1 // SPDX-License-Identifier: GPL-2.0 2 // Copyright (c) 2016, The Linux Foundation. All rights reserved. 3 4 #include <linux/module.h> 5 #include <linux/err.h> 6 #include <linux/kernel.h> 7 #include <linux/delay.h> 8 #include <linux/regulator/consumer.h> 9 #include <linux/types.h> 10 #include <linux/clk.h> 11 #include <linux/of.h> 12 #include <linux/platform_device.h> 13 #include <linux/regmap.h> 14 #include <sound/soc.h> 15 #include <sound/pcm.h> 16 #include <sound/pcm_params.h> 17 #include <sound/tlv.h> 18 #include <sound/jack.h> 19 20 #define CDC_D_REVISION1 (0xf000) 21 #define CDC_D_PERPH_SUBTYPE (0xf005) 22 #define CDC_D_INT_EN_SET (0x015) 23 #define CDC_D_INT_EN_CLR (0x016) 24 #define MBHC_SWITCH_INT BIT(7) 25 #define MBHC_MIC_ELECTRICAL_INS_REM_DET BIT(6) 26 #define MBHC_BUTTON_PRESS_DET BIT(5) 27 #define MBHC_BUTTON_RELEASE_DET BIT(4) 28 #define CDC_D_CDC_RST_CTL (0xf046) 29 #define RST_CTL_DIG_SW_RST_N_MASK BIT(7) 30 #define RST_CTL_DIG_SW_RST_N_RESET 0 31 #define RST_CTL_DIG_SW_RST_N_REMOVE_RESET BIT(7) 32 33 #define CDC_D_CDC_TOP_CLK_CTL (0xf048) 34 #define TOP_CLK_CTL_A_MCLK_MCLK2_EN_MASK (BIT(2) | BIT(3)) 35 #define TOP_CLK_CTL_A_MCLK_EN_ENABLE BIT(2) 36 #define TOP_CLK_CTL_A_MCLK2_EN_ENABLE BIT(3) 37 38 #define CDC_D_CDC_ANA_CLK_CTL (0xf049) 39 #define ANA_CLK_CTL_EAR_HPHR_CLK_EN_MASK BIT(0) 40 #define ANA_CLK_CTL_EAR_HPHR_CLK_EN BIT(0) 41 #define ANA_CLK_CTL_EAR_HPHL_CLK_EN BIT(1) 42 #define ANA_CLK_CTL_SPKR_CLK_EN_MASK BIT(4) 43 #define ANA_CLK_CTL_SPKR_CLK_EN BIT(4) 44 #define ANA_CLK_CTL_TXA_CLK25_EN BIT(5) 45 46 #define CDC_D_CDC_DIG_CLK_CTL (0xf04A) 47 #define DIG_CLK_CTL_RXD1_CLK_EN BIT(0) 48 #define DIG_CLK_CTL_RXD2_CLK_EN BIT(1) 49 #define DIG_CLK_CTL_RXD3_CLK_EN BIT(2) 50 #define DIG_CLK_CTL_D_MBHC_CLK_EN_MASK BIT(3) 51 #define DIG_CLK_CTL_D_MBHC_CLK_EN BIT(3) 52 #define DIG_CLK_CTL_TXD_CLK_EN BIT(4) 53 #define DIG_CLK_CTL_NCP_CLK_EN_MASK BIT(6) 54 #define DIG_CLK_CTL_NCP_CLK_EN BIT(6) 55 #define DIG_CLK_CTL_RXD_PDM_CLK_EN_MASK BIT(7) 56 #define DIG_CLK_CTL_RXD_PDM_CLK_EN BIT(7) 57 58 #define CDC_D_CDC_CONN_TX1_CTL (0xf050) 59 #define CONN_TX1_SERIAL_TX1_MUX GENMASK(1, 0) 60 #define CONN_TX1_SERIAL_TX1_ADC_1 0x0 61 #define CONN_TX1_SERIAL_TX1_RX_PDM_LB 0x1 62 #define CONN_TX1_SERIAL_TX1_ZERO 0x2 63 64 #define CDC_D_CDC_CONN_TX2_CTL (0xf051) 65 #define CONN_TX2_SERIAL_TX2_MUX GENMASK(1, 0) 66 #define CONN_TX2_SERIAL_TX2_ADC_2 0x0 67 #define CONN_TX2_SERIAL_TX2_RX_PDM_LB 0x1 68 #define CONN_TX2_SERIAL_TX2_ZERO 0x2 69 #define CDC_D_CDC_CONN_HPHR_DAC_CTL (0xf052) 70 #define CDC_D_CDC_CONN_RX1_CTL (0xf053) 71 #define CDC_D_CDC_CONN_RX2_CTL (0xf054) 72 #define CDC_D_CDC_CONN_RX3_CTL (0xf055) 73 #define CDC_D_CDC_CONN_RX_LB_CTL (0xf056) 74 #define CDC_D_SEC_ACCESS (0xf0D0) 75 #define CDC_D_PERPH_RESET_CTL3 (0xf0DA) 76 #define CDC_D_PERPH_RESET_CTL4 (0xf0DB) 77 #define CDC_A_REVISION1 (0xf100) 78 #define CDC_A_REVISION2 (0xf101) 79 #define CDC_A_REVISION3 (0xf102) 80 #define CDC_A_REVISION4 (0xf103) 81 #define CDC_A_PERPH_TYPE (0xf104) 82 #define CDC_A_PERPH_SUBTYPE (0xf105) 83 #define CDC_A_INT_RT_STS (0xf110) 84 #define CDC_A_INT_SET_TYPE (0xf111) 85 #define CDC_A_INT_POLARITY_HIGH (0xf112) 86 #define CDC_A_INT_POLARITY_LOW (0xf113) 87 #define CDC_A_INT_LATCHED_CLR (0xf114) 88 #define CDC_A_INT_EN_SET (0xf115) 89 #define CDC_A_INT_EN_CLR (0xf116) 90 #define CDC_A_INT_LATCHED_STS (0xf118) 91 #define CDC_A_INT_PENDING_STS (0xf119) 92 #define CDC_A_INT_MID_SEL (0xf11A) 93 #define CDC_A_INT_PRIORITY (0xf11B) 94 #define CDC_A_MICB_1_EN (0xf140) 95 #define MICB_1_EN_MICB_ENABLE BIT(7) 96 #define MICB_1_EN_BYP_CAP_MASK BIT(6) 97 #define MICB_1_EN_NO_EXT_BYP_CAP BIT(6) 98 #define MICB_1_EN_EXT_BYP_CAP 0 99 #define MICB_1_EN_PULL_DOWN_EN_MASK BIT(5) 100 #define MICB_1_EN_PULL_DOWN_EN_ENABLE BIT(5) 101 #define MICB_1_EN_OPA_STG2_TAIL_CURR_MASK GENMASK(3, 1) 102 #define MICB_1_EN_OPA_STG2_TAIL_CURR_1_60UA (0x4) 103 #define MICB_1_EN_PULL_UP_EN_MASK BIT(4) 104 #define MICB_1_EN_TX3_GND_SEL_MASK BIT(0) 105 #define MICB_1_EN_TX3_GND_SEL_TX_GND 0 106 107 #define CDC_A_MICB_1_VAL (0xf141) 108 #define MICB_MIN_VAL 1600 109 #define MICB_STEP_SIZE 50 110 #define MICB_VOLTAGE_REGVAL(v) (((v - MICB_MIN_VAL)/MICB_STEP_SIZE) << 3) 111 #define MICB_1_VAL_MICB_OUT_VAL_MASK GENMASK(7, 3) 112 #define MICB_1_VAL_MICB_OUT_VAL_V2P70V ((0x16) << 3) 113 #define MICB_1_VAL_MICB_OUT_VAL_V1P80V ((0x4) << 3) 114 #define CDC_A_MICB_1_CTL (0xf142) 115 116 #define MICB_1_CTL_CFILT_REF_SEL_MASK BIT(1) 117 #define MICB_1_CTL_CFILT_REF_SEL_HPF_REF BIT(1) 118 #define MICB_1_CTL_EXT_PRECHARG_EN_MASK BIT(5) 119 #define MICB_1_CTL_EXT_PRECHARG_EN_ENABLE BIT(5) 120 #define MICB_1_CTL_INT_PRECHARG_BYP_MASK BIT(6) 121 #define MICB_1_CTL_INT_PRECHARG_BYP_EXT_PRECHRG_SEL BIT(6) 122 123 #define CDC_A_MICB_1_INT_RBIAS (0xf143) 124 #define MICB_1_INT_TX1_INT_RBIAS_EN_MASK BIT(7) 125 #define MICB_1_INT_TX1_INT_RBIAS_EN_ENABLE BIT(7) 126 #define MICB_1_INT_TX1_INT_RBIAS_EN_DISABLE 0 127 128 #define MICB_1_INT_TX1_INT_PULLUP_EN_MASK BIT(6) 129 #define MICB_1_INT_TX1_INT_PULLUP_EN_TX1N_TO_MICBIAS BIT(6) 130 #define MICB_1_INT_TX1_INT_PULLUP_EN_TX1N_TO_GND 0 131 132 #define MICB_1_INT_TX2_INT_RBIAS_EN_MASK BIT(4) 133 #define MICB_1_INT_TX2_INT_RBIAS_EN_ENABLE BIT(4) 134 #define MICB_1_INT_TX2_INT_RBIAS_EN_DISABLE 0 135 #define MICB_1_INT_TX2_INT_PULLUP_EN_MASK BIT(3) 136 #define MICB_1_INT_TX2_INT_PULLUP_EN_TX1N_TO_MICBIAS BIT(3) 137 #define MICB_1_INT_TX2_INT_PULLUP_EN_TX1N_TO_GND 0 138 139 #define MICB_1_INT_TX3_INT_RBIAS_EN_MASK BIT(1) 140 #define MICB_1_INT_TX3_INT_RBIAS_EN_ENABLE BIT(1) 141 #define MICB_1_INT_TX3_INT_RBIAS_EN_DISABLE 0 142 #define MICB_1_INT_TX3_INT_PULLUP_EN_MASK BIT(0) 143 #define MICB_1_INT_TX3_INT_PULLUP_EN_TX1N_TO_MICBIAS BIT(0) 144 #define MICB_1_INT_TX3_INT_PULLUP_EN_TX1N_TO_GND 0 145 146 #define CDC_A_MICB_2_EN (0xf144) 147 #define CDC_A_MICB_2_EN_ENABLE BIT(7) 148 #define CDC_A_MICB_2_PULL_DOWN_EN_MASK BIT(5) 149 #define CDC_A_MICB_2_PULL_DOWN_EN BIT(5) 150 #define CDC_A_TX_1_2_ATEST_CTL_2 (0xf145) 151 #define CDC_A_MASTER_BIAS_CTL (0xf146) 152 #define CDC_A_MBHC_DET_CTL_1 (0xf147) 153 #define CDC_A_MBHC_DET_CTL_L_DET_EN BIT(7) 154 #define CDC_A_MBHC_DET_CTL_GND_DET_EN BIT(6) 155 #define CDC_A_MBHC_DET_CTL_MECH_DET_TYPE_INSERTION BIT(5) 156 #define CDC_A_MBHC_DET_CTL_MECH_DET_TYPE_REMOVAL (0) 157 #define CDC_A_MBHC_DET_CTL_MECH_DET_TYPE_MASK BIT(5) 158 #define CDC_A_MBHC_DET_CTL_MECH_DET_TYPE_SHIFT (5) 159 #define CDC_A_MBHC_DET_CTL_MIC_CLAMP_CTL_AUTO BIT(4) 160 #define CDC_A_MBHC_DET_CTL_MIC_CLAMP_CTL_MANUAL BIT(3) 161 #define CDC_A_MBHC_DET_CTL_MIC_CLAMP_CTL_MASK GENMASK(4, 3) 162 #define CDC_A_MBHC_DET_CTL_MBHC_BIAS_EN BIT(2) 163 #define CDC_A_MBHC_DET_CTL_2 (0xf150) 164 #define CDC_A_MBHC_DET_CTL_HS_L_DET_PULL_UP_CTRL_I_3P0 (BIT(7) | BIT(6)) 165 #define CDC_A_MBHC_DET_CTL_HS_L_DET_COMPA_CTRL_V0P9_VDD BIT(5) 166 #define CDC_A_PLUG_TYPE_MASK GENMASK(4, 3) 167 #define CDC_A_HPHL_PLUG_TYPE_NO BIT(4) 168 #define CDC_A_GND_PLUG_TYPE_NO BIT(3) 169 #define CDC_A_MBHC_DET_CTL_HPHL_100K_TO_GND_EN_MASK BIT(0) 170 #define CDC_A_MBHC_DET_CTL_HPHL_100K_TO_GND_EN BIT(0) 171 #define CDC_A_MBHC_FSM_CTL (0xf151) 172 #define CDC_A_MBHC_FSM_CTL_MBHC_FSM_EN BIT(7) 173 #define CDC_A_MBHC_FSM_CTL_MBHC_FSM_EN_MASK BIT(7) 174 #define CDC_A_MBHC_FSM_CTL_BTN_ISRC_CTRL_I_100UA (0x3 << 4) 175 #define CDC_A_MBHC_FSM_CTL_BTN_ISRC_CTRL_MASK GENMASK(6, 4) 176 #define CDC_A_MBHC_DBNC_TIMER (0xf152) 177 #define CDC_A_MBHC_DBNC_TIMER_BTN_DBNC_T_16MS BIT(3) 178 #define CDC_A_MBHC_DBNC_TIMER_INSREM_DBNC_T_256_MS (0x9 << 4) 179 #define CDC_A_MBHC_BTN0_ZDET_CTL_0 (0xf153) 180 #define CDC_A_MBHC_BTN1_ZDET_CTL_1 (0xf154) 181 #define CDC_A_MBHC_BTN2_ZDET_CTL_2 (0xf155) 182 #define CDC_A_MBHC_BTN3_CTL (0xf156) 183 #define CDC_A_MBHC_BTN4_CTL (0xf157) 184 #define CDC_A_MBHC_BTN_VREF_FINE_SHIFT (2) 185 #define CDC_A_MBHC_BTN_VREF_FINE_MASK GENMASK(4, 2) 186 #define CDC_A_MBHC_BTN_VREF_COARSE_MASK GENMASK(7, 5) 187 #define CDC_A_MBHC_BTN_VREF_COARSE_SHIFT (5) 188 #define CDC_A_MBHC_BTN_VREF_MASK (CDC_A_MBHC_BTN_VREF_COARSE_MASK | \ 189 CDC_A_MBHC_BTN_VREF_FINE_MASK) 190 #define CDC_A_MBHC_RESULT_1 (0xf158) 191 #define CDC_A_MBHC_RESULT_1_BTN_RESULT_MASK GENMASK(4, 0) 192 #define CDC_A_TX_1_EN (0xf160) 193 #define CDC_A_TX_2_EN (0xf161) 194 #define CDC_A_TX_1_2_TEST_CTL_1 (0xf162) 195 #define CDC_A_TX_1_2_TEST_CTL_2 (0xf163) 196 #define CDC_A_TX_1_2_ATEST_CTL (0xf164) 197 #define CDC_A_TX_1_2_OPAMP_BIAS (0xf165) 198 #define CDC_A_TX_3_EN (0xf167) 199 #define CDC_A_NCP_EN (0xf180) 200 #define CDC_A_NCP_CLK (0xf181) 201 #define CDC_A_NCP_FBCTRL (0xf183) 202 #define CDC_A_NCP_FBCTRL_FB_CLK_INV_MASK BIT(5) 203 #define CDC_A_NCP_FBCTRL_FB_CLK_INV BIT(5) 204 #define CDC_A_NCP_BIAS (0xf184) 205 #define CDC_A_NCP_VCTRL (0xf185) 206 #define CDC_A_NCP_TEST (0xf186) 207 #define CDC_A_NCP_CLIM_ADDR (0xf187) 208 #define CDC_A_RX_CLOCK_DIVIDER (0xf190) 209 #define CDC_A_RX_COM_OCP_CTL (0xf191) 210 #define CDC_A_RX_COM_OCP_COUNT (0xf192) 211 #define CDC_A_RX_COM_BIAS_DAC (0xf193) 212 #define RX_COM_BIAS_DAC_RX_BIAS_EN_MASK BIT(7) 213 #define RX_COM_BIAS_DAC_RX_BIAS_EN_ENABLE BIT(7) 214 #define RX_COM_BIAS_DAC_DAC_REF_EN_MASK BIT(0) 215 #define RX_COM_BIAS_DAC_DAC_REF_EN_ENABLE BIT(0) 216 217 #define CDC_A_RX_HPH_BIAS_PA (0xf194) 218 #define CDC_A_RX_HPH_BIAS_LDO_OCP (0xf195) 219 #define CDC_A_RX_HPH_BIAS_CNP (0xf196) 220 #define CDC_A_RX_HPH_CNP_EN (0xf197) 221 #define CDC_A_RX_HPH_L_PA_DAC_CTL (0xf19B) 222 #define RX_HPA_L_PA_DAC_CTL_DATA_RESET_MASK BIT(1) 223 #define RX_HPA_L_PA_DAC_CTL_DATA_RESET_RESET BIT(1) 224 #define CDC_A_RX_HPH_R_PA_DAC_CTL (0xf19D) 225 #define RX_HPH_R_PA_DAC_CTL_DATA_RESET BIT(1) 226 #define RX_HPH_R_PA_DAC_CTL_DATA_RESET_MASK BIT(1) 227 228 #define CDC_A_RX_EAR_CTL (0xf19E) 229 #define RX_EAR_CTL_SPK_VBAT_LDO_EN_MASK BIT(0) 230 #define RX_EAR_CTL_SPK_VBAT_LDO_EN_ENABLE BIT(0) 231 232 #define CDC_A_SPKR_DAC_CTL (0xf1B0) 233 #define SPKR_DAC_CTL_DAC_RESET_MASK BIT(4) 234 #define SPKR_DAC_CTL_DAC_RESET_NORMAL 0 235 236 #define CDC_A_SPKR_DRV_CTL (0xf1B2) 237 #define SPKR_DRV_CTL_DEF_MASK 0xEF 238 #define SPKR_DRV_CLASSD_PA_EN_MASK BIT(7) 239 #define SPKR_DRV_CLASSD_PA_EN_ENABLE BIT(7) 240 #define SPKR_DRV_CAL_EN BIT(6) 241 #define SPKR_DRV_SETTLE_EN BIT(5) 242 #define SPKR_DRV_FW_EN BIT(3) 243 #define SPKR_DRV_BOOST_SET BIT(2) 244 #define SPKR_DRV_CMFB_SET BIT(1) 245 #define SPKR_DRV_GAIN_SET BIT(0) 246 #define SPKR_DRV_CTL_DEF_VAL (SPKR_DRV_CLASSD_PA_EN_ENABLE | \ 247 SPKR_DRV_CAL_EN | SPKR_DRV_SETTLE_EN | \ 248 SPKR_DRV_FW_EN | SPKR_DRV_BOOST_SET | \ 249 SPKR_DRV_CMFB_SET | SPKR_DRV_GAIN_SET) 250 #define CDC_A_SPKR_OCP_CTL (0xf1B4) 251 #define CDC_A_SPKR_PWRSTG_CTL (0xf1B5) 252 #define SPKR_PWRSTG_CTL_DAC_EN_MASK BIT(0) 253 #define SPKR_PWRSTG_CTL_DAC_EN BIT(0) 254 #define SPKR_PWRSTG_CTL_MASK 0xE0 255 #define SPKR_PWRSTG_CTL_BBM_MASK BIT(7) 256 #define SPKR_PWRSTG_CTL_BBM_EN BIT(7) 257 #define SPKR_PWRSTG_CTL_HBRDGE_EN_MASK BIT(6) 258 #define SPKR_PWRSTG_CTL_HBRDGE_EN BIT(6) 259 #define SPKR_PWRSTG_CTL_CLAMP_EN_MASK BIT(5) 260 #define SPKR_PWRSTG_CTL_CLAMP_EN BIT(5) 261 262 #define CDC_A_SPKR_DRV_DBG (0xf1B7) 263 #define CDC_A_CURRENT_LIMIT (0xf1C0) 264 #define CDC_A_BOOST_EN_CTL (0xf1C3) 265 #define CDC_A_SLOPE_COMP_IP_ZERO (0xf1C4) 266 #define CDC_A_SEC_ACCESS (0xf1D0) 267 #define CDC_A_PERPH_RESET_CTL3 (0xf1DA) 268 #define CDC_A_PERPH_RESET_CTL4 (0xf1DB) 269 270 #define MSM8916_WCD_ANALOG_RATES (SNDRV_PCM_RATE_8000 | SNDRV_PCM_RATE_16000 |\ 271 SNDRV_PCM_RATE_32000 | SNDRV_PCM_RATE_48000) 272 #define MSM8916_WCD_ANALOG_FORMATS (SNDRV_PCM_FMTBIT_S16_LE |\ 273 SNDRV_PCM_FMTBIT_S32_LE) 274 275 static int btn_mask = SND_JACK_BTN_0 | SND_JACK_BTN_1 | 276 SND_JACK_BTN_2 | SND_JACK_BTN_3 | SND_JACK_BTN_4; 277 static int hs_jack_mask = SND_JACK_HEADPHONE | SND_JACK_HEADSET; 278 279 static const char * const supply_names[] = { 280 "vdd-cdc-io", 281 "vdd-cdc-tx-rx-cx", 282 }; 283 284 #define MBHC_MAX_BUTTONS (5) 285 286 struct pm8916_wcd_analog_priv { 287 u16 pmic_rev; 288 u16 codec_version; 289 bool mbhc_btn_enabled; 290 /* special event to detect accessory type */ 291 int mbhc_btn0_released; 292 bool detect_accessory_type; 293 struct clk *mclk; 294 struct snd_soc_component *component; 295 struct regulator_bulk_data supplies[ARRAY_SIZE(supply_names)]; 296 struct snd_soc_jack *jack; 297 bool hphl_jack_type_normally_open; 298 bool gnd_jack_type_normally_open; 299 /* Voltage threshold when internal current source of 100uA is used */ 300 u32 vref_btn_cs[MBHC_MAX_BUTTONS]; 301 /* Voltage threshold when microphone bias is ON */ 302 u32 vref_btn_micb[MBHC_MAX_BUTTONS]; 303 unsigned int micbias1_cap_mode; 304 unsigned int micbias2_cap_mode; 305 unsigned int micbias_mv; 306 }; 307 308 static const char *const adc2_mux_text[] = { "ZERO", "INP2", "INP3" }; 309 static const char *const rdac2_mux_text[] = { "ZERO", "RX2", "RX1" }; 310 static const char *const hph_text[] = { "ZERO", "Switch", }; 311 312 static const struct soc_enum hph_enum = SOC_ENUM_SINGLE_VIRT( 313 ARRAY_SIZE(hph_text), hph_text); 314 315 static const struct snd_kcontrol_new hphl_mux = SOC_DAPM_ENUM("HPHL", hph_enum); 316 static const struct snd_kcontrol_new hphr_mux = SOC_DAPM_ENUM("HPHR", hph_enum); 317 318 /* ADC2 MUX */ 319 static const struct soc_enum adc2_enum = SOC_ENUM_SINGLE_VIRT( 320 ARRAY_SIZE(adc2_mux_text), adc2_mux_text); 321 322 /* RDAC2 MUX */ 323 static const struct soc_enum rdac2_mux_enum = SOC_ENUM_SINGLE( 324 CDC_D_CDC_CONN_HPHR_DAC_CTL, 0, 3, rdac2_mux_text); 325 326 static const struct snd_kcontrol_new spkr_switch[] = { 327 SOC_DAPM_SINGLE("Switch", CDC_A_SPKR_DAC_CTL, 7, 1, 0) 328 }; 329 330 static const struct snd_kcontrol_new rdac2_mux = SOC_DAPM_ENUM( 331 "RDAC2 MUX Mux", rdac2_mux_enum); 332 static const struct snd_kcontrol_new tx_adc2_mux = SOC_DAPM_ENUM( 333 "ADC2 MUX Mux", adc2_enum); 334 335 /* Analog Gain control 0 dB to +24 dB in 6 dB steps */ 336 static const DECLARE_TLV_DB_SCALE(analog_gain, 0, 600, 0); 337 338 static const struct snd_kcontrol_new pm8916_wcd_analog_snd_controls[] = { 339 SOC_SINGLE_TLV("ADC1 Volume", CDC_A_TX_1_EN, 3, 8, 0, analog_gain), 340 SOC_SINGLE_TLV("ADC2 Volume", CDC_A_TX_2_EN, 3, 8, 0, analog_gain), 341 SOC_SINGLE_TLV("ADC3 Volume", CDC_A_TX_3_EN, 3, 8, 0, analog_gain), 342 }; 343 344 static void pm8916_wcd_analog_micbias_enable(struct snd_soc_component *component) 345 { 346 struct pm8916_wcd_analog_priv *wcd = snd_soc_component_get_drvdata(component); 347 348 snd_soc_component_update_bits(component, CDC_A_MICB_1_CTL, 349 MICB_1_CTL_EXT_PRECHARG_EN_MASK | 350 MICB_1_CTL_INT_PRECHARG_BYP_MASK, 351 MICB_1_CTL_INT_PRECHARG_BYP_EXT_PRECHRG_SEL 352 | MICB_1_CTL_EXT_PRECHARG_EN_ENABLE); 353 354 if (wcd->micbias_mv) { 355 snd_soc_component_update_bits(component, CDC_A_MICB_1_VAL, 356 MICB_1_VAL_MICB_OUT_VAL_MASK, 357 MICB_VOLTAGE_REGVAL(wcd->micbias_mv)); 358 /* 359 * Special headset needs MICBIAS as 2.7V so wait for 360 * 50 msec for the MICBIAS to reach 2.7 volts. 361 */ 362 if (wcd->micbias_mv >= 2700) 363 msleep(50); 364 } 365 366 snd_soc_component_update_bits(component, CDC_A_MICB_1_CTL, 367 MICB_1_CTL_EXT_PRECHARG_EN_MASK | 368 MICB_1_CTL_INT_PRECHARG_BYP_MASK, 0); 369 370 } 371 372 static int pm8916_wcd_analog_enable_micbias_ext(struct snd_soc_component 373 *component, int event, 374 int reg, unsigned int cap_mode) 375 { 376 switch (event) { 377 case SND_SOC_DAPM_POST_PMU: 378 pm8916_wcd_analog_micbias_enable(component); 379 snd_soc_component_update_bits(component, CDC_A_MICB_1_EN, 380 MICB_1_EN_BYP_CAP_MASK, cap_mode); 381 break; 382 } 383 384 return 0; 385 } 386 387 static int pm8916_wcd_analog_enable_micbias_int(struct snd_soc_component 388 *component, int event, 389 int reg, u32 cap_mode) 390 { 391 392 switch (event) { 393 case SND_SOC_DAPM_PRE_PMU: 394 snd_soc_component_update_bits(component, CDC_A_MICB_1_INT_RBIAS, 395 MICB_1_INT_TX2_INT_RBIAS_EN_MASK, 396 MICB_1_INT_TX2_INT_RBIAS_EN_ENABLE); 397 snd_soc_component_update_bits(component, reg, MICB_1_EN_PULL_DOWN_EN_MASK, 0); 398 snd_soc_component_update_bits(component, CDC_A_MICB_1_EN, 399 MICB_1_EN_OPA_STG2_TAIL_CURR_MASK, 400 MICB_1_EN_OPA_STG2_TAIL_CURR_1_60UA); 401 402 break; 403 case SND_SOC_DAPM_POST_PMU: 404 pm8916_wcd_analog_micbias_enable(component); 405 snd_soc_component_update_bits(component, CDC_A_MICB_1_EN, 406 MICB_1_EN_BYP_CAP_MASK, cap_mode); 407 break; 408 } 409 410 return 0; 411 } 412 413 static int pm8916_wcd_analog_enable_micbias_ext1(struct 414 snd_soc_dapm_widget 415 *w, struct snd_kcontrol 416 *kcontrol, int event) 417 { 418 struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm); 419 struct pm8916_wcd_analog_priv *wcd = snd_soc_component_get_drvdata(component); 420 421 return pm8916_wcd_analog_enable_micbias_ext(component, event, w->reg, 422 wcd->micbias1_cap_mode); 423 } 424 425 static int pm8916_wcd_analog_enable_micbias_ext2(struct 426 snd_soc_dapm_widget 427 *w, struct snd_kcontrol 428 *kcontrol, int event) 429 { 430 struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm); 431 struct pm8916_wcd_analog_priv *wcd = snd_soc_component_get_drvdata(component); 432 433 return pm8916_wcd_analog_enable_micbias_ext(component, event, w->reg, 434 wcd->micbias2_cap_mode); 435 436 } 437 438 static int pm8916_wcd_analog_enable_micbias_int1(struct 439 snd_soc_dapm_widget 440 *w, struct snd_kcontrol 441 *kcontrol, int event) 442 { 443 struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm); 444 struct pm8916_wcd_analog_priv *wcd = snd_soc_component_get_drvdata(component); 445 446 return pm8916_wcd_analog_enable_micbias_int(component, event, w->reg, 447 wcd->micbias1_cap_mode); 448 } 449 450 static int pm8916_mbhc_configure_bias(struct pm8916_wcd_analog_priv *priv, 451 bool micbias2_enabled) 452 { 453 struct snd_soc_component *component = priv->component; 454 u32 coarse, fine, reg_val, reg_addr; 455 int *vrefs, i; 456 457 if (!micbias2_enabled) { /* use internal 100uA Current source */ 458 /* Enable internal 2.2k Internal Rbias Resistor */ 459 snd_soc_component_update_bits(component, CDC_A_MICB_1_INT_RBIAS, 460 MICB_1_INT_TX2_INT_RBIAS_EN_MASK, 461 MICB_1_INT_TX2_INT_RBIAS_EN_ENABLE); 462 /* Remove pull down on MIC BIAS2 */ 463 snd_soc_component_update_bits(component, CDC_A_MICB_2_EN, 464 CDC_A_MICB_2_PULL_DOWN_EN_MASK, 465 0); 466 /* enable 100uA internal current source */ 467 snd_soc_component_update_bits(component, CDC_A_MBHC_FSM_CTL, 468 CDC_A_MBHC_FSM_CTL_BTN_ISRC_CTRL_MASK, 469 CDC_A_MBHC_FSM_CTL_BTN_ISRC_CTRL_I_100UA); 470 } 471 snd_soc_component_update_bits(component, CDC_A_MBHC_FSM_CTL, 472 CDC_A_MBHC_FSM_CTL_MBHC_FSM_EN_MASK, 473 CDC_A_MBHC_FSM_CTL_MBHC_FSM_EN); 474 475 if (micbias2_enabled) 476 vrefs = &priv->vref_btn_micb[0]; 477 else 478 vrefs = &priv->vref_btn_cs[0]; 479 480 /* program vref ranges for all the buttons */ 481 reg_addr = CDC_A_MBHC_BTN0_ZDET_CTL_0; 482 for (i = 0; i < MBHC_MAX_BUTTONS; i++) { 483 /* split mv in to coarse parts of 100mv & fine parts of 12mv */ 484 coarse = (vrefs[i] / 100); 485 fine = ((vrefs[i] % 100) / 12); 486 reg_val = (coarse << CDC_A_MBHC_BTN_VREF_COARSE_SHIFT) | 487 (fine << CDC_A_MBHC_BTN_VREF_FINE_SHIFT); 488 snd_soc_component_update_bits(component, reg_addr, 489 CDC_A_MBHC_BTN_VREF_MASK, 490 reg_val); 491 reg_addr++; 492 } 493 494 return 0; 495 } 496 497 static void pm8916_wcd_setup_mbhc(struct pm8916_wcd_analog_priv *wcd) 498 { 499 struct snd_soc_component *component = wcd->component; 500 bool micbias_enabled = false; 501 u32 plug_type = 0; 502 u32 int_en_mask; 503 504 snd_soc_component_write(component, CDC_A_MBHC_DET_CTL_1, 505 CDC_A_MBHC_DET_CTL_L_DET_EN | 506 CDC_A_MBHC_DET_CTL_MECH_DET_TYPE_INSERTION | 507 CDC_A_MBHC_DET_CTL_MIC_CLAMP_CTL_AUTO | 508 CDC_A_MBHC_DET_CTL_MBHC_BIAS_EN); 509 510 if (wcd->hphl_jack_type_normally_open) 511 plug_type |= CDC_A_HPHL_PLUG_TYPE_NO; 512 513 if (wcd->gnd_jack_type_normally_open) 514 plug_type |= CDC_A_GND_PLUG_TYPE_NO; 515 516 snd_soc_component_write(component, CDC_A_MBHC_DET_CTL_2, 517 CDC_A_MBHC_DET_CTL_HS_L_DET_PULL_UP_CTRL_I_3P0 | 518 CDC_A_MBHC_DET_CTL_HS_L_DET_COMPA_CTRL_V0P9_VDD | 519 plug_type | 520 CDC_A_MBHC_DET_CTL_HPHL_100K_TO_GND_EN); 521 522 523 snd_soc_component_write(component, CDC_A_MBHC_DBNC_TIMER, 524 CDC_A_MBHC_DBNC_TIMER_INSREM_DBNC_T_256_MS | 525 CDC_A_MBHC_DBNC_TIMER_BTN_DBNC_T_16MS); 526 527 /* enable MBHC clock */ 528 snd_soc_component_update_bits(component, CDC_D_CDC_DIG_CLK_CTL, 529 DIG_CLK_CTL_D_MBHC_CLK_EN_MASK, 530 DIG_CLK_CTL_D_MBHC_CLK_EN); 531 532 if (snd_soc_component_read32(component, CDC_A_MICB_2_EN) & CDC_A_MICB_2_EN_ENABLE) 533 micbias_enabled = true; 534 535 pm8916_mbhc_configure_bias(wcd, micbias_enabled); 536 537 int_en_mask = MBHC_SWITCH_INT; 538 if (wcd->mbhc_btn_enabled) 539 int_en_mask |= MBHC_BUTTON_PRESS_DET | MBHC_BUTTON_RELEASE_DET; 540 541 snd_soc_component_update_bits(component, CDC_D_INT_EN_CLR, int_en_mask, 0); 542 snd_soc_component_update_bits(component, CDC_D_INT_EN_SET, int_en_mask, int_en_mask); 543 wcd->mbhc_btn0_released = false; 544 wcd->detect_accessory_type = true; 545 } 546 547 static int pm8916_wcd_analog_enable_micbias_int2(struct 548 snd_soc_dapm_widget 549 *w, struct snd_kcontrol 550 *kcontrol, int event) 551 { 552 struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm); 553 struct pm8916_wcd_analog_priv *wcd = snd_soc_component_get_drvdata(component); 554 555 switch (event) { 556 case SND_SOC_DAPM_POST_PMU: 557 pm8916_mbhc_configure_bias(wcd, true); 558 break; 559 case SND_SOC_DAPM_POST_PMD: 560 pm8916_mbhc_configure_bias(wcd, false); 561 break; 562 } 563 564 return pm8916_wcd_analog_enable_micbias_int(component, event, w->reg, 565 wcd->micbias2_cap_mode); 566 } 567 568 static int pm8916_wcd_analog_enable_adc(struct snd_soc_dapm_widget *w, 569 struct snd_kcontrol *kcontrol, 570 int event) 571 { 572 struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm); 573 u16 adc_reg = CDC_A_TX_1_2_TEST_CTL_2; 574 u8 init_bit_shift; 575 576 if (w->reg == CDC_A_TX_1_EN) 577 init_bit_shift = 5; 578 else 579 init_bit_shift = 4; 580 581 switch (event) { 582 case SND_SOC_DAPM_PRE_PMU: 583 if (w->reg == CDC_A_TX_2_EN) 584 snd_soc_component_update_bits(component, CDC_A_MICB_1_CTL, 585 MICB_1_CTL_CFILT_REF_SEL_MASK, 586 MICB_1_CTL_CFILT_REF_SEL_HPF_REF); 587 /* 588 * Add delay of 10 ms to give sufficient time for the voltage 589 * to shoot up and settle so that the txfe init does not 590 * happen when the input voltage is changing too much. 591 */ 592 usleep_range(10000, 10010); 593 snd_soc_component_update_bits(component, adc_reg, 1 << init_bit_shift, 594 1 << init_bit_shift); 595 switch (w->reg) { 596 case CDC_A_TX_1_EN: 597 snd_soc_component_update_bits(component, CDC_D_CDC_CONN_TX1_CTL, 598 CONN_TX1_SERIAL_TX1_MUX, 599 CONN_TX1_SERIAL_TX1_ADC_1); 600 break; 601 case CDC_A_TX_2_EN: 602 case CDC_A_TX_3_EN: 603 snd_soc_component_update_bits(component, CDC_D_CDC_CONN_TX2_CTL, 604 CONN_TX2_SERIAL_TX2_MUX, 605 CONN_TX2_SERIAL_TX2_ADC_2); 606 break; 607 } 608 break; 609 case SND_SOC_DAPM_POST_PMU: 610 /* 611 * Add delay of 12 ms before deasserting the init 612 * to reduce the tx pop 613 */ 614 usleep_range(12000, 12010); 615 snd_soc_component_update_bits(component, adc_reg, 1 << init_bit_shift, 0x00); 616 break; 617 case SND_SOC_DAPM_POST_PMD: 618 switch (w->reg) { 619 case CDC_A_TX_1_EN: 620 snd_soc_component_update_bits(component, CDC_D_CDC_CONN_TX1_CTL, 621 CONN_TX1_SERIAL_TX1_MUX, 622 CONN_TX1_SERIAL_TX1_ZERO); 623 break; 624 case CDC_A_TX_2_EN: 625 snd_soc_component_update_bits(component, CDC_A_MICB_1_CTL, 626 MICB_1_CTL_CFILT_REF_SEL_MASK, 0); 627 /* fall through */ 628 case CDC_A_TX_3_EN: 629 snd_soc_component_update_bits(component, CDC_D_CDC_CONN_TX2_CTL, 630 CONN_TX2_SERIAL_TX2_MUX, 631 CONN_TX2_SERIAL_TX2_ZERO); 632 break; 633 } 634 635 636 break; 637 } 638 return 0; 639 } 640 641 static int pm8916_wcd_analog_enable_spk_pa(struct snd_soc_dapm_widget *w, 642 struct snd_kcontrol *kcontrol, 643 int event) 644 { 645 struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm); 646 647 switch (event) { 648 case SND_SOC_DAPM_PRE_PMU: 649 snd_soc_component_update_bits(component, CDC_A_SPKR_PWRSTG_CTL, 650 SPKR_PWRSTG_CTL_DAC_EN_MASK | 651 SPKR_PWRSTG_CTL_BBM_MASK | 652 SPKR_PWRSTG_CTL_HBRDGE_EN_MASK | 653 SPKR_PWRSTG_CTL_CLAMP_EN_MASK, 654 SPKR_PWRSTG_CTL_DAC_EN| 655 SPKR_PWRSTG_CTL_BBM_EN | 656 SPKR_PWRSTG_CTL_HBRDGE_EN | 657 SPKR_PWRSTG_CTL_CLAMP_EN); 658 659 snd_soc_component_update_bits(component, CDC_A_RX_EAR_CTL, 660 RX_EAR_CTL_SPK_VBAT_LDO_EN_MASK, 661 RX_EAR_CTL_SPK_VBAT_LDO_EN_ENABLE); 662 break; 663 case SND_SOC_DAPM_POST_PMU: 664 snd_soc_component_update_bits(component, CDC_A_SPKR_DRV_CTL, 665 SPKR_DRV_CTL_DEF_MASK, 666 SPKR_DRV_CTL_DEF_VAL); 667 snd_soc_component_update_bits(component, w->reg, 668 SPKR_DRV_CLASSD_PA_EN_MASK, 669 SPKR_DRV_CLASSD_PA_EN_ENABLE); 670 break; 671 case SND_SOC_DAPM_POST_PMD: 672 snd_soc_component_update_bits(component, CDC_A_SPKR_PWRSTG_CTL, 673 SPKR_PWRSTG_CTL_DAC_EN_MASK| 674 SPKR_PWRSTG_CTL_BBM_MASK | 675 SPKR_PWRSTG_CTL_HBRDGE_EN_MASK | 676 SPKR_PWRSTG_CTL_CLAMP_EN_MASK, 0); 677 678 snd_soc_component_update_bits(component, CDC_A_SPKR_DAC_CTL, 679 SPKR_DAC_CTL_DAC_RESET_MASK, 680 SPKR_DAC_CTL_DAC_RESET_NORMAL); 681 snd_soc_component_update_bits(component, CDC_A_RX_EAR_CTL, 682 RX_EAR_CTL_SPK_VBAT_LDO_EN_MASK, 0); 683 break; 684 } 685 return 0; 686 } 687 688 static const struct reg_default wcd_reg_defaults_2_0[] = { 689 {CDC_A_RX_COM_OCP_CTL, 0xD1}, 690 {CDC_A_RX_COM_OCP_COUNT, 0xFF}, 691 {CDC_D_SEC_ACCESS, 0xA5}, 692 {CDC_D_PERPH_RESET_CTL3, 0x0F}, 693 {CDC_A_TX_1_2_OPAMP_BIAS, 0x4F}, 694 {CDC_A_NCP_FBCTRL, 0x28}, 695 {CDC_A_SPKR_DRV_CTL, 0x69}, 696 {CDC_A_SPKR_DRV_DBG, 0x01}, 697 {CDC_A_BOOST_EN_CTL, 0x5F}, 698 {CDC_A_SLOPE_COMP_IP_ZERO, 0x88}, 699 {CDC_A_SEC_ACCESS, 0xA5}, 700 {CDC_A_PERPH_RESET_CTL3, 0x0F}, 701 {CDC_A_CURRENT_LIMIT, 0x82}, 702 {CDC_A_SPKR_DAC_CTL, 0x03}, 703 {CDC_A_SPKR_OCP_CTL, 0xE1}, 704 {CDC_A_MASTER_BIAS_CTL, 0x30}, 705 }; 706 707 static int pm8916_wcd_analog_probe(struct snd_soc_component *component) 708 { 709 struct pm8916_wcd_analog_priv *priv = dev_get_drvdata(component->dev); 710 int err, reg; 711 712 err = regulator_bulk_enable(ARRAY_SIZE(priv->supplies), priv->supplies); 713 if (err != 0) { 714 dev_err(component->dev, "failed to enable regulators (%d)\n", err); 715 return err; 716 } 717 718 snd_soc_component_init_regmap(component, 719 dev_get_regmap(component->dev->parent, NULL)); 720 snd_soc_component_set_drvdata(component, priv); 721 priv->pmic_rev = snd_soc_component_read32(component, CDC_D_REVISION1); 722 priv->codec_version = snd_soc_component_read32(component, CDC_D_PERPH_SUBTYPE); 723 724 dev_info(component->dev, "PMIC REV: %d\t CODEC Version: %d\n", 725 priv->pmic_rev, priv->codec_version); 726 727 snd_soc_component_write(component, CDC_D_PERPH_RESET_CTL4, 0x01); 728 snd_soc_component_write(component, CDC_A_PERPH_RESET_CTL4, 0x01); 729 730 for (reg = 0; reg < ARRAY_SIZE(wcd_reg_defaults_2_0); reg++) 731 snd_soc_component_write(component, wcd_reg_defaults_2_0[reg].reg, 732 wcd_reg_defaults_2_0[reg].def); 733 734 priv->component = component; 735 736 snd_soc_component_update_bits(component, CDC_D_CDC_RST_CTL, 737 RST_CTL_DIG_SW_RST_N_MASK, 738 RST_CTL_DIG_SW_RST_N_REMOVE_RESET); 739 740 pm8916_wcd_setup_mbhc(priv); 741 742 return 0; 743 } 744 745 static void pm8916_wcd_analog_remove(struct snd_soc_component *component) 746 { 747 struct pm8916_wcd_analog_priv *priv = dev_get_drvdata(component->dev); 748 749 snd_soc_component_update_bits(component, CDC_D_CDC_RST_CTL, 750 RST_CTL_DIG_SW_RST_N_MASK, 0); 751 752 regulator_bulk_disable(ARRAY_SIZE(priv->supplies), 753 priv->supplies); 754 } 755 756 static const struct snd_soc_dapm_route pm8916_wcd_analog_audio_map[] = { 757 758 {"PDM_RX1", NULL, "PDM Playback"}, 759 {"PDM_RX2", NULL, "PDM Playback"}, 760 {"PDM_RX3", NULL, "PDM Playback"}, 761 {"PDM Capture", NULL, "PDM_TX"}, 762 763 /* ADC Connections */ 764 {"PDM_TX", NULL, "ADC2"}, 765 {"PDM_TX", NULL, "ADC3"}, 766 {"ADC2", NULL, "ADC2 MUX"}, 767 {"ADC3", NULL, "ADC2 MUX"}, 768 {"ADC2 MUX", "INP2", "ADC2_INP2"}, 769 {"ADC2 MUX", "INP3", "ADC2_INP3"}, 770 771 {"PDM_TX", NULL, "ADC1"}, 772 {"ADC1", NULL, "AMIC1"}, 773 {"ADC2_INP2", NULL, "AMIC2"}, 774 {"ADC2_INP3", NULL, "AMIC3"}, 775 776 /* RDAC Connections */ 777 {"HPHR DAC", NULL, "RDAC2 MUX"}, 778 {"RDAC2 MUX", "RX1", "PDM_RX1"}, 779 {"RDAC2 MUX", "RX2", "PDM_RX2"}, 780 {"HPHL DAC", NULL, "PDM_RX1"}, 781 {"PDM_RX1", NULL, "RXD1_CLK"}, 782 {"PDM_RX2", NULL, "RXD2_CLK"}, 783 {"PDM_RX3", NULL, "RXD3_CLK"}, 784 785 {"PDM_RX1", NULL, "RXD_PDM_CLK"}, 786 {"PDM_RX2", NULL, "RXD_PDM_CLK"}, 787 {"PDM_RX3", NULL, "RXD_PDM_CLK"}, 788 789 {"ADC1", NULL, "TXD_CLK"}, 790 {"ADC2", NULL, "TXD_CLK"}, 791 {"ADC3", NULL, "TXD_CLK"}, 792 793 {"ADC1", NULL, "TXA_CLK25"}, 794 {"ADC2", NULL, "TXA_CLK25"}, 795 {"ADC3", NULL, "TXA_CLK25"}, 796 797 {"PDM_RX1", NULL, "A_MCLK2"}, 798 {"PDM_RX2", NULL, "A_MCLK2"}, 799 {"PDM_RX3", NULL, "A_MCLK2"}, 800 801 {"PDM_TX", NULL, "A_MCLK2"}, 802 {"A_MCLK2", NULL, "A_MCLK"}, 803 804 /* Headset (RX MIX1 and RX MIX2) */ 805 {"HEADPHONE", NULL, "HPHL PA"}, 806 {"HEADPHONE", NULL, "HPHR PA"}, 807 808 {"HPHL PA", NULL, "EAR_HPHL_CLK"}, 809 {"HPHR PA", NULL, "EAR_HPHR_CLK"}, 810 811 {"CP", NULL, "NCP_CLK"}, 812 813 {"HPHL PA", NULL, "HPHL"}, 814 {"HPHR PA", NULL, "HPHR"}, 815 {"HPHL PA", NULL, "CP"}, 816 {"HPHL PA", NULL, "RX_BIAS"}, 817 {"HPHR PA", NULL, "CP"}, 818 {"HPHR PA", NULL, "RX_BIAS"}, 819 {"HPHL", "Switch", "HPHL DAC"}, 820 {"HPHR", "Switch", "HPHR DAC"}, 821 822 {"RX_BIAS", NULL, "DAC_REF"}, 823 824 {"SPK_OUT", NULL, "SPK PA"}, 825 {"SPK PA", NULL, "RX_BIAS"}, 826 {"SPK PA", NULL, "SPKR_CLK"}, 827 {"SPK PA", NULL, "SPK DAC"}, 828 {"SPK DAC", "Switch", "PDM_RX3"}, 829 830 {"MIC BIAS Internal1", NULL, "INT_LDO_H"}, 831 {"MIC BIAS Internal2", NULL, "INT_LDO_H"}, 832 {"MIC BIAS External1", NULL, "INT_LDO_H"}, 833 {"MIC BIAS External2", NULL, "INT_LDO_H"}, 834 {"MIC BIAS Internal1", NULL, "vdd-micbias"}, 835 {"MIC BIAS Internal2", NULL, "vdd-micbias"}, 836 {"MIC BIAS External1", NULL, "vdd-micbias"}, 837 {"MIC BIAS External2", NULL, "vdd-micbias"}, 838 }; 839 840 static const struct snd_soc_dapm_widget pm8916_wcd_analog_dapm_widgets[] = { 841 842 SND_SOC_DAPM_AIF_IN("PDM_RX1", NULL, 0, SND_SOC_NOPM, 0, 0), 843 SND_SOC_DAPM_AIF_IN("PDM_RX2", NULL, 0, SND_SOC_NOPM, 0, 0), 844 SND_SOC_DAPM_AIF_IN("PDM_RX3", NULL, 0, SND_SOC_NOPM, 0, 0), 845 SND_SOC_DAPM_AIF_OUT("PDM_TX", NULL, 0, SND_SOC_NOPM, 0, 0), 846 847 SND_SOC_DAPM_INPUT("AMIC1"), 848 SND_SOC_DAPM_INPUT("AMIC3"), 849 SND_SOC_DAPM_INPUT("AMIC2"), 850 SND_SOC_DAPM_OUTPUT("HEADPHONE"), 851 852 /* RX stuff */ 853 SND_SOC_DAPM_SUPPLY("INT_LDO_H", SND_SOC_NOPM, 1, 0, NULL, 0), 854 855 SND_SOC_DAPM_PGA("HPHL PA", CDC_A_RX_HPH_CNP_EN, 5, 0, NULL, 0), 856 SND_SOC_DAPM_MUX("HPHL", SND_SOC_NOPM, 0, 0, &hphl_mux), 857 SND_SOC_DAPM_MIXER("HPHL DAC", CDC_A_RX_HPH_L_PA_DAC_CTL, 3, 0, NULL, 858 0), 859 SND_SOC_DAPM_PGA("HPHR PA", CDC_A_RX_HPH_CNP_EN, 4, 0, NULL, 0), 860 SND_SOC_DAPM_MUX("HPHR", SND_SOC_NOPM, 0, 0, &hphr_mux), 861 SND_SOC_DAPM_MIXER("HPHR DAC", CDC_A_RX_HPH_R_PA_DAC_CTL, 3, 0, NULL, 862 0), 863 SND_SOC_DAPM_MIXER("SPK DAC", SND_SOC_NOPM, 0, 0, 864 spkr_switch, ARRAY_SIZE(spkr_switch)), 865 866 /* Speaker */ 867 SND_SOC_DAPM_OUTPUT("SPK_OUT"), 868 SND_SOC_DAPM_PGA_E("SPK PA", CDC_A_SPKR_DRV_CTL, 869 6, 0, NULL, 0, 870 pm8916_wcd_analog_enable_spk_pa, 871 SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMU | 872 SND_SOC_DAPM_PRE_PMD | SND_SOC_DAPM_POST_PMD), 873 SND_SOC_DAPM_REGULATOR_SUPPLY("vdd-micbias", 0, 0), 874 SND_SOC_DAPM_SUPPLY("CP", CDC_A_NCP_EN, 0, 0, NULL, 0), 875 876 SND_SOC_DAPM_SUPPLY("DAC_REF", CDC_A_RX_COM_BIAS_DAC, 0, 0, NULL, 0), 877 SND_SOC_DAPM_SUPPLY("RX_BIAS", CDC_A_RX_COM_BIAS_DAC, 7, 0, NULL, 0), 878 879 /* TX */ 880 SND_SOC_DAPM_SUPPLY("MIC BIAS Internal1", CDC_A_MICB_1_EN, 7, 0, 881 pm8916_wcd_analog_enable_micbias_int1, 882 SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMU | 883 SND_SOC_DAPM_POST_PMD), 884 SND_SOC_DAPM_SUPPLY("MIC BIAS Internal2", CDC_A_MICB_2_EN, 7, 0, 885 pm8916_wcd_analog_enable_micbias_int2, 886 SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMU | 887 SND_SOC_DAPM_POST_PMD), 888 889 SND_SOC_DAPM_SUPPLY("MIC BIAS External1", CDC_A_MICB_1_EN, 7, 0, 890 pm8916_wcd_analog_enable_micbias_ext1, 891 SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD), 892 SND_SOC_DAPM_SUPPLY("MIC BIAS External2", CDC_A_MICB_2_EN, 7, 0, 893 pm8916_wcd_analog_enable_micbias_ext2, 894 SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD), 895 896 SND_SOC_DAPM_ADC_E("ADC1", NULL, CDC_A_TX_1_EN, 7, 0, 897 pm8916_wcd_analog_enable_adc, 898 SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMU | 899 SND_SOC_DAPM_POST_PMD), 900 SND_SOC_DAPM_ADC_E("ADC2_INP2", NULL, CDC_A_TX_2_EN, 7, 0, 901 pm8916_wcd_analog_enable_adc, 902 SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMU | 903 SND_SOC_DAPM_POST_PMD), 904 SND_SOC_DAPM_ADC_E("ADC2_INP3", NULL, CDC_A_TX_3_EN, 7, 0, 905 pm8916_wcd_analog_enable_adc, 906 SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMU | 907 SND_SOC_DAPM_POST_PMD), 908 909 SND_SOC_DAPM_MIXER("ADC2", SND_SOC_NOPM, 0, 0, NULL, 0), 910 SND_SOC_DAPM_MIXER("ADC3", SND_SOC_NOPM, 0, 0, NULL, 0), 911 912 SND_SOC_DAPM_MUX("ADC2 MUX", SND_SOC_NOPM, 0, 0, &tx_adc2_mux), 913 SND_SOC_DAPM_MUX("RDAC2 MUX", SND_SOC_NOPM, 0, 0, &rdac2_mux), 914 915 /* Analog path clocks */ 916 SND_SOC_DAPM_SUPPLY("EAR_HPHR_CLK", CDC_D_CDC_ANA_CLK_CTL, 0, 0, NULL, 917 0), 918 SND_SOC_DAPM_SUPPLY("EAR_HPHL_CLK", CDC_D_CDC_ANA_CLK_CTL, 1, 0, NULL, 919 0), 920 SND_SOC_DAPM_SUPPLY("SPKR_CLK", CDC_D_CDC_ANA_CLK_CTL, 4, 0, NULL, 0), 921 SND_SOC_DAPM_SUPPLY("TXA_CLK25", CDC_D_CDC_ANA_CLK_CTL, 5, 0, NULL, 0), 922 923 /* Digital path clocks */ 924 925 SND_SOC_DAPM_SUPPLY("RXD1_CLK", CDC_D_CDC_DIG_CLK_CTL, 0, 0, NULL, 0), 926 SND_SOC_DAPM_SUPPLY("RXD2_CLK", CDC_D_CDC_DIG_CLK_CTL, 1, 0, NULL, 0), 927 SND_SOC_DAPM_SUPPLY("RXD3_CLK", CDC_D_CDC_DIG_CLK_CTL, 2, 0, NULL, 0), 928 929 SND_SOC_DAPM_SUPPLY("TXD_CLK", CDC_D_CDC_DIG_CLK_CTL, 4, 0, NULL, 0), 930 SND_SOC_DAPM_SUPPLY("NCP_CLK", CDC_D_CDC_DIG_CLK_CTL, 6, 0, NULL, 0), 931 SND_SOC_DAPM_SUPPLY("RXD_PDM_CLK", CDC_D_CDC_DIG_CLK_CTL, 7, 0, NULL, 932 0), 933 934 /* System Clock source */ 935 SND_SOC_DAPM_SUPPLY("A_MCLK", CDC_D_CDC_TOP_CLK_CTL, 2, 0, NULL, 0), 936 /* TX ADC and RX DAC Clock source. */ 937 SND_SOC_DAPM_SUPPLY("A_MCLK2", CDC_D_CDC_TOP_CLK_CTL, 3, 0, NULL, 0), 938 }; 939 940 static int pm8916_wcd_analog_set_jack(struct snd_soc_component *component, 941 struct snd_soc_jack *jack, 942 void *data) 943 { 944 struct pm8916_wcd_analog_priv *wcd = snd_soc_component_get_drvdata(component); 945 946 wcd->jack = jack; 947 948 return 0; 949 } 950 951 static irqreturn_t mbhc_btn_release_irq_handler(int irq, void *arg) 952 { 953 struct pm8916_wcd_analog_priv *priv = arg; 954 955 if (priv->detect_accessory_type) { 956 struct snd_soc_component *component = priv->component; 957 u32 val = snd_soc_component_read32(component, CDC_A_MBHC_RESULT_1); 958 959 /* check if its BTN0 thats released */ 960 if ((val != -1) && !(val & CDC_A_MBHC_RESULT_1_BTN_RESULT_MASK)) 961 priv->mbhc_btn0_released = true; 962 963 } else { 964 snd_soc_jack_report(priv->jack, 0, btn_mask); 965 } 966 967 return IRQ_HANDLED; 968 } 969 970 static irqreturn_t mbhc_btn_press_irq_handler(int irq, void *arg) 971 { 972 struct pm8916_wcd_analog_priv *priv = arg; 973 struct snd_soc_component *component = priv->component; 974 u32 btn_result; 975 976 btn_result = snd_soc_component_read32(component, CDC_A_MBHC_RESULT_1) & 977 CDC_A_MBHC_RESULT_1_BTN_RESULT_MASK; 978 979 switch (btn_result) { 980 case 0xf: 981 snd_soc_jack_report(priv->jack, SND_JACK_BTN_4, btn_mask); 982 break; 983 case 0x7: 984 snd_soc_jack_report(priv->jack, SND_JACK_BTN_3, btn_mask); 985 break; 986 case 0x3: 987 snd_soc_jack_report(priv->jack, SND_JACK_BTN_2, btn_mask); 988 break; 989 case 0x1: 990 snd_soc_jack_report(priv->jack, SND_JACK_BTN_1, btn_mask); 991 break; 992 case 0x0: 993 /* handle BTN_0 specially for type detection */ 994 if (!priv->detect_accessory_type) 995 snd_soc_jack_report(priv->jack, 996 SND_JACK_BTN_0, btn_mask); 997 break; 998 default: 999 dev_err(component->dev, 1000 "Unexpected button press result (%x)", btn_result); 1001 break; 1002 } 1003 1004 return IRQ_HANDLED; 1005 } 1006 1007 static irqreturn_t pm8916_mbhc_switch_irq_handler(int irq, void *arg) 1008 { 1009 struct pm8916_wcd_analog_priv *priv = arg; 1010 struct snd_soc_component *component = priv->component; 1011 bool ins = false; 1012 1013 if (snd_soc_component_read32(component, CDC_A_MBHC_DET_CTL_1) & 1014 CDC_A_MBHC_DET_CTL_MECH_DET_TYPE_MASK) 1015 ins = true; 1016 1017 /* Set the detection type appropriately */ 1018 snd_soc_component_update_bits(component, CDC_A_MBHC_DET_CTL_1, 1019 CDC_A_MBHC_DET_CTL_MECH_DET_TYPE_MASK, 1020 (!ins << CDC_A_MBHC_DET_CTL_MECH_DET_TYPE_SHIFT)); 1021 1022 1023 if (ins) { /* hs insertion */ 1024 bool micbias_enabled = false; 1025 1026 if (snd_soc_component_read32(component, CDC_A_MICB_2_EN) & 1027 CDC_A_MICB_2_EN_ENABLE) 1028 micbias_enabled = true; 1029 1030 pm8916_mbhc_configure_bias(priv, micbias_enabled); 1031 1032 /* 1033 * if only a btn0 press event is receive just before 1034 * insert event then its a 3 pole headphone else if 1035 * both press and release event received then its 1036 * a headset. 1037 */ 1038 if (priv->mbhc_btn0_released) 1039 snd_soc_jack_report(priv->jack, 1040 SND_JACK_HEADSET, hs_jack_mask); 1041 else 1042 snd_soc_jack_report(priv->jack, 1043 SND_JACK_HEADPHONE, hs_jack_mask); 1044 1045 priv->detect_accessory_type = false; 1046 1047 } else { /* removal */ 1048 snd_soc_jack_report(priv->jack, 0, hs_jack_mask); 1049 priv->detect_accessory_type = true; 1050 priv->mbhc_btn0_released = false; 1051 } 1052 1053 return IRQ_HANDLED; 1054 } 1055 1056 static struct snd_soc_dai_driver pm8916_wcd_analog_dai[] = { 1057 [0] = { 1058 .name = "pm8916_wcd_analog_pdm_rx", 1059 .id = 0, 1060 .playback = { 1061 .stream_name = "PDM Playback", 1062 .rates = MSM8916_WCD_ANALOG_RATES, 1063 .formats = MSM8916_WCD_ANALOG_FORMATS, 1064 .channels_min = 1, 1065 .channels_max = 3, 1066 }, 1067 }, 1068 [1] = { 1069 .name = "pm8916_wcd_analog_pdm_tx", 1070 .id = 1, 1071 .capture = { 1072 .stream_name = "PDM Capture", 1073 .rates = MSM8916_WCD_ANALOG_RATES, 1074 .formats = MSM8916_WCD_ANALOG_FORMATS, 1075 .channels_min = 1, 1076 .channels_max = 4, 1077 }, 1078 }, 1079 }; 1080 1081 static const struct snd_soc_component_driver pm8916_wcd_analog = { 1082 .probe = pm8916_wcd_analog_probe, 1083 .remove = pm8916_wcd_analog_remove, 1084 .set_jack = pm8916_wcd_analog_set_jack, 1085 .controls = pm8916_wcd_analog_snd_controls, 1086 .num_controls = ARRAY_SIZE(pm8916_wcd_analog_snd_controls), 1087 .dapm_widgets = pm8916_wcd_analog_dapm_widgets, 1088 .num_dapm_widgets = ARRAY_SIZE(pm8916_wcd_analog_dapm_widgets), 1089 .dapm_routes = pm8916_wcd_analog_audio_map, 1090 .num_dapm_routes = ARRAY_SIZE(pm8916_wcd_analog_audio_map), 1091 .idle_bias_on = 1, 1092 .use_pmdown_time = 1, 1093 .endianness = 1, 1094 .non_legacy_dai_naming = 1, 1095 }; 1096 1097 static int pm8916_wcd_analog_parse_dt(struct device *dev, 1098 struct pm8916_wcd_analog_priv *priv) 1099 { 1100 int rval; 1101 1102 if (of_property_read_bool(dev->of_node, "qcom,micbias1-ext-cap")) 1103 priv->micbias1_cap_mode = MICB_1_EN_EXT_BYP_CAP; 1104 else 1105 priv->micbias1_cap_mode = MICB_1_EN_NO_EXT_BYP_CAP; 1106 1107 if (of_property_read_bool(dev->of_node, "qcom,micbias2-ext-cap")) 1108 priv->micbias2_cap_mode = MICB_1_EN_EXT_BYP_CAP; 1109 else 1110 priv->micbias2_cap_mode = MICB_1_EN_NO_EXT_BYP_CAP; 1111 1112 of_property_read_u32(dev->of_node, "qcom,micbias-lvl", 1113 &priv->micbias_mv); 1114 1115 if (of_property_read_bool(dev->of_node, 1116 "qcom,hphl-jack-type-normally-open")) 1117 priv->hphl_jack_type_normally_open = true; 1118 else 1119 priv->hphl_jack_type_normally_open = false; 1120 1121 if (of_property_read_bool(dev->of_node, 1122 "qcom,gnd-jack-type-normally-open")) 1123 priv->gnd_jack_type_normally_open = true; 1124 else 1125 priv->gnd_jack_type_normally_open = false; 1126 1127 priv->mbhc_btn_enabled = true; 1128 rval = of_property_read_u32_array(dev->of_node, 1129 "qcom,mbhc-vthreshold-low", 1130 &priv->vref_btn_cs[0], 1131 MBHC_MAX_BUTTONS); 1132 if (rval < 0) { 1133 priv->mbhc_btn_enabled = false; 1134 } else { 1135 rval = of_property_read_u32_array(dev->of_node, 1136 "qcom,mbhc-vthreshold-high", 1137 &priv->vref_btn_micb[0], 1138 MBHC_MAX_BUTTONS); 1139 if (rval < 0) 1140 priv->mbhc_btn_enabled = false; 1141 } 1142 1143 if (!priv->mbhc_btn_enabled) 1144 dev_err(dev, 1145 "DT property missing, MBHC btn detection disabled\n"); 1146 1147 1148 return 0; 1149 } 1150 1151 static int pm8916_wcd_analog_spmi_probe(struct platform_device *pdev) 1152 { 1153 struct pm8916_wcd_analog_priv *priv; 1154 struct device *dev = &pdev->dev; 1155 int ret, i, irq; 1156 1157 priv = devm_kzalloc(dev, sizeof(*priv), GFP_KERNEL); 1158 if (!priv) 1159 return -ENOMEM; 1160 1161 ret = pm8916_wcd_analog_parse_dt(dev, priv); 1162 if (ret < 0) 1163 return ret; 1164 1165 priv->mclk = devm_clk_get(dev, "mclk"); 1166 if (IS_ERR(priv->mclk)) { 1167 dev_err(dev, "failed to get mclk\n"); 1168 return PTR_ERR(priv->mclk); 1169 } 1170 1171 for (i = 0; i < ARRAY_SIZE(supply_names); i++) 1172 priv->supplies[i].supply = supply_names[i]; 1173 1174 ret = devm_regulator_bulk_get(dev, ARRAY_SIZE(priv->supplies), 1175 priv->supplies); 1176 if (ret) { 1177 dev_err(dev, "Failed to get regulator supplies %d\n", ret); 1178 return ret; 1179 } 1180 1181 ret = clk_prepare_enable(priv->mclk); 1182 if (ret < 0) { 1183 dev_err(dev, "failed to enable mclk %d\n", ret); 1184 return ret; 1185 } 1186 1187 irq = platform_get_irq_byname(pdev, "mbhc_switch_int"); 1188 if (irq < 0) 1189 return irq; 1190 1191 ret = devm_request_threaded_irq(dev, irq, NULL, 1192 pm8916_mbhc_switch_irq_handler, 1193 IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING | 1194 IRQF_ONESHOT, 1195 "mbhc switch irq", priv); 1196 if (ret) 1197 dev_err(dev, "cannot request mbhc switch irq\n"); 1198 1199 if (priv->mbhc_btn_enabled) { 1200 irq = platform_get_irq_byname(pdev, "mbhc_but_press_det"); 1201 if (irq < 0) 1202 return irq; 1203 1204 ret = devm_request_threaded_irq(dev, irq, NULL, 1205 mbhc_btn_press_irq_handler, 1206 IRQF_TRIGGER_RISING | 1207 IRQF_TRIGGER_FALLING | IRQF_ONESHOT, 1208 "mbhc btn press irq", priv); 1209 if (ret) 1210 dev_err(dev, "cannot request mbhc button press irq\n"); 1211 1212 irq = platform_get_irq_byname(pdev, "mbhc_but_rel_det"); 1213 if (irq < 0) 1214 return irq; 1215 1216 ret = devm_request_threaded_irq(dev, irq, NULL, 1217 mbhc_btn_release_irq_handler, 1218 IRQF_TRIGGER_RISING | 1219 IRQF_TRIGGER_FALLING | IRQF_ONESHOT, 1220 "mbhc btn release irq", priv); 1221 if (ret) 1222 dev_err(dev, "cannot request mbhc button release irq\n"); 1223 1224 } 1225 1226 dev_set_drvdata(dev, priv); 1227 1228 return devm_snd_soc_register_component(dev, &pm8916_wcd_analog, 1229 pm8916_wcd_analog_dai, 1230 ARRAY_SIZE(pm8916_wcd_analog_dai)); 1231 } 1232 1233 static int pm8916_wcd_analog_spmi_remove(struct platform_device *pdev) 1234 { 1235 struct pm8916_wcd_analog_priv *priv = dev_get_drvdata(&pdev->dev); 1236 1237 clk_disable_unprepare(priv->mclk); 1238 1239 return 0; 1240 } 1241 1242 static const struct of_device_id pm8916_wcd_analog_spmi_match_table[] = { 1243 { .compatible = "qcom,pm8916-wcd-analog-codec", }, 1244 { } 1245 }; 1246 1247 MODULE_DEVICE_TABLE(of, pm8916_wcd_analog_spmi_match_table); 1248 1249 static struct platform_driver pm8916_wcd_analog_spmi_driver = { 1250 .driver = { 1251 .name = "qcom,pm8916-wcd-spmi-codec", 1252 .of_match_table = pm8916_wcd_analog_spmi_match_table, 1253 }, 1254 .probe = pm8916_wcd_analog_spmi_probe, 1255 .remove = pm8916_wcd_analog_spmi_remove, 1256 }; 1257 1258 module_platform_driver(pm8916_wcd_analog_spmi_driver); 1259 1260 MODULE_AUTHOR("Srinivas Kandagatla <srinivas.kandagatla@linaro.org>"); 1261 MODULE_DESCRIPTION("PMIC PM8916 WCD Analog Codec driver"); 1262 MODULE_LICENSE("GPL v2"); 1263