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linux/sound/soc/codecs/msm8916-wcd-digital.c
Stephan Gerhold 85578bbd64
ASoC: msm8916-wcd-digital: Reset RX interpolation path after use 
For some reason, attempting to route audio through QDSP6 on MSM8916
causes the RX interpolation path to get "stuck" after playing audio
a few times. In this situation, the analog codec part is still working,
but the RX path in the digital codec stops working, so you only hear
the analog parts powering up. After a reboot everything works again.

So far I was not able to reproduce the problem when using lpass-cpu.

The downstream kernel driver avoids this by resetting the RX
interpolation path after use. In mainline we do something similar
for the TX decimator (LPASS_CDC_CLK_TX_RESET_B1_CTL), but the
interpolator reset (LPASS_CDC_CLK_RX_RESET_CTL) got lost when the
msm8916-wcd driver was split into analog and digital.

Fix this problem by adding the reset to
msm8916_wcd_digital_enable_interpolator().

Fixes: 150db8c5af ("ASoC: codecs: Add msm8916-wcd digital codec")
Cc: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
Signed-off-by: Stephan Gerhold <stephan@gerhold.net>
Link: https://lore.kernel.org/r/20200105102753.83108-1-stephan@gerhold.net
Signed-off-by: Mark Brown <broonie@kernel.org>
2020-01-13 15:12:28 +00:00

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// 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 -38.4 dB to +38.4 dB in 0.3 dB steps */
static const DECLARE_TLV_DB_SCALE(digital_gain, -3840, 30, 0);
/* 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_read32(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_read32(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_read32(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_read32(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_read32(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,
-128, 127, digital_gain),
SOC_SINGLE_S8_TLV("RX2 Digital Volume", LPASS_CDC_RX2_VOL_CTL_B2_CTL,
-128, 127, digital_gain),
SOC_SINGLE_S8_TLV("RX3 Digital Volume", LPASS_CDC_RX3_VOL_CTL_B2_CTL,
-128, 127, digital_gain),
SOC_SINGLE_S8_TLV("TX1 Digital Volume", LPASS_CDC_TX1_VOL_CTL_GAIN,
-128, 127, digital_gain),
SOC_SINGLE_S8_TLV("TX2 Digital Volume", LPASS_CDC_TX2_VOL_CTL_GAIN,
-128, 127, 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_SX_TLV("IIR1 INP1 Volume", LPASS_CDC_IIR1_GAIN_B1_CTL,
0, -84, 40, digital_gain),
SOC_SINGLE_SX_TLV("IIR1 INP2 Volume", LPASS_CDC_IIR1_GAIN_B2_CTL,
0, -84, 40, digital_gain),
SOC_SINGLE_SX_TLV("IIR1 INP3 Volume", LPASS_CDC_IIR1_GAIN_B3_CTL,
0, -84, 40, digital_gain),
SOC_SINGLE_SX_TLV("IIR1 INP4 Volume", LPASS_CDC_IIR1_GAIN_B4_CTL,
0, -84, 40, digital_gain),
SOC_SINGLE_SX_TLV("IIR2 INP1 Volume", LPASS_CDC_IIR2_GAIN_B1_CTL,
0, -84, 40, digital_gain),
SOC_SINGLE_SX_TLV("IIR2 INP2 Volume", LPASS_CDC_IIR2_GAIN_B2_CTL,
0, -84, 40, digital_gain),
SOC_SINGLE_SX_TLV("IIR2 INP3 Volume", LPASS_CDC_IIR2_GAIN_B3_CTL,
0, -84, 40, digital_gain),
SOC_SINGLE_SX_TLV("IIR2 INP4 Volume", LPASS_CDC_IIR2_GAIN_B4_CTL,
0, -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_read32(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_read32(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_read32(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);
return ret;
}
dev_set_drvdata(dev, priv);
return devm_snd_soc_register_component(dev, &msm8916_wcd_digital,
msm8916_wcd_digital_dai,
ARRAY_SIZE(msm8916_wcd_digital_dai));
}
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");
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