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- // SPDX-License-Identifier: GPL-2.0
- /*
- * ALSA SoC CPCAP codec driver
- *
- * Copyright (C) 2017 - 2018 Sebastian Reichel <[email protected]>
- *
- * Very loosely based on original driver from Motorola:
- * Copyright (C) 2007 - 2009 Motorola, Inc.
- */
- #include <linux/module.h>
- #include <linux/regmap.h>
- #include <linux/platform_device.h>
- #include <linux/mfd/motorola-cpcap.h>
- #include <sound/core.h>
- #include <sound/soc.h>
- #include <sound/tlv.h>
- /* Register 512 CPCAP_REG_VAUDIOC --- Audio Regulator and Bias Voltage */
- #define CPCAP_BIT_AUDIO_LOW_PWR 6
- #define CPCAP_BIT_AUD_LOWPWR_SPEED 5
- #define CPCAP_BIT_VAUDIOPRISTBY 4
- #define CPCAP_BIT_VAUDIO_MODE1 2
- #define CPCAP_BIT_VAUDIO_MODE0 1
- #define CPCAP_BIT_V_AUDIO_EN 0
- /* Register 513 CPCAP_REG_CC --- CODEC */
- #define CPCAP_BIT_CDC_CLK2 15
- #define CPCAP_BIT_CDC_CLK1 14
- #define CPCAP_BIT_CDC_CLK0 13
- #define CPCAP_BIT_CDC_SR3 12
- #define CPCAP_BIT_CDC_SR2 11
- #define CPCAP_BIT_CDC_SR1 10
- #define CPCAP_BIT_CDC_SR0 9
- #define CPCAP_BIT_CDC_CLOCK_TREE_RESET 8
- #define CPCAP_BIT_MIC2_CDC_EN 7
- #define CPCAP_BIT_CDC_EN_RX 6
- #define CPCAP_BIT_DF_RESET 5
- #define CPCAP_BIT_MIC1_CDC_EN 4
- #define CPCAP_BIT_AUDOHPF_1 3
- #define CPCAP_BIT_AUDOHPF_0 2
- #define CPCAP_BIT_AUDIHPF_1 1
- #define CPCAP_BIT_AUDIHPF_0 0
- /* Register 514 CPCAP_REG_CDI --- CODEC Digital Audio Interface */
- #define CPCAP_BIT_CDC_PLL_SEL 15
- #define CPCAP_BIT_CLK_IN_SEL 13
- #define CPCAP_BIT_DIG_AUD_IN 12
- #define CPCAP_BIT_CDC_CLK_EN 11
- #define CPCAP_BIT_CDC_DIG_AUD_FS1 10
- #define CPCAP_BIT_CDC_DIG_AUD_FS0 9
- #define CPCAP_BIT_MIC2_TIMESLOT2 8
- #define CPCAP_BIT_MIC2_TIMESLOT1 7
- #define CPCAP_BIT_MIC2_TIMESLOT0 6
- #define CPCAP_BIT_MIC1_RX_TIMESLOT2 5
- #define CPCAP_BIT_MIC1_RX_TIMESLOT1 4
- #define CPCAP_BIT_MIC1_RX_TIMESLOT0 3
- #define CPCAP_BIT_FS_INV 2
- #define CPCAP_BIT_CLK_INV 1
- #define CPCAP_BIT_SMB_CDC 0
- /* Register 515 CPCAP_REG_SDAC --- Stereo DAC */
- #define CPCAP_BIT_FSYNC_CLK_IN_COMMON 11
- #define CPCAP_BIT_SLAVE_PLL_CLK_INPUT 10
- #define CPCAP_BIT_ST_CLOCK_TREE_RESET 9
- #define CPCAP_BIT_DF_RESET_ST_DAC 8
- #define CPCAP_BIT_ST_SR3 7
- #define CPCAP_BIT_ST_SR2 6
- #define CPCAP_BIT_ST_SR1 5
- #define CPCAP_BIT_ST_SR0 4
- #define CPCAP_BIT_ST_DAC_CLK2 3
- #define CPCAP_BIT_ST_DAC_CLK1 2
- #define CPCAP_BIT_ST_DAC_CLK0 1
- #define CPCAP_BIT_ST_DAC_EN 0
- /* Register 516 CPCAP_REG_SDACDI --- Stereo DAC Digital Audio Interface */
- #define CPCAP_BIT_ST_L_TIMESLOT2 13
- #define CPCAP_BIT_ST_L_TIMESLOT1 12
- #define CPCAP_BIT_ST_L_TIMESLOT0 11
- #define CPCAP_BIT_ST_R_TIMESLOT2 10
- #define CPCAP_BIT_ST_R_TIMESLOT1 9
- #define CPCAP_BIT_ST_R_TIMESLOT0 8
- #define CPCAP_BIT_ST_DAC_CLK_IN_SEL 7
- #define CPCAP_BIT_ST_FS_INV 6
- #define CPCAP_BIT_ST_CLK_INV 5
- #define CPCAP_BIT_ST_DIG_AUD_FS1 4
- #define CPCAP_BIT_ST_DIG_AUD_FS0 3
- #define CPCAP_BIT_DIG_AUD_IN_ST_DAC 2
- #define CPCAP_BIT_ST_CLK_EN 1
- #define CPCAP_BIT_SMB_ST_DAC 0
- /* Register 517 CPCAP_REG_TXI --- TX Interface */
- #define CPCAP_BIT_PTT_TH 15
- #define CPCAP_BIT_PTT_CMP_EN 14
- #define CPCAP_BIT_HS_ID_TX 13
- #define CPCAP_BIT_MB_ON2 12
- #define CPCAP_BIT_MB_ON1L 11
- #define CPCAP_BIT_MB_ON1R 10
- #define CPCAP_BIT_RX_L_ENCODE 9
- #define CPCAP_BIT_RX_R_ENCODE 8
- #define CPCAP_BIT_MIC2_MUX 7
- #define CPCAP_BIT_MIC2_PGA_EN 6
- #define CPCAP_BIT_CDET_DIS 5
- #define CPCAP_BIT_EMU_MIC_MUX 4
- #define CPCAP_BIT_HS_MIC_MUX 3
- #define CPCAP_BIT_MIC1_MUX 2
- #define CPCAP_BIT_MIC1_PGA_EN 1
- #define CPCAP_BIT_DLM 0
- /* Register 518 CPCAP_REG_TXMP --- Mic Gain */
- #define CPCAP_BIT_MB_BIAS_R1 11
- #define CPCAP_BIT_MB_BIAS_R0 10
- #define CPCAP_BIT_MIC2_GAIN_4 9
- #define CPCAP_BIT_MIC2_GAIN_3 8
- #define CPCAP_BIT_MIC2_GAIN_2 7
- #define CPCAP_BIT_MIC2_GAIN_1 6
- #define CPCAP_BIT_MIC2_GAIN_0 5
- #define CPCAP_BIT_MIC1_GAIN_4 4
- #define CPCAP_BIT_MIC1_GAIN_3 3
- #define CPCAP_BIT_MIC1_GAIN_2 2
- #define CPCAP_BIT_MIC1_GAIN_1 1
- #define CPCAP_BIT_MIC1_GAIN_0 0
- /* Register 519 CPCAP_REG_RXOA --- RX Output Amplifier */
- #define CPCAP_BIT_UNUSED_519_15 15
- #define CPCAP_BIT_UNUSED_519_14 14
- #define CPCAP_BIT_UNUSED_519_13 13
- #define CPCAP_BIT_STDAC_LOW_PWR_DISABLE 12
- #define CPCAP_BIT_HS_LOW_PWR 11
- #define CPCAP_BIT_HS_ID_RX 10
- #define CPCAP_BIT_ST_HS_CP_EN 9
- #define CPCAP_BIT_EMU_SPKR_R_EN 8
- #define CPCAP_BIT_EMU_SPKR_L_EN 7
- #define CPCAP_BIT_HS_L_EN 6
- #define CPCAP_BIT_HS_R_EN 5
- #define CPCAP_BIT_A4_LINEOUT_L_EN 4
- #define CPCAP_BIT_A4_LINEOUT_R_EN 3
- #define CPCAP_BIT_A2_LDSP_L_EN 2
- #define CPCAP_BIT_A2_LDSP_R_EN 1
- #define CPCAP_BIT_A1_EAR_EN 0
- /* Register 520 CPCAP_REG_RXVC --- RX Volume Control */
- #define CPCAP_BIT_VOL_EXT3 15
- #define CPCAP_BIT_VOL_EXT2 14
- #define CPCAP_BIT_VOL_EXT1 13
- #define CPCAP_BIT_VOL_EXT0 12
- #define CPCAP_BIT_VOL_DAC3 11
- #define CPCAP_BIT_VOL_DAC2 10
- #define CPCAP_BIT_VOL_DAC1 9
- #define CPCAP_BIT_VOL_DAC0 8
- #define CPCAP_BIT_VOL_DAC_LSB_1dB1 7
- #define CPCAP_BIT_VOL_DAC_LSB_1dB0 6
- #define CPCAP_BIT_VOL_CDC3 5
- #define CPCAP_BIT_VOL_CDC2 4
- #define CPCAP_BIT_VOL_CDC1 3
- #define CPCAP_BIT_VOL_CDC0 2
- #define CPCAP_BIT_VOL_CDC_LSB_1dB1 1
- #define CPCAP_BIT_VOL_CDC_LSB_1dB0 0
- /* Register 521 CPCAP_REG_RXCOA --- Codec to Output Amp Switches */
- #define CPCAP_BIT_PGA_CDC_EN 10
- #define CPCAP_BIT_CDC_SW 9
- #define CPCAP_BIT_PGA_OUTR_USBDP_CDC_SW 8
- #define CPCAP_BIT_PGA_OUTL_USBDN_CDC_SW 7
- #define CPCAP_BIT_ALEFT_HS_CDC_SW 6
- #define CPCAP_BIT_ARIGHT_HS_CDC_SW 5
- #define CPCAP_BIT_A4_LINEOUT_L_CDC_SW 4
- #define CPCAP_BIT_A4_LINEOUT_R_CDC_SW 3
- #define CPCAP_BIT_A2_LDSP_L_CDC_SW 2
- #define CPCAP_BIT_A2_LDSP_R_CDC_SW 1
- #define CPCAP_BIT_A1_EAR_CDC_SW 0
- /* Register 522 CPCAP_REG_RXSDOA --- RX Stereo DAC to Output Amp Switches */
- #define CPCAP_BIT_PGA_DAC_EN 12
- #define CPCAP_BIT_ST_DAC_SW 11
- #define CPCAP_BIT_MONO_DAC1 10
- #define CPCAP_BIT_MONO_DAC0 9
- #define CPCAP_BIT_PGA_OUTR_USBDP_DAC_SW 8
- #define CPCAP_BIT_PGA_OUTL_USBDN_DAC_SW 7
- #define CPCAP_BIT_ALEFT_HS_DAC_SW 6
- #define CPCAP_BIT_ARIGHT_HS_DAC_SW 5
- #define CPCAP_BIT_A4_LINEOUT_L_DAC_SW 4
- #define CPCAP_BIT_A4_LINEOUT_R_DAC_SW 3
- #define CPCAP_BIT_A2_LDSP_L_DAC_SW 2
- #define CPCAP_BIT_A2_LDSP_R_DAC_SW 1
- #define CPCAP_BIT_A1_EAR_DAC_SW 0
- /* Register 523 CPCAP_REG_RXEPOA --- RX External PGA to Output Amp Switches */
- #define CPCAP_BIT_PGA_EXT_L_EN 14
- #define CPCAP_BIT_PGA_EXT_R_EN 13
- #define CPCAP_BIT_PGA_IN_L_SW 12
- #define CPCAP_BIT_PGA_IN_R_SW 11
- #define CPCAP_BIT_MONO_EXT1 10
- #define CPCAP_BIT_MONO_EXT0 9
- #define CPCAP_BIT_PGA_OUTR_USBDP_EXT_SW 8
- #define CPCAP_BIT_PGA_OUTL_USBDN_EXT_SW 7
- #define CPCAP_BIT_ALEFT_HS_EXT_SW 6
- #define CPCAP_BIT_ARIGHT_HS_EXT_SW 5
- #define CPCAP_BIT_A4_LINEOUT_L_EXT_SW 4
- #define CPCAP_BIT_A4_LINEOUT_R_EXT_SW 3
- #define CPCAP_BIT_A2_LDSP_L_EXT_SW 2
- #define CPCAP_BIT_A2_LDSP_R_EXT_SW 1
- #define CPCAP_BIT_A1_EAR_EXT_SW 0
- /* Register 525 CPCAP_REG_A2LA --- SPK Amplifier and Clock Config for Headset */
- #define CPCAP_BIT_NCP_CLK_SYNC 7
- #define CPCAP_BIT_A2_CLK_SYNC 6
- #define CPCAP_BIT_A2_FREE_RUN 5
- #define CPCAP_BIT_A2_CLK2 4
- #define CPCAP_BIT_A2_CLK1 3
- #define CPCAP_BIT_A2_CLK0 2
- #define CPCAP_BIT_A2_CLK_IN 1
- #define CPCAP_BIT_A2_CONFIG 0
- #define SLEEP_ACTIVATE_POWER 2
- #define CLOCK_TREE_RESET_TIME 1
- /* constants for ST delay workaround */
- #define STM_STDAC_ACTIVATE_RAMP_TIME 1
- #define STM_STDAC_EN_TEST_PRE 0x090C
- #define STM_STDAC_EN_TEST_POST 0x0000
- #define STM_STDAC_EN_ST_TEST1_PRE 0x2400
- #define STM_STDAC_EN_ST_TEST1_POST 0x0400
- struct cpcap_reg_info {
- u16 reg;
- u16 mask;
- u16 val;
- };
- static const struct cpcap_reg_info cpcap_default_regs[] = {
- { CPCAP_REG_VAUDIOC, 0x003F, 0x0000 },
- { CPCAP_REG_CC, 0xFFFF, 0x0000 },
- { CPCAP_REG_CC, 0xFFFF, 0x0000 },
- { CPCAP_REG_CDI, 0xBFFF, 0x0000 },
- { CPCAP_REG_SDAC, 0x0FFF, 0x0000 },
- { CPCAP_REG_SDACDI, 0x3FFF, 0x0000 },
- { CPCAP_REG_TXI, 0x0FDF, 0x0000 },
- { CPCAP_REG_TXMP, 0x0FFF, 0x0400 },
- { CPCAP_REG_RXOA, 0x01FF, 0x0000 },
- { CPCAP_REG_RXVC, 0xFF3C, 0x0000 },
- { CPCAP_REG_RXCOA, 0x07FF, 0x0000 },
- { CPCAP_REG_RXSDOA, 0x1FFF, 0x0000 },
- { CPCAP_REG_RXEPOA, 0x7FFF, 0x0000 },
- { CPCAP_REG_A2LA, BIT(CPCAP_BIT_A2_FREE_RUN),
- BIT(CPCAP_BIT_A2_FREE_RUN) },
- };
- enum cpcap_dai {
- CPCAP_DAI_HIFI,
- CPCAP_DAI_VOICE,
- };
- struct cpcap_audio {
- struct snd_soc_component *component;
- struct regmap *regmap;
- u16 vendor;
- int codec_clk_id;
- int codec_freq;
- int codec_format;
- };
- static int cpcap_st_workaround(struct snd_soc_dapm_widget *w,
- struct snd_kcontrol *kcontrol, int event)
- {
- struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm);
- struct cpcap_audio *cpcap = snd_soc_component_get_drvdata(component);
- int err = 0;
- /* Only CPCAP from ST requires workaround */
- if (cpcap->vendor != CPCAP_VENDOR_ST)
- return 0;
- switch (event) {
- case SND_SOC_DAPM_PRE_PMU:
- err = regmap_write(cpcap->regmap, CPCAP_REG_TEST,
- STM_STDAC_EN_TEST_PRE);
- if (err)
- return err;
- err = regmap_write(cpcap->regmap, CPCAP_REG_ST_TEST1,
- STM_STDAC_EN_ST_TEST1_PRE);
- break;
- case SND_SOC_DAPM_POST_PMU:
- msleep(STM_STDAC_ACTIVATE_RAMP_TIME);
- err = regmap_write(cpcap->regmap, CPCAP_REG_ST_TEST1,
- STM_STDAC_EN_ST_TEST1_POST);
- if (err)
- return err;
- err = regmap_write(cpcap->regmap, CPCAP_REG_TEST,
- STM_STDAC_EN_TEST_POST);
- break;
- default:
- break;
- }
- return err;
- }
- /* Capture Gain Control: 0dB to 31dB in 1dB steps */
- static const DECLARE_TLV_DB_SCALE(mic_gain_tlv, 0, 100, 0);
- /* Playback Gain Control: -33dB to 12dB in 3dB steps */
- static const DECLARE_TLV_DB_SCALE(vol_tlv, -3300, 300, 0);
- static const struct snd_kcontrol_new cpcap_snd_controls[] = {
- /* Playback Gain */
- SOC_SINGLE_TLV("HiFi Playback Volume",
- CPCAP_REG_RXVC, CPCAP_BIT_VOL_DAC0, 0xF, 0, vol_tlv),
- SOC_SINGLE_TLV("Voice Playback Volume",
- CPCAP_REG_RXVC, CPCAP_BIT_VOL_CDC0, 0xF, 0, vol_tlv),
- SOC_SINGLE_TLV("Ext Playback Volume",
- CPCAP_REG_RXVC, CPCAP_BIT_VOL_EXT0, 0xF, 0, vol_tlv),
- /* Capture Gain */
- SOC_SINGLE_TLV("Mic1 Capture Volume",
- CPCAP_REG_TXMP, CPCAP_BIT_MIC1_GAIN_0, 0x1F, 0, mic_gain_tlv),
- SOC_SINGLE_TLV("Mic2 Capture Volume",
- CPCAP_REG_TXMP, CPCAP_BIT_MIC2_GAIN_0, 0x1F, 0, mic_gain_tlv),
- /* Phase Invert */
- SOC_SINGLE("Hifi Left Phase Invert Switch",
- CPCAP_REG_RXSDOA, CPCAP_BIT_MONO_DAC0, 1, 0),
- SOC_SINGLE("Ext Left Phase Invert Switch",
- CPCAP_REG_RXEPOA, CPCAP_BIT_MONO_EXT0, 1, 0),
- };
- static const char * const cpcap_out_mux_texts[] = {
- "Off", "Voice", "HiFi", "Ext"
- };
- static const char * const cpcap_in_right_mux_texts[] = {
- "Off", "Mic 1", "Headset Mic", "EMU Mic", "Ext Right"
- };
- static const char * const cpcap_in_left_mux_texts[] = {
- "Off", "Mic 2", "Ext Left"
- };
- /*
- * input muxes use unusual register layout, so that we need to use custom
- * getter/setter methods
- */
- static SOC_ENUM_SINGLE_EXT_DECL(cpcap_input_left_mux_enum,
- cpcap_in_left_mux_texts);
- static SOC_ENUM_SINGLE_EXT_DECL(cpcap_input_right_mux_enum,
- cpcap_in_right_mux_texts);
- /*
- * mux uses same bit in CPCAP_REG_RXCOA, CPCAP_REG_RXSDOA & CPCAP_REG_RXEPOA;
- * even though the register layout makes it look like a mixer, this is a mux.
- * Enabling multiple inputs will result in no audio being forwarded.
- */
- static SOC_ENUM_SINGLE_DECL(cpcap_earpiece_mux_enum, 0, 0, cpcap_out_mux_texts);
- static SOC_ENUM_SINGLE_DECL(cpcap_spkr_r_mux_enum, 0, 1, cpcap_out_mux_texts);
- static SOC_ENUM_SINGLE_DECL(cpcap_spkr_l_mux_enum, 0, 2, cpcap_out_mux_texts);
- static SOC_ENUM_SINGLE_DECL(cpcap_line_r_mux_enum, 0, 3, cpcap_out_mux_texts);
- static SOC_ENUM_SINGLE_DECL(cpcap_line_l_mux_enum, 0, 4, cpcap_out_mux_texts);
- static SOC_ENUM_SINGLE_DECL(cpcap_hs_r_mux_enum, 0, 5, cpcap_out_mux_texts);
- static SOC_ENUM_SINGLE_DECL(cpcap_hs_l_mux_enum, 0, 6, cpcap_out_mux_texts);
- static SOC_ENUM_SINGLE_DECL(cpcap_emu_l_mux_enum, 0, 7, cpcap_out_mux_texts);
- static SOC_ENUM_SINGLE_DECL(cpcap_emu_r_mux_enum, 0, 8, cpcap_out_mux_texts);
- static int cpcap_output_mux_get_enum(struct snd_kcontrol *kcontrol,
- struct snd_ctl_elem_value *ucontrol)
- {
- struct snd_soc_component *component = snd_soc_dapm_kcontrol_component(kcontrol);
- struct cpcap_audio *cpcap = snd_soc_component_get_drvdata(component);
- struct soc_enum *e = (struct soc_enum *)kcontrol->private_value;
- unsigned int shift = e->shift_l;
- int reg_voice, reg_hifi, reg_ext, status;
- int err;
- err = regmap_read(cpcap->regmap, CPCAP_REG_RXCOA, ®_voice);
- if (err)
- return err;
- err = regmap_read(cpcap->regmap, CPCAP_REG_RXSDOA, ®_hifi);
- if (err)
- return err;
- err = regmap_read(cpcap->regmap, CPCAP_REG_RXEPOA, ®_ext);
- if (err)
- return err;
- reg_voice = (reg_voice >> shift) & 1;
- reg_hifi = (reg_hifi >> shift) & 1;
- reg_ext = (reg_ext >> shift) & 1;
- status = reg_ext << 2 | reg_hifi << 1 | reg_voice;
- switch (status) {
- case 0x04:
- ucontrol->value.enumerated.item[0] = 3;
- break;
- case 0x02:
- ucontrol->value.enumerated.item[0] = 2;
- break;
- case 0x01:
- ucontrol->value.enumerated.item[0] = 1;
- break;
- default:
- ucontrol->value.enumerated.item[0] = 0;
- break;
- }
- return 0;
- }
- static int cpcap_output_mux_put_enum(struct snd_kcontrol *kcontrol,
- struct snd_ctl_elem_value *ucontrol)
- {
- struct snd_soc_component *component = snd_soc_dapm_kcontrol_component(kcontrol);
- struct cpcap_audio *cpcap = snd_soc_component_get_drvdata(component);
- struct snd_soc_dapm_context *dapm =
- snd_soc_dapm_kcontrol_dapm(kcontrol);
- struct soc_enum *e = (struct soc_enum *)kcontrol->private_value;
- unsigned int muxval = ucontrol->value.enumerated.item[0];
- unsigned int mask = BIT(e->shift_l);
- u16 reg_voice = 0x00, reg_hifi = 0x00, reg_ext = 0x00;
- int err;
- switch (muxval) {
- case 1:
- reg_voice = mask;
- break;
- case 2:
- reg_hifi = mask;
- break;
- case 3:
- reg_ext = mask;
- break;
- default:
- break;
- }
- err = regmap_update_bits(cpcap->regmap, CPCAP_REG_RXCOA,
- mask, reg_voice);
- if (err)
- return err;
- err = regmap_update_bits(cpcap->regmap, CPCAP_REG_RXSDOA,
- mask, reg_hifi);
- if (err)
- return err;
- err = regmap_update_bits(cpcap->regmap, CPCAP_REG_RXEPOA,
- mask, reg_ext);
- if (err)
- return err;
- snd_soc_dapm_mux_update_power(dapm, kcontrol, muxval, e, NULL);
- return 0;
- }
- static int cpcap_input_right_mux_get_enum(struct snd_kcontrol *kcontrol,
- struct snd_ctl_elem_value *ucontrol)
- {
- struct snd_soc_component *component = snd_soc_dapm_kcontrol_component(kcontrol);
- struct cpcap_audio *cpcap = snd_soc_component_get_drvdata(component);
- int regval, mask;
- int err;
- err = regmap_read(cpcap->regmap, CPCAP_REG_TXI, ®val);
- if (err)
- return err;
- mask = 0;
- mask |= BIT(CPCAP_BIT_MIC1_MUX);
- mask |= BIT(CPCAP_BIT_HS_MIC_MUX);
- mask |= BIT(CPCAP_BIT_EMU_MIC_MUX);
- mask |= BIT(CPCAP_BIT_RX_R_ENCODE);
- switch (regval & mask) {
- case BIT(CPCAP_BIT_RX_R_ENCODE):
- ucontrol->value.enumerated.item[0] = 4;
- break;
- case BIT(CPCAP_BIT_EMU_MIC_MUX):
- ucontrol->value.enumerated.item[0] = 3;
- break;
- case BIT(CPCAP_BIT_HS_MIC_MUX):
- ucontrol->value.enumerated.item[0] = 2;
- break;
- case BIT(CPCAP_BIT_MIC1_MUX):
- ucontrol->value.enumerated.item[0] = 1;
- break;
- default:
- ucontrol->value.enumerated.item[0] = 0;
- break;
- }
- return 0;
- }
- static int cpcap_input_right_mux_put_enum(struct snd_kcontrol *kcontrol,
- struct snd_ctl_elem_value *ucontrol)
- {
- struct snd_soc_component *component = snd_soc_dapm_kcontrol_component(kcontrol);
- struct cpcap_audio *cpcap = snd_soc_component_get_drvdata(component);
- struct snd_soc_dapm_context *dapm =
- snd_soc_dapm_kcontrol_dapm(kcontrol);
- struct soc_enum *e = (struct soc_enum *)kcontrol->private_value;
- unsigned int muxval = ucontrol->value.enumerated.item[0];
- int regval = 0, mask;
- int err;
- mask = 0;
- mask |= BIT(CPCAP_BIT_MIC1_MUX);
- mask |= BIT(CPCAP_BIT_HS_MIC_MUX);
- mask |= BIT(CPCAP_BIT_EMU_MIC_MUX);
- mask |= BIT(CPCAP_BIT_RX_R_ENCODE);
- switch (muxval) {
- case 1:
- regval = BIT(CPCAP_BIT_MIC1_MUX);
- break;
- case 2:
- regval = BIT(CPCAP_BIT_HS_MIC_MUX);
- break;
- case 3:
- regval = BIT(CPCAP_BIT_EMU_MIC_MUX);
- break;
- case 4:
- regval = BIT(CPCAP_BIT_RX_R_ENCODE);
- break;
- default:
- break;
- }
- err = regmap_update_bits(cpcap->regmap, CPCAP_REG_TXI,
- mask, regval);
- if (err)
- return err;
- snd_soc_dapm_mux_update_power(dapm, kcontrol, muxval, e, NULL);
- return 0;
- }
- static int cpcap_input_left_mux_get_enum(struct snd_kcontrol *kcontrol,
- struct snd_ctl_elem_value *ucontrol)
- {
- struct snd_soc_component *component = snd_soc_dapm_kcontrol_component(kcontrol);
- struct cpcap_audio *cpcap = snd_soc_component_get_drvdata(component);
- int regval, mask;
- int err;
- err = regmap_read(cpcap->regmap, CPCAP_REG_TXI, ®val);
- if (err)
- return err;
- mask = 0;
- mask |= BIT(CPCAP_BIT_MIC2_MUX);
- mask |= BIT(CPCAP_BIT_RX_L_ENCODE);
- switch (regval & mask) {
- case BIT(CPCAP_BIT_RX_L_ENCODE):
- ucontrol->value.enumerated.item[0] = 2;
- break;
- case BIT(CPCAP_BIT_MIC2_MUX):
- ucontrol->value.enumerated.item[0] = 1;
- break;
- default:
- ucontrol->value.enumerated.item[0] = 0;
- break;
- }
- return 0;
- }
- static int cpcap_input_left_mux_put_enum(struct snd_kcontrol *kcontrol,
- struct snd_ctl_elem_value *ucontrol)
- {
- struct snd_soc_component *component = snd_soc_dapm_kcontrol_component(kcontrol);
- struct cpcap_audio *cpcap = snd_soc_component_get_drvdata(component);
- struct snd_soc_dapm_context *dapm =
- snd_soc_dapm_kcontrol_dapm(kcontrol);
- struct soc_enum *e = (struct soc_enum *)kcontrol->private_value;
- unsigned int muxval = ucontrol->value.enumerated.item[0];
- int regval = 0, mask;
- int err;
- mask = 0;
- mask |= BIT(CPCAP_BIT_MIC2_MUX);
- mask |= BIT(CPCAP_BIT_RX_L_ENCODE);
- switch (muxval) {
- case 1:
- regval = BIT(CPCAP_BIT_MIC2_MUX);
- break;
- case 2:
- regval = BIT(CPCAP_BIT_RX_L_ENCODE);
- break;
- default:
- break;
- }
- err = regmap_update_bits(cpcap->regmap, CPCAP_REG_TXI,
- mask, regval);
- if (err)
- return err;
- snd_soc_dapm_mux_update_power(dapm, kcontrol, muxval, e, NULL);
- return 0;
- }
- static const struct snd_kcontrol_new cpcap_input_left_mux =
- SOC_DAPM_ENUM_EXT("Input Left", cpcap_input_left_mux_enum,
- cpcap_input_left_mux_get_enum,
- cpcap_input_left_mux_put_enum);
- static const struct snd_kcontrol_new cpcap_input_right_mux =
- SOC_DAPM_ENUM_EXT("Input Right", cpcap_input_right_mux_enum,
- cpcap_input_right_mux_get_enum,
- cpcap_input_right_mux_put_enum);
- static const struct snd_kcontrol_new cpcap_emu_left_mux =
- SOC_DAPM_ENUM_EXT("EMU Left", cpcap_emu_l_mux_enum,
- cpcap_output_mux_get_enum, cpcap_output_mux_put_enum);
- static const struct snd_kcontrol_new cpcap_emu_right_mux =
- SOC_DAPM_ENUM_EXT("EMU Right", cpcap_emu_r_mux_enum,
- cpcap_output_mux_get_enum, cpcap_output_mux_put_enum);
- static const struct snd_kcontrol_new cpcap_hs_left_mux =
- SOC_DAPM_ENUM_EXT("Headset Left", cpcap_hs_l_mux_enum,
- cpcap_output_mux_get_enum, cpcap_output_mux_put_enum);
- static const struct snd_kcontrol_new cpcap_hs_right_mux =
- SOC_DAPM_ENUM_EXT("Headset Right", cpcap_hs_r_mux_enum,
- cpcap_output_mux_get_enum, cpcap_output_mux_put_enum);
- static const struct snd_kcontrol_new cpcap_line_left_mux =
- SOC_DAPM_ENUM_EXT("Line Left", cpcap_line_l_mux_enum,
- cpcap_output_mux_get_enum, cpcap_output_mux_put_enum);
- static const struct snd_kcontrol_new cpcap_line_right_mux =
- SOC_DAPM_ENUM_EXT("Line Right", cpcap_line_r_mux_enum,
- cpcap_output_mux_get_enum, cpcap_output_mux_put_enum);
- static const struct snd_kcontrol_new cpcap_speaker_left_mux =
- SOC_DAPM_ENUM_EXT("Speaker Left", cpcap_spkr_l_mux_enum,
- cpcap_output_mux_get_enum, cpcap_output_mux_put_enum);
- static const struct snd_kcontrol_new cpcap_speaker_right_mux =
- SOC_DAPM_ENUM_EXT("Speaker Right", cpcap_spkr_r_mux_enum,
- cpcap_output_mux_get_enum, cpcap_output_mux_put_enum);
- static const struct snd_kcontrol_new cpcap_earpiece_mux =
- SOC_DAPM_ENUM_EXT("Earpiece", cpcap_earpiece_mux_enum,
- cpcap_output_mux_get_enum, cpcap_output_mux_put_enum);
- static const struct snd_kcontrol_new cpcap_hifi_mono_mixer_controls[] = {
- SOC_DAPM_SINGLE("HiFi Mono Playback Switch",
- CPCAP_REG_RXSDOA, CPCAP_BIT_MONO_DAC1, 1, 0),
- };
- static const struct snd_kcontrol_new cpcap_ext_mono_mixer_controls[] = {
- SOC_DAPM_SINGLE("Ext Mono Playback Switch",
- CPCAP_REG_RXEPOA, CPCAP_BIT_MONO_EXT0, 1, 0),
- };
- static const struct snd_kcontrol_new cpcap_extr_mute_control =
- SOC_DAPM_SINGLE("Switch",
- CPCAP_REG_RXEPOA, CPCAP_BIT_PGA_IN_R_SW, 1, 0);
- static const struct snd_kcontrol_new cpcap_extl_mute_control =
- SOC_DAPM_SINGLE("Switch",
- CPCAP_REG_RXEPOA, CPCAP_BIT_PGA_IN_L_SW, 1, 0);
- static const struct snd_kcontrol_new cpcap_voice_loopback =
- SOC_DAPM_SINGLE("Switch",
- CPCAP_REG_TXI, CPCAP_BIT_DLM, 1, 0);
- static const struct snd_soc_dapm_widget cpcap_dapm_widgets[] = {
- /* DAIs */
- SND_SOC_DAPM_AIF_IN("HiFi RX", NULL, 0, SND_SOC_NOPM, 0, 0),
- SND_SOC_DAPM_AIF_IN("Voice RX", NULL, 0, SND_SOC_NOPM, 0, 0),
- SND_SOC_DAPM_AIF_OUT("Voice TX", NULL, 0, SND_SOC_NOPM, 0, 0),
- /* Power Supply */
- SND_SOC_DAPM_REGULATOR_SUPPLY("VAUDIO", SLEEP_ACTIVATE_POWER, 0),
- /* Highpass Filters */
- SND_SOC_DAPM_REG(snd_soc_dapm_pga, "Highpass Filter RX",
- CPCAP_REG_CC, CPCAP_BIT_AUDIHPF_0, 0x3, 0x3, 0x0),
- SND_SOC_DAPM_REG(snd_soc_dapm_pga, "Highpass Filter TX",
- CPCAP_REG_CC, CPCAP_BIT_AUDOHPF_0, 0x3, 0x3, 0x0),
- /* Clocks */
- SND_SOC_DAPM_SUPPLY("HiFi DAI Clock",
- CPCAP_REG_SDACDI, CPCAP_BIT_ST_CLK_EN, 0, NULL, 0),
- SND_SOC_DAPM_SUPPLY("Voice DAI Clock",
- CPCAP_REG_CDI, CPCAP_BIT_CDC_CLK_EN, 0, NULL, 0),
- /* Microphone Bias */
- SND_SOC_DAPM_SUPPLY("MIC1R Bias",
- CPCAP_REG_TXI, CPCAP_BIT_MB_ON1R, 0, NULL, 0),
- SND_SOC_DAPM_SUPPLY("MIC1L Bias",
- CPCAP_REG_TXI, CPCAP_BIT_MB_ON1L, 0, NULL, 0),
- SND_SOC_DAPM_SUPPLY("MIC2 Bias",
- CPCAP_REG_TXI, CPCAP_BIT_MB_ON2, 0, NULL, 0),
- /* Inputs */
- SND_SOC_DAPM_INPUT("MICR"),
- SND_SOC_DAPM_INPUT("HSMIC"),
- SND_SOC_DAPM_INPUT("EMUMIC"),
- SND_SOC_DAPM_INPUT("MICL"),
- SND_SOC_DAPM_INPUT("EXTR"),
- SND_SOC_DAPM_INPUT("EXTL"),
- /* Capture Route */
- SND_SOC_DAPM_MUX("Right Capture Route",
- SND_SOC_NOPM, 0, 0, &cpcap_input_right_mux),
- SND_SOC_DAPM_MUX("Left Capture Route",
- SND_SOC_NOPM, 0, 0, &cpcap_input_left_mux),
- /* Capture PGAs */
- SND_SOC_DAPM_PGA("Microphone 1 PGA",
- CPCAP_REG_TXI, CPCAP_BIT_MIC1_PGA_EN, 0, NULL, 0),
- SND_SOC_DAPM_PGA("Microphone 2 PGA",
- CPCAP_REG_TXI, CPCAP_BIT_MIC2_PGA_EN, 0, NULL, 0),
- /* ADC */
- SND_SOC_DAPM_ADC("ADC Right", NULL,
- CPCAP_REG_CC, CPCAP_BIT_MIC1_CDC_EN, 0),
- SND_SOC_DAPM_ADC("ADC Left", NULL,
- CPCAP_REG_CC, CPCAP_BIT_MIC2_CDC_EN, 0),
- /* DAC */
- SND_SOC_DAPM_DAC_E("DAC HiFi", NULL,
- CPCAP_REG_SDAC, CPCAP_BIT_ST_DAC_EN, 0,
- cpcap_st_workaround,
- SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMU),
- SND_SOC_DAPM_DAC_E("DAC Voice", NULL,
- CPCAP_REG_CC, CPCAP_BIT_CDC_EN_RX, 0,
- cpcap_st_workaround,
- SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMU),
- /* Playback PGA */
- SND_SOC_DAPM_PGA("HiFi PGA",
- CPCAP_REG_RXSDOA, CPCAP_BIT_PGA_DAC_EN, 0, NULL, 0),
- SND_SOC_DAPM_PGA("Voice PGA",
- CPCAP_REG_RXCOA, CPCAP_BIT_PGA_CDC_EN, 0, NULL, 0),
- SND_SOC_DAPM_PGA_E("Ext Right PGA",
- CPCAP_REG_RXEPOA, CPCAP_BIT_PGA_EXT_R_EN, 0,
- NULL, 0,
- cpcap_st_workaround,
- SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMU),
- SND_SOC_DAPM_PGA_E("Ext Left PGA",
- CPCAP_REG_RXEPOA, CPCAP_BIT_PGA_EXT_L_EN, 0,
- NULL, 0,
- cpcap_st_workaround,
- SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMU),
- /* Playback Switch */
- SND_SOC_DAPM_SWITCH("Ext Right Enable", SND_SOC_NOPM, 0, 0,
- &cpcap_extr_mute_control),
- SND_SOC_DAPM_SWITCH("Ext Left Enable", SND_SOC_NOPM, 0, 0,
- &cpcap_extl_mute_control),
- /* Loopback Switch */
- SND_SOC_DAPM_SWITCH("Voice Loopback", SND_SOC_NOPM, 0, 0,
- &cpcap_voice_loopback),
- /* Mono Mixer */
- SOC_MIXER_ARRAY("HiFi Mono Left Mixer", SND_SOC_NOPM, 0, 0,
- cpcap_hifi_mono_mixer_controls),
- SOC_MIXER_ARRAY("HiFi Mono Right Mixer", SND_SOC_NOPM, 0, 0,
- cpcap_hifi_mono_mixer_controls),
- SOC_MIXER_ARRAY("Ext Mono Left Mixer", SND_SOC_NOPM, 0, 0,
- cpcap_ext_mono_mixer_controls),
- SOC_MIXER_ARRAY("Ext Mono Right Mixer", SND_SOC_NOPM, 0, 0,
- cpcap_ext_mono_mixer_controls),
- /* Output Routes */
- SND_SOC_DAPM_MUX("Earpiece Playback Route", SND_SOC_NOPM, 0, 0,
- &cpcap_earpiece_mux),
- SND_SOC_DAPM_MUX("Speaker Right Playback Route", SND_SOC_NOPM, 0, 0,
- &cpcap_speaker_right_mux),
- SND_SOC_DAPM_MUX("Speaker Left Playback Route", SND_SOC_NOPM, 0, 0,
- &cpcap_speaker_left_mux),
- SND_SOC_DAPM_MUX("Lineout Right Playback Route", SND_SOC_NOPM, 0, 0,
- &cpcap_line_right_mux),
- SND_SOC_DAPM_MUX("Lineout Left Playback Route", SND_SOC_NOPM, 0, 0,
- &cpcap_line_left_mux),
- SND_SOC_DAPM_MUX("Headset Right Playback Route", SND_SOC_NOPM, 0, 0,
- &cpcap_hs_right_mux),
- SND_SOC_DAPM_MUX("Headset Left Playback Route", SND_SOC_NOPM, 0, 0,
- &cpcap_hs_left_mux),
- SND_SOC_DAPM_MUX("EMU Right Playback Route", SND_SOC_NOPM, 0, 0,
- &cpcap_emu_right_mux),
- SND_SOC_DAPM_MUX("EMU Left Playback Route", SND_SOC_NOPM, 0, 0,
- &cpcap_emu_left_mux),
- /* Output Amplifier */
- SND_SOC_DAPM_PGA("Earpiece PGA",
- CPCAP_REG_RXOA, CPCAP_BIT_A1_EAR_EN, 0, NULL, 0),
- SND_SOC_DAPM_PGA("Speaker Right PGA",
- CPCAP_REG_RXOA, CPCAP_BIT_A2_LDSP_R_EN, 0, NULL, 0),
- SND_SOC_DAPM_PGA("Speaker Left PGA",
- CPCAP_REG_RXOA, CPCAP_BIT_A2_LDSP_L_EN, 0, NULL, 0),
- SND_SOC_DAPM_PGA("Lineout Right PGA",
- CPCAP_REG_RXOA, CPCAP_BIT_A4_LINEOUT_R_EN, 0, NULL, 0),
- SND_SOC_DAPM_PGA("Lineout Left PGA",
- CPCAP_REG_RXOA, CPCAP_BIT_A4_LINEOUT_L_EN, 0, NULL, 0),
- SND_SOC_DAPM_PGA("Headset Right PGA",
- CPCAP_REG_RXOA, CPCAP_BIT_HS_R_EN, 0, NULL, 0),
- SND_SOC_DAPM_PGA("Headset Left PGA",
- CPCAP_REG_RXOA, CPCAP_BIT_HS_L_EN, 0, NULL, 0),
- SND_SOC_DAPM_PGA("EMU Right PGA",
- CPCAP_REG_RXOA, CPCAP_BIT_EMU_SPKR_R_EN, 0, NULL, 0),
- SND_SOC_DAPM_PGA("EMU Left PGA",
- CPCAP_REG_RXOA, CPCAP_BIT_EMU_SPKR_L_EN, 0, NULL, 0),
- /* Headet Charge Pump */
- SND_SOC_DAPM_SUPPLY("Headset Charge Pump",
- CPCAP_REG_RXOA, CPCAP_BIT_ST_HS_CP_EN, 0, NULL, 0),
- /* Outputs */
- SND_SOC_DAPM_OUTPUT("EP"),
- SND_SOC_DAPM_OUTPUT("SPKR"),
- SND_SOC_DAPM_OUTPUT("SPKL"),
- SND_SOC_DAPM_OUTPUT("LINER"),
- SND_SOC_DAPM_OUTPUT("LINEL"),
- SND_SOC_DAPM_OUTPUT("HSR"),
- SND_SOC_DAPM_OUTPUT("HSL"),
- SND_SOC_DAPM_OUTPUT("EMUR"),
- SND_SOC_DAPM_OUTPUT("EMUL"),
- };
- static const struct snd_soc_dapm_route intercon[] = {
- /* Power Supply */
- {"HiFi PGA", NULL, "VAUDIO"},
- {"Voice PGA", NULL, "VAUDIO"},
- {"Ext Right PGA", NULL, "VAUDIO"},
- {"Ext Left PGA", NULL, "VAUDIO"},
- {"Microphone 1 PGA", NULL, "VAUDIO"},
- {"Microphone 2 PGA", NULL, "VAUDIO"},
- /* Stream -> AIF */
- {"HiFi RX", NULL, "HiFi Playback"},
- {"Voice RX", NULL, "Voice Playback"},
- {"Voice Capture", NULL, "Voice TX"},
- /* AIF clocks */
- {"HiFi RX", NULL, "HiFi DAI Clock"},
- {"Voice RX", NULL, "Voice DAI Clock"},
- {"Voice TX", NULL, "Voice DAI Clock"},
- /* Digital Loopback */
- {"Voice Loopback", "Switch", "Voice TX"},
- {"Voice RX", NULL, "Voice Loopback"},
- /* Highpass Filters */
- {"Highpass Filter RX", NULL, "Voice RX"},
- {"Voice TX", NULL, "Highpass Filter TX"},
- /* AIF -> DAC mapping */
- {"DAC HiFi", NULL, "HiFi RX"},
- {"DAC Voice", NULL, "Highpass Filter RX"},
- /* DAC -> PGA */
- {"HiFi PGA", NULL, "DAC HiFi"},
- {"Voice PGA", NULL, "DAC Voice"},
- /* Ext Input -> PGA */
- {"Ext Right PGA", NULL, "EXTR"},
- {"Ext Left PGA", NULL, "EXTL"},
- /* Ext PGA -> Ext Playback Switch */
- {"Ext Right Enable", "Switch", "Ext Right PGA"},
- {"Ext Left Enable", "Switch", "Ext Left PGA"},
- /* HiFi PGA -> Mono Mixer */
- {"HiFi Mono Left Mixer", NULL, "HiFi PGA"},
- {"HiFi Mono Left Mixer", "HiFi Mono Playback Switch", "HiFi PGA"},
- {"HiFi Mono Right Mixer", NULL, "HiFi PGA"},
- {"HiFi Mono Right Mixer", "HiFi Mono Playback Switch", "HiFi PGA"},
- /* Ext Playback Switch -> Ext Mono Mixer */
- {"Ext Mono Right Mixer", NULL, "Ext Right Enable"},
- {"Ext Mono Right Mixer", "Ext Mono Playback Switch", "Ext Left Enable"},
- {"Ext Mono Left Mixer", NULL, "Ext Left Enable"},
- {"Ext Mono Left Mixer", "Ext Mono Playback Switch", "Ext Right Enable"},
- /* HiFi Mono Mixer -> Output Route */
- {"Earpiece Playback Route", "HiFi", "HiFi Mono Right Mixer"},
- {"Speaker Right Playback Route", "HiFi", "HiFi Mono Right Mixer"},
- {"Speaker Left Playback Route", "HiFi", "HiFi Mono Left Mixer"},
- {"Lineout Right Playback Route", "HiFi", "HiFi Mono Right Mixer"},
- {"Lineout Left Playback Route", "HiFi", "HiFi Mono Left Mixer"},
- {"Headset Right Playback Route", "HiFi", "HiFi Mono Right Mixer"},
- {"Headset Left Playback Route", "HiFi", "HiFi Mono Left Mixer"},
- {"EMU Right Playback Route", "HiFi", "HiFi Mono Right Mixer"},
- {"EMU Left Playback Route", "HiFi", "HiFi Mono Left Mixer"},
- /* Voice PGA -> Output Route */
- {"Earpiece Playback Route", "Voice", "Voice PGA"},
- {"Speaker Right Playback Route", "Voice", "Voice PGA"},
- {"Speaker Left Playback Route", "Voice", "Voice PGA"},
- {"Lineout Right Playback Route", "Voice", "Voice PGA"},
- {"Lineout Left Playback Route", "Voice", "Voice PGA"},
- {"Headset Right Playback Route", "Voice", "Voice PGA"},
- {"Headset Left Playback Route", "Voice", "Voice PGA"},
- {"EMU Right Playback Route", "Voice", "Voice PGA"},
- {"EMU Left Playback Route", "Voice", "Voice PGA"},
- /* Ext Mono Mixer -> Output Route */
- {"Earpiece Playback Route", "Ext", "Ext Mono Right Mixer"},
- {"Speaker Right Playback Route", "Ext", "Ext Mono Right Mixer"},
- {"Speaker Left Playback Route", "Ext", "Ext Mono Left Mixer"},
- {"Lineout Right Playback Route", "Ext", "Ext Mono Right Mixer"},
- {"Lineout Left Playback Route", "Ext", "Ext Mono Left Mixer"},
- {"Headset Right Playback Route", "Ext", "Ext Mono Right Mixer"},
- {"Headset Left Playback Route", "Ext", "Ext Mono Left Mixer"},
- {"EMU Right Playback Route", "Ext", "Ext Mono Right Mixer"},
- {"EMU Left Playback Route", "Ext", "Ext Mono Left Mixer"},
- /* Output Route -> Output Amplifier */
- {"Earpiece PGA", NULL, "Earpiece Playback Route"},
- {"Speaker Right PGA", NULL, "Speaker Right Playback Route"},
- {"Speaker Left PGA", NULL, "Speaker Left Playback Route"},
- {"Lineout Right PGA", NULL, "Lineout Right Playback Route"},
- {"Lineout Left PGA", NULL, "Lineout Left Playback Route"},
- {"Headset Right PGA", NULL, "Headset Right Playback Route"},
- {"Headset Left PGA", NULL, "Headset Left Playback Route"},
- {"EMU Right PGA", NULL, "EMU Right Playback Route"},
- {"EMU Left PGA", NULL, "EMU Left Playback Route"},
- /* Output Amplifier -> Output */
- {"EP", NULL, "Earpiece PGA"},
- {"SPKR", NULL, "Speaker Right PGA"},
- {"SPKL", NULL, "Speaker Left PGA"},
- {"LINER", NULL, "Lineout Right PGA"},
- {"LINEL", NULL, "Lineout Left PGA"},
- {"HSR", NULL, "Headset Right PGA"},
- {"HSL", NULL, "Headset Left PGA"},
- {"EMUR", NULL, "EMU Right PGA"},
- {"EMUL", NULL, "EMU Left PGA"},
- /* Headset Charge Pump -> Headset */
- {"HSR", NULL, "Headset Charge Pump"},
- {"HSL", NULL, "Headset Charge Pump"},
- /* Mic -> Mic Route */
- {"Right Capture Route", "Mic 1", "MICR"},
- {"Right Capture Route", "Headset Mic", "HSMIC"},
- {"Right Capture Route", "EMU Mic", "EMUMIC"},
- {"Right Capture Route", "Ext Right", "EXTR"},
- {"Left Capture Route", "Mic 2", "MICL"},
- {"Left Capture Route", "Ext Left", "EXTL"},
- /* Input Route -> Microphone PGA */
- {"Microphone 1 PGA", NULL, "Right Capture Route"},
- {"Microphone 2 PGA", NULL, "Left Capture Route"},
- /* Microphone PGA -> ADC */
- {"ADC Right", NULL, "Microphone 1 PGA"},
- {"ADC Left", NULL, "Microphone 2 PGA"},
- /* ADC -> Stream */
- {"Highpass Filter TX", NULL, "ADC Right"},
- {"Highpass Filter TX", NULL, "ADC Left"},
- /* Mic Bias */
- {"MICL", NULL, "MIC1L Bias"},
- {"MICR", NULL, "MIC1R Bias"},
- };
- static int cpcap_set_sysclk(struct cpcap_audio *cpcap, enum cpcap_dai dai,
- int clk_id, int freq)
- {
- u16 clkfreqreg, clkfreqshift;
- u16 clkfreqmask, clkfreqval;
- u16 clkidreg, clkidshift;
- u16 mask, val;
- int err;
- switch (dai) {
- case CPCAP_DAI_HIFI:
- clkfreqreg = CPCAP_REG_SDAC;
- clkfreqshift = CPCAP_BIT_ST_DAC_CLK0;
- clkidreg = CPCAP_REG_SDACDI;
- clkidshift = CPCAP_BIT_ST_DAC_CLK_IN_SEL;
- break;
- case CPCAP_DAI_VOICE:
- clkfreqreg = CPCAP_REG_CC;
- clkfreqshift = CPCAP_BIT_CDC_CLK0;
- clkidreg = CPCAP_REG_CDI;
- clkidshift = CPCAP_BIT_CLK_IN_SEL;
- break;
- default:
- dev_err(cpcap->component->dev, "invalid DAI: %d", dai);
- return -EINVAL;
- }
- /* setup clk id */
- if (clk_id < 0 || clk_id > 1) {
- dev_err(cpcap->component->dev, "invalid clk id %d", clk_id);
- return -EINVAL;
- }
- err = regmap_update_bits(cpcap->regmap, clkidreg, BIT(clkidshift),
- clk_id ? BIT(clkidshift) : 0);
- if (err)
- return err;
- /* enable PLL for Voice DAI */
- if (dai == CPCAP_DAI_VOICE) {
- mask = BIT(CPCAP_BIT_CDC_PLL_SEL);
- val = BIT(CPCAP_BIT_CDC_PLL_SEL);
- err = regmap_update_bits(cpcap->regmap, CPCAP_REG_CDI,
- mask, val);
- if (err)
- return err;
- }
- /* setup frequency */
- clkfreqmask = 0x7 << clkfreqshift;
- switch (freq) {
- case 15360000:
- clkfreqval = 0x01 << clkfreqshift;
- break;
- case 16800000:
- clkfreqval = 0x02 << clkfreqshift;
- break;
- case 19200000:
- clkfreqval = 0x03 << clkfreqshift;
- break;
- case 26000000:
- clkfreqval = 0x04 << clkfreqshift;
- break;
- case 33600000:
- clkfreqval = 0x05 << clkfreqshift;
- break;
- case 38400000:
- clkfreqval = 0x06 << clkfreqshift;
- break;
- default:
- dev_err(cpcap->component->dev, "unsupported freq %u", freq);
- return -EINVAL;
- }
- err = regmap_update_bits(cpcap->regmap, clkfreqreg,
- clkfreqmask, clkfreqval);
- if (err)
- return err;
- if (dai == CPCAP_DAI_VOICE) {
- cpcap->codec_clk_id = clk_id;
- cpcap->codec_freq = freq;
- }
- return 0;
- }
- static int cpcap_set_samprate(struct cpcap_audio *cpcap, enum cpcap_dai dai,
- int samplerate)
- {
- struct snd_soc_component *component = cpcap->component;
- u16 sampreg, sampmask, sampshift, sampval, sampreset;
- int err, sampreadval;
- switch (dai) {
- case CPCAP_DAI_HIFI:
- sampreg = CPCAP_REG_SDAC;
- sampshift = CPCAP_BIT_ST_SR0;
- sampreset = BIT(CPCAP_BIT_DF_RESET_ST_DAC) |
- BIT(CPCAP_BIT_ST_CLOCK_TREE_RESET);
- break;
- case CPCAP_DAI_VOICE:
- sampreg = CPCAP_REG_CC;
- sampshift = CPCAP_BIT_CDC_SR0;
- sampreset = BIT(CPCAP_BIT_DF_RESET) |
- BIT(CPCAP_BIT_CDC_CLOCK_TREE_RESET);
- break;
- default:
- dev_err(component->dev, "invalid DAI: %d", dai);
- return -EINVAL;
- }
- sampmask = 0xF << sampshift | sampreset;
- switch (samplerate) {
- case 48000:
- sampval = 0x8 << sampshift;
- break;
- case 44100:
- sampval = 0x7 << sampshift;
- break;
- case 32000:
- sampval = 0x6 << sampshift;
- break;
- case 24000:
- sampval = 0x5 << sampshift;
- break;
- case 22050:
- sampval = 0x4 << sampshift;
- break;
- case 16000:
- sampval = 0x3 << sampshift;
- break;
- case 12000:
- sampval = 0x2 << sampshift;
- break;
- case 11025:
- sampval = 0x1 << sampshift;
- break;
- case 8000:
- sampval = 0x0 << sampshift;
- break;
- default:
- dev_err(component->dev, "unsupported samplerate %d", samplerate);
- return -EINVAL;
- }
- err = regmap_update_bits(cpcap->regmap, sampreg,
- sampmask, sampval | sampreset);
- if (err)
- return err;
- /* Wait for clock tree reset to complete */
- mdelay(CLOCK_TREE_RESET_TIME);
- err = regmap_read(cpcap->regmap, sampreg, &sampreadval);
- if (err)
- return err;
- if (sampreadval & sampreset) {
- dev_err(component->dev, "reset self-clear failed: %04x",
- sampreadval);
- return -EIO;
- }
- return 0;
- }
- static int cpcap_hifi_hw_params(struct snd_pcm_substream *substream,
- struct snd_pcm_hw_params *params,
- struct snd_soc_dai *dai)
- {
- struct snd_soc_component *component = dai->component;
- struct cpcap_audio *cpcap = snd_soc_component_get_drvdata(component);
- int rate = params_rate(params);
- dev_dbg(component->dev, "HiFi setup HW params: rate=%d", rate);
- return cpcap_set_samprate(cpcap, CPCAP_DAI_HIFI, rate);
- }
- static int cpcap_hifi_set_dai_sysclk(struct snd_soc_dai *codec_dai, int clk_id,
- unsigned int freq, int dir)
- {
- struct snd_soc_component *component = codec_dai->component;
- struct cpcap_audio *cpcap = snd_soc_component_get_drvdata(component);
- struct device *dev = component->dev;
- dev_dbg(dev, "HiFi setup sysclk: clk_id=%u, freq=%u", clk_id, freq);
- return cpcap_set_sysclk(cpcap, CPCAP_DAI_HIFI, clk_id, freq);
- }
- static int cpcap_hifi_set_dai_fmt(struct snd_soc_dai *codec_dai,
- unsigned int fmt)
- {
- struct snd_soc_component *component = codec_dai->component;
- struct cpcap_audio *cpcap = snd_soc_component_get_drvdata(component);
- struct device *dev = component->dev;
- static const u16 reg = CPCAP_REG_SDACDI;
- static const u16 mask =
- BIT(CPCAP_BIT_SMB_ST_DAC) |
- BIT(CPCAP_BIT_ST_CLK_INV) |
- BIT(CPCAP_BIT_ST_FS_INV) |
- BIT(CPCAP_BIT_ST_DIG_AUD_FS0) |
- BIT(CPCAP_BIT_ST_DIG_AUD_FS1) |
- BIT(CPCAP_BIT_ST_L_TIMESLOT0) |
- BIT(CPCAP_BIT_ST_L_TIMESLOT1) |
- BIT(CPCAP_BIT_ST_L_TIMESLOT2) |
- BIT(CPCAP_BIT_ST_R_TIMESLOT0) |
- BIT(CPCAP_BIT_ST_R_TIMESLOT1) |
- BIT(CPCAP_BIT_ST_R_TIMESLOT2);
- u16 val = 0x0000;
- dev_dbg(dev, "HiFi setup dai format (%08x)", fmt);
- /*
- * "HiFi Playback" should always be configured as
- * SND_SOC_DAIFMT_CBP_CFP - codec clk & frm provider
- * SND_SOC_DAIFMT_I2S - I2S mode
- */
- switch (fmt & SND_SOC_DAIFMT_CLOCK_PROVIDER_MASK) {
- case SND_SOC_DAIFMT_CBP_CFP:
- val &= ~BIT(CPCAP_BIT_SMB_ST_DAC);
- break;
- default:
- dev_err(dev, "HiFi dai fmt failed: CPCAP should be provider");
- return -EINVAL;
- }
- switch (fmt & SND_SOC_DAIFMT_INV_MASK) {
- case SND_SOC_DAIFMT_IB_IF:
- val |= BIT(CPCAP_BIT_ST_FS_INV);
- val |= BIT(CPCAP_BIT_ST_CLK_INV);
- break;
- case SND_SOC_DAIFMT_IB_NF:
- val &= ~BIT(CPCAP_BIT_ST_FS_INV);
- val |= BIT(CPCAP_BIT_ST_CLK_INV);
- break;
- case SND_SOC_DAIFMT_NB_IF:
- val |= BIT(CPCAP_BIT_ST_FS_INV);
- val &= ~BIT(CPCAP_BIT_ST_CLK_INV);
- break;
- case SND_SOC_DAIFMT_NB_NF:
- val &= ~BIT(CPCAP_BIT_ST_FS_INV);
- val &= ~BIT(CPCAP_BIT_ST_CLK_INV);
- break;
- default:
- dev_err(dev, "HiFi dai fmt failed: unsupported clock invert mode");
- return -EINVAL;
- }
- if (val & BIT(CPCAP_BIT_ST_CLK_INV))
- val &= ~BIT(CPCAP_BIT_ST_CLK_INV);
- else
- val |= BIT(CPCAP_BIT_ST_CLK_INV);
- switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
- case SND_SOC_DAIFMT_I2S:
- val |= BIT(CPCAP_BIT_ST_DIG_AUD_FS0);
- val |= BIT(CPCAP_BIT_ST_DIG_AUD_FS1);
- break;
- default:
- /* 01 - 4 slots network mode */
- val |= BIT(CPCAP_BIT_ST_DIG_AUD_FS0);
- val &= ~BIT(CPCAP_BIT_ST_DIG_AUD_FS1);
- /* L on slot 1 */
- val |= BIT(CPCAP_BIT_ST_L_TIMESLOT0);
- break;
- }
- dev_dbg(dev, "HiFi dai format: val=%04x", val);
- return regmap_update_bits(cpcap->regmap, reg, mask, val);
- }
- static int cpcap_hifi_set_mute(struct snd_soc_dai *dai, int mute, int direction)
- {
- struct snd_soc_component *component = dai->component;
- struct cpcap_audio *cpcap = snd_soc_component_get_drvdata(component);
- static const u16 reg = CPCAP_REG_RXSDOA;
- static const u16 mask = BIT(CPCAP_BIT_ST_DAC_SW);
- u16 val;
- if (mute)
- val = 0;
- else
- val = BIT(CPCAP_BIT_ST_DAC_SW);
- dev_dbg(component->dev, "HiFi mute: %d", mute);
- return regmap_update_bits(cpcap->regmap, reg, mask, val);
- }
- static const struct snd_soc_dai_ops cpcap_dai_hifi_ops = {
- .hw_params = cpcap_hifi_hw_params,
- .set_sysclk = cpcap_hifi_set_dai_sysclk,
- .set_fmt = cpcap_hifi_set_dai_fmt,
- .mute_stream = cpcap_hifi_set_mute,
- .no_capture_mute = 1,
- };
- static int cpcap_voice_hw_params(struct snd_pcm_substream *substream,
- struct snd_pcm_hw_params *params,
- struct snd_soc_dai *dai)
- {
- struct snd_soc_component *component = dai->component;
- struct device *dev = component->dev;
- struct cpcap_audio *cpcap = snd_soc_component_get_drvdata(component);
- static const u16 reg_cdi = CPCAP_REG_CDI;
- int rate = params_rate(params);
- int channels = params_channels(params);
- int direction = substream->stream;
- u16 val, mask;
- int err;
- dev_dbg(dev, "Voice setup HW params: rate=%d, direction=%d, chan=%d",
- rate, direction, channels);
- err = cpcap_set_samprate(cpcap, CPCAP_DAI_VOICE, rate);
- if (err)
- return err;
- if (direction == SNDRV_PCM_STREAM_CAPTURE) {
- mask = 0x0000;
- mask |= BIT(CPCAP_BIT_MIC1_RX_TIMESLOT0);
- mask |= BIT(CPCAP_BIT_MIC1_RX_TIMESLOT1);
- mask |= BIT(CPCAP_BIT_MIC1_RX_TIMESLOT2);
- mask |= BIT(CPCAP_BIT_MIC2_TIMESLOT0);
- mask |= BIT(CPCAP_BIT_MIC2_TIMESLOT1);
- mask |= BIT(CPCAP_BIT_MIC2_TIMESLOT2);
- val = 0x0000;
- if (channels >= 2)
- val = BIT(CPCAP_BIT_MIC1_RX_TIMESLOT0);
- err = regmap_update_bits(cpcap->regmap, reg_cdi, mask, val);
- if (err)
- return err;
- }
- return 0;
- }
- static int cpcap_voice_set_dai_sysclk(struct snd_soc_dai *codec_dai, int clk_id,
- unsigned int freq, int dir)
- {
- struct snd_soc_component *component = codec_dai->component;
- struct cpcap_audio *cpcap = snd_soc_component_get_drvdata(component);
- dev_dbg(component->dev, "Voice setup sysclk: clk_id=%u, freq=%u",
- clk_id, freq);
- return cpcap_set_sysclk(cpcap, CPCAP_DAI_VOICE, clk_id, freq);
- }
- static int cpcap_voice_set_dai_fmt(struct snd_soc_dai *codec_dai,
- unsigned int fmt)
- {
- struct snd_soc_component *component = codec_dai->component;
- struct cpcap_audio *cpcap = snd_soc_component_get_drvdata(component);
- static const u16 mask = BIT(CPCAP_BIT_SMB_CDC) |
- BIT(CPCAP_BIT_CLK_INV) |
- BIT(CPCAP_BIT_FS_INV) |
- BIT(CPCAP_BIT_CDC_DIG_AUD_FS0) |
- BIT(CPCAP_BIT_CDC_DIG_AUD_FS1);
- u16 val = 0x0000;
- int err;
- dev_dbg(component->dev, "Voice setup dai format (%08x)", fmt);
- /*
- * "Voice Playback" and "Voice Capture" should always be
- * configured as SND_SOC_DAIFMT_CBP_CFP - codec clk & frm
- * provider
- */
- switch (fmt & SND_SOC_DAIFMT_CLOCK_PROVIDER_MASK) {
- case SND_SOC_DAIFMT_CBP_CFP:
- val &= ~BIT(CPCAP_BIT_SMB_CDC);
- break;
- default:
- dev_err(component->dev, "Voice dai fmt failed: CPCAP should be the provider");
- val &= ~BIT(CPCAP_BIT_SMB_CDC);
- break;
- }
- switch (fmt & SND_SOC_DAIFMT_INV_MASK) {
- case SND_SOC_DAIFMT_IB_IF:
- val |= BIT(CPCAP_BIT_CLK_INV);
- val |= BIT(CPCAP_BIT_FS_INV);
- break;
- case SND_SOC_DAIFMT_IB_NF:
- val |= BIT(CPCAP_BIT_CLK_INV);
- val &= ~BIT(CPCAP_BIT_FS_INV);
- break;
- case SND_SOC_DAIFMT_NB_IF:
- val &= ~BIT(CPCAP_BIT_CLK_INV);
- val |= BIT(CPCAP_BIT_FS_INV);
- break;
- case SND_SOC_DAIFMT_NB_NF:
- val &= ~BIT(CPCAP_BIT_CLK_INV);
- val &= ~BIT(CPCAP_BIT_FS_INV);
- break;
- default:
- dev_err(component->dev, "Voice dai fmt failed: unsupported clock invert mode");
- break;
- }
- if (val & BIT(CPCAP_BIT_CLK_INV))
- val &= ~BIT(CPCAP_BIT_CLK_INV);
- else
- val |= BIT(CPCAP_BIT_CLK_INV);
- switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
- case SND_SOC_DAIFMT_I2S:
- /* 11 - true I2S mode */
- val |= BIT(CPCAP_BIT_CDC_DIG_AUD_FS0);
- val |= BIT(CPCAP_BIT_CDC_DIG_AUD_FS1);
- break;
- default:
- /* 4 timeslots network mode */
- val |= BIT(CPCAP_BIT_CDC_DIG_AUD_FS0);
- val &= ~BIT(CPCAP_BIT_CDC_DIG_AUD_FS1);
- break;
- }
- dev_dbg(component->dev, "Voice dai format: val=%04x", val);
- err = regmap_update_bits(cpcap->regmap, CPCAP_REG_CDI, mask, val);
- if (err)
- return err;
- cpcap->codec_format = val;
- return 0;
- }
- /*
- * Configure codec for voice call if requested.
- *
- * We can configure most with snd_soc_dai_set_sysclk(), snd_soc_dai_set_fmt()
- * and snd_soc_dai_set_tdm_slot(). This function configures the rest of the
- * cpcap related hardware as CPU is not involved in the voice call.
- */
- static int cpcap_voice_call(struct cpcap_audio *cpcap, struct snd_soc_dai *dai,
- bool voice_call)
- {
- int mask, err;
- /* Modem to codec VAUDIO_MODE1 */
- mask = BIT(CPCAP_BIT_VAUDIO_MODE1);
- err = regmap_update_bits(cpcap->regmap, CPCAP_REG_VAUDIOC,
- mask, voice_call ? mask : 0);
- if (err)
- return err;
- /* Clear MIC1_MUX for call */
- mask = BIT(CPCAP_BIT_MIC1_MUX);
- err = regmap_update_bits(cpcap->regmap, CPCAP_REG_TXI,
- mask, voice_call ? 0 : mask);
- if (err)
- return err;
- /* Set MIC2_MUX for call */
- mask = BIT(CPCAP_BIT_MB_ON1L) | BIT(CPCAP_BIT_MB_ON1R) |
- BIT(CPCAP_BIT_MIC2_MUX) | BIT(CPCAP_BIT_MIC2_PGA_EN);
- err = regmap_update_bits(cpcap->regmap, CPCAP_REG_TXI,
- mask, voice_call ? mask : 0);
- if (err)
- return err;
- /* Enable LDSP for call */
- mask = BIT(CPCAP_BIT_A2_LDSP_L_EN) | BIT(CPCAP_BIT_A2_LDSP_R_EN);
- err = regmap_update_bits(cpcap->regmap, CPCAP_REG_RXOA,
- mask, voice_call ? mask : 0);
- if (err)
- return err;
- /* Enable CPCAP_BIT_PGA_CDC_EN for call */
- mask = BIT(CPCAP_BIT_PGA_CDC_EN);
- err = regmap_update_bits(cpcap->regmap, CPCAP_REG_RXCOA,
- mask, voice_call ? mask : 0);
- if (err)
- return err;
- /* Unmute voice for call */
- if (dai) {
- err = snd_soc_dai_digital_mute(dai, !voice_call,
- SNDRV_PCM_STREAM_PLAYBACK);
- if (err)
- return err;
- }
- /* Set modem to codec mic CDC and HPF for call */
- mask = BIT(CPCAP_BIT_MIC2_CDC_EN) | BIT(CPCAP_BIT_CDC_EN_RX) |
- BIT(CPCAP_BIT_AUDOHPF_1) | BIT(CPCAP_BIT_AUDOHPF_0) |
- BIT(CPCAP_BIT_AUDIHPF_1) | BIT(CPCAP_BIT_AUDIHPF_0);
- err = regmap_update_bits(cpcap->regmap, CPCAP_REG_CC,
- mask, voice_call ? mask : 0);
- if (err)
- return err;
- /* Enable modem to codec CDC for call*/
- mask = BIT(CPCAP_BIT_CDC_CLK_EN);
- err = regmap_update_bits(cpcap->regmap, CPCAP_REG_CDI,
- mask, voice_call ? mask : 0);
- return err;
- }
- static int cpcap_voice_set_tdm_slot(struct snd_soc_dai *dai,
- unsigned int tx_mask, unsigned int rx_mask,
- int slots, int slot_width)
- {
- struct snd_soc_component *component = dai->component;
- struct cpcap_audio *cpcap = snd_soc_component_get_drvdata(component);
- int err, ts_mask, mask;
- bool voice_call;
- /*
- * Primitive test for voice call, probably needs more checks
- * later on for 16-bit calls detected, Bluetooth headset etc.
- */
- if (tx_mask == 0 && rx_mask == 1 && slot_width == 8)
- voice_call = true;
- else
- voice_call = false;
- ts_mask = 0x7 << CPCAP_BIT_MIC2_TIMESLOT0;
- ts_mask |= 0x7 << CPCAP_BIT_MIC1_RX_TIMESLOT0;
- mask = (tx_mask & 0x7) << CPCAP_BIT_MIC2_TIMESLOT0;
- mask |= (rx_mask & 0x7) << CPCAP_BIT_MIC1_RX_TIMESLOT0;
- err = regmap_update_bits(cpcap->regmap, CPCAP_REG_CDI,
- ts_mask, mask);
- if (err)
- return err;
- err = cpcap_set_samprate(cpcap, CPCAP_DAI_VOICE, slot_width * 1000);
- if (err)
- return err;
- err = cpcap_voice_call(cpcap, dai, voice_call);
- if (err)
- return err;
- return 0;
- }
- static int cpcap_voice_set_mute(struct snd_soc_dai *dai, int mute, int direction)
- {
- struct snd_soc_component *component = dai->component;
- struct cpcap_audio *cpcap = snd_soc_component_get_drvdata(component);
- static const u16 reg = CPCAP_REG_RXCOA;
- static const u16 mask = BIT(CPCAP_BIT_CDC_SW);
- u16 val;
- if (mute)
- val = 0;
- else
- val = BIT(CPCAP_BIT_CDC_SW);
- dev_dbg(component->dev, "Voice mute: %d", mute);
- return regmap_update_bits(cpcap->regmap, reg, mask, val);
- };
- static const struct snd_soc_dai_ops cpcap_dai_voice_ops = {
- .hw_params = cpcap_voice_hw_params,
- .set_sysclk = cpcap_voice_set_dai_sysclk,
- .set_fmt = cpcap_voice_set_dai_fmt,
- .set_tdm_slot = cpcap_voice_set_tdm_slot,
- .mute_stream = cpcap_voice_set_mute,
- .no_capture_mute = 1,
- };
- static struct snd_soc_dai_driver cpcap_dai[] = {
- {
- .id = 0,
- .name = "cpcap-hifi",
- .playback = {
- .stream_name = "HiFi Playback",
- .channels_min = 2,
- .channels_max = 2,
- .rates = SNDRV_PCM_RATE_8000_48000,
- .formats = SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FORMAT_S24_LE,
- },
- .ops = &cpcap_dai_hifi_ops,
- },
- {
- .id = 1,
- .name = "cpcap-voice",
- .playback = {
- .stream_name = "Voice Playback",
- .channels_min = 1,
- .channels_max = 1,
- .rates = SNDRV_PCM_RATE_8000_48000,
- .formats = SNDRV_PCM_FMTBIT_S16_LE,
- },
- .capture = {
- .stream_name = "Voice Capture",
- .channels_min = 1,
- .channels_max = 2,
- .rates = SNDRV_PCM_RATE_8000_48000,
- .formats = SNDRV_PCM_FMTBIT_S16_LE,
- },
- .ops = &cpcap_dai_voice_ops,
- },
- };
- static int cpcap_dai_mux(struct cpcap_audio *cpcap, bool swap_dai_configuration)
- {
- u16 hifi_val, voice_val;
- u16 hifi_mask = BIT(CPCAP_BIT_DIG_AUD_IN_ST_DAC);
- u16 voice_mask = BIT(CPCAP_BIT_DIG_AUD_IN);
- int err;
- if (!swap_dai_configuration) {
- /* Codec on DAI0, HiFi on DAI1 */
- voice_val = 0;
- hifi_val = hifi_mask;
- } else {
- /* Codec on DAI1, HiFi on DAI0 */
- voice_val = voice_mask;
- hifi_val = 0;
- }
- err = regmap_update_bits(cpcap->regmap, CPCAP_REG_CDI,
- voice_mask, voice_val);
- if (err)
- return err;
- err = regmap_update_bits(cpcap->regmap, CPCAP_REG_SDACDI,
- hifi_mask, hifi_val);
- if (err)
- return err;
- return 0;
- }
- static int cpcap_audio_reset(struct snd_soc_component *component,
- bool swap_dai_configuration)
- {
- struct cpcap_audio *cpcap = snd_soc_component_get_drvdata(component);
- int i, err = 0;
- dev_dbg(component->dev, "init audio codec");
- for (i = 0; i < ARRAY_SIZE(cpcap_default_regs); i++) {
- err = regmap_update_bits(cpcap->regmap,
- cpcap_default_regs[i].reg,
- cpcap_default_regs[i].mask,
- cpcap_default_regs[i].val);
- if (err)
- return err;
- }
- /* setup default settings */
- err = cpcap_dai_mux(cpcap, swap_dai_configuration);
- if (err)
- return err;
- err = cpcap_set_sysclk(cpcap, CPCAP_DAI_HIFI, 0, 26000000);
- if (err)
- return err;
- err = cpcap_set_sysclk(cpcap, CPCAP_DAI_VOICE, 0, 26000000);
- if (err)
- return err;
- err = cpcap_set_samprate(cpcap, CPCAP_DAI_HIFI, 48000);
- if (err)
- return err;
- err = cpcap_set_samprate(cpcap, CPCAP_DAI_VOICE, 48000);
- if (err)
- return err;
- return 0;
- }
- static int cpcap_soc_probe(struct snd_soc_component *component)
- {
- struct cpcap_audio *cpcap;
- int err;
- cpcap = devm_kzalloc(component->dev, sizeof(*cpcap), GFP_KERNEL);
- if (!cpcap)
- return -ENOMEM;
- snd_soc_component_set_drvdata(component, cpcap);
- cpcap->component = component;
- cpcap->regmap = dev_get_regmap(component->dev->parent, NULL);
- if (!cpcap->regmap)
- return -ENODEV;
- snd_soc_component_init_regmap(component, cpcap->regmap);
- err = cpcap_get_vendor(component->dev, cpcap->regmap, &cpcap->vendor);
- if (err)
- return err;
- return cpcap_audio_reset(component, false);
- }
- static struct snd_soc_component_driver soc_codec_dev_cpcap = {
- .probe = cpcap_soc_probe,
- .controls = cpcap_snd_controls,
- .num_controls = ARRAY_SIZE(cpcap_snd_controls),
- .dapm_widgets = cpcap_dapm_widgets,
- .num_dapm_widgets = ARRAY_SIZE(cpcap_dapm_widgets),
- .dapm_routes = intercon,
- .num_dapm_routes = ARRAY_SIZE(intercon),
- .idle_bias_on = 1,
- .use_pmdown_time = 1,
- .endianness = 1,
- };
- static int cpcap_codec_probe(struct platform_device *pdev)
- {
- struct device_node *codec_node =
- of_get_child_by_name(pdev->dev.parent->of_node, "audio-codec");
- if (!codec_node)
- return -ENODEV;
- pdev->dev.of_node = codec_node;
- return devm_snd_soc_register_component(&pdev->dev, &soc_codec_dev_cpcap,
- cpcap_dai, ARRAY_SIZE(cpcap_dai));
- }
- static struct platform_driver cpcap_codec_driver = {
- .probe = cpcap_codec_probe,
- .driver = {
- .name = "cpcap-codec",
- },
- };
- module_platform_driver(cpcap_codec_driver);
- MODULE_ALIAS("platform:cpcap-codec");
- MODULE_DESCRIPTION("ASoC CPCAP codec driver");
- MODULE_AUTHOR("Sebastian Reichel");
- MODULE_LICENSE("GPL v2");
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