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ASoC: bolero: Update TX HPF sequence for AMIC

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Update TX HPF sequence for AMIC to avoid pop during
audio capture.

Change-Id: Ib70fc5cd05f67c97977db96487294bfe14f554ad
Signed-off-by: Sudheer Papothi <spapothi@codeaurora.org>
This commit is contained in:
Sudheer Papothi
2019-12-13 00:49:16 +05:30
committed by Gerrit - the friendly Code Review server
parent 669089fdbd
commit 4d1a9042f2
2 changed files with 127 additions and 60 deletions
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80
asoc/codecs/bolero/tx-macro.c
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@@ -40,12 +40,15 @@
#define TX_MACRO_MCLK_FREQ 9600000
#define TX_MACRO_TX_PATH_OFFSET 0x80
#define TX_MACRO_SWR_MIC_MUX_SEL_MASK 0xF
#define TX_MACRO_ADC_MUX_CFG_OFFSET 0x2
#define TX_MACRO_ADC_MUX_CFG_OFFSET 0x8
#define TX_MACRO_ADC_MODE_CFG0_SHIFT 1
#define TX_MACRO_TX_UNMUTE_DELAY_MS 40
#define TX_MACRO_DMIC_UNMUTE_DELAY_MS 40
#define TX_MACRO_AMIC_UNMUTE_DELAY_MS 100
#define TX_MACRO_DMIC_HPF_DELAY_MS 300
#define TX_MACRO_AMIC_HPF_DELAY_MS 300
static int tx_unmute_delay = TX_MACRO_TX_UNMUTE_DELAY_MS;
static int tx_unmute_delay = TX_MACRO_DMIC_UNMUTE_DELAY_MS;
module_param(tx_unmute_delay, int, 0664);
MODULE_PARM_DESC(tx_unmute_delay, "delay to unmute the tx path");
@@ -424,6 +427,25 @@ static int tx_macro_reg_wake_irq(struct snd_soc_component *component,
return ret;
}
static int is_amic_enabled(struct snd_soc_component *component, int decimator)
{
u16 adc_mux_reg = 0, adc_reg = 0;
u16 adc_n = BOLERO_ADC_MAX;
adc_mux_reg = BOLERO_CDC_TX_INP_MUX_ADC_MUX0_CFG1 +
TX_MACRO_ADC_MUX_CFG_OFFSET * decimator;
if (snd_soc_component_read32(component, adc_mux_reg) & SWR_MIC) {
adc_reg = BOLERO_CDC_TX_INP_MUX_ADC_MUX0_CFG0 +
TX_MACRO_ADC_MUX_CFG_OFFSET * decimator;
adc_n = snd_soc_component_read32(component, adc_reg) &
TX_MACRO_SWR_MIC_MUX_SEL_MASK;
if (adc_n >= BOLERO_ADC_MAX)
adc_n = BOLERO_ADC_MAX;
}
return adc_n;
}
static void tx_macro_tx_hpf_corner_freq_callback(struct work_struct *work)
{
struct delayed_work *hpf_delayed_work = NULL;
@@ -432,7 +454,7 @@ static void tx_macro_tx_hpf_corner_freq_callback(struct work_struct *work)
struct snd_soc_component *component = NULL;
u16 dec_cfg_reg = 0, hpf_gate_reg = 0;
u8 hpf_cut_off_freq = 0;
u16 adc_mux_reg = 0, adc_n = 0, adc_reg = 0;
u16 adc_n = 0;
hpf_delayed_work = to_delayed_work(work);
hpf_work = container_of(hpf_delayed_work, struct hpf_work, dwork);
@@ -448,26 +470,30 @@ static void tx_macro_tx_hpf_corner_freq_callback(struct work_struct *work)
dev_dbg(component->dev, "%s: decimator %u hpf_cut_of_freq 0x%x\n",
__func__, hpf_work->decimator, hpf_cut_off_freq);
adc_mux_reg = BOLERO_CDC_TX_INP_MUX_ADC_MUX0_CFG1 +
TX_MACRO_ADC_MUX_CFG_OFFSET * hpf_work->decimator;
if (snd_soc_component_read32(component, adc_mux_reg) & SWR_MIC) {
adc_reg = BOLERO_CDC_TX_INP_MUX_ADC_MUX0_CFG0 +
TX_MACRO_ADC_MUX_CFG_OFFSET * hpf_work->decimator;
adc_n = snd_soc_component_read32(component, adc_reg) &
TX_MACRO_SWR_MIC_MUX_SEL_MASK;
if (adc_n >= BOLERO_ADC_MAX)
goto tx_hpf_set;
adc_n = is_amic_enabled(component, hpf_work->decimator);
if (adc_n < BOLERO_ADC_MAX) {
/* analog mic clear TX hold */
bolero_clear_amic_tx_hold(component->dev, adc_n);
snd_soc_component_update_bits(component,
dec_cfg_reg, TX_HPF_CUT_OFF_FREQ_MASK,
hpf_cut_off_freq << 5);
snd_soc_component_update_bits(component, hpf_gate_reg,
0x03, 0x02);
/* Minimum 1 clk cycle delay is required as per HW spec */
usleep_range(1000, 1010);
snd_soc_component_update_bits(component, hpf_gate_reg,
0x03, 0x01);
} else {
snd_soc_component_update_bits(component,
dec_cfg_reg, TX_HPF_CUT_OFF_FREQ_MASK,
hpf_cut_off_freq << 5);
snd_soc_component_update_bits(component, hpf_gate_reg,
0x02, 0x02);
/* Minimum 1 clk cycle delay is required as per HW spec */
usleep_range(1000, 1010);
snd_soc_component_update_bits(component, hpf_gate_reg,
0x02, 0x00);
}
tx_hpf_set:
snd_soc_component_update_bits(component,
dec_cfg_reg, TX_HPF_CUT_OFF_FREQ_MASK,
hpf_cut_off_freq << 5);
snd_soc_component_update_bits(component, hpf_gate_reg, 0x02, 0x02);
/* Minimum 1 clk cycle delay is required as per HW spec */
usleep_range(1000, 1010);
snd_soc_component_update_bits(component, hpf_gate_reg, 0x02, 0x00);
}
static void tx_macro_mute_update_callback(struct work_struct *work)
@@ -878,6 +904,8 @@ static int tx_macro_enable_dec(struct snd_soc_dapm_widget *w,
u16 hpf_gate_reg = 0;
u16 tx_gain_ctl_reg = 0;
u8 hpf_cut_off_freq = 0;
int hpf_delay = TX_MACRO_DMIC_HPF_DELAY_MS;
int unmute_delay = TX_MACRO_DMIC_UNMUTE_DELAY_MS;
struct device *tx_dev = NULL;
struct tx_macro_priv *tx_priv = NULL;
@@ -929,14 +957,20 @@ static int tx_macro_enable_dec(struct snd_soc_dapm_widget *w,
TX_HPF_CUT_OFF_FREQ_MASK,
CF_MIN_3DB_150HZ << 5);
if (is_amic_enabled(component, decimator) < BOLERO_ADC_MAX) {
hpf_delay = TX_MACRO_AMIC_HPF_DELAY_MS;
unmute_delay = TX_MACRO_AMIC_UNMUTE_DELAY_MS;
}
if (tx_unmute_delay < unmute_delay)
tx_unmute_delay = unmute_delay;
/* schedule work queue to Remove Mute */
schedule_delayed_work(&tx_priv->tx_mute_dwork[decimator].dwork,
msecs_to_jiffies(tx_unmute_delay));
if (tx_priv->tx_hpf_work[decimator].hpf_cut_off_freq !=
CF_MIN_3DB_150HZ) {
schedule_delayed_work(
&tx_priv->tx_hpf_work[decimator].dwork,
msecs_to_jiffies(300));
&tx_priv->tx_hpf_work[decimator].dwork,
msecs_to_jiffies(hpf_delay));
snd_soc_component_update_bits(component,
hpf_gate_reg, 0x03, 0x03);
/*