1 // SPDX-License-Identifier: GPL-2.0-only 2 // Copyright (c) 2023-2024 Qualcomm Innovation Center, Inc. All rights reserved. 3 4 #include <linux/component.h> 5 #include <linux/delay.h> 6 #include <linux/device.h> 7 #include <linux/gpio/consumer.h> 8 #include <linux/kernel.h> 9 #include <linux/module.h> 10 #include <linux/of_gpio.h> 11 #include <linux/of.h> 12 #include <linux/platform_device.h> 13 #include <linux/pm_runtime.h> 14 #include <linux/regmap.h> 15 #include <linux/regulator/consumer.h> 16 #include <linux/slab.h> 17 #include <sound/jack.h> 18 #include <sound/pcm_params.h> 19 #include <sound/pcm.h> 20 #include <sound/soc-dapm.h> 21 #include <sound/soc.h> 22 #include <sound/tlv.h> 23 24 #include "wcd-clsh-v2.h" 25 #include "wcd-mbhc-v2.h" 26 #include "wcd937x.h" 27 28 enum { 29 CHIPID_WCD9370 = 0, 30 CHIPID_WCD9375 = 5, 31 }; 32 33 /* Z value defined in milliohm */ 34 #define WCD937X_ZDET_VAL_32 (32000) 35 #define WCD937X_ZDET_VAL_400 (400000) 36 #define WCD937X_ZDET_VAL_1200 (1200000) 37 #define WCD937X_ZDET_VAL_100K (100000000) 38 /* Z floating defined in ohms */ 39 #define WCD937X_ZDET_FLOATING_IMPEDANCE (0x0FFFFFFE) 40 #define WCD937X_ZDET_NUM_MEASUREMENTS (900) 41 #define WCD937X_MBHC_GET_C1(c) (((c) & 0xC000) >> 14) 42 #define WCD937X_MBHC_GET_X1(x) ((x) & 0x3FFF) 43 /* Z value compared in milliOhm */ 44 #define WCD937X_MBHC_IS_SECOND_RAMP_REQUIRED(z) (((z) > 400000) || ((z) < 32000)) 45 #define WCD937X_MBHC_ZDET_CONST (86 * 16384) 46 #define WCD937X_MBHC_MOISTURE_RREF R_24_KOHM 47 #define WCD_MBHC_HS_V_MAX 1600 48 #define EAR_RX_PATH_AUX 1 49 #define WCD937X_MBHC_MAX_BUTTONS 8 50 51 #define WCD937X_RATES (SNDRV_PCM_RATE_8000 | SNDRV_PCM_RATE_16000 |\ 52 SNDRV_PCM_RATE_32000 | SNDRV_PCM_RATE_48000 |\ 53 SNDRV_PCM_RATE_96000 | SNDRV_PCM_RATE_192000 |\ 54 SNDRV_PCM_RATE_384000) 55 56 /* Fractional Rates */ 57 #define WCD937X_FRAC_RATES (SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_88200 |\ 58 SNDRV_PCM_RATE_176400 | SNDRV_PCM_RATE_352800) 59 60 #define WCD937X_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S24_LE |\ 61 SNDRV_PCM_FMTBIT_S24_3LE | SNDRV_PCM_FMTBIT_S32_LE) 62 63 enum { 64 ALLOW_BUCK_DISABLE, 65 HPH_COMP_DELAY, 66 HPH_PA_DELAY, 67 AMIC2_BCS_ENABLE, 68 }; 69 70 enum { 71 AIF1_PB = 0, 72 AIF1_CAP, 73 NUM_CODEC_DAIS, 74 }; 75 76 struct wcd937x_priv { 77 struct sdw_slave *tx_sdw_dev; 78 struct wcd937x_sdw_priv *sdw_priv[NUM_CODEC_DAIS]; 79 struct device *txdev; 80 struct device *rxdev; 81 struct device_node *rxnode; 82 struct device_node *txnode; 83 struct regmap *regmap; 84 /* micb setup lock */ 85 struct mutex micb_lock; 86 /* mbhc module */ 87 struct wcd_mbhc *wcd_mbhc; 88 struct wcd_mbhc_config mbhc_cfg; 89 struct wcd_mbhc_intr intr_ids; 90 struct wcd_clsh_ctrl *clsh_info; 91 struct irq_domain *virq; 92 struct regmap_irq_chip *wcd_regmap_irq_chip; 93 struct regmap_irq_chip_data *irq_chip; 94 struct regulator_bulk_data supplies[WCD937X_MAX_BULK_SUPPLY]; 95 struct regulator *buck_supply; 96 struct snd_soc_jack *jack; 97 unsigned long status_mask; 98 s32 micb_ref[WCD937X_MAX_MICBIAS]; 99 s32 pullup_ref[WCD937X_MAX_MICBIAS]; 100 u32 hph_mode; 101 int ear_rx_path; 102 u32 micb1_mv; 103 u32 micb2_mv; 104 u32 micb3_mv; 105 int hphr_pdm_wd_int; 106 int hphl_pdm_wd_int; 107 int aux_pdm_wd_int; 108 bool comp1_enable; 109 bool comp2_enable; 110 111 struct gpio_desc *us_euro_gpio; 112 struct gpio_desc *reset_gpio; 113 114 atomic_t rx_clk_cnt; 115 atomic_t ana_clk_count; 116 }; 117 118 static const SNDRV_CTL_TLVD_DECLARE_DB_MINMAX(ear_pa_gain, 600, -1800); 119 static const DECLARE_TLV_DB_SCALE(line_gain, 0, 7, 1); 120 static const DECLARE_TLV_DB_SCALE(analog_gain, 0, 25, 1); 121 122 struct wcd937x_mbhc_zdet_param { 123 u16 ldo_ctl; 124 u16 noff; 125 u16 nshift; 126 u16 btn5; 127 u16 btn6; 128 u16 btn7; 129 }; 130 131 static const struct wcd_mbhc_field wcd_mbhc_fields[WCD_MBHC_REG_FUNC_MAX] = { 132 WCD_MBHC_FIELD(WCD_MBHC_L_DET_EN, WCD937X_ANA_MBHC_MECH, 0x80), 133 WCD_MBHC_FIELD(WCD_MBHC_GND_DET_EN, WCD937X_ANA_MBHC_MECH, 0x40), 134 WCD_MBHC_FIELD(WCD_MBHC_MECH_DETECTION_TYPE, WCD937X_ANA_MBHC_MECH, 0x20), 135 WCD_MBHC_FIELD(WCD_MBHC_MIC_CLAMP_CTL, WCD937X_MBHC_NEW_PLUG_DETECT_CTL, 0x30), 136 WCD_MBHC_FIELD(WCD_MBHC_ELECT_DETECTION_TYPE, WCD937X_ANA_MBHC_ELECT, 0x08), 137 WCD_MBHC_FIELD(WCD_MBHC_HS_L_DET_PULL_UP_CTRL, WCD937X_MBHC_NEW_INT_MECH_DET_CURRENT, 0x1F), 138 WCD_MBHC_FIELD(WCD_MBHC_HS_L_DET_PULL_UP_COMP_CTRL, WCD937X_ANA_MBHC_MECH, 0x04), 139 WCD_MBHC_FIELD(WCD_MBHC_HPHL_PLUG_TYPE, WCD937X_ANA_MBHC_MECH, 0x10), 140 WCD_MBHC_FIELD(WCD_MBHC_GND_PLUG_TYPE, WCD937X_ANA_MBHC_MECH, 0x08), 141 WCD_MBHC_FIELD(WCD_MBHC_SW_HPH_LP_100K_TO_GND, WCD937X_ANA_MBHC_MECH, 0x01), 142 WCD_MBHC_FIELD(WCD_MBHC_ELECT_SCHMT_ISRC, WCD937X_ANA_MBHC_ELECT, 0x06), 143 WCD_MBHC_FIELD(WCD_MBHC_FSM_EN, WCD937X_ANA_MBHC_ELECT, 0x80), 144 WCD_MBHC_FIELD(WCD_MBHC_INSREM_DBNC, WCD937X_MBHC_NEW_PLUG_DETECT_CTL, 0x0F), 145 WCD_MBHC_FIELD(WCD_MBHC_BTN_DBNC, WCD937X_MBHC_NEW_CTL_1, 0x03), 146 WCD_MBHC_FIELD(WCD_MBHC_HS_VREF, WCD937X_MBHC_NEW_CTL_2, 0x03), 147 WCD_MBHC_FIELD(WCD_MBHC_HS_COMP_RESULT, WCD937X_ANA_MBHC_RESULT_3, 0x08), 148 WCD_MBHC_FIELD(WCD_MBHC_IN2P_CLAMP_STATE, WCD937X_ANA_MBHC_RESULT_3, 0x10), 149 WCD_MBHC_FIELD(WCD_MBHC_MIC_SCHMT_RESULT, WCD937X_ANA_MBHC_RESULT_3, 0x20), 150 WCD_MBHC_FIELD(WCD_MBHC_HPHL_SCHMT_RESULT, WCD937X_ANA_MBHC_RESULT_3, 0x80), 151 WCD_MBHC_FIELD(WCD_MBHC_HPHR_SCHMT_RESULT, WCD937X_ANA_MBHC_RESULT_3, 0x40), 152 WCD_MBHC_FIELD(WCD_MBHC_OCP_FSM_EN, WCD937X_HPH_OCP_CTL, 0x10), 153 WCD_MBHC_FIELD(WCD_MBHC_BTN_RESULT, WCD937X_ANA_MBHC_RESULT_3, 0x07), 154 WCD_MBHC_FIELD(WCD_MBHC_BTN_ISRC_CTL, WCD937X_ANA_MBHC_ELECT, 0x70), 155 WCD_MBHC_FIELD(WCD_MBHC_ELECT_RESULT, WCD937X_ANA_MBHC_RESULT_3, 0xFF), 156 WCD_MBHC_FIELD(WCD_MBHC_MICB_CTRL, WCD937X_ANA_MICB2, 0xC0), 157 WCD_MBHC_FIELD(WCD_MBHC_HPH_CNP_WG_TIME, WCD937X_HPH_CNP_WG_TIME, 0xFF), 158 WCD_MBHC_FIELD(WCD_MBHC_HPHR_PA_EN, WCD937X_ANA_HPH, 0x40), 159 WCD_MBHC_FIELD(WCD_MBHC_HPHL_PA_EN, WCD937X_ANA_HPH, 0x80), 160 WCD_MBHC_FIELD(WCD_MBHC_HPH_PA_EN, WCD937X_ANA_HPH, 0xC0), 161 WCD_MBHC_FIELD(WCD_MBHC_SWCH_LEVEL_REMOVE, WCD937X_ANA_MBHC_RESULT_3, 0x10), 162 WCD_MBHC_FIELD(WCD_MBHC_ANC_DET_EN, WCD937X_MBHC_CTL_BCS, 0x02), 163 WCD_MBHC_FIELD(WCD_MBHC_FSM_STATUS, WCD937X_MBHC_NEW_FSM_STATUS, 0x01), 164 WCD_MBHC_FIELD(WCD_MBHC_MUX_CTL, WCD937X_MBHC_NEW_CTL_2, 0x70), 165 WCD_MBHC_FIELD(WCD_MBHC_MOISTURE_STATUS, WCD937X_MBHC_NEW_FSM_STATUS, 0x20), 166 WCD_MBHC_FIELD(WCD_MBHC_HPHR_GND, WCD937X_HPH_PA_CTL2, 0x40), 167 WCD_MBHC_FIELD(WCD_MBHC_HPHL_GND, WCD937X_HPH_PA_CTL2, 0x10), 168 WCD_MBHC_FIELD(WCD_MBHC_HPHL_OCP_DET_EN, WCD937X_HPH_L_TEST, 0x01), 169 WCD_MBHC_FIELD(WCD_MBHC_HPHR_OCP_DET_EN, WCD937X_HPH_R_TEST, 0x01), 170 WCD_MBHC_FIELD(WCD_MBHC_HPHL_OCP_STATUS, WCD937X_DIGITAL_INTR_STATUS_0, 0x80), 171 WCD_MBHC_FIELD(WCD_MBHC_HPHR_OCP_STATUS, WCD937X_DIGITAL_INTR_STATUS_0, 0x20), 172 WCD_MBHC_FIELD(WCD_MBHC_ADC_EN, WCD937X_MBHC_NEW_CTL_1, 0x08), 173 WCD_MBHC_FIELD(WCD_MBHC_ADC_COMPLETE, WCD937X_MBHC_NEW_FSM_STATUS, 0x40), 174 WCD_MBHC_FIELD(WCD_MBHC_ADC_TIMEOUT, WCD937X_MBHC_NEW_FSM_STATUS, 0x80), 175 WCD_MBHC_FIELD(WCD_MBHC_ADC_RESULT, WCD937X_MBHC_NEW_ADC_RESULT, 0xFF), 176 WCD_MBHC_FIELD(WCD_MBHC_MICB2_VOUT, WCD937X_ANA_MICB2, 0x3F), 177 WCD_MBHC_FIELD(WCD_MBHC_ADC_MODE, WCD937X_MBHC_NEW_CTL_1, 0x10), 178 WCD_MBHC_FIELD(WCD_MBHC_DETECTION_DONE, WCD937X_MBHC_NEW_CTL_1, 0x04), 179 WCD_MBHC_FIELD(WCD_MBHC_ELECT_ISRC_EN, WCD937X_ANA_MBHC_ZDET, 0x02), 180 }; 181 182 static const struct regmap_irq wcd937x_irqs[WCD937X_NUM_IRQS] = { 183 REGMAP_IRQ_REG(WCD937X_IRQ_MBHC_BUTTON_PRESS_DET, 0, BIT(0)), 184 REGMAP_IRQ_REG(WCD937X_IRQ_MBHC_BUTTON_RELEASE_DET, 0, BIT(1)), 185 REGMAP_IRQ_REG(WCD937X_IRQ_MBHC_ELECT_INS_REM_DET, 0, BIT(2)), 186 REGMAP_IRQ_REG(WCD937X_IRQ_MBHC_ELECT_INS_REM_LEG_DET, 0, BIT(3)), 187 REGMAP_IRQ_REG(WCD937X_IRQ_MBHC_SW_DET, 0, BIT(4)), 188 REGMAP_IRQ_REG(WCD937X_IRQ_HPHR_OCP_INT, 0, BIT(5)), 189 REGMAP_IRQ_REG(WCD937X_IRQ_HPHR_CNP_INT, 0, BIT(6)), 190 REGMAP_IRQ_REG(WCD937X_IRQ_HPHL_OCP_INT, 0, BIT(7)), 191 REGMAP_IRQ_REG(WCD937X_IRQ_HPHL_CNP_INT, 1, BIT(0)), 192 REGMAP_IRQ_REG(WCD937X_IRQ_EAR_CNP_INT, 1, BIT(1)), 193 REGMAP_IRQ_REG(WCD937X_IRQ_EAR_SCD_INT, 1, BIT(2)), 194 REGMAP_IRQ_REG(WCD937X_IRQ_AUX_CNP_INT, 1, BIT(3)), 195 REGMAP_IRQ_REG(WCD937X_IRQ_AUX_SCD_INT, 1, BIT(4)), 196 REGMAP_IRQ_REG(WCD937X_IRQ_HPHL_PDM_WD_INT, 1, BIT(5)), 197 REGMAP_IRQ_REG(WCD937X_IRQ_HPHR_PDM_WD_INT, 1, BIT(6)), 198 REGMAP_IRQ_REG(WCD937X_IRQ_AUX_PDM_WD_INT, 1, BIT(7)), 199 REGMAP_IRQ_REG(WCD937X_IRQ_LDORT_SCD_INT, 2, BIT(0)), 200 REGMAP_IRQ_REG(WCD937X_IRQ_MBHC_MOISTURE_INT, 2, BIT(1)), 201 REGMAP_IRQ_REG(WCD937X_IRQ_HPHL_SURGE_DET_INT, 2, BIT(2)), 202 REGMAP_IRQ_REG(WCD937X_IRQ_HPHR_SURGE_DET_INT, 2, BIT(3)), 203 }; 204 205 static int wcd937x_handle_post_irq(void *data) 206 { 207 struct wcd937x_priv *wcd937x; 208 209 if (data) 210 wcd937x = (struct wcd937x_priv *)data; 211 else 212 return IRQ_HANDLED; 213 214 regmap_write(wcd937x->regmap, WCD937X_DIGITAL_INTR_CLEAR_0, 0); 215 regmap_write(wcd937x->regmap, WCD937X_DIGITAL_INTR_CLEAR_1, 0); 216 regmap_write(wcd937x->regmap, WCD937X_DIGITAL_INTR_CLEAR_2, 0); 217 218 return IRQ_HANDLED; 219 } 220 221 static const u32 wcd937x_config_regs[] = { 222 WCD937X_DIGITAL_INTR_LEVEL_0, 223 }; 224 225 static const struct regmap_irq_chip wcd937x_regmap_irq_chip = { 226 .name = "wcd937x", 227 .irqs = wcd937x_irqs, 228 .num_irqs = ARRAY_SIZE(wcd937x_irqs), 229 .num_regs = 3, 230 .status_base = WCD937X_DIGITAL_INTR_STATUS_0, 231 .mask_base = WCD937X_DIGITAL_INTR_MASK_0, 232 .ack_base = WCD937X_DIGITAL_INTR_CLEAR_0, 233 .use_ack = 1, 234 .clear_ack = 1, 235 .config_base = wcd937x_config_regs, 236 .num_config_bases = ARRAY_SIZE(wcd937x_config_regs), 237 .num_config_regs = 1, 238 .runtime_pm = true, 239 .handle_post_irq = wcd937x_handle_post_irq, 240 .irq_drv_data = NULL, 241 }; 242 243 static void wcd937x_reset(struct wcd937x_priv *wcd937x) 244 { 245 gpiod_set_value(wcd937x->reset_gpio, 1); 246 usleep_range(20, 30); 247 gpiod_set_value(wcd937x->reset_gpio, 0); 248 usleep_range(20, 30); 249 } 250 251 static void wcd937x_io_init(struct regmap *regmap) 252 { 253 u32 val = 0, temp = 0, temp1 = 0; 254 255 regmap_read(regmap, WCD937X_DIGITAL_EFUSE_REG_29, &val); 256 257 val = val & 0x0F; 258 259 regmap_read(regmap, WCD937X_DIGITAL_EFUSE_REG_16, &temp); 260 regmap_read(regmap, WCD937X_DIGITAL_EFUSE_REG_17, &temp1); 261 262 if (temp == 0x02 || temp1 > 0x09) 263 regmap_update_bits(regmap, WCD937X_SLEEP_CTL, 0x0E, val); 264 else 265 regmap_update_bits(regmap, WCD937X_SLEEP_CTL, 0x0e, 0x0e); 266 267 regmap_update_bits(regmap, WCD937X_SLEEP_CTL, 0x80, 0x80); 268 usleep_range(1000, 1010); 269 270 regmap_update_bits(regmap, WCD937X_SLEEP_CTL, 0x40, 0x40); 271 usleep_range(1000, 1010); 272 273 regmap_update_bits(regmap, WCD937X_LDORXTX_CONFIG, BIT(4), 0x00); 274 regmap_update_bits(regmap, WCD937X_BIAS_VBG_FINE_ADJ, 0xf0, BIT(7)); 275 regmap_update_bits(regmap, WCD937X_ANA_BIAS, BIT(7), BIT(7)); 276 regmap_update_bits(regmap, WCD937X_ANA_BIAS, BIT(6), BIT(6)); 277 usleep_range(10000, 10010); 278 279 regmap_update_bits(regmap, WCD937X_ANA_BIAS, BIT(6), 0x00); 280 regmap_update_bits(regmap, WCD937X_HPH_SURGE_HPHLR_SURGE_EN, 0xff, 0xd9); 281 regmap_update_bits(regmap, WCD937X_MICB1_TEST_CTL_1, 0xff, 0xfa); 282 regmap_update_bits(regmap, WCD937X_MICB2_TEST_CTL_1, 0xff, 0xfa); 283 regmap_update_bits(regmap, WCD937X_MICB3_TEST_CTL_1, 0xff, 0xfa); 284 285 regmap_update_bits(regmap, WCD937X_MICB1_TEST_CTL_2, 0x38, 0x00); 286 regmap_update_bits(regmap, WCD937X_MICB2_TEST_CTL_2, 0x38, 0x00); 287 regmap_update_bits(regmap, WCD937X_MICB3_TEST_CTL_2, 0x38, 0x00); 288 289 /* Set Bandgap Fine Adjustment to +5mV for Tanggu SMIC part */ 290 regmap_read(regmap, WCD937X_DIGITAL_EFUSE_REG_16, &val); 291 if (val == 0x01) { 292 regmap_update_bits(regmap, WCD937X_BIAS_VBG_FINE_ADJ, 0xF0, 0xB0); 293 } else if (val == 0x02) { 294 regmap_update_bits(regmap, WCD937X_HPH_NEW_INT_RDAC_HD2_CTL_L, 0x1F, 0x04); 295 regmap_update_bits(regmap, WCD937X_HPH_NEW_INT_RDAC_HD2_CTL_R, 0x1F, 0x04); 296 regmap_update_bits(regmap, WCD937X_BIAS_VBG_FINE_ADJ, 0xF0, 0xB0); 297 regmap_update_bits(regmap, WCD937X_HPH_NEW_INT_RDAC_GAIN_CTL, 0xF0, 0x50); 298 } 299 } 300 301 static int wcd937x_rx_clk_enable(struct snd_soc_component *component) 302 { 303 struct wcd937x_priv *wcd937x = snd_soc_component_get_drvdata(component); 304 305 if (atomic_read(&wcd937x->rx_clk_cnt)) 306 return 0; 307 308 snd_soc_component_update_bits(component, WCD937X_DIGITAL_CDC_DIG_CLK_CTL, BIT(3), BIT(3)); 309 snd_soc_component_update_bits(component, WCD937X_DIGITAL_CDC_ANA_CLK_CTL, BIT(0), BIT(0)); 310 snd_soc_component_update_bits(component, WCD937X_ANA_RX_SUPPLIES, BIT(0), BIT(0)); 311 snd_soc_component_update_bits(component, WCD937X_DIGITAL_CDC_RX0_CTL, BIT(6), 0x00); 312 snd_soc_component_update_bits(component, WCD937X_DIGITAL_CDC_RX1_CTL, BIT(6), 0x00); 313 snd_soc_component_update_bits(component, WCD937X_DIGITAL_CDC_RX2_CTL, BIT(6), 0x00); 314 snd_soc_component_update_bits(component, WCD937X_DIGITAL_CDC_ANA_CLK_CTL, BIT(1), BIT(1)); 315 316 atomic_inc(&wcd937x->rx_clk_cnt); 317 318 return 0; 319 } 320 321 static int wcd937x_rx_clk_disable(struct snd_soc_component *component) 322 { 323 struct wcd937x_priv *wcd937x = snd_soc_component_get_drvdata(component); 324 325 if (!atomic_read(&wcd937x->rx_clk_cnt)) { 326 dev_err(component->dev, "clk already disabled\n"); 327 return 0; 328 } 329 330 atomic_dec(&wcd937x->rx_clk_cnt); 331 332 snd_soc_component_update_bits(component, WCD937X_ANA_RX_SUPPLIES, BIT(0), 0x00); 333 snd_soc_component_update_bits(component, WCD937X_DIGITAL_CDC_ANA_CLK_CTL, BIT(1), 0x00); 334 snd_soc_component_update_bits(component, WCD937X_DIGITAL_CDC_ANA_CLK_CTL, BIT(0), 0x00); 335 336 return 0; 337 } 338 339 static int wcd937x_codec_hphl_dac_event(struct snd_soc_dapm_widget *w, 340 struct snd_kcontrol *kcontrol, 341 int event) 342 { 343 struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm); 344 struct wcd937x_priv *wcd937x = snd_soc_component_get_drvdata(component); 345 int hph_mode = wcd937x->hph_mode; 346 347 switch (event) { 348 case SND_SOC_DAPM_PRE_PMU: 349 wcd937x_rx_clk_enable(component); 350 snd_soc_component_update_bits(component, 351 WCD937X_DIGITAL_CDC_DIG_CLK_CTL, 352 BIT(0), BIT(0)); 353 snd_soc_component_update_bits(component, 354 WCD937X_DIGITAL_CDC_HPH_GAIN_CTL, 355 BIT(2), BIT(2)); 356 snd_soc_component_update_bits(component, 357 WCD937X_HPH_RDAC_CLK_CTL1, 358 BIT(7), 0x00); 359 set_bit(HPH_COMP_DELAY, &wcd937x->status_mask); 360 break; 361 case SND_SOC_DAPM_POST_PMU: 362 if (hph_mode == CLS_AB_HIFI || hph_mode == CLS_H_HIFI) 363 snd_soc_component_update_bits(component, 364 WCD937X_HPH_NEW_INT_RDAC_HD2_CTL_L, 365 0x0f, BIT(1)); 366 else if (hph_mode == CLS_H_LOHIFI) 367 snd_soc_component_update_bits(component, 368 WCD937X_HPH_NEW_INT_RDAC_HD2_CTL_L, 369 0x0f, 0x06); 370 371 if (wcd937x->comp1_enable) { 372 snd_soc_component_update_bits(component, 373 WCD937X_DIGITAL_CDC_COMP_CTL_0, 374 BIT(1), BIT(1)); 375 snd_soc_component_update_bits(component, 376 WCD937X_HPH_L_EN, 377 BIT(5), 0x00); 378 379 if (wcd937x->comp2_enable) { 380 snd_soc_component_update_bits(component, 381 WCD937X_DIGITAL_CDC_COMP_CTL_0, 382 BIT(0), BIT(0)); 383 snd_soc_component_update_bits(component, 384 WCD937X_HPH_R_EN, BIT(5), 0x00); 385 } 386 387 if (test_bit(HPH_COMP_DELAY, &wcd937x->status_mask)) { 388 usleep_range(5000, 5110); 389 clear_bit(HPH_COMP_DELAY, &wcd937x->status_mask); 390 } 391 } else { 392 snd_soc_component_update_bits(component, 393 WCD937X_DIGITAL_CDC_COMP_CTL_0, 394 BIT(1), 0x00); 395 snd_soc_component_update_bits(component, 396 WCD937X_HPH_L_EN, 397 BIT(5), BIT(5)); 398 } 399 400 snd_soc_component_update_bits(component, 401 WCD937X_HPH_NEW_INT_HPH_TIMER1, 402 BIT(1), 0x00); 403 break; 404 case SND_SOC_DAPM_POST_PMD: 405 snd_soc_component_update_bits(component, 406 WCD937X_HPH_NEW_INT_RDAC_HD2_CTL_L, 407 0x0f, BIT(0)); 408 break; 409 } 410 411 return 0; 412 } 413 414 static int wcd937x_codec_hphr_dac_event(struct snd_soc_dapm_widget *w, 415 struct snd_kcontrol *kcontrol, 416 int event) 417 { 418 struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm); 419 struct wcd937x_priv *wcd937x = snd_soc_component_get_drvdata(component); 420 int hph_mode = wcd937x->hph_mode; 421 422 switch (event) { 423 case SND_SOC_DAPM_PRE_PMU: 424 wcd937x_rx_clk_enable(component); 425 snd_soc_component_update_bits(component, 426 WCD937X_DIGITAL_CDC_DIG_CLK_CTL, BIT(1), BIT(1)); 427 snd_soc_component_update_bits(component, 428 WCD937X_DIGITAL_CDC_HPH_GAIN_CTL, BIT(3), BIT(3)); 429 snd_soc_component_update_bits(component, 430 WCD937X_HPH_RDAC_CLK_CTL1, BIT(7), 0x00); 431 set_bit(HPH_COMP_DELAY, &wcd937x->status_mask); 432 break; 433 case SND_SOC_DAPM_POST_PMU: 434 if (hph_mode == CLS_AB_HIFI || hph_mode == CLS_H_HIFI) 435 snd_soc_component_update_bits(component, 436 WCD937X_HPH_NEW_INT_RDAC_HD2_CTL_R, 437 0x0f, BIT(1)); 438 else if (hph_mode == CLS_H_LOHIFI) 439 snd_soc_component_update_bits(component, 440 WCD937X_HPH_NEW_INT_RDAC_HD2_CTL_R, 441 0x0f, 0x06); 442 if (wcd937x->comp2_enable) { 443 snd_soc_component_update_bits(component, 444 WCD937X_DIGITAL_CDC_COMP_CTL_0, 445 BIT(0), BIT(0)); 446 snd_soc_component_update_bits(component, 447 WCD937X_HPH_R_EN, BIT(5), 0x00); 448 if (wcd937x->comp1_enable) { 449 snd_soc_component_update_bits(component, 450 WCD937X_DIGITAL_CDC_COMP_CTL_0, 451 BIT(1), BIT(1)); 452 snd_soc_component_update_bits(component, 453 WCD937X_HPH_L_EN, 454 BIT(5), 0x00); 455 } 456 457 if (test_bit(HPH_COMP_DELAY, &wcd937x->status_mask)) { 458 usleep_range(5000, 5110); 459 clear_bit(HPH_COMP_DELAY, &wcd937x->status_mask); 460 } 461 } else { 462 snd_soc_component_update_bits(component, 463 WCD937X_DIGITAL_CDC_COMP_CTL_0, 464 BIT(0), 0x00); 465 snd_soc_component_update_bits(component, 466 WCD937X_HPH_R_EN, 467 BIT(5), BIT(5)); 468 } 469 snd_soc_component_update_bits(component, 470 WCD937X_HPH_NEW_INT_HPH_TIMER1, 471 BIT(1), 0x00); 472 break; 473 case SND_SOC_DAPM_POST_PMD: 474 snd_soc_component_update_bits(component, 475 WCD937X_HPH_NEW_INT_RDAC_HD2_CTL_R, 476 0x0f, BIT(0)); 477 break; 478 } 479 480 return 0; 481 } 482 483 static int wcd937x_codec_ear_dac_event(struct snd_soc_dapm_widget *w, 484 struct snd_kcontrol *kcontrol, 485 int event) 486 { 487 struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm); 488 struct wcd937x_priv *wcd937x = snd_soc_component_get_drvdata(component); 489 int hph_mode = wcd937x->hph_mode; 490 491 switch (event) { 492 case SND_SOC_DAPM_PRE_PMU: 493 wcd937x_rx_clk_enable(component); 494 snd_soc_component_update_bits(component, 495 WCD937X_DIGITAL_CDC_HPH_GAIN_CTL, 496 BIT(2), BIT(2)); 497 snd_soc_component_update_bits(component, 498 WCD937X_DIGITAL_CDC_DIG_CLK_CTL, 499 BIT(0), BIT(0)); 500 501 if (hph_mode == CLS_AB_HIFI || hph_mode == CLS_H_HIFI) 502 snd_soc_component_update_bits(component, 503 WCD937X_HPH_NEW_INT_RDAC_HD2_CTL_L, 504 0x0f, BIT(1)); 505 else if (hph_mode == CLS_H_LOHIFI) 506 snd_soc_component_update_bits(component, 507 WCD937X_HPH_NEW_INT_RDAC_HD2_CTL_L, 508 0x0f, 0x06); 509 if (wcd937x->comp1_enable) 510 snd_soc_component_update_bits(component, 511 WCD937X_DIGITAL_CDC_COMP_CTL_0, 512 BIT(1), BIT(1)); 513 usleep_range(5000, 5010); 514 515 snd_soc_component_update_bits(component, WCD937X_FLYBACK_EN, BIT(2), 0x00); 516 wcd_clsh_ctrl_set_state(wcd937x->clsh_info, 517 WCD_CLSH_EVENT_PRE_DAC, 518 WCD_CLSH_STATE_EAR, 519 hph_mode); 520 521 break; 522 case SND_SOC_DAPM_POST_PMD: 523 if (hph_mode == CLS_AB_HIFI || hph_mode == CLS_H_LOHIFI || 524 hph_mode == CLS_H_HIFI) 525 snd_soc_component_update_bits(component, 526 WCD937X_HPH_NEW_INT_RDAC_HD2_CTL_L, 527 0x0f, BIT(0)); 528 if (wcd937x->comp1_enable) 529 snd_soc_component_update_bits(component, 530 WCD937X_DIGITAL_CDC_COMP_CTL_0, 531 BIT(1), 0x00); 532 break; 533 } 534 535 return 0; 536 } 537 538 static int wcd937x_codec_aux_dac_event(struct snd_soc_dapm_widget *w, 539 struct snd_kcontrol *kcontrol, 540 int event) 541 { 542 struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm); 543 struct wcd937x_priv *wcd937x = snd_soc_component_get_drvdata(component); 544 int hph_mode = wcd937x->hph_mode; 545 546 switch (event) { 547 case SND_SOC_DAPM_PRE_PMU: 548 wcd937x_rx_clk_enable(component); 549 snd_soc_component_update_bits(component, 550 WCD937X_DIGITAL_CDC_ANA_CLK_CTL, 551 BIT(2), BIT(2)); 552 snd_soc_component_update_bits(component, 553 WCD937X_DIGITAL_CDC_DIG_CLK_CTL, 554 BIT(2), BIT(2)); 555 snd_soc_component_update_bits(component, 556 WCD937X_DIGITAL_CDC_AUX_GAIN_CTL, 557 BIT(0), BIT(0)); 558 wcd_clsh_ctrl_set_state(wcd937x->clsh_info, 559 WCD_CLSH_EVENT_PRE_DAC, 560 WCD_CLSH_STATE_AUX, 561 hph_mode); 562 563 break; 564 case SND_SOC_DAPM_POST_PMD: 565 snd_soc_component_update_bits(component, 566 WCD937X_DIGITAL_CDC_ANA_CLK_CTL, 567 BIT(2), 0x00); 568 break; 569 } 570 571 return 0; 572 } 573 574 static int wcd937x_codec_enable_hphr_pa(struct snd_soc_dapm_widget *w, 575 struct snd_kcontrol *kcontrol, 576 int event) 577 { 578 struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm); 579 struct wcd937x_priv *wcd937x = snd_soc_component_get_drvdata(component); 580 int hph_mode = wcd937x->hph_mode; 581 582 switch (event) { 583 case SND_SOC_DAPM_PRE_PMU: 584 wcd_clsh_ctrl_set_state(wcd937x->clsh_info, 585 WCD_CLSH_EVENT_PRE_DAC, 586 WCD_CLSH_STATE_HPHR, 587 hph_mode); 588 snd_soc_component_update_bits(component, WCD937X_ANA_HPH, 589 BIT(4), BIT(4)); 590 usleep_range(100, 110); 591 set_bit(HPH_PA_DELAY, &wcd937x->status_mask); 592 snd_soc_component_update_bits(component, 593 WCD937X_DIGITAL_PDM_WD_CTL1, 594 0x07, 0x03); 595 break; 596 case SND_SOC_DAPM_POST_PMU: 597 if (test_bit(HPH_PA_DELAY, &wcd937x->status_mask)) { 598 if (wcd937x->comp2_enable) 599 usleep_range(7000, 7100); 600 else 601 usleep_range(20000, 20100); 602 clear_bit(HPH_PA_DELAY, &wcd937x->status_mask); 603 } 604 605 snd_soc_component_update_bits(component, 606 WCD937X_HPH_NEW_INT_HPH_TIMER1, 607 BIT(1), BIT(1)); 608 if (hph_mode == CLS_AB || hph_mode == CLS_AB_HIFI) 609 snd_soc_component_update_bits(component, 610 WCD937X_ANA_RX_SUPPLIES, 611 BIT(1), BIT(1)); 612 enable_irq(wcd937x->hphr_pdm_wd_int); 613 break; 614 case SND_SOC_DAPM_PRE_PMD: 615 disable_irq_nosync(wcd937x->hphr_pdm_wd_int); 616 set_bit(HPH_PA_DELAY, &wcd937x->status_mask); 617 wcd_mbhc_event_notify(wcd937x->wcd_mbhc, WCD_EVENT_PRE_HPHR_PA_OFF); 618 break; 619 case SND_SOC_DAPM_POST_PMD: 620 if (test_bit(HPH_PA_DELAY, &wcd937x->status_mask)) { 621 if (wcd937x->comp2_enable) 622 usleep_range(7000, 7100); 623 else 624 usleep_range(20000, 20100); 625 clear_bit(HPH_PA_DELAY, &wcd937x->status_mask); 626 } 627 628 wcd_mbhc_event_notify(wcd937x->wcd_mbhc, WCD_EVENT_POST_HPHR_PA_OFF); 629 snd_soc_component_update_bits(component, 630 WCD937X_DIGITAL_PDM_WD_CTL1, 0x07, 0x00); 631 snd_soc_component_update_bits(component, WCD937X_ANA_HPH, 632 BIT(4), 0x00); 633 wcd_clsh_ctrl_set_state(wcd937x->clsh_info, 634 WCD_CLSH_EVENT_POST_PA, 635 WCD_CLSH_STATE_HPHR, 636 hph_mode); 637 break; 638 } 639 640 return 0; 641 } 642 643 static int wcd937x_codec_enable_hphl_pa(struct snd_soc_dapm_widget *w, 644 struct snd_kcontrol *kcontrol, 645 int event) 646 { 647 struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm); 648 struct wcd937x_priv *wcd937x = snd_soc_component_get_drvdata(component); 649 int hph_mode = wcd937x->hph_mode; 650 651 switch (event) { 652 case SND_SOC_DAPM_PRE_PMU: 653 wcd_clsh_ctrl_set_state(wcd937x->clsh_info, 654 WCD_CLSH_EVENT_PRE_DAC, 655 WCD_CLSH_STATE_HPHL, 656 hph_mode); 657 snd_soc_component_update_bits(component, WCD937X_ANA_HPH, 658 BIT(5), BIT(5)); 659 usleep_range(100, 110); 660 set_bit(HPH_PA_DELAY, &wcd937x->status_mask); 661 snd_soc_component_update_bits(component, 662 WCD937X_DIGITAL_PDM_WD_CTL0, 0x07, 0x03); 663 break; 664 case SND_SOC_DAPM_POST_PMU: 665 if (test_bit(HPH_PA_DELAY, &wcd937x->status_mask)) { 666 if (!wcd937x->comp1_enable) 667 usleep_range(20000, 20100); 668 else 669 usleep_range(7000, 7100); 670 clear_bit(HPH_PA_DELAY, &wcd937x->status_mask); 671 } 672 673 snd_soc_component_update_bits(component, 674 WCD937X_HPH_NEW_INT_HPH_TIMER1, 675 BIT(1), BIT(1)); 676 if (hph_mode == CLS_AB || hph_mode == CLS_AB_HIFI) 677 snd_soc_component_update_bits(component, 678 WCD937X_ANA_RX_SUPPLIES, 679 BIT(1), BIT(1)); 680 enable_irq(wcd937x->hphl_pdm_wd_int); 681 break; 682 case SND_SOC_DAPM_PRE_PMD: 683 disable_irq_nosync(wcd937x->hphl_pdm_wd_int); 684 set_bit(HPH_PA_DELAY, &wcd937x->status_mask); 685 wcd_mbhc_event_notify(wcd937x->wcd_mbhc, WCD_EVENT_PRE_HPHL_PA_OFF); 686 break; 687 case SND_SOC_DAPM_POST_PMD: 688 if (test_bit(HPH_PA_DELAY, &wcd937x->status_mask)) { 689 if (!wcd937x->comp1_enable) 690 usleep_range(20000, 20100); 691 else 692 usleep_range(7000, 7100); 693 clear_bit(HPH_PA_DELAY, &wcd937x->status_mask); 694 } 695 696 wcd_mbhc_event_notify(wcd937x->wcd_mbhc, WCD_EVENT_POST_HPHL_PA_OFF); 697 snd_soc_component_update_bits(component, 698 WCD937X_DIGITAL_PDM_WD_CTL0, 0x07, 0x00); 699 snd_soc_component_update_bits(component, 700 WCD937X_ANA_HPH, BIT(5), 0x00); 701 wcd_clsh_ctrl_set_state(wcd937x->clsh_info, 702 WCD_CLSH_EVENT_POST_PA, 703 WCD_CLSH_STATE_HPHL, 704 hph_mode); 705 break; 706 } 707 708 return 0; 709 } 710 711 static int wcd937x_codec_enable_aux_pa(struct snd_soc_dapm_widget *w, 712 struct snd_kcontrol *kcontrol, 713 int event) 714 { 715 struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm); 716 struct wcd937x_priv *wcd937x = snd_soc_component_get_drvdata(component); 717 int hph_mode = wcd937x->hph_mode; 718 719 switch (event) { 720 case SND_SOC_DAPM_PRE_PMU: 721 snd_soc_component_update_bits(component, 722 WCD937X_DIGITAL_PDM_WD_CTL2, 723 BIT(0), BIT(0)); 724 break; 725 case SND_SOC_DAPM_POST_PMU: 726 usleep_range(1000, 1010); 727 if (hph_mode == CLS_AB || hph_mode == CLS_AB_HIFI) 728 snd_soc_component_update_bits(component, 729 WCD937X_ANA_RX_SUPPLIES, 730 BIT(1), BIT(1)); 731 enable_irq(wcd937x->aux_pdm_wd_int); 732 break; 733 case SND_SOC_DAPM_PRE_PMD: 734 disable_irq_nosync(wcd937x->aux_pdm_wd_int); 735 break; 736 case SND_SOC_DAPM_POST_PMD: 737 usleep_range(2000, 2010); 738 wcd_clsh_ctrl_set_state(wcd937x->clsh_info, 739 WCD_CLSH_EVENT_POST_PA, 740 WCD_CLSH_STATE_AUX, 741 hph_mode); 742 snd_soc_component_update_bits(component, 743 WCD937X_DIGITAL_PDM_WD_CTL2, 744 BIT(0), 0x00); 745 break; 746 } 747 748 return 0; 749 } 750 751 static int wcd937x_codec_enable_ear_pa(struct snd_soc_dapm_widget *w, 752 struct snd_kcontrol *kcontrol, 753 int event) 754 { 755 struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm); 756 struct wcd937x_priv *wcd937x = snd_soc_component_get_drvdata(component); 757 int hph_mode = wcd937x->hph_mode; 758 759 switch (event) { 760 case SND_SOC_DAPM_PRE_PMU: 761 /* Enable watchdog interrupt for HPHL or AUX depending on mux value */ 762 wcd937x->ear_rx_path = snd_soc_component_read(component, 763 WCD937X_DIGITAL_CDC_EAR_PATH_CTL); 764 765 if (wcd937x->ear_rx_path & EAR_RX_PATH_AUX) 766 snd_soc_component_update_bits(component, 767 WCD937X_DIGITAL_PDM_WD_CTL2, 768 BIT(0), BIT(0)); 769 else 770 snd_soc_component_update_bits(component, 771 WCD937X_DIGITAL_PDM_WD_CTL0, 772 0x07, 0x03); 773 if (!wcd937x->comp1_enable) 774 snd_soc_component_update_bits(component, 775 WCD937X_ANA_EAR_COMPANDER_CTL, 776 BIT(7), BIT(7)); 777 break; 778 case SND_SOC_DAPM_POST_PMU: 779 usleep_range(6000, 6010); 780 if (hph_mode == CLS_AB || hph_mode == CLS_AB_HIFI) 781 snd_soc_component_update_bits(component, 782 WCD937X_ANA_RX_SUPPLIES, 783 BIT(1), BIT(1)); 784 785 if (wcd937x->ear_rx_path & EAR_RX_PATH_AUX) 786 enable_irq(wcd937x->aux_pdm_wd_int); 787 else 788 enable_irq(wcd937x->hphl_pdm_wd_int); 789 break; 790 case SND_SOC_DAPM_PRE_PMD: 791 if (wcd937x->ear_rx_path & EAR_RX_PATH_AUX) 792 disable_irq_nosync(wcd937x->aux_pdm_wd_int); 793 else 794 disable_irq_nosync(wcd937x->hphl_pdm_wd_int); 795 break; 796 case SND_SOC_DAPM_POST_PMD: 797 if (!wcd937x->comp1_enable) 798 snd_soc_component_update_bits(component, 799 WCD937X_ANA_EAR_COMPANDER_CTL, 800 BIT(7), 0x00); 801 usleep_range(7000, 7010); 802 wcd_clsh_ctrl_set_state(wcd937x->clsh_info, 803 WCD_CLSH_EVENT_POST_PA, 804 WCD_CLSH_STATE_EAR, 805 hph_mode); 806 snd_soc_component_update_bits(component, WCD937X_FLYBACK_EN, 807 BIT(2), BIT(2)); 808 809 if (wcd937x->ear_rx_path & EAR_RX_PATH_AUX) 810 snd_soc_component_update_bits(component, 811 WCD937X_DIGITAL_PDM_WD_CTL2, 812 BIT(0), 0x00); 813 else 814 snd_soc_component_update_bits(component, 815 WCD937X_DIGITAL_PDM_WD_CTL0, 816 0x07, 0x00); 817 break; 818 } 819 820 return 0; 821 } 822 823 static int wcd937x_enable_rx1(struct snd_soc_dapm_widget *w, 824 struct snd_kcontrol *kcontrol, 825 int event) 826 { 827 struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm); 828 829 if (event == SND_SOC_DAPM_POST_PMD) { 830 wcd937x_rx_clk_disable(component); 831 snd_soc_component_update_bits(component, 832 WCD937X_DIGITAL_CDC_DIG_CLK_CTL, 833 BIT(0), 0x00); 834 } 835 836 return 0; 837 } 838 839 static int wcd937x_enable_rx2(struct snd_soc_dapm_widget *w, 840 struct snd_kcontrol *kcontrol, int event) 841 { 842 struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm); 843 844 if (event == SND_SOC_DAPM_POST_PMD) { 845 wcd937x_rx_clk_disable(component); 846 snd_soc_component_update_bits(component, 847 WCD937X_DIGITAL_CDC_DIG_CLK_CTL, 848 BIT(1), 0x00); 849 } 850 851 return 0; 852 } 853 854 static int wcd937x_enable_rx3(struct snd_soc_dapm_widget *w, 855 struct snd_kcontrol *kcontrol, 856 int event) 857 { 858 struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm); 859 860 if (event == SND_SOC_DAPM_POST_PMD) { 861 usleep_range(6000, 6010); 862 wcd937x_rx_clk_disable(component); 863 snd_soc_component_update_bits(component, 864 WCD937X_DIGITAL_CDC_DIG_CLK_CTL, 865 BIT(2), 0x00); 866 } 867 868 return 0; 869 } 870 871 static int wcd937x_get_micb_vout_ctl_val(u32 micb_mv) 872 { 873 if (micb_mv < 1000 || micb_mv > 2850) { 874 pr_err("Unsupported micbias voltage (%u mV)\n", micb_mv); 875 return -EINVAL; 876 } 877 878 return (micb_mv - 1000) / 50; 879 } 880 881 static int wcd937x_tx_swr_ctrl(struct snd_soc_dapm_widget *w, 882 struct snd_kcontrol *kcontrol, int event) 883 { 884 struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm); 885 struct wcd937x_priv *wcd937x = snd_soc_component_get_drvdata(component); 886 bool use_amic3 = snd_soc_component_read(component, WCD937X_TX_NEW_TX_CH2_SEL) & BIT(7); 887 888 /* Enable BCS for Headset mic */ 889 if (event == SND_SOC_DAPM_PRE_PMU && strnstr(w->name, "ADC", sizeof("ADC"))) 890 if (w->shift == 1 && !use_amic3) 891 set_bit(AMIC2_BCS_ENABLE, &wcd937x->status_mask); 892 893 return 0; 894 } 895 896 static int wcd937x_codec_enable_adc(struct snd_soc_dapm_widget *w, 897 struct snd_kcontrol *kcontrol, int event) 898 { 899 struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm); 900 struct wcd937x_priv *wcd937x = snd_soc_component_get_drvdata(component); 901 902 switch (event) { 903 case SND_SOC_DAPM_PRE_PMU: 904 atomic_inc(&wcd937x->ana_clk_count); 905 snd_soc_component_update_bits(component, 906 WCD937X_DIGITAL_CDC_DIG_CLK_CTL, BIT(7), BIT(7)); 907 snd_soc_component_update_bits(component, 908 WCD937X_DIGITAL_CDC_ANA_CLK_CTL, BIT(3), BIT(3)); 909 snd_soc_component_update_bits(component, 910 WCD937X_DIGITAL_CDC_ANA_CLK_CTL, BIT(4), BIT(4)); 911 break; 912 case SND_SOC_DAPM_POST_PMD: 913 if (w->shift == 1 && test_bit(AMIC2_BCS_ENABLE, &wcd937x->status_mask)) 914 clear_bit(AMIC2_BCS_ENABLE, &wcd937x->status_mask); 915 916 snd_soc_component_update_bits(component, 917 WCD937X_DIGITAL_CDC_ANA_CLK_CTL, BIT(3), 0x00); 918 break; 919 } 920 921 return 0; 922 } 923 924 static int wcd937x_enable_req(struct snd_soc_dapm_widget *w, 925 struct snd_kcontrol *kcontrol, int event) 926 { 927 struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm); 928 struct wcd937x_priv *wcd937x = snd_soc_component_get_drvdata(component); 929 930 switch (event) { 931 case SND_SOC_DAPM_PRE_PMU: 932 snd_soc_component_update_bits(component, 933 WCD937X_DIGITAL_CDC_REQ_CTL, BIT(1), BIT(1)); 934 snd_soc_component_update_bits(component, 935 WCD937X_DIGITAL_CDC_REQ_CTL, BIT(0), 0x00); 936 snd_soc_component_update_bits(component, 937 WCD937X_ANA_TX_CH2, BIT(6), BIT(6)); 938 snd_soc_component_update_bits(component, 939 WCD937X_ANA_TX_CH3_HPF, BIT(6), BIT(6)); 940 snd_soc_component_update_bits(component, 941 WCD937X_DIGITAL_CDC_DIG_CLK_CTL, 0x70, 0x70); 942 snd_soc_component_update_bits(component, 943 WCD937X_ANA_TX_CH1, BIT(7), BIT(7)); 944 snd_soc_component_update_bits(component, 945 WCD937X_ANA_TX_CH2, BIT(6), 0x00); 946 snd_soc_component_update_bits(component, 947 WCD937X_ANA_TX_CH2, BIT(7), BIT(7)); 948 snd_soc_component_update_bits(component, 949 WCD937X_ANA_TX_CH3, BIT(7), BIT(7)); 950 break; 951 case SND_SOC_DAPM_POST_PMD: 952 snd_soc_component_update_bits(component, 953 WCD937X_ANA_TX_CH1, BIT(7), 0x00); 954 snd_soc_component_update_bits(component, 955 WCD937X_ANA_TX_CH2, BIT(7), 0x00); 956 snd_soc_component_update_bits(component, 957 WCD937X_ANA_TX_CH3, BIT(7), 0x00); 958 snd_soc_component_update_bits(component, 959 WCD937X_DIGITAL_CDC_DIG_CLK_CTL, BIT(4), 0x00); 960 961 atomic_dec(&wcd937x->ana_clk_count); 962 if (atomic_read(&wcd937x->ana_clk_count) <= 0) { 963 snd_soc_component_update_bits(component, 964 WCD937X_DIGITAL_CDC_ANA_CLK_CTL, 965 BIT(4), 0x00); 966 atomic_set(&wcd937x->ana_clk_count, 0); 967 } 968 969 snd_soc_component_update_bits(component, 970 WCD937X_DIGITAL_CDC_DIG_CLK_CTL, 971 BIT(7), 0x00); 972 break; 973 } 974 975 return 0; 976 } 977 978 static int wcd937x_codec_enable_dmic(struct snd_soc_dapm_widget *w, 979 struct snd_kcontrol *kcontrol, 980 int event) 981 { 982 struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm); 983 u16 dmic_clk_reg; 984 985 switch (w->shift) { 986 case 0: 987 case 1: 988 dmic_clk_reg = WCD937X_DIGITAL_CDC_DMIC1_CTL; 989 break; 990 case 2: 991 case 3: 992 dmic_clk_reg = WCD937X_DIGITAL_CDC_DMIC2_CTL; 993 break; 994 case 4: 995 case 5: 996 dmic_clk_reg = WCD937X_DIGITAL_CDC_DMIC3_CTL; 997 break; 998 default: 999 dev_err(component->dev, "Invalid DMIC Selection\n"); 1000 return -EINVAL; 1001 } 1002 1003 switch (event) { 1004 case SND_SOC_DAPM_PRE_PMU: 1005 snd_soc_component_update_bits(component, 1006 WCD937X_DIGITAL_CDC_DIG_CLK_CTL, 1007 BIT(7), BIT(7)); 1008 snd_soc_component_update_bits(component, 1009 dmic_clk_reg, 0x07, BIT(1)); 1010 snd_soc_component_update_bits(component, 1011 dmic_clk_reg, BIT(3), BIT(3)); 1012 snd_soc_component_update_bits(component, 1013 dmic_clk_reg, 0x70, BIT(5)); 1014 break; 1015 } 1016 1017 return 0; 1018 } 1019 1020 static int wcd937x_micbias_control(struct snd_soc_component *component, 1021 int micb_num, int req, bool is_dapm) 1022 { 1023 struct wcd937x_priv *wcd937x = snd_soc_component_get_drvdata(component); 1024 int micb_index = micb_num - 1; 1025 u16 micb_reg; 1026 1027 if (micb_index < 0 || (micb_index > WCD937X_MAX_MICBIAS - 1)) { 1028 dev_err(component->dev, "Invalid micbias index, micb_ind:%d\n", micb_index); 1029 return -EINVAL; 1030 } 1031 switch (micb_num) { 1032 case MIC_BIAS_1: 1033 micb_reg = WCD937X_ANA_MICB1; 1034 break; 1035 case MIC_BIAS_2: 1036 micb_reg = WCD937X_ANA_MICB2; 1037 break; 1038 case MIC_BIAS_3: 1039 micb_reg = WCD937X_ANA_MICB3; 1040 break; 1041 default: 1042 dev_err(component->dev, "Invalid micbias number: %d\n", micb_num); 1043 return -EINVAL; 1044 } 1045 1046 mutex_lock(&wcd937x->micb_lock); 1047 switch (req) { 1048 case MICB_PULLUP_ENABLE: 1049 wcd937x->pullup_ref[micb_index]++; 1050 if (wcd937x->pullup_ref[micb_index] == 1 && 1051 wcd937x->micb_ref[micb_index] == 0) 1052 snd_soc_component_update_bits(component, micb_reg, 1053 0xc0, BIT(7)); 1054 break; 1055 case MICB_PULLUP_DISABLE: 1056 if (wcd937x->pullup_ref[micb_index] > 0) 1057 wcd937x->pullup_ref[micb_index]++; 1058 if (wcd937x->pullup_ref[micb_index] == 0 && 1059 wcd937x->micb_ref[micb_index] == 0) 1060 snd_soc_component_update_bits(component, micb_reg, 1061 0xc0, 0x00); 1062 break; 1063 case MICB_ENABLE: 1064 wcd937x->micb_ref[micb_index]++; 1065 atomic_inc(&wcd937x->ana_clk_count); 1066 if (wcd937x->micb_ref[micb_index] == 1) { 1067 snd_soc_component_update_bits(component, 1068 WCD937X_DIGITAL_CDC_DIG_CLK_CTL, 1069 0xf0, 0xf0); 1070 snd_soc_component_update_bits(component, 1071 WCD937X_DIGITAL_CDC_ANA_CLK_CTL, 1072 BIT(4), BIT(4)); 1073 snd_soc_component_update_bits(component, 1074 WCD937X_MICB1_TEST_CTL_2, 1075 BIT(0), BIT(0)); 1076 snd_soc_component_update_bits(component, 1077 WCD937X_MICB2_TEST_CTL_2, 1078 BIT(0), BIT(0)); 1079 snd_soc_component_update_bits(component, 1080 WCD937X_MICB3_TEST_CTL_2, 1081 BIT(0), BIT(0)); 1082 snd_soc_component_update_bits(component, 1083 micb_reg, 0xc0, BIT(6)); 1084 1085 if (micb_num == MIC_BIAS_2) 1086 wcd_mbhc_event_notify(wcd937x->wcd_mbhc, 1087 WCD_EVENT_POST_MICBIAS_2_ON); 1088 1089 if (micb_num == MIC_BIAS_2 && is_dapm) 1090 wcd_mbhc_event_notify(wcd937x->wcd_mbhc, 1091 WCD_EVENT_POST_DAPM_MICBIAS_2_ON); 1092 } 1093 break; 1094 case MICB_DISABLE: 1095 atomic_dec(&wcd937x->ana_clk_count); 1096 if (wcd937x->micb_ref[micb_index] > 0) 1097 wcd937x->micb_ref[micb_index]--; 1098 if (wcd937x->micb_ref[micb_index] == 0 && 1099 wcd937x->pullup_ref[micb_index] > 0) 1100 snd_soc_component_update_bits(component, micb_reg, 1101 0xc0, BIT(7)); 1102 else if (wcd937x->micb_ref[micb_index] == 0 && 1103 wcd937x->pullup_ref[micb_index] == 0) { 1104 if (micb_num == MIC_BIAS_2) 1105 wcd_mbhc_event_notify(wcd937x->wcd_mbhc, 1106 WCD_EVENT_PRE_MICBIAS_2_OFF); 1107 1108 snd_soc_component_update_bits(component, micb_reg, 1109 0xc0, 0x00); 1110 if (micb_num == MIC_BIAS_2) 1111 wcd_mbhc_event_notify(wcd937x->wcd_mbhc, 1112 WCD_EVENT_POST_MICBIAS_2_OFF); 1113 } 1114 1115 if (is_dapm && micb_num == MIC_BIAS_2) 1116 wcd_mbhc_event_notify(wcd937x->wcd_mbhc, 1117 WCD_EVENT_POST_DAPM_MICBIAS_2_OFF); 1118 if (atomic_read(&wcd937x->ana_clk_count) <= 0) { 1119 snd_soc_component_update_bits(component, 1120 WCD937X_DIGITAL_CDC_ANA_CLK_CTL, 1121 BIT(4), 0x00); 1122 atomic_set(&wcd937x->ana_clk_count, 0); 1123 } 1124 break; 1125 } 1126 mutex_unlock(&wcd937x->micb_lock); 1127 1128 return 0; 1129 } 1130 1131 static int __wcd937x_codec_enable_micbias(struct snd_soc_dapm_widget *w, 1132 int event) 1133 { 1134 struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm); 1135 int micb_num = w->shift; 1136 1137 switch (event) { 1138 case SND_SOC_DAPM_PRE_PMU: 1139 wcd937x_micbias_control(component, micb_num, 1140 MICB_ENABLE, true); 1141 break; 1142 case SND_SOC_DAPM_POST_PMU: 1143 usleep_range(1000, 1100); 1144 break; 1145 case SND_SOC_DAPM_POST_PMD: 1146 wcd937x_micbias_control(component, micb_num, 1147 MICB_DISABLE, true); 1148 break; 1149 } 1150 1151 return 0; 1152 } 1153 1154 static int wcd937x_codec_enable_micbias(struct snd_soc_dapm_widget *w, 1155 struct snd_kcontrol *kcontrol, 1156 int event) 1157 { 1158 return __wcd937x_codec_enable_micbias(w, event); 1159 } 1160 1161 static int __wcd937x_codec_enable_micbias_pullup(struct snd_soc_dapm_widget *w, 1162 int event) 1163 { 1164 struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm); 1165 int micb_num = w->shift; 1166 1167 switch (event) { 1168 case SND_SOC_DAPM_PRE_PMU: 1169 wcd937x_micbias_control(component, micb_num, MICB_PULLUP_ENABLE, true); 1170 break; 1171 case SND_SOC_DAPM_POST_PMU: 1172 usleep_range(1000, 1100); 1173 break; 1174 case SND_SOC_DAPM_POST_PMD: 1175 wcd937x_micbias_control(component, micb_num, MICB_PULLUP_DISABLE, true); 1176 break; 1177 } 1178 1179 return 0; 1180 } 1181 1182 static int wcd937x_codec_enable_micbias_pullup(struct snd_soc_dapm_widget *w, 1183 struct snd_kcontrol *kcontrol, 1184 int event) 1185 { 1186 return __wcd937x_codec_enable_micbias_pullup(w, event); 1187 } 1188 1189 static int wcd937x_connect_port(struct wcd937x_sdw_priv *wcd, u8 port_idx, u8 ch_id, bool enable) 1190 { 1191 struct sdw_port_config *port_config = &wcd->port_config[port_idx - 1]; 1192 const struct wcd937x_sdw_ch_info *ch_info = &wcd->ch_info[ch_id]; 1193 u8 port_num = ch_info->port_num; 1194 u8 ch_mask = ch_info->ch_mask; 1195 1196 port_config->num = port_num; 1197 1198 if (enable) 1199 port_config->ch_mask |= ch_mask; 1200 else 1201 port_config->ch_mask &= ~ch_mask; 1202 1203 return 0; 1204 } 1205 1206 static int wcd937x_rx_hph_mode_get(struct snd_kcontrol *kcontrol, 1207 struct snd_ctl_elem_value *ucontrol) 1208 { 1209 struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol); 1210 struct wcd937x_priv *wcd937x = snd_soc_component_get_drvdata(component); 1211 1212 ucontrol->value.integer.value[0] = wcd937x->hph_mode; 1213 return 0; 1214 } 1215 1216 static int wcd937x_rx_hph_mode_put(struct snd_kcontrol *kcontrol, 1217 struct snd_ctl_elem_value *ucontrol) 1218 { 1219 struct snd_soc_component *component = 1220 snd_soc_kcontrol_component(kcontrol); 1221 struct wcd937x_priv *wcd937x = snd_soc_component_get_drvdata(component); 1222 u32 mode_val; 1223 1224 mode_val = ucontrol->value.enumerated.item[0]; 1225 1226 if (!mode_val) 1227 mode_val = CLS_AB; 1228 1229 if (mode_val == wcd937x->hph_mode) 1230 return 0; 1231 1232 switch (mode_val) { 1233 case CLS_H_NORMAL: 1234 case CLS_H_HIFI: 1235 case CLS_H_LP: 1236 case CLS_AB: 1237 case CLS_H_LOHIFI: 1238 case CLS_H_ULP: 1239 case CLS_AB_LP: 1240 case CLS_AB_HIFI: 1241 wcd937x->hph_mode = mode_val; 1242 return 1; 1243 } 1244 1245 dev_dbg(component->dev, "%s: Invalid HPH Mode\n", __func__); 1246 return -EINVAL; 1247 } 1248 1249 static int wcd937x_get_compander(struct snd_kcontrol *kcontrol, 1250 struct snd_ctl_elem_value *ucontrol) 1251 { 1252 struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol); 1253 struct wcd937x_priv *wcd937x = snd_soc_component_get_drvdata(component); 1254 struct soc_mixer_control *mc; 1255 bool hphr; 1256 1257 mc = (struct soc_mixer_control *)(kcontrol->private_value); 1258 hphr = mc->shift; 1259 1260 ucontrol->value.integer.value[0] = hphr ? wcd937x->comp2_enable : 1261 wcd937x->comp1_enable; 1262 return 0; 1263 } 1264 1265 static int wcd937x_set_compander(struct snd_kcontrol *kcontrol, 1266 struct snd_ctl_elem_value *ucontrol) 1267 { 1268 struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol); 1269 struct wcd937x_priv *wcd937x = snd_soc_component_get_drvdata(component); 1270 struct wcd937x_sdw_priv *wcd = wcd937x->sdw_priv[AIF1_PB]; 1271 int value = ucontrol->value.integer.value[0]; 1272 struct soc_mixer_control *mc; 1273 int portidx; 1274 bool hphr; 1275 1276 mc = (struct soc_mixer_control *)(kcontrol->private_value); 1277 hphr = mc->shift; 1278 1279 if (hphr) { 1280 if (value == wcd937x->comp2_enable) 1281 return 0; 1282 1283 wcd937x->comp2_enable = value; 1284 } else { 1285 if (value == wcd937x->comp1_enable) 1286 return 0; 1287 1288 wcd937x->comp1_enable = value; 1289 } 1290 1291 portidx = wcd->ch_info[mc->reg].port_num; 1292 1293 if (value) 1294 wcd937x_connect_port(wcd, portidx, mc->reg, true); 1295 else 1296 wcd937x_connect_port(wcd, portidx, mc->reg, false); 1297 1298 return 1; 1299 } 1300 1301 static int wcd937x_get_swr_port(struct snd_kcontrol *kcontrol, 1302 struct snd_ctl_elem_value *ucontrol) 1303 { 1304 struct soc_mixer_control *mixer = (struct soc_mixer_control *)kcontrol->private_value; 1305 struct snd_soc_component *comp = snd_soc_kcontrol_component(kcontrol); 1306 struct wcd937x_priv *wcd937x = snd_soc_component_get_drvdata(comp); 1307 struct wcd937x_sdw_priv *wcd; 1308 int dai_id = mixer->shift; 1309 int ch_idx = mixer->reg; 1310 int portidx; 1311 1312 wcd = wcd937x->sdw_priv[dai_id]; 1313 portidx = wcd->ch_info[ch_idx].port_num; 1314 1315 ucontrol->value.integer.value[0] = wcd->port_enable[portidx]; 1316 1317 return 0; 1318 } 1319 1320 static int wcd937x_set_swr_port(struct snd_kcontrol *kcontrol, 1321 struct snd_ctl_elem_value *ucontrol) 1322 { 1323 struct soc_mixer_control *mixer = (struct soc_mixer_control *)kcontrol->private_value; 1324 struct snd_soc_component *comp = snd_soc_kcontrol_component(kcontrol); 1325 struct wcd937x_priv *wcd937x = snd_soc_component_get_drvdata(comp); 1326 struct wcd937x_sdw_priv *wcd; 1327 int dai_id = mixer->shift; 1328 int ch_idx = mixer->reg; 1329 int portidx; 1330 bool enable; 1331 1332 wcd = wcd937x->sdw_priv[dai_id]; 1333 1334 portidx = wcd->ch_info[ch_idx].port_num; 1335 1336 enable = ucontrol->value.integer.value[0]; 1337 1338 if (enable == wcd->port_enable[portidx]) { 1339 wcd937x_connect_port(wcd, portidx, ch_idx, enable); 1340 return 0; 1341 } 1342 1343 wcd->port_enable[portidx] = enable; 1344 wcd937x_connect_port(wcd, portidx, ch_idx, enable); 1345 1346 return 1; 1347 } 1348 1349 static const char * const rx_hph_mode_mux_text[] = { 1350 "CLS_H_NORMAL", "CLS_H_INVALID", "CLS_H_HIFI", "CLS_H_LP", "CLS_AB", 1351 "CLS_H_LOHIFI", "CLS_H_ULP", "CLS_AB_LP", "CLS_AB_HIFI", 1352 }; 1353 1354 static const struct soc_enum rx_hph_mode_mux_enum = 1355 SOC_ENUM_SINGLE_EXT(ARRAY_SIZE(rx_hph_mode_mux_text), rx_hph_mode_mux_text); 1356 1357 /* MBHC related */ 1358 static void wcd937x_mbhc_clk_setup(struct snd_soc_component *component, 1359 bool enable) 1360 { 1361 snd_soc_component_write_field(component, WCD937X_MBHC_NEW_CTL_1, 1362 WCD937X_MBHC_CTL_RCO_EN_MASK, enable); 1363 } 1364 1365 static void wcd937x_mbhc_mbhc_bias_control(struct snd_soc_component *component, 1366 bool enable) 1367 { 1368 snd_soc_component_write_field(component, WCD937X_ANA_MBHC_ELECT, 1369 WCD937X_ANA_MBHC_BIAS_EN, enable); 1370 } 1371 1372 static void wcd937x_mbhc_program_btn_thr(struct snd_soc_component *component, 1373 int *btn_low, int *btn_high, 1374 int num_btn, bool is_micbias) 1375 { 1376 int i, vth; 1377 1378 if (num_btn > WCD_MBHC_DEF_BUTTONS) { 1379 dev_err(component->dev, "%s: invalid number of buttons: %d\n", 1380 __func__, num_btn); 1381 return; 1382 } 1383 1384 for (i = 0; i < num_btn; i++) { 1385 vth = ((btn_high[i] * 2) / 25) & 0x3F; 1386 snd_soc_component_write_field(component, WCD937X_ANA_MBHC_BTN0 + i, 1387 WCD937X_MBHC_BTN_VTH_MASK, vth); 1388 } 1389 } 1390 1391 static bool wcd937x_mbhc_micb_en_status(struct snd_soc_component *component, int micb_num) 1392 { 1393 u8 val; 1394 1395 if (micb_num == MIC_BIAS_2) { 1396 val = snd_soc_component_read_field(component, 1397 WCD937X_ANA_MICB2, 1398 WCD937X_ANA_MICB2_ENABLE_MASK); 1399 if (val == WCD937X_MICB_ENABLE) 1400 return true; 1401 } 1402 return false; 1403 } 1404 1405 static void wcd937x_mbhc_hph_l_pull_up_control(struct snd_soc_component *component, 1406 int pull_up_cur) 1407 { 1408 /* Default pull up current to 2uA */ 1409 if (pull_up_cur > HS_PULLUP_I_OFF || pull_up_cur < HS_PULLUP_I_3P0_UA) 1410 pull_up_cur = HS_PULLUP_I_2P0_UA; 1411 1412 snd_soc_component_write_field(component, 1413 WCD937X_MBHC_NEW_INT_MECH_DET_CURRENT, 1414 WCD937X_HSDET_PULLUP_C_MASK, pull_up_cur); 1415 } 1416 1417 static int wcd937x_mbhc_request_micbias(struct snd_soc_component *component, 1418 int micb_num, int req) 1419 { 1420 return wcd937x_micbias_control(component, micb_num, req, false); 1421 } 1422 1423 static void wcd937x_mbhc_micb_ramp_control(struct snd_soc_component *component, 1424 bool enable) 1425 { 1426 if (enable) { 1427 snd_soc_component_write_field(component, WCD937X_ANA_MICB2_RAMP, 1428 WCD937X_RAMP_SHIFT_CTRL_MASK, 0x0C); 1429 snd_soc_component_write_field(component, WCD937X_ANA_MICB2_RAMP, 1430 WCD937X_RAMP_EN_MASK, 1); 1431 } else { 1432 snd_soc_component_write_field(component, WCD937X_ANA_MICB2_RAMP, 1433 WCD937X_RAMP_EN_MASK, 0); 1434 snd_soc_component_write_field(component, WCD937X_ANA_MICB2_RAMP, 1435 WCD937X_RAMP_SHIFT_CTRL_MASK, 0); 1436 } 1437 } 1438 1439 static int wcd937x_mbhc_micb_adjust_voltage(struct snd_soc_component *component, 1440 int req_volt, int micb_num) 1441 { 1442 struct wcd937x_priv *wcd937x = snd_soc_component_get_drvdata(component); 1443 int cur_vout_ctl, req_vout_ctl, micb_reg, micb_en, ret = 0; 1444 1445 switch (micb_num) { 1446 case MIC_BIAS_1: 1447 micb_reg = WCD937X_ANA_MICB1; 1448 break; 1449 case MIC_BIAS_2: 1450 micb_reg = WCD937X_ANA_MICB2; 1451 break; 1452 case MIC_BIAS_3: 1453 micb_reg = WCD937X_ANA_MICB3; 1454 break; 1455 default: 1456 return -EINVAL; 1457 } 1458 mutex_lock(&wcd937x->micb_lock); 1459 /* 1460 * If requested micbias voltage is same as current micbias 1461 * voltage, then just return. Otherwise, adjust voltage as 1462 * per requested value. If micbias is already enabled, then 1463 * to avoid slow micbias ramp-up or down enable pull-up 1464 * momentarily, change the micbias value and then re-enable 1465 * micbias. 1466 */ 1467 micb_en = snd_soc_component_read_field(component, micb_reg, 1468 WCD937X_MICB_EN_MASK); 1469 cur_vout_ctl = snd_soc_component_read_field(component, micb_reg, 1470 WCD937X_MICB_VOUT_MASK); 1471 1472 req_vout_ctl = wcd937x_get_micb_vout_ctl_val(req_volt); 1473 if (req_vout_ctl < 0) { 1474 ret = -EINVAL; 1475 goto exit; 1476 } 1477 1478 if (cur_vout_ctl == req_vout_ctl) { 1479 ret = 0; 1480 goto exit; 1481 } 1482 1483 if (micb_en == WCD937X_MICB_ENABLE) 1484 snd_soc_component_write_field(component, micb_reg, 1485 WCD937X_MICB_EN_MASK, 1486 WCD937X_MICB_PULL_UP); 1487 1488 snd_soc_component_write_field(component, micb_reg, 1489 WCD937X_MICB_VOUT_MASK, 1490 req_vout_ctl); 1491 1492 if (micb_en == WCD937X_MICB_ENABLE) { 1493 snd_soc_component_write_field(component, micb_reg, 1494 WCD937X_MICB_EN_MASK, 1495 WCD937X_MICB_ENABLE); 1496 /* 1497 * Add 2ms delay as per HW requirement after enabling 1498 * micbias 1499 */ 1500 usleep_range(2000, 2100); 1501 } 1502 exit: 1503 mutex_unlock(&wcd937x->micb_lock); 1504 return ret; 1505 } 1506 1507 static int wcd937x_mbhc_micb_ctrl_threshold_mic(struct snd_soc_component *component, 1508 int micb_num, bool req_en) 1509 { 1510 struct wcd937x_priv *wcd937x = snd_soc_component_get_drvdata(component); 1511 int micb_mv; 1512 1513 if (micb_num != MIC_BIAS_2) 1514 return -EINVAL; 1515 /* 1516 * If device tree micbias level is already above the minimum 1517 * voltage needed to detect threshold microphone, then do 1518 * not change the micbias, just return. 1519 */ 1520 if (wcd937x->micb2_mv >= WCD_MBHC_THR_HS_MICB_MV) 1521 return 0; 1522 1523 micb_mv = req_en ? WCD_MBHC_THR_HS_MICB_MV : wcd937x->micb2_mv; 1524 1525 return wcd937x_mbhc_micb_adjust_voltage(component, micb_mv, MIC_BIAS_2); 1526 } 1527 1528 static void wcd937x_mbhc_get_result_params(struct snd_soc_component *component, 1529 s16 *d1_a, u16 noff, 1530 int32_t *zdet) 1531 { 1532 struct wcd937x_priv *wcd937x = snd_soc_component_get_drvdata(component); 1533 int i; 1534 int val, val1; 1535 s16 c1; 1536 s32 x1, d1; 1537 s32 denom; 1538 static const int minCode_param[] = { 1539 3277, 1639, 820, 410, 205, 103, 52, 26 1540 }; 1541 1542 regmap_update_bits(wcd937x->regmap, WCD937X_ANA_MBHC_ZDET, 0x20, 0x20); 1543 for (i = 0; i < WCD937X_ZDET_NUM_MEASUREMENTS; i++) { 1544 regmap_read(wcd937x->regmap, WCD937X_ANA_MBHC_RESULT_2, &val); 1545 if (val & 0x80) 1546 break; 1547 } 1548 val = val << 0x8; 1549 regmap_read(wcd937x->regmap, WCD937X_ANA_MBHC_RESULT_1, &val1); 1550 val |= val1; 1551 regmap_update_bits(wcd937x->regmap, WCD937X_ANA_MBHC_ZDET, 0x20, 0x00); 1552 x1 = WCD937X_MBHC_GET_X1(val); 1553 c1 = WCD937X_MBHC_GET_C1(val); 1554 /* If ramp is not complete, give additional 5ms */ 1555 if (c1 < 2 && x1) 1556 usleep_range(5000, 5050); 1557 1558 if (!c1 || !x1) { 1559 dev_err(component->dev, "Impedance detect ramp error, c1=%d, x1=0x%x\n", 1560 c1, x1); 1561 goto ramp_down; 1562 } 1563 d1 = d1_a[c1]; 1564 denom = (x1 * d1) - (1 << (14 - noff)); 1565 if (denom > 0) 1566 *zdet = (WCD937X_MBHC_ZDET_CONST * 1000) / denom; 1567 else if (x1 < minCode_param[noff]) 1568 *zdet = WCD937X_ZDET_FLOATING_IMPEDANCE; 1569 1570 dev_err(component->dev, "%s: d1=%d, c1=%d, x1=0x%x, z_val=%d (milliohm)\n", 1571 __func__, d1, c1, x1, *zdet); 1572 ramp_down: 1573 i = 0; 1574 while (x1) { 1575 regmap_read(wcd937x->regmap, 1576 WCD937X_ANA_MBHC_RESULT_1, &val); 1577 regmap_read(wcd937x->regmap, 1578 WCD937X_ANA_MBHC_RESULT_2, &val1); 1579 val = val << 0x08; 1580 val |= val1; 1581 x1 = WCD937X_MBHC_GET_X1(val); 1582 i++; 1583 if (i == WCD937X_ZDET_NUM_MEASUREMENTS) 1584 break; 1585 } 1586 } 1587 1588 static void wcd937x_mbhc_zdet_ramp(struct snd_soc_component *component, 1589 struct wcd937x_mbhc_zdet_param *zdet_param, 1590 s32 *zl, s32 *zr, s16 *d1_a) 1591 { 1592 struct wcd937x_priv *wcd937x = snd_soc_component_get_drvdata(component); 1593 s32 zdet = 0; 1594 1595 snd_soc_component_write_field(component, WCD937X_MBHC_NEW_ZDET_ANA_CTL, 1596 WCD937X_ZDET_MAXV_CTL_MASK, zdet_param->ldo_ctl); 1597 snd_soc_component_update_bits(component, WCD937X_ANA_MBHC_BTN5, 1598 WCD937X_VTH_MASK, zdet_param->btn5); 1599 snd_soc_component_update_bits(component, WCD937X_ANA_MBHC_BTN6, 1600 WCD937X_VTH_MASK, zdet_param->btn6); 1601 snd_soc_component_update_bits(component, WCD937X_ANA_MBHC_BTN7, 1602 WCD937X_VTH_MASK, zdet_param->btn7); 1603 snd_soc_component_write_field(component, WCD937X_MBHC_NEW_ZDET_ANA_CTL, 1604 WCD937X_ZDET_RANGE_CTL_MASK, zdet_param->noff); 1605 snd_soc_component_update_bits(component, WCD937X_MBHC_NEW_ZDET_RAMP_CTL, 1606 0x0F, zdet_param->nshift); 1607 1608 if (!zl) 1609 goto z_right; 1610 /* Start impedance measurement for HPH_L */ 1611 regmap_update_bits(wcd937x->regmap, 1612 WCD937X_ANA_MBHC_ZDET, 0x80, 0x80); 1613 wcd937x_mbhc_get_result_params(component, d1_a, zdet_param->noff, &zdet); 1614 regmap_update_bits(wcd937x->regmap, 1615 WCD937X_ANA_MBHC_ZDET, 0x80, 0x00); 1616 1617 *zl = zdet; 1618 1619 z_right: 1620 if (!zr) 1621 return; 1622 /* Start impedance measurement for HPH_R */ 1623 regmap_update_bits(wcd937x->regmap, 1624 WCD937X_ANA_MBHC_ZDET, 0x40, 0x40); 1625 wcd937x_mbhc_get_result_params(component, d1_a, zdet_param->noff, &zdet); 1626 regmap_update_bits(wcd937x->regmap, 1627 WCD937X_ANA_MBHC_ZDET, 0x40, 0x00); 1628 1629 *zr = zdet; 1630 } 1631 1632 static void wcd937x_wcd_mbhc_qfuse_cal(struct snd_soc_component *component, 1633 s32 *z_val, int flag_l_r) 1634 { 1635 s16 q1; 1636 int q1_cal; 1637 1638 if (*z_val < (WCD937X_ZDET_VAL_400 / 1000)) 1639 q1 = snd_soc_component_read(component, 1640 WCD937X_DIGITAL_EFUSE_REG_23 + (2 * flag_l_r)); 1641 else 1642 q1 = snd_soc_component_read(component, 1643 WCD937X_DIGITAL_EFUSE_REG_24 + (2 * flag_l_r)); 1644 if (q1 & 0x80) 1645 q1_cal = (10000 - ((q1 & 0x7F) * 25)); 1646 else 1647 q1_cal = (10000 + (q1 * 25)); 1648 if (q1_cal > 0) 1649 *z_val = ((*z_val) * 10000) / q1_cal; 1650 } 1651 1652 static void wcd937x_wcd_mbhc_calc_impedance(struct snd_soc_component *component, 1653 u32 *zl, u32 *zr) 1654 { 1655 struct wcd937x_priv *wcd937x = snd_soc_component_get_drvdata(component); 1656 s16 reg0, reg1, reg2, reg3, reg4; 1657 s32 z1l, z1r, z1ls; 1658 int zMono, z_diff1, z_diff2; 1659 bool is_fsm_disable = false; 1660 struct wcd937x_mbhc_zdet_param zdet_param[] = { 1661 {4, 0, 4, 0x08, 0x14, 0x18}, /* < 32ohm */ 1662 {2, 0, 3, 0x18, 0x7C, 0x90}, /* 32ohm < Z < 400ohm */ 1663 {1, 4, 5, 0x18, 0x7C, 0x90}, /* 400ohm < Z < 1200ohm */ 1664 {1, 6, 7, 0x18, 0x7C, 0x90}, /* >1200ohm */ 1665 }; 1666 struct wcd937x_mbhc_zdet_param *zdet_param_ptr = NULL; 1667 s16 d1_a[][4] = { 1668 {0, 30, 90, 30}, 1669 {0, 30, 30, 5}, 1670 {0, 30, 30, 5}, 1671 {0, 30, 30, 5}, 1672 }; 1673 s16 *d1 = NULL; 1674 1675 reg0 = snd_soc_component_read(component, WCD937X_ANA_MBHC_BTN5); 1676 reg1 = snd_soc_component_read(component, WCD937X_ANA_MBHC_BTN6); 1677 reg2 = snd_soc_component_read(component, WCD937X_ANA_MBHC_BTN7); 1678 reg3 = snd_soc_component_read(component, WCD937X_MBHC_CTL_CLK); 1679 reg4 = snd_soc_component_read(component, WCD937X_MBHC_NEW_ZDET_ANA_CTL); 1680 1681 if (snd_soc_component_read(component, WCD937X_ANA_MBHC_ELECT) & 0x80) { 1682 is_fsm_disable = true; 1683 regmap_update_bits(wcd937x->regmap, 1684 WCD937X_ANA_MBHC_ELECT, 0x80, 0x00); 1685 } 1686 1687 /* For NO-jack, disable L_DET_EN before Z-det measurements */ 1688 if (wcd937x->mbhc_cfg.hphl_swh) 1689 regmap_update_bits(wcd937x->regmap, 1690 WCD937X_ANA_MBHC_MECH, 0x80, 0x00); 1691 1692 /* Turn off 100k pull down on HPHL */ 1693 regmap_update_bits(wcd937x->regmap, 1694 WCD937X_ANA_MBHC_MECH, 0x01, 0x00); 1695 1696 /* Disable surge protection before impedance detection. 1697 * This is done to give correct value for high impedance. 1698 */ 1699 regmap_update_bits(wcd937x->regmap, 1700 WCD937X_HPH_SURGE_HPHLR_SURGE_EN, 0xC0, 0x00); 1701 /* 1ms delay needed after disable surge protection */ 1702 usleep_range(1000, 1010); 1703 1704 /* First get impedance on Left */ 1705 d1 = d1_a[1]; 1706 zdet_param_ptr = &zdet_param[1]; 1707 wcd937x_mbhc_zdet_ramp(component, zdet_param_ptr, &z1l, NULL, d1); 1708 1709 if (!WCD937X_MBHC_IS_SECOND_RAMP_REQUIRED(z1l)) 1710 goto left_ch_impedance; 1711 1712 /* Second ramp for left ch */ 1713 if (z1l < WCD937X_ZDET_VAL_32) { 1714 zdet_param_ptr = &zdet_param[0]; 1715 d1 = d1_a[0]; 1716 } else if ((z1l > WCD937X_ZDET_VAL_400) && 1717 (z1l <= WCD937X_ZDET_VAL_1200)) { 1718 zdet_param_ptr = &zdet_param[2]; 1719 d1 = d1_a[2]; 1720 } else if (z1l > WCD937X_ZDET_VAL_1200) { 1721 zdet_param_ptr = &zdet_param[3]; 1722 d1 = d1_a[3]; 1723 } 1724 wcd937x_mbhc_zdet_ramp(component, zdet_param_ptr, &z1l, NULL, d1); 1725 1726 left_ch_impedance: 1727 if (z1l == WCD937X_ZDET_FLOATING_IMPEDANCE || 1728 z1l > WCD937X_ZDET_VAL_100K) { 1729 *zl = WCD937X_ZDET_FLOATING_IMPEDANCE; 1730 zdet_param_ptr = &zdet_param[1]; 1731 d1 = d1_a[1]; 1732 } else { 1733 *zl = z1l / 1000; 1734 wcd937x_wcd_mbhc_qfuse_cal(component, zl, 0); 1735 } 1736 1737 /* Start of right impedance ramp and calculation */ 1738 wcd937x_mbhc_zdet_ramp(component, zdet_param_ptr, NULL, &z1r, d1); 1739 if (WCD937X_MBHC_IS_SECOND_RAMP_REQUIRED(z1r)) { 1740 if ((z1r > WCD937X_ZDET_VAL_1200 && 1741 zdet_param_ptr->noff == 0x6) || 1742 ((*zl) != WCD937X_ZDET_FLOATING_IMPEDANCE)) 1743 goto right_ch_impedance; 1744 /* Second ramp for right ch */ 1745 if (z1r < WCD937X_ZDET_VAL_32) { 1746 zdet_param_ptr = &zdet_param[0]; 1747 d1 = d1_a[0]; 1748 } else if ((z1r > WCD937X_ZDET_VAL_400) && 1749 (z1r <= WCD937X_ZDET_VAL_1200)) { 1750 zdet_param_ptr = &zdet_param[2]; 1751 d1 = d1_a[2]; 1752 } else if (z1r > WCD937X_ZDET_VAL_1200) { 1753 zdet_param_ptr = &zdet_param[3]; 1754 d1 = d1_a[3]; 1755 } 1756 wcd937x_mbhc_zdet_ramp(component, zdet_param_ptr, NULL, &z1r, d1); 1757 } 1758 right_ch_impedance: 1759 if (z1r == WCD937X_ZDET_FLOATING_IMPEDANCE || 1760 z1r > WCD937X_ZDET_VAL_100K) { 1761 *zr = WCD937X_ZDET_FLOATING_IMPEDANCE; 1762 } else { 1763 *zr = z1r / 1000; 1764 wcd937x_wcd_mbhc_qfuse_cal(component, zr, 1); 1765 } 1766 1767 /* Mono/stereo detection */ 1768 if ((*zl == WCD937X_ZDET_FLOATING_IMPEDANCE) && 1769 (*zr == WCD937X_ZDET_FLOATING_IMPEDANCE)) { 1770 dev_err(component->dev, 1771 "%s: plug type is invalid or extension cable\n", 1772 __func__); 1773 goto zdet_complete; 1774 } 1775 if ((*zl == WCD937X_ZDET_FLOATING_IMPEDANCE) || 1776 (*zr == WCD937X_ZDET_FLOATING_IMPEDANCE) || 1777 ((*zl < WCD_MONO_HS_MIN_THR) && (*zr > WCD_MONO_HS_MIN_THR)) || 1778 ((*zl > WCD_MONO_HS_MIN_THR) && (*zr < WCD_MONO_HS_MIN_THR))) { 1779 wcd_mbhc_set_hph_type(wcd937x->wcd_mbhc, WCD_MBHC_HPH_MONO); 1780 goto zdet_complete; 1781 } 1782 snd_soc_component_write_field(component, WCD937X_HPH_R_ATEST, 1783 WCD937X_HPHPA_GND_OVR_MASK, 1); 1784 snd_soc_component_write_field(component, WCD937X_HPH_PA_CTL2, 1785 WCD937X_HPHPA_GND_R_MASK, 1); 1786 if (*zl < (WCD937X_ZDET_VAL_32 / 1000)) 1787 wcd937x_mbhc_zdet_ramp(component, &zdet_param[0], &z1ls, NULL, d1); 1788 else 1789 wcd937x_mbhc_zdet_ramp(component, &zdet_param[1], &z1ls, NULL, d1); 1790 snd_soc_component_write_field(component, WCD937X_HPH_PA_CTL2, 1791 WCD937X_HPHPA_GND_R_MASK, 0); 1792 snd_soc_component_write_field(component, WCD937X_HPH_R_ATEST, 1793 WCD937X_HPHPA_GND_OVR_MASK, 0); 1794 z1ls /= 1000; 1795 wcd937x_wcd_mbhc_qfuse_cal(component, &z1ls, 0); 1796 /* Parallel of left Z and 9 ohm pull down resistor */ 1797 zMono = ((*zl) * 9) / ((*zl) + 9); 1798 z_diff1 = (z1ls > zMono) ? (z1ls - zMono) : (zMono - z1ls); 1799 z_diff2 = ((*zl) > z1ls) ? ((*zl) - z1ls) : (z1ls - (*zl)); 1800 if ((z_diff1 * (*zl + z1ls)) > (z_diff2 * (z1ls + zMono))) 1801 wcd_mbhc_set_hph_type(wcd937x->wcd_mbhc, WCD_MBHC_HPH_STEREO); 1802 else 1803 wcd_mbhc_set_hph_type(wcd937x->wcd_mbhc, WCD_MBHC_HPH_MONO); 1804 1805 /* Enable surge protection again after impedance detection */ 1806 regmap_update_bits(wcd937x->regmap, 1807 WCD937X_HPH_SURGE_HPHLR_SURGE_EN, 0xC0, 0xC0); 1808 zdet_complete: 1809 snd_soc_component_write(component, WCD937X_ANA_MBHC_BTN5, reg0); 1810 snd_soc_component_write(component, WCD937X_ANA_MBHC_BTN6, reg1); 1811 snd_soc_component_write(component, WCD937X_ANA_MBHC_BTN7, reg2); 1812 /* Turn on 100k pull down on HPHL */ 1813 regmap_update_bits(wcd937x->regmap, 1814 WCD937X_ANA_MBHC_MECH, 0x01, 0x01); 1815 1816 /* For NO-jack, re-enable L_DET_EN after Z-det measurements */ 1817 if (wcd937x->mbhc_cfg.hphl_swh) 1818 regmap_update_bits(wcd937x->regmap, 1819 WCD937X_ANA_MBHC_MECH, 0x80, 0x80); 1820 1821 snd_soc_component_write(component, WCD937X_MBHC_NEW_ZDET_ANA_CTL, reg4); 1822 snd_soc_component_write(component, WCD937X_MBHC_CTL_CLK, reg3); 1823 if (is_fsm_disable) 1824 regmap_update_bits(wcd937x->regmap, 1825 WCD937X_ANA_MBHC_ELECT, 0x80, 0x80); 1826 } 1827 1828 static void wcd937x_mbhc_gnd_det_ctrl(struct snd_soc_component *component, 1829 bool enable) 1830 { 1831 if (enable) { 1832 snd_soc_component_write_field(component, WCD937X_ANA_MBHC_MECH, 1833 WCD937X_MBHC_HSG_PULLUP_COMP_EN, 1); 1834 snd_soc_component_write_field(component, WCD937X_ANA_MBHC_MECH, 1835 WCD937X_MBHC_GND_DET_EN_MASK, 1); 1836 } else { 1837 snd_soc_component_write_field(component, WCD937X_ANA_MBHC_MECH, 1838 WCD937X_MBHC_GND_DET_EN_MASK, 0); 1839 snd_soc_component_write_field(component, WCD937X_ANA_MBHC_MECH, 1840 WCD937X_MBHC_HSG_PULLUP_COMP_EN, 0); 1841 } 1842 } 1843 1844 static void wcd937x_mbhc_hph_pull_down_ctrl(struct snd_soc_component *component, 1845 bool enable) 1846 { 1847 snd_soc_component_write_field(component, WCD937X_HPH_PA_CTL2, 1848 WCD937X_HPHPA_GND_R_MASK, enable); 1849 snd_soc_component_write_field(component, WCD937X_HPH_PA_CTL2, 1850 WCD937X_HPHPA_GND_L_MASK, enable); 1851 } 1852 1853 static void wcd937x_mbhc_moisture_config(struct snd_soc_component *component) 1854 { 1855 struct wcd937x_priv *wcd937x = snd_soc_component_get_drvdata(component); 1856 1857 if (wcd937x->mbhc_cfg.moist_rref == R_OFF) { 1858 snd_soc_component_write_field(component, WCD937X_MBHC_NEW_CTL_2, 1859 WCD937X_M_RTH_CTL_MASK, R_OFF); 1860 return; 1861 } 1862 1863 /* Do not enable moisture detection if jack type is NC */ 1864 if (!wcd937x->mbhc_cfg.hphl_swh) { 1865 dev_err(component->dev, "%s: disable moisture detection for NC\n", 1866 __func__); 1867 snd_soc_component_write_field(component, WCD937X_MBHC_NEW_CTL_2, 1868 WCD937X_M_RTH_CTL_MASK, R_OFF); 1869 return; 1870 } 1871 1872 snd_soc_component_write_field(component, WCD937X_MBHC_NEW_CTL_2, 1873 WCD937X_M_RTH_CTL_MASK, wcd937x->mbhc_cfg.moist_rref); 1874 } 1875 1876 static void wcd937x_mbhc_moisture_detect_en(struct snd_soc_component *component, bool enable) 1877 { 1878 struct wcd937x_priv *wcd937x = snd_soc_component_get_drvdata(component); 1879 1880 if (enable) 1881 snd_soc_component_write_field(component, WCD937X_MBHC_NEW_CTL_2, 1882 WCD937X_M_RTH_CTL_MASK, wcd937x->mbhc_cfg.moist_rref); 1883 else 1884 snd_soc_component_write_field(component, WCD937X_MBHC_NEW_CTL_2, 1885 WCD937X_M_RTH_CTL_MASK, R_OFF); 1886 } 1887 1888 static bool wcd937x_mbhc_get_moisture_status(struct snd_soc_component *component) 1889 { 1890 struct wcd937x_priv *wcd937x = snd_soc_component_get_drvdata(component); 1891 bool ret = false; 1892 1893 if (wcd937x->mbhc_cfg.moist_rref == R_OFF) { 1894 snd_soc_component_write_field(component, WCD937X_MBHC_NEW_CTL_2, 1895 WCD937X_M_RTH_CTL_MASK, R_OFF); 1896 goto done; 1897 } 1898 1899 /* Do not enable moisture detection if jack type is NC */ 1900 if (!wcd937x->mbhc_cfg.hphl_swh) { 1901 dev_err(component->dev, "%s: disable moisture detection for NC\n", 1902 __func__); 1903 snd_soc_component_write_field(component, WCD937X_MBHC_NEW_CTL_2, 1904 WCD937X_M_RTH_CTL_MASK, R_OFF); 1905 goto done; 1906 } 1907 1908 /* 1909 * If moisture_en is already enabled, then skip to plug type 1910 * detection. 1911 */ 1912 if (snd_soc_component_read_field(component, WCD937X_MBHC_NEW_CTL_2, WCD937X_M_RTH_CTL_MASK)) 1913 goto done; 1914 1915 wcd937x_mbhc_moisture_detect_en(component, true); 1916 /* Read moisture comparator status */ 1917 ret = ((snd_soc_component_read(component, WCD937X_MBHC_NEW_FSM_STATUS) 1918 & 0x20) ? 0 : 1); 1919 done: 1920 return ret; 1921 } 1922 1923 static void wcd937x_mbhc_moisture_polling_ctrl(struct snd_soc_component *component, 1924 bool enable) 1925 { 1926 snd_soc_component_write_field(component, 1927 WCD937X_MBHC_NEW_INT_MOISTURE_DET_POLLING_CTRL, 1928 WCD937X_MOISTURE_EN_POLLING_MASK, enable); 1929 } 1930 1931 static const struct wcd_mbhc_cb mbhc_cb = { 1932 .clk_setup = wcd937x_mbhc_clk_setup, 1933 .mbhc_bias = wcd937x_mbhc_mbhc_bias_control, 1934 .set_btn_thr = wcd937x_mbhc_program_btn_thr, 1935 .micbias_enable_status = wcd937x_mbhc_micb_en_status, 1936 .hph_pull_up_control_v2 = wcd937x_mbhc_hph_l_pull_up_control, 1937 .mbhc_micbias_control = wcd937x_mbhc_request_micbias, 1938 .mbhc_micb_ramp_control = wcd937x_mbhc_micb_ramp_control, 1939 .mbhc_micb_ctrl_thr_mic = wcd937x_mbhc_micb_ctrl_threshold_mic, 1940 .compute_impedance = wcd937x_wcd_mbhc_calc_impedance, 1941 .mbhc_gnd_det_ctrl = wcd937x_mbhc_gnd_det_ctrl, 1942 .hph_pull_down_ctrl = wcd937x_mbhc_hph_pull_down_ctrl, 1943 .mbhc_moisture_config = wcd937x_mbhc_moisture_config, 1944 .mbhc_get_moisture_status = wcd937x_mbhc_get_moisture_status, 1945 .mbhc_moisture_polling_ctrl = wcd937x_mbhc_moisture_polling_ctrl, 1946 .mbhc_moisture_detect_en = wcd937x_mbhc_moisture_detect_en, 1947 }; 1948 1949 static int wcd937x_get_hph_type(struct snd_kcontrol *kcontrol, 1950 struct snd_ctl_elem_value *ucontrol) 1951 { 1952 struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol); 1953 struct wcd937x_priv *wcd937x = snd_soc_component_get_drvdata(component); 1954 1955 ucontrol->value.integer.value[0] = wcd_mbhc_get_hph_type(wcd937x->wcd_mbhc); 1956 1957 return 0; 1958 } 1959 1960 static int wcd937x_hph_impedance_get(struct snd_kcontrol *kcontrol, 1961 struct snd_ctl_elem_value *ucontrol) 1962 { 1963 u32 zl, zr; 1964 bool hphr; 1965 struct soc_mixer_control *mc; 1966 struct snd_soc_component *component = 1967 snd_soc_kcontrol_component(kcontrol); 1968 struct wcd937x_priv *wcd937x = snd_soc_component_get_drvdata(component); 1969 1970 mc = (struct soc_mixer_control *)(kcontrol->private_value); 1971 hphr = mc->shift; 1972 wcd_mbhc_get_impedance(wcd937x->wcd_mbhc, &zl, &zr); 1973 ucontrol->value.integer.value[0] = hphr ? zr : zl; 1974 1975 return 0; 1976 } 1977 1978 static const struct snd_kcontrol_new hph_type_detect_controls[] = { 1979 SOC_SINGLE_EXT("HPH Type", 0, 0, WCD_MBHC_HPH_STEREO, 0, 1980 wcd937x_get_hph_type, NULL), 1981 }; 1982 1983 static const struct snd_kcontrol_new impedance_detect_controls[] = { 1984 SOC_SINGLE_EXT("HPHL Impedance", 0, 0, INT_MAX, 0, 1985 wcd937x_hph_impedance_get, NULL), 1986 SOC_SINGLE_EXT("HPHR Impedance", 0, 1, INT_MAX, 0, 1987 wcd937x_hph_impedance_get, NULL), 1988 }; 1989 1990 static int wcd937x_mbhc_init(struct snd_soc_component *component) 1991 { 1992 struct wcd937x_priv *wcd937x = snd_soc_component_get_drvdata(component); 1993 struct wcd_mbhc_intr *intr_ids = &wcd937x->intr_ids; 1994 1995 intr_ids->mbhc_sw_intr = regmap_irq_get_virq(wcd937x->irq_chip, 1996 WCD937X_IRQ_MBHC_SW_DET); 1997 intr_ids->mbhc_btn_press_intr = regmap_irq_get_virq(wcd937x->irq_chip, 1998 WCD937X_IRQ_MBHC_BUTTON_PRESS_DET); 1999 intr_ids->mbhc_btn_release_intr = regmap_irq_get_virq(wcd937x->irq_chip, 2000 WCD937X_IRQ_MBHC_BUTTON_RELEASE_DET); 2001 intr_ids->mbhc_hs_ins_intr = regmap_irq_get_virq(wcd937x->irq_chip, 2002 WCD937X_IRQ_MBHC_ELECT_INS_REM_LEG_DET); 2003 intr_ids->mbhc_hs_rem_intr = regmap_irq_get_virq(wcd937x->irq_chip, 2004 WCD937X_IRQ_MBHC_ELECT_INS_REM_DET); 2005 intr_ids->hph_left_ocp = regmap_irq_get_virq(wcd937x->irq_chip, 2006 WCD937X_IRQ_HPHL_OCP_INT); 2007 intr_ids->hph_right_ocp = regmap_irq_get_virq(wcd937x->irq_chip, 2008 WCD937X_IRQ_HPHR_OCP_INT); 2009 2010 wcd937x->wcd_mbhc = wcd_mbhc_init(component, &mbhc_cb, intr_ids, wcd_mbhc_fields, true); 2011 if (IS_ERR(wcd937x->wcd_mbhc)) 2012 return PTR_ERR(wcd937x->wcd_mbhc); 2013 2014 snd_soc_add_component_controls(component, impedance_detect_controls, 2015 ARRAY_SIZE(impedance_detect_controls)); 2016 snd_soc_add_component_controls(component, hph_type_detect_controls, 2017 ARRAY_SIZE(hph_type_detect_controls)); 2018 2019 return 0; 2020 } 2021 2022 static void wcd937x_mbhc_deinit(struct snd_soc_component *component) 2023 { 2024 struct wcd937x_priv *wcd937x = snd_soc_component_get_drvdata(component); 2025 2026 wcd_mbhc_deinit(wcd937x->wcd_mbhc); 2027 } 2028 2029 /* END MBHC */ 2030 2031 static const struct snd_kcontrol_new wcd937x_snd_controls[] = { 2032 SOC_SINGLE_TLV("EAR_PA Volume", WCD937X_ANA_EAR_COMPANDER_CTL, 2033 2, 0x10, 0, ear_pa_gain), 2034 SOC_ENUM_EXT("RX HPH Mode", rx_hph_mode_mux_enum, 2035 wcd937x_rx_hph_mode_get, wcd937x_rx_hph_mode_put), 2036 2037 SOC_SINGLE_EXT("HPHL_COMP Switch", SND_SOC_NOPM, 0, 1, 0, 2038 wcd937x_get_compander, wcd937x_set_compander), 2039 SOC_SINGLE_EXT("HPHR_COMP Switch", SND_SOC_NOPM, 1, 1, 0, 2040 wcd937x_get_compander, wcd937x_set_compander), 2041 2042 SOC_SINGLE_TLV("HPHL Volume", WCD937X_HPH_L_EN, 0, 20, 1, line_gain), 2043 SOC_SINGLE_TLV("HPHR Volume", WCD937X_HPH_R_EN, 0, 20, 1, line_gain), 2044 SOC_SINGLE_TLV("ADC1 Volume", WCD937X_ANA_TX_CH1, 0, 20, 0, analog_gain), 2045 SOC_SINGLE_TLV("ADC2 Volume", WCD937X_ANA_TX_CH2, 0, 20, 0, analog_gain), 2046 SOC_SINGLE_TLV("ADC3 Volume", WCD937X_ANA_TX_CH3, 0, 20, 0, analog_gain), 2047 2048 SOC_SINGLE_EXT("HPHL Switch", WCD937X_HPH_L, 0, 1, 0, 2049 wcd937x_get_swr_port, wcd937x_set_swr_port), 2050 SOC_SINGLE_EXT("HPHR Switch", WCD937X_HPH_R, 0, 1, 0, 2051 wcd937x_get_swr_port, wcd937x_set_swr_port), 2052 2053 SOC_SINGLE_EXT("ADC1 Switch", WCD937X_ADC1, 1, 1, 0, 2054 wcd937x_get_swr_port, wcd937x_set_swr_port), 2055 SOC_SINGLE_EXT("ADC2 Switch", WCD937X_ADC2, 1, 1, 0, 2056 wcd937x_get_swr_port, wcd937x_set_swr_port), 2057 SOC_SINGLE_EXT("ADC3 Switch", WCD937X_ADC3, 1, 1, 0, 2058 wcd937x_get_swr_port, wcd937x_set_swr_port), 2059 SOC_SINGLE_EXT("DMIC0 Switch", WCD937X_DMIC0, 1, 1, 0, 2060 wcd937x_get_swr_port, wcd937x_set_swr_port), 2061 SOC_SINGLE_EXT("DMIC1 Switch", WCD937X_DMIC1, 1, 1, 0, 2062 wcd937x_get_swr_port, wcd937x_set_swr_port), 2063 SOC_SINGLE_EXT("MBHC Switch", WCD937X_MBHC, 1, 1, 0, 2064 wcd937x_get_swr_port, wcd937x_set_swr_port), 2065 SOC_SINGLE_EXT("DMIC2 Switch", WCD937X_DMIC2, 1, 1, 0, 2066 wcd937x_get_swr_port, wcd937x_set_swr_port), 2067 SOC_SINGLE_EXT("DMIC3 Switch", WCD937X_DMIC3, 1, 1, 0, 2068 wcd937x_get_swr_port, wcd937x_set_swr_port), 2069 SOC_SINGLE_EXT("DMIC4 Switch", WCD937X_DMIC4, 1, 1, 0, 2070 wcd937x_get_swr_port, wcd937x_set_swr_port), 2071 SOC_SINGLE_EXT("DMIC5 Switch", WCD937X_DMIC5, 1, 1, 0, 2072 wcd937x_get_swr_port, wcd937x_set_swr_port), 2073 }; 2074 2075 static const struct snd_kcontrol_new adc1_switch[] = { 2076 SOC_DAPM_SINGLE("Switch", SND_SOC_NOPM, 0, 1, 0) 2077 }; 2078 2079 static const struct snd_kcontrol_new adc2_switch[] = { 2080 SOC_DAPM_SINGLE("Switch", SND_SOC_NOPM, 0, 1, 0) 2081 }; 2082 2083 static const struct snd_kcontrol_new adc3_switch[] = { 2084 SOC_DAPM_SINGLE("Switch", SND_SOC_NOPM, 0, 1, 0) 2085 }; 2086 2087 static const struct snd_kcontrol_new dmic1_switch[] = { 2088 SOC_DAPM_SINGLE("Switch", SND_SOC_NOPM, 0, 1, 0) 2089 }; 2090 2091 static const struct snd_kcontrol_new dmic2_switch[] = { 2092 SOC_DAPM_SINGLE("Switch", SND_SOC_NOPM, 0, 1, 0) 2093 }; 2094 2095 static const struct snd_kcontrol_new dmic3_switch[] = { 2096 SOC_DAPM_SINGLE("Switch", SND_SOC_NOPM, 0, 1, 0) 2097 }; 2098 2099 static const struct snd_kcontrol_new dmic4_switch[] = { 2100 SOC_DAPM_SINGLE("Switch", SND_SOC_NOPM, 0, 1, 0) 2101 }; 2102 2103 static const struct snd_kcontrol_new dmic5_switch[] = { 2104 SOC_DAPM_SINGLE("Switch", SND_SOC_NOPM, 0, 1, 0) 2105 }; 2106 2107 static const struct snd_kcontrol_new dmic6_switch[] = { 2108 SOC_DAPM_SINGLE("Switch", SND_SOC_NOPM, 0, 1, 0) 2109 }; 2110 2111 static const struct snd_kcontrol_new ear_rdac_switch[] = { 2112 SOC_DAPM_SINGLE("Switch", SND_SOC_NOPM, 0, 1, 0) 2113 }; 2114 2115 static const struct snd_kcontrol_new aux_rdac_switch[] = { 2116 SOC_DAPM_SINGLE("Switch", SND_SOC_NOPM, 0, 1, 0) 2117 }; 2118 2119 static const struct snd_kcontrol_new hphl_rdac_switch[] = { 2120 SOC_DAPM_SINGLE("Switch", SND_SOC_NOPM, 0, 1, 0) 2121 }; 2122 2123 static const struct snd_kcontrol_new hphr_rdac_switch[] = { 2124 SOC_DAPM_SINGLE("Switch", SND_SOC_NOPM, 0, 1, 0) 2125 }; 2126 2127 static const char * const adc2_mux_text[] = { 2128 "INP2", "INP3" 2129 }; 2130 2131 static const char * const rdac3_mux_text[] = { 2132 "RX1", "RX3" 2133 }; 2134 2135 static const struct soc_enum adc2_enum = 2136 SOC_ENUM_SINGLE(WCD937X_TX_NEW_TX_CH2_SEL, 7, 2137 ARRAY_SIZE(adc2_mux_text), adc2_mux_text); 2138 2139 static const struct soc_enum rdac3_enum = 2140 SOC_ENUM_SINGLE(WCD937X_DIGITAL_CDC_EAR_PATH_CTL, 0, 2141 ARRAY_SIZE(rdac3_mux_text), rdac3_mux_text); 2142 2143 static const struct snd_kcontrol_new tx_adc2_mux = SOC_DAPM_ENUM("ADC2 MUX Mux", adc2_enum); 2144 2145 static const struct snd_kcontrol_new rx_rdac3_mux = SOC_DAPM_ENUM("RDAC3_MUX Mux", rdac3_enum); 2146 2147 static const struct snd_soc_dapm_widget wcd937x_dapm_widgets[] = { 2148 /* Input widgets */ 2149 SND_SOC_DAPM_INPUT("AMIC1"), 2150 SND_SOC_DAPM_INPUT("AMIC2"), 2151 SND_SOC_DAPM_INPUT("AMIC3"), 2152 SND_SOC_DAPM_INPUT("IN1_HPHL"), 2153 SND_SOC_DAPM_INPUT("IN2_HPHR"), 2154 SND_SOC_DAPM_INPUT("IN3_AUX"), 2155 2156 /* TX widgets */ 2157 SND_SOC_DAPM_ADC_E("ADC1", NULL, SND_SOC_NOPM, 0, 0, 2158 wcd937x_codec_enable_adc, 2159 SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD), 2160 SND_SOC_DAPM_ADC_E("ADC2", NULL, SND_SOC_NOPM, 1, 0, 2161 wcd937x_codec_enable_adc, 2162 SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD), 2163 2164 SND_SOC_DAPM_MIXER_E("ADC1 REQ", SND_SOC_NOPM, 0, 0, 2165 NULL, 0, wcd937x_enable_req, 2166 SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD), 2167 SND_SOC_DAPM_MIXER_E("ADC2 REQ", SND_SOC_NOPM, 0, 0, 2168 NULL, 0, wcd937x_enable_req, 2169 SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD), 2170 2171 SND_SOC_DAPM_MUX("ADC2 MUX", SND_SOC_NOPM, 0, 0, &tx_adc2_mux), 2172 2173 /* TX mixers */ 2174 SND_SOC_DAPM_MIXER_E("ADC1_MIXER", SND_SOC_NOPM, 0, 0, 2175 adc1_switch, ARRAY_SIZE(adc1_switch), 2176 wcd937x_tx_swr_ctrl, SND_SOC_DAPM_PRE_PMU | 2177 SND_SOC_DAPM_POST_PMD), 2178 SND_SOC_DAPM_MIXER_E("ADC2_MIXER", SND_SOC_NOPM, 1, 0, 2179 adc2_switch, ARRAY_SIZE(adc2_switch), 2180 wcd937x_tx_swr_ctrl, SND_SOC_DAPM_PRE_PMU | 2181 SND_SOC_DAPM_POST_PMD), 2182 2183 /* MIC_BIAS widgets */ 2184 SND_SOC_DAPM_SUPPLY("MIC BIAS1", SND_SOC_NOPM, MIC_BIAS_1, 0, 2185 wcd937x_codec_enable_micbias, 2186 SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMU | 2187 SND_SOC_DAPM_POST_PMD), 2188 SND_SOC_DAPM_SUPPLY("MIC BIAS2", SND_SOC_NOPM, MIC_BIAS_2, 0, 2189 wcd937x_codec_enable_micbias, 2190 SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMU | 2191 SND_SOC_DAPM_POST_PMD), 2192 SND_SOC_DAPM_SUPPLY("MIC BIAS3", SND_SOC_NOPM, MIC_BIAS_3, 0, 2193 wcd937x_codec_enable_micbias, 2194 SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMU | 2195 SND_SOC_DAPM_POST_PMD), 2196 2197 SND_SOC_DAPM_SUPPLY("VDD_BUCK", SND_SOC_NOPM, 0, 0, NULL, 0), 2198 SND_SOC_DAPM_SUPPLY_S("CLS_H_PORT", 1, SND_SOC_NOPM, 0, 0, NULL, 0), 2199 2200 /* RX widgets */ 2201 SND_SOC_DAPM_PGA_E("EAR PGA", WCD937X_ANA_EAR, 7, 0, NULL, 0, 2202 wcd937x_codec_enable_ear_pa, 2203 SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMU | 2204 SND_SOC_DAPM_PRE_PMD | SND_SOC_DAPM_POST_PMD), 2205 SND_SOC_DAPM_PGA_E("AUX PGA", WCD937X_AUX_AUXPA, 7, 0, NULL, 0, 2206 wcd937x_codec_enable_aux_pa, 2207 SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMU | 2208 SND_SOC_DAPM_PRE_PMD | SND_SOC_DAPM_POST_PMD), 2209 SND_SOC_DAPM_PGA_E("HPHL PGA", WCD937X_ANA_HPH, 7, 0, NULL, 0, 2210 wcd937x_codec_enable_hphl_pa, 2211 SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMU | 2212 SND_SOC_DAPM_PRE_PMD | SND_SOC_DAPM_POST_PMD), 2213 SND_SOC_DAPM_PGA_E("HPHR PGA", WCD937X_ANA_HPH, 6, 0, NULL, 0, 2214 wcd937x_codec_enable_hphr_pa, 2215 SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMU | 2216 SND_SOC_DAPM_PRE_PMD | SND_SOC_DAPM_POST_PMD), 2217 2218 SND_SOC_DAPM_DAC_E("RDAC1", NULL, SND_SOC_NOPM, 0, 0, 2219 wcd937x_codec_hphl_dac_event, 2220 SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMU | 2221 SND_SOC_DAPM_PRE_PMD | SND_SOC_DAPM_POST_PMD), 2222 SND_SOC_DAPM_DAC_E("RDAC2", NULL, SND_SOC_NOPM, 0, 0, 2223 wcd937x_codec_hphr_dac_event, 2224 SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMU | 2225 SND_SOC_DAPM_PRE_PMD | SND_SOC_DAPM_POST_PMD), 2226 SND_SOC_DAPM_DAC_E("RDAC3", NULL, SND_SOC_NOPM, 0, 0, 2227 wcd937x_codec_ear_dac_event, 2228 SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMU | 2229 SND_SOC_DAPM_PRE_PMD | SND_SOC_DAPM_POST_PMD), 2230 SND_SOC_DAPM_DAC_E("RDAC4", NULL, SND_SOC_NOPM, 0, 0, 2231 wcd937x_codec_aux_dac_event, 2232 SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMU | 2233 SND_SOC_DAPM_PRE_PMD | SND_SOC_DAPM_POST_PMD), 2234 2235 SND_SOC_DAPM_MUX("RDAC3_MUX", SND_SOC_NOPM, 0, 0, &rx_rdac3_mux), 2236 2237 SND_SOC_DAPM_MIXER_E("RX1", SND_SOC_NOPM, 0, 0, NULL, 0, 2238 wcd937x_enable_rx1, SND_SOC_DAPM_PRE_PMU | 2239 SND_SOC_DAPM_POST_PMD), 2240 SND_SOC_DAPM_MIXER_E("RX2", SND_SOC_NOPM, 0, 0, NULL, 0, 2241 wcd937x_enable_rx2, SND_SOC_DAPM_PRE_PMU | 2242 SND_SOC_DAPM_POST_PMD), 2243 SND_SOC_DAPM_MIXER_E("RX3", SND_SOC_NOPM, 0, 0, NULL, 0, 2244 wcd937x_enable_rx3, SND_SOC_DAPM_PRE_PMU | 2245 SND_SOC_DAPM_POST_PMD), 2246 2247 /* RX mixer widgets*/ 2248 SND_SOC_DAPM_MIXER("EAR_RDAC", SND_SOC_NOPM, 0, 0, 2249 ear_rdac_switch, ARRAY_SIZE(ear_rdac_switch)), 2250 SND_SOC_DAPM_MIXER("AUX_RDAC", SND_SOC_NOPM, 0, 0, 2251 aux_rdac_switch, ARRAY_SIZE(aux_rdac_switch)), 2252 SND_SOC_DAPM_MIXER("HPHL_RDAC", SND_SOC_NOPM, 0, 0, 2253 hphl_rdac_switch, ARRAY_SIZE(hphl_rdac_switch)), 2254 SND_SOC_DAPM_MIXER("HPHR_RDAC", SND_SOC_NOPM, 0, 0, 2255 hphr_rdac_switch, ARRAY_SIZE(hphr_rdac_switch)), 2256 2257 /* TX output widgets */ 2258 SND_SOC_DAPM_OUTPUT("ADC1_OUTPUT"), 2259 SND_SOC_DAPM_OUTPUT("ADC2_OUTPUT"), 2260 SND_SOC_DAPM_OUTPUT("ADC3_OUTPUT"), 2261 SND_SOC_DAPM_OUTPUT("WCD_TX_OUTPUT"), 2262 2263 /* RX output widgets */ 2264 SND_SOC_DAPM_OUTPUT("EAR"), 2265 SND_SOC_DAPM_OUTPUT("AUX"), 2266 SND_SOC_DAPM_OUTPUT("HPHL"), 2267 SND_SOC_DAPM_OUTPUT("HPHR"), 2268 2269 /* MIC_BIAS pull up widgets */ 2270 SND_SOC_DAPM_SUPPLY("VA MIC BIAS1", SND_SOC_NOPM, MIC_BIAS_1, 0, 2271 wcd937x_codec_enable_micbias_pullup, 2272 SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMU | 2273 SND_SOC_DAPM_POST_PMD), 2274 SND_SOC_DAPM_SUPPLY("VA MIC BIAS2", SND_SOC_NOPM, MIC_BIAS_2, 0, 2275 wcd937x_codec_enable_micbias_pullup, 2276 SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMU | 2277 SND_SOC_DAPM_POST_PMD), 2278 SND_SOC_DAPM_SUPPLY("VA MIC BIAS3", SND_SOC_NOPM, MIC_BIAS_3, 0, 2279 wcd937x_codec_enable_micbias_pullup, 2280 SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMU | 2281 SND_SOC_DAPM_POST_PMD), 2282 }; 2283 2284 static const struct snd_soc_dapm_widget wcd9375_dapm_widgets[] = { 2285 /* Input widgets */ 2286 SND_SOC_DAPM_INPUT("AMIC4"), 2287 2288 /* TX widgets */ 2289 SND_SOC_DAPM_ADC_E("ADC3", NULL, SND_SOC_NOPM, 2, 0, 2290 wcd937x_codec_enable_adc, 2291 SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD), 2292 2293 SND_SOC_DAPM_MIXER_E("ADC3 REQ", SND_SOC_NOPM, 0, 0, 2294 NULL, 0, wcd937x_enable_req, 2295 SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD), 2296 2297 SND_SOC_DAPM_ADC_E("DMIC1", NULL, SND_SOC_NOPM, 0, 0, 2298 wcd937x_codec_enable_dmic, 2299 SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD), 2300 SND_SOC_DAPM_ADC_E("DMIC2", NULL, SND_SOC_NOPM, 1, 0, 2301 wcd937x_codec_enable_dmic, 2302 SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD), 2303 SND_SOC_DAPM_ADC_E("DMIC3", NULL, SND_SOC_NOPM, 2, 0, 2304 wcd937x_codec_enable_dmic, 2305 SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD), 2306 SND_SOC_DAPM_ADC_E("DMIC4", NULL, SND_SOC_NOPM, 3, 0, 2307 wcd937x_codec_enable_dmic, 2308 SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD), 2309 SND_SOC_DAPM_ADC_E("DMIC5", NULL, SND_SOC_NOPM, 4, 0, 2310 wcd937x_codec_enable_dmic, 2311 SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD), 2312 SND_SOC_DAPM_ADC_E("DMIC6", NULL, SND_SOC_NOPM, 5, 0, 2313 wcd937x_codec_enable_dmic, 2314 SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD), 2315 2316 /* TX mixer widgets */ 2317 SND_SOC_DAPM_MIXER_E("DMIC1_MIXER", SND_SOC_NOPM, 0, 2318 0, dmic1_switch, ARRAY_SIZE(dmic1_switch), 2319 wcd937x_tx_swr_ctrl, SND_SOC_DAPM_PRE_PMU | 2320 SND_SOC_DAPM_POST_PMD), 2321 SND_SOC_DAPM_MIXER_E("DMIC2_MIXER", SND_SOC_NOPM, 1, 2322 0, dmic2_switch, ARRAY_SIZE(dmic2_switch), 2323 wcd937x_tx_swr_ctrl, SND_SOC_DAPM_PRE_PMU | 2324 SND_SOC_DAPM_POST_PMD), 2325 SND_SOC_DAPM_MIXER_E("DMIC3_MIXER", SND_SOC_NOPM, 2, 2326 0, dmic3_switch, ARRAY_SIZE(dmic3_switch), 2327 wcd937x_tx_swr_ctrl, SND_SOC_DAPM_PRE_PMU | 2328 SND_SOC_DAPM_POST_PMD), 2329 SND_SOC_DAPM_MIXER_E("DMIC4_MIXER", SND_SOC_NOPM, 3, 2330 0, dmic4_switch, ARRAY_SIZE(dmic4_switch), 2331 wcd937x_tx_swr_ctrl, SND_SOC_DAPM_PRE_PMU | 2332 SND_SOC_DAPM_POST_PMD), 2333 SND_SOC_DAPM_MIXER_E("DMIC5_MIXER", SND_SOC_NOPM, 4, 2334 0, dmic5_switch, ARRAY_SIZE(dmic5_switch), 2335 wcd937x_tx_swr_ctrl, SND_SOC_DAPM_PRE_PMU | 2336 SND_SOC_DAPM_POST_PMD), 2337 SND_SOC_DAPM_MIXER_E("DMIC6_MIXER", SND_SOC_NOPM, 5, 2338 0, dmic6_switch, ARRAY_SIZE(dmic6_switch), 2339 wcd937x_tx_swr_ctrl, SND_SOC_DAPM_PRE_PMU | 2340 SND_SOC_DAPM_POST_PMD), 2341 SND_SOC_DAPM_MIXER_E("ADC3_MIXER", SND_SOC_NOPM, 2, 0, adc3_switch, 2342 ARRAY_SIZE(adc3_switch), wcd937x_tx_swr_ctrl, 2343 SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD), 2344 2345 /* Output widgets */ 2346 SND_SOC_DAPM_OUTPUT("DMIC1_OUTPUT"), 2347 SND_SOC_DAPM_OUTPUT("DMIC2_OUTPUT"), 2348 SND_SOC_DAPM_OUTPUT("DMIC3_OUTPUT"), 2349 SND_SOC_DAPM_OUTPUT("DMIC4_OUTPUT"), 2350 SND_SOC_DAPM_OUTPUT("DMIC5_OUTPUT"), 2351 SND_SOC_DAPM_OUTPUT("DMIC6_OUTPUT"), 2352 }; 2353 2354 static const struct snd_soc_dapm_route wcd937x_audio_map[] = { 2355 { "ADC1_OUTPUT", NULL, "ADC1_MIXER" }, 2356 { "ADC1_MIXER", "Switch", "ADC1 REQ" }, 2357 { "ADC1 REQ", NULL, "ADC1" }, 2358 { "ADC1", NULL, "AMIC1" }, 2359 2360 { "ADC2_OUTPUT", NULL, "ADC2_MIXER" }, 2361 { "ADC2_MIXER", "Switch", "ADC2 REQ" }, 2362 { "ADC2 REQ", NULL, "ADC2" }, 2363 { "ADC2", NULL, "ADC2 MUX" }, 2364 { "ADC2 MUX", "INP3", "AMIC3" }, 2365 { "ADC2 MUX", "INP2", "AMIC2" }, 2366 2367 { "IN1_HPHL", NULL, "VDD_BUCK" }, 2368 { "IN1_HPHL", NULL, "CLS_H_PORT" }, 2369 { "RX1", NULL, "IN1_HPHL" }, 2370 { "RDAC1", NULL, "RX1" }, 2371 { "HPHL_RDAC", "Switch", "RDAC1" }, 2372 { "HPHL PGA", NULL, "HPHL_RDAC" }, 2373 { "HPHL", NULL, "HPHL PGA" }, 2374 2375 { "IN2_HPHR", NULL, "VDD_BUCK" }, 2376 { "IN2_HPHR", NULL, "CLS_H_PORT" }, 2377 { "RX2", NULL, "IN2_HPHR" }, 2378 { "RDAC2", NULL, "RX2" }, 2379 { "HPHR_RDAC", "Switch", "RDAC2" }, 2380 { "HPHR PGA", NULL, "HPHR_RDAC" }, 2381 { "HPHR", NULL, "HPHR PGA" }, 2382 2383 { "IN3_AUX", NULL, "VDD_BUCK" }, 2384 { "IN3_AUX", NULL, "CLS_H_PORT" }, 2385 { "RX3", NULL, "IN3_AUX" }, 2386 { "RDAC4", NULL, "RX3" }, 2387 { "AUX_RDAC", "Switch", "RDAC4" }, 2388 { "AUX PGA", NULL, "AUX_RDAC" }, 2389 { "AUX", NULL, "AUX PGA" }, 2390 2391 { "RDAC3_MUX", "RX3", "RX3" }, 2392 { "RDAC3_MUX", "RX1", "RX1" }, 2393 { "RDAC3", NULL, "RDAC3_MUX" }, 2394 { "EAR_RDAC", "Switch", "RDAC3" }, 2395 { "EAR PGA", NULL, "EAR_RDAC" }, 2396 { "EAR", NULL, "EAR PGA" }, 2397 }; 2398 2399 static const struct snd_soc_dapm_route wcd9375_audio_map[] = { 2400 { "ADC3_OUTPUT", NULL, "ADC3_MIXER" }, 2401 { "ADC3_OUTPUT", NULL, "ADC3_MIXER" }, 2402 { "ADC3_MIXER", "Switch", "ADC3 REQ" }, 2403 { "ADC3 REQ", NULL, "ADC3" }, 2404 { "ADC3", NULL, "AMIC4" }, 2405 2406 { "DMIC1_OUTPUT", NULL, "DMIC1_MIXER" }, 2407 { "DMIC1_MIXER", "Switch", "DMIC1" }, 2408 2409 { "DMIC2_OUTPUT", NULL, "DMIC2_MIXER" }, 2410 { "DMIC2_MIXER", "Switch", "DMIC2" }, 2411 2412 { "DMIC3_OUTPUT", NULL, "DMIC3_MIXER" }, 2413 { "DMIC3_MIXER", "Switch", "DMIC3" }, 2414 2415 { "DMIC4_OUTPUT", NULL, "DMIC4_MIXER" }, 2416 { "DMIC4_MIXER", "Switch", "DMIC4" }, 2417 2418 { "DMIC5_OUTPUT", NULL, "DMIC5_MIXER" }, 2419 { "DMIC5_MIXER", "Switch", "DMIC5" }, 2420 2421 { "DMIC6_OUTPUT", NULL, "DMIC6_MIXER" }, 2422 { "DMIC6_MIXER", "Switch", "DMIC6" }, 2423 }; 2424 2425 static int wcd937x_set_micbias_data(struct wcd937x_priv *wcd937x) 2426 { 2427 int vout_ctl[3]; 2428 2429 /* Set micbias voltage */ 2430 vout_ctl[0] = wcd937x_get_micb_vout_ctl_val(wcd937x->micb1_mv); 2431 vout_ctl[1] = wcd937x_get_micb_vout_ctl_val(wcd937x->micb2_mv); 2432 vout_ctl[2] = wcd937x_get_micb_vout_ctl_val(wcd937x->micb3_mv); 2433 if ((vout_ctl[0] | vout_ctl[1] | vout_ctl[2]) < 0) 2434 return -EINVAL; 2435 2436 regmap_update_bits(wcd937x->regmap, WCD937X_ANA_MICB1, WCD937X_ANA_MICB_VOUT, vout_ctl[0]); 2437 regmap_update_bits(wcd937x->regmap, WCD937X_ANA_MICB2, WCD937X_ANA_MICB_VOUT, vout_ctl[1]); 2438 regmap_update_bits(wcd937x->regmap, WCD937X_ANA_MICB3, WCD937X_ANA_MICB_VOUT, vout_ctl[2]); 2439 2440 return 0; 2441 } 2442 2443 static irqreturn_t wcd937x_wd_handle_irq(int irq, void *data) 2444 { 2445 return IRQ_HANDLED; 2446 } 2447 2448 static const struct irq_chip wcd_irq_chip = { 2449 .name = "WCD937x", 2450 }; 2451 2452 static int wcd_irq_chip_map(struct irq_domain *irqd, unsigned int virq, 2453 irq_hw_number_t hw) 2454 { 2455 irq_set_chip_and_handler(virq, &wcd_irq_chip, handle_simple_irq); 2456 irq_set_nested_thread(virq, 1); 2457 irq_set_noprobe(virq); 2458 2459 return 0; 2460 } 2461 2462 static const struct irq_domain_ops wcd_domain_ops = { 2463 .map = wcd_irq_chip_map, 2464 }; 2465 2466 static int wcd937x_irq_init(struct wcd937x_priv *wcd, struct device *dev) 2467 { 2468 wcd->virq = irq_domain_add_linear(NULL, 1, &wcd_domain_ops, NULL); 2469 if (!(wcd->virq)) { 2470 dev_err(dev, "%s: Failed to add IRQ domain\n", __func__); 2471 return -EINVAL; 2472 } 2473 2474 return devm_regmap_add_irq_chip(dev, wcd->regmap, 2475 irq_create_mapping(wcd->virq, 0), 2476 IRQF_ONESHOT, 0, &wcd937x_regmap_irq_chip, 2477 &wcd->irq_chip); 2478 } 2479 2480 static int wcd937x_soc_codec_probe(struct snd_soc_component *component) 2481 { 2482 struct snd_soc_dapm_context *dapm = snd_soc_component_get_dapm(component); 2483 struct wcd937x_priv *wcd937x = snd_soc_component_get_drvdata(component); 2484 struct sdw_slave *tx_sdw_dev = wcd937x->tx_sdw_dev; 2485 struct device *dev = component->dev; 2486 unsigned long time_left; 2487 int i, ret; 2488 u32 chipid; 2489 2490 time_left = wait_for_completion_timeout(&tx_sdw_dev->initialization_complete, 2491 msecs_to_jiffies(5000)); 2492 if (!time_left) { 2493 dev_err(dev, "soundwire device init timeout\n"); 2494 return -ETIMEDOUT; 2495 } 2496 2497 snd_soc_component_init_regmap(component, wcd937x->regmap); 2498 ret = pm_runtime_resume_and_get(dev); 2499 if (ret < 0) 2500 return ret; 2501 2502 chipid = (snd_soc_component_read(component, 2503 WCD937X_DIGITAL_EFUSE_REG_0) & 0x1e) >> 1; 2504 if (chipid != CHIPID_WCD9370 && chipid != CHIPID_WCD9375) { 2505 dev_err(dev, "Got unknown chip id: 0x%x\n", chipid); 2506 pm_runtime_put(dev); 2507 return -EINVAL; 2508 } 2509 2510 wcd937x->clsh_info = wcd_clsh_ctrl_alloc(component, WCD937X); 2511 if (IS_ERR(wcd937x->clsh_info)) { 2512 pm_runtime_put(dev); 2513 return PTR_ERR(wcd937x->clsh_info); 2514 } 2515 2516 wcd937x_io_init(wcd937x->regmap); 2517 /* Set all interrupts as edge triggered */ 2518 for (i = 0; i < wcd937x_regmap_irq_chip.num_regs; i++) 2519 regmap_write(wcd937x->regmap, (WCD937X_DIGITAL_INTR_LEVEL_0 + i), 0); 2520 2521 pm_runtime_put(dev); 2522 2523 wcd937x->hphr_pdm_wd_int = regmap_irq_get_virq(wcd937x->irq_chip, 2524 WCD937X_IRQ_HPHR_PDM_WD_INT); 2525 wcd937x->hphl_pdm_wd_int = regmap_irq_get_virq(wcd937x->irq_chip, 2526 WCD937X_IRQ_HPHL_PDM_WD_INT); 2527 wcd937x->aux_pdm_wd_int = regmap_irq_get_virq(wcd937x->irq_chip, 2528 WCD937X_IRQ_AUX_PDM_WD_INT); 2529 2530 /* Request for watchdog interrupt */ 2531 ret = devm_request_threaded_irq(dev, wcd937x->hphr_pdm_wd_int, NULL, wcd937x_wd_handle_irq, 2532 IRQF_ONESHOT | IRQF_TRIGGER_RISING, 2533 "HPHR PDM WDOG INT", wcd937x); 2534 if (ret) 2535 dev_err(dev, "Failed to request HPHR watchdog interrupt (%d)\n", ret); 2536 2537 ret = devm_request_threaded_irq(dev, wcd937x->hphl_pdm_wd_int, NULL, wcd937x_wd_handle_irq, 2538 IRQF_ONESHOT | IRQF_TRIGGER_RISING, 2539 "HPHL PDM WDOG INT", wcd937x); 2540 if (ret) 2541 dev_err(dev, "Failed to request HPHL watchdog interrupt (%d)\n", ret); 2542 2543 ret = devm_request_threaded_irq(dev, wcd937x->aux_pdm_wd_int, NULL, wcd937x_wd_handle_irq, 2544 IRQF_ONESHOT | IRQF_TRIGGER_RISING, 2545 "AUX PDM WDOG INT", wcd937x); 2546 if (ret) 2547 dev_err(dev, "Failed to request Aux watchdog interrupt (%d)\n", ret); 2548 2549 /* Disable watchdog interrupt for HPH and AUX */ 2550 disable_irq_nosync(wcd937x->hphr_pdm_wd_int); 2551 disable_irq_nosync(wcd937x->hphl_pdm_wd_int); 2552 disable_irq_nosync(wcd937x->aux_pdm_wd_int); 2553 2554 if (chipid == CHIPID_WCD9375) { 2555 ret = snd_soc_dapm_new_controls(dapm, wcd9375_dapm_widgets, 2556 ARRAY_SIZE(wcd9375_dapm_widgets)); 2557 if (ret < 0) { 2558 dev_err(component->dev, "Failed to add snd_ctls\n"); 2559 return ret; 2560 } 2561 2562 ret = snd_soc_dapm_add_routes(dapm, wcd9375_audio_map, 2563 ARRAY_SIZE(wcd9375_audio_map)); 2564 if (ret < 0) { 2565 dev_err(component->dev, "Failed to add routes\n"); 2566 return ret; 2567 } 2568 } 2569 2570 ret = wcd937x_mbhc_init(component); 2571 if (ret) 2572 dev_err(component->dev, "mbhc initialization failed\n"); 2573 2574 return ret; 2575 } 2576 2577 static void wcd937x_soc_codec_remove(struct snd_soc_component *component) 2578 { 2579 struct wcd937x_priv *wcd937x = snd_soc_component_get_drvdata(component); 2580 2581 wcd937x_mbhc_deinit(component); 2582 free_irq(wcd937x->aux_pdm_wd_int, wcd937x); 2583 free_irq(wcd937x->hphl_pdm_wd_int, wcd937x); 2584 free_irq(wcd937x->hphr_pdm_wd_int, wcd937x); 2585 2586 wcd_clsh_ctrl_free(wcd937x->clsh_info); 2587 } 2588 2589 static int wcd937x_codec_set_jack(struct snd_soc_component *comp, 2590 struct snd_soc_jack *jack, void *data) 2591 { 2592 struct wcd937x_priv *wcd = dev_get_drvdata(comp->dev); 2593 int ret = 0; 2594 2595 if (jack) 2596 ret = wcd_mbhc_start(wcd->wcd_mbhc, &wcd->mbhc_cfg, jack); 2597 else 2598 wcd_mbhc_stop(wcd->wcd_mbhc); 2599 2600 return ret; 2601 } 2602 2603 static const struct snd_soc_component_driver soc_codec_dev_wcd937x = { 2604 .name = "wcd937x_codec", 2605 .probe = wcd937x_soc_codec_probe, 2606 .remove = wcd937x_soc_codec_remove, 2607 .controls = wcd937x_snd_controls, 2608 .num_controls = ARRAY_SIZE(wcd937x_snd_controls), 2609 .dapm_widgets = wcd937x_dapm_widgets, 2610 .num_dapm_widgets = ARRAY_SIZE(wcd937x_dapm_widgets), 2611 .dapm_routes = wcd937x_audio_map, 2612 .num_dapm_routes = ARRAY_SIZE(wcd937x_audio_map), 2613 .set_jack = wcd937x_codec_set_jack, 2614 .endianness = 1, 2615 }; 2616 2617 static void wcd937x_dt_parse_micbias_info(struct device *dev, struct wcd937x_priv *wcd) 2618 { 2619 struct device_node *np = dev->of_node; 2620 u32 prop_val = 0; 2621 int ret = 0; 2622 2623 ret = of_property_read_u32(np, "qcom,micbias1-microvolt", &prop_val); 2624 if (!ret) 2625 wcd->micb1_mv = prop_val / 1000; 2626 else 2627 dev_warn(dev, "Micbias1 DT property not found\n"); 2628 2629 ret = of_property_read_u32(np, "qcom,micbias2-microvolt", &prop_val); 2630 if (!ret) 2631 wcd->micb2_mv = prop_val / 1000; 2632 else 2633 dev_warn(dev, "Micbias2 DT property not found\n"); 2634 2635 ret = of_property_read_u32(np, "qcom,micbias3-microvolt", &prop_val); 2636 if (!ret) 2637 wcd->micb3_mv = prop_val / 1000; 2638 else 2639 dev_warn(dev, "Micbias3 DT property not found\n"); 2640 } 2641 2642 static bool wcd937x_swap_gnd_mic(struct snd_soc_component *component, bool active) 2643 { 2644 int value; 2645 struct wcd937x_priv *wcd937x; 2646 2647 wcd937x = snd_soc_component_get_drvdata(component); 2648 2649 value = gpiod_get_value(wcd937x->us_euro_gpio); 2650 gpiod_set_value(wcd937x->us_euro_gpio, !value); 2651 2652 return true; 2653 } 2654 2655 static int wcd937x_codec_hw_params(struct snd_pcm_substream *substream, 2656 struct snd_pcm_hw_params *params, 2657 struct snd_soc_dai *dai) 2658 { 2659 struct wcd937x_priv *wcd937x = dev_get_drvdata(dai->dev); 2660 struct wcd937x_sdw_priv *wcd = wcd937x->sdw_priv[dai->id]; 2661 2662 return wcd937x_sdw_hw_params(wcd, substream, params, dai); 2663 } 2664 2665 static int wcd937x_codec_free(struct snd_pcm_substream *substream, 2666 struct snd_soc_dai *dai) 2667 { 2668 struct wcd937x_priv *wcd937x = dev_get_drvdata(dai->dev); 2669 struct wcd937x_sdw_priv *wcd = wcd937x->sdw_priv[dai->id]; 2670 2671 return sdw_stream_remove_slave(wcd->sdev, wcd->sruntime); 2672 } 2673 2674 static int wcd937x_codec_set_sdw_stream(struct snd_soc_dai *dai, 2675 void *stream, int direction) 2676 { 2677 struct wcd937x_priv *wcd937x = dev_get_drvdata(dai->dev); 2678 struct wcd937x_sdw_priv *wcd = wcd937x->sdw_priv[dai->id]; 2679 2680 wcd->sruntime = stream; 2681 2682 return 0; 2683 } 2684 2685 static const struct snd_soc_dai_ops wcd937x_sdw_dai_ops = { 2686 .hw_params = wcd937x_codec_hw_params, 2687 .hw_free = wcd937x_codec_free, 2688 .set_stream = wcd937x_codec_set_sdw_stream, 2689 }; 2690 2691 static struct snd_soc_dai_driver wcd937x_dais[] = { 2692 [0] = { 2693 .name = "wcd937x-sdw-rx", 2694 .playback = { 2695 .stream_name = "WCD AIF Playback", 2696 .rates = WCD937X_RATES | WCD937X_FRAC_RATES, 2697 .formats = WCD937X_FORMATS, 2698 .rate_min = 8000, 2699 .rate_max = 384000, 2700 .channels_min = 1, 2701 .channels_max = 4, 2702 }, 2703 .ops = &wcd937x_sdw_dai_ops, 2704 }, 2705 [1] = { 2706 .name = "wcd937x-sdw-tx", 2707 .capture = { 2708 .stream_name = "WCD AIF Capture", 2709 .rates = WCD937X_RATES, 2710 .formats = WCD937X_FORMATS, 2711 .rate_min = 8000, 2712 .rate_max = 192000, 2713 .channels_min = 1, 2714 .channels_max = 4, 2715 }, 2716 .ops = &wcd937x_sdw_dai_ops, 2717 }, 2718 }; 2719 2720 static int wcd937x_bind(struct device *dev) 2721 { 2722 struct wcd937x_priv *wcd937x = dev_get_drvdata(dev); 2723 int ret; 2724 2725 /* Give the SDW subdevices some more time to settle */ 2726 usleep_range(5000, 5010); 2727 2728 ret = component_bind_all(dev, wcd937x); 2729 if (ret) { 2730 dev_err(dev, "Slave bind failed, ret = %d\n", ret); 2731 return ret; 2732 } 2733 2734 wcd937x->rxdev = wcd937x_sdw_device_get(wcd937x->rxnode); 2735 if (!wcd937x->rxdev) { 2736 dev_err(dev, "could not find slave with matching of node\n"); 2737 return -EINVAL; 2738 } 2739 2740 wcd937x->sdw_priv[AIF1_PB] = dev_get_drvdata(wcd937x->rxdev); 2741 wcd937x->sdw_priv[AIF1_PB]->wcd937x = wcd937x; 2742 2743 wcd937x->txdev = wcd937x_sdw_device_get(wcd937x->txnode); 2744 if (!wcd937x->txdev) { 2745 dev_err(dev, "could not find txslave with matching of node\n"); 2746 return -EINVAL; 2747 } 2748 2749 wcd937x->sdw_priv[AIF1_CAP] = dev_get_drvdata(wcd937x->txdev); 2750 wcd937x->sdw_priv[AIF1_CAP]->wcd937x = wcd937x; 2751 wcd937x->tx_sdw_dev = dev_to_sdw_dev(wcd937x->txdev); 2752 if (!wcd937x->tx_sdw_dev) { 2753 dev_err(dev, "could not get txslave with matching of dev\n"); 2754 return -EINVAL; 2755 } 2756 2757 /* 2758 * As TX is the main CSR reg interface, which should not be suspended first. 2759 * expicilty add the dependency link 2760 */ 2761 if (!device_link_add(wcd937x->rxdev, wcd937x->txdev, 2762 DL_FLAG_STATELESS | DL_FLAG_PM_RUNTIME)) { 2763 dev_err(dev, "Could not devlink TX and RX\n"); 2764 return -EINVAL; 2765 } 2766 2767 if (!device_link_add(dev, wcd937x->txdev, 2768 DL_FLAG_STATELESS | DL_FLAG_PM_RUNTIME)) { 2769 dev_err(dev, "Could not devlink WCD and TX\n"); 2770 return -EINVAL; 2771 } 2772 2773 if (!device_link_add(dev, wcd937x->rxdev, 2774 DL_FLAG_STATELESS | DL_FLAG_PM_RUNTIME)) { 2775 dev_err(dev, "Could not devlink WCD and RX\n"); 2776 return -EINVAL; 2777 } 2778 2779 wcd937x->regmap = dev_get_regmap(&wcd937x->tx_sdw_dev->dev, NULL); 2780 if (!wcd937x->regmap) { 2781 dev_err(dev, "could not get TX device regmap\n"); 2782 return -EINVAL; 2783 } 2784 2785 ret = wcd937x_irq_init(wcd937x, dev); 2786 if (ret) { 2787 dev_err(dev, "IRQ init failed: %d\n", ret); 2788 return ret; 2789 } 2790 2791 wcd937x->sdw_priv[AIF1_PB]->slave_irq = wcd937x->virq; 2792 wcd937x->sdw_priv[AIF1_CAP]->slave_irq = wcd937x->virq; 2793 2794 ret = wcd937x_set_micbias_data(wcd937x); 2795 if (ret < 0) { 2796 dev_err(dev, "Bad micbias pdata\n"); 2797 return ret; 2798 } 2799 2800 ret = snd_soc_register_component(dev, &soc_codec_dev_wcd937x, 2801 wcd937x_dais, ARRAY_SIZE(wcd937x_dais)); 2802 if (ret) 2803 dev_err(dev, "Codec registration failed\n"); 2804 2805 return ret; 2806 } 2807 2808 static void wcd937x_unbind(struct device *dev) 2809 { 2810 struct wcd937x_priv *wcd937x = dev_get_drvdata(dev); 2811 2812 snd_soc_unregister_component(dev); 2813 device_link_remove(dev, wcd937x->txdev); 2814 device_link_remove(dev, wcd937x->rxdev); 2815 device_link_remove(wcd937x->rxdev, wcd937x->txdev); 2816 component_unbind_all(dev, wcd937x); 2817 mutex_destroy(&wcd937x->micb_lock); 2818 } 2819 2820 static const struct component_master_ops wcd937x_comp_ops = { 2821 .bind = wcd937x_bind, 2822 .unbind = wcd937x_unbind, 2823 }; 2824 2825 static int wcd937x_add_slave_components(struct wcd937x_priv *wcd937x, 2826 struct device *dev, 2827 struct component_match **matchptr) 2828 { 2829 struct device_node *np = dev->of_node; 2830 2831 wcd937x->rxnode = of_parse_phandle(np, "qcom,rx-device", 0); 2832 if (!wcd937x->rxnode) { 2833 dev_err(dev, "Couldn't parse phandle to qcom,rx-device!\n"); 2834 return -ENODEV; 2835 } 2836 of_node_get(wcd937x->rxnode); 2837 component_match_add_release(dev, matchptr, component_release_of, 2838 component_compare_of, wcd937x->rxnode); 2839 2840 wcd937x->txnode = of_parse_phandle(np, "qcom,tx-device", 0); 2841 if (!wcd937x->txnode) { 2842 dev_err(dev, "Couldn't parse phandle to qcom,tx-device\n"); 2843 return -ENODEV; 2844 } 2845 of_node_get(wcd937x->txnode); 2846 component_match_add_release(dev, matchptr, component_release_of, 2847 component_compare_of, wcd937x->txnode); 2848 2849 return 0; 2850 } 2851 2852 static int wcd937x_probe(struct platform_device *pdev) 2853 { 2854 struct component_match *match = NULL; 2855 struct device *dev = &pdev->dev; 2856 struct wcd937x_priv *wcd937x; 2857 struct wcd_mbhc_config *cfg; 2858 int ret; 2859 2860 wcd937x = devm_kzalloc(dev, sizeof(*wcd937x), GFP_KERNEL); 2861 if (!wcd937x) 2862 return -ENOMEM; 2863 2864 dev_set_drvdata(dev, wcd937x); 2865 mutex_init(&wcd937x->micb_lock); 2866 2867 wcd937x->reset_gpio = devm_gpiod_get(dev, "reset", GPIOD_OUT_LOW); 2868 if (IS_ERR(wcd937x->reset_gpio)) 2869 return dev_err_probe(dev, PTR_ERR(wcd937x->reset_gpio), 2870 "failed to reset wcd gpio\n"); 2871 2872 wcd937x->us_euro_gpio = devm_gpiod_get_optional(dev, "us-euro", GPIOD_OUT_LOW); 2873 if (IS_ERR(wcd937x->us_euro_gpio)) 2874 return dev_err_probe(dev, PTR_ERR(wcd937x->us_euro_gpio), 2875 "us-euro swap Control GPIO not found\n"); 2876 2877 cfg = &wcd937x->mbhc_cfg; 2878 cfg->swap_gnd_mic = wcd937x_swap_gnd_mic; 2879 2880 wcd937x->supplies[0].supply = "vdd-rxtx"; 2881 wcd937x->supplies[1].supply = "vdd-px"; 2882 wcd937x->supplies[2].supply = "vdd-mic-bias"; 2883 wcd937x->supplies[3].supply = "vdd-buck"; 2884 2885 ret = devm_regulator_bulk_get(dev, WCD937X_MAX_BULK_SUPPLY, wcd937x->supplies); 2886 if (ret) 2887 return dev_err_probe(dev, ret, "Failed to get supplies\n"); 2888 2889 ret = regulator_bulk_enable(WCD937X_MAX_BULK_SUPPLY, wcd937x->supplies); 2890 if (ret) { 2891 regulator_bulk_free(WCD937X_MAX_BULK_SUPPLY, wcd937x->supplies); 2892 return dev_err_probe(dev, ret, "Failed to enable supplies\n"); 2893 } 2894 2895 wcd937x_dt_parse_micbias_info(dev, wcd937x); 2896 2897 cfg->mbhc_micbias = MIC_BIAS_2; 2898 cfg->anc_micbias = MIC_BIAS_2; 2899 cfg->v_hs_max = WCD_MBHC_HS_V_MAX; 2900 cfg->num_btn = WCD937X_MBHC_MAX_BUTTONS; 2901 cfg->micb_mv = wcd937x->micb2_mv; 2902 cfg->linein_th = 5000; 2903 cfg->hs_thr = 1700; 2904 cfg->hph_thr = 50; 2905 2906 wcd_dt_parse_mbhc_data(dev, &wcd937x->mbhc_cfg); 2907 2908 ret = wcd937x_add_slave_components(wcd937x, dev, &match); 2909 if (ret) 2910 goto err_disable_regulators; 2911 2912 wcd937x_reset(wcd937x); 2913 2914 ret = component_master_add_with_match(dev, &wcd937x_comp_ops, match); 2915 if (ret) 2916 goto err_disable_regulators; 2917 2918 pm_runtime_set_autosuspend_delay(dev, 1000); 2919 pm_runtime_use_autosuspend(dev); 2920 pm_runtime_mark_last_busy(dev); 2921 pm_runtime_set_active(dev); 2922 pm_runtime_enable(dev); 2923 pm_runtime_idle(dev); 2924 2925 return 0; 2926 2927 err_disable_regulators: 2928 regulator_bulk_disable(WCD937X_MAX_BULK_SUPPLY, wcd937x->supplies); 2929 regulator_bulk_free(WCD937X_MAX_BULK_SUPPLY, wcd937x->supplies); 2930 2931 return ret; 2932 } 2933 2934 static void wcd937x_remove(struct platform_device *pdev) 2935 { 2936 struct device *dev = &pdev->dev; 2937 struct wcd937x_priv *wcd937x = dev_get_drvdata(dev); 2938 2939 component_master_del(&pdev->dev, &wcd937x_comp_ops); 2940 2941 pm_runtime_disable(dev); 2942 pm_runtime_set_suspended(dev); 2943 pm_runtime_dont_use_autosuspend(dev); 2944 2945 regulator_bulk_disable(WCD937X_MAX_BULK_SUPPLY, wcd937x->supplies); 2946 regulator_bulk_free(WCD937X_MAX_BULK_SUPPLY, wcd937x->supplies); 2947 } 2948 2949 #if defined(CONFIG_OF) 2950 static const struct of_device_id wcd937x_of_match[] = { 2951 { .compatible = "qcom,wcd9370-codec" }, 2952 { .compatible = "qcom,wcd9375-codec" }, 2953 { } 2954 }; 2955 MODULE_DEVICE_TABLE(of, wcd937x_of_match); 2956 #endif 2957 2958 static struct platform_driver wcd937x_codec_driver = { 2959 .probe = wcd937x_probe, 2960 .remove_new = wcd937x_remove, 2961 .driver = { 2962 .name = "wcd937x_codec", 2963 .of_match_table = of_match_ptr(wcd937x_of_match), 2964 .suppress_bind_attrs = true, 2965 }, 2966 }; 2967 2968 module_platform_driver(wcd937x_codec_driver); 2969 MODULE_DESCRIPTION("WCD937X Codec driver"); 2970 MODULE_LICENSE("GPL"); 2971