diff options
Diffstat (limited to 'sound/soc/codecs/cpcap.c')
| -rw-r--r-- | sound/soc/codecs/cpcap.c | 1564 |
1 files changed, 1564 insertions, 0 deletions
diff --git a/sound/soc/codecs/cpcap.c b/sound/soc/codecs/cpcap.c new file mode 100644 index 000000000..acd88fe38 --- /dev/null +++ b/sound/soc/codecs/cpcap.c @@ -0,0 +1,1564 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * ALSA SoC CPCAP codec driver + * + * Copyright (C) 2017 - 2018 Sebastian Reichel <sre@kernel.org> + * + * 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 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_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_CBM_CFM - codec clk & frm master + * SND_SOC_DAIFMT_I2S - I2S mode + */ + switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) { + case SND_SOC_DAIFMT_CBM_CFM: + val &= ~BIT(CPCAP_BIT_SMB_ST_DAC); + break; + default: + dev_err(dev, "HiFi dai fmt failed: CPCAP should be master"); + 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) +{ + 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, + .digital_mute = cpcap_hifi_set_mute, +}; + +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_CBM_CFM - codec clk & frm + * master + */ + switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) { + case SND_SOC_DAIFMT_CBM_CFM: + val &= ~BIT(CPCAP_BIT_SMB_CDC); + break; + default: + dev_err(component->dev, "Voice dai fmt failed: CPCAP should be the master"); + 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; +} + +static int cpcap_voice_set_mute(struct snd_soc_dai *dai, int mute) +{ + 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, + .digital_mute = cpcap_voice_set_mute, +}; + +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, + .non_legacy_dai_naming = 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"); |