summaryrefslogtreecommitdiffstats
path: root/sound/soc/soc-dapm.c
diff options
context:
space:
mode:
Diffstat (limited to 'sound/soc/soc-dapm.c')
-rw-r--r--sound/soc/soc-dapm.c252
1 files changed, 180 insertions, 72 deletions
diff --git a/sound/soc/soc-dapm.c b/sound/soc/soc-dapm.c
index c17c14c..dc8ff13 100644
--- a/sound/soc/soc-dapm.c
+++ b/sound/soc/soc-dapm.c
@@ -59,31 +59,31 @@ snd_soc_dapm_new_control(struct snd_soc_dapm_context *dapm,
/* dapm power sequences - make this per codec in the future */
static int dapm_up_seq[] = {
[snd_soc_dapm_pre] = 0,
- [snd_soc_dapm_supply] = 1,
[snd_soc_dapm_regulator_supply] = 1,
[snd_soc_dapm_clock_supply] = 1,
- [snd_soc_dapm_micbias] = 2,
+ [snd_soc_dapm_supply] = 2,
+ [snd_soc_dapm_micbias] = 3,
[snd_soc_dapm_dai_link] = 2,
- [snd_soc_dapm_dai_in] = 3,
- [snd_soc_dapm_dai_out] = 3,
- [snd_soc_dapm_aif_in] = 3,
- [snd_soc_dapm_aif_out] = 3,
- [snd_soc_dapm_mic] = 4,
- [snd_soc_dapm_mux] = 5,
- [snd_soc_dapm_virt_mux] = 5,
- [snd_soc_dapm_value_mux] = 5,
- [snd_soc_dapm_dac] = 6,
- [snd_soc_dapm_switch] = 7,
- [snd_soc_dapm_mixer] = 7,
- [snd_soc_dapm_mixer_named_ctl] = 7,
- [snd_soc_dapm_pga] = 8,
- [snd_soc_dapm_adc] = 9,
- [snd_soc_dapm_out_drv] = 10,
- [snd_soc_dapm_hp] = 10,
- [snd_soc_dapm_spk] = 10,
- [snd_soc_dapm_line] = 10,
- [snd_soc_dapm_kcontrol] = 11,
- [snd_soc_dapm_post] = 12,
+ [snd_soc_dapm_dai_in] = 4,
+ [snd_soc_dapm_dai_out] = 4,
+ [snd_soc_dapm_aif_in] = 4,
+ [snd_soc_dapm_aif_out] = 4,
+ [snd_soc_dapm_mic] = 5,
+ [snd_soc_dapm_mux] = 6,
+ [snd_soc_dapm_virt_mux] = 6,
+ [snd_soc_dapm_value_mux] = 6,
+ [snd_soc_dapm_dac] = 7,
+ [snd_soc_dapm_switch] = 8,
+ [snd_soc_dapm_mixer] = 8,
+ [snd_soc_dapm_mixer_named_ctl] = 8,
+ [snd_soc_dapm_pga] = 9,
+ [snd_soc_dapm_adc] = 10,
+ [snd_soc_dapm_out_drv] = 11,
+ [snd_soc_dapm_hp] = 11,
+ [snd_soc_dapm_spk] = 11,
+ [snd_soc_dapm_line] = 11,
+ [snd_soc_dapm_kcontrol] = 12,
+ [snd_soc_dapm_post] = 13,
};
static int dapm_down_seq[] = {
@@ -109,10 +109,10 @@ static int dapm_down_seq[] = {
[snd_soc_dapm_dai_in] = 10,
[snd_soc_dapm_dai_out] = 10,
[snd_soc_dapm_dai_link] = 11,
- [snd_soc_dapm_clock_supply] = 12,
- [snd_soc_dapm_regulator_supply] = 12,
[snd_soc_dapm_supply] = 12,
- [snd_soc_dapm_post] = 13,
+ [snd_soc_dapm_clock_supply] = 13,
+ [snd_soc_dapm_regulator_supply] = 13,
+ [snd_soc_dapm_post] = 14,
};
static void pop_wait(u32 pop_time)
@@ -371,12 +371,16 @@ static void dapm_reset(struct snd_soc_card *card)
}
}
-static int soc_widget_read(struct snd_soc_dapm_widget *w, int reg)
+static int soc_widget_read(struct snd_soc_dapm_widget *w, int reg,
+ unsigned int *value)
{
- if (w->codec)
- return snd_soc_read(w->codec, reg);
- else if (w->platform)
- return snd_soc_platform_read(w->platform, reg);
+ if (w->codec) {
+ *value = snd_soc_read(w->codec, reg);
+ return 0;
+ } else if (w->platform) {
+ *value = snd_soc_platform_read(w->platform, reg);
+ return 0;
+ }
dev_err(w->dapm->dev, "ASoC: no valid widget read method\n");
return -1;
@@ -409,6 +413,12 @@ static inline void soc_widget_unlock(struct snd_soc_dapm_widget *w)
mutex_unlock(&w->platform->mutex);
}
+static void soc_dapm_async_complete(struct snd_soc_dapm_context *dapm)
+{
+ if (dapm->codec && dapm->codec->using_regmap)
+ regmap_async_complete(dapm->codec->control_data);
+}
+
static int soc_widget_update_bits_locked(struct snd_soc_dapm_widget *w,
unsigned short reg, unsigned int mask, unsigned int value)
{
@@ -417,19 +427,19 @@ static int soc_widget_update_bits_locked(struct snd_soc_dapm_widget *w,
int ret;
if (w->codec && w->codec->using_regmap) {
- ret = regmap_update_bits_check(w->codec->control_data,
- reg, mask, value, &change);
+ ret = regmap_update_bits_check_async(w->codec->control_data,
+ reg, mask, value,
+ &change);
if (ret != 0)
return ret;
} else {
soc_widget_lock(w);
- ret = soc_widget_read(w, reg);
+ ret = soc_widget_read(w, reg, &old);
if (ret < 0) {
soc_widget_unlock(w);
return ret;
}
- old = ret;
new = (old & ~mask) | (value & mask);
change = old != new;
if (change) {
@@ -499,18 +509,22 @@ static void dapm_set_path_status(struct snd_soc_dapm_widget *w,
int val;
struct soc_mixer_control *mc = (struct soc_mixer_control *)
w->kcontrol_news[i].private_value;
- unsigned int reg = mc->reg;
+ int reg = mc->reg;
unsigned int shift = mc->shift;
int max = mc->max;
unsigned int mask = (1 << fls(max)) - 1;
unsigned int invert = mc->invert;
- val = soc_widget_read(w, reg);
- val = (val >> shift) & mask;
- if (invert)
- val = max - val;
+ if (reg != SND_SOC_NOPM) {
+ soc_widget_read(w, reg, &val);
+ val = (val >> shift) & mask;
+ if (invert)
+ val = max - val;
+ p->connect = !!val;
+ } else {
+ p->connect = 0;
+ }
- p->connect = !!val;
}
break;
case snd_soc_dapm_mux: {
@@ -518,7 +532,7 @@ static void dapm_set_path_status(struct snd_soc_dapm_widget *w,
w->kcontrol_news[i].private_value;
int val, item;
- val = soc_widget_read(w, e->reg);
+ soc_widget_read(w, e->reg, &val);
item = (val >> e->shift_l) & e->mask;
if (item < e->max && !strcmp(p->name, e->texts[item]))
@@ -547,7 +561,7 @@ static void dapm_set_path_status(struct snd_soc_dapm_widget *w,
w->kcontrol_news[i].private_value;
int val, item;
- val = soc_widget_read(w, e->reg);
+ soc_widget_read(w, e->reg, &val);
val = (val >> e->shift_l) & e->mask;
for (item = 0; item < e->max; item++) {
if (val == e->values[item])
@@ -1197,6 +1211,8 @@ int dapm_regulator_event(struct snd_soc_dapm_widget *w,
{
int ret;
+ soc_dapm_async_complete(w->dapm);
+
if (SND_SOC_DAPM_EVENT_ON(event)) {
if (w->on_val & SND_SOC_DAPM_REGULATOR_BYPASS) {
ret = regulator_allow_bypass(w->regulator, false);
@@ -1230,6 +1246,8 @@ int dapm_clock_event(struct snd_soc_dapm_widget *w,
if (!w->clk)
return -EIO;
+ soc_dapm_async_complete(w->dapm);
+
#ifdef CONFIG_HAVE_CLK
if (SND_SOC_DAPM_EVENT_ON(event)) {
return clk_prepare_enable(w->clk);
@@ -1412,7 +1430,7 @@ static void dapm_seq_check_event(struct snd_soc_card *card,
power = 0;
break;
default:
- BUG();
+ WARN(1, "Unknown event %d\n", event);
return;
}
@@ -1422,6 +1440,7 @@ static void dapm_seq_check_event(struct snd_soc_card *card,
if (w->event && (w->event_flags & event)) {
pop_dbg(w->dapm->dev, card->pop_time, "pop test : %s %s\n",
w->name, ev_name);
+ soc_dapm_async_complete(w->dapm);
trace_snd_soc_dapm_widget_event_start(w, event);
ret = w->event(w, NULL, event);
trace_snd_soc_dapm_widget_event_done(w, event);
@@ -1444,7 +1463,7 @@ static void dapm_seq_run_coalesced(struct snd_soc_card *card,
power_list)->reg;
list_for_each_entry(w, pending, power_list) {
- BUG_ON(reg != w->reg);
+ WARN_ON(reg != w->reg);
w->power = w->new_power;
mask |= w->mask << w->shift;
@@ -1494,6 +1513,7 @@ static void dapm_seq_run(struct snd_soc_card *card,
struct list_head *list, int event, bool power_up)
{
struct snd_soc_dapm_widget *w, *n;
+ struct snd_soc_dapm_context *d;
LIST_HEAD(pending);
int cur_sort = -1;
int cur_subseq = -1;
@@ -1524,6 +1544,9 @@ static void dapm_seq_run(struct snd_soc_card *card,
cur_subseq);
}
+ if (cur_dapm && w->dapm != cur_dapm)
+ soc_dapm_async_complete(cur_dapm);
+
INIT_LIST_HEAD(&pending);
cur_sort = -1;
cur_subseq = INT_MIN;
@@ -1582,6 +1605,10 @@ static void dapm_seq_run(struct snd_soc_card *card,
cur_dapm->seq_notifier(cur_dapm,
i, cur_subseq);
}
+
+ list_for_each_entry(d, &card->dapm_list, list) {
+ soc_dapm_async_complete(d);
+ }
}
static void dapm_widget_update(struct snd_soc_card *card)
@@ -1840,6 +1867,7 @@ static int dapm_power_widgets(struct snd_soc_card *card, int event)
*/
switch (w->id) {
case snd_soc_dapm_siggen:
+ case snd_soc_dapm_vmid:
break;
case snd_soc_dapm_supply:
case snd_soc_dapm_regulator_supply:
@@ -1949,7 +1977,7 @@ static ssize_t dapm_widget_power_read_file(struct file *file,
w->active ? "active" : "inactive");
list_for_each_entry(p, &w->sources, list_sink) {
- if (p->connected && !p->connected(w, p->sink))
+ if (p->connected && !p->connected(w, p->source))
continue;
if (p->connect)
@@ -2001,7 +2029,7 @@ static ssize_t dapm_bias_read_file(struct file *file, char __user *user_buf,
level = "Off\n";
break;
default:
- BUG();
+ WARN(1, "Unknown bias_level %d\n", dapm->bias_level);
level = "Unknown\n";
break;
}
@@ -2448,7 +2476,8 @@ err:
}
static int snd_soc_dapm_add_route(struct snd_soc_dapm_context *dapm,
- const struct snd_soc_dapm_route *route)
+ const struct snd_soc_dapm_route *route,
+ unsigned int is_prefixed)
{
struct snd_soc_dapm_widget *wsource = NULL, *wsink = NULL, *w;
struct snd_soc_dapm_widget *wtsource = NULL, *wtsink = NULL;
@@ -2458,7 +2487,7 @@ static int snd_soc_dapm_add_route(struct snd_soc_dapm_context *dapm,
char prefixed_source[80];
int ret;
- if (dapm->codec && dapm->codec->name_prefix) {
+ if (dapm->codec && dapm->codec->name_prefix && !is_prefixed) {
snprintf(prefixed_sink, sizeof(prefixed_sink), "%s %s",
dapm->codec->name_prefix, route->sink);
sink = prefixed_sink;
@@ -2586,7 +2615,7 @@ int snd_soc_dapm_add_routes(struct snd_soc_dapm_context *dapm,
mutex_lock_nested(&dapm->card->dapm_mutex, SND_SOC_DAPM_CLASS_INIT);
for (i = 0; i < num; i++) {
- r = snd_soc_dapm_add_route(dapm, route);
+ r = snd_soc_dapm_add_route(dapm, route, false);
if (r < 0) {
dev_err(dapm->dev, "ASoC: Failed to add route %s -> %s -> %s\n",
route->source,
@@ -2757,7 +2786,8 @@ int snd_soc_dapm_new_widgets(struct snd_soc_card *card)
/* Read the initial power state from the device */
if (w->reg >= 0) {
- val = soc_widget_read(w, w->reg) >> w->shift;
+ soc_widget_read(w, w->reg, &val);
+ val = val >> w->shift;
val &= w->mask;
if (val == w->on_val)
w->power = 1;
@@ -2791,7 +2821,7 @@ int snd_soc_dapm_get_volsw(struct snd_kcontrol *kcontrol,
struct snd_soc_card *card = codec->card;
struct soc_mixer_control *mc =
(struct soc_mixer_control *)kcontrol->private_value;
- unsigned int reg = mc->reg;
+ int reg = mc->reg;
unsigned int shift = mc->shift;
int max = mc->max;
unsigned int mask = (1 << fls(max)) - 1;
@@ -2804,7 +2834,7 @@ int snd_soc_dapm_get_volsw(struct snd_kcontrol *kcontrol,
kcontrol->id.name);
mutex_lock_nested(&card->dapm_mutex, SND_SOC_DAPM_CLASS_RUNTIME);
- if (dapm_kcontrol_is_powered(kcontrol))
+ if (dapm_kcontrol_is_powered(kcontrol) && reg != SND_SOC_NOPM)
val = (snd_soc_read(codec, reg) >> shift) & mask;
else
val = dapm_kcontrol_get_value(kcontrol);
@@ -2835,7 +2865,7 @@ int snd_soc_dapm_put_volsw(struct snd_kcontrol *kcontrol,
struct snd_soc_card *card = codec->card;
struct soc_mixer_control *mc =
(struct soc_mixer_control *)kcontrol->private_value;
- unsigned int reg = mc->reg;
+ int reg = mc->reg;
unsigned int shift = mc->shift;
int max = mc->max;
unsigned int mask = (1 << fls(max)) - 1;
@@ -2843,6 +2873,7 @@ int snd_soc_dapm_put_volsw(struct snd_kcontrol *kcontrol,
unsigned int val;
int connect, change;
struct snd_soc_dapm_update update;
+ int ret = 0;
if (snd_soc_volsw_is_stereo(mc))
dev_warn(codec->dapm.dev,
@@ -2857,26 +2888,35 @@ int snd_soc_dapm_put_volsw(struct snd_kcontrol *kcontrol,
mutex_lock_nested(&card->dapm_mutex, SND_SOC_DAPM_CLASS_RUNTIME);
- dapm_kcontrol_set_value(kcontrol, val);
+ change = dapm_kcontrol_set_value(kcontrol, val);
+
+ if (reg != SND_SOC_NOPM) {
+ mask = mask << shift;
+ val = val << shift;
- mask = mask << shift;
- val = val << shift;
+ change = snd_soc_test_bits(codec, reg, mask, val);
+ }
- change = snd_soc_test_bits(codec, reg, mask, val);
if (change) {
- update.kcontrol = kcontrol;
- update.reg = reg;
- update.mask = mask;
- update.val = val;
+ if (reg != SND_SOC_NOPM) {
+ update.kcontrol = kcontrol;
+ update.reg = reg;
+ update.mask = mask;
+ update.val = val;
- card->update = &update;
+ card->update = &update;
+ }
- soc_dapm_mixer_update_power(card, kcontrol, connect);
+ ret = soc_dapm_mixer_update_power(card, kcontrol, connect);
card->update = NULL;
}
mutex_unlock(&card->dapm_mutex);
+
+ if (ret > 0)
+ soc_dpcm_runtime_update(card);
+
return change;
}
EXPORT_SYMBOL_GPL(snd_soc_dapm_put_volsw);
@@ -2925,6 +2965,7 @@ int snd_soc_dapm_put_enum_double(struct snd_kcontrol *kcontrol,
unsigned int val, mux, change;
unsigned int mask;
struct snd_soc_dapm_update update;
+ int ret = 0;
if (ucontrol->value.enumerated.item[0] > e->max - 1)
return -EINVAL;
@@ -2948,12 +2989,16 @@ int snd_soc_dapm_put_enum_double(struct snd_kcontrol *kcontrol,
update.val = val;
card->update = &update;
- soc_dapm_mux_update_power(card, kcontrol, mux, e);
+ ret = soc_dapm_mux_update_power(card, kcontrol, mux, e);
card->update = NULL;
}
mutex_unlock(&card->dapm_mutex);
+
+ if (ret > 0)
+ soc_dpcm_runtime_update(card);
+
return change;
}
EXPORT_SYMBOL_GPL(snd_soc_dapm_put_enum_double);
@@ -2989,6 +3034,7 @@ int snd_soc_dapm_put_enum_virt(struct snd_kcontrol *kcontrol,
struct soc_enum *e =
(struct soc_enum *)kcontrol->private_value;
int change;
+ int ret = 0;
if (ucontrol->value.enumerated.item[0] >= e->max)
return -EINVAL;
@@ -2998,9 +3044,13 @@ int snd_soc_dapm_put_enum_virt(struct snd_kcontrol *kcontrol,
value = ucontrol->value.enumerated.item[0];
change = dapm_kcontrol_set_value(kcontrol, value);
if (change)
- soc_dapm_mux_update_power(card, kcontrol, value, e);
+ ret = soc_dapm_mux_update_power(card, kcontrol, value, e);
mutex_unlock(&card->dapm_mutex);
+
+ if (ret > 0)
+ soc_dpcm_runtime_update(card);
+
return change;
}
EXPORT_SYMBOL_GPL(snd_soc_dapm_put_enum_virt);
@@ -3067,6 +3117,7 @@ int snd_soc_dapm_put_value_enum_double(struct snd_kcontrol *kcontrol,
unsigned int val, mux, change;
unsigned int mask;
struct snd_soc_dapm_update update;
+ int ret = 0;
if (ucontrol->value.enumerated.item[0] > e->max - 1)
return -EINVAL;
@@ -3090,12 +3141,16 @@ int snd_soc_dapm_put_value_enum_double(struct snd_kcontrol *kcontrol,
update.val = val;
card->update = &update;
- soc_dapm_mux_update_power(card, kcontrol, mux, e);
+ ret = soc_dapm_mux_update_power(card, kcontrol, mux, e);
card->update = NULL;
}
mutex_unlock(&card->dapm_mutex);
+
+ if (ret > 0)
+ soc_dpcm_runtime_update(card);
+
return change;
}
EXPORT_SYMBOL_GPL(snd_soc_dapm_put_value_enum_double);
@@ -3329,8 +3384,9 @@ static int snd_soc_dai_link_event(struct snd_soc_dapm_widget *w,
u64 fmt;
int ret;
- BUG_ON(!config);
- BUG_ON(list_empty(&w->sources) || list_empty(&w->sinks));
+ if (WARN_ON(!config) ||
+ WARN_ON(list_empty(&w->sources) || list_empty(&w->sinks)))
+ return -EINVAL;
/* We only support a single source and sink, pick the first */
source_p = list_first_entry(&w->sources, struct snd_soc_dapm_path,
@@ -3338,9 +3394,10 @@ static int snd_soc_dai_link_event(struct snd_soc_dapm_widget *w,
sink_p = list_first_entry(&w->sinks, struct snd_soc_dapm_path,
list_source);
- BUG_ON(!source_p || !sink_p);
- BUG_ON(!sink_p->source || !source_p->sink);
- BUG_ON(!source_p->source || !sink_p->sink);
+ if (WARN_ON(!source_p || !sink_p) ||
+ WARN_ON(!sink_p->source || !source_p->sink) ||
+ WARN_ON(!source_p->source || !sink_p->sink))
+ return -EINVAL;
source = source_p->source->priv;
sink = sink_p->sink->priv;
@@ -3416,7 +3473,7 @@ static int snd_soc_dai_link_event(struct snd_soc_dapm_widget *w,
break;
default:
- BUG();
+ WARN(1, "Unknown event %d\n", event);
return -EINVAL;
}
@@ -3495,6 +3552,7 @@ int snd_soc_dapm_new_dai_widgets(struct snd_soc_dapm_context *dapm,
if (!w) {
dev_err(dapm->dev, "ASoC: Failed to create %s widget\n",
dai->driver->playback.stream_name);
+ return -ENOMEM;
}
w->priv = dai;
@@ -3513,6 +3571,7 @@ int snd_soc_dapm_new_dai_widgets(struct snd_soc_dapm_context *dapm,
if (!w) {
dev_err(dapm->dev, "ASoC: Failed to create %s widget\n",
dai->driver->capture.stream_name);
+ return -ENOMEM;
}
w->priv = dai;
@@ -3580,6 +3639,55 @@ int snd_soc_dapm_link_dai_widgets(struct snd_soc_card *card)
return 0;
}
+void snd_soc_dapm_connect_dai_link_widgets(struct snd_soc_card *card)
+{
+ struct snd_soc_pcm_runtime *rtd = card->rtd;
+ struct snd_soc_dai *cpu_dai, *codec_dai;
+ struct snd_soc_dapm_route r;
+ int i;
+
+ memset(&r, 0, sizeof(r));
+
+ /* for each BE DAI link... */
+ for (i = 0; i < card->num_rtd; i++) {
+ rtd = &card->rtd[i];
+ cpu_dai = rtd->cpu_dai;
+ codec_dai = rtd->codec_dai;
+
+ /* dynamic FE links have no fixed DAI mapping */
+ if (rtd->dai_link->dynamic)
+ continue;
+
+ /* there is no point in connecting BE DAI links with dummies */
+ if (snd_soc_dai_is_dummy(codec_dai) ||
+ snd_soc_dai_is_dummy(cpu_dai))
+ continue;
+
+ /* connect BE DAI playback if widgets are valid */
+ if (codec_dai->playback_widget && cpu_dai->playback_widget) {
+ r.source = cpu_dai->playback_widget->name;
+ r.sink = codec_dai->playback_widget->name;
+ dev_dbg(rtd->dev, "connected DAI link %s:%s -> %s:%s\n",
+ cpu_dai->codec->name, r.source,
+ codec_dai->platform->name, r.sink);
+
+ snd_soc_dapm_add_route(&card->dapm, &r, true);
+ }
+
+ /* connect BE DAI capture if widgets are valid */
+ if (codec_dai->capture_widget && cpu_dai->capture_widget) {
+ r.source = codec_dai->capture_widget->name;
+ r.sink = cpu_dai->capture_widget->name;
+ dev_dbg(rtd->dev, "connected DAI link %s:%s -> %s:%s\n",
+ codec_dai->codec->name, r.source,
+ cpu_dai->platform->name, r.sink);
+
+ snd_soc_dapm_add_route(&card->dapm, &r, true);
+ }
+
+ }
+}
+
static void soc_dapm_stream_event(struct snd_soc_pcm_runtime *rtd, int stream,
int event)
{
OpenPOWER on IntegriCloud