diff options
Diffstat (limited to 'sound/soc/codecs/wsa881x.c')
| -rw-r--r-- | sound/soc/codecs/wsa881x.c | 1185 |
1 files changed, 1185 insertions, 0 deletions
diff --git a/sound/soc/codecs/wsa881x.c b/sound/soc/codecs/wsa881x.c new file mode 100644 index 000000000000..b59f1d0e7f84 --- /dev/null +++ b/sound/soc/codecs/wsa881x.c @@ -0,0 +1,1185 @@ +// SPDX-License-Identifier: GPL-2.0 +// Copyright (c) 2015-2017, The Linux Foundation. +// Copyright (c) 2019, Linaro Limited + +#include <linux/bitops.h> +#include <linux/gpio.h> +#include <linux/gpio/consumer.h> +#include <linux/interrupt.h> +#include <linux/module.h> +#include <linux/of.h> +#include <linux/of_gpio.h> +#include <linux/regmap.h> +#include <linux/slab.h> +#include <linux/soundwire/sdw.h> +#include <linux/soundwire/sdw_registers.h> +#include <linux/soundwire/sdw_type.h> +#include <sound/soc.h> +#include <sound/tlv.h> + +#define WSA881X_DIGITAL_BASE 0x3000 +#define WSA881X_ANALOG_BASE 0x3100 + +/* Digital register address space */ +#define WSA881X_CHIP_ID0 (WSA881X_DIGITAL_BASE + 0x0000) +#define WSA881X_CHIP_ID1 (WSA881X_DIGITAL_BASE + 0x0001) +#define WSA881X_CHIP_ID2 (WSA881X_DIGITAL_BASE + 0x0002) +#define WSA881X_CHIP_ID3 (WSA881X_DIGITAL_BASE + 0x0003) +#define WSA881X_BUS_ID (WSA881X_DIGITAL_BASE + 0x0004) +#define WSA881X_CDC_RST_CTL (WSA881X_DIGITAL_BASE + 0x0005) +#define WSA881X_CDC_TOP_CLK_CTL (WSA881X_DIGITAL_BASE + 0x0006) +#define WSA881X_CDC_ANA_CLK_CTL (WSA881X_DIGITAL_BASE + 0x0007) +#define WSA881X_CDC_DIG_CLK_CTL (WSA881X_DIGITAL_BASE + 0x0008) +#define WSA881X_CLOCK_CONFIG (WSA881X_DIGITAL_BASE + 0x0009) +#define WSA881X_ANA_CTL (WSA881X_DIGITAL_BASE + 0x000A) +#define WSA881X_SWR_RESET_EN (WSA881X_DIGITAL_BASE + 0x000B) +#define WSA881X_RESET_CTL (WSA881X_DIGITAL_BASE + 0x000C) +#define WSA881X_TADC_VALUE_CTL (WSA881X_DIGITAL_BASE + 0x000F) +#define WSA881X_TEMP_DETECT_CTL (WSA881X_DIGITAL_BASE + 0x0010) +#define WSA881X_TEMP_MSB (WSA881X_DIGITAL_BASE + 0x0011) +#define WSA881X_TEMP_LSB (WSA881X_DIGITAL_BASE + 0x0012) +#define WSA881X_TEMP_CONFIG0 (WSA881X_DIGITAL_BASE + 0x0013) +#define WSA881X_TEMP_CONFIG1 (WSA881X_DIGITAL_BASE + 0x0014) +#define WSA881X_CDC_CLIP_CTL (WSA881X_DIGITAL_BASE + 0x0015) +#define WSA881X_SDM_PDM9_LSB (WSA881X_DIGITAL_BASE + 0x0016) +#define WSA881X_SDM_PDM9_MSB (WSA881X_DIGITAL_BASE + 0x0017) +#define WSA881X_CDC_RX_CTL (WSA881X_DIGITAL_BASE + 0x0018) +#define WSA881X_DEM_BYPASS_DATA0 (WSA881X_DIGITAL_BASE + 0x0019) +#define WSA881X_DEM_BYPASS_DATA1 (WSA881X_DIGITAL_BASE + 0x001A) +#define WSA881X_DEM_BYPASS_DATA2 (WSA881X_DIGITAL_BASE + 0x001B) +#define WSA881X_DEM_BYPASS_DATA3 (WSA881X_DIGITAL_BASE + 0x001C) +#define WSA881X_OTP_CTRL0 (WSA881X_DIGITAL_BASE + 0x001D) +#define WSA881X_OTP_CTRL1 (WSA881X_DIGITAL_BASE + 0x001E) +#define WSA881X_HDRIVE_CTL_GROUP1 (WSA881X_DIGITAL_BASE + 0x001F) +#define WSA881X_INTR_MODE (WSA881X_DIGITAL_BASE + 0x0020) +#define WSA881X_INTR_MASK (WSA881X_DIGITAL_BASE + 0x0021) +#define WSA881X_INTR_STATUS (WSA881X_DIGITAL_BASE + 0x0022) +#define WSA881X_INTR_CLEAR (WSA881X_DIGITAL_BASE + 0x0023) +#define WSA881X_INTR_LEVEL (WSA881X_DIGITAL_BASE + 0x0024) +#define WSA881X_INTR_SET (WSA881X_DIGITAL_BASE + 0x0025) +#define WSA881X_INTR_TEST (WSA881X_DIGITAL_BASE + 0x0026) +#define WSA881X_PDM_TEST_MODE (WSA881X_DIGITAL_BASE + 0x0030) +#define WSA881X_ATE_TEST_MODE (WSA881X_DIGITAL_BASE + 0x0031) +#define WSA881X_PIN_CTL_MODE (WSA881X_DIGITAL_BASE + 0x0032) +#define WSA881X_PIN_CTL_OE (WSA881X_DIGITAL_BASE + 0x0033) +#define WSA881X_PIN_WDATA_IOPAD (WSA881X_DIGITAL_BASE + 0x0034) +#define WSA881X_PIN_STATUS (WSA881X_DIGITAL_BASE + 0x0035) +#define WSA881X_DIG_DEBUG_MODE (WSA881X_DIGITAL_BASE + 0x0037) +#define WSA881X_DIG_DEBUG_SEL (WSA881X_DIGITAL_BASE + 0x0038) +#define WSA881X_DIG_DEBUG_EN (WSA881X_DIGITAL_BASE + 0x0039) +#define WSA881X_SWR_HM_TEST1 (WSA881X_DIGITAL_BASE + 0x003B) +#define WSA881X_SWR_HM_TEST2 (WSA881X_DIGITAL_BASE + 0x003C) +#define WSA881X_TEMP_DETECT_DBG_CTL (WSA881X_DIGITAL_BASE + 0x003D) +#define WSA881X_TEMP_DEBUG_MSB (WSA881X_DIGITAL_BASE + 0x003E) +#define WSA881X_TEMP_DEBUG_LSB (WSA881X_DIGITAL_BASE + 0x003F) +#define WSA881X_SAMPLE_EDGE_SEL (WSA881X_DIGITAL_BASE + 0x0044) +#define WSA881X_IOPAD_CTL (WSA881X_DIGITAL_BASE + 0x0045) +#define WSA881X_SPARE_0 (WSA881X_DIGITAL_BASE + 0x0050) +#define WSA881X_SPARE_1 (WSA881X_DIGITAL_BASE + 0x0051) +#define WSA881X_SPARE_2 (WSA881X_DIGITAL_BASE + 0x0052) +#define WSA881X_OTP_REG_0 (WSA881X_DIGITAL_BASE + 0x0080) +#define WSA881X_OTP_REG_1 (WSA881X_DIGITAL_BASE + 0x0081) +#define WSA881X_OTP_REG_2 (WSA881X_DIGITAL_BASE + 0x0082) +#define WSA881X_OTP_REG_3 (WSA881X_DIGITAL_BASE + 0x0083) +#define WSA881X_OTP_REG_4 (WSA881X_DIGITAL_BASE + 0x0084) +#define WSA881X_OTP_REG_5 (WSA881X_DIGITAL_BASE + 0x0085) +#define WSA881X_OTP_REG_6 (WSA881X_DIGITAL_BASE + 0x0086) +#define WSA881X_OTP_REG_7 (WSA881X_DIGITAL_BASE + 0x0087) +#define WSA881X_OTP_REG_8 (WSA881X_DIGITAL_BASE + 0x0088) +#define WSA881X_OTP_REG_9 (WSA881X_DIGITAL_BASE + 0x0089) +#define WSA881X_OTP_REG_10 (WSA881X_DIGITAL_BASE + 0x008A) +#define WSA881X_OTP_REG_11 (WSA881X_DIGITAL_BASE + 0x008B) +#define WSA881X_OTP_REG_12 (WSA881X_DIGITAL_BASE + 0x008C) +#define WSA881X_OTP_REG_13 (WSA881X_DIGITAL_BASE + 0x008D) +#define WSA881X_OTP_REG_14 (WSA881X_DIGITAL_BASE + 0x008E) +#define WSA881X_OTP_REG_15 (WSA881X_DIGITAL_BASE + 0x008F) +#define WSA881X_OTP_REG_16 (WSA881X_DIGITAL_BASE + 0x0090) +#define WSA881X_OTP_REG_17 (WSA881X_DIGITAL_BASE + 0x0091) +#define WSA881X_OTP_REG_18 (WSA881X_DIGITAL_BASE + 0x0092) +#define WSA881X_OTP_REG_19 (WSA881X_DIGITAL_BASE + 0x0093) +#define WSA881X_OTP_REG_20 (WSA881X_DIGITAL_BASE + 0x0094) +#define WSA881X_OTP_REG_21 (WSA881X_DIGITAL_BASE + 0x0095) +#define WSA881X_OTP_REG_22 (WSA881X_DIGITAL_BASE + 0x0096) +#define WSA881X_OTP_REG_23 (WSA881X_DIGITAL_BASE + 0x0097) +#define WSA881X_OTP_REG_24 (WSA881X_DIGITAL_BASE + 0x0098) +#define WSA881X_OTP_REG_25 (WSA881X_DIGITAL_BASE + 0x0099) +#define WSA881X_OTP_REG_26 (WSA881X_DIGITAL_BASE + 0x009A) +#define WSA881X_OTP_REG_27 (WSA881X_DIGITAL_BASE + 0x009B) +#define WSA881X_OTP_REG_28 (WSA881X_DIGITAL_BASE + 0x009C) +#define WSA881X_OTP_REG_29 (WSA881X_DIGITAL_BASE + 0x009D) +#define WSA881X_OTP_REG_30 (WSA881X_DIGITAL_BASE + 0x009E) +#define WSA881X_OTP_REG_31 (WSA881X_DIGITAL_BASE + 0x009F) +#define WSA881X_OTP_REG_63 (WSA881X_DIGITAL_BASE + 0x00BF) + +/* Analog Register address space */ +#define WSA881X_BIAS_REF_CTRL (WSA881X_ANALOG_BASE + 0x0000) +#define WSA881X_BIAS_TEST (WSA881X_ANALOG_BASE + 0x0001) +#define WSA881X_BIAS_BIAS (WSA881X_ANALOG_BASE + 0x0002) +#define WSA881X_TEMP_OP (WSA881X_ANALOG_BASE + 0x0003) +#define WSA881X_TEMP_IREF_CTRL (WSA881X_ANALOG_BASE + 0x0004) +#define WSA881X_TEMP_ISENS_CTRL (WSA881X_ANALOG_BASE + 0x0005) +#define WSA881X_TEMP_CLK_CTRL (WSA881X_ANALOG_BASE + 0x0006) +#define WSA881X_TEMP_TEST (WSA881X_ANALOG_BASE + 0x0007) +#define WSA881X_TEMP_BIAS (WSA881X_ANALOG_BASE + 0x0008) +#define WSA881X_TEMP_ADC_CTRL (WSA881X_ANALOG_BASE + 0x0009) +#define WSA881X_TEMP_DOUT_MSB (WSA881X_ANALOG_BASE + 0x000A) +#define WSA881X_TEMP_DOUT_LSB (WSA881X_ANALOG_BASE + 0x000B) +#define WSA881X_ADC_EN_MODU_V (WSA881X_ANALOG_BASE + 0x0010) +#define WSA881X_ADC_EN_MODU_I (WSA881X_ANALOG_BASE + 0x0011) +#define WSA881X_ADC_EN_DET_TEST_V (WSA881X_ANALOG_BASE + 0x0012) +#define WSA881X_ADC_EN_DET_TEST_I (WSA881X_ANALOG_BASE + 0x0013) +#define WSA881X_ADC_SEL_IBIAS (WSA881X_ANALOG_BASE + 0x0014) +#define WSA881X_ADC_EN_SEL_IBAIS (WSA881X_ANALOG_BASE + 0x0015) +#define WSA881X_SPKR_DRV_EN (WSA881X_ANALOG_BASE + 0x001A) +#define WSA881X_SPKR_DRV_GAIN (WSA881X_ANALOG_BASE + 0x001B) +#define WSA881X_PA_GAIN_SEL_MASK BIT(3) +#define WSA881X_PA_GAIN_SEL_REG BIT(3) +#define WSA881X_PA_GAIN_SEL_DRE 0 +#define WSA881X_SPKR_PAG_GAIN_MASK GENMASK(7, 4) +#define WSA881X_SPKR_DAC_CTL (WSA881X_ANALOG_BASE + 0x001C) +#define WSA881X_SPKR_DRV_DBG (WSA881X_ANALOG_BASE + 0x001D) +#define WSA881X_SPKR_PWRSTG_DBG (WSA881X_ANALOG_BASE + 0x001E) +#define WSA881X_SPKR_OCP_CTL (WSA881X_ANALOG_BASE + 0x001F) +#define WSA881X_SPKR_OCP_MASK GENMASK(7, 6) +#define WSA881X_SPKR_OCP_EN BIT(7) +#define WSA881X_SPKR_OCP_HOLD BIT(6) +#define WSA881X_SPKR_CLIP_CTL (WSA881X_ANALOG_BASE + 0x0020) +#define WSA881X_SPKR_BBM_CTL (WSA881X_ANALOG_BASE + 0x0021) +#define WSA881X_SPKR_MISC_CTL1 (WSA881X_ANALOG_BASE + 0x0022) +#define WSA881X_SPKR_MISC_CTL2 (WSA881X_ANALOG_BASE + 0x0023) +#define WSA881X_SPKR_BIAS_INT (WSA881X_ANALOG_BASE + 0x0024) +#define WSA881X_SPKR_PA_INT (WSA881X_ANALOG_BASE + 0x0025) +#define WSA881X_SPKR_BIAS_CAL (WSA881X_ANALOG_BASE + 0x0026) +#define WSA881X_SPKR_BIAS_PSRR (WSA881X_ANALOG_BASE + 0x0027) +#define WSA881X_SPKR_STATUS1 (WSA881X_ANALOG_BASE + 0x0028) +#define WSA881X_SPKR_STATUS2 (WSA881X_ANALOG_BASE + 0x0029) +#define WSA881X_BOOST_EN_CTL (WSA881X_ANALOG_BASE + 0x002A) +#define WSA881X_BOOST_EN_MASK BIT(7) +#define WSA881X_BOOST_EN BIT(7) +#define WSA881X_BOOST_CURRENT_LIMIT (WSA881X_ANALOG_BASE + 0x002B) +#define WSA881X_BOOST_PS_CTL (WSA881X_ANALOG_BASE + 0x002C) +#define WSA881X_BOOST_PRESET_OUT1 (WSA881X_ANALOG_BASE + 0x002D) +#define WSA881X_BOOST_PRESET_OUT2 (WSA881X_ANALOG_BASE + 0x002E) +#define WSA881X_BOOST_FORCE_OUT (WSA881X_ANALOG_BASE + 0x002F) +#define WSA881X_BOOST_LDO_PROG (WSA881X_ANALOG_BASE + 0x0030) +#define WSA881X_BOOST_SLOPE_COMP_ISENSE_FB (WSA881X_ANALOG_BASE + 0x0031) +#define WSA881X_BOOST_RON_CTL (WSA881X_ANALOG_BASE + 0x0032) +#define WSA881X_BOOST_LOOP_STABILITY (WSA881X_ANALOG_BASE + 0x0033) +#define WSA881X_BOOST_ZX_CTL (WSA881X_ANALOG_BASE + 0x0034) +#define WSA881X_BOOST_START_CTL (WSA881X_ANALOG_BASE + 0x0035) +#define WSA881X_BOOST_MISC1_CTL (WSA881X_ANALOG_BASE + 0x0036) +#define WSA881X_BOOST_MISC2_CTL (WSA881X_ANALOG_BASE + 0x0037) +#define WSA881X_BOOST_MISC3_CTL (WSA881X_ANALOG_BASE + 0x0038) +#define WSA881X_BOOST_ATEST_CTL (WSA881X_ANALOG_BASE + 0x0039) +#define WSA881X_SPKR_PROT_FE_GAIN (WSA881X_ANALOG_BASE + 0x003A) +#define WSA881X_SPKR_PROT_FE_CM_LDO_SET (WSA881X_ANALOG_BASE + 0x003B) +#define WSA881X_SPKR_PROT_FE_ISENSE_BIAS_SET1 (WSA881X_ANALOG_BASE + 0x003C) +#define WSA881X_SPKR_PROT_FE_ISENSE_BIAS_SET2 (WSA881X_ANALOG_BASE + 0x003D) +#define WSA881X_SPKR_PROT_ATEST1 (WSA881X_ANALOG_BASE + 0x003E) +#define WSA881X_SPKR_PROT_ATEST2 (WSA881X_ANALOG_BASE + 0x003F) +#define WSA881X_SPKR_PROT_FE_VSENSE_VCM (WSA881X_ANALOG_BASE + 0x0040) +#define WSA881X_SPKR_PROT_FE_VSENSE_BIAS_SET1 (WSA881X_ANALOG_BASE + 0x0041) +#define WSA881X_BONGO_RESRV_REG1 (WSA881X_ANALOG_BASE + 0x0042) +#define WSA881X_BONGO_RESRV_REG2 (WSA881X_ANALOG_BASE + 0x0043) +#define WSA881X_SPKR_PROT_SAR (WSA881X_ANALOG_BASE + 0x0044) +#define WSA881X_SPKR_STATUS3 (WSA881X_ANALOG_BASE + 0x0045) + +#define SWRS_SCP_FRAME_CTRL_BANK(m) (0x60 + 0x10 * (m)) +#define SWRS_SCP_HOST_CLK_DIV2_CTL_BANK(m) (0xE0 + 0x10 * (m)) +#define SWR_SLV_MAX_REG_ADDR 0x390 +#define SWR_SLV_START_REG_ADDR 0x40 +#define SWR_SLV_MAX_BUF_LEN 20 +#define BYTES_PER_LINE 12 +#define SWR_SLV_RD_BUF_LEN 8 +#define SWR_SLV_WR_BUF_LEN 32 +#define SWR_SLV_MAX_DEVICES 2 +#define WSA881X_MAX_SWR_PORTS 4 +#define WSA881X_VERSION_ENTRY_SIZE 27 +#define WSA881X_OCP_CTL_TIMER_SEC 2 +#define WSA881X_OCP_CTL_TEMP_CELSIUS 25 +#define WSA881X_OCP_CTL_POLL_TIMER_SEC 60 + +#define WSA881X_PA_GAIN_TLV(xname, reg, shift, max, invert, tlv_array) \ +{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \ + .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ |\ + SNDRV_CTL_ELEM_ACCESS_READWRITE,\ + .tlv.p = (tlv_array), \ + .info = snd_soc_info_volsw, .get = snd_soc_get_volsw,\ + .put = wsa881x_put_pa_gain, \ + .private_value = SOC_SINGLE_VALUE(reg, shift, max, invert, 0) } + +static struct reg_default wsa881x_defaults[] = { + { WSA881X_CHIP_ID0, 0x00 }, + { WSA881X_CHIP_ID1, 0x00 }, + { WSA881X_CHIP_ID2, 0x00 }, + { WSA881X_CHIP_ID3, 0x02 }, + { WSA881X_BUS_ID, 0x00 }, + { WSA881X_CDC_RST_CTL, 0x00 }, + { WSA881X_CDC_TOP_CLK_CTL, 0x03 }, + { WSA881X_CDC_ANA_CLK_CTL, 0x00 }, + { WSA881X_CDC_DIG_CLK_CTL, 0x00 }, + { WSA881X_CLOCK_CONFIG, 0x00 }, + { WSA881X_ANA_CTL, 0x08 }, + { WSA881X_SWR_RESET_EN, 0x00 }, + { WSA881X_TEMP_DETECT_CTL, 0x01 }, + { WSA881X_TEMP_MSB, 0x00 }, + { WSA881X_TEMP_LSB, 0x00 }, + { WSA881X_TEMP_CONFIG0, 0x00 }, + { WSA881X_TEMP_CONFIG1, 0x00 }, + { WSA881X_CDC_CLIP_CTL, 0x03 }, + { WSA881X_SDM_PDM9_LSB, 0x00 }, + { WSA881X_SDM_PDM9_MSB, 0x00 }, + { WSA881X_CDC_RX_CTL, 0x7E }, + { WSA881X_DEM_BYPASS_DATA0, 0x00 }, + { WSA881X_DEM_BYPASS_DATA1, 0x00 }, + { WSA881X_DEM_BYPASS_DATA2, 0x00 }, + { WSA881X_DEM_BYPASS_DATA3, 0x00 }, + { WSA881X_OTP_CTRL0, 0x00 }, + { WSA881X_OTP_CTRL1, 0x00 }, + { WSA881X_HDRIVE_CTL_GROUP1, 0x00 }, + { WSA881X_INTR_MODE, 0x00 }, + { WSA881X_INTR_STATUS, 0x00 }, + { WSA881X_INTR_CLEAR, 0x00 }, + { WSA881X_INTR_LEVEL, 0x00 }, + { WSA881X_INTR_SET, 0x00 }, + { WSA881X_INTR_TEST, 0x00 }, + { WSA881X_PDM_TEST_MODE, 0x00 }, + { WSA881X_ATE_TEST_MODE, 0x00 }, + { WSA881X_PIN_CTL_MODE, 0x00 }, + { WSA881X_PIN_CTL_OE, 0x00 }, + { WSA881X_PIN_WDATA_IOPAD, 0x00 }, + { WSA881X_PIN_STATUS, 0x00 }, + { WSA881X_DIG_DEBUG_MODE, 0x00 }, + { WSA881X_DIG_DEBUG_SEL, 0x00 }, + { WSA881X_DIG_DEBUG_EN, 0x00 }, + { WSA881X_SWR_HM_TEST1, 0x08 }, + { WSA881X_SWR_HM_TEST2, 0x00 }, + { WSA881X_TEMP_DETECT_DBG_CTL, 0x00 }, + { WSA881X_TEMP_DEBUG_MSB, 0x00 }, + { WSA881X_TEMP_DEBUG_LSB, 0x00 }, + { WSA881X_SAMPLE_EDGE_SEL, 0x0C }, + { WSA881X_SPARE_0, 0x00 }, + { WSA881X_SPARE_1, 0x00 }, + { WSA881X_SPARE_2, 0x00 }, + { WSA881X_OTP_REG_0, 0x01 }, + { WSA881X_OTP_REG_1, 0xFF }, + { WSA881X_OTP_REG_2, 0xC0 }, + { WSA881X_OTP_REG_3, 0xFF }, + { WSA881X_OTP_REG_4, 0xC0 }, + { WSA881X_OTP_REG_5, 0xFF }, + { WSA881X_OTP_REG_6, 0xFF }, + { WSA881X_OTP_REG_7, 0xFF }, + { WSA881X_OTP_REG_8, 0xFF }, + { WSA881X_OTP_REG_9, 0xFF }, + { WSA881X_OTP_REG_10, 0xFF }, + { WSA881X_OTP_REG_11, 0xFF }, + { WSA881X_OTP_REG_12, 0xFF }, + { WSA881X_OTP_REG_13, 0xFF }, + { WSA881X_OTP_REG_14, 0xFF }, + { WSA881X_OTP_REG_15, 0xFF }, + { WSA881X_OTP_REG_16, 0xFF }, + { WSA881X_OTP_REG_17, 0xFF }, + { WSA881X_OTP_REG_18, 0xFF }, + { WSA881X_OTP_REG_19, 0xFF }, + { WSA881X_OTP_REG_20, 0xFF }, + { WSA881X_OTP_REG_21, 0xFF }, + { WSA881X_OTP_REG_22, 0xFF }, + { WSA881X_OTP_REG_23, 0xFF }, + { WSA881X_OTP_REG_24, 0x03 }, + { WSA881X_OTP_REG_25, 0x01 }, + { WSA881X_OTP_REG_26, 0x03 }, + { WSA881X_OTP_REG_27, 0x11 }, + { WSA881X_OTP_REG_63, 0x40 }, + /* WSA881x Analog registers */ + { WSA881X_BIAS_REF_CTRL, 0x6C }, + { WSA881X_BIAS_TEST, 0x16 }, + { WSA881X_BIAS_BIAS, 0xF0 }, + { WSA881X_TEMP_OP, 0x00 }, + { WSA881X_TEMP_IREF_CTRL, 0x56 }, + { WSA881X_TEMP_ISENS_CTRL, 0x47 }, + { WSA881X_TEMP_CLK_CTRL, 0x87 }, + { WSA881X_TEMP_TEST, 0x00 }, + { WSA881X_TEMP_BIAS, 0x51 }, + { WSA881X_TEMP_DOUT_MSB, 0x00 }, + { WSA881X_TEMP_DOUT_LSB, 0x00 }, + { WSA881X_ADC_EN_MODU_V, 0x00 }, + { WSA881X_ADC_EN_MODU_I, 0x00 }, + { WSA881X_ADC_EN_DET_TEST_V, 0x00 }, + { WSA881X_ADC_EN_DET_TEST_I, 0x00 }, + { WSA881X_ADC_EN_SEL_IBAIS, 0x10 }, + { WSA881X_SPKR_DRV_EN, 0x74 }, + { WSA881X_SPKR_DRV_DBG, 0x15 }, + { WSA881X_SPKR_PWRSTG_DBG, 0x00 }, + { WSA881X_SPKR_OCP_CTL, 0xD4 }, + { WSA881X_SPKR_CLIP_CTL, 0x90 }, + { WSA881X_SPKR_PA_INT, 0x54 }, + { WSA881X_SPKR_BIAS_CAL, 0xAC }, + { WSA881X_SPKR_STATUS1, 0x00 }, + { WSA881X_SPKR_STATUS2, 0x00 }, + { WSA881X_BOOST_EN_CTL, 0x18 }, + { WSA881X_BOOST_CURRENT_LIMIT, 0x7A }, + { WSA881X_BOOST_PRESET_OUT2, 0x70 }, + { WSA881X_BOOST_FORCE_OUT, 0x0E }, + { WSA881X_BOOST_LDO_PROG, 0x16 }, + { WSA881X_BOOST_SLOPE_COMP_ISENSE_FB, 0x71 }, + { WSA881X_BOOST_RON_CTL, 0x0F }, + { WSA881X_BOOST_ZX_CTL, 0x34 }, + { WSA881X_BOOST_START_CTL, 0x23 }, + { WSA881X_BOOST_MISC1_CTL, 0x80 }, + { WSA881X_BOOST_MISC2_CTL, 0x00 }, + { WSA881X_BOOST_MISC3_CTL, 0x00 }, + { WSA881X_BOOST_ATEST_CTL, 0x00 }, + { WSA881X_SPKR_PROT_FE_GAIN, 0x46 }, + { WSA881X_SPKR_PROT_FE_CM_LDO_SET, 0x3B }, + { WSA881X_SPKR_PROT_FE_ISENSE_BIAS_SET1, 0x8D }, + { WSA881X_SPKR_PROT_FE_ISENSE_BIAS_SET2, 0x8D }, + { WSA881X_SPKR_PROT_ATEST1, 0x01 }, + { WSA881X_SPKR_PROT_FE_VSENSE_VCM, 0x8D }, + { WSA881X_SPKR_PROT_FE_VSENSE_BIAS_SET1, 0x4D }, + { WSA881X_SPKR_PROT_SAR, 0x00 }, + { WSA881X_SPKR_STATUS3, 0x00 }, +}; + +static const struct reg_sequence wsa881x_pre_pmu_pa_2_0[] = { + { WSA881X_SPKR_DRV_GAIN, 0x41, 0 }, + { WSA881X_SPKR_MISC_CTL1, 0x87, 0 }, +}; + +static const struct reg_sequence wsa881x_vi_txfe_en_2_0[] = { + { WSA881X_SPKR_PROT_FE_VSENSE_VCM, 0x85, 0 }, + { WSA881X_SPKR_PROT_ATEST2, 0x0A, 0 }, + { WSA881X_SPKR_PROT_FE_GAIN, 0x47, 0 }, +}; + +/* Default register reset values for WSA881x rev 2.0 */ +static struct reg_sequence wsa881x_rev_2_0[] = { + { WSA881X_RESET_CTL, 0x00, 0x00 }, + { WSA881X_TADC_VALUE_CTL, 0x01, 0x00 }, + { WSA881X_INTR_MASK, 0x1B, 0x00 }, + { WSA881X_IOPAD_CTL, 0x00, 0x00 }, + { WSA881X_OTP_REG_28, 0x3F, 0x00 }, + { WSA881X_OTP_REG_29, 0x3F, 0x00 }, + { WSA881X_OTP_REG_30, 0x01, 0x00 }, + { WSA881X_OTP_REG_31, 0x01, 0x00 }, + { WSA881X_TEMP_ADC_CTRL, 0x03, 0x00 }, + { WSA881X_ADC_SEL_IBIAS, 0x45, 0x00 }, + { WSA881X_SPKR_DRV_GAIN, 0xC1, 0x00 }, + { WSA881X_SPKR_DAC_CTL, 0x42, 0x00 }, + { WSA881X_SPKR_BBM_CTL, 0x02, 0x00 }, + { WSA881X_SPKR_MISC_CTL1, 0x40, 0x00 }, + { WSA881X_SPKR_MISC_CTL2, 0x07, 0x00 }, + { WSA881X_SPKR_BIAS_INT, 0x5F, 0x00 }, + { WSA881X_SPKR_BIAS_PSRR, 0x44, 0x00 }, + { WSA881X_BOOST_PS_CTL, 0xA0, 0x00 }, + { WSA881X_BOOST_PRESET_OUT1, 0xB7, 0x00 }, + { WSA881X_BOOST_LOOP_STABILITY, 0x8D, 0x00 }, + { WSA881X_SPKR_PROT_ATEST2, 0x02, 0x00 }, + { WSA881X_BONGO_RESRV_REG1, 0x5E, 0x00 }, + { WSA881X_BONGO_RESRV_REG2, 0x07, 0x00 }, +}; + +enum wsa_port_ids { + WSA881X_PORT_DAC, + WSA881X_PORT_COMP, + WSA881X_PORT_BOOST, + WSA881X_PORT_VISENSE, +}; + +/* 4 ports */ +static struct sdw_dpn_prop wsa_sink_dpn_prop[WSA881X_MAX_SWR_PORTS] = { + { + /* DAC */ + .num = 1, + .type = SDW_DPN_SIMPLE, + .min_ch = 1, + .max_ch = 1, + .simple_ch_prep_sm = true, + }, { + /* COMP */ + .num = 2, + .type = SDW_DPN_SIMPLE, + .min_ch = 1, + .max_ch = 1, + .simple_ch_prep_sm = true, + }, { + /* BOOST */ + .num = 3, + .type = SDW_DPN_SIMPLE, + .min_ch = 1, + .max_ch = 1, + .simple_ch_prep_sm = true, + }, { + /* VISENSE */ + .num = 4, + .type = SDW_DPN_SIMPLE, + .min_ch = 1, + .max_ch = 1, + .simple_ch_prep_sm = true, + } +}; + +static struct sdw_port_config wsa881x_pconfig[WSA881X_MAX_SWR_PORTS] = { + { + .num = 1, + .ch_mask = 0x1, + }, { + .num = 2, + .ch_mask = 0xf, + }, { + .num = 3, + .ch_mask = 0x3, + }, { /* IV feedback */ + .num = 4, + .ch_mask = 0x3, + }, +}; + +static bool wsa881x_readable_register(struct device *dev, unsigned int reg) +{ + switch (reg) { + case WSA881X_CHIP_ID0: + case WSA881X_CHIP_ID1: + case WSA881X_CHIP_ID2: + case WSA881X_CHIP_ID3: + case WSA881X_BUS_ID: + case WSA881X_CDC_RST_CTL: + case WSA881X_CDC_TOP_CLK_CTL: + case WSA881X_CDC_ANA_CLK_CTL: + case WSA881X_CDC_DIG_CLK_CTL: + case WSA881X_CLOCK_CONFIG: + case WSA881X_ANA_CTL: + case WSA881X_SWR_RESET_EN: + case WSA881X_RESET_CTL: + case WSA881X_TADC_VALUE_CTL: + case WSA881X_TEMP_DETECT_CTL: + case WSA881X_TEMP_MSB: + case WSA881X_TEMP_LSB: + case WSA881X_TEMP_CONFIG0: + case WSA881X_TEMP_CONFIG1: + case WSA881X_CDC_CLIP_CTL: + case WSA881X_SDM_PDM9_LSB: + case WSA881X_SDM_PDM9_MSB: + case WSA881X_CDC_RX_CTL: + case WSA881X_DEM_BYPASS_DATA0: + case WSA881X_DEM_BYPASS_DATA1: + case WSA881X_DEM_BYPASS_DATA2: + case WSA881X_DEM_BYPASS_DATA3: + case WSA881X_OTP_CTRL0: + case WSA881X_OTP_CTRL1: + case WSA881X_HDRIVE_CTL_GROUP1: + case WSA881X_INTR_MODE: + case WSA881X_INTR_MASK: + case WSA881X_INTR_STATUS: + case WSA881X_INTR_CLEAR: + case WSA881X_INTR_LEVEL: + case WSA881X_INTR_SET: + case WSA881X_INTR_TEST: + case WSA881X_PDM_TEST_MODE: + case WSA881X_ATE_TEST_MODE: + case WSA881X_PIN_CTL_MODE: + case WSA881X_PIN_CTL_OE: + case WSA881X_PIN_WDATA_IOPAD: + case WSA881X_PIN_STATUS: + case WSA881X_DIG_DEBUG_MODE: + case WSA881X_DIG_DEBUG_SEL: + case WSA881X_DIG_DEBUG_EN: + case WSA881X_SWR_HM_TEST1: + case WSA881X_SWR_HM_TEST2: + case WSA881X_TEMP_DETECT_DBG_CTL: + case WSA881X_TEMP_DEBUG_MSB: + case WSA881X_TEMP_DEBUG_LSB: + case WSA881X_SAMPLE_EDGE_SEL: + case WSA881X_IOPAD_CTL: + case WSA881X_SPARE_0: + case WSA881X_SPARE_1: + case WSA881X_SPARE_2: + case WSA881X_OTP_REG_0: + case WSA881X_OTP_REG_1: + case WSA881X_OTP_REG_2: + case WSA881X_OTP_REG_3: + case WSA881X_OTP_REG_4: + case WSA881X_OTP_REG_5: + case WSA881X_OTP_REG_6: + case WSA881X_OTP_REG_7: + case WSA881X_OTP_REG_8: + case WSA881X_OTP_REG_9: + case WSA881X_OTP_REG_10: + case WSA881X_OTP_REG_11: + case WSA881X_OTP_REG_12: + case WSA881X_OTP_REG_13: + case WSA881X_OTP_REG_14: + case WSA881X_OTP_REG_15: + case WSA881X_OTP_REG_16: + case WSA881X_OTP_REG_17: + case WSA881X_OTP_REG_18: + case WSA881X_OTP_REG_19: + case WSA881X_OTP_REG_20: + case WSA881X_OTP_REG_21: + case WSA881X_OTP_REG_22: + case WSA881X_OTP_REG_23: + case WSA881X_OTP_REG_24: + case WSA881X_OTP_REG_25: + case WSA881X_OTP_REG_26: + case WSA881X_OTP_REG_27: + case WSA881X_OTP_REG_28: + case WSA881X_OTP_REG_29: + case WSA881X_OTP_REG_30: + case WSA881X_OTP_REG_31: + case WSA881X_OTP_REG_63: + case WSA881X_BIAS_REF_CTRL: + case WSA881X_BIAS_TEST: + case WSA881X_BIAS_BIAS: + case WSA881X_TEMP_OP: + case WSA881X_TEMP_IREF_CTRL: + case WSA881X_TEMP_ISENS_CTRL: + case WSA881X_TEMP_CLK_CTRL: + case WSA881X_TEMP_TEST: + case WSA881X_TEMP_BIAS: + case WSA881X_TEMP_ADC_CTRL: + case WSA881X_TEMP_DOUT_MSB: + case WSA881X_TEMP_DOUT_LSB: + case WSA881X_ADC_EN_MODU_V: + case WSA881X_ADC_EN_MODU_I: + case WSA881X_ADC_EN_DET_TEST_V: + case WSA881X_ADC_EN_DET_TEST_I: + case WSA881X_ADC_SEL_IBIAS: + case WSA881X_ADC_EN_SEL_IBAIS: + case WSA881X_SPKR_DRV_EN: + case WSA881X_SPKR_DRV_GAIN: + case WSA881X_SPKR_DAC_CTL: + case WSA881X_SPKR_DRV_DBG: + case WSA881X_SPKR_PWRSTG_DBG: + case WSA881X_SPKR_OCP_CTL: + case WSA881X_SPKR_CLIP_CTL: + case WSA881X_SPKR_BBM_CTL: + case WSA881X_SPKR_MISC_CTL1: + case WSA881X_SPKR_MISC_CTL2: + case WSA881X_SPKR_BIAS_INT: + case WSA881X_SPKR_PA_INT: + case WSA881X_SPKR_BIAS_CAL: + case WSA881X_SPKR_BIAS_PSRR: + case WSA881X_SPKR_STATUS1: + case WSA881X_SPKR_STATUS2: + case WSA881X_BOOST_EN_CTL: + case WSA881X_BOOST_CURRENT_LIMIT: + case WSA881X_BOOST_PS_CTL: + case WSA881X_BOOST_PRESET_OUT1: + case WSA881X_BOOST_PRESET_OUT2: + case WSA881X_BOOST_FORCE_OUT: + case WSA881X_BOOST_LDO_PROG: + case WSA881X_BOOST_SLOPE_COMP_ISENSE_FB: + case WSA881X_BOOST_RON_CTL: + case WSA881X_BOOST_LOOP_STABILITY: + case WSA881X_BOOST_ZX_CTL: + case WSA881X_BOOST_START_CTL: + case WSA881X_BOOST_MISC1_CTL: + case WSA881X_BOOST_MISC2_CTL: + case WSA881X_BOOST_MISC3_CTL: + case WSA881X_BOOST_ATEST_CTL: + case WSA881X_SPKR_PROT_FE_GAIN: + case WSA881X_SPKR_PROT_FE_CM_LDO_SET: + case WSA881X_SPKR_PROT_FE_ISENSE_BIAS_SET1: + case WSA881X_SPKR_PROT_FE_ISENSE_BIAS_SET2: + case WSA881X_SPKR_PROT_ATEST1: + case WSA881X_SPKR_PROT_ATEST2: + case WSA881X_SPKR_PROT_FE_VSENSE_VCM: + case WSA881X_SPKR_PROT_FE_VSENSE_BIAS_SET1: + case WSA881X_BONGO_RESRV_REG1: + case WSA881X_BONGO_RESRV_REG2: + case WSA881X_SPKR_PROT_SAR: + case WSA881X_SPKR_STATUS3: + return true; + default: + return false; + } +} + +static bool wsa881x_volatile_register(struct device *dev, unsigned int reg) +{ + switch (reg) { + case WSA881X_CHIP_ID0: + case WSA881X_CHIP_ID1: + case WSA881X_CHIP_ID2: + case WSA881X_CHIP_ID3: + case WSA881X_BUS_ID: + case WSA881X_TEMP_MSB: + case WSA881X_TEMP_LSB: + case WSA881X_SDM_PDM9_LSB: + case WSA881X_SDM_PDM9_MSB: + case WSA881X_OTP_CTRL1: + case WSA881X_INTR_STATUS: + case WSA881X_ATE_TEST_MODE: + case WSA881X_PIN_STATUS: + case WSA881X_SWR_HM_TEST2: + case WSA881X_SPKR_STATUS1: + case WSA881X_SPKR_STATUS2: + case WSA881X_SPKR_STATUS3: + case WSA881X_OTP_REG_0: + case WSA881X_OTP_REG_1: + case WSA881X_OTP_REG_2: + case WSA881X_OTP_REG_3: + case WSA881X_OTP_REG_4: + case WSA881X_OTP_REG_5: + case WSA881X_OTP_REG_31: + case WSA881X_TEMP_DOUT_MSB: + case WSA881X_TEMP_DOUT_LSB: + case WSA881X_TEMP_OP: + case WSA881X_SPKR_PROT_SAR: + return true; + default: + return false; + } +} + +static struct regmap_config wsa881x_regmap_config = { + .reg_bits = 32, + .val_bits = 8, + .cache_type = REGCACHE_RBTREE, + .reg_defaults = wsa881x_defaults, + .num_reg_defaults = ARRAY_SIZE(wsa881x_defaults), + .volatile_reg = wsa881x_volatile_register, + .readable_reg = wsa881x_readable_register, + .reg_format_endian = REGMAP_ENDIAN_NATIVE, + .val_format_endian = REGMAP_ENDIAN_NATIVE, + .can_multi_write = true, +}; + +enum { + G_18DB = 0, + G_16P5DB, + G_15DB, + G_13P5DB, + G_12DB, + G_10P5DB, + G_9DB, + G_7P5DB, + G_6DB, + G_4P5DB, + G_3DB, + G_1P5DB, + G_0DB, +}; + +/* + * Private data Structure for wsa881x. All parameters related to + * WSA881X codec needs to be defined here. + */ +struct wsa881x_priv { + struct regmap *regmap; + struct device *dev; + struct sdw_slave *slave; + struct sdw_stream_config sconfig; + struct sdw_stream_runtime *sruntime; + struct sdw_port_config port_config[WSA881X_MAX_SWR_PORTS]; + struct gpio_desc *sd_n; + int version; + int active_ports; + bool port_prepared[WSA881X_MAX_SWR_PORTS]; + bool port_enable[WSA881X_MAX_SWR_PORTS]; + bool stream_prepared; +}; + +static void wsa881x_init(struct wsa881x_priv *wsa881x) +{ + struct regmap *rm = wsa881x->regmap; + unsigned int val = 0; + + regmap_read(rm, WSA881X_CHIP_ID1, &wsa881x->version); + regmap_register_patch(wsa881x->regmap, wsa881x_rev_2_0, + ARRAY_SIZE(wsa881x_rev_2_0)); + + /* Enable software reset output from soundwire slave */ + regmap_update_bits(rm, WSA881X_SWR_RESET_EN, 0x07, 0x07); + + /* Bring out of analog reset */ + regmap_update_bits(rm, WSA881X_CDC_RST_CTL, 0x02, 0x02); + + /* Bring out of digital reset */ + regmap_update_bits(rm, WSA881X_CDC_RST_CTL, 0x01, 0x01); + regmap_update_bits(rm, WSA881X_CLOCK_CONFIG, 0x10, 0x10); + regmap_update_bits(rm, WSA881X_SPKR_OCP_CTL, 0x02, 0x02); + regmap_update_bits(rm, WSA881X_SPKR_MISC_CTL1, 0xC0, 0x80); + regmap_update_bits(rm, WSA881X_SPKR_MISC_CTL1, 0x06, 0x06); + regmap_update_bits(rm, WSA881X_SPKR_BIAS_INT, 0xFF, 0x00); + regmap_update_bits(rm, WSA881X_SPKR_PA_INT, 0xF0, 0x40); + regmap_update_bits(rm, WSA881X_SPKR_PA_INT, 0x0E, 0x0E); + regmap_update_bits(rm, WSA881X_BOOST_LOOP_STABILITY, 0x03, 0x03); + regmap_update_bits(rm, WSA881X_BOOST_MISC2_CTL, 0xFF, 0x14); + regmap_update_bits(rm, WSA881X_BOOST_START_CTL, 0x80, 0x80); + regmap_update_bits(rm, WSA881X_BOOST_START_CTL, 0x03, 0x00); + regmap_update_bits(rm, WSA881X_BOOST_SLOPE_COMP_ISENSE_FB, 0x0C, 0x04); + regmap_update_bits(rm, WSA881X_BOOST_SLOPE_COMP_ISENSE_FB, 0x03, 0x00); + + regmap_read(rm, WSA881X_OTP_REG_0, &val); + if (val) + regmap_update_bits(rm, WSA881X_BOOST_PRESET_OUT1, 0xF0, 0x70); + + regmap_update_bits(rm, WSA881X_BOOST_PRESET_OUT2, 0xF0, 0x30); + regmap_update_bits(rm, WSA881X_SPKR_DRV_EN, 0x08, 0x08); + regmap_update_bits(rm, WSA881X_BOOST_CURRENT_LIMIT, 0x0F, 0x08); + regmap_update_bits(rm, WSA881X_SPKR_OCP_CTL, 0x30, 0x30); + regmap_update_bits(rm, WSA881X_SPKR_OCP_CTL, 0x0C, 0x00); + regmap_update_bits(rm, WSA881X_OTP_REG_28, 0x3F, 0x3A); + regmap_update_bits(rm, WSA881X_BONGO_RESRV_REG1, 0xFF, 0xB2); + regmap_update_bits(rm, WSA881X_BONGO_RESRV_REG2, 0xFF, 0x05); +} + +static int wsa881x_component_probe(struct snd_soc_component *comp) +{ + struct wsa881x_priv *wsa881x = snd_soc_component_get_drvdata(comp); + + snd_soc_component_init_regmap(comp, wsa881x->regmap); + + return 0; +} + +static int wsa881x_put_pa_gain(struct snd_kcontrol *kc, + struct snd_ctl_elem_value *ucontrol) +{ + struct snd_soc_component *comp = snd_soc_kcontrol_component(kc); + struct soc_mixer_control *mc = + (struct soc_mixer_control *)kc->private_value; + int max = mc->max; + unsigned int mask = (1 << fls(max)) - 1; + int val, ret, min_gain, max_gain; + + max_gain = (max - ucontrol->value.integer.value[0]) & mask; + /* + * Gain has to set incrementally in 4 steps + * as per HW sequence + */ + if (max_gain > G_4P5DB) + min_gain = G_0DB; + else + min_gain = max_gain + 3; + /* + * 1ms delay is needed before change in gain + * as per HW requirement. + */ + usleep_range(1000, 1010); + + for (val = min_gain; max_gain <= val; val--) { + ret = snd_soc_component_update_bits(comp, + WSA881X_SPKR_DRV_GAIN, + WSA881X_SPKR_PAG_GAIN_MASK, + val << 4); + if (ret < 0) + dev_err(comp->dev, "Failed to change PA gain"); + + usleep_range(1000, 1010); + } + return 0; +} + +static int wsa881x_get_port(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) +{ + struct snd_soc_component *comp = snd_soc_kcontrol_component(kcontrol); + struct wsa881x_priv *data = snd_soc_component_get_drvdata(comp); + struct soc_mixer_control *mixer = + (struct soc_mixer_control *)kcontrol->private_value; + int portidx = mixer->reg; + + ucontrol->value.integer.value[0] = data->port_enable[portidx]; + + + return 0; +} + +static int wsa881x_boost_ctrl(struct snd_soc_component *comp, bool enable) +{ + if (enable) + snd_soc_component_update_bits(comp, WSA881X_BOOST_EN_CTL, + WSA881X_BOOST_EN_MASK, + WSA881X_BOOST_EN); + else + snd_soc_component_update_bits(comp, WSA881X_BOOST_EN_CTL, + WSA881X_BOOST_EN_MASK, 0); + /* + * 1.5ms sleep is needed after boost enable/disable as per + * HW requirement + */ + usleep_range(1500, 1510); + return 0; +} + +static int wsa881x_set_port(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) +{ + struct snd_soc_component *comp = snd_soc_kcontrol_component(kcontrol); + struct wsa881x_priv *data = snd_soc_component_get_drvdata(comp); + struct soc_mixer_control *mixer = + (struct soc_mixer_control *)kcontrol->private_value; + int portidx = mixer->reg; + + if (ucontrol->value.integer.value[0]) + data->port_enable[portidx] = true; + else + data->port_enable[portidx] = false; + + if (portidx == WSA881X_PORT_BOOST) /* Boost Switch */ + wsa881x_boost_ctrl(comp, data->port_enable[portidx]); + + return 0; +} + +static const char * const smart_boost_lvl_text[] = { + "6.625 V", "6.750 V", "6.875 V", "7.000 V", + "7.125 V", "7.250 V", "7.375 V", "7.500 V", + "7.625 V", "7.750 V", "7.875 V", "8.000 V", + "8.125 V", "8.250 V", "8.375 V", "8.500 V" +}; + +static const struct soc_enum smart_boost_lvl_enum = + SOC_ENUM_SINGLE(WSA881X_BOOST_PRESET_OUT1, 0, + ARRAY_SIZE(smart_boost_lvl_text), + smart_boost_lvl_text); + +static const DECLARE_TLV_DB_SCALE(pa_gain, 0, 150, 0); + +static const struct snd_kcontrol_new wsa881x_snd_controls[] = { + SOC_ENUM("Smart Boost Level", smart_boost_lvl_enum), + WSA881X_PA_GAIN_TLV("PA Volume", WSA881X_SPKR_DRV_GAIN, + 4, 0xC, 1, pa_gain), + SOC_SINGLE_EXT("DAC Switch", WSA881X_PORT_DAC, 0, 1, 0, + wsa881x_get_port, wsa881x_set_port), + SOC_SINGLE_EXT("COMP Switch", WSA881X_PORT_COMP, 0, 1, 0, + wsa881x_get_port, wsa881x_set_port), + SOC_SINGLE_EXT("BOOST Switch", WSA881X_PORT_BOOST, 0, 1, 0, + wsa881x_get_port, wsa881x_set_port), + SOC_SINGLE_EXT("VISENSE Switch", WSA881X_PORT_VISENSE, 0, 1, 0, + wsa881x_get_port, wsa881x_set_port), +}; + +static const struct snd_soc_dapm_route wsa881x_audio_map[] = { + { "RDAC", NULL, "IN" }, + { "RDAC", NULL, "DCLK" }, + { "RDAC", NULL, "ACLK" }, + { "RDAC", NULL, "Bandgap" }, + { "SPKR PGA", NULL, "RDAC" }, + { "SPKR", NULL, "SPKR PGA" }, +}; + +static int wsa881x_visense_txfe_ctrl(struct snd_soc_component *comp, + bool enable) +{ + struct wsa881x_priv *wsa881x = snd_soc_component_get_drvdata(comp); + + if (enable) { + regmap_multi_reg_write(wsa881x->regmap, wsa881x_vi_txfe_en_2_0, + ARRAY_SIZE(wsa881x_vi_txfe_en_2_0)); + } else { + snd_soc_component_update_bits(comp, + WSA881X_SPKR_PROT_FE_VSENSE_VCM, + 0x08, 0x08); + /* + * 200us sleep is needed after visense txfe disable as per + * HW requirement. + */ + usleep_range(200, 210); + snd_soc_component_update_bits(comp, WSA881X_SPKR_PROT_FE_GAIN, + 0x01, 0x00); + } + return 0; +} + +static int wsa881x_visense_adc_ctrl(struct snd_soc_component *comp, + bool enable) +{ + snd_soc_component_update_bits(comp, WSA881X_ADC_EN_MODU_V, BIT(7), + (enable << 7)); + snd_soc_component_update_bits(comp, WSA881X_ADC_EN_MODU_I, BIT(7), + (enable << 7)); + return 0; +} + +static int wsa881x_spkr_pa_event(struct snd_soc_dapm_widget *w, + struct snd_kcontrol *kcontrol, int event) +{ + struct snd_soc_component *comp = snd_soc_dapm_to_component(w->dapm); + struct wsa881x_priv *wsa881x = snd_soc_component_get_drvdata(comp); + + switch (event) { + case SND_SOC_DAPM_PRE_PMU: + snd_soc_component_update_bits(comp, WSA881X_SPKR_OCP_CTL, + WSA881X_SPKR_OCP_MASK, + WSA881X_SPKR_OCP_EN); + regmap_multi_reg_write(wsa881x->regmap, wsa881x_pre_pmu_pa_2_0, + ARRAY_SIZE(wsa881x_pre_pmu_pa_2_0)); + + snd_soc_component_update_bits(comp, WSA881X_SPKR_DRV_GAIN, + WSA881X_PA_GAIN_SEL_MASK, + WSA881X_PA_GAIN_SEL_REG); + break; + case SND_SOC_DAPM_POST_PMU: + if (wsa881x->port_prepared[WSA881X_PORT_VISENSE]) { + wsa881x_visense_txfe_ctrl(comp, true); + snd_soc_component_update_bits(comp, + WSA881X_ADC_EN_SEL_IBAIS, + 0x07, 0x01); + wsa881x_visense_adc_ctrl(comp, true); + } + + break; + case SND_SOC_DAPM_POST_PMD: + if (wsa881x->port_prepared[WSA881X_PORT_VISENSE]) { + wsa881x_visense_adc_ctrl(comp, false); + wsa881x_visense_txfe_ctrl(comp, false); + } + + snd_soc_component_update_bits(comp, WSA881X_SPKR_OCP_CTL, + WSA881X_SPKR_OCP_MASK, + WSA881X_SPKR_OCP_EN | + WSA881X_SPKR_OCP_HOLD); + break; + } + return 0; +} + +static const struct snd_soc_dapm_widget wsa881x_dapm_widgets[] = { + SND_SOC_DAPM_INPUT("IN"), + SND_SOC_DAPM_DAC_E("RDAC", NULL, WSA881X_SPKR_DAC_CTL, 7, 0, + NULL, + SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD), + SND_SOC_DAPM_PGA_E("SPKR PGA", SND_SOC_NOPM, 0, 0, NULL, 0, + wsa881x_spkr_pa_event, SND_SOC_DAPM_PRE_PMU | + SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD), + SND_SOC_DAPM_SUPPLY("DCLK", WSA881X_CDC_DIG_CLK_CTL, 0, 0, NULL, + SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD), + SND_SOC_DAPM_SUPPLY("ACLK", WSA881X_CDC_ANA_CLK_CTL, 0, 0, NULL, + SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD), + SND_SOC_DAPM_SUPPLY("Bandgap", WSA881X_TEMP_OP, 3, 0, + NULL, + SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD), + SND_SOC_DAPM_OUTPUT("SPKR"), +}; + +static int wsa881x_prepare(struct snd_pcm_substream *substream, + struct snd_soc_dai *dai) +{ + struct wsa881x_priv *wsa881x = dev_get_drvdata(dai->dev); + int ret; + + if (wsa881x->stream_prepared) { + sdw_disable_stream(wsa881x->sruntime); + sdw_deprepare_stream(wsa881x->sruntime); + wsa881x->stream_prepared = false; + } + + + ret = sdw_prepare_stream(wsa881x->sruntime); + if (ret) + return ret; + + /** + * NOTE: there is a strict hw requirement about the ordering of port + * enables and actual PA enable. PA enable should only happen after + * soundwire ports are enabled if not DC on the line is accumulated + * resulting in Click/Pop Noise + * PA enable/mute are handled as part of DAPM and digital mute. + */ + + ret = sdw_enable_stream(wsa881x->sruntime); + if (ret) { + sdw_deprepare_stream(wsa881x->sruntime); + return ret; + } + wsa881x->stream_prepared = true; + + return ret; +} + +static int wsa881x_hw_params(struct snd_pcm_substream *substream, + struct snd_pcm_hw_params *params, + struct snd_soc_dai *dai) +{ + struct wsa881x_priv *wsa881x = dev_get_drvdata(dai->dev); + int i; + + wsa881x->active_ports = 0; + for (i = 0; i < WSA881X_MAX_SWR_PORTS; i++) { + if (!wsa881x->port_enable[i]) + continue; + + wsa881x->port_config[wsa881x->active_ports] = + wsa881x_pconfig[i]; + wsa881x->active_ports++; + } + + return sdw_stream_add_slave(wsa881x->slave, &wsa881x->sconfig, + wsa881x->port_config, wsa881x->active_ports, + wsa881x->sruntime); +} + +static int wsa881x_hw_free(struct snd_pcm_substream *substream, + struct snd_soc_dai *dai) +{ + struct wsa881x_priv *wsa881x = dev_get_drvdata(dai->dev); + + if (wsa881x->stream_prepared) { + sdw_disable_stream(wsa881x->sruntime); + sdw_deprepare_stream(wsa881x->sruntime); + sdw_stream_remove_slave(wsa881x->slave, wsa881x->sruntime); + wsa881x->stream_prepared = false; + } + + return 0; +} + +static int wsa881x_set_sdw_stream(struct snd_soc_dai *dai, + void *stream, int direction) +{ + struct wsa881x_priv *wsa881x = dev_get_drvdata(dai->dev); + + wsa881x->sruntime = stream; + + return 0; +} + +static int wsa881x_digital_mute(struct snd_soc_dai *dai, int mute, int stream) +{ + struct wsa881x_priv *wsa881x = dev_get_drvdata(dai->dev); + + if (mute) + regmap_update_bits(wsa881x->regmap, WSA881X_SPKR_DRV_EN, 0x80, + 0x00); + else + regmap_update_bits(wsa881x->regmap, WSA881X_SPKR_DRV_EN, 0x80, + 0x80); + + return 0; +} + +static struct snd_soc_dai_ops wsa881x_dai_ops = { + .hw_params = wsa881x_hw_params, + .prepare = wsa881x_prepare, + .hw_free = wsa881x_hw_free, + .mute_stream = wsa881x_digital_mute, + .set_sdw_stream = wsa881x_set_sdw_stream, +}; + +static struct snd_soc_dai_driver wsa881x_dais[] = { + { + .name = "SPKR", + .id = 0, + .playback = { + .stream_name = "SPKR Playback", + .rate_max = 48000, + .rate_min = 48000, + .channels_min = 1, + .channels_max = 1, + }, + .ops = &wsa881x_dai_ops, + }, +}; + +static const struct snd_soc_component_driver wsa881x_component_drv = { + .name = "WSA881x", + .probe = wsa881x_component_probe, + .controls = wsa881x_snd_controls, + .num_controls = ARRAY_SIZE(wsa881x_snd_controls), + .dapm_widgets = wsa881x_dapm_widgets, + .num_dapm_widgets = ARRAY_SIZE(wsa881x_dapm_widgets), + .dapm_routes = wsa881x_audio_map, + .num_dapm_routes = ARRAY_SIZE(wsa881x_audio_map), +}; + +static int wsa881x_update_status(struct sdw_slave *slave, + enum sdw_slave_status status) +{ + struct wsa881x_priv *wsa881x = dev_get_drvdata(&slave->dev); + + if (status == SDW_SLAVE_ATTACHED && slave->dev_num > 0) + wsa881x_init(wsa881x); + + return 0; +} + +static int wsa881x_port_prep(struct sdw_slave *slave, + struct sdw_prepare_ch *prepare_ch, + enum sdw_port_prep_ops state) +{ + struct wsa881x_priv *wsa881x = dev_get_drvdata(&slave->dev); + + if (state == SDW_OPS_PORT_POST_PREP) + wsa881x->port_prepared[prepare_ch->num - 1] = true; + else + wsa881x->port_prepared[prepare_ch->num - 1] = false; + + return 0; +} + +static int wsa881x_bus_config(struct sdw_slave *slave, + struct sdw_bus_params *params) +{ + sdw_write(slave, SWRS_SCP_HOST_CLK_DIV2_CTL_BANK(params->next_bank), + 0x01); + + return 0; +} + +static struct sdw_slave_ops wsa881x_slave_ops = { + .update_status = wsa881x_update_status, + .bus_config = wsa881x_bus_config, + .port_prep = wsa881x_port_prep, +}; + +static int wsa881x_probe(struct sdw_slave *pdev, + const struct sdw_device_id *id) +{ + struct wsa881x_priv *wsa881x; + + wsa881x = devm_kzalloc(&pdev->dev, sizeof(*wsa881x), GFP_KERNEL); + if (!wsa881x) + return -ENOMEM; + + wsa881x->sd_n = devm_gpiod_get_optional(&pdev->dev, "powerdown", + GPIOD_FLAGS_BIT_NONEXCLUSIVE); + if (IS_ERR(wsa881x->sd_n)) { + dev_err(&pdev->dev, "Shutdown Control GPIO not found\n"); + return PTR_ERR(wsa881x->sd_n); + } + + dev_set_drvdata(&pdev->dev, wsa881x); + wsa881x->slave = pdev; + wsa881x->dev = &pdev->dev; + wsa881x->sconfig.ch_count = 1; + wsa881x->sconfig.bps = 1; + wsa881x->sconfig.frame_rate = 48000; + wsa881x->sconfig.direction = SDW_DATA_DIR_RX; + wsa881x->sconfig.type = SDW_STREAM_PDM; + pdev->prop.sink_ports = GENMASK(WSA881X_MAX_SWR_PORTS, 0); + pdev->prop.sink_dpn_prop = wsa_sink_dpn_prop; + gpiod_set_value(wsa881x->sd_n, 1); + + wsa881x->regmap = devm_regmap_init_sdw(pdev, &wsa881x_regmap_config); + if (IS_ERR(wsa881x->regmap)) { + dev_err(&pdev->dev, "regmap_init failed\n"); + return PTR_ERR(wsa881x->regmap); + } + + return devm_snd_soc_register_component(&pdev->dev, + &wsa881x_component_drv, + wsa881x_dais, + ARRAY_SIZE(wsa881x_dais)); +} + +static const struct sdw_device_id wsa881x_slave_id[] = { + SDW_SLAVE_ENTRY(0x0217, 0x2010, 0), + SDW_SLAVE_ENTRY(0x0217, 0x2110, 0), + {}, +}; +MODULE_DEVICE_TABLE(sdw, wsa881x_slave_id); + +static struct sdw_driver wsa881x_codec_driver = { + .probe = wsa881x_probe, + .ops = &wsa881x_slave_ops, + .id_table = wsa881x_slave_id, + .driver = { + .name = "wsa881x-codec", + } +}; +module_sdw_driver(wsa881x_codec_driver); + +MODULE_DESCRIPTION("WSA881x codec driver"); +MODULE_LICENSE("GPL v2"); |
