linux/sound/soc/codecs/wsa881x.c
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   1// SPDX-License-Identifier: GPL-2.0
   2// Copyright (c) 2015-2017, The Linux Foundation.
   3// Copyright (c) 2019, Linaro Limited
   4
   5#include <linux/bitops.h>
   6#include <linux/gpio.h>
   7#include <linux/gpio/consumer.h>
   8#include <linux/interrupt.h>
   9#include <linux/module.h>
  10#include <linux/of.h>
  11#include <linux/of_gpio.h>
  12#include <linux/regmap.h>
  13#include <linux/slab.h>
  14#include <linux/soundwire/sdw.h>
  15#include <linux/soundwire/sdw_registers.h>
  16#include <linux/soundwire/sdw_type.h>
  17#include <sound/soc.h>
  18#include <sound/tlv.h>
  19
  20#define WSA881X_DIGITAL_BASE            0x3000
  21#define WSA881X_ANALOG_BASE             0x3100
  22
  23/* Digital register address space */
  24#define WSA881X_CHIP_ID0                        (WSA881X_DIGITAL_BASE + 0x0000)
  25#define WSA881X_CHIP_ID1                        (WSA881X_DIGITAL_BASE + 0x0001)
  26#define WSA881X_CHIP_ID2                        (WSA881X_DIGITAL_BASE + 0x0002)
  27#define WSA881X_CHIP_ID3                        (WSA881X_DIGITAL_BASE + 0x0003)
  28#define WSA881X_BUS_ID                          (WSA881X_DIGITAL_BASE + 0x0004)
  29#define WSA881X_CDC_RST_CTL                     (WSA881X_DIGITAL_BASE + 0x0005)
  30#define WSA881X_CDC_TOP_CLK_CTL                 (WSA881X_DIGITAL_BASE + 0x0006)
  31#define WSA881X_CDC_ANA_CLK_CTL                 (WSA881X_DIGITAL_BASE + 0x0007)
  32#define WSA881X_CDC_DIG_CLK_CTL                 (WSA881X_DIGITAL_BASE + 0x0008)
  33#define WSA881X_CLOCK_CONFIG                    (WSA881X_DIGITAL_BASE + 0x0009)
  34#define WSA881X_ANA_CTL                         (WSA881X_DIGITAL_BASE + 0x000A)
  35#define WSA881X_SWR_RESET_EN                    (WSA881X_DIGITAL_BASE + 0x000B)
  36#define WSA881X_RESET_CTL                       (WSA881X_DIGITAL_BASE + 0x000C)
  37#define WSA881X_TADC_VALUE_CTL                  (WSA881X_DIGITAL_BASE + 0x000F)
  38#define WSA881X_TEMP_DETECT_CTL                 (WSA881X_DIGITAL_BASE + 0x0010)
  39#define WSA881X_TEMP_MSB                        (WSA881X_DIGITAL_BASE + 0x0011)
  40#define WSA881X_TEMP_LSB                        (WSA881X_DIGITAL_BASE + 0x0012)
  41#define WSA881X_TEMP_CONFIG0                    (WSA881X_DIGITAL_BASE + 0x0013)
  42#define WSA881X_TEMP_CONFIG1                    (WSA881X_DIGITAL_BASE + 0x0014)
  43#define WSA881X_CDC_CLIP_CTL                    (WSA881X_DIGITAL_BASE + 0x0015)
  44#define WSA881X_SDM_PDM9_LSB                    (WSA881X_DIGITAL_BASE + 0x0016)
  45#define WSA881X_SDM_PDM9_MSB                    (WSA881X_DIGITAL_BASE + 0x0017)
  46#define WSA881X_CDC_RX_CTL                      (WSA881X_DIGITAL_BASE + 0x0018)
  47#define WSA881X_DEM_BYPASS_DATA0                (WSA881X_DIGITAL_BASE + 0x0019)
  48#define WSA881X_DEM_BYPASS_DATA1                (WSA881X_DIGITAL_BASE + 0x001A)
  49#define WSA881X_DEM_BYPASS_DATA2                (WSA881X_DIGITAL_BASE + 0x001B)
  50#define WSA881X_DEM_BYPASS_DATA3                (WSA881X_DIGITAL_BASE + 0x001C)
  51#define WSA881X_OTP_CTRL0                       (WSA881X_DIGITAL_BASE + 0x001D)
  52#define WSA881X_OTP_CTRL1                       (WSA881X_DIGITAL_BASE + 0x001E)
  53#define WSA881X_HDRIVE_CTL_GROUP1               (WSA881X_DIGITAL_BASE + 0x001F)
  54#define WSA881X_INTR_MODE                       (WSA881X_DIGITAL_BASE + 0x0020)
  55#define WSA881X_INTR_MASK                       (WSA881X_DIGITAL_BASE + 0x0021)
  56#define WSA881X_INTR_STATUS                     (WSA881X_DIGITAL_BASE + 0x0022)
  57#define WSA881X_INTR_CLEAR                      (WSA881X_DIGITAL_BASE + 0x0023)
  58#define WSA881X_INTR_LEVEL                      (WSA881X_DIGITAL_BASE + 0x0024)
  59#define WSA881X_INTR_SET                        (WSA881X_DIGITAL_BASE + 0x0025)
  60#define WSA881X_INTR_TEST                       (WSA881X_DIGITAL_BASE + 0x0026)
  61#define WSA881X_PDM_TEST_MODE                   (WSA881X_DIGITAL_BASE + 0x0030)
  62#define WSA881X_ATE_TEST_MODE                   (WSA881X_DIGITAL_BASE + 0x0031)
  63#define WSA881X_PIN_CTL_MODE                    (WSA881X_DIGITAL_BASE + 0x0032)
  64#define WSA881X_PIN_CTL_OE                      (WSA881X_DIGITAL_BASE + 0x0033)
  65#define WSA881X_PIN_WDATA_IOPAD                 (WSA881X_DIGITAL_BASE + 0x0034)
  66#define WSA881X_PIN_STATUS                      (WSA881X_DIGITAL_BASE + 0x0035)
  67#define WSA881X_DIG_DEBUG_MODE                  (WSA881X_DIGITAL_BASE + 0x0037)
  68#define WSA881X_DIG_DEBUG_SEL                   (WSA881X_DIGITAL_BASE + 0x0038)
  69#define WSA881X_DIG_DEBUG_EN                    (WSA881X_DIGITAL_BASE + 0x0039)
  70#define WSA881X_SWR_HM_TEST1                    (WSA881X_DIGITAL_BASE + 0x003B)
  71#define WSA881X_SWR_HM_TEST2                    (WSA881X_DIGITAL_BASE + 0x003C)
  72#define WSA881X_TEMP_DETECT_DBG_CTL             (WSA881X_DIGITAL_BASE + 0x003D)
  73#define WSA881X_TEMP_DEBUG_MSB                  (WSA881X_DIGITAL_BASE + 0x003E)
  74#define WSA881X_TEMP_DEBUG_LSB                  (WSA881X_DIGITAL_BASE + 0x003F)
  75#define WSA881X_SAMPLE_EDGE_SEL                 (WSA881X_DIGITAL_BASE + 0x0044)
  76#define WSA881X_IOPAD_CTL                       (WSA881X_DIGITAL_BASE + 0x0045)
  77#define WSA881X_SPARE_0                         (WSA881X_DIGITAL_BASE + 0x0050)
  78#define WSA881X_SPARE_1                         (WSA881X_DIGITAL_BASE + 0x0051)
  79#define WSA881X_SPARE_2                         (WSA881X_DIGITAL_BASE + 0x0052)
  80#define WSA881X_OTP_REG_0                       (WSA881X_DIGITAL_BASE + 0x0080)
  81#define WSA881X_OTP_REG_1                       (WSA881X_DIGITAL_BASE + 0x0081)
  82#define WSA881X_OTP_REG_2                       (WSA881X_DIGITAL_BASE + 0x0082)
  83#define WSA881X_OTP_REG_3                       (WSA881X_DIGITAL_BASE + 0x0083)
  84#define WSA881X_OTP_REG_4                       (WSA881X_DIGITAL_BASE + 0x0084)
  85#define WSA881X_OTP_REG_5                       (WSA881X_DIGITAL_BASE + 0x0085)
  86#define WSA881X_OTP_REG_6                       (WSA881X_DIGITAL_BASE + 0x0086)
  87#define WSA881X_OTP_REG_7                       (WSA881X_DIGITAL_BASE + 0x0087)
  88#define WSA881X_OTP_REG_8                       (WSA881X_DIGITAL_BASE + 0x0088)
  89#define WSA881X_OTP_REG_9                       (WSA881X_DIGITAL_BASE + 0x0089)
  90#define WSA881X_OTP_REG_10                      (WSA881X_DIGITAL_BASE + 0x008A)
  91#define WSA881X_OTP_REG_11                      (WSA881X_DIGITAL_BASE + 0x008B)
  92#define WSA881X_OTP_REG_12                      (WSA881X_DIGITAL_BASE + 0x008C)
  93#define WSA881X_OTP_REG_13                      (WSA881X_DIGITAL_BASE + 0x008D)
  94#define WSA881X_OTP_REG_14                      (WSA881X_DIGITAL_BASE + 0x008E)
  95#define WSA881X_OTP_REG_15                      (WSA881X_DIGITAL_BASE + 0x008F)
  96#define WSA881X_OTP_REG_16                      (WSA881X_DIGITAL_BASE + 0x0090)
  97#define WSA881X_OTP_REG_17                      (WSA881X_DIGITAL_BASE + 0x0091)
  98#define WSA881X_OTP_REG_18                      (WSA881X_DIGITAL_BASE + 0x0092)
  99#define WSA881X_OTP_REG_19                      (WSA881X_DIGITAL_BASE + 0x0093)
 100#define WSA881X_OTP_REG_20                      (WSA881X_DIGITAL_BASE + 0x0094)
 101#define WSA881X_OTP_REG_21                      (WSA881X_DIGITAL_BASE + 0x0095)
 102#define WSA881X_OTP_REG_22                      (WSA881X_DIGITAL_BASE + 0x0096)
 103#define WSA881X_OTP_REG_23                      (WSA881X_DIGITAL_BASE + 0x0097)
 104#define WSA881X_OTP_REG_24                      (WSA881X_DIGITAL_BASE + 0x0098)
 105#define WSA881X_OTP_REG_25                      (WSA881X_DIGITAL_BASE + 0x0099)
 106#define WSA881X_OTP_REG_26                      (WSA881X_DIGITAL_BASE + 0x009A)
 107#define WSA881X_OTP_REG_27                      (WSA881X_DIGITAL_BASE + 0x009B)
 108#define WSA881X_OTP_REG_28                      (WSA881X_DIGITAL_BASE + 0x009C)
 109#define WSA881X_OTP_REG_29                      (WSA881X_DIGITAL_BASE + 0x009D)
 110#define WSA881X_OTP_REG_30                      (WSA881X_DIGITAL_BASE + 0x009E)
 111#define WSA881X_OTP_REG_31                      (WSA881X_DIGITAL_BASE + 0x009F)
 112#define WSA881X_OTP_REG_63                      (WSA881X_DIGITAL_BASE + 0x00BF)
 113
 114/* Analog Register address space */
 115#define WSA881X_BIAS_REF_CTRL                   (WSA881X_ANALOG_BASE + 0x0000)
 116#define WSA881X_BIAS_TEST                       (WSA881X_ANALOG_BASE + 0x0001)
 117#define WSA881X_BIAS_BIAS                       (WSA881X_ANALOG_BASE + 0x0002)
 118#define WSA881X_TEMP_OP                         (WSA881X_ANALOG_BASE + 0x0003)
 119#define WSA881X_TEMP_IREF_CTRL                  (WSA881X_ANALOG_BASE + 0x0004)
 120#define WSA881X_TEMP_ISENS_CTRL                 (WSA881X_ANALOG_BASE + 0x0005)
 121#define WSA881X_TEMP_CLK_CTRL                   (WSA881X_ANALOG_BASE + 0x0006)
 122#define WSA881X_TEMP_TEST                       (WSA881X_ANALOG_BASE + 0x0007)
 123#define WSA881X_TEMP_BIAS                       (WSA881X_ANALOG_BASE + 0x0008)
 124#define WSA881X_TEMP_ADC_CTRL                   (WSA881X_ANALOG_BASE + 0x0009)
 125#define WSA881X_TEMP_DOUT_MSB                   (WSA881X_ANALOG_BASE + 0x000A)
 126#define WSA881X_TEMP_DOUT_LSB                   (WSA881X_ANALOG_BASE + 0x000B)
 127#define WSA881X_ADC_EN_MODU_V                   (WSA881X_ANALOG_BASE + 0x0010)
 128#define WSA881X_ADC_EN_MODU_I                   (WSA881X_ANALOG_BASE + 0x0011)
 129#define WSA881X_ADC_EN_DET_TEST_V               (WSA881X_ANALOG_BASE + 0x0012)
 130#define WSA881X_ADC_EN_DET_TEST_I               (WSA881X_ANALOG_BASE + 0x0013)
 131#define WSA881X_ADC_SEL_IBIAS                   (WSA881X_ANALOG_BASE + 0x0014)
 132#define WSA881X_ADC_EN_SEL_IBAIS                (WSA881X_ANALOG_BASE + 0x0015)
 133#define WSA881X_SPKR_DRV_EN                     (WSA881X_ANALOG_BASE + 0x001A)
 134#define WSA881X_SPKR_DRV_GAIN                   (WSA881X_ANALOG_BASE + 0x001B)
 135#define WSA881X_PA_GAIN_SEL_MASK                BIT(3)
 136#define WSA881X_PA_GAIN_SEL_REG                 BIT(3)
 137#define WSA881X_PA_GAIN_SEL_DRE                 0
 138#define WSA881X_SPKR_PAG_GAIN_MASK              GENMASK(7, 4)
 139#define WSA881X_SPKR_DAC_CTL                    (WSA881X_ANALOG_BASE + 0x001C)
 140#define WSA881X_SPKR_DRV_DBG                    (WSA881X_ANALOG_BASE + 0x001D)
 141#define WSA881X_SPKR_PWRSTG_DBG                 (WSA881X_ANALOG_BASE + 0x001E)
 142#define WSA881X_SPKR_OCP_CTL                    (WSA881X_ANALOG_BASE + 0x001F)
 143#define WSA881X_SPKR_OCP_MASK                   GENMASK(7, 6)
 144#define WSA881X_SPKR_OCP_EN                     BIT(7)
 145#define WSA881X_SPKR_OCP_HOLD                   BIT(6)
 146#define WSA881X_SPKR_CLIP_CTL                   (WSA881X_ANALOG_BASE + 0x0020)
 147#define WSA881X_SPKR_BBM_CTL                    (WSA881X_ANALOG_BASE + 0x0021)
 148#define WSA881X_SPKR_MISC_CTL1                  (WSA881X_ANALOG_BASE + 0x0022)
 149#define WSA881X_SPKR_MISC_CTL2                  (WSA881X_ANALOG_BASE + 0x0023)
 150#define WSA881X_SPKR_BIAS_INT                   (WSA881X_ANALOG_BASE + 0x0024)
 151#define WSA881X_SPKR_PA_INT                     (WSA881X_ANALOG_BASE + 0x0025)
 152#define WSA881X_SPKR_BIAS_CAL                   (WSA881X_ANALOG_BASE + 0x0026)
 153#define WSA881X_SPKR_BIAS_PSRR                  (WSA881X_ANALOG_BASE + 0x0027)
 154#define WSA881X_SPKR_STATUS1                    (WSA881X_ANALOG_BASE + 0x0028)
 155#define WSA881X_SPKR_STATUS2                    (WSA881X_ANALOG_BASE + 0x0029)
 156#define WSA881X_BOOST_EN_CTL                    (WSA881X_ANALOG_BASE + 0x002A)
 157#define WSA881X_BOOST_EN_MASK                   BIT(7)
 158#define WSA881X_BOOST_EN                        BIT(7)
 159#define WSA881X_BOOST_CURRENT_LIMIT             (WSA881X_ANALOG_BASE + 0x002B)
 160#define WSA881X_BOOST_PS_CTL                    (WSA881X_ANALOG_BASE + 0x002C)
 161#define WSA881X_BOOST_PRESET_OUT1               (WSA881X_ANALOG_BASE + 0x002D)
 162#define WSA881X_BOOST_PRESET_OUT2               (WSA881X_ANALOG_BASE + 0x002E)
 163#define WSA881X_BOOST_FORCE_OUT                 (WSA881X_ANALOG_BASE + 0x002F)
 164#define WSA881X_BOOST_LDO_PROG                  (WSA881X_ANALOG_BASE + 0x0030)
 165#define WSA881X_BOOST_SLOPE_COMP_ISENSE_FB      (WSA881X_ANALOG_BASE + 0x0031)
 166#define WSA881X_BOOST_RON_CTL                   (WSA881X_ANALOG_BASE + 0x0032)
 167#define WSA881X_BOOST_LOOP_STABILITY            (WSA881X_ANALOG_BASE + 0x0033)
 168#define WSA881X_BOOST_ZX_CTL                    (WSA881X_ANALOG_BASE + 0x0034)
 169#define WSA881X_BOOST_START_CTL                 (WSA881X_ANALOG_BASE + 0x0035)
 170#define WSA881X_BOOST_MISC1_CTL                 (WSA881X_ANALOG_BASE + 0x0036)
 171#define WSA881X_BOOST_MISC2_CTL                 (WSA881X_ANALOG_BASE + 0x0037)
 172#define WSA881X_BOOST_MISC3_CTL                 (WSA881X_ANALOG_BASE + 0x0038)
 173#define WSA881X_BOOST_ATEST_CTL                 (WSA881X_ANALOG_BASE + 0x0039)
 174#define WSA881X_SPKR_PROT_FE_GAIN               (WSA881X_ANALOG_BASE + 0x003A)
 175#define WSA881X_SPKR_PROT_FE_CM_LDO_SET         (WSA881X_ANALOG_BASE + 0x003B)
 176#define WSA881X_SPKR_PROT_FE_ISENSE_BIAS_SET1   (WSA881X_ANALOG_BASE + 0x003C)
 177#define WSA881X_SPKR_PROT_FE_ISENSE_BIAS_SET2   (WSA881X_ANALOG_BASE + 0x003D)
 178#define WSA881X_SPKR_PROT_ATEST1                (WSA881X_ANALOG_BASE + 0x003E)
 179#define WSA881X_SPKR_PROT_ATEST2                (WSA881X_ANALOG_BASE + 0x003F)
 180#define WSA881X_SPKR_PROT_FE_VSENSE_VCM         (WSA881X_ANALOG_BASE + 0x0040)
 181#define WSA881X_SPKR_PROT_FE_VSENSE_BIAS_SET1   (WSA881X_ANALOG_BASE + 0x0041)
 182#define WSA881X_BONGO_RESRV_REG1                (WSA881X_ANALOG_BASE + 0x0042)
 183#define WSA881X_BONGO_RESRV_REG2                (WSA881X_ANALOG_BASE + 0x0043)
 184#define WSA881X_SPKR_PROT_SAR                   (WSA881X_ANALOG_BASE + 0x0044)
 185#define WSA881X_SPKR_STATUS3                    (WSA881X_ANALOG_BASE + 0x0045)
 186
 187#define SWRS_SCP_FRAME_CTRL_BANK(m)             (0x60 + 0x10 * (m))
 188#define SWRS_SCP_HOST_CLK_DIV2_CTL_BANK(m)      (0xE0 + 0x10 * (m))
 189#define SWR_SLV_MAX_REG_ADDR    0x390
 190#define SWR_SLV_START_REG_ADDR  0x40
 191#define SWR_SLV_MAX_BUF_LEN     20
 192#define BYTES_PER_LINE          12
 193#define SWR_SLV_RD_BUF_LEN      8
 194#define SWR_SLV_WR_BUF_LEN      32
 195#define SWR_SLV_MAX_DEVICES     2
 196#define WSA881X_MAX_SWR_PORTS   4
 197#define WSA881X_VERSION_ENTRY_SIZE 27
 198#define WSA881X_OCP_CTL_TIMER_SEC 2
 199#define WSA881X_OCP_CTL_TEMP_CELSIUS 25
 200#define WSA881X_OCP_CTL_POLL_TIMER_SEC 60
 201
 202#define WSA881X_PA_GAIN_TLV(xname, reg, shift, max, invert, tlv_array) \
 203{       .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \
 204        .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ |\
 205                 SNDRV_CTL_ELEM_ACCESS_READWRITE,\
 206        .tlv.p = (tlv_array), \
 207        .info = snd_soc_info_volsw, .get = snd_soc_get_volsw,\
 208        .put = wsa881x_put_pa_gain, \
 209        .private_value = SOC_SINGLE_VALUE(reg, shift, max, invert, 0) }
 210
 211static struct reg_default wsa881x_defaults[] = {
 212        { WSA881X_CHIP_ID0, 0x00 },
 213        { WSA881X_CHIP_ID1, 0x00 },
 214        { WSA881X_CHIP_ID2, 0x00 },
 215        { WSA881X_CHIP_ID3, 0x02 },
 216        { WSA881X_BUS_ID, 0x00 },
 217        { WSA881X_CDC_RST_CTL, 0x00 },
 218        { WSA881X_CDC_TOP_CLK_CTL, 0x03 },
 219        { WSA881X_CDC_ANA_CLK_CTL, 0x00 },
 220        { WSA881X_CDC_DIG_CLK_CTL, 0x00 },
 221        { WSA881X_CLOCK_CONFIG, 0x00 },
 222        { WSA881X_ANA_CTL, 0x08 },
 223        { WSA881X_SWR_RESET_EN, 0x00 },
 224        { WSA881X_TEMP_DETECT_CTL, 0x01 },
 225        { WSA881X_TEMP_MSB, 0x00 },
 226        { WSA881X_TEMP_LSB, 0x00 },
 227        { WSA881X_TEMP_CONFIG0, 0x00 },
 228        { WSA881X_TEMP_CONFIG1, 0x00 },
 229        { WSA881X_CDC_CLIP_CTL, 0x03 },
 230        { WSA881X_SDM_PDM9_LSB, 0x00 },
 231        { WSA881X_SDM_PDM9_MSB, 0x00 },
 232        { WSA881X_CDC_RX_CTL, 0x7E },
 233        { WSA881X_DEM_BYPASS_DATA0, 0x00 },
 234        { WSA881X_DEM_BYPASS_DATA1, 0x00 },
 235        { WSA881X_DEM_BYPASS_DATA2, 0x00 },
 236        { WSA881X_DEM_BYPASS_DATA3, 0x00 },
 237        { WSA881X_OTP_CTRL0, 0x00 },
 238        { WSA881X_OTP_CTRL1, 0x00 },
 239        { WSA881X_HDRIVE_CTL_GROUP1, 0x00 },
 240        { WSA881X_INTR_MODE, 0x00 },
 241        { WSA881X_INTR_STATUS, 0x00 },
 242        { WSA881X_INTR_CLEAR, 0x00 },
 243        { WSA881X_INTR_LEVEL, 0x00 },
 244        { WSA881X_INTR_SET, 0x00 },
 245        { WSA881X_INTR_TEST, 0x00 },
 246        { WSA881X_PDM_TEST_MODE, 0x00 },
 247        { WSA881X_ATE_TEST_MODE, 0x00 },
 248        { WSA881X_PIN_CTL_MODE, 0x00 },
 249        { WSA881X_PIN_CTL_OE, 0x00 },
 250        { WSA881X_PIN_WDATA_IOPAD, 0x00 },
 251        { WSA881X_PIN_STATUS, 0x00 },
 252        { WSA881X_DIG_DEBUG_MODE, 0x00 },
 253        { WSA881X_DIG_DEBUG_SEL, 0x00 },
 254        { WSA881X_DIG_DEBUG_EN, 0x00 },
 255        { WSA881X_SWR_HM_TEST1, 0x08 },
 256        { WSA881X_SWR_HM_TEST2, 0x00 },
 257        { WSA881X_TEMP_DETECT_DBG_CTL, 0x00 },
 258        { WSA881X_TEMP_DEBUG_MSB, 0x00 },
 259        { WSA881X_TEMP_DEBUG_LSB, 0x00 },
 260        { WSA881X_SAMPLE_EDGE_SEL, 0x0C },
 261        { WSA881X_SPARE_0, 0x00 },
 262        { WSA881X_SPARE_1, 0x00 },
 263        { WSA881X_SPARE_2, 0x00 },
 264        { WSA881X_OTP_REG_0, 0x01 },
 265        { WSA881X_OTP_REG_1, 0xFF },
 266        { WSA881X_OTP_REG_2, 0xC0 },
 267        { WSA881X_OTP_REG_3, 0xFF },
 268        { WSA881X_OTP_REG_4, 0xC0 },
 269        { WSA881X_OTP_REG_5, 0xFF },
 270        { WSA881X_OTP_REG_6, 0xFF },
 271        { WSA881X_OTP_REG_7, 0xFF },
 272        { WSA881X_OTP_REG_8, 0xFF },
 273        { WSA881X_OTP_REG_9, 0xFF },
 274        { WSA881X_OTP_REG_10, 0xFF },
 275        { WSA881X_OTP_REG_11, 0xFF },
 276        { WSA881X_OTP_REG_12, 0xFF },
 277        { WSA881X_OTP_REG_13, 0xFF },
 278        { WSA881X_OTP_REG_14, 0xFF },
 279        { WSA881X_OTP_REG_15, 0xFF },
 280        { WSA881X_OTP_REG_16, 0xFF },
 281        { WSA881X_OTP_REG_17, 0xFF },
 282        { WSA881X_OTP_REG_18, 0xFF },
 283        { WSA881X_OTP_REG_19, 0xFF },
 284        { WSA881X_OTP_REG_20, 0xFF },
 285        { WSA881X_OTP_REG_21, 0xFF },
 286        { WSA881X_OTP_REG_22, 0xFF },
 287        { WSA881X_OTP_REG_23, 0xFF },
 288        { WSA881X_OTP_REG_24, 0x03 },
 289        { WSA881X_OTP_REG_25, 0x01 },
 290        { WSA881X_OTP_REG_26, 0x03 },
 291        { WSA881X_OTP_REG_27, 0x11 },
 292        { WSA881X_OTP_REG_63, 0x40 },
 293        /* WSA881x Analog registers */
 294        { WSA881X_BIAS_REF_CTRL, 0x6C },
 295        { WSA881X_BIAS_TEST, 0x16 },
 296        { WSA881X_BIAS_BIAS, 0xF0 },
 297        { WSA881X_TEMP_OP, 0x00 },
 298        { WSA881X_TEMP_IREF_CTRL, 0x56 },
 299        { WSA881X_TEMP_ISENS_CTRL, 0x47 },
 300        { WSA881X_TEMP_CLK_CTRL, 0x87 },
 301        { WSA881X_TEMP_TEST, 0x00 },
 302        { WSA881X_TEMP_BIAS, 0x51 },
 303        { WSA881X_TEMP_DOUT_MSB, 0x00 },
 304        { WSA881X_TEMP_DOUT_LSB, 0x00 },
 305        { WSA881X_ADC_EN_MODU_V, 0x00 },
 306        { WSA881X_ADC_EN_MODU_I, 0x00 },
 307        { WSA881X_ADC_EN_DET_TEST_V, 0x00 },
 308        { WSA881X_ADC_EN_DET_TEST_I, 0x00 },
 309        { WSA881X_ADC_EN_SEL_IBAIS, 0x10 },
 310        { WSA881X_SPKR_DRV_EN, 0x74 },
 311        { WSA881X_SPKR_DRV_DBG, 0x15 },
 312        { WSA881X_SPKR_PWRSTG_DBG, 0x00 },
 313        { WSA881X_SPKR_OCP_CTL, 0xD4 },
 314        { WSA881X_SPKR_CLIP_CTL, 0x90 },
 315        { WSA881X_SPKR_PA_INT, 0x54 },
 316        { WSA881X_SPKR_BIAS_CAL, 0xAC },
 317        { WSA881X_SPKR_STATUS1, 0x00 },
 318        { WSA881X_SPKR_STATUS2, 0x00 },
 319        { WSA881X_BOOST_EN_CTL, 0x18 },
 320        { WSA881X_BOOST_CURRENT_LIMIT, 0x7A },
 321        { WSA881X_BOOST_PRESET_OUT2, 0x70 },
 322        { WSA881X_BOOST_FORCE_OUT, 0x0E },
 323        { WSA881X_BOOST_LDO_PROG, 0x16 },
 324        { WSA881X_BOOST_SLOPE_COMP_ISENSE_FB, 0x71 },
 325        { WSA881X_BOOST_RON_CTL, 0x0F },
 326        { WSA881X_BOOST_ZX_CTL, 0x34 },
 327        { WSA881X_BOOST_START_CTL, 0x23 },
 328        { WSA881X_BOOST_MISC1_CTL, 0x80 },
 329        { WSA881X_BOOST_MISC2_CTL, 0x00 },
 330        { WSA881X_BOOST_MISC3_CTL, 0x00 },
 331        { WSA881X_BOOST_ATEST_CTL, 0x00 },
 332        { WSA881X_SPKR_PROT_FE_GAIN, 0x46 },
 333        { WSA881X_SPKR_PROT_FE_CM_LDO_SET, 0x3B },
 334        { WSA881X_SPKR_PROT_FE_ISENSE_BIAS_SET1, 0x8D },
 335        { WSA881X_SPKR_PROT_FE_ISENSE_BIAS_SET2, 0x8D },
 336        { WSA881X_SPKR_PROT_ATEST1, 0x01 },
 337        { WSA881X_SPKR_PROT_FE_VSENSE_VCM, 0x8D },
 338        { WSA881X_SPKR_PROT_FE_VSENSE_BIAS_SET1, 0x4D },
 339        { WSA881X_SPKR_PROT_SAR, 0x00 },
 340        { WSA881X_SPKR_STATUS3, 0x00 },
 341};
 342
 343static const struct reg_sequence wsa881x_pre_pmu_pa_2_0[] = {
 344        { WSA881X_SPKR_DRV_GAIN, 0x41, 0 },
 345        { WSA881X_SPKR_MISC_CTL1, 0x87, 0 },
 346};
 347
 348static const struct reg_sequence wsa881x_vi_txfe_en_2_0[] = {
 349        { WSA881X_SPKR_PROT_FE_VSENSE_VCM, 0x85, 0 },
 350        { WSA881X_SPKR_PROT_ATEST2, 0x0A, 0 },
 351        { WSA881X_SPKR_PROT_FE_GAIN, 0x47, 0 },
 352};
 353
 354/* Default register reset values for WSA881x rev 2.0 */
 355static struct reg_sequence wsa881x_rev_2_0[] = {
 356        { WSA881X_RESET_CTL, 0x00, 0x00 },
 357        { WSA881X_TADC_VALUE_CTL, 0x01, 0x00 },
 358        { WSA881X_INTR_MASK, 0x1B, 0x00 },
 359        { WSA881X_IOPAD_CTL, 0x00, 0x00 },
 360        { WSA881X_OTP_REG_28, 0x3F, 0x00 },
 361        { WSA881X_OTP_REG_29, 0x3F, 0x00 },
 362        { WSA881X_OTP_REG_30, 0x01, 0x00 },
 363        { WSA881X_OTP_REG_31, 0x01, 0x00 },
 364        { WSA881X_TEMP_ADC_CTRL, 0x03, 0x00 },
 365        { WSA881X_ADC_SEL_IBIAS, 0x45, 0x00 },
 366        { WSA881X_SPKR_DRV_GAIN, 0xC1, 0x00 },
 367        { WSA881X_SPKR_DAC_CTL, 0x42, 0x00 },
 368        { WSA881X_SPKR_BBM_CTL, 0x02, 0x00 },
 369        { WSA881X_SPKR_MISC_CTL1, 0x40, 0x00 },
 370        { WSA881X_SPKR_MISC_CTL2, 0x07, 0x00 },
 371        { WSA881X_SPKR_BIAS_INT, 0x5F, 0x00 },
 372        { WSA881X_SPKR_BIAS_PSRR, 0x44, 0x00 },
 373        { WSA881X_BOOST_PS_CTL, 0xA0, 0x00 },
 374        { WSA881X_BOOST_PRESET_OUT1, 0xB7, 0x00 },
 375        { WSA881X_BOOST_LOOP_STABILITY, 0x8D, 0x00 },
 376        { WSA881X_SPKR_PROT_ATEST2, 0x02, 0x00 },
 377        { WSA881X_BONGO_RESRV_REG1, 0x5E, 0x00 },
 378        { WSA881X_BONGO_RESRV_REG2, 0x07, 0x00 },
 379};
 380
 381enum wsa_port_ids {
 382        WSA881X_PORT_DAC,
 383        WSA881X_PORT_COMP,
 384        WSA881X_PORT_BOOST,
 385        WSA881X_PORT_VISENSE,
 386};
 387
 388/* 4 ports */
 389static struct sdw_dpn_prop wsa_sink_dpn_prop[WSA881X_MAX_SWR_PORTS] = {
 390        {
 391                /* DAC */
 392                .num = 1,
 393                .type = SDW_DPN_SIMPLE,
 394                .min_ch = 1,
 395                .max_ch = 1,
 396                .simple_ch_prep_sm = true,
 397                .read_only_wordlength = true,
 398        }, {
 399                /* COMP */
 400                .num = 2,
 401                .type = SDW_DPN_SIMPLE,
 402                .min_ch = 1,
 403                .max_ch = 1,
 404                .simple_ch_prep_sm = true,
 405                .read_only_wordlength = true,
 406        }, {
 407                /* BOOST */
 408                .num = 3,
 409                .type = SDW_DPN_SIMPLE,
 410                .min_ch = 1,
 411                .max_ch = 1,
 412                .simple_ch_prep_sm = true,
 413                .read_only_wordlength = true,
 414        }, {
 415                /* VISENSE */
 416                .num = 4,
 417                .type = SDW_DPN_SIMPLE,
 418                .min_ch = 1,
 419                .max_ch = 1,
 420                .simple_ch_prep_sm = true,
 421                .read_only_wordlength = true,
 422        }
 423};
 424
 425static struct sdw_port_config wsa881x_pconfig[WSA881X_MAX_SWR_PORTS] = {
 426        {
 427                .num = 1,
 428                .ch_mask = 0x1,
 429        }, {
 430                .num = 2,
 431                .ch_mask = 0xf,
 432        }, {
 433                .num = 3,
 434                .ch_mask = 0x3,
 435        }, {    /* IV feedback */
 436                .num = 4,
 437                .ch_mask = 0x3,
 438        },
 439};
 440
 441static bool wsa881x_readable_register(struct device *dev, unsigned int reg)
 442{
 443        switch (reg) {
 444        case WSA881X_CHIP_ID0:
 445        case WSA881X_CHIP_ID1:
 446        case WSA881X_CHIP_ID2:
 447        case WSA881X_CHIP_ID3:
 448        case WSA881X_BUS_ID:
 449        case WSA881X_CDC_RST_CTL:
 450        case WSA881X_CDC_TOP_CLK_CTL:
 451        case WSA881X_CDC_ANA_CLK_CTL:
 452        case WSA881X_CDC_DIG_CLK_CTL:
 453        case WSA881X_CLOCK_CONFIG:
 454        case WSA881X_ANA_CTL:
 455        case WSA881X_SWR_RESET_EN:
 456        case WSA881X_RESET_CTL:
 457        case WSA881X_TADC_VALUE_CTL:
 458        case WSA881X_TEMP_DETECT_CTL:
 459        case WSA881X_TEMP_MSB:
 460        case WSA881X_TEMP_LSB:
 461        case WSA881X_TEMP_CONFIG0:
 462        case WSA881X_TEMP_CONFIG1:
 463        case WSA881X_CDC_CLIP_CTL:
 464        case WSA881X_SDM_PDM9_LSB:
 465        case WSA881X_SDM_PDM9_MSB:
 466        case WSA881X_CDC_RX_CTL:
 467        case WSA881X_DEM_BYPASS_DATA0:
 468        case WSA881X_DEM_BYPASS_DATA1:
 469        case WSA881X_DEM_BYPASS_DATA2:
 470        case WSA881X_DEM_BYPASS_DATA3:
 471        case WSA881X_OTP_CTRL0:
 472        case WSA881X_OTP_CTRL1:
 473        case WSA881X_HDRIVE_CTL_GROUP1:
 474        case WSA881X_INTR_MODE:
 475        case WSA881X_INTR_MASK:
 476        case WSA881X_INTR_STATUS:
 477        case WSA881X_INTR_CLEAR:
 478        case WSA881X_INTR_LEVEL:
 479        case WSA881X_INTR_SET:
 480        case WSA881X_INTR_TEST:
 481        case WSA881X_PDM_TEST_MODE:
 482        case WSA881X_ATE_TEST_MODE:
 483        case WSA881X_PIN_CTL_MODE:
 484        case WSA881X_PIN_CTL_OE:
 485        case WSA881X_PIN_WDATA_IOPAD:
 486        case WSA881X_PIN_STATUS:
 487        case WSA881X_DIG_DEBUG_MODE:
 488        case WSA881X_DIG_DEBUG_SEL:
 489        case WSA881X_DIG_DEBUG_EN:
 490        case WSA881X_SWR_HM_TEST1:
 491        case WSA881X_SWR_HM_TEST2:
 492        case WSA881X_TEMP_DETECT_DBG_CTL:
 493        case WSA881X_TEMP_DEBUG_MSB:
 494        case WSA881X_TEMP_DEBUG_LSB:
 495        case WSA881X_SAMPLE_EDGE_SEL:
 496        case WSA881X_IOPAD_CTL:
 497        case WSA881X_SPARE_0:
 498        case WSA881X_SPARE_1:
 499        case WSA881X_SPARE_2:
 500        case WSA881X_OTP_REG_0:
 501        case WSA881X_OTP_REG_1:
 502        case WSA881X_OTP_REG_2:
 503        case WSA881X_OTP_REG_3:
 504        case WSA881X_OTP_REG_4:
 505        case WSA881X_OTP_REG_5:
 506        case WSA881X_OTP_REG_6:
 507        case WSA881X_OTP_REG_7:
 508        case WSA881X_OTP_REG_8:
 509        case WSA881X_OTP_REG_9:
 510        case WSA881X_OTP_REG_10:
 511        case WSA881X_OTP_REG_11:
 512        case WSA881X_OTP_REG_12:
 513        case WSA881X_OTP_REG_13:
 514        case WSA881X_OTP_REG_14:
 515        case WSA881X_OTP_REG_15:
 516        case WSA881X_OTP_REG_16:
 517        case WSA881X_OTP_REG_17:
 518        case WSA881X_OTP_REG_18:
 519        case WSA881X_OTP_REG_19:
 520        case WSA881X_OTP_REG_20:
 521        case WSA881X_OTP_REG_21:
 522        case WSA881X_OTP_REG_22:
 523        case WSA881X_OTP_REG_23:
 524        case WSA881X_OTP_REG_24:
 525        case WSA881X_OTP_REG_25:
 526        case WSA881X_OTP_REG_26:
 527        case WSA881X_OTP_REG_27:
 528        case WSA881X_OTP_REG_28:
 529        case WSA881X_OTP_REG_29:
 530        case WSA881X_OTP_REG_30:
 531        case WSA881X_OTP_REG_31:
 532        case WSA881X_OTP_REG_63:
 533        case WSA881X_BIAS_REF_CTRL:
 534        case WSA881X_BIAS_TEST:
 535        case WSA881X_BIAS_BIAS:
 536        case WSA881X_TEMP_OP:
 537        case WSA881X_TEMP_IREF_CTRL:
 538        case WSA881X_TEMP_ISENS_CTRL:
 539        case WSA881X_TEMP_CLK_CTRL:
 540        case WSA881X_TEMP_TEST:
 541        case WSA881X_TEMP_BIAS:
 542        case WSA881X_TEMP_ADC_CTRL:
 543        case WSA881X_TEMP_DOUT_MSB:
 544        case WSA881X_TEMP_DOUT_LSB:
 545        case WSA881X_ADC_EN_MODU_V:
 546        case WSA881X_ADC_EN_MODU_I:
 547        case WSA881X_ADC_EN_DET_TEST_V:
 548        case WSA881X_ADC_EN_DET_TEST_I:
 549        case WSA881X_ADC_SEL_IBIAS:
 550        case WSA881X_ADC_EN_SEL_IBAIS:
 551        case WSA881X_SPKR_DRV_EN:
 552        case WSA881X_SPKR_DRV_GAIN:
 553        case WSA881X_SPKR_DAC_CTL:
 554        case WSA881X_SPKR_DRV_DBG:
 555        case WSA881X_SPKR_PWRSTG_DBG:
 556        case WSA881X_SPKR_OCP_CTL:
 557        case WSA881X_SPKR_CLIP_CTL:
 558        case WSA881X_SPKR_BBM_CTL:
 559        case WSA881X_SPKR_MISC_CTL1:
 560        case WSA881X_SPKR_MISC_CTL2:
 561        case WSA881X_SPKR_BIAS_INT:
 562        case WSA881X_SPKR_PA_INT:
 563        case WSA881X_SPKR_BIAS_CAL:
 564        case WSA881X_SPKR_BIAS_PSRR:
 565        case WSA881X_SPKR_STATUS1:
 566        case WSA881X_SPKR_STATUS2:
 567        case WSA881X_BOOST_EN_CTL:
 568        case WSA881X_BOOST_CURRENT_LIMIT:
 569        case WSA881X_BOOST_PS_CTL:
 570        case WSA881X_BOOST_PRESET_OUT1:
 571        case WSA881X_BOOST_PRESET_OUT2:
 572        case WSA881X_BOOST_FORCE_OUT:
 573        case WSA881X_BOOST_LDO_PROG:
 574        case WSA881X_BOOST_SLOPE_COMP_ISENSE_FB:
 575        case WSA881X_BOOST_RON_CTL:
 576        case WSA881X_BOOST_LOOP_STABILITY:
 577        case WSA881X_BOOST_ZX_CTL:
 578        case WSA881X_BOOST_START_CTL:
 579        case WSA881X_BOOST_MISC1_CTL:
 580        case WSA881X_BOOST_MISC2_CTL:
 581        case WSA881X_BOOST_MISC3_CTL:
 582        case WSA881X_BOOST_ATEST_CTL:
 583        case WSA881X_SPKR_PROT_FE_GAIN:
 584        case WSA881X_SPKR_PROT_FE_CM_LDO_SET:
 585        case WSA881X_SPKR_PROT_FE_ISENSE_BIAS_SET1:
 586        case WSA881X_SPKR_PROT_FE_ISENSE_BIAS_SET2:
 587        case WSA881X_SPKR_PROT_ATEST1:
 588        case WSA881X_SPKR_PROT_ATEST2:
 589        case WSA881X_SPKR_PROT_FE_VSENSE_VCM:
 590        case WSA881X_SPKR_PROT_FE_VSENSE_BIAS_SET1:
 591        case WSA881X_BONGO_RESRV_REG1:
 592        case WSA881X_BONGO_RESRV_REG2:
 593        case WSA881X_SPKR_PROT_SAR:
 594        case WSA881X_SPKR_STATUS3:
 595                return true;
 596        default:
 597                return false;
 598        }
 599}
 600
 601static bool wsa881x_volatile_register(struct device *dev, unsigned int reg)
 602{
 603        switch (reg) {
 604        case WSA881X_CHIP_ID0:
 605        case WSA881X_CHIP_ID1:
 606        case WSA881X_CHIP_ID2:
 607        case WSA881X_CHIP_ID3:
 608        case WSA881X_BUS_ID:
 609        case WSA881X_TEMP_MSB:
 610        case WSA881X_TEMP_LSB:
 611        case WSA881X_SDM_PDM9_LSB:
 612        case WSA881X_SDM_PDM9_MSB:
 613        case WSA881X_OTP_CTRL1:
 614        case WSA881X_INTR_STATUS:
 615        case WSA881X_ATE_TEST_MODE:
 616        case WSA881X_PIN_STATUS:
 617        case WSA881X_SWR_HM_TEST2:
 618        case WSA881X_SPKR_STATUS1:
 619        case WSA881X_SPKR_STATUS2:
 620        case WSA881X_SPKR_STATUS3:
 621        case WSA881X_OTP_REG_0:
 622        case WSA881X_OTP_REG_1:
 623        case WSA881X_OTP_REG_2:
 624        case WSA881X_OTP_REG_3:
 625        case WSA881X_OTP_REG_4:
 626        case WSA881X_OTP_REG_5:
 627        case WSA881X_OTP_REG_31:
 628        case WSA881X_TEMP_DOUT_MSB:
 629        case WSA881X_TEMP_DOUT_LSB:
 630        case WSA881X_TEMP_OP:
 631        case WSA881X_SPKR_PROT_SAR:
 632                return true;
 633        default:
 634                return false;
 635        }
 636}
 637
 638static struct regmap_config wsa881x_regmap_config = {
 639        .reg_bits = 32,
 640        .val_bits = 8,
 641        .cache_type = REGCACHE_RBTREE,
 642        .reg_defaults = wsa881x_defaults,
 643        .num_reg_defaults = ARRAY_SIZE(wsa881x_defaults),
 644        .volatile_reg = wsa881x_volatile_register,
 645        .readable_reg = wsa881x_readable_register,
 646        .reg_format_endian = REGMAP_ENDIAN_NATIVE,
 647        .val_format_endian = REGMAP_ENDIAN_NATIVE,
 648        .can_multi_write = true,
 649};
 650
 651enum {
 652        G_18DB = 0,
 653        G_16P5DB,
 654        G_15DB,
 655        G_13P5DB,
 656        G_12DB,
 657        G_10P5DB,
 658        G_9DB,
 659        G_7P5DB,
 660        G_6DB,
 661        G_4P5DB,
 662        G_3DB,
 663        G_1P5DB,
 664        G_0DB,
 665};
 666
 667/*
 668 * Private data Structure for wsa881x. All parameters related to
 669 * WSA881X codec needs to be defined here.
 670 */
 671struct wsa881x_priv {
 672        struct regmap *regmap;
 673        struct device *dev;
 674        struct sdw_slave *slave;
 675        struct sdw_stream_config sconfig;
 676        struct sdw_stream_runtime *sruntime;
 677        struct sdw_port_config port_config[WSA881X_MAX_SWR_PORTS];
 678        struct gpio_desc *sd_n;
 679        int version;
 680        int active_ports;
 681        bool port_prepared[WSA881X_MAX_SWR_PORTS];
 682        bool port_enable[WSA881X_MAX_SWR_PORTS];
 683};
 684
 685static void wsa881x_init(struct wsa881x_priv *wsa881x)
 686{
 687        struct regmap *rm = wsa881x->regmap;
 688        unsigned int val = 0;
 689
 690        regmap_read(rm, WSA881X_CHIP_ID1, &wsa881x->version);
 691        regmap_register_patch(wsa881x->regmap, wsa881x_rev_2_0,
 692                              ARRAY_SIZE(wsa881x_rev_2_0));
 693
 694        /* Enable software reset output from soundwire slave */
 695        regmap_update_bits(rm, WSA881X_SWR_RESET_EN, 0x07, 0x07);
 696
 697        /* Bring out of analog reset */
 698        regmap_update_bits(rm, WSA881X_CDC_RST_CTL, 0x02, 0x02);
 699
 700        /* Bring out of digital reset */
 701        regmap_update_bits(rm, WSA881X_CDC_RST_CTL, 0x01, 0x01);
 702        regmap_update_bits(rm, WSA881X_CLOCK_CONFIG, 0x10, 0x10);
 703        regmap_update_bits(rm, WSA881X_SPKR_OCP_CTL, 0x02, 0x02);
 704        regmap_update_bits(rm, WSA881X_SPKR_MISC_CTL1, 0xC0, 0x80);
 705        regmap_update_bits(rm, WSA881X_SPKR_MISC_CTL1, 0x06, 0x06);
 706        regmap_update_bits(rm, WSA881X_SPKR_BIAS_INT, 0xFF, 0x00);
 707        regmap_update_bits(rm, WSA881X_SPKR_PA_INT, 0xF0, 0x40);
 708        regmap_update_bits(rm, WSA881X_SPKR_PA_INT, 0x0E, 0x0E);
 709        regmap_update_bits(rm, WSA881X_BOOST_LOOP_STABILITY, 0x03, 0x03);
 710        regmap_update_bits(rm, WSA881X_BOOST_MISC2_CTL, 0xFF, 0x14);
 711        regmap_update_bits(rm, WSA881X_BOOST_START_CTL, 0x80, 0x80);
 712        regmap_update_bits(rm, WSA881X_BOOST_START_CTL, 0x03, 0x00);
 713        regmap_update_bits(rm, WSA881X_BOOST_SLOPE_COMP_ISENSE_FB, 0x0C, 0x04);
 714        regmap_update_bits(rm, WSA881X_BOOST_SLOPE_COMP_ISENSE_FB, 0x03, 0x00);
 715
 716        regmap_read(rm, WSA881X_OTP_REG_0, &val);
 717        if (val)
 718                regmap_update_bits(rm, WSA881X_BOOST_PRESET_OUT1, 0xF0, 0x70);
 719
 720        regmap_update_bits(rm, WSA881X_BOOST_PRESET_OUT2, 0xF0, 0x30);
 721        regmap_update_bits(rm, WSA881X_SPKR_DRV_EN, 0x08, 0x08);
 722        regmap_update_bits(rm, WSA881X_BOOST_CURRENT_LIMIT, 0x0F, 0x08);
 723        regmap_update_bits(rm, WSA881X_SPKR_OCP_CTL, 0x30, 0x30);
 724        regmap_update_bits(rm, WSA881X_SPKR_OCP_CTL, 0x0C, 0x00);
 725        regmap_update_bits(rm, WSA881X_OTP_REG_28, 0x3F, 0x3A);
 726        regmap_update_bits(rm, WSA881X_BONGO_RESRV_REG1, 0xFF, 0xB2);
 727        regmap_update_bits(rm, WSA881X_BONGO_RESRV_REG2, 0xFF, 0x05);
 728}
 729
 730static int wsa881x_component_probe(struct snd_soc_component *comp)
 731{
 732        struct wsa881x_priv *wsa881x = snd_soc_component_get_drvdata(comp);
 733
 734        snd_soc_component_init_regmap(comp, wsa881x->regmap);
 735
 736        return 0;
 737}
 738
 739static int wsa881x_put_pa_gain(struct snd_kcontrol *kc,
 740                               struct snd_ctl_elem_value *ucontrol)
 741{
 742        struct snd_soc_component *comp = snd_soc_kcontrol_component(kc);
 743        struct soc_mixer_control *mc =
 744                        (struct soc_mixer_control *)kc->private_value;
 745        int max = mc->max;
 746        unsigned int mask = (1 << fls(max)) - 1;
 747        int val, ret, min_gain, max_gain;
 748
 749        max_gain = (max - ucontrol->value.integer.value[0]) & mask;
 750        /*
 751         * Gain has to set incrementally in 4 steps
 752         * as per HW sequence
 753         */
 754        if (max_gain > G_4P5DB)
 755                min_gain = G_0DB;
 756        else
 757                min_gain = max_gain + 3;
 758        /*
 759         * 1ms delay is needed before change in gain
 760         * as per HW requirement.
 761         */
 762        usleep_range(1000, 1010);
 763
 764        for (val = min_gain; max_gain <= val; val--) {
 765                ret = snd_soc_component_update_bits(comp,
 766                              WSA881X_SPKR_DRV_GAIN,
 767                              WSA881X_SPKR_PAG_GAIN_MASK,
 768                              val << 4);
 769                if (ret < 0)
 770                        dev_err(comp->dev, "Failed to change PA gain");
 771
 772                usleep_range(1000, 1010);
 773        }
 774        return 0;
 775}
 776
 777static int wsa881x_get_port(struct snd_kcontrol *kcontrol,
 778                            struct snd_ctl_elem_value *ucontrol)
 779{
 780        struct snd_soc_component *comp = snd_soc_kcontrol_component(kcontrol);
 781        struct wsa881x_priv *data = snd_soc_component_get_drvdata(comp);
 782        struct soc_mixer_control *mixer =
 783                (struct soc_mixer_control *)kcontrol->private_value;
 784        int portidx = mixer->reg;
 785
 786        ucontrol->value.integer.value[0] = data->port_enable[portidx];
 787
 788
 789        return 0;
 790}
 791
 792static int wsa881x_boost_ctrl(struct snd_soc_component *comp, bool enable)
 793{
 794        if (enable)
 795                snd_soc_component_update_bits(comp, WSA881X_BOOST_EN_CTL,
 796                                              WSA881X_BOOST_EN_MASK,
 797                                              WSA881X_BOOST_EN);
 798        else
 799                snd_soc_component_update_bits(comp, WSA881X_BOOST_EN_CTL,
 800                                              WSA881X_BOOST_EN_MASK, 0);
 801        /*
 802         * 1.5ms sleep is needed after boost enable/disable as per
 803         * HW requirement
 804         */
 805        usleep_range(1500, 1510);
 806        return 0;
 807}
 808
 809static int wsa881x_set_port(struct snd_kcontrol *kcontrol,
 810                            struct snd_ctl_elem_value *ucontrol)
 811{
 812        struct snd_soc_component *comp = snd_soc_kcontrol_component(kcontrol);
 813        struct wsa881x_priv *data = snd_soc_component_get_drvdata(comp);
 814        struct soc_mixer_control *mixer =
 815                (struct soc_mixer_control *)kcontrol->private_value;
 816        int portidx = mixer->reg;
 817
 818        if (ucontrol->value.integer.value[0])
 819                data->port_enable[portidx] = true;
 820        else
 821                data->port_enable[portidx] = false;
 822
 823        if (portidx == WSA881X_PORT_BOOST) /* Boost Switch */
 824                wsa881x_boost_ctrl(comp, data->port_enable[portidx]);
 825
 826        return 0;
 827}
 828
 829static const char * const smart_boost_lvl_text[] = {
 830        "6.625 V", "6.750 V", "6.875 V", "7.000 V",
 831        "7.125 V", "7.250 V", "7.375 V", "7.500 V",
 832        "7.625 V", "7.750 V", "7.875 V", "8.000 V",
 833        "8.125 V", "8.250 V", "8.375 V", "8.500 V"
 834};
 835
 836static const struct soc_enum smart_boost_lvl_enum =
 837        SOC_ENUM_SINGLE(WSA881X_BOOST_PRESET_OUT1, 0,
 838                        ARRAY_SIZE(smart_boost_lvl_text),
 839                        smart_boost_lvl_text);
 840
 841static const DECLARE_TLV_DB_SCALE(pa_gain, 0, 150, 0);
 842
 843static const struct snd_kcontrol_new wsa881x_snd_controls[] = {
 844        SOC_ENUM("Smart Boost Level", smart_boost_lvl_enum),
 845        WSA881X_PA_GAIN_TLV("PA Volume", WSA881X_SPKR_DRV_GAIN,
 846                            4, 0xC, 1, pa_gain),
 847        SOC_SINGLE_EXT("DAC Switch", WSA881X_PORT_DAC, 0, 1, 0,
 848                       wsa881x_get_port, wsa881x_set_port),
 849        SOC_SINGLE_EXT("COMP Switch", WSA881X_PORT_COMP, 0, 1, 0,
 850                       wsa881x_get_port, wsa881x_set_port),
 851        SOC_SINGLE_EXT("BOOST Switch", WSA881X_PORT_BOOST, 0, 1, 0,
 852                       wsa881x_get_port, wsa881x_set_port),
 853        SOC_SINGLE_EXT("VISENSE Switch", WSA881X_PORT_VISENSE, 0, 1, 0,
 854                       wsa881x_get_port, wsa881x_set_port),
 855};
 856
 857static const struct snd_soc_dapm_route wsa881x_audio_map[] = {
 858        { "RDAC", NULL, "IN" },
 859        { "RDAC", NULL, "DCLK" },
 860        { "RDAC", NULL, "ACLK" },
 861        { "RDAC", NULL, "Bandgap" },
 862        { "SPKR PGA", NULL, "RDAC" },
 863        { "SPKR", NULL, "SPKR PGA" },
 864};
 865
 866static int wsa881x_visense_txfe_ctrl(struct snd_soc_component *comp,
 867                                     bool enable)
 868{
 869        struct wsa881x_priv *wsa881x = snd_soc_component_get_drvdata(comp);
 870
 871        if (enable) {
 872                regmap_multi_reg_write(wsa881x->regmap, wsa881x_vi_txfe_en_2_0,
 873                                       ARRAY_SIZE(wsa881x_vi_txfe_en_2_0));
 874        } else {
 875                snd_soc_component_update_bits(comp,
 876                                              WSA881X_SPKR_PROT_FE_VSENSE_VCM,
 877                                              0x08, 0x08);
 878                /*
 879                 * 200us sleep is needed after visense txfe disable as per
 880                 * HW requirement.
 881                 */
 882                usleep_range(200, 210);
 883                snd_soc_component_update_bits(comp, WSA881X_SPKR_PROT_FE_GAIN,
 884                                              0x01, 0x00);
 885        }
 886        return 0;
 887}
 888
 889static int wsa881x_visense_adc_ctrl(struct snd_soc_component *comp,
 890                                    bool enable)
 891{
 892        snd_soc_component_update_bits(comp, WSA881X_ADC_EN_MODU_V, BIT(7),
 893                                      (enable << 7));
 894        snd_soc_component_update_bits(comp, WSA881X_ADC_EN_MODU_I, BIT(7),
 895                                      (enable << 7));
 896        return 0;
 897}
 898
 899static int wsa881x_spkr_pa_event(struct snd_soc_dapm_widget *w,
 900                                 struct snd_kcontrol *kcontrol, int event)
 901{
 902        struct snd_soc_component *comp = snd_soc_dapm_to_component(w->dapm);
 903        struct wsa881x_priv *wsa881x = snd_soc_component_get_drvdata(comp);
 904
 905        switch (event) {
 906        case SND_SOC_DAPM_PRE_PMU:
 907                snd_soc_component_update_bits(comp, WSA881X_SPKR_OCP_CTL,
 908                                              WSA881X_SPKR_OCP_MASK,
 909                                              WSA881X_SPKR_OCP_EN);
 910                regmap_multi_reg_write(wsa881x->regmap, wsa881x_pre_pmu_pa_2_0,
 911                                       ARRAY_SIZE(wsa881x_pre_pmu_pa_2_0));
 912
 913                snd_soc_component_update_bits(comp, WSA881X_SPKR_DRV_GAIN,
 914                                              WSA881X_PA_GAIN_SEL_MASK,
 915                                              WSA881X_PA_GAIN_SEL_REG);
 916                break;
 917        case SND_SOC_DAPM_POST_PMU:
 918                if (wsa881x->port_prepared[WSA881X_PORT_VISENSE]) {
 919                        wsa881x_visense_txfe_ctrl(comp, true);
 920                        snd_soc_component_update_bits(comp,
 921                                                      WSA881X_ADC_EN_SEL_IBAIS,
 922                                                      0x07, 0x01);
 923                        wsa881x_visense_adc_ctrl(comp, true);
 924                }
 925
 926                break;
 927        case SND_SOC_DAPM_POST_PMD:
 928                if (wsa881x->port_prepared[WSA881X_PORT_VISENSE]) {
 929                        wsa881x_visense_adc_ctrl(comp, false);
 930                        wsa881x_visense_txfe_ctrl(comp, false);
 931                }
 932
 933                snd_soc_component_update_bits(comp, WSA881X_SPKR_OCP_CTL,
 934                                              WSA881X_SPKR_OCP_MASK,
 935                                              WSA881X_SPKR_OCP_EN |
 936                                              WSA881X_SPKR_OCP_HOLD);
 937                break;
 938        }
 939        return 0;
 940}
 941
 942static const struct snd_soc_dapm_widget wsa881x_dapm_widgets[] = {
 943        SND_SOC_DAPM_INPUT("IN"),
 944        SND_SOC_DAPM_DAC_E("RDAC", NULL, WSA881X_SPKR_DAC_CTL, 7, 0,
 945                           NULL,
 946                           SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD),
 947        SND_SOC_DAPM_PGA_E("SPKR PGA", SND_SOC_NOPM, 0, 0, NULL, 0,
 948                           wsa881x_spkr_pa_event, SND_SOC_DAPM_PRE_PMU |
 949                           SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD),
 950        SND_SOC_DAPM_SUPPLY("DCLK", WSA881X_CDC_DIG_CLK_CTL, 0, 0, NULL,
 951                            SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD),
 952        SND_SOC_DAPM_SUPPLY("ACLK", WSA881X_CDC_ANA_CLK_CTL, 0, 0, NULL,
 953                            SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD),
 954        SND_SOC_DAPM_SUPPLY("Bandgap", WSA881X_TEMP_OP, 3, 0,
 955                            NULL,
 956                            SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD),
 957        SND_SOC_DAPM_OUTPUT("SPKR"),
 958};
 959
 960static int wsa881x_hw_params(struct snd_pcm_substream *substream,
 961                             struct snd_pcm_hw_params *params,
 962                             struct snd_soc_dai *dai)
 963{
 964        struct wsa881x_priv *wsa881x = dev_get_drvdata(dai->dev);
 965        int i;
 966
 967        wsa881x->active_ports = 0;
 968        for (i = 0; i < WSA881X_MAX_SWR_PORTS; i++) {
 969                if (!wsa881x->port_enable[i])
 970                        continue;
 971
 972                wsa881x->port_config[wsa881x->active_ports] =
 973                                                        wsa881x_pconfig[i];
 974                wsa881x->active_ports++;
 975        }
 976
 977        return sdw_stream_add_slave(wsa881x->slave, &wsa881x->sconfig,
 978                                    wsa881x->port_config, wsa881x->active_ports,
 979                                    wsa881x->sruntime);
 980}
 981
 982static int wsa881x_hw_free(struct snd_pcm_substream *substream,
 983                           struct snd_soc_dai *dai)
 984{
 985        struct wsa881x_priv *wsa881x = dev_get_drvdata(dai->dev);
 986
 987        sdw_stream_remove_slave(wsa881x->slave, wsa881x->sruntime);
 988
 989        return 0;
 990}
 991
 992static int wsa881x_set_sdw_stream(struct snd_soc_dai *dai,
 993                                  void *stream, int direction)
 994{
 995        struct wsa881x_priv *wsa881x = dev_get_drvdata(dai->dev);
 996
 997        wsa881x->sruntime = stream;
 998
 999        return 0;
1000}
1001
1002static int wsa881x_digital_mute(struct snd_soc_dai *dai, int mute, int stream)
1003{
1004        struct wsa881x_priv *wsa881x = dev_get_drvdata(dai->dev);
1005
1006        if (mute)
1007                regmap_update_bits(wsa881x->regmap, WSA881X_SPKR_DRV_EN, 0x80,
1008                                   0x00);
1009        else
1010                regmap_update_bits(wsa881x->regmap, WSA881X_SPKR_DRV_EN, 0x80,
1011                                   0x80);
1012
1013        return 0;
1014}
1015
1016static struct snd_soc_dai_ops wsa881x_dai_ops = {
1017        .hw_params = wsa881x_hw_params,
1018        .hw_free = wsa881x_hw_free,
1019        .mute_stream = wsa881x_digital_mute,
1020        .set_sdw_stream = wsa881x_set_sdw_stream,
1021};
1022
1023static struct snd_soc_dai_driver wsa881x_dais[] = {
1024        {
1025                .name = "SPKR",
1026                .id = 0,
1027                .playback = {
1028                        .stream_name = "SPKR Playback",
1029                        .rates = SNDRV_PCM_RATE_48000,
1030                        .formats = SNDRV_PCM_FMTBIT_S16_LE,
1031                        .rate_max = 48000,
1032                        .rate_min = 48000,
1033                        .channels_min = 1,
1034                        .channels_max = 1,
1035                },
1036                .ops = &wsa881x_dai_ops,
1037        },
1038};
1039
1040static const struct snd_soc_component_driver wsa881x_component_drv = {
1041        .name = "WSA881x",
1042        .probe = wsa881x_component_probe,
1043        .controls = wsa881x_snd_controls,
1044        .num_controls = ARRAY_SIZE(wsa881x_snd_controls),
1045        .dapm_widgets = wsa881x_dapm_widgets,
1046        .num_dapm_widgets = ARRAY_SIZE(wsa881x_dapm_widgets),
1047        .dapm_routes = wsa881x_audio_map,
1048        .num_dapm_routes = ARRAY_SIZE(wsa881x_audio_map),
1049};
1050
1051static int wsa881x_update_status(struct sdw_slave *slave,
1052                                 enum sdw_slave_status status)
1053{
1054        struct wsa881x_priv *wsa881x = dev_get_drvdata(&slave->dev);
1055
1056        if (status == SDW_SLAVE_ATTACHED && slave->dev_num > 0)
1057                wsa881x_init(wsa881x);
1058
1059        return 0;
1060}
1061
1062static int wsa881x_port_prep(struct sdw_slave *slave,
1063                             struct sdw_prepare_ch *prepare_ch,
1064                             enum sdw_port_prep_ops state)
1065{
1066        struct wsa881x_priv *wsa881x = dev_get_drvdata(&slave->dev);
1067
1068        if (state == SDW_OPS_PORT_POST_PREP)
1069                wsa881x->port_prepared[prepare_ch->num - 1] = true;
1070        else
1071                wsa881x->port_prepared[prepare_ch->num - 1] = false;
1072
1073        return 0;
1074}
1075
1076static int wsa881x_bus_config(struct sdw_slave *slave,
1077                              struct sdw_bus_params *params)
1078{
1079        sdw_write(slave, SWRS_SCP_HOST_CLK_DIV2_CTL_BANK(params->next_bank),
1080                  0x01);
1081
1082        return 0;
1083}
1084
1085static struct sdw_slave_ops wsa881x_slave_ops = {
1086        .update_status = wsa881x_update_status,
1087        .bus_config = wsa881x_bus_config,
1088        .port_prep = wsa881x_port_prep,
1089};
1090
1091static int wsa881x_probe(struct sdw_slave *pdev,
1092                         const struct sdw_device_id *id)
1093{
1094        struct wsa881x_priv *wsa881x;
1095
1096        wsa881x = devm_kzalloc(&pdev->dev, sizeof(*wsa881x), GFP_KERNEL);
1097        if (!wsa881x)
1098                return -ENOMEM;
1099
1100        wsa881x->sd_n = devm_gpiod_get_optional(&pdev->dev, "powerdown",
1101                                                GPIOD_FLAGS_BIT_NONEXCLUSIVE);
1102        if (IS_ERR(wsa881x->sd_n)) {
1103                dev_err(&pdev->dev, "Shutdown Control GPIO not found\n");
1104                return PTR_ERR(wsa881x->sd_n);
1105        }
1106
1107        dev_set_drvdata(&pdev->dev, wsa881x);
1108        wsa881x->slave = pdev;
1109        wsa881x->dev = &pdev->dev;
1110        wsa881x->sconfig.ch_count = 1;
1111        wsa881x->sconfig.bps = 1;
1112        wsa881x->sconfig.frame_rate = 48000;
1113        wsa881x->sconfig.direction = SDW_DATA_DIR_RX;
1114        wsa881x->sconfig.type = SDW_STREAM_PDM;
1115        pdev->prop.sink_ports = GENMASK(WSA881X_MAX_SWR_PORTS, 0);
1116        pdev->prop.sink_dpn_prop = wsa_sink_dpn_prop;
1117        pdev->prop.scp_int1_mask = SDW_SCP_INT1_BUS_CLASH | SDW_SCP_INT1_PARITY;
1118        gpiod_direction_output(wsa881x->sd_n, 1);
1119
1120        wsa881x->regmap = devm_regmap_init_sdw(pdev, &wsa881x_regmap_config);
1121        if (IS_ERR(wsa881x->regmap)) {
1122                dev_err(&pdev->dev, "regmap_init failed\n");
1123                return PTR_ERR(wsa881x->regmap);
1124        }
1125
1126        return devm_snd_soc_register_component(&pdev->dev,
1127                                               &wsa881x_component_drv,
1128                                               wsa881x_dais,
1129                                               ARRAY_SIZE(wsa881x_dais));
1130}
1131
1132static const struct sdw_device_id wsa881x_slave_id[] = {
1133        SDW_SLAVE_ENTRY(0x0217, 0x2010, 0),
1134        SDW_SLAVE_ENTRY(0x0217, 0x2110, 0),
1135        {},
1136};
1137MODULE_DEVICE_TABLE(sdw, wsa881x_slave_id);
1138
1139static struct sdw_driver wsa881x_codec_driver = {
1140        .probe  = wsa881x_probe,
1141        .ops = &wsa881x_slave_ops,
1142        .id_table = wsa881x_slave_id,
1143        .driver = {
1144                .name   = "wsa881x-codec",
1145        }
1146};
1147module_sdw_driver(wsa881x_codec_driver);
1148
1149MODULE_DESCRIPTION("WSA881x codec driver");
1150MODULE_LICENSE("GPL v2");
1151