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ASoC: cs47l92: Add codec driver for Cirrus Logic CS47L92 

Adds the codec driver for the CS47L92 SmartCodec. This is a
multi-functional codec based on the Cirrus Logic Madera platform.

Signed-off-by: Stuart Henderson <stuarth@opensource.wolfsonmicro.com>
Signed-off-by: Charles Keepax <ckeepax@opensource.cirrus.com>
Link: https://lore.kernel.org/r/20190725163931.24964-3-ckeepax@opensource.cirrus.com
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Stuart Henderson 2019-07-25 17:39:31 +01:00 committed by Mark Brown
parent 9cba2d6a14
commit 6535e831b4
No known key found for this signature in database
GPG Key ID: 24D68B725D5487D0
5 changed files with 2478 additions and 9 deletions
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6
sound/soc/codecs/Kconfig
View File

@ -75,6 +75,7 @@ config SND_SOC_ALL_CODECS
select SND_SOC_CS47L35 if MFD_CS47L35
select SND_SOC_CS47L85 if MFD_CS47L85
select SND_SOC_CS47L90 if MFD_CS47L90
select SND_SOC_CS47L92 if MFD_CS47L92
select SND_SOC_CS53L30 if I2C
select SND_SOC_CX20442 if TTY
select SND_SOC_CX2072X if I2C
@ -597,6 +598,9 @@ config SND_SOC_CS47L85
config SND_SOC_CS47L90
tristate
config SND_SOC_CS47L92
tristate
# Cirrus Logic Quad-Channel ADC
config SND_SOC_CS53L30
tristate "Cirrus Logic CS53L30 CODEC"
@ -730,10 +734,12 @@ config SND_SOC_MADERA
default y if SND_SOC_CS47L35=y
default y if SND_SOC_CS47L85=y
default y if SND_SOC_CS47L90=y
default y if SND_SOC_CS47L92=y
default m if SND_SOC_CS47L15=m
default m if SND_SOC_CS47L35=m
default m if SND_SOC_CS47L85=m
default m if SND_SOC_CS47L90=m
default m if SND_SOC_CS47L92=m
config SND_SOC_MAX98088
tristate "Maxim MAX98088/9 Low-Power, Stereo Audio Codec"

2
sound/soc/codecs/Makefile
View File

@ -69,6 +69,7 @@ snd-soc-cs47l24-objs := cs47l24.o
snd-soc-cs47l35-objs := cs47l35.o
snd-soc-cs47l85-objs := cs47l85.o
snd-soc-cs47l90-objs := cs47l90.o
snd-soc-cs47l92-objs := cs47l92.o
snd-soc-cs53l30-objs := cs53l30.o
snd-soc-cx20442-objs := cx20442.o
snd-soc-cx2072x-objs := cx2072x.o
@ -351,6 +352,7 @@ obj-$(CONFIG_SND_SOC_CS47L15) += snd-soc-cs47l15.o
obj-$(CONFIG_SND_SOC_CS47L35) += snd-soc-cs47l35.o
obj-$(CONFIG_SND_SOC_CS47L85) += snd-soc-cs47l85.o
obj-$(CONFIG_SND_SOC_CS47L90) += snd-soc-cs47l90.o
obj-$(CONFIG_SND_SOC_CS47L92) += snd-soc-cs47l92.o
obj-$(CONFIG_SND_SOC_CS53L30) += snd-soc-cs53l30.o
obj-$(CONFIG_SND_SOC_CX20442) += snd-soc-cx20442.o
obj-$(CONFIG_SND_SOC_CX2072X) += snd-soc-cx2072x.o

2039
sound/soc/codecs/cs47l92.c Normal file
View File

File diff suppressed because it is too large Load Diff

412
sound/soc/codecs/madera.c
View File

@ -87,6 +87,16 @@
#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
@ -96,6 +106,7 @@
#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
@ -107,6 +118,9 @@
#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
@ -1871,6 +1885,18 @@ const struct soc_enum madera_asrc1_rate[] = {
};
EXPORT_SYMBOL_GPL(madera_asrc1_rate);
const struct soc_enum madera_asrc1_bidir_rate[] = {
SOC_VALUE_ENUM_SINGLE(MADERA_ASRC1_RATE1,
MADERA_ASRC1_RATE1_SHIFT, 0xf,
MADERA_RATE_ENUM_SIZE,
madera_rate_text, madera_rate_val),
SOC_VALUE_ENUM_SINGLE(MADERA_ASRC1_RATE2,
MADERA_ASRC1_RATE2_SHIFT, 0xf,
MADERA_RATE_ENUM_SIZE,
madera_rate_text, madera_rate_val),
};
EXPORT_SYMBOL_GPL(madera_asrc1_bidir_rate);
const struct soc_enum madera_asrc2_rate[] = {
SOC_VALUE_ENUM_SINGLE(MADERA_ASRC2_RATE1,
MADERA_ASRC2_RATE1_SHIFT, 0xf,
@ -2250,6 +2276,9 @@ int madera_out_ev(struct snd_soc_dapm_widget *w,
switch (madera->type) {
case CS47L90:
case CS47L91:
case CS42L92:
case CS47L92:
case CS47L93:
out_up_delay = 6;
break;
default:
@ -2365,9 +2394,17 @@ int madera_hp_ev(struct snd_soc_dapm_widget *w,
madera->hp_ena &= ~mask;
madera->hp_ena |= val;
switch (madera->type) {
case CS42L92:
case CS47L92:
case CS47L93:
break;
default:
/* 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;
break;
}
/* Force off if HPDET has disabled the clamp for this output */
if (!ep_sel &&
@ -2543,6 +2580,58 @@ static int madera_get_dspclk_setting(struct madera *madera,
}
}
static int madera_set_outclk(struct snd_soc_component *component,
unsigned int source, unsigned int freq)
{
int div, div_inc, rate;
switch (source) {
case MADERA_OUTCLK_SYSCLK:
dev_dbg(component->dev, "Configured OUTCLK to SYSCLK\n");
snd_soc_component_update_bits(component, MADERA_OUTPUT_RATE_1,
MADERA_OUT_CLK_SRC_MASK, source);
return 0;
case MADERA_OUTCLK_ASYNCCLK:
dev_dbg(component->dev, "Configured OUTCLK to ASYNCCLK\n");
snd_soc_component_update_bits(component, MADERA_OUTPUT_RATE_1,
MADERA_OUT_CLK_SRC_MASK, source);
return 0;
case MADERA_OUTCLK_MCLK1:
case MADERA_OUTCLK_MCLK2:
case MADERA_OUTCLK_MCLK3:
break;
default:
return -EINVAL;
}
if (freq % 4000)
rate = 5644800;
else
rate = 6144000;
div = 1;
div_inc = 0;
while (div <= 8) {
if (freq / div == rate && !(freq % div)) {
dev_dbg(component->dev, "Configured %dHz OUTCLK\n", rate);
snd_soc_component_update_bits(component,
MADERA_OUTPUT_RATE_1,
MADERA_OUT_EXT_CLK_DIV_MASK |
MADERA_OUT_CLK_SRC_MASK,
(div_inc << MADERA_OUT_EXT_CLK_DIV_SHIFT) |
source);
return 0;
}
div_inc++;
div *= 2;
}
dev_err(component->dev,
"Unable to generate %dHz OUTCLK from %dHz MCLK\n",
rate, freq);
return -EINVAL;
}
int madera_set_sysclk(struct snd_soc_component *component, int clk_id,
int source, unsigned int freq, int dir)
{
@ -2579,6 +2668,8 @@ int madera_set_sysclk(struct snd_soc_component *component, int clk_id,
case MADERA_CLK_OPCLK:
case MADERA_CLK_ASYNC_OPCLK:
return madera_set_opclk(component, clk_id, freq);
case MADERA_CLK_OUTCLK:
return madera_set_outclk(component, source, freq);
default:
return -EINVAL;
}
@ -2792,6 +2883,10 @@ static const unsigned int madera_sr_vals[] = {
#define MADERA_192K_44K1_RATE_MASK 0x003E00
#define MADERA_192K_RATE_MASK (MADERA_192K_48K_RATE_MASK | \
MADERA_192K_44K1_RATE_MASK)
#define MADERA_384K_48K_RATE_MASK 0x0F007E
#define MADERA_384K_44K1_RATE_MASK 0x007E00
#define MADERA_384K_RATE_MASK (MADERA_384K_48K_RATE_MASK | \
MADERA_384K_44K1_RATE_MASK)
static const struct snd_pcm_hw_constraint_list madera_constraint = {
.count = ARRAY_SIZE(madera_sr_vals),
@ -2804,6 +2899,7 @@ static int madera_startup(struct snd_pcm_substream *substream,
struct snd_soc_component *component = dai->component;
struct madera_priv *priv = snd_soc_component_get_drvdata(component);
struct madera_dai_priv *dai_priv = &priv->dai[dai->id - 1];
struct madera *madera = priv->madera;
unsigned int base_rate;
if (!substream->runtime)
@ -2823,12 +2919,26 @@ static int madera_startup(struct snd_pcm_substream *substream,
return 0;
}
switch (madera->type) {
case CS42L92:
case CS47L92:
case CS47L93:
if (base_rate == 0)
dai_priv->constraint.mask = MADERA_384K_RATE_MASK;
else if (base_rate % 4000)
dai_priv->constraint.mask = MADERA_384K_44K1_RATE_MASK;
else
dai_priv->constraint.mask = MADERA_384K_48K_RATE_MASK;
break;
default:
if (base_rate == 0)
dai_priv->constraint.mask = MADERA_192K_RATE_MASK;
else if (base_rate % 4000)
dai_priv->constraint.mask = MADERA_192K_44K1_RATE_MASK;
else
dai_priv->constraint.mask = MADERA_192K_48K_RATE_MASK;
break;
}
return snd_pcm_hw_constraint_list(substream->runtime, 0,
SNDRV_PCM_HW_PARAM_RATE,
@ -4149,6 +4259,308 @@ int madera_set_fll_ao_refclk(struct madera_fll *fll, int source,
}
EXPORT_SYMBOL_GPL(madera_set_fll_ao_refclk);
static int madera_fllhj_disable(struct madera_fll *fll)
{
struct madera *madera = fll->madera;
bool change;
madera_fll_dbg(fll, "Disabling FLL\n");
/* Disable lockdet, but don't set ctrl_upd update but. This allows the
* lock status bit to clear as normal, but should the FLL be enabled
* again due to a control clock being required, the lock won't re-assert
* as the FLL config registers are automatically applied when the FLL
* enables.
*/
regmap_update_bits(madera->regmap,
fll->base + MADERA_FLL_CONTROL_11_OFFS,
MADERA_FLL1_LOCKDET_MASK, 0);
regmap_update_bits(madera->regmap,
fll->base + MADERA_FLL_CONTROL_1_OFFS,
MADERA_FLL1_HOLD_MASK, MADERA_FLL1_HOLD_MASK);
regmap_update_bits_check(madera->regmap,
fll->base + MADERA_FLL_CONTROL_1_OFFS,
MADERA_FLL1_ENA_MASK, 0, &change);
madera_wait_for_fll(fll, false);
/* ctrl_up gates the writes to all the fll's registers, setting it to 0
* here ensures that after a runtime suspend/resume cycle when one
* enables the fll then ctrl_up is the last bit that is configured
* by the fll enable code rather than the cache sync operation which
* would have updated it much earlier before writing out all fll
* registers
*/
regmap_update_bits(madera->regmap,
fll->base + MADERA_FLL_CONTROL_2_OFFS,
MADERA_FLL1_CTRL_UPD_MASK, 0);
if (change)
pm_runtime_put_autosuspend(madera->dev);
return 0;
}
static int madera_fllhj_apply(struct madera_fll *fll, int fin)
{
struct madera *madera = fll->madera;
int refdiv, fref, fout, lockdet_thr, fbdiv, hp, fast_clk, fllgcd;
bool frac = false;
unsigned int fll_n, min_n, max_n, ratio, theta, lambda;
unsigned int gains, val, num;
madera_fll_dbg(fll, "fin=%d, fout=%d\n", fin, fll->fout);
for (refdiv = 0; refdiv < 4; refdiv++)
if ((fin / (1 << refdiv)) <= MADERA_FLLHJ_MAX_THRESH)
break;
fref = fin / (1 << refdiv);
/* Use simple heuristic approach to find a configuration that
* should work for most input clocks.
*/
fast_clk = 0;
fout = fll->fout;
frac = fout % fref;
if (fref < MADERA_FLLHJ_LOW_THRESH) {
lockdet_thr = 2;
gains = MADERA_FLLHJ_LOW_GAINS;
if (frac)
fbdiv = 256;
else
fbdiv = 4;
} else if (fref < MADERA_FLLHJ_MID_THRESH) {
lockdet_thr = 8;
gains = MADERA_FLLHJ_MID_GAINS;
fbdiv = 1;
} else {
lockdet_thr = 8;
gains = MADERA_FLLHJ_HIGH_GAINS;
fbdiv = 1;
/* For high speed input clocks, enable 300MHz fast oscillator
* when we're in fractional divider mode.
*/
if (frac) {
fast_clk = 0x3;
fout = fll->fout * 6;
}
}
/* Use high performance mode for fractional configurations. */
if (frac) {
hp = 0x3;
min_n = MADERA_FLLHJ_FRAC_MIN_N;
max_n = MADERA_FLLHJ_FRAC_MAX_N;
} else {
hp = 0x0;
min_n = MADERA_FLLHJ_INT_MIN_N;
max_n = MADERA_FLLHJ_INT_MAX_N;
}
ratio = fout / fref;
madera_fll_dbg(fll, "refdiv=%d, fref=%d, frac:%d\n",
refdiv, fref, frac);
while (ratio / fbdiv < min_n) {
fbdiv /= 2;
if (fbdiv < 1) {
madera_fll_err(fll, "FBDIV (%d) must be >= 1\n", fbdiv);
return -EINVAL;
}
}
while (frac && (ratio / fbdiv > max_n)) {
fbdiv *= 2;
if (fbdiv >= 1024) {
madera_fll_err(fll, "FBDIV (%u) >= 1024\n", fbdiv);
return -EINVAL;
}
}
madera_fll_dbg(fll, "lockdet=%d, hp=0x%x, fbdiv:%d\n",
lockdet_thr, hp, fbdiv);
/* Calculate N.K values */
fllgcd = gcd(fout, fbdiv * fref);
num = fout / fllgcd;
lambda = (fref * fbdiv) / fllgcd;
fll_n = num / lambda;
theta = num % lambda;
madera_fll_dbg(fll, "fll_n=%d, gcd=%d, theta=%d, lambda=%d\n",
fll_n, fllgcd, theta, lambda);
/* Some sanity checks before any registers are written. */
if (fll_n < min_n || fll_n > max_n) {
madera_fll_err(fll, "N not in valid %s mode range %d-%d: %d\n",
frac ? "fractional" : "integer", min_n, max_n,
fll_n);
return -EINVAL;
}
if (fbdiv < 1 || (frac && fbdiv >= 1024) || (!frac && fbdiv >= 256)) {
madera_fll_err(fll, "Invalid fbdiv for %s mode (%u)\n",
frac ? "fractional" : "integer", fbdiv);
return -EINVAL;
}
/* clear the ctrl_upd bit to guarantee we write to it later. */
regmap_write(madera->regmap,
fll->base + MADERA_FLL_CONTROL_2_OFFS,
fll_n << MADERA_FLL1_N_SHIFT);
regmap_update_bits(madera->regmap,
fll->base + MADERA_FLL_CONTROL_3_OFFS,
MADERA_FLL1_THETA_MASK,
theta << MADERA_FLL1_THETA_SHIFT);
regmap_update_bits(madera->regmap,
fll->base + MADERA_FLL_CONTROL_4_OFFS,
MADERA_FLL1_LAMBDA_MASK,
lambda << MADERA_FLL1_LAMBDA_SHIFT);
regmap_update_bits(madera->regmap,
fll->base + MADERA_FLL_CONTROL_5_OFFS,
MADERA_FLL1_FB_DIV_MASK,
fbdiv << MADERA_FLL1_FB_DIV_SHIFT);
regmap_update_bits(madera->regmap,
fll->base + MADERA_FLL_CONTROL_6_OFFS,
MADERA_FLL1_REFCLK_DIV_MASK,
refdiv << MADERA_FLL1_REFCLK_DIV_SHIFT);
regmap_update_bits(madera->regmap,
fll->base + MADERA_FLL_GAIN_OFFS,
0xffff,
gains);
val = hp << MADERA_FLL1_HP_SHIFT;
val |= 1 << MADERA_FLL1_PHASEDET_ENA_SHIFT;
regmap_update_bits(madera->regmap,
fll->base + MADERA_FLL_CONTROL_10_OFFS,
MADERA_FLL1_HP_MASK | MADERA_FLL1_PHASEDET_ENA_MASK,
val);
regmap_update_bits(madera->regmap,
fll->base + MADERA_FLL_CONTROL_11_OFFS,
MADERA_FLL1_LOCKDET_THR_MASK,
lockdet_thr << MADERA_FLL1_LOCKDET_THR_SHIFT);
regmap_update_bits(madera->regmap,
fll->base + MADERA_FLL1_DIGITAL_TEST_1_OFFS,
MADERA_FLL1_SYNC_EFS_ENA_MASK |
MADERA_FLL1_CLK_VCO_FAST_SRC_MASK,
fast_clk);
return 0;
}
static int madera_fllhj_enable(struct madera_fll *fll)
{
struct madera *madera = fll->madera;
int already_enabled = madera_is_enabled_fll(fll, fll->base);
int ret;
if (already_enabled < 0)
return already_enabled;
if (!already_enabled)
pm_runtime_get_sync(madera->dev);
madera_fll_dbg(fll, "Enabling FLL, initially %s\n",
already_enabled ? "enabled" : "disabled");
/* FLLn_HOLD must be set before configuring any registers */
regmap_update_bits(fll->madera->regmap,
fll->base + MADERA_FLL_CONTROL_1_OFFS,
MADERA_FLL1_HOLD_MASK,
MADERA_FLL1_HOLD_MASK);
/* Apply refclk */
ret = madera_fllhj_apply(fll, fll->ref_freq);
if (ret) {
madera_fll_err(fll, "Failed to set FLL: %d\n", ret);
goto out;
}
regmap_update_bits(madera->regmap,
fll->base + MADERA_FLL_CONTROL_1_OFFS,
CS47L92_FLL1_REFCLK_SRC_MASK,
fll->ref_src << CS47L92_FLL1_REFCLK_SRC_SHIFT);
regmap_update_bits(madera->regmap,
fll->base + MADERA_FLL_CONTROL_1_OFFS,
MADERA_FLL1_ENA_MASK,
MADERA_FLL1_ENA_MASK);
out:
regmap_update_bits(madera->regmap,
fll->base + MADERA_FLL_CONTROL_11_OFFS,
MADERA_FLL1_LOCKDET_MASK,
MADERA_FLL1_LOCKDET_MASK);
regmap_update_bits(madera->regmap,
fll->base + MADERA_FLL_CONTROL_2_OFFS,
MADERA_FLL1_CTRL_UPD_MASK,
MADERA_FLL1_CTRL_UPD_MASK);
/* Release the hold so that flln locks to external frequency */
regmap_update_bits(madera->regmap,
fll->base + MADERA_FLL_CONTROL_1_OFFS,
MADERA_FLL1_HOLD_MASK,
0);
if (!already_enabled)
madera_wait_for_fll(fll, true);
return 0;
}
static int madera_fllhj_validate(struct madera_fll *fll,
unsigned int ref_in,
unsigned int fout)
{
if (fout && !ref_in) {
madera_fll_err(fll, "fllout set without valid input clk\n");
return -EINVAL;
}
if (fll->fout && fout != fll->fout) {
madera_fll_err(fll, "Can't change output on active FLL\n");
return -EINVAL;
}
if (ref_in / MADERA_FLL_MAX_REFDIV > MADERA_FLLHJ_MAX_THRESH) {
madera_fll_err(fll, "Can't scale %dMHz to <=13MHz\n", ref_in);
return -EINVAL;
}
return 0;
}
int madera_fllhj_set_refclk(struct madera_fll *fll, int source,
unsigned int fin, unsigned int fout)
{
int ret = 0;
/* To remain consistent with previous FLLs, we expect fout to be
* provided in the form of the required sysclk rate, which is
* 2x the calculated fll out.
*/
if (fout)
fout /= 2;
if (fll->ref_src == source && fll->ref_freq == fin &&
fll->fout == fout)
return 0;
if (fin && fout && madera_fllhj_validate(fll, fin, fout))
return -EINVAL;
fll->ref_src = source;
fll->ref_freq = fin;
fll->fout = fout;
if (fout)
ret = madera_fllhj_enable(fll);
else
madera_fllhj_disable(fll);
return ret;
}
EXPORT_SYMBOL_GPL(madera_fllhj_set_refclk);
/**
* madera_set_output_mode - Set the mode of the specified output
*

10
sound/soc/codecs/madera.h
View File

@ -47,6 +47,7 @@
#define MADERA_CLK_SYSCLK_3 6
#define MADERA_CLK_ASYNCCLK_2 7
#define MADERA_CLK_DSPCLK 8
#define MADERA_CLK_OUTCLK 9
#define MADERA_CLK_SRC_MCLK1 0x0
#define MADERA_CLK_SRC_MCLK2 0x1
@ -61,6 +62,12 @@
#define MADERA_CLK_SRC_AIF4BCLK 0xB
#define MADERA_CLK_SRC_FLLAO 0xF
#define MADERA_OUTCLK_SYSCLK 0
#define MADERA_OUTCLK_ASYNCCLK 1
#define MADERA_OUTCLK_MCLK1 4
#define MADERA_OUTCLK_MCLK2 5
#define MADERA_OUTCLK_MCLK3 6
#define MADERA_MIXER_VOL_MASK 0x00FE
#define MADERA_MIXER_VOL_SHIFT 1
#define MADERA_MIXER_VOL_WIDTH 7
@ -326,6 +333,7 @@ extern const struct soc_enum madera_sample_rate[];
extern const struct soc_enum madera_isrc_fsl[];
extern const struct soc_enum madera_isrc_fsh[];
extern const struct soc_enum madera_asrc1_rate[];
extern const struct soc_enum madera_asrc1_bidir_rate[];
extern const struct soc_enum madera_asrc2_rate[];
extern const struct soc_enum madera_dfc_width[];
extern const struct soc_enum madera_dfc_type[];
@ -403,6 +411,8 @@ int madera_set_fll_syncclk(struct madera_fll *fll, int source,
unsigned int fref, unsigned int fout);
int madera_set_fll_ao_refclk(struct madera_fll *fll, int source,
unsigned int fin, unsigned int fout);
int madera_fllhj_set_refclk(struct madera_fll *fll, int source,
unsigned int fin, unsigned int fout);
int madera_core_init(struct madera_priv *priv);
int madera_core_free(struct madera_priv *priv);