linux/sound/soc/codecs/cpcap.c
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   1// SPDX-License-Identifier: GPL-2.0
   2/*
   3 * ALSA SoC CPCAP codec driver
   4 *
   5 * Copyright (C) 2017 - 2018 Sebastian Reichel <sre@kernel.org>
   6 *
   7 * Very loosely based on original driver from Motorola:
   8 * Copyright (C) 2007 - 2009 Motorola, Inc.
   9 */
  10
  11#include <linux/module.h>
  12#include <linux/regmap.h>
  13#include <linux/platform_device.h>
  14#include <linux/mfd/motorola-cpcap.h>
  15#include <sound/core.h>
  16#include <sound/soc.h>
  17#include <sound/tlv.h>
  18
  19/* Register 512 CPCAP_REG_VAUDIOC --- Audio Regulator and Bias Voltage */
  20#define CPCAP_BIT_AUDIO_LOW_PWR           6
  21#define CPCAP_BIT_AUD_LOWPWR_SPEED        5
  22#define CPCAP_BIT_VAUDIOPRISTBY           4
  23#define CPCAP_BIT_VAUDIO_MODE1            2
  24#define CPCAP_BIT_VAUDIO_MODE0            1
  25#define CPCAP_BIT_V_AUDIO_EN              0
  26
  27/* Register 513 CPCAP_REG_CC     --- CODEC */
  28#define CPCAP_BIT_CDC_CLK2                15
  29#define CPCAP_BIT_CDC_CLK1                14
  30#define CPCAP_BIT_CDC_CLK0                13
  31#define CPCAP_BIT_CDC_SR3                 12
  32#define CPCAP_BIT_CDC_SR2                 11
  33#define CPCAP_BIT_CDC_SR1                 10
  34#define CPCAP_BIT_CDC_SR0                 9
  35#define CPCAP_BIT_CDC_CLOCK_TREE_RESET    8
  36#define CPCAP_BIT_MIC2_CDC_EN             7
  37#define CPCAP_BIT_CDC_EN_RX               6
  38#define CPCAP_BIT_DF_RESET                5
  39#define CPCAP_BIT_MIC1_CDC_EN             4
  40#define CPCAP_BIT_AUDOHPF_1               3
  41#define CPCAP_BIT_AUDOHPF_0               2
  42#define CPCAP_BIT_AUDIHPF_1               1
  43#define CPCAP_BIT_AUDIHPF_0               0
  44
  45/* Register 514 CPCAP_REG_CDI    --- CODEC Digital Audio Interface */
  46#define CPCAP_BIT_CDC_PLL_SEL             15
  47#define CPCAP_BIT_CLK_IN_SEL              13
  48#define CPCAP_BIT_DIG_AUD_IN              12
  49#define CPCAP_BIT_CDC_CLK_EN              11
  50#define CPCAP_BIT_CDC_DIG_AUD_FS1         10
  51#define CPCAP_BIT_CDC_DIG_AUD_FS0         9
  52#define CPCAP_BIT_MIC2_TIMESLOT2          8
  53#define CPCAP_BIT_MIC2_TIMESLOT1          7
  54#define CPCAP_BIT_MIC2_TIMESLOT0          6
  55#define CPCAP_BIT_MIC1_RX_TIMESLOT2       5
  56#define CPCAP_BIT_MIC1_RX_TIMESLOT1       4
  57#define CPCAP_BIT_MIC1_RX_TIMESLOT0       3
  58#define CPCAP_BIT_FS_INV                  2
  59#define CPCAP_BIT_CLK_INV                 1
  60#define CPCAP_BIT_SMB_CDC                 0
  61
  62/* Register 515 CPCAP_REG_SDAC   --- Stereo DAC */
  63#define CPCAP_BIT_FSYNC_CLK_IN_COMMON     11
  64#define CPCAP_BIT_SLAVE_PLL_CLK_INPUT     10
  65#define CPCAP_BIT_ST_CLOCK_TREE_RESET     9
  66#define CPCAP_BIT_DF_RESET_ST_DAC         8
  67#define CPCAP_BIT_ST_SR3                  7
  68#define CPCAP_BIT_ST_SR2                  6
  69#define CPCAP_BIT_ST_SR1                  5
  70#define CPCAP_BIT_ST_SR0                  4
  71#define CPCAP_BIT_ST_DAC_CLK2             3
  72#define CPCAP_BIT_ST_DAC_CLK1             2
  73#define CPCAP_BIT_ST_DAC_CLK0             1
  74#define CPCAP_BIT_ST_DAC_EN               0
  75
  76/* Register 516 CPCAP_REG_SDACDI --- Stereo DAC Digital Audio Interface */
  77#define CPCAP_BIT_ST_L_TIMESLOT2          13
  78#define CPCAP_BIT_ST_L_TIMESLOT1          12
  79#define CPCAP_BIT_ST_L_TIMESLOT0          11
  80#define CPCAP_BIT_ST_R_TIMESLOT2          10
  81#define CPCAP_BIT_ST_R_TIMESLOT1          9
  82#define CPCAP_BIT_ST_R_TIMESLOT0          8
  83#define CPCAP_BIT_ST_DAC_CLK_IN_SEL       7
  84#define CPCAP_BIT_ST_FS_INV               6
  85#define CPCAP_BIT_ST_CLK_INV              5
  86#define CPCAP_BIT_ST_DIG_AUD_FS1          4
  87#define CPCAP_BIT_ST_DIG_AUD_FS0          3
  88#define CPCAP_BIT_DIG_AUD_IN_ST_DAC       2
  89#define CPCAP_BIT_ST_CLK_EN               1
  90#define CPCAP_BIT_SMB_ST_DAC              0
  91
  92/* Register 517 CPCAP_REG_TXI    --- TX Interface */
  93#define CPCAP_BIT_PTT_TH                15
  94#define CPCAP_BIT_PTT_CMP_EN            14
  95#define CPCAP_BIT_HS_ID_TX              13
  96#define CPCAP_BIT_MB_ON2                12
  97#define CPCAP_BIT_MB_ON1L               11
  98#define CPCAP_BIT_MB_ON1R               10
  99#define CPCAP_BIT_RX_L_ENCODE           9
 100#define CPCAP_BIT_RX_R_ENCODE           8
 101#define CPCAP_BIT_MIC2_MUX              7
 102#define CPCAP_BIT_MIC2_PGA_EN           6
 103#define CPCAP_BIT_CDET_DIS              5
 104#define CPCAP_BIT_EMU_MIC_MUX           4
 105#define CPCAP_BIT_HS_MIC_MUX            3
 106#define CPCAP_BIT_MIC1_MUX              2
 107#define CPCAP_BIT_MIC1_PGA_EN           1
 108#define CPCAP_BIT_DLM                   0
 109
 110/* Register 518 CPCAP_REG_TXMP   --- Mic Gain */
 111#define CPCAP_BIT_MB_BIAS_R1              11
 112#define CPCAP_BIT_MB_BIAS_R0              10
 113#define CPCAP_BIT_MIC2_GAIN_4             9
 114#define CPCAP_BIT_MIC2_GAIN_3             8
 115#define CPCAP_BIT_MIC2_GAIN_2             7
 116#define CPCAP_BIT_MIC2_GAIN_1             6
 117#define CPCAP_BIT_MIC2_GAIN_0             5
 118#define CPCAP_BIT_MIC1_GAIN_4             4
 119#define CPCAP_BIT_MIC1_GAIN_3             3
 120#define CPCAP_BIT_MIC1_GAIN_2             2
 121#define CPCAP_BIT_MIC1_GAIN_1             1
 122#define CPCAP_BIT_MIC1_GAIN_0             0
 123
 124/* Register 519 CPCAP_REG_RXOA   --- RX Output Amplifier */
 125#define CPCAP_BIT_UNUSED_519_15         15
 126#define CPCAP_BIT_UNUSED_519_14         14
 127#define CPCAP_BIT_UNUSED_519_13         13
 128#define CPCAP_BIT_STDAC_LOW_PWR_DISABLE 12
 129#define CPCAP_BIT_HS_LOW_PWR            11
 130#define CPCAP_BIT_HS_ID_RX              10
 131#define CPCAP_BIT_ST_HS_CP_EN           9
 132#define CPCAP_BIT_EMU_SPKR_R_EN         8
 133#define CPCAP_BIT_EMU_SPKR_L_EN         7
 134#define CPCAP_BIT_HS_L_EN               6
 135#define CPCAP_BIT_HS_R_EN               5
 136#define CPCAP_BIT_A4_LINEOUT_L_EN       4
 137#define CPCAP_BIT_A4_LINEOUT_R_EN       3
 138#define CPCAP_BIT_A2_LDSP_L_EN          2
 139#define CPCAP_BIT_A2_LDSP_R_EN          1
 140#define CPCAP_BIT_A1_EAR_EN             0
 141
 142/* Register 520 CPCAP_REG_RXVC   --- RX Volume Control */
 143#define CPCAP_BIT_VOL_EXT3                15
 144#define CPCAP_BIT_VOL_EXT2                14
 145#define CPCAP_BIT_VOL_EXT1                13
 146#define CPCAP_BIT_VOL_EXT0                12
 147#define CPCAP_BIT_VOL_DAC3                11
 148#define CPCAP_BIT_VOL_DAC2                10
 149#define CPCAP_BIT_VOL_DAC1                9
 150#define CPCAP_BIT_VOL_DAC0                8
 151#define CPCAP_BIT_VOL_DAC_LSB_1dB1        7
 152#define CPCAP_BIT_VOL_DAC_LSB_1dB0        6
 153#define CPCAP_BIT_VOL_CDC3                5
 154#define CPCAP_BIT_VOL_CDC2                4
 155#define CPCAP_BIT_VOL_CDC1                3
 156#define CPCAP_BIT_VOL_CDC0                2
 157#define CPCAP_BIT_VOL_CDC_LSB_1dB1        1
 158#define CPCAP_BIT_VOL_CDC_LSB_1dB0        0
 159
 160/* Register 521 CPCAP_REG_RXCOA  --- Codec to Output Amp Switches */
 161#define CPCAP_BIT_PGA_CDC_EN              10
 162#define CPCAP_BIT_CDC_SW                  9
 163#define CPCAP_BIT_PGA_OUTR_USBDP_CDC_SW   8
 164#define CPCAP_BIT_PGA_OUTL_USBDN_CDC_SW   7
 165#define CPCAP_BIT_ALEFT_HS_CDC_SW         6
 166#define CPCAP_BIT_ARIGHT_HS_CDC_SW        5
 167#define CPCAP_BIT_A4_LINEOUT_L_CDC_SW     4
 168#define CPCAP_BIT_A4_LINEOUT_R_CDC_SW     3
 169#define CPCAP_BIT_A2_LDSP_L_CDC_SW        2
 170#define CPCAP_BIT_A2_LDSP_R_CDC_SW        1
 171#define CPCAP_BIT_A1_EAR_CDC_SW           0
 172
 173/* Register 522 CPCAP_REG_RXSDOA --- RX Stereo DAC to Output Amp Switches */
 174#define CPCAP_BIT_PGA_DAC_EN              12
 175#define CPCAP_BIT_ST_DAC_SW               11
 176#define CPCAP_BIT_MONO_DAC1               10
 177#define CPCAP_BIT_MONO_DAC0               9
 178#define CPCAP_BIT_PGA_OUTR_USBDP_DAC_SW   8
 179#define CPCAP_BIT_PGA_OUTL_USBDN_DAC_SW   7
 180#define CPCAP_BIT_ALEFT_HS_DAC_SW         6
 181#define CPCAP_BIT_ARIGHT_HS_DAC_SW        5
 182#define CPCAP_BIT_A4_LINEOUT_L_DAC_SW     4
 183#define CPCAP_BIT_A4_LINEOUT_R_DAC_SW     3
 184#define CPCAP_BIT_A2_LDSP_L_DAC_SW        2
 185#define CPCAP_BIT_A2_LDSP_R_DAC_SW        1
 186#define CPCAP_BIT_A1_EAR_DAC_SW           0
 187
 188/* Register 523 CPCAP_REG_RXEPOA --- RX External PGA to Output Amp Switches */
 189#define CPCAP_BIT_PGA_EXT_L_EN            14
 190#define CPCAP_BIT_PGA_EXT_R_EN            13
 191#define CPCAP_BIT_PGA_IN_L_SW             12
 192#define CPCAP_BIT_PGA_IN_R_SW             11
 193#define CPCAP_BIT_MONO_EXT1               10
 194#define CPCAP_BIT_MONO_EXT0               9
 195#define CPCAP_BIT_PGA_OUTR_USBDP_EXT_SW   8
 196#define CPCAP_BIT_PGA_OUTL_USBDN_EXT_SW   7
 197#define CPCAP_BIT_ALEFT_HS_EXT_SW         6
 198#define CPCAP_BIT_ARIGHT_HS_EXT_SW        5
 199#define CPCAP_BIT_A4_LINEOUT_L_EXT_SW     4
 200#define CPCAP_BIT_A4_LINEOUT_R_EXT_SW     3
 201#define CPCAP_BIT_A2_LDSP_L_EXT_SW        2
 202#define CPCAP_BIT_A2_LDSP_R_EXT_SW        1
 203#define CPCAP_BIT_A1_EAR_EXT_SW           0
 204
 205/* Register 525 CPCAP_REG_A2LA --- SPK Amplifier and Clock Config for Headset */
 206#define CPCAP_BIT_NCP_CLK_SYNC            7
 207#define CPCAP_BIT_A2_CLK_SYNC             6
 208#define CPCAP_BIT_A2_FREE_RUN             5
 209#define CPCAP_BIT_A2_CLK2                 4
 210#define CPCAP_BIT_A2_CLK1                 3
 211#define CPCAP_BIT_A2_CLK0                 2
 212#define CPCAP_BIT_A2_CLK_IN               1
 213#define CPCAP_BIT_A2_CONFIG               0
 214
 215#define SLEEP_ACTIVATE_POWER 2
 216#define CLOCK_TREE_RESET_TIME 1
 217
 218/* constants for ST delay workaround */
 219#define STM_STDAC_ACTIVATE_RAMP_TIME   1
 220#define STM_STDAC_EN_TEST_PRE          0x090C
 221#define STM_STDAC_EN_TEST_POST         0x0000
 222#define STM_STDAC_EN_ST_TEST1_PRE      0x2400
 223#define STM_STDAC_EN_ST_TEST1_POST     0x0400
 224
 225struct cpcap_reg_info {
 226        u16 reg;
 227        u16 mask;
 228        u16 val;
 229};
 230
 231static const struct cpcap_reg_info cpcap_default_regs[] = {
 232        { CPCAP_REG_VAUDIOC, 0x003F, 0x0000 },
 233        { CPCAP_REG_CC, 0xFFFF, 0x0000 },
 234        { CPCAP_REG_CC, 0xFFFF, 0x0000 },
 235        { CPCAP_REG_CDI, 0xBFFF, 0x0000 },
 236        { CPCAP_REG_SDAC, 0x0FFF, 0x0000 },
 237        { CPCAP_REG_SDACDI, 0x3FFF, 0x0000 },
 238        { CPCAP_REG_TXI, 0x0FDF, 0x0000 },
 239        { CPCAP_REG_TXMP, 0x0FFF, 0x0400 },
 240        { CPCAP_REG_RXOA, 0x01FF, 0x0000 },
 241        { CPCAP_REG_RXVC, 0xFF3C, 0x0000 },
 242        { CPCAP_REG_RXCOA, 0x07FF, 0x0000 },
 243        { CPCAP_REG_RXSDOA, 0x1FFF, 0x0000 },
 244        { CPCAP_REG_RXEPOA, 0x7FFF, 0x0000 },
 245        { CPCAP_REG_A2LA, BIT(CPCAP_BIT_A2_FREE_RUN),
 246          BIT(CPCAP_BIT_A2_FREE_RUN) },
 247};
 248
 249enum cpcap_dai {
 250        CPCAP_DAI_HIFI,
 251        CPCAP_DAI_VOICE,
 252};
 253
 254struct cpcap_audio {
 255        struct snd_soc_component *component;
 256        struct regmap *regmap;
 257
 258        u16 vendor;
 259
 260        int codec_clk_id;
 261        int codec_freq;
 262        int codec_format;
 263};
 264
 265static int cpcap_st_workaround(struct snd_soc_dapm_widget *w,
 266                               struct snd_kcontrol *kcontrol, int event)
 267{
 268        struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm);
 269        struct cpcap_audio *cpcap = snd_soc_component_get_drvdata(component);
 270        int err = 0;
 271
 272        /* Only CPCAP from ST requires workaround */
 273        if (cpcap->vendor != CPCAP_VENDOR_ST)
 274                return 0;
 275
 276        switch (event) {
 277        case SND_SOC_DAPM_PRE_PMU:
 278                err = regmap_write(cpcap->regmap, CPCAP_REG_TEST,
 279                                   STM_STDAC_EN_TEST_PRE);
 280                if (err)
 281                        return err;
 282                err = regmap_write(cpcap->regmap, CPCAP_REG_ST_TEST1,
 283                                   STM_STDAC_EN_ST_TEST1_PRE);
 284                break;
 285        case SND_SOC_DAPM_POST_PMU:
 286                msleep(STM_STDAC_ACTIVATE_RAMP_TIME);
 287
 288                err = regmap_write(cpcap->regmap, CPCAP_REG_ST_TEST1,
 289                                   STM_STDAC_EN_ST_TEST1_POST);
 290                if (err)
 291                        return err;
 292                err = regmap_write(cpcap->regmap, CPCAP_REG_TEST,
 293                                   STM_STDAC_EN_TEST_POST);
 294                break;
 295        default:
 296                break;
 297        }
 298
 299        return err;
 300}
 301
 302/* Capture Gain Control: 0dB to 31dB in 1dB steps */
 303static const DECLARE_TLV_DB_SCALE(mic_gain_tlv, 0, 100, 0);
 304
 305/* Playback Gain Control: -33dB to 12dB in 3dB steps */
 306static const DECLARE_TLV_DB_SCALE(vol_tlv, -3300, 300, 0);
 307
 308static const struct snd_kcontrol_new cpcap_snd_controls[] = {
 309        /* Playback Gain */
 310        SOC_SINGLE_TLV("HiFi Playback Volume",
 311                CPCAP_REG_RXVC, CPCAP_BIT_VOL_DAC0, 0xF, 0, vol_tlv),
 312        SOC_SINGLE_TLV("Voice Playback Volume",
 313                CPCAP_REG_RXVC, CPCAP_BIT_VOL_CDC0, 0xF, 0, vol_tlv),
 314        SOC_SINGLE_TLV("Ext Playback Volume",
 315                CPCAP_REG_RXVC, CPCAP_BIT_VOL_EXT0, 0xF, 0, vol_tlv),
 316
 317        /* Capture Gain */
 318        SOC_SINGLE_TLV("Mic1 Capture Volume",
 319                CPCAP_REG_TXMP, CPCAP_BIT_MIC1_GAIN_0, 0x1F, 0, mic_gain_tlv),
 320        SOC_SINGLE_TLV("Mic2 Capture Volume",
 321                CPCAP_REG_TXMP, CPCAP_BIT_MIC2_GAIN_0, 0x1F, 0, mic_gain_tlv),
 322
 323        /* Phase Invert */
 324        SOC_SINGLE("Hifi Left Phase Invert Switch",
 325                CPCAP_REG_RXSDOA, CPCAP_BIT_MONO_DAC0, 1, 0),
 326        SOC_SINGLE("Ext Left Phase Invert Switch",
 327                CPCAP_REG_RXEPOA, CPCAP_BIT_MONO_EXT0, 1, 0),
 328};
 329
 330static const char * const cpcap_out_mux_texts[] = {
 331        "Off", "Voice", "HiFi", "Ext"
 332};
 333
 334static const char * const cpcap_in_right_mux_texts[] = {
 335        "Off", "Mic 1", "Headset Mic", "EMU Mic", "Ext Right"
 336};
 337
 338static const char * const cpcap_in_left_mux_texts[] = {
 339        "Off", "Mic 2", "Ext Left"
 340};
 341
 342/*
 343 * input muxes use unusual register layout, so that we need to use custom
 344 * getter/setter methods
 345 */
 346static SOC_ENUM_SINGLE_EXT_DECL(cpcap_input_left_mux_enum,
 347                                cpcap_in_left_mux_texts);
 348static SOC_ENUM_SINGLE_EXT_DECL(cpcap_input_right_mux_enum,
 349                                cpcap_in_right_mux_texts);
 350
 351/*
 352 * mux uses same bit in CPCAP_REG_RXCOA, CPCAP_REG_RXSDOA & CPCAP_REG_RXEPOA;
 353 * even though the register layout makes it look like a mixer, this is a mux.
 354 * Enabling multiple inputs will result in no audio being forwarded.
 355 */
 356static SOC_ENUM_SINGLE_DECL(cpcap_earpiece_mux_enum, 0, 0, cpcap_out_mux_texts);
 357static SOC_ENUM_SINGLE_DECL(cpcap_spkr_r_mux_enum, 0, 1, cpcap_out_mux_texts);
 358static SOC_ENUM_SINGLE_DECL(cpcap_spkr_l_mux_enum, 0, 2, cpcap_out_mux_texts);
 359static SOC_ENUM_SINGLE_DECL(cpcap_line_r_mux_enum, 0, 3, cpcap_out_mux_texts);
 360static SOC_ENUM_SINGLE_DECL(cpcap_line_l_mux_enum, 0, 4, cpcap_out_mux_texts);
 361static SOC_ENUM_SINGLE_DECL(cpcap_hs_r_mux_enum, 0, 5, cpcap_out_mux_texts);
 362static SOC_ENUM_SINGLE_DECL(cpcap_hs_l_mux_enum, 0, 6, cpcap_out_mux_texts);
 363static SOC_ENUM_SINGLE_DECL(cpcap_emu_l_mux_enum, 0, 7, cpcap_out_mux_texts);
 364static SOC_ENUM_SINGLE_DECL(cpcap_emu_r_mux_enum, 0, 8, cpcap_out_mux_texts);
 365
 366static int cpcap_output_mux_get_enum(struct snd_kcontrol *kcontrol,
 367                                     struct snd_ctl_elem_value *ucontrol)
 368{
 369        struct snd_soc_component *component = snd_soc_dapm_kcontrol_component(kcontrol);
 370        struct cpcap_audio *cpcap = snd_soc_component_get_drvdata(component);
 371        struct soc_enum *e = (struct soc_enum *)kcontrol->private_value;
 372        unsigned int shift = e->shift_l;
 373        int reg_voice, reg_hifi, reg_ext, status;
 374        int err;
 375
 376        err = regmap_read(cpcap->regmap, CPCAP_REG_RXCOA, &reg_voice);
 377        if (err)
 378                return err;
 379        err = regmap_read(cpcap->regmap, CPCAP_REG_RXSDOA, &reg_hifi);
 380        if (err)
 381                return err;
 382        err = regmap_read(cpcap->regmap, CPCAP_REG_RXEPOA, &reg_ext);
 383        if (err)
 384                return err;
 385
 386        reg_voice = (reg_voice >> shift) & 1;
 387        reg_hifi = (reg_hifi >> shift) & 1;
 388        reg_ext = (reg_ext >> shift) & 1;
 389        status = reg_ext << 2 | reg_hifi << 1 | reg_voice;
 390
 391        switch (status) {
 392        case 0x04:
 393                ucontrol->value.enumerated.item[0] = 3;
 394                break;
 395        case 0x02:
 396                ucontrol->value.enumerated.item[0] = 2;
 397                break;
 398        case 0x01:
 399                ucontrol->value.enumerated.item[0] = 1;
 400                break;
 401        default:
 402                ucontrol->value.enumerated.item[0] = 0;
 403                break;
 404        }
 405
 406        return 0;
 407}
 408
 409static int cpcap_output_mux_put_enum(struct snd_kcontrol *kcontrol,
 410                                     struct snd_ctl_elem_value *ucontrol)
 411{
 412        struct snd_soc_component *component = snd_soc_dapm_kcontrol_component(kcontrol);
 413        struct cpcap_audio *cpcap = snd_soc_component_get_drvdata(component);
 414        struct snd_soc_dapm_context *dapm =
 415                snd_soc_dapm_kcontrol_dapm(kcontrol);
 416        struct soc_enum *e = (struct soc_enum *)kcontrol->private_value;
 417        unsigned int muxval = ucontrol->value.enumerated.item[0];
 418        unsigned int mask = BIT(e->shift_l);
 419        u16 reg_voice = 0x00, reg_hifi = 0x00, reg_ext = 0x00;
 420        int err;
 421
 422        switch (muxval) {
 423        case 1:
 424                reg_voice = mask;
 425                break;
 426        case 2:
 427                reg_hifi = mask;
 428                break;
 429        case 3:
 430                reg_ext = mask;
 431                break;
 432        default:
 433                break;
 434        }
 435
 436        err = regmap_update_bits(cpcap->regmap, CPCAP_REG_RXCOA,
 437                                 mask, reg_voice);
 438        if (err)
 439                return err;
 440        err = regmap_update_bits(cpcap->regmap, CPCAP_REG_RXSDOA,
 441                                 mask, reg_hifi);
 442        if (err)
 443                return err;
 444        err = regmap_update_bits(cpcap->regmap, CPCAP_REG_RXEPOA,
 445                                 mask, reg_ext);
 446        if (err)
 447                return err;
 448
 449        snd_soc_dapm_mux_update_power(dapm, kcontrol, muxval, e, NULL);
 450
 451        return 0;
 452}
 453
 454static int cpcap_input_right_mux_get_enum(struct snd_kcontrol *kcontrol,
 455                                          struct snd_ctl_elem_value *ucontrol)
 456{
 457        struct snd_soc_component *component = snd_soc_dapm_kcontrol_component(kcontrol);
 458        struct cpcap_audio *cpcap = snd_soc_component_get_drvdata(component);
 459        int regval, mask;
 460        int err;
 461
 462        err = regmap_read(cpcap->regmap, CPCAP_REG_TXI, &regval);
 463        if (err)
 464                return err;
 465
 466        mask = 0;
 467        mask |= BIT(CPCAP_BIT_MIC1_MUX);
 468        mask |= BIT(CPCAP_BIT_HS_MIC_MUX);
 469        mask |= BIT(CPCAP_BIT_EMU_MIC_MUX);
 470        mask |= BIT(CPCAP_BIT_RX_R_ENCODE);
 471
 472        switch (regval & mask) {
 473        case BIT(CPCAP_BIT_RX_R_ENCODE):
 474                ucontrol->value.enumerated.item[0] = 4;
 475                break;
 476        case BIT(CPCAP_BIT_EMU_MIC_MUX):
 477                ucontrol->value.enumerated.item[0] = 3;
 478                break;
 479        case BIT(CPCAP_BIT_HS_MIC_MUX):
 480                ucontrol->value.enumerated.item[0] = 2;
 481                break;
 482        case BIT(CPCAP_BIT_MIC1_MUX):
 483                ucontrol->value.enumerated.item[0] = 1;
 484                break;
 485        default:
 486                ucontrol->value.enumerated.item[0] = 0;
 487                break;
 488        }
 489
 490        return 0;
 491}
 492
 493static int cpcap_input_right_mux_put_enum(struct snd_kcontrol *kcontrol,
 494                                          struct snd_ctl_elem_value *ucontrol)
 495{
 496        struct snd_soc_component *component = snd_soc_dapm_kcontrol_component(kcontrol);
 497        struct cpcap_audio *cpcap = snd_soc_component_get_drvdata(component);
 498        struct snd_soc_dapm_context *dapm =
 499                snd_soc_dapm_kcontrol_dapm(kcontrol);
 500        struct soc_enum *e = (struct soc_enum *)kcontrol->private_value;
 501        unsigned int muxval = ucontrol->value.enumerated.item[0];
 502        int regval = 0, mask;
 503        int err;
 504
 505        mask = 0;
 506        mask |= BIT(CPCAP_BIT_MIC1_MUX);
 507        mask |= BIT(CPCAP_BIT_HS_MIC_MUX);
 508        mask |= BIT(CPCAP_BIT_EMU_MIC_MUX);
 509        mask |= BIT(CPCAP_BIT_RX_R_ENCODE);
 510
 511        switch (muxval) {
 512        case 1:
 513                regval = BIT(CPCAP_BIT_MIC1_MUX);
 514                break;
 515        case 2:
 516                regval = BIT(CPCAP_BIT_HS_MIC_MUX);
 517                break;
 518        case 3:
 519                regval = BIT(CPCAP_BIT_EMU_MIC_MUX);
 520                break;
 521        case 4:
 522                regval = BIT(CPCAP_BIT_RX_R_ENCODE);
 523                break;
 524        default:
 525                break;
 526        }
 527
 528        err = regmap_update_bits(cpcap->regmap, CPCAP_REG_TXI,
 529                                 mask, regval);
 530        if (err)
 531                return err;
 532
 533        snd_soc_dapm_mux_update_power(dapm, kcontrol, muxval, e, NULL);
 534
 535        return 0;
 536}
 537
 538static int cpcap_input_left_mux_get_enum(struct snd_kcontrol *kcontrol,
 539                                         struct snd_ctl_elem_value *ucontrol)
 540{
 541        struct snd_soc_component *component = snd_soc_dapm_kcontrol_component(kcontrol);
 542        struct cpcap_audio *cpcap = snd_soc_component_get_drvdata(component);
 543        int regval, mask;
 544        int err;
 545
 546        err = regmap_read(cpcap->regmap, CPCAP_REG_TXI, &regval);
 547        if (err)
 548                return err;
 549
 550        mask = 0;
 551        mask |= BIT(CPCAP_BIT_MIC2_MUX);
 552        mask |= BIT(CPCAP_BIT_RX_L_ENCODE);
 553
 554        switch (regval & mask) {
 555        case BIT(CPCAP_BIT_RX_L_ENCODE):
 556                ucontrol->value.enumerated.item[0] = 2;
 557                break;
 558        case BIT(CPCAP_BIT_MIC2_MUX):
 559                ucontrol->value.enumerated.item[0] = 1;
 560                break;
 561        default:
 562                ucontrol->value.enumerated.item[0] = 0;
 563                break;
 564        }
 565
 566        return 0;
 567}
 568
 569static int cpcap_input_left_mux_put_enum(struct snd_kcontrol *kcontrol,
 570                                         struct snd_ctl_elem_value *ucontrol)
 571{
 572        struct snd_soc_component *component = snd_soc_dapm_kcontrol_component(kcontrol);
 573        struct cpcap_audio *cpcap = snd_soc_component_get_drvdata(component);
 574        struct snd_soc_dapm_context *dapm =
 575                snd_soc_dapm_kcontrol_dapm(kcontrol);
 576        struct soc_enum *e = (struct soc_enum *)kcontrol->private_value;
 577        unsigned int muxval = ucontrol->value.enumerated.item[0];
 578        int regval = 0, mask;
 579        int err;
 580
 581        mask = 0;
 582        mask |= BIT(CPCAP_BIT_MIC2_MUX);
 583        mask |= BIT(CPCAP_BIT_RX_L_ENCODE);
 584
 585        switch (muxval) {
 586        case 1:
 587                regval = BIT(CPCAP_BIT_MIC2_MUX);
 588                break;
 589        case 2:
 590                regval = BIT(CPCAP_BIT_RX_L_ENCODE);
 591                break;
 592        default:
 593                break;
 594        }
 595
 596        err = regmap_update_bits(cpcap->regmap, CPCAP_REG_TXI,
 597                                 mask, regval);
 598        if (err)
 599                return err;
 600
 601        snd_soc_dapm_mux_update_power(dapm, kcontrol, muxval, e, NULL);
 602
 603        return 0;
 604}
 605
 606static const struct snd_kcontrol_new cpcap_input_left_mux =
 607        SOC_DAPM_ENUM_EXT("Input Left", cpcap_input_left_mux_enum,
 608                          cpcap_input_left_mux_get_enum,
 609                          cpcap_input_left_mux_put_enum);
 610static const struct snd_kcontrol_new cpcap_input_right_mux =
 611        SOC_DAPM_ENUM_EXT("Input Right", cpcap_input_right_mux_enum,
 612                          cpcap_input_right_mux_get_enum,
 613                          cpcap_input_right_mux_put_enum);
 614static const struct snd_kcontrol_new cpcap_emu_left_mux =
 615        SOC_DAPM_ENUM_EXT("EMU Left", cpcap_emu_l_mux_enum,
 616                          cpcap_output_mux_get_enum, cpcap_output_mux_put_enum);
 617static const struct snd_kcontrol_new cpcap_emu_right_mux =
 618        SOC_DAPM_ENUM_EXT("EMU Right", cpcap_emu_r_mux_enum,
 619                          cpcap_output_mux_get_enum, cpcap_output_mux_put_enum);
 620static const struct snd_kcontrol_new cpcap_hs_left_mux =
 621        SOC_DAPM_ENUM_EXT("Headset Left", cpcap_hs_l_mux_enum,
 622                          cpcap_output_mux_get_enum, cpcap_output_mux_put_enum);
 623static const struct snd_kcontrol_new cpcap_hs_right_mux =
 624        SOC_DAPM_ENUM_EXT("Headset Right", cpcap_hs_r_mux_enum,
 625                          cpcap_output_mux_get_enum, cpcap_output_mux_put_enum);
 626static const struct snd_kcontrol_new cpcap_line_left_mux =
 627        SOC_DAPM_ENUM_EXT("Line Left", cpcap_line_l_mux_enum,
 628                          cpcap_output_mux_get_enum, cpcap_output_mux_put_enum);
 629static const struct snd_kcontrol_new cpcap_line_right_mux =
 630        SOC_DAPM_ENUM_EXT("Line Right", cpcap_line_r_mux_enum,
 631                          cpcap_output_mux_get_enum, cpcap_output_mux_put_enum);
 632static const struct snd_kcontrol_new cpcap_speaker_left_mux =
 633        SOC_DAPM_ENUM_EXT("Speaker Left", cpcap_spkr_l_mux_enum,
 634                          cpcap_output_mux_get_enum, cpcap_output_mux_put_enum);
 635static const struct snd_kcontrol_new cpcap_speaker_right_mux =
 636        SOC_DAPM_ENUM_EXT("Speaker Right", cpcap_spkr_r_mux_enum,
 637                          cpcap_output_mux_get_enum, cpcap_output_mux_put_enum);
 638static const struct snd_kcontrol_new cpcap_earpiece_mux =
 639        SOC_DAPM_ENUM_EXT("Earpiece", cpcap_earpiece_mux_enum,
 640                          cpcap_output_mux_get_enum, cpcap_output_mux_put_enum);
 641
 642static const struct snd_kcontrol_new cpcap_hifi_mono_mixer_controls[] = {
 643        SOC_DAPM_SINGLE("HiFi Mono Playback Switch",
 644                CPCAP_REG_RXSDOA, CPCAP_BIT_MONO_DAC1, 1, 0),
 645};
 646static const struct snd_kcontrol_new cpcap_ext_mono_mixer_controls[] = {
 647        SOC_DAPM_SINGLE("Ext Mono Playback Switch",
 648                CPCAP_REG_RXEPOA, CPCAP_BIT_MONO_EXT0, 1, 0),
 649};
 650
 651static const struct snd_kcontrol_new cpcap_extr_mute_control =
 652        SOC_DAPM_SINGLE("Switch",
 653                CPCAP_REG_RXEPOA, CPCAP_BIT_PGA_IN_R_SW, 1, 0);
 654static const struct snd_kcontrol_new cpcap_extl_mute_control =
 655        SOC_DAPM_SINGLE("Switch",
 656                CPCAP_REG_RXEPOA, CPCAP_BIT_PGA_IN_L_SW, 1, 0);
 657
 658static const struct snd_kcontrol_new cpcap_voice_loopback =
 659        SOC_DAPM_SINGLE("Switch",
 660                CPCAP_REG_TXI, CPCAP_BIT_DLM, 1, 0);
 661
 662static const struct snd_soc_dapm_widget cpcap_dapm_widgets[] = {
 663        /* DAIs */
 664        SND_SOC_DAPM_AIF_IN("HiFi RX", NULL, 0, SND_SOC_NOPM, 0, 0),
 665        SND_SOC_DAPM_AIF_IN("Voice RX", NULL, 0, SND_SOC_NOPM, 0, 0),
 666        SND_SOC_DAPM_AIF_OUT("Voice TX", NULL, 0, SND_SOC_NOPM, 0, 0),
 667
 668        /* Power Supply */
 669        SND_SOC_DAPM_REGULATOR_SUPPLY("VAUDIO", SLEEP_ACTIVATE_POWER, 0),
 670
 671        /* Highpass Filters */
 672        SND_SOC_DAPM_REG(snd_soc_dapm_pga, "Highpass Filter RX",
 673                CPCAP_REG_CC, CPCAP_BIT_AUDIHPF_0, 0x3, 0x3, 0x0),
 674        SND_SOC_DAPM_REG(snd_soc_dapm_pga, "Highpass Filter TX",
 675                CPCAP_REG_CC, CPCAP_BIT_AUDOHPF_0, 0x3, 0x3, 0x0),
 676
 677        /* Clocks */
 678        SND_SOC_DAPM_SUPPLY("HiFi DAI Clock",
 679                CPCAP_REG_SDACDI, CPCAP_BIT_ST_CLK_EN, 0, NULL, 0),
 680        SND_SOC_DAPM_SUPPLY("Voice DAI Clock",
 681                CPCAP_REG_CDI, CPCAP_BIT_CDC_CLK_EN, 0, NULL, 0),
 682
 683        /* Microphone Bias */
 684        SND_SOC_DAPM_SUPPLY("MIC1R Bias",
 685                CPCAP_REG_TXI, CPCAP_BIT_MB_ON1R, 0, NULL, 0),
 686        SND_SOC_DAPM_SUPPLY("MIC1L Bias",
 687                CPCAP_REG_TXI, CPCAP_BIT_MB_ON1L, 0, NULL, 0),
 688        SND_SOC_DAPM_SUPPLY("MIC2 Bias",
 689                CPCAP_REG_TXI, CPCAP_BIT_MB_ON2, 0, NULL, 0),
 690
 691        /* Inputs */
 692        SND_SOC_DAPM_INPUT("MICR"),
 693        SND_SOC_DAPM_INPUT("HSMIC"),
 694        SND_SOC_DAPM_INPUT("EMUMIC"),
 695        SND_SOC_DAPM_INPUT("MICL"),
 696        SND_SOC_DAPM_INPUT("EXTR"),
 697        SND_SOC_DAPM_INPUT("EXTL"),
 698
 699        /* Capture Route */
 700        SND_SOC_DAPM_MUX("Right Capture Route",
 701                SND_SOC_NOPM, 0, 0, &cpcap_input_right_mux),
 702        SND_SOC_DAPM_MUX("Left Capture Route",
 703                SND_SOC_NOPM, 0, 0, &cpcap_input_left_mux),
 704
 705        /* Capture PGAs */
 706        SND_SOC_DAPM_PGA("Microphone 1 PGA",
 707                CPCAP_REG_TXI, CPCAP_BIT_MIC1_PGA_EN, 0, NULL, 0),
 708        SND_SOC_DAPM_PGA("Microphone 2 PGA",
 709                CPCAP_REG_TXI, CPCAP_BIT_MIC2_PGA_EN, 0, NULL, 0),
 710
 711        /* ADC */
 712        SND_SOC_DAPM_ADC("ADC Right", NULL,
 713                CPCAP_REG_CC, CPCAP_BIT_MIC1_CDC_EN, 0),
 714        SND_SOC_DAPM_ADC("ADC Left", NULL,
 715                CPCAP_REG_CC, CPCAP_BIT_MIC2_CDC_EN, 0),
 716
 717        /* DAC */
 718        SND_SOC_DAPM_DAC_E("DAC HiFi", NULL,
 719                CPCAP_REG_SDAC, CPCAP_BIT_ST_DAC_EN, 0,
 720                cpcap_st_workaround,
 721                SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMU),
 722        SND_SOC_DAPM_DAC_E("DAC Voice", NULL,
 723                CPCAP_REG_CC, CPCAP_BIT_CDC_EN_RX, 0,
 724                cpcap_st_workaround,
 725                SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMU),
 726
 727        /* Playback PGA */
 728        SND_SOC_DAPM_PGA("HiFi PGA",
 729                CPCAP_REG_RXSDOA, CPCAP_BIT_PGA_DAC_EN, 0, NULL, 0),
 730        SND_SOC_DAPM_PGA("Voice PGA",
 731                CPCAP_REG_RXCOA, CPCAP_BIT_PGA_CDC_EN, 0, NULL, 0),
 732        SND_SOC_DAPM_PGA_E("Ext Right PGA",
 733                CPCAP_REG_RXEPOA, CPCAP_BIT_PGA_EXT_R_EN, 0,
 734                NULL, 0,
 735                cpcap_st_workaround,
 736                SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMU),
 737        SND_SOC_DAPM_PGA_E("Ext Left PGA",
 738                CPCAP_REG_RXEPOA, CPCAP_BIT_PGA_EXT_L_EN, 0,
 739                NULL, 0,
 740                cpcap_st_workaround,
 741                SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMU),
 742
 743        /* Playback Switch */
 744        SND_SOC_DAPM_SWITCH("Ext Right Enable", SND_SOC_NOPM, 0, 0,
 745                &cpcap_extr_mute_control),
 746        SND_SOC_DAPM_SWITCH("Ext Left Enable", SND_SOC_NOPM, 0, 0,
 747                &cpcap_extl_mute_control),
 748
 749        /* Loopback Switch */
 750        SND_SOC_DAPM_SWITCH("Voice Loopback", SND_SOC_NOPM, 0, 0,
 751                &cpcap_voice_loopback),
 752
 753        /* Mono Mixer */
 754        SOC_MIXER_ARRAY("HiFi Mono Left Mixer", SND_SOC_NOPM, 0, 0,
 755                cpcap_hifi_mono_mixer_controls),
 756        SOC_MIXER_ARRAY("HiFi Mono Right Mixer", SND_SOC_NOPM, 0, 0,
 757                cpcap_hifi_mono_mixer_controls),
 758        SOC_MIXER_ARRAY("Ext Mono Left Mixer", SND_SOC_NOPM, 0, 0,
 759                cpcap_ext_mono_mixer_controls),
 760        SOC_MIXER_ARRAY("Ext Mono Right Mixer", SND_SOC_NOPM, 0, 0,
 761                cpcap_ext_mono_mixer_controls),
 762
 763        /* Output Routes */
 764        SND_SOC_DAPM_MUX("Earpiece Playback Route", SND_SOC_NOPM, 0, 0,
 765                &cpcap_earpiece_mux),
 766        SND_SOC_DAPM_MUX("Speaker Right Playback Route", SND_SOC_NOPM, 0, 0,
 767                &cpcap_speaker_right_mux),
 768        SND_SOC_DAPM_MUX("Speaker Left Playback Route", SND_SOC_NOPM, 0, 0,
 769                &cpcap_speaker_left_mux),
 770        SND_SOC_DAPM_MUX("Lineout Right Playback Route", SND_SOC_NOPM, 0, 0,
 771                &cpcap_line_right_mux),
 772        SND_SOC_DAPM_MUX("Lineout Left Playback Route", SND_SOC_NOPM, 0, 0,
 773                &cpcap_line_left_mux),
 774        SND_SOC_DAPM_MUX("Headset Right Playback Route", SND_SOC_NOPM, 0, 0,
 775                &cpcap_hs_right_mux),
 776        SND_SOC_DAPM_MUX("Headset Left Playback Route", SND_SOC_NOPM, 0, 0,
 777                &cpcap_hs_left_mux),
 778        SND_SOC_DAPM_MUX("EMU Right Playback Route", SND_SOC_NOPM, 0, 0,
 779                &cpcap_emu_right_mux),
 780        SND_SOC_DAPM_MUX("EMU Left Playback Route", SND_SOC_NOPM, 0, 0,
 781                &cpcap_emu_left_mux),
 782
 783        /* Output Amplifier */
 784        SND_SOC_DAPM_PGA("Earpiece PGA",
 785                CPCAP_REG_RXOA, CPCAP_BIT_A1_EAR_EN, 0, NULL, 0),
 786        SND_SOC_DAPM_PGA("Speaker Right PGA",
 787                CPCAP_REG_RXOA, CPCAP_BIT_A2_LDSP_R_EN, 0, NULL, 0),
 788        SND_SOC_DAPM_PGA("Speaker Left PGA",
 789                CPCAP_REG_RXOA, CPCAP_BIT_A2_LDSP_L_EN, 0, NULL, 0),
 790        SND_SOC_DAPM_PGA("Lineout Right PGA",
 791                CPCAP_REG_RXOA, CPCAP_BIT_A4_LINEOUT_R_EN, 0, NULL, 0),
 792        SND_SOC_DAPM_PGA("Lineout Left PGA",
 793                CPCAP_REG_RXOA, CPCAP_BIT_A4_LINEOUT_L_EN, 0, NULL, 0),
 794        SND_SOC_DAPM_PGA("Headset Right PGA",
 795                CPCAP_REG_RXOA, CPCAP_BIT_HS_R_EN, 0, NULL, 0),
 796        SND_SOC_DAPM_PGA("Headset Left PGA",
 797                CPCAP_REG_RXOA, CPCAP_BIT_HS_L_EN, 0, NULL, 0),
 798        SND_SOC_DAPM_PGA("EMU Right PGA",
 799                CPCAP_REG_RXOA, CPCAP_BIT_EMU_SPKR_R_EN, 0, NULL, 0),
 800        SND_SOC_DAPM_PGA("EMU Left PGA",
 801                CPCAP_REG_RXOA, CPCAP_BIT_EMU_SPKR_L_EN, 0, NULL, 0),
 802
 803        /* Headet Charge Pump */
 804        SND_SOC_DAPM_SUPPLY("Headset Charge Pump",
 805                CPCAP_REG_RXOA, CPCAP_BIT_ST_HS_CP_EN, 0, NULL, 0),
 806
 807        /* Outputs */
 808        SND_SOC_DAPM_OUTPUT("EP"),
 809        SND_SOC_DAPM_OUTPUT("SPKR"),
 810        SND_SOC_DAPM_OUTPUT("SPKL"),
 811        SND_SOC_DAPM_OUTPUT("LINER"),
 812        SND_SOC_DAPM_OUTPUT("LINEL"),
 813        SND_SOC_DAPM_OUTPUT("HSR"),
 814        SND_SOC_DAPM_OUTPUT("HSL"),
 815        SND_SOC_DAPM_OUTPUT("EMUR"),
 816        SND_SOC_DAPM_OUTPUT("EMUL"),
 817};
 818
 819static const struct snd_soc_dapm_route intercon[] = {
 820        /* Power Supply */
 821        {"HiFi PGA", NULL, "VAUDIO"},
 822        {"Voice PGA", NULL, "VAUDIO"},
 823        {"Ext Right PGA", NULL, "VAUDIO"},
 824        {"Ext Left PGA", NULL, "VAUDIO"},
 825        {"Microphone 1 PGA", NULL, "VAUDIO"},
 826        {"Microphone 2 PGA", NULL, "VAUDIO"},
 827
 828        /* Stream -> AIF */
 829        {"HiFi RX", NULL, "HiFi Playback"},
 830        {"Voice RX", NULL, "Voice Playback"},
 831        {"Voice Capture", NULL, "Voice TX"},
 832
 833        /* AIF clocks */
 834        {"HiFi RX", NULL, "HiFi DAI Clock"},
 835        {"Voice RX", NULL, "Voice DAI Clock"},
 836        {"Voice TX", NULL, "Voice DAI Clock"},
 837
 838        /* Digital Loopback */
 839        {"Voice Loopback", "Switch", "Voice TX"},
 840        {"Voice RX", NULL, "Voice Loopback"},
 841
 842        /* Highpass Filters */
 843        {"Highpass Filter RX", NULL, "Voice RX"},
 844        {"Voice TX", NULL, "Highpass Filter TX"},
 845
 846        /* AIF -> DAC mapping */
 847        {"DAC HiFi", NULL, "HiFi RX"},
 848        {"DAC Voice", NULL, "Highpass Filter RX"},
 849
 850        /* DAC -> PGA */
 851        {"HiFi PGA", NULL, "DAC HiFi"},
 852        {"Voice PGA", NULL, "DAC Voice"},
 853
 854        /* Ext Input -> PGA */
 855        {"Ext Right PGA", NULL, "EXTR"},
 856        {"Ext Left PGA", NULL, "EXTL"},
 857
 858        /* Ext PGA -> Ext Playback Switch */
 859        {"Ext Right Enable", "Switch", "Ext Right PGA"},
 860        {"Ext Left Enable", "Switch", "Ext Left PGA"},
 861
 862        /* HiFi PGA -> Mono Mixer */
 863        {"HiFi Mono Left Mixer", NULL, "HiFi PGA"},
 864        {"HiFi Mono Left Mixer", "HiFi Mono Playback Switch", "HiFi PGA"},
 865        {"HiFi Mono Right Mixer", NULL, "HiFi PGA"},
 866        {"HiFi Mono Right Mixer", "HiFi Mono Playback Switch", "HiFi PGA"},
 867
 868        /* Ext Playback Switch -> Ext Mono Mixer */
 869        {"Ext Mono Right Mixer", NULL, "Ext Right Enable"},
 870        {"Ext Mono Right Mixer", "Ext Mono Playback Switch", "Ext Left Enable"},
 871        {"Ext Mono Left Mixer", NULL, "Ext Left Enable"},
 872        {"Ext Mono Left Mixer", "Ext Mono Playback Switch", "Ext Right Enable"},
 873
 874        /* HiFi Mono Mixer -> Output Route */
 875        {"Earpiece Playback Route", "HiFi", "HiFi Mono Right Mixer"},
 876        {"Speaker Right Playback Route", "HiFi", "HiFi Mono Right Mixer"},
 877        {"Speaker Left Playback Route", "HiFi", "HiFi Mono Left Mixer"},
 878        {"Lineout Right Playback Route", "HiFi", "HiFi Mono Right Mixer"},
 879        {"Lineout Left Playback Route", "HiFi", "HiFi Mono Left Mixer"},
 880        {"Headset Right Playback Route", "HiFi", "HiFi Mono Right Mixer"},
 881        {"Headset Left Playback Route", "HiFi", "HiFi Mono Left Mixer"},
 882        {"EMU Right Playback Route", "HiFi", "HiFi Mono Right Mixer"},
 883        {"EMU Left Playback Route", "HiFi", "HiFi Mono Left Mixer"},
 884
 885        /* Voice PGA -> Output Route */
 886        {"Earpiece Playback Route", "Voice", "Voice PGA"},
 887        {"Speaker Right Playback Route", "Voice", "Voice PGA"},
 888        {"Speaker Left Playback Route", "Voice", "Voice PGA"},
 889        {"Lineout Right Playback Route", "Voice", "Voice PGA"},
 890        {"Lineout Left Playback Route", "Voice", "Voice PGA"},
 891        {"Headset Right Playback Route", "Voice", "Voice PGA"},
 892        {"Headset Left Playback Route", "Voice", "Voice PGA"},
 893        {"EMU Right Playback Route", "Voice", "Voice PGA"},
 894        {"EMU Left Playback Route", "Voice", "Voice PGA"},
 895
 896        /* Ext Mono Mixer -> Output Route */
 897        {"Earpiece Playback Route", "Ext", "Ext Mono Right Mixer"},
 898        {"Speaker Right Playback Route", "Ext", "Ext Mono Right Mixer"},
 899        {"Speaker Left Playback Route", "Ext", "Ext Mono Left Mixer"},
 900        {"Lineout Right Playback Route", "Ext", "Ext Mono Right Mixer"},
 901        {"Lineout Left Playback Route", "Ext", "Ext Mono Left Mixer"},
 902        {"Headset Right Playback Route", "Ext", "Ext Mono Right Mixer"},
 903        {"Headset Left Playback Route", "Ext", "Ext Mono Left Mixer"},
 904        {"EMU Right Playback Route", "Ext", "Ext Mono Right Mixer"},
 905        {"EMU Left Playback Route", "Ext", "Ext Mono Left Mixer"},
 906
 907        /* Output Route -> Output Amplifier */
 908        {"Earpiece PGA", NULL, "Earpiece Playback Route"},
 909        {"Speaker Right PGA", NULL, "Speaker Right Playback Route"},
 910        {"Speaker Left PGA", NULL, "Speaker Left Playback Route"},
 911        {"Lineout Right PGA", NULL, "Lineout Right Playback Route"},
 912        {"Lineout Left PGA", NULL, "Lineout Left Playback Route"},
 913        {"Headset Right PGA", NULL, "Headset Right Playback Route"},
 914        {"Headset Left PGA", NULL, "Headset Left Playback Route"},
 915        {"EMU Right PGA", NULL, "EMU Right Playback Route"},
 916        {"EMU Left PGA", NULL, "EMU Left Playback Route"},
 917
 918        /* Output Amplifier -> Output */
 919        {"EP", NULL, "Earpiece PGA"},
 920        {"SPKR", NULL, "Speaker Right PGA"},
 921        {"SPKL", NULL, "Speaker Left PGA"},
 922        {"LINER", NULL, "Lineout Right PGA"},
 923        {"LINEL", NULL, "Lineout Left PGA"},
 924        {"HSR", NULL, "Headset Right PGA"},
 925        {"HSL", NULL, "Headset Left PGA"},
 926        {"EMUR", NULL, "EMU Right PGA"},
 927        {"EMUL", NULL, "EMU Left PGA"},
 928
 929        /* Headset Charge Pump -> Headset */
 930        {"HSR", NULL, "Headset Charge Pump"},
 931        {"HSL", NULL, "Headset Charge Pump"},
 932
 933        /* Mic -> Mic Route */
 934        {"Right Capture Route", "Mic 1", "MICR"},
 935        {"Right Capture Route", "Headset Mic", "HSMIC"},
 936        {"Right Capture Route", "EMU Mic", "EMUMIC"},
 937        {"Right Capture Route", "Ext Right", "EXTR"},
 938        {"Left Capture Route", "Mic 2", "MICL"},
 939        {"Left Capture Route", "Ext Left", "EXTL"},
 940
 941        /* Input Route -> Microphone PGA */
 942        {"Microphone 1 PGA", NULL, "Right Capture Route"},
 943        {"Microphone 2 PGA", NULL, "Left Capture Route"},
 944
 945        /* Microphone PGA -> ADC */
 946        {"ADC Right", NULL, "Microphone 1 PGA"},
 947        {"ADC Left", NULL, "Microphone 2 PGA"},
 948
 949        /* ADC -> Stream */
 950        {"Highpass Filter TX", NULL, "ADC Right"},
 951        {"Highpass Filter TX", NULL, "ADC Left"},
 952
 953        /* Mic Bias */
 954        {"MICL", NULL, "MIC1L Bias"},
 955        {"MICR", NULL, "MIC1R Bias"},
 956};
 957
 958static int cpcap_set_sysclk(struct cpcap_audio *cpcap, enum cpcap_dai dai,
 959                            int clk_id, int freq)
 960{
 961        u16 clkfreqreg, clkfreqshift;
 962        u16 clkfreqmask, clkfreqval;
 963        u16 clkidreg, clkidshift;
 964        u16 mask, val;
 965        int err;
 966
 967        switch (dai) {
 968        case CPCAP_DAI_HIFI:
 969                clkfreqreg = CPCAP_REG_SDAC;
 970                clkfreqshift = CPCAP_BIT_ST_DAC_CLK0;
 971                clkidreg = CPCAP_REG_SDACDI;
 972                clkidshift = CPCAP_BIT_ST_DAC_CLK_IN_SEL;
 973                break;
 974        case CPCAP_DAI_VOICE:
 975                clkfreqreg = CPCAP_REG_CC;
 976                clkfreqshift = CPCAP_BIT_CDC_CLK0;
 977                clkidreg = CPCAP_REG_CDI;
 978                clkidshift = CPCAP_BIT_CLK_IN_SEL;
 979                break;
 980        default:
 981                dev_err(cpcap->component->dev, "invalid DAI: %d", dai);
 982                return -EINVAL;
 983        }
 984
 985        /* setup clk id */
 986        if (clk_id < 0 || clk_id > 1) {
 987                dev_err(cpcap->component->dev, "invalid clk id %d", clk_id);
 988                return -EINVAL;
 989        }
 990        err = regmap_update_bits(cpcap->regmap, clkidreg, BIT(clkidshift),
 991                                 clk_id ? BIT(clkidshift) : 0);
 992        if (err)
 993                return err;
 994
 995        /* enable PLL for Voice DAI */
 996        if (dai == CPCAP_DAI_VOICE) {
 997                mask = BIT(CPCAP_BIT_CDC_PLL_SEL);
 998                val = BIT(CPCAP_BIT_CDC_PLL_SEL);
 999                err = regmap_update_bits(cpcap->regmap, CPCAP_REG_CDI,
1000                                         mask, val);
1001                if (err)
1002                        return err;
1003        }
1004
1005        /* setup frequency */
1006        clkfreqmask = 0x7 << clkfreqshift;
1007        switch (freq) {
1008        case 15360000:
1009                clkfreqval = 0x01 << clkfreqshift;
1010                break;
1011        case 16800000:
1012                clkfreqval = 0x02 << clkfreqshift;
1013                break;
1014        case 19200000:
1015                clkfreqval = 0x03 << clkfreqshift;
1016                break;
1017        case 26000000:
1018                clkfreqval = 0x04 << clkfreqshift;
1019                break;
1020        case 33600000:
1021                clkfreqval = 0x05 << clkfreqshift;
1022                break;
1023        case 38400000:
1024                clkfreqval = 0x06 << clkfreqshift;
1025                break;
1026        default:
1027                dev_err(cpcap->component->dev, "unsupported freq %u", freq);
1028                return -EINVAL;
1029        }
1030
1031        err = regmap_update_bits(cpcap->regmap, clkfreqreg,
1032                                 clkfreqmask, clkfreqval);
1033        if (err)
1034                return err;
1035
1036        if (dai == CPCAP_DAI_VOICE) {
1037                cpcap->codec_clk_id = clk_id;
1038                cpcap->codec_freq = freq;
1039        }
1040
1041        return 0;
1042}
1043
1044static int cpcap_set_samprate(struct cpcap_audio *cpcap, enum cpcap_dai dai,
1045                              int samplerate)
1046{
1047        struct snd_soc_component *component = cpcap->component;
1048        u16 sampreg, sampmask, sampshift, sampval, sampreset;
1049        int err, sampreadval;
1050
1051        switch (dai) {
1052        case CPCAP_DAI_HIFI:
1053                sampreg = CPCAP_REG_SDAC;
1054                sampshift = CPCAP_BIT_ST_SR0;
1055                sampreset = BIT(CPCAP_BIT_DF_RESET_ST_DAC) |
1056                            BIT(CPCAP_BIT_ST_CLOCK_TREE_RESET);
1057                break;
1058        case CPCAP_DAI_VOICE:
1059                sampreg = CPCAP_REG_CC;
1060                sampshift = CPCAP_BIT_CDC_SR0;
1061                sampreset = BIT(CPCAP_BIT_DF_RESET) |
1062                            BIT(CPCAP_BIT_CDC_CLOCK_TREE_RESET);
1063                break;
1064        default:
1065                dev_err(component->dev, "invalid DAI: %d", dai);
1066                return -EINVAL;
1067        }
1068
1069        sampmask = 0xF << sampshift | sampreset;
1070        switch (samplerate) {
1071        case 48000:
1072                sampval = 0x8 << sampshift;
1073                break;
1074        case 44100:
1075                sampval = 0x7 << sampshift;
1076                break;
1077        case 32000:
1078                sampval = 0x6 << sampshift;
1079                break;
1080        case 24000:
1081                sampval = 0x5 << sampshift;
1082                break;
1083        case 22050:
1084                sampval = 0x4 << sampshift;
1085                break;
1086        case 16000:
1087                sampval = 0x3 << sampshift;
1088                break;
1089        case 12000:
1090                sampval = 0x2 << sampshift;
1091                break;
1092        case 11025:
1093                sampval = 0x1 << sampshift;
1094                break;
1095        case 8000:
1096                sampval = 0x0 << sampshift;
1097                break;
1098        default:
1099                dev_err(component->dev, "unsupported samplerate %d", samplerate);
1100                return -EINVAL;
1101        }
1102        err = regmap_update_bits(cpcap->regmap, sampreg,
1103                                 sampmask, sampval | sampreset);
1104        if (err)
1105                return err;
1106
1107        /* Wait for clock tree reset to complete */
1108        mdelay(CLOCK_TREE_RESET_TIME);
1109
1110        err = regmap_read(cpcap->regmap, sampreg, &sampreadval);
1111        if (err)
1112                return err;
1113
1114        if (sampreadval & sampreset) {
1115                dev_err(component->dev, "reset self-clear failed: %04x",
1116                        sampreadval);
1117                return -EIO;
1118        }
1119
1120        return 0;
1121}
1122
1123static int cpcap_hifi_hw_params(struct snd_pcm_substream *substream,
1124                                struct snd_pcm_hw_params *params,
1125                                struct snd_soc_dai *dai)
1126{
1127        struct snd_soc_component *component = dai->component;
1128        struct cpcap_audio *cpcap = snd_soc_component_get_drvdata(component);
1129        int rate = params_rate(params);
1130
1131        dev_dbg(component->dev, "HiFi setup HW params: rate=%d", rate);
1132        return cpcap_set_samprate(cpcap, CPCAP_DAI_HIFI, rate);
1133}
1134
1135static int cpcap_hifi_set_dai_sysclk(struct snd_soc_dai *codec_dai, int clk_id,
1136                                     unsigned int freq, int dir)
1137{
1138        struct snd_soc_component *component = codec_dai->component;
1139        struct cpcap_audio *cpcap = snd_soc_component_get_drvdata(component);
1140        struct device *dev = component->dev;
1141
1142        dev_dbg(dev, "HiFi setup sysclk: clk_id=%u, freq=%u", clk_id, freq);
1143        return cpcap_set_sysclk(cpcap, CPCAP_DAI_HIFI, clk_id, freq);
1144}
1145
1146static int cpcap_hifi_set_dai_fmt(struct snd_soc_dai *codec_dai,
1147                                  unsigned int fmt)
1148{
1149        struct snd_soc_component *component = codec_dai->component;
1150        struct cpcap_audio *cpcap = snd_soc_component_get_drvdata(component);
1151        struct device *dev = component->dev;
1152        static const u16 reg = CPCAP_REG_SDACDI;
1153        static const u16 mask =
1154                BIT(CPCAP_BIT_SMB_ST_DAC) |
1155                BIT(CPCAP_BIT_ST_CLK_INV) |
1156                BIT(CPCAP_BIT_ST_FS_INV) |
1157                BIT(CPCAP_BIT_ST_DIG_AUD_FS0) |
1158                BIT(CPCAP_BIT_ST_DIG_AUD_FS1) |
1159                BIT(CPCAP_BIT_ST_L_TIMESLOT0) |
1160                BIT(CPCAP_BIT_ST_L_TIMESLOT1) |
1161                BIT(CPCAP_BIT_ST_L_TIMESLOT2) |
1162                BIT(CPCAP_BIT_ST_R_TIMESLOT0) |
1163                BIT(CPCAP_BIT_ST_R_TIMESLOT1) |
1164                BIT(CPCAP_BIT_ST_R_TIMESLOT2);
1165        u16 val = 0x0000;
1166
1167        dev_dbg(dev, "HiFi setup dai format (%08x)", fmt);
1168
1169        /*
1170         * "HiFi Playback" should always be configured as
1171         * SND_SOC_DAIFMT_CBM_CFM - codec clk & frm master
1172         * SND_SOC_DAIFMT_I2S - I2S mode
1173         */
1174        switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
1175        case SND_SOC_DAIFMT_CBM_CFM:
1176                val &= ~BIT(CPCAP_BIT_SMB_ST_DAC);
1177                break;
1178        default:
1179                dev_err(dev, "HiFi dai fmt failed: CPCAP should be master");
1180                return -EINVAL;
1181        }
1182
1183        switch (fmt & SND_SOC_DAIFMT_INV_MASK) {
1184        case SND_SOC_DAIFMT_IB_IF:
1185                val |= BIT(CPCAP_BIT_ST_FS_INV);
1186                val |= BIT(CPCAP_BIT_ST_CLK_INV);
1187                break;
1188        case SND_SOC_DAIFMT_IB_NF:
1189                val &= ~BIT(CPCAP_BIT_ST_FS_INV);
1190                val |= BIT(CPCAP_BIT_ST_CLK_INV);
1191                break;
1192        case SND_SOC_DAIFMT_NB_IF:
1193                val |= BIT(CPCAP_BIT_ST_FS_INV);
1194                val &= ~BIT(CPCAP_BIT_ST_CLK_INV);
1195                break;
1196        case SND_SOC_DAIFMT_NB_NF:
1197                val &= ~BIT(CPCAP_BIT_ST_FS_INV);
1198                val &= ~BIT(CPCAP_BIT_ST_CLK_INV);
1199                break;
1200        default:
1201                dev_err(dev, "HiFi dai fmt failed: unsupported clock invert mode");
1202                return -EINVAL;
1203        }
1204
1205        if (val & BIT(CPCAP_BIT_ST_CLK_INV))
1206                val &= ~BIT(CPCAP_BIT_ST_CLK_INV);
1207        else
1208                val |= BIT(CPCAP_BIT_ST_CLK_INV);
1209
1210        switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
1211        case SND_SOC_DAIFMT_I2S:
1212                val |= BIT(CPCAP_BIT_ST_DIG_AUD_FS0);
1213                val |= BIT(CPCAP_BIT_ST_DIG_AUD_FS1);
1214                break;
1215        default:
1216                /* 01 - 4 slots network mode */
1217                val |= BIT(CPCAP_BIT_ST_DIG_AUD_FS0);
1218                val &= ~BIT(CPCAP_BIT_ST_DIG_AUD_FS1);
1219                /* L on slot 1 */
1220                val |= BIT(CPCAP_BIT_ST_L_TIMESLOT0);
1221                break;
1222        }
1223
1224        dev_dbg(dev, "HiFi dai format: val=%04x", val);
1225        return regmap_update_bits(cpcap->regmap, reg, mask, val);
1226}
1227
1228static int cpcap_hifi_set_mute(struct snd_soc_dai *dai, int mute, int direction)
1229{
1230        struct snd_soc_component *component = dai->component;
1231        struct cpcap_audio *cpcap = snd_soc_component_get_drvdata(component);
1232        static const u16 reg = CPCAP_REG_RXSDOA;
1233        static const u16 mask = BIT(CPCAP_BIT_ST_DAC_SW);
1234        u16 val;
1235
1236        if (mute)
1237                val = 0;
1238        else
1239                val = BIT(CPCAP_BIT_ST_DAC_SW);
1240
1241        dev_dbg(component->dev, "HiFi mute: %d", mute);
1242        return regmap_update_bits(cpcap->regmap, reg, mask, val);
1243}
1244
1245static const struct snd_soc_dai_ops cpcap_dai_hifi_ops = {
1246        .hw_params      = cpcap_hifi_hw_params,
1247        .set_sysclk     = cpcap_hifi_set_dai_sysclk,
1248        .set_fmt        = cpcap_hifi_set_dai_fmt,
1249        .mute_stream    = cpcap_hifi_set_mute,
1250        .no_capture_mute = 1,
1251};
1252
1253static int cpcap_voice_hw_params(struct snd_pcm_substream *substream,
1254                                 struct snd_pcm_hw_params *params,
1255                                 struct snd_soc_dai *dai)
1256{
1257        struct snd_soc_component *component = dai->component;
1258        struct device *dev = component->dev;
1259        struct cpcap_audio *cpcap = snd_soc_component_get_drvdata(component);
1260        static const u16 reg_cdi = CPCAP_REG_CDI;
1261        int rate = params_rate(params);
1262        int channels = params_channels(params);
1263        int direction = substream->stream;
1264        u16 val, mask;
1265        int err;
1266
1267        dev_dbg(dev, "Voice setup HW params: rate=%d, direction=%d, chan=%d",
1268                rate, direction, channels);
1269
1270        err = cpcap_set_samprate(cpcap, CPCAP_DAI_VOICE, rate);
1271        if (err)
1272                return err;
1273
1274        if (direction == SNDRV_PCM_STREAM_CAPTURE) {
1275                mask = 0x0000;
1276                mask |= BIT(CPCAP_BIT_MIC1_RX_TIMESLOT0);
1277                mask |= BIT(CPCAP_BIT_MIC1_RX_TIMESLOT1);
1278                mask |= BIT(CPCAP_BIT_MIC1_RX_TIMESLOT2);
1279                mask |= BIT(CPCAP_BIT_MIC2_TIMESLOT0);
1280                mask |= BIT(CPCAP_BIT_MIC2_TIMESLOT1);
1281                mask |= BIT(CPCAP_BIT_MIC2_TIMESLOT2);
1282                val = 0x0000;
1283                if (channels >= 2)
1284                        val = BIT(CPCAP_BIT_MIC1_RX_TIMESLOT0);
1285                err = regmap_update_bits(cpcap->regmap, reg_cdi, mask, val);
1286                if (err)
1287                        return err;
1288        }
1289
1290        return 0;
1291}
1292
1293static int cpcap_voice_set_dai_sysclk(struct snd_soc_dai *codec_dai, int clk_id,
1294                                      unsigned int freq, int dir)
1295{
1296        struct snd_soc_component *component = codec_dai->component;
1297        struct cpcap_audio *cpcap = snd_soc_component_get_drvdata(component);
1298
1299        dev_dbg(component->dev, "Voice setup sysclk: clk_id=%u, freq=%u",
1300                clk_id, freq);
1301        return cpcap_set_sysclk(cpcap, CPCAP_DAI_VOICE, clk_id, freq);
1302}
1303
1304static int cpcap_voice_set_dai_fmt(struct snd_soc_dai *codec_dai,
1305                                   unsigned int fmt)
1306{
1307        struct snd_soc_component *component = codec_dai->component;
1308        struct cpcap_audio *cpcap = snd_soc_component_get_drvdata(component);
1309        static const u16 mask = BIT(CPCAP_BIT_SMB_CDC) |
1310                                BIT(CPCAP_BIT_CLK_INV) |
1311                                BIT(CPCAP_BIT_FS_INV) |
1312                                BIT(CPCAP_BIT_CDC_DIG_AUD_FS0) |
1313                                BIT(CPCAP_BIT_CDC_DIG_AUD_FS1);
1314        u16 val = 0x0000;
1315        int err;
1316
1317        dev_dbg(component->dev, "Voice setup dai format (%08x)", fmt);
1318
1319        /*
1320         * "Voice Playback" and "Voice Capture" should always be
1321         * configured as SND_SOC_DAIFMT_CBM_CFM - codec clk & frm
1322         * master
1323         */
1324        switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
1325        case SND_SOC_DAIFMT_CBM_CFM:
1326                val &= ~BIT(CPCAP_BIT_SMB_CDC);
1327                break;
1328        default:
1329                dev_err(component->dev, "Voice dai fmt failed: CPCAP should be the master");
1330                val &= ~BIT(CPCAP_BIT_SMB_CDC);
1331                break;
1332        }
1333
1334        switch (fmt & SND_SOC_DAIFMT_INV_MASK) {
1335        case SND_SOC_DAIFMT_IB_IF:
1336                val |= BIT(CPCAP_BIT_CLK_INV);
1337                val |= BIT(CPCAP_BIT_FS_INV);
1338                break;
1339        case SND_SOC_DAIFMT_IB_NF:
1340                val |= BIT(CPCAP_BIT_CLK_INV);
1341                val &= ~BIT(CPCAP_BIT_FS_INV);
1342                break;
1343        case SND_SOC_DAIFMT_NB_IF:
1344                val &= ~BIT(CPCAP_BIT_CLK_INV);
1345                val |= BIT(CPCAP_BIT_FS_INV);
1346                break;
1347        case SND_SOC_DAIFMT_NB_NF:
1348                val &= ~BIT(CPCAP_BIT_CLK_INV);
1349                val &= ~BIT(CPCAP_BIT_FS_INV);
1350                break;
1351        default:
1352                dev_err(component->dev, "Voice dai fmt failed: unsupported clock invert mode");
1353                break;
1354        }
1355
1356        if (val & BIT(CPCAP_BIT_CLK_INV))
1357                val &= ~BIT(CPCAP_BIT_CLK_INV);
1358        else
1359                val |= BIT(CPCAP_BIT_CLK_INV);
1360
1361        switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
1362        case SND_SOC_DAIFMT_I2S:
1363                /* 11 - true I2S mode */
1364                val |= BIT(CPCAP_BIT_CDC_DIG_AUD_FS0);
1365                val |= BIT(CPCAP_BIT_CDC_DIG_AUD_FS1);
1366                break;
1367        default:
1368                /* 4 timeslots network mode */
1369                val |= BIT(CPCAP_BIT_CDC_DIG_AUD_FS0);
1370                val &= ~BIT(CPCAP_BIT_CDC_DIG_AUD_FS1);
1371                break;
1372        }
1373
1374        dev_dbg(component->dev, "Voice dai format: val=%04x", val);
1375        err = regmap_update_bits(cpcap->regmap, CPCAP_REG_CDI, mask, val);
1376        if (err)
1377                return err;
1378
1379        cpcap->codec_format = val;
1380        return 0;
1381}
1382
1383
1384/*
1385 * Configure codec for voice call if requested.
1386 *
1387 * We can configure most with snd_soc_dai_set_sysclk(), snd_soc_dai_set_fmt()
1388 * and snd_soc_dai_set_tdm_slot(). This function configures the rest of the
1389 * cpcap related hardware as CPU is not involved in the voice call.
1390 */
1391static int cpcap_voice_call(struct cpcap_audio *cpcap, struct snd_soc_dai *dai,
1392                            bool voice_call)
1393{
1394        int mask, err;
1395
1396        /* Modem to codec VAUDIO_MODE1 */
1397        mask = BIT(CPCAP_BIT_VAUDIO_MODE1);
1398        err = regmap_update_bits(cpcap->regmap, CPCAP_REG_VAUDIOC,
1399                                 mask, voice_call ? mask : 0);
1400        if (err)
1401                return err;
1402
1403        /* Clear MIC1_MUX for call */
1404        mask = BIT(CPCAP_BIT_MIC1_MUX);
1405        err = regmap_update_bits(cpcap->regmap, CPCAP_REG_TXI,
1406                                 mask, voice_call ? 0 : mask);
1407        if (err)
1408                return err;
1409
1410        /* Set MIC2_MUX for call */
1411        mask = BIT(CPCAP_BIT_MB_ON1L) | BIT(CPCAP_BIT_MB_ON1R) |
1412                BIT(CPCAP_BIT_MIC2_MUX) | BIT(CPCAP_BIT_MIC2_PGA_EN);
1413        err = regmap_update_bits(cpcap->regmap, CPCAP_REG_TXI,
1414                                 mask, voice_call ? mask : 0);
1415        if (err)
1416                return err;
1417
1418        /* Enable LDSP for call */
1419        mask = BIT(CPCAP_BIT_A2_LDSP_L_EN) | BIT(CPCAP_BIT_A2_LDSP_R_EN);
1420        err = regmap_update_bits(cpcap->regmap, CPCAP_REG_RXOA,
1421                                 mask, voice_call ? mask : 0);
1422        if (err)
1423                return err;
1424
1425        /* Enable CPCAP_BIT_PGA_CDC_EN for call */
1426        mask = BIT(CPCAP_BIT_PGA_CDC_EN);
1427        err = regmap_update_bits(cpcap->regmap, CPCAP_REG_RXCOA,
1428                                 mask, voice_call ? mask : 0);
1429        if (err)
1430                return err;
1431
1432        /* Unmute voice for call */
1433        if (dai) {
1434                err = snd_soc_dai_digital_mute(dai, !voice_call,
1435                                               SNDRV_PCM_STREAM_PLAYBACK);
1436                if (err)
1437                        return err;
1438        }
1439
1440        /* Set modem to codec mic CDC and HPF for call */
1441        mask = BIT(CPCAP_BIT_MIC2_CDC_EN) | BIT(CPCAP_BIT_CDC_EN_RX) |
1442               BIT(CPCAP_BIT_AUDOHPF_1) | BIT(CPCAP_BIT_AUDOHPF_0) |
1443               BIT(CPCAP_BIT_AUDIHPF_1) | BIT(CPCAP_BIT_AUDIHPF_0);
1444        err = regmap_update_bits(cpcap->regmap, CPCAP_REG_CC,
1445                                 mask, voice_call ? mask : 0);
1446        if (err)
1447                return err;
1448
1449        /* Enable modem to codec CDC for call*/
1450        mask = BIT(CPCAP_BIT_CDC_CLK_EN);
1451        err = regmap_update_bits(cpcap->regmap, CPCAP_REG_CDI,
1452                                 mask, voice_call ? mask : 0);
1453
1454        return err;
1455}
1456
1457static int cpcap_voice_set_tdm_slot(struct snd_soc_dai *dai,
1458                                    unsigned int tx_mask, unsigned int rx_mask,
1459                                    int slots, int slot_width)
1460{
1461        struct snd_soc_component *component = dai->component;
1462        struct cpcap_audio *cpcap = snd_soc_component_get_drvdata(component);
1463        int err, ts_mask, mask;
1464        bool voice_call;
1465
1466        /*
1467         * Primitive test for voice call, probably needs more checks
1468         * later on for 16-bit calls detected, Bluetooth headset etc.
1469         */
1470        if (tx_mask == 0 && rx_mask == 1 && slot_width == 8)
1471                voice_call = true;
1472        else
1473                voice_call = false;
1474
1475        ts_mask = 0x7 << CPCAP_BIT_MIC2_TIMESLOT0;
1476        ts_mask |= 0x7 << CPCAP_BIT_MIC1_RX_TIMESLOT0;
1477
1478        mask = (tx_mask & 0x7) << CPCAP_BIT_MIC2_TIMESLOT0;
1479        mask |= (rx_mask & 0x7) << CPCAP_BIT_MIC1_RX_TIMESLOT0;
1480
1481        err = regmap_update_bits(cpcap->regmap, CPCAP_REG_CDI,
1482                                 ts_mask, mask);
1483        if (err)
1484                return err;
1485
1486        err = cpcap_set_samprate(cpcap, CPCAP_DAI_VOICE, slot_width * 1000);
1487        if (err)
1488                return err;
1489
1490        err = cpcap_voice_call(cpcap, dai, voice_call);
1491        if (err)
1492                return err;
1493
1494        return 0;
1495}
1496
1497static int cpcap_voice_set_mute(struct snd_soc_dai *dai, int mute, int direction)
1498{
1499        struct snd_soc_component *component = dai->component;
1500        struct cpcap_audio *cpcap = snd_soc_component_get_drvdata(component);
1501        static const u16 reg = CPCAP_REG_RXCOA;
1502        static const u16 mask = BIT(CPCAP_BIT_CDC_SW);
1503        u16 val;
1504
1505        if (mute)
1506                val = 0;
1507        else
1508                val = BIT(CPCAP_BIT_CDC_SW);
1509
1510        dev_dbg(component->dev, "Voice mute: %d", mute);
1511        return regmap_update_bits(cpcap->regmap, reg, mask, val);
1512};
1513
1514static const struct snd_soc_dai_ops cpcap_dai_voice_ops = {
1515        .hw_params      = cpcap_voice_hw_params,
1516        .set_sysclk     = cpcap_voice_set_dai_sysclk,
1517        .set_fmt        = cpcap_voice_set_dai_fmt,
1518        .set_tdm_slot   = cpcap_voice_set_tdm_slot,
1519        .mute_stream    = cpcap_voice_set_mute,
1520        .no_capture_mute = 1,
1521};
1522
1523static struct snd_soc_dai_driver cpcap_dai[] = {
1524{
1525        .id = 0,
1526        .name = "cpcap-hifi",
1527        .playback = {
1528                .stream_name = "HiFi Playback",
1529                .channels_min = 2,
1530                .channels_max = 2,
1531                .rates = SNDRV_PCM_RATE_8000_48000,
1532                .formats = SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FORMAT_S24_LE,
1533        },
1534        .ops = &cpcap_dai_hifi_ops,
1535},
1536{
1537        .id = 1,
1538        .name = "cpcap-voice",
1539        .playback = {
1540                .stream_name = "Voice Playback",
1541                .channels_min = 1,
1542                .channels_max = 1,
1543                .rates = SNDRV_PCM_RATE_8000_48000,
1544                .formats = SNDRV_PCM_FMTBIT_S16_LE,
1545        },
1546        .capture = {
1547                .stream_name = "Voice Capture",
1548                .channels_min = 1,
1549                .channels_max = 2,
1550                .rates = SNDRV_PCM_RATE_8000_48000,
1551                .formats = SNDRV_PCM_FMTBIT_S16_LE,
1552        },
1553        .ops = &cpcap_dai_voice_ops,
1554},
1555};
1556
1557static int cpcap_dai_mux(struct cpcap_audio *cpcap, bool swap_dai_configuration)
1558{
1559        u16 hifi_val, voice_val;
1560        u16 hifi_mask = BIT(CPCAP_BIT_DIG_AUD_IN_ST_DAC);
1561        u16 voice_mask = BIT(CPCAP_BIT_DIG_AUD_IN);
1562        int err;
1563
1564
1565
1566        if (!swap_dai_configuration) {
1567                /* Codec on DAI0, HiFi on DAI1 */
1568                voice_val = 0;
1569                hifi_val = hifi_mask;
1570        } else {
1571                /* Codec on DAI1, HiFi on DAI0 */
1572                voice_val = voice_mask;
1573                hifi_val = 0;
1574        }
1575
1576        err = regmap_update_bits(cpcap->regmap, CPCAP_REG_CDI,
1577                                 voice_mask, voice_val);
1578        if (err)
1579                return err;
1580
1581        err = regmap_update_bits(cpcap->regmap, CPCAP_REG_SDACDI,
1582                                 hifi_mask, hifi_val);
1583        if (err)
1584                return err;
1585
1586        return 0;
1587}
1588
1589static int cpcap_audio_reset(struct snd_soc_component *component,
1590                             bool swap_dai_configuration)
1591{
1592        struct cpcap_audio *cpcap = snd_soc_component_get_drvdata(component);
1593        int i, err = 0;
1594
1595        dev_dbg(component->dev, "init audio codec");
1596
1597        for (i = 0; i < ARRAY_SIZE(cpcap_default_regs); i++) {
1598                err = regmap_update_bits(cpcap->regmap,
1599                                         cpcap_default_regs[i].reg,
1600                                         cpcap_default_regs[i].mask,
1601                                         cpcap_default_regs[i].val);
1602                if (err)
1603                        return err;
1604        }
1605
1606        /* setup default settings */
1607        err = cpcap_dai_mux(cpcap, swap_dai_configuration);
1608        if (err)
1609                return err;
1610
1611        err = cpcap_set_sysclk(cpcap, CPCAP_DAI_HIFI, 0, 26000000);
1612        if (err)
1613                return err;
1614        err = cpcap_set_sysclk(cpcap, CPCAP_DAI_VOICE, 0, 26000000);
1615        if (err)
1616                return err;
1617
1618        err = cpcap_set_samprate(cpcap, CPCAP_DAI_HIFI, 48000);
1619        if (err)
1620                return err;
1621
1622        err = cpcap_set_samprate(cpcap, CPCAP_DAI_VOICE, 48000);
1623        if (err)
1624                return err;
1625
1626        return 0;
1627}
1628
1629static int cpcap_soc_probe(struct snd_soc_component *component)
1630{
1631        struct cpcap_audio *cpcap;
1632        int err;
1633
1634        cpcap = devm_kzalloc(component->dev, sizeof(*cpcap), GFP_KERNEL);
1635        if (!cpcap)
1636                return -ENOMEM;
1637        snd_soc_component_set_drvdata(component, cpcap);
1638        cpcap->component = component;
1639
1640        cpcap->regmap = dev_get_regmap(component->dev->parent, NULL);
1641        if (!cpcap->regmap)
1642                return -ENODEV;
1643        snd_soc_component_init_regmap(component, cpcap->regmap);
1644
1645        err = cpcap_get_vendor(component->dev, cpcap->regmap, &cpcap->vendor);
1646        if (err)
1647                return err;
1648
1649        return cpcap_audio_reset(component, false);
1650}
1651
1652static struct snd_soc_component_driver soc_codec_dev_cpcap = {
1653        .probe                  = cpcap_soc_probe,
1654        .controls               = cpcap_snd_controls,
1655        .num_controls           = ARRAY_SIZE(cpcap_snd_controls),
1656        .dapm_widgets           = cpcap_dapm_widgets,
1657        .num_dapm_widgets       = ARRAY_SIZE(cpcap_dapm_widgets),
1658        .dapm_routes            = intercon,
1659        .num_dapm_routes        = ARRAY_SIZE(intercon),
1660        .idle_bias_on           = 1,
1661        .use_pmdown_time        = 1,
1662        .endianness             = 1,
1663        .non_legacy_dai_naming  = 1,
1664};
1665
1666static int cpcap_codec_probe(struct platform_device *pdev)
1667{
1668        struct device_node *codec_node =
1669                of_get_child_by_name(pdev->dev.parent->of_node, "audio-codec");
1670
1671        pdev->dev.of_node = codec_node;
1672
1673        return devm_snd_soc_register_component(&pdev->dev, &soc_codec_dev_cpcap,
1674                                      cpcap_dai, ARRAY_SIZE(cpcap_dai));
1675}
1676
1677static struct platform_driver cpcap_codec_driver = {
1678        .probe          = cpcap_codec_probe,
1679        .driver         = {
1680                .name   = "cpcap-codec",
1681        },
1682};
1683module_platform_driver(cpcap_codec_driver);
1684
1685MODULE_ALIAS("platform:cpcap-codec");
1686MODULE_DESCRIPTION("ASoC CPCAP codec driver");
1687MODULE_AUTHOR("Sebastian Reichel");
1688MODULE_LICENSE("GPL v2");
1689