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.h> 11 #include <linux/platform_device.h> 12 #include <linux/pm_runtime.h> 13 #include <linux/regmap.h> 14 #include <linux/regulator/consumer.h> 15 #include <linux/slab.h> 16 #include <sound/jack.h> 17 #include <sound/pcm_params.h> 18 #include <sound/pcm.h> 19 #include <sound/soc-dapm.h> 20 #include <sound/soc.h> 21 #include <sound/tlv.h> 22 23 #include "wcd-clsh-v2.h" 24 #include "wcd-common.h" 25 #include "wcd-mbhc-v2.h" 26 #include "wcd937x.h" 27 28 #define CHIPID_WCD9370 0x0 29 #define CHIPID_WCD9375 0x5 30 31 /* Z value defined in milliohm */ 32 #define WCD937X_ZDET_VAL_32 (32000) 33 #define WCD937X_ZDET_VAL_400 (400000) 34 #define WCD937X_ZDET_VAL_1200 (1200000) 35 #define WCD937X_ZDET_VAL_100K (100000000) 36 /* Z floating defined in ohms */ 37 #define WCD937X_ZDET_FLOATING_IMPEDANCE (0x0FFFFFFE) 38 #define WCD937X_ZDET_NUM_MEASUREMENTS (900) 39 #define WCD937X_MBHC_GET_C1(c) (((c) & 0xC000) >> 14) 40 #define WCD937X_MBHC_GET_X1(x) ((x) & 0x3FFF) 41 /* Z value compared in milliOhm */ 42 #define WCD937X_MBHC_IS_SECOND_RAMP_REQUIRED(z) (((z) > 400000) || ((z) < 32000)) 43 #define WCD937X_MBHC_ZDET_CONST (86 * 16384) 44 #define WCD937X_MBHC_MOISTURE_RREF R_24_KOHM 45 #define WCD_MBHC_HS_V_MAX 1600 46 #define EAR_RX_PATH_AUX 1 47 #define WCD937X_MBHC_MAX_BUTTONS 8 48 49 #define WCD937X_RATES (SNDRV_PCM_RATE_8000 | SNDRV_PCM_RATE_16000 |\ 50 SNDRV_PCM_RATE_32000 | SNDRV_PCM_RATE_48000 |\ 51 SNDRV_PCM_RATE_96000 | SNDRV_PCM_RATE_192000 |\ 52 SNDRV_PCM_RATE_384000) 53 54 /* Fractional Rates */ 55 #define WCD937X_FRAC_RATES (SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_88200 |\ 56 SNDRV_PCM_RATE_176400 | SNDRV_PCM_RATE_352800) 57 58 #define WCD937X_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S24_LE |\ 59 SNDRV_PCM_FMTBIT_S24_3LE | SNDRV_PCM_FMTBIT_S32_LE) 60 61 enum { 62 ALLOW_BUCK_DISABLE, 63 HPH_COMP_DELAY, 64 HPH_PA_DELAY, 65 AMIC2_BCS_ENABLE, 66 }; 67 68 enum { 69 AIF1_PB = 0, 70 AIF1_CAP, 71 NUM_CODEC_DAIS, 72 }; 73 74 struct wcd937x_priv { 75 struct sdw_slave *tx_sdw_dev; 76 struct wcd937x_sdw_priv *sdw_priv[NUM_CODEC_DAIS]; 77 struct device *txdev; 78 struct device *rxdev; 79 struct device_node *rxnode; 80 struct device_node *txnode; 81 struct regmap *regmap; 82 /* micb setup lock */ 83 struct mutex micb_lock; 84 /* mbhc module */ 85 struct wcd_mbhc *wcd_mbhc; 86 struct wcd_mbhc_config mbhc_cfg; 87 struct wcd_mbhc_intr intr_ids; 88 struct wcd_clsh_ctrl *clsh_info; 89 struct wcd_common common; 90 struct irq_domain *virq; 91 struct regmap_irq_chip_data *irq_chip; 92 struct snd_soc_jack *jack; 93 unsigned long status_mask; 94 s32 micb_ref[WCD937X_MAX_MICBIAS]; 95 s32 pullup_ref[WCD937X_MAX_MICBIAS]; 96 u32 hph_mode; 97 int ear_rx_path; 98 int hphr_pdm_wd_int; 99 int hphl_pdm_wd_int; 100 int aux_pdm_wd_int; 101 bool comp1_enable; 102 bool comp2_enable; 103 104 struct gpio_desc *us_euro_gpio; 105 struct gpio_desc *reset_gpio; 106 107 atomic_t rx_clk_cnt; 108 atomic_t ana_clk_count; 109 }; 110 111 static const char * const wcd937x_supplies[] = { 112 "vdd-rxtx", "vdd-px", "vdd-mic-bias", "vdd-buck", 113 }; 114 115 static const SNDRV_CTL_TLVD_DECLARE_DB_MINMAX(ear_pa_gain, 600, -1800); 116 static const DECLARE_TLV_DB_SCALE(line_gain, 0, 7, 1); 117 static const DECLARE_TLV_DB_SCALE(analog_gain, 0, 25, 1); 118 119 struct wcd937x_mbhc_zdet_param { 120 u16 ldo_ctl; 121 u16 noff; 122 u16 nshift; 123 u16 btn5; 124 u16 btn6; 125 u16 btn7; 126 }; 127 128 static const struct wcd_mbhc_field wcd_mbhc_fields[WCD_MBHC_REG_FUNC_MAX] = { 129 WCD_MBHC_FIELD(WCD_MBHC_L_DET_EN, WCD937X_ANA_MBHC_MECH, 0x80), 130 WCD_MBHC_FIELD(WCD_MBHC_GND_DET_EN, WCD937X_ANA_MBHC_MECH, 0x40), 131 WCD_MBHC_FIELD(WCD_MBHC_MECH_DETECTION_TYPE, WCD937X_ANA_MBHC_MECH, 0x20), 132 WCD_MBHC_FIELD(WCD_MBHC_MIC_CLAMP_CTL, WCD937X_MBHC_NEW_PLUG_DETECT_CTL, 0x30), 133 WCD_MBHC_FIELD(WCD_MBHC_ELECT_DETECTION_TYPE, WCD937X_ANA_MBHC_ELECT, 0x08), 134 WCD_MBHC_FIELD(WCD_MBHC_HS_L_DET_PULL_UP_CTRL, WCD937X_MBHC_NEW_INT_MECH_DET_CURRENT, 0x1F), 135 WCD_MBHC_FIELD(WCD_MBHC_HS_L_DET_PULL_UP_COMP_CTRL, WCD937X_ANA_MBHC_MECH, 0x04), 136 WCD_MBHC_FIELD(WCD_MBHC_HPHL_PLUG_TYPE, WCD937X_ANA_MBHC_MECH, 0x10), 137 WCD_MBHC_FIELD(WCD_MBHC_GND_PLUG_TYPE, WCD937X_ANA_MBHC_MECH, 0x08), 138 WCD_MBHC_FIELD(WCD_MBHC_SW_HPH_LP_100K_TO_GND, WCD937X_ANA_MBHC_MECH, 0x01), 139 WCD_MBHC_FIELD(WCD_MBHC_ELECT_SCHMT_ISRC, WCD937X_ANA_MBHC_ELECT, 0x06), 140 WCD_MBHC_FIELD(WCD_MBHC_FSM_EN, WCD937X_ANA_MBHC_ELECT, 0x80), 141 WCD_MBHC_FIELD(WCD_MBHC_INSREM_DBNC, WCD937X_MBHC_NEW_PLUG_DETECT_CTL, 0x0F), 142 WCD_MBHC_FIELD(WCD_MBHC_BTN_DBNC, WCD937X_MBHC_NEW_CTL_1, 0x03), 143 WCD_MBHC_FIELD(WCD_MBHC_HS_VREF, WCD937X_MBHC_NEW_CTL_2, 0x03), 144 WCD_MBHC_FIELD(WCD_MBHC_HS_COMP_RESULT, WCD937X_ANA_MBHC_RESULT_3, 0x08), 145 WCD_MBHC_FIELD(WCD_MBHC_IN2P_CLAMP_STATE, WCD937X_ANA_MBHC_RESULT_3, 0x10), 146 WCD_MBHC_FIELD(WCD_MBHC_MIC_SCHMT_RESULT, WCD937X_ANA_MBHC_RESULT_3, 0x20), 147 WCD_MBHC_FIELD(WCD_MBHC_HPHL_SCHMT_RESULT, WCD937X_ANA_MBHC_RESULT_3, 0x80), 148 WCD_MBHC_FIELD(WCD_MBHC_HPHR_SCHMT_RESULT, WCD937X_ANA_MBHC_RESULT_3, 0x40), 149 WCD_MBHC_FIELD(WCD_MBHC_OCP_FSM_EN, WCD937X_HPH_OCP_CTL, 0x10), 150 WCD_MBHC_FIELD(WCD_MBHC_BTN_RESULT, WCD937X_ANA_MBHC_RESULT_3, 0x07), 151 WCD_MBHC_FIELD(WCD_MBHC_BTN_ISRC_CTL, WCD937X_ANA_MBHC_ELECT, 0x70), 152 WCD_MBHC_FIELD(WCD_MBHC_ELECT_RESULT, WCD937X_ANA_MBHC_RESULT_3, 0xFF), 153 WCD_MBHC_FIELD(WCD_MBHC_MICB_CTRL, WCD937X_ANA_MICB2, 0xC0), 154 WCD_MBHC_FIELD(WCD_MBHC_HPH_CNP_WG_TIME, WCD937X_HPH_CNP_WG_TIME, 0xFF), 155 WCD_MBHC_FIELD(WCD_MBHC_HPHR_PA_EN, WCD937X_ANA_HPH, 0x40), 156 WCD_MBHC_FIELD(WCD_MBHC_HPHL_PA_EN, WCD937X_ANA_HPH, 0x80), 157 WCD_MBHC_FIELD(WCD_MBHC_HPH_PA_EN, WCD937X_ANA_HPH, 0xC0), 158 WCD_MBHC_FIELD(WCD_MBHC_SWCH_LEVEL_REMOVE, WCD937X_ANA_MBHC_RESULT_3, 0x10), 159 WCD_MBHC_FIELD(WCD_MBHC_ANC_DET_EN, WCD937X_MBHC_CTL_BCS, 0x02), 160 WCD_MBHC_FIELD(WCD_MBHC_FSM_STATUS, WCD937X_MBHC_NEW_FSM_STATUS, 0x01), 161 WCD_MBHC_FIELD(WCD_MBHC_MUX_CTL, WCD937X_MBHC_NEW_CTL_2, 0x70), 162 WCD_MBHC_FIELD(WCD_MBHC_MOISTURE_STATUS, WCD937X_MBHC_NEW_FSM_STATUS, 0x20), 163 WCD_MBHC_FIELD(WCD_MBHC_HPHR_GND, WCD937X_HPH_PA_CTL2, 0x40), 164 WCD_MBHC_FIELD(WCD_MBHC_HPHL_GND, WCD937X_HPH_PA_CTL2, 0x10), 165 WCD_MBHC_FIELD(WCD_MBHC_HPHL_OCP_DET_EN, WCD937X_HPH_L_TEST, 0x01), 166 WCD_MBHC_FIELD(WCD_MBHC_HPHR_OCP_DET_EN, WCD937X_HPH_R_TEST, 0x01), 167 WCD_MBHC_FIELD(WCD_MBHC_HPHL_OCP_STATUS, WCD937X_DIGITAL_INTR_STATUS_0, 0x80), 168 WCD_MBHC_FIELD(WCD_MBHC_HPHR_OCP_STATUS, WCD937X_DIGITAL_INTR_STATUS_0, 0x20), 169 WCD_MBHC_FIELD(WCD_MBHC_ADC_EN, WCD937X_MBHC_NEW_CTL_1, 0x08), 170 WCD_MBHC_FIELD(WCD_MBHC_ADC_COMPLETE, WCD937X_MBHC_NEW_FSM_STATUS, 0x40), 171 WCD_MBHC_FIELD(WCD_MBHC_ADC_TIMEOUT, WCD937X_MBHC_NEW_FSM_STATUS, 0x80), 172 WCD_MBHC_FIELD(WCD_MBHC_ADC_RESULT, WCD937X_MBHC_NEW_ADC_RESULT, 0xFF), 173 WCD_MBHC_FIELD(WCD_MBHC_MICB2_VOUT, WCD937X_ANA_MICB2, 0x3F), 174 WCD_MBHC_FIELD(WCD_MBHC_ADC_MODE, WCD937X_MBHC_NEW_CTL_1, 0x10), 175 WCD_MBHC_FIELD(WCD_MBHC_DETECTION_DONE, WCD937X_MBHC_NEW_CTL_1, 0x04), 176 WCD_MBHC_FIELD(WCD_MBHC_ELECT_ISRC_EN, WCD937X_ANA_MBHC_ZDET, 0x02), 177 }; 178 179 static const struct regmap_irq wcd937x_irqs[WCD937X_NUM_IRQS] = { 180 REGMAP_IRQ_REG(WCD937X_IRQ_MBHC_BUTTON_PRESS_DET, 0, BIT(0)), 181 REGMAP_IRQ_REG(WCD937X_IRQ_MBHC_BUTTON_RELEASE_DET, 0, BIT(1)), 182 REGMAP_IRQ_REG(WCD937X_IRQ_MBHC_ELECT_INS_REM_DET, 0, BIT(2)), 183 REGMAP_IRQ_REG(WCD937X_IRQ_MBHC_ELECT_INS_REM_LEG_DET, 0, BIT(3)), 184 REGMAP_IRQ_REG(WCD937X_IRQ_MBHC_SW_DET, 0, BIT(4)), 185 REGMAP_IRQ_REG(WCD937X_IRQ_HPHR_OCP_INT, 0, BIT(5)), 186 REGMAP_IRQ_REG(WCD937X_IRQ_HPHR_CNP_INT, 0, BIT(6)), 187 REGMAP_IRQ_REG(WCD937X_IRQ_HPHL_OCP_INT, 0, BIT(7)), 188 REGMAP_IRQ_REG(WCD937X_IRQ_HPHL_CNP_INT, 1, BIT(0)), 189 REGMAP_IRQ_REG(WCD937X_IRQ_EAR_CNP_INT, 1, BIT(1)), 190 REGMAP_IRQ_REG(WCD937X_IRQ_EAR_SCD_INT, 1, BIT(2)), 191 REGMAP_IRQ_REG(WCD937X_IRQ_AUX_CNP_INT, 1, BIT(3)), 192 REGMAP_IRQ_REG(WCD937X_IRQ_AUX_SCD_INT, 1, BIT(4)), 193 REGMAP_IRQ_REG(WCD937X_IRQ_HPHL_PDM_WD_INT, 1, BIT(5)), 194 REGMAP_IRQ_REG(WCD937X_IRQ_HPHR_PDM_WD_INT, 1, BIT(6)), 195 REGMAP_IRQ_REG(WCD937X_IRQ_AUX_PDM_WD_INT, 1, BIT(7)), 196 REGMAP_IRQ_REG(WCD937X_IRQ_LDORT_SCD_INT, 2, BIT(0)), 197 REGMAP_IRQ_REG(WCD937X_IRQ_MBHC_MOISTURE_INT, 2, BIT(1)), 198 REGMAP_IRQ_REG(WCD937X_IRQ_HPHL_SURGE_DET_INT, 2, BIT(2)), 199 REGMAP_IRQ_REG(WCD937X_IRQ_HPHR_SURGE_DET_INT, 2, BIT(3)), 200 }; 201 202 static int wcd937x_handle_post_irq(void *data) 203 { 204 struct wcd937x_priv *wcd937x; 205 206 if (data) 207 wcd937x = (struct wcd937x_priv *)data; 208 else 209 return IRQ_HANDLED; 210 211 regmap_write(wcd937x->regmap, WCD937X_DIGITAL_INTR_CLEAR_0, 0); 212 regmap_write(wcd937x->regmap, WCD937X_DIGITAL_INTR_CLEAR_1, 0); 213 regmap_write(wcd937x->regmap, WCD937X_DIGITAL_INTR_CLEAR_2, 0); 214 215 return IRQ_HANDLED; 216 } 217 218 static const u32 wcd937x_config_regs[] = { 219 WCD937X_DIGITAL_INTR_LEVEL_0, 220 }; 221 222 static const struct regmap_irq_chip wcd937x_regmap_irq_chip = { 223 .name = "wcd937x", 224 .irqs = wcd937x_irqs, 225 .num_irqs = ARRAY_SIZE(wcd937x_irqs), 226 .num_regs = 3, 227 .status_base = WCD937X_DIGITAL_INTR_STATUS_0, 228 .mask_base = WCD937X_DIGITAL_INTR_MASK_0, 229 .ack_base = WCD937X_DIGITAL_INTR_CLEAR_0, 230 .use_ack = 1, 231 .clear_ack = 1, 232 .config_base = wcd937x_config_regs, 233 .num_config_bases = ARRAY_SIZE(wcd937x_config_regs), 234 .num_config_regs = 1, 235 .runtime_pm = true, 236 .handle_post_irq = wcd937x_handle_post_irq, 237 .irq_drv_data = NULL, 238 }; 239 240 static void wcd937x_reset(struct wcd937x_priv *wcd937x) 241 { 242 gpiod_set_value(wcd937x->reset_gpio, 1); 243 usleep_range(20, 30); 244 gpiod_set_value(wcd937x->reset_gpio, 0); 245 usleep_range(20, 30); 246 } 247 248 static void wcd937x_io_init(struct regmap *regmap) 249 { 250 u32 val = 0, temp = 0, temp1 = 0; 251 252 regmap_read(regmap, WCD937X_DIGITAL_EFUSE_REG_29, &val); 253 254 val = val & 0x0F; 255 256 regmap_read(regmap, WCD937X_DIGITAL_EFUSE_REG_16, &temp); 257 regmap_read(regmap, WCD937X_DIGITAL_EFUSE_REG_17, &temp1); 258 259 if (temp == 0x02 || temp1 > 0x09) 260 regmap_update_bits(regmap, WCD937X_SLEEP_CTL, 0x0E, val); 261 else 262 regmap_update_bits(regmap, WCD937X_SLEEP_CTL, 0x0e, 0x0e); 263 264 regmap_update_bits(regmap, WCD937X_SLEEP_CTL, 0x80, 0x80); 265 usleep_range(1000, 1010); 266 267 regmap_update_bits(regmap, WCD937X_SLEEP_CTL, 0x40, 0x40); 268 usleep_range(1000, 1010); 269 270 regmap_update_bits(regmap, WCD937X_LDORXTX_CONFIG, BIT(4), 0x00); 271 regmap_update_bits(regmap, WCD937X_BIAS_VBG_FINE_ADJ, 0xf0, BIT(7)); 272 regmap_update_bits(regmap, WCD937X_ANA_BIAS, BIT(7), BIT(7)); 273 regmap_update_bits(regmap, WCD937X_ANA_BIAS, BIT(6), BIT(6)); 274 usleep_range(10000, 10010); 275 276 regmap_update_bits(regmap, WCD937X_ANA_BIAS, BIT(6), 0x00); 277 regmap_update_bits(regmap, WCD937X_HPH_SURGE_HPHLR_SURGE_EN, 0xff, 0xd9); 278 regmap_update_bits(regmap, WCD937X_MICB1_TEST_CTL_1, 0xff, 0xfa); 279 regmap_update_bits(regmap, WCD937X_MICB2_TEST_CTL_1, 0xff, 0xfa); 280 regmap_update_bits(regmap, WCD937X_MICB3_TEST_CTL_1, 0xff, 0xfa); 281 282 regmap_update_bits(regmap, WCD937X_MICB1_TEST_CTL_2, 0x38, 0x00); 283 regmap_update_bits(regmap, WCD937X_MICB2_TEST_CTL_2, 0x38, 0x00); 284 regmap_update_bits(regmap, WCD937X_MICB3_TEST_CTL_2, 0x38, 0x00); 285 286 /* Set Bandgap Fine Adjustment to +5mV for Tanggu SMIC part */ 287 regmap_read(regmap, WCD937X_DIGITAL_EFUSE_REG_16, &val); 288 if (val == 0x01) { 289 regmap_update_bits(regmap, WCD937X_BIAS_VBG_FINE_ADJ, 0xF0, 0xB0); 290 } else if (val == 0x02) { 291 regmap_update_bits(regmap, WCD937X_HPH_NEW_INT_RDAC_HD2_CTL_L, 0x1F, 0x04); 292 regmap_update_bits(regmap, WCD937X_HPH_NEW_INT_RDAC_HD2_CTL_R, 0x1F, 0x04); 293 regmap_update_bits(regmap, WCD937X_BIAS_VBG_FINE_ADJ, 0xF0, 0xB0); 294 regmap_update_bits(regmap, WCD937X_HPH_NEW_INT_RDAC_GAIN_CTL, 0xF0, 0x50); 295 } 296 } 297 298 static int wcd937x_rx_clk_enable(struct snd_soc_component *component) 299 { 300 struct wcd937x_priv *wcd937x = snd_soc_component_get_drvdata(component); 301 302 if (atomic_read(&wcd937x->rx_clk_cnt)) 303 return 0; 304 305 snd_soc_component_update_bits(component, WCD937X_DIGITAL_CDC_DIG_CLK_CTL, BIT(3), BIT(3)); 306 snd_soc_component_update_bits(component, WCD937X_DIGITAL_CDC_ANA_CLK_CTL, BIT(0), BIT(0)); 307 snd_soc_component_update_bits(component, WCD937X_ANA_RX_SUPPLIES, BIT(0), BIT(0)); 308 snd_soc_component_update_bits(component, WCD937X_DIGITAL_CDC_RX0_CTL, BIT(6), 0x00); 309 snd_soc_component_update_bits(component, WCD937X_DIGITAL_CDC_RX1_CTL, BIT(6), 0x00); 310 snd_soc_component_update_bits(component, WCD937X_DIGITAL_CDC_RX2_CTL, BIT(6), 0x00); 311 snd_soc_component_update_bits(component, WCD937X_DIGITAL_CDC_ANA_CLK_CTL, BIT(1), BIT(1)); 312 313 atomic_inc(&wcd937x->rx_clk_cnt); 314 315 return 0; 316 } 317 318 static int wcd937x_rx_clk_disable(struct snd_soc_component *component) 319 { 320 struct wcd937x_priv *wcd937x = snd_soc_component_get_drvdata(component); 321 322 if (!atomic_read(&wcd937x->rx_clk_cnt)) { 323 dev_err(component->dev, "clk already disabled\n"); 324 return 0; 325 } 326 327 atomic_dec(&wcd937x->rx_clk_cnt); 328 329 snd_soc_component_update_bits(component, WCD937X_ANA_RX_SUPPLIES, BIT(0), 0x00); 330 snd_soc_component_update_bits(component, WCD937X_DIGITAL_CDC_ANA_CLK_CTL, BIT(1), 0x00); 331 snd_soc_component_update_bits(component, WCD937X_DIGITAL_CDC_ANA_CLK_CTL, BIT(0), 0x00); 332 333 return 0; 334 } 335 336 static int wcd937x_codec_hphl_dac_event(struct snd_soc_dapm_widget *w, 337 struct snd_kcontrol *kcontrol, 338 int event) 339 { 340 struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm); 341 struct wcd937x_priv *wcd937x = snd_soc_component_get_drvdata(component); 342 int hph_mode = wcd937x->hph_mode; 343 344 switch (event) { 345 case SND_SOC_DAPM_PRE_PMU: 346 wcd937x_rx_clk_enable(component); 347 snd_soc_component_update_bits(component, 348 WCD937X_DIGITAL_CDC_DIG_CLK_CTL, 349 BIT(0), BIT(0)); 350 snd_soc_component_update_bits(component, 351 WCD937X_DIGITAL_CDC_HPH_GAIN_CTL, 352 BIT(2), BIT(2)); 353 snd_soc_component_update_bits(component, 354 WCD937X_HPH_RDAC_CLK_CTL1, 355 BIT(7), 0x00); 356 set_bit(HPH_COMP_DELAY, &wcd937x->status_mask); 357 break; 358 case SND_SOC_DAPM_POST_PMU: 359 if (hph_mode == CLS_AB_HIFI || hph_mode == CLS_H_HIFI) 360 snd_soc_component_update_bits(component, 361 WCD937X_HPH_NEW_INT_RDAC_HD2_CTL_L, 362 0x0f, BIT(1)); 363 else if (hph_mode == CLS_H_LOHIFI) 364 snd_soc_component_update_bits(component, 365 WCD937X_HPH_NEW_INT_RDAC_HD2_CTL_L, 366 0x0f, 0x06); 367 368 if (wcd937x->comp1_enable) { 369 snd_soc_component_update_bits(component, 370 WCD937X_DIGITAL_CDC_COMP_CTL_0, 371 BIT(1), BIT(1)); 372 snd_soc_component_update_bits(component, 373 WCD937X_HPH_L_EN, 374 BIT(5), 0x00); 375 376 if (wcd937x->comp2_enable) { 377 snd_soc_component_update_bits(component, 378 WCD937X_DIGITAL_CDC_COMP_CTL_0, 379 BIT(0), BIT(0)); 380 snd_soc_component_update_bits(component, 381 WCD937X_HPH_R_EN, BIT(5), 0x00); 382 } 383 384 if (test_bit(HPH_COMP_DELAY, &wcd937x->status_mask)) { 385 usleep_range(5000, 5110); 386 clear_bit(HPH_COMP_DELAY, &wcd937x->status_mask); 387 } 388 } else { 389 snd_soc_component_update_bits(component, 390 WCD937X_DIGITAL_CDC_COMP_CTL_0, 391 BIT(1), 0x00); 392 snd_soc_component_update_bits(component, 393 WCD937X_HPH_L_EN, 394 BIT(5), BIT(5)); 395 } 396 397 snd_soc_component_update_bits(component, 398 WCD937X_HPH_NEW_INT_HPH_TIMER1, 399 BIT(1), 0x00); 400 break; 401 case SND_SOC_DAPM_POST_PMD: 402 snd_soc_component_update_bits(component, 403 WCD937X_HPH_NEW_INT_RDAC_HD2_CTL_L, 404 0x0f, BIT(0)); 405 break; 406 } 407 408 return 0; 409 } 410 411 static int wcd937x_codec_hphr_dac_event(struct snd_soc_dapm_widget *w, 412 struct snd_kcontrol *kcontrol, 413 int event) 414 { 415 struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm); 416 struct wcd937x_priv *wcd937x = snd_soc_component_get_drvdata(component); 417 int hph_mode = wcd937x->hph_mode; 418 419 switch (event) { 420 case SND_SOC_DAPM_PRE_PMU: 421 wcd937x_rx_clk_enable(component); 422 snd_soc_component_update_bits(component, 423 WCD937X_DIGITAL_CDC_DIG_CLK_CTL, BIT(1), BIT(1)); 424 snd_soc_component_update_bits(component, 425 WCD937X_DIGITAL_CDC_HPH_GAIN_CTL, BIT(3), BIT(3)); 426 snd_soc_component_update_bits(component, 427 WCD937X_HPH_RDAC_CLK_CTL1, BIT(7), 0x00); 428 set_bit(HPH_COMP_DELAY, &wcd937x->status_mask); 429 break; 430 case SND_SOC_DAPM_POST_PMU: 431 if (hph_mode == CLS_AB_HIFI || hph_mode == CLS_H_HIFI) 432 snd_soc_component_update_bits(component, 433 WCD937X_HPH_NEW_INT_RDAC_HD2_CTL_R, 434 0x0f, BIT(1)); 435 else if (hph_mode == CLS_H_LOHIFI) 436 snd_soc_component_update_bits(component, 437 WCD937X_HPH_NEW_INT_RDAC_HD2_CTL_R, 438 0x0f, 0x06); 439 if (wcd937x->comp2_enable) { 440 snd_soc_component_update_bits(component, 441 WCD937X_DIGITAL_CDC_COMP_CTL_0, 442 BIT(0), BIT(0)); 443 snd_soc_component_update_bits(component, 444 WCD937X_HPH_R_EN, BIT(5), 0x00); 445 if (wcd937x->comp1_enable) { 446 snd_soc_component_update_bits(component, 447 WCD937X_DIGITAL_CDC_COMP_CTL_0, 448 BIT(1), BIT(1)); 449 snd_soc_component_update_bits(component, 450 WCD937X_HPH_L_EN, 451 BIT(5), 0x00); 452 } 453 454 if (test_bit(HPH_COMP_DELAY, &wcd937x->status_mask)) { 455 usleep_range(5000, 5110); 456 clear_bit(HPH_COMP_DELAY, &wcd937x->status_mask); 457 } 458 } else { 459 snd_soc_component_update_bits(component, 460 WCD937X_DIGITAL_CDC_COMP_CTL_0, 461 BIT(0), 0x00); 462 snd_soc_component_update_bits(component, 463 WCD937X_HPH_R_EN, 464 BIT(5), BIT(5)); 465 } 466 snd_soc_component_update_bits(component, 467 WCD937X_HPH_NEW_INT_HPH_TIMER1, 468 BIT(1), 0x00); 469 break; 470 case SND_SOC_DAPM_POST_PMD: 471 snd_soc_component_update_bits(component, 472 WCD937X_HPH_NEW_INT_RDAC_HD2_CTL_R, 473 0x0f, BIT(0)); 474 break; 475 } 476 477 return 0; 478 } 479 480 static int wcd937x_codec_ear_dac_event(struct snd_soc_dapm_widget *w, 481 struct snd_kcontrol *kcontrol, 482 int event) 483 { 484 struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm); 485 struct wcd937x_priv *wcd937x = snd_soc_component_get_drvdata(component); 486 int hph_mode = wcd937x->hph_mode; 487 488 switch (event) { 489 case SND_SOC_DAPM_PRE_PMU: 490 wcd937x_rx_clk_enable(component); 491 snd_soc_component_update_bits(component, 492 WCD937X_DIGITAL_CDC_HPH_GAIN_CTL, 493 BIT(2), BIT(2)); 494 snd_soc_component_update_bits(component, 495 WCD937X_DIGITAL_CDC_DIG_CLK_CTL, 496 BIT(0), BIT(0)); 497 498 if (hph_mode == CLS_AB_HIFI || hph_mode == CLS_H_HIFI) 499 snd_soc_component_update_bits(component, 500 WCD937X_HPH_NEW_INT_RDAC_HD2_CTL_L, 501 0x0f, BIT(1)); 502 else if (hph_mode == CLS_H_LOHIFI) 503 snd_soc_component_update_bits(component, 504 WCD937X_HPH_NEW_INT_RDAC_HD2_CTL_L, 505 0x0f, 0x06); 506 if (wcd937x->comp1_enable) 507 snd_soc_component_update_bits(component, 508 WCD937X_DIGITAL_CDC_COMP_CTL_0, 509 BIT(1), BIT(1)); 510 usleep_range(5000, 5010); 511 512 snd_soc_component_update_bits(component, WCD937X_FLYBACK_EN, BIT(2), 0x00); 513 wcd_clsh_ctrl_set_state(wcd937x->clsh_info, 514 WCD_CLSH_EVENT_PRE_DAC, 515 WCD_CLSH_STATE_EAR, 516 hph_mode); 517 518 break; 519 case SND_SOC_DAPM_POST_PMD: 520 if (hph_mode == CLS_AB_HIFI || hph_mode == CLS_H_LOHIFI || 521 hph_mode == CLS_H_HIFI) 522 snd_soc_component_update_bits(component, 523 WCD937X_HPH_NEW_INT_RDAC_HD2_CTL_L, 524 0x0f, BIT(0)); 525 if (wcd937x->comp1_enable) 526 snd_soc_component_update_bits(component, 527 WCD937X_DIGITAL_CDC_COMP_CTL_0, 528 BIT(1), 0x00); 529 break; 530 } 531 532 return 0; 533 } 534 535 static int wcd937x_codec_aux_dac_event(struct snd_soc_dapm_widget *w, 536 struct snd_kcontrol *kcontrol, 537 int event) 538 { 539 struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm); 540 struct wcd937x_priv *wcd937x = snd_soc_component_get_drvdata(component); 541 int hph_mode = wcd937x->hph_mode; 542 543 switch (event) { 544 case SND_SOC_DAPM_PRE_PMU: 545 wcd937x_rx_clk_enable(component); 546 snd_soc_component_update_bits(component, 547 WCD937X_DIGITAL_CDC_ANA_CLK_CTL, 548 BIT(2), BIT(2)); 549 snd_soc_component_update_bits(component, 550 WCD937X_DIGITAL_CDC_DIG_CLK_CTL, 551 BIT(2), BIT(2)); 552 snd_soc_component_update_bits(component, 553 WCD937X_DIGITAL_CDC_AUX_GAIN_CTL, 554 BIT(0), BIT(0)); 555 wcd_clsh_ctrl_set_state(wcd937x->clsh_info, 556 WCD_CLSH_EVENT_PRE_DAC, 557 WCD_CLSH_STATE_AUX, 558 hph_mode); 559 560 break; 561 case SND_SOC_DAPM_POST_PMD: 562 snd_soc_component_update_bits(component, 563 WCD937X_DIGITAL_CDC_ANA_CLK_CTL, 564 BIT(2), 0x00); 565 break; 566 } 567 568 return 0; 569 } 570 571 static int wcd937x_codec_enable_hphr_pa(struct snd_soc_dapm_widget *w, 572 struct snd_kcontrol *kcontrol, 573 int event) 574 { 575 struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm); 576 struct wcd937x_priv *wcd937x = snd_soc_component_get_drvdata(component); 577 int hph_mode = wcd937x->hph_mode; 578 579 switch (event) { 580 case SND_SOC_DAPM_PRE_PMU: 581 wcd_clsh_ctrl_set_state(wcd937x->clsh_info, 582 WCD_CLSH_EVENT_PRE_DAC, 583 WCD_CLSH_STATE_HPHR, 584 hph_mode); 585 snd_soc_component_update_bits(component, WCD937X_ANA_HPH, 586 BIT(4), BIT(4)); 587 usleep_range(100, 110); 588 set_bit(HPH_PA_DELAY, &wcd937x->status_mask); 589 snd_soc_component_update_bits(component, 590 WCD937X_DIGITAL_PDM_WD_CTL1, 591 0x07, 0x03); 592 break; 593 case SND_SOC_DAPM_POST_PMU: 594 if (test_bit(HPH_PA_DELAY, &wcd937x->status_mask)) { 595 if (wcd937x->comp2_enable) 596 usleep_range(7000, 7100); 597 else 598 usleep_range(20000, 20100); 599 clear_bit(HPH_PA_DELAY, &wcd937x->status_mask); 600 } 601 602 snd_soc_component_update_bits(component, 603 WCD937X_HPH_NEW_INT_HPH_TIMER1, 604 BIT(1), BIT(1)); 605 if (hph_mode == CLS_AB || hph_mode == CLS_AB_HIFI) 606 snd_soc_component_update_bits(component, 607 WCD937X_ANA_RX_SUPPLIES, 608 BIT(1), BIT(1)); 609 enable_irq(wcd937x->hphr_pdm_wd_int); 610 break; 611 case SND_SOC_DAPM_PRE_PMD: 612 disable_irq_nosync(wcd937x->hphr_pdm_wd_int); 613 set_bit(HPH_PA_DELAY, &wcd937x->status_mask); 614 wcd_mbhc_event_notify(wcd937x->wcd_mbhc, WCD_EVENT_PRE_HPHR_PA_OFF); 615 break; 616 case SND_SOC_DAPM_POST_PMD: 617 if (test_bit(HPH_PA_DELAY, &wcd937x->status_mask)) { 618 if (wcd937x->comp2_enable) 619 usleep_range(7000, 7100); 620 else 621 usleep_range(20000, 20100); 622 clear_bit(HPH_PA_DELAY, &wcd937x->status_mask); 623 } 624 625 wcd_mbhc_event_notify(wcd937x->wcd_mbhc, WCD_EVENT_POST_HPHR_PA_OFF); 626 snd_soc_component_update_bits(component, 627 WCD937X_DIGITAL_PDM_WD_CTL1, 0x07, 0x00); 628 snd_soc_component_update_bits(component, WCD937X_ANA_HPH, 629 BIT(4), 0x00); 630 wcd_clsh_ctrl_set_state(wcd937x->clsh_info, 631 WCD_CLSH_EVENT_POST_PA, 632 WCD_CLSH_STATE_HPHR, 633 hph_mode); 634 break; 635 } 636 637 return 0; 638 } 639 640 static int wcd937x_codec_enable_hphl_pa(struct snd_soc_dapm_widget *w, 641 struct snd_kcontrol *kcontrol, 642 int event) 643 { 644 struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm); 645 struct wcd937x_priv *wcd937x = snd_soc_component_get_drvdata(component); 646 int hph_mode = wcd937x->hph_mode; 647 648 switch (event) { 649 case SND_SOC_DAPM_PRE_PMU: 650 wcd_clsh_ctrl_set_state(wcd937x->clsh_info, 651 WCD_CLSH_EVENT_PRE_DAC, 652 WCD_CLSH_STATE_HPHL, 653 hph_mode); 654 snd_soc_component_update_bits(component, WCD937X_ANA_HPH, 655 BIT(5), BIT(5)); 656 usleep_range(100, 110); 657 set_bit(HPH_PA_DELAY, &wcd937x->status_mask); 658 snd_soc_component_update_bits(component, 659 WCD937X_DIGITAL_PDM_WD_CTL0, 0x07, 0x03); 660 break; 661 case SND_SOC_DAPM_POST_PMU: 662 if (test_bit(HPH_PA_DELAY, &wcd937x->status_mask)) { 663 if (!wcd937x->comp1_enable) 664 usleep_range(20000, 20100); 665 else 666 usleep_range(7000, 7100); 667 clear_bit(HPH_PA_DELAY, &wcd937x->status_mask); 668 } 669 670 snd_soc_component_update_bits(component, 671 WCD937X_HPH_NEW_INT_HPH_TIMER1, 672 BIT(1), BIT(1)); 673 if (hph_mode == CLS_AB || hph_mode == CLS_AB_HIFI) 674 snd_soc_component_update_bits(component, 675 WCD937X_ANA_RX_SUPPLIES, 676 BIT(1), BIT(1)); 677 enable_irq(wcd937x->hphl_pdm_wd_int); 678 break; 679 case SND_SOC_DAPM_PRE_PMD: 680 disable_irq_nosync(wcd937x->hphl_pdm_wd_int); 681 set_bit(HPH_PA_DELAY, &wcd937x->status_mask); 682 wcd_mbhc_event_notify(wcd937x->wcd_mbhc, WCD_EVENT_PRE_HPHL_PA_OFF); 683 break; 684 case SND_SOC_DAPM_POST_PMD: 685 if (test_bit(HPH_PA_DELAY, &wcd937x->status_mask)) { 686 if (!wcd937x->comp1_enable) 687 usleep_range(20000, 20100); 688 else 689 usleep_range(7000, 7100); 690 clear_bit(HPH_PA_DELAY, &wcd937x->status_mask); 691 } 692 693 wcd_mbhc_event_notify(wcd937x->wcd_mbhc, WCD_EVENT_POST_HPHL_PA_OFF); 694 snd_soc_component_update_bits(component, 695 WCD937X_DIGITAL_PDM_WD_CTL0, 0x07, 0x00); 696 snd_soc_component_update_bits(component, 697 WCD937X_ANA_HPH, BIT(5), 0x00); 698 wcd_clsh_ctrl_set_state(wcd937x->clsh_info, 699 WCD_CLSH_EVENT_POST_PA, 700 WCD_CLSH_STATE_HPHL, 701 hph_mode); 702 break; 703 } 704 705 return 0; 706 } 707 708 static int wcd937x_codec_enable_aux_pa(struct snd_soc_dapm_widget *w, 709 struct snd_kcontrol *kcontrol, 710 int event) 711 { 712 struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm); 713 struct wcd937x_priv *wcd937x = snd_soc_component_get_drvdata(component); 714 int hph_mode = wcd937x->hph_mode; 715 u8 val; 716 717 switch (event) { 718 case SND_SOC_DAPM_PRE_PMU: 719 val = WCD937X_DIGITAL_PDM_WD_CTL2_EN | 720 WCD937X_DIGITAL_PDM_WD_CTL2_TIMEOUT_SEL | 721 WCD937X_DIGITAL_PDM_WD_CTL2_HOLD_OFF; 722 snd_soc_component_update_bits(component, 723 WCD937X_DIGITAL_PDM_WD_CTL2, 724 WCD937X_DIGITAL_PDM_WD_CTL2_MASK, 725 val); 726 break; 727 case SND_SOC_DAPM_POST_PMU: 728 usleep_range(1000, 1010); 729 if (hph_mode == CLS_AB || hph_mode == CLS_AB_HIFI) 730 snd_soc_component_update_bits(component, 731 WCD937X_ANA_RX_SUPPLIES, 732 BIT(1), BIT(1)); 733 enable_irq(wcd937x->aux_pdm_wd_int); 734 break; 735 case SND_SOC_DAPM_PRE_PMD: 736 disable_irq_nosync(wcd937x->aux_pdm_wd_int); 737 break; 738 case SND_SOC_DAPM_POST_PMD: 739 usleep_range(2000, 2010); 740 wcd_clsh_ctrl_set_state(wcd937x->clsh_info, 741 WCD_CLSH_EVENT_POST_PA, 742 WCD_CLSH_STATE_AUX, 743 hph_mode); 744 snd_soc_component_update_bits(component, 745 WCD937X_DIGITAL_PDM_WD_CTL2, 746 WCD937X_DIGITAL_PDM_WD_CTL2_MASK, 747 0x00); 748 break; 749 } 750 751 return 0; 752 } 753 754 static int wcd937x_codec_enable_ear_pa(struct snd_soc_dapm_widget *w, 755 struct snd_kcontrol *kcontrol, 756 int event) 757 { 758 struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm); 759 struct wcd937x_priv *wcd937x = snd_soc_component_get_drvdata(component); 760 int hph_mode = wcd937x->hph_mode; 761 762 switch (event) { 763 case SND_SOC_DAPM_PRE_PMU: 764 /* Enable watchdog interrupt for HPHL or AUX depending on mux value */ 765 wcd937x->ear_rx_path = snd_soc_component_read(component, 766 WCD937X_DIGITAL_CDC_EAR_PATH_CTL); 767 768 if (wcd937x->ear_rx_path & EAR_RX_PATH_AUX) 769 snd_soc_component_update_bits(component, 770 WCD937X_DIGITAL_PDM_WD_CTL2, 771 BIT(0), BIT(0)); 772 else 773 snd_soc_component_update_bits(component, 774 WCD937X_DIGITAL_PDM_WD_CTL0, 775 0x07, 0x03); 776 if (!wcd937x->comp1_enable) 777 snd_soc_component_update_bits(component, 778 WCD937X_ANA_EAR_COMPANDER_CTL, 779 BIT(7), BIT(7)); 780 break; 781 case SND_SOC_DAPM_POST_PMU: 782 usleep_range(6000, 6010); 783 if (hph_mode == CLS_AB || hph_mode == CLS_AB_HIFI) 784 snd_soc_component_update_bits(component, 785 WCD937X_ANA_RX_SUPPLIES, 786 BIT(1), BIT(1)); 787 788 if (wcd937x->ear_rx_path & EAR_RX_PATH_AUX) 789 enable_irq(wcd937x->aux_pdm_wd_int); 790 else 791 enable_irq(wcd937x->hphl_pdm_wd_int); 792 break; 793 case SND_SOC_DAPM_PRE_PMD: 794 if (wcd937x->ear_rx_path & EAR_RX_PATH_AUX) 795 disable_irq_nosync(wcd937x->aux_pdm_wd_int); 796 else 797 disable_irq_nosync(wcd937x->hphl_pdm_wd_int); 798 break; 799 case SND_SOC_DAPM_POST_PMD: 800 if (!wcd937x->comp1_enable) 801 snd_soc_component_update_bits(component, 802 WCD937X_ANA_EAR_COMPANDER_CTL, 803 BIT(7), 0x00); 804 usleep_range(7000, 7010); 805 wcd_clsh_ctrl_set_state(wcd937x->clsh_info, 806 WCD_CLSH_EVENT_POST_PA, 807 WCD_CLSH_STATE_EAR, 808 hph_mode); 809 snd_soc_component_update_bits(component, WCD937X_FLYBACK_EN, 810 BIT(2), BIT(2)); 811 812 if (wcd937x->ear_rx_path & EAR_RX_PATH_AUX) 813 snd_soc_component_update_bits(component, 814 WCD937X_DIGITAL_PDM_WD_CTL2, 815 BIT(0), 0x00); 816 else 817 snd_soc_component_update_bits(component, 818 WCD937X_DIGITAL_PDM_WD_CTL0, 819 0x07, 0x00); 820 break; 821 } 822 823 return 0; 824 } 825 826 static int wcd937x_enable_rx1(struct snd_soc_dapm_widget *w, 827 struct snd_kcontrol *kcontrol, 828 int event) 829 { 830 struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm); 831 832 if (event == SND_SOC_DAPM_POST_PMD) { 833 wcd937x_rx_clk_disable(component); 834 snd_soc_component_update_bits(component, 835 WCD937X_DIGITAL_CDC_DIG_CLK_CTL, 836 BIT(0), 0x00); 837 } 838 839 return 0; 840 } 841 842 static int wcd937x_enable_rx2(struct snd_soc_dapm_widget *w, 843 struct snd_kcontrol *kcontrol, int event) 844 { 845 struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm); 846 847 if (event == SND_SOC_DAPM_POST_PMD) { 848 wcd937x_rx_clk_disable(component); 849 snd_soc_component_update_bits(component, 850 WCD937X_DIGITAL_CDC_DIG_CLK_CTL, 851 BIT(1), 0x00); 852 } 853 854 return 0; 855 } 856 857 static int wcd937x_enable_rx3(struct snd_soc_dapm_widget *w, 858 struct snd_kcontrol *kcontrol, 859 int event) 860 { 861 struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm); 862 863 if (event == SND_SOC_DAPM_POST_PMD) { 864 usleep_range(6000, 6010); 865 wcd937x_rx_clk_disable(component); 866 snd_soc_component_update_bits(component, 867 WCD937X_DIGITAL_CDC_DIG_CLK_CTL, 868 BIT(2), 0x00); 869 } 870 871 return 0; 872 } 873 874 875 static int wcd937x_tx_swr_ctrl(struct snd_soc_dapm_widget *w, 876 struct snd_kcontrol *kcontrol, int event) 877 { 878 struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm); 879 struct wcd937x_priv *wcd937x = snd_soc_component_get_drvdata(component); 880 bool use_amic3 = snd_soc_component_read(component, WCD937X_TX_NEW_TX_CH2_SEL) & BIT(7); 881 882 /* Enable BCS for Headset mic */ 883 if (event == SND_SOC_DAPM_PRE_PMU && strnstr(w->name, "ADC", sizeof("ADC"))) 884 if (w->shift == 1 && !use_amic3) 885 set_bit(AMIC2_BCS_ENABLE, &wcd937x->status_mask); 886 887 return 0; 888 } 889 890 static int wcd937x_codec_enable_adc(struct snd_soc_dapm_widget *w, 891 struct snd_kcontrol *kcontrol, int event) 892 { 893 struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm); 894 struct wcd937x_priv *wcd937x = snd_soc_component_get_drvdata(component); 895 896 switch (event) { 897 case SND_SOC_DAPM_PRE_PMU: 898 atomic_inc(&wcd937x->ana_clk_count); 899 snd_soc_component_update_bits(component, 900 WCD937X_DIGITAL_CDC_DIG_CLK_CTL, BIT(7), BIT(7)); 901 snd_soc_component_update_bits(component, 902 WCD937X_DIGITAL_CDC_ANA_CLK_CTL, BIT(3), BIT(3)); 903 snd_soc_component_update_bits(component, 904 WCD937X_DIGITAL_CDC_ANA_CLK_CTL, BIT(4), BIT(4)); 905 break; 906 case SND_SOC_DAPM_POST_PMD: 907 if (w->shift == 1 && test_bit(AMIC2_BCS_ENABLE, &wcd937x->status_mask)) 908 clear_bit(AMIC2_BCS_ENABLE, &wcd937x->status_mask); 909 910 snd_soc_component_update_bits(component, 911 WCD937X_DIGITAL_CDC_ANA_CLK_CTL, BIT(3), 0x00); 912 break; 913 } 914 915 return 0; 916 } 917 918 static int wcd937x_enable_req(struct snd_soc_dapm_widget *w, 919 struct snd_kcontrol *kcontrol, int event) 920 { 921 struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm); 922 struct wcd937x_priv *wcd937x = snd_soc_component_get_drvdata(component); 923 924 switch (event) { 925 case SND_SOC_DAPM_PRE_PMU: 926 snd_soc_component_update_bits(component, 927 WCD937X_DIGITAL_CDC_REQ_CTL, BIT(1), BIT(1)); 928 snd_soc_component_update_bits(component, 929 WCD937X_DIGITAL_CDC_REQ_CTL, BIT(0), 0x00); 930 snd_soc_component_update_bits(component, 931 WCD937X_ANA_TX_CH2, BIT(6), BIT(6)); 932 snd_soc_component_update_bits(component, 933 WCD937X_ANA_TX_CH3_HPF, BIT(6), BIT(6)); 934 snd_soc_component_update_bits(component, 935 WCD937X_DIGITAL_CDC_DIG_CLK_CTL, 0x70, 0x70); 936 snd_soc_component_update_bits(component, 937 WCD937X_ANA_TX_CH1, BIT(7), BIT(7)); 938 snd_soc_component_update_bits(component, 939 WCD937X_ANA_TX_CH2, BIT(6), 0x00); 940 snd_soc_component_update_bits(component, 941 WCD937X_ANA_TX_CH2, BIT(7), BIT(7)); 942 snd_soc_component_update_bits(component, 943 WCD937X_ANA_TX_CH3, BIT(7), BIT(7)); 944 break; 945 case SND_SOC_DAPM_POST_PMD: 946 snd_soc_component_update_bits(component, 947 WCD937X_ANA_TX_CH1, BIT(7), 0x00); 948 snd_soc_component_update_bits(component, 949 WCD937X_ANA_TX_CH2, BIT(7), 0x00); 950 snd_soc_component_update_bits(component, 951 WCD937X_ANA_TX_CH3, BIT(7), 0x00); 952 snd_soc_component_update_bits(component, 953 WCD937X_DIGITAL_CDC_DIG_CLK_CTL, BIT(4), 0x00); 954 955 atomic_dec(&wcd937x->ana_clk_count); 956 if (atomic_read(&wcd937x->ana_clk_count) <= 0) { 957 snd_soc_component_update_bits(component, 958 WCD937X_DIGITAL_CDC_ANA_CLK_CTL, 959 BIT(4), 0x00); 960 atomic_set(&wcd937x->ana_clk_count, 0); 961 } 962 963 snd_soc_component_update_bits(component, 964 WCD937X_DIGITAL_CDC_DIG_CLK_CTL, 965 BIT(7), 0x00); 966 break; 967 } 968 969 return 0; 970 } 971 972 static int wcd937x_codec_enable_dmic(struct snd_soc_dapm_widget *w, 973 struct snd_kcontrol *kcontrol, 974 int event) 975 { 976 struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm); 977 u16 dmic_clk_reg; 978 979 switch (w->shift) { 980 case 0: 981 case 1: 982 dmic_clk_reg = WCD937X_DIGITAL_CDC_DMIC1_CTL; 983 break; 984 case 2: 985 case 3: 986 dmic_clk_reg = WCD937X_DIGITAL_CDC_DMIC2_CTL; 987 break; 988 case 4: 989 case 5: 990 dmic_clk_reg = WCD937X_DIGITAL_CDC_DMIC3_CTL; 991 break; 992 default: 993 dev_err(component->dev, "Invalid DMIC Selection\n"); 994 return -EINVAL; 995 } 996 997 switch (event) { 998 case SND_SOC_DAPM_PRE_PMU: 999 snd_soc_component_update_bits(component, 1000 WCD937X_DIGITAL_CDC_DIG_CLK_CTL, 1001 BIT(7), BIT(7)); 1002 snd_soc_component_update_bits(component, 1003 dmic_clk_reg, 0x07, BIT(1)); 1004 snd_soc_component_update_bits(component, 1005 dmic_clk_reg, BIT(3), BIT(3)); 1006 snd_soc_component_update_bits(component, 1007 dmic_clk_reg, 0x70, BIT(5)); 1008 break; 1009 } 1010 1011 return 0; 1012 } 1013 1014 static int wcd937x_micbias_control(struct snd_soc_component *component, 1015 int micb_num, int req, bool is_dapm) 1016 { 1017 struct wcd937x_priv *wcd937x = snd_soc_component_get_drvdata(component); 1018 int micb_index = micb_num - 1; 1019 u16 micb_reg; 1020 1021 if (micb_index < 0 || (micb_index > WCD937X_MAX_MICBIAS - 1)) { 1022 dev_err(component->dev, "Invalid micbias index, micb_ind:%d\n", micb_index); 1023 return -EINVAL; 1024 } 1025 switch (micb_num) { 1026 case MIC_BIAS_1: 1027 micb_reg = WCD937X_ANA_MICB1; 1028 break; 1029 case MIC_BIAS_2: 1030 micb_reg = WCD937X_ANA_MICB2; 1031 break; 1032 case MIC_BIAS_3: 1033 micb_reg = WCD937X_ANA_MICB3; 1034 break; 1035 default: 1036 dev_err(component->dev, "Invalid micbias number: %d\n", micb_num); 1037 return -EINVAL; 1038 } 1039 1040 mutex_lock(&wcd937x->micb_lock); 1041 switch (req) { 1042 case MICB_PULLUP_ENABLE: 1043 wcd937x->pullup_ref[micb_index]++; 1044 if (wcd937x->pullup_ref[micb_index] == 1 && 1045 wcd937x->micb_ref[micb_index] == 0) 1046 snd_soc_component_update_bits(component, micb_reg, 1047 0xc0, BIT(7)); 1048 break; 1049 case MICB_PULLUP_DISABLE: 1050 if (wcd937x->pullup_ref[micb_index] > 0) 1051 wcd937x->pullup_ref[micb_index]++; 1052 if (wcd937x->pullup_ref[micb_index] == 0 && 1053 wcd937x->micb_ref[micb_index] == 0) 1054 snd_soc_component_update_bits(component, micb_reg, 1055 0xc0, 0x00); 1056 break; 1057 case MICB_ENABLE: 1058 wcd937x->micb_ref[micb_index]++; 1059 atomic_inc(&wcd937x->ana_clk_count); 1060 if (wcd937x->micb_ref[micb_index] == 1) { 1061 snd_soc_component_update_bits(component, 1062 WCD937X_DIGITAL_CDC_DIG_CLK_CTL, 1063 0xf0, 0xf0); 1064 snd_soc_component_update_bits(component, 1065 WCD937X_DIGITAL_CDC_ANA_CLK_CTL, 1066 BIT(4), BIT(4)); 1067 snd_soc_component_update_bits(component, 1068 WCD937X_MICB1_TEST_CTL_2, 1069 BIT(0), BIT(0)); 1070 snd_soc_component_update_bits(component, 1071 WCD937X_MICB2_TEST_CTL_2, 1072 BIT(0), BIT(0)); 1073 snd_soc_component_update_bits(component, 1074 WCD937X_MICB3_TEST_CTL_2, 1075 BIT(0), BIT(0)); 1076 snd_soc_component_update_bits(component, 1077 micb_reg, 0xc0, BIT(6)); 1078 1079 if (micb_num == MIC_BIAS_2) 1080 wcd_mbhc_event_notify(wcd937x->wcd_mbhc, 1081 WCD_EVENT_POST_MICBIAS_2_ON); 1082 1083 if (micb_num == MIC_BIAS_2 && is_dapm) 1084 wcd_mbhc_event_notify(wcd937x->wcd_mbhc, 1085 WCD_EVENT_POST_DAPM_MICBIAS_2_ON); 1086 } 1087 break; 1088 case MICB_DISABLE: 1089 atomic_dec(&wcd937x->ana_clk_count); 1090 if (wcd937x->micb_ref[micb_index] > 0) 1091 wcd937x->micb_ref[micb_index]--; 1092 if (wcd937x->micb_ref[micb_index] == 0 && 1093 wcd937x->pullup_ref[micb_index] > 0) 1094 snd_soc_component_update_bits(component, micb_reg, 1095 0xc0, BIT(7)); 1096 else if (wcd937x->micb_ref[micb_index] == 0 && 1097 wcd937x->pullup_ref[micb_index] == 0) { 1098 if (micb_num == MIC_BIAS_2) 1099 wcd_mbhc_event_notify(wcd937x->wcd_mbhc, 1100 WCD_EVENT_PRE_MICBIAS_2_OFF); 1101 1102 snd_soc_component_update_bits(component, micb_reg, 1103 0xc0, 0x00); 1104 if (micb_num == MIC_BIAS_2) 1105 wcd_mbhc_event_notify(wcd937x->wcd_mbhc, 1106 WCD_EVENT_POST_MICBIAS_2_OFF); 1107 } 1108 1109 if (is_dapm && micb_num == MIC_BIAS_2) 1110 wcd_mbhc_event_notify(wcd937x->wcd_mbhc, 1111 WCD_EVENT_POST_DAPM_MICBIAS_2_OFF); 1112 if (atomic_read(&wcd937x->ana_clk_count) <= 0) { 1113 snd_soc_component_update_bits(component, 1114 WCD937X_DIGITAL_CDC_ANA_CLK_CTL, 1115 BIT(4), 0x00); 1116 atomic_set(&wcd937x->ana_clk_count, 0); 1117 } 1118 break; 1119 } 1120 mutex_unlock(&wcd937x->micb_lock); 1121 1122 return 0; 1123 } 1124 1125 static int __wcd937x_codec_enable_micbias(struct snd_soc_dapm_widget *w, 1126 int event) 1127 { 1128 struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm); 1129 int micb_num = w->shift; 1130 1131 switch (event) { 1132 case SND_SOC_DAPM_PRE_PMU: 1133 wcd937x_micbias_control(component, micb_num, 1134 MICB_ENABLE, true); 1135 break; 1136 case SND_SOC_DAPM_POST_PMU: 1137 usleep_range(1000, 1100); 1138 break; 1139 case SND_SOC_DAPM_POST_PMD: 1140 wcd937x_micbias_control(component, micb_num, 1141 MICB_DISABLE, true); 1142 break; 1143 } 1144 1145 return 0; 1146 } 1147 1148 static int wcd937x_codec_enable_micbias(struct snd_soc_dapm_widget *w, 1149 struct snd_kcontrol *kcontrol, 1150 int event) 1151 { 1152 return __wcd937x_codec_enable_micbias(w, event); 1153 } 1154 1155 static int __wcd937x_codec_enable_micbias_pullup(struct snd_soc_dapm_widget *w, 1156 int event) 1157 { 1158 struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm); 1159 int micb_num = w->shift; 1160 1161 switch (event) { 1162 case SND_SOC_DAPM_PRE_PMU: 1163 wcd937x_micbias_control(component, micb_num, MICB_PULLUP_ENABLE, true); 1164 break; 1165 case SND_SOC_DAPM_POST_PMU: 1166 usleep_range(1000, 1100); 1167 break; 1168 case SND_SOC_DAPM_POST_PMD: 1169 wcd937x_micbias_control(component, micb_num, MICB_PULLUP_DISABLE, true); 1170 break; 1171 } 1172 1173 return 0; 1174 } 1175 1176 static int wcd937x_codec_enable_micbias_pullup(struct snd_soc_dapm_widget *w, 1177 struct snd_kcontrol *kcontrol, 1178 int event) 1179 { 1180 return __wcd937x_codec_enable_micbias_pullup(w, event); 1181 } 1182 1183 static int wcd937x_connect_port(struct wcd937x_sdw_priv *wcd, u8 port_idx, u8 ch_id, bool enable) 1184 { 1185 struct sdw_port_config *port_config = &wcd->port_config[port_idx - 1]; 1186 const struct wcd_sdw_ch_info *ch_info = &wcd->ch_info[ch_id]; 1187 u8 port_num = ch_info->port_num; 1188 u8 ch_mask = ch_info->ch_mask; 1189 u8 mstr_port_num, mstr_ch_mask; 1190 struct sdw_slave *sdev = wcd->sdev; 1191 1192 port_config->num = port_num; 1193 1194 mstr_port_num = sdev->m_port_map[port_num]; 1195 mstr_ch_mask = ch_info->master_ch_mask; 1196 1197 if (enable) { 1198 port_config->ch_mask |= ch_mask; 1199 wcd->master_channel_map[mstr_port_num] |= mstr_ch_mask; 1200 } else { 1201 port_config->ch_mask &= ~ch_mask; 1202 wcd->master_channel_map[mstr_port_num] &= ~mstr_ch_mask; 1203 } 1204 1205 return 0; 1206 } 1207 1208 static int wcd937x_rx_hph_mode_get(struct snd_kcontrol *kcontrol, 1209 struct snd_ctl_elem_value *ucontrol) 1210 { 1211 struct snd_soc_component *component = snd_kcontrol_chip(kcontrol); 1212 struct wcd937x_priv *wcd937x = snd_soc_component_get_drvdata(component); 1213 1214 ucontrol->value.integer.value[0] = wcd937x->hph_mode; 1215 return 0; 1216 } 1217 1218 static int wcd937x_rx_hph_mode_put(struct snd_kcontrol *kcontrol, 1219 struct snd_ctl_elem_value *ucontrol) 1220 { 1221 struct snd_soc_component *component = snd_kcontrol_chip(kcontrol); 1222 struct wcd937x_priv *wcd937x = snd_soc_component_get_drvdata(component); 1223 u32 mode_val; 1224 1225 mode_val = ucontrol->value.enumerated.item[0]; 1226 1227 if (!mode_val) 1228 mode_val = CLS_AB; 1229 1230 if (mode_val == wcd937x->hph_mode) 1231 return 0; 1232 1233 switch (mode_val) { 1234 case CLS_H_NORMAL: 1235 case CLS_H_HIFI: 1236 case CLS_H_LP: 1237 case CLS_AB: 1238 case CLS_H_LOHIFI: 1239 case CLS_H_ULP: 1240 case CLS_AB_LP: 1241 case CLS_AB_HIFI: 1242 wcd937x->hph_mode = mode_val; 1243 return 1; 1244 } 1245 1246 dev_dbg(component->dev, "%s: Invalid HPH Mode\n", __func__); 1247 return -EINVAL; 1248 } 1249 1250 static int wcd937x_get_compander(struct snd_kcontrol *kcontrol, 1251 struct snd_ctl_elem_value *ucontrol) 1252 { 1253 struct snd_soc_component *component = snd_kcontrol_chip(kcontrol); 1254 struct wcd937x_priv *wcd937x = snd_soc_component_get_drvdata(component); 1255 struct soc_mixer_control *mc; 1256 bool hphr; 1257 1258 mc = (struct soc_mixer_control *)(kcontrol->private_value); 1259 hphr = mc->shift; 1260 1261 ucontrol->value.integer.value[0] = hphr ? wcd937x->comp2_enable : 1262 wcd937x->comp1_enable; 1263 return 0; 1264 } 1265 1266 static int wcd937x_set_compander(struct snd_kcontrol *kcontrol, 1267 struct snd_ctl_elem_value *ucontrol) 1268 { 1269 struct snd_soc_component *component = snd_kcontrol_chip(kcontrol); 1270 struct wcd937x_priv *wcd937x = snd_soc_component_get_drvdata(component); 1271 struct wcd937x_sdw_priv *wcd = wcd937x->sdw_priv[AIF1_PB]; 1272 int value = ucontrol->value.integer.value[0]; 1273 struct soc_mixer_control *mc; 1274 int portidx; 1275 bool hphr; 1276 1277 mc = (struct soc_mixer_control *)(kcontrol->private_value); 1278 hphr = mc->shift; 1279 1280 if (hphr) { 1281 if (value == wcd937x->comp2_enable) 1282 return 0; 1283 1284 wcd937x->comp2_enable = value; 1285 } else { 1286 if (value == wcd937x->comp1_enable) 1287 return 0; 1288 1289 wcd937x->comp1_enable = value; 1290 } 1291 1292 portidx = wcd->ch_info[mc->reg].port_num; 1293 1294 if (value) 1295 wcd937x_connect_port(wcd, portidx, mc->reg, true); 1296 else 1297 wcd937x_connect_port(wcd, portidx, mc->reg, false); 1298 1299 return 1; 1300 } 1301 1302 static int wcd937x_get_swr_port(struct snd_kcontrol *kcontrol, 1303 struct snd_ctl_elem_value *ucontrol) 1304 { 1305 struct soc_mixer_control *mixer = (struct soc_mixer_control *)kcontrol->private_value; 1306 struct snd_soc_component *comp = snd_kcontrol_chip(kcontrol); 1307 struct wcd937x_priv *wcd937x = snd_soc_component_get_drvdata(comp); 1308 struct wcd937x_sdw_priv *wcd; 1309 int dai_id = mixer->shift; 1310 int ch_idx = mixer->reg; 1311 int portidx; 1312 1313 wcd = wcd937x->sdw_priv[dai_id]; 1314 portidx = wcd->ch_info[ch_idx].port_num; 1315 1316 ucontrol->value.integer.value[0] = wcd->port_enable[portidx]; 1317 1318 return 0; 1319 } 1320 1321 static int wcd937x_set_swr_port(struct snd_kcontrol *kcontrol, 1322 struct snd_ctl_elem_value *ucontrol) 1323 { 1324 struct soc_mixer_control *mixer = (struct soc_mixer_control *)kcontrol->private_value; 1325 struct snd_soc_component *comp = snd_kcontrol_chip(kcontrol); 1326 struct wcd937x_priv *wcd937x = snd_soc_component_get_drvdata(comp); 1327 struct wcd937x_sdw_priv *wcd; 1328 int dai_id = mixer->shift; 1329 int ch_idx = mixer->reg; 1330 int portidx; 1331 bool enable; 1332 1333 wcd = wcd937x->sdw_priv[dai_id]; 1334 1335 portidx = wcd->ch_info[ch_idx].port_num; 1336 1337 enable = ucontrol->value.integer.value[0]; 1338 1339 if (enable == wcd->port_enable[portidx]) { 1340 wcd937x_connect_port(wcd, portidx, ch_idx, enable); 1341 return 0; 1342 } 1343 1344 wcd->port_enable[portidx] = enable; 1345 wcd937x_connect_port(wcd, portidx, ch_idx, enable); 1346 1347 return 1; 1348 } 1349 1350 static const char * const rx_hph_mode_mux_text[] = { 1351 "CLS_H_NORMAL", "CLS_H_INVALID", "CLS_H_HIFI", "CLS_H_LP", "CLS_AB", 1352 "CLS_H_LOHIFI", "CLS_H_ULP", "CLS_AB_LP", "CLS_AB_HIFI", 1353 }; 1354 1355 static const struct soc_enum rx_hph_mode_mux_enum = 1356 SOC_ENUM_SINGLE_EXT(ARRAY_SIZE(rx_hph_mode_mux_text), rx_hph_mode_mux_text); 1357 1358 /* MBHC related */ 1359 static void wcd937x_mbhc_clk_setup(struct snd_soc_component *component, 1360 bool enable) 1361 { 1362 snd_soc_component_write_field(component, WCD937X_MBHC_NEW_CTL_1, 1363 WCD937X_MBHC_CTL_RCO_EN_MASK, enable); 1364 } 1365 1366 static void wcd937x_mbhc_mbhc_bias_control(struct snd_soc_component *component, 1367 bool enable) 1368 { 1369 snd_soc_component_write_field(component, WCD937X_ANA_MBHC_ELECT, 1370 WCD937X_ANA_MBHC_BIAS_EN, enable); 1371 } 1372 1373 static void wcd937x_mbhc_program_btn_thr(struct snd_soc_component *component, 1374 int *btn_low, int *btn_high, 1375 int num_btn, bool is_micbias) 1376 { 1377 int i, vth; 1378 1379 if (num_btn > WCD_MBHC_DEF_BUTTONS) { 1380 dev_err(component->dev, "%s: invalid number of buttons: %d\n", 1381 __func__, num_btn); 1382 return; 1383 } 1384 1385 for (i = 0; i < num_btn; i++) { 1386 vth = ((btn_high[i] * 2) / 25) & 0x3F; 1387 snd_soc_component_write_field(component, WCD937X_ANA_MBHC_BTN0 + i, 1388 WCD937X_MBHC_BTN_VTH_MASK, vth); 1389 } 1390 } 1391 1392 static bool wcd937x_mbhc_micb_en_status(struct snd_soc_component *component, int micb_num) 1393 { 1394 u8 val; 1395 1396 if (micb_num == MIC_BIAS_2) { 1397 val = snd_soc_component_read_field(component, 1398 WCD937X_ANA_MICB2, 1399 WCD937X_ANA_MICB2_ENABLE_MASK); 1400 if (val == WCD937X_MICB_ENABLE) 1401 return true; 1402 } 1403 return false; 1404 } 1405 1406 static void wcd937x_mbhc_hph_l_pull_up_control(struct snd_soc_component *component, 1407 int pull_up_cur) 1408 { 1409 /* Default pull up current to 2uA */ 1410 if (pull_up_cur > HS_PULLUP_I_OFF || pull_up_cur < HS_PULLUP_I_3P0_UA) 1411 pull_up_cur = HS_PULLUP_I_2P0_UA; 1412 1413 snd_soc_component_write_field(component, 1414 WCD937X_MBHC_NEW_INT_MECH_DET_CURRENT, 1415 WCD937X_HSDET_PULLUP_C_MASK, pull_up_cur); 1416 } 1417 1418 static int wcd937x_mbhc_request_micbias(struct snd_soc_component *component, 1419 int micb_num, int req) 1420 { 1421 return wcd937x_micbias_control(component, micb_num, req, false); 1422 } 1423 1424 static void wcd937x_mbhc_micb_ramp_control(struct snd_soc_component *component, 1425 bool enable) 1426 { 1427 if (enable) { 1428 snd_soc_component_write_field(component, WCD937X_ANA_MICB2_RAMP, 1429 WCD937X_RAMP_SHIFT_CTRL_MASK, 0x0C); 1430 snd_soc_component_write_field(component, WCD937X_ANA_MICB2_RAMP, 1431 WCD937X_RAMP_EN_MASK, 1); 1432 } else { 1433 snd_soc_component_write_field(component, WCD937X_ANA_MICB2_RAMP, 1434 WCD937X_RAMP_EN_MASK, 0); 1435 snd_soc_component_write_field(component, WCD937X_ANA_MICB2_RAMP, 1436 WCD937X_RAMP_SHIFT_CTRL_MASK, 0); 1437 } 1438 } 1439 1440 static int wcd937x_mbhc_micb_adjust_voltage(struct snd_soc_component *component, 1441 int req_volt, int micb_num) 1442 { 1443 struct wcd937x_priv *wcd937x = snd_soc_component_get_drvdata(component); 1444 int cur_vout_ctl, req_vout_ctl, micb_reg, micb_en, ret = 0; 1445 1446 switch (micb_num) { 1447 case MIC_BIAS_1: 1448 micb_reg = WCD937X_ANA_MICB1; 1449 break; 1450 case MIC_BIAS_2: 1451 micb_reg = WCD937X_ANA_MICB2; 1452 break; 1453 case MIC_BIAS_3: 1454 micb_reg = WCD937X_ANA_MICB3; 1455 break; 1456 default: 1457 return -EINVAL; 1458 } 1459 mutex_lock(&wcd937x->micb_lock); 1460 /* 1461 * If requested micbias voltage is same as current micbias 1462 * voltage, then just return. Otherwise, adjust voltage as 1463 * per requested value. If micbias is already enabled, then 1464 * to avoid slow micbias ramp-up or down enable pull-up 1465 * momentarily, change the micbias value and then re-enable 1466 * micbias. 1467 */ 1468 micb_en = snd_soc_component_read_field(component, micb_reg, 1469 WCD937X_MICB_EN_MASK); 1470 cur_vout_ctl = snd_soc_component_read_field(component, micb_reg, 1471 WCD937X_MICB_VOUT_MASK); 1472 1473 req_vout_ctl = wcd_get_micb_vout_ctl_val(component->dev, req_volt); 1474 if (req_vout_ctl < 0) { 1475 ret = -EINVAL; 1476 goto exit; 1477 } 1478 1479 if (cur_vout_ctl == req_vout_ctl) { 1480 ret = 0; 1481 goto exit; 1482 } 1483 1484 if (micb_en == WCD937X_MICB_ENABLE) 1485 snd_soc_component_write_field(component, micb_reg, 1486 WCD937X_MICB_EN_MASK, 1487 WCD937X_MICB_PULL_UP); 1488 1489 snd_soc_component_write_field(component, micb_reg, 1490 WCD937X_MICB_VOUT_MASK, 1491 req_vout_ctl); 1492 1493 if (micb_en == WCD937X_MICB_ENABLE) { 1494 snd_soc_component_write_field(component, micb_reg, 1495 WCD937X_MICB_EN_MASK, 1496 WCD937X_MICB_ENABLE); 1497 /* 1498 * Add 2ms delay as per HW requirement after enabling 1499 * micbias 1500 */ 1501 usleep_range(2000, 2100); 1502 } 1503 exit: 1504 mutex_unlock(&wcd937x->micb_lock); 1505 return ret; 1506 } 1507 1508 static int wcd937x_mbhc_micb_ctrl_threshold_mic(struct snd_soc_component *component, 1509 int micb_num, bool req_en) 1510 { 1511 struct wcd937x_priv *wcd937x = snd_soc_component_get_drvdata(component); 1512 int micb_mv; 1513 1514 if (micb_num != MIC_BIAS_2) 1515 return -EINVAL; 1516 /* 1517 * If device tree micbias level is already above the minimum 1518 * voltage needed to detect threshold microphone, then do 1519 * not change the micbias, just return. 1520 */ 1521 if (wcd937x->common.micb_mv[2] >= WCD_MBHC_THR_HS_MICB_MV) 1522 return 0; 1523 1524 micb_mv = req_en ? WCD_MBHC_THR_HS_MICB_MV : wcd937x->common.micb_mv[2]; 1525 1526 return wcd937x_mbhc_micb_adjust_voltage(component, micb_mv, MIC_BIAS_2); 1527 } 1528 1529 static void wcd937x_mbhc_get_result_params(struct snd_soc_component *component, 1530 s16 *d1_a, u16 noff, 1531 int32_t *zdet) 1532 { 1533 struct wcd937x_priv *wcd937x = snd_soc_component_get_drvdata(component); 1534 int i; 1535 int val, val1; 1536 s16 c1; 1537 s32 x1, d1; 1538 s32 denom; 1539 static const int minCode_param[] = { 1540 3277, 1639, 820, 410, 205, 103, 52, 26 1541 }; 1542 1543 regmap_update_bits(wcd937x->regmap, WCD937X_ANA_MBHC_ZDET, 0x20, 0x20); 1544 for (i = 0; i < WCD937X_ZDET_NUM_MEASUREMENTS; i++) { 1545 regmap_read(wcd937x->regmap, WCD937X_ANA_MBHC_RESULT_2, &val); 1546 if (val & 0x80) 1547 break; 1548 } 1549 val = val << 0x8; 1550 regmap_read(wcd937x->regmap, WCD937X_ANA_MBHC_RESULT_1, &val1); 1551 val |= val1; 1552 regmap_update_bits(wcd937x->regmap, WCD937X_ANA_MBHC_ZDET, 0x20, 0x00); 1553 x1 = WCD937X_MBHC_GET_X1(val); 1554 c1 = WCD937X_MBHC_GET_C1(val); 1555 /* If ramp is not complete, give additional 5ms */ 1556 if (c1 < 2 && x1) 1557 usleep_range(5000, 5050); 1558 1559 if (!c1 || !x1) { 1560 dev_err(component->dev, "Impedance detect ramp error, c1=%d, x1=0x%x\n", 1561 c1, x1); 1562 goto ramp_down; 1563 } 1564 d1 = d1_a[c1]; 1565 denom = (x1 * d1) - (1 << (14 - noff)); 1566 if (denom > 0) 1567 *zdet = (WCD937X_MBHC_ZDET_CONST * 1000) / denom; 1568 else if (x1 < minCode_param[noff]) 1569 *zdet = WCD937X_ZDET_FLOATING_IMPEDANCE; 1570 1571 dev_err(component->dev, "%s: d1=%d, c1=%d, x1=0x%x, z_val=%d (milliohm)\n", 1572 __func__, d1, c1, x1, *zdet); 1573 ramp_down: 1574 i = 0; 1575 while (x1) { 1576 regmap_read(wcd937x->regmap, 1577 WCD937X_ANA_MBHC_RESULT_1, &val); 1578 regmap_read(wcd937x->regmap, 1579 WCD937X_ANA_MBHC_RESULT_2, &val1); 1580 val = val << 0x08; 1581 val |= val1; 1582 x1 = WCD937X_MBHC_GET_X1(val); 1583 i++; 1584 if (i == WCD937X_ZDET_NUM_MEASUREMENTS) 1585 break; 1586 } 1587 } 1588 1589 static void wcd937x_mbhc_zdet_ramp(struct snd_soc_component *component, 1590 struct wcd937x_mbhc_zdet_param *zdet_param, 1591 s32 *zl, s32 *zr, s16 *d1_a) 1592 { 1593 struct wcd937x_priv *wcd937x = snd_soc_component_get_drvdata(component); 1594 s32 zdet = 0; 1595 1596 snd_soc_component_write_field(component, WCD937X_MBHC_NEW_ZDET_ANA_CTL, 1597 WCD937X_ZDET_MAXV_CTL_MASK, zdet_param->ldo_ctl); 1598 snd_soc_component_update_bits(component, WCD937X_ANA_MBHC_BTN5, 1599 WCD937X_VTH_MASK, zdet_param->btn5); 1600 snd_soc_component_update_bits(component, WCD937X_ANA_MBHC_BTN6, 1601 WCD937X_VTH_MASK, zdet_param->btn6); 1602 snd_soc_component_update_bits(component, WCD937X_ANA_MBHC_BTN7, 1603 WCD937X_VTH_MASK, zdet_param->btn7); 1604 snd_soc_component_write_field(component, WCD937X_MBHC_NEW_ZDET_ANA_CTL, 1605 WCD937X_ZDET_RANGE_CTL_MASK, zdet_param->noff); 1606 snd_soc_component_update_bits(component, WCD937X_MBHC_NEW_ZDET_RAMP_CTL, 1607 0x0F, zdet_param->nshift); 1608 1609 if (!zl) 1610 goto z_right; 1611 /* Start impedance measurement for HPH_L */ 1612 regmap_update_bits(wcd937x->regmap, 1613 WCD937X_ANA_MBHC_ZDET, 0x80, 0x80); 1614 wcd937x_mbhc_get_result_params(component, d1_a, zdet_param->noff, &zdet); 1615 regmap_update_bits(wcd937x->regmap, 1616 WCD937X_ANA_MBHC_ZDET, 0x80, 0x00); 1617 1618 *zl = zdet; 1619 1620 z_right: 1621 if (!zr) 1622 return; 1623 /* Start impedance measurement for HPH_R */ 1624 regmap_update_bits(wcd937x->regmap, 1625 WCD937X_ANA_MBHC_ZDET, 0x40, 0x40); 1626 wcd937x_mbhc_get_result_params(component, d1_a, zdet_param->noff, &zdet); 1627 regmap_update_bits(wcd937x->regmap, 1628 WCD937X_ANA_MBHC_ZDET, 0x40, 0x00); 1629 1630 *zr = zdet; 1631 } 1632 1633 static void wcd937x_wcd_mbhc_qfuse_cal(struct snd_soc_component *component, 1634 s32 *z_val, int flag_l_r) 1635 { 1636 s16 q1; 1637 int q1_cal; 1638 1639 if (*z_val < (WCD937X_ZDET_VAL_400 / 1000)) 1640 q1 = snd_soc_component_read(component, 1641 WCD937X_DIGITAL_EFUSE_REG_23 + (2 * flag_l_r)); 1642 else 1643 q1 = snd_soc_component_read(component, 1644 WCD937X_DIGITAL_EFUSE_REG_24 + (2 * flag_l_r)); 1645 if (q1 & 0x80) 1646 q1_cal = (10000 - ((q1 & 0x7F) * 25)); 1647 else 1648 q1_cal = (10000 + (q1 * 25)); 1649 if (q1_cal > 0) 1650 *z_val = ((*z_val) * 10000) / q1_cal; 1651 } 1652 1653 static void wcd937x_wcd_mbhc_calc_impedance(struct snd_soc_component *component, 1654 u32 *zl, u32 *zr) 1655 { 1656 struct wcd937x_priv *wcd937x = snd_soc_component_get_drvdata(component); 1657 s16 reg0, reg1, reg2, reg3, reg4; 1658 s32 z1l, z1r, z1ls; 1659 int zMono, z_diff1, z_diff2; 1660 bool is_fsm_disable = false; 1661 struct wcd937x_mbhc_zdet_param zdet_param[] = { 1662 {4, 0, 4, 0x08, 0x14, 0x18}, /* < 32ohm */ 1663 {2, 0, 3, 0x18, 0x7C, 0x90}, /* 32ohm < Z < 400ohm */ 1664 {1, 4, 5, 0x18, 0x7C, 0x90}, /* 400ohm < Z < 1200ohm */ 1665 {1, 6, 7, 0x18, 0x7C, 0x90}, /* >1200ohm */ 1666 }; 1667 struct wcd937x_mbhc_zdet_param *zdet_param_ptr = NULL; 1668 s16 d1_a[][4] = { 1669 {0, 30, 90, 30}, 1670 {0, 30, 30, 5}, 1671 {0, 30, 30, 5}, 1672 {0, 30, 30, 5}, 1673 }; 1674 s16 *d1 = NULL; 1675 1676 reg0 = snd_soc_component_read(component, WCD937X_ANA_MBHC_BTN5); 1677 reg1 = snd_soc_component_read(component, WCD937X_ANA_MBHC_BTN6); 1678 reg2 = snd_soc_component_read(component, WCD937X_ANA_MBHC_BTN7); 1679 reg3 = snd_soc_component_read(component, WCD937X_MBHC_CTL_CLK); 1680 reg4 = snd_soc_component_read(component, WCD937X_MBHC_NEW_ZDET_ANA_CTL); 1681 1682 if (snd_soc_component_read(component, WCD937X_ANA_MBHC_ELECT) & 0x80) { 1683 is_fsm_disable = true; 1684 regmap_update_bits(wcd937x->regmap, 1685 WCD937X_ANA_MBHC_ELECT, 0x80, 0x00); 1686 } 1687 1688 /* For NO-jack, disable L_DET_EN before Z-det measurements */ 1689 if (wcd937x->mbhc_cfg.hphl_swh) 1690 regmap_update_bits(wcd937x->regmap, 1691 WCD937X_ANA_MBHC_MECH, 0x80, 0x00); 1692 1693 /* Turn off 100k pull down on HPHL */ 1694 regmap_update_bits(wcd937x->regmap, 1695 WCD937X_ANA_MBHC_MECH, 0x01, 0x00); 1696 1697 /* Disable surge protection before impedance detection. 1698 * This is done to give correct value for high impedance. 1699 */ 1700 regmap_update_bits(wcd937x->regmap, 1701 WCD937X_HPH_SURGE_HPHLR_SURGE_EN, 0xC0, 0x00); 1702 /* 1ms delay needed after disable surge protection */ 1703 usleep_range(1000, 1010); 1704 1705 /* First get impedance on Left */ 1706 d1 = d1_a[1]; 1707 zdet_param_ptr = &zdet_param[1]; 1708 wcd937x_mbhc_zdet_ramp(component, zdet_param_ptr, &z1l, NULL, d1); 1709 1710 if (!WCD937X_MBHC_IS_SECOND_RAMP_REQUIRED(z1l)) 1711 goto left_ch_impedance; 1712 1713 /* Second ramp for left ch */ 1714 if (z1l < WCD937X_ZDET_VAL_32) { 1715 zdet_param_ptr = &zdet_param[0]; 1716 d1 = d1_a[0]; 1717 } else if ((z1l > WCD937X_ZDET_VAL_400) && 1718 (z1l <= WCD937X_ZDET_VAL_1200)) { 1719 zdet_param_ptr = &zdet_param[2]; 1720 d1 = d1_a[2]; 1721 } else if (z1l > WCD937X_ZDET_VAL_1200) { 1722 zdet_param_ptr = &zdet_param[3]; 1723 d1 = d1_a[3]; 1724 } 1725 wcd937x_mbhc_zdet_ramp(component, zdet_param_ptr, &z1l, NULL, d1); 1726 1727 left_ch_impedance: 1728 if (z1l == WCD937X_ZDET_FLOATING_IMPEDANCE || 1729 z1l > WCD937X_ZDET_VAL_100K) { 1730 *zl = WCD937X_ZDET_FLOATING_IMPEDANCE; 1731 zdet_param_ptr = &zdet_param[1]; 1732 d1 = d1_a[1]; 1733 } else { 1734 *zl = z1l / 1000; 1735 wcd937x_wcd_mbhc_qfuse_cal(component, zl, 0); 1736 } 1737 1738 /* Start of right impedance ramp and calculation */ 1739 wcd937x_mbhc_zdet_ramp(component, zdet_param_ptr, NULL, &z1r, d1); 1740 if (WCD937X_MBHC_IS_SECOND_RAMP_REQUIRED(z1r)) { 1741 if ((z1r > WCD937X_ZDET_VAL_1200 && 1742 zdet_param_ptr->noff == 0x6) || 1743 ((*zl) != WCD937X_ZDET_FLOATING_IMPEDANCE)) 1744 goto right_ch_impedance; 1745 /* Second ramp for right ch */ 1746 if (z1r < WCD937X_ZDET_VAL_32) { 1747 zdet_param_ptr = &zdet_param[0]; 1748 d1 = d1_a[0]; 1749 } else if ((z1r > WCD937X_ZDET_VAL_400) && 1750 (z1r <= WCD937X_ZDET_VAL_1200)) { 1751 zdet_param_ptr = &zdet_param[2]; 1752 d1 = d1_a[2]; 1753 } else if (z1r > WCD937X_ZDET_VAL_1200) { 1754 zdet_param_ptr = &zdet_param[3]; 1755 d1 = d1_a[3]; 1756 } 1757 wcd937x_mbhc_zdet_ramp(component, zdet_param_ptr, NULL, &z1r, d1); 1758 } 1759 right_ch_impedance: 1760 if (z1r == WCD937X_ZDET_FLOATING_IMPEDANCE || 1761 z1r > WCD937X_ZDET_VAL_100K) { 1762 *zr = WCD937X_ZDET_FLOATING_IMPEDANCE; 1763 } else { 1764 *zr = z1r / 1000; 1765 wcd937x_wcd_mbhc_qfuse_cal(component, zr, 1); 1766 } 1767 1768 /* Mono/stereo detection */ 1769 if ((*zl == WCD937X_ZDET_FLOATING_IMPEDANCE) && 1770 (*zr == WCD937X_ZDET_FLOATING_IMPEDANCE)) { 1771 dev_err(component->dev, 1772 "%s: plug type is invalid or extension cable\n", 1773 __func__); 1774 goto zdet_complete; 1775 } 1776 if ((*zl == WCD937X_ZDET_FLOATING_IMPEDANCE) || 1777 (*zr == WCD937X_ZDET_FLOATING_IMPEDANCE) || 1778 ((*zl < WCD_MONO_HS_MIN_THR) && (*zr > WCD_MONO_HS_MIN_THR)) || 1779 ((*zl > WCD_MONO_HS_MIN_THR) && (*zr < WCD_MONO_HS_MIN_THR))) { 1780 wcd_mbhc_set_hph_type(wcd937x->wcd_mbhc, WCD_MBHC_HPH_MONO); 1781 goto zdet_complete; 1782 } 1783 snd_soc_component_write_field(component, WCD937X_HPH_R_ATEST, 1784 WCD937X_HPHPA_GND_OVR_MASK, 1); 1785 snd_soc_component_write_field(component, WCD937X_HPH_PA_CTL2, 1786 WCD937X_HPHPA_GND_R_MASK, 1); 1787 if (*zl < (WCD937X_ZDET_VAL_32 / 1000)) 1788 wcd937x_mbhc_zdet_ramp(component, &zdet_param[0], &z1ls, NULL, d1); 1789 else 1790 wcd937x_mbhc_zdet_ramp(component, &zdet_param[1], &z1ls, NULL, d1); 1791 snd_soc_component_write_field(component, WCD937X_HPH_PA_CTL2, 1792 WCD937X_HPHPA_GND_R_MASK, 0); 1793 snd_soc_component_write_field(component, WCD937X_HPH_R_ATEST, 1794 WCD937X_HPHPA_GND_OVR_MASK, 0); 1795 z1ls /= 1000; 1796 wcd937x_wcd_mbhc_qfuse_cal(component, &z1ls, 0); 1797 /* Parallel of left Z and 9 ohm pull down resistor */ 1798 zMono = ((*zl) * 9) / ((*zl) + 9); 1799 z_diff1 = (z1ls > zMono) ? (z1ls - zMono) : (zMono - z1ls); 1800 z_diff2 = ((*zl) > z1ls) ? ((*zl) - z1ls) : (z1ls - (*zl)); 1801 if ((z_diff1 * (*zl + z1ls)) > (z_diff2 * (z1ls + zMono))) 1802 wcd_mbhc_set_hph_type(wcd937x->wcd_mbhc, WCD_MBHC_HPH_STEREO); 1803 else 1804 wcd_mbhc_set_hph_type(wcd937x->wcd_mbhc, WCD_MBHC_HPH_MONO); 1805 1806 /* Enable surge protection again after impedance detection */ 1807 regmap_update_bits(wcd937x->regmap, 1808 WCD937X_HPH_SURGE_HPHLR_SURGE_EN, 0xC0, 0xC0); 1809 zdet_complete: 1810 snd_soc_component_write(component, WCD937X_ANA_MBHC_BTN5, reg0); 1811 snd_soc_component_write(component, WCD937X_ANA_MBHC_BTN6, reg1); 1812 snd_soc_component_write(component, WCD937X_ANA_MBHC_BTN7, reg2); 1813 /* Turn on 100k pull down on HPHL */ 1814 regmap_update_bits(wcd937x->regmap, 1815 WCD937X_ANA_MBHC_MECH, 0x01, 0x01); 1816 1817 /* For NO-jack, re-enable L_DET_EN after Z-det measurements */ 1818 if (wcd937x->mbhc_cfg.hphl_swh) 1819 regmap_update_bits(wcd937x->regmap, 1820 WCD937X_ANA_MBHC_MECH, 0x80, 0x80); 1821 1822 snd_soc_component_write(component, WCD937X_MBHC_NEW_ZDET_ANA_CTL, reg4); 1823 snd_soc_component_write(component, WCD937X_MBHC_CTL_CLK, reg3); 1824 if (is_fsm_disable) 1825 regmap_update_bits(wcd937x->regmap, 1826 WCD937X_ANA_MBHC_ELECT, 0x80, 0x80); 1827 } 1828 1829 static void wcd937x_mbhc_gnd_det_ctrl(struct snd_soc_component *component, 1830 bool enable) 1831 { 1832 if (enable) { 1833 snd_soc_component_write_field(component, WCD937X_ANA_MBHC_MECH, 1834 WCD937X_MBHC_HSG_PULLUP_COMP_EN, 1); 1835 snd_soc_component_write_field(component, WCD937X_ANA_MBHC_MECH, 1836 WCD937X_MBHC_GND_DET_EN_MASK, 1); 1837 } else { 1838 snd_soc_component_write_field(component, WCD937X_ANA_MBHC_MECH, 1839 WCD937X_MBHC_GND_DET_EN_MASK, 0); 1840 snd_soc_component_write_field(component, WCD937X_ANA_MBHC_MECH, 1841 WCD937X_MBHC_HSG_PULLUP_COMP_EN, 0); 1842 } 1843 } 1844 1845 static void wcd937x_mbhc_hph_pull_down_ctrl(struct snd_soc_component *component, 1846 bool enable) 1847 { 1848 snd_soc_component_write_field(component, WCD937X_HPH_PA_CTL2, 1849 WCD937X_HPHPA_GND_R_MASK, enable); 1850 snd_soc_component_write_field(component, WCD937X_HPH_PA_CTL2, 1851 WCD937X_HPHPA_GND_L_MASK, enable); 1852 } 1853 1854 static void wcd937x_mbhc_moisture_config(struct snd_soc_component *component) 1855 { 1856 struct wcd937x_priv *wcd937x = snd_soc_component_get_drvdata(component); 1857 1858 if (wcd937x->mbhc_cfg.moist_rref == R_OFF) { 1859 snd_soc_component_write_field(component, WCD937X_MBHC_NEW_CTL_2, 1860 WCD937X_M_RTH_CTL_MASK, R_OFF); 1861 return; 1862 } 1863 1864 /* Do not enable moisture detection if jack type is NC */ 1865 if (!wcd937x->mbhc_cfg.hphl_swh) { 1866 dev_err(component->dev, "%s: disable moisture detection for NC\n", 1867 __func__); 1868 snd_soc_component_write_field(component, WCD937X_MBHC_NEW_CTL_2, 1869 WCD937X_M_RTH_CTL_MASK, R_OFF); 1870 return; 1871 } 1872 1873 snd_soc_component_write_field(component, WCD937X_MBHC_NEW_CTL_2, 1874 WCD937X_M_RTH_CTL_MASK, wcd937x->mbhc_cfg.moist_rref); 1875 } 1876 1877 static void wcd937x_mbhc_moisture_detect_en(struct snd_soc_component *component, bool enable) 1878 { 1879 struct wcd937x_priv *wcd937x = snd_soc_component_get_drvdata(component); 1880 1881 if (enable) 1882 snd_soc_component_write_field(component, WCD937X_MBHC_NEW_CTL_2, 1883 WCD937X_M_RTH_CTL_MASK, wcd937x->mbhc_cfg.moist_rref); 1884 else 1885 snd_soc_component_write_field(component, WCD937X_MBHC_NEW_CTL_2, 1886 WCD937X_M_RTH_CTL_MASK, R_OFF); 1887 } 1888 1889 static bool wcd937x_mbhc_get_moisture_status(struct snd_soc_component *component) 1890 { 1891 struct wcd937x_priv *wcd937x = snd_soc_component_get_drvdata(component); 1892 bool ret = false; 1893 1894 if (wcd937x->mbhc_cfg.moist_rref == R_OFF) { 1895 snd_soc_component_write_field(component, WCD937X_MBHC_NEW_CTL_2, 1896 WCD937X_M_RTH_CTL_MASK, R_OFF); 1897 goto done; 1898 } 1899 1900 /* Do not enable moisture detection if jack type is NC */ 1901 if (!wcd937x->mbhc_cfg.hphl_swh) { 1902 dev_err(component->dev, "%s: disable moisture detection for NC\n", 1903 __func__); 1904 snd_soc_component_write_field(component, WCD937X_MBHC_NEW_CTL_2, 1905 WCD937X_M_RTH_CTL_MASK, R_OFF); 1906 goto done; 1907 } 1908 1909 /* 1910 * If moisture_en is already enabled, then skip to plug type 1911 * detection. 1912 */ 1913 if (snd_soc_component_read_field(component, WCD937X_MBHC_NEW_CTL_2, WCD937X_M_RTH_CTL_MASK)) 1914 goto done; 1915 1916 wcd937x_mbhc_moisture_detect_en(component, true); 1917 /* Read moisture comparator status */ 1918 ret = ((snd_soc_component_read(component, WCD937X_MBHC_NEW_FSM_STATUS) 1919 & 0x20) ? 0 : 1); 1920 done: 1921 return ret; 1922 } 1923 1924 static void wcd937x_mbhc_moisture_polling_ctrl(struct snd_soc_component *component, 1925 bool enable) 1926 { 1927 snd_soc_component_write_field(component, 1928 WCD937X_MBHC_NEW_INT_MOISTURE_DET_POLLING_CTRL, 1929 WCD937X_MOISTURE_EN_POLLING_MASK, enable); 1930 } 1931 1932 static const struct wcd_mbhc_cb mbhc_cb = { 1933 .clk_setup = wcd937x_mbhc_clk_setup, 1934 .mbhc_bias = wcd937x_mbhc_mbhc_bias_control, 1935 .set_btn_thr = wcd937x_mbhc_program_btn_thr, 1936 .micbias_enable_status = wcd937x_mbhc_micb_en_status, 1937 .hph_pull_up_control_v2 = wcd937x_mbhc_hph_l_pull_up_control, 1938 .mbhc_micbias_control = wcd937x_mbhc_request_micbias, 1939 .mbhc_micb_ramp_control = wcd937x_mbhc_micb_ramp_control, 1940 .mbhc_micb_ctrl_thr_mic = wcd937x_mbhc_micb_ctrl_threshold_mic, 1941 .compute_impedance = wcd937x_wcd_mbhc_calc_impedance, 1942 .mbhc_gnd_det_ctrl = wcd937x_mbhc_gnd_det_ctrl, 1943 .hph_pull_down_ctrl = wcd937x_mbhc_hph_pull_down_ctrl, 1944 .mbhc_moisture_config = wcd937x_mbhc_moisture_config, 1945 .mbhc_get_moisture_status = wcd937x_mbhc_get_moisture_status, 1946 .mbhc_moisture_polling_ctrl = wcd937x_mbhc_moisture_polling_ctrl, 1947 .mbhc_moisture_detect_en = wcd937x_mbhc_moisture_detect_en, 1948 }; 1949 1950 static int wcd937x_get_hph_type(struct snd_kcontrol *kcontrol, 1951 struct snd_ctl_elem_value *ucontrol) 1952 { 1953 struct snd_soc_component *component = snd_kcontrol_chip(kcontrol); 1954 struct wcd937x_priv *wcd937x = snd_soc_component_get_drvdata(component); 1955 1956 ucontrol->value.integer.value[0] = wcd_mbhc_get_hph_type(wcd937x->wcd_mbhc); 1957 1958 return 0; 1959 } 1960 1961 static int wcd937x_hph_impedance_get(struct snd_kcontrol *kcontrol, 1962 struct snd_ctl_elem_value *ucontrol) 1963 { 1964 u32 zl, zr; 1965 bool hphr; 1966 struct soc_mixer_control *mc; 1967 struct snd_soc_component *component = snd_kcontrol_chip(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", WCD937X_COMP_L, 0, 1, 0, 2038 wcd937x_get_compander, wcd937x_set_compander), 2039 SOC_SINGLE_EXT("HPHR_COMP Switch", WCD937X_COMP_R, 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 SOC_SINGLE_EXT("LO Switch", WCD937X_LO, 0, 1, 0, 2053 wcd937x_get_swr_port, wcd937x_set_swr_port), 2054 2055 SOC_SINGLE_EXT("ADC1 Switch", WCD937X_ADC1, 1, 1, 0, 2056 wcd937x_get_swr_port, wcd937x_set_swr_port), 2057 SOC_SINGLE_EXT("ADC2 Switch", WCD937X_ADC2, 1, 1, 0, 2058 wcd937x_get_swr_port, wcd937x_set_swr_port), 2059 SOC_SINGLE_EXT("ADC3 Switch", WCD937X_ADC3, 1, 1, 0, 2060 wcd937x_get_swr_port, wcd937x_set_swr_port), 2061 SOC_SINGLE_EXT("DMIC0 Switch", WCD937X_DMIC0, 1, 1, 0, 2062 wcd937x_get_swr_port, wcd937x_set_swr_port), 2063 SOC_SINGLE_EXT("DMIC1 Switch", WCD937X_DMIC1, 1, 1, 0, 2064 wcd937x_get_swr_port, wcd937x_set_swr_port), 2065 SOC_SINGLE_EXT("MBHC Switch", WCD937X_MBHC, 1, 1, 0, 2066 wcd937x_get_swr_port, wcd937x_set_swr_port), 2067 SOC_SINGLE_EXT("DMIC2 Switch", WCD937X_DMIC2, 1, 1, 0, 2068 wcd937x_get_swr_port, wcd937x_set_swr_port), 2069 SOC_SINGLE_EXT("DMIC3 Switch", WCD937X_DMIC3, 1, 1, 0, 2070 wcd937x_get_swr_port, wcd937x_set_swr_port), 2071 SOC_SINGLE_EXT("DMIC4 Switch", WCD937X_DMIC4, 1, 1, 0, 2072 wcd937x_get_swr_port, wcd937x_set_swr_port), 2073 SOC_SINGLE_EXT("DMIC5 Switch", WCD937X_DMIC5, 1, 1, 0, 2074 wcd937x_get_swr_port, wcd937x_set_swr_port), 2075 }; 2076 2077 static const struct snd_kcontrol_new adc1_switch[] = { 2078 SOC_DAPM_SINGLE("Switch", SND_SOC_NOPM, 0, 1, 0) 2079 }; 2080 2081 static const struct snd_kcontrol_new adc2_switch[] = { 2082 SOC_DAPM_SINGLE("Switch", SND_SOC_NOPM, 0, 1, 0) 2083 }; 2084 2085 static const struct snd_kcontrol_new adc3_switch[] = { 2086 SOC_DAPM_SINGLE("Switch", SND_SOC_NOPM, 0, 1, 0) 2087 }; 2088 2089 static const struct snd_kcontrol_new dmic1_switch[] = { 2090 SOC_DAPM_SINGLE("Switch", SND_SOC_NOPM, 0, 1, 0) 2091 }; 2092 2093 static const struct snd_kcontrol_new dmic2_switch[] = { 2094 SOC_DAPM_SINGLE("Switch", SND_SOC_NOPM, 0, 1, 0) 2095 }; 2096 2097 static const struct snd_kcontrol_new dmic3_switch[] = { 2098 SOC_DAPM_SINGLE("Switch", SND_SOC_NOPM, 0, 1, 0) 2099 }; 2100 2101 static const struct snd_kcontrol_new dmic4_switch[] = { 2102 SOC_DAPM_SINGLE("Switch", SND_SOC_NOPM, 0, 1, 0) 2103 }; 2104 2105 static const struct snd_kcontrol_new dmic5_switch[] = { 2106 SOC_DAPM_SINGLE("Switch", SND_SOC_NOPM, 0, 1, 0) 2107 }; 2108 2109 static const struct snd_kcontrol_new dmic6_switch[] = { 2110 SOC_DAPM_SINGLE("Switch", SND_SOC_NOPM, 0, 1, 0) 2111 }; 2112 2113 static const struct snd_kcontrol_new ear_rdac_switch[] = { 2114 SOC_DAPM_SINGLE("Switch", SND_SOC_NOPM, 0, 1, 0) 2115 }; 2116 2117 static const struct snd_kcontrol_new aux_rdac_switch[] = { 2118 SOC_DAPM_SINGLE("Switch", SND_SOC_NOPM, 0, 1, 0) 2119 }; 2120 2121 static const struct snd_kcontrol_new hphl_rdac_switch[] = { 2122 SOC_DAPM_SINGLE("Switch", SND_SOC_NOPM, 0, 1, 0) 2123 }; 2124 2125 static const struct snd_kcontrol_new hphr_rdac_switch[] = { 2126 SOC_DAPM_SINGLE("Switch", SND_SOC_NOPM, 0, 1, 0) 2127 }; 2128 2129 static const char * const adc2_mux_text[] = { 2130 "INP2", "INP3" 2131 }; 2132 2133 static const char * const rdac3_mux_text[] = { 2134 "RX1", "RX3" 2135 }; 2136 2137 static const struct soc_enum adc2_enum = 2138 SOC_ENUM_SINGLE(WCD937X_TX_NEW_TX_CH2_SEL, 7, 2139 ARRAY_SIZE(adc2_mux_text), adc2_mux_text); 2140 2141 static const struct soc_enum rdac3_enum = 2142 SOC_ENUM_SINGLE(WCD937X_DIGITAL_CDC_EAR_PATH_CTL, 0, 2143 ARRAY_SIZE(rdac3_mux_text), rdac3_mux_text); 2144 2145 static const struct snd_kcontrol_new tx_adc2_mux = SOC_DAPM_ENUM("ADC2 MUX Mux", adc2_enum); 2146 2147 static const struct snd_kcontrol_new rx_rdac3_mux = SOC_DAPM_ENUM("RDAC3_MUX Mux", rdac3_enum); 2148 2149 static const struct snd_soc_dapm_widget wcd937x_dapm_widgets[] = { 2150 /* Input widgets */ 2151 SND_SOC_DAPM_INPUT("AMIC1"), 2152 SND_SOC_DAPM_INPUT("AMIC2"), 2153 SND_SOC_DAPM_INPUT("AMIC3"), 2154 SND_SOC_DAPM_INPUT("IN1_HPHL"), 2155 SND_SOC_DAPM_INPUT("IN2_HPHR"), 2156 SND_SOC_DAPM_INPUT("IN3_AUX"), 2157 2158 /* TX widgets */ 2159 SND_SOC_DAPM_ADC_E("ADC1", NULL, SND_SOC_NOPM, 0, 0, 2160 wcd937x_codec_enable_adc, 2161 SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD), 2162 SND_SOC_DAPM_ADC_E("ADC2", NULL, SND_SOC_NOPM, 1, 0, 2163 wcd937x_codec_enable_adc, 2164 SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD), 2165 2166 SND_SOC_DAPM_MIXER_E("ADC1 REQ", SND_SOC_NOPM, 0, 0, 2167 NULL, 0, wcd937x_enable_req, 2168 SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD), 2169 SND_SOC_DAPM_MIXER_E("ADC2 REQ", SND_SOC_NOPM, 0, 0, 2170 NULL, 0, wcd937x_enable_req, 2171 SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD), 2172 2173 SND_SOC_DAPM_MUX("ADC2 MUX", SND_SOC_NOPM, 0, 0, &tx_adc2_mux), 2174 2175 /* TX mixers */ 2176 SND_SOC_DAPM_MIXER_E("ADC1_MIXER", SND_SOC_NOPM, 0, 0, 2177 adc1_switch, ARRAY_SIZE(adc1_switch), 2178 wcd937x_tx_swr_ctrl, SND_SOC_DAPM_PRE_PMU | 2179 SND_SOC_DAPM_POST_PMD), 2180 SND_SOC_DAPM_MIXER_E("ADC2_MIXER", SND_SOC_NOPM, 1, 0, 2181 adc2_switch, ARRAY_SIZE(adc2_switch), 2182 wcd937x_tx_swr_ctrl, SND_SOC_DAPM_PRE_PMU | 2183 SND_SOC_DAPM_POST_PMD), 2184 2185 /* MIC_BIAS widgets */ 2186 SND_SOC_DAPM_SUPPLY("MIC BIAS1", SND_SOC_NOPM, MIC_BIAS_1, 0, 2187 wcd937x_codec_enable_micbias, 2188 SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMU | 2189 SND_SOC_DAPM_POST_PMD), 2190 SND_SOC_DAPM_SUPPLY("MIC BIAS2", SND_SOC_NOPM, MIC_BIAS_2, 0, 2191 wcd937x_codec_enable_micbias, 2192 SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMU | 2193 SND_SOC_DAPM_POST_PMD), 2194 SND_SOC_DAPM_SUPPLY("MIC BIAS3", SND_SOC_NOPM, MIC_BIAS_3, 0, 2195 wcd937x_codec_enable_micbias, 2196 SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMU | 2197 SND_SOC_DAPM_POST_PMD), 2198 2199 SND_SOC_DAPM_SUPPLY("VDD_BUCK", SND_SOC_NOPM, 0, 0, NULL, 0), 2200 SND_SOC_DAPM_SUPPLY_S("CLS_H_PORT", 1, SND_SOC_NOPM, 0, 0, NULL, 0), 2201 2202 /* RX widgets */ 2203 SND_SOC_DAPM_PGA_E("EAR PGA", WCD937X_ANA_EAR, 7, 0, NULL, 0, 2204 wcd937x_codec_enable_ear_pa, 2205 SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMU | 2206 SND_SOC_DAPM_PRE_PMD | SND_SOC_DAPM_POST_PMD), 2207 SND_SOC_DAPM_PGA_E("AUX PGA", WCD937X_AUX_AUXPA, 7, 0, NULL, 0, 2208 wcd937x_codec_enable_aux_pa, 2209 SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMU | 2210 SND_SOC_DAPM_PRE_PMD | SND_SOC_DAPM_POST_PMD), 2211 SND_SOC_DAPM_PGA_E("HPHL PGA", WCD937X_ANA_HPH, 7, 0, NULL, 0, 2212 wcd937x_codec_enable_hphl_pa, 2213 SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMU | 2214 SND_SOC_DAPM_PRE_PMD | SND_SOC_DAPM_POST_PMD), 2215 SND_SOC_DAPM_PGA_E("HPHR PGA", WCD937X_ANA_HPH, 6, 0, NULL, 0, 2216 wcd937x_codec_enable_hphr_pa, 2217 SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMU | 2218 SND_SOC_DAPM_PRE_PMD | SND_SOC_DAPM_POST_PMD), 2219 2220 SND_SOC_DAPM_DAC_E("RDAC1", NULL, SND_SOC_NOPM, 0, 0, 2221 wcd937x_codec_hphl_dac_event, 2222 SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMU | 2223 SND_SOC_DAPM_PRE_PMD | SND_SOC_DAPM_POST_PMD), 2224 SND_SOC_DAPM_DAC_E("RDAC2", NULL, SND_SOC_NOPM, 0, 0, 2225 wcd937x_codec_hphr_dac_event, 2226 SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMU | 2227 SND_SOC_DAPM_PRE_PMD | SND_SOC_DAPM_POST_PMD), 2228 SND_SOC_DAPM_DAC_E("RDAC3", NULL, SND_SOC_NOPM, 0, 0, 2229 wcd937x_codec_ear_dac_event, 2230 SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMU | 2231 SND_SOC_DAPM_PRE_PMD | SND_SOC_DAPM_POST_PMD), 2232 SND_SOC_DAPM_DAC_E("RDAC4", NULL, SND_SOC_NOPM, 0, 0, 2233 wcd937x_codec_aux_dac_event, 2234 SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMU | 2235 SND_SOC_DAPM_PRE_PMD | SND_SOC_DAPM_POST_PMD), 2236 2237 SND_SOC_DAPM_MUX("RDAC3_MUX", SND_SOC_NOPM, 0, 0, &rx_rdac3_mux), 2238 2239 SND_SOC_DAPM_MIXER_E("RX1", SND_SOC_NOPM, 0, 0, NULL, 0, 2240 wcd937x_enable_rx1, SND_SOC_DAPM_PRE_PMU | 2241 SND_SOC_DAPM_POST_PMD), 2242 SND_SOC_DAPM_MIXER_E("RX2", SND_SOC_NOPM, 0, 0, NULL, 0, 2243 wcd937x_enable_rx2, SND_SOC_DAPM_PRE_PMU | 2244 SND_SOC_DAPM_POST_PMD), 2245 SND_SOC_DAPM_MIXER_E("RX3", SND_SOC_NOPM, 0, 0, NULL, 0, 2246 wcd937x_enable_rx3, SND_SOC_DAPM_PRE_PMU | 2247 SND_SOC_DAPM_POST_PMD), 2248 2249 /* RX mixer widgets*/ 2250 SND_SOC_DAPM_MIXER("EAR_RDAC", SND_SOC_NOPM, 0, 0, 2251 ear_rdac_switch, ARRAY_SIZE(ear_rdac_switch)), 2252 SND_SOC_DAPM_MIXER("AUX_RDAC", SND_SOC_NOPM, 0, 0, 2253 aux_rdac_switch, ARRAY_SIZE(aux_rdac_switch)), 2254 SND_SOC_DAPM_MIXER("HPHL_RDAC", SND_SOC_NOPM, 0, 0, 2255 hphl_rdac_switch, ARRAY_SIZE(hphl_rdac_switch)), 2256 SND_SOC_DAPM_MIXER("HPHR_RDAC", SND_SOC_NOPM, 0, 0, 2257 hphr_rdac_switch, ARRAY_SIZE(hphr_rdac_switch)), 2258 2259 /* TX output widgets */ 2260 SND_SOC_DAPM_OUTPUT("ADC1_OUTPUT"), 2261 SND_SOC_DAPM_OUTPUT("ADC2_OUTPUT"), 2262 SND_SOC_DAPM_OUTPUT("ADC3_OUTPUT"), 2263 SND_SOC_DAPM_OUTPUT("WCD_TX_OUTPUT"), 2264 2265 /* RX output widgets */ 2266 SND_SOC_DAPM_OUTPUT("EAR"), 2267 SND_SOC_DAPM_OUTPUT("AUX"), 2268 SND_SOC_DAPM_OUTPUT("HPHL"), 2269 SND_SOC_DAPM_OUTPUT("HPHR"), 2270 2271 /* MIC_BIAS pull up widgets */ 2272 SND_SOC_DAPM_SUPPLY("VA MIC BIAS1", SND_SOC_NOPM, MIC_BIAS_1, 0, 2273 wcd937x_codec_enable_micbias_pullup, 2274 SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMU | 2275 SND_SOC_DAPM_POST_PMD), 2276 SND_SOC_DAPM_SUPPLY("VA MIC BIAS2", SND_SOC_NOPM, MIC_BIAS_2, 0, 2277 wcd937x_codec_enable_micbias_pullup, 2278 SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMU | 2279 SND_SOC_DAPM_POST_PMD), 2280 SND_SOC_DAPM_SUPPLY("VA MIC BIAS3", SND_SOC_NOPM, MIC_BIAS_3, 0, 2281 wcd937x_codec_enable_micbias_pullup, 2282 SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMU | 2283 SND_SOC_DAPM_POST_PMD), 2284 }; 2285 2286 static const struct snd_soc_dapm_widget wcd9375_dapm_widgets[] = { 2287 /* Input widgets */ 2288 SND_SOC_DAPM_INPUT("AMIC4"), 2289 2290 /* TX widgets */ 2291 SND_SOC_DAPM_ADC_E("ADC3", NULL, SND_SOC_NOPM, 2, 0, 2292 wcd937x_codec_enable_adc, 2293 SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD), 2294 2295 SND_SOC_DAPM_MIXER_E("ADC3 REQ", SND_SOC_NOPM, 0, 0, 2296 NULL, 0, wcd937x_enable_req, 2297 SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD), 2298 2299 SND_SOC_DAPM_ADC_E("DMIC1", NULL, SND_SOC_NOPM, 0, 0, 2300 wcd937x_codec_enable_dmic, 2301 SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD), 2302 SND_SOC_DAPM_ADC_E("DMIC2", NULL, SND_SOC_NOPM, 1, 0, 2303 wcd937x_codec_enable_dmic, 2304 SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD), 2305 SND_SOC_DAPM_ADC_E("DMIC3", NULL, SND_SOC_NOPM, 2, 0, 2306 wcd937x_codec_enable_dmic, 2307 SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD), 2308 SND_SOC_DAPM_ADC_E("DMIC4", NULL, SND_SOC_NOPM, 3, 0, 2309 wcd937x_codec_enable_dmic, 2310 SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD), 2311 SND_SOC_DAPM_ADC_E("DMIC5", NULL, SND_SOC_NOPM, 4, 0, 2312 wcd937x_codec_enable_dmic, 2313 SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD), 2314 SND_SOC_DAPM_ADC_E("DMIC6", NULL, SND_SOC_NOPM, 5, 0, 2315 wcd937x_codec_enable_dmic, 2316 SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD), 2317 2318 /* TX mixer widgets */ 2319 SND_SOC_DAPM_MIXER_E("DMIC1_MIXER", SND_SOC_NOPM, 0, 2320 0, dmic1_switch, ARRAY_SIZE(dmic1_switch), 2321 wcd937x_tx_swr_ctrl, SND_SOC_DAPM_PRE_PMU | 2322 SND_SOC_DAPM_POST_PMD), 2323 SND_SOC_DAPM_MIXER_E("DMIC2_MIXER", SND_SOC_NOPM, 1, 2324 0, dmic2_switch, ARRAY_SIZE(dmic2_switch), 2325 wcd937x_tx_swr_ctrl, SND_SOC_DAPM_PRE_PMU | 2326 SND_SOC_DAPM_POST_PMD), 2327 SND_SOC_DAPM_MIXER_E("DMIC3_MIXER", SND_SOC_NOPM, 2, 2328 0, dmic3_switch, ARRAY_SIZE(dmic3_switch), 2329 wcd937x_tx_swr_ctrl, SND_SOC_DAPM_PRE_PMU | 2330 SND_SOC_DAPM_POST_PMD), 2331 SND_SOC_DAPM_MIXER_E("DMIC4_MIXER", SND_SOC_NOPM, 3, 2332 0, dmic4_switch, ARRAY_SIZE(dmic4_switch), 2333 wcd937x_tx_swr_ctrl, SND_SOC_DAPM_PRE_PMU | 2334 SND_SOC_DAPM_POST_PMD), 2335 SND_SOC_DAPM_MIXER_E("DMIC5_MIXER", SND_SOC_NOPM, 4, 2336 0, dmic5_switch, ARRAY_SIZE(dmic5_switch), 2337 wcd937x_tx_swr_ctrl, SND_SOC_DAPM_PRE_PMU | 2338 SND_SOC_DAPM_POST_PMD), 2339 SND_SOC_DAPM_MIXER_E("DMIC6_MIXER", SND_SOC_NOPM, 5, 2340 0, dmic6_switch, ARRAY_SIZE(dmic6_switch), 2341 wcd937x_tx_swr_ctrl, SND_SOC_DAPM_PRE_PMU | 2342 SND_SOC_DAPM_POST_PMD), 2343 SND_SOC_DAPM_MIXER_E("ADC3_MIXER", SND_SOC_NOPM, 2, 0, adc3_switch, 2344 ARRAY_SIZE(adc3_switch), wcd937x_tx_swr_ctrl, 2345 SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD), 2346 2347 /* Output widgets */ 2348 SND_SOC_DAPM_OUTPUT("DMIC1_OUTPUT"), 2349 SND_SOC_DAPM_OUTPUT("DMIC2_OUTPUT"), 2350 SND_SOC_DAPM_OUTPUT("DMIC3_OUTPUT"), 2351 SND_SOC_DAPM_OUTPUT("DMIC4_OUTPUT"), 2352 SND_SOC_DAPM_OUTPUT("DMIC5_OUTPUT"), 2353 SND_SOC_DAPM_OUTPUT("DMIC6_OUTPUT"), 2354 }; 2355 2356 static const struct snd_soc_dapm_route wcd937x_audio_map[] = { 2357 { "ADC1_OUTPUT", NULL, "ADC1_MIXER" }, 2358 { "ADC1_MIXER", "Switch", "ADC1 REQ" }, 2359 { "ADC1 REQ", NULL, "ADC1" }, 2360 { "ADC1", NULL, "AMIC1" }, 2361 2362 { "ADC2_OUTPUT", NULL, "ADC2_MIXER" }, 2363 { "ADC2_MIXER", "Switch", "ADC2 REQ" }, 2364 { "ADC2 REQ", NULL, "ADC2" }, 2365 { "ADC2", NULL, "ADC2 MUX" }, 2366 { "ADC2 MUX", "INP3", "AMIC3" }, 2367 { "ADC2 MUX", "INP2", "AMIC2" }, 2368 2369 { "IN1_HPHL", NULL, "VDD_BUCK" }, 2370 { "IN1_HPHL", NULL, "CLS_H_PORT" }, 2371 { "RX1", NULL, "IN1_HPHL" }, 2372 { "RDAC1", NULL, "RX1" }, 2373 { "HPHL_RDAC", "Switch", "RDAC1" }, 2374 { "HPHL PGA", NULL, "HPHL_RDAC" }, 2375 { "HPHL", NULL, "HPHL PGA" }, 2376 2377 { "IN2_HPHR", NULL, "VDD_BUCK" }, 2378 { "IN2_HPHR", NULL, "CLS_H_PORT" }, 2379 { "RX2", NULL, "IN2_HPHR" }, 2380 { "RDAC2", NULL, "RX2" }, 2381 { "HPHR_RDAC", "Switch", "RDAC2" }, 2382 { "HPHR PGA", NULL, "HPHR_RDAC" }, 2383 { "HPHR", NULL, "HPHR PGA" }, 2384 2385 { "IN3_AUX", NULL, "VDD_BUCK" }, 2386 { "IN3_AUX", NULL, "CLS_H_PORT" }, 2387 { "RX3", NULL, "IN3_AUX" }, 2388 { "RDAC4", NULL, "RX3" }, 2389 { "AUX_RDAC", "Switch", "RDAC4" }, 2390 { "AUX PGA", NULL, "AUX_RDAC" }, 2391 { "AUX", NULL, "AUX PGA" }, 2392 2393 { "RDAC3_MUX", "RX3", "RX3" }, 2394 { "RDAC3_MUX", "RX1", "RX1" }, 2395 { "RDAC3", NULL, "RDAC3_MUX" }, 2396 { "EAR_RDAC", "Switch", "RDAC3" }, 2397 { "EAR PGA", NULL, "EAR_RDAC" }, 2398 { "EAR", NULL, "EAR PGA" }, 2399 }; 2400 2401 static const struct snd_soc_dapm_route wcd9375_audio_map[] = { 2402 { "ADC3_OUTPUT", NULL, "ADC3_MIXER" }, 2403 { "ADC3_OUTPUT", NULL, "ADC3_MIXER" }, 2404 { "ADC3_MIXER", "Switch", "ADC3 REQ" }, 2405 { "ADC3 REQ", NULL, "ADC3" }, 2406 { "ADC3", NULL, "AMIC4" }, 2407 2408 { "DMIC1_OUTPUT", NULL, "DMIC1_MIXER" }, 2409 { "DMIC1_MIXER", "Switch", "DMIC1" }, 2410 2411 { "DMIC2_OUTPUT", NULL, "DMIC2_MIXER" }, 2412 { "DMIC2_MIXER", "Switch", "DMIC2" }, 2413 2414 { "DMIC3_OUTPUT", NULL, "DMIC3_MIXER" }, 2415 { "DMIC3_MIXER", "Switch", "DMIC3" }, 2416 2417 { "DMIC4_OUTPUT", NULL, "DMIC4_MIXER" }, 2418 { "DMIC4_MIXER", "Switch", "DMIC4" }, 2419 2420 { "DMIC5_OUTPUT", NULL, "DMIC5_MIXER" }, 2421 { "DMIC5_MIXER", "Switch", "DMIC5" }, 2422 2423 { "DMIC6_OUTPUT", NULL, "DMIC6_MIXER" }, 2424 { "DMIC6_MIXER", "Switch", "DMIC6" }, 2425 }; 2426 2427 static void wcd937x_set_micbias_data(struct device *dev, struct wcd937x_priv *wcd937x) 2428 { 2429 regmap_update_bits(wcd937x->regmap, WCD937X_ANA_MICB1, WCD937X_ANA_MICB_VOUT, 2430 wcd937x->common.micb_vout[0]); 2431 regmap_update_bits(wcd937x->regmap, WCD937X_ANA_MICB2, WCD937X_ANA_MICB_VOUT, 2432 wcd937x->common.micb_vout[1]); 2433 regmap_update_bits(wcd937x->regmap, WCD937X_ANA_MICB3, WCD937X_ANA_MICB_VOUT, 2434 wcd937x->common.micb_vout[2]); 2435 } 2436 2437 static irqreturn_t wcd937x_wd_handle_irq(int irq, void *data) 2438 { 2439 return IRQ_HANDLED; 2440 } 2441 2442 static const struct irq_chip wcd_irq_chip = { 2443 .name = "WCD937x", 2444 }; 2445 2446 static int wcd_irq_chip_map(struct irq_domain *irqd, unsigned int virq, 2447 irq_hw_number_t hw) 2448 { 2449 irq_set_chip_and_handler(virq, &wcd_irq_chip, handle_simple_irq); 2450 irq_set_nested_thread(virq, 1); 2451 irq_set_noprobe(virq); 2452 2453 return 0; 2454 } 2455 2456 static const struct irq_domain_ops wcd_domain_ops = { 2457 .map = wcd_irq_chip_map, 2458 }; 2459 2460 static int wcd937x_irq_init(struct wcd937x_priv *wcd, struct device *dev) 2461 { 2462 wcd->virq = irq_domain_create_linear(NULL, 1, &wcd_domain_ops, NULL); 2463 if (!(wcd->virq)) { 2464 dev_err(dev, "%s: Failed to add IRQ domain\n", __func__); 2465 return -EINVAL; 2466 } 2467 2468 return devm_regmap_add_irq_chip(dev, wcd->regmap, 2469 irq_create_mapping(wcd->virq, 0), 2470 IRQF_ONESHOT, 0, &wcd937x_regmap_irq_chip, 2471 &wcd->irq_chip); 2472 } 2473 2474 static int wcd937x_soc_codec_probe(struct snd_soc_component *component) 2475 { 2476 struct snd_soc_dapm_context *dapm = snd_soc_component_to_dapm(component); 2477 struct wcd937x_priv *wcd937x = snd_soc_component_get_drvdata(component); 2478 struct sdw_slave *tx_sdw_dev = wcd937x->tx_sdw_dev; 2479 struct device *dev = component->dev; 2480 unsigned long time_left; 2481 int i, ret; 2482 u32 chipid; 2483 2484 time_left = wait_for_completion_timeout(&tx_sdw_dev->initialization_complete, 2485 msecs_to_jiffies(5000)); 2486 if (!time_left) { 2487 dev_err(dev, "soundwire device init timeout\n"); 2488 return -ETIMEDOUT; 2489 } 2490 2491 snd_soc_component_init_regmap(component, wcd937x->regmap); 2492 ret = pm_runtime_resume_and_get(dev); 2493 if (ret < 0) 2494 return ret; 2495 2496 chipid = (snd_soc_component_read(component, 2497 WCD937X_DIGITAL_EFUSE_REG_0) & 0x1e) >> 1; 2498 if (chipid != CHIPID_WCD9370 && chipid != CHIPID_WCD9375) { 2499 dev_err(dev, "Got unknown chip id: 0x%x\n", chipid); 2500 pm_runtime_put(dev); 2501 return -EINVAL; 2502 } 2503 2504 wcd937x->clsh_info = wcd_clsh_ctrl_alloc(component, WCD937X); 2505 if (IS_ERR(wcd937x->clsh_info)) { 2506 pm_runtime_put(dev); 2507 return PTR_ERR(wcd937x->clsh_info); 2508 } 2509 2510 wcd937x_io_init(wcd937x->regmap); 2511 /* Set all interrupts as edge triggered */ 2512 for (i = 0; i < wcd937x_regmap_irq_chip.num_regs; i++) 2513 regmap_write(wcd937x->regmap, (WCD937X_DIGITAL_INTR_LEVEL_0 + i), 0); 2514 2515 pm_runtime_put(dev); 2516 2517 wcd937x->hphr_pdm_wd_int = regmap_irq_get_virq(wcd937x->irq_chip, 2518 WCD937X_IRQ_HPHR_PDM_WD_INT); 2519 wcd937x->hphl_pdm_wd_int = regmap_irq_get_virq(wcd937x->irq_chip, 2520 WCD937X_IRQ_HPHL_PDM_WD_INT); 2521 wcd937x->aux_pdm_wd_int = regmap_irq_get_virq(wcd937x->irq_chip, 2522 WCD937X_IRQ_AUX_PDM_WD_INT); 2523 2524 /* Request for watchdog interrupt */ 2525 ret = devm_request_threaded_irq(dev, wcd937x->hphr_pdm_wd_int, NULL, wcd937x_wd_handle_irq, 2526 IRQF_ONESHOT | IRQF_TRIGGER_RISING, 2527 "HPHR PDM WDOG INT", wcd937x); 2528 if (ret) 2529 dev_err(dev, "Failed to request HPHR watchdog interrupt (%d)\n", ret); 2530 2531 ret = devm_request_threaded_irq(dev, wcd937x->hphl_pdm_wd_int, NULL, wcd937x_wd_handle_irq, 2532 IRQF_ONESHOT | IRQF_TRIGGER_RISING, 2533 "HPHL PDM WDOG INT", wcd937x); 2534 if (ret) 2535 dev_err(dev, "Failed to request HPHL watchdog interrupt (%d)\n", ret); 2536 2537 ret = devm_request_threaded_irq(dev, wcd937x->aux_pdm_wd_int, NULL, wcd937x_wd_handle_irq, 2538 IRQF_ONESHOT | IRQF_TRIGGER_RISING, 2539 "AUX PDM WDOG INT", wcd937x); 2540 if (ret) 2541 dev_err(dev, "Failed to request Aux watchdog interrupt (%d)\n", ret); 2542 2543 /* Disable watchdog interrupt for HPH and AUX */ 2544 disable_irq_nosync(wcd937x->hphr_pdm_wd_int); 2545 disable_irq_nosync(wcd937x->hphl_pdm_wd_int); 2546 disable_irq_nosync(wcd937x->aux_pdm_wd_int); 2547 2548 if (chipid == CHIPID_WCD9375) { 2549 ret = snd_soc_dapm_new_controls(dapm, wcd9375_dapm_widgets, 2550 ARRAY_SIZE(wcd9375_dapm_widgets)); 2551 if (ret < 0) { 2552 dev_err(component->dev, "Failed to add snd_ctls\n"); 2553 wcd_clsh_ctrl_free(wcd937x->clsh_info); 2554 return ret; 2555 } 2556 2557 ret = snd_soc_dapm_add_routes(dapm, wcd9375_audio_map, 2558 ARRAY_SIZE(wcd9375_audio_map)); 2559 if (ret < 0) { 2560 dev_err(component->dev, "Failed to add routes\n"); 2561 wcd_clsh_ctrl_free(wcd937x->clsh_info); 2562 return ret; 2563 } 2564 } 2565 2566 ret = wcd937x_mbhc_init(component); 2567 if (ret) 2568 dev_err(component->dev, "mbhc initialization failed\n"); 2569 2570 return ret; 2571 } 2572 2573 static void wcd937x_soc_codec_remove(struct snd_soc_component *component) 2574 { 2575 struct wcd937x_priv *wcd937x = snd_soc_component_get_drvdata(component); 2576 2577 wcd937x_mbhc_deinit(component); 2578 free_irq(wcd937x->aux_pdm_wd_int, wcd937x); 2579 free_irq(wcd937x->hphl_pdm_wd_int, wcd937x); 2580 free_irq(wcd937x->hphr_pdm_wd_int, wcd937x); 2581 2582 wcd_clsh_ctrl_free(wcd937x->clsh_info); 2583 } 2584 2585 static int wcd937x_codec_set_jack(struct snd_soc_component *comp, 2586 struct snd_soc_jack *jack, void *data) 2587 { 2588 struct wcd937x_priv *wcd = dev_get_drvdata(comp->dev); 2589 int ret = 0; 2590 2591 if (jack) 2592 ret = wcd_mbhc_start(wcd->wcd_mbhc, &wcd->mbhc_cfg, jack); 2593 else 2594 wcd_mbhc_stop(wcd->wcd_mbhc); 2595 2596 return ret; 2597 } 2598 2599 static const struct snd_soc_component_driver soc_codec_dev_wcd937x = { 2600 .name = "wcd937x_codec", 2601 .probe = wcd937x_soc_codec_probe, 2602 .remove = wcd937x_soc_codec_remove, 2603 .controls = wcd937x_snd_controls, 2604 .num_controls = ARRAY_SIZE(wcd937x_snd_controls), 2605 .dapm_widgets = wcd937x_dapm_widgets, 2606 .num_dapm_widgets = ARRAY_SIZE(wcd937x_dapm_widgets), 2607 .dapm_routes = wcd937x_audio_map, 2608 .num_dapm_routes = ARRAY_SIZE(wcd937x_audio_map), 2609 .set_jack = wcd937x_codec_set_jack, 2610 .endianness = 1, 2611 }; 2612 2613 static bool wcd937x_swap_gnd_mic(struct snd_soc_component *component) 2614 { 2615 int value; 2616 struct wcd937x_priv *wcd937x; 2617 2618 wcd937x = snd_soc_component_get_drvdata(component); 2619 2620 value = gpiod_get_value(wcd937x->us_euro_gpio); 2621 gpiod_set_value(wcd937x->us_euro_gpio, !value); 2622 2623 return true; 2624 } 2625 2626 static int wcd937x_codec_hw_params(struct snd_pcm_substream *substream, 2627 struct snd_pcm_hw_params *params, 2628 struct snd_soc_dai *dai) 2629 { 2630 struct wcd937x_priv *wcd937x = dev_get_drvdata(dai->dev); 2631 struct wcd937x_sdw_priv *wcd = wcd937x->sdw_priv[dai->id]; 2632 2633 return wcd937x_sdw_hw_params(wcd, substream, params, dai); 2634 } 2635 2636 static int wcd937x_codec_free(struct snd_pcm_substream *substream, 2637 struct snd_soc_dai *dai) 2638 { 2639 struct wcd937x_priv *wcd937x = dev_get_drvdata(dai->dev); 2640 struct wcd937x_sdw_priv *wcd = wcd937x->sdw_priv[dai->id]; 2641 2642 return sdw_stream_remove_slave(wcd->sdev, wcd->sruntime); 2643 } 2644 2645 static int wcd937x_codec_set_sdw_stream(struct snd_soc_dai *dai, 2646 void *stream, int direction) 2647 { 2648 struct wcd937x_priv *wcd937x = dev_get_drvdata(dai->dev); 2649 struct wcd937x_sdw_priv *wcd = wcd937x->sdw_priv[dai->id]; 2650 2651 wcd->sruntime = stream; 2652 2653 return 0; 2654 } 2655 2656 static int wcd937x_get_channel_map(const struct snd_soc_dai *dai, 2657 unsigned int *tx_num, unsigned int *tx_slot, 2658 unsigned int *rx_num, unsigned int *rx_slot) 2659 { 2660 struct wcd937x_priv *wcd937x = dev_get_drvdata(dai->dev); 2661 struct wcd937x_sdw_priv *wcd = wcd937x->sdw_priv[dai->id]; 2662 int i; 2663 2664 switch (dai->id) { 2665 case AIF1_PB: 2666 if (!rx_slot || !rx_num) { 2667 dev_err(dai->dev, "Invalid rx_slot %p or rx_num %p\n", 2668 rx_slot, rx_num); 2669 return -EINVAL; 2670 } 2671 2672 for (i = 0; i < SDW_MAX_PORTS; i++) 2673 rx_slot[i] = wcd->master_channel_map[i]; 2674 2675 *rx_num = i; 2676 break; 2677 case AIF1_CAP: 2678 if (!tx_slot || !tx_num) { 2679 dev_err(dai->dev, "Invalid tx_slot %p or tx_num %p\n", 2680 tx_slot, tx_num); 2681 return -EINVAL; 2682 } 2683 2684 for (i = 0; i < SDW_MAX_PORTS; i++) 2685 tx_slot[i] = wcd->master_channel_map[i]; 2686 2687 *tx_num = i; 2688 break; 2689 default: 2690 break; 2691 } 2692 2693 return 0; 2694 } 2695 2696 static const struct snd_soc_dai_ops wcd937x_sdw_dai_ops = { 2697 .hw_params = wcd937x_codec_hw_params, 2698 .hw_free = wcd937x_codec_free, 2699 .set_stream = wcd937x_codec_set_sdw_stream, 2700 .get_channel_map = wcd937x_get_channel_map, 2701 }; 2702 2703 static struct snd_soc_dai_driver wcd937x_dais[] = { 2704 [0] = { 2705 .name = "wcd937x-sdw-rx", 2706 .playback = { 2707 .stream_name = "WCD AIF Playback", 2708 .rates = WCD937X_RATES | WCD937X_FRAC_RATES, 2709 .formats = WCD937X_FORMATS, 2710 .rate_min = 8000, 2711 .rate_max = 384000, 2712 .channels_min = 1, 2713 .channels_max = 4, 2714 }, 2715 .ops = &wcd937x_sdw_dai_ops, 2716 }, 2717 [1] = { 2718 .name = "wcd937x-sdw-tx", 2719 .capture = { 2720 .stream_name = "WCD AIF Capture", 2721 .rates = WCD937X_RATES, 2722 .formats = WCD937X_FORMATS, 2723 .rate_min = 8000, 2724 .rate_max = 192000, 2725 .channels_min = 1, 2726 .channels_max = 4, 2727 }, 2728 .ops = &wcd937x_sdw_dai_ops, 2729 }, 2730 }; 2731 2732 static int wcd937x_bind(struct device *dev) 2733 { 2734 struct wcd937x_priv *wcd937x = dev_get_drvdata(dev); 2735 int ret; 2736 2737 /* Give the SDW subdevices some more time to settle */ 2738 usleep_range(5000, 5010); 2739 2740 ret = component_bind_all(dev, wcd937x); 2741 if (ret) { 2742 dev_err(dev, "Slave bind failed, ret = %d\n", ret); 2743 return ret; 2744 } 2745 2746 wcd937x->rxdev = of_sdw_find_device_by_node(wcd937x->rxnode); 2747 if (!wcd937x->rxdev) { 2748 dev_err(dev, "could not find slave with matching of node\n"); 2749 ret = -EINVAL; 2750 goto err_component_unbind; 2751 } 2752 2753 wcd937x->sdw_priv[AIF1_PB] = dev_get_drvdata(wcd937x->rxdev); 2754 wcd937x->sdw_priv[AIF1_PB]->wcd937x = wcd937x; 2755 2756 wcd937x->txdev = of_sdw_find_device_by_node(wcd937x->txnode); 2757 if (!wcd937x->txdev) { 2758 dev_err(dev, "could not find txslave with matching of node\n"); 2759 ret = -EINVAL; 2760 goto err_put_rxdev; 2761 } 2762 2763 wcd937x->sdw_priv[AIF1_CAP] = dev_get_drvdata(wcd937x->txdev); 2764 wcd937x->sdw_priv[AIF1_CAP]->wcd937x = wcd937x; 2765 wcd937x->tx_sdw_dev = dev_to_sdw_dev(wcd937x->txdev); 2766 2767 /* 2768 * As TX is the main CSR reg interface, which should not be suspended first. 2769 * expicilty add the dependency link 2770 */ 2771 if (!device_link_add(wcd937x->rxdev, wcd937x->txdev, 2772 DL_FLAG_STATELESS | DL_FLAG_PM_RUNTIME)) { 2773 dev_err(dev, "Could not devlink TX and RX\n"); 2774 ret = -EINVAL; 2775 goto err_put_txdev; 2776 } 2777 2778 if (!device_link_add(dev, wcd937x->txdev, 2779 DL_FLAG_STATELESS | DL_FLAG_PM_RUNTIME)) { 2780 dev_err(dev, "Could not devlink WCD and TX\n"); 2781 ret = -EINVAL; 2782 goto err_remove_link1; 2783 } 2784 2785 if (!device_link_add(dev, wcd937x->rxdev, 2786 DL_FLAG_STATELESS | DL_FLAG_PM_RUNTIME)) { 2787 dev_err(dev, "Could not devlink WCD and RX\n"); 2788 ret = -EINVAL; 2789 goto err_remove_link2; 2790 } 2791 2792 wcd937x->regmap = wcd937x->sdw_priv[AIF1_CAP]->regmap; 2793 if (!wcd937x->regmap) { 2794 dev_err(dev, "could not get TX device regmap\n"); 2795 ret = -EINVAL; 2796 goto err_remove_link3; 2797 } 2798 2799 ret = wcd937x_irq_init(wcd937x, dev); 2800 if (ret) { 2801 dev_err(dev, "IRQ init failed: %d\n", ret); 2802 goto err_remove_link3; 2803 } 2804 2805 wcd937x->sdw_priv[AIF1_PB]->slave_irq = wcd937x->virq; 2806 wcd937x->sdw_priv[AIF1_CAP]->slave_irq = wcd937x->virq; 2807 2808 wcd937x_set_micbias_data(dev, wcd937x); 2809 2810 ret = snd_soc_register_component(dev, &soc_codec_dev_wcd937x, 2811 wcd937x_dais, ARRAY_SIZE(wcd937x_dais)); 2812 if (ret) { 2813 dev_err(dev, "Codec registration failed\n"); 2814 goto err_remove_link3; 2815 } 2816 2817 return ret; 2818 2819 err_remove_link3: 2820 device_link_remove(dev, wcd937x->rxdev); 2821 err_remove_link2: 2822 device_link_remove(dev, wcd937x->txdev); 2823 err_remove_link1: 2824 device_link_remove(wcd937x->rxdev, wcd937x->txdev); 2825 err_put_txdev: 2826 put_device(wcd937x->txdev); 2827 err_put_rxdev: 2828 put_device(wcd937x->rxdev); 2829 err_component_unbind: 2830 component_unbind_all(dev, wcd937x); 2831 return ret; 2832 } 2833 2834 static void wcd937x_unbind(struct device *dev) 2835 { 2836 struct wcd937x_priv *wcd937x = dev_get_drvdata(dev); 2837 2838 snd_soc_unregister_component(dev); 2839 device_link_remove(dev, wcd937x->txdev); 2840 device_link_remove(dev, wcd937x->rxdev); 2841 device_link_remove(wcd937x->rxdev, wcd937x->txdev); 2842 component_unbind_all(dev, wcd937x); 2843 mutex_destroy(&wcd937x->micb_lock); 2844 put_device(wcd937x->txdev); 2845 put_device(wcd937x->rxdev); 2846 } 2847 2848 static const struct component_master_ops wcd937x_comp_ops = { 2849 .bind = wcd937x_bind, 2850 .unbind = wcd937x_unbind, 2851 }; 2852 2853 static int wcd937x_add_slave_components(struct wcd937x_priv *wcd937x, 2854 struct device *dev, 2855 struct component_match **matchptr) 2856 { 2857 struct device_node *np = dev->of_node; 2858 2859 wcd937x->rxnode = of_parse_phandle(np, "qcom,rx-device", 0); 2860 if (!wcd937x->rxnode) { 2861 dev_err(dev, "Couldn't parse phandle to qcom,rx-device!\n"); 2862 return -ENODEV; 2863 } 2864 2865 component_match_add_release(dev, matchptr, component_release_of, 2866 component_compare_of, wcd937x->rxnode); 2867 2868 wcd937x->txnode = of_parse_phandle(np, "qcom,tx-device", 0); 2869 if (!wcd937x->txnode) { 2870 dev_err(dev, "Couldn't parse phandle to qcom,tx-device\n"); 2871 return -ENODEV; 2872 } 2873 2874 component_match_add_release(dev, matchptr, component_release_of, 2875 component_compare_of, wcd937x->txnode); 2876 2877 return 0; 2878 } 2879 2880 static int wcd937x_probe(struct platform_device *pdev) 2881 { 2882 struct component_match *match = NULL; 2883 struct device *dev = &pdev->dev; 2884 struct wcd937x_priv *wcd937x; 2885 struct wcd_mbhc_config *cfg; 2886 int ret; 2887 2888 wcd937x = devm_kzalloc(dev, sizeof(*wcd937x), GFP_KERNEL); 2889 if (!wcd937x) 2890 return -ENOMEM; 2891 2892 dev_set_drvdata(dev, wcd937x); 2893 mutex_init(&wcd937x->micb_lock); 2894 wcd937x->common.dev = dev; 2895 wcd937x->common.max_bias = 3; 2896 2897 wcd937x->reset_gpio = devm_gpiod_get(dev, "reset", GPIOD_OUT_LOW); 2898 if (IS_ERR(wcd937x->reset_gpio)) 2899 return dev_err_probe(dev, PTR_ERR(wcd937x->reset_gpio), 2900 "failed to reset wcd gpio\n"); 2901 2902 wcd937x->us_euro_gpio = devm_gpiod_get_optional(dev, "us-euro", GPIOD_OUT_LOW); 2903 if (IS_ERR(wcd937x->us_euro_gpio)) 2904 return dev_err_probe(dev, PTR_ERR(wcd937x->us_euro_gpio), 2905 "us-euro swap Control GPIO not found\n"); 2906 2907 cfg = &wcd937x->mbhc_cfg; 2908 cfg->swap_gnd_mic = wcd937x_swap_gnd_mic; 2909 2910 ret = devm_regulator_bulk_get_enable(dev, ARRAY_SIZE(wcd937x_supplies), 2911 wcd937x_supplies); 2912 if (ret) 2913 return dev_err_probe(dev, ret, "Failed to get and enable supplies\n"); 2914 2915 ret = wcd_dt_parse_micbias_info(&wcd937x->common); 2916 if (ret) 2917 return dev_err_probe(dev, ret, "Failed to get micbias\n"); 2918 2919 cfg->mbhc_micbias = MIC_BIAS_2; 2920 cfg->anc_micbias = MIC_BIAS_2; 2921 cfg->v_hs_max = WCD_MBHC_HS_V_MAX; 2922 cfg->num_btn = WCD937X_MBHC_MAX_BUTTONS; 2923 cfg->micb_mv = wcd937x->common.micb_mv[2]; 2924 cfg->linein_th = 5000; 2925 cfg->hs_thr = 1700; 2926 cfg->hph_thr = 50; 2927 2928 wcd_dt_parse_mbhc_data(dev, &wcd937x->mbhc_cfg); 2929 2930 ret = wcd937x_add_slave_components(wcd937x, dev, &match); 2931 if (ret) 2932 return ret; 2933 2934 wcd937x_reset(wcd937x); 2935 2936 ret = component_master_add_with_match(dev, &wcd937x_comp_ops, match); 2937 if (ret) 2938 return ret; 2939 2940 pm_runtime_set_autosuspend_delay(dev, 1000); 2941 pm_runtime_use_autosuspend(dev); 2942 pm_runtime_mark_last_busy(dev); 2943 pm_runtime_set_active(dev); 2944 pm_runtime_enable(dev); 2945 pm_runtime_idle(dev); 2946 2947 return 0; 2948 } 2949 2950 static void wcd937x_remove(struct platform_device *pdev) 2951 { 2952 struct device *dev = &pdev->dev; 2953 2954 component_master_del(&pdev->dev, &wcd937x_comp_ops); 2955 2956 pm_runtime_disable(dev); 2957 pm_runtime_set_suspended(dev); 2958 pm_runtime_dont_use_autosuspend(dev); 2959 } 2960 2961 #if defined(CONFIG_OF) 2962 static const struct of_device_id wcd937x_of_match[] = { 2963 { .compatible = "qcom,wcd9370-codec" }, 2964 { .compatible = "qcom,wcd9375-codec" }, 2965 { } 2966 }; 2967 MODULE_DEVICE_TABLE(of, wcd937x_of_match); 2968 #endif 2969 2970 static struct platform_driver wcd937x_codec_driver = { 2971 .probe = wcd937x_probe, 2972 .remove = wcd937x_remove, 2973 .driver = { 2974 .name = "wcd937x_codec", 2975 .of_match_table = of_match_ptr(wcd937x_of_match), 2976 .suppress_bind_attrs = true, 2977 }, 2978 }; 2979 2980 module_platform_driver(wcd937x_codec_driver); 2981 MODULE_DESCRIPTION("WCD937X Codec driver"); 2982 MODULE_LICENSE("GPL"); 2983