1 files changed, 561 insertions, 0 deletions

diff --git a/sound/soc/soc-component.c b/sound/soc/soc-component.c
new file mode 100644
index 000000000000..79ffc2820ba9
--- /dev/null
+++ b/sound/soc/soc-component.c
@@ -0,0 +1,561 @@
+// SPDX-License-Identifier: GPL-2.0
+//
+// soc-component.c
+//
+// Copyright (C) 2019 Renesas Electronics Corp.
+// Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
+//
+#include <linux/module.h>
+#include <sound/soc.h>
+
+/**
+ * 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)
+{
+        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_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)
+{
+        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);
+
+void snd_soc_component_seq_notifier(struct snd_soc_component *component,
+                                    enum snd_soc_dapm_type type, int subseq)
+{
+        if (component->driver->seq_notifier)
+                component->driver->seq_notifier(component, type, subseq);
+}
+
+int snd_soc_component_stream_event(struct snd_soc_component *component,
+                                   int event)
+{
+        if (component->driver->stream_event)
+                return component->driver->stream_event(component, event);
+
+        return 0;
+}
+
+int snd_soc_component_set_bias_level(struct snd_soc_component *component,
+                                     enum snd_soc_bias_level level)
+{
+        if (component->driver->set_bias_level)
+                return component->driver->set_bias_level(component, level);
+
+        return 0;
+}
+
+int snd_soc_component_enable_pin(struct snd_soc_component *component,
+                                 const char *pin)
+{
+        struct snd_soc_dapm_context *dapm =
+                snd_soc_component_get_dapm(component);
+        char *full_name;
+        int ret;
+
+        if (!component->name_prefix)
+                return snd_soc_dapm_enable_pin(dapm, pin);
+
+        full_name = kasprintf(GFP_KERNEL, "%s %s", component->name_prefix, pin);
+        if (!full_name)
+                return -ENOMEM;
+
+        ret = snd_soc_dapm_enable_pin(dapm, full_name);
+        kfree(full_name);
+
+        return ret;
+}
+EXPORT_SYMBOL_GPL(snd_soc_component_enable_pin);
+
+int snd_soc_component_enable_pin_unlocked(struct snd_soc_component *component,
+                                          const char *pin)
+{
+        struct snd_soc_dapm_context *dapm =
+                snd_soc_component_get_dapm(component);
+        char *full_name;
+        int ret;
+
+        if (!component->name_prefix)
+                return snd_soc_dapm_enable_pin_unlocked(dapm, pin);
+
+        full_name = kasprintf(GFP_KERNEL, "%s %s", component->name_prefix, pin);
+        if (!full_name)
+                return -ENOMEM;
+
+        ret = snd_soc_dapm_enable_pin_unlocked(dapm, full_name);
+        kfree(full_name);
+
+        return ret;
+}
+EXPORT_SYMBOL_GPL(snd_soc_component_enable_pin_unlocked);
+
+int snd_soc_component_disable_pin(struct snd_soc_component *component,
+                                  const char *pin)
+{
+        struct snd_soc_dapm_context *dapm =
+                snd_soc_component_get_dapm(component);
+        char *full_name;
+        int ret;
+
+        if (!component->name_prefix)
+                return snd_soc_dapm_disable_pin(dapm, pin);
+
+        full_name = kasprintf(GFP_KERNEL, "%s %s", component->name_prefix, pin);
+        if (!full_name)
+                return -ENOMEM;
+
+        ret = snd_soc_dapm_disable_pin(dapm, full_name);
+        kfree(full_name);
+
+        return ret;
+}
+EXPORT_SYMBOL_GPL(snd_soc_component_disable_pin);
+
+int snd_soc_component_disable_pin_unlocked(struct snd_soc_component *component,
+                                           const char *pin)
+{
+        struct snd_soc_dapm_context *dapm =
+                snd_soc_component_get_dapm(component);
+        char *full_name;
+        int ret;
+
+        if (!component->name_prefix)
+                return snd_soc_dapm_disable_pin_unlocked(dapm, pin);
+
+        full_name = kasprintf(GFP_KERNEL, "%s %s", component->name_prefix, pin);
+        if (!full_name)
+                return -ENOMEM;
+
+        ret = snd_soc_dapm_disable_pin_unlocked(dapm, full_name);
+        kfree(full_name);
+
+        return ret;
+}
+EXPORT_SYMBOL_GPL(snd_soc_component_disable_pin_unlocked);
+
+int snd_soc_component_nc_pin(struct snd_soc_component *component,
+                             const char *pin)
+{
+        struct snd_soc_dapm_context *dapm =
+                snd_soc_component_get_dapm(component);
+        char *full_name;
+        int ret;
+
+        if (!component->name_prefix)
+                return snd_soc_dapm_nc_pin(dapm, pin);
+
+        full_name = kasprintf(GFP_KERNEL, "%s %s", component->name_prefix, pin);
+        if (!full_name)
+                return -ENOMEM;
+
+        ret = snd_soc_dapm_nc_pin(dapm, full_name);
+        kfree(full_name);
+
+        return ret;
+}
+EXPORT_SYMBOL_GPL(snd_soc_component_nc_pin);
+
+int snd_soc_component_nc_pin_unlocked(struct snd_soc_component *component,
+                                      const char *pin)
+{
+        struct snd_soc_dapm_context *dapm =
+                snd_soc_component_get_dapm(component);
+        char *full_name;
+        int ret;
+
+        if (!component->name_prefix)
+                return snd_soc_dapm_nc_pin_unlocked(dapm, pin);
+
+        full_name = kasprintf(GFP_KERNEL, "%s %s", component->name_prefix, pin);
+        if (!full_name)
+                return -ENOMEM;
+
+        ret = snd_soc_dapm_nc_pin_unlocked(dapm, full_name);
+        kfree(full_name);
+
+        return ret;
+}
+EXPORT_SYMBOL_GPL(snd_soc_component_nc_pin_unlocked);
+
+int snd_soc_component_get_pin_status(struct snd_soc_component *component,
+                                     const char *pin)
+{
+        struct snd_soc_dapm_context *dapm =
+                snd_soc_component_get_dapm(component);
+        char *full_name;
+        int ret;
+
+        if (!component->name_prefix)
+                return snd_soc_dapm_get_pin_status(dapm, pin);
+
+        full_name = kasprintf(GFP_KERNEL, "%s %s", component->name_prefix, pin);
+        if (!full_name)
+                return -ENOMEM;
+
+        ret = snd_soc_dapm_get_pin_status(dapm, full_name);
+        kfree(full_name);
+
+        return ret;
+}
+EXPORT_SYMBOL_GPL(snd_soc_component_get_pin_status);
+
+int snd_soc_component_force_enable_pin(struct snd_soc_component *component,
+                                       const char *pin)
+{
+        struct snd_soc_dapm_context *dapm =
+                snd_soc_component_get_dapm(component);
+        char *full_name;
+        int ret;
+
+        if (!component->name_prefix)
+                return snd_soc_dapm_force_enable_pin(dapm, pin);
+
+        full_name = kasprintf(GFP_KERNEL, "%s %s", component->name_prefix, pin);
+        if (!full_name)
+                return -ENOMEM;
+
+        ret = snd_soc_dapm_force_enable_pin(dapm, full_name);
+        kfree(full_name);
+
+        return ret;
+}
+EXPORT_SYMBOL_GPL(snd_soc_component_force_enable_pin);
+
+int snd_soc_component_force_enable_pin_unlocked(
+        struct snd_soc_component *component,
+        const char *pin)
+{
+        struct snd_soc_dapm_context *dapm =
+                snd_soc_component_get_dapm(component);
+        char *full_name;
+        int ret;
+
+        if (!component->name_prefix)
+                return snd_soc_dapm_force_enable_pin_unlocked(dapm, pin);
+
+        full_name = kasprintf(GFP_KERNEL, "%s %s", component->name_prefix, pin);
+        if (!full_name)
+                return -ENOMEM;
+
+        ret = snd_soc_dapm_force_enable_pin_unlocked(dapm, full_name);
+        kfree(full_name);
+
+        return ret;
+}
+EXPORT_SYMBOL_GPL(snd_soc_component_force_enable_pin_unlocked);
+
+/**
+ * snd_soc_component_set_jack - configure component jack.
+ * @component: COMPONENTs
+ * @jack: structure to use for the jack
+ * @data: can be used if codec driver need extra data for configuring jack
+ *
+ * Configures and enables jack detection function.
+ */
+int snd_soc_component_set_jack(struct snd_soc_component *component,
+                               struct snd_soc_jack *jack, void *data)
+{
+        if (component->driver->set_jack)
+                return component->driver->set_jack(component, jack, data);
+
+        return -ENOTSUPP;
+}
+EXPORT_SYMBOL_GPL(snd_soc_component_set_jack);
+
+int snd_soc_component_module_get(struct snd_soc_component *component,
+                                 int upon_open)
+{
+        if (component->driver->module_get_upon_open == !!upon_open &&
+            !try_module_get(component->dev->driver->owner))
+                return -ENODEV;
+
+        return 0;
+}
+
+void snd_soc_component_module_put(struct snd_soc_component *component,
+                                  int upon_open)
+{
+        if (component->driver->module_get_upon_open == !!upon_open)
+                module_put(component->dev->driver->owner);
+}
+
+int snd_soc_component_open(struct snd_soc_component *component,
+                           struct snd_pcm_substream *substream)
+{
+        if (component->driver->ops &&
+            component->driver->ops->open)
+                return component->driver->ops->open(substream);
+
+        return 0;
+}
+
+int snd_soc_component_close(struct snd_soc_component *component,
+                            struct snd_pcm_substream *substream)
+{
+        if (component->driver->ops &&
+            component->driver->ops->close)
+                return component->driver->ops->close(substream);
+
+        return 0;
+}
+
+int snd_soc_component_prepare(struct snd_soc_component *component,
+                              struct snd_pcm_substream *substream)
+{
+        if (component->driver->ops &&
+            component->driver->ops->prepare)
+                return component->driver->ops->prepare(substream);
+
+        return 0;
+}
+
+int snd_soc_component_hw_params(struct snd_soc_component *component,
+                                struct snd_pcm_substream *substream,
+                                struct snd_pcm_hw_params *params)
+{
+        if (component->driver->ops &&
+            component->driver->ops->hw_params)
+                return component->driver->ops->hw_params(substream, params);
+
+        return 0;
+}
+
+int snd_soc_component_hw_free(struct snd_soc_component *component,
+                               struct snd_pcm_substream *substream)
+{
+        if (component->driver->ops &&
+            component->driver->ops->hw_free)
+                return component->driver->ops->hw_free(substream);
+
+        return 0;
+}
+
+int snd_soc_component_trigger(struct snd_soc_component *component,
+                              struct snd_pcm_substream *substream,
+                              int cmd)
+{
+        if (component->driver->ops &&
+            component->driver->ops->trigger)
+                return component->driver->ops->trigger(substream, cmd);
+
+        return 0;
+}
+
+void snd_soc_component_suspend(struct snd_soc_component *component)
+{
+        if (component->driver->suspend)
+                component->driver->suspend(component);
+        component->suspended = 1;
+}
+
+void snd_soc_component_resume(struct snd_soc_component *component)
+{
+        if (component->driver->resume)
+                component->driver->resume(component);
+        component->suspended = 0;
+}
+
+int snd_soc_component_is_suspended(struct snd_soc_component *component)
+{
+        return component->suspended;
+}
+
+int snd_soc_component_probe(struct snd_soc_component *component)
+{
+        if (component->driver->probe)
+                return component->driver->probe(component);
+
+        return 0;
+}
+
+void snd_soc_component_remove(struct snd_soc_component *component)
+{
+        if (component->driver->remove)
+                component->driver->remove(component);
+}
+
+int snd_soc_component_of_xlate_dai_id(struct snd_soc_component *component,
+                                      struct device_node *ep)
+{
+        if (component->driver->of_xlate_dai_id)
+                return component->driver->of_xlate_dai_id(component, ep);
+
+        return -ENOTSUPP;
+}
+
+int snd_soc_component_of_xlate_dai_name(struct snd_soc_component *component,
+                                        struct of_phandle_args *args,
+                                        const char **dai_name)
+{
+        if (component->driver->of_xlate_dai_name)
+                return component->driver->of_xlate_dai_name(component,
+                                                     args, dai_name);
+        return -ENOTSUPP;
+}
+
+int snd_soc_pcm_component_pointer(struct snd_pcm_substream *substream)
+{
+        struct snd_soc_pcm_runtime *rtd = substream->private_data;
+        struct snd_soc_component *component;
+        struct snd_soc_rtdcom_list *rtdcom;
+
+        for_each_rtdcom(rtd, rtdcom) {
+                component = rtdcom->component;
+
+                /* FIXME: use 1st pointer */
+                if (component->driver->ops &&
+                    component->driver->ops->pointer)
+                        return component->driver->ops->pointer(substream);
+        }
+
+        return 0;
+}
+
+int snd_soc_pcm_component_ioctl(struct snd_pcm_substream *substream,
+                                unsigned int cmd, void *arg)
+{
+        struct snd_soc_pcm_runtime *rtd = substream->private_data;
+        struct snd_soc_component *component;
+        struct snd_soc_rtdcom_list *rtdcom;
+
+        for_each_rtdcom(rtd, rtdcom) {
+                component = rtdcom->component;
+
+                /* FIXME: use 1st ioctl */
+                if (component->driver->ops &&
+                    component->driver->ops->ioctl)
+                        return component->driver->ops->ioctl(substream,
+                                                             cmd, arg);
+        }
+
+        return snd_pcm_lib_ioctl(substream, cmd, arg);
+}
+
+int snd_soc_pcm_component_copy_user(struct snd_pcm_substream *substream,
+                                    int channel, unsigned long pos,
+                                    void __user *buf, unsigned long bytes)
+{
+        struct snd_soc_pcm_runtime *rtd = substream->private_data;
+        struct snd_soc_rtdcom_list *rtdcom;
+        struct snd_soc_component *component;
+
+        for_each_rtdcom(rtd, rtdcom) {
+                component = rtdcom->component;
+
+                /* FIXME. it returns 1st copy now */
+                if (component->driver->ops &&
+                    component->driver->ops->copy_user)
+                        return component->driver->ops->copy_user(
+                                substream, channel, pos, buf, bytes);
+        }
+
+        return -EINVAL;
+}
+
+struct page *snd_soc_pcm_component_page(struct snd_pcm_substream *substream,
+                                        unsigned long offset)
+{
+        struct snd_soc_pcm_runtime *rtd = substream->private_data;
+        struct snd_soc_rtdcom_list *rtdcom;
+        struct snd_soc_component *component;
+        struct page *page;
+
+        for_each_rtdcom(rtd, rtdcom) {
+                component = rtdcom->component;
+
+                /* FIXME. it returns 1st page now */
+                if (component->driver->ops &&
+                    component->driver->ops->page) {
+                        page = component->driver->ops->page(substream, offset);
+                        if (page)
+                                return page;
+                }
+        }
+
+        return NULL;
+}
+
+int snd_soc_pcm_component_mmap(struct snd_pcm_substream *substream,
+                               struct vm_area_struct *vma)
+{
+        struct snd_soc_pcm_runtime *rtd = substream->private_data;
+        struct snd_soc_rtdcom_list *rtdcom;
+        struct snd_soc_component *component;
+
+        for_each_rtdcom(rtd, rtdcom) {
+                component = rtdcom->component;
+
+                /* FIXME. it returns 1st mmap now */
+                if (component->driver->ops &&
+                    component->driver->ops->mmap)
+                        return component->driver->ops->mmap(substream, vma);
+        }
+
+        return -EINVAL;
+}
+
+int snd_soc_pcm_component_new(struct snd_pcm *pcm)
+{
+        struct snd_soc_pcm_runtime *rtd = pcm->private_data;
+        struct snd_soc_rtdcom_list *rtdcom;
+        struct snd_soc_component *component;
+        int ret;
+
+        for_each_rtdcom(rtd, rtdcom) {
+                component = rtdcom->component;
+
+                if (component->driver->pcm_new) {
+                        ret = component->driver->pcm_new(rtd);
+                        if (ret < 0)
+                                return ret;
+                }
+        }
+
+        return 0;
+}
+
+void snd_soc_pcm_component_free(struct snd_pcm *pcm)
+{
+        struct snd_soc_pcm_runtime *rtd = pcm->private_data;
+        struct snd_soc_rtdcom_list *rtdcom;
+        struct snd_soc_component *component;
+
+        for_each_rtdcom(rtd, rtdcom) {
+                component = rtdcom->component;
+
+                if (component->driver->pcm_free)
+                        component->driver->pcm_free(pcm);
+        }
+}