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/pm_runtime.h> 15 #include <linux/soundwire/sdw.h> 16 #include <linux/soundwire/sdw_registers.h> 17 #include <linux/soundwire/sdw_type.h> 18 #include <sound/soc.h> 19 #include <sound/tlv.h> 20 21 #define WSA881X_DIGITAL_BASE 0x3000 22 #define WSA881X_ANALOG_BASE 0x3100 23 24 /* Digital register address space */ 25 #define WSA881X_CHIP_ID0 (WSA881X_DIGITAL_BASE + 0x0000) 26 #define WSA881X_CHIP_ID1 (WSA881X_DIGITAL_BASE + 0x0001) 27 #define WSA881X_CHIP_ID2 (WSA881X_DIGITAL_BASE + 0x0002) 28 #define WSA881X_CHIP_ID3 (WSA881X_DIGITAL_BASE + 0x0003) 29 #define WSA881X_BUS_ID (WSA881X_DIGITAL_BASE + 0x0004) 30 #define WSA881X_CDC_RST_CTL (WSA881X_DIGITAL_BASE + 0x0005) 31 #define WSA881X_CDC_TOP_CLK_CTL (WSA881X_DIGITAL_BASE + 0x0006) 32 #define WSA881X_CDC_ANA_CLK_CTL (WSA881X_DIGITAL_BASE + 0x0007) 33 #define WSA881X_CDC_DIG_CLK_CTL (WSA881X_DIGITAL_BASE + 0x0008) 34 #define WSA881X_CLOCK_CONFIG (WSA881X_DIGITAL_BASE + 0x0009) 35 #define WSA881X_ANA_CTL (WSA881X_DIGITAL_BASE + 0x000A) 36 #define WSA881X_SWR_RESET_EN (WSA881X_DIGITAL_BASE + 0x000B) 37 #define WSA881X_RESET_CTL (WSA881X_DIGITAL_BASE + 0x000C) 38 #define WSA881X_TADC_VALUE_CTL (WSA881X_DIGITAL_BASE + 0x000F) 39 #define WSA881X_TEMP_DETECT_CTL (WSA881X_DIGITAL_BASE + 0x0010) 40 #define WSA881X_TEMP_MSB (WSA881X_DIGITAL_BASE + 0x0011) 41 #define WSA881X_TEMP_LSB (WSA881X_DIGITAL_BASE + 0x0012) 42 #define WSA881X_TEMP_CONFIG0 (WSA881X_DIGITAL_BASE + 0x0013) 43 #define WSA881X_TEMP_CONFIG1 (WSA881X_DIGITAL_BASE + 0x0014) 44 #define WSA881X_CDC_CLIP_CTL (WSA881X_DIGITAL_BASE + 0x0015) 45 #define WSA881X_SDM_PDM9_LSB (WSA881X_DIGITAL_BASE + 0x0016) 46 #define WSA881X_SDM_PDM9_MSB (WSA881X_DIGITAL_BASE + 0x0017) 47 #define WSA881X_CDC_RX_CTL (WSA881X_DIGITAL_BASE + 0x0018) 48 #define WSA881X_DEM_BYPASS_DATA0 (WSA881X_DIGITAL_BASE + 0x0019) 49 #define WSA881X_DEM_BYPASS_DATA1 (WSA881X_DIGITAL_BASE + 0x001A) 50 #define WSA881X_DEM_BYPASS_DATA2 (WSA881X_DIGITAL_BASE + 0x001B) 51 #define WSA881X_DEM_BYPASS_DATA3 (WSA881X_DIGITAL_BASE + 0x001C) 52 #define WSA881X_OTP_CTRL0 (WSA881X_DIGITAL_BASE + 0x001D) 53 #define WSA881X_OTP_CTRL1 (WSA881X_DIGITAL_BASE + 0x001E) 54 #define WSA881X_HDRIVE_CTL_GROUP1 (WSA881X_DIGITAL_BASE + 0x001F) 55 #define WSA881X_INTR_MODE (WSA881X_DIGITAL_BASE + 0x0020) 56 #define WSA881X_INTR_MASK (WSA881X_DIGITAL_BASE + 0x0021) 57 #define WSA881X_INTR_STATUS (WSA881X_DIGITAL_BASE + 0x0022) 58 #define WSA881X_INTR_CLEAR (WSA881X_DIGITAL_BASE + 0x0023) 59 #define WSA881X_INTR_LEVEL (WSA881X_DIGITAL_BASE + 0x0024) 60 #define WSA881X_INTR_SET (WSA881X_DIGITAL_BASE + 0x0025) 61 #define WSA881X_INTR_TEST (WSA881X_DIGITAL_BASE + 0x0026) 62 #define WSA881X_PDM_TEST_MODE (WSA881X_DIGITAL_BASE + 0x0030) 63 #define WSA881X_ATE_TEST_MODE (WSA881X_DIGITAL_BASE + 0x0031) 64 #define WSA881X_PIN_CTL_MODE (WSA881X_DIGITAL_BASE + 0x0032) 65 #define WSA881X_PIN_CTL_OE (WSA881X_DIGITAL_BASE + 0x0033) 66 #define WSA881X_PIN_WDATA_IOPAD (WSA881X_DIGITAL_BASE + 0x0034) 67 #define WSA881X_PIN_STATUS (WSA881X_DIGITAL_BASE + 0x0035) 68 #define WSA881X_DIG_DEBUG_MODE (WSA881X_DIGITAL_BASE + 0x0037) 69 #define WSA881X_DIG_DEBUG_SEL (WSA881X_DIGITAL_BASE + 0x0038) 70 #define WSA881X_DIG_DEBUG_EN (WSA881X_DIGITAL_BASE + 0x0039) 71 #define WSA881X_SWR_HM_TEST1 (WSA881X_DIGITAL_BASE + 0x003B) 72 #define WSA881X_SWR_HM_TEST2 (WSA881X_DIGITAL_BASE + 0x003C) 73 #define WSA881X_TEMP_DETECT_DBG_CTL (WSA881X_DIGITAL_BASE + 0x003D) 74 #define WSA881X_TEMP_DEBUG_MSB (WSA881X_DIGITAL_BASE + 0x003E) 75 #define WSA881X_TEMP_DEBUG_LSB (WSA881X_DIGITAL_BASE + 0x003F) 76 #define WSA881X_SAMPLE_EDGE_SEL (WSA881X_DIGITAL_BASE + 0x0044) 77 #define WSA881X_IOPAD_CTL (WSA881X_DIGITAL_BASE + 0x0045) 78 #define WSA881X_SPARE_0 (WSA881X_DIGITAL_BASE + 0x0050) 79 #define WSA881X_SPARE_1 (WSA881X_DIGITAL_BASE + 0x0051) 80 #define WSA881X_SPARE_2 (WSA881X_DIGITAL_BASE + 0x0052) 81 #define WSA881X_OTP_REG_0 (WSA881X_DIGITAL_BASE + 0x0080) 82 #define WSA881X_OTP_REG_1 (WSA881X_DIGITAL_BASE + 0x0081) 83 #define WSA881X_OTP_REG_2 (WSA881X_DIGITAL_BASE + 0x0082) 84 #define WSA881X_OTP_REG_3 (WSA881X_DIGITAL_BASE + 0x0083) 85 #define WSA881X_OTP_REG_4 (WSA881X_DIGITAL_BASE + 0x0084) 86 #define WSA881X_OTP_REG_5 (WSA881X_DIGITAL_BASE + 0x0085) 87 #define WSA881X_OTP_REG_6 (WSA881X_DIGITAL_BASE + 0x0086) 88 #define WSA881X_OTP_REG_7 (WSA881X_DIGITAL_BASE + 0x0087) 89 #define WSA881X_OTP_REG_8 (WSA881X_DIGITAL_BASE + 0x0088) 90 #define WSA881X_OTP_REG_9 (WSA881X_DIGITAL_BASE + 0x0089) 91 #define WSA881X_OTP_REG_10 (WSA881X_DIGITAL_BASE + 0x008A) 92 #define WSA881X_OTP_REG_11 (WSA881X_DIGITAL_BASE + 0x008B) 93 #define WSA881X_OTP_REG_12 (WSA881X_DIGITAL_BASE + 0x008C) 94 #define WSA881X_OTP_REG_13 (WSA881X_DIGITAL_BASE + 0x008D) 95 #define WSA881X_OTP_REG_14 (WSA881X_DIGITAL_BASE + 0x008E) 96 #define WSA881X_OTP_REG_15 (WSA881X_DIGITAL_BASE + 0x008F) 97 #define WSA881X_OTP_REG_16 (WSA881X_DIGITAL_BASE + 0x0090) 98 #define WSA881X_OTP_REG_17 (WSA881X_DIGITAL_BASE + 0x0091) 99 #define WSA881X_OTP_REG_18 (WSA881X_DIGITAL_BASE + 0x0092) 100 #define WSA881X_OTP_REG_19 (WSA881X_DIGITAL_BASE + 0x0093) 101 #define WSA881X_OTP_REG_20 (WSA881X_DIGITAL_BASE + 0x0094) 102 #define WSA881X_OTP_REG_21 (WSA881X_DIGITAL_BASE + 0x0095) 103 #define WSA881X_OTP_REG_22 (WSA881X_DIGITAL_BASE + 0x0096) 104 #define WSA881X_OTP_REG_23 (WSA881X_DIGITAL_BASE + 0x0097) 105 #define WSA881X_OTP_REG_24 (WSA881X_DIGITAL_BASE + 0x0098) 106 #define WSA881X_OTP_REG_25 (WSA881X_DIGITAL_BASE + 0x0099) 107 #define WSA881X_OTP_REG_26 (WSA881X_DIGITAL_BASE + 0x009A) 108 #define WSA881X_OTP_REG_27 (WSA881X_DIGITAL_BASE + 0x009B) 109 #define WSA881X_OTP_REG_28 (WSA881X_DIGITAL_BASE + 0x009C) 110 #define WSA881X_OTP_REG_29 (WSA881X_DIGITAL_BASE + 0x009D) 111 #define WSA881X_OTP_REG_30 (WSA881X_DIGITAL_BASE + 0x009E) 112 #define WSA881X_OTP_REG_31 (WSA881X_DIGITAL_BASE + 0x009F) 113 #define WSA881X_OTP_REG_63 (WSA881X_DIGITAL_BASE + 0x00BF) 114 115 /* Analog Register address space */ 116 #define WSA881X_BIAS_REF_CTRL (WSA881X_ANALOG_BASE + 0x0000) 117 #define WSA881X_BIAS_TEST (WSA881X_ANALOG_BASE + 0x0001) 118 #define WSA881X_BIAS_BIAS (WSA881X_ANALOG_BASE + 0x0002) 119 #define WSA881X_TEMP_OP (WSA881X_ANALOG_BASE + 0x0003) 120 #define WSA881X_TEMP_IREF_CTRL (WSA881X_ANALOG_BASE + 0x0004) 121 #define WSA881X_TEMP_ISENS_CTRL (WSA881X_ANALOG_BASE + 0x0005) 122 #define WSA881X_TEMP_CLK_CTRL (WSA881X_ANALOG_BASE + 0x0006) 123 #define WSA881X_TEMP_TEST (WSA881X_ANALOG_BASE + 0x0007) 124 #define WSA881X_TEMP_BIAS (WSA881X_ANALOG_BASE + 0x0008) 125 #define WSA881X_TEMP_ADC_CTRL (WSA881X_ANALOG_BASE + 0x0009) 126 #define WSA881X_TEMP_DOUT_MSB (WSA881X_ANALOG_BASE + 0x000A) 127 #define WSA881X_TEMP_DOUT_LSB (WSA881X_ANALOG_BASE + 0x000B) 128 #define WSA881X_ADC_EN_MODU_V (WSA881X_ANALOG_BASE + 0x0010) 129 #define WSA881X_ADC_EN_MODU_I (WSA881X_ANALOG_BASE + 0x0011) 130 #define WSA881X_ADC_EN_DET_TEST_V (WSA881X_ANALOG_BASE + 0x0012) 131 #define WSA881X_ADC_EN_DET_TEST_I (WSA881X_ANALOG_BASE + 0x0013) 132 #define WSA881X_ADC_SEL_IBIAS (WSA881X_ANALOG_BASE + 0x0014) 133 #define WSA881X_ADC_EN_SEL_IBAIS (WSA881X_ANALOG_BASE + 0x0015) 134 #define WSA881X_SPKR_DRV_EN (WSA881X_ANALOG_BASE + 0x001A) 135 #define WSA881X_SPKR_DRV_GAIN (WSA881X_ANALOG_BASE + 0x001B) 136 #define WSA881X_PA_GAIN_SEL_MASK BIT(3) 137 #define WSA881X_PA_GAIN_SEL_REG BIT(3) 138 #define WSA881X_PA_GAIN_SEL_DRE 0 139 #define WSA881X_SPKR_PAG_GAIN_MASK GENMASK(7, 4) 140 #define WSA881X_SPKR_DAC_CTL (WSA881X_ANALOG_BASE + 0x001C) 141 #define WSA881X_SPKR_DRV_DBG (WSA881X_ANALOG_BASE + 0x001D) 142 #define WSA881X_SPKR_PWRSTG_DBG (WSA881X_ANALOG_BASE + 0x001E) 143 #define WSA881X_SPKR_OCP_CTL (WSA881X_ANALOG_BASE + 0x001F) 144 #define WSA881X_SPKR_OCP_MASK GENMASK(7, 6) 145 #define WSA881X_SPKR_OCP_EN BIT(7) 146 #define WSA881X_SPKR_OCP_HOLD BIT(6) 147 #define WSA881X_SPKR_CLIP_CTL (WSA881X_ANALOG_BASE + 0x0020) 148 #define WSA881X_SPKR_BBM_CTL (WSA881X_ANALOG_BASE + 0x0021) 149 #define WSA881X_SPKR_MISC_CTL1 (WSA881X_ANALOG_BASE + 0x0022) 150 #define WSA881X_SPKR_MISC_CTL2 (WSA881X_ANALOG_BASE + 0x0023) 151 #define WSA881X_SPKR_BIAS_INT (WSA881X_ANALOG_BASE + 0x0024) 152 #define WSA881X_SPKR_PA_INT (WSA881X_ANALOG_BASE + 0x0025) 153 #define WSA881X_SPKR_BIAS_CAL (WSA881X_ANALOG_BASE + 0x0026) 154 #define WSA881X_SPKR_BIAS_PSRR (WSA881X_ANALOG_BASE + 0x0027) 155 #define WSA881X_SPKR_STATUS1 (WSA881X_ANALOG_BASE + 0x0028) 156 #define WSA881X_SPKR_STATUS2 (WSA881X_ANALOG_BASE + 0x0029) 157 #define WSA881X_BOOST_EN_CTL (WSA881X_ANALOG_BASE + 0x002A) 158 #define WSA881X_BOOST_EN_MASK BIT(7) 159 #define WSA881X_BOOST_EN BIT(7) 160 #define WSA881X_BOOST_CURRENT_LIMIT (WSA881X_ANALOG_BASE + 0x002B) 161 #define WSA881X_BOOST_PS_CTL (WSA881X_ANALOG_BASE + 0x002C) 162 #define WSA881X_BOOST_PRESET_OUT1 (WSA881X_ANALOG_BASE + 0x002D) 163 #define WSA881X_BOOST_PRESET_OUT2 (WSA881X_ANALOG_BASE + 0x002E) 164 #define WSA881X_BOOST_FORCE_OUT (WSA881X_ANALOG_BASE + 0x002F) 165 #define WSA881X_BOOST_LDO_PROG (WSA881X_ANALOG_BASE + 0x0030) 166 #define WSA881X_BOOST_SLOPE_COMP_ISENSE_FB (WSA881X_ANALOG_BASE + 0x0031) 167 #define WSA881X_BOOST_RON_CTL (WSA881X_ANALOG_BASE + 0x0032) 168 #define WSA881X_BOOST_LOOP_STABILITY (WSA881X_ANALOG_BASE + 0x0033) 169 #define WSA881X_BOOST_ZX_CTL (WSA881X_ANALOG_BASE + 0x0034) 170 #define WSA881X_BOOST_START_CTL (WSA881X_ANALOG_BASE + 0x0035) 171 #define WSA881X_BOOST_MISC1_CTL (WSA881X_ANALOG_BASE + 0x0036) 172 #define WSA881X_BOOST_MISC2_CTL (WSA881X_ANALOG_BASE + 0x0037) 173 #define WSA881X_BOOST_MISC3_CTL (WSA881X_ANALOG_BASE + 0x0038) 174 #define WSA881X_BOOST_ATEST_CTL (WSA881X_ANALOG_BASE + 0x0039) 175 #define WSA881X_SPKR_PROT_FE_GAIN (WSA881X_ANALOG_BASE + 0x003A) 176 #define WSA881X_SPKR_PROT_FE_CM_LDO_SET (WSA881X_ANALOG_BASE + 0x003B) 177 #define WSA881X_SPKR_PROT_FE_ISENSE_BIAS_SET1 (WSA881X_ANALOG_BASE + 0x003C) 178 #define WSA881X_SPKR_PROT_FE_ISENSE_BIAS_SET2 (WSA881X_ANALOG_BASE + 0x003D) 179 #define WSA881X_SPKR_PROT_ATEST1 (WSA881X_ANALOG_BASE + 0x003E) 180 #define WSA881X_SPKR_PROT_ATEST2 (WSA881X_ANALOG_BASE + 0x003F) 181 #define WSA881X_SPKR_PROT_FE_VSENSE_VCM (WSA881X_ANALOG_BASE + 0x0040) 182 #define WSA881X_SPKR_PROT_FE_VSENSE_BIAS_SET1 (WSA881X_ANALOG_BASE + 0x0041) 183 #define WSA881X_BONGO_RESRV_REG1 (WSA881X_ANALOG_BASE + 0x0042) 184 #define WSA881X_BONGO_RESRV_REG2 (WSA881X_ANALOG_BASE + 0x0043) 185 #define WSA881X_SPKR_PROT_SAR (WSA881X_ANALOG_BASE + 0x0044) 186 #define WSA881X_SPKR_STATUS3 (WSA881X_ANALOG_BASE + 0x0045) 187 188 #define SWRS_SCP_FRAME_CTRL_BANK(m) (0x60 + 0x10 * (m)) 189 #define SWRS_SCP_HOST_CLK_DIV2_CTL_BANK(m) (0xE0 + 0x10 * (m)) 190 #define SWR_SLV_MAX_REG_ADDR 0x390 191 #define SWR_SLV_START_REG_ADDR 0x40 192 #define SWR_SLV_MAX_BUF_LEN 20 193 #define BYTES_PER_LINE 12 194 #define SWR_SLV_RD_BUF_LEN 8 195 #define SWR_SLV_WR_BUF_LEN 32 196 #define SWR_SLV_MAX_DEVICES 2 197 #define WSA881X_MAX_SWR_PORTS 4 198 #define WSA881X_VERSION_ENTRY_SIZE 27 199 #define WSA881X_OCP_CTL_TIMER_SEC 2 200 #define WSA881X_OCP_CTL_TEMP_CELSIUS 25 201 #define WSA881X_OCP_CTL_POLL_TIMER_SEC 60 202 #define WSA881X_PROBE_TIMEOUT 1000 203 204 #define WSA881X_PA_GAIN_TLV(xname, reg, shift, max, invert, tlv_array) \ 205 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \ 206 .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ |\ 207 SNDRV_CTL_ELEM_ACCESS_READWRITE,\ 208 .tlv.p = (tlv_array), \ 209 .info = snd_soc_info_volsw, .get = snd_soc_get_volsw,\ 210 .put = wsa881x_put_pa_gain, \ 211 .private_value = SOC_SINGLE_VALUE(reg, shift, max, invert, 0) } 212 213 static struct reg_default wsa881x_defaults[] = { 214 { WSA881X_CHIP_ID0, 0x00 }, 215 { WSA881X_CHIP_ID1, 0x00 }, 216 { WSA881X_CHIP_ID2, 0x00 }, 217 { WSA881X_CHIP_ID3, 0x02 }, 218 { WSA881X_BUS_ID, 0x00 }, 219 { WSA881X_CDC_RST_CTL, 0x00 }, 220 { WSA881X_CDC_TOP_CLK_CTL, 0x03 }, 221 { WSA881X_CDC_ANA_CLK_CTL, 0x00 }, 222 { WSA881X_CDC_DIG_CLK_CTL, 0x00 }, 223 { WSA881X_CLOCK_CONFIG, 0x00 }, 224 { WSA881X_ANA_CTL, 0x08 }, 225 { WSA881X_SWR_RESET_EN, 0x00 }, 226 { WSA881X_TEMP_DETECT_CTL, 0x01 }, 227 { WSA881X_TEMP_MSB, 0x00 }, 228 { WSA881X_TEMP_LSB, 0x00 }, 229 { WSA881X_TEMP_CONFIG0, 0x00 }, 230 { WSA881X_TEMP_CONFIG1, 0x00 }, 231 { WSA881X_CDC_CLIP_CTL, 0x03 }, 232 { WSA881X_SDM_PDM9_LSB, 0x00 }, 233 { WSA881X_SDM_PDM9_MSB, 0x00 }, 234 { WSA881X_CDC_RX_CTL, 0x7E }, 235 { WSA881X_DEM_BYPASS_DATA0, 0x00 }, 236 { WSA881X_DEM_BYPASS_DATA1, 0x00 }, 237 { WSA881X_DEM_BYPASS_DATA2, 0x00 }, 238 { WSA881X_DEM_BYPASS_DATA3, 0x00 }, 239 { WSA881X_OTP_CTRL0, 0x00 }, 240 { WSA881X_OTP_CTRL1, 0x00 }, 241 { WSA881X_HDRIVE_CTL_GROUP1, 0x00 }, 242 { WSA881X_INTR_MODE, 0x00 }, 243 { WSA881X_INTR_STATUS, 0x00 }, 244 { WSA881X_INTR_CLEAR, 0x00 }, 245 { WSA881X_INTR_LEVEL, 0x00 }, 246 { WSA881X_INTR_SET, 0x00 }, 247 { WSA881X_INTR_TEST, 0x00 }, 248 { WSA881X_PDM_TEST_MODE, 0x00 }, 249 { WSA881X_ATE_TEST_MODE, 0x00 }, 250 { WSA881X_PIN_CTL_MODE, 0x00 }, 251 { WSA881X_PIN_CTL_OE, 0x00 }, 252 { WSA881X_PIN_WDATA_IOPAD, 0x00 }, 253 { WSA881X_PIN_STATUS, 0x00 }, 254 { WSA881X_DIG_DEBUG_MODE, 0x00 }, 255 { WSA881X_DIG_DEBUG_SEL, 0x00 }, 256 { WSA881X_DIG_DEBUG_EN, 0x00 }, 257 { WSA881X_SWR_HM_TEST1, 0x08 }, 258 { WSA881X_SWR_HM_TEST2, 0x00 }, 259 { WSA881X_TEMP_DETECT_DBG_CTL, 0x00 }, 260 { WSA881X_TEMP_DEBUG_MSB, 0x00 }, 261 { WSA881X_TEMP_DEBUG_LSB, 0x00 }, 262 { WSA881X_SAMPLE_EDGE_SEL, 0x0C }, 263 { WSA881X_SPARE_0, 0x00 }, 264 { WSA881X_SPARE_1, 0x00 }, 265 { WSA881X_SPARE_2, 0x00 }, 266 { WSA881X_OTP_REG_0, 0x01 }, 267 { WSA881X_OTP_REG_1, 0xFF }, 268 { WSA881X_OTP_REG_2, 0xC0 }, 269 { WSA881X_OTP_REG_3, 0xFF }, 270 { WSA881X_OTP_REG_4, 0xC0 }, 271 { WSA881X_OTP_REG_5, 0xFF }, 272 { WSA881X_OTP_REG_6, 0xFF }, 273 { WSA881X_OTP_REG_7, 0xFF }, 274 { WSA881X_OTP_REG_8, 0xFF }, 275 { WSA881X_OTP_REG_9, 0xFF }, 276 { WSA881X_OTP_REG_10, 0xFF }, 277 { WSA881X_OTP_REG_11, 0xFF }, 278 { WSA881X_OTP_REG_12, 0xFF }, 279 { WSA881X_OTP_REG_13, 0xFF }, 280 { WSA881X_OTP_REG_14, 0xFF }, 281 { WSA881X_OTP_REG_15, 0xFF }, 282 { WSA881X_OTP_REG_16, 0xFF }, 283 { WSA881X_OTP_REG_17, 0xFF }, 284 { WSA881X_OTP_REG_18, 0xFF }, 285 { WSA881X_OTP_REG_19, 0xFF }, 286 { WSA881X_OTP_REG_20, 0xFF }, 287 { WSA881X_OTP_REG_21, 0xFF }, 288 { WSA881X_OTP_REG_22, 0xFF }, 289 { WSA881X_OTP_REG_23, 0xFF }, 290 { WSA881X_OTP_REG_24, 0x03 }, 291 { WSA881X_OTP_REG_25, 0x01 }, 292 { WSA881X_OTP_REG_26, 0x03 }, 293 { WSA881X_OTP_REG_27, 0x11 }, 294 { WSA881X_OTP_REG_63, 0x40 }, 295 /* WSA881x Analog registers */ 296 { WSA881X_BIAS_REF_CTRL, 0x6C }, 297 { WSA881X_BIAS_TEST, 0x16 }, 298 { WSA881X_BIAS_BIAS, 0xF0 }, 299 { WSA881X_TEMP_OP, 0x00 }, 300 { WSA881X_TEMP_IREF_CTRL, 0x56 }, 301 { WSA881X_TEMP_ISENS_CTRL, 0x47 }, 302 { WSA881X_TEMP_CLK_CTRL, 0x87 }, 303 { WSA881X_TEMP_TEST, 0x00 }, 304 { WSA881X_TEMP_BIAS, 0x51 }, 305 { WSA881X_TEMP_DOUT_MSB, 0x00 }, 306 { WSA881X_TEMP_DOUT_LSB, 0x00 }, 307 { WSA881X_ADC_EN_MODU_V, 0x00 }, 308 { WSA881X_ADC_EN_MODU_I, 0x00 }, 309 { WSA881X_ADC_EN_DET_TEST_V, 0x00 }, 310 { WSA881X_ADC_EN_DET_TEST_I, 0x00 }, 311 { WSA881X_ADC_EN_SEL_IBAIS, 0x10 }, 312 { WSA881X_SPKR_DRV_EN, 0x74 }, 313 { WSA881X_SPKR_DRV_DBG, 0x15 }, 314 { WSA881X_SPKR_PWRSTG_DBG, 0x00 }, 315 { WSA881X_SPKR_OCP_CTL, 0xD4 }, 316 { WSA881X_SPKR_CLIP_CTL, 0x90 }, 317 { WSA881X_SPKR_PA_INT, 0x54 }, 318 { WSA881X_SPKR_BIAS_CAL, 0xAC }, 319 { WSA881X_SPKR_STATUS1, 0x00 }, 320 { WSA881X_SPKR_STATUS2, 0x00 }, 321 { WSA881X_BOOST_EN_CTL, 0x18 }, 322 { WSA881X_BOOST_CURRENT_LIMIT, 0x7A }, 323 { WSA881X_BOOST_PRESET_OUT2, 0x70 }, 324 { WSA881X_BOOST_FORCE_OUT, 0x0E }, 325 { WSA881X_BOOST_LDO_PROG, 0x16 }, 326 { WSA881X_BOOST_SLOPE_COMP_ISENSE_FB, 0x71 }, 327 { WSA881X_BOOST_RON_CTL, 0x0F }, 328 { WSA881X_BOOST_ZX_CTL, 0x34 }, 329 { WSA881X_BOOST_START_CTL, 0x23 }, 330 { WSA881X_BOOST_MISC1_CTL, 0x80 }, 331 { WSA881X_BOOST_MISC2_CTL, 0x00 }, 332 { WSA881X_BOOST_MISC3_CTL, 0x00 }, 333 { WSA881X_BOOST_ATEST_CTL, 0x00 }, 334 { WSA881X_SPKR_PROT_FE_GAIN, 0x46 }, 335 { WSA881X_SPKR_PROT_FE_CM_LDO_SET, 0x3B }, 336 { WSA881X_SPKR_PROT_FE_ISENSE_BIAS_SET1, 0x8D }, 337 { WSA881X_SPKR_PROT_FE_ISENSE_BIAS_SET2, 0x8D }, 338 { WSA881X_SPKR_PROT_ATEST1, 0x01 }, 339 { WSA881X_SPKR_PROT_FE_VSENSE_VCM, 0x8D }, 340 { WSA881X_SPKR_PROT_FE_VSENSE_BIAS_SET1, 0x4D }, 341 { WSA881X_SPKR_PROT_SAR, 0x00 }, 342 { WSA881X_SPKR_STATUS3, 0x00 }, 343 }; 344 345 static const struct reg_sequence wsa881x_pre_pmu_pa_2_0[] = { 346 { WSA881X_SPKR_DRV_GAIN, 0x41, 0 }, 347 { WSA881X_SPKR_MISC_CTL1, 0x87, 0 }, 348 }; 349 350 static const struct reg_sequence wsa881x_vi_txfe_en_2_0[] = { 351 { WSA881X_SPKR_PROT_FE_VSENSE_VCM, 0x85, 0 }, 352 { WSA881X_SPKR_PROT_ATEST2, 0x0A, 0 }, 353 { WSA881X_SPKR_PROT_FE_GAIN, 0x47, 0 }, 354 }; 355 356 /* Default register reset values for WSA881x rev 2.0 */ 357 static struct reg_sequence wsa881x_rev_2_0[] = { 358 { WSA881X_RESET_CTL, 0x00, 0x00 }, 359 { WSA881X_TADC_VALUE_CTL, 0x01, 0x00 }, 360 { WSA881X_INTR_MASK, 0x1B, 0x00 }, 361 { WSA881X_IOPAD_CTL, 0x00, 0x00 }, 362 { WSA881X_OTP_REG_28, 0x3F, 0x00 }, 363 { WSA881X_OTP_REG_29, 0x3F, 0x00 }, 364 { WSA881X_OTP_REG_30, 0x01, 0x00 }, 365 { WSA881X_OTP_REG_31, 0x01, 0x00 }, 366 { WSA881X_TEMP_ADC_CTRL, 0x03, 0x00 }, 367 { WSA881X_ADC_SEL_IBIAS, 0x45, 0x00 }, 368 { WSA881X_SPKR_DRV_GAIN, 0xC1, 0x00 }, 369 { WSA881X_SPKR_DAC_CTL, 0x42, 0x00 }, 370 { WSA881X_SPKR_BBM_CTL, 0x02, 0x00 }, 371 { WSA881X_SPKR_MISC_CTL1, 0x40, 0x00 }, 372 { WSA881X_SPKR_MISC_CTL2, 0x07, 0x00 }, 373 { WSA881X_SPKR_BIAS_INT, 0x5F, 0x00 }, 374 { WSA881X_SPKR_BIAS_PSRR, 0x44, 0x00 }, 375 { WSA881X_BOOST_PS_CTL, 0xA0, 0x00 }, 376 { WSA881X_BOOST_PRESET_OUT1, 0xB7, 0x00 }, 377 { WSA881X_BOOST_LOOP_STABILITY, 0x8D, 0x00 }, 378 { WSA881X_SPKR_PROT_ATEST2, 0x02, 0x00 }, 379 { WSA881X_BONGO_RESRV_REG1, 0x5E, 0x00 }, 380 { WSA881X_BONGO_RESRV_REG2, 0x07, 0x00 }, 381 }; 382 383 enum wsa_port_ids { 384 WSA881X_PORT_DAC, 385 WSA881X_PORT_COMP, 386 WSA881X_PORT_BOOST, 387 WSA881X_PORT_VISENSE, 388 }; 389 390 /* 4 ports */ 391 static struct sdw_dpn_prop wsa_sink_dpn_prop[WSA881X_MAX_SWR_PORTS] = { 392 { 393 /* DAC */ 394 .num = 1, 395 .type = SDW_DPN_SIMPLE, 396 .min_ch = 1, 397 .max_ch = 1, 398 .simple_ch_prep_sm = true, 399 .read_only_wordlength = true, 400 }, { 401 /* COMP */ 402 .num = 2, 403 .type = SDW_DPN_SIMPLE, 404 .min_ch = 1, 405 .max_ch = 1, 406 .simple_ch_prep_sm = true, 407 .read_only_wordlength = true, 408 }, { 409 /* BOOST */ 410 .num = 3, 411 .type = SDW_DPN_SIMPLE, 412 .min_ch = 1, 413 .max_ch = 1, 414 .simple_ch_prep_sm = true, 415 .read_only_wordlength = true, 416 }, { 417 /* VISENSE */ 418 .num = 4, 419 .type = SDW_DPN_SIMPLE, 420 .min_ch = 1, 421 .max_ch = 1, 422 .simple_ch_prep_sm = true, 423 .read_only_wordlength = true, 424 } 425 }; 426 427 static struct sdw_port_config wsa881x_pconfig[WSA881X_MAX_SWR_PORTS] = { 428 { 429 .num = 1, 430 .ch_mask = 0x1, 431 }, { 432 .num = 2, 433 .ch_mask = 0xf, 434 }, { 435 .num = 3, 436 .ch_mask = 0x3, 437 }, { /* IV feedback */ 438 .num = 4, 439 .ch_mask = 0x3, 440 }, 441 }; 442 443 static bool wsa881x_readable_register(struct device *dev, unsigned int reg) 444 { 445 switch (reg) { 446 case WSA881X_CHIP_ID0: 447 case WSA881X_CHIP_ID1: 448 case WSA881X_CHIP_ID2: 449 case WSA881X_CHIP_ID3: 450 case WSA881X_BUS_ID: 451 case WSA881X_CDC_RST_CTL: 452 case WSA881X_CDC_TOP_CLK_CTL: 453 case WSA881X_CDC_ANA_CLK_CTL: 454 case WSA881X_CDC_DIG_CLK_CTL: 455 case WSA881X_CLOCK_CONFIG: 456 case WSA881X_ANA_CTL: 457 case WSA881X_SWR_RESET_EN: 458 case WSA881X_RESET_CTL: 459 case WSA881X_TADC_VALUE_CTL: 460 case WSA881X_TEMP_DETECT_CTL: 461 case WSA881X_TEMP_MSB: 462 case WSA881X_TEMP_LSB: 463 case WSA881X_TEMP_CONFIG0: 464 case WSA881X_TEMP_CONFIG1: 465 case WSA881X_CDC_CLIP_CTL: 466 case WSA881X_SDM_PDM9_LSB: 467 case WSA881X_SDM_PDM9_MSB: 468 case WSA881X_CDC_RX_CTL: 469 case WSA881X_DEM_BYPASS_DATA0: 470 case WSA881X_DEM_BYPASS_DATA1: 471 case WSA881X_DEM_BYPASS_DATA2: 472 case WSA881X_DEM_BYPASS_DATA3: 473 case WSA881X_OTP_CTRL0: 474 case WSA881X_OTP_CTRL1: 475 case WSA881X_HDRIVE_CTL_GROUP1: 476 case WSA881X_INTR_MODE: 477 case WSA881X_INTR_MASK: 478 case WSA881X_INTR_STATUS: 479 case WSA881X_INTR_CLEAR: 480 case WSA881X_INTR_LEVEL: 481 case WSA881X_INTR_SET: 482 case WSA881X_INTR_TEST: 483 case WSA881X_PDM_TEST_MODE: 484 case WSA881X_ATE_TEST_MODE: 485 case WSA881X_PIN_CTL_MODE: 486 case WSA881X_PIN_CTL_OE: 487 case WSA881X_PIN_WDATA_IOPAD: 488 case WSA881X_PIN_STATUS: 489 case WSA881X_DIG_DEBUG_MODE: 490 case WSA881X_DIG_DEBUG_SEL: 491 case WSA881X_DIG_DEBUG_EN: 492 case WSA881X_SWR_HM_TEST1: 493 case WSA881X_SWR_HM_TEST2: 494 case WSA881X_TEMP_DETECT_DBG_CTL: 495 case WSA881X_TEMP_DEBUG_MSB: 496 case WSA881X_TEMP_DEBUG_LSB: 497 case WSA881X_SAMPLE_EDGE_SEL: 498 case WSA881X_IOPAD_CTL: 499 case WSA881X_SPARE_0: 500 case WSA881X_SPARE_1: 501 case WSA881X_SPARE_2: 502 case WSA881X_OTP_REG_0: 503 case WSA881X_OTP_REG_1: 504 case WSA881X_OTP_REG_2: 505 case WSA881X_OTP_REG_3: 506 case WSA881X_OTP_REG_4: 507 case WSA881X_OTP_REG_5: 508 case WSA881X_OTP_REG_6: 509 case WSA881X_OTP_REG_7: 510 case WSA881X_OTP_REG_8: 511 case WSA881X_OTP_REG_9: 512 case WSA881X_OTP_REG_10: 513 case WSA881X_OTP_REG_11: 514 case WSA881X_OTP_REG_12: 515 case WSA881X_OTP_REG_13: 516 case WSA881X_OTP_REG_14: 517 case WSA881X_OTP_REG_15: 518 case WSA881X_OTP_REG_16: 519 case WSA881X_OTP_REG_17: 520 case WSA881X_OTP_REG_18: 521 case WSA881X_OTP_REG_19: 522 case WSA881X_OTP_REG_20: 523 case WSA881X_OTP_REG_21: 524 case WSA881X_OTP_REG_22: 525 case WSA881X_OTP_REG_23: 526 case WSA881X_OTP_REG_24: 527 case WSA881X_OTP_REG_25: 528 case WSA881X_OTP_REG_26: 529 case WSA881X_OTP_REG_27: 530 case WSA881X_OTP_REG_28: 531 case WSA881X_OTP_REG_29: 532 case WSA881X_OTP_REG_30: 533 case WSA881X_OTP_REG_31: 534 case WSA881X_OTP_REG_63: 535 case WSA881X_BIAS_REF_CTRL: 536 case WSA881X_BIAS_TEST: 537 case WSA881X_BIAS_BIAS: 538 case WSA881X_TEMP_OP: 539 case WSA881X_TEMP_IREF_CTRL: 540 case WSA881X_TEMP_ISENS_CTRL: 541 case WSA881X_TEMP_CLK_CTRL: 542 case WSA881X_TEMP_TEST: 543 case WSA881X_TEMP_BIAS: 544 case WSA881X_TEMP_ADC_CTRL: 545 case WSA881X_TEMP_DOUT_MSB: 546 case WSA881X_TEMP_DOUT_LSB: 547 case WSA881X_ADC_EN_MODU_V: 548 case WSA881X_ADC_EN_MODU_I: 549 case WSA881X_ADC_EN_DET_TEST_V: 550 case WSA881X_ADC_EN_DET_TEST_I: 551 case WSA881X_ADC_SEL_IBIAS: 552 case WSA881X_ADC_EN_SEL_IBAIS: 553 case WSA881X_SPKR_DRV_EN: 554 case WSA881X_SPKR_DRV_GAIN: 555 case WSA881X_SPKR_DAC_CTL: 556 case WSA881X_SPKR_DRV_DBG: 557 case WSA881X_SPKR_PWRSTG_DBG: 558 case WSA881X_SPKR_OCP_CTL: 559 case WSA881X_SPKR_CLIP_CTL: 560 case WSA881X_SPKR_BBM_CTL: 561 case WSA881X_SPKR_MISC_CTL1: 562 case WSA881X_SPKR_MISC_CTL2: 563 case WSA881X_SPKR_BIAS_INT: 564 case WSA881X_SPKR_PA_INT: 565 case WSA881X_SPKR_BIAS_CAL: 566 case WSA881X_SPKR_BIAS_PSRR: 567 case WSA881X_SPKR_STATUS1: 568 case WSA881X_SPKR_STATUS2: 569 case WSA881X_BOOST_EN_CTL: 570 case WSA881X_BOOST_CURRENT_LIMIT: 571 case WSA881X_BOOST_PS_CTL: 572 case WSA881X_BOOST_PRESET_OUT1: 573 case WSA881X_BOOST_PRESET_OUT2: 574 case WSA881X_BOOST_FORCE_OUT: 575 case WSA881X_BOOST_LDO_PROG: 576 case WSA881X_BOOST_SLOPE_COMP_ISENSE_FB: 577 case WSA881X_BOOST_RON_CTL: 578 case WSA881X_BOOST_LOOP_STABILITY: 579 case WSA881X_BOOST_ZX_CTL: 580 case WSA881X_BOOST_START_CTL: 581 case WSA881X_BOOST_MISC1_CTL: 582 case WSA881X_BOOST_MISC2_CTL: 583 case WSA881X_BOOST_MISC3_CTL: 584 case WSA881X_BOOST_ATEST_CTL: 585 case WSA881X_SPKR_PROT_FE_GAIN: 586 case WSA881X_SPKR_PROT_FE_CM_LDO_SET: 587 case WSA881X_SPKR_PROT_FE_ISENSE_BIAS_SET1: 588 case WSA881X_SPKR_PROT_FE_ISENSE_BIAS_SET2: 589 case WSA881X_SPKR_PROT_ATEST1: 590 case WSA881X_SPKR_PROT_ATEST2: 591 case WSA881X_SPKR_PROT_FE_VSENSE_VCM: 592 case WSA881X_SPKR_PROT_FE_VSENSE_BIAS_SET1: 593 case WSA881X_BONGO_RESRV_REG1: 594 case WSA881X_BONGO_RESRV_REG2: 595 case WSA881X_SPKR_PROT_SAR: 596 case WSA881X_SPKR_STATUS3: 597 return true; 598 default: 599 return false; 600 } 601 } 602 603 static bool wsa881x_volatile_register(struct device *dev, unsigned int reg) 604 { 605 switch (reg) { 606 case WSA881X_CHIP_ID0: 607 case WSA881X_CHIP_ID1: 608 case WSA881X_CHIP_ID2: 609 case WSA881X_CHIP_ID3: 610 case WSA881X_BUS_ID: 611 case WSA881X_TEMP_MSB: 612 case WSA881X_TEMP_LSB: 613 case WSA881X_SDM_PDM9_LSB: 614 case WSA881X_SDM_PDM9_MSB: 615 case WSA881X_OTP_CTRL1: 616 case WSA881X_INTR_STATUS: 617 case WSA881X_ATE_TEST_MODE: 618 case WSA881X_PIN_STATUS: 619 case WSA881X_SWR_HM_TEST2: 620 case WSA881X_SPKR_STATUS1: 621 case WSA881X_SPKR_STATUS2: 622 case WSA881X_SPKR_STATUS3: 623 case WSA881X_OTP_REG_0: 624 case WSA881X_OTP_REG_1: 625 case WSA881X_OTP_REG_2: 626 case WSA881X_OTP_REG_3: 627 case WSA881X_OTP_REG_4: 628 case WSA881X_OTP_REG_5: 629 case WSA881X_OTP_REG_31: 630 case WSA881X_TEMP_DOUT_MSB: 631 case WSA881X_TEMP_DOUT_LSB: 632 case WSA881X_TEMP_OP: 633 case WSA881X_SPKR_PROT_SAR: 634 return true; 635 default: 636 return false; 637 } 638 } 639 640 static struct regmap_config wsa881x_regmap_config = { 641 .reg_bits = 32, 642 .val_bits = 8, 643 .cache_type = REGCACHE_RBTREE, 644 .reg_defaults = wsa881x_defaults, 645 .max_register = WSA881X_SPKR_STATUS3, 646 .num_reg_defaults = ARRAY_SIZE(wsa881x_defaults), 647 .volatile_reg = wsa881x_volatile_register, 648 .readable_reg = wsa881x_readable_register, 649 .reg_format_endian = REGMAP_ENDIAN_NATIVE, 650 .val_format_endian = REGMAP_ENDIAN_NATIVE, 651 .can_multi_write = true, 652 }; 653 654 enum { 655 G_18DB = 0, 656 G_16P5DB, 657 G_15DB, 658 G_13P5DB, 659 G_12DB, 660 G_10P5DB, 661 G_9DB, 662 G_7P5DB, 663 G_6DB, 664 G_4P5DB, 665 G_3DB, 666 G_1P5DB, 667 G_0DB, 668 }; 669 670 /* 671 * Private data Structure for wsa881x. All parameters related to 672 * WSA881X codec needs to be defined here. 673 */ 674 struct wsa881x_priv { 675 struct regmap *regmap; 676 struct device *dev; 677 struct sdw_slave *slave; 678 struct sdw_stream_config sconfig; 679 struct sdw_stream_runtime *sruntime; 680 struct sdw_port_config port_config[WSA881X_MAX_SWR_PORTS]; 681 struct gpio_desc *sd_n; 682 int version; 683 int active_ports; 684 bool port_prepared[WSA881X_MAX_SWR_PORTS]; 685 bool port_enable[WSA881X_MAX_SWR_PORTS]; 686 }; 687 688 static void wsa881x_init(struct wsa881x_priv *wsa881x) 689 { 690 struct regmap *rm = wsa881x->regmap; 691 unsigned int val = 0; 692 693 regmap_read(rm, WSA881X_CHIP_ID1, &wsa881x->version); 694 regmap_register_patch(wsa881x->regmap, wsa881x_rev_2_0, 695 ARRAY_SIZE(wsa881x_rev_2_0)); 696 697 /* Enable software reset output from soundwire slave */ 698 regmap_update_bits(rm, WSA881X_SWR_RESET_EN, 0x07, 0x07); 699 700 /* Bring out of analog reset */ 701 regmap_update_bits(rm, WSA881X_CDC_RST_CTL, 0x02, 0x02); 702 703 /* Bring out of digital reset */ 704 regmap_update_bits(rm, WSA881X_CDC_RST_CTL, 0x01, 0x01); 705 regmap_update_bits(rm, WSA881X_CLOCK_CONFIG, 0x10, 0x10); 706 regmap_update_bits(rm, WSA881X_SPKR_OCP_CTL, 0x02, 0x02); 707 regmap_update_bits(rm, WSA881X_SPKR_MISC_CTL1, 0xC0, 0x80); 708 regmap_update_bits(rm, WSA881X_SPKR_MISC_CTL1, 0x06, 0x06); 709 regmap_update_bits(rm, WSA881X_SPKR_BIAS_INT, 0xFF, 0x00); 710 regmap_update_bits(rm, WSA881X_SPKR_PA_INT, 0xF0, 0x40); 711 regmap_update_bits(rm, WSA881X_SPKR_PA_INT, 0x0E, 0x0E); 712 regmap_update_bits(rm, WSA881X_BOOST_LOOP_STABILITY, 0x03, 0x03); 713 regmap_update_bits(rm, WSA881X_BOOST_MISC2_CTL, 0xFF, 0x14); 714 regmap_update_bits(rm, WSA881X_BOOST_START_CTL, 0x80, 0x80); 715 regmap_update_bits(rm, WSA881X_BOOST_START_CTL, 0x03, 0x00); 716 regmap_update_bits(rm, WSA881X_BOOST_SLOPE_COMP_ISENSE_FB, 0x0C, 0x04); 717 regmap_update_bits(rm, WSA881X_BOOST_SLOPE_COMP_ISENSE_FB, 0x03, 0x00); 718 719 regmap_read(rm, WSA881X_OTP_REG_0, &val); 720 if (val) 721 regmap_update_bits(rm, WSA881X_BOOST_PRESET_OUT1, 0xF0, 0x70); 722 723 regmap_update_bits(rm, WSA881X_BOOST_PRESET_OUT2, 0xF0, 0x30); 724 regmap_update_bits(rm, WSA881X_SPKR_DRV_EN, 0x08, 0x08); 725 regmap_update_bits(rm, WSA881X_BOOST_CURRENT_LIMIT, 0x0F, 0x08); 726 regmap_update_bits(rm, WSA881X_SPKR_OCP_CTL, 0x30, 0x30); 727 regmap_update_bits(rm, WSA881X_SPKR_OCP_CTL, 0x0C, 0x00); 728 regmap_update_bits(rm, WSA881X_OTP_REG_28, 0x3F, 0x3A); 729 regmap_update_bits(rm, WSA881X_BONGO_RESRV_REG1, 0xFF, 0xB2); 730 regmap_update_bits(rm, WSA881X_BONGO_RESRV_REG2, 0xFF, 0x05); 731 } 732 733 static int wsa881x_component_probe(struct snd_soc_component *comp) 734 { 735 struct wsa881x_priv *wsa881x = snd_soc_component_get_drvdata(comp); 736 737 snd_soc_component_init_regmap(comp, wsa881x->regmap); 738 739 return 0; 740 } 741 742 static int wsa881x_put_pa_gain(struct snd_kcontrol *kc, 743 struct snd_ctl_elem_value *ucontrol) 744 { 745 struct snd_soc_component *comp = snd_soc_kcontrol_component(kc); 746 struct soc_mixer_control *mc = 747 (struct soc_mixer_control *)kc->private_value; 748 int max = mc->max; 749 unsigned int mask = (1 << fls(max)) - 1; 750 int val, ret, min_gain, max_gain; 751 752 ret = pm_runtime_resume_and_get(comp->dev); 753 if (ret < 0 && ret != -EACCES) 754 return ret; 755 756 max_gain = (max - ucontrol->value.integer.value[0]) & mask; 757 /* 758 * Gain has to set incrementally in 4 steps 759 * as per HW sequence 760 */ 761 if (max_gain > G_4P5DB) 762 min_gain = G_0DB; 763 else 764 min_gain = max_gain + 3; 765 /* 766 * 1ms delay is needed before change in gain 767 * as per HW requirement. 768 */ 769 usleep_range(1000, 1010); 770 771 for (val = min_gain; max_gain <= val; val--) { 772 ret = snd_soc_component_update_bits(comp, 773 WSA881X_SPKR_DRV_GAIN, 774 WSA881X_SPKR_PAG_GAIN_MASK, 775 val << 4); 776 if (ret < 0) 777 dev_err(comp->dev, "Failed to change PA gain"); 778 779 usleep_range(1000, 1010); 780 } 781 782 pm_runtime_mark_last_busy(comp->dev); 783 pm_runtime_put_autosuspend(comp->dev); 784 785 return 1; 786 } 787 788 static int wsa881x_get_port(struct snd_kcontrol *kcontrol, 789 struct snd_ctl_elem_value *ucontrol) 790 { 791 struct snd_soc_component *comp = snd_soc_kcontrol_component(kcontrol); 792 struct wsa881x_priv *data = snd_soc_component_get_drvdata(comp); 793 struct soc_mixer_control *mixer = 794 (struct soc_mixer_control *)kcontrol->private_value; 795 int portidx = mixer->reg; 796 797 ucontrol->value.integer.value[0] = data->port_enable[portidx]; 798 799 800 return 0; 801 } 802 803 static int wsa881x_boost_ctrl(struct snd_soc_component *comp, bool enable) 804 { 805 if (enable) 806 snd_soc_component_update_bits(comp, WSA881X_BOOST_EN_CTL, 807 WSA881X_BOOST_EN_MASK, 808 WSA881X_BOOST_EN); 809 else 810 snd_soc_component_update_bits(comp, WSA881X_BOOST_EN_CTL, 811 WSA881X_BOOST_EN_MASK, 0); 812 /* 813 * 1.5ms sleep is needed after boost enable/disable as per 814 * HW requirement 815 */ 816 usleep_range(1500, 1510); 817 return 0; 818 } 819 820 static int wsa881x_set_port(struct snd_kcontrol *kcontrol, 821 struct snd_ctl_elem_value *ucontrol) 822 { 823 struct snd_soc_component *comp = snd_soc_kcontrol_component(kcontrol); 824 struct wsa881x_priv *data = snd_soc_component_get_drvdata(comp); 825 struct soc_mixer_control *mixer = 826 (struct soc_mixer_control *)kcontrol->private_value; 827 int portidx = mixer->reg; 828 829 if (ucontrol->value.integer.value[0]) { 830 if (data->port_enable[portidx]) 831 return 0; 832 833 data->port_enable[portidx] = true; 834 } else { 835 if (!data->port_enable[portidx]) 836 return 0; 837 838 data->port_enable[portidx] = false; 839 } 840 841 if (portidx == WSA881X_PORT_BOOST) /* Boost Switch */ 842 wsa881x_boost_ctrl(comp, data->port_enable[portidx]); 843 844 return 1; 845 } 846 847 static const char * const smart_boost_lvl_text[] = { 848 "6.625 V", "6.750 V", "6.875 V", "7.000 V", 849 "7.125 V", "7.250 V", "7.375 V", "7.500 V", 850 "7.625 V", "7.750 V", "7.875 V", "8.000 V", 851 "8.125 V", "8.250 V", "8.375 V", "8.500 V" 852 }; 853 854 static const struct soc_enum smart_boost_lvl_enum = 855 SOC_ENUM_SINGLE(WSA881X_BOOST_PRESET_OUT1, 0, 856 ARRAY_SIZE(smart_boost_lvl_text), 857 smart_boost_lvl_text); 858 859 static const DECLARE_TLV_DB_SCALE(pa_gain, 0, 150, 0); 860 861 static const struct snd_kcontrol_new wsa881x_snd_controls[] = { 862 SOC_ENUM("Smart Boost Level", smart_boost_lvl_enum), 863 WSA881X_PA_GAIN_TLV("PA Volume", WSA881X_SPKR_DRV_GAIN, 864 4, 0xC, 1, pa_gain), 865 SOC_SINGLE_EXT("DAC Switch", WSA881X_PORT_DAC, 0, 1, 0, 866 wsa881x_get_port, wsa881x_set_port), 867 SOC_SINGLE_EXT("COMP Switch", WSA881X_PORT_COMP, 0, 1, 0, 868 wsa881x_get_port, wsa881x_set_port), 869 SOC_SINGLE_EXT("BOOST Switch", WSA881X_PORT_BOOST, 0, 1, 0, 870 wsa881x_get_port, wsa881x_set_port), 871 SOC_SINGLE_EXT("VISENSE Switch", WSA881X_PORT_VISENSE, 0, 1, 0, 872 wsa881x_get_port, wsa881x_set_port), 873 }; 874 875 static const struct snd_soc_dapm_route wsa881x_audio_map[] = { 876 { "RDAC", NULL, "IN" }, 877 { "RDAC", NULL, "DCLK" }, 878 { "RDAC", NULL, "ACLK" }, 879 { "RDAC", NULL, "Bandgap" }, 880 { "SPKR PGA", NULL, "RDAC" }, 881 { "SPKR", NULL, "SPKR PGA" }, 882 }; 883 884 static int wsa881x_visense_txfe_ctrl(struct snd_soc_component *comp, 885 bool enable) 886 { 887 struct wsa881x_priv *wsa881x = snd_soc_component_get_drvdata(comp); 888 889 if (enable) { 890 regmap_multi_reg_write(wsa881x->regmap, wsa881x_vi_txfe_en_2_0, 891 ARRAY_SIZE(wsa881x_vi_txfe_en_2_0)); 892 } else { 893 snd_soc_component_update_bits(comp, 894 WSA881X_SPKR_PROT_FE_VSENSE_VCM, 895 0x08, 0x08); 896 /* 897 * 200us sleep is needed after visense txfe disable as per 898 * HW requirement. 899 */ 900 usleep_range(200, 210); 901 snd_soc_component_update_bits(comp, WSA881X_SPKR_PROT_FE_GAIN, 902 0x01, 0x00); 903 } 904 return 0; 905 } 906 907 static int wsa881x_visense_adc_ctrl(struct snd_soc_component *comp, 908 bool enable) 909 { 910 snd_soc_component_update_bits(comp, WSA881X_ADC_EN_MODU_V, BIT(7), 911 (enable << 7)); 912 snd_soc_component_update_bits(comp, WSA881X_ADC_EN_MODU_I, BIT(7), 913 (enable << 7)); 914 return 0; 915 } 916 917 static int wsa881x_spkr_pa_event(struct snd_soc_dapm_widget *w, 918 struct snd_kcontrol *kcontrol, int event) 919 { 920 struct snd_soc_component *comp = snd_soc_dapm_to_component(w->dapm); 921 struct wsa881x_priv *wsa881x = snd_soc_component_get_drvdata(comp); 922 923 switch (event) { 924 case SND_SOC_DAPM_PRE_PMU: 925 snd_soc_component_update_bits(comp, WSA881X_SPKR_OCP_CTL, 926 WSA881X_SPKR_OCP_MASK, 927 WSA881X_SPKR_OCP_EN); 928 regmap_multi_reg_write(wsa881x->regmap, wsa881x_pre_pmu_pa_2_0, 929 ARRAY_SIZE(wsa881x_pre_pmu_pa_2_0)); 930 931 snd_soc_component_update_bits(comp, WSA881X_SPKR_DRV_GAIN, 932 WSA881X_PA_GAIN_SEL_MASK, 933 WSA881X_PA_GAIN_SEL_REG); 934 break; 935 case SND_SOC_DAPM_POST_PMU: 936 if (wsa881x->port_prepared[WSA881X_PORT_VISENSE]) { 937 wsa881x_visense_txfe_ctrl(comp, true); 938 snd_soc_component_update_bits(comp, 939 WSA881X_ADC_EN_SEL_IBAIS, 940 0x07, 0x01); 941 wsa881x_visense_adc_ctrl(comp, true); 942 } 943 944 break; 945 case SND_SOC_DAPM_POST_PMD: 946 if (wsa881x->port_prepared[WSA881X_PORT_VISENSE]) { 947 wsa881x_visense_adc_ctrl(comp, false); 948 wsa881x_visense_txfe_ctrl(comp, false); 949 } 950 951 snd_soc_component_update_bits(comp, WSA881X_SPKR_OCP_CTL, 952 WSA881X_SPKR_OCP_MASK, 953 WSA881X_SPKR_OCP_EN | 954 WSA881X_SPKR_OCP_HOLD); 955 break; 956 } 957 return 0; 958 } 959 960 static const struct snd_soc_dapm_widget wsa881x_dapm_widgets[] = { 961 SND_SOC_DAPM_INPUT("IN"), 962 SND_SOC_DAPM_DAC_E("RDAC", NULL, WSA881X_SPKR_DAC_CTL, 7, 0, 963 NULL, 964 SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD), 965 SND_SOC_DAPM_PGA_E("SPKR PGA", SND_SOC_NOPM, 0, 0, NULL, 0, 966 wsa881x_spkr_pa_event, SND_SOC_DAPM_PRE_PMU | 967 SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD), 968 SND_SOC_DAPM_SUPPLY("DCLK", WSA881X_CDC_DIG_CLK_CTL, 0, 0, NULL, 969 SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD), 970 SND_SOC_DAPM_SUPPLY("ACLK", WSA881X_CDC_ANA_CLK_CTL, 0, 0, NULL, 971 SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD), 972 SND_SOC_DAPM_SUPPLY("Bandgap", WSA881X_TEMP_OP, 3, 0, 973 NULL, 974 SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD), 975 SND_SOC_DAPM_OUTPUT("SPKR"), 976 }; 977 978 static int wsa881x_hw_params(struct snd_pcm_substream *substream, 979 struct snd_pcm_hw_params *params, 980 struct snd_soc_dai *dai) 981 { 982 struct wsa881x_priv *wsa881x = dev_get_drvdata(dai->dev); 983 int i; 984 985 wsa881x->active_ports = 0; 986 for (i = 0; i < WSA881X_MAX_SWR_PORTS; i++) { 987 if (!wsa881x->port_enable[i]) 988 continue; 989 990 wsa881x->port_config[wsa881x->active_ports] = 991 wsa881x_pconfig[i]; 992 wsa881x->active_ports++; 993 } 994 995 return sdw_stream_add_slave(wsa881x->slave, &wsa881x->sconfig, 996 wsa881x->port_config, wsa881x->active_ports, 997 wsa881x->sruntime); 998 } 999 1000 static int wsa881x_hw_free(struct snd_pcm_substream *substream, 1001 struct snd_soc_dai *dai) 1002 { 1003 struct wsa881x_priv *wsa881x = dev_get_drvdata(dai->dev); 1004 1005 sdw_stream_remove_slave(wsa881x->slave, wsa881x->sruntime); 1006 1007 return 0; 1008 } 1009 1010 static int wsa881x_set_sdw_stream(struct snd_soc_dai *dai, 1011 void *stream, int direction) 1012 { 1013 struct wsa881x_priv *wsa881x = dev_get_drvdata(dai->dev); 1014 1015 wsa881x->sruntime = stream; 1016 1017 return 0; 1018 } 1019 1020 static int wsa881x_digital_mute(struct snd_soc_dai *dai, int mute, int stream) 1021 { 1022 struct wsa881x_priv *wsa881x = dev_get_drvdata(dai->dev); 1023 1024 if (mute) 1025 regmap_update_bits(wsa881x->regmap, WSA881X_SPKR_DRV_EN, 0x80, 1026 0x00); 1027 else 1028 regmap_update_bits(wsa881x->regmap, WSA881X_SPKR_DRV_EN, 0x80, 1029 0x80); 1030 1031 return 0; 1032 } 1033 1034 static const struct snd_soc_dai_ops wsa881x_dai_ops = { 1035 .hw_params = wsa881x_hw_params, 1036 .hw_free = wsa881x_hw_free, 1037 .mute_stream = wsa881x_digital_mute, 1038 .set_stream = wsa881x_set_sdw_stream, 1039 }; 1040 1041 static struct snd_soc_dai_driver wsa881x_dais[] = { 1042 { 1043 .name = "SPKR", 1044 .id = 0, 1045 .playback = { 1046 .stream_name = "SPKR Playback", 1047 .rates = SNDRV_PCM_RATE_48000, 1048 .formats = SNDRV_PCM_FMTBIT_S16_LE, 1049 .rate_max = 48000, 1050 .rate_min = 48000, 1051 .channels_min = 1, 1052 .channels_max = 1, 1053 }, 1054 .ops = &wsa881x_dai_ops, 1055 }, 1056 }; 1057 1058 static const struct snd_soc_component_driver wsa881x_component_drv = { 1059 .name = "WSA881x", 1060 .probe = wsa881x_component_probe, 1061 .controls = wsa881x_snd_controls, 1062 .num_controls = ARRAY_SIZE(wsa881x_snd_controls), 1063 .dapm_widgets = wsa881x_dapm_widgets, 1064 .num_dapm_widgets = ARRAY_SIZE(wsa881x_dapm_widgets), 1065 .dapm_routes = wsa881x_audio_map, 1066 .num_dapm_routes = ARRAY_SIZE(wsa881x_audio_map), 1067 .endianness = 1, 1068 }; 1069 1070 static int wsa881x_update_status(struct sdw_slave *slave, 1071 enum sdw_slave_status status) 1072 { 1073 struct wsa881x_priv *wsa881x = dev_get_drvdata(&slave->dev); 1074 1075 if (status == SDW_SLAVE_ATTACHED && slave->dev_num > 0) 1076 wsa881x_init(wsa881x); 1077 1078 return 0; 1079 } 1080 1081 static int wsa881x_port_prep(struct sdw_slave *slave, 1082 struct sdw_prepare_ch *prepare_ch, 1083 enum sdw_port_prep_ops state) 1084 { 1085 struct wsa881x_priv *wsa881x = dev_get_drvdata(&slave->dev); 1086 1087 if (state == SDW_OPS_PORT_POST_PREP) 1088 wsa881x->port_prepared[prepare_ch->num - 1] = true; 1089 else 1090 wsa881x->port_prepared[prepare_ch->num - 1] = false; 1091 1092 return 0; 1093 } 1094 1095 static int wsa881x_bus_config(struct sdw_slave *slave, 1096 struct sdw_bus_params *params) 1097 { 1098 sdw_write(slave, SWRS_SCP_HOST_CLK_DIV2_CTL_BANK(params->next_bank), 1099 0x01); 1100 1101 return 0; 1102 } 1103 1104 static struct sdw_slave_ops wsa881x_slave_ops = { 1105 .update_status = wsa881x_update_status, 1106 .bus_config = wsa881x_bus_config, 1107 .port_prep = wsa881x_port_prep, 1108 }; 1109 1110 static int wsa881x_probe(struct sdw_slave *pdev, 1111 const struct sdw_device_id *id) 1112 { 1113 struct wsa881x_priv *wsa881x; 1114 struct device *dev = &pdev->dev; 1115 1116 wsa881x = devm_kzalloc(&pdev->dev, sizeof(*wsa881x), GFP_KERNEL); 1117 if (!wsa881x) 1118 return -ENOMEM; 1119 1120 wsa881x->sd_n = devm_gpiod_get_optional(&pdev->dev, "powerdown", 1121 GPIOD_FLAGS_BIT_NONEXCLUSIVE); 1122 if (IS_ERR(wsa881x->sd_n)) { 1123 dev_err(&pdev->dev, "Shutdown Control GPIO not found\n"); 1124 return PTR_ERR(wsa881x->sd_n); 1125 } 1126 1127 dev_set_drvdata(&pdev->dev, wsa881x); 1128 wsa881x->slave = pdev; 1129 wsa881x->dev = &pdev->dev; 1130 wsa881x->sconfig.ch_count = 1; 1131 wsa881x->sconfig.bps = 1; 1132 wsa881x->sconfig.frame_rate = 48000; 1133 wsa881x->sconfig.direction = SDW_DATA_DIR_RX; 1134 wsa881x->sconfig.type = SDW_STREAM_PDM; 1135 pdev->prop.sink_ports = GENMASK(WSA881X_MAX_SWR_PORTS, 0); 1136 pdev->prop.sink_dpn_prop = wsa_sink_dpn_prop; 1137 pdev->prop.scp_int1_mask = SDW_SCP_INT1_BUS_CLASH | SDW_SCP_INT1_PARITY; 1138 gpiod_direction_output(wsa881x->sd_n, 1); 1139 1140 wsa881x->regmap = devm_regmap_init_sdw(pdev, &wsa881x_regmap_config); 1141 if (IS_ERR(wsa881x->regmap)) { 1142 dev_err(&pdev->dev, "regmap_init failed\n"); 1143 return PTR_ERR(wsa881x->regmap); 1144 } 1145 1146 pm_runtime_set_autosuspend_delay(dev, 3000); 1147 pm_runtime_use_autosuspend(dev); 1148 pm_runtime_mark_last_busy(dev); 1149 pm_runtime_set_active(dev); 1150 pm_runtime_enable(dev); 1151 1152 return devm_snd_soc_register_component(&pdev->dev, 1153 &wsa881x_component_drv, 1154 wsa881x_dais, 1155 ARRAY_SIZE(wsa881x_dais)); 1156 } 1157 1158 static int __maybe_unused wsa881x_runtime_suspend(struct device *dev) 1159 { 1160 struct regmap *regmap = dev_get_regmap(dev, NULL); 1161 struct wsa881x_priv *wsa881x = dev_get_drvdata(dev); 1162 1163 gpiod_direction_output(wsa881x->sd_n, 0); 1164 1165 regcache_cache_only(regmap, true); 1166 regcache_mark_dirty(regmap); 1167 1168 return 0; 1169 } 1170 1171 static int __maybe_unused wsa881x_runtime_resume(struct device *dev) 1172 { 1173 struct sdw_slave *slave = dev_to_sdw_dev(dev); 1174 struct regmap *regmap = dev_get_regmap(dev, NULL); 1175 struct wsa881x_priv *wsa881x = dev_get_drvdata(dev); 1176 unsigned long time; 1177 1178 gpiod_direction_output(wsa881x->sd_n, 1); 1179 1180 time = wait_for_completion_timeout(&slave->initialization_complete, 1181 msecs_to_jiffies(WSA881X_PROBE_TIMEOUT)); 1182 if (!time) { 1183 dev_err(dev, "Initialization not complete, timed out\n"); 1184 gpiod_direction_output(wsa881x->sd_n, 0); 1185 return -ETIMEDOUT; 1186 } 1187 1188 regcache_cache_only(regmap, false); 1189 regcache_sync(regmap); 1190 1191 return 0; 1192 } 1193 1194 static const struct dev_pm_ops wsa881x_pm_ops = { 1195 SET_RUNTIME_PM_OPS(wsa881x_runtime_suspend, wsa881x_runtime_resume, NULL) 1196 }; 1197 1198 static const struct sdw_device_id wsa881x_slave_id[] = { 1199 SDW_SLAVE_ENTRY(0x0217, 0x2010, 0), 1200 SDW_SLAVE_ENTRY(0x0217, 0x2110, 0), 1201 {}, 1202 }; 1203 MODULE_DEVICE_TABLE(sdw, wsa881x_slave_id); 1204 1205 static struct sdw_driver wsa881x_codec_driver = { 1206 .probe = wsa881x_probe, 1207 .ops = &wsa881x_slave_ops, 1208 .id_table = wsa881x_slave_id, 1209 .driver = { 1210 .name = "wsa881x-codec", 1211 .pm = &wsa881x_pm_ops, 1212 } 1213 }; 1214 module_sdw_driver(wsa881x_codec_driver); 1215 1216 MODULE_DESCRIPTION("WSA881x codec driver"); 1217 MODULE_LICENSE("GPL v2"); 1218