[v2] ASoC: rt1011: set tx/rx slots from tx/rx_mask in TDM case

Commit Message

Shuming [范書銘] Oct. 16, 2019, 8:57 a.m. UTC

From: Shuming Fan <[e-mail]>

The TX/RX slot configuration use tx/rx_mask which requested
by the machine driver.

Signed-off-by: Shuming Fan <[e-mail]>
---
 sound/soc/codecs/rt1011.c | 142 ++++++++++++++++++++++++++++++++++++--
 sound/soc/codecs/rt1011.h |  23 ++++++
 2 files changed, 160 insertions(+), 5 deletions(-)

Patch

diff --git a/sound/soc/codecs/rt1011.c b/sound/soc/codecs/rt1011.c
index be1e276e3631..b927e61b32df 100644
--- a/sound/soc/codecs/rt1011.c
+++ b/sound/soc/codecs/rt1011.c
@@ -1805,8 +1805,8 @@  static int rt1011_set_tdm_slot(struct snd_soc_dai *dai,
 	struct snd_soc_component *component = dai->component;
 	struct snd_soc_dapm_context *dapm =
 		snd_soc_component_get_dapm(component);
-	unsigned int val = 0, tdm_en = 0;
-	int ret = 0;
+	unsigned int val = 0, tdm_en = 0, rx_slotnum, tx_slotnum;
+	int ret = 0, first_bit, last_bit;
 
 	snd_soc_dapm_mutex_lock(dapm);
 	if (rx_mask || tx_mask)
@@ -1829,6 +1829,7 @@  static int rt1011_set_tdm_slot(struct snd_soc_dai *dai,
 		break;
 	default:
 		ret = -EINVAL;
+		goto _set_tdm_err_;
 	}
 
 	switch (slot_width) {
@@ -1848,6 +1849,135 @@  static int rt1011_set_tdm_slot(struct snd_soc_dai *dai,
 		break;
 	default:
 		ret = -EINVAL;
+		goto _set_tdm_err_;
+	}
+
+	/* Rx slot configuration */
+	rx_slotnum = hweight_long(rx_mask);
+	first_bit = find_next_bit((unsigned long *)&rx_mask, 32, 0);
+	if (rx_slotnum > 1 || rx_slotnum == 0) {
+		ret = -EINVAL;
+		dev_dbg(component->dev, "too many rx slots or zero slot\n");
+		goto _set_tdm_err_;
+	}
+
+	switch (first_bit) {
+	case 0:
+	case 2:
+	case 4:
+	case 6:
+		snd_soc_component_update_bits(component,
+			RT1011_CROSS_BQ_SET_1, RT1011_MONO_LR_SEL_MASK,
+			RT1011_MONO_L_CHANNEL);
+		snd_soc_component_update_bits(component,
+			RT1011_TDM1_SET_4,
+			RT1011_TDM_I2S_TX_L_DAC1_1_MASK |
+			RT1011_TDM_I2S_TX_R_DAC1_1_MASK,
+			(first_bit << RT1011_TDM_I2S_TX_L_DAC1_1_SFT) |
+			((first_bit+1) << RT1011_TDM_I2S_TX_R_DAC1_1_SFT));
+		break;
+	case 1:
+	case 3:
+	case 5:
+	case 7:
+		snd_soc_component_update_bits(component,
+			RT1011_CROSS_BQ_SET_1, RT1011_MONO_LR_SEL_MASK,
+			RT1011_MONO_R_CHANNEL);
+		snd_soc_component_update_bits(component,
+			RT1011_TDM1_SET_4,
+			RT1011_TDM_I2S_TX_L_DAC1_1_MASK |
+			RT1011_TDM_I2S_TX_R_DAC1_1_MASK,
+			((first_bit-1) << RT1011_TDM_I2S_TX_L_DAC1_1_SFT) |
+			(first_bit << RT1011_TDM_I2S_TX_R_DAC1_1_SFT));
+		break;
+	default:
+		ret = -EINVAL;
+		goto _set_tdm_err_;
+	}
+
+	/* Tx slot configuration */
+	tx_slotnum = hweight_long(tx_mask);
+	first_bit = find_next_bit((unsigned long *)&tx_mask, 32, 0);
+	last_bit = find_last_bit((unsigned long *)&tx_mask, 32);
+	if (tx_slotnum > 2 || (last_bit-first_bit) > 1) {
+		ret = -EINVAL;
+		dev_dbg(component->dev, "too many tx slots or tx slot location error\n");
+		goto _set_tdm_err_;
+	}
+
+	if (tx_slotnum == 1) {
+		snd_soc_component_update_bits(component, RT1011_TDM1_SET_2,
+			RT1011_TDM_I2S_DOCK_ADCDAT_LEN_1_MASK |
+			RT1011_TDM_ADCDAT1_DATA_LOCATION, first_bit);
+		switch (first_bit) {
+		case 1:
+			snd_soc_component_update_bits(component,
+				RT1011_TDM1_SET_3,
+				RT1011_TDM_I2S_RX_ADC1_1_MASK,
+				RT1011_TDM_I2S_RX_ADC1_1_LL);
+			break;
+		case 3:
+			snd_soc_component_update_bits(component,
+				RT1011_TDM1_SET_3,
+				RT1011_TDM_I2S_RX_ADC2_1_MASK,
+				RT1011_TDM_I2S_RX_ADC2_1_LL);
+			break;
+		case 5:
+			snd_soc_component_update_bits(component,
+				RT1011_TDM1_SET_3,
+				RT1011_TDM_I2S_RX_ADC3_1_MASK,
+				RT1011_TDM_I2S_RX_ADC3_1_LL);
+			break;
+		case 7:
+			snd_soc_component_update_bits(component,
+				RT1011_TDM1_SET_3,
+				RT1011_TDM_I2S_RX_ADC4_1_MASK,
+				RT1011_TDM_I2S_RX_ADC4_1_LL);
+			break;
+		case 0:
+			snd_soc_component_update_bits(component,
+				RT1011_TDM1_SET_3,
+				RT1011_TDM_I2S_RX_ADC1_1_MASK, 0);
+			break;
+		case 2:
+			snd_soc_component_update_bits(component,
+				RT1011_TDM1_SET_3,
+				RT1011_TDM_I2S_RX_ADC2_1_MASK, 0);
+			break;
+		case 4:
+			snd_soc_component_update_bits(component,
+				RT1011_TDM1_SET_3,
+				RT1011_TDM_I2S_RX_ADC3_1_MASK, 0);
+			break;
+		case 6:
+			snd_soc_component_update_bits(component,
+				RT1011_TDM1_SET_3,
+				RT1011_TDM_I2S_RX_ADC4_1_MASK, 0);
+			break;
+		default:
+			ret = -EINVAL;
+			dev_dbg(component->dev,
+				"tx slot location error\n");
+			goto _set_tdm_err_;
+		}
+	} else if (tx_slotnum == 2) {
+		switch (first_bit) {
+		case 0:
+		case 2:
+		case 4:
+		case 6:
+			snd_soc_component_update_bits(component,
+				RT1011_TDM1_SET_2,
+				RT1011_TDM_I2S_DOCK_ADCDAT_LEN_1_MASK |
+				RT1011_TDM_ADCDAT1_DATA_LOCATION,
+				RT1011_TDM_I2S_DOCK_ADCDAT_2CH | first_bit);
+			break;
+		default:
+			ret = -EINVAL;
+			dev_dbg(component->dev,
+				"tx slot location should be paired and start from slot0/2/4/6\n");
+			goto _set_tdm_err_;
+		}
 	}
 
 	snd_soc_component_update_bits(component, RT1011_TDM1_SET_1,
@@ -1860,10 +1990,12 @@  static int rt1011_set_tdm_slot(struct snd_soc_dai *dai,
 		RT1011_TDM_I2S_DOCK_EN_1_MASK,	tdm_en);
 	snd_soc_component_update_bits(component, RT1011_TDM2_SET_2,
 		RT1011_TDM_I2S_DOCK_EN_2_MASK,	tdm_en);
-	snd_soc_component_update_bits(component, RT1011_TDM_TOTAL_SET,
-		RT1011_ADCDAT1_PIN_CONFIG | RT1011_ADCDAT2_PIN_CONFIG,
-		RT1011_ADCDAT1_OUTPUT | RT1011_ADCDAT2_OUTPUT);
+	if (tx_slotnum)
+		snd_soc_component_update_bits(component, RT1011_TDM_TOTAL_SET,
+			RT1011_ADCDAT1_PIN_CONFIG | RT1011_ADCDAT2_PIN_CONFIG,
+			RT1011_ADCDAT1_OUTPUT | RT1011_ADCDAT2_OUTPUT);
 
+_set_tdm_err_:
 	snd_soc_dapm_mutex_unlock(dapm);
 	return ret;
 }
diff --git a/sound/soc/codecs/rt1011.h b/sound/soc/codecs/rt1011.h
index 2d65983f3d0f..3f7dea1191ad 100644
--- a/sound/soc/codecs/rt1011.h
+++ b/sound/soc/codecs/rt1011.h
@@ -460,6 +460,23 @@ 
 #define RT1011_TDM_I2S_DOCK_EN_1_MASK			(0x1 << 3)
 #define RT1011_TDM_I2S_DOCK_EN_1_SFT			3
 #define RT1011_TDM_I2S_DOCK_EN_1		(0x1 << 3)
+#define RT1011_TDM_ADCDAT1_DATA_LOCATION			(0x7 << 0)
+
+/* TDM1 Setting-3 (0x0118) */
+#define RT1011_TDM_I2S_RX_ADC1_1_MASK			(0x3 << 6)
+#define RT1011_TDM_I2S_RX_ADC2_1_MASK			(0x3 << 4)
+#define RT1011_TDM_I2S_RX_ADC3_1_MASK			(0x3 << 2)
+#define RT1011_TDM_I2S_RX_ADC4_1_MASK			(0x3 << 0)
+#define RT1011_TDM_I2S_RX_ADC1_1_LL			(0x2 << 6)
+#define RT1011_TDM_I2S_RX_ADC2_1_LL			(0x2 << 4)
+#define RT1011_TDM_I2S_RX_ADC3_1_LL			(0x2 << 2)
+#define RT1011_TDM_I2S_RX_ADC4_1_LL			(0x2 << 0)
+
+/* TDM1 Setting-4 (0x011a) */
+#define RT1011_TDM_I2S_TX_L_DAC1_1_MASK			(0x7 << 12)
+#define RT1011_TDM_I2S_TX_R_DAC1_1_MASK			(0x7 << 8)
+#define RT1011_TDM_I2S_TX_L_DAC1_1_SFT 12
+#define RT1011_TDM_I2S_TX_R_DAC1_1_SFT 8
 
 /* TDM2 Setting-2 (0x0120) */
 #define RT1011_TDM_I2S_DOCK_ADCDAT_LEN_2_MASK			(0x7 << 13)
@@ -585,6 +602,12 @@ 
 #define RT1011_STP_T0_EN_BIT		6
 #define RT1011_STP_T0_EN		(0x1 << 6)
 
+/* Cross Biquad Setting-1 (0x0702) */
+#define RT1011_MONO_LR_SEL_MASK			(0x3 << 5)
+#define RT1011_MONO_L_CHANNEL			(0x0 << 5)
+#define RT1011_MONO_R_CHANNEL			(0x1 << 5)
+#define RT1011_MONO_LR_MIX_CHANNEL			(0x2 << 5)
+
 /* ClassD Internal Setting-1 (0x1300) */
 #define RT1011_DRIVER_READY_SPK			(0x1 << 12)
 #define RT1011_DRIVER_READY_SPK_BIT		12