hal: Add QAP extention

- Add new source file in audio_extn folder

Change-Id: If62e948f74f5e9e933704b5b6e061471d3a62a38

1 files changed, 53 insertions, 0 deletions

diff --git a/hal/audio_extn/audio_extn.h b/hal/audio_extn/audio_extn.h
index efb7d7d2..9c09fc58 100644
--- a/hal/audio_extn/audio_extn.h
+++ b/hal/audio_extn/audio_extn.h
@@ -800,6 +800,59 @@ bool audio_extn_is_qaf_stream(struct stream_out *out);
 #define audio_extn_is_qaf_stream(out)                                   (0)
 #endif
 
+
+#ifdef QAP_EXTN_ENABLED
+/*
+ * Helper funtion to know if HAL QAP extention is enabled or not.
+ */
+bool audio_extn_qap_is_enabled();
+/*
+ * QAP HAL extention init, called during bootup/HAL device open.
+ * QAP library will be loaded in this funtion.
+ */
+int audio_extn_qap_init(struct audio_device *adev);
+void audio_extn_qap_deinit();
+/*
+ * if HAL QAP is enabled and inited succesfully then all then this funtion
+ * gets called for all the open_output_stream requests, in other words
+ * the core audio_hw->open_output_stream is overridden by this funtion
+ */
+int audio_extn_qap_open_output_stream(struct audio_hw_device *dev,
+                                   audio_io_handle_t handle,
+                                   audio_devices_t devices,
+                                   audio_output_flags_t flags,
+                                   struct audio_config *config,
+                                   struct audio_stream_out **stream_out,
+                                   const char *address __unused);
+void audio_extn_qap_close_output_stream(struct audio_hw_device *dev __unused,
+                                        struct audio_stream_out *stream);
+/*
+ * this funtion is how HAL QAP extention gets to know the device connection/disconnection
+ */
+int audio_extn_qap_set_parameters(struct audio_device *adev, struct str_parms *parms);
+int audio_extn_qap_out_set_param_data(struct stream_out *out,
+                           audio_extn_param_id param_id,
+                           audio_extn_param_payload *payload);
+int audio_extn_qap_out_get_param_data(struct stream_out *out,
+                             audio_extn_param_id param_id,
+                             audio_extn_param_payload *payload);
+/*
+ * helper funtion.
+ */
+bool audio_extn_is_qap_stream(struct stream_out *out);
+#else
+#define audio_extn_qap_is_enabled()                                     (0)
+#define audio_extn_qap_deinit()                                         (0)
+#define audio_extn_qap_close_output_stream         adev_close_output_stream
+#define audio_extn_qap_open_output_stream           adev_open_output_stream
+#define audio_extn_qap_init(adev)                                       (0)
+#define audio_extn_qap_set_parameters(adev, parms)                      (0)
+#define audio_extn_qap_out_set_param_data(out, param_id, payload)       (0)
+#define audio_extn_qap_out_get_param_data(out, param_id, payload)       (0)
+#define audio_extn_is_qap_stream(out)                                   (0)
+#endif
+
+
 #ifdef AUDIO_EXTN_BT_HAL_ENABLED
 int audio_extn_bt_hal_load(void **handle);
 int audio_extn_bt_hal_open_output_stream(void *handle, int in_rate, audio_channel_mask_t channel_mask, int bit_width);