ASoC: add Component level set_pll
[sfrench/cifs-2.6.git] / sound / soc / soc-core.c
index 13c875e2392a40ec5651d7c12a28b9ac9f3aab85..ee641cd8aa225ecc5e6385579ceb76327abfed97 100644 (file)
@@ -1451,9 +1451,10 @@ static int soc_probe_component(struct snd_soc_card *card,
 
        soc_init_component_debugfs(component);
 
-       if (component->dapm_widgets) {
-               ret = snd_soc_dapm_new_controls(dapm, component->dapm_widgets,
-                       component->num_dapm_widgets);
+       if (component->driver->dapm_widgets) {
+               ret = snd_soc_dapm_new_controls(dapm,
+                                       component->driver->dapm_widgets,
+                                       component->driver->num_dapm_widgets);
 
                if (ret != 0) {
                        dev_err(component->dev,
@@ -1495,12 +1496,14 @@ static int soc_probe_component(struct snd_soc_card *card,
                }
        }
 
-       if (component->controls)
-               snd_soc_add_component_controls(component, component->controls,
-                                    component->num_controls);
-       if (component->dapm_routes)
-               snd_soc_dapm_add_routes(dapm, component->dapm_routes,
-                                       component->num_dapm_routes);
+       if (component->driver->controls)
+               snd_soc_add_component_controls(component,
+                                              component->driver->controls,
+                                              component->driver->num_controls);
+       if (component->driver->dapm_routes)
+               snd_soc_dapm_add_routes(dapm,
+                                       component->driver->dapm_routes,
+                                       component->driver->num_dapm_routes);
 
        list_add(&dapm->list, &card->dapm_list);
        list_add(&component->card_list, &card->component_dev_list);
@@ -2587,11 +2590,9 @@ int snd_soc_dai_set_sysclk(struct snd_soc_dai *dai, int clk_id,
 {
        if (dai->driver && dai->driver->ops->set_sysclk)
                return dai->driver->ops->set_sysclk(dai, clk_id, freq, dir);
-       else if (dai->codec && dai->codec->driver->set_sysclk)
-               return dai->codec->driver->set_sysclk(dai->codec, clk_id, 0,
-                                                     freq, dir);
-       else
-               return -ENOTSUPP;
+
+       return snd_soc_component_set_sysclk(dai->component, clk_id, 0,
+                                           freq, dir);
 }
 EXPORT_SYMBOL_GPL(snd_soc_dai_set_sysclk);
 
@@ -2616,6 +2617,32 @@ int snd_soc_codec_set_sysclk(struct snd_soc_codec *codec, int clk_id,
 }
 EXPORT_SYMBOL_GPL(snd_soc_codec_set_sysclk);
 
+/**
+ * snd_soc_component_set_sysclk - configure COMPONENT system or master clock.
+ * @component: COMPONENT
+ * @clk_id: DAI specific clock ID
+ * @source: Source for the clock
+ * @freq: new clock frequency in Hz
+ * @dir: new clock direction - input/output.
+ *
+ * Configures the CODEC master (MCLK) or system (SYSCLK) clocking.
+ */
+int snd_soc_component_set_sysclk(struct snd_soc_component *component, int clk_id,
+                            int source, unsigned int freq, int dir)
+{
+       /* will be removed */
+       if (component->set_sysclk)
+               return component->set_sysclk(component, clk_id, source,
+                                            freq, dir);
+
+       if (component->driver->set_sysclk)
+               return component->driver->set_sysclk(component, clk_id, source,
+                                                freq, dir);
+
+       return -ENOTSUPP;
+}
+EXPORT_SYMBOL_GPL(snd_soc_component_set_sysclk);
+
 /**
  * snd_soc_dai_set_clkdiv - configure DAI clock dividers.
  * @dai: DAI
@@ -2652,11 +2679,9 @@ int snd_soc_dai_set_pll(struct snd_soc_dai *dai, int pll_id, int source,
        if (dai->driver && dai->driver->ops->set_pll)
                return dai->driver->ops->set_pll(dai, pll_id, source,
                                         freq_in, freq_out);
-       else if (dai->codec && dai->codec->driver->set_pll)
-               return dai->codec->driver->set_pll(dai->codec, pll_id, source,
-                                                  freq_in, freq_out);
-       else
-               return -EINVAL;
+
+       return snd_soc_component_set_pll(dai->component, pll_id, source,
+                                        freq_in, freq_out);
 }
 EXPORT_SYMBOL_GPL(snd_soc_dai_set_pll);
 
@@ -2681,6 +2706,33 @@ int snd_soc_codec_set_pll(struct snd_soc_codec *codec, int pll_id, int source,
 }
 EXPORT_SYMBOL_GPL(snd_soc_codec_set_pll);
 
+/*
+ * snd_soc_component_set_pll - configure component PLL.
+ * @component: COMPONENT
+ * @pll_id: DAI specific PLL ID
+ * @source: DAI specific source for the PLL
+ * @freq_in: PLL input clock frequency in Hz
+ * @freq_out: requested PLL output clock frequency in Hz
+ *
+ * Configures and enables PLL to generate output clock based on input clock.
+ */
+int snd_soc_component_set_pll(struct snd_soc_component *component, int pll_id,
+                             int source, unsigned int freq_in,
+                             unsigned int freq_out)
+{
+       /* will be removed */
+       if (component->set_pll)
+               return component->set_pll(component, pll_id, source,
+                                             freq_in, freq_out);
+
+       if (component->driver->set_pll)
+               return component->driver->set_pll(component, pll_id, source,
+                                             freq_in, freq_out);
+
+       return -EINVAL;
+}
+EXPORT_SYMBOL_GPL(snd_soc_component_set_pll);
+
 /**
  * snd_soc_dai_set_bclk_ratio - configure BCLK to sample rate ratio.
  * @dai: DAI
@@ -3171,6 +3223,8 @@ static int snd_soc_component_initialize(struct snd_soc_component *component,
        component->remove = component->driver->remove;
        component->suspend = component->driver->suspend;
        component->resume = component->driver->resume;
+       component->set_sysclk = component->driver->set_sysclk;
+       component->set_pll = component->driver->set_pll;
 
        dapm = &component->dapm;
        dapm->dev = dev;
@@ -3182,13 +3236,6 @@ static int snd_soc_component_initialize(struct snd_soc_component *component,
        if (driver->stream_event)
                dapm->stream_event = snd_soc_component_stream_event;
 
-       component->controls = driver->controls;
-       component->num_controls = driver->num_controls;
-       component->dapm_widgets = driver->dapm_widgets;
-       component->num_dapm_widgets = driver->num_dapm_widgets;
-       component->dapm_routes = driver->dapm_routes;
-       component->num_dapm_routes = driver->num_dapm_routes;
-
        INIT_LIST_HEAD(&component->dai_list);
        mutex_init(&component->io_mutex);
 
@@ -3280,40 +3327,40 @@ static void snd_soc_component_del_unlocked(struct snd_soc_component *component)
 }
 
 int snd_soc_register_component(struct device *dev,
-                              const struct snd_soc_component_driver *cmpnt_drv,
+                              const struct snd_soc_component_driver *component_driver,
                               struct snd_soc_dai_driver *dai_drv,
                               int num_dai)
 {
-       struct snd_soc_component *cmpnt;
+       struct snd_soc_component *component;
        int ret;
 
-       cmpnt = kzalloc(sizeof(*cmpnt), GFP_KERNEL);
-       if (!cmpnt) {
+       component = kzalloc(sizeof(*component), GFP_KERNEL);
+       if (!component) {
                dev_err(dev, "ASoC: Failed to allocate memory\n");
                return -ENOMEM;
        }
 
-       ret = snd_soc_component_initialize(cmpnt, cmpnt_drv, dev);
+       ret = snd_soc_component_initialize(component, component_driver, dev);
        if (ret)
                goto err_free;
 
-       cmpnt->ignore_pmdown_time = true;
-       cmpnt->registered_as_component = true;
+       component->ignore_pmdown_time = true;
+       component->registered_as_component = true;
 
-       ret = snd_soc_register_dais(cmpnt, dai_drv, num_dai, true);
+       ret = snd_soc_register_dais(component, dai_drv, num_dai, true);
        if (ret < 0) {
                dev_err(dev, "ASoC: Failed to register DAIs: %d\n", ret);
                goto err_cleanup;
        }
 
-       snd_soc_component_add(cmpnt);
+       snd_soc_component_add(component);
 
        return 0;
 
 err_cleanup:
-       snd_soc_component_cleanup(cmpnt);
+       snd_soc_component_cleanup(component);
 err_free:
-       kfree(cmpnt);
+       kfree(component);
        return ret;
 }
 EXPORT_SYMBOL_GPL(snd_soc_register_component);
@@ -3325,22 +3372,26 @@ EXPORT_SYMBOL_GPL(snd_soc_register_component);
  */
 void snd_soc_unregister_component(struct device *dev)
 {
-       struct snd_soc_component *cmpnt;
+       struct snd_soc_component *component;
+       int found = 0;
 
        mutex_lock(&client_mutex);
-       list_for_each_entry(cmpnt, &component_list, list) {
-               if (dev == cmpnt->dev && cmpnt->registered_as_component)
-                       goto found;
+       list_for_each_entry(component, &component_list, list) {
+               if (dev != component->dev ||
+                   !component->registered_as_component)
+                       continue;
+
+               snd_soc_tplg_component_remove(component, SND_SOC_TPLG_INDEX_ALL);
+               snd_soc_component_del_unlocked(component);
+               found = 1;
+               break;
        }
        mutex_unlock(&client_mutex);
-       return;
 
-found:
-       snd_soc_tplg_component_remove(cmpnt, SND_SOC_TPLG_INDEX_ALL);
-       snd_soc_component_del_unlocked(cmpnt);
-       mutex_unlock(&client_mutex);
-       snd_soc_component_cleanup(cmpnt);
-       kfree(cmpnt);
+       if (found) {
+               snd_soc_component_cleanup(component);
+               kfree(component);
+       }
 }
 EXPORT_SYMBOL_GPL(snd_soc_unregister_component);
 
@@ -3557,6 +3608,23 @@ static int snd_soc_codec_drv_read(struct snd_soc_component *component,
        return 0;
 }
 
+static int snd_soc_codec_set_sysclk_(struct snd_soc_component *component,
+                         int clk_id, int source, unsigned int freq, int dir)
+{
+       struct snd_soc_codec *codec = snd_soc_component_to_codec(component);
+
+       return snd_soc_codec_set_sysclk(codec, clk_id, source, freq, dir);
+}
+
+static int snd_soc_codec_set_pll_(struct snd_soc_component *component,
+                                 int pll_id, int source, unsigned int freq_in,
+                                 unsigned int freq_out)
+{
+       struct snd_soc_codec *codec = snd_soc_component_to_codec(component);
+
+       return snd_soc_codec_set_pll(codec, pll_id, source, freq_in, freq_out);
+}
+
 static int snd_soc_codec_set_bias_level(struct snd_soc_dapm_context *dapm,
        enum snd_soc_bias_level level)
 {
@@ -3608,6 +3676,10 @@ int snd_soc_register_codec(struct device *dev,
                codec->component.write = snd_soc_codec_drv_write;
        if (codec_drv->read)
                codec->component.read = snd_soc_codec_drv_read;
+       if (codec_drv->set_sysclk)
+               codec->component.set_sysclk = snd_soc_codec_set_sysclk_;
+       if (codec_drv->set_pll)
+               codec->component.set_pll = snd_soc_codec_set_pll_;
        codec->component.ignore_pmdown_time = codec_drv->ignore_pmdown_time;
 
        dapm = snd_soc_codec_get_dapm(codec);