diff options
Diffstat (limited to 'sound/soc/codecs/madera.c')
| -rw-r--r-- | sound/soc/codecs/madera.c | 4177 |
1 files changed, 4177 insertions, 0 deletions
diff --git a/sound/soc/codecs/madera.c b/sound/soc/codecs/madera.c new file mode 100644 index 000000000000..1b1be19a2f99 --- /dev/null +++ b/sound/soc/codecs/madera.c @@ -0,0 +1,4177 @@ +// SPDX-License-Identifier: GPL-2.0-only +// +// Cirrus Logic Madera class codecs common support +// +// Copyright (C) 2015-2019 Cirrus Logic, Inc. and +// Cirrus Logic International Semiconductor Ltd. +// + +#include <linux/delay.h> +#include <linux/gcd.h> +#include <linux/module.h> +#include <linux/pm_runtime.h> +#include <linux/slab.h> +#include <sound/pcm.h> +#include <sound/pcm_params.h> +#include <sound/tlv.h> + +#include <linux/irqchip/irq-madera.h> +#include <linux/mfd/madera/core.h> +#include <linux/mfd/madera/registers.h> +#include <linux/mfd/madera/pdata.h> +#include <sound/madera-pdata.h> + +#include <dt-bindings/sound/madera.h> + +#include "madera.h" + +#define MADERA_AIF_BCLK_CTRL 0x00 +#define MADERA_AIF_TX_PIN_CTRL 0x01 +#define MADERA_AIF_RX_PIN_CTRL 0x02 +#define MADERA_AIF_RATE_CTRL 0x03 +#define MADERA_AIF_FORMAT 0x04 +#define MADERA_AIF_RX_BCLK_RATE 0x06 +#define MADERA_AIF_FRAME_CTRL_1 0x07 +#define MADERA_AIF_FRAME_CTRL_2 0x08 +#define MADERA_AIF_FRAME_CTRL_3 0x09 +#define MADERA_AIF_FRAME_CTRL_4 0x0A +#define MADERA_AIF_FRAME_CTRL_5 0x0B +#define MADERA_AIF_FRAME_CTRL_6 0x0C +#define MADERA_AIF_FRAME_CTRL_7 0x0D +#define MADERA_AIF_FRAME_CTRL_8 0x0E +#define MADERA_AIF_FRAME_CTRL_9 0x0F +#define MADERA_AIF_FRAME_CTRL_10 0x10 +#define MADERA_AIF_FRAME_CTRL_11 0x11 +#define MADERA_AIF_FRAME_CTRL_12 0x12 +#define MADERA_AIF_FRAME_CTRL_13 0x13 +#define MADERA_AIF_FRAME_CTRL_14 0x14 +#define MADERA_AIF_FRAME_CTRL_15 0x15 +#define MADERA_AIF_FRAME_CTRL_16 0x16 +#define MADERA_AIF_FRAME_CTRL_17 0x17 +#define MADERA_AIF_FRAME_CTRL_18 0x18 +#define MADERA_AIF_TX_ENABLES 0x19 +#define MADERA_AIF_RX_ENABLES 0x1A +#define MADERA_AIF_FORCE_WRITE 0x1B + +#define MADERA_DSP_CONFIG_1_OFFS 0x00 +#define MADERA_DSP_CONFIG_2_OFFS 0x02 + +#define MADERA_DSP_CLK_SEL_MASK 0x70000 +#define MADERA_DSP_CLK_SEL_SHIFT 16 + +#define MADERA_DSP_RATE_MASK 0x7800 +#define MADERA_DSP_RATE_SHIFT 11 + +#define MADERA_SYSCLK_6MHZ 0 +#define MADERA_SYSCLK_12MHZ 1 +#define MADERA_SYSCLK_24MHZ 2 +#define MADERA_SYSCLK_49MHZ 3 +#define MADERA_SYSCLK_98MHZ 4 + +#define MADERA_DSPCLK_9MHZ 0 +#define MADERA_DSPCLK_18MHZ 1 +#define MADERA_DSPCLK_36MHZ 2 +#define MADERA_DSPCLK_73MHZ 3 +#define MADERA_DSPCLK_147MHZ 4 + +#define MADERA_FLL_VCO_CORNER 141900000 +#define MADERA_FLL_MAX_FREF 13500000 +#define MADERA_FLL_MAX_N 1023 +#define MADERA_FLL_MIN_FOUT 90000000 +#define MADERA_FLL_MAX_FOUT 100000000 +#define MADERA_FLL_MAX_FRATIO 16 +#define MADERA_FLL_MAX_REFDIV 8 +#define MADERA_FLL_OUTDIV 3 +#define MADERA_FLL_VCO_MULT 3 +#define MADERA_FLLAO_MAX_FREF 12288000 +#define MADERA_FLLAO_MIN_N 4 +#define MADERA_FLLAO_MAX_N 1023 +#define MADERA_FLLAO_MAX_FBDIV 254 + +#define MADERA_FLL_SYNCHRONISER_OFFS 0x10 +#define CS47L35_FLL_SYNCHRONISER_OFFS 0xE +#define MADERA_FLL_CONTROL_1_OFFS 0x1 +#define MADERA_FLL_CONTROL_2_OFFS 0x2 +#define MADERA_FLL_CONTROL_3_OFFS 0x3 +#define MADERA_FLL_CONTROL_4_OFFS 0x4 +#define MADERA_FLL_CONTROL_5_OFFS 0x5 +#define MADERA_FLL_CONTROL_6_OFFS 0x6 +#define MADERA_FLL_CONTROL_7_OFFS 0x9 +#define MADERA_FLL_EFS_2_OFFS 0xA +#define MADERA_FLL_SYNCHRONISER_1_OFFS 0x1 +#define MADERA_FLL_SYNCHRONISER_2_OFFS 0x2 +#define MADERA_FLL_SYNCHRONISER_3_OFFS 0x3 +#define MADERA_FLL_SYNCHRONISER_4_OFFS 0x4 +#define MADERA_FLL_SYNCHRONISER_5_OFFS 0x5 +#define MADERA_FLL_SYNCHRONISER_6_OFFS 0x6 +#define MADERA_FLL_SYNCHRONISER_7_OFFS 0x7 +#define MADERA_FLL_SPREAD_SPECTRUM_OFFS 0x9 +#define MADERA_FLL_GPIO_CLOCK_OFFS 0xA + +#define MADERA_FLLAO_CONTROL_1_OFFS 0x1 +#define MADERA_FLLAO_CONTROL_2_OFFS 0x2 +#define MADERA_FLLAO_CONTROL_3_OFFS 0x3 +#define MADERA_FLLAO_CONTROL_4_OFFS 0x4 +#define MADERA_FLLAO_CONTROL_5_OFFS 0x5 +#define MADERA_FLLAO_CONTROL_6_OFFS 0x6 +#define MADERA_FLLAO_CONTROL_7_OFFS 0x8 +#define MADERA_FLLAO_CONTROL_8_OFFS 0xA +#define MADERA_FLLAO_CONTROL_9_OFFS 0xB +#define MADERA_FLLAO_CONTROL_10_OFFS 0xC +#define MADERA_FLLAO_CONTROL_11_OFFS 0xD + +#define MADERA_FMT_DSP_MODE_A 0 +#define MADERA_FMT_DSP_MODE_B 1 +#define MADERA_FMT_I2S_MODE 2 +#define MADERA_FMT_LEFT_JUSTIFIED_MODE 3 + +#define madera_fll_err(_fll, fmt, ...) \ + dev_err(_fll->madera->dev, "FLL%d: " fmt, _fll->id, ##__VA_ARGS__) +#define madera_fll_warn(_fll, fmt, ...) \ + dev_warn(_fll->madera->dev, "FLL%d: " fmt, _fll->id, ##__VA_ARGS__) +#define madera_fll_dbg(_fll, fmt, ...) \ + dev_dbg(_fll->madera->dev, "FLL%d: " fmt, _fll->id, ##__VA_ARGS__) + +#define madera_aif_err(_dai, fmt, ...) \ + dev_err(_dai->dev, "AIF%d: " fmt, _dai->id, ##__VA_ARGS__) +#define madera_aif_warn(_dai, fmt, ...) \ + dev_warn(_dai->dev, "AIF%d: " fmt, _dai->id, ##__VA_ARGS__) +#define madera_aif_dbg(_dai, fmt, ...) \ + dev_dbg(_dai->dev, "AIF%d: " fmt, _dai->id, ##__VA_ARGS__) + +static const int madera_dsp_bus_error_irqs[MADERA_MAX_ADSP] = { + MADERA_IRQ_DSP1_BUS_ERR, + MADERA_IRQ_DSP2_BUS_ERR, + MADERA_IRQ_DSP3_BUS_ERR, + MADERA_IRQ_DSP4_BUS_ERR, + MADERA_IRQ_DSP5_BUS_ERR, + MADERA_IRQ_DSP6_BUS_ERR, + MADERA_IRQ_DSP7_BUS_ERR, +}; + +static void madera_spin_sysclk(struct madera_priv *priv) +{ + struct madera *madera = priv->madera; + unsigned int val; + int ret, i; + + /* Skip this if the chip is down */ + if (pm_runtime_suspended(madera->dev)) + return; + + /* + * Just read a register a few times to ensure the internal + * oscillator sends out a few clocks. + */ + for (i = 0; i < 4; i++) { + ret = regmap_read(madera->regmap, MADERA_SOFTWARE_RESET, &val); + if (ret) + dev_err(madera->dev, + "Failed to read sysclk spin %d: %d\n", i, ret); + } + + udelay(300); +} + +int madera_sysclk_ev(struct snd_soc_dapm_widget *w, + struct snd_kcontrol *kcontrol, int event) +{ + struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm); + struct madera_priv *priv = snd_soc_component_get_drvdata(component); + + madera_spin_sysclk(priv); + + return 0; +} +EXPORT_SYMBOL_GPL(madera_sysclk_ev); + +static int madera_check_speaker_overheat(struct madera *madera, + bool *warn, bool *shutdown) +{ + unsigned int val; + int ret; + + ret = regmap_read(madera->regmap, MADERA_IRQ1_RAW_STATUS_15, &val); + if (ret) { + dev_err(madera->dev, "Failed to read thermal status: %d\n", + ret); + return ret; + } + + *warn = val & MADERA_SPK_OVERHEAT_WARN_STS1; + *shutdown = val & MADERA_SPK_OVERHEAT_STS1; + + return 0; +} + +int madera_spk_ev(struct snd_soc_dapm_widget *w, + struct snd_kcontrol *kcontrol, int event) +{ + struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm); + struct madera_priv *priv = snd_soc_component_get_drvdata(component); + struct madera *madera = priv->madera; + bool warn, shutdown; + int ret; + + switch (event) { + case SND_SOC_DAPM_POST_PMU: + ret = madera_check_speaker_overheat(madera, &warn, &shutdown); + if (ret) + return ret; + + if (shutdown) { + dev_crit(madera->dev, + "Speaker not enabled due to temperature\n"); + return -EBUSY; + } + + regmap_update_bits(madera->regmap, MADERA_OUTPUT_ENABLES_1, + 1 << w->shift, 1 << w->shift); + break; + case SND_SOC_DAPM_PRE_PMD: + regmap_update_bits(madera->regmap, MADERA_OUTPUT_ENABLES_1, + 1 << w->shift, 0); + break; + default: + break; + } + + return 0; +} +EXPORT_SYMBOL_GPL(madera_spk_ev); + +static irqreturn_t madera_thermal_warn(int irq, void *data) +{ + struct madera *madera = data; + bool warn, shutdown; + int ret; + + ret = madera_check_speaker_overheat(madera, &warn, &shutdown); + if (ret || shutdown) { /* for safety attempt to shutdown on error */ + dev_crit(madera->dev, "Thermal shutdown\n"); + ret = regmap_update_bits(madera->regmap, + MADERA_OUTPUT_ENABLES_1, + MADERA_OUT4L_ENA | + MADERA_OUT4R_ENA, 0); + if (ret != 0) + dev_crit(madera->dev, + "Failed to disable speaker outputs: %d\n", + ret); + } else if (warn) { + dev_alert(madera->dev, "Thermal warning\n"); + } else { + dev_info(madera->dev, "Spurious thermal warning\n"); + return IRQ_NONE; + } + + return IRQ_HANDLED; +} + +int madera_init_overheat(struct madera_priv *priv) +{ + struct madera *madera = priv->madera; + struct device *dev = madera->dev; + int ret; + + ret = madera_request_irq(madera, MADERA_IRQ_SPK_OVERHEAT_WARN, + "Thermal warning", madera_thermal_warn, + madera); + if (ret) + dev_err(dev, "Failed to get thermal warning IRQ: %d\n", ret); + + ret = madera_request_irq(madera, MADERA_IRQ_SPK_OVERHEAT, + "Thermal shutdown", madera_thermal_warn, + madera); + if (ret) + dev_err(dev, "Failed to get thermal shutdown IRQ: %d\n", ret); + + return 0; +} +EXPORT_SYMBOL_GPL(madera_init_overheat); + +int madera_free_overheat(struct madera_priv *priv) +{ + struct madera *madera = priv->madera; + + madera_free_irq(madera, MADERA_IRQ_SPK_OVERHEAT_WARN, madera); + madera_free_irq(madera, MADERA_IRQ_SPK_OVERHEAT, madera); + + return 0; +} +EXPORT_SYMBOL_GPL(madera_free_overheat); + +int madera_core_init(struct madera_priv *priv) +{ + int i; + + /* trap undersized array initializers */ + BUILD_BUG_ON(!madera_mixer_texts[MADERA_NUM_MIXER_INPUTS - 1]); + BUILD_BUG_ON(!madera_mixer_values[MADERA_NUM_MIXER_INPUTS - 1]); + + mutex_init(&priv->rate_lock); + + for (i = 0; i < MADERA_MAX_HP_OUTPUT; i++) + priv->madera->out_clamp[i] = true; + + return 0; +} +EXPORT_SYMBOL_GPL(madera_core_init); + +int madera_core_free(struct madera_priv *priv) +{ + mutex_destroy(&priv->rate_lock); + + return 0; +} +EXPORT_SYMBOL_GPL(madera_core_free); + +static void madera_debug_dump_domain_groups(const struct madera_priv *priv) +{ + struct madera *madera = priv->madera; + int i; + + for (i = 0; i < ARRAY_SIZE(priv->domain_group_ref); ++i) + dev_dbg(madera->dev, "domain_grp_ref[%d]=%d\n", i, + priv->domain_group_ref[i]); +} + +int madera_domain_clk_ev(struct snd_soc_dapm_widget *w, + struct snd_kcontrol *kcontrol, + int event) +{ + struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm); + struct madera_priv *priv = snd_soc_component_get_drvdata(component); + int dom_grp = w->shift; + + if (dom_grp >= ARRAY_SIZE(priv->domain_group_ref)) { + WARN(true, "%s dom_grp exceeds array size\n", __func__); + return -EINVAL; + } + + /* + * We can't rely on the DAPM mutex for locking because we need a lock + * that can safely be called in hw_params + */ + mutex_lock(&priv->rate_lock); + + switch (event) { + case SND_SOC_DAPM_PRE_PMU: + dev_dbg(priv->madera->dev, "Inc ref on domain group %d\n", + dom_grp); + ++priv->domain_group_ref[dom_grp]; + break; + case SND_SOC_DAPM_POST_PMD: + dev_dbg(priv->madera->dev, "Dec ref on domain group %d\n", + dom_grp); + --priv->domain_group_ref[dom_grp]; + break; + default: + break; + } + + madera_debug_dump_domain_groups(priv); + + mutex_unlock(&priv->rate_lock); + + return 0; +} +EXPORT_SYMBOL_GPL(madera_domain_clk_ev); + +int madera_out1_demux_put(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) +{ + struct snd_soc_component *component = + snd_soc_dapm_kcontrol_component(kcontrol); + struct snd_soc_dapm_context *dapm = + snd_soc_dapm_kcontrol_dapm(kcontrol); + struct madera_priv *priv = snd_soc_component_get_drvdata(component); + struct madera *madera = priv->madera; + struct soc_enum *e = (struct soc_enum *)kcontrol->private_value; + unsigned int ep_sel, mux, change; + bool out_mono; + int ret; + + if (ucontrol->value.enumerated.item[0] > e->items - 1) + return -EINVAL; + + mux = ucontrol->value.enumerated.item[0]; + + snd_soc_dapm_mutex_lock(dapm); + + ep_sel = mux << MADERA_EP_SEL_SHIFT; + + change = snd_soc_component_test_bits(component, MADERA_OUTPUT_ENABLES_1, + MADERA_EP_SEL_MASK, + ep_sel); + if (!change) + goto end; + + /* EP_SEL should not be modified while HP or EP driver is enabled */ + ret = regmap_update_bits(madera->regmap, MADERA_OUTPUT_ENABLES_1, + MADERA_OUT1L_ENA | MADERA_OUT1R_ENA, 0); + if (ret) + dev_warn(madera->dev, "Failed to disable outputs: %d\n", ret); + + usleep_range(2000, 3000); /* wait for wseq to complete */ + + /* change demux setting */ + if (madera->out_clamp[0]) + ret = regmap_update_bits(madera->regmap, + MADERA_OUTPUT_ENABLES_1, + MADERA_EP_SEL_MASK, ep_sel); + if (ret) { + dev_err(madera->dev, "Failed to set OUT1 demux: %d\n", ret); + } else { + /* apply correct setting for mono mode */ + if (!ep_sel && !madera->pdata.codec.out_mono[0]) + out_mono = false; /* stereo HP */ + else + out_mono = true; /* EP or mono HP */ + + ret = madera_set_output_mode(component, 1, out_mono); + if (ret) + dev_warn(madera->dev, + "Failed to set output mode: %d\n", ret); + } + + /* + * if HPDET has disabled the clamp while switching to HPOUT + * OUT1 should remain disabled + */ + if (ep_sel || + (madera->out_clamp[0] && !madera->out_shorted[0])) { + ret = regmap_update_bits(madera->regmap, + MADERA_OUTPUT_ENABLES_1, + MADERA_OUT1L_ENA | MADERA_OUT1R_ENA, + madera->hp_ena); + if (ret) + dev_warn(madera->dev, + "Failed to restore earpiece outputs: %d\n", + ret); + else if (madera->hp_ena) + msleep(34); /* wait for enable wseq */ + else + usleep_range(2000, 3000); /* wait for disable wseq */ + } + +end: + snd_soc_dapm_mutex_unlock(dapm); + + return snd_soc_dapm_mux_update_power(dapm, kcontrol, mux, e, NULL); +} +EXPORT_SYMBOL_GPL(madera_out1_demux_put); + +int madera_out1_demux_get(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) +{ + struct snd_soc_component *component = + snd_soc_dapm_kcontrol_component(kcontrol); + unsigned int val; + int ret; + + ret = snd_soc_component_read(component, MADERA_OUTPUT_ENABLES_1, &val); + if (ret) + return ret; + + val &= MADERA_EP_SEL_MASK; + val >>= MADERA_EP_SEL_SHIFT; + ucontrol->value.enumerated.item[0] = val; + + return 0; +} +EXPORT_SYMBOL_GPL(madera_out1_demux_get); + +static int madera_inmux_put(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) +{ + struct snd_soc_component *component = + snd_soc_dapm_kcontrol_component(kcontrol); + struct snd_soc_dapm_context *dapm = + snd_soc_dapm_kcontrol_dapm(kcontrol); + struct madera_priv *priv = snd_soc_component_get_drvdata(component); + struct madera *madera = priv->madera; + struct regmap *regmap = madera->regmap; + struct soc_enum *e = (struct soc_enum *)kcontrol->private_value; + unsigned int mux, val, mask; + unsigned int inmode; + bool changed; + int ret; + + mux = ucontrol->value.enumerated.item[0]; + if (mux > 1) + return -EINVAL; + + val = mux << e->shift_l; + mask = (e->mask << e->shift_l) | MADERA_IN1L_SRC_SE_MASK; + + switch (e->reg) { + case MADERA_ADC_DIGITAL_VOLUME_1L: + inmode = madera->pdata.codec.inmode[0][2 * mux]; + break; + case MADERA_ADC_DIGITAL_VOLUME_1R: + inmode = madera->pdata.codec.inmode[0][1 + (2 * mux)]; + break; + case MADERA_ADC_DIGITAL_VOLUME_2L: + inmode = madera->pdata.codec.inmode[1][2 * mux]; + break; + case MADERA_ADC_DIGITAL_VOLUME_2R: + inmode = madera->pdata.codec.inmode[1][1 + (2 * mux)]; + break; + default: + return -EINVAL; + } + + if (inmode & MADERA_INMODE_SE) + val |= 1 << MADERA_IN1L_SRC_SE_SHIFT; + + dev_dbg(madera->dev, "mux=%u reg=0x%x inmode=0x%x mask=0x%x val=0x%x\n", + mux, e->reg, inmode, mask, val); + + ret = regmap_update_bits_check(regmap, e->reg, mask, val, &changed); + if (ret < 0) + return ret; + + if (changed) + return snd_soc_dapm_mux_update_power(dapm, kcontrol, + mux, e, NULL); + else + return 0; +} + +static const char * const madera_inmux_texts[] = { + "A", + "B", +}; + +static SOC_ENUM_SINGLE_DECL(madera_in1muxl_enum, + MADERA_ADC_DIGITAL_VOLUME_1L, + MADERA_IN1L_SRC_SHIFT, + madera_inmux_texts); + +static SOC_ENUM_SINGLE_DECL(madera_in1muxr_enum, + MADERA_ADC_DIGITAL_VOLUME_1R, + MADERA_IN1R_SRC_SHIFT, + madera_inmux_texts); + +static SOC_ENUM_SINGLE_DECL(madera_in2muxl_enum, + MADERA_ADC_DIGITAL_VOLUME_2L, + MADERA_IN2L_SRC_SHIFT, + madera_inmux_texts); + +static SOC_ENUM_SINGLE_DECL(madera_in2muxr_enum, + MADERA_ADC_DIGITAL_VOLUME_2R, + MADERA_IN2R_SRC_SHIFT, + madera_inmux_texts); + +const struct snd_kcontrol_new madera_inmux[] = { + SOC_DAPM_ENUM_EXT("IN1L Mux", madera_in1muxl_enum, + snd_soc_dapm_get_enum_double, madera_inmux_put), + SOC_DAPM_ENUM_EXT("IN1R Mux", madera_in1muxr_enum, + snd_soc_dapm_get_enum_double, madera_inmux_put), + SOC_DAPM_ENUM_EXT("IN2L Mux", madera_in2muxl_enum, + snd_soc_dapm_get_enum_double, madera_inmux_put), + SOC_DAPM_ENUM_EXT("IN2R Mux", madera_in2muxr_enum, + snd_soc_dapm_get_enum_double, madera_inmux_put), +}; +EXPORT_SYMBOL_GPL(madera_inmux); + +static const char * const madera_dmode_texts[] = { + "Analog", + "Digital", +}; + +static SOC_ENUM_SINGLE_DECL(madera_in1dmode_enum, + MADERA_IN1L_CONTROL, + MADERA_IN1_MODE_SHIFT, + madera_dmode_texts); + +static SOC_ENUM_SINGLE_DECL(madera_in2dmode_enum, + MADERA_IN2L_CONTROL, + MADERA_IN2_MODE_SHIFT, + madera_dmode_texts); + +static SOC_ENUM_SINGLE_DECL(madera_in3dmode_enum, + MADERA_IN3L_CONTROL, + MADERA_IN3_MODE_SHIFT, + madera_dmode_texts); + +const struct snd_kcontrol_new madera_inmode[] = { + SOC_DAPM_ENUM("IN1 Mode", madera_in1dmode_enum), + SOC_DAPM_ENUM("IN2 Mode", madera_in2dmode_enum), + SOC_DAPM_ENUM("IN3 Mode", madera_in3dmode_enum), +}; +EXPORT_SYMBOL_GPL(madera_inmode); + +static bool madera_can_change_grp_rate(const struct madera_priv *priv, + unsigned int reg) +{ + int count; + + switch (reg) { + case MADERA_FX_CTRL1: + count = priv->domain_group_ref[MADERA_DOM_GRP_FX]; + break; + case MADERA_ASRC1_RATE1: + case MADERA_ASRC1_RATE2: + count = priv->domain_group_ref[MADERA_DOM_GRP_ASRC1]; + break; + case MADERA_ASRC2_RATE1: + case MADERA_ASRC2_RATE2: + count = priv->domain_group_ref[MADERA_DOM_GRP_ASRC2]; + break; + case MADERA_ISRC_1_CTRL_1: + case MADERA_ISRC_1_CTRL_2: + count = priv->domain_group_ref[MADERA_DOM_GRP_ISRC1]; + break; + case MADERA_ISRC_2_CTRL_1: + case MADERA_ISRC_2_CTRL_2: + count = priv->domain_group_ref[MADERA_DOM_GRP_ISRC2]; + break; + case MADERA_ISRC_3_CTRL_1: + case MADERA_ISRC_3_CTRL_2: + count = priv->domain_group_ref[MADERA_DOM_GRP_ISRC3]; + break; + case MADERA_ISRC_4_CTRL_1: + case MADERA_ISRC_4_CTRL_2: + count = priv->domain_group_ref[MADERA_DOM_GRP_ISRC4]; + break; + case MADERA_OUTPUT_RATE_1: + count = priv->domain_group_ref[MADERA_DOM_GRP_OUT]; + break; + case MADERA_SPD1_TX_CONTROL: + count = priv->domain_group_ref[MADERA_DOM_GRP_SPD]; + break; + case MADERA_DSP1_CONFIG_1: + case MADERA_DSP1_CONFIG_2: + count = priv->domain_group_ref[MADERA_DOM_GRP_DSP1]; + break; + case MADERA_DSP2_CONFIG_1: + case MADERA_DSP2_CONFIG_2: + count = priv->domain_group_ref[MADERA_DOM_GRP_DSP2]; + break; + case MADERA_DSP3_CONFIG_1: + case MADERA_DSP3_CONFIG_2: + count = priv->domain_group_ref[MADERA_DOM_GRP_DSP3]; + break; + case MADERA_DSP4_CONFIG_1: + case MADERA_DSP4_CONFIG_2: + count = priv->domain_group_ref[MADERA_DOM_GRP_DSP4]; + break; + case MADERA_DSP5_CONFIG_1: + case MADERA_DSP5_CONFIG_2: + count = priv->domain_group_ref[MADERA_DOM_GRP_DSP5]; + break; + case MADERA_DSP6_CONFIG_1: + case MADERA_DSP6_CONFIG_2: + count = priv->domain_group_ref[MADERA_DOM_GRP_DSP6]; + break; + case MADERA_DSP7_CONFIG_1: + case MADERA_DSP7_CONFIG_2: + count = priv->domain_group_ref[MADERA_DOM_GRP_DSP7]; + break; + case MADERA_AIF1_RATE_CTRL: + count = priv->domain_group_ref[MADERA_DOM_GRP_AIF1]; + break; + case MADERA_AIF2_RATE_CTRL: + count = priv->domain_group_ref[MADERA_DOM_GRP_AIF2]; + break; + case MADERA_AIF3_RATE_CTRL: + count = priv->domain_group_ref[MADERA_DOM_GRP_AIF3]; + break; + case MADERA_AIF4_RATE_CTRL: + count = priv->domain_group_ref[MADERA_DOM_GRP_AIF4]; + break; + case MADERA_SLIMBUS_RATES_1: + case MADERA_SLIMBUS_RATES_2: + case MADERA_SLIMBUS_RATES_3: + case MADERA_SLIMBUS_RATES_4: + case MADERA_SLIMBUS_RATES_5: + case MADERA_SLIMBUS_RATES_6: + case MADERA_SLIMBUS_RATES_7: + case MADERA_SLIMBUS_RATES_8: + count = priv->domain_group_ref[MADERA_DOM_GRP_SLIMBUS]; + break; + case MADERA_PWM_DRIVE_1: + count = priv->domain_group_ref[MADERA_DOM_GRP_PWM]; + break; + default: + return false; + } + + dev_dbg(priv->madera->dev, "Rate reg 0x%x group ref %d\n", reg, count); + + if (count) + return false; + else + return true; +} + +static int madera_adsp_rate_get(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) +{ + struct snd_soc_component *component = + snd_soc_kcontrol_component(kcontrol); + struct madera_priv *priv = snd_soc_component_get_drvdata(component); + struct soc_enum *e = (struct soc_enum *)kcontrol->private_value; + unsigned int cached_rate; + const int adsp_num = e->shift_l; + int item; + + mutex_lock(&priv->rate_lock); + cached_rate = priv->adsp_rate_cache[adsp_num]; + mutex_unlock(&priv->rate_lock); + + item = snd_soc_enum_val_to_item(e, cached_rate); + ucontrol->value.enumerated.item[0] = item; + + return 0; +} + +static int madera_adsp_rate_put(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) +{ + struct snd_soc_component *component = + snd_soc_kcontrol_component(kcontrol); + struct madera_priv *priv = snd_soc_component_get_drvdata(component); + struct soc_enum *e = (struct soc_enum *)kcontrol->private_value; + const int adsp_num = e->shift_l; + const unsigned int item = ucontrol->value.enumerated.item[0]; + int ret; + + if (item >= e->items) + return -EINVAL; + + /* + * We don't directly write the rate register here but we want to + * maintain consistent behaviour that rate domains cannot be changed + * while in use since this is a hardware requirement + */ + mutex_lock(&priv->rate_lock); + + if (!madera_can_change_grp_rate(priv, priv->adsp[adsp_num].base)) { + dev_warn(priv->madera->dev, + "Cannot change '%s' while in use by active audio paths\n", + kcontrol->id.name); + ret = -EBUSY; + } else { + /* Volatile register so defer until the codec is powered up */ + priv->adsp_rate_cache[adsp_num] = e->values[item]; + ret = 0; + } + + mutex_unlock(&priv->rate_lock); + + return ret; +} + +static const struct soc_enum madera_adsp_rate_enum[] = { + SOC_VALUE_ENUM_SINGLE(SND_SOC_NOPM, 0, 0xf, MADERA_RATE_ENUM_SIZE, + madera_rate_text, madera_rate_val), + SOC_VALUE_ENUM_SINGLE(SND_SOC_NOPM, 1, 0xf, MADERA_RATE_ENUM_SIZE, + madera_rate_text, madera_rate_val), + SOC_VALUE_ENUM_SINGLE(SND_SOC_NOPM, 2, 0xf, MADERA_RATE_ENUM_SIZE, + madera_rate_text, madera_rate_val), + SOC_VALUE_ENUM_SINGLE(SND_SOC_NOPM, 3, 0xf, MADERA_RATE_ENUM_SIZE, + madera_rate_text, madera_rate_val), + SOC_VALUE_ENUM_SINGLE(SND_SOC_NOPM, 4, 0xf, MADERA_RATE_ENUM_SIZE, + madera_rate_text, madera_rate_val), + SOC_VALUE_ENUM_SINGLE(SND_SOC_NOPM, 5, 0xf, MADERA_RATE_ENUM_SIZE, + madera_rate_text, madera_rate_val), + SOC_VALUE_ENUM_SINGLE(SND_SOC_NOPM, 6, 0xf, MADERA_RATE_ENUM_SIZE, + madera_rate_text, madera_rate_val), +}; + +const struct snd_kcontrol_new madera_adsp_rate_controls[] = { + SOC_ENUM_EXT("DSP1 Rate", madera_adsp_rate_enum[0], + madera_adsp_rate_get, madera_adsp_rate_put), + SOC_ENUM_EXT("DSP2 Rate", madera_adsp_rate_enum[1], + madera_adsp_rate_get, madera_adsp_rate_put), + SOC_ENUM_EXT("DSP3 Rate", madera_adsp_rate_enum[2], + madera_adsp_rate_get, madera_adsp_rate_put), + SOC_ENUM_EXT("DSP4 Rate", madera_adsp_rate_enum[3], + madera_adsp_rate_get, madera_adsp_rate_put), + SOC_ENUM_EXT("DSP5 Rate", madera_adsp_rate_enum[4], + madera_adsp_rate_get, madera_adsp_rate_put), + SOC_ENUM_EXT("DSP6 Rate", madera_adsp_rate_enum[5], + madera_adsp_rate_get, madera_adsp_rate_put), + SOC_ENUM_EXT("DSP7 Rate", madera_adsp_rate_enum[6], + madera_adsp_rate_get, madera_adsp_rate_put), +}; +EXPORT_SYMBOL_GPL(madera_adsp_rate_controls); + +static int madera_write_adsp_clk_setting(struct madera_priv *priv, + struct wm_adsp *dsp, + unsigned int freq) +{ + unsigned int val; + unsigned int mask = MADERA_DSP_RATE_MASK; + int ret; + + val = priv->adsp_rate_cache[dsp->num - 1] << MADERA_DSP_RATE_SHIFT; + + switch (priv->madera->type) { + case CS47L35: + case CS47L85: + case WM1840: + /* use legacy frequency registers */ + mask |= MADERA_DSP_CLK_SEL_MASK; + val |= (freq << MADERA_DSP_CLK_SEL_SHIFT); + break; + default: + /* Configure exact dsp frequency */ + dev_dbg(priv->madera->dev, "Set DSP frequency to 0x%x\n", freq); + + ret = regmap_write(dsp->regmap, + dsp->base + MADERA_DSP_CONFIG_2_OFFS, freq); + if (ret) + goto err; + break; + } + + ret = regmap_update_bits(dsp->regmap, + dsp->base + MADERA_DSP_CONFIG_1_OFFS, + mask, val); + if (ret) + goto err; + + dev_dbg(priv->madera->dev, "Set DSP clocking to 0x%x\n", val); + + return 0; + +err: + dev_err(dsp->dev, "Failed to set DSP%d clock: %d\n", dsp->num, ret); + + return ret; +} + +int madera_set_adsp_clk(struct madera_priv *priv, int dsp_num, + unsigned int freq) +{ + struct wm_adsp *dsp = &priv->adsp[dsp_num]; + struct madera *madera = priv->madera; + unsigned int cur, new; + int ret; + + /* + * This is called at a higher DAPM priority than the mux widgets so + * the muxes are still off at this point and it's safe to change + * the rate domain control. + * Also called at a lower DAPM priority than the domain group widgets + * so locking the reads of adsp_rate_cache is not necessary as we know + * changes are locked out by the domain_group_ref reference count. + */ + + ret = regmap_read(dsp->regmap, dsp->base, &cur); + if (ret) { + dev_err(madera->dev, + "Failed to read current DSP rate: %d\n", ret); + return ret; + } + + cur &= MADERA_DSP_RATE_MASK; + + new = priv->adsp_rate_cache[dsp->num - 1] << MADERA_DSP_RATE_SHIFT; + + if (new == cur) { + dev_dbg(madera->dev, "DSP rate not changed\n"); + return madera_write_adsp_clk_setting(priv, dsp, freq); + } else { + dev_dbg(madera->dev, "DSP rate changed\n"); + + /* The write must be guarded by a number of SYSCLK cycles */ + madera_spin_sysclk(priv); + ret = madera_write_adsp_clk_setting(priv, dsp, freq); + madera_spin_sysclk(priv); + return ret; + } +} +EXPORT_SYMBOL_GPL(madera_set_adsp_clk); + +int madera_rate_put(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) +{ + struct snd_soc_component *component = + snd_soc_kcontrol_component(kcontrol); + struct madera_priv *priv = snd_soc_component_get_drvdata(component); + struct soc_enum *e = (struct soc_enum *)kcontrol->private_value; + unsigned int item = ucontrol->value.enumerated.item[0]; + unsigned int val; + int ret; + + if (item >= e->items) + return -EINVAL; + + /* + * Prevent the domain powering up while we're checking whether it's + * safe to change rate domain + */ + mutex_lock(&priv->rate_lock); + + ret = snd_soc_component_read(component, e->reg, &val); + if (ret < 0) { + dev_warn(priv->madera->dev, "Failed to read 0x%x (%d)\n", + e->reg, ret); + goto out; + } + val >>= e->shift_l; + val &= e->mask; + if (snd_soc_enum_item_to_val(e, item) == val) { + ret = 0; + goto out; + } + + if (!madera_can_change_grp_rate(priv, e->reg)) { + dev_warn(priv->madera->dev, + "Cannot change '%s' while in use by active audio paths\n", + kcontrol->id.name); + ret = -EBUSY; + } else { + /* The write must be guarded by a number of SYSCLK cycles */ + madera_spin_sysclk(priv); + ret = snd_soc_put_enum_double(kcontrol, ucontrol); + madera_spin_sysclk(priv); + } +out: + mutex_unlock(&priv->rate_lock); + + return ret; +} +EXPORT_SYMBOL_GPL(madera_rate_put); + +static void madera_configure_input_mode(struct madera *madera) +{ + unsigned int dig_mode, ana_mode_l, ana_mode_r; + int max_analogue_inputs, max_dmic_sup, i; + + switch (madera->type) { + case CS47L35: + max_analogue_inputs = 2; + max_dmic_sup = 2; + break; + case CS47L85: + case WM1840: + max_analogue_inputs = 3; + max_dmic_sup = 3; + break; + case CS47L90: + case CS47L91: + max_analogue_inputs = 2; + max_dmic_sup = 2; + break; + default: + max_analogue_inputs = 2; + max_dmic_sup = 4; + break; + } + + /* + * Initialize input modes from the A settings. For muxed inputs the + * B settings will be applied if the mux is changed + */ + for (i = 0; i < max_dmic_sup; i++) { + dev_dbg(madera->dev, "IN%d mode %u:%u:%u:%u\n", i + 1, + madera->pdata.codec.inmode[i][0], + madera->pdata.codec.inmode[i][1], + madera->pdata.codec.inmode[i][2], + madera->pdata.codec.inmode[i][3]); + + dig_mode = madera->pdata.codec.dmic_ref[i] << + MADERA_IN1_DMIC_SUP_SHIFT; + + switch (madera->pdata.codec.inmode[i][0]) { + case MADERA_INMODE_DIFF: + ana_mode_l = 0; + break; + case MADERA_INMODE_SE: + ana_mode_l = 1 << MADERA_IN1L_SRC_SE_SHIFT; + break; + default: + dev_warn(madera->dev, + "IN%dAL Illegal inmode %u ignored\n", + i + 1, madera->pdata.codec.inmode[i][0]); + continue; + } + + switch (madera->pdata.codec.inmode[i][1]) { + case MADERA_INMODE_DIFF: + ana_mode_r = 0; + break; + case MADERA_INMODE_SE: + ana_mode_r = 1 << MADERA_IN1R_SRC_SE_SHIFT; + break; + default: + dev_warn(madera->dev, + "IN%dAR Illegal inmode %u ignored\n", + i + 1, madera->pdata.codec.inmode[i][1]); + continue; + } + + dev_dbg(madera->dev, + "IN%dA DMIC mode=0x%x Analogue mode=0x%x,0x%x\n", + i + 1, dig_mode, ana_mode_l, ana_mode_r); + + regmap_update_bits(madera->regmap, + MADERA_IN1L_CONTROL + (i * 8), + MADERA_IN1_DMIC_SUP_MASK, dig_mode); + + if (i >= max_analogue_inputs) + continue; + + regmap_update_bits(madera->regmap, + MADERA_ADC_DIGITAL_VOLUME_1L + (i * 8), + MADERA_IN1L_SRC_SE_MASK, ana_mode_l); + + regmap_update_bits(madera->regmap, + MADERA_ADC_DIGITAL_VOLUME_1R + (i * 8), + MADERA_IN1R_SRC_SE_MASK, ana_mode_r); + } +} + +int madera_init_inputs(struct snd_soc_component *component) +{ + struct madera_priv *priv = snd_soc_component_get_drvdata(component); + struct madera *madera = priv->madera; + + madera_configure_input_mode(madera); + + return 0; +} +EXPORT_SYMBOL_GPL(madera_init_inputs); + +static const struct snd_soc_dapm_route madera_mono_routes[] = { + { "OUT1R", NULL, "OUT1L" }, + { "OUT2R", NULL, "OUT2L" }, + { "OUT3R", NULL, "OUT3L" }, + { "OUT4R", NULL, "OUT4L" }, + { "OUT5R", NULL, "OUT5L" }, + { "OUT6R", NULL, "OUT6L" }, +}; + +int madera_init_outputs(struct snd_soc_component *component, int n_mono_routes) +{ + struct snd_soc_dapm_context *dapm = + snd_soc_component_get_dapm(component); + struct madera_priv *priv = snd_soc_component_get_drvdata(component); + struct madera *madera = priv->madera; + const struct madera_codec_pdata *pdata = &madera->pdata.codec; + unsigned int val; + int i; + + if (n_mono_routes > MADERA_MAX_OUTPUT) { + dev_warn(madera->dev, + "Requested %d mono outputs, using maximum allowed %d\n", + n_mono_routes, MADERA_MAX_OUTPUT); + n_mono_routes = MADERA_MAX_OUTPUT; + } + + for (i = 0; i < n_mono_routes; i++) { + /* Default is 0 so noop with defaults */ + if (pdata->out_mono[i]) { + val = MADERA_OUT1_MONO; + snd_soc_dapm_add_routes(dapm, + &madera_mono_routes[i], 1); + } else { + val = 0; + } + + regmap_update_bits(madera->regmap, + MADERA_OUTPUT_PATH_CONFIG_1L + (i * 8), + MADERA_OUT1_MONO, val); + + dev_dbg(madera->dev, "OUT%d mono=0x%x\n", i + 1, val); + } + + for (i = 0; i < MADERA_MAX_PDM_SPK; i++) { + dev_dbg(madera->dev, "PDM%d fmt=0x%x mute=0x%x\n", i + 1, + pdata->pdm_fmt[i], pdata->pdm_mute[i]); + + if (pdata->pdm_mute[i]) + regmap_update_bits(madera->regmap, + MADERA_PDM_SPK1_CTRL_1 + (i * 2), + MADERA_SPK1_MUTE_ENDIAN_MASK | + MADERA_SPK1_MUTE_SEQ1_MASK, + pdata->pdm_mute[i]); + + if (pdata->pdm_fmt[i]) + regmap_update_bits(madera->regmap, + MADERA_PDM_SPK1_CTRL_2 + (i * 2), + MADERA_SPK1_FMT_MASK, + pdata->pdm_fmt[i]); + } + + return 0; +} +EXPORT_SYMBOL_GPL(madera_init_outputs); + +int madera_init_bus_error_irq(struct madera_priv *priv, int dsp_num, + irq_handler_t handler) +{ + struct madera *madera = priv->madera; + int ret; + + ret = madera_request_irq(madera, + madera_dsp_bus_error_irqs[dsp_num], + "ADSP2 bus error", + handler, + &priv->adsp[dsp_num]); + if (ret) + dev_err(madera->dev, + "Failed to request DSP Lock region IRQ: %d\n", ret); + + return ret; +} +EXPORT_SYMBOL_GPL(madera_init_bus_error_irq); + +void madera_free_bus_error_irq(struct madera_priv *priv, int dsp_num) +{ + struct madera *madera = priv->madera; + + madera_free_irq(madera, + madera_dsp_bus_error_irqs[dsp_num], + &priv->adsp[dsp_num]); +} +EXPORT_SYMBOL_GPL(madera_free_bus_error_irq); + +const char * const madera_mixer_texts[] = { + "None", + "Tone Generator 1", + "Tone Generator 2", + "Haptics", + "AEC1", + "AEC2", + "Mic Mute Mixer", + "Noise Generator", + "IN1L", + "IN1R", + "IN2L", + "IN2R", + "IN3L", + "IN3R", + "IN4L", + "IN4R", + "IN5L", + "IN5R", + "IN6L", + "IN6R", + "AIF1RX1", + "AIF1RX2", + "AIF1RX3", + "AIF1RX4", + "AIF1RX5", + "AIF1RX6", + "AIF1RX7", + "AIF1RX8", + "AIF2RX1", + "AIF2RX2", + "AIF2RX3", + "AIF2RX4", + "AIF2RX5", + "AIF2RX6", + "AIF2RX7", + "AIF2RX8", + "AIF3RX1", + "AIF3RX2", + "AIF3RX3", + "AIF3RX4", + "AIF4RX1", + "AIF4RX2", + "SLIMRX1", + "SLIMRX2", + "SLIMRX3", + "SLIMRX4", + "SLIMRX5", + "SLIMRX6", + "SLIMRX7", + "SLIMRX8", + "EQ1", + "EQ2", + "EQ3", + "EQ4", + "DRC1L", + "DRC1R", + "DRC2L", + "DRC2R", + "LHPF1", + "LHPF2", + "LHPF3", + "LHPF4", + "DSP1.1", + "DSP1.2", + "DSP1.3", + "DSP1.4", + "DSP1.5", + "DSP1.6", + "DSP2.1", + "DSP2.2", + "DSP2.3", + "DSP2.4", + "DSP2.5", + "DSP2.6", + "DSP3.1", + "DSP3.2", + "DSP3.3", + "DSP3.4", + "DSP3.5", + "DSP3.6", + "DSP4.1", + "DSP4.2", + "DSP4.3", + "DSP4.4", + "DSP4.5", + "DSP4.6", + "DSP5.1", + "DSP5.2", + "DSP5.3", + "DSP5.4", + "DSP5.5", + "DSP5.6", + "DSP6.1", + "DSP6.2", + "DSP6.3", + "DSP6.4", + "DSP6.5", + "DSP6.6", + "DSP7.1", + "DSP7.2", + "DSP7.3", + "DSP7.4", + "DSP7.5", + "DSP7.6", + "ASRC1IN1L", + "ASRC1IN1R", + "ASRC1IN2L", + "ASRC1IN2R", + "ASRC2IN1L", + "ASRC2IN1R", + "ASRC2IN2L", + "ASRC2IN2R", + "ISRC1INT1", + "ISRC1INT2", + "ISRC1INT3", + "ISRC1INT4", + "ISRC1DEC1", + "ISRC1DEC2", + "ISRC1DEC3", + "ISRC1DEC4", + "ISRC2INT1", + "ISRC2INT2", + "ISRC2INT3", + "ISRC2INT4", + "ISRC2DEC1", + "ISRC2DEC2", + "ISRC2DEC3", + "ISRC2DEC4", + "ISRC3INT1", + "ISRC3INT2", + "ISRC3INT3", + "ISRC3INT4", + "ISRC3DEC1", + "ISRC3DEC2", + "ISRC3DEC3", + "ISRC3DEC4", + "ISRC4INT1", + "ISRC4INT2", + "ISRC4DEC1", + "ISRC4DEC2", + "DFC1", + "DFC2", + "DFC3", + "DFC4", + "DFC5", + "DFC6", + "DFC7", + "DFC8", +}; +EXPORT_SYMBOL_GPL(madera_mixer_texts); + +const unsigned int madera_mixer_values[] = { + 0x00, /* None */ + 0x04, /* Tone Generator 1 */ + 0x05, /* Tone Generator 2 */ + 0x06, /* Haptics */ + 0x08, /* AEC */ + 0x09, /* AEC2 */ + 0x0c, /* Noise mixer */ + 0x0d, /* Comfort noise */ + 0x10, /* IN1L */ + 0x11, + 0x12, + 0x13, + 0x14, + 0x15, + 0x16, + 0x17, + 0x18, + 0x19, + 0x1A, + 0x1B, + 0x20, /* AIF1RX1 */ + 0x21, + 0x22, + 0x23, + 0x24, + 0x25, + 0x26, + 0x27, + 0x28, /* AIF2RX1 */ + 0x29, + 0x2a, + 0x2b, + 0x2c, + 0x2d, + 0x2e, + 0x2f, + 0x30, /* AIF3RX1 */ + 0x31, + 0x32, + 0x33, + 0x34, /* AIF4RX1 */ + 0x35, + 0x38, /* SLIMRX1 */ + 0x39, + 0x3a, + 0x3b, + 0x3c, + 0x3d, + 0x3e, + 0x3f, + 0x50, /* EQ1 */ + 0x51, + 0x52, + 0x53, + 0x58, /* DRC1L */ + 0x59, + 0x5a, + 0x5b, + 0x60, /* LHPF1 */ + 0x61, + 0x62, + 0x63, + 0x68, /* DSP1.1 */ + 0x69, + 0x6a, + 0x6b, + 0x6c, + 0x6d, + 0x70, /* DSP2.1 */ + 0x71, + 0x72, + 0x73, + 0x74, + 0x75, + 0x78, /* DSP3.1 */ + 0x79, + 0x7a, + 0x7b, + 0x7c, + 0x7d, + 0x80, /* DSP4.1 */ + 0x81, + 0x82, + 0x83, + 0x84, + 0x85, + 0x88, /* DSP5.1 */ + 0x89, + 0x8a, + 0x8b, + 0x8c, + 0x8d, + 0xc0, /* DSP6.1 */ + 0xc1, + 0xc2, + 0xc3, + 0xc4, + 0xc5, + 0xc8, /* DSP7.1 */ + 0xc9, + 0xca, + 0xcb, + 0xcc, + 0xcd, + 0x90, /* ASRC1IN1L */ + 0x91, + 0x92, + 0x93, + 0x94, /* ASRC2IN1L */ + 0x95, + 0x96, + 0x97, + 0xa0, /* ISRC1INT1 */ + 0xa1, + 0xa2, + 0xa3, + 0xa4, /* ISRC1DEC1 */ + 0xa5, + 0xa6, + 0xa7, + 0xa8, /* ISRC2DEC1 */ + 0xa9, + 0xaa, + 0xab, + 0xac, /* ISRC2INT1 */ + 0xad, + 0xae, + 0xaf, + 0xb0, /* ISRC3DEC1 */ + 0xb1, + 0xb2, + 0xb3, + 0xb4, /* ISRC3INT1 */ + 0xb5, + 0xb6, + 0xb7, + 0xb8, /* ISRC4INT1 */ + 0xb9, + 0xbc, /* ISRC4DEC1 */ + 0xbd, + 0xf8, /* DFC1 */ + 0xf9, + 0xfa, + 0xfb, + 0xfc, + 0xfd, + 0xfe, + 0xff, /* DFC8 */ +}; +EXPORT_SYMBOL_GPL(madera_mixer_values); + +const DECLARE_TLV_DB_SCALE(madera_ana_tlv, 0, 100, 0); +EXPORT_SYMBOL_GPL(madera_ana_tlv); + +const DECLARE_TLV_DB_SCALE(madera_eq_tlv, -1200, 100, 0); +EXPORT_SYMBOL_GPL(madera_eq_tlv); + +const DECLARE_TLV_DB_SCALE(madera_digital_tlv, -6400, 50, 0); +EXPORT_SYMBOL_GPL(madera_digital_tlv); + +const DECLARE_TLV_DB_SCALE(madera_noise_tlv, -13200, 600, 0); +EXPORT_SYMBOL_GPL(madera_noise_tlv); + +const DECLARE_TLV_DB_SCALE(madera_ng_tlv, -12000, 600, 0); +EXPORT_SYMBOL_GPL(madera_ng_tlv); + +const DECLARE_TLV_DB_SCALE(madera_mixer_tlv, -3200, 100, 0); +EXPORT_SYMBOL_GPL(madera_mixer_tlv); + +const char * const madera_rate_text[MADERA_RATE_ENUM_SIZE] = { + "SYNCCLK rate 1", "SYNCCLK rate 2", "SYNCCLK rate 3", + "ASYNCCLK rate 1", "ASYNCCLK rate 2", +}; +EXPORT_SYMBOL_GPL(madera_rate_text); + +const unsigned int madera_rate_val[MADERA_RATE_ENUM_SIZE] = { + 0x0, 0x1, 0x2, 0x8, 0x9, +}; +EXPORT_SYMBOL_GPL(madera_rate_val); + +static const char * const madera_dfc_width_text[MADERA_DFC_WIDTH_ENUM_SIZE] = { + "8 bit", "16 bit", "20 bit", "24 bit", "32 bit", +}; + +static const unsigned int madera_dfc_width_val[MADERA_DFC_WIDTH_ENUM_SIZE] = { + 7, 15, 19, 23, 31, +}; + +static const char * const madera_dfc_type_text[MADERA_DFC_TYPE_ENUM_SIZE] = { + "Fixed", "Unsigned Fixed", "Single Precision Floating", + "Half Precision Floating", "Arm Alternative Floating", +}; + +static const unsigned int madera_dfc_type_val[MADERA_DFC_TYPE_ENUM_SIZE] = { + 0, 1, 2, 4, 5, +}; + +const struct soc_enum madera_dfc_width[] = { + SOC_VALUE_ENUM_SINGLE(MADERA_DFC1_RX, + MADERA_DFC1_RX_DATA_WIDTH_SHIFT, + MADERA_DFC1_RX_DATA_WIDTH_MASK >> + MADERA_DFC1_RX_DATA_WIDTH_SHIFT, + ARRAY_SIZE(madera_dfc_width_text), + madera_dfc_width_text, + madera_dfc_width_val), + SOC_VALUE_ENUM_SINGLE(MADERA_DFC1_TX, + MADERA_DFC1_TX_DATA_WIDTH_SHIFT, + MADERA_DFC1_TX_DATA_WIDTH_MASK >> + MADERA_DFC1_TX_DATA_WIDTH_SHIFT, + ARRAY_SIZE(madera_dfc_width_text), + madera_dfc_width_text, + madera_dfc_width_val), + SOC_VALUE_ENUM_SINGLE(MADERA_DFC2_RX, + MADERA_DFC1_RX_DATA_WIDTH_SHIFT, + MADERA_DFC1_RX_DATA_WIDTH_MASK >> + MADERA_DFC1_RX_DATA_WIDTH_SHIFT, + ARRAY_SIZE(madera_dfc_width_text), + madera_dfc_width_text, + madera_dfc_width_val), + SOC_VALUE_ENUM_SINGLE(MADERA_DFC2_TX, + MADERA_DFC1_TX_DATA_WIDTH_SHIFT, + MADERA_DFC1_TX_DATA_WIDTH_MASK >> + MADERA_DFC1_TX_DATA_WIDTH_SHIFT, + ARRAY_SIZE(madera_dfc_width_text), + madera_dfc_width_text, + madera_dfc_width_val), + SOC_VALUE_ENUM_SINGLE(MADERA_DFC3_RX, + MADERA_DFC1_RX_DATA_WIDTH_SHIFT, + MADERA_DFC1_RX_DATA_WIDTH_MASK >> + MADERA_DFC1_RX_DATA_WIDTH_SHIFT, + ARRAY_SIZE(madera_dfc_width_text), + madera_dfc_width_text, + madera_dfc_width_val), + SOC_VALUE_ENUM_SINGLE(MADERA_DFC3_TX, + MADERA_DFC1_TX_DATA_WIDTH_SHIFT, + MADERA_DFC1_TX_DATA_WIDTH_MASK >> + MADERA_DFC1_TX_DATA_WIDTH_SHIFT, + ARRAY_SIZE(madera_dfc_width_text), + madera_dfc_width_text, + madera_dfc_width_val), + SOC_VALUE_ENUM_SINGLE(MADERA_DFC4_RX, + MADERA_DFC1_RX_DATA_WIDTH_SHIFT, + MADERA_DFC1_RX_DATA_WIDTH_MASK >> + MADERA_DFC1_RX_DATA_WIDTH_SHIFT, + ARRAY_SIZE(madera_dfc_width_text), + madera_dfc_width_text, + madera_dfc_width_val), + SOC_VALUE_ENUM_SINGLE(MADERA_DFC4_TX, + MADERA_DFC1_TX_DATA_WIDTH_SHIFT, + MADERA_DFC1_TX_DATA_WIDTH_MASK >> + MADERA_DFC1_TX_DATA_WIDTH_SHIFT, + ARRAY_SIZE(madera_dfc_width_text), + madera_dfc_width_text, + madera_dfc_width_val), + SOC_VALUE_ENUM_SINGLE(MADERA_DFC5_RX, + MADERA_DFC1_RX_DATA_WIDTH_SHIFT, + MADERA_DFC1_RX_DATA_WIDTH_MASK >> + MADERA_DFC1_RX_DATA_WIDTH_SHIFT, + ARRAY_SIZE(madera_dfc_width_text), + madera_dfc_width_text, + madera_dfc_width_val), + SOC_VALUE_ENUM_SINGLE(MADERA_DFC5_TX, + MADERA_DFC1_TX_DATA_WIDTH_SHIFT, + MADERA_DFC1_TX_DATA_WIDTH_MASK >> + MADERA_DFC1_TX_DATA_WIDTH_SHIFT, + ARRAY_SIZE(madera_dfc_width_text), + madera_dfc_width_text, + madera_dfc_width_val), + SOC_VALUE_ENUM_SINGLE(MADERA_DFC6_RX, + MADERA_DFC1_RX_DATA_WIDTH_SHIFT, + MADERA_DFC1_RX_DATA_WIDTH_MASK >> + MADERA_DFC1_RX_DATA_WIDTH_SHIFT, + ARRAY_SIZE(madera_dfc_width_text), + madera_dfc_width_text, + madera_dfc_width_val), + SOC_VALUE_ENUM_SINGLE(MADERA_DFC6_TX, + MADERA_DFC1_TX_DATA_WIDTH_SHIFT, + MADERA_DFC1_TX_DATA_WIDTH_MASK >> + MADERA_DFC1_TX_DATA_WIDTH_SHIFT, + ARRAY_SIZE(madera_dfc_width_text), + madera_dfc_width_text, + madera_dfc_width_val), + SOC_VALUE_ENUM_SINGLE(MADERA_DFC7_RX, + MADERA_DFC1_RX_DATA_WIDTH_SHIFT, + MADERA_DFC1_RX_DATA_WIDTH_MASK >> + MADERA_DFC1_RX_DATA_WIDTH_SHIFT, + ARRAY_SIZE(madera_dfc_width_text), + madera_dfc_width_text, + madera_dfc_width_val), + SOC_VALUE_ENUM_SINGLE(MADERA_DFC7_TX, + MADERA_DFC1_TX_DATA_WIDTH_SHIFT, + MADERA_DFC1_TX_DATA_WIDTH_MASK >> + MADERA_DFC1_TX_DATA_WIDTH_SHIFT, + ARRAY_SIZE(madera_dfc_width_text), + madera_dfc_width_text, + madera_dfc_width_val), + SOC_VALUE_ENUM_SINGLE(MADERA_DFC8_RX, + MADERA_DFC1_RX_DATA_WIDTH_SHIFT, + MADERA_DFC1_RX_DATA_WIDTH_MASK >> + MADERA_DFC1_RX_DATA_WIDTH_SHIFT, + ARRAY_SIZE(madera_dfc_width_text), + madera_dfc_width_text, + madera_dfc_width_val), + SOC_VALUE_ENUM_SINGLE(MADERA_DFC8_TX, + MADERA_DFC1_TX_DATA_WIDTH_SHIFT, + MADERA_DFC1_TX_DATA_WIDTH_MASK >> + MADERA_DFC1_TX_DATA_WIDTH_SHIFT, + ARRAY_SIZE(madera_dfc_width_text), + madera_dfc_width_text, + madera_dfc_width_val), +}; +EXPORT_SYMBOL_GPL(madera_dfc_width); + +const struct soc_enum madera_dfc_type[] = { + SOC_VALUE_ENUM_SINGLE(MADERA_DFC1_RX, + MADERA_DFC1_RX_DATA_TYPE_SHIFT, + MADERA_DFC1_RX_DATA_TYPE_MASK >> + MADERA_DFC1_RX_DATA_TYPE_SHIFT, + ARRAY_SIZE(madera_dfc_type_text), + madera_dfc_type_text, + madera_dfc_type_val), + SOC_VALUE_ENUM_SINGLE(MADERA_DFC1_TX, + MADERA_DFC1_TX_DATA_TYPE_SHIFT, + MADERA_DFC1_TX_DATA_TYPE_MASK >> + MADERA_DFC1_TX_DATA_TYPE_SHIFT, + ARRAY_SIZE(madera_dfc_type_text), + madera_dfc_type_text, + madera_dfc_type_val), + SOC_VALUE_ENUM_SINGLE(MADERA_DFC2_RX, + MADERA_DFC1_RX_DATA_TYPE_SHIFT, + MADERA_DFC1_RX_DATA_TYPE_MASK >> + MADERA_DFC1_RX_DATA_TYPE_SHIFT, + ARRAY_SIZE(madera_dfc_type_text), + madera_dfc_type_text, + madera_dfc_type_val), + SOC_VALUE_ENUM_SINGLE(MADERA_DFC2_TX, + MADERA_DFC1_TX_DATA_TYPE_SHIFT, + MADERA_DFC1_TX_DATA_TYPE_MASK >> + MADERA_DFC1_TX_DATA_TYPE_SHIFT, + ARRAY_SIZE(madera_dfc_type_text), + madera_dfc_type_text, + madera_dfc_type_val), + SOC_VALUE_ENUM_SINGLE(MADERA_DFC3_RX, + MADERA_DFC1_RX_DATA_TYPE_SHIFT, + MADERA_DFC1_RX_DATA_TYPE_MASK >> + MADERA_DFC1_RX_DATA_TYPE_SHIFT, + ARRAY_SIZE(madera_dfc_type_text), + madera_dfc_type_text, + madera_dfc_type_val), + SOC_VALUE_ENUM_SINGLE(MADERA_DFC3_TX, + MADERA_DFC1_TX_DATA_TYPE_SHIFT, + MADERA_DFC1_TX_DATA_TYPE_MASK >> + MADERA_DFC1_TX_DATA_TYPE_SHIFT, + ARRAY_SIZE(madera_dfc_type_text), + madera_dfc_type_text, + madera_dfc_type_val), + SOC_VALUE_ENUM_SINGLE(MADERA_DFC4_RX, + MADERA_DFC1_RX_DATA_TYPE_SHIFT, + MADERA_DFC1_RX_DATA_TYPE_MASK >> + MADERA_DFC1_RX_DATA_TYPE_SHIFT, + ARRAY_SIZE(madera_dfc_type_text), + madera_dfc_type_text, + madera_dfc_type_val), + SOC_VALUE_ENUM_SINGLE(MADERA_DFC4_TX, + MADERA_DFC1_TX_DATA_TYPE_SHIFT, + MADERA_DFC1_TX_DATA_TYPE_MASK >> + MADERA_DFC1_TX_DATA_TYPE_SHIFT, + ARRAY_SIZE(madera_dfc_type_text), + madera_dfc_type_text, + madera_dfc_type_val), + SOC_VALUE_ENUM_SINGLE(MADERA_DFC5_RX, + MADERA_DFC1_RX_DATA_TYPE_SHIFT, + MADERA_DFC1_RX_DATA_TYPE_MASK >> + MADERA_DFC1_RX_DATA_TYPE_SHIFT, + ARRAY_SIZE(madera_dfc_type_text), + madera_dfc_type_text, + madera_dfc_type_val), + SOC_VALUE_ENUM_SINGLE(MADERA_DFC5_TX, + MADERA_DFC1_TX_DATA_TYPE_SHIFT, + MADERA_DFC1_TX_DATA_TYPE_MASK >> + MADERA_DFC1_TX_DATA_TYPE_SHIFT, + ARRAY_SIZE(madera_dfc_type_text), + madera_dfc_type_text, + madera_dfc_type_val), + SOC_VALUE_ENUM_SINGLE(MADERA_DFC6_RX, + MADERA_DFC1_RX_DATA_TYPE_SHIFT, + MADERA_DFC1_RX_DATA_TYPE_MASK >> + MADERA_DFC1_RX_DATA_TYPE_SHIFT, + ARRAY_SIZE(madera_dfc_type_text), + madera_dfc_type_text, + madera_dfc_type_val), + SOC_VALUE_ENUM_SINGLE(MADERA_DFC6_TX, + MADERA_DFC1_TX_DATA_TYPE_SHIFT, + MADERA_DFC1_TX_DATA_TYPE_MASK >> + MADERA_DFC1_TX_DATA_TYPE_SHIFT, + ARRAY_SIZE(madera_dfc_type_text), + madera_dfc_type_text, + madera_dfc_type_val), + SOC_VALUE_ENUM_SINGLE(MADERA_DFC7_RX, + MADERA_DFC1_RX_DATA_TYPE_SHIFT, + MADERA_DFC1_RX_DATA_TYPE_MASK >> + MADERA_DFC1_RX_DATA_TYPE_SHIFT, + ARRAY_SIZE(madera_dfc_type_text), + madera_dfc_type_text, + madera_dfc_type_val), + SOC_VALUE_ENUM_SINGLE(MADERA_DFC7_TX, + MADERA_DFC1_TX_DATA_TYPE_SHIFT, + MADERA_DFC1_TX_DATA_TYPE_MASK >> + MADERA_DFC1_TX_DATA_TYPE_SHIFT, + ARRAY_SIZE(madera_dfc_type_text), + madera_dfc_type_text, + madera_dfc_type_val), + SOC_VALUE_ENUM_SINGLE(MADERA_DFC8_RX, + MADERA_DFC1_RX_DATA_TYPE_SHIFT, + MADERA_DFC1_RX_DATA_TYPE_MASK >> + MADERA_DFC1_RX_DATA_TYPE_SHIFT, + ARRAY_SIZE(madera_dfc_type_text), + madera_dfc_type_text, + madera_dfc_type_val), + SOC_VALUE_ENUM_SINGLE(MADERA_DFC8_TX, + MADERA_DFC1_TX_DATA_TYPE_SHIFT, + MADERA_DFC1_TX_DATA_TYPE_MASK >> + MADERA_DFC1_TX_DATA_TYPE_SHIFT, + ARRAY_SIZE(madera_dfc_type_text), + madera_dfc_type_text, + madera_dfc_type_val), +}; +EXPORT_SYMBOL_GPL(madera_dfc_type); + +const struct soc_enum madera_isrc_fsh[] = { + SOC_VALUE_ENUM_SINGLE(MADERA_ISRC_1_CTRL_1, + MADERA_ISRC1_FSH_SHIFT, 0xf, + MADERA_RATE_ENUM_SIZE, + madera_rate_text, madera_rate_val), + SOC_VALUE_ENUM_SINGLE(MADERA_ISRC_2_CTRL_1, + MADERA_ISRC2_FSH_SHIFT, 0xf, + MADERA_RATE_ENUM_SIZE, + madera_rate_text, madera_rate_val), + SOC_VALUE_ENUM_SINGLE(MADERA_ISRC_3_CTRL_1, + MADERA_ISRC3_FSH_SHIFT, 0xf, + MADERA_RATE_ENUM_SIZE, + madera_rate_text, madera_rate_val), + SOC_VALUE_ENUM_SINGLE(MADERA_ISRC_4_CTRL_1, + MADERA_ISRC4_FSH_SHIFT, 0xf, + MADERA_RATE_ENUM_SIZE, + madera_rate_text, madera_rate_val), + +}; +EXPORT_SYMBOL_GPL(madera_isrc_fsh); + +const struct soc_enum madera_isrc_fsl[] = { + SOC_VALUE_ENUM_SINGLE(MADERA_ISRC_1_CTRL_2, + MADERA_ISRC1_FSL_SHIFT, 0xf, + MADERA_RATE_ENUM_SIZE, + madera_rate_text, madera_rate_val), + SOC_VALUE_ENUM_SINGLE(MADERA_ISRC_2_CTRL_2, + MADERA_ISRC2_FSL_SHIFT, 0xf, + MADERA_RATE_ENUM_SIZE, + madera_rate_text, madera_rate_val), + SOC_VALUE_ENUM_SINGLE(MADERA_ISRC_3_CTRL_2, + MADERA_ISRC3_FSL_SHIFT, 0xf, + MADERA_RATE_ENUM_SIZE, + madera_rate_text, madera_rate_val), + SOC_VALUE_ENUM_SINGLE(MADERA_ISRC_4_CTRL_2, + MADERA_ISRC4_FSL_SHIFT, 0xf, + MADERA_RATE_ENUM_SIZE, + madera_rate_text, madera_rate_val), + +}; +EXPORT_SYMBOL_GPL(madera_isrc_fsl); + +const struct soc_enum madera_asrc1_rate[] = { + SOC_VALUE_ENUM_SINGLE(MADERA_ASRC1_RATE1, + MADERA_ASRC1_RATE1_SHIFT, 0xf, + MADERA_SYNC_RATE_ENUM_SIZE, + madera_rate_text, madera_rate_val), + SOC_VALUE_ENUM_SINGLE(MADERA_ASRC1_RATE2, + MADERA_ASRC1_RATE1_SHIFT, 0xf, + MADERA_ASYNC_RATE_ENUM_SIZE, + madera_rate_text + MADERA_SYNC_RATE_ENUM_SIZE, + madera_rate_val + MADERA_SYNC_RATE_ENUM_SIZE), + +}; +EXPORT_SYMBOL_GPL(madera_asrc1_rate); + +const struct soc_enum madera_asrc2_rate[] = { + SOC_VALUE_ENUM_SINGLE(MADERA_ASRC2_RATE1, + MADERA_ASRC2_RATE1_SHIFT, 0xf, + MADERA_SYNC_RATE_ENUM_SIZE, + madera_rate_text, madera_rate_val), + SOC_VALUE_ENUM_SINGLE(MADERA_ASRC2_RATE2, + MADERA_ASRC2_RATE2_SHIFT, 0xf, + MADERA_ASYNC_RATE_ENUM_SIZE, + madera_rate_text + MADERA_SYNC_RATE_ENUM_SIZE, + madera_rate_val + MADERA_SYNC_RATE_ENUM_SIZE), + +}; +EXPORT_SYMBOL_GPL(madera_asrc2_rate); + +static const char * const madera_vol_ramp_text[] = { + "0ms/6dB", "0.5ms/6dB", "1ms/6dB", "2ms/6dB", "4ms/6dB", "8ms/6dB", + "15ms/6dB", "30ms/6dB", +}; + +SOC_ENUM_SINGLE_DECL(madera_in_vd_ramp, + MADERA_INPUT_VOLUME_RAMP, + MADERA_IN_VD_RAMP_SHIFT, + madera_vol_ramp_text); +EXPORT_SYMBOL_GPL(madera_in_vd_ramp); + +SOC_ENUM_SINGLE_DECL(madera_in_vi_ramp, + MADERA_INPUT_VOLUME_RAMP, + MADERA_IN_VI_RAMP_SHIFT, + madera_vol_ramp_text); +EXPORT_SYMBOL_GPL(madera_in_vi_ramp); + +SOC_ENUM_SINGLE_DECL(madera_out_vd_ramp, + MADERA_OUTPUT_VOLUME_RAMP, + MADERA_OUT_VD_RAMP_SHIFT, + madera_vol_ramp_text); +EXPORT_SYMBOL_GPL(madera_out_vd_ramp); + +SOC_ENUM_SINGLE_DECL(madera_out_vi_ramp, + MADERA_OUTPUT_VOLUME_RAMP, + MADERA_OUT_VI_RAMP_SHIFT, + madera_vol_ramp_text); +EXPORT_SYMBOL_GPL(madera_out_vi_ramp); + +static const char * const madera_lhpf_mode_text[] = { + "Low-pass", "High-pass" +}; + +SOC_ENUM_SINGLE_DECL(madera_lhpf1_mode, + MADERA_HPLPF1_1, + MADERA_LHPF1_MODE_SHIFT, + madera_lhpf_mode_text); +EXPORT_SYMBOL_GPL(madera_lhpf1_mode); + +SOC_ENUM_SINGLE_DECL(madera_lhpf2_mode, + MADERA_HPLPF2_1, + MADERA_LHPF2_MODE_SHIFT, + madera_lhpf_mode_text); +EXPORT_SYMBOL_GPL(madera_lhpf2_mode); + +SOC_ENUM_SINGLE_DECL(madera_lhpf3_mode, + MADERA_HPLPF3_1, + MADERA_LHPF3_MODE_SHIFT, + madera_lhpf_mode_text); +EXPORT_SYMBOL_GPL(madera_lhpf3_mode); + +SOC_ENUM_SINGLE_DECL(madera_lhpf4_mode, + MADERA_HPLPF4_1, + MADERA_LHPF4_MODE_SHIFT, + madera_lhpf_mode_text); +EXPORT_SYMBOL_GPL(madera_lhpf4_mode); + +static const char * const madera_ng_hold_text[] = { + "30ms", "120ms", "250ms", "500ms", +}; + +SOC_ENUM_SINGLE_DECL(madera_ng_hold, + MADERA_NOISE_GATE_CONTROL, + MADERA_NGATE_HOLD_SHIFT, + madera_ng_hold_text); +EXPORT_SYMBOL_GPL(madera_ng_hold); + +static const char * const madera_in_hpf_cut_text[] = { + "2.5Hz", "5Hz", "10Hz", "20Hz", "40Hz" +}; + +SOC_ENUM_SINGLE_DECL(madera_in_hpf_cut_enum, + MADERA_HPF_CONTROL, + MADERA_IN_HPF_CUT_SHIFT, + madera_in_hpf_cut_text); +EXPORT_SYMBOL_GPL(madera_in_hpf_cut_enum); + +static const char * const madera_in_dmic_osr_text[MADERA_OSR_ENUM_SIZE] = { + "384kHz", "768kHz", "1.536MHz", "3.072MHz", "6.144MHz", +}; + +static const unsigned int madera_in_dmic_osr_val[MADERA_OSR_ENUM_SIZE] = { + 2, 3, 4, 5, 6, +}; + +const struct soc_enum madera_in_dmic_osr[] = { + SOC_VALUE_ENUM_SINGLE(MADERA_DMIC1L_CONTROL, MADERA_IN1_OSR_SHIFT, + 0x7, MADERA_OSR_ENUM_SIZE, + madera_in_dmic_osr_text, madera_in_dmic_osr_val), + SOC_VALUE_ENUM_SINGLE(MADERA_DMIC2L_CONTROL, MADERA_IN2_OSR_SHIFT, + 0x7, MADERA_OSR_ENUM_SIZE, + madera_in_dmic_osr_text, madera_in_dmic_osr_val), + SOC_VALUE_ENUM_SINGLE(MADERA_DMIC3L_CONTROL, MADERA_IN3_OSR_SHIFT, + 0x7, MADERA_OSR_ENUM_SIZE, + madera_in_dmic_osr_text, madera_in_dmic_osr_val), + SOC_VALUE_ENUM_SINGLE(MADERA_DMIC4L_CONTROL, MADERA_IN4_OSR_SHIFT, + 0x7, MADERA_OSR_ENUM_SIZE, + madera_in_dmic_osr_text, madera_in_dmic_osr_val), + SOC_VALUE_ENUM_SINGLE(MADERA_DMIC5L_CONTROL, MADERA_IN5_OSR_SHIFT, + 0x7, MADERA_OSR_ENUM_SIZE, + madera_in_dmic_osr_text, madera_in_dmic_osr_val), + SOC_VALUE_ENUM_SINGLE(MADERA_DMIC6L_CONTROL, MADERA_IN6_OSR_SHIFT, + 0x7, MADERA_OSR_ENUM_SIZE, + madera_in_dmic_osr_text, madera_in_dmic_osr_val), +}; +EXPORT_SYMBOL_GPL(madera_in_dmic_osr); + +static const char * const madera_anc_input_src_text[] = { + "None", "IN1", "IN2", "IN3", "IN4", "IN5", "IN6", +}; + +static const char * const madera_anc_channel_src_text[] = { + "None", "Left", "Right", "Combine", +}; + +const struct soc_enum madera_anc_input_src[] = { + SOC_ENUM_SINGLE(MADERA_ANC_SRC, + MADERA_IN_RXANCL_SEL_SHIFT, + ARRAY_SIZE(madera_anc_input_src_text), + madera_anc_input_src_text), + SOC_ENUM_SINGLE(MADERA_FCL_ADC_REFORMATTER_CONTROL, + MADERA_FCL_MIC_MODE_SEL_SHIFT, + ARRAY_SIZE(madera_anc_channel_src_text), + madera_anc_channel_src_text), + SOC_ENUM_SINGLE(MADERA_ANC_SRC, + MADERA_IN_RXANCR_SEL_SHIFT, + ARRAY_SIZE(madera_anc_input_src_text), + madera_anc_input_src_text), + SOC_ENUM_SINGLE(MADERA_FCR_ADC_REFORMATTER_CONTROL, + MADERA_FCR_MIC_MODE_SEL_SHIFT, + ARRAY_SIZE(madera_anc_channel_src_text), + madera_anc_channel_src_text), +}; +EXPORT_SYMBOL_GPL(madera_anc_input_src); + +static const char * const madera_anc_ng_texts[] = { + "None", "Internal", "External", +}; + +SOC_ENUM_SINGLE_DECL(madera_anc_ng_enum, SND_SOC_NOPM, 0, madera_anc_ng_texts); +EXPORT_SYMBOL_GPL(madera_anc_ng_enum); + +static const char * const madera_out_anc_src_text[] = { + "None", "RXANCL", "RXANCR", +}; + +const struct soc_enum madera_output_anc_src[] = { + SOC_ENUM_SINGLE(MADERA_OUTPUT_PATH_CONFIG_1L, + MADERA_OUT1L_ANC_SRC_SHIFT, + ARRAY_SIZE(madera_out_anc_src_text), + madera_out_anc_src_text), + SOC_ENUM_SINGLE(MADERA_OUTPUT_PATH_CONFIG_1R, + MADERA_OUT1R_ANC_SRC_SHIFT, + ARRAY_SIZE(madera_out_anc_src_text), + madera_out_anc_src_text), + SOC_ENUM_SINGLE(MADERA_OUTPUT_PATH_CONFIG_2L, + MADERA_OUT2L_ANC_SRC_SHIFT, + ARRAY_SIZE(madera_out_anc_src_text), + madera_out_anc_src_text), + SOC_ENUM_SINGLE(MADERA_OUTPUT_PATH_CONFIG_2R, + MADERA_OUT2R_ANC_SRC_SHIFT, + ARRAY_SIZE(madera_out_anc_src_text), + madera_out_anc_src_text), + SOC_ENUM_SINGLE(MADERA_OUTPUT_PATH_CONFIG_3L, + MADERA_OUT3L_ANC_SRC_SHIFT, + ARRAY_SIZE(madera_out_anc_src_text), + madera_out_anc_src_text), + SOC_ENUM_SINGLE(MADERA_OUTPUT_PATH_CONFIG_3R, + MADERA_OUT3R_ANC_SRC_SHIFT, + ARRAY_SIZE(madera_out_anc_src_text), + madera_out_anc_src_text), + SOC_ENUM_SINGLE(MADERA_OUTPUT_PATH_CONFIG_4L, + MADERA_OUT4L_ANC_SRC_SHIFT, + ARRAY_SIZE(madera_out_anc_src_text), + madera_out_anc_src_text), + SOC_ENUM_SINGLE(MADERA_OUTPUT_PATH_CONFIG_4R, + MADERA_OUT4R_ANC_SRC_SHIFT, + ARRAY_SIZE(madera_out_anc_src_text), + madera_out_anc_src_text), + SOC_ENUM_SINGLE(MADERA_OUTPUT_PATH_CONFIG_5L, + MADERA_OUT5L_ANC_SRC_SHIFT, + ARRAY_SIZE(madera_out_anc_src_text), + madera_out_anc_src_text), + SOC_ENUM_SINGLE(MADERA_OUTPUT_PATH_CONFIG_5R, + MADERA_OUT5R_ANC_SRC_SHIFT, + ARRAY_SIZE(madera_out_anc_src_text), + madera_out_anc_src_text), + SOC_ENUM_SINGLE(MADERA_OUTPUT_PATH_CONFIG_6L, + MADERA_OUT6L_ANC_SRC_SHIFT, + ARRAY_SIZE(madera_out_anc_src_text), + madera_out_anc_src_text), + SOC_ENUM_SINGLE(MADERA_OUTPUT_PATH_CONFIG_6R, + MADERA_OUT6R_ANC_SRC_SHIFT, + ARRAY_SIZE(madera_out_anc_src_text), + madera_out_anc_src_text), +}; +EXPORT_SYMBOL_GPL(madera_output_anc_src); + +int madera_dfc_put(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) +{ + struct snd_soc_component *component = + snd_soc_kcontrol_component(kcontrol); + struct snd_soc_dapm_context *dapm = + snd_soc_component_get_dapm(component); + struct soc_enum *e = (struct soc_enum *)kcontrol->private_value; + unsigned int reg = e->reg; + unsigned int val; + int ret = 0; + + reg = ((reg / 6) * 6) - 2; + + snd_soc_dapm_mutex_lock(dapm); + + ret = snd_soc_component_read(component, reg, &val); + if (ret) + goto exit; + + if (val & MADERA_DFC1_ENA) { + ret = -EBUSY; + dev_err(component->dev, "Can't change mode on an active DFC\n"); + goto exit; + } + + ret = snd_soc_put_enum_double(kcontrol, ucontrol); +exit: + snd_soc_dapm_mutex_unlock(dapm); + + return ret; +} +EXPORT_SYMBOL_GPL(madera_dfc_put); + +int madera_lp_mode_put(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) +{ + struct soc_mixer_control *mc = + (struct soc_mixer_control *)kcontrol->private_value; + struct snd_soc_component *component = + snd_soc_kcontrol_component(kcontrol); + struct snd_soc_dapm_context *dapm = + snd_soc_component_get_dapm(component); + unsigned int val, mask; + int ret; + + snd_soc_dapm_mutex_lock(dapm); + + /* Cannot change lp mode on an active input */ + ret = snd_soc_component_read(component, MADERA_INPUT_ENABLES, &val); + if (ret) + goto exit; + mask = (mc->reg - MADERA_ADC_DIGITAL_VOLUME_1L) / 4; + mask ^= 0x1; /* Flip bottom bit for channel order */ + + if (val & (1 << mask)) { + ret = -EBUSY; + dev_err(component->dev, + "Can't change lp mode on an active input\n"); + goto exit; + } + + ret = snd_soc_put_volsw(kcontrol, ucontrol); + +exit: + snd_soc_dapm_mutex_unlock(dapm); + + return ret; +} +EXPORT_SYMBOL_GPL(madera_lp_mode_put); + +const struct snd_kcontrol_new madera_dsp_trigger_output_mux[] = { + SOC_DAPM_SINGLE("Switch", SND_SOC_NOPM, 0, 1, 0), + SOC_DAPM_SINGLE("Switch", SND_SOC_NOPM, 0, 1, 0), + SOC_DAPM_SINGLE("Switch", SND_SOC_NOPM, 0, 1, 0), + SOC_DAPM_SINGLE("Switch", SND_SOC_NOPM, 0, 1, 0), + SOC_DAPM_SINGLE("Switch", SND_SOC_NOPM, 0, 1, 0), + SOC_DAPM_SINGLE("Switch", SND_SOC_NOPM, 0, 1, 0), + SOC_DAPM_SINGLE("Switch", SND_SOC_NOPM, 0, 1, 0), +}; +EXPORT_SYMBOL_GPL(madera_dsp_trigger_output_mux); + +const struct snd_kcontrol_new madera_drc_activity_output_mux[] = { + SOC_DAPM_SINGLE("Switch", SND_SOC_NOPM, 0, 1, 0), + SOC_DAPM_SINGLE("Switch", SND_SOC_NOPM, 0, 1, 0), +}; +EXPORT_SYMBOL_GPL(madera_drc_activity_output_mux); + +static void madera_in_set_vu(struct madera_priv *priv, bool enable) +{ + unsigned int val; + int i, ret; + + if (enable) + val = MADERA_IN_VU; + else + val = 0; + + for (i = 0; i < priv->num_inputs; i++) { + ret = regmap_update_bits(priv->madera->regmap, + MADERA_ADC_DIGITAL_VOLUME_1L + (i * 4), + MADERA_IN_VU, val); + if (ret) + dev_warn(priv->madera->dev, + "Failed to modify VU bits: %d\n", ret); + } +} + +int madera_in_ev(struct snd_soc_dapm_widget *w, struct snd_kcontrol *kcontrol, + int event) +{ + struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm); + struct madera_priv *priv = snd_soc_component_get_drvdata(component); + unsigned int reg, val; + int ret; + + if (w->shift % 2) + reg = MADERA_ADC_DIGITAL_VOLUME_1L + ((w->shift / 2) * 8); + else + reg = MADERA_ADC_DIGITAL_VOLUME_1R + ((w->shift / 2) * 8); + + switch (event) { + case SND_SOC_DAPM_PRE_PMU: + priv->in_pending++; + break; + case SND_SOC_DAPM_POST_PMU: + priv->in_pending--; + snd_soc_component_update_bits(component, reg, + MADERA_IN1L_MUTE, 0); + + /* If this is the last input pending then allow VU */ + if (priv->in_pending == 0) { + usleep_range(1000, 3000); + madera_in_set_vu(priv, true); + } + break; + case SND_SOC_DAPM_PRE_PMD: + snd_soc_component_update_bits(component, reg, + MADERA_IN1L_MUTE | MADERA_IN_VU, + MADERA_IN1L_MUTE | MADERA_IN_VU); + break; + case SND_SOC_DAPM_POST_PMD: + /* Disable volume updates if no inputs are enabled */ + ret = snd_soc_component_read(component, MADERA_INPUT_ENABLES, + &val); + if (!ret && !val) + madera_in_set_vu(priv, false); + break; + default: + break; + } + + return 0; +} +EXPORT_SYMBOL_GPL(madera_in_ev); + +int madera_out_ev(struct snd_soc_dapm_widget *w, + struct snd_kcontrol *kcontrol, int event) +{ + struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm); + struct madera_priv *priv = snd_soc_component_get_drvdata(component); + struct madera *madera = priv->madera; + int out_up_delay; + + switch (madera->type) { + case CS47L90: + case CS47L91: + out_up_delay = 6; + break; + default: + out_up_delay = 17; + break; + } + + switch (event) { + case SND_SOC_DAPM_PRE_PMU: + switch (w->shift) { + case MADERA_OUT1L_ENA_SHIFT: + case MADERA_OUT1R_ENA_SHIFT: + case MADERA_OUT2L_ENA_SHIFT: + case MADERA_OUT2R_ENA_SHIFT: + case MADERA_OUT3L_ENA_SHIFT: + case MADERA_OUT3R_ENA_SHIFT: + priv->out_up_pending++; + priv->out_up_delay += out_up_delay; + break; + default: + break; + } + break; + + case SND_SOC_DAPM_POST_PMU: + switch (w->shift) { + case MADERA_OUT1L_ENA_SHIFT: + case MADERA_OUT1R_ENA_SHIFT: + case MADERA_OUT2L_ENA_SHIFT: + case MADERA_OUT2R_ENA_SHIFT: + case MADERA_OUT3L_ENA_SHIFT: + case MADERA_OUT3R_ENA_SHIFT: + priv->out_up_pending--; + if (!priv->out_up_pending) { + msleep(priv->out_up_delay); + priv->out_up_delay = 0; + } + break; + + default: + break; + } + break; + + case SND_SOC_DAPM_PRE_PMD: + switch (w->shift) { + case MADERA_OUT1L_ENA_SHIFT: + case MADERA_OUT1R_ENA_SHIFT: + case MADERA_OUT2L_ENA_SHIFT: + case MADERA_OUT2R_ENA_SHIFT: + case MADERA_OUT3L_ENA_SHIFT: + case MADERA_OUT3R_ENA_SHIFT: + priv->out_down_pending++; + priv->out_down_delay++; + break; + default: + break; + } + break; + + case SND_SOC_DAPM_POST_PMD: + switch (w->shift) { + case MADERA_OUT1L_ENA_SHIFT: + case MADERA_OUT1R_ENA_SHIFT: + case MADERA_OUT2L_ENA_SHIFT: + case MADERA_OUT2R_ENA_SHIFT: + case MADERA_OUT3L_ENA_SHIFT: + case MADERA_OUT3R_ENA_SHIFT: + priv->out_down_pending--; + if (!priv->out_down_pending) { + msleep(priv->out_down_delay); + priv->out_down_delay = 0; + } + break; + default: + break; + } + break; + default: + break; + } + + return 0; +} +EXPORT_SYMBOL_GPL(madera_out_ev); + +int madera_hp_ev(struct snd_soc_dapm_widget *w, + struct snd_kcontrol *kcontrol, int event) +{ + struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm); + struct madera_priv *priv = snd_soc_component_get_drvdata(component); + struct madera *madera = priv->madera; + unsigned int mask = 1 << w->shift; + unsigned int out_num = w->shift / 2; + unsigned int val; + unsigned int ep_sel = 0; + + switch (event) { + case SND_SOC_DAPM_POST_PMU: + val = mask; + break; + case SND_SOC_DAPM_PRE_PMD: + val = 0; + break; + case SND_SOC_DAPM_PRE_PMU: + case SND_SOC_DAPM_POST_PMD: + return madera_out_ev(w, kcontrol, event); + default: + return 0; + } + + /* Store the desired state for the HP outputs */ + madera->hp_ena &= ~mask; + madera->hp_ena |= val; + + /* if OUT1 is routed to EPOUT, ignore HP clamp and impedance */ + regmap_read(madera->regmap, MADERA_OUTPUT_ENABLES_1, &ep_sel); + ep_sel &= MADERA_EP_SEL_MASK; + + /* Force off if HPDET has disabled the clamp for this output */ + if (!ep_sel && + (!madera->out_clamp[out_num] || madera->out_shorted[out_num])) + val = 0; + + regmap_update_bits(madera->regmap, MADERA_OUTPUT_ENABLES_1, mask, val); + + return madera_out_ev(w, kcontrol, event); +} +EXPORT_SYMBOL_GPL(madera_hp_ev); + +int madera_anc_ev(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 val; + + switch (event) { + case SND_SOC_DAPM_POST_PMU: + val = 1 << w->shift; + break; + case SND_SOC_DAPM_PRE_PMD: + val = 1 << (w->shift + 1); + break; + default: + return 0; + } + + snd_soc_component_write(component, MADERA_CLOCK_CONTROL, val); + + return 0; +} +EXPORT_SYMBOL_GPL(madera_anc_ev); + +static const unsigned int madera_opclk_ref_48k_rates[] = { + 6144000, + 12288000, + 24576000, + 49152000, +}; + +static const unsigned int madera_opclk_ref_44k1_rates[] = { + 5644800, + 11289600, + 22579200, + 45158400, +}; + +static int madera_set_opclk(struct snd_soc_component *component, + unsigned int clk, unsigned int freq) +{ + struct madera_priv *priv = snd_soc_component_get_drvdata(component); + unsigned int mask = MADERA_OPCLK_DIV_MASK | MADERA_OPCLK_SEL_MASK; + unsigned int reg, val; + const unsigned int *rates; + int ref, div, refclk; + + BUILD_BUG_ON(ARRAY_SIZE(madera_opclk_ref_48k_rates) != + ARRAY_SIZE(madera_opclk_ref_44k1_rates)); + + switch (clk) { + case MADERA_CLK_OPCLK: + reg = MADERA_OUTPUT_SYSTEM_CLOCK; + refclk = priv->sysclk; + break; + case MADERA_CLK_ASYNC_OPCLK: + reg = MADERA_OUTPUT_ASYNC_CLOCK; + refclk = priv->asyncclk; + break; + default: + return -EINVAL; + } + + if (refclk % 4000) + rates = madera_opclk_ref_44k1_rates; + else + rates = madera_opclk_ref_48k_rates; + + for (ref = 0; ref < ARRAY_SIZE(madera_opclk_ref_48k_rates); ++ref) { + if (rates[ref] > refclk) + continue; + + div = 2; + while ((rates[ref] / div >= freq) && (div <= 30)) { + if (rates[ref] / div == freq) { + dev_dbg(component->dev, "Configured %dHz OPCLK\n", + freq); + + val = (div << MADERA_OPCLK_DIV_SHIFT) | ref; + + snd_soc_component_update_bits(component, reg, + mask, val); + return 0; + } + div += 2; + } + } + + dev_err(component->dev, "Unable to generate %dHz OPCLK\n", freq); + + return -EINVAL; +} + +static int madera_get_sysclk_setting(unsigned int freq) +{ + switch (freq) { + case 0: + case 5644800: + case 6144000: + return 0; + case 11289600: + case 12288000: + return MADERA_SYSCLK_12MHZ << MADERA_SYSCLK_FREQ_SHIFT; + case 22579200: + case 24576000: + return MADERA_SYSCLK_24MHZ << MADERA_SYSCLK_FREQ_SHIFT; + case 45158400: + case 49152000: + return MADERA_SYSCLK_49MHZ << MADERA_SYSCLK_FREQ_SHIFT; + case 90316800: + case 98304000: + return MADERA_SYSCLK_98MHZ << MADERA_SYSCLK_FREQ_SHIFT; + default: + return -EINVAL; + } +} + +static int madera_get_legacy_dspclk_setting(struct madera *madera, + unsigned int freq) +{ + switch (freq) { + case 0: + return 0; + case 45158400: + case 49152000: + switch (madera->type) { + case CS47L85: + case WM1840: + if (madera->rev < 3) + return -EINVAL; + else + return MADERA_SYSCLK_49MHZ << + MADERA_SYSCLK_FREQ_SHIFT; + default: + return -EINVAL; + } + case 135475200: + case 147456000: + return MADERA_DSPCLK_147MHZ << MADERA_DSP_CLK_FREQ_LEGACY_SHIFT; + default: + return -EINVAL; + } +} + +static int madera_get_dspclk_setting(struct madera *madera, + unsigned int freq, + unsigned int *clock_2_val) +{ + switch (madera->type) { + case CS47L35: + case CS47L85: + case WM1840: + *clock_2_val = 0; /* don't use MADERA_DSP_CLOCK_2 */ + return madera_get_legacy_dspclk_setting(madera, freq); + default: + if (freq > 150000000) + return -EINVAL; + + /* Use new exact frequency control */ + *clock_2_val = freq / 15625; /* freq * (2^6) / (10^6) */ + return 0; + } +} + +int madera_set_sysclk(struct snd_soc_component *component, int clk_id, + int source, unsigned int freq, int dir) +{ + struct madera_priv *priv = snd_soc_component_get_drvdata(component); + struct madera *madera = priv->madera; + char *name; + unsigned int reg, clock_2_val = 0; + unsigned int mask = MADERA_SYSCLK_FREQ_MASK | MADERA_SYSCLK_SRC_MASK; + unsigned int val = source << MADERA_SYSCLK_SRC_SHIFT; + int clk_freq_sel, *clk; + int ret = 0; + + switch (clk_id) { + case MADERA_CLK_SYSCLK_1: + name = "SYSCLK"; + reg = MADERA_SYSTEM_CLOCK_1; + clk = &priv->sysclk; + clk_freq_sel = madera_get_sysclk_setting(freq); + mask |= MADERA_SYSCLK_FRAC; + break; + case MADERA_CLK_ASYNCCLK_1: + name = "ASYNCCLK"; + reg = MADERA_ASYNC_CLOCK_1; + clk = &priv->asyncclk; + clk_freq_sel = madera_get_sysclk_setting(freq); + break; + case MADERA_CLK_DSPCLK: + name = "DSPCLK"; + reg = MADERA_DSP_CLOCK_1; + clk = &priv->dspclk; + clk_freq_sel = madera_get_dspclk_setting(madera, freq, + &clock_2_val); + break; + case MADERA_CLK_OPCLK: + case MADERA_CLK_ASYNC_OPCLK: + return madera_set_opclk(component, clk_id, freq); + default: + return -EINVAL; + } + + if (clk_freq_sel < 0) { + dev_err(madera->dev, + "Failed to get clk setting for %dHZ\n", freq); + return clk_freq_sel; + } + + *clk = freq; + + if (freq == 0) { + dev_dbg(madera->dev, "%s cleared\n", name); + return 0; + } + + val |= clk_freq_sel; + + if (clock_2_val) { + ret = regmap_write(madera->regmap, MADERA_DSP_CLOCK_2, + clock_2_val); + if (ret) { + dev_err(madera->dev, + "Failed to write DSP_CONFIG2: %d\n", ret); + return ret; + } + + /* + * We're using the frequency setting in MADERA_DSP_CLOCK_2 so + * don't change the frequency select bits in MADERA_DSP_CLOCK_1 + */ + mask = MADERA_SYSCLK_SRC_MASK; + } + + if (freq % 6144000) + val |= MADERA_SYSCLK_FRAC; + + dev_dbg(madera->dev, "%s set to %uHz\n", name, freq); + + return regmap_update_bits(madera->regmap, reg, mask, val); +} +EXPORT_SYMBOL_GPL(madera_set_sysclk); + +static int madera_set_fmt(struct snd_soc_dai *dai, unsigned int fmt) +{ + struct snd_soc_component *component = dai->component; + struct madera_priv *priv = snd_soc_component_get_drvdata(component); + struct madera *madera = priv->madera; + int lrclk, bclk, mode, base; + + base = dai->driver->base; + + lrclk = 0; + bclk = 0; + + switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) { + case SND_SOC_DAIFMT_DSP_A: + mode = MADERA_FMT_DSP_MODE_A; + break; + case SND_SOC_DAIFMT_DSP_B: + if ((fmt & SND_SOC_DAIFMT_MASTER_MASK) != + SND_SOC_DAIFMT_CBM_CFM) { + madera_aif_err(dai, "DSP_B not valid in slave mode\n"); + return -EINVAL; + } + mode = MADERA_FMT_DSP_MODE_B; + break; + case SND_SOC_DAIFMT_I2S: + mode = MADERA_FMT_I2S_MODE; + break; + case SND_SOC_DAIFMT_LEFT_J: + if ((fmt & SND_SOC_DAIFMT_MASTER_MASK) != + SND_SOC_DAIFMT_CBM_CFM) { + madera_aif_err(dai, "LEFT_J not valid in slave mode\n"); + return -EINVAL; + } + mode = MADERA_FMT_LEFT_JUSTIFIED_MODE; + break; + default: + madera_aif_err(dai, "Unsupported DAI format %d\n", + fmt & SND_SOC_DAIFMT_FORMAT_MASK); + return -EINVAL; + } + + switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) { + case SND_SOC_DAIFMT_CBS_CFS: + break; + case SND_SOC_DAIFMT_CBS_CFM: + lrclk |= MADERA_AIF1TX_LRCLK_MSTR; + break; + case SND_SOC_DAIFMT_CBM_CFS: + bclk |= MADERA_AIF1_BCLK_MSTR; + break; + case SND_SOC_DAIFMT_CBM_CFM: + bclk |= MADERA_AIF1_BCLK_MSTR; + lrclk |= MADERA_AIF1TX_LRCLK_MSTR; + break; + default: + madera_aif_err(dai, "Unsupported master mode %d\n", + fmt & SND_SOC_DAIFMT_MASTER_MASK); + return -EINVAL; + } + + switch (fmt & SND_SOC_DAIFMT_INV_MASK) { + case SND_SOC_DAIFMT_NB_NF: + break; + case SND_SOC_DAIFMT_IB_IF: + bclk |= MADERA_AIF1_BCLK_INV; + lrclk |= MADERA_AIF1TX_LRCLK_INV; + break; + case SND_SOC_DAIFMT_IB_NF: + bclk |= MADERA_AIF1_BCLK_INV; + break; + case SND_SOC_DAIFMT_NB_IF: + lrclk |= MADERA_AIF1TX_LRCLK_INV; + break; + default: + madera_aif_err(dai, "Unsupported invert mode %d\n", + fmt & SND_SOC_DAIFMT_INV_MASK); + return -EINVAL; + } + + regmap_update_bits(madera->regmap, base + MADERA_AIF_BCLK_CTRL, + MADERA_AIF1_BCLK_INV | MADERA_AIF1_BCLK_MSTR, + bclk); + regmap_update_bits(madera->regmap, base + MADERA_AIF_TX_PIN_CTRL, + MADERA_AIF1TX_LRCLK_INV | MADERA_AIF1TX_LRCLK_MSTR, + lrclk); + regmap_update_bits(madera->regmap, base + MADERA_AIF_RX_PIN_CTRL, + MADERA_AIF1RX_LRCLK_INV | MADERA_AIF1RX_LRCLK_MSTR, + lrclk); + regmap_update_bits(madera->regmap, base + MADERA_AIF_FORMAT, + MADERA_AIF1_FMT_MASK, mode); + + return 0; +} + +static const int madera_48k_bclk_rates[] = { + -1, + 48000, + 64000, + 96000, + 128000, + 192000, + 256000, + 384000, + 512000, + 768000, + 1024000, + 1536000, + 2048000, + 3072000, + 4096000, + 6144000, + 8192000, + 12288000, + 24576000, +}; + +static const int madera_44k1_bclk_rates[] = { + -1, + 44100, + 58800, + 88200, + 117600, + 177640, + 235200, + 352800, + 470400, + 705600, + 940800, + 1411200, + 1881600, + 2822400, + 3763200, + 5644800, + 7526400, + 11289600, + 22579200, +}; + +static const unsigned int madera_sr_vals[] = { + 0, + 12000, + 24000, + 48000, + 96000, + 192000, + 384000, + 768000, + 0, + 11025, + 22050, + 44100, + 88200, + 176400, + 352800, + 705600, + 4000, + 8000, + 16000, + 32000, + 64000, + 128000, + 256000, + 512000, +}; + +#define MADERA_192K_48K_RATE_MASK 0x0F003E +#define MADERA_192K_44K1_RATE_MASK 0x003E00 +#define MADERA_192K_RATE_MASK (MADERA_192K_48K_RATE_MASK | \ + MADERA_192K_44K1_RATE_MASK) + +static const struct snd_pcm_hw_constraint_list madera_constraint = { + .count = ARRAY_SIZE(madera_sr_vals), + .list = madera_sr_vals, +}; + +static int madera_startup(struct snd_pcm_substream *substream, + struct snd_soc_dai *dai) +{ + struct snd_soc_component *component = dai->component; + struct madera_priv *priv = snd_soc_component_get_drvdata(component); + struct madera_dai_priv *dai_priv = &priv->dai[dai->id - 1]; + unsigned int base_rate; + + if (!substream->runtime) + return 0; + + switch (dai_priv->clk) { + case MADERA_CLK_SYSCLK_1: + case MADERA_CLK_SYSCLK_2: + case MADERA_CLK_SYSCLK_3: + base_rate = priv->sysclk; + break; + case MADERA_CLK_ASYNCCLK_1: + case MADERA_CLK_ASYNCCLK_2: + base_rate = priv->asyncclk; + break; + default: + return 0; + } + + if (base_rate == 0) + dai_priv->constraint.mask = MADERA_192K_RATE_MASK; + else if (base_rate % 4000) + dai_priv->constraint.mask = MADERA_192K_44K1_RATE_MASK; + else + dai_priv->constraint.mask = MADERA_192K_48K_RATE_MASK; + + return snd_pcm_hw_constraint_list(substream->runtime, 0, + SNDRV_PCM_HW_PARAM_RATE, + &dai_priv->constraint); +} + +static int madera_hw_params_rate(struct snd_pcm_substream *substream, + struct snd_pcm_hw_params *params, + struct snd_soc_dai *dai) +{ + struct snd_soc_component *component = dai->component; + struct madera_priv *priv = snd_soc_component_get_drvdata(component); + struct madera_dai_priv *dai_priv = &priv->dai[dai->id - 1]; + int base = dai->driver->base; + int i, sr_val; + unsigned int reg, cur, tar; + int ret; + + for (i = 0; i < ARRAY_SIZE(madera_sr_vals); i++) + if (madera_sr_vals[i] == params_rate(params)) + break; + + if (i == ARRAY_SIZE(madera_sr_vals)) { + madera_aif_err(dai, "Unsupported sample rate %dHz\n", + params_rate(params)); + return -EINVAL; + } + sr_val = i; + + switch (dai_priv->clk) { + case MADERA_CLK_SYSCLK_1: + reg = MADERA_SAMPLE_RATE_1; + tar = 0 << MADERA_AIF1_RATE_SHIFT; + break; + case MADERA_CLK_SYSCLK_2: + reg = MADERA_SAMPLE_RATE_2; + tar = 1 << MADERA_AIF1_RATE_SHIFT; + break; + case MADERA_CLK_SYSCLK_3: + reg = MADERA_SAMPLE_RATE_3; + tar = 2 << MADERA_AIF1_RATE_SHIFT; + break; + case MADERA_CLK_ASYNCCLK_1: + reg = MADERA_ASYNC_SAMPLE_RATE_1, + tar = 8 << MADERA_AIF1_RATE_SHIFT; + break; + case MADERA_CLK_ASYNCCLK_2: + reg = MADERA_ASYNC_SAMPLE_RATE_2, + tar = 9 << MADERA_AIF1_RATE_SHIFT; + break; + default: + madera_aif_err(dai, "Invalid clock %d\n", dai_priv->clk); + return -EINVAL; + } + + snd_soc_component_update_bits(component, reg, MADERA_SAMPLE_RATE_1_MASK, + sr_val); + + if (!base) + return 0; + + ret = regmap_read(priv->madera->regmap, + base + MADERA_AIF_RATE_CTRL, &cur); + if (ret != 0) { + madera_aif_err(dai, "Failed to check rate: %d\n", ret); + return ret; + } + + if ((cur & MADERA_AIF1_RATE_MASK) == (tar & MADERA_AIF1_RATE_MASK)) + return 0; + + mutex_lock(&priv->rate_lock); + + if (!madera_can_change_grp_rate(priv, base + MADERA_AIF_RATE_CTRL)) { + madera_aif_warn(dai, "Cannot change rate while active\n"); + ret = -EBUSY; + goto out; + } + + /* Guard the rate change with SYSCLK cycles */ + madera_spin_sysclk(priv); + snd_soc_component_update_bits(component, base + MADERA_AIF_RATE_CTRL, + MADERA_AIF1_RATE_MASK, tar); + madera_spin_sysclk(priv); + +out: + mutex_unlock(&priv->rate_lock); + + return ret; +} + +static int madera_aif_cfg_changed(struct snd_soc_component *component, + int base, int bclk, int lrclk, int frame) +{ + unsigned int val; + int ret; + + ret = snd_soc_component_read(component, base + MADERA_AIF_BCLK_CTRL, + &val); + if (ret) + return ret; + if (bclk != (val & MADERA_AIF1_BCLK_FREQ_MASK)) + return 1; + + ret = snd_soc_component_read(component, base + MADERA_AIF_RX_BCLK_RATE, + &val); + if (ret) + return ret; + if (lrclk != (val & MADERA_AIF1RX_BCPF_MASK)) + return 1; + + ret = snd_soc_component_read(component, base + MADERA_AIF_FRAME_CTRL_1, + &val); + if (ret) + return ret; + if (frame != (val & (MADERA_AIF1TX_WL_MASK | + MADERA_AIF1TX_SLOT_LEN_MASK))) + return 1; + + return 0; +} + +static int madera_hw_params(struct snd_pcm_substream *substream, + struct snd_pcm_hw_params *params, + struct snd_soc_dai *dai) +{ + struct snd_soc_component *component = dai->component; + struct madera_priv *priv = snd_soc_component_get_drvdata(component); + struct madera *madera = priv->madera; + int base = dai->driver->base; + const int *rates; + int i, ret; + unsigned int val; + unsigned int channels = params_channels(params); + unsigned int rate = params_rate(params); + unsigned int chan_limit = + madera->pdata.codec.max_channels_clocked[dai->id - 1]; + int tdm_width = priv->tdm_width[dai->id - 1]; + int tdm_slots = priv->tdm_slots[dai->id - 1]; + int bclk, lrclk, wl, frame, bclk_target, num_rates; + int reconfig; + unsigned int aif_tx_state = 0, aif_rx_state = 0; + + if (rate % 4000) { + rates = &madera_44k1_bclk_rates[0]; + num_rates = ARRAY_SIZE(madera_44k1_bclk_rates); + } else { + rates = &madera_48k_bclk_rates[0]; + num_rates = ARRAY_SIZE(madera_48k_bclk_rates); + } + + wl = snd_pcm_format_width(params_format(params)); + + if (tdm_slots) { + madera_aif_dbg(dai, "Configuring for %d %d bit TDM slots\n", + tdm_slots, tdm_width); + bclk_target = tdm_slots * tdm_width * rate; + channels = tdm_slots; + } else { + bclk_target = snd_soc_params_to_bclk(params); + tdm_width = wl; + } + + if (chan_limit && chan_limit < channels) { + madera_aif_dbg(dai, "Limiting to %d channels\n", chan_limit); + bclk_target /= channels; + bclk_target *= chan_limit; + } + + /* Force multiple of 2 channels for I2S mode */ + ret = snd_soc_component_read(component, base + MADERA_AIF_FORMAT, &val); + if (ret) + return ret; + + val &= MADERA_AIF1_FMT_MASK; + if ((channels & 1) && val == MADERA_FMT_I2S_MODE) { + madera_aif_dbg(dai, "Forcing stereo mode\n"); + bclk_target /= channels; + bclk_target *= channels + 1; + } + + for (i = 0; i < num_rates; i++) { + if (rates[i] >= bclk_target && rates[i] % rate == 0) { + bclk = i; + break; + } + } + + if (i == num_rates) { + madera_aif_err(dai, "Unsupported sample rate %dHz\n", rate); + return -EINVAL; + } + + lrclk = rates[bclk] / rate; + + madera_aif_dbg(dai, "BCLK %dHz LRCLK %dHz\n", + rates[bclk], rates[bclk] / lrclk); + + frame = wl << MADERA_AIF1TX_WL_SHIFT | tdm_width; + + reconfig = madera_aif_cfg_changed(component, base, bclk, lrclk, frame); + if (reconfig < 0) + return reconfig; + + if (reconfig) { + /* Save AIF TX/RX state */ + regmap_read(madera->regmap, base + MADERA_AIF_TX_ENABLES, + &aif_tx_state); + regmap_read(madera->regmap, base + MADERA_AIF_RX_ENABLES, + &aif_rx_state); + /* Disable AIF TX/RX before reconfiguring it */ + regmap_update_bits(madera->regmap, + base + MADERA_AIF_TX_ENABLES, 0xff, 0x0); + regmap_update_bits(madera->regmap, + base + MADERA_AIF_RX_ENABLES, 0xff, 0x0); + } + + ret = madera_hw_params_rate(substream, params, dai); + if (ret != 0) + goto restore_aif; + + if (reconfig) { + regmap_update_bits(madera->regmap, + base + MADERA_AIF_BCLK_CTRL, + MADERA_AIF1_BCLK_FREQ_MASK, bclk); + regmap_update_bits(madera->regmap, + base + MADERA_AIF_RX_BCLK_RATE, + MADERA_AIF1RX_BCPF_MASK, lrclk); + regmap_update_bits(madera->regmap, + base + MADERA_AIF_FRAME_CTRL_1, + MADERA_AIF1TX_WL_MASK | + MADERA_AIF1TX_SLOT_LEN_MASK, frame); + regmap_update_bits(madera->regmap, + base + MADERA_AIF_FRAME_CTRL_2, + MADERA_AIF1RX_WL_MASK | + MADERA_AIF1RX_SLOT_LEN_MASK, frame); + } + +restore_aif: + if (reconfig) { + /* Restore AIF TX/RX state */ + regmap_update_bits(madera->regmap, + base + MADERA_AIF_TX_ENABLES, + 0xff, aif_tx_state); + regmap_update_bits(madera->regmap, + base + MADERA_AIF_RX_ENABLES, + 0xff, aif_rx_state); + } + + return ret; +} + +static int madera_is_syncclk(int clk_id) +{ + switch (clk_id) { + case MADERA_CLK_SYSCLK_1: + case MADERA_CLK_SYSCLK_2: + case MADERA_CLK_SYSCLK_3: + return 1; + case MADERA_CLK_ASYNCCLK_1: + case MADERA_CLK_ASYNCCLK_2: + return 0; + default: + return -EINVAL; + } +} + +static int madera_dai_set_sysclk(struct snd_soc_dai *dai, + int clk_id, unsigned int freq, int dir) +{ + struct snd_soc_component *component = dai->component; + struct snd_soc_dapm_context *dapm = + snd_soc_component_get_dapm(component); + struct madera_priv *priv = snd_soc_component_get_drvdata(component); + struct madera_dai_priv *dai_priv = &priv->dai[dai->id - 1]; + struct snd_soc_dapm_route routes[2]; + int is_sync; + + is_sync = madera_is_syncclk(clk_id); + if (is_sync < 0) { + dev_err(component->dev, "Illegal DAI clock id %d\n", clk_id); + return is_sync; + } + + if (is_sync == madera_is_syncclk(dai_priv->clk)) + return 0; + + if (dai->active) { + dev_err(component->dev, "Can't change clock on active DAI %d\n", + dai->id); + return -EBUSY; + } + + dev_dbg(component->dev, "Setting AIF%d to %s\n", dai->id, + is_sync ? "SYSCLK" : "ASYNCCLK"); + + /* + * A connection to SYSCLK is always required, we only add and remove + * a connection to ASYNCCLK + */ + memset(&routes, 0, sizeof(routes)); + routes[0].sink = dai->driver->capture.stream_name; + routes[1].sink = dai->driver->playback.stream_name; + routes[0].source = "ASYNCCLK"; + routes[1].source = "ASYNCCLK"; + + if (is_sync) + snd_soc_dapm_del_routes(dapm, routes, ARRAY_SIZE(routes)); + else + snd_soc_dapm_add_routes(dapm, routes, ARRAY_SIZE(routes)); + + dai_priv->clk = clk_id; + + return snd_soc_dapm_sync(dapm); +} + +static int madera_set_tristate(struct snd_soc_dai *dai, int tristate) +{ + struct snd_soc_component *component = dai->component; + int base = dai->driver->base; + unsigned int reg; + int ret; + + if (tristate) + reg = MADERA_AIF1_TRI; + else + reg = 0; + + ret = snd_soc_component_update_bits(component, + base + MADERA_AIF_RATE_CTRL, + MADERA_AIF1_TRI, reg); + if (ret < 0) + return ret; + else + return 0; +} + +static void madera_set_channels_to_mask(struct snd_soc_dai *dai, + unsigned int base, + int channels, unsigned int mask) +{ + struct snd_soc_component *component = dai->component; + struct madera_priv *priv = snd_soc_component_get_drvdata(component); + struct madera *madera = priv->madera; + int slot, i; + + for (i = 0; i < channels; ++i) { + slot = ffs(mask) - 1; + if (slot < 0) + return; + + regmap_write(madera->regmap, base + i, slot); + + mask &= ~(1 << slot); + } + + if (mask) + madera_aif_warn(dai, "Too many channels in TDM mask\n"); +} + +static int madera_set_tdm_slot(struct snd_soc_dai *dai, unsigned int tx_mask, + unsigned int rx_mask, int slots, int slot_width) +{ + struct snd_soc_component *component = dai->component; + struct madera_priv *priv = snd_soc_component_get_drvdata(component); + int base = dai->driver->base; + int rx_max_chan = dai->driver->playback.channels_max; + int tx_max_chan = dai->driver->capture.channels_max; + + /* Only support TDM for the physical AIFs */ + if (dai->id > MADERA_MAX_AIF) + return -ENOTSUPP; + + if (slots == 0) { + tx_mask = (1 << tx_max_chan) - 1; + rx_mask = (1 << rx_max_chan) - 1; + } + + madera_set_channels_to_mask(dai, base + MADERA_AIF_FRAME_CTRL_3, + tx_max_chan, tx_mask); + madera_set_channels_to_mask(dai, base + MADERA_AIF_FRAME_CTRL_11, + rx_max_chan, rx_mask); + + priv->tdm_width[dai->id - 1] = slot_width; + priv->tdm_slots[dai->id - 1] = slots; + + return 0; +} + +const struct snd_soc_dai_ops madera_dai_ops = { + .startup = &madera_startup, + .set_fmt = &madera_set_fmt, + .set_tdm_slot = &madera_set_tdm_slot, + .hw_params = &madera_hw_params, + .set_sysclk = &madera_dai_set_sysclk, + .set_tristate = &madera_set_tristate, +}; +EXPORT_SYMBOL_GPL(madera_dai_ops); + +const struct snd_soc_dai_ops madera_simple_dai_ops = { + .startup = &madera_startup, + .hw_params = &madera_hw_params_rate, + .set_sysclk = &madera_dai_set_sysclk, +}; +EXPORT_SYMBOL_GPL(madera_simple_dai_ops); + +int madera_init_dai(struct madera_priv *priv, int id) +{ + struct madera_dai_priv *dai_priv = &priv->dai[id]; + + dai_priv->clk = MADERA_CLK_SYSCLK_1; + dai_priv->constraint = madera_constraint; + + return 0; +} +EXPORT_SYMBOL_GPL(madera_init_dai); + +static const struct { + unsigned int min; + unsigned int max; + u16 fratio; + int ratio; +} fll_sync_fratios[] = { + { 0, 64000, 4, 16 }, + { 64000, 128000, 3, 8 }, + { 128000, 256000, 2, 4 }, + { 256000, 1000000, 1, 2 }, + { 1000000, 13500000, 0, 1 }, +}; + +static const unsigned int pseudo_fref_max[MADERA_FLL_MAX_FRATIO] = { + 13500000, + 6144000, + 6144000, + 3072000, + 3072000, + 2822400, + 2822400, + 1536000, + 1536000, + 1536000, + 1536000, + 1536000, + 1536000, + 1536000, + 1536000, + 768000, +}; + +struct madera_fll_gains { + unsigned int min; + unsigned int max; + int gain; /* main gain */ + int alt_gain; /* alternate integer gain */ +}; + +static const struct madera_fll_gains madera_fll_sync_gains[] = { + { 0, 256000, 0, -1 }, + { 256000, 1000000, 2, -1 }, + { 1000000, 13500000, 4, -1 }, +}; + +static const struct madera_fll_gains madera_fll_main_gains[] = { + { 0, 100000, 0, 2 }, + { 100000, 375000, 2, 2 }, + { 375000, 768000, 3, 2 }, + { 768001, 1500000, 3, 3 }, + { 1500000, 6000000, 4, 3 }, + { 6000000, 13500000, 5, 3 }, +}; + +static int madera_find_sync_fratio(unsigned int fref, int *fratio) +{ + int i; + + for (i = 0; i < ARRAY_SIZE(fll_sync_fratios); i++) { + if (fll_sync_fratios[i].min <= fref && + fref <= fll_sync_fratios[i].max) { + if (fratio) + *fratio = fll_sync_fratios[i].fratio; + + return fll_sync_fratios[i].ratio; + } + } + + return -EINVAL; +} + +static int madera_find_main_fratio(unsigned int fref, unsigned int fout, + int *fratio) +{ + int ratio = 1; + + while ((fout / (ratio * fref)) > MADERA_FLL_MAX_N) + ratio++; + + if (fratio) + *fratio = ratio - 1; + + return ratio; +} + +static int madera_find_fratio(struct madera_fll *fll, unsigned int fref, + bool sync, int *fratio) +{ + switch (fll->madera->type) { + case CS47L35: + switch (fll->madera->rev) { + case 0: + /* rev A0 uses sync calculation for both loops */ + return madera_find_sync_fratio(fref, fratio); + default: + if (sync) + return madera_find_sync_fratio(fref, fratio); + else + return madera_find_main_fratio(fref, + fll->fout, + fratio); + } + break; + case CS47L85: + case WM1840: + /* these use the same calculation for main and sync loops */ + return madera_find_sync_fratio(fref, fratio); + default: + if (sync) + return madera_find_sync_fratio(fref, fratio); + else + return madera_find_main_fratio(fref, fll->fout, fratio); + } +} + +static int madera_calc_fratio(struct madera_fll *fll, + struct madera_fll_cfg *cfg, + unsigned int fref, bool sync) +{ + int init_ratio, ratio; + int refdiv, div; + + /* fref must be <=13.5MHz, find initial refdiv */ + div = 1; + cfg->refdiv = 0; + while (fref > MADERA_FLL_MAX_FREF) { + div *= 2; + fref /= 2; + cfg->refdiv++; + + if (div > MADERA_FLL_MAX_REFDIV) + return -EINVAL; + } + + /* Find an appropriate FLL_FRATIO */ + init_ratio = madera_find_fratio(fll, fref, sync, &cfg->fratio); + if (init_ratio < 0) { + madera_fll_err(fll, "Unable to find FRATIO for fref=%uHz\n", + fref); + return init_ratio; + } + + if (!sync) + cfg->fratio = init_ratio - 1; + + switch (fll->madera->type) { + case CS47L35: + switch (fll->madera->rev) { + case 0: + if (sync) + return init_ratio; + break; + default: + return init_ratio; + } + break; + case CS47L85: + case WM1840: + if (sync) + return init_ratio; + break; + default: + return init_ratio; + } + + /* + * For CS47L35 rev A0, CS47L85 and WM1840 adjust FRATIO/refdiv to avoid + * integer mode if possible + */ + refdiv = cfg->refdiv; + + while (div <= MADERA_FLL_MAX_REFDIV) { + /* + * start from init_ratio because this may already give a + * fractional N.K + */ + for (ratio = init_ratio; ratio > 0; ratio--) { + if (fll->fout % (ratio * fref)) { + cfg->refdiv = refdiv; + cfg->fratio = ratio - 1; + return ratio; + } + } + + for (ratio = init_ratio + 1; ratio <= MADERA_FLL_MAX_FRATIO; + ratio++) { + if ((MADERA_FLL_VCO_CORNER / 2) / + (MADERA_FLL_VCO_MULT * ratio) < fref) + break; + + if (fref > pseudo_fref_max[ratio - 1]) + break; + + if (fll->fout % (ratio * fref)) { + cfg->refdiv = refdiv; + cfg->fratio = ratio - 1; + return ratio; + } + } + + div *= 2; + fref /= 2; + refdiv++; + init_ratio = madera_find_fratio(fll, fref, sync, NULL); + } + + madera_fll_warn(fll, "Falling back to integer mode operation\n"); + + return cfg->fratio + 1; +} + +static int madera_find_fll_gain(struct madera_fll *fll, + struct madera_fll_cfg *cfg, + unsigned int fref, + const struct madera_fll_gains *gains, + int n_gains) +{ + int i; + + for (i = 0; i < n_gains; i++) { + if (gains[i].min <= fref && fref <= gains[i].max) { + cfg->gain = gains[i].gain; + cfg->alt_gain = gains[i].alt_gain; + return 0; + } + } + + madera_fll_err(fll, "Unable to find gain for fref=%uHz\n", fref); + + return -EINVAL; +} + +static int madera_calc_fll(struct madera_fll *fll, + struct madera_fll_cfg *cfg, + unsigned int fref, bool sync) +{ + unsigned int gcd_fll; + const struct madera_fll_gains *gains; + int n_gains; + int ratio, ret; + + madera_fll_dbg(fll, "fref=%u Fout=%u fvco=%u\n", + fref, fll->fout, fll->fout * MADERA_FLL_VCO_MULT); + + /* Find an appropriate FLL_FRATIO and refdiv */ + ratio = madera_calc_fratio(fll, cfg, fref, sync); + if (ratio < 0) + return ratio; + + /* Apply the division for our remaining calculations */ + fref = fref / (1 << cfg->refdiv); + + cfg->n = fll->fout / (ratio * fref); + + if (fll->fout % (ratio * fref)) { + gcd_fll = gcd(fll->fout, ratio * fref); + madera_fll_dbg(fll, "GCD=%u\n", gcd_fll); + + cfg->theta = (fll->fout - (cfg->n * ratio * fref)) + / gcd_fll; + cfg->lambda = (ratio * fref) / gcd_fll; + } else { + cfg->theta = 0; + cfg->lambda = 0; + } + + /* + * Round down to 16bit range with cost of accuracy lost. + * Denominator must be bigger than numerator so we only + * take care of it. + */ + while (cfg->lambda >= (1 << 16)) { + cfg->theta >>= 1; + cfg->lambda >>= 1; + } + + switch (fll->madera->type) { + case CS47L35: + switch (fll->madera->rev) { + case 0: + /* Rev A0 uses the sync gains for both loops */ + gains = madera_fll_sync_gains; + n_gains = ARRAY_SIZE(madera_fll_sync_gains); + break; + default: + if (sync) { + gains = madera_fll_sync_gains; + n_gains = ARRAY_SIZE(madera_fll_sync_gains); + } else { + gains = madera_fll_main_gains; + n_gains = ARRAY_SIZE(madera_fll_main_gains); + } + break; + } + break; + case CS47L85: + case WM1840: + /* These use the sync gains for both loops */ + gains = madera_fll_sync_gains; + n_gains = ARRAY_SIZE(madera_fll_sync_gains); + break; + default: + if (sync) { + gains = madera_fll_sync_gains; + n_gains = ARRAY_SIZE(madera_fll_sync_gains); + } else { + gains = madera_fll_main_gains; + n_gains = ARRAY_SIZE(madera_fll_main_gains); + } + break; + } + + ret = madera_find_fll_gain(fll, cfg, fref, gains, n_gains); + if (ret) + return ret; + + madera_fll_dbg(fll, "N=%d THETA=%d LAMBDA=%d\n", + cfg->n, cfg->theta, cfg->lambda); + madera_fll_dbg(fll, "FRATIO=0x%x(%d) REFCLK_DIV=0x%x(%d)\n", + cfg->fratio, ratio, cfg->refdiv, 1 << cfg->refdiv); + madera_fll_dbg(fll, "GAIN=0x%x(%d)\n", cfg->gain, 1 << cfg->gain); + + return 0; +} + +static bool madera_write_fll(struct madera *madera, unsigned int base, + struct madera_fll_cfg *cfg, int source, + bool sync, int gain) +{ + bool change, fll_change; + + fll_change = false; + regmap_update_bits_check(madera->regmap, + base + MADERA_FLL_CONTROL_3_OFFS, + MADERA_FLL1_THETA_MASK, + cfg->theta, &change); + fll_change |= change; + regmap_update_bits_check(madera->regmap, + base + MADERA_FLL_CONTROL_4_OFFS, + MADERA_FLL1_LAMBDA_MASK, + cfg->lambda, &change); + fll_change |= change; + regmap_update_bits_check(madera->regmap, + base + MADERA_FLL_CONTROL_5_OFFS, + MADERA_FLL1_FRATIO_MASK, + cfg->fratio << MADERA_FLL1_FRATIO_SHIFT, + &change); + fll_change |= change; + regmap_update_bits_check(madera->regmap, + base + MADERA_FLL_CONTROL_6_OFFS, + MADERA_FLL1_REFCLK_DIV_MASK | + MADERA_FLL1_REFCLK_SRC_MASK, + cfg->refdiv << MADERA_FLL1_REFCLK_DIV_SHIFT | + source << MADERA_FLL1_REFCLK_SRC_SHIFT, + &change); + fll_change |= change; + + if (sync) { + regmap_update_bits_check(madera->regmap, + base + MADERA_FLL_SYNCHRONISER_7_OFFS, + MADERA_FLL1_GAIN_MASK, + gain << MADERA_FLL1_GAIN_SHIFT, + &change); + fll_change |= change; + } else { + regmap_update_bits_check(madera->regmap, + base + MADERA_FLL_CONTROL_7_OFFS, + MADERA_FLL1_GAIN_MASK, + gain << MADERA_FLL1_GAIN_SHIFT, + &change); + fll_change |= change; + } + + regmap_update_bits_check(madera->regmap, + base + MADERA_FLL_CONTROL_2_OFFS, + MADERA_FLL1_CTRL_UPD | MADERA_FLL1_N_MASK, + MADERA_FLL1_CTRL_UPD | cfg->n, &change); + fll_change |= change; + + return fll_change; +} + +static int madera_is_enabled_fll(struct madera_fll *fll, int base) +{ + struct madera *madera = fll->madera; + unsigned int reg; + int ret; + + ret = regmap_read(madera->regmap, + base + MADERA_FLL_CONTROL_1_OFFS, ®); + if (ret != 0) { + madera_fll_err(fll, "Failed to read current state: %d\n", ret); + return ret; + } + + return reg & MADERA_FLL1_ENA; +} + +static int madera_wait_for_fll(struct madera_fll *fll, bool requested) +{ + struct madera *madera = fll->madera; + unsigned int val = 0; + bool status; + int i; + + madera_fll_dbg(fll, "Waiting for FLL...\n"); + + for (i = 0; i < 30; i++) { + regmap_read(madera->regmap, MADERA_IRQ1_RAW_STATUS_2, &val); + status = val & (MADERA_FLL1_LOCK_STS1 << (fll->id - 1)); + if (status == requested) + return 0; + + switch (i) { + case 0 ... 5: + usleep_range(75, 125); + break; + case 11 ... 20: + usleep_range(750, 1250); + break; + default: + msleep(20); + break; + } + } + + madera_fll_warn(fll, "Timed out waiting for lock\n"); + + return -ETIMEDOUT; +} + +static bool madera_set_fll_phase_integrator(struct madera_fll *fll, + struct madera_fll_cfg *ref_cfg, + bool sync) +{ + unsigned int val; + bool reg_change; + + if (!sync && ref_cfg->theta == 0) + val = (1 << MADERA_FLL1_PHASE_ENA_SHIFT) | + (2 << MADERA_FLL1_PHASE_GAIN_SHIFT); + else + val = 2 << MADERA_FLL1_PHASE_GAIN_SHIFT; + + regmap_update_bits_check(fll->madera->regmap, + fll->base + MADERA_FLL_EFS_2_OFFS, + MADERA_FLL1_PHASE_ENA_MASK | + MADERA_FLL1_PHASE_GAIN_MASK, + val, ®_change); + + return reg_change; +} + +static void madera_disable_fll(struct madera_fll *fll) +{ + struct madera *madera = fll->madera; + unsigned int sync_base; + bool change; + + switch (madera->type) { + case CS47L35: + sync_base = fll->base + CS47L35_FLL_SYNCHRONISER_OFFS; + break; + default: + sync_base = fll->base + MADERA_FLL_SYNCHRONISER_OFFS; + break; + } + + madera_fll_dbg(fll, "Disabling FLL\n"); + + regmap_update_bits(madera->regmap, + fll->base + MADERA_FLL_CONTROL_1_OFFS, + MADERA_FLL1_FREERUN, MADERA_FLL1_FREERUN); + regmap_update_bits_check(madera->regmap, + fll->base + MADERA_FLL_CONTROL_1_OFFS, + MADERA_FLL1_ENA, 0, &change); + regmap_update_bits(madera->regmap, + sync_base + MADERA_FLL_SYNCHRONISER_1_OFFS, + MADERA_FLL1_SYNC_ENA, 0); + regmap_update_bits(madera->regmap, + fll->base + MADERA_FLL_CONTROL_1_OFFS, + MADERA_FLL1_FREERUN, 0); + + madera_wait_for_fll(fll, false); + + if (change) + pm_runtime_put_autosuspend(madera->dev); +} + +static int madera_enable_fll(struct madera_fll *fll) +{ + struct madera *madera = fll->madera; + bool have_sync = false; + int already_enabled = madera_is_enabled_fll(fll, fll->base); + int sync_enabled; + struct madera_fll_cfg cfg; + unsigned int sync_base; + int gain, ret; + bool fll_change = false; + + if (already_enabled < 0) + return already_enabled; /* error getting current state */ + + if (fll->ref_src < 0 || fll->ref_freq == 0) { + madera_fll_err(fll, "No REFCLK\n"); + ret = -EINVAL; + goto err; + } + + madera_fll_dbg(fll, "Enabling FLL, initially %s\n", + already_enabled ? "enabled" : "disabled"); + + if (fll->fout < MADERA_FLL_MIN_FOUT || + fll->fout > MADERA_FLL_MAX_FOUT) { + madera_fll_err(fll, "invalid fout %uHz\n", fll->fout); + ret = -EINVAL; + goto err; + } + + switch (madera->type) { + case CS47L35: + sync_base = fll->base + CS47L35_FLL_SYNCHRONISER_OFFS; + break; + default: + sync_base = fll->base + MADERA_FLL_SYNCHRONISER_OFFS; + break; + } + + sync_enabled = madera_is_enabled_fll(fll, sync_base); + if (sync_enabled < 0) + return sync_enabled; + + if (already_enabled) { + /* Facilitate smooth refclk across the transition */ + regmap_update_bits(fll->madera->regmap, + fll->base + MADERA_FLL_CONTROL_1_OFFS, + MADERA_FLL1_FREERUN, + MADERA_FLL1_FREERUN); + udelay(32); + regmap_update_bits(fll->madera->regmap, + fll->base + MADERA_FLL_CONTROL_7_OFFS, + MADERA_FLL1_GAIN_MASK, 0); + } + + /* Apply SYNCCLK setting */ + if (fll->sync_src >= 0) { + ret = madera_calc_fll(fll, &cfg, fll->sync_freq, true); + if (ret < 0) + goto err; + + fll_change |= madera_write_fll(madera, sync_base, + &cfg, fll->sync_src, + true, cfg.gain); + have_sync = true; + } + + if (already_enabled && !!sync_enabled != have_sync) + madera_fll_warn(fll, "Synchroniser changed on active FLL\n"); + + /* Apply REFCLK setting */ + ret = madera_calc_fll(fll, &cfg, fll->ref_freq, false); + if (ret < 0) + goto err; + + /* Ref path hardcodes lambda to 65536 when sync is on */ + if (have_sync && cfg.lambda) + cfg.theta = (cfg.theta * (1 << 16)) / cfg.lambda; + + switch (fll->madera->type) { + case CS47L35: + switch (fll->madera->rev) { + case 0: + gain = cfg.gain; + break; + default: + fll_change |= + madera_set_fll_phase_integrator(fll, &cfg, + have_sync); + if (!have_sync && cfg.theta == 0) + gain = cfg.alt_gain; + else + gain = cfg.gain; + break; + } + break; + case CS47L85: + case WM1840: + gain = cfg.gain; + break; + default: + fll_change |= madera_set_fll_phase_integrator(fll, &cfg, + have_sync); + if (!have_sync && cfg.theta == 0) + gain = cfg.alt_gain; + else + gain = cfg.gain; + break; + } + + fll_change |= madera_write_fll(madera, fll->base, + &cfg, fll->ref_src, + false, gain); + + /* + * Increase the bandwidth if we're not using a low frequency + * sync source. + */ + if (have_sync && fll->sync_freq > 100000) + regmap_update_bits(madera->regmap, + sync_base + MADERA_FLL_SYNCHRONISER_7_OFFS, + MADERA_FLL1_SYNC_DFSAT_MASK, 0); + else + regmap_update_bits(madera->regmap, + sync_base + MADERA_FLL_SYNCHRONISER_7_OFFS, + MADERA_FLL1_SYNC_DFSAT_MASK, + MADERA_FLL1_SYNC_DFSAT); + + if (!already_enabled) + pm_runtime_get_sync(madera->dev); + + if (have_sync) + regmap_update_bits(madera->regmap, + sync_base + MADERA_FLL_SYNCHRONISER_1_OFFS, + MADERA_FLL1_SYNC_ENA, + MADERA_FLL1_SYNC_ENA); + regmap_update_bits(madera->regmap, + fll->base + MADERA_FLL_CONTROL_1_OFFS, + MADERA_FLL1_ENA, MADERA_FLL1_ENA); + + if (already_enabled) + regmap_update_bits(madera->regmap, + fll->base + MADERA_FLL_CONTROL_1_OFFS, + MADERA_FLL1_FREERUN, 0); + + if (fll_change || !already_enabled) + madera_wait_for_fll(fll, true); + + return 0; + +err: + /* In case of error don't leave the FLL running with an old config */ + madera_disable_fll(fll); + + return ret; +} + +static int madera_apply_fll(struct madera_fll *fll) +{ + if (fll->fout) { + return madera_enable_fll(fll); + } else { + madera_disable_fll(fll); + return 0; + } +} + +int madera_set_fll_syncclk(struct madera_fll *fll, int source, + unsigned int fref, unsigned int fout) +{ + /* + * fout is ignored, since the synchronizer is an optional extra + * constraint on the Fout generated from REFCLK, so the Fout is + * set when configuring REFCLK + */ + + if (fll->sync_src == source && fll->sync_freq == fref) + return 0; + + fll->sync_src = source; + fll->sync_freq = fref; + + return madera_apply_fll(fll); +} +EXPORT_SYMBOL_GPL(madera_set_fll_syncclk); + +int madera_set_fll_refclk(struct madera_fll *fll, int source, + unsigned int fref, unsigned int fout) +{ + int ret; + + if (fll->ref_src == source && + fll->ref_freq == fref && fll->fout == fout) + return 0; + + /* + * Changes of fout on an enabled FLL aren't allowed except when + * setting fout==0 to disable the FLL + */ + if (fout && fout != fll->fout) { + ret = madera_is_enabled_fll(fll, fll->base); + if (ret < 0) + return ret; + + if (ret) { + madera_fll_err(fll, "Can't change Fout on active FLL\n"); + return -EBUSY; + } + } + + fll->ref_src = source; + fll->ref_freq = fref; + fll->fout = fout; + + return madera_apply_fll(fll); +} +EXPORT_SYMBOL_GPL(madera_set_fll_refclk); + +int madera_init_fll(struct madera *madera, int id, int base, + struct madera_fll *fll) +{ + fll->id = id; + fll->base = base; + fll->madera = madera; + fll->ref_src = MADERA_FLL_SRC_NONE; + fll->sync_src = MADERA_FLL_SRC_NONE; + + regmap_update_bits(madera->regmap, + fll->base + MADERA_FLL_CONTROL_1_OFFS, + MADERA_FLL1_FREERUN, 0); + + return 0; +} +EXPORT_SYMBOL_GPL(madera_init_fll); + +static const struct reg_sequence madera_fll_ao_32K_49M_patch[] = { + { MADERA_FLLAO_CONTROL_2, 0x02EE }, + { MADERA_FLLAO_CONTROL_3, 0x0000 }, + { MADERA_FLLAO_CONTROL_4, 0x0001 }, + { MADERA_FLLAO_CONTROL_5, 0x0002 }, + { MADERA_FLLAO_CONTROL_6, 0x8001 }, + { MADERA_FLLAO_CONTROL_7, 0x0004 }, + { MADERA_FLLAO_CONTROL_8, 0x0077 }, + { MADERA_FLLAO_CONTROL_10, 0x06D8 }, + { MADERA_FLLAO_CONTROL_11, 0x0085 }, + { MADERA_FLLAO_CONTROL_2, 0x82EE }, +}; + +static const struct reg_sequence madera_fll_ao_32K_45M_patch[] = { + { MADERA_FLLAO_CONTROL_2, 0x02B1 }, + { MADERA_FLLAO_CONTROL_3, 0x0001 }, + { MADERA_FLLAO_CONTROL_4, 0x0010 }, + { MADERA_FLLAO_CONTROL_5, 0x0002 }, + { MADERA_FLLAO_CONTROL_6, 0x8001 }, + { MADERA_FLLAO_CONTROL_7, 0x0004 }, + { MADERA_FLLAO_CONTROL_8, 0x0077 }, + { MADERA_FLLAO_CONTROL_10, 0x06D8 }, + { MADERA_FLLAO_CONTROL_11, 0x0005 }, + { MADERA_FLLAO_CONTROL_2, 0x82B1 }, +}; + +struct madera_fllao_patch { + unsigned int fin; + unsigned int fout; + const struct reg_sequence *patch; + unsigned int patch_size; +}; + +static const struct madera_fllao_patch madera_fllao_settings[] = { + { + .fin = 32768, + .fout = 49152000, + .patch = madera_fll_ao_32K_49M_patch, + .patch_size = ARRAY_SIZE(madera_fll_ao_32K_49M_patch), + + }, + { + .fin = 32768, + .fout = 45158400, + .patch = madera_fll_ao_32K_45M_patch, + .patch_size = ARRAY_SIZE(madera_fll_ao_32K_45M_patch), + }, +}; + +static int madera_enable_fll_ao(struct madera_fll *fll, + const struct reg_sequence *patch, + unsigned int patch_size) +{ + struct madera *madera = fll->madera; + int already_enabled = madera_is_enabled_fll(fll, fll->base); + unsigned int val; + int i; + + if (already_enabled < 0) + return already_enabled; + + if (!already_enabled) + pm_runtime_get_sync(madera->dev); + + madera_fll_dbg(fll, "Enabling FLL_AO, initially %s\n", + already_enabled ? "enabled" : "disabled"); + + /* FLL_AO_HOLD must be set before configuring any registers */ + regmap_update_bits(fll->madera->regmap, + fll->base + MADERA_FLLAO_CONTROL_1_OFFS, + MADERA_FLL_AO_HOLD, MADERA_FLL_AO_HOLD); + + for (i = 0; i < patch_size; i++) { + val = patch[i].def; + + /* modify the patch to apply fll->ref_src as input clock */ + if (patch[i].reg == MADERA_FLLAO_CONTROL_6) { + val &= ~MADERA_FLL_AO_REFCLK_SRC_MASK; + val |= (fll->ref_src << MADERA_FLL_AO_REFCLK_SRC_SHIFT) + & MADERA_FLL_AO_REFCLK_SRC_MASK; + } + + regmap_write(madera->regmap, patch[i].reg, val); + } + + regmap_update_bits(madera->regmap, + fll->base + MADERA_FLLAO_CONTROL_1_OFFS, + MADERA_FLL_AO_ENA, MADERA_FLL_AO_ENA); + + /* Release the hold so that fll_ao locks to external frequency */ + regmap_update_bits(madera->regmap, + fll->base + MADERA_FLLAO_CONTROL_1_OFFS, + MADERA_FLL_AO_HOLD, 0); + + if (!already_enabled) + madera_wait_for_fll(fll, true); + + return 0; +} + +static int madera_disable_fll_ao(struct madera_fll *fll) +{ + struct madera *madera = fll->madera; + bool change; + + madera_fll_dbg(fll, "Disabling FLL_AO\n"); + + regmap_update_bits(madera->regmap, + fll->base + MADERA_FLLAO_CONTROL_1_OFFS, + MADERA_FLL_AO_HOLD, MADERA_FLL_AO_HOLD); + regmap_update_bits_check(madera->regmap, + fll->base + MADERA_FLLAO_CONTROL_1_OFFS, + MADERA_FLL_AO_ENA, 0, &change); + + madera_wait_for_fll(fll, false); + + /* + * ctrl_up gates the writes to all fll_ao register, setting it to 0 + * here ensures that after a runtime suspend/resume cycle when one + * enables the fllao then ctrl_up is the last bit that is configured + * by the fllao enable code rather than the cache sync operation which + * would have updated it much earlier before writing out all fllao + * registers + */ + regmap_update_bits(madera->regmap, + fll->base + MADERA_FLLAO_CONTROL_2_OFFS, + MADERA_FLL_AO_CTRL_UPD_MASK, 0); + + if (change) + pm_runtime_put_autosuspend(madera->dev); + + return 0; +} + +int madera_set_fll_ao_refclk(struct madera_fll *fll, int source, + unsigned int fin, unsigned int fout) +{ + int ret = 0; + const struct reg_sequence *patch = NULL; + int patch_size = 0; + unsigned int i; + + if (fll->ref_src == source && + fll->ref_freq == fin && fll->fout == fout) + return 0; + + madera_fll_dbg(fll, "Change FLL_AO refclk to fin=%u fout=%u source=%d\n", + fin, fout, source); + + if (fout && (fll->ref_freq != fin || fll->fout != fout)) { + for (i = 0; i < ARRAY_SIZE(madera_fllao_settings); i++) { + if (madera_fllao_settings[i].fin == fin && + madera_fllao_settings[i].fout == fout) + break; + } + + if (i == ARRAY_SIZE(madera_fllao_settings)) { + madera_fll_err(fll, + "No matching configuration for FLL_AO\n"); + return -EINVAL; + } + + patch = madera_fllao_settings[i].patch; + patch_size = madera_fllao_settings[i].patch_size; + } + + fll->ref_src = source; + fll->ref_freq = fin; + fll->fout = fout; + + if (fout) + ret = madera_enable_fll_ao(fll, patch, patch_size); + else + madera_disable_fll_ao(fll); + + return ret; +} +EXPORT_SYMBOL_GPL(madera_set_fll_ao_refclk); + +/** + * madera_set_output_mode - Set the mode of the specified output + * + * @component: Device to configure + * @output: Output number + * @diff: True to set the output to differential mode + * + * Some systems use external analogue switches to connect more + * analogue devices to the CODEC than are supported by the device. In + * some systems this requires changing the switched output from single + * ended to differential mode dynamically at runtime, an operation + * supported using this function. + * + * Most systems have a single static configuration and should use + * platform data instead. + */ +int madera_set_output_mode(struct snd_soc_component *component, int output, + bool differential) +{ + unsigned int reg, val; + int ret; + + if (output < 1 || output > MADERA_MAX_OUTPUT) + return -EINVAL; + + reg = MADERA_OUTPUT_PATH_CONFIG_1L + (output - 1) * 8; + + if (differential) + val = MADERA_OUT1_MONO; + else + val = 0; + + ret = snd_soc_component_update_bits(component, reg, MADERA_OUT1_MONO, + val); + if (ret < 0) + return ret; + else + return 0; +} +EXPORT_SYMBOL_GPL(madera_set_output_mode); + +static bool madera_eq_filter_unstable(bool mode, __be16 _a, __be16 _b) +{ + s16 a = be16_to_cpu(_a); + s16 b = be16_to_cpu(_b); + + if (!mode) { + return abs(a) >= 4096; + } else { + if (abs(b) >= 4096) + return true; + + return (abs((a << 16) / (4096 - b)) >= 4096 << 4); + } +} + +int madera_eq_coeff_put(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) +{ + struct snd_soc_component *component = + snd_soc_kcontrol_component(kcontrol); + struct madera_priv *priv = snd_soc_component_get_drvdata(component); + struct madera *madera = priv->madera; + struct soc_bytes *params = (void *)kcontrol->private_value; + unsigned int val; + __be16 *data; + int len; + int ret; + + len = params->num_regs * regmap_get_val_bytes(madera->regmap); + + data = kmemdup(ucontrol->value.bytes.data, len, GFP_KERNEL | GFP_DMA); + if (!data) + return -ENOMEM; + + data[0] &= cpu_to_be16(MADERA_EQ1_B1_MODE); + + if (madera_eq_filter_unstable(!!data[0], data[1], data[2]) || + madera_eq_filter_unstable(true, data[4], data[5]) || + madera_eq_filter_unstable(true, data[8], data[9]) || + madera_eq_filter_unstable(true, data[12], data[13]) || + madera_eq_filter_unstable(false, data[16], data[17])) { + dev_err(madera->dev, "Rejecting unstable EQ coefficients\n"); + ret = -EINVAL; + goto out; + } + + ret = regmap_read(madera->regmap, params->base, &val); + if (ret != 0) + goto out; + + val &= ~MADERA_EQ1_B1_MODE; + data[0] |= cpu_to_be16(val); + + ret = regmap_raw_write(madera->regmap, params->base, data, len); + +out: + kfree(data); + + return ret; +} +EXPORT_SYMBOL_GPL(madera_eq_coeff_put); + +int madera_lhpf_coeff_put(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) +{ + struct snd_soc_component *component = + snd_soc_kcontrol_component(kcontrol); + struct madera_priv *priv = snd_soc_component_get_drvdata(component); + struct madera *madera = priv->madera; + __be16 *data = (__be16 *)ucontrol->value.bytes.data; + s16 val = be16_to_cpu(*data); + + if (abs(val) >= 4096) { + dev_err(madera->dev, "Rejecting unstable LHPF coefficients\n"); + return -EINVAL; + } + + return snd_soc_bytes_put(kcontrol, ucontrol); +} +EXPORT_SYMBOL_GPL(madera_lhpf_coeff_put); + +MODULE_SOFTDEP("pre: madera"); +MODULE_DESCRIPTION("ASoC Cirrus Logic Madera codec support"); +MODULE_AUTHOR("Charles Keepax <ckeepax@opensource.cirrus.com>"); +MODULE_AUTHOR("Richard Fitzgerald <rf@opensource.cirrus.com>"); +MODULE_LICENSE("GPL v2"); |