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-rw-r--r--sound/soc/codecs/tlv320dac33.c521
1 files changed, 223 insertions, 298 deletions
diff --git a/sound/soc/codecs/tlv320dac33.c b/sound/soc/codecs/tlv320dac33.c
index c5ab8c80577..df3a7506c02 100644
--- a/sound/soc/codecs/tlv320dac33.c
+++ b/sound/soc/codecs/tlv320dac33.c
@@ -1,7 +1,7 @@
/*
* ALSA SoC Texas Instruments TLV320DAC33 codec driver
*
- * Author: Peter Ujfalusi <peter.ujfalusi@nokia.com>
+ * Author: Peter Ujfalusi <peter.ujfalusi@ti.com>
*
* Copyright: (C) 2009 Nokia Corporation
*
@@ -27,7 +27,6 @@
#include <linux/delay.h>
#include <linux/pm.h>
#include <linux/i2c.h>
-#include <linux/platform_device.h>
#include <linux/interrupt.h>
#include <linux/gpio.h>
#include <linux/regulator/consumer.h>
@@ -36,35 +35,37 @@
#include <sound/pcm.h>
#include <sound/pcm_params.h>
#include <sound/soc.h>
-#include <sound/soc-dapm.h>
#include <sound/initval.h>
#include <sound/tlv.h>
#include <sound/tlv320dac33-plat.h>
#include "tlv320dac33.h"
-#define DAC33_BUFFER_SIZE_BYTES 24576 /* bytes, 12288 16 bit words,
- * 6144 stereo */
-#define DAC33_BUFFER_SIZE_SAMPLES 6144
-
-#define NSAMPLE_MAX 5700
-
-#define MODE7_LTHR 10
-#define MODE7_UTHR (DAC33_BUFFER_SIZE_SAMPLES - 10)
+/*
+ * The internal FIFO is 24576 bytes long
+ * It can be configured to hold 16bit or 24bit samples
+ * In 16bit configuration the FIFO can hold 6144 stereo samples
+ * In 24bit configuration the FIFO can hold 4096 stereo samples
+ */
+#define DAC33_FIFO_SIZE_16BIT 6144
+#define DAC33_FIFO_SIZE_24BIT 4096
+#define DAC33_MODE7_MARGIN 10 /* Safety margin for FIFO in Mode7 */
#define BURST_BASEFREQ_HZ 49152000
#define SAMPLES_TO_US(rate, samples) \
- (1000000000 / ((rate * 1000) / samples))
+ (1000000000 / (((rate) * 1000) / (samples)))
#define US_TO_SAMPLES(rate, us) \
- (rate / (1000000 / (us < 1000000 ? us : 1000000)))
+ ((rate) / (1000000 / ((us) < 1000000 ? (us) : 1000000)))
#define UTHR_FROM_PERIOD_SIZE(samples, playrate, burstrate) \
- ((samples * 5000) / ((burstrate * 5000) / (burstrate - playrate)))
+ (((samples)*5000) / (((burstrate)*5000) / ((burstrate) - (playrate))))
-static void dac33_calculate_times(struct snd_pcm_substream *substream);
-static int dac33_prepare_chip(struct snd_pcm_substream *substream);
+static void dac33_calculate_times(struct snd_pcm_substream *substream,
+ struct snd_soc_codec *codec);
+static int dac33_prepare_chip(struct snd_pcm_substream *substream,
+ struct snd_soc_codec *codec);
enum dac33_state {
DAC33_IDLE = 0,
@@ -100,16 +101,11 @@ struct tlv320dac33_priv {
unsigned int refclk;
unsigned int alarm_threshold; /* set to be half of LATENCY_TIME_MS */
- unsigned int nsample_min; /* nsample should not be lower than
- * this */
- unsigned int nsample_max; /* nsample should not be higher than
- * this */
enum dac33_fifo_modes fifo_mode;/* FIFO mode selection */
+ unsigned int fifo_size; /* Size of the FIFO in samples */
unsigned int nsample; /* burst read amount from host */
int mode1_latency; /* latency caused by the i2c writes in
* us */
- int auto_fifo_config; /* Configure the FIFO based on the
- * period size */
u8 burst_bclkdiv; /* BCLK divider value in burst mode */
unsigned int burst_rate; /* Interface speed in Burst modes */
@@ -126,7 +122,6 @@ struct tlv320dac33_priv {
unsigned int uthr;
enum dac33_state state;
- enum snd_soc_control_type control_type;
void *control_data;
};
@@ -303,7 +298,6 @@ static void dac33_init_chip(struct snd_soc_codec *codec)
if (unlikely(!dac33->chip_power))
return;
- /* 44-46: DAC Control Registers */
/* A : DAC sample rate Fsref/1.5 */
dac33_write(codec, DAC33_DAC_CTRL_A, DAC33_DACRATE(0));
/* B : DAC src=normal, not muted */
@@ -316,8 +310,6 @@ static void dac33_init_chip(struct snd_soc_codec *codec)
clock source = internal osc (?) */
dac33_write(codec, DAC33_ANA_VOL_SOFT_STEP_CTRL, DAC33_VOLCLKEN);
- dac33_write(codec, DAC33_PWR_CTRL, DAC33_PDNALLB);
-
/* Restore only selected registers (gains mostly) */
dac33_write(codec, DAC33_LDAC_DIG_VOL_CTRL,
dac33_read_reg_cache(codec, DAC33_LDAC_DIG_VOL_CTRL));
@@ -328,6 +320,14 @@ static void dac33_init_chip(struct snd_soc_codec *codec)
dac33_read_reg_cache(codec, DAC33_LINEL_TO_LLO_VOL));
dac33_write(codec, DAC33_LINER_TO_RLO_VOL,
dac33_read_reg_cache(codec, DAC33_LINER_TO_RLO_VOL));
+
+ dac33_write(codec, DAC33_OUT_AMP_CTRL,
+ dac33_read_reg_cache(codec, DAC33_OUT_AMP_CTRL));
+
+ dac33_write(codec, DAC33_LDAC_PWR_CTRL,
+ dac33_read_reg_cache(codec, DAC33_LDAC_PWR_CTRL));
+ dac33_write(codec, DAC33_RDAC_PWR_CTRL,
+ dac33_read_reg_cache(codec, DAC33_RDAC_PWR_CTRL));
}
static inline int dac33_read_id(struct snd_soc_codec *codec)
@@ -357,6 +357,21 @@ static inline void dac33_soft_power(struct snd_soc_codec *codec, int power)
dac33_write(codec, DAC33_PWR_CTRL, reg);
}
+static inline void dac33_disable_digital(struct snd_soc_codec *codec)
+{
+ u8 reg;
+
+ /* Stop the DAI clock */
+ reg = dac33_read_reg_cache(codec, DAC33_SER_AUDIOIF_CTRL_B);
+ reg &= ~DAC33_BCLKON;
+ dac33_write(codec, DAC33_SER_AUDIOIF_CTRL_B, reg);
+
+ /* Power down the Oscillator, and DACs */
+ reg = dac33_read_reg_cache(codec, DAC33_PWR_CTRL);
+ reg &= ~(DAC33_OSCPDNB | DAC33_DACRPDNB | DAC33_DACLPDNB);
+ dac33_write(codec, DAC33_PWR_CTRL, reg);
+}
+
static int dac33_hard_power(struct snd_soc_codec *codec, int power)
{
struct tlv320dac33_priv *dac33 = snd_soc_codec_get_drvdata(codec);
@@ -405,7 +420,7 @@ exit:
return ret;
}
-static int playback_event(struct snd_soc_dapm_widget *w,
+static int dac33_playback_event(struct snd_soc_dapm_widget *w,
struct snd_kcontrol *kcontrol, int event)
{
struct tlv320dac33_priv *dac33 = snd_soc_codec_get_drvdata(w->codec);
@@ -413,85 +428,21 @@ static int playback_event(struct snd_soc_dapm_widget *w,
switch (event) {
case SND_SOC_DAPM_PRE_PMU:
if (likely(dac33->substream)) {
- dac33_calculate_times(dac33->substream);
- dac33_prepare_chip(dac33->substream);
+ dac33_calculate_times(dac33->substream, w->codec);
+ dac33_prepare_chip(dac33->substream, w->codec);
}
break;
+ case SND_SOC_DAPM_POST_PMD:
+ dac33_disable_digital(w->codec);
+ break;
}
return 0;
}
-static int dac33_get_nsample(struct snd_kcontrol *kcontrol,
- struct snd_ctl_elem_value *ucontrol)
-{
- struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
- struct tlv320dac33_priv *dac33 = snd_soc_codec_get_drvdata(codec);
-
- ucontrol->value.integer.value[0] = dac33->nsample;
-
- return 0;
-}
-
-static int dac33_set_nsample(struct snd_kcontrol *kcontrol,
- struct snd_ctl_elem_value *ucontrol)
-{
- struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
- struct tlv320dac33_priv *dac33 = snd_soc_codec_get_drvdata(codec);
- int ret = 0;
-
- if (dac33->nsample == ucontrol->value.integer.value[0])
- return 0;
-
- if (ucontrol->value.integer.value[0] < dac33->nsample_min ||
- ucontrol->value.integer.value[0] > dac33->nsample_max) {
- ret = -EINVAL;
- } else {
- dac33->nsample = ucontrol->value.integer.value[0];
- /* Re calculate the burst time */
- dac33->mode1_us_burst = SAMPLES_TO_US(dac33->burst_rate,
- dac33->nsample);
- }
-
- return ret;
-}
-
-static int dac33_get_uthr(struct snd_kcontrol *kcontrol,
- struct snd_ctl_elem_value *ucontrol)
-{
- struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
- struct tlv320dac33_priv *dac33 = snd_soc_codec_get_drvdata(codec);
-
- ucontrol->value.integer.value[0] = dac33->uthr;
-
- return 0;
-}
-
-static int dac33_set_uthr(struct snd_kcontrol *kcontrol,
- struct snd_ctl_elem_value *ucontrol)
-{
- struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
- struct tlv320dac33_priv *dac33 = snd_soc_codec_get_drvdata(codec);
- int ret = 0;
-
- if (dac33->substream)
- return -EBUSY;
-
- if (dac33->uthr == ucontrol->value.integer.value[0])
- return 0;
-
- if (ucontrol->value.integer.value[0] < (MODE7_LTHR + 10) ||
- ucontrol->value.integer.value[0] > MODE7_UTHR)
- ret = -EINVAL;
- else
- dac33->uthr = ucontrol->value.integer.value[0];
-
- return ret;
-}
-
static int dac33_get_fifo_mode(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
- struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
+ struct snd_soc_codec *codec = snd_soc_kcontrol_codec(kcontrol);
struct tlv320dac33_priv *dac33 = snd_soc_codec_get_drvdata(codec);
ucontrol->value.integer.value[0] = dac33->fifo_mode;
@@ -502,14 +453,14 @@ static int dac33_get_fifo_mode(struct snd_kcontrol *kcontrol,
static int dac33_set_fifo_mode(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
- struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
+ struct snd_soc_codec *codec = snd_soc_kcontrol_codec(kcontrol);
struct tlv320dac33_priv *dac33 = snd_soc_codec_get_drvdata(codec);
int ret = 0;
if (dac33->fifo_mode == ucontrol->value.integer.value[0])
return 0;
/* Do not allow changes while stream is running*/
- if (codec->active)
+ if (snd_soc_codec_is_active(codec))
return -EPERM;
if (ucontrol->value.integer.value[0] < 0 ||
@@ -526,9 +477,7 @@ static const char *dac33_fifo_mode_texts[] = {
"Bypass", "Mode 1", "Mode 7"
};
-static const struct soc_enum dac33_fifo_mode_enum =
- SOC_ENUM_SINGLE_EXT(ARRAY_SIZE(dac33_fifo_mode_texts),
- dac33_fifo_mode_texts);
+static SOC_ENUM_SINGLE_EXT_DECL(dac33_fifo_mode_enum, dac33_fifo_mode_texts);
/* L/R Line Output Gain */
static const char *lr_lineout_gain_texts[] = {
@@ -536,15 +485,13 @@ static const char *lr_lineout_gain_texts[] = {
"Line 0dB DAC 12dB", "Line 6dB DAC 18dB",
};
-static const struct soc_enum l_lineout_gain_enum =
- SOC_ENUM_SINGLE(DAC33_LDAC_PWR_CTRL, 0,
- ARRAY_SIZE(lr_lineout_gain_texts),
- lr_lineout_gain_texts);
+static SOC_ENUM_SINGLE_DECL(l_lineout_gain_enum,
+ DAC33_LDAC_PWR_CTRL, 0,
+ lr_lineout_gain_texts);
-static const struct soc_enum r_lineout_gain_enum =
- SOC_ENUM_SINGLE(DAC33_RDAC_PWR_CTRL, 0,
- ARRAY_SIZE(lr_lineout_gain_texts),
- lr_lineout_gain_texts);
+static SOC_ENUM_SINGLE_DECL(r_lineout_gain_enum,
+ DAC33_RDAC_PWR_CTRL, 0,
+ lr_lineout_gain_texts);
/*
* DACL/R digital volume control:
@@ -572,13 +519,6 @@ static const struct snd_kcontrol_new dac33_mode_snd_controls[] = {
dac33_get_fifo_mode, dac33_set_fifo_mode),
};
-static const struct snd_kcontrol_new dac33_fifo_snd_controls[] = {
- SOC_SINGLE_EXT("nSample", 0, 0, 5900, 0,
- dac33_get_nsample, dac33_set_nsample),
- SOC_SINGLE_EXT("UTHR", 0, 0, MODE7_UTHR, 0,
- dac33_get_uthr, dac33_set_uthr),
-};
-
/* Analog bypass */
static const struct snd_kcontrol_new dac33_dapm_abypassl_control =
SOC_DAPM_SINGLE("Switch", DAC33_LINEL_TO_LLO_VOL, 7, 1, 1);
@@ -586,6 +526,23 @@ static const struct snd_kcontrol_new dac33_dapm_abypassl_control =
static const struct snd_kcontrol_new dac33_dapm_abypassr_control =
SOC_DAPM_SINGLE("Switch", DAC33_LINER_TO_RLO_VOL, 7, 1, 1);
+/* LOP L/R invert selection */
+static const char *dac33_lr_lom_texts[] = {"DAC", "LOP"};
+
+static SOC_ENUM_SINGLE_DECL(dac33_left_lom_enum,
+ DAC33_OUT_AMP_CTRL, 3,
+ dac33_lr_lom_texts);
+
+static const struct snd_kcontrol_new dac33_dapm_left_lom_control =
+SOC_DAPM_ENUM("Route", dac33_left_lom_enum);
+
+static SOC_ENUM_SINGLE_DECL(dac33_right_lom_enum,
+ DAC33_OUT_AMP_CTRL, 2,
+ dac33_lr_lom_texts);
+
+static const struct snd_kcontrol_new dac33_dapm_right_lom_control =
+SOC_DAPM_ENUM("Route", dac33_right_lom_enum);
+
static const struct snd_soc_dapm_widget dac33_dapm_widgets[] = {
SND_SOC_DAPM_OUTPUT("LEFT_LO"),
SND_SOC_DAPM_OUTPUT("RIGHT_LO"),
@@ -593,8 +550,8 @@ static const struct snd_soc_dapm_widget dac33_dapm_widgets[] = {
SND_SOC_DAPM_INPUT("LINEL"),
SND_SOC_DAPM_INPUT("LINER"),
- SND_SOC_DAPM_DAC("DACL", "Left Playback", DAC33_LDAC_PWR_CTRL, 2, 0),
- SND_SOC_DAPM_DAC("DACR", "Right Playback", DAC33_RDAC_PWR_CTRL, 2, 0),
+ SND_SOC_DAPM_DAC("DACL", "Left Playback", SND_SOC_NOPM, 0, 0),
+ SND_SOC_DAPM_DAC("DACR", "Right Playback", SND_SOC_NOPM, 0, 0),
/* Analog bypass */
SND_SOC_DAPM_SWITCH("Analog Left Bypass", SND_SOC_NOPM, 0, 0,
@@ -602,12 +559,33 @@ static const struct snd_soc_dapm_widget dac33_dapm_widgets[] = {
SND_SOC_DAPM_SWITCH("Analog Right Bypass", SND_SOC_NOPM, 0, 0,
&dac33_dapm_abypassr_control),
- SND_SOC_DAPM_REG(snd_soc_dapm_mixer, "Output Left Amp Power",
+ SND_SOC_DAPM_MUX("Left LOM Inverted From", SND_SOC_NOPM, 0, 0,
+ &dac33_dapm_left_lom_control),
+ SND_SOC_DAPM_MUX("Right LOM Inverted From", SND_SOC_NOPM, 0, 0,
+ &dac33_dapm_right_lom_control),
+ /*
+ * For DAPM path, when only the anlog bypass path is enabled, and the
+ * LOP inverted from the corresponding DAC side.
+ * This is needed, so we can attach the DAC power supply in this case.
+ */
+ SND_SOC_DAPM_PGA("Left Bypass PGA", SND_SOC_NOPM, 0, 0, NULL, 0),
+ SND_SOC_DAPM_PGA("Right Bypass PGA", SND_SOC_NOPM, 0, 0, NULL, 0),
+
+ SND_SOC_DAPM_REG(snd_soc_dapm_mixer, "Output Left Amplifier",
DAC33_OUT_AMP_PWR_CTRL, 6, 3, 3, 0),
- SND_SOC_DAPM_REG(snd_soc_dapm_mixer, "Output Right Amp Power",
+ SND_SOC_DAPM_REG(snd_soc_dapm_mixer, "Output Right Amplifier",
DAC33_OUT_AMP_PWR_CTRL, 4, 3, 3, 0),
- SND_SOC_DAPM_PRE("Prepare Playback", playback_event),
+ SND_SOC_DAPM_SUPPLY("Left DAC Power",
+ DAC33_LDAC_PWR_CTRL, 2, 0, NULL, 0),
+ SND_SOC_DAPM_SUPPLY("Right DAC Power",
+ DAC33_RDAC_PWR_CTRL, 2, 0, NULL, 0),
+
+ SND_SOC_DAPM_SUPPLY("Codec Power",
+ DAC33_PWR_CTRL, 4, 0, NULL, 0),
+
+ SND_SOC_DAPM_PRE("Pre Playback", dac33_playback_event),
+ SND_SOC_DAPM_POST("Post Playback", dac33_playback_event),
};
static const struct snd_soc_dapm_route audio_map[] = {
@@ -615,27 +593,33 @@ static const struct snd_soc_dapm_route audio_map[] = {
{"Analog Left Bypass", "Switch", "LINEL"},
{"Analog Right Bypass", "Switch", "LINER"},
- {"Output Left Amp Power", NULL, "DACL"},
- {"Output Right Amp Power", NULL, "DACR"},
+ {"Output Left Amplifier", NULL, "DACL"},
+ {"Output Right Amplifier", NULL, "DACR"},
- {"Output Left Amp Power", NULL, "Analog Left Bypass"},
- {"Output Right Amp Power", NULL, "Analog Right Bypass"},
+ {"Left Bypass PGA", NULL, "Analog Left Bypass"},
+ {"Right Bypass PGA", NULL, "Analog Right Bypass"},
- /* output */
- {"LEFT_LO", NULL, "Output Left Amp Power"},
- {"RIGHT_LO", NULL, "Output Right Amp Power"},
-};
+ {"Left LOM Inverted From", "DAC", "Left Bypass PGA"},
+ {"Right LOM Inverted From", "DAC", "Right Bypass PGA"},
+ {"Left LOM Inverted From", "LOP", "Analog Left Bypass"},
+ {"Right LOM Inverted From", "LOP", "Analog Right Bypass"},
-static int dac33_add_widgets(struct snd_soc_codec *codec)
-{
- snd_soc_dapm_new_controls(codec, dac33_dapm_widgets,
- ARRAY_SIZE(dac33_dapm_widgets));
+ {"Output Left Amplifier", NULL, "Left LOM Inverted From"},
+ {"Output Right Amplifier", NULL, "Right LOM Inverted From"},
- /* set up audio path interconnects */
- snd_soc_dapm_add_routes(codec, audio_map, ARRAY_SIZE(audio_map));
+ {"DACL", NULL, "Left DAC Power"},
+ {"DACR", NULL, "Right DAC Power"},
- return 0;
-}
+ {"Left Bypass PGA", NULL, "Left DAC Power"},
+ {"Right Bypass PGA", NULL, "Right DAC Power"},
+
+ /* output */
+ {"LEFT_LO", NULL, "Output Left Amplifier"},
+ {"RIGHT_LO", NULL, "Output Right Amplifier"},
+
+ {"LEFT_LO", NULL, "Codec Power"},
+ {"RIGHT_LO", NULL, "Codec Power"},
+};
static int dac33_set_bias_level(struct snd_soc_codec *codec,
enum snd_soc_bias_level level)
@@ -644,12 +628,11 @@ static int dac33_set_bias_level(struct snd_soc_codec *codec,
switch (level) {
case SND_SOC_BIAS_ON:
- dac33_soft_power(codec, 1);
break;
case SND_SOC_BIAS_PREPARE:
break;
case SND_SOC_BIAS_STANDBY:
- if (codec->bias_level == SND_SOC_BIAS_OFF) {
+ if (codec->dapm.bias_level == SND_SOC_BIAS_OFF) {
/* Coming from OFF, switch on the codec */
ret = dac33_hard_power(codec, 1);
if (ret != 0)
@@ -660,14 +643,14 @@ static int dac33_set_bias_level(struct snd_soc_codec *codec,
break;
case SND_SOC_BIAS_OFF:
/* Do not power off, when the codec is already off */
- if (codec->bias_level == SND_SOC_BIAS_OFF)
+ if (codec->dapm.bias_level == SND_SOC_BIAS_OFF)
return 0;
ret = dac33_hard_power(codec, 0);
if (ret != 0)
return ret;
break;
}
- codec->bias_level = level;
+ codec->dapm.bias_level = level;
return 0;
}
@@ -676,6 +659,7 @@ static inline void dac33_prefill_handler(struct tlv320dac33_priv *dac33)
{
struct snd_soc_codec *codec = dac33->codec;
unsigned int delay;
+ unsigned long flags;
switch (dac33->fifo_mode) {
case DAC33_FIFO_MODE1:
@@ -683,10 +667,10 @@ static inline void dac33_prefill_handler(struct tlv320dac33_priv *dac33)
DAC33_THRREG(dac33->nsample));
/* Take the timestamps */
- spin_lock_irq(&dac33->lock);
+ spin_lock_irqsave(&dac33->lock, flags);
dac33->t_stamp2 = ktime_to_us(ktime_get());
dac33->t_stamp1 = dac33->t_stamp2;
- spin_unlock_irq(&dac33->lock);
+ spin_unlock_irqrestore(&dac33->lock, flags);
dac33_write16(codec, DAC33_PREFILL_MSB,
DAC33_THRREG(dac33->alarm_threshold));
@@ -698,14 +682,14 @@ static inline void dac33_prefill_handler(struct tlv320dac33_priv *dac33)
break;
case DAC33_FIFO_MODE7:
/* Take the timestamp */
- spin_lock_irq(&dac33->lock);
+ spin_lock_irqsave(&dac33->lock, flags);
dac33->t_stamp1 = ktime_to_us(ktime_get());
/* Move back the timestamp with drain time */
dac33->t_stamp1 -= dac33->mode7_us_to_lthr;
- spin_unlock_irq(&dac33->lock);
+ spin_unlock_irqrestore(&dac33->lock, flags);
dac33_write16(codec, DAC33_PREFILL_MSB,
- DAC33_THRREG(MODE7_LTHR));
+ DAC33_THRREG(DAC33_MODE7_MARGIN));
/* Enable Upper Threshold IRQ */
dac33_write(codec, DAC33_FIFO_IRQ_MASK, DAC33_MUT);
@@ -720,13 +704,14 @@ static inline void dac33_prefill_handler(struct tlv320dac33_priv *dac33)
static inline void dac33_playback_handler(struct tlv320dac33_priv *dac33)
{
struct snd_soc_codec *codec = dac33->codec;
+ unsigned long flags;
switch (dac33->fifo_mode) {
case DAC33_FIFO_MODE1:
/* Take the timestamp */
- spin_lock_irq(&dac33->lock);
+ spin_lock_irqsave(&dac33->lock, flags);
dac33->t_stamp2 = ktime_to_us(ktime_get());
- spin_unlock_irq(&dac33->lock);
+ spin_unlock_irqrestore(&dac33->lock, flags);
dac33_write16(codec, DAC33_NSAMPLE_MSB,
DAC33_THRREG(dac33->nsample));
@@ -779,10 +764,11 @@ static irqreturn_t dac33_interrupt_handler(int irq, void *dev)
{
struct snd_soc_codec *codec = dev;
struct tlv320dac33_priv *dac33 = snd_soc_codec_get_drvdata(codec);
+ unsigned long flags;
- spin_lock(&dac33->lock);
+ spin_lock_irqsave(&dac33->lock, flags);
dac33->t_stamp1 = ktime_to_us(ktime_get());
- spin_unlock(&dac33->lock);
+ spin_unlock_irqrestore(&dac33->lock, flags);
/* Do not schedule the workqueue in Mode7 */
if (dac33->fifo_mode != DAC33_FIFO_MODE7)
@@ -808,8 +794,7 @@ static void dac33_oscwait(struct snd_soc_codec *codec)
static int dac33_startup(struct snd_pcm_substream *substream,
struct snd_soc_dai *dai)
{
- struct snd_soc_pcm_runtime *rtd = substream->private_data;
- struct snd_soc_codec *codec = rtd->codec;
+ struct snd_soc_codec *codec = dai->codec;
struct tlv320dac33_priv *dac33 = snd_soc_codec_get_drvdata(codec);
/* Stream started, save the substream pointer */
@@ -821,23 +806,20 @@ static int dac33_startup(struct snd_pcm_substream *substream,
static void dac33_shutdown(struct snd_pcm_substream *substream,
struct snd_soc_dai *dai)
{
- struct snd_soc_pcm_runtime *rtd = substream->private_data;
- struct snd_soc_codec *codec = rtd->codec;
+ struct snd_soc_codec *codec = dai->codec;
struct tlv320dac33_priv *dac33 = snd_soc_codec_get_drvdata(codec);
dac33->substream = NULL;
-
- /* Reset the nSample restrictions */
- dac33->nsample_min = 0;
- dac33->nsample_max = NSAMPLE_MAX;
}
+#define CALC_BURST_RATE(bclkdiv, bclk_per_sample) \
+ (BURST_BASEFREQ_HZ / bclkdiv / bclk_per_sample)
static int dac33_hw_params(struct snd_pcm_substream *substream,
struct snd_pcm_hw_params *params,
struct snd_soc_dai *dai)
{
- struct snd_soc_pcm_runtime *rtd = substream->private_data;
- struct snd_soc_codec *codec = rtd->codec;
+ struct snd_soc_codec *codec = dai->codec;
+ struct tlv320dac33_priv *dac33 = snd_soc_codec_get_drvdata(codec);
/* Check parameters for validity */
switch (params_rate(params)) {
@@ -852,6 +834,12 @@ static int dac33_hw_params(struct snd_pcm_substream *substream,
switch (params_format(params)) {
case SNDRV_PCM_FORMAT_S16_LE:
+ dac33->fifo_size = DAC33_FIFO_SIZE_16BIT;
+ dac33->burst_rate = CALC_BURST_RATE(dac33->burst_bclkdiv, 32);
+ break;
+ case SNDRV_PCM_FORMAT_S32_LE:
+ dac33->fifo_size = DAC33_FIFO_SIZE_24BIT;
+ dac33->burst_rate = CALC_BURST_RATE(dac33->burst_bclkdiv, 64);
break;
default:
dev_err(codec->dev, "unsupported format %d\n",
@@ -872,10 +860,9 @@ static int dac33_hw_params(struct snd_pcm_substream *substream,
* writes happens in different order, than dac33 might end up in unknown state.
* Use the known, working sequence of register writes to initialize the dac33.
*/
-static int dac33_prepare_chip(struct snd_pcm_substream *substream)
+static int dac33_prepare_chip(struct snd_pcm_substream *substream,
+ struct snd_soc_codec *codec)
{
- struct snd_soc_pcm_runtime *rtd = substream->private_data;
- struct snd_soc_codec *codec = rtd->codec;
struct tlv320dac33_priv *dac33 = snd_soc_codec_get_drvdata(codec);
unsigned int oscset, ratioset, pwr_ctrl, reg_tmp;
u8 aictrl_a, aictrl_b, fifoctrl_a;
@@ -906,6 +893,9 @@ static int dac33_prepare_chip(struct snd_pcm_substream *substream)
aictrl_a |= (DAC33_NCYCL_16 | DAC33_WLEN_16);
fifoctrl_a |= DAC33_WIDTH;
break;
+ case SNDRV_PCM_FORMAT_S32_LE:
+ aictrl_a |= (DAC33_NCYCL_32 | DAC33_WLEN_24);
+ break;
default:
dev_err(codec->dev, "unsupported format %d\n",
substream->runtime->format);
@@ -932,8 +922,8 @@ static int dac33_prepare_chip(struct snd_pcm_substream *substream)
/* Write registers 0x08 and 0x09 (MSB, LSB) */
dac33_write16(codec, DAC33_INT_OSC_FREQ_RAT_A, oscset);
- /* calib time: 128 is a nice number ;) */
- dac33_write(codec, DAC33_CALIB_TIME, 128);
+ /* OSC calibration time */
+ dac33_write(codec, DAC33_CALIB_TIME, 96);
/* adjustment treshold & step */
dac33_write(codec, DAC33_INT_OSC_CTRL_B, DAC33_ADJTHRSHLD(2) |
@@ -1016,7 +1006,7 @@ static int dac33_prepare_chip(struct snd_pcm_substream *substream)
/*
* For FIFO bypass mode:
* Enable the FIFO bypass (Disable the FIFO use)
- * Set the BCLK as continous
+ * Set the BCLK as continuous
*/
fifoctrl_a |= DAC33_FBYPAS;
aictrl_b |= DAC33_BCLKON;
@@ -1040,7 +1030,10 @@ static int dac33_prepare_chip(struct snd_pcm_substream *substream)
dac33_write(codec, DAC33_SER_AUDIOIF_CTRL_C,
dac33->burst_bclkdiv);
else
- dac33_write(codec, DAC33_SER_AUDIOIF_CTRL_C, 32);
+ if (substream->runtime->format == SNDRV_PCM_FORMAT_S16_LE)
+ dac33_write(codec, DAC33_SER_AUDIOIF_CTRL_C, 32);
+ else
+ dac33_write(codec, DAC33_SER_AUDIOIF_CTRL_C, 16);
switch (dac33->fifo_mode) {
case DAC33_FIFO_MODE1:
@@ -1053,7 +1046,8 @@ static int dac33_prepare_chip(struct snd_pcm_substream *substream)
* at the bottom, and also at the top of the FIFO
*/
dac33_write16(codec, DAC33_UTHR_MSB, DAC33_THRREG(dac33->uthr));
- dac33_write16(codec, DAC33_LTHR_MSB, DAC33_THRREG(MODE7_LTHR));
+ dac33_write16(codec, DAC33_LTHR_MSB,
+ DAC33_THRREG(DAC33_MODE7_MARGIN));
break;
default:
break;
@@ -1064,10 +1058,9 @@ static int dac33_prepare_chip(struct snd_pcm_substream *substream)
return 0;
}
-static void dac33_calculate_times(struct snd_pcm_substream *substream)
+static void dac33_calculate_times(struct snd_pcm_substream *substream,
+ struct snd_soc_codec *codec)
{
- struct snd_soc_pcm_runtime *rtd = substream->private_data;
- struct snd_soc_codec *codec = rtd->codec;
struct tlv320dac33_priv *dac33 = snd_soc_codec_get_drvdata(codec);
unsigned int period_size = substream->runtime->period_size;
unsigned int rate = substream->runtime->rate;
@@ -1082,42 +1075,21 @@ static void dac33_calculate_times(struct snd_pcm_substream *substream)
/* Number of samples under i2c latency */
dac33->alarm_threshold = US_TO_SAMPLES(rate,
dac33->mode1_latency);
- nsample_limit = DAC33_BUFFER_SIZE_SAMPLES -
- dac33->alarm_threshold;
-
- if (dac33->auto_fifo_config) {
- if (period_size <= dac33->alarm_threshold)
- /*
- * Configure nSamaple to number of periods,
- * which covers the latency requironment.
- */
- dac33->nsample = period_size *
- ((dac33->alarm_threshold / period_size) +
- (dac33->alarm_threshold % period_size ?
- 1 : 0));
- else if (period_size > nsample_limit)
- dac33->nsample = nsample_limit;
- else
- dac33->nsample = period_size;
- } else {
- /* nSample time shall not be shorter than i2c latency */
- dac33->nsample_min = dac33->alarm_threshold;
+ nsample_limit = dac33->fifo_size - dac33->alarm_threshold;
+
+ if (period_size <= dac33->alarm_threshold)
/*
- * nSample should not be bigger than alsa buffer minus
- * size of one period to avoid overruns
+ * Configure nSamaple to number of periods,
+ * which covers the latency requironment.
*/
- dac33->nsample_max = substream->runtime->buffer_size -
- period_size;
-
- if (dac33->nsample_max > nsample_limit)
- dac33->nsample_max = nsample_limit;
-
- /* Correct the nSample if it is outside of the ranges */
- if (dac33->nsample < dac33->nsample_min)
- dac33->nsample = dac33->nsample_min;
- if (dac33->nsample > dac33->nsample_max)
- dac33->nsample = dac33->nsample_max;
- }
+ dac33->nsample = period_size *
+ ((dac33->alarm_threshold / period_size) +
+ (dac33->alarm_threshold % period_size ?
+ 1 : 0));
+ else if (period_size > nsample_limit)
+ dac33->nsample = nsample_limit;
+ else
+ dac33->nsample = period_size;
dac33->mode1_us_burst = SAMPLES_TO_US(dac33->burst_rate,
dac33->nsample);
@@ -1125,19 +1097,16 @@ static void dac33_calculate_times(struct snd_pcm_substream *substream)
dac33->t_stamp2 = 0;
break;
case DAC33_FIFO_MODE7:
- if (dac33->auto_fifo_config) {
- dac33->uthr = UTHR_FROM_PERIOD_SIZE(
- period_size,
- rate,
- dac33->burst_rate) + 9;
- if (dac33->uthr > MODE7_UTHR)
- dac33->uthr = MODE7_UTHR;
- if (dac33->uthr < (MODE7_LTHR + 10))
- dac33->uthr = (MODE7_LTHR + 10);
- }
+ dac33->uthr = UTHR_FROM_PERIOD_SIZE(period_size, rate,
+ dac33->burst_rate) + 9;
+ if (dac33->uthr > (dac33->fifo_size - DAC33_MODE7_MARGIN))
+ dac33->uthr = dac33->fifo_size - DAC33_MODE7_MARGIN;
+ if (dac33->uthr < (DAC33_MODE7_MARGIN + 10))
+ dac33->uthr = (DAC33_MODE7_MARGIN + 10);
+
dac33->mode7_us_to_lthr =
SAMPLES_TO_US(substream->runtime->rate,
- dac33->uthr - MODE7_LTHR + 1);
+ dac33->uthr - DAC33_MODE7_MARGIN + 1);
dac33->t_stamp1 = 0;
break;
default:
@@ -1149,8 +1118,7 @@ static void dac33_calculate_times(struct snd_pcm_substream *substream)
static int dac33_pcm_trigger(struct snd_pcm_substream *substream, int cmd,
struct snd_soc_dai *dai)
{
- struct snd_soc_pcm_runtime *rtd = substream->private_data;
- struct snd_soc_codec *codec = rtd->codec;
+ struct snd_soc_codec *codec = dai->codec;
struct tlv320dac33_priv *dac33 = snd_soc_codec_get_drvdata(codec);
int ret = 0;
@@ -1182,22 +1150,22 @@ static snd_pcm_sframes_t dac33_dai_delay(
struct snd_pcm_substream *substream,
struct snd_soc_dai *dai)
{
- struct snd_soc_pcm_runtime *rtd = substream->private_data;
- struct snd_soc_codec *codec = rtd->codec;
+ struct snd_soc_codec *codec = dai->codec;
struct tlv320dac33_priv *dac33 = snd_soc_codec_get_drvdata(codec);
unsigned long long t0, t1, t_now;
unsigned int time_delta, uthr;
int samples_out, samples_in, samples;
snd_pcm_sframes_t delay = 0;
+ unsigned long flags;
switch (dac33->fifo_mode) {
case DAC33_FIFO_BYPASS:
break;
case DAC33_FIFO_MODE1:
- spin_lock(&dac33->lock);
+ spin_lock_irqsave(&dac33->lock, flags);
t0 = dac33->t_stamp1;
t1 = dac33->t_stamp2;
- spin_unlock(&dac33->lock);
+ spin_unlock_irqrestore(&dac33->lock, flags);
t_now = ktime_to_us(ktime_get());
/* We have not started to fill the FIFO yet, delay is 0 */
@@ -1255,17 +1223,17 @@ static snd_pcm_sframes_t dac33_dai_delay(
samples += (samples_in - samples_out);
if (likely(samples > 0))
- delay = samples > DAC33_BUFFER_SIZE_SAMPLES ?
- DAC33_BUFFER_SIZE_SAMPLES : samples;
+ delay = samples > dac33->fifo_size ?
+ dac33->fifo_size : samples;
else
delay = 0;
}
break;
case DAC33_FIFO_MODE7:
- spin_lock(&dac33->lock);
+ spin_lock_irqsave(&dac33->lock, flags);
t0 = dac33->t_stamp1;
uthr = dac33->uthr;
- spin_unlock(&dac33->lock);
+ spin_unlock_irqrestore(&dac33->lock, flags);
t_now = ktime_to_us(ktime_get());
/* We have not started to fill the FIFO yet, delay is 0 */
@@ -1308,7 +1276,7 @@ static snd_pcm_sframes_t dac33_dai_delay(
samples_in = US_TO_SAMPLES(
dac33->burst_rate,
time_delta);
- delay = MODE7_LTHR + samples_in - samples_out;
+ delay = DAC33_MODE7_MARGIN + samples_in - samples_out;
if (unlikely(delay > uthr))
delay = uthr;
@@ -1415,7 +1383,6 @@ static int dac33_soc_probe(struct snd_soc_codec *codec)
codec->control_data = dac33->control_data;
codec->hw_write = (hw_write_t) i2c_master_send;
- codec->idle_bias_off = 1;
dac33->codec = codec;
/* Read the tlv320dac33 ID registers */
@@ -1436,7 +1403,7 @@ static int dac33_soc_probe(struct snd_soc_codec *codec)
/* Check if the IRQ number is valid and request it */
if (dac33->irq >= 0) {
ret = request_irq(dac33->irq, dac33_interrupt_handler,
- IRQF_TRIGGER_RISING | IRQF_DISABLED,
+ IRQF_TRIGGER_RISING,
codec->name, codec);
if (ret < 0) {
dev_err(codec->dev, "Could not request IRQ%d (%d)\n",
@@ -1456,18 +1423,10 @@ static int dac33_soc_probe(struct snd_soc_codec *codec)
}
}
- snd_soc_add_controls(codec, dac33_snd_controls,
- ARRAY_SIZE(dac33_snd_controls));
/* Only add the FIFO controls, if we have valid IRQ number */
- if (dac33->irq >= 0) {
- snd_soc_add_controls(codec, dac33_mode_snd_controls,
+ if (dac33->irq >= 0)
+ snd_soc_add_codec_controls(codec, dac33_mode_snd_controls,
ARRAY_SIZE(dac33_mode_snd_controls));
- /* FIFO usage controls only, if autoio config is not selected */
- if (!dac33->auto_fifo_config)
- snd_soc_add_controls(codec, dac33_fifo_snd_controls,
- ARRAY_SIZE(dac33_fifo_snd_controls));
- }
- dac33_add_widgets(codec);
err_power:
return ret;
@@ -1486,38 +1445,30 @@ static int dac33_soc_remove(struct snd_soc_codec *codec)
return 0;
}
-static int dac33_soc_suspend(struct snd_soc_codec *codec, pm_message_t state)
-{
- dac33_set_bias_level(codec, SND_SOC_BIAS_OFF);
-
- return 0;
-}
-
-static int dac33_soc_resume(struct snd_soc_codec *codec)
-{
- dac33_set_bias_level(codec, SND_SOC_BIAS_STANDBY);
-
- return 0;
-}
-
static struct snd_soc_codec_driver soc_codec_dev_tlv320dac33 = {
.read = dac33_read_reg_cache,
.write = dac33_write_locked,
.set_bias_level = dac33_set_bias_level,
+ .idle_bias_off = true,
.reg_cache_size = ARRAY_SIZE(dac33_reg),
.reg_word_size = sizeof(u8),
.reg_cache_default = dac33_reg,
.probe = dac33_soc_probe,
.remove = dac33_soc_remove,
- .suspend = dac33_soc_suspend,
- .resume = dac33_soc_resume,
+
+ .controls = dac33_snd_controls,
+ .num_controls = ARRAY_SIZE(dac33_snd_controls),
+ .dapm_widgets = dac33_dapm_widgets,
+ .num_dapm_widgets = ARRAY_SIZE(dac33_dapm_widgets),
+ .dapm_routes = audio_map,
+ .num_dapm_routes = ARRAY_SIZE(audio_map),
};
#define DAC33_RATES (SNDRV_PCM_RATE_44100 | \
SNDRV_PCM_RATE_48000)
-#define DAC33_FORMATS SNDRV_PCM_FMTBIT_S16_LE
+#define DAC33_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S32_LE)
-static struct snd_soc_dai_ops dac33_dai_ops = {
+static const struct snd_soc_dai_ops dac33_dai_ops = {
.startup = dac33_startup,
.shutdown = dac33_shutdown,
.hw_params = dac33_hw_params,
@@ -1534,12 +1485,14 @@ static struct snd_soc_dai_driver dac33_dai = {
.channels_min = 2,
.channels_max = 2,
.rates = DAC33_RATES,
- .formats = DAC33_FORMATS,},
+ .formats = DAC33_FORMATS,
+ .sig_bits = 24,
+ },
.ops = &dac33_dai_ops,
};
-static int __devinit dac33_i2c_probe(struct i2c_client *client,
- const struct i2c_device_id *id)
+static int dac33_i2c_probe(struct i2c_client *client,
+ const struct i2c_device_id *id)
{
struct tlv320dac33_platform_data *pdata;
struct tlv320dac33_priv *dac33;
@@ -1551,7 +1504,8 @@ static int __devinit dac33_i2c_probe(struct i2c_client *client,
}
pdata = client->dev.platform_data;
- dac33 = kzalloc(sizeof(struct tlv320dac33_priv), GFP_KERNEL);
+ dac33 = devm_kzalloc(&client->dev, sizeof(struct tlv320dac33_priv),
+ GFP_KERNEL);
if (dac33 == NULL)
return -ENOMEM;
@@ -1563,17 +1517,11 @@ static int __devinit dac33_i2c_probe(struct i2c_client *client,
dac33->power_gpio = pdata->power_gpio;
dac33->burst_bclkdiv = pdata->burst_bclkdiv;
- /* Pre calculate the burst rate */
- dac33->burst_rate = BURST_BASEFREQ_HZ / dac33->burst_bclkdiv / 32;
dac33->keep_bclk = pdata->keep_bclk;
- dac33->auto_fifo_config = pdata->auto_fifo_config;
dac33->mode1_latency = pdata->mode1_latency;
if (!dac33->mode1_latency)
dac33->mode1_latency = 10000; /* 10ms */
dac33->irq = client->irq;
- dac33->nsample = NSAMPLE_MAX;
- dac33->nsample_max = NSAMPLE_MAX;
- dac33->uthr = MODE7_UTHR;
/* Disable FIFO use by default */
dac33->fifo_mode = DAC33_FIFO_BYPASS;
@@ -1592,7 +1540,7 @@ static int __devinit dac33_i2c_probe(struct i2c_client *client,
for (i = 0; i < ARRAY_SIZE(dac33->supplies); i++)
dac33->supplies[i].supply = dac33_supply_names[i];
- ret = regulator_bulk_get(&client->dev, ARRAY_SIZE(dac33->supplies),
+ ret = devm_regulator_bulk_get(&client->dev, ARRAY_SIZE(dac33->supplies),
dac33->supplies);
if (ret != 0) {
@@ -1603,20 +1551,17 @@ static int __devinit dac33_i2c_probe(struct i2c_client *client,
ret = snd_soc_register_codec(&client->dev,
&soc_codec_dev_tlv320dac33, &dac33_dai, 1);
if (ret < 0)
- goto err_register;
+ goto err_get;
return ret;
-err_register:
- regulator_bulk_free(ARRAY_SIZE(dac33->supplies), dac33->supplies);
err_get:
if (dac33->power_gpio >= 0)
gpio_free(dac33->power_gpio);
err_gpio:
- kfree(dac33);
return ret;
}
-static int __devexit dac33_i2c_remove(struct i2c_client *client)
+static int dac33_i2c_remove(struct i2c_client *client)
{
struct tlv320dac33_priv *dac33 = i2c_get_clientdata(client);
@@ -1626,11 +1571,7 @@ static int __devexit dac33_i2c_remove(struct i2c_client *client)
if (dac33->power_gpio >= 0)
gpio_free(dac33->power_gpio);
- regulator_bulk_free(ARRAY_SIZE(dac33->supplies), dac33->supplies);
-
snd_soc_unregister_codec(&client->dev);
- kfree(dac33);
-
return 0;
}
@@ -1641,6 +1582,7 @@ static const struct i2c_device_id tlv320dac33_i2c_id[] = {
},
{ },
};
+MODULE_DEVICE_TABLE(i2c, tlv320dac33_i2c_id);
static struct i2c_driver tlv320dac33_i2c_driver = {
.driver = {
@@ -1648,29 +1590,12 @@ static struct i2c_driver tlv320dac33_i2c_driver = {
.owner = THIS_MODULE,
},
.probe = dac33_i2c_probe,
- .remove = __devexit_p(dac33_i2c_remove),
+ .remove = dac33_i2c_remove,
.id_table = tlv320dac33_i2c_id,
};
-static int __init dac33_module_init(void)
-{
- int r;
- r = i2c_add_driver(&tlv320dac33_i2c_driver);
- if (r < 0) {
- printk(KERN_ERR "DAC33: driver registration failed\n");
- return r;
- }
- return 0;
-}
-module_init(dac33_module_init);
-
-static void __exit dac33_module_exit(void)
-{
- i2c_del_driver(&tlv320dac33_i2c_driver);
-}
-module_exit(dac33_module_exit);
-
+module_i2c_driver(tlv320dac33_i2c_driver);
MODULE_DESCRIPTION("ASoC TLV320DAC33 codec driver");
-MODULE_AUTHOR("Peter Ujfalusi <peter.ujfalusi@nokia.com>");
+MODULE_AUTHOR("Peter Ujfalusi <peter.ujfalusi@ti.com>");
MODULE_LICENSE("GPL");
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2025-11-04 01:38:23 +0000