--- /dev/null
+// 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_codec *codec;
+ 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_codec *codec = snd_soc_dapm_to_codec(w->dapm);
+ struct cpcap_audio *cpcap = snd_soc_codec_get_drvdata(codec);
+ 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_codec *codec = snd_soc_dapm_kcontrol_codec(kcontrol);
+ struct cpcap_audio *cpcap = snd_soc_codec_get_drvdata(codec);
+ 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_codec *codec = snd_soc_dapm_kcontrol_codec(kcontrol);
+ struct cpcap_audio *cpcap = snd_soc_codec_get_drvdata(codec);
+ 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_codec *codec = snd_soc_dapm_kcontrol_codec(kcontrol);
+ struct cpcap_audio *cpcap = snd_soc_codec_get_drvdata(codec);
+ 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_codec *codec = snd_soc_dapm_kcontrol_codec(kcontrol);
+ struct cpcap_audio *cpcap = snd_soc_codec_get_drvdata(codec);
+ 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_codec *codec = snd_soc_dapm_kcontrol_codec(kcontrol);
+ struct cpcap_audio *cpcap = snd_soc_codec_get_drvdata(codec);
+ 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_codec *codec = snd_soc_dapm_kcontrol_codec(kcontrol);
+ struct cpcap_audio *cpcap = snd_soc_codec_get_drvdata(codec);
+ 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->codec->dev, "invalid DAI: %d", dai);
+ return -EINVAL;
+ }
+
+ /* setup clk id */
+ if (clk_id < 0 || clk_id > 1) {
+ dev_err(cpcap->codec->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->codec->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_codec *codec = cpcap->codec;
+ 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(codec->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(codec->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(codec->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_codec *codec = dai->codec;
+ struct cpcap_audio *cpcap = snd_soc_codec_get_drvdata(codec);
+ int rate = params_rate(params);
+
+ dev_dbg(codec->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_codec *codec = codec_dai->codec;
+ struct cpcap_audio *cpcap = snd_soc_codec_get_drvdata(codec);
+ struct device *dev = codec->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_codec *codec = codec_dai->codec;
+ struct cpcap_audio *cpcap = snd_soc_codec_get_drvdata(codec);
+ struct device *dev = codec->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_codec *codec = dai->codec;
+ struct cpcap_audio *cpcap = snd_soc_codec_get_drvdata(codec);
+ 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(codec->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_codec *codec = dai->codec;
+ struct device *dev = codec->dev;
+ struct cpcap_audio *cpcap = snd_soc_codec_get_drvdata(codec);
+ 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 |= CPCAP_BIT_MIC1_RX_TIMESLOT0;
+ mask |= CPCAP_BIT_MIC1_RX_TIMESLOT1;
+ mask |= CPCAP_BIT_MIC1_RX_TIMESLOT2;
+ mask |= CPCAP_BIT_MIC2_TIMESLOT0;
+ mask |= CPCAP_BIT_MIC2_TIMESLOT1;
+ mask |= 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_codec *codec = codec_dai->codec;
+ struct cpcap_audio *cpcap = snd_soc_codec_get_drvdata(codec);
+
+ dev_dbg(codec->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_codec *codec = codec_dai->codec;
+ struct cpcap_audio *cpcap = snd_soc_codec_get_drvdata(codec);
+ 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(codec->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(codec->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(codec->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(codec->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_codec *codec = dai->codec;
+ struct cpcap_audio *cpcap = snd_soc_codec_get_drvdata(codec);
+ 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(codec->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_codec *codec,
+ bool swap_dai_configuration)
+{
+ struct cpcap_audio *cpcap = snd_soc_codec_get_drvdata(codec);
+ int i, err = 0;
+
+ dev_dbg(codec->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_codec *codec)
+{
+ struct cpcap_audio *cpcap;
+ int err;
+
+ cpcap = devm_kzalloc(codec->dev, sizeof(*cpcap), GFP_KERNEL);
+ if (!cpcap)
+ return -ENOMEM;
+ snd_soc_codec_set_drvdata(codec, cpcap);
+ cpcap->codec = codec;
+
+ cpcap->regmap = dev_get_regmap(codec->dev->parent, NULL);
+ if (!cpcap->regmap)
+ return -ENODEV;
+ snd_soc_codec_init_regmap(codec, cpcap->regmap);
+
+ err = cpcap_get_vendor(codec->dev, cpcap->regmap, &cpcap->vendor);
+ if (err)
+ return err;
+
+ return cpcap_audio_reset(codec, false);
+}
+
+static struct snd_soc_codec_driver soc_codec_dev_cpcap = {
+ .probe = cpcap_soc_probe,
+
+ .component_driver = {
+ .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),
+ },
+};
+
+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");
+
+ pdev->dev.of_node = codec_node;
+
+ return snd_soc_register_codec(&pdev->dev, &soc_codec_dev_cpcap,
+ cpcap_dai, ARRAY_SIZE(cpcap_dai));
+}
+
+static int cpcap_codec_remove(struct platform_device *pdev)
+{
+ snd_soc_unregister_codec(&pdev->dev);
+ return 0;
+}
+
+static struct platform_driver cpcap_codec_driver = {
+ .probe = cpcap_codec_probe,
+ .remove = cpcap_codec_remove,
+ .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");
projects / linux.git / commitdiff