Add push to talk voice assistant (#4648)

* Add push to talk voice assistant

* Refactor most code into voice_assistant

* Make voice_assistant the component and remove push_to_talk (can be done in yaml)

* Fix component setup

* Always AF_INET to match serverside

* Fix microphone and media player co-existence

* Format

* Update codeowners

* Update test file

* Fix endifs

* nullptr not NULL

* clang-tidy

* Format

* fixup: Add VA event data

* Generate proto

* Parse and log events

* Add default to switch

* Fix

* Add mic/va to test5

esphome/components/i2s_audio/i2s_audio.h

@@ -0,0 +1,64 @@
+#pragma once
+
+#ifdef USE_ESP32
+
+#include <driver/i2s.h>
+#include "esphome/core/component.h"
+#include "esphome/core/helpers.h"
+
+namespace esphome {
+namespace i2s_audio {
+
+class I2SAudioComponent;
+
+class I2SAudioIn : public Parented<I2SAudioComponent> {};
+
+class I2SAudioOut : public Parented<I2SAudioComponent> {};
+
+class I2SAudioComponent : public Component {
+ public:
+  void setup() override;
+
+  void register_audio_in(I2SAudioIn *in) {
+    this->audio_in_ = in;
+    in->set_parent(this);
+  }
+  void register_audio_out(I2SAudioOut *out) {
+    this->audio_out_ = out;
+    out->set_parent(this);
+  }
+
+  i2s_pin_config_t get_pin_config() const {
+    return {
+        .mck_io_num = I2S_PIN_NO_CHANGE,
+        .bck_io_num = this->bclk_pin_,
+        .ws_io_num = this->lrclk_pin_,
+        .data_out_num = I2S_PIN_NO_CHANGE,
+        .data_in_num = I2S_PIN_NO_CHANGE,
+    };
+  }
+
+  void set_bclk_pin(uint8_t pin) { this->bclk_pin_ = pin; }
+  void set_lrclk_pin(uint8_t pin) { this->lrclk_pin_ = pin; }
+
+  void lock() { this->lock_.lock(); }
+  bool try_lock() { return this->lock_.try_lock(); }
+  void unlock() { this->lock_.unlock(); }
+
+  i2s_port_t get_port() const { return this->port_; }
+
+ protected:
+  Mutex lock_;
+
+  I2SAudioIn *audio_in_{nullptr};
+  I2SAudioOut *audio_out_{nullptr};
+
+  uint8_t bclk_pin_;
+  uint8_t lrclk_pin_;
+  i2s_port_t port_{};
+};
+
+}  // namespace i2s_audio
+}  // namespace esphome
+
+#endif  // USE_ESP32