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-rw-r--r--sound/soc/codecs/twl6040.c859
1 files changed, 741 insertions, 118 deletions
diff --git a/sound/soc/codecs/twl6040.c b/sound/soc/codecs/twl6040.c
index 10f6e52..4bbf1b1 100644
--- a/sound/soc/codecs/twl6040.c
+++ b/sound/soc/codecs/twl6040.c
@@ -34,14 +34,46 @@
#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 "twl6040.h"
-#define TWL6040_RATES (SNDRV_PCM_RATE_88200 | SNDRV_PCM_RATE_96000)
-#define TWL6040_FORMATS (SNDRV_PCM_FMTBIT_S32_LE)
+#define TWL6040_RATES SNDRV_PCM_RATE_8000_96000
+#define TWL6040_FORMATS (SNDRV_PCM_FMTBIT_S32_LE)
+
+#define TWL6040_OUTHS_0dB 0x00
+#define TWL6040_OUTHS_M30dB 0x0F
+#define TWL6040_OUTHF_0dB 0x03
+#define TWL6040_OUTHF_M52dB 0x1D
+
+#define TWL6040_RAMP_NONE 0
+#define TWL6040_RAMP_UP 1
+#define TWL6040_RAMP_DOWN 2
+
+#define TWL6040_HSL_VOL_MASK 0x0F
+#define TWL6040_HSL_VOL_SHIFT 0
+#define TWL6040_HSR_VOL_MASK 0xF0
+#define TWL6040_HSR_VOL_SHIFT 4
+#define TWL6040_HF_VOL_MASK 0x1F
+#define TWL6040_HF_VOL_SHIFT 0
+
+struct twl6040_output {
+ u16 active;
+ u16 left_vol;
+ u16 right_vol;
+ u16 left_step;
+ u16 right_step;
+ unsigned int step_delay;
+ u16 ramp;
+ u16 mute;
+ struct completion ramp_done;
+};
+
+struct twl6040_jack_data {
+ struct snd_soc_jack *jack;
+ int report;
+};
/* codec private data */
struct twl6040_data {
@@ -53,6 +85,17 @@ struct twl6040_data {
unsigned int sysclk;
struct snd_pcm_hw_constraint_list *sysclk_constraints;
struct completion ready;
+ struct twl6040_jack_data hs_jack;
+ struct snd_soc_codec *codec;
+ struct workqueue_struct *workqueue;
+ struct delayed_work delayed_work;
+ struct mutex mutex;
+ struct twl6040_output headset;
+ struct twl6040_output handsfree;
+ struct workqueue_struct *hf_workqueue;
+ struct workqueue_struct *hs_workqueue;
+ struct delayed_work hs_delayed_work;
+ struct delayed_work hf_delayed_work;
};
/*
@@ -201,7 +244,7 @@ static int twl6040_read_reg_volatile(struct snd_soc_codec *codec,
if (reg >= TWL6040_CACHEREGNUM)
return -EIO;
- twl_i2c_read_u8(TWL4030_MODULE_AUDIO_VOICE, &value, reg);
+ twl_i2c_read_u8(TWL_MODULE_AUDIO_VOICE, &value, reg);
twl6040_write_reg_cache(codec, reg, value);
return value;
@@ -217,7 +260,7 @@ static int twl6040_write(struct snd_soc_codec *codec,
return -EIO;
twl6040_write_reg_cache(codec, reg, value);
- return twl_i2c_write_u8(TWL4030_MODULE_AUDIO_VOICE, value, reg);
+ return twl_i2c_write_u8(TWL_MODULE_AUDIO_VOICE, value, reg);
}
static void twl6040_init_vio_regs(struct snd_soc_codec *codec)
@@ -254,6 +297,305 @@ static void twl6040_init_vdd_regs(struct snd_soc_codec *codec)
}
}
+/*
+ * Ramp HS PGA volume to minimise pops at stream startup and shutdown.
+ */
+static inline int twl6040_hs_ramp_step(struct snd_soc_codec *codec,
+ unsigned int left_step, unsigned int right_step)
+{
+
+ struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
+ struct twl6040_output *headset = &priv->headset;
+ int left_complete = 0, right_complete = 0;
+ u8 reg, val;
+
+ /* left channel */
+ left_step = (left_step > 0xF) ? 0xF : left_step;
+ reg = twl6040_read_reg_cache(codec, TWL6040_REG_HSGAIN);
+ val = (~reg & TWL6040_HSL_VOL_MASK);
+
+ if (headset->ramp == TWL6040_RAMP_UP) {
+ /* ramp step up */
+ if (val < headset->left_vol) {
+ val += left_step;
+ reg &= ~TWL6040_HSL_VOL_MASK;
+ twl6040_write(codec, TWL6040_REG_HSGAIN,
+ (reg | (~val & TWL6040_HSL_VOL_MASK)));
+ } else {
+ left_complete = 1;
+ }
+ } else if (headset->ramp == TWL6040_RAMP_DOWN) {
+ /* ramp step down */
+ if (val > 0x0) {
+ val -= left_step;
+ reg &= ~TWL6040_HSL_VOL_MASK;
+ twl6040_write(codec, TWL6040_REG_HSGAIN, reg |
+ (~val & TWL6040_HSL_VOL_MASK));
+ } else {
+ left_complete = 1;
+ }
+ }
+
+ /* right channel */
+ right_step = (right_step > 0xF) ? 0xF : right_step;
+ reg = twl6040_read_reg_cache(codec, TWL6040_REG_HSGAIN);
+ val = (~reg & TWL6040_HSR_VOL_MASK) >> TWL6040_HSR_VOL_SHIFT;
+
+ if (headset->ramp == TWL6040_RAMP_UP) {
+ /* ramp step up */
+ if (val < headset->right_vol) {
+ val += right_step;
+ reg &= ~TWL6040_HSR_VOL_MASK;
+ twl6040_write(codec, TWL6040_REG_HSGAIN,
+ (reg | (~val << TWL6040_HSR_VOL_SHIFT)));
+ } else {
+ right_complete = 1;
+ }
+ } else if (headset->ramp == TWL6040_RAMP_DOWN) {
+ /* ramp step down */
+ if (val > 0x0) {
+ val -= right_step;
+ reg &= ~TWL6040_HSR_VOL_MASK;
+ twl6040_write(codec, TWL6040_REG_HSGAIN,
+ reg | (~val << TWL6040_HSR_VOL_SHIFT));
+ } else {
+ right_complete = 1;
+ }
+ }
+
+ return left_complete & right_complete;
+}
+
+/*
+ * Ramp HF PGA volume to minimise pops at stream startup and shutdown.
+ */
+static inline int twl6040_hf_ramp_step(struct snd_soc_codec *codec,
+ unsigned int left_step, unsigned int right_step)
+{
+ struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
+ struct twl6040_output *handsfree = &priv->handsfree;
+ int left_complete = 0, right_complete = 0;
+ u16 reg, val;
+
+ /* left channel */
+ left_step = (left_step > 0x1D) ? 0x1D : left_step;
+ reg = twl6040_read_reg_cache(codec, TWL6040_REG_HFLGAIN);
+ reg = 0x1D - reg;
+ val = (reg & TWL6040_HF_VOL_MASK);
+ if (handsfree->ramp == TWL6040_RAMP_UP) {
+ /* ramp step up */
+ if (val < handsfree->left_vol) {
+ val += left_step;
+ reg &= ~TWL6040_HF_VOL_MASK;
+ twl6040_write(codec, TWL6040_REG_HFLGAIN,
+ reg | (0x1D - val));
+ } else {
+ left_complete = 1;
+ }
+ } else if (handsfree->ramp == TWL6040_RAMP_DOWN) {
+ /* ramp step down */
+ if (val > 0) {
+ val -= left_step;
+ reg &= ~TWL6040_HF_VOL_MASK;
+ twl6040_write(codec, TWL6040_REG_HFLGAIN,
+ reg | (0x1D - val));
+ } else {
+ left_complete = 1;
+ }
+ }
+
+ /* right channel */
+ right_step = (right_step > 0x1D) ? 0x1D : right_step;
+ reg = twl6040_read_reg_cache(codec, TWL6040_REG_HFRGAIN);
+ reg = 0x1D - reg;
+ val = (reg & TWL6040_HF_VOL_MASK);
+ if (handsfree->ramp == TWL6040_RAMP_UP) {
+ /* ramp step up */
+ if (val < handsfree->right_vol) {
+ val += right_step;
+ reg &= ~TWL6040_HF_VOL_MASK;
+ twl6040_write(codec, TWL6040_REG_HFRGAIN,
+ reg | (0x1D - val));
+ } else {
+ right_complete = 1;
+ }
+ } else if (handsfree->ramp == TWL6040_RAMP_DOWN) {
+ /* ramp step down */
+ if (val > 0) {
+ val -= right_step;
+ reg &= ~TWL6040_HF_VOL_MASK;
+ twl6040_write(codec, TWL6040_REG_HFRGAIN,
+ reg | (0x1D - val));
+ }
+ }
+
+ return left_complete & right_complete;
+}
+
+/*
+ * This work ramps both output PGAs at stream start/stop time to
+ * minimise pop associated with DAPM power switching.
+ */
+static void twl6040_pga_hs_work(struct work_struct *work)
+{
+ struct twl6040_data *priv =
+ container_of(work, struct twl6040_data, hs_delayed_work.work);
+ struct snd_soc_codec *codec = priv->codec;
+ struct twl6040_output *headset = &priv->headset;
+ unsigned int delay = headset->step_delay;
+ int i, headset_complete;
+
+ /* do we need to ramp at all ? */
+ if (headset->ramp == TWL6040_RAMP_NONE)
+ return;
+
+ /* HS PGA volumes have 4 bits of resolution to ramp */
+ for (i = 0; i <= 16; i++) {
+ headset_complete = 1;
+ if (headset->ramp != TWL6040_RAMP_NONE)
+ headset_complete = twl6040_hs_ramp_step(codec,
+ headset->left_step,
+ headset->right_step);
+
+ /* ramp finished ? */
+ if (headset_complete)
+ break;
+
+ /*
+ * TODO: tune: delay is longer over 0dB
+ * as increases are larger.
+ */
+ if (i >= 8)
+ schedule_timeout_interruptible(msecs_to_jiffies(delay +
+ (delay >> 1)));
+ else
+ schedule_timeout_interruptible(msecs_to_jiffies(delay));
+ }
+
+ if (headset->ramp == TWL6040_RAMP_DOWN) {
+ headset->active = 0;
+ complete(&headset->ramp_done);
+ } else {
+ headset->active = 1;
+ }
+ headset->ramp = TWL6040_RAMP_NONE;
+}
+
+static void twl6040_pga_hf_work(struct work_struct *work)
+{
+ struct twl6040_data *priv =
+ container_of(work, struct twl6040_data, hf_delayed_work.work);
+ struct snd_soc_codec *codec = priv->codec;
+ struct twl6040_output *handsfree = &priv->handsfree;
+ unsigned int delay = handsfree->step_delay;
+ int i, handsfree_complete;
+
+ /* do we need to ramp at all ? */
+ if (handsfree->ramp == TWL6040_RAMP_NONE)
+ return;
+
+ /* HF PGA volumes have 5 bits of resolution to ramp */
+ for (i = 0; i <= 32; i++) {
+ handsfree_complete = 1;
+ if (handsfree->ramp != TWL6040_RAMP_NONE)
+ handsfree_complete = twl6040_hf_ramp_step(codec,
+ handsfree->left_step,
+ handsfree->right_step);
+
+ /* ramp finished ? */
+ if (handsfree_complete)
+ break;
+
+ /*
+ * TODO: tune: delay is longer over 0dB
+ * as increases are larger.
+ */
+ if (i >= 16)
+ schedule_timeout_interruptible(msecs_to_jiffies(delay +
+ (delay >> 1)));
+ else
+ schedule_timeout_interruptible(msecs_to_jiffies(delay));
+ }
+
+
+ if (handsfree->ramp == TWL6040_RAMP_DOWN) {
+ handsfree->active = 0;
+ complete(&handsfree->ramp_done);
+ } else
+ handsfree->active = 1;
+ handsfree->ramp = TWL6040_RAMP_NONE;
+}
+
+static int pga_event(struct snd_soc_dapm_widget *w,
+ struct snd_kcontrol *kcontrol, int event)
+{
+ struct snd_soc_codec *codec = w->codec;
+ struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
+ struct twl6040_output *out;
+ struct delayed_work *work;
+ struct workqueue_struct *queue;
+
+ switch (w->shift) {
+ case 2:
+ case 3:
+ out = &priv->headset;
+ work = &priv->hs_delayed_work;
+ queue = priv->hs_workqueue;
+ out->step_delay = 5; /* 5 ms between volume ramp steps */
+ break;
+ case 4:
+ out = &priv->handsfree;
+ work = &priv->hf_delayed_work;
+ queue = priv->hf_workqueue;
+ out->step_delay = 5; /* 5 ms between volume ramp steps */
+ if (SND_SOC_DAPM_EVENT_ON(event))
+ priv->non_lp++;
+ else
+ priv->non_lp--;
+ break;
+ default:
+ return -1;
+ }
+
+ switch (event) {
+ case SND_SOC_DAPM_POST_PMU:
+ if (out->active)
+ break;
+
+ /* don't use volume ramp for power-up */
+ out->left_step = out->left_vol;
+ out->right_step = out->right_vol;
+
+ if (!delayed_work_pending(work)) {
+ out->ramp = TWL6040_RAMP_UP;
+ queue_delayed_work(queue, work,
+ msecs_to_jiffies(1));
+ }
+ break;
+
+ case SND_SOC_DAPM_PRE_PMD:
+ if (!out->active)
+ break;
+
+ if (!delayed_work_pending(work)) {
+ /* use volume ramp for power-down */
+ out->left_step = 1;
+ out->right_step = 1;
+ out->ramp = TWL6040_RAMP_DOWN;
+ INIT_COMPLETION(out->ramp_done);
+
+ queue_delayed_work(queue, work,
+ msecs_to_jiffies(1));
+
+ wait_for_completion_timeout(&out->ramp_done,
+ msecs_to_jiffies(2000));
+ }
+ break;
+ }
+
+ return 0;
+}
+
/* twl6040 codec manual power-up sequence */
static void twl6040_power_up(struct snd_soc_codec *codec)
{
@@ -382,6 +724,47 @@ static int twl6040_power_mode_event(struct snd_soc_dapm_widget *w,
return 0;
}
+void twl6040_hs_jack_report(struct snd_soc_codec *codec,
+ struct snd_soc_jack *jack, int report)
+{
+ struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
+ int status;
+
+ mutex_lock(&priv->mutex);
+
+ /* Sync status */
+ status = twl6040_read_reg_volatile(codec, TWL6040_REG_STATUS);
+ if (status & TWL6040_PLUGCOMP)
+ snd_soc_jack_report(jack, report, report);
+ else
+ snd_soc_jack_report(jack, 0, report);
+
+ mutex_unlock(&priv->mutex);
+}
+
+void twl6040_hs_jack_detect(struct snd_soc_codec *codec,
+ struct snd_soc_jack *jack, int report)
+{
+ struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
+ struct twl6040_jack_data *hs_jack = &priv->hs_jack;
+
+ hs_jack->jack = jack;
+ hs_jack->report = report;
+
+ twl6040_hs_jack_report(codec, hs_jack->jack, hs_jack->report);
+}
+EXPORT_SYMBOL_GPL(twl6040_hs_jack_detect);
+
+static void twl6040_accessory_work(struct work_struct *work)
+{
+ struct twl6040_data *priv = container_of(work,
+ struct twl6040_data, delayed_work.work);
+ struct snd_soc_codec *codec = priv->codec;
+ struct twl6040_jack_data *hs_jack = &priv->hs_jack;
+
+ twl6040_hs_jack_report(codec, hs_jack->jack, hs_jack->report);
+}
+
/* audio interrupt handler */
static irqreturn_t twl6040_naudint_handler(int irq, void *data)
{
@@ -389,33 +772,180 @@ static irqreturn_t twl6040_naudint_handler(int irq, void *data)
struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
u8 intid;
- twl_i2c_read_u8(TWL4030_MODULE_AUDIO_VOICE, &intid, TWL6040_REG_INTID);
+ twl_i2c_read_u8(TWL_MODULE_AUDIO_VOICE, &intid, TWL6040_REG_INTID);
- switch (intid) {
- case TWL6040_THINT:
+ if (intid & TWL6040_THINT)
dev_alert(codec->dev, "die temp over-limit detection\n");
+
+ if ((intid & TWL6040_PLUGINT) || (intid & TWL6040_UNPLUGINT))
+ queue_delayed_work(priv->workqueue, &priv->delayed_work,
+ msecs_to_jiffies(200));
+
+ if (intid & TWL6040_HOOKINT)
+ dev_info(codec->dev, "hook detection\n");
+
+ if (intid & TWL6040_HFINT)
+ dev_alert(codec->dev, "hf drivers over current detection\n");
+
+ if (intid & TWL6040_VIBINT)
+ dev_alert(codec->dev, "vib drivers over current detection\n");
+
+ if (intid & TWL6040_READYINT)
+ complete(&priv->ready);
+
+ return IRQ_HANDLED;
+}
+
+static int twl6040_put_volsw(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol)
+{
+ struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
+ struct twl6040_data *twl6040_priv = snd_soc_codec_get_drvdata(codec);
+ struct twl6040_output *out = NULL;
+ struct soc_mixer_control *mc =
+ (struct soc_mixer_control *)kcontrol->private_value;
+ int ret;
+ unsigned int reg = mc->reg;
+
+ /* For HS and HF we shadow the values and only actually write
+ * them out when active in order to ensure the amplifier comes on
+ * as quietly as possible. */
+ switch (reg) {
+ case TWL6040_REG_HSGAIN:
+ out = &twl6040_priv->headset;
break;
- case TWL6040_PLUGINT:
- case TWL6040_UNPLUGINT:
- case TWL6040_HOOKINT:
+ default:
break;
- case TWL6040_HFINT:
- dev_alert(codec->dev, "hf drivers over current detection\n");
+ }
+
+ if (out) {
+ out->left_vol = ucontrol->value.integer.value[0];
+ out->right_vol = ucontrol->value.integer.value[1];
+ if (!out->active)
+ return 1;
+ }
+
+ ret = snd_soc_put_volsw(kcontrol, ucontrol);
+ if (ret < 0)
+ return ret;
+
+ return 1;
+}
+
+static int twl6040_get_volsw(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol)
+{
+ struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
+ struct twl6040_data *twl6040_priv = snd_soc_codec_get_drvdata(codec);
+ struct twl6040_output *out = &twl6040_priv->headset;
+ struct soc_mixer_control *mc =
+ (struct soc_mixer_control *)kcontrol->private_value;
+ unsigned int reg = mc->reg;
+
+ switch (reg) {
+ case TWL6040_REG_HSGAIN:
+ out = &twl6040_priv->headset;
+ ucontrol->value.integer.value[0] = out->left_vol;
+ ucontrol->value.integer.value[1] = out->right_vol;
+ return 0;
+
+ default:
break;
- case TWL6040_VIBINT:
- dev_alert(codec->dev, "vib drivers over current detection\n");
+ }
+
+ return snd_soc_get_volsw(kcontrol, ucontrol);
+}
+
+static int twl6040_put_volsw_2r_vu(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol)
+{
+ struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
+ struct twl6040_data *twl6040_priv = snd_soc_codec_get_drvdata(codec);
+ struct twl6040_output *out = NULL;
+ struct soc_mixer_control *mc =
+ (struct soc_mixer_control *)kcontrol->private_value;
+ int ret;
+ unsigned int reg = mc->reg;
+
+ /* For HS and HF we shadow the values and only actually write
+ * them out when active in order to ensure the amplifier comes on
+ * as quietly as possible. */
+ switch (reg) {
+ case TWL6040_REG_HFLGAIN:
+ case TWL6040_REG_HFRGAIN:
+ out = &twl6040_priv->handsfree;
break;
- case TWL6040_READYINT:
- complete(&priv->ready);
+ default:
break;
+ }
+
+ if (out) {
+ out->left_vol = ucontrol->value.integer.value[0];
+ out->right_vol = ucontrol->value.integer.value[1];
+ if (!out->active)
+ return 1;
+ }
+
+ ret = snd_soc_put_volsw_2r(kcontrol, ucontrol);
+ if (ret < 0)
+ return ret;
+
+ return 1;
+}
+
+static int twl6040_get_volsw_2r(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol)
+{
+ struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
+ struct twl6040_data *twl6040_priv = snd_soc_codec_get_drvdata(codec);
+ struct twl6040_output *out = &twl6040_priv->handsfree;
+ struct soc_mixer_control *mc =
+ (struct soc_mixer_control *)kcontrol->private_value;
+ unsigned int reg = mc->reg;
+
+ /* If these are cached registers use the cache */
+ switch (reg) {
+ case TWL6040_REG_HFLGAIN:
+ case TWL6040_REG_HFRGAIN:
+ out = &twl6040_priv->handsfree;
+ ucontrol->value.integer.value[0] = out->left_vol;
+ ucontrol->value.integer.value[1] = out->right_vol;
+ return 0;
+
default:
- dev_err(codec->dev, "unknown audio interrupt %d\n", intid);
break;
}
- return IRQ_HANDLED;
+ return snd_soc_get_volsw_2r(kcontrol, ucontrol);
}
+/* double control with volume update */
+#define SOC_TWL6040_DOUBLE_TLV(xname, xreg, shift_left, shift_right, xmax,\
+ xinvert, tlv_array)\
+{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname),\
+ .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ |\
+ SNDRV_CTL_ELEM_ACCESS_READWRITE,\
+ .tlv.p = (tlv_array), \
+ .info = snd_soc_info_volsw, .get = twl6040_get_volsw, \
+ .put = twl6040_put_volsw, \
+ .private_value = (unsigned long)&(struct soc_mixer_control) \
+ {.reg = xreg, .shift = shift_left, .rshift = shift_right,\
+ .max = xmax, .platform_max = xmax, .invert = xinvert} }
+
+/* double control with volume update */
+#define SOC_TWL6040_DOUBLE_R_TLV(xname, reg_left, reg_right, xshift, xmax,\
+ xinvert, tlv_array)\
+{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname),\
+ .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ | \
+ SNDRV_CTL_ELEM_ACCESS_READWRITE | \
+ SNDRV_CTL_ELEM_ACCESS_VOLATILE, \
+ .tlv.p = (tlv_array), \
+ .info = snd_soc_info_volsw_2r, \
+ .get = twl6040_get_volsw_2r, .put = twl6040_put_volsw_2r_vu, \
+ .private_value = (unsigned long)&(struct soc_mixer_control) \
+ {.reg = reg_left, .rreg = reg_right, .shift = xshift, \
+ .rshift = xshift, .max = xmax, .invert = xinvert}, }
+
/*
* MICATT volume control:
* from -6 to 0 dB in 6 dB steps
@@ -424,9 +954,15 @@ static DECLARE_TLV_DB_SCALE(mic_preamp_tlv, -600, 600, 0);
/*
* MICGAIN volume control:
- * from 6 to 30 dB in 6 dB steps
+ * from -6 to 30 dB in 6 dB steps
*/
-static DECLARE_TLV_DB_SCALE(mic_amp_tlv, 600, 600, 0);
+static DECLARE_TLV_DB_SCALE(mic_amp_tlv, -600, 600, 0);
+
+/*
+ * AFMGAIN volume control:
+ * from 18 to 24 dB in 6 dB steps
+ */
+static DECLARE_TLV_DB_SCALE(afm_amp_tlv, 1800, 600, 0);
/*
* HSGAIN volume control:
@@ -455,8 +991,30 @@ static const char *twl6040_amicr_texts[] =
{"Headset Mic", "Sub Mic", "Aux/FM Right", "Off"};
static const struct soc_enum twl6040_enum[] = {
- SOC_ENUM_SINGLE(TWL6040_REG_MICLCTL, 3, 3, twl6040_amicl_texts),
- SOC_ENUM_SINGLE(TWL6040_REG_MICRCTL, 3, 3, twl6040_amicr_texts),
+ SOC_ENUM_SINGLE(TWL6040_REG_MICLCTL, 3, 4, twl6040_amicl_texts),
+ SOC_ENUM_SINGLE(TWL6040_REG_MICRCTL, 3, 4, twl6040_amicr_texts),
+};
+
+static const char *twl6040_hs_texts[] = {
+ "Off", "HS DAC", "Line-In amp"
+};
+
+static const struct soc_enum twl6040_hs_enum[] = {
+ SOC_ENUM_SINGLE(TWL6040_REG_HSLCTL, 5, ARRAY_SIZE(twl6040_hs_texts),
+ twl6040_hs_texts),
+ SOC_ENUM_SINGLE(TWL6040_REG_HSRCTL, 5, ARRAY_SIZE(twl6040_hs_texts),
+ twl6040_hs_texts),
+};
+
+static const char *twl6040_hf_texts[] = {
+ "Off", "HF DAC", "Line-In amp"
+};
+
+static const struct soc_enum twl6040_hf_enum[] = {
+ SOC_ENUM_SINGLE(TWL6040_REG_HFLCTL, 2, ARRAY_SIZE(twl6040_hf_texts),
+ twl6040_hf_texts),
+ SOC_ENUM_SINGLE(TWL6040_REG_HFRCTL, 2, ARRAY_SIZE(twl6040_hf_texts),
+ twl6040_hf_texts),
};
static const struct snd_kcontrol_new amicl_control =
@@ -466,18 +1024,18 @@ static const struct snd_kcontrol_new amicr_control =
SOC_DAPM_ENUM("Route", twl6040_enum[1]);
/* Headset DAC playback switches */
-static const struct snd_kcontrol_new hsdacl_switch_controls =
- SOC_DAPM_SINGLE("Switch", TWL6040_REG_HSLCTL, 5, 1, 0);
+static const struct snd_kcontrol_new hsl_mux_controls =
+ SOC_DAPM_ENUM("Route", twl6040_hs_enum[0]);
-static const struct snd_kcontrol_new hsdacr_switch_controls =
- SOC_DAPM_SINGLE("Switch", TWL6040_REG_HSRCTL, 5, 1, 0);
+static const struct snd_kcontrol_new hsr_mux_controls =
+ SOC_DAPM_ENUM("Route", twl6040_hs_enum[1]);
/* Handsfree DAC playback switches */
-static const struct snd_kcontrol_new hfdacl_switch_controls =
- SOC_DAPM_SINGLE("Switch", TWL6040_REG_HFLCTL, 2, 1, 0);
+static const struct snd_kcontrol_new hfl_mux_controls =
+ SOC_DAPM_ENUM("Route", twl6040_hf_enum[0]);
-static const struct snd_kcontrol_new hfdacr_switch_controls =
- SOC_DAPM_SINGLE("Switch", TWL6040_REG_HFRCTL, 2, 1, 0);
+static const struct snd_kcontrol_new hfr_mux_controls =
+ SOC_DAPM_ENUM("Route", twl6040_hf_enum[1]);
static const struct snd_kcontrol_new ep_driver_switch_controls =
SOC_DAPM_SINGLE("Switch", TWL6040_REG_EARCTL, 0, 1, 0);
@@ -489,10 +1047,14 @@ static const struct snd_kcontrol_new twl6040_snd_controls[] = {
SOC_DOUBLE_TLV("Capture Volume",
TWL6040_REG_MICGAIN, 0, 3, 4, 0, mic_amp_tlv),
+ /* AFM gains */
+ SOC_DOUBLE_TLV("Aux FM Volume",
+ TWL6040_REG_LINEGAIN, 0, 4, 0xF, 0, afm_amp_tlv),
+
/* Playback gains */
- SOC_DOUBLE_TLV("Headset Playback Volume",
+ SOC_TWL6040_DOUBLE_TLV("Headset Playback Volume",
TWL6040_REG_HSGAIN, 0, 4, 0xF, 1, hs_tlv),
- SOC_DOUBLE_R_TLV("Handsfree Playback Volume",
+ SOC_TWL6040_DOUBLE_R_TLV("Handsfree Playback Volume",
TWL6040_REG_HFLGAIN, TWL6040_REG_HFRGAIN, 0, 0x1D, 1, hf_tlv),
SOC_SINGLE_TLV("Earphone Playback Volume",
TWL6040_REG_EARCTL, 1, 0xF, 1, ep_tlv),
@@ -525,6 +1087,12 @@ static const struct snd_soc_dapm_widget twl6040_dapm_widgets[] = {
SND_SOC_DAPM_PGA("MicAmpR",
TWL6040_REG_MICRCTL, 0, 0, NULL, 0),
+ /* Auxiliary FM PGAs */
+ SND_SOC_DAPM_PGA("AFMAmpL",
+ TWL6040_REG_MICLCTL, 1, 0, NULL, 0),
+ SND_SOC_DAPM_PGA("AFMAmpR",
+ TWL6040_REG_MICRCTL, 1, 0, NULL, 0),
+
/* ADCs */
SND_SOC_DAPM_ADC("ADC Left", "Left Front Capture",
TWL6040_REG_MICLCTL, 2, 0),
@@ -559,29 +1127,33 @@ static const struct snd_soc_dapm_widget twl6040_dapm_widgets[] = {
twl6040_power_mode_event,
SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD),
- /* Analog playback switches */
- SND_SOC_DAPM_SWITCH("HSDAC Left Playback",
- SND_SOC_NOPM, 0, 0, &hsdacl_switch_controls),
- SND_SOC_DAPM_SWITCH("HSDAC Right Playback",
- SND_SOC_NOPM, 0, 0, &hsdacr_switch_controls),
- SND_SOC_DAPM_SWITCH("HFDAC Left Playback",
- SND_SOC_NOPM, 0, 0, &hfdacl_switch_controls),
- SND_SOC_DAPM_SWITCH("HFDAC Right Playback",
- SND_SOC_NOPM, 0, 0, &hfdacr_switch_controls),
+ SND_SOC_DAPM_MUX("HF Left Playback",
+ SND_SOC_NOPM, 0, 0, &hfl_mux_controls),
+ SND_SOC_DAPM_MUX("HF Right Playback",
+ SND_SOC_NOPM, 0, 0, &hfr_mux_controls),
+ /* Analog playback Muxes */
+ SND_SOC_DAPM_MUX("HS Left Playback",
+ SND_SOC_NOPM, 0, 0, &hsl_mux_controls),
+ SND_SOC_DAPM_MUX("HS Right Playback",
+ SND_SOC_NOPM, 0, 0, &hsr_mux_controls),
/* Analog playback drivers */
- SND_SOC_DAPM_PGA_E("Handsfree Left Driver",
+ SND_SOC_DAPM_OUT_DRV_E("Handsfree Left Driver",
TWL6040_REG_HFLCTL, 4, 0, NULL, 0,
- twl6040_power_mode_event,
- SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD),
- SND_SOC_DAPM_PGA_E("Handsfree Right Driver",
+ pga_event,
+ SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD),
+ SND_SOC_DAPM_OUT_DRV_E("Handsfree Right Driver",
TWL6040_REG_HFRCTL, 4, 0, NULL, 0,
- twl6040_power_mode_event,
- SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD),
- SND_SOC_DAPM_PGA("Headset Left Driver",
- TWL6040_REG_HSLCTL, 2, 0, NULL, 0),
- SND_SOC_DAPM_PGA("Headset Right Driver",
- TWL6040_REG_HSRCTL, 2, 0, NULL, 0),
+ pga_event,
+ SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD),
+ SND_SOC_DAPM_OUT_DRV_E("Headset Left Driver",
+ TWL6040_REG_HSLCTL, 2, 0, NULL, 0,
+ pga_event,
+ SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD),
+ SND_SOC_DAPM_OUT_DRV_E("Headset Right Driver",
+ TWL6040_REG_HSRCTL, 2, 0, NULL, 0,
+ pga_event,
+ SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD),
SND_SOC_DAPM_SWITCH_E("Earphone Driver",
SND_SOC_NOPM, 0, 0, &ep_driver_switch_controls,
twl6040_power_mode_event,
@@ -611,12 +1183,18 @@ static const struct snd_soc_dapm_route intercon[] = {
{"ADC Left", NULL, "MicAmpL"},
{"ADC Right", NULL, "MicAmpR"},
- /* Headset playback path */
- {"HSDAC Left Playback", "Switch", "HSDAC Left"},
- {"HSDAC Right Playback", "Switch", "HSDAC Right"},
+ /* AFM path */
+ {"AFMAmpL", "NULL", "AFML"},
+ {"AFMAmpR", "NULL", "AFMR"},
+
+ {"HS Left Playback", "HS DAC", "HSDAC Left"},
+ {"HS Left Playback", "Line-In amp", "AFMAmpL"},
- {"Headset Left Driver", NULL, "HSDAC Left Playback"},
- {"Headset Right Driver", NULL, "HSDAC Right Playback"},
+ {"HS Right Playback", "HS DAC", "HSDAC Right"},
+ {"HS Right Playback", "Line-In amp", "AFMAmpR"},
+
+ {"Headset Left Driver", "NULL", "HS Left Playback"},
+ {"Headset Right Driver", "NULL", "HS Right Playback"},
{"HSOL", NULL, "Headset Left Driver"},
{"HSOR", NULL, "Headset Right Driver"},
@@ -625,12 +1203,14 @@ static const struct snd_soc_dapm_route intercon[] = {
{"Earphone Driver", "Switch", "HSDAC Left"},
{"EP", NULL, "Earphone Driver"},
- /* Handsfree playback path */
- {"HFDAC Left Playback", "Switch", "HFDAC Left"},
- {"HFDAC Right Playback", "Switch", "HFDAC Right"},
+ {"HF Left Playback", "HF DAC", "HFDAC Left"},
+ {"HF Left Playback", "Line-In amp", "AFMAmpL"},
+
+ {"HF Right Playback", "HF DAC", "HFDAC Right"},
+ {"HF Right Playback", "Line-In amp", "AFMAmpR"},
- {"HFDAC Left PGA", NULL, "HFDAC Left Playback"},
- {"HFDAC Right PGA", NULL, "HFDAC Right Playback"},
+ {"HFDAC Left PGA", NULL, "HF Left Playback"},
+ {"HFDAC Right PGA", NULL, "HF Right Playback"},
{"Handsfree Left Driver", "Switch", "HFDAC Left PGA"},
{"Handsfree Right Driver", "Switch", "HFDAC Right PGA"},
@@ -641,12 +1221,12 @@ static const struct snd_soc_dapm_route intercon[] = {
static int twl6040_add_widgets(struct snd_soc_codec *codec)
{
- snd_soc_dapm_new_controls(codec, twl6040_dapm_widgets,
- ARRAY_SIZE(twl6040_dapm_widgets));
-
- snd_soc_dapm_add_routes(codec, intercon, ARRAY_SIZE(intercon));
+ struct snd_soc_dapm_context *dapm = &codec->dapm;
- snd_soc_dapm_new_widgets(codec);
+ snd_soc_dapm_new_controls(dapm, twl6040_dapm_widgets,
+ ARRAY_SIZE(twl6040_dapm_widgets));
+ snd_soc_dapm_add_routes(dapm, intercon, ARRAY_SIZE(intercon));
+ snd_soc_dapm_new_widgets(dapm);
return 0;
}
@@ -659,10 +1239,10 @@ static int twl6040_power_up_completion(struct snd_soc_codec *codec,
u8 intid;
time_left = wait_for_completion_timeout(&priv->ready,
- msecs_to_jiffies(48));
+ msecs_to_jiffies(144));
if (!time_left) {
- twl_i2c_read_u8(TWL4030_MODULE_AUDIO_VOICE, &intid,
+ twl_i2c_read_u8(TWL_MODULE_AUDIO_VOICE, &intid,
TWL6040_REG_INTID);
if (!(intid & TWL6040_READYINT)) {
dev_err(codec->dev, "timeout waiting for READYINT\n");
@@ -713,6 +1293,15 @@ static int twl6040_set_bias_level(struct snd_soc_codec *codec,
/* initialize vdd/vss registers with reg_cache */
twl6040_init_vdd_regs(codec);
+
+ /* Set external boost GPO */
+ twl6040_write(codec, TWL6040_REG_GPOCTL, 0x02);
+
+ /* Set initial minimal gain values */
+ twl6040_write(codec, TWL6040_REG_HSGAIN, 0xFF);
+ twl6040_write(codec, TWL6040_REG_EARCTL, 0x1E);
+ twl6040_write(codec, TWL6040_REG_HFLGAIN, 0x1D);
+ twl6040_write(codec, TWL6040_REG_HFRGAIN, 0x1D);
break;
case SND_SOC_BIAS_OFF:
if (!priv->codec_powered)
@@ -739,7 +1328,7 @@ static int twl6040_set_bias_level(struct snd_soc_codec *codec,
break;
}
- codec->bias_level = level;
+ codec->dapm.bias_level = level;
return 0;
}
@@ -772,23 +1361,6 @@ static int twl6040_startup(struct snd_pcm_substream *substream,
struct snd_soc_codec *codec = rtd->codec;
struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
- if (!priv->sysclk) {
- dev_err(codec->dev,
- "no mclk configured, call set_sysclk() on init\n");
- return -EINVAL;
- }
-
- /*
- * capture is not supported at 17.64 MHz,
- * it's reserved for headset low-power playback scenario
- */
- if ((priv->sysclk == 17640000) && substream->stream) {
- dev_err(codec->dev,
- "capture mode is not supported at %dHz\n",
- priv->sysclk);
- return -EINVAL;
- }
-
snd_pcm_hw_constraint_list(substream->runtime, 0,
SNDRV_PCM_HW_PARAM_RATE,
priv->sysclk_constraints);
@@ -814,10 +1386,17 @@ static int twl6040_hw_params(struct snd_pcm_substream *substream,
rate = params_rate(params);
switch (rate) {
+ case 11250:
+ case 22500:
+ case 44100:
case 88200:
lppllctl |= TWL6040_LPLLFIN;
priv->sysclk = 17640000;
break;
+ case 8000:
+ case 16000:
+ case 32000:
+ case 48000:
case 96000:
lppllctl &= ~TWL6040_LPLLFIN;
priv->sysclk = 19200000;
@@ -832,31 +1411,37 @@ static int twl6040_hw_params(struct snd_pcm_substream *substream,
return 0;
}
-static int twl6040_trigger(struct snd_pcm_substream *substream,
- int cmd, struct snd_soc_dai *dai)
+static int twl6040_prepare(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 twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
- switch (cmd) {
- case SNDRV_PCM_TRIGGER_START:
- case SNDRV_PCM_TRIGGER_RESUME:
- /*
- * low-power playback mode is restricted
- * for headset path only
- */
- if ((priv->sysclk == 17640000) && priv->non_lp) {
+ if (!priv->sysclk) {
+ dev_err(codec->dev,
+ "no mclk configured, call set_sysclk() on init\n");
+ return -EINVAL;
+ }
+
+ /*
+ * capture is not supported at 17.64 MHz,
+ * it's reserved for headset low-power playback scenario
+ */
+ if ((priv->sysclk == 17640000) &&
+ substream->stream == SNDRV_PCM_STREAM_CAPTURE) {
+ dev_err(codec->dev,
+ "capture mode is not supported at %dHz\n",
+ priv->sysclk);
+ return -EINVAL;
+ }
+
+ if ((priv->sysclk == 17640000) && priv->non_lp) {
dev_err(codec->dev,
"some enabled paths aren't supported at %dHz\n",
priv->sysclk);
return -EPERM;
- }
- break;
- default:
- break;
}
-
return 0;
}
@@ -970,7 +1555,7 @@ static int twl6040_set_dai_sysclk(struct snd_soc_dai *codec_dai,
static struct snd_soc_dai_ops twl6040_dai_ops = {
.startup = twl6040_startup,
.hw_params = twl6040_hw_params,
- .trigger = twl6040_trigger,
+ .prepare = twl6040_prepare,
.set_sysclk = twl6040_set_dai_sysclk,
};
@@ -1004,6 +1589,7 @@ static int twl6040_suspend(struct snd_soc_codec *codec, pm_message_t state)
static int twl6040_resume(struct snd_soc_codec *codec)
{
twl6040_set_bias_level(codec, SND_SOC_BIAS_STANDBY);
+ twl6040_set_bias_level(codec, codec->dapm.suspend_bias_level);
return 0;
}
@@ -1018,24 +1604,41 @@ static int twl6040_probe(struct snd_soc_codec *codec)
struct twl6040_data *priv;
int audpwron, naudint;
int ret = 0;
+ u8 icrev, intmr = TWL6040_ALLINT_MSK;
priv = kzalloc(sizeof(struct twl6040_data), GFP_KERNEL);
if (priv == NULL)
return -ENOMEM;
snd_soc_codec_set_drvdata(codec, priv);
- if (twl_codec) {
+ priv->codec = codec;
+
+ twl_i2c_read_u8(TWL_MODULE_AUDIO_VOICE, &icrev, TWL6040_REG_ASICREV);
+
+ if (twl_codec && (icrev > 0))
audpwron = twl_codec->audpwron_gpio;
- naudint = twl_codec->naudint_irq;
- } else {
+ else
audpwron = -EINVAL;
+
+ if (twl_codec)
+ naudint = twl_codec->naudint_irq;
+ else
naudint = 0;
- }
priv->audpwron = audpwron;
priv->naudint = naudint;
+ priv->workqueue = create_singlethread_workqueue("twl6040-codec");
+
+ if (!priv->workqueue)
+ goto work_err;
+
+ INIT_DELAYED_WORK(&priv->delayed_work, twl6040_accessory_work);
+
+ mutex_init(&priv->mutex);
init_completion(&priv->ready);
+ init_completion(&priv->headset.ramp_done);
+ init_completion(&priv->handsfree.ramp_done);
if (gpio_is_valid(audpwron)) {
ret = gpio_request(audpwron, "audpwron");
@@ -1047,7 +1650,14 @@ static int twl6040_probe(struct snd_soc_codec *codec)
goto gpio2_err;
priv->codec_powered = 0;
+
+ /* enable only codec ready interrupt */
+ intmr &= ~(TWL6040_READYMSK | TWL6040_PLUGMSK);
+
+ /* reset interrupt status to allow correct power up sequence */
+ twl6040_read_reg_volatile(codec, TWL6040_REG_INTID);
}
+ twl6040_write(codec, TWL6040_REG_INTMR, intmr);
if (naudint) {
/* audio interrupt */
@@ -1057,25 +1667,29 @@ static int twl6040_probe(struct snd_soc_codec *codec)
"twl6040_codec", codec);
if (ret)
goto gpio2_err;
- } else {
- if (gpio_is_valid(audpwron)) {
- /* enable only codec ready interrupt */
- twl6040_write_reg_cache(codec, TWL6040_REG_INTMR,
- ~TWL6040_READYMSK & TWL6040_ALLINT_MSK);
- } else {
- /* no interrupts at all */
- twl6040_write_reg_cache(codec, TWL6040_REG_INTMR,
- TWL6040_ALLINT_MSK);
- }
}
/* init vio registers */
twl6040_init_vio_regs(codec);
+ priv->hf_workqueue = create_singlethread_workqueue("twl6040-hf");
+ if (priv->hf_workqueue == NULL) {
+ ret = -ENOMEM;
+ goto irq_err;
+ }
+ priv->hs_workqueue = create_singlethread_workqueue("twl6040-hs");
+ if (priv->hs_workqueue == NULL) {
+ ret = -ENOMEM;
+ goto wq_err;
+ }
+
+ INIT_DELAYED_WORK(&priv->hs_delayed_work, twl6040_pga_hs_work);
+ INIT_DELAYED_WORK(&priv->hf_delayed_work, twl6040_pga_hf_work);
+
/* power on device */
ret = twl6040_set_bias_level(codec, SND_SOC_BIAS_STANDBY);
if (ret)
- goto irq_err;
+ goto bias_err;
snd_soc_add_controls(codec, twl6040_snd_controls,
ARRAY_SIZE(twl6040_snd_controls));
@@ -1083,6 +1697,10 @@ static int twl6040_probe(struct snd_soc_codec *codec)
return 0;
+bias_err:
+ destroy_workqueue(priv->hs_workqueue);
+wq_err:
+ destroy_workqueue(priv->hf_workqueue);
irq_err:
if (naudint)
free_irq(naudint, codec);
@@ -1090,6 +1708,8 @@ gpio2_err:
if (gpio_is_valid(audpwron))
gpio_free(audpwron);
gpio1_err:
+ destroy_workqueue(priv->workqueue);
+work_err:
kfree(priv);
return ret;
}
@@ -1108,6 +1728,9 @@ static int twl6040_remove(struct snd_soc_codec *codec)
if (naudint)
free_irq(naudint, codec);
+ destroy_workqueue(priv->workqueue);
+ destroy_workqueue(priv->hf_workqueue);
+ destroy_workqueue(priv->hs_workqueue);
kfree(priv);
return 0;
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