ASoC: au1x: convert to platform drivers.
[safe/jmp/linux-2.6] / sound / soc / soc-dapm.c
index 5cfc909..eaadb4b 100644 (file)
@@ -37,6 +37,7 @@
 #include <linux/bitops.h>
 #include <linux/platform_device.h>
 #include <linux/jiffies.h>
+#include <linux/debugfs.h>
 #include <sound/core.h>
 #include <sound/pcm.h>
 #include <sound/pcm_params.h>
@@ -55,17 +56,19 @@ static int dapm_up_seq[] = {
        [snd_soc_dapm_pre] = 0,
        [snd_soc_dapm_supply] = 1,
        [snd_soc_dapm_micbias] = 2,
-       [snd_soc_dapm_mic] = 3,
-       [snd_soc_dapm_mux] = 4,
-       [snd_soc_dapm_value_mux] = 4,
-       [snd_soc_dapm_dac] = 5,
-       [snd_soc_dapm_mixer] = 6,
-       [snd_soc_dapm_mixer_named_ctl] = 6,
-       [snd_soc_dapm_pga] = 7,
-       [snd_soc_dapm_adc] = 8,
-       [snd_soc_dapm_hp] = 9,
-       [snd_soc_dapm_spk] = 9,
-       [snd_soc_dapm_post] = 10,
+       [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_value_mux] = 5,
+       [snd_soc_dapm_dac] = 6,
+       [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_hp] = 10,
+       [snd_soc_dapm_spk] = 10,
+       [snd_soc_dapm_post] = 11,
 };
 
 static int dapm_down_seq[] = {
@@ -81,8 +84,10 @@ static int dapm_down_seq[] = {
        [snd_soc_dapm_micbias] = 8,
        [snd_soc_dapm_mux] = 9,
        [snd_soc_dapm_value_mux] = 9,
-       [snd_soc_dapm_supply] = 10,
-       [snd_soc_dapm_post] = 11,
+       [snd_soc_dapm_aif_in] = 10,
+       [snd_soc_dapm_aif_out] = 10,
+       [snd_soc_dapm_supply] = 11,
+       [snd_soc_dapm_post] = 12,
 };
 
 static void pop_wait(u32 pop_time)
@@ -228,6 +233,8 @@ static void dapm_set_path_status(struct snd_soc_dapm_widget *w,
        case snd_soc_dapm_micbias:
        case snd_soc_dapm_vmid:
        case snd_soc_dapm_supply:
+       case snd_soc_dapm_aif_in:
+       case snd_soc_dapm_aif_out:
                p->connect = 1;
        break;
        /* does effect routing - dynamically connected */
@@ -501,8 +508,14 @@ static int is_connected_output_ep(struct snd_soc_dapm_widget *widget)
        if (widget->id == snd_soc_dapm_supply)
                return 0;
 
-       if (widget->id == snd_soc_dapm_adc && widget->active)
-               return 1;
+       switch (widget->id) {
+       case snd_soc_dapm_adc:
+       case snd_soc_dapm_aif_out:
+               if (widget->active)
+                       return 1;
+       default:
+               break;
+       }
 
        if (widget->connected) {
                /* connected pin ? */
@@ -511,7 +524,7 @@ static int is_connected_output_ep(struct snd_soc_dapm_widget *widget)
 
                /* connected jack or spk ? */
                if (widget->id == snd_soc_dapm_hp || widget->id == snd_soc_dapm_spk ||
-                       widget->id == snd_soc_dapm_line)
+                   (widget->id == snd_soc_dapm_line && !list_empty(&widget->sources)))
                        return 1;
        }
 
@@ -541,8 +554,14 @@ static int is_connected_input_ep(struct snd_soc_dapm_widget *widget)
                return 0;
 
        /* active stream ? */
-       if (widget->id == snd_soc_dapm_dac && widget->active)
-               return 1;
+       switch (widget->id) {
+       case snd_soc_dapm_dac:
+       case snd_soc_dapm_aif_in:
+               if (widget->active)
+                       return 1;
+       default:
+               break;
+       }
 
        if (widget->connected) {
                /* connected pin ? */
@@ -554,7 +573,8 @@ static int is_connected_input_ep(struct snd_soc_dapm_widget *widget)
                        return 1;
 
                /* connected jack ? */
-               if (widget->id == snd_soc_dapm_mic || widget->id == snd_soc_dapm_line)
+               if (widget->id == snd_soc_dapm_mic ||
+                   (widget->id == snd_soc_dapm_line && !list_empty(&widget->sinks)))
                        return 1;
        }
 
@@ -699,6 +719,10 @@ static int dapm_supply_check_power(struct snd_soc_dapm_widget *w)
 
        /* Check if one of our outputs is connected */
        list_for_each_entry(path, &w->sinks, list_source) {
+               if (path->connected &&
+                   !path->connected(path->source, path->sink))
+                       continue;
+
                if (path->sink && path->sink->power_check &&
                    path->sink->power_check(path->sink)) {
                        power = 1;
@@ -1056,6 +1080,8 @@ static void dbg_dump_dapm(struct snd_soc_codec* codec, const char *action)
                case snd_soc_dapm_mixer:
                case snd_soc_dapm_mixer_named_ctl:
                case snd_soc_dapm_supply:
+               case snd_soc_dapm_aif_in:
+               case snd_soc_dapm_aif_out:
                        if (w->name) {
                                in = is_connected_input_ep(w);
                                dapm_clear_walk(w->codec);
@@ -1081,10 +1107,103 @@ static void dbg_dump_dapm(struct snd_soc_codec* codec, const char *action)
 }
 #endif
 
+#ifdef CONFIG_DEBUG_FS
+static int dapm_widget_power_open_file(struct inode *inode, struct file *file)
+{
+       file->private_data = inode->i_private;
+       return 0;
+}
+
+static ssize_t dapm_widget_power_read_file(struct file *file,
+                                          char __user *user_buf,
+                                          size_t count, loff_t *ppos)
+{
+       struct snd_soc_dapm_widget *w = file->private_data;
+       char *buf;
+       int in, out;
+       ssize_t ret;
+       struct snd_soc_dapm_path *p = NULL;
+
+       buf = kmalloc(PAGE_SIZE, GFP_KERNEL);
+       if (!buf)
+               return -ENOMEM;
+
+       in = is_connected_input_ep(w);
+       dapm_clear_walk(w->codec);
+       out = is_connected_output_ep(w);
+       dapm_clear_walk(w->codec);
+
+       ret = snprintf(buf, PAGE_SIZE, "%s: %s  in %d out %d\n",
+                      w->name, w->power ? "On" : "Off", in, out);
+
+       if (w->sname)
+               ret += snprintf(buf + ret, PAGE_SIZE - ret, " stream %s %s\n",
+                               w->sname,
+                               w->active ? "active" : "inactive");
+
+       list_for_each_entry(p, &w->sources, list_sink) {
+               if (p->connected && !p->connected(w, p->sink))
+                       continue;
+
+               if (p->connect)
+                       ret += snprintf(buf + ret, PAGE_SIZE - ret,
+                                       " in  %s %s\n",
+                                       p->name ? p->name : "static",
+                                       p->source->name);
+       }
+       list_for_each_entry(p, &w->sinks, list_source) {
+               if (p->connected && !p->connected(w, p->sink))
+                       continue;
+
+               if (p->connect)
+                       ret += snprintf(buf + ret, PAGE_SIZE - ret,
+                                       " out %s %s\n",
+                                       p->name ? p->name : "static",
+                                       p->sink->name);
+       }
+
+       ret = simple_read_from_buffer(user_buf, count, ppos, buf, ret);
+
+       kfree(buf);
+       return ret;
+}
+
+static const struct file_operations dapm_widget_power_fops = {
+       .open = dapm_widget_power_open_file,
+       .read = dapm_widget_power_read_file,
+};
+
+void snd_soc_dapm_debugfs_init(struct snd_soc_codec *codec)
+{
+       struct snd_soc_dapm_widget *w;
+       struct dentry *d;
+
+       if (!codec->debugfs_dapm)
+               return;
+
+       list_for_each_entry(w, &codec->dapm_widgets, list) {
+               if (!w->name)
+                       continue;
+
+               d = debugfs_create_file(w->name, 0444,
+                                       codec->debugfs_dapm, w,
+                                       &dapm_widget_power_fops);
+               if (!d)
+                       printk(KERN_WARNING
+                              "ASoC: Failed to create %s debugfs file\n",
+                              w->name);
+       }
+}
+#else
+void snd_soc_dapm_debugfs_init(struct snd_soc_codec *codec)
+{
+}
+#endif
+
 /* test and update the power status of a mux widget */
 static int dapm_mux_update_power(struct snd_soc_dapm_widget *widget,
-                                struct snd_kcontrol *kcontrol, int mask,
-                                int mux, int val, struct soc_enum *e)
+                                struct snd_kcontrol *kcontrol, int change,
+                                int mux, struct soc_enum *e)
 {
        struct snd_soc_dapm_path *path;
        int found = 0;
@@ -1093,7 +1212,7 @@ static int dapm_mux_update_power(struct snd_soc_dapm_widget *widget,
            widget->id != snd_soc_dapm_value_mux)
                return -ENODEV;
 
-       if (!snd_soc_test_bits(widget->codec, e->reg, mask, val))
+       if (!change)
                return 0;
 
        /* find dapm widget path assoc with kcontrol */
@@ -1278,10 +1397,13 @@ int snd_soc_dapm_sync(struct snd_soc_codec *codec)
 EXPORT_SYMBOL_GPL(snd_soc_dapm_sync);
 
 static int snd_soc_dapm_add_route(struct snd_soc_codec *codec,
-       const char *sink, const char *control, const char *source)
+                                 const struct snd_soc_dapm_route *route)
 {
        struct snd_soc_dapm_path *path;
        struct snd_soc_dapm_widget *wsource = NULL, *wsink = NULL, *w;
+       const char *sink = route->sink;
+       const char *control = route->control;
+       const char *source = route->source;
        int ret = 0;
 
        /* find src and dest widgets */
@@ -1305,6 +1427,7 @@ static int snd_soc_dapm_add_route(struct snd_soc_codec *codec,
 
        path->source = wsource;
        path->sink = wsink;
+       path->connected = route->connected;
        INIT_LIST_HEAD(&path->list);
        INIT_LIST_HEAD(&path->list_source);
        INIT_LIST_HEAD(&path->list_sink);
@@ -1346,6 +1469,8 @@ static int snd_soc_dapm_add_route(struct snd_soc_codec *codec,
        case snd_soc_dapm_pre:
        case snd_soc_dapm_post:
        case snd_soc_dapm_supply:
+       case snd_soc_dapm_aif_in:
+       case snd_soc_dapm_aif_out:
                list_add(&path->list, &codec->dapm_paths);
                list_add(&path->list_sink, &wsink->sources);
                list_add(&path->list_source, &wsource->sinks);
@@ -1403,8 +1528,7 @@ int snd_soc_dapm_add_routes(struct snd_soc_codec *codec,
        int i, ret;
 
        for (i = 0; i < num; i++) {
-               ret = snd_soc_dapm_add_route(codec, route->sink,
-                                            route->control, route->source);
+               ret = snd_soc_dapm_add_route(codec, route);
                if (ret < 0) {
                        printk(KERN_ERR "Failed to add route %s->%s\n",
                               route->source,
@@ -1448,9 +1572,11 @@ int snd_soc_dapm_new_widgets(struct snd_soc_codec *codec)
                        dapm_new_mux(codec, w);
                        break;
                case snd_soc_dapm_adc:
+               case snd_soc_dapm_aif_out:
                        w->power_check = dapm_adc_check_power;
                        break;
                case snd_soc_dapm_dac:
+               case snd_soc_dapm_aif_in:
                        w->power_check = dapm_dac_check_power;
                        break;
                case snd_soc_dapm_pga:
@@ -1639,7 +1765,7 @@ int snd_soc_dapm_put_enum_double(struct snd_kcontrol *kcontrol,
 {
        struct snd_soc_dapm_widget *widget = snd_kcontrol_chip(kcontrol);
        struct soc_enum *e = (struct soc_enum *)kcontrol->private_value;
-       unsigned int val, mux;
+       unsigned int val, mux, change;
        unsigned int mask, bitmask;
        int ret = 0;
 
@@ -1659,20 +1785,21 @@ int snd_soc_dapm_put_enum_double(struct snd_kcontrol *kcontrol,
 
        mutex_lock(&widget->codec->mutex);
        widget->value = val;
-       dapm_mux_update_power(widget, kcontrol, mask, mux, val, e);
-       if (widget->event) {
-               if (widget->event_flags & SND_SOC_DAPM_PRE_REG) {
-                       ret = widget->event(widget,
-                               kcontrol, SND_SOC_DAPM_PRE_REG);
-                       if (ret < 0)
-                               goto out;
-               }
-               ret = snd_soc_update_bits(widget->codec, e->reg, mask, val);
-               if (widget->event_flags & SND_SOC_DAPM_POST_REG)
-                       ret = widget->event(widget,
-                               kcontrol, SND_SOC_DAPM_POST_REG);
-       } else
-               ret = snd_soc_update_bits(widget->codec, e->reg, mask, val);
+       change = snd_soc_test_bits(widget->codec, e->reg, mask, val);
+       dapm_mux_update_power(widget, kcontrol, change, mux, e);
+
+       if (widget->event_flags & SND_SOC_DAPM_PRE_REG) {
+               ret = widget->event(widget,
+                                   kcontrol, SND_SOC_DAPM_PRE_REG);
+               if (ret < 0)
+                       goto out;
+       }
+
+       ret = snd_soc_update_bits(widget->codec, e->reg, mask, val);
+
+       if (widget->event_flags & SND_SOC_DAPM_POST_REG)
+               ret = widget->event(widget,
+                                   kcontrol, SND_SOC_DAPM_POST_REG);
 
 out:
        mutex_unlock(&widget->codec->mutex);
@@ -1681,6 +1808,54 @@ out:
 EXPORT_SYMBOL_GPL(snd_soc_dapm_put_enum_double);
 
 /**
+ * snd_soc_dapm_get_enum_virt - Get virtual DAPM mux
+ * @kcontrol: mixer control
+ * @ucontrol: control element information
+ *
+ * Returns 0 for success.
+ */
+int snd_soc_dapm_get_enum_virt(struct snd_kcontrol *kcontrol,
+                              struct snd_ctl_elem_value *ucontrol)
+{
+       struct snd_soc_dapm_widget *widget = snd_kcontrol_chip(kcontrol);
+
+       ucontrol->value.enumerated.item[0] = widget->value;
+
+       return 0;
+}
+EXPORT_SYMBOL_GPL(snd_soc_dapm_get_enum_virt);
+
+/**
+ * snd_soc_dapm_put_enum_virt - Set virtual DAPM mux
+ * @kcontrol: mixer control
+ * @ucontrol: control element information
+ *
+ * Returns 0 for success.
+ */
+int snd_soc_dapm_put_enum_virt(struct snd_kcontrol *kcontrol,
+                              struct snd_ctl_elem_value *ucontrol)
+{
+       struct snd_soc_dapm_widget *widget = snd_kcontrol_chip(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;
+
+       mutex_lock(&widget->codec->mutex);
+
+       change = widget->value != ucontrol->value.enumerated.item[0];
+       widget->value = ucontrol->value.enumerated.item[0];
+       dapm_mux_update_power(widget, kcontrol, change, widget->value, e);
+
+       mutex_unlock(&widget->codec->mutex);
+       return ret;
+}
+EXPORT_SYMBOL_GPL(snd_soc_dapm_put_enum_virt);
+
+/**
  * snd_soc_dapm_get_value_enum_double - dapm semi enumerated double mixer get
  *                                     callback
  * @kcontrol: mixer control
@@ -1738,7 +1913,7 @@ int snd_soc_dapm_put_value_enum_double(struct snd_kcontrol *kcontrol,
 {
        struct snd_soc_dapm_widget *widget = snd_kcontrol_chip(kcontrol);
        struct soc_enum *e = (struct soc_enum *)kcontrol->private_value;
-       unsigned int val, mux;
+       unsigned int val, mux, change;
        unsigned int mask;
        int ret = 0;
 
@@ -1756,20 +1931,21 @@ int snd_soc_dapm_put_value_enum_double(struct snd_kcontrol *kcontrol,
 
        mutex_lock(&widget->codec->mutex);
        widget->value = val;
-       dapm_mux_update_power(widget, kcontrol, mask, mux, val, e);
-       if (widget->event) {
-               if (widget->event_flags & SND_SOC_DAPM_PRE_REG) {
-                       ret = widget->event(widget,
-                               kcontrol, SND_SOC_DAPM_PRE_REG);
-                       if (ret < 0)
-                               goto out;
-               }
-               ret = snd_soc_update_bits(widget->codec, e->reg, mask, val);
-               if (widget->event_flags & SND_SOC_DAPM_POST_REG)
-                       ret = widget->event(widget,
-                               kcontrol, SND_SOC_DAPM_POST_REG);
-       } else
-               ret = snd_soc_update_bits(widget->codec, e->reg, mask, val);
+       change = snd_soc_test_bits(widget->codec, e->reg, mask, val);
+       dapm_mux_update_power(widget, kcontrol, change, mux, e);
+
+       if (widget->event_flags & SND_SOC_DAPM_PRE_REG) {
+               ret = widget->event(widget,
+                                   kcontrol, SND_SOC_DAPM_PRE_REG);
+               if (ret < 0)
+                       goto out;
+       }
+
+       ret = snd_soc_update_bits(widget->codec, e->reg, mask, val);
+
+       if (widget->event_flags & SND_SOC_DAPM_POST_REG)
+               ret = widget->event(widget,
+                                   kcontrol, SND_SOC_DAPM_POST_REG);
 
 out:
        mutex_unlock(&widget->codec->mutex);
@@ -1959,9 +2135,9 @@ int snd_soc_dapm_stream_event(struct snd_soc_codec *codec,
                        }
                }
        }
-       mutex_unlock(&codec->mutex);
 
        dapm_power_widgets(codec, event);
+       mutex_unlock(&codec->mutex);
        dump_dapm(codec, __func__);
        return 0;
 }