK_MASK);
}
sitar_codec_start_hs_polling(codec);
sitar_sync_hph_state(priv);
}
sitar_unlock_sleep(priv);
return IRQ_HANDLED;
}
static irqreturn_t sitar_hs_remove_irq(int irq, void *data)
{
struct sitar_priv *priv = data;
struct snd_soc_codec *codec = priv->codec;
short bias_value;
wcd9xxx_disable_irq(codec->control_data, SITAR_IRQ_MBHC_REMOVAL);
wcd9xxx_disable_irq(codec->control_data, SITAR_IRQ_MBHC_POTENTIAL);
wcd9xxx_disable_irq(codec->control_data, SITAR_IRQ_MBHC_RELEASE);
sitar_lock_sleep(priv);
usleep_range(priv->calibration->shutdown_plug_removal,
priv->calibration->shutdown_plug_removal);
bias_value = sitar_codec_measure_micbias_voltage(codec, 1);
pr_err("removal interrupt, bias value is %d\n", bias_value);
if (bias_value < -90) {
pr_err("False alarm, headset not actually removed\n");
sitar_codec_start_hs_polling(codec);
} else {
/*
* If this removal is not false, first check the micbias
* switch status and switch it to LDOH if it is already
* switched to VDDIO.
*/
if (priv->mbhc_micbias_switched)
sitar_codec_switch_micbias(codec, 0);
priv->hph_status &= ~SND_JACK_HEADSET;
if (priv->headset_jack) {
pr_err("%s: Reporting removal\n", __func__);
sitar_snd_soc_jack_report(priv, priv->headset_jack, 0,
SITAR_JACK_MASK);
}
sitar_codec_shutdown_hs_polling(codec);
sitar_codec_enable_hs_detect(codec, 1);
}
sitar_unlock_sleep(priv);
return IRQ_HANDLED;
}
static unsigned long slimbus_value;
static irqreturn_t sitar_slimbus_irq(int irq, void *data)
{
struct sitar_priv *priv = data;
struct snd_soc_codec *codec = priv->codec;
int i, j;
u8 val;
sitar_lock_sleep(priv);
for (i = 0; i < WCD9XXX_SLIM_NUM_PORT_REG; i++) {
slimbus_value = wcd9xxx_interface_reg_read(codec->control_data,
SITAR_SLIM_PGD_PORT_INT_STATUS0 + i);
for_each_set_bit(j, &slimbus_value, BITS_PER_BYTE) {
val = wcd9xxx_interface_reg_read(codec->control_data,
SITAR_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);
}
wcd9xxx_interface_reg_write(codec->control_data,
SITAR_SLIM_PGD_PORT_INT_CLR0 + i, 0xFF);
}
sitar_unlock_sleep(priv);
return IRQ_HANDLED;
}
static int sitar_handle_pdata(struct sitar_priv *sitar)
{
struct snd_soc_codec *codec = sitar->codec;
struct wcd9xxx_pdata *pdata = sitar->pdata;
int k1, k2, rc = 0;
u8 leg_mode = pdata->amic_settings.legacy_mode;
u8 txfe_bypass = pdata->amic_settings.txfe_enable;
u8 txfe_buff = pdata->amic_settings.txfe_buff;
u8 flag = pdata->amic_settings.use_pdata;
u8 i = 0, j = 0;
u8 val_txfe = 0, value = 0;
if (!pdata) {
rc = -ENODEV;
goto done;
}
/* Make sure settings are correct */
if ((pdata->micbias.ldoh_v > SITAR_LDOH_2P85_V) ||
(pdata->micbias.bias1_cfilt_sel > SITAR_CFILT2_SEL) ||
(pdata->micbias.bias2_cfilt_sel > SITAR_CFILT2_SEL)) {
rc = -EINVAL;
goto done;
}
/* figure out k value */
k1 = sitar_find_k_value(pdata->micbias.ldoh_v,
pdata->micbias.cfilt1_mv);
k2 = sitar_find_k_value(pdata->micbias.ldoh_v,
pdata->micbias.cfilt2_mv);
if (IS_ERR_VALUE(k1) || IS_ERR_VALUE(k2)) {
rc = -EINVAL;
goto done;
}
/* Set voltage level and always use LDO */
snd_soc_update_bits(codec, SITAR_A_MICB_CFILT_1_VAL, 0xFC,
(k1 << 2));
snd_soc_update_bits(codec, SITAR_A_MICB_CFILT_2_VAL, 0xFC,
(k2 << 2));
snd_soc_update_bits(codec, SITAR_A_MICB_1_CTL, 0x60,
(pdata->micbias.bias1_cfilt_sel << 5));
snd_soc_update_bits(codec, SITAR_A_MICB_2_CTL, 0x60,
(pdata->micbias.bias2_cfilt_sel << 5));
for (i = 0; i < 6; j++, i += 2) {
if (flag & (0x01 << i)) {
value = (leg_mode & (0x01 << i)) ? 0x10 : 0x00;
val_txfe = (txfe_bypass & (0x01 << i)) ? 0x20 : 0x00;
val_txfe = val_txfe |
((txfe_buff & (0x01 << i)) ? 0x10 : 0x00);
snd_soc_update_bits(codec, SITAR_A_TX_1_2_EN + j * 10,
0x10, value);
snd_soc_update_bits(codec,
SITAR_A_TX_1_2_TEST_EN + j * 10,
0x30, val_txfe);
}
if (flag & (0x01 << (i + 1))) {
value = (leg_mode & (0x01 << (i + 1))) ? 0x01 : 0x00;
val_txfe = (txfe_bypass &
(0x01 << (i + 1))) ? 0x02 : 0x00;
val_txfe |= (txfe_buff &
(0x01 << (i + 1))) ? 0x01 : 0x00;
snd_soc_update_bits(codec, SITAR_A_TX_1_2_EN + j * 10,
0x01, value);
snd_soc_update_bits(codec,
SITAR_A_TX_1_2_TEST_EN + j * 10,
0x03, val_txfe);
}
}
if (pdata->ocp.use_pdata) {
/* not defined in CODEC specification */
if (pdata->ocp.hph_ocp_limit == 1 ||
pdata->ocp.hph_ocp_limit == 5) {
rc = -EINVAL;
goto done;
}
snd_soc_update_bits(codec, SITAR_A_RX_COM_OCP_CTL,
0x0F, pdata->ocp.num_attempts);
snd_soc_write(codec, SITAR_A_RX_COM_OCP_COUNT,
((pdata->ocp.run_time << 4) | pdata->ocp.wait_time));
snd_soc_update_bits(codec, SITAR_A_RX_HPH_OCP_CTL,
0xE0, (pdata->ocp.hph_ocp_limit << 5));
}
done:
return rc;
}
static const struct sitar_reg_mask_val sitar_1_1_reg_defaults[] = {
/* Sitar 1.1 MICBIAS changes */
SITAR_REG_VAL(SITAR_A_MICB_1_INT_RBIAS, 0x24),
SITAR_REG_VAL(SITAR_A_MICB_2_INT_RBIAS, 0x24),
/* Sitar 1.1 HPH changes */
SITAR_REG_VAL(SITAR_A_RX_HPH_BIAS_PA, 0x57),
SITAR_REG_VAL(SITAR_A_RX_HPH_BIAS_LDO, 0x56),
/* Sitar 1.1 EAR PA changes */
SITAR_REG_VAL(SITAR_A_RX_EAR_BIAS_PA, 0xA6),
SITAR_REG_VAL(SITAR_A_RX_EAR_GAIN, 0x02),
SITAR_REG_VAL(SITAR_A_RX_EAR_VCM, 0x03),
/* Sitar 1.1 RX Changes */
SITAR_REG_VAL(SITAR_A_CDC_RX1_B5_CTL, 0x78),
/* Sitar 1.1 RX1 and RX2 Changes */
SITAR_REG_VAL(SITAR_A_CDC_RX1_B6_CTL, 0x80),
SITAR_REG_VAL(SITAR_A_CDC_CLSG_FREQ_THRESH_B3_CTL, 0x1B),
};
static void sitar_update_reg_defaults(struct snd_soc_codec *codec)
{
u32 i;
for (i = 0; i < ARRAY_SIZE(sitar_1_1_reg_defaults); i++)
snd_soc_write(codec, sitar_1_1_reg_defaults[i].reg,
sitar_1_1_reg_defaults[i].val);
}
static const struct sitar_reg_mask_val sitar_codec_reg_init_val[] = {
/* Initialize current threshold to 350MA
* number of wait and run cycles to 4096
*/
{SITAR_A_RX_HPH_OCP_CTL, 0xF8, 0x60},
{SITAR_A_RX_COM_OCP_COUNT, 0xFF, 0xFF},
{SITAR_A_QFUSE_CTL, 0xFF, 0x03},
/* Initialize gain registers to use register gain */
{SITAR_A_RX_HPH_L_GAIN, 0x10, 0x10},
{SITAR_A_RX_HPH_R_GAIN, 0x10, 0x10},
{SITAR_A_RX_LINE_1_GAIN, 0x10, 0x10},
{SITAR_A_RX_LINE_2_GAIN, 0x10, 0x10},
/* Initialize mic biases to differential mode */
{SITAR_A_MICB_1_INT_RBIAS, 0x24, 0x24},
{SITAR_A_MICB_2_INT_RBIAS, 0x24, 0x24},
{SITAR_A_CDC_CONN_CLSG_CTL, 0x3C, 0x14},
/* Use 16 bit sample size for TX1 to TX6 */
{SITAR_A_CDC_CONN_TX_SB_B1_CTL, 0x30, 0x28},
{SITAR_A_CDC_CONN_TX_SB_B2_CTL, 0x30, 0x20},
{SITAR_A_CDC_CONN_TX_SB_B3_CTL, 0x30, 0x20},
{SITAR_A_CDC_CONN_TX_SB_B4_CTL, 0x30, 0x20},
{SITAR_A_CDC_CONN_TX_SB_B5_CTL, 0x30, 0x20},
/* Use 16 bit sample size for RX */
{SITAR_A_CDC_CONN_RX_SB_B1_CTL, 0xFF, 0xAA},
{SITAR_A_CDC_CONN_RX_SB_B2_CTL, 0x02, 0x02},
/*enable HPF filter for TX paths */
{SITAR_A_CDC_TX1_MUX_CTL, 0x8, 0x0},
};
static void sitar_codec_init_reg(struct snd_soc_codec *codec)
{
u32 i;
for (i = 0; i < ARRAY_SIZE(sitar_codec_reg_init_val); i++)
snd_soc_update_bits(codec, sitar_codec_reg_init_val[i].reg,
sitar_codec_reg_init_val[i].mask,
sitar_codec_reg_init_val[i].val);
}
static int sitar_codec_probe(struct snd_soc_codec *codec)
{
struct sitar *control;
struct sitar_priv *sitar;
struct snd_soc_dapm_context *dapm = &codec->dapm;
int ret = 0;
int i;
u8 sitar_version;
int ch_cnt;
codec->control_data = dev_get_drvdata(codec->dev->parent);
control = codec->control_data;
sitar = kzalloc(sizeof(struct sitar_priv), GFP_KERNEL);
if (!sitar) {
dev_err(codec->dev, "Failed to allocate private data\n");
return -ENOMEM;
}
/* Make sure mbhc micbias register addresses are zeroed out */
memset(&sitar->mbhc_bias_regs, 0,
sizeof(struct mbhc_micbias_regs));
sitar->cfilt_k_value = 0;
sitar->mbhc_micbias_switched = false;
snd_soc_codec_set_drvdata(codec, sitar);
sitar->mclk_enabled = false;
sitar->bandgap_type = SITAR_BANDGAP_OFF;
sitar->clock_active = false;
sitar->config_mode_active = false;
sitar->mbhc_polling_active = false;
sitar->fake_insert_context = false;
sitar->no_mic_headset_override = false;
sitar->codec = codec;
sitar->pdata = dev_get_platdata(codec->dev->parent);
atomic_set(&sitar->pm_cnt, 1);
init_waitqueue_head(&sitar->pm_wq);
sitar_update_reg_defaults(codec);
sitar_codec_init_reg(codec);
ret = sitar_handle_pdata(sitar);
if (IS_ERR_VALUE(ret)) {
pr_err("%s: bad pdata\n", __func__);
goto err_pdata;
}
snd_soc_add_controls(codec, sitar_snd_controls,
ARRAY_SIZE(sitar_snd_controls));
snd_soc_dapm_new_controls(dapm, sitar_dapm_widgets,
ARRAY_SIZE(sitar_dapm_widgets));
snd_soc_dapm_add_routes(dapm, audio_map, ARRAY_SIZE(audio_map));
sitar_version = snd_soc_read(codec, WCD9XXX_A_CHIP_VERSION);
pr_info("%s : Sitar version reg 0x%2x\n", __func__, (u32)sitar_version);
sitar_version &= 0x1F;
pr_info("%s : Sitar version %u\n", __func__, (u32)sitar_version);
snd_soc_dapm_sync(dapm);
ret = wcd9xxx_request_irq(codec->control_data, SITAR_IRQ_MBHC_INSERTION,
sitar_hs_insert_irq, "Headset insert detect", sitar);
if (ret) {
pr_err("%s: Failed to request irq %d\n", __func__,
SITAR_IRQ_MBHC_INSERTION);
goto err_insert_irq;
}
wcd9xxx_disable_irq(codec->control_data, SITAR_IRQ_MBHC_INSERTION);
ret = wcd9xxx_request_irq(codec->control_data, SITAR_IRQ_MBHC_REMOVAL,
sitar_hs_remove_irq, "Headset remove detect", sitar);
if (ret) {
pr_err("%s: Failed to request irq %d\n", __func__,
SITAR_IRQ_MBHC_REMOVAL);
goto err_remove_irq;
}
wcd9xxx_disable_irq(codec->control_data, SITAR_IRQ_MBHC_REMOVAL);
ret = wcd9xxx_request_irq(codec->control_data, SITAR_IRQ_MBHC_POTENTIAL,
sitar_dce_handler, "DC Estimation detect", sitar);
if (ret) {
pr_err("%s: Failed to request irq %d\n", __func__,
SITAR_IRQ_MBHC_POTENTIAL);
goto err_potential_irq;
}
wcd9xxx_disable_irq(codec->control_data, SITAR_IRQ_MBHC_POTENTIAL);
ret = wcd9xxx_request_irq(codec->control_data, SITAR_IRQ_MBHC_RELEASE,
sitar_release_handler, "Button Release detect", sitar);
if (ret) {
pr_err("%s: Failed to request irq %d\n", __func__,
SITAR_IRQ_MBHC_RELEASE);
goto err_release_irq;
}
wcd9xxx_disable_irq(codec->control_data, SITAR_IRQ_MBHC_RELEASE);
ret = wcd9xxx_request_irq(codec->control_data, SITAR_IRQ_SLIMBUS,
sitar_slimbus_irq, "SLIMBUS Slave", sitar);
if (ret) {
pr_err("%s: Failed to request irq %d\n", __func__,
SITAR_IRQ_SLIMBUS);
goto err_slimbus_irq;
}
for (i = 0; i < WCD9XXX_SLIM_NUM_PORT_REG; i++)
wcd9xxx_interface_reg_write(codec->control_data,
SITAR_SLIM_PGD_PORT_INT_EN0 + i, 0xFF);
ret = wcd9xxx_request_irq(codec->control_data,
SITAR_IRQ_HPH_PA_OCPL_FAULT, sitar_hphl_ocp_irq,
"HPH_L OCP detect", sitar);
if (ret) {
pr_err("%s: Failed to request irq %d\n", __func__,
SITAR_IRQ_HPH_PA_OCPL_FAULT);
goto err_hphl_ocp_irq;
}
wcd9xxx_disable_irq(codec->control_data, SITAR_IRQ_HPH_PA_OCPL_FAULT);
ret = wcd9xxx_request_irq(codec->control_data,
SITAR_IRQ_HPH_PA_OCPR_FAULT, sitar_hphr_ocp_irq,
"HPH_R OCP detect", sitar);
if (ret) {
pr_err("%s: Failed to request irq %d\n", __func__,
SITAR_IRQ_HPH_PA_OCPR_FAULT);
goto err_hphr_ocp_irq;
}
wcd9xxx_disable_irq(codec->control_data, SITAR_IRQ_HPH_PA_OCPR_FAULT);
for (i = 0; i < ARRAY_SIZE(sitar_dai); i++) {
switch (sitar_dai[i].id) {
case AIF1_PB:
ch_cnt = sitar_dai[i].playback.channels_max;
break;
case AIF1_CAP:
ch_cnt = sitar_dai[i].capture.channels_max;
break;
default:
continue;
}
sitar->dai[i].ch_num = kzalloc((sizeof(unsigned int)*
ch_cnt), GFP_KERNEL);
}
#ifdef CONFIG_DEBUG_FS
debug_sitar_priv = sitar;
#endif
return ret;
err_hphr_ocp_irq:
wcd9xxx_free_irq(codec->control_data,
SITAR_IRQ_HPH_PA_OCPL_FAULT, sitar);
err_hphl_ocp_irq:
wcd9xxx_free_irq(codec->control_data,
SITAR_IRQ_SLIMBUS, sitar);
err_slimbus_irq:
wcd9xxx_free_irq(codec->control_data,
SITAR_IRQ_MBHC_RELEASE, sitar);
err_release_irq:
wcd9xxx_free_irq(codec->control_data,
SITAR_IRQ_MBHC_POTENTIAL, sitar);
err_potential_irq:
wcd9xxx_free_irq(codec->control_data,
SITAR_IRQ_MBHC_REMOVAL, sitar);
err_remove_irq:
wcd9xxx_free_irq(codec->control_data,
SITAR_IRQ_MBHC_INSERTION, sitar);
err_insert_irq:
err_pdata:
kfree(sitar);
return ret;
}
static int sitar_codec_remove(struct snd_soc_codec *codec)
{
int i;
struct sitar_priv *sitar = snd_soc_codec_get_drvdata(codec);
wcd9xxx_free_irq(codec->control_data, SITAR_IRQ_SLIMBUS, sitar);
wcd9xxx_free_irq(codec->control_data, SITAR_IRQ_MBHC_RELEASE, sitar);
wcd9xxx_free_irq(codec->control_data, SITAR_IRQ_MBHC_POTENTIAL, sitar);
wcd9xxx_free_irq(codec->control_data, SITAR_IRQ_MBHC_REMOVAL, sitar);
wcd9xxx_free_irq(codec->control_data, SITAR_IRQ_MBHC_INSERTION, sitar);
sitar_codec_disable_clock_block(codec);
sitar_codec_enable_bandgap(codec, SITAR_BANDGAP_OFF);
for (i = 0; i < ARRAY_SIZE(sitar_dai); i++)
kfree(sitar->dai[i].ch_num);
kfree(sitar);
return 0;
}
static struct snd_soc_codec_driver soc_codec_dev_sitar = {
.probe = sitar_codec_probe,
.remove = sitar_codec_remove,
.read = sitar_read,
.write = sitar_write,
.readable_register = sitar_readable,
.volatile_register = sitar_volatile,
.reg_cache_size = SITAR_CACHE_SIZE,
.reg_cache_default = sitar_reg_defaults,
.reg_word_size = 1,
};
#ifdef CONFIG_DEBUG_FS
static struct dentry *debugfs_poke;
static int codec_debug_open(struct inode *inode, struct file *file)
{
file->private_data = inode->i_private;
return 0;
}
static ssize_t codec_debug_write(struct file *filp,
const char __user *ubuf, size_t cnt, loff_t *ppos)
{
char lbuf[32];
char *buf;
int rc;
if (cnt > sizeof(lbuf) - 1)
return -EINVAL;
rc = copy_from_user(lbuf, ubuf, cnt);
if (rc)
return -EFAULT;
lbuf[cnt] = '\0';
buf = (char *)lbuf;
debug_sitar_priv->no_mic_headset_override = (*strsep(&buf, " ") == '0')
? false : true;
return rc;
}
static const struct file_operations codec_debug_ops = {
.open = codec_debug_open,
.write = codec_debug_write,
};
#endif
#ifdef CONFIG_PM
static int sitar_suspend(struct device *dev)
{
int ret = 0, cnt;
struct platform_device *pdev = to_platform_device(dev);
struct sitar_priv *sitar = platform_get_drvdata(pdev);
cnt = atomic_read(&sitar->pm_cnt);
if (cnt > 0) {
if (wait_event_timeout(sitar->pm_wq,
(atomic_cmpxchg(&sitar->pm_cnt, 1, 0)
== 1), 5 * HZ)) {
dev_dbg(dev, "system suspend pm_cnt %d\n",
atomic_read(&sitar->pm_cnt));
} else {
dev_err(dev, "%s timed out pm_cnt = %d\n",
__func__, atomic_read(&sitar->pm_cnt));
WARN_ON_ONCE(1);
ret = -EBUSY;
}
} else if (cnt == 0)
dev_warn(dev, "system is already in suspend, pm_cnt %d\n",
atomic_read(&sitar->pm_cnt));
else {
WARN(1, "unexpected pm_cnt %d\n", cnt);
ret = -EFAULT;
}
return ret;
}
static int sitar_resume(struct device *dev)
{
int ret = 0, cnt;
struct platform_device *pdev = to_platform_device(dev);
struct sitar_priv *sitar = platform_get_drvdata(pdev);
cnt = atomic_cmpxchg(&sitar->pm_cnt, 0, 1);
if (cnt == 0) {
dev_dbg(dev, "system resume, pm_cnt %d\n",
atomic_read(&sitar->pm_cnt));
wake_up_all(&sitar->pm_wq);
} else if (cnt > 0)
dev_warn(dev, "system is already awake, pm_cnt %d\n", cnt);
else {
WARN(1, "unexpected pm_cnt %d\n", cnt);
ret = -EFAULT;
}
return ret;
}
static const struct dev_pm_ops sitar_pm_ops = {
.suspend = sitar_suspend,
.resume = sitar_resume,
};
#endif
static int __devinit sitar_probe(struct platform_device *pdev)
{
int ret = 0;
pr_err("%s\n", __func__);
#ifdef CONFIG_DEBUG_FS
debugfs_poke = debugfs_create_file("TRRS",
S_IFREG | S_IRUGO, NULL, (void *) "TRRS", &codec_debug_ops);
#endif
ret = snd_soc_register_codec(&pdev->dev, &soc_codec_dev_sitar,
sitar_dai, ARRAY_SIZE(sitar_dai));
return ret;
}
static int __devexit sitar_remove(struct platform_device *pdev)
{
snd_soc_unregister_codec(&pdev->dev);
#ifdef CONFIG_DEBUG_FS
debugfs_remove(debugfs_poke);
#endif
return 0;
}
static struct platform_driver sitar_codec_driver = {
.probe = sitar_probe,
.remove = sitar_remove,
.driver = {
.name = "sitar_codec",
.owner = THIS_MODULE,
#ifdef CONFIG_PM
.pm = &sitar_pm_ops,
#endif
},
};
static int __init sitar_codec_init(void)
{
return platform_driver_register(&sitar_codec_driver);
}
static void __exit sitar_codec_exit(void)
{
platform_driver_unregister(&sitar_codec_driver);
}
module_init(sitar_codec_init);
module_exit(sitar_codec_exit);
MODULE_DESCRIPTION("Sitar codec driver");
MODULE_VERSION("1.0");
MODULE_LICENSE("GPL v2");