--- /dev/null
+/*
+ * madera.c - Cirrus Logic Madera class codecs common support
+ *
+ * Copyright 2015-2017 Cirrus Logic
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#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/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_LOOP_FILTER_TEST_1_OFFS 0x7
+#define MADERA_FLL_NCO_TEST_0_OFFS 0x8
+#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_ERROR,
+ MADERA_IRQ_DSP2_BUS_ERROR,
+ MADERA_IRQ_DSP3_BUS_ERROR,
+ MADERA_IRQ_DSP4_BUS_ERROR,
+ MADERA_IRQ_DSP5_BUS_ERROR,
+ MADERA_IRQ_DSP6_BUS_ERROR,
+ MADERA_IRQ_DSP7_BUS_ERROR,
+};
+
+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,
+ "%s Failed to read register: %d (%d)\n",
+ __func__, ret, i);
+ }
+
+ udelay(300);
+}
+EXPORT_SYMBOL_GPL(madera_spin_sysclk);
+
+int madera_sysclk_ev(struct snd_soc_dapm_widget *w,
+ struct snd_kcontrol *kcontrol, int event)
+{
+ struct snd_soc_codec *codec = snd_soc_dapm_to_codec(w->dapm);
+ struct madera_priv *priv = snd_soc_codec_get_drvdata(codec);
+
+ 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_codec *codec = snd_soc_dapm_to_codec(w->dapm);
+ struct madera *madera = dev_get_drvdata(codec->dev->parent);
+ 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 = true; /* for safety attempt to shutdown on error */
+
+ if (shutdown) {
+ 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_crit(madera->dev, "Thermal warning\n");
+ }
+
+ return IRQ_HANDLED;
+}
+
+int madera_init_overheat(struct madera_priv *priv)
+{
+ struct madera *madera = priv->madera;
+ int ret;
+
+ ret = madera_request_irq(madera, MADERA_IRQ_SPK_OVERHEAT_WARN,
+ "Thermal warning", madera_thermal_warn,
+ madera);
+ if (ret)
+ dev_warn(madera->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_warn(madera->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);
+
+static int madera_get_variable_u32_array(struct madera_priv *priv,
+ const char *propname,
+ u32 *dest,
+ int n_max,
+ int multiple)
+{
+ struct madera *madera = priv->madera;
+ int n, ret;
+
+ n = device_property_read_u32_array(madera->dev, propname, NULL, 0);
+ if (n == -EINVAL) {
+ return 0; /* missing, ignore */
+ } else if (n < 0) {
+ dev_warn(madera->dev, "%s malformed (%d)\n",
+ propname, n);
+ return ret;
+ } else if ((n % multiple) != 0) {
+ dev_warn(madera->dev, "%s not a multiple of %d entries\n",
+ propname, multiple);
+ return -EINVAL;
+ }
+
+ if (n > n_max)
+ n = n_max;
+
+ ret = device_property_read_u32_array(madera->dev, propname, dest, n);
+
+ if (ret < 0)
+ return ret;
+ else
+ return n;
+}
+
+static void madera_prop_get_inmode(struct madera_priv *priv)
+{
+ struct madera *madera = priv->madera;
+ u32 tmp[MADERA_MAX_INPUT * MADERA_MAX_MUXED_CHANNELS];
+ int n, i, in_idx, ch_idx;
+
+ BUILD_BUG_ON(ARRAY_SIZE(madera->pdata.codec.inmode) !=
+ MADERA_MAX_INPUT);
+ BUILD_BUG_ON(ARRAY_SIZE(madera->pdata.codec.inmode[0]) !=
+ MADERA_MAX_MUXED_CHANNELS);
+
+ n = madera_get_variable_u32_array(priv,
+ "cirrus,inmode",
+ tmp,
+ ARRAY_SIZE(tmp),
+ MADERA_MAX_MUXED_CHANNELS);
+ if (n < 0)
+ return;
+
+ in_idx = 0;
+ ch_idx = 0;
+ for (i = 0; i < n; ++i) {
+ madera->pdata.codec.inmode[in_idx][ch_idx] = tmp[i];
+
+ if (++ch_idx == MADERA_MAX_MUXED_CHANNELS) {
+ ch_idx = 0;
+ ++in_idx;
+ }
+ }
+}
+
+static void madera_prop_get_pdata(struct madera_priv *priv)
+{
+ struct madera *madera = priv->madera;
+ struct madera_codec_pdata *pdata = &madera->pdata.codec;
+ u32 out_mono[ARRAY_SIZE(pdata->out_mono)];
+ int i, ret;
+
+ ret = madera_get_variable_u32_array(priv,
+ "cirrus,max-channels-clocked",
+ pdata->max_channels_clocked,
+ ARRAY_SIZE(pdata->max_channels_clocked),
+ 1);
+ if (ret < 0)
+ return;
+
+ madera_prop_get_inmode(priv);
+
+ memset(&out_mono, 0, sizeof(out_mono));
+ ret = device_property_read_u32_array(madera->dev,
+ "cirrus,out-mono",
+ out_mono,
+ ARRAY_SIZE(out_mono));
+ if (ret == 0)
+ for (i = 0; i < ARRAY_SIZE(out_mono); ++i)
+ pdata->out_mono[i] = !!out_mono[i];
+
+ madera_get_variable_u32_array(priv,
+ "cirrus,pdm-fmt",
+ pdata->pdm_fmt,
+ ARRAY_SIZE(pdata->pdm_fmt),
+ 1);
+
+ madera_get_variable_u32_array(priv,
+ "cirrus,pdm-mute",
+ pdata->pdm_mute,
+ ARRAY_SIZE(pdata->pdm_mute),
+ 1);
+
+ madera_get_variable_u32_array(priv,
+ "cirrus,dmic-ref",
+ pdata->dmic_ref,
+ ARRAY_SIZE(pdata->dmic_ref),
+ 1);
+}
+
+int madera_core_init(struct madera_priv *priv)
+{
+ BUILD_BUG_ON(ARRAY_SIZE(madera_mixer_texts) != MADERA_NUM_MIXER_INPUTS);
+ BUILD_BUG_ON(ARRAY_SIZE(madera_mixer_values) != MADERA_NUM_MIXER_INPUTS);
+ /* trap undersized array initializers */
+ BUILD_BUG_ON(!madera_sample_rate_text[MADERA_SAMPLE_RATE_ENUM_SIZE - 1]);
+ BUILD_BUG_ON(!madera_sample_rate_val[MADERA_SAMPLE_RATE_ENUM_SIZE - 1]);
+
+ if (!dev_get_platdata(priv->madera->dev))
+ madera_prop_get_pdata(priv);
+
+ mutex_init(&priv->rate_lock);
+
+ return 0;
+}
+EXPORT_SYMBOL_GPL(madera_core_init);
+
+int madera_core_destroy(struct madera_priv *priv)
+{
+ mutex_destroy(&priv->rate_lock);
+
+ return 0;
+}
+EXPORT_SYMBOL_GPL(madera_core_destroy);
+
+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_codec *codec = snd_soc_dapm_to_codec(w->dapm);
+ struct madera_priv *priv = snd_soc_codec_get_drvdata(codec);
+ 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_codec *codec = snd_soc_dapm_kcontrol_codec(kcontrol);
+ struct snd_soc_dapm_context *dapm =
+ snd_soc_dapm_kcontrol_dapm(kcontrol);
+ struct madera *madera = dev_get_drvdata(codec->dev->parent);
+ struct soc_enum *e = (struct soc_enum *)kcontrol->private_value;
+ unsigned int ep_sel, mux, change;
+ int ret, demux_change_ret;
+ bool out_mono, restore_out = true;
+
+ if (ucontrol->value.enumerated.item[0] > e->items - 1)
+ return -EINVAL;
+
+ mux = ucontrol->value.enumerated.item[0];
+ ep_sel = mux << MADERA_EP_SEL_SHIFT;
+
+ snd_soc_dapm_mutex_lock(dapm);
+
+ change = snd_soc_test_bits(codec, 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 */
+
+ /*
+ * if HP detection clamp is applied while switching to HPOUT
+ * OUT1 should remain disabled and EDRE should be set to manual
+ */
+ if (!ep_sel &&
+ (madera->out_clamp[0] || madera->out_shorted[0]))
+ restore_out = false;
+
+ /* change demux setting */
+ demux_change_ret = regmap_update_bits(madera->regmap,
+ MADERA_OUTPUT_ENABLES_1,
+ MADERA_EP_SEL_MASK, ep_sel);
+ if (demux_change_ret) {
+ dev_err(madera->dev, "Failed to set OUT1 demux: %d\n",
+ demux_change_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(codec, 1, out_mono);
+ if (ret)
+ dev_warn(madera->dev,
+ "Failed to set output mode: %d\n", ret);
+ }
+
+ /* restore output state if allowed */
+ if (restore_out) {
+ 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);
+
+
+static int madera_inmux_put(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol)
+{
+ struct snd_soc_codec *codec = snd_soc_dapm_kcontrol_codec(kcontrol);
+ struct snd_soc_dapm_context *dapm =
+ snd_soc_dapm_kcontrol_dapm(kcontrol);
+ struct madera *madera = dev_get_drvdata(codec->dev->parent);
+ struct soc_enum *e = (struct soc_enum *) kcontrol->private_value;
+ unsigned int mux, src_val, src_mask, gang_reg, dmode_reg, dmode_val;
+ unsigned int inmode_a, inmode_gang, inmode;
+ bool changed = false;
+ int ret;
+
+ mux = ucontrol->value.enumerated.item[0];
+ if (mux > 1)
+ return -EINVAL;
+
+ src_val = mux << e->shift_l;
+ src_mask = e->mask << e->shift_l;
+
+ switch (e->reg) {
+ case MADERA_ADC_DIGITAL_VOLUME_1L:
+ inmode_a = madera->pdata.codec.inmode[0][0];
+ inmode = madera->pdata.codec.inmode[0][2 * mux];
+ inmode_gang = madera->pdata.codec.inmode[0][1 + (2 * mux)];
+ gang_reg = MADERA_ADC_DIGITAL_VOLUME_1R;
+ dmode_reg = MADERA_IN1L_CONTROL;
+ break;
+ case MADERA_ADC_DIGITAL_VOLUME_1R:
+ inmode_a = madera->pdata.codec.inmode[0][0];
+ inmode = madera->pdata.codec.inmode[0][1 + (2 * mux)];
+ inmode_gang = madera->pdata.codec.inmode[0][2 * mux];
+ gang_reg = MADERA_ADC_DIGITAL_VOLUME_1L;
+ dmode_reg = MADERA_IN1L_CONTROL;
+ break;
+ case MADERA_ADC_DIGITAL_VOLUME_2L:
+ inmode_a = madera->pdata.codec.inmode[1][0];
+ inmode = madera->pdata.codec.inmode[1][2 * mux];
+ inmode_gang = madera->pdata.codec.inmode[1][1 + (2 * mux)];
+ gang_reg = MADERA_ADC_DIGITAL_VOLUME_2R;
+ dmode_reg = MADERA_IN2L_CONTROL;
+ break;
+ case MADERA_ADC_DIGITAL_VOLUME_2R:
+ inmode_a = madera->pdata.codec.inmode[1][0];
+ inmode = madera->pdata.codec.inmode[1][1 + (2 * mux)];
+ inmode_gang = madera->pdata.codec.inmode[1][2 * mux];
+ gang_reg = MADERA_ADC_DIGITAL_VOLUME_2L;
+ dmode_reg = MADERA_IN2L_CONTROL;
+ break;
+ default:
+ return -EINVAL;
+ }
+
+ /* SE mask and shift is same for all channels */
+ src_mask |= MADERA_IN1L_SRC_SE_MASK;
+ if (inmode & MADERA_INMODE_SE)
+ src_val |= 1 << MADERA_IN1L_SRC_SE_SHIFT;
+
+ dev_dbg(madera->dev,
+ "mux=%u reg=0x%x inmode_a=0x%x inmode=0x%x mask=0x%x val=0x%x\n",
+ mux, e->reg, inmode_a, inmode, src_mask, src_val);
+
+ ret = snd_soc_component_update_bits(dapm->component,
+ e->reg,
+ src_mask,
+ src_val);
+ if (ret < 0)
+ return ret;
+ else if (ret)
+ changed = true;
+
+ /* if the A input is digital we must switch both channels together */
+ if (inmode_a == MADERA_INMODE_DMIC) {
+ switch (madera->type) {
+ case CS47L85:
+ case WM1840:
+ if (e->reg == MADERA_ADC_DIGITAL_VOLUME_1L)
+ goto out; /* not ganged */
+ break;
+ case CS47L90:
+ case CS47L91:
+ if (e->reg == MADERA_ADC_DIGITAL_VOLUME_2L)
+ goto out; /* not ganged */
+ break;
+ default:
+ break;
+ }
+
+ /* ganged channels can have different analogue modes */
+ if (inmode_gang & MADERA_INMODE_SE)
+ src_val |= 1 << MADERA_IN1L_SRC_SE_SHIFT;
+ else
+ src_val &= ~(1 << MADERA_IN1L_SRC_SE_SHIFT);
+
+ if (mux)
+ dmode_val = 0; /* B always analogue */
+ else
+ dmode_val = 1 << MADERA_IN1_MODE_SHIFT; /* DMIC */
+
+ dev_dbg(madera->dev,
+ "gang_reg=0x%x inmode_gang=0x%x gang_val=0x%x dmode_val=0x%x\n",
+ gang_reg, inmode_gang, src_val, dmode_val);
+
+ ret = snd_soc_component_update_bits(dapm->component,
+ gang_reg,
+ src_mask,
+ src_val);
+ if (ret < 0)
+ return ret;
+ else if (ret)
+ changed = true;
+
+ ret = snd_soc_component_update_bits(dapm->component,
+ dmode_reg,
+ MADERA_IN1_MODE_MASK,
+ dmode_val);
+ }
+
+out:
+ 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 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:
+ count = priv->domain_group_ref[MADERA_DOM_GRP_ASRC1_RATE_1];
+ break;
+ case MADERA_ASRC1_RATE2:
+ count = priv->domain_group_ref[MADERA_DOM_GRP_ASRC1_RATE_2];
+ break;
+ case MADERA_ASRC2_RATE1:
+ count = priv->domain_group_ref[MADERA_DOM_GRP_ASRC2_RATE_1];
+ break;
+ case MADERA_ASRC2_RATE2:
+ count = priv->domain_group_ref[MADERA_DOM_GRP_ASRC2_RATE_2];
+ break;
+ case MADERA_ISRC_1_CTRL_1:
+ count = priv->domain_group_ref[MADERA_DOM_GRP_ISRC1_INT];
+ break;
+ case MADERA_ISRC_1_CTRL_2:
+ count = priv->domain_group_ref[MADERA_DOM_GRP_ISRC1_DEC];
+ break;
+ case MADERA_ISRC_2_CTRL_1:
+ count = priv->domain_group_ref[MADERA_DOM_GRP_ISRC2_INT];
+ break;
+ case MADERA_ISRC_2_CTRL_2:
+ count = priv->domain_group_ref[MADERA_DOM_GRP_ISRC2_DEC];
+ break;
+ case MADERA_ISRC_3_CTRL_1:
+ count = priv->domain_group_ref[MADERA_DOM_GRP_ISRC3_INT];
+ break;
+ case MADERA_ISRC_3_CTRL_2:
+ count = priv->domain_group_ref[MADERA_DOM_GRP_ISRC3_DEC];
+ break;
+ case MADERA_ISRC_4_CTRL_1:
+ count = priv->domain_group_ref[MADERA_DOM_GRP_ISRC4_INT];
+ break;
+ case MADERA_ISRC_4_CTRL_2:
+ count = priv->domain_group_ref[MADERA_DOM_GRP_ISRC4_DEC];
+ 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;
+}
+
+int madera_adsp_rate_get(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol)
+{
+ struct snd_soc_codec *codec = snd_soc_kcontrol_codec(kcontrol);
+ struct madera_priv *priv = snd_soc_codec_get_drvdata(codec);
+ 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;
+}
+EXPORT_SYMBOL_GPL(madera_adsp_rate_get);
+
+int madera_adsp_rate_put(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol)
+{
+ struct snd_soc_codec *codec = snd_soc_kcontrol_codec(kcontrol);
+ struct madera_priv *priv = snd_soc_codec_get_drvdata(codec);
+ 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;
+}
+EXPORT_SYMBOL_GPL(madera_adsp_rate_put);
+
+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;
+
+ /*
+ * Take snapshot of rate. There will always be a race condition
+ * between this code and setting the rate control. Wrapping the entire
+ * function in the lock won't change that so don't bother
+ */
+ mutex_lock(&priv->rate_lock);
+ val = priv->adsp_rate_cache[dsp->num - 1] << MADERA_DSP_RATE_SHIFT;
+ mutex_unlock(&priv->rate_lock);
+
+ 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);
+
+ 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
+ */
+
+ 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;
+
+ mutex_lock(&priv->rate_lock);
+ new = priv->adsp_rate_cache[dsp->num - 1] << MADERA_DSP_RATE_SHIFT;
+ mutex_unlock(&priv->rate_lock);
+
+ 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_codec *codec = snd_soc_kcontrol_codec(kcontrol);
+ struct snd_soc_dapm_context *dapm =
+ snd_soc_dapm_kcontrol_dapm(kcontrol);
+ struct madera_priv *priv = snd_soc_codec_get_drvdata(codec);
+ 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(dapm->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, i;
+
+ switch (madera->type) {
+ case CS47L35:
+ max_analogue_inputs = 2;
+ break;
+ case CS47L85:
+ case WM1840:
+ max_analogue_inputs = 3;
+ break;
+ default:
+ max_analogue_inputs = 2;
+ 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_analogue_inputs; 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;
+ case MADERA_INMODE_DMIC:
+ ana_mode_l = 0;
+ dig_mode |= 1 << MADERA_IN1_MODE_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:
+ case MADERA_INMODE_DMIC:
+ 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 |
+ MADERA_IN1_MODE_MASK,
+ dig_mode);
+
+ 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_codec *codec,
+ const char * const *dmic_inputs, int n_dmic_inputs,
+ const char * const *dmic_refs, int n_dmic_refs)
+{
+ struct snd_soc_dapm_context *dapm = snd_soc_codec_get_dapm(codec);
+ struct madera_priv *priv = snd_soc_codec_get_drvdata(codec);
+ struct madera *madera = priv->madera;
+ unsigned int ref;
+ int i, ret;
+ struct snd_soc_dapm_route routes[2];
+
+ memset(&routes, 0, sizeof(routes));
+
+ madera_configure_input_mode(madera);
+
+ for (i = 0; i < n_dmic_inputs / 2; ++i) {
+ ref = madera->pdata.codec.dmic_ref[i];
+ if (ref >= n_dmic_refs) {
+ dev_err(madera->dev,
+ "Illegal DMIC ref %u for IN%d\n", ref, i);
+ return -EINVAL;
+ }
+
+ routes[0].source = dmic_refs[ref];
+ routes[1].source = dmic_refs[ref];
+ routes[0].sink = dmic_inputs[i * 2];
+ routes[1].sink = dmic_inputs[(i * 2) + 1];
+
+ ret = snd_soc_dapm_add_routes(dapm, routes, 2);
+ if (ret)
+ dev_warn(madera->dev,
+ "Failed to add routes for %s->(%s,%s) (%d)\n",
+ routes[0].source,
+ routes[0].sink,
+ routes[1].sink,
+ ret);
+ }
+
+ 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_codec *codec, int n_mono_routes)
+{
+ struct snd_soc_dapm_context *dapm = snd_soc_codec_get_dapm(codec);
+ struct madera_priv *priv = snd_soc_codec_get_drvdata(codec);
+ 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_destroy_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_destroy_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",
+ "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);
+
+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,
+ 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_sample_rate_text[MADERA_SAMPLE_RATE_ENUM_SIZE] = {
+ "12kHz", "24kHz", "48kHz", "96kHz", "192kHz", "384kHz",
+ "11.025kHz", "22.05kHz", "44.1kHz", "88.2kHz", "176.4kHz", "352.8kHz",
+ "4kHz", "8kHz", "16kHz", "32kHz",
+};
+EXPORT_SYMBOL_GPL(madera_sample_rate_text);
+
+const unsigned int madera_sample_rate_val[MADERA_SAMPLE_RATE_ENUM_SIZE] = {
+ 0x01, 0x02, 0x03, 0x04, 0x05, 0x06,
+ 0x09, 0x0A, 0x0B, 0x0C, 0x0D, 0x0E,
+ 0x10, 0x11, 0x12, 0x13,
+};
+EXPORT_SYMBOL_GPL(madera_sample_rate_val);
+
+const char *madera_sample_rate_val_to_name(unsigned int rate_val)
+{
+ int i;
+
+ for (i = 0; i < ARRAY_SIZE(madera_sample_rate_val); ++i) {
+ if (madera_sample_rate_val[i] == rate_val)
+ return madera_sample_rate_text[i];
+ }
+
+ return "Illegal";
+}
+EXPORT_SYMBOL_GPL(madera_sample_rate_val_to_name);
+
+const struct soc_enum madera_sample_rate[] = {
+ SOC_VALUE_ENUM_SINGLE(MADERA_SAMPLE_RATE_2,
+ MADERA_SAMPLE_RATE_2_SHIFT, 0x1f,
+ MADERA_SAMPLE_RATE_ENUM_SIZE,
+ madera_sample_rate_text,
+ madera_sample_rate_val),
+ SOC_VALUE_ENUM_SINGLE(MADERA_SAMPLE_RATE_3,
+ MADERA_SAMPLE_RATE_3_SHIFT, 0x1f,
+ MADERA_SAMPLE_RATE_ENUM_SIZE,
+ madera_sample_rate_text,
+ madera_sample_rate_val),
+ SOC_VALUE_ENUM_SINGLE(MADERA_ASYNC_SAMPLE_RATE_2,
+ MADERA_ASYNC_SAMPLE_RATE_2_SHIFT, 0x1f,
+ MADERA_SAMPLE_RATE_ENUM_SIZE,
+ madera_sample_rate_text,
+ madera_sample_rate_val),
+
+};
+EXPORT_SYMBOL_GPL(madera_sample_rate);
+
+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);
+
+const char * const madera_dfc_width_text[MADERA_DFC_WIDTH_ENUM_SIZE] = {
+ "8bit", "16bit", "20bit", "24bit", "32bit",
+};
+EXPORT_SYMBOL_GPL(madera_dfc_width_text);
+
+const unsigned int madera_dfc_width_val[MADERA_DFC_WIDTH_ENUM_SIZE] = {
+ 7, 15, 19, 23, 31,
+};
+EXPORT_SYMBOL_GPL(madera_dfc_width_val);
+
+const char * const madera_dfc_type_text[MADERA_DFC_TYPE_ENUM_SIZE] = {
+ "Fixed", "Unsigned Fixed", "Single Precision Floating",
+ "Half Precision Floating", "Arm Alternative Floating",
+};
+EXPORT_SYMBOL_GPL(madera_dfc_type_text);
+
+const unsigned int madera_dfc_type_val[MADERA_DFC_TYPE_ENUM_SIZE] = {
+ 0, 1, 2, 4, 5,
+};
+EXPORT_SYMBOL_GPL(madera_dfc_type_val);
+
+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,
+ 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,
+ 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_codec *codec = snd_soc_kcontrol_codec(kcontrol);
+ struct snd_soc_dapm_context *dapm = snd_soc_codec_get_dapm(codec);
+ 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);
+
+ val = snd_soc_read(codec, reg);
+ if (val & MADERA_DFC1_ENA) {
+ ret = -EBUSY;
+ dev_err(codec->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_codec *codec = snd_soc_kcontrol_codec(kcontrol);
+ struct snd_soc_dapm_context *dapm = snd_soc_codec_get_dapm(codec);
+ unsigned int reg, mask;
+ int ret;
+
+ snd_soc_dapm_mutex_lock(dapm);
+
+ /* Cannot change lp mode on an active input */
+ reg = snd_soc_read(codec, MADERA_INPUT_ENABLES);
+ mask = (mc->reg - MADERA_ADC_DIGITAL_VOLUME_1L) / 4;
+ mask ^= 0x1; /* Flip bottom bit for channel order */
+
+ if ((reg) & (1 << mask)) {
+ ret = -EBUSY;
+ dev_err(codec->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_codec *codec = snd_soc_dapm_to_codec(w->dapm);
+ struct madera_priv *priv = snd_soc_codec_get_drvdata(codec);
+ unsigned int reg;
+
+ 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_update_bits(codec, 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_update_bits(codec, 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 */
+ reg = snd_soc_read(codec, MADERA_INPUT_ENABLES);
+ if (reg == 0)
+ madera_in_set_vu(priv, false);
+ break;
+ default:
+ break;
+ }
+
+ return 0;
+}
+EXPORT_SYMBOL_GPL(madera_in_ev);
+
+int madera_dre_put(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol)
+{
+ struct snd_soc_codec *codec = snd_soc_kcontrol_codec(kcontrol);
+ struct snd_soc_dapm_context *dapm = snd_soc_codec_get_dapm(codec);
+ int ret;
+
+ snd_soc_dapm_mutex_lock(dapm);
+
+ ret = snd_soc_put_volsw(kcontrol, ucontrol);
+
+ snd_soc_dapm_mutex_unlock(dapm);
+
+ return ret;
+}
+EXPORT_SYMBOL_GPL(madera_dre_put);
+
+int madera_out_ev(struct snd_soc_dapm_widget *w,
+ struct snd_kcontrol *kcontrol, int event)
+{
+ struct snd_soc_codec *codec = snd_soc_dapm_to_codec(w->dapm);
+ struct madera_priv *priv = snd_soc_codec_get_drvdata(codec);
+ 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_codec *codec = snd_soc_dapm_to_codec(w->dapm);
+ struct madera_priv *priv = snd_soc_codec_get_drvdata(codec);
+ 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 clamp is active 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_codec *codec = snd_soc_dapm_to_codec(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_write(codec, 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_codec *codec, unsigned int clk,
+ unsigned int freq)
+{
+ struct madera_priv *priv = snd_soc_codec_get_drvdata(codec);
+ unsigned int reg;
+ 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(codec->dev, "Configured %dHz OPCLK\n",
+ freq);
+ snd_soc_update_bits(codec, reg,
+ MADERA_OPCLK_DIV_MASK |
+ MADERA_OPCLK_SEL_MASK,
+ (div <<
+ MADERA_OPCLK_DIV_SHIFT) |
+ ref);
+ return 0;
+ }
+ div += 2;
+ }
+ }
+
+ dev_err(codec->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;
+ }
+}
+
+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;
+ }
+}
+EXPORT_SYMBOL_GPL(madera_get_legacy_dspclk_setting);
+
+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_codec *codec, int clk_id,
+ int source, unsigned int freq, int dir)
+{
+ struct madera_priv *priv = snd_soc_codec_get_drvdata(codec);
+ 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_OPCLK:
+ case MADERA_CLK_ASYNC_OPCLK:
+ return madera_set_opclk(codec, clk_id, freq);
+ 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;
+ 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", 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_codec *codec = dai->codec;
+ struct madera_priv *priv = snd_soc_codec_get_drvdata(codec);
+ 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_48K_RATE_MASK 0x0F003E
+#define MADERA_44K1_RATE_MASK 0x003E00
+#define MADERA_RATE_MASK (MADERA_48K_RATE_MASK | MADERA_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_codec *codec = dai->codec;
+ struct madera_priv *priv = snd_soc_codec_get_drvdata(codec);
+ 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_RATE_MASK;
+ else if (base_rate % 4000)
+ dai_priv->constraint.mask = MADERA_44K1_RATE_MASK;
+ else
+ dai_priv->constraint.mask = MADERA_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_codec *codec = dai->codec;
+ struct madera_priv *priv = snd_soc_codec_get_drvdata(codec);
+ struct madera_dai_priv *dai_priv = &priv->dai[dai->id - 1];
+ int base = dai->driver->base;
+ int ret = 0;
+ int i, sr_val;
+ unsigned int cur, tar;
+ bool change_rate_domain = false;
+
+ 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;
+
+ if (base) {
+ switch (dai_priv->clk) {
+ case MADERA_CLK_SYSCLK_1:
+ tar = 0 << MADERA_AIF1_RATE_SHIFT;
+ break;
+ case MADERA_CLK_SYSCLK_2:
+ tar = 1 << MADERA_AIF1_RATE_SHIFT;
+ break;
+ case MADERA_CLK_SYSCLK_3:
+ tar = 2 << MADERA_AIF1_RATE_SHIFT;
+ break;
+ case MADERA_CLK_ASYNCCLK_1:
+ tar = 8 << MADERA_AIF1_RATE_SHIFT;
+ break;
+ case MADERA_CLK_ASYNCCLK_2:
+ tar = 9 << MADERA_AIF1_RATE_SHIFT;
+ break;
+ default:
+ madera_aif_err(dai, "Illegal clock id %d\n",
+ dai_priv->clk);
+ return -EINVAL;
+ }
+
+ 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)) {
+ change_rate_domain = true;
+
+ 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);
+ }
+ }
+
+ switch (dai_priv->clk) {
+ case MADERA_CLK_SYSCLK_1:
+ snd_soc_update_bits(codec, MADERA_SAMPLE_RATE_1,
+ MADERA_SAMPLE_RATE_1_MASK, sr_val);
+ if (base)
+ snd_soc_update_bits(codec, base + MADERA_AIF_RATE_CTRL,
+ MADERA_AIF1_RATE_MASK,
+ 0 << MADERA_AIF1_RATE_SHIFT);
+ break;
+ case MADERA_CLK_SYSCLK_2:
+ snd_soc_update_bits(codec, MADERA_SAMPLE_RATE_2,
+ MADERA_SAMPLE_RATE_2_MASK, sr_val);
+ if (base)
+ snd_soc_update_bits(codec, base + MADERA_AIF_RATE_CTRL,
+ MADERA_AIF1_RATE_MASK,
+ 1 << MADERA_AIF1_RATE_SHIFT);
+ break;
+ case MADERA_CLK_SYSCLK_3:
+ snd_soc_update_bits(codec, MADERA_SAMPLE_RATE_3,
+ MADERA_SAMPLE_RATE_3_MASK, sr_val);
+ if (base)
+ snd_soc_update_bits(codec, base + MADERA_AIF_RATE_CTRL,
+ MADERA_AIF1_RATE_MASK,
+ 2 << MADERA_AIF1_RATE_SHIFT);
+ break;
+ case MADERA_CLK_ASYNCCLK_1:
+ snd_soc_update_bits(codec, MADERA_ASYNC_SAMPLE_RATE_1,
+ MADERA_ASYNC_SAMPLE_RATE_1_MASK, sr_val);
+ if (base)
+ snd_soc_update_bits(codec, base + MADERA_AIF_RATE_CTRL,
+ MADERA_AIF1_RATE_MASK,
+ 8 << MADERA_AIF1_RATE_SHIFT);
+ break;
+ case MADERA_CLK_ASYNCCLK_2:
+ snd_soc_update_bits(codec, MADERA_ASYNC_SAMPLE_RATE_2,
+ MADERA_ASYNC_SAMPLE_RATE_2_MASK, sr_val);
+ if (base)
+ snd_soc_update_bits(codec, base + MADERA_AIF_RATE_CTRL,
+ MADERA_AIF1_RATE_MASK,
+ 9 << MADERA_AIF1_RATE_SHIFT);
+ break;
+ default:
+ madera_aif_err(dai, "Invalid clock %d\n", dai_priv->clk);
+ ret = -EINVAL;
+ }
+
+out:
+ if (change_rate_domain) {
+ madera_spin_sysclk(priv);
+ mutex_unlock(&priv->rate_lock);
+ }
+
+ return ret;
+}
+
+static bool madera_aif_cfg_changed(struct snd_soc_codec *codec,
+ int base, int bclk, int lrclk, int frame)
+{
+ int val;
+
+ val = snd_soc_read(codec, base + MADERA_AIF_BCLK_CTRL);
+ if (bclk != (val & MADERA_AIF1_BCLK_FREQ_MASK))
+ return true;
+
+ val = snd_soc_read(codec, base + MADERA_AIF_RX_BCLK_RATE);
+ if (lrclk != (val & MADERA_AIF1RX_BCPF_MASK))
+ return true;
+
+ val = snd_soc_read(codec, base + MADERA_AIF_FRAME_CTRL_1);
+ if (frame != (val & (MADERA_AIF1TX_WL_MASK |
+ MADERA_AIF1TX_SLOT_LEN_MASK)))
+ return true;
+
+ return false;
+}
+
+static int madera_hw_params(struct snd_pcm_substream *substream,
+ struct snd_pcm_hw_params *params,
+ struct snd_soc_dai *dai)
+{
+ struct snd_soc_codec *codec = dai->codec;
+ struct madera_priv *priv = snd_soc_codec_get_drvdata(codec);
+ struct madera *madera = priv->madera;
+ int base = dai->driver->base;
+ const int *rates;
+ int i, ret, val;
+ unsigned int channels = params_channels(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;
+ bool reconfig;
+ unsigned int aif_tx_state = 0, aif_rx_state = 0;
+
+ if (params_rate(params) % 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 * params_rate(params);
+ 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 */
+ val = snd_soc_read(codec, base + MADERA_AIF_FORMAT);
+ 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] % params_rate(params) == 0) {
+ bclk = i;
+ break;
+ }
+ }
+
+ if (i == num_rates) {
+ madera_aif_err(dai, "Unsupported sample rate %dHz\n",
+ params_rate(params));
+ return -EINVAL;
+ }
+
+ lrclk = rates[bclk] / params_rate(params);
+
+ 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(codec, base, bclk, lrclk, frame);
+
+ if (reconfig) {
+ /* Save AIF TX/RX state */
+ aif_tx_state = snd_soc_read(codec,
+ base + MADERA_AIF_TX_ENABLES);
+ aif_rx_state = snd_soc_read(codec,
+ base + MADERA_AIF_RX_ENABLES);
+ /* 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_codec *codec = dai->codec;
+ struct snd_soc_dapm_context *dapm = snd_soc_codec_get_dapm(codec);
+ struct madera_priv *priv = snd_soc_codec_get_drvdata(codec);
+ 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(codec->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(codec->dev, "Can't change clock on active DAI %d\n",
+ dai->id);
+ return -EBUSY;
+ }
+
+ dev_dbg(codec->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_codec *codec = dai->codec;
+ int base = dai->driver->base;
+ unsigned int reg;
+ int ret;
+
+ if (tristate)
+ reg = MADERA_AIF1_TRI;
+ else
+ reg = 0;
+
+ ret = snd_soc_update_bits(codec, 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_codec *codec = dai->codec;
+ struct madera_priv *priv = snd_soc_codec_get_drvdata(codec);
+ 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_codec *codec = dai->codec;
+ struct madera_priv *priv = snd_soc_codec_get_drvdata(codec);
+ 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_reg_base;
+ bool change;
+
+ switch (madera->type) {
+ case CS47L35:
+ sync_reg_base = fll->base + CS47L35_FLL_SYNCHRONISER_OFFS;
+ break;
+ default:
+ sync_reg_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_reg_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_reg_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_reg_base = fll->base + CS47L35_FLL_SYNCHRONISER_OFFS;
+ break;
+ default:
+ sync_reg_base = fll->base + MADERA_FLL_SYNCHRONISER_OFFS;
+ break;
+ }
+
+ sync_enabled = madera_is_enabled_fll(fll, sync_reg_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_reg_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:
+ break;
+ default:
+ fll_change |=
+ madera_set_fll_phase_integrator(fll, &cfg,
+ have_sync);
+ break;
+ }
+ gain = cfg.gain;
+ 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_reg_base + MADERA_FLL_SYNCHRONISER_7_OFFS,
+ MADERA_FLL1_SYNC_DFSAT_MASK, 0);
+ else
+ regmap_update_bits(madera->regmap,
+ sync_reg_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_reg_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
+ *
+ * @codec: 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_codec *codec, int output, bool diff)
+{
+ 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 (diff)
+ val = MADERA_OUT1_MONO;
+ else
+ val = 0;
+
+ ret = snd_soc_update_bits(codec, 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_codec *codec = snd_soc_kcontrol_codec(kcontrol);
+ struct madera *madera = dev_get_drvdata(codec->dev->parent);
+ 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_codec *codec = snd_soc_kcontrol_codec(kcontrol);
+ struct madera *madera = dev_get_drvdata(codec->dev->parent);
+ __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_DESCRIPTION("ASoC Cirrus Logic Madera codec support");
+MODULE_AUTHOR("Charles Keepax <ckeepax@opensource.wolfsonmicro.com>");
+MODULE_AUTHOR("Richard Fitzgerald <rf@opensource.wolfsonmicro.com>");
+MODULE_LICENSE("GPL v2");
projects / GitHub / LineageOS / android_kernel_motorola_exynos9610.git / commitdiff