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madera.c
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// SPDX-License-Identifier: GPL-2.0-only
//
// Cirrus Logic Madera class codecs common support
//
// Copyright (C) 2015-2019 Cirrus Logic, Inc. and
// Cirrus Logic International Semiconductor Ltd.
//
#include <linux/delay.h>
#include <linux/gcd.h>
#include <linux/module.h>
#include <linux/pm_runtime.h>
#include <linux/slab.h>
#include <sound/pcm.h>
#include <sound/pcm_params.h>
#include <sound/tlv.h>
#include <linux/irqchip/irq-madera.h>
#include <linux/mfd/madera/core.h>
#include <linux/mfd/madera/registers.h>
#include <linux/mfd/madera/pdata.h>
#include <sound/madera-pdata.h>
#include <dt-bindings/sound/madera.h>
#include "madera.h"
#define MADERA_AIF_BCLK_CTRL 0x00
#define MADERA_AIF_TX_PIN_CTRL 0x01
#define MADERA_AIF_RX_PIN_CTRL 0x02
#define MADERA_AIF_RATE_CTRL 0x03
#define MADERA_AIF_FORMAT 0x04
#define MADERA_AIF_RX_BCLK_RATE 0x06
#define MADERA_AIF_FRAME_CTRL_1 0x07
#define MADERA_AIF_FRAME_CTRL_2 0x08
#define MADERA_AIF_FRAME_CTRL_3 0x09
#define MADERA_AIF_FRAME_CTRL_4 0x0A
#define MADERA_AIF_FRAME_CTRL_5 0x0B
#define MADERA_AIF_FRAME_CTRL_6 0x0C
#define MADERA_AIF_FRAME_CTRL_7 0x0D
#define MADERA_AIF_FRAME_CTRL_8 0x0E
#define MADERA_AIF_FRAME_CTRL_9 0x0F
#define MADERA_AIF_FRAME_CTRL_10 0x10
#define MADERA_AIF_FRAME_CTRL_11 0x11
#define MADERA_AIF_FRAME_CTRL_12 0x12
#define MADERA_AIF_FRAME_CTRL_13 0x13
#define MADERA_AIF_FRAME_CTRL_14 0x14
#define MADERA_AIF_FRAME_CTRL_15 0x15
#define MADERA_AIF_FRAME_CTRL_16 0x16
#define MADERA_AIF_FRAME_CTRL_17 0x17
#define MADERA_AIF_FRAME_CTRL_18 0x18
#define MADERA_AIF_TX_ENABLES 0x19
#define MADERA_AIF_RX_ENABLES 0x1A
#define MADERA_AIF_FORCE_WRITE 0x1B
#define MADERA_DSP_CONFIG_1_OFFS 0x00
#define MADERA_DSP_CONFIG_2_OFFS 0x02
#define MADERA_DSP_CLK_SEL_MASK 0x70000
#define MADERA_DSP_CLK_SEL_SHIFT 16
#define MADERA_DSP_RATE_MASK 0x7800
#define MADERA_DSP_RATE_SHIFT 11
#define MADERA_SYSCLK_6MHZ 0
#define MADERA_SYSCLK_12MHZ 1
#define MADERA_SYSCLK_24MHZ 2
#define MADERA_SYSCLK_49MHZ 3
#define MADERA_SYSCLK_98MHZ 4
#define MADERA_DSPCLK_9MHZ 0
#define MADERA_DSPCLK_18MHZ 1
#define MADERA_DSPCLK_36MHZ 2
#define MADERA_DSPCLK_73MHZ 3
#define MADERA_DSPCLK_147MHZ 4
#define MADERA_FLL_VCO_CORNER 141900000
#define MADERA_FLL_MAX_FREF 13500000
#define MADERA_FLL_MAX_N 1023
#define MADERA_FLL_MIN_FOUT 90000000
#define MADERA_FLL_MAX_FOUT 100000000
#define MADERA_FLL_MAX_FRATIO 16
#define MADERA_FLL_MAX_REFDIV 8
#define MADERA_FLL_OUTDIV 3
#define MADERA_FLL_VCO_MULT 3
#define MADERA_FLLAO_MAX_FREF 12288000
#define MADERA_FLLAO_MIN_N 4
#define MADERA_FLLAO_MAX_N 1023
#define MADERA_FLLAO_MAX_FBDIV 254
#define MADERA_FLLHJ_INT_MAX_N 1023
#define MADERA_FLLHJ_INT_MIN_N 1
#define MADERA_FLLHJ_FRAC_MAX_N 255
#define MADERA_FLLHJ_FRAC_MIN_N 4
#define MADERA_FLLHJ_LOW_THRESH 192000
#define MADERA_FLLHJ_MID_THRESH 1152000
#define MADERA_FLLHJ_MAX_THRESH 13000000
#define MADERA_FLLHJ_LOW_GAINS 0x23f0
#define MADERA_FLLHJ_MID_GAINS 0x22f2
#define MADERA_FLLHJ_HIGH_GAINS 0x21f0
#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_GAIN_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_FLL_CONTROL_10_OFFS 0xA
#define MADERA_FLL_CONTROL_11_OFFS 0xB
#define MADERA_FLL1_DIGITAL_TEST_1_OFFS 0xD
#define MADERA_FLLAO_CONTROL_1_OFFS 0x1
#define MADERA_FLLAO_CONTROL_2_OFFS 0x2
#define MADERA_FLLAO_CONTROL_3_OFFS 0x3
#define MADERA_FLLAO_CONTROL_4_OFFS 0x4
#define MADERA_FLLAO_CONTROL_5_OFFS 0x5
#define MADERA_FLLAO_CONTROL_6_OFFS 0x6
#define MADERA_FLLAO_CONTROL_7_OFFS 0x8
#define MADERA_FLLAO_CONTROL_8_OFFS 0xA
#define MADERA_FLLAO_CONTROL_9_OFFS 0xB
#define MADERA_FLLAO_CONTROL_10_OFFS 0xC
#define MADERA_FLLAO_CONTROL_11_OFFS 0xD
#define MADERA_FMT_DSP_MODE_A 0
#define MADERA_FMT_DSP_MODE_B 1
#define MADERA_FMT_I2S_MODE 2
#define MADERA_FMT_LEFT_JUSTIFIED_MODE 3
#define madera_fll_err(_fll, fmt, ...) \
dev_err(_fll->madera->dev, "FLL%d: " fmt, _fll->id, ##__VA_ARGS__)
#define madera_fll_warn(_fll, fmt, ...) \
dev_warn(_fll->madera->dev, "FLL%d: " fmt, _fll->id, ##__VA_ARGS__)
#define madera_fll_dbg(_fll, fmt, ...) \
dev_dbg(_fll->madera->dev, "FLL%d: " fmt, _fll->id, ##__VA_ARGS__)
#define madera_aif_err(_dai, fmt, ...) \
dev_err(_dai->dev, "AIF%d: " fmt, _dai->id, ##__VA_ARGS__)
#define madera_aif_warn(_dai, fmt, ...) \
dev_warn(_dai->dev, "AIF%d: " fmt, _dai->id, ##__VA_ARGS__)
#define madera_aif_dbg(_dai, fmt, ...) \
dev_dbg(_dai->dev, "AIF%d: " fmt, _dai->id, ##__VA_ARGS__)
static const int madera_dsp_bus_error_irqs[MADERA_MAX_ADSP] = {
MADERA_IRQ_DSP1_BUS_ERR,
MADERA_IRQ_DSP2_BUS_ERR,
MADERA_IRQ_DSP3_BUS_ERR,
MADERA_IRQ_DSP4_BUS_ERR,
MADERA_IRQ_DSP5_BUS_ERR,
MADERA_IRQ_DSP6_BUS_ERR,
MADERA_IRQ_DSP7_BUS_ERR,
};
int madera_clk_ev(struct snd_soc_dapm_widget *w,
struct snd_kcontrol *kcontrol, int event)
{
struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm);
struct madera_priv *priv = snd_soc_component_get_drvdata(component);
struct madera *madera = priv->madera;
unsigned int val;
int clk_idx;
int ret;
ret = regmap_read(madera->regmap, w->reg, &val);
if (ret) {
dev_err(madera->dev, "Failed to check clock source: %d\n", ret);
return ret;
}
switch ((val & MADERA_SYSCLK_SRC_MASK) >> MADERA_SYSCLK_SRC_SHIFT) {
case MADERA_CLK_SRC_MCLK1:
clk_idx = MADERA_MCLK1;
break;
case MADERA_CLK_SRC_MCLK2:
clk_idx = MADERA_MCLK2;
break;
case MADERA_CLK_SRC_MCLK3:
clk_idx = MADERA_MCLK3;
break;
default:
return 0;
}
switch (event) {
case SND_SOC_DAPM_PRE_PMU:
return clk_prepare_enable(madera->mclk[clk_idx].clk);
case SND_SOC_DAPM_POST_PMD:
clk_disable_unprepare(madera->mclk[clk_idx].clk);
return 0;
default:
return 0;
}
}
EXPORT_SYMBOL_GPL(madera_clk_ev);
static void madera_spin_sysclk(struct madera_priv *priv)
{
struct madera *madera = priv->madera;
unsigned int val;
int ret, i;
/* Skip this if the chip is down */
if (pm_runtime_suspended(madera->dev))
return;
/*
* Just read a register a few times to ensure the internal
* oscillator sends out a few clocks.
*/
for (i = 0; i < 4; i++) {
ret = regmap_read(madera->regmap, MADERA_SOFTWARE_RESET, &val);
if (ret)
dev_err(madera->dev,
"Failed to read sysclk spin %d: %d\n", i, ret);
}
udelay(300);
}
int madera_sysclk_ev(struct snd_soc_dapm_widget *w,
struct snd_kcontrol *kcontrol, int event)
{
struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm);
struct madera_priv *priv = snd_soc_component_get_drvdata(component);
switch (event) {
case SND_SOC_DAPM_POST_PMU:
case SND_SOC_DAPM_PRE_PMD:
madera_spin_sysclk(priv);
break;
default:
break;
}
return madera_clk_ev(w, kcontrol, event);
}
EXPORT_SYMBOL_GPL(madera_sysclk_ev);
static int madera_check_speaker_overheat(struct madera *madera,
bool *warn, bool *shutdown)
{
unsigned int val;
int ret;
ret = regmap_read(madera->regmap, MADERA_IRQ1_RAW_STATUS_15, &val);
if (ret) {
dev_err(madera->dev, "Failed to read thermal status: %d\n",
ret);
return ret;
}
*warn = val & MADERA_SPK_OVERHEAT_WARN_STS1;
*shutdown = val & MADERA_SPK_OVERHEAT_STS1;
return 0;
}
int madera_spk_ev(struct snd_soc_dapm_widget *w,
struct snd_kcontrol *kcontrol, int event)
{
struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm);
struct madera_priv *priv = snd_soc_component_get_drvdata(component);
struct madera *madera = priv->madera;
bool warn, shutdown;
int ret;
switch (event) {
case SND_SOC_DAPM_POST_PMU:
ret = madera_check_speaker_overheat(madera, &warn, &shutdown);
if (ret)
return ret;
if (shutdown) {
dev_crit(madera->dev,
"Speaker not enabled due to temperature\n");
return -EBUSY;
}
regmap_update_bits(madera->regmap, MADERA_OUTPUT_ENABLES_1,
1 << w->shift, 1 << w->shift);
break;
case SND_SOC_DAPM_PRE_PMD:
regmap_update_bits(madera->regmap, MADERA_OUTPUT_ENABLES_1,
1 << w->shift, 0);
break;
default:
break;
}
return 0;
}
EXPORT_SYMBOL_GPL(madera_spk_ev);
static irqreturn_t madera_thermal_warn(int irq, void *data)
{
struct madera *madera = data;
bool warn, shutdown;
int ret;
ret = madera_check_speaker_overheat(madera, &warn, &shutdown);
if (ret || shutdown) { /* for safety attempt to shutdown on error */
dev_crit(madera->dev, "Thermal shutdown\n");
ret = regmap_update_bits(madera->regmap,
MADERA_OUTPUT_ENABLES_1,
MADERA_OUT4L_ENA |
MADERA_OUT4R_ENA, 0);
if (ret != 0)
dev_crit(madera->dev,
"Failed to disable speaker outputs: %d\n",
ret);
} else if (warn) {
dev_alert(madera->dev, "Thermal warning\n");
} else {
dev_info(madera->dev, "Spurious thermal warning\n");
return IRQ_NONE;
}
return IRQ_HANDLED;
}
int madera_init_overheat(struct madera_priv *priv)
{
struct madera *madera = priv->madera;
struct device *dev = madera->dev;
int ret;
ret = madera_request_irq(madera, MADERA_IRQ_SPK_OVERHEAT_WARN,
"Thermal warning", madera_thermal_warn,
madera);
if (ret)
dev_err(dev, "Failed to get thermal warning IRQ: %d\n", ret);
ret = madera_request_irq(madera, MADERA_IRQ_SPK_OVERHEAT,
"Thermal shutdown", madera_thermal_warn,
madera);
if (ret)
dev_err(dev, "Failed to get thermal shutdown IRQ: %d\n", ret);
return 0;
}
EXPORT_SYMBOL_GPL(madera_init_overheat);
int madera_free_overheat(struct madera_priv *priv)
{
struct madera *madera = priv->madera;
madera_free_irq(madera, MADERA_IRQ_SPK_OVERHEAT_WARN, madera);
madera_free_irq(madera, MADERA_IRQ_SPK_OVERHEAT, madera);
return 0;
}
EXPORT_SYMBOL_GPL(madera_free_overheat);
static int madera_get_variable_u32_array(struct device *dev,
const char *propname,
u32 *dest, int n_max,
int multiple)
{
int n, ret;
n = device_property_count_u32(dev, propname);
if (n < 0) {
if (n == -EINVAL)
return 0; /* missing, ignore */
dev_warn(dev, "%s malformed (%d)\n", propname, n);
return n;
} else if ((n % multiple) != 0) {
dev_warn(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(dev, propname, dest, n);
if (ret < 0)
return ret;
return n;
}
static void madera_prop_get_inmode(struct madera_priv *priv)
{
struct madera *madera = priv->madera;
struct madera_codec_pdata *pdata = &madera->pdata.codec;
u32 tmp[MADERA_MAX_INPUT * MADERA_MAX_MUXED_CHANNELS];
int n, i, in_idx, ch_idx;
BUILD_BUG_ON(ARRAY_SIZE(pdata->inmode) != MADERA_MAX_INPUT);
BUILD_BUG_ON(ARRAY_SIZE(pdata->inmode[0]) != MADERA_MAX_MUXED_CHANNELS);
n = madera_get_variable_u32_array(madera->dev, "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) {
pdata->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, n;
madera_prop_get_inmode(priv);
n = madera_get_variable_u32_array(madera->dev, "cirrus,out-mono",
out_mono, ARRAY_SIZE(out_mono), 1);
if (n > 0)
for (i = 0; i < n; ++i)
pdata->out_mono[i] = !!out_mono[i];
madera_get_variable_u32_array(madera->dev,
"cirrus,max-channels-clocked",
pdata->max_channels_clocked,
ARRAY_SIZE(pdata->max_channels_clocked),
1);
madera_get_variable_u32_array(madera->dev, "cirrus,pdm-fmt",
pdata->pdm_fmt,
ARRAY_SIZE(pdata->pdm_fmt), 1);
madera_get_variable_u32_array(madera->dev, "cirrus,pdm-mute",
pdata->pdm_mute,
ARRAY_SIZE(pdata->pdm_mute), 1);
madera_get_variable_u32_array(madera->dev, "cirrus,dmic-ref",
pdata->dmic_ref,
ARRAY_SIZE(pdata->dmic_ref), 1);
}
int madera_core_init(struct madera_priv *priv)
{
int i;
/* trap undersized array initializers */
BUILD_BUG_ON(!madera_mixer_texts[MADERA_NUM_MIXER_INPUTS - 1]);
BUILD_BUG_ON(!madera_mixer_values[MADERA_NUM_MIXER_INPUTS - 1]);
if (!dev_get_platdata(priv->madera->dev))
madera_prop_get_pdata(priv);
mutex_init(&priv->rate_lock);
for (i = 0; i < MADERA_MAX_HP_OUTPUT; i++)
priv->madera->out_clamp[i] = true;
return 0;
}
EXPORT_SYMBOL_GPL(madera_core_init);
int madera_core_free(struct madera_priv *priv)
{
mutex_destroy(&priv->rate_lock);
return 0;
}
EXPORT_SYMBOL_GPL(madera_core_free);
static void madera_debug_dump_domain_groups(const struct madera_priv *priv)
{
struct madera *madera = priv->madera;
int i;
for (i = 0; i < ARRAY_SIZE(priv->domain_group_ref); ++i)
dev_dbg(madera->dev, "domain_grp_ref[%d]=%d\n", i,
priv->domain_group_ref[i]);
}
int madera_domain_clk_ev(struct snd_soc_dapm_widget *w,
struct snd_kcontrol *kcontrol,
int event)
{
struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm);
struct madera_priv *priv = snd_soc_component_get_drvdata(component);
int dom_grp = w->shift;
if (dom_grp >= ARRAY_SIZE(priv->domain_group_ref)) {
WARN(true, "%s dom_grp exceeds array size\n", __func__);
return -EINVAL;
}
/*
* We can't rely on the DAPM mutex for locking because we need a lock
* that can safely be called in hw_params
*/
mutex_lock(&priv->rate_lock);
switch (event) {
case SND_SOC_DAPM_PRE_PMU:
dev_dbg(priv->madera->dev, "Inc ref on domain group %d\n",
dom_grp);
++priv->domain_group_ref[dom_grp];
break;
case SND_SOC_DAPM_POST_PMD:
dev_dbg(priv->madera->dev, "Dec ref on domain group %d\n",
dom_grp);
--priv->domain_group_ref[dom_grp];
break;
default:
break;
}
madera_debug_dump_domain_groups(priv);
mutex_unlock(&priv->rate_lock);
return 0;
}
EXPORT_SYMBOL_GPL(madera_domain_clk_ev);
int madera_out1_demux_put(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
struct snd_soc_component *component =
snd_soc_dapm_kcontrol_component(kcontrol);
struct snd_soc_dapm_context *dapm =
snd_soc_dapm_kcontrol_dapm(kcontrol);
struct madera_priv *priv = snd_soc_component_get_drvdata(component);
struct madera *madera = priv->madera;
struct soc_enum *e = (struct soc_enum *)kcontrol->private_value;
unsigned int ep_sel, mux, change;
bool out_mono;
int ret;
if (ucontrol->value.enumerated.item[0] > e->items - 1)
return -EINVAL;
mux = ucontrol->value.enumerated.item[0];
snd_soc_dapm_mutex_lock(dapm);
ep_sel = mux << MADERA_EP_SEL_SHIFT;
change = snd_soc_component_test_bits(component, MADERA_OUTPUT_ENABLES_1,
MADERA_EP_SEL_MASK,
ep_sel);
if (!change)
goto end;
/* EP_SEL should not be modified while HP or EP driver is enabled */
ret = regmap_update_bits(madera->regmap, MADERA_OUTPUT_ENABLES_1,
MADERA_OUT1L_ENA | MADERA_OUT1R_ENA, 0);
if (ret)
dev_warn(madera->dev, "Failed to disable outputs: %d\n", ret);
usleep_range(2000, 3000); /* wait for wseq to complete */
/* change demux setting */
ret = 0;
if (madera->out_clamp[0])
ret = regmap_update_bits(madera->regmap,
MADERA_OUTPUT_ENABLES_1,
MADERA_EP_SEL_MASK, ep_sel);
if (ret) {
dev_err(madera->dev, "Failed to set OUT1 demux: %d\n", ret);
} else {
/* apply correct setting for mono mode */
if (!ep_sel && !madera->pdata.codec.out_mono[0])
out_mono = false; /* stereo HP */
else
out_mono = true; /* EP or mono HP */
ret = madera_set_output_mode(component, 1, out_mono);
if (ret)
dev_warn(madera->dev,
"Failed to set output mode: %d\n", ret);
}
/*
* if HPDET has disabled the clamp while switching to HPOUT
* OUT1 should remain disabled
*/
if (ep_sel ||
(madera->out_clamp[0] && !madera->out_shorted[0])) {
ret = regmap_update_bits(madera->regmap,
MADERA_OUTPUT_ENABLES_1,
MADERA_OUT1L_ENA | MADERA_OUT1R_ENA,
madera->hp_ena);
if (ret)
dev_warn(madera->dev,
"Failed to restore earpiece outputs: %d\n",
ret);
else if (madera->hp_ena)
msleep(34); /* wait for enable wseq */
else
usleep_range(2000, 3000); /* wait for disable wseq */
}
end:
snd_soc_dapm_mutex_unlock(dapm);
return snd_soc_dapm_mux_update_power(dapm, kcontrol, mux, e, NULL);
}
EXPORT_SYMBOL_GPL(madera_out1_demux_put);
int madera_out1_demux_get(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
struct snd_soc_component *component =
snd_soc_dapm_kcontrol_component(kcontrol);
unsigned int val;
val = snd_soc_component_read(component, MADERA_OUTPUT_ENABLES_1);
val &= MADERA_EP_SEL_MASK;
val >>= MADERA_EP_SEL_SHIFT;
ucontrol->value.enumerated.item[0] = val;
return 0;
}
EXPORT_SYMBOL_GPL(madera_out1_demux_get);
static int madera_inmux_put(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
struct snd_soc_component *component =
snd_soc_dapm_kcontrol_component(kcontrol);
struct snd_soc_dapm_context *dapm =
snd_soc_dapm_kcontrol_dapm(kcontrol);
struct madera_priv *priv = snd_soc_component_get_drvdata(component);
struct madera *madera = priv->madera;
struct regmap *regmap = madera->regmap;
struct soc_enum *e = (struct soc_enum *)kcontrol->private_value;
unsigned int mux, val, mask;
unsigned int inmode;
bool changed;
int ret;
mux = ucontrol->value.enumerated.item[0];
if (mux > 1)
return -EINVAL;
val = mux << e->shift_l;
mask = (e->mask << e->shift_l) | MADERA_IN1L_SRC_SE_MASK;
switch (e->reg) {
case MADERA_ADC_DIGITAL_VOLUME_1L:
inmode = madera->pdata.codec.inmode[0][2 * mux];
break;
case MADERA_ADC_DIGITAL_VOLUME_1R:
inmode = madera->pdata.codec.inmode[0][1 + (2 * mux)];
break;
case MADERA_ADC_DIGITAL_VOLUME_2L:
inmode = madera->pdata.codec.inmode[1][2 * mux];
break;
case MADERA_ADC_DIGITAL_VOLUME_2R:
inmode = madera->pdata.codec.inmode[1][1 + (2 * mux)];
break;
default:
return -EINVAL;
}
if (inmode & MADERA_INMODE_SE)
val |= 1 << MADERA_IN1L_SRC_SE_SHIFT;
dev_dbg(madera->dev, "mux=%u reg=0x%x inmode=0x%x mask=0x%x val=0x%x\n",
mux, e->reg, inmode, mask, val);
ret = regmap_update_bits_check(regmap, e->reg, mask, val, &changed);
if (ret < 0)
return ret;
if (changed)
return snd_soc_dapm_mux_update_power(dapm, kcontrol,
mux, e, NULL);
else
return 0;
}
static const char * const madera_inmux_texts[] = {
"A",
"B",
};
static SOC_ENUM_SINGLE_DECL(madera_in1muxl_enum,
MADERA_ADC_DIGITAL_VOLUME_1L,
MADERA_IN1L_SRC_SHIFT,
madera_inmux_texts);
static SOC_ENUM_SINGLE_DECL(madera_in1muxr_enum,
MADERA_ADC_DIGITAL_VOLUME_1R,
MADERA_IN1R_SRC_SHIFT,
madera_inmux_texts);
static SOC_ENUM_SINGLE_DECL(madera_in2muxl_enum,
MADERA_ADC_DIGITAL_VOLUME_2L,
MADERA_IN2L_SRC_SHIFT,
madera_inmux_texts);
static SOC_ENUM_SINGLE_DECL(madera_in2muxr_enum,
MADERA_ADC_DIGITAL_VOLUME_2R,
MADERA_IN2R_SRC_SHIFT,
madera_inmux_texts);
const struct snd_kcontrol_new madera_inmux[] = {
SOC_DAPM_ENUM_EXT("IN1L Mux", madera_in1muxl_enum,
snd_soc_dapm_get_enum_double, madera_inmux_put),
SOC_DAPM_ENUM_EXT("IN1R Mux", madera_in1muxr_enum,
snd_soc_dapm_get_enum_double, madera_inmux_put),
SOC_DAPM_ENUM_EXT("IN2L Mux", madera_in2muxl_enum,
snd_soc_dapm_get_enum_double, madera_inmux_put),
SOC_DAPM_ENUM_EXT("IN2R Mux", madera_in2muxr_enum,
snd_soc_dapm_get_enum_double, madera_inmux_put),
};
EXPORT_SYMBOL_GPL(madera_inmux);
static const char * const madera_dmode_texts[] = {
"Analog",
"Digital",
};
static SOC_ENUM_SINGLE_DECL(madera_in1dmode_enum,
MADERA_IN1L_CONTROL,
MADERA_IN1_MODE_SHIFT,
madera_dmode_texts);
static SOC_ENUM_SINGLE_DECL(madera_in2dmode_enum,
MADERA_IN2L_CONTROL,
MADERA_IN2_MODE_SHIFT,
madera_dmode_texts);
static SOC_ENUM_SINGLE_DECL(madera_in3dmode_enum,
MADERA_IN3L_CONTROL,
MADERA_IN3_MODE_SHIFT,
madera_dmode_texts);
const struct snd_kcontrol_new madera_inmode[] = {
SOC_DAPM_ENUM("IN1 Mode", madera_in1dmode_enum),
SOC_DAPM_ENUM("IN2 Mode", madera_in2dmode_enum),
SOC_DAPM_ENUM("IN3 Mode", madera_in3dmode_enum),
};
EXPORT_SYMBOL_GPL(madera_inmode);
static bool madera_can_change_grp_rate(const struct madera_priv *priv,
unsigned int reg)
{
int count;
switch (reg) {
case MADERA_FX_CTRL1:
count = priv->domain_group_ref[MADERA_DOM_GRP_FX];
break;
case MADERA_ASRC1_RATE1:
case MADERA_ASRC1_RATE2:
count = priv->domain_group_ref[MADERA_DOM_GRP_ASRC1];
break;
case MADERA_ASRC2_RATE1:
case MADERA_ASRC2_RATE2:
count = priv->domain_group_ref[MADERA_DOM_GRP_ASRC2];
break;
case MADERA_ISRC_1_CTRL_1:
case MADERA_ISRC_1_CTRL_2:
count = priv->domain_group_ref[MADERA_DOM_GRP_ISRC1];
break;
case MADERA_ISRC_2_CTRL_1:
case MADERA_ISRC_2_CTRL_2:
count = priv->domain_group_ref[MADERA_DOM_GRP_ISRC2];
break;
case MADERA_ISRC_3_CTRL_1:
case MADERA_ISRC_3_CTRL_2:
count = priv->domain_group_ref[MADERA_DOM_GRP_ISRC3];
break;
case MADERA_ISRC_4_CTRL_1:
case MADERA_ISRC_4_CTRL_2:
count = priv->domain_group_ref[MADERA_DOM_GRP_ISRC4];
break;
case MADERA_OUTPUT_RATE_1:
count = priv->domain_group_ref[MADERA_DOM_GRP_OUT];
break;
case MADERA_SPD1_TX_CONTROL:
count = priv->domain_group_ref[MADERA_DOM_GRP_SPD];
break;
case MADERA_DSP1_CONFIG_1:
case MADERA_DSP1_CONFIG_2:
count = priv->domain_group_ref[MADERA_DOM_GRP_DSP1];
break;
case MADERA_DSP2_CONFIG_1:
case MADERA_DSP2_CONFIG_2:
count = priv->domain_group_ref[MADERA_DOM_GRP_DSP2];
break;
case MADERA_DSP3_CONFIG_1:
case MADERA_DSP3_CONFIG_2:
count = priv->domain_group_ref[MADERA_DOM_GRP_DSP3];
break;
case MADERA_DSP4_CONFIG_1:
case MADERA_DSP4_CONFIG_2:
count = priv->domain_group_ref[MADERA_DOM_GRP_DSP4];
break;
case MADERA_DSP5_CONFIG_1:
case MADERA_DSP5_CONFIG_2:
count = priv->domain_group_ref[MADERA_DOM_GRP_DSP5];
break;
case MADERA_DSP6_CONFIG_1:
case MADERA_DSP6_CONFIG_2:
count = priv->domain_group_ref[MADERA_DOM_GRP_DSP6];
break;
case MADERA_DSP7_CONFIG_1:
case MADERA_DSP7_CONFIG_2:
count = priv->domain_group_ref[MADERA_DOM_GRP_DSP7];
break;
case MADERA_AIF1_RATE_CTRL:
count = priv->domain_group_ref[MADERA_DOM_GRP_AIF1];
break;
case MADERA_AIF2_RATE_CTRL:
count = priv->domain_group_ref[MADERA_DOM_GRP_AIF2];
break;
case MADERA_AIF3_RATE_CTRL:
count = priv->domain_group_ref[MADERA_DOM_GRP_AIF3];
break;
case MADERA_AIF4_RATE_CTRL:
count = priv->domain_group_ref[MADERA_DOM_GRP_AIF4];
break;
case MADERA_SLIMBUS_RATES_1:
case MADERA_SLIMBUS_RATES_2:
case MADERA_SLIMBUS_RATES_3:
case MADERA_SLIMBUS_RATES_4:
case MADERA_SLIMBUS_RATES_5:
case MADERA_SLIMBUS_RATES_6:
case MADERA_SLIMBUS_RATES_7:
case MADERA_SLIMBUS_RATES_8:
count = priv->domain_group_ref[MADERA_DOM_GRP_SLIMBUS];
break;
case MADERA_PWM_DRIVE_1:
count = priv->domain_group_ref[MADERA_DOM_GRP_PWM];
break;
default:
return false;
}
dev_dbg(priv->madera->dev, "Rate reg 0x%x group ref %d\n", reg, count);
if (count)
return false;
else
return true;
}
static int madera_adsp_rate_get(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
struct snd_soc_component *component =
snd_soc_kcontrol_component(kcontrol);
struct madera_priv *priv = snd_soc_component_get_drvdata(component);
struct soc_enum *e = (struct soc_enum *)kcontrol->private_value;
unsigned int cached_rate;
const int adsp_num = e->shift_l;
int item;
mutex_lock(&priv->rate_lock);
cached_rate = priv->adsp_rate_cache[adsp_num];
mutex_unlock(&priv->rate_lock);
item = snd_soc_enum_val_to_item(e, cached_rate);
ucontrol->value.enumerated.item[0] = item;
return 0;
}
static int madera_adsp_rate_put(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
struct snd_soc_component *component =
snd_soc_kcontrol_component(kcontrol);
struct madera_priv *priv = snd_soc_component_get_drvdata(component);
struct soc_enum *e = (struct soc_enum *)kcontrol->private_value;
const int adsp_num = e->shift_l;
const unsigned int item = ucontrol->value.enumerated.item[0];
int ret;
if (item >= e->items)
return -EINVAL;
/*
* We don't directly write the rate register here but we want to
* maintain consistent behaviour that rate domains cannot be changed
* while in use since this is a hardware requirement
*/
mutex_lock(&priv->rate_lock);
if (!madera_can_change_grp_rate(priv, priv->adsp[adsp_num].base)) {
dev_warn(priv->madera->dev,
"Cannot change '%s' while in use by active audio paths\n",
kcontrol->id.name);
ret = -EBUSY;
} else {
/* Volatile register so defer until the codec is powered up */
priv->adsp_rate_cache[adsp_num] = e->values[item];
ret = 0;
}
mutex_unlock(&priv->rate_lock);
return ret;
}
static const struct soc_enum madera_adsp_rate_enum[] = {
SOC_VALUE_ENUM_SINGLE(SND_SOC_NOPM, 0, 0xf, MADERA_RATE_ENUM_SIZE,
madera_rate_text, madera_rate_val),
SOC_VALUE_ENUM_SINGLE(SND_SOC_NOPM, 1, 0xf, MADERA_RATE_ENUM_SIZE,
madera_rate_text, madera_rate_val),
SOC_VALUE_ENUM_SINGLE(SND_SOC_NOPM, 2, 0xf, MADERA_RATE_ENUM_SIZE,
madera_rate_text, madera_rate_val),
SOC_VALUE_ENUM_SINGLE(SND_SOC_NOPM, 3, 0xf, MADERA_RATE_ENUM_SIZE,
madera_rate_text, madera_rate_val),
SOC_VALUE_ENUM_SINGLE(SND_SOC_NOPM, 4, 0xf, MADERA_RATE_ENUM_SIZE,
madera_rate_text, madera_rate_val),
SOC_VALUE_ENUM_SINGLE(SND_SOC_NOPM, 5, 0xf, MADERA_RATE_ENUM_SIZE,
madera_rate_text, madera_rate_val),
SOC_VALUE_ENUM_SINGLE(SND_SOC_NOPM, 6, 0xf, MADERA_RATE_ENUM_SIZE,
madera_rate_text, madera_rate_val),
};
const struct snd_kcontrol_new madera_adsp_rate_controls[] = {
SOC_ENUM_EXT("DSP1 Rate", madera_adsp_rate_enum[0],
madera_adsp_rate_get, madera_adsp_rate_put),
SOC_ENUM_EXT("DSP2 Rate", madera_adsp_rate_enum[1],
madera_adsp_rate_get, madera_adsp_rate_put),
SOC_ENUM_EXT("DSP3 Rate", madera_adsp_rate_enum[2],
madera_adsp_rate_get, madera_adsp_rate_put),
SOC_ENUM_EXT("DSP4 Rate", madera_adsp_rate_enum[3],
madera_adsp_rate_get, madera_adsp_rate_put),
SOC_ENUM_EXT("DSP5 Rate", madera_adsp_rate_enum[4],
madera_adsp_rate_get, madera_adsp_rate_put),
SOC_ENUM_EXT("DSP6 Rate", madera_adsp_rate_enum[5],
madera_adsp_rate_get, madera_adsp_rate_put),
SOC_ENUM_EXT("DSP7 Rate", madera_adsp_rate_enum[6],
madera_adsp_rate_get, madera_adsp_rate_put),
};
EXPORT_SYMBOL_GPL(madera_adsp_rate_controls);
static int madera_write_adsp_clk_setting(struct madera_priv *priv,
struct wm_adsp *dsp,
unsigned int freq)
{
unsigned int val;
unsigned int mask = MADERA_DSP_RATE_MASK;
int ret;
val = priv->adsp_rate_cache[dsp->num - 1] << MADERA_DSP_RATE_SHIFT;
switch (priv->madera->type) {
case CS47L35:
case CS47L85:
case WM1840:
/* use legacy frequency registers */
mask |= MADERA_DSP_CLK_SEL_MASK;
val |= (freq << MADERA_DSP_CLK_SEL_SHIFT);
break;
default:
/* Configure exact dsp frequency */
dev_dbg(priv->madera->dev, "Set DSP frequency to 0x%x\n", freq);
ret = regmap_write(dsp->regmap,
dsp->base + MADERA_DSP_CONFIG_2_OFFS, freq);
if (ret)
goto err;
break;
}
ret = regmap_update_bits(dsp->regmap,
dsp->base + MADERA_DSP_CONFIG_1_OFFS,
mask, val);
if (ret)
goto err;
dev_dbg(priv->madera->dev, "Set DSP clocking to 0x%x\n", val);
return 0;
err:
dev_err(dsp->dev, "Failed to set DSP%d clock: %d\n", dsp->num, ret);