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Diffstat (limited to '')
| -rw-r--r-- | sound/soc/codecs/msm8916-wcd-digital.c | 1254 |
1 files changed, 1254 insertions, 0 deletions
diff --git a/sound/soc/codecs/msm8916-wcd-digital.c b/sound/soc/codecs/msm8916-wcd-digital.c new file mode 100644 index 000000000..098a58990 --- /dev/null +++ b/sound/soc/codecs/msm8916-wcd-digital.c @@ -0,0 +1,1254 @@ +// SPDX-License-Identifier: GPL-2.0 +// Copyright (c) 2016, The Linux Foundation. All rights reserved. + +#include <linux/module.h> +#include <linux/err.h> +#include <linux/kernel.h> +#include <linux/delay.h> +#include <linux/types.h> +#include <linux/clk.h> +#include <linux/of.h> +#include <linux/platform_device.h> +#include <linux/regmap.h> +#include <linux/mfd/syscon.h> +#include <sound/soc.h> +#include <sound/pcm.h> +#include <sound/pcm_params.h> +#include <sound/tlv.h> + +#define LPASS_CDC_CLK_RX_RESET_CTL (0x000) +#define LPASS_CDC_CLK_TX_RESET_B1_CTL (0x004) +#define CLK_RX_RESET_B1_CTL_TX1_RESET_MASK BIT(0) +#define CLK_RX_RESET_B1_CTL_TX2_RESET_MASK BIT(1) +#define LPASS_CDC_CLK_DMIC_B1_CTL (0x008) +#define DMIC_B1_CTL_DMIC0_CLK_SEL_MASK GENMASK(3, 1) +#define DMIC_B1_CTL_DMIC0_CLK_SEL_DIV2 (0x0 << 1) +#define DMIC_B1_CTL_DMIC0_CLK_SEL_DIV3 (0x1 << 1) +#define DMIC_B1_CTL_DMIC0_CLK_SEL_DIV4 (0x2 << 1) +#define DMIC_B1_CTL_DMIC0_CLK_SEL_DIV6 (0x3 << 1) +#define DMIC_B1_CTL_DMIC0_CLK_SEL_DIV16 (0x4 << 1) +#define DMIC_B1_CTL_DMIC0_CLK_EN_MASK BIT(0) +#define DMIC_B1_CTL_DMIC0_CLK_EN_ENABLE BIT(0) + +#define LPASS_CDC_CLK_RX_I2S_CTL (0x00C) +#define RX_I2S_CTL_RX_I2S_MODE_MASK BIT(5) +#define RX_I2S_CTL_RX_I2S_MODE_16 BIT(5) +#define RX_I2S_CTL_RX_I2S_MODE_32 0 +#define RX_I2S_CTL_RX_I2S_FS_RATE_MASK GENMASK(2, 0) +#define RX_I2S_CTL_RX_I2S_FS_RATE_F_8_KHZ 0x0 +#define RX_I2S_CTL_RX_I2S_FS_RATE_F_16_KHZ 0x1 +#define RX_I2S_CTL_RX_I2S_FS_RATE_F_32_KHZ 0x2 +#define RX_I2S_CTL_RX_I2S_FS_RATE_F_48_KHZ 0x3 +#define RX_I2S_CTL_RX_I2S_FS_RATE_F_96_KHZ 0x4 +#define RX_I2S_CTL_RX_I2S_FS_RATE_F_192_KHZ 0x5 +#define LPASS_CDC_CLK_TX_I2S_CTL (0x010) +#define TX_I2S_CTL_TX_I2S_MODE_MASK BIT(5) +#define TX_I2S_CTL_TX_I2S_MODE_16 BIT(5) +#define TX_I2S_CTL_TX_I2S_MODE_32 0 +#define TX_I2S_CTL_TX_I2S_FS_RATE_MASK GENMASK(2, 0) +#define TX_I2S_CTL_TX_I2S_FS_RATE_F_8_KHZ 0x0 +#define TX_I2S_CTL_TX_I2S_FS_RATE_F_16_KHZ 0x1 +#define TX_I2S_CTL_TX_I2S_FS_RATE_F_32_KHZ 0x2 +#define TX_I2S_CTL_TX_I2S_FS_RATE_F_48_KHZ 0x3 +#define TX_I2S_CTL_TX_I2S_FS_RATE_F_96_KHZ 0x4 +#define TX_I2S_CTL_TX_I2S_FS_RATE_F_192_KHZ 0x5 + +#define LPASS_CDC_CLK_OTHR_RESET_B1_CTL (0x014) +#define LPASS_CDC_CLK_TX_CLK_EN_B1_CTL (0x018) +#define LPASS_CDC_CLK_OTHR_CTL (0x01C) +#define LPASS_CDC_CLK_RX_B1_CTL (0x020) +#define LPASS_CDC_CLK_MCLK_CTL (0x024) +#define MCLK_CTL_MCLK_EN_MASK BIT(0) +#define MCLK_CTL_MCLK_EN_ENABLE BIT(0) +#define MCLK_CTL_MCLK_EN_DISABLE 0 +#define LPASS_CDC_CLK_PDM_CTL (0x028) +#define LPASS_CDC_CLK_PDM_CTL_PDM_EN_MASK BIT(0) +#define LPASS_CDC_CLK_PDM_CTL_PDM_EN BIT(0) +#define LPASS_CDC_CLK_PDM_CTL_PDM_CLK_SEL_MASK BIT(1) +#define LPASS_CDC_CLK_PDM_CTL_PDM_CLK_SEL_FB BIT(1) +#define LPASS_CDC_CLK_PDM_CTL_PDM_CLK_PDM_CLK 0 + +#define LPASS_CDC_CLK_SD_CTL (0x02C) +#define LPASS_CDC_RX1_B1_CTL (0x040) +#define LPASS_CDC_RX2_B1_CTL (0x060) +#define LPASS_CDC_RX3_B1_CTL (0x080) +#define LPASS_CDC_RX1_B2_CTL (0x044) +#define LPASS_CDC_RX2_B2_CTL (0x064) +#define LPASS_CDC_RX3_B2_CTL (0x084) +#define LPASS_CDC_RX1_B3_CTL (0x048) +#define LPASS_CDC_RX2_B3_CTL (0x068) +#define LPASS_CDC_RX3_B3_CTL (0x088) +#define LPASS_CDC_RX1_B4_CTL (0x04C) +#define LPASS_CDC_RX2_B4_CTL (0x06C) +#define LPASS_CDC_RX3_B4_CTL (0x08C) +#define LPASS_CDC_RX1_B5_CTL (0x050) +#define LPASS_CDC_RX2_B5_CTL (0x070) +#define LPASS_CDC_RX3_B5_CTL (0x090) +#define LPASS_CDC_RX1_B6_CTL (0x054) +#define RXn_B6_CTL_MUTE_MASK BIT(0) +#define RXn_B6_CTL_MUTE_ENABLE BIT(0) +#define RXn_B6_CTL_MUTE_DISABLE 0 +#define LPASS_CDC_RX2_B6_CTL (0x074) +#define LPASS_CDC_RX3_B6_CTL (0x094) +#define LPASS_CDC_RX1_VOL_CTL_B1_CTL (0x058) +#define LPASS_CDC_RX2_VOL_CTL_B1_CTL (0x078) +#define LPASS_CDC_RX3_VOL_CTL_B1_CTL (0x098) +#define LPASS_CDC_RX1_VOL_CTL_B2_CTL (0x05C) +#define LPASS_CDC_RX2_VOL_CTL_B2_CTL (0x07C) +#define LPASS_CDC_RX3_VOL_CTL_B2_CTL (0x09C) +#define LPASS_CDC_TOP_GAIN_UPDATE (0x0A0) +#define LPASS_CDC_TOP_CTL (0x0A4) +#define TOP_CTL_DIG_MCLK_FREQ_MASK BIT(0) +#define TOP_CTL_DIG_MCLK_FREQ_F_12_288MHZ 0 +#define TOP_CTL_DIG_MCLK_FREQ_F_9_6MHZ BIT(0) + +#define LPASS_CDC_DEBUG_DESER1_CTL (0x0E0) +#define LPASS_CDC_DEBUG_DESER2_CTL (0x0E4) +#define LPASS_CDC_DEBUG_B1_CTL_CFG (0x0E8) +#define LPASS_CDC_DEBUG_B2_CTL_CFG (0x0EC) +#define LPASS_CDC_DEBUG_B3_CTL_CFG (0x0F0) +#define LPASS_CDC_IIR1_GAIN_B1_CTL (0x100) +#define LPASS_CDC_IIR2_GAIN_B1_CTL (0x140) +#define LPASS_CDC_IIR1_GAIN_B2_CTL (0x104) +#define LPASS_CDC_IIR2_GAIN_B2_CTL (0x144) +#define LPASS_CDC_IIR1_GAIN_B3_CTL (0x108) +#define LPASS_CDC_IIR2_GAIN_B3_CTL (0x148) +#define LPASS_CDC_IIR1_GAIN_B4_CTL (0x10C) +#define LPASS_CDC_IIR2_GAIN_B4_CTL (0x14C) +#define LPASS_CDC_IIR1_GAIN_B5_CTL (0x110) +#define LPASS_CDC_IIR2_GAIN_B5_CTL (0x150) +#define LPASS_CDC_IIR1_GAIN_B6_CTL (0x114) +#define LPASS_CDC_IIR2_GAIN_B6_CTL (0x154) +#define LPASS_CDC_IIR1_GAIN_B7_CTL (0x118) +#define LPASS_CDC_IIR2_GAIN_B7_CTL (0x158) +#define LPASS_CDC_IIR1_GAIN_B8_CTL (0x11C) +#define LPASS_CDC_IIR2_GAIN_B8_CTL (0x15C) +#define LPASS_CDC_IIR1_CTL (0x120) +#define LPASS_CDC_IIR2_CTL (0x160) +#define LPASS_CDC_IIR1_GAIN_TIMER_CTL (0x124) +#define LPASS_CDC_IIR2_GAIN_TIMER_CTL (0x164) +#define LPASS_CDC_IIR1_COEF_B1_CTL (0x128) +#define LPASS_CDC_IIR2_COEF_B1_CTL (0x168) +#define LPASS_CDC_IIR1_COEF_B2_CTL (0x12C) +#define LPASS_CDC_IIR2_COEF_B2_CTL (0x16C) +#define LPASS_CDC_CONN_RX1_B1_CTL (0x180) +#define LPASS_CDC_CONN_RX1_B2_CTL (0x184) +#define LPASS_CDC_CONN_RX1_B3_CTL (0x188) +#define LPASS_CDC_CONN_RX2_B1_CTL (0x18C) +#define LPASS_CDC_CONN_RX2_B2_CTL (0x190) +#define LPASS_CDC_CONN_RX2_B3_CTL (0x194) +#define LPASS_CDC_CONN_RX3_B1_CTL (0x198) +#define LPASS_CDC_CONN_RX3_B2_CTL (0x19C) +#define LPASS_CDC_CONN_TX_B1_CTL (0x1A0) +#define LPASS_CDC_CONN_EQ1_B1_CTL (0x1A8) +#define LPASS_CDC_CONN_EQ1_B2_CTL (0x1AC) +#define LPASS_CDC_CONN_EQ1_B3_CTL (0x1B0) +#define LPASS_CDC_CONN_EQ1_B4_CTL (0x1B4) +#define LPASS_CDC_CONN_EQ2_B1_CTL (0x1B8) +#define LPASS_CDC_CONN_EQ2_B2_CTL (0x1BC) +#define LPASS_CDC_CONN_EQ2_B3_CTL (0x1C0) +#define LPASS_CDC_CONN_EQ2_B4_CTL (0x1C4) +#define LPASS_CDC_CONN_TX_I2S_SD1_CTL (0x1C8) +#define LPASS_CDC_TX1_VOL_CTL_TIMER (0x280) +#define LPASS_CDC_TX2_VOL_CTL_TIMER (0x2A0) +#define LPASS_CDC_TX1_VOL_CTL_GAIN (0x284) +#define LPASS_CDC_TX2_VOL_CTL_GAIN (0x2A4) +#define LPASS_CDC_TX1_VOL_CTL_CFG (0x288) +#define TX_VOL_CTL_CFG_MUTE_EN_MASK BIT(0) +#define TX_VOL_CTL_CFG_MUTE_EN_ENABLE BIT(0) + +#define LPASS_CDC_TX2_VOL_CTL_CFG (0x2A8) +#define LPASS_CDC_TX1_MUX_CTL (0x28C) +#define TX_MUX_CTL_CUT_OFF_FREQ_MASK GENMASK(5, 4) +#define TX_MUX_CTL_CUT_OFF_FREQ_SHIFT 4 +#define TX_MUX_CTL_CF_NEG_3DB_4HZ (0x0 << 4) +#define TX_MUX_CTL_CF_NEG_3DB_75HZ (0x1 << 4) +#define TX_MUX_CTL_CF_NEG_3DB_150HZ (0x2 << 4) +#define TX_MUX_CTL_HPF_BP_SEL_MASK BIT(3) +#define TX_MUX_CTL_HPF_BP_SEL_BYPASS BIT(3) +#define TX_MUX_CTL_HPF_BP_SEL_NO_BYPASS 0 + +#define LPASS_CDC_TX2_MUX_CTL (0x2AC) +#define LPASS_CDC_TX1_CLK_FS_CTL (0x290) +#define LPASS_CDC_TX2_CLK_FS_CTL (0x2B0) +#define LPASS_CDC_TX1_DMIC_CTL (0x294) +#define LPASS_CDC_TX2_DMIC_CTL (0x2B4) +#define TXN_DMIC_CTL_CLK_SEL_MASK GENMASK(2, 0) +#define TXN_DMIC_CTL_CLK_SEL_DIV2 0x0 +#define TXN_DMIC_CTL_CLK_SEL_DIV3 0x1 +#define TXN_DMIC_CTL_CLK_SEL_DIV4 0x2 +#define TXN_DMIC_CTL_CLK_SEL_DIV6 0x3 +#define TXN_DMIC_CTL_CLK_SEL_DIV16 0x4 + +#define MSM8916_WCD_DIGITAL_RATES (SNDRV_PCM_RATE_8000 | \ + SNDRV_PCM_RATE_16000 | \ + SNDRV_PCM_RATE_32000 | \ + SNDRV_PCM_RATE_48000) +#define MSM8916_WCD_DIGITAL_FORMATS (SNDRV_PCM_FMTBIT_S16_LE |\ + SNDRV_PCM_FMTBIT_S32_LE) + +/* Codec supports 2 IIR filters */ +enum { + IIR1 = 0, + IIR2, + IIR_MAX, +}; + +/* Codec supports 5 bands */ +enum { + BAND1 = 0, + BAND2, + BAND3, + BAND4, + BAND5, + BAND_MAX, +}; + +#define WCD_IIR_FILTER_SIZE (sizeof(u32)*BAND_MAX) + +#define WCD_IIR_FILTER_CTL(xname, iidx, bidx) \ +{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \ + .info = wcd_iir_filter_info, \ + .get = msm8x16_wcd_get_iir_band_audio_mixer, \ + .put = msm8x16_wcd_put_iir_band_audio_mixer, \ + .private_value = (unsigned long)&(struct wcd_iir_filter_ctl) { \ + .iir_idx = iidx, \ + .band_idx = bidx, \ + .bytes_ext = {.max = WCD_IIR_FILTER_SIZE, }, \ + } \ +} + +struct wcd_iir_filter_ctl { + unsigned int iir_idx; + unsigned int band_idx; + struct soc_bytes_ext bytes_ext; +}; + +struct msm8916_wcd_digital_priv { + struct clk *ahbclk, *mclk; +}; + +static const unsigned long rx_gain_reg[] = { + LPASS_CDC_RX1_VOL_CTL_B2_CTL, + LPASS_CDC_RX2_VOL_CTL_B2_CTL, + LPASS_CDC_RX3_VOL_CTL_B2_CTL, +}; + +static const unsigned long tx_gain_reg[] = { + LPASS_CDC_TX1_VOL_CTL_GAIN, + LPASS_CDC_TX2_VOL_CTL_GAIN, +}; + +static const char *const rx_mix1_text[] = { + "ZERO", "IIR1", "IIR2", "RX1", "RX2", "RX3" +}; + +static const char * const rx_mix2_text[] = { + "ZERO", "IIR1", "IIR2" +}; + +static const char *const dec_mux_text[] = { + "ZERO", "ADC1", "ADC2", "ADC3", "DMIC1", "DMIC2" +}; + +static const char *const cic_mux_text[] = { "AMIC", "DMIC" }; + +/* RX1 MIX1 */ +static const struct soc_enum rx_mix1_inp_enum[] = { + SOC_ENUM_SINGLE(LPASS_CDC_CONN_RX1_B1_CTL, 0, 6, rx_mix1_text), + SOC_ENUM_SINGLE(LPASS_CDC_CONN_RX1_B1_CTL, 3, 6, rx_mix1_text), + SOC_ENUM_SINGLE(LPASS_CDC_CONN_RX1_B2_CTL, 0, 6, rx_mix1_text), +}; + +/* RX2 MIX1 */ +static const struct soc_enum rx2_mix1_inp_enum[] = { + SOC_ENUM_SINGLE(LPASS_CDC_CONN_RX2_B1_CTL, 0, 6, rx_mix1_text), + SOC_ENUM_SINGLE(LPASS_CDC_CONN_RX2_B1_CTL, 3, 6, rx_mix1_text), + SOC_ENUM_SINGLE(LPASS_CDC_CONN_RX2_B2_CTL, 0, 6, rx_mix1_text), +}; + +/* RX3 MIX1 */ +static const struct soc_enum rx3_mix1_inp_enum[] = { + SOC_ENUM_SINGLE(LPASS_CDC_CONN_RX3_B1_CTL, 0, 6, rx_mix1_text), + SOC_ENUM_SINGLE(LPASS_CDC_CONN_RX3_B1_CTL, 3, 6, rx_mix1_text), + SOC_ENUM_SINGLE(LPASS_CDC_CONN_RX3_B2_CTL, 0, 6, rx_mix1_text), +}; + +/* RX1 MIX2 */ +static const struct soc_enum rx_mix2_inp1_chain_enum = + SOC_ENUM_SINGLE(LPASS_CDC_CONN_RX1_B3_CTL, + 0, 3, rx_mix2_text); + +/* RX2 MIX2 */ +static const struct soc_enum rx2_mix2_inp1_chain_enum = + SOC_ENUM_SINGLE(LPASS_CDC_CONN_RX2_B3_CTL, + 0, 3, rx_mix2_text); + +/* DEC */ +static const struct soc_enum dec1_mux_enum = SOC_ENUM_SINGLE( + LPASS_CDC_CONN_TX_B1_CTL, 0, 6, dec_mux_text); +static const struct soc_enum dec2_mux_enum = SOC_ENUM_SINGLE( + LPASS_CDC_CONN_TX_B1_CTL, 3, 6, dec_mux_text); + +/* CIC */ +static const struct soc_enum cic1_mux_enum = SOC_ENUM_SINGLE( + LPASS_CDC_TX1_MUX_CTL, 0, 2, cic_mux_text); +static const struct soc_enum cic2_mux_enum = SOC_ENUM_SINGLE( + LPASS_CDC_TX2_MUX_CTL, 0, 2, cic_mux_text); + +/* RDAC2 MUX */ +static const struct snd_kcontrol_new dec1_mux = SOC_DAPM_ENUM( + "DEC1 MUX Mux", dec1_mux_enum); +static const struct snd_kcontrol_new dec2_mux = SOC_DAPM_ENUM( + "DEC2 MUX Mux", dec2_mux_enum); +static const struct snd_kcontrol_new cic1_mux = SOC_DAPM_ENUM( + "CIC1 MUX Mux", cic1_mux_enum); +static const struct snd_kcontrol_new cic2_mux = SOC_DAPM_ENUM( + "CIC2 MUX Mux", cic2_mux_enum); +static const struct snd_kcontrol_new rx_mix1_inp1_mux = SOC_DAPM_ENUM( + "RX1 MIX1 INP1 Mux", rx_mix1_inp_enum[0]); +static const struct snd_kcontrol_new rx_mix1_inp2_mux = SOC_DAPM_ENUM( + "RX1 MIX1 INP2 Mux", rx_mix1_inp_enum[1]); +static const struct snd_kcontrol_new rx_mix1_inp3_mux = SOC_DAPM_ENUM( + "RX1 MIX1 INP3 Mux", rx_mix1_inp_enum[2]); +static const struct snd_kcontrol_new rx2_mix1_inp1_mux = SOC_DAPM_ENUM( + "RX2 MIX1 INP1 Mux", rx2_mix1_inp_enum[0]); +static const struct snd_kcontrol_new rx2_mix1_inp2_mux = SOC_DAPM_ENUM( + "RX2 MIX1 INP2 Mux", rx2_mix1_inp_enum[1]); +static const struct snd_kcontrol_new rx2_mix1_inp3_mux = SOC_DAPM_ENUM( + "RX2 MIX1 INP3 Mux", rx2_mix1_inp_enum[2]); +static const struct snd_kcontrol_new rx3_mix1_inp1_mux = SOC_DAPM_ENUM( + "RX3 MIX1 INP1 Mux", rx3_mix1_inp_enum[0]); +static const struct snd_kcontrol_new rx3_mix1_inp2_mux = SOC_DAPM_ENUM( + "RX3 MIX1 INP2 Mux", rx3_mix1_inp_enum[1]); +static const struct snd_kcontrol_new rx3_mix1_inp3_mux = SOC_DAPM_ENUM( + "RX3 MIX1 INP3 Mux", rx3_mix1_inp_enum[2]); +static const struct snd_kcontrol_new rx1_mix2_inp1_mux = SOC_DAPM_ENUM( + "RX1 MIX2 INP1 Mux", rx_mix2_inp1_chain_enum); +static const struct snd_kcontrol_new rx2_mix2_inp1_mux = SOC_DAPM_ENUM( + "RX2 MIX2 INP1 Mux", rx2_mix2_inp1_chain_enum); + +/* Digital Gain control -84 dB to +40 dB in 1 dB steps */ +static const DECLARE_TLV_DB_SCALE(digital_gain, -8400, 100, -8400); + +/* Cutoff Freq for High Pass Filter at -3dB */ +static const char * const hpf_cutoff_text[] = { + "4Hz", "75Hz", "150Hz", +}; + +static SOC_ENUM_SINGLE_DECL(tx1_hpf_cutoff_enum, LPASS_CDC_TX1_MUX_CTL, 4, + hpf_cutoff_text); +static SOC_ENUM_SINGLE_DECL(tx2_hpf_cutoff_enum, LPASS_CDC_TX2_MUX_CTL, 4, + hpf_cutoff_text); + +/* cut off for dc blocker inside rx chain */ +static const char * const dc_blocker_cutoff_text[] = { + "4Hz", "75Hz", "150Hz", +}; + +static SOC_ENUM_SINGLE_DECL(rx1_dcb_cutoff_enum, LPASS_CDC_RX1_B4_CTL, 0, + dc_blocker_cutoff_text); +static SOC_ENUM_SINGLE_DECL(rx2_dcb_cutoff_enum, LPASS_CDC_RX2_B4_CTL, 0, + dc_blocker_cutoff_text); +static SOC_ENUM_SINGLE_DECL(rx3_dcb_cutoff_enum, LPASS_CDC_RX3_B4_CTL, 0, + dc_blocker_cutoff_text); + +static int msm8x16_wcd_codec_set_iir_gain(struct snd_soc_dapm_widget *w, + struct snd_kcontrol *kcontrol, int event) +{ + struct snd_soc_component *component = + snd_soc_dapm_to_component(w->dapm); + int value = 0, reg = 0; + + switch (event) { + case SND_SOC_DAPM_POST_PMU: + if (w->shift == 0) + reg = LPASS_CDC_IIR1_GAIN_B1_CTL; + else if (w->shift == 1) + reg = LPASS_CDC_IIR2_GAIN_B1_CTL; + value = snd_soc_component_read(component, reg); + snd_soc_component_write(component, reg, value); + break; + default: + break; + } + return 0; +} + +static uint32_t get_iir_band_coeff(struct snd_soc_component *component, + int iir_idx, int band_idx, + int coeff_idx) +{ + uint32_t value = 0; + + /* Address does not automatically update if reading */ + snd_soc_component_write(component, + (LPASS_CDC_IIR1_COEF_B1_CTL + 64 * iir_idx), + ((band_idx * BAND_MAX + coeff_idx) + * sizeof(uint32_t)) & 0x7F); + + value |= snd_soc_component_read(component, + (LPASS_CDC_IIR1_COEF_B2_CTL + 64 * iir_idx)); + + snd_soc_component_write(component, + (LPASS_CDC_IIR1_COEF_B1_CTL + 64 * iir_idx), + ((band_idx * BAND_MAX + coeff_idx) + * sizeof(uint32_t) + 1) & 0x7F); + + value |= (snd_soc_component_read(component, + (LPASS_CDC_IIR1_COEF_B2_CTL + 64 * iir_idx)) << 8); + + snd_soc_component_write(component, + (LPASS_CDC_IIR1_COEF_B1_CTL + 64 * iir_idx), + ((band_idx * BAND_MAX + coeff_idx) + * sizeof(uint32_t) + 2) & 0x7F); + + value |= (snd_soc_component_read(component, + (LPASS_CDC_IIR1_COEF_B2_CTL + 64 * iir_idx)) << 16); + + snd_soc_component_write(component, + (LPASS_CDC_IIR1_COEF_B1_CTL + 64 * iir_idx), + ((band_idx * BAND_MAX + coeff_idx) + * sizeof(uint32_t) + 3) & 0x7F); + + /* Mask bits top 2 bits since they are reserved */ + value |= ((snd_soc_component_read(component, + (LPASS_CDC_IIR1_COEF_B2_CTL + 64 * iir_idx)) & 0x3f) << 24); + return value; + +} + +static int msm8x16_wcd_get_iir_band_audio_mixer( + struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) +{ + + struct snd_soc_component *component = + snd_soc_kcontrol_component(kcontrol); + struct wcd_iir_filter_ctl *ctl = + (struct wcd_iir_filter_ctl *)kcontrol->private_value; + struct soc_bytes_ext *params = &ctl->bytes_ext; + int iir_idx = ctl->iir_idx; + int band_idx = ctl->band_idx; + u32 coeff[BAND_MAX]; + + coeff[0] = get_iir_band_coeff(component, iir_idx, band_idx, 0); + coeff[1] = get_iir_band_coeff(component, iir_idx, band_idx, 1); + coeff[2] = get_iir_band_coeff(component, iir_idx, band_idx, 2); + coeff[3] = get_iir_band_coeff(component, iir_idx, band_idx, 3); + coeff[4] = get_iir_band_coeff(component, iir_idx, band_idx, 4); + + memcpy(ucontrol->value.bytes.data, &coeff[0], params->max); + + return 0; +} + +static void set_iir_band_coeff(struct snd_soc_component *component, + int iir_idx, int band_idx, + uint32_t value) +{ + snd_soc_component_write(component, + (LPASS_CDC_IIR1_COEF_B2_CTL + 64 * iir_idx), + (value & 0xFF)); + + snd_soc_component_write(component, + (LPASS_CDC_IIR1_COEF_B2_CTL + 64 * iir_idx), + (value >> 8) & 0xFF); + + snd_soc_component_write(component, + (LPASS_CDC_IIR1_COEF_B2_CTL + 64 * iir_idx), + (value >> 16) & 0xFF); + + /* Mask top 2 bits, 7-8 are reserved */ + snd_soc_component_write(component, + (LPASS_CDC_IIR1_COEF_B2_CTL + 64 * iir_idx), + (value >> 24) & 0x3F); +} + +static int msm8x16_wcd_put_iir_band_audio_mixer( + struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) +{ + struct snd_soc_component *component = + snd_soc_kcontrol_component(kcontrol); + struct wcd_iir_filter_ctl *ctl = + (struct wcd_iir_filter_ctl *)kcontrol->private_value; + struct soc_bytes_ext *params = &ctl->bytes_ext; + int iir_idx = ctl->iir_idx; + int band_idx = ctl->band_idx; + u32 coeff[BAND_MAX]; + + memcpy(&coeff[0], ucontrol->value.bytes.data, params->max); + + /* Mask top bit it is reserved */ + /* Updates addr automatically for each B2 write */ + snd_soc_component_write(component, + (LPASS_CDC_IIR1_COEF_B1_CTL + 64 * iir_idx), + (band_idx * BAND_MAX * sizeof(uint32_t)) & 0x7F); + + set_iir_band_coeff(component, iir_idx, band_idx, coeff[0]); + set_iir_band_coeff(component, iir_idx, band_idx, coeff[1]); + set_iir_band_coeff(component, iir_idx, band_idx, coeff[2]); + set_iir_band_coeff(component, iir_idx, band_idx, coeff[3]); + set_iir_band_coeff(component, iir_idx, band_idx, coeff[4]); + + return 0; +} + +static int wcd_iir_filter_info(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_info *ucontrol) +{ + struct wcd_iir_filter_ctl *ctl = + (struct wcd_iir_filter_ctl *)kcontrol->private_value; + struct soc_bytes_ext *params = &ctl->bytes_ext; + + ucontrol->type = SNDRV_CTL_ELEM_TYPE_BYTES; + ucontrol->count = params->max; + + return 0; +} + +static const struct snd_kcontrol_new msm8916_wcd_digital_snd_controls[] = { + SOC_SINGLE_S8_TLV("RX1 Digital Volume", LPASS_CDC_RX1_VOL_CTL_B2_CTL, + -84, 40, digital_gain), + SOC_SINGLE_S8_TLV("RX2 Digital Volume", LPASS_CDC_RX2_VOL_CTL_B2_CTL, + -84, 40, digital_gain), + SOC_SINGLE_S8_TLV("RX3 Digital Volume", LPASS_CDC_RX3_VOL_CTL_B2_CTL, + -84, 40, digital_gain), + SOC_SINGLE_S8_TLV("TX1 Digital Volume", LPASS_CDC_TX1_VOL_CTL_GAIN, + -84, 40, digital_gain), + SOC_SINGLE_S8_TLV("TX2 Digital Volume", LPASS_CDC_TX2_VOL_CTL_GAIN, + -84, 40, digital_gain), + SOC_ENUM("TX1 HPF Cutoff", tx1_hpf_cutoff_enum), + SOC_ENUM("TX2 HPF Cutoff", tx2_hpf_cutoff_enum), + SOC_SINGLE("TX1 HPF Switch", LPASS_CDC_TX1_MUX_CTL, 3, 1, 0), + SOC_SINGLE("TX2 HPF Switch", LPASS_CDC_TX2_MUX_CTL, 3, 1, 0), + SOC_ENUM("RX1 DCB Cutoff", rx1_dcb_cutoff_enum), + SOC_ENUM("RX2 DCB Cutoff", rx2_dcb_cutoff_enum), + SOC_ENUM("RX3 DCB Cutoff", rx3_dcb_cutoff_enum), + SOC_SINGLE("RX1 DCB Switch", LPASS_CDC_RX1_B5_CTL, 2, 1, 0), + SOC_SINGLE("RX2 DCB Switch", LPASS_CDC_RX2_B5_CTL, 2, 1, 0), + SOC_SINGLE("RX3 DCB Switch", LPASS_CDC_RX3_B5_CTL, 2, 1, 0), + SOC_SINGLE("RX1 Mute Switch", LPASS_CDC_RX1_B6_CTL, 0, 1, 0), + SOC_SINGLE("RX2 Mute Switch", LPASS_CDC_RX2_B6_CTL, 0, 1, 0), + SOC_SINGLE("RX3 Mute Switch", LPASS_CDC_RX3_B6_CTL, 0, 1, 0), + + SOC_SINGLE("IIR1 Band1 Switch", LPASS_CDC_IIR1_CTL, 0, 1, 0), + SOC_SINGLE("IIR1 Band2 Switch", LPASS_CDC_IIR1_CTL, 1, 1, 0), + SOC_SINGLE("IIR1 Band3 Switch", LPASS_CDC_IIR1_CTL, 2, 1, 0), + SOC_SINGLE("IIR1 Band4 Switch", LPASS_CDC_IIR1_CTL, 3, 1, 0), + SOC_SINGLE("IIR1 Band5 Switch", LPASS_CDC_IIR1_CTL, 4, 1, 0), + SOC_SINGLE("IIR2 Band1 Switch", LPASS_CDC_IIR2_CTL, 0, 1, 0), + SOC_SINGLE("IIR2 Band2 Switch", LPASS_CDC_IIR2_CTL, 1, 1, 0), + SOC_SINGLE("IIR2 Band3 Switch", LPASS_CDC_IIR2_CTL, 2, 1, 0), + SOC_SINGLE("IIR2 Band4 Switch", LPASS_CDC_IIR2_CTL, 3, 1, 0), + SOC_SINGLE("IIR2 Band5 Switch", LPASS_CDC_IIR2_CTL, 4, 1, 0), + WCD_IIR_FILTER_CTL("IIR1 Band1", IIR1, BAND1), + WCD_IIR_FILTER_CTL("IIR1 Band2", IIR1, BAND2), + WCD_IIR_FILTER_CTL("IIR1 Band3", IIR1, BAND3), + WCD_IIR_FILTER_CTL("IIR1 Band4", IIR1, BAND4), + WCD_IIR_FILTER_CTL("IIR1 Band5", IIR1, BAND5), + WCD_IIR_FILTER_CTL("IIR2 Band1", IIR2, BAND1), + WCD_IIR_FILTER_CTL("IIR2 Band2", IIR2, BAND2), + WCD_IIR_FILTER_CTL("IIR2 Band3", IIR2, BAND3), + WCD_IIR_FILTER_CTL("IIR2 Band4", IIR2, BAND4), + WCD_IIR_FILTER_CTL("IIR2 Band5", IIR2, BAND5), + SOC_SINGLE_S8_TLV("IIR1 INP1 Volume", LPASS_CDC_IIR1_GAIN_B1_CTL, + -84, 40, digital_gain), + SOC_SINGLE_S8_TLV("IIR1 INP2 Volume", LPASS_CDC_IIR1_GAIN_B2_CTL, + -84, 40, digital_gain), + SOC_SINGLE_S8_TLV("IIR1 INP3 Volume", LPASS_CDC_IIR1_GAIN_B3_CTL, + -84, 40, digital_gain), + SOC_SINGLE_S8_TLV("IIR1 INP4 Volume", LPASS_CDC_IIR1_GAIN_B4_CTL, + -84, 40, digital_gain), + SOC_SINGLE_S8_TLV("IIR2 INP1 Volume", LPASS_CDC_IIR2_GAIN_B1_CTL, + -84, 40, digital_gain), + SOC_SINGLE_S8_TLV("IIR2 INP2 Volume", LPASS_CDC_IIR2_GAIN_B2_CTL, + -84, 40, digital_gain), + SOC_SINGLE_S8_TLV("IIR2 INP3 Volume", LPASS_CDC_IIR2_GAIN_B3_CTL, + -84, 40, digital_gain), + SOC_SINGLE_S8_TLV("IIR2 INP4 Volume", LPASS_CDC_IIR2_GAIN_B4_CTL, + -84, 40, digital_gain), + +}; + +static int msm8916_wcd_digital_enable_interpolator( + struct snd_soc_dapm_widget *w, + struct snd_kcontrol *kcontrol, + int event) +{ + struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm); + + switch (event) { + case SND_SOC_DAPM_POST_PMU: + /* apply the digital gain after the interpolator is enabled */ + usleep_range(10000, 10100); + snd_soc_component_write(component, rx_gain_reg[w->shift], + snd_soc_component_read(component, rx_gain_reg[w->shift])); + break; + case SND_SOC_DAPM_POST_PMD: + snd_soc_component_update_bits(component, LPASS_CDC_CLK_RX_RESET_CTL, + 1 << w->shift, 1 << w->shift); + snd_soc_component_update_bits(component, LPASS_CDC_CLK_RX_RESET_CTL, + 1 << w->shift, 0x0); + break; + } + return 0; +} + +static int msm8916_wcd_digital_enable_dec(struct snd_soc_dapm_widget *w, + struct snd_kcontrol *kcontrol, + int event) +{ + struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm); + unsigned int decimator = w->shift + 1; + u16 dec_reset_reg, tx_vol_ctl_reg, tx_mux_ctl_reg; + u8 dec_hpf_cut_of_freq; + + dec_reset_reg = LPASS_CDC_CLK_TX_RESET_B1_CTL; + tx_vol_ctl_reg = LPASS_CDC_TX1_VOL_CTL_CFG + 32 * (decimator - 1); + tx_mux_ctl_reg = LPASS_CDC_TX1_MUX_CTL + 32 * (decimator - 1); + + switch (event) { + case SND_SOC_DAPM_PRE_PMU: + /* Enable TX digital mute */ + snd_soc_component_update_bits(component, tx_vol_ctl_reg, + TX_VOL_CTL_CFG_MUTE_EN_MASK, + TX_VOL_CTL_CFG_MUTE_EN_ENABLE); + dec_hpf_cut_of_freq = snd_soc_component_read(component, tx_mux_ctl_reg) & + TX_MUX_CTL_CUT_OFF_FREQ_MASK; + dec_hpf_cut_of_freq >>= TX_MUX_CTL_CUT_OFF_FREQ_SHIFT; + if (dec_hpf_cut_of_freq != TX_MUX_CTL_CF_NEG_3DB_150HZ) { + /* set cut of freq to CF_MIN_3DB_150HZ (0x1) */ + snd_soc_component_update_bits(component, tx_mux_ctl_reg, + TX_MUX_CTL_CUT_OFF_FREQ_MASK, + TX_MUX_CTL_CF_NEG_3DB_150HZ); + } + break; + case SND_SOC_DAPM_POST_PMU: + /* enable HPF */ + snd_soc_component_update_bits(component, tx_mux_ctl_reg, + TX_MUX_CTL_HPF_BP_SEL_MASK, + TX_MUX_CTL_HPF_BP_SEL_NO_BYPASS); + /* apply the digital gain after the decimator is enabled */ + snd_soc_component_write(component, tx_gain_reg[w->shift], + snd_soc_component_read(component, tx_gain_reg[w->shift])); + snd_soc_component_update_bits(component, tx_vol_ctl_reg, + TX_VOL_CTL_CFG_MUTE_EN_MASK, 0); + break; + case SND_SOC_DAPM_PRE_PMD: + snd_soc_component_update_bits(component, tx_vol_ctl_reg, + TX_VOL_CTL_CFG_MUTE_EN_MASK, + TX_VOL_CTL_CFG_MUTE_EN_ENABLE); + snd_soc_component_update_bits(component, tx_mux_ctl_reg, + TX_MUX_CTL_HPF_BP_SEL_MASK, + TX_MUX_CTL_HPF_BP_SEL_BYPASS); + break; + case SND_SOC_DAPM_POST_PMD: + snd_soc_component_update_bits(component, dec_reset_reg, 1 << w->shift, + 1 << w->shift); + snd_soc_component_update_bits(component, dec_reset_reg, 1 << w->shift, 0x0); + snd_soc_component_update_bits(component, tx_mux_ctl_reg, + TX_MUX_CTL_HPF_BP_SEL_MASK, + TX_MUX_CTL_HPF_BP_SEL_BYPASS); + snd_soc_component_update_bits(component, tx_vol_ctl_reg, + TX_VOL_CTL_CFG_MUTE_EN_MASK, 0); + break; + } + + return 0; +} + +static int msm8916_wcd_digital_enable_dmic(struct snd_soc_dapm_widget *w, + struct snd_kcontrol *kcontrol, + int event) +{ + struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm); + unsigned int dmic; + int ret; + /* get dmic number out of widget name */ + char *dmic_num = strpbrk(w->name, "12"); + + if (dmic_num == NULL) { + dev_err(component->dev, "Invalid DMIC\n"); + return -EINVAL; + } + ret = kstrtouint(dmic_num, 10, &dmic); + if (ret < 0 || dmic > 2) { + dev_err(component->dev, "Invalid DMIC line on the component\n"); + return -EINVAL; + } + + switch (event) { + case SND_SOC_DAPM_PRE_PMU: + snd_soc_component_update_bits(component, LPASS_CDC_CLK_DMIC_B1_CTL, + DMIC_B1_CTL_DMIC0_CLK_SEL_MASK, + DMIC_B1_CTL_DMIC0_CLK_SEL_DIV3); + switch (dmic) { + case 1: + snd_soc_component_update_bits(component, LPASS_CDC_TX1_DMIC_CTL, + TXN_DMIC_CTL_CLK_SEL_MASK, + TXN_DMIC_CTL_CLK_SEL_DIV3); + break; + case 2: + snd_soc_component_update_bits(component, LPASS_CDC_TX2_DMIC_CTL, + TXN_DMIC_CTL_CLK_SEL_MASK, + TXN_DMIC_CTL_CLK_SEL_DIV3); + break; + } + break; + } + + return 0; +} + +static const char * const iir_inp1_text[] = { + "ZERO", "DEC1", "DEC2", "RX1", "RX2", "RX3" +}; + +static const struct soc_enum iir1_inp1_mux_enum = + SOC_ENUM_SINGLE(LPASS_CDC_CONN_EQ1_B1_CTL, + 0, 6, iir_inp1_text); + +static const struct soc_enum iir2_inp1_mux_enum = + SOC_ENUM_SINGLE(LPASS_CDC_CONN_EQ2_B1_CTL, + 0, 6, iir_inp1_text); + +static const struct snd_kcontrol_new iir1_inp1_mux = + SOC_DAPM_ENUM("IIR1 INP1 Mux", iir1_inp1_mux_enum); + +static const struct snd_kcontrol_new iir2_inp1_mux = + SOC_DAPM_ENUM("IIR2 INP1 Mux", iir2_inp1_mux_enum); + +static const struct snd_soc_dapm_widget msm8916_wcd_digital_dapm_widgets[] = { + /*RX stuff */ + SND_SOC_DAPM_AIF_IN("I2S RX1", NULL, 0, SND_SOC_NOPM, 0, 0), + SND_SOC_DAPM_AIF_IN("I2S RX2", NULL, 0, SND_SOC_NOPM, 0, 0), + SND_SOC_DAPM_AIF_IN("I2S RX3", NULL, 0, SND_SOC_NOPM, 0, 0), + + SND_SOC_DAPM_OUTPUT("PDM_RX1"), + SND_SOC_DAPM_OUTPUT("PDM_RX2"), + SND_SOC_DAPM_OUTPUT("PDM_RX3"), + + SND_SOC_DAPM_INPUT("LPASS_PDM_TX"), + + SND_SOC_DAPM_MIXER("RX1 MIX1", SND_SOC_NOPM, 0, 0, NULL, 0), + SND_SOC_DAPM_MIXER("RX2 MIX1", SND_SOC_NOPM, 0, 0, NULL, 0), + SND_SOC_DAPM_MIXER("RX3 MIX1", SND_SOC_NOPM, 0, 0, NULL, 0), + + /* Interpolator */ + SND_SOC_DAPM_MIXER_E("RX1 INT", LPASS_CDC_CLK_RX_B1_CTL, 0, 0, NULL, + 0, msm8916_wcd_digital_enable_interpolator, + SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD), + SND_SOC_DAPM_MIXER_E("RX2 INT", LPASS_CDC_CLK_RX_B1_CTL, 1, 0, NULL, + 0, msm8916_wcd_digital_enable_interpolator, + SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD), + SND_SOC_DAPM_MIXER_E("RX3 INT", LPASS_CDC_CLK_RX_B1_CTL, 2, 0, NULL, + 0, msm8916_wcd_digital_enable_interpolator, + SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD), + SND_SOC_DAPM_MUX("RX1 MIX1 INP1", SND_SOC_NOPM, 0, 0, + &rx_mix1_inp1_mux), + SND_SOC_DAPM_MUX("RX1 MIX1 INP2", SND_SOC_NOPM, 0, 0, + &rx_mix1_inp2_mux), + SND_SOC_DAPM_MUX("RX1 MIX1 INP3", SND_SOC_NOPM, 0, 0, + &rx_mix1_inp3_mux), + SND_SOC_DAPM_MUX("RX2 MIX1 INP1", SND_SOC_NOPM, 0, 0, + &rx2_mix1_inp1_mux), + SND_SOC_DAPM_MUX("RX2 MIX1 INP2", SND_SOC_NOPM, 0, 0, + &rx2_mix1_inp2_mux), + SND_SOC_DAPM_MUX("RX2 MIX1 INP3", SND_SOC_NOPM, 0, 0, + &rx2_mix1_inp3_mux), + SND_SOC_DAPM_MUX("RX3 MIX1 INP1", SND_SOC_NOPM, 0, 0, + &rx3_mix1_inp1_mux), + SND_SOC_DAPM_MUX("RX3 MIX1 INP2", SND_SOC_NOPM, 0, 0, + &rx3_mix1_inp2_mux), + SND_SOC_DAPM_MUX("RX3 MIX1 INP3", SND_SOC_NOPM, 0, 0, + &rx3_mix1_inp3_mux), + SND_SOC_DAPM_MUX("RX1 MIX2 INP1", SND_SOC_NOPM, 0, 0, + &rx1_mix2_inp1_mux), + SND_SOC_DAPM_MUX("RX2 MIX2 INP1", SND_SOC_NOPM, 0, 0, + &rx2_mix2_inp1_mux), + + SND_SOC_DAPM_MUX("CIC1 MUX", SND_SOC_NOPM, 0, 0, &cic1_mux), + SND_SOC_DAPM_MUX("CIC2 MUX", SND_SOC_NOPM, 0, 0, &cic2_mux), + /* TX */ + SND_SOC_DAPM_MIXER("ADC1", SND_SOC_NOPM, 0, 0, NULL, 0), + SND_SOC_DAPM_MIXER("ADC2", SND_SOC_NOPM, 0, 0, NULL, 0), + SND_SOC_DAPM_MIXER("ADC3", SND_SOC_NOPM, 0, 0, NULL, 0), + + SND_SOC_DAPM_MUX_E("DEC1 MUX", LPASS_CDC_CLK_TX_CLK_EN_B1_CTL, 0, 0, + &dec1_mux, msm8916_wcd_digital_enable_dec, + SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMU | + SND_SOC_DAPM_PRE_PMD | SND_SOC_DAPM_POST_PMD), + SND_SOC_DAPM_MUX_E("DEC2 MUX", LPASS_CDC_CLK_TX_CLK_EN_B1_CTL, 1, 0, + &dec2_mux, msm8916_wcd_digital_enable_dec, + SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMU | + SND_SOC_DAPM_PRE_PMD | SND_SOC_DAPM_POST_PMD), + SND_SOC_DAPM_AIF_OUT("I2S TX1", NULL, 0, SND_SOC_NOPM, 0, 0), + SND_SOC_DAPM_AIF_OUT("I2S TX2", NULL, 0, SND_SOC_NOPM, 0, 0), + SND_SOC_DAPM_AIF_OUT("I2S TX3", NULL, 0, SND_SOC_NOPM, 0, 0), + + /* Digital Mic Inputs */ + SND_SOC_DAPM_ADC_E("DMIC1", NULL, SND_SOC_NOPM, 0, 0, + msm8916_wcd_digital_enable_dmic, + SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD), + SND_SOC_DAPM_ADC_E("DMIC2", NULL, SND_SOC_NOPM, 0, 0, + msm8916_wcd_digital_enable_dmic, + SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD), + SND_SOC_DAPM_SUPPLY("DMIC_CLK", LPASS_CDC_CLK_DMIC_B1_CTL, 0, 0, + NULL, 0), + SND_SOC_DAPM_SUPPLY("RX_I2S_CLK", LPASS_CDC_CLK_RX_I2S_CTL, + 4, 0, NULL, 0), + SND_SOC_DAPM_SUPPLY("TX_I2S_CLK", LPASS_CDC_CLK_TX_I2S_CTL, 4, 0, + NULL, 0), + + SND_SOC_DAPM_SUPPLY("MCLK", SND_SOC_NOPM, 0, 0, NULL, 0), + SND_SOC_DAPM_SUPPLY("PDM_CLK", LPASS_CDC_CLK_PDM_CTL, 0, 0, NULL, 0), + /* Connectivity Clock */ + SND_SOC_DAPM_SUPPLY_S("CDC_CONN", -2, LPASS_CDC_CLK_OTHR_CTL, 2, 0, + NULL, 0), + SND_SOC_DAPM_MIC("Digital Mic1", NULL), + SND_SOC_DAPM_MIC("Digital Mic2", NULL), + + /* Sidetone */ + SND_SOC_DAPM_MUX("IIR1 INP1 MUX", SND_SOC_NOPM, 0, 0, &iir1_inp1_mux), + SND_SOC_DAPM_PGA_E("IIR1", LPASS_CDC_CLK_SD_CTL, 0, 0, NULL, 0, + msm8x16_wcd_codec_set_iir_gain, SND_SOC_DAPM_POST_PMU), + + SND_SOC_DAPM_MUX("IIR2 INP1 MUX", SND_SOC_NOPM, 0, 0, &iir2_inp1_mux), + SND_SOC_DAPM_PGA_E("IIR2", LPASS_CDC_CLK_SD_CTL, 1, 0, NULL, 0, + msm8x16_wcd_codec_set_iir_gain, SND_SOC_DAPM_POST_PMU), + +}; + +static int msm8916_wcd_digital_get_clks(struct platform_device *pdev, + struct msm8916_wcd_digital_priv *priv) +{ + struct device *dev = &pdev->dev; + + priv->ahbclk = devm_clk_get(dev, "ahbix-clk"); + if (IS_ERR(priv->ahbclk)) { + dev_err(dev, "failed to get ahbix clk\n"); + return PTR_ERR(priv->ahbclk); + } + + priv->mclk = devm_clk_get(dev, "mclk"); + if (IS_ERR(priv->mclk)) { + dev_err(dev, "failed to get mclk\n"); + return PTR_ERR(priv->mclk); + } + + return 0; +} + +static int msm8916_wcd_digital_component_probe(struct snd_soc_component *component) +{ + struct msm8916_wcd_digital_priv *priv = dev_get_drvdata(component->dev); + + snd_soc_component_set_drvdata(component, priv); + + return 0; +} + +static int msm8916_wcd_digital_component_set_sysclk(struct snd_soc_component *component, + int clk_id, int source, + unsigned int freq, int dir) +{ + struct msm8916_wcd_digital_priv *p = dev_get_drvdata(component->dev); + + return clk_set_rate(p->mclk, freq); +} + +static int msm8916_wcd_digital_hw_params(struct snd_pcm_substream *substream, + struct snd_pcm_hw_params *params, + struct snd_soc_dai *dai) +{ + u8 tx_fs_rate; + u8 rx_fs_rate; + + switch (params_rate(params)) { + case 8000: + tx_fs_rate = TX_I2S_CTL_TX_I2S_FS_RATE_F_8_KHZ; + rx_fs_rate = RX_I2S_CTL_RX_I2S_FS_RATE_F_8_KHZ; + break; + case 16000: + tx_fs_rate = TX_I2S_CTL_TX_I2S_FS_RATE_F_16_KHZ; + rx_fs_rate = RX_I2S_CTL_RX_I2S_FS_RATE_F_16_KHZ; + break; + case 32000: + tx_fs_rate = TX_I2S_CTL_TX_I2S_FS_RATE_F_32_KHZ; + rx_fs_rate = RX_I2S_CTL_RX_I2S_FS_RATE_F_32_KHZ; + break; + case 48000: + tx_fs_rate = TX_I2S_CTL_TX_I2S_FS_RATE_F_48_KHZ; + rx_fs_rate = RX_I2S_CTL_RX_I2S_FS_RATE_F_48_KHZ; + break; + default: + dev_err(dai->component->dev, "Invalid sampling rate %d\n", + params_rate(params)); + return -EINVAL; + } + + switch (substream->stream) { + case SNDRV_PCM_STREAM_CAPTURE: + snd_soc_component_update_bits(dai->component, LPASS_CDC_CLK_TX_I2S_CTL, + TX_I2S_CTL_TX_I2S_FS_RATE_MASK, tx_fs_rate); + break; + case SNDRV_PCM_STREAM_PLAYBACK: + snd_soc_component_update_bits(dai->component, LPASS_CDC_CLK_RX_I2S_CTL, + RX_I2S_CTL_RX_I2S_FS_RATE_MASK, rx_fs_rate); + break; + default: + return -EINVAL; + } + + switch (params_format(params)) { + case SNDRV_PCM_FORMAT_S16_LE: + snd_soc_component_update_bits(dai->component, LPASS_CDC_CLK_TX_I2S_CTL, + TX_I2S_CTL_TX_I2S_MODE_MASK, + TX_I2S_CTL_TX_I2S_MODE_16); + snd_soc_component_update_bits(dai->component, LPASS_CDC_CLK_RX_I2S_CTL, + RX_I2S_CTL_RX_I2S_MODE_MASK, + RX_I2S_CTL_RX_I2S_MODE_16); + break; + + case SNDRV_PCM_FORMAT_S32_LE: + snd_soc_component_update_bits(dai->component, LPASS_CDC_CLK_TX_I2S_CTL, + TX_I2S_CTL_TX_I2S_MODE_MASK, + TX_I2S_CTL_TX_I2S_MODE_32); + snd_soc_component_update_bits(dai->component, LPASS_CDC_CLK_RX_I2S_CTL, + RX_I2S_CTL_RX_I2S_MODE_MASK, + RX_I2S_CTL_RX_I2S_MODE_32); + break; + default: + dev_err(dai->dev, "%s: wrong format selected\n", __func__); + return -EINVAL; + } + + return 0; +} + +static const struct snd_soc_dapm_route msm8916_wcd_digital_audio_map[] = { + + {"I2S RX1", NULL, "AIF1 Playback"}, + {"I2S RX2", NULL, "AIF1 Playback"}, + {"I2S RX3", NULL, "AIF1 Playback"}, + + {"AIF1 Capture", NULL, "I2S TX1"}, + {"AIF1 Capture", NULL, "I2S TX2"}, + {"AIF1 Capture", NULL, "I2S TX3"}, + + {"CIC1 MUX", "DMIC", "DEC1 MUX"}, + {"CIC1 MUX", "AMIC", "DEC1 MUX"}, + {"CIC2 MUX", "DMIC", "DEC2 MUX"}, + {"CIC2 MUX", "AMIC", "DEC2 MUX"}, + + /* Decimator Inputs */ + {"DEC1 MUX", "DMIC1", "DMIC1"}, + {"DEC1 MUX", "DMIC2", "DMIC2"}, + {"DEC1 MUX", "ADC1", "ADC1"}, + {"DEC1 MUX", "ADC2", "ADC2"}, + {"DEC1 MUX", "ADC3", "ADC3"}, + {"DEC1 MUX", NULL, "CDC_CONN"}, + + {"DEC2 MUX", "DMIC1", "DMIC1"}, + {"DEC2 MUX", "DMIC2", "DMIC2"}, + {"DEC2 MUX", "ADC1", "ADC1"}, + {"DEC2 MUX", "ADC2", "ADC2"}, + {"DEC2 MUX", "ADC3", "ADC3"}, + {"DEC2 MUX", NULL, "CDC_CONN"}, + + {"DMIC1", NULL, "DMIC_CLK"}, + {"DMIC2", NULL, "DMIC_CLK"}, + + {"I2S TX1", NULL, "CIC1 MUX"}, + {"I2S TX2", NULL, "CIC2 MUX"}, + + {"I2S TX1", NULL, "TX_I2S_CLK"}, + {"I2S TX2", NULL, "TX_I2S_CLK"}, + + {"TX_I2S_CLK", NULL, "MCLK"}, + {"TX_I2S_CLK", NULL, "PDM_CLK"}, + + {"ADC1", NULL, "LPASS_PDM_TX"}, + {"ADC2", NULL, "LPASS_PDM_TX"}, + {"ADC3", NULL, "LPASS_PDM_TX"}, + + {"I2S RX1", NULL, "RX_I2S_CLK"}, + {"I2S RX2", NULL, "RX_I2S_CLK"}, + {"I2S RX3", NULL, "RX_I2S_CLK"}, + + {"RX_I2S_CLK", NULL, "PDM_CLK"}, + {"RX_I2S_CLK", NULL, "MCLK"}, + {"RX_I2S_CLK", NULL, "CDC_CONN"}, + + /* RX1 PATH.. */ + {"PDM_RX1", NULL, "RX1 INT"}, + {"RX1 INT", NULL, "RX1 MIX1"}, + + {"RX1 MIX1", NULL, "RX1 MIX1 INP1"}, + {"RX1 MIX1", NULL, "RX1 MIX1 INP2"}, + {"RX1 MIX1", NULL, "RX1 MIX1 INP3"}, + + {"RX1 MIX1 INP1", "RX1", "I2S RX1"}, + {"RX1 MIX1 INP1", "RX2", "I2S RX2"}, + {"RX1 MIX1 INP1", "RX3", "I2S RX3"}, + {"RX1 MIX1 INP1", "IIR1", "IIR1"}, + {"RX1 MIX1 INP1", "IIR2", "IIR2"}, + + {"RX1 MIX1 INP2", "RX1", "I2S RX1"}, + {"RX1 MIX1 INP2", "RX2", "I2S RX2"}, + {"RX1 MIX1 INP2", "RX3", "I2S RX3"}, + {"RX1 MIX1 INP2", "IIR1", "IIR1"}, + {"RX1 MIX1 INP2", "IIR2", "IIR2"}, + + {"RX1 MIX1 INP3", "RX1", "I2S RX1"}, + {"RX1 MIX1 INP3", "RX2", "I2S RX2"}, + {"RX1 MIX1 INP3", "RX3", "I2S RX3"}, + + /* RX2 PATH */ + {"PDM_RX2", NULL, "RX2 INT"}, + {"RX2 INT", NULL, "RX2 MIX1"}, + + {"RX2 MIX1", NULL, "RX2 MIX1 INP1"}, + {"RX2 MIX1", NULL, "RX2 MIX1 INP2"}, + {"RX2 MIX1", NULL, "RX2 MIX1 INP3"}, + + {"RX2 MIX1 INP1", "RX1", "I2S RX1"}, + {"RX2 MIX1 INP1", "RX2", "I2S RX2"}, + {"RX2 MIX1 INP1", "RX3", "I2S RX3"}, + {"RX2 MIX1 INP1", "IIR1", "IIR1"}, + {"RX2 MIX1 INP1", "IIR2", "IIR2"}, + + {"RX2 MIX1 INP2", "RX1", "I2S RX1"}, + {"RX2 MIX1 INP2", "RX2", "I2S RX2"}, + {"RX2 MIX1 INP2", "RX3", "I2S RX3"}, + {"RX2 MIX1 INP1", "IIR1", "IIR1"}, + {"RX2 MIX1 INP1", "IIR2", "IIR2"}, + + {"RX2 MIX1 INP3", "RX1", "I2S RX1"}, + {"RX2 MIX1 INP3", "RX2", "I2S RX2"}, + {"RX2 MIX1 INP3", "RX3", "I2S RX3"}, + + /* RX3 PATH */ + {"PDM_RX3", NULL, "RX3 INT"}, + {"RX3 INT", NULL, "RX3 MIX1"}, + + {"RX3 MIX1", NULL, "RX3 MIX1 INP1"}, + {"RX3 MIX1", NULL, "RX3 MIX1 INP2"}, + {"RX3 MIX1", NULL, "RX3 MIX1 INP3"}, + + {"RX3 MIX1 INP1", "RX1", "I2S RX1"}, + {"RX3 MIX1 INP1", "RX2", "I2S RX2"}, + {"RX3 MIX1 INP1", "RX3", "I2S RX3"}, + {"RX3 MIX1 INP1", "IIR1", "IIR1"}, + {"RX3 MIX1 INP1", "IIR2", "IIR2"}, + + {"RX3 MIX1 INP2", "RX1", "I2S RX1"}, + {"RX3 MIX1 INP2", "RX2", "I2S RX2"}, + {"RX3 MIX1 INP2", "RX3", "I2S RX3"}, + {"RX3 MIX1 INP2", "IIR1", "IIR1"}, + {"RX3 MIX1 INP2", "IIR2", "IIR2"}, + + {"RX1 MIX2 INP1", "IIR1", "IIR1"}, + {"RX2 MIX2 INP1", "IIR1", "IIR1"}, + {"RX1 MIX2 INP1", "IIR2", "IIR2"}, + {"RX2 MIX2 INP1", "IIR2", "IIR2"}, + + {"IIR1", NULL, "IIR1 INP1 MUX"}, + {"IIR1 INP1 MUX", "DEC1", "DEC1 MUX"}, + {"IIR1 INP1 MUX", "DEC2", "DEC2 MUX"}, + + {"IIR2", NULL, "IIR2 INP1 MUX"}, + {"IIR2 INP1 MUX", "DEC1", "DEC1 MUX"}, + {"IIR2 INP1 MUX", "DEC2", "DEC2 MUX"}, + + {"RX3 MIX1 INP3", "RX1", "I2S RX1"}, + {"RX3 MIX1 INP3", "RX2", "I2S RX2"}, + {"RX3 MIX1 INP3", "RX3", "I2S RX3"}, + +}; + +static int msm8916_wcd_digital_startup(struct snd_pcm_substream *substream, + struct snd_soc_dai *dai) +{ + struct snd_soc_component *component = dai->component; + struct msm8916_wcd_digital_priv *msm8916_wcd; + unsigned long mclk_rate; + + msm8916_wcd = snd_soc_component_get_drvdata(component); + snd_soc_component_update_bits(component, LPASS_CDC_CLK_MCLK_CTL, + MCLK_CTL_MCLK_EN_MASK, + MCLK_CTL_MCLK_EN_ENABLE); + snd_soc_component_update_bits(component, LPASS_CDC_CLK_PDM_CTL, + LPASS_CDC_CLK_PDM_CTL_PDM_CLK_SEL_MASK, + LPASS_CDC_CLK_PDM_CTL_PDM_CLK_SEL_FB); + + mclk_rate = clk_get_rate(msm8916_wcd->mclk); + switch (mclk_rate) { + case 12288000: + snd_soc_component_update_bits(component, LPASS_CDC_TOP_CTL, + TOP_CTL_DIG_MCLK_FREQ_MASK, + TOP_CTL_DIG_MCLK_FREQ_F_12_288MHZ); + break; + case 9600000: + snd_soc_component_update_bits(component, LPASS_CDC_TOP_CTL, + TOP_CTL_DIG_MCLK_FREQ_MASK, + TOP_CTL_DIG_MCLK_FREQ_F_9_6MHZ); + break; + default: + dev_err(component->dev, "Invalid mclk rate %ld\n", mclk_rate); + break; + } + return 0; +} + +static void msm8916_wcd_digital_shutdown(struct snd_pcm_substream *substream, + struct snd_soc_dai *dai) +{ + snd_soc_component_update_bits(dai->component, LPASS_CDC_CLK_PDM_CTL, + LPASS_CDC_CLK_PDM_CTL_PDM_CLK_SEL_MASK, 0); +} + +static const struct snd_soc_dai_ops msm8916_wcd_digital_dai_ops = { + .startup = msm8916_wcd_digital_startup, + .shutdown = msm8916_wcd_digital_shutdown, + .hw_params = msm8916_wcd_digital_hw_params, +}; + +static struct snd_soc_dai_driver msm8916_wcd_digital_dai[] = { + [0] = { + .name = "msm8916_wcd_digital_i2s_rx1", + .id = 0, + .playback = { + .stream_name = "AIF1 Playback", + .rates = MSM8916_WCD_DIGITAL_RATES, + .formats = MSM8916_WCD_DIGITAL_FORMATS, + .channels_min = 1, + .channels_max = 3, + }, + .ops = &msm8916_wcd_digital_dai_ops, + }, + [1] = { + .name = "msm8916_wcd_digital_i2s_tx1", + .id = 1, + .capture = { + .stream_name = "AIF1 Capture", + .rates = MSM8916_WCD_DIGITAL_RATES, + .formats = MSM8916_WCD_DIGITAL_FORMATS, + .channels_min = 1, + .channels_max = 4, + }, + .ops = &msm8916_wcd_digital_dai_ops, + }, +}; + +static const struct snd_soc_component_driver msm8916_wcd_digital = { + .probe = msm8916_wcd_digital_component_probe, + .set_sysclk = msm8916_wcd_digital_component_set_sysclk, + .controls = msm8916_wcd_digital_snd_controls, + .num_controls = ARRAY_SIZE(msm8916_wcd_digital_snd_controls), + .dapm_widgets = msm8916_wcd_digital_dapm_widgets, + .num_dapm_widgets = ARRAY_SIZE(msm8916_wcd_digital_dapm_widgets), + .dapm_routes = msm8916_wcd_digital_audio_map, + .num_dapm_routes = ARRAY_SIZE(msm8916_wcd_digital_audio_map), + .idle_bias_on = 1, + .use_pmdown_time = 1, + .endianness = 1, + .non_legacy_dai_naming = 1, +}; + +static const struct regmap_config msm8916_codec_regmap_config = { + .reg_bits = 32, + .reg_stride = 4, + .val_bits = 32, + .max_register = LPASS_CDC_TX2_DMIC_CTL, + .cache_type = REGCACHE_FLAT, +}; + +static int msm8916_wcd_digital_probe(struct platform_device *pdev) +{ + struct msm8916_wcd_digital_priv *priv; + struct device *dev = &pdev->dev; + void __iomem *base; + struct regmap *digital_map; + int ret; + + priv = devm_kzalloc(dev, sizeof(*priv), GFP_KERNEL); + if (!priv) + return -ENOMEM; + + base = devm_platform_ioremap_resource(pdev, 0); + if (IS_ERR(base)) + return PTR_ERR(base); + + digital_map = + devm_regmap_init_mmio(&pdev->dev, base, + &msm8916_codec_regmap_config); + if (IS_ERR(digital_map)) + return PTR_ERR(digital_map); + + ret = msm8916_wcd_digital_get_clks(pdev, priv); + if (ret < 0) + return ret; + + ret = clk_prepare_enable(priv->ahbclk); + if (ret < 0) { + dev_err(dev, "failed to enable ahbclk %d\n", ret); + return ret; + } + + ret = clk_prepare_enable(priv->mclk); + if (ret < 0) { + dev_err(dev, "failed to enable mclk %d\n", ret); + goto err_clk; + } + + dev_set_drvdata(dev, priv); + + ret = devm_snd_soc_register_component(dev, &msm8916_wcd_digital, + msm8916_wcd_digital_dai, + ARRAY_SIZE(msm8916_wcd_digital_dai)); + if (ret) + goto err_mclk; + + return 0; + +err_mclk: + clk_disable_unprepare(priv->mclk); +err_clk: + clk_disable_unprepare(priv->ahbclk); + return ret; +} + +static int msm8916_wcd_digital_remove(struct platform_device *pdev) +{ + struct msm8916_wcd_digital_priv *priv = dev_get_drvdata(&pdev->dev); + + clk_disable_unprepare(priv->mclk); + clk_disable_unprepare(priv->ahbclk); + + return 0; +} + +static const struct of_device_id msm8916_wcd_digital_match_table[] = { + { .compatible = "qcom,msm8916-wcd-digital-codec" }, + { } +}; + +MODULE_DEVICE_TABLE(of, msm8916_wcd_digital_match_table); + +static struct platform_driver msm8916_wcd_digital_driver = { + .driver = { + .name = "msm8916-wcd-digital-codec", + .of_match_table = msm8916_wcd_digital_match_table, + }, + .probe = msm8916_wcd_digital_probe, + .remove = msm8916_wcd_digital_remove, +}; + +module_platform_driver(msm8916_wcd_digital_driver); + +MODULE_AUTHOR("Srinivas Kandagatla <srinivas.kandagatla@linaro.org>"); +MODULE_DESCRIPTION("MSM8916 WCD Digital Codec driver"); +MODULE_LICENSE("GPL v2"); |