From 394fdf4dec4bd4687cd707cc8b2809f49b2976cd Mon Sep 17 00:00:00 2001
From: Wootak Jung <wootak.jung@samsung.com>
Date: Mon, 18 Jan 2021 10:24:37 +0900
Subject: [PATCH] Apply next HAL architecture (hal api + backend)

Change-Id: I9144058b44622f46b3054b83ab39e75d471e8bce
Signed-off-by: Wootak Jung <wootak.jung@samsung.com>
---
 CMakeLists.txt                        |  1 +
 packaging/bluetooth-firmware-bcm.spec |  4 ++
 src/CMakeLists.txt                    | 25 ++++++++++++
 src/hal-backend-bluetooth.c           | 75 +++++++++++++++++++++++++++++++++++
 4 files changed, 105 insertions(+)
 create mode 100644 src/CMakeLists.txt
 create mode 100644 src/hal-backend-bluetooth.c

diff --git a/CMakeLists.txt b/CMakeLists.txt
index ff2d9b6..a196a1b 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -14,3 +14,4 @@ ADD_SUBDIRECTORY(set-address)
 ADD_SUBDIRECTORY(tools)
 ADD_SUBDIRECTORY(firmware)
 ADD_SUBDIRECTORY(scripts)
+ADD_SUBDIRECTORY(src)
diff --git a/packaging/bluetooth-firmware-bcm.spec b/packaging/bluetooth-firmware-bcm.spec
index 2212b4a..5a4d44d 100644
--- a/packaging/bluetooth-firmware-bcm.spec
+++ b/packaging/bluetooth-firmware-bcm.spec
@@ -12,6 +12,9 @@ Source2:    bluetooth-hci-device.service
 Provides:   bluetooth-scripts
 
 BuildRequires:  pkgconfig(vconf)
+BuildRequires:  pkgconfig(dlog)
+BuildRequires:  pkgconfig(hal-api-common)
+BuildRequires:  pkgconfig(hal-api-bluetooth)
 BuildRequires:  cmake
 
 %description
@@ -156,3 +159,4 @@ ln -s %{_prefix}/etc/bluetooth/BCM4345C0.hcd /lib/firmware/brcm/
 %attr(755,-,-) %{_prefix}/etc/bluetooth/bt-dev-end-rpi3.sh
 %attr(755,-,-) %{_prefix}/etc/bluetooth/bt-dev-start-rpi3.sh
 %manifest %{name}.manifest
+/hal/lib/*.so*
diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
new file mode 100644
index 0000000..ca1fc73
--- /dev/null
+++ b/src/CMakeLists.txt
@@ -0,0 +1,25 @@
+CMAKE_MINIMUM_REQUIRED(VERSION 2.6)
+PROJECT(hal-backend-bluetooth C)
+
+INCLUDE_DIRECTORIES(${PROJECT_SOURCE_DIR}/include)
+
+INCLUDE(FindPkgConfig)
+pkg_check_modules(hal-backend-bluetooth_pkgs REQUIRED
+	dlog
+	hal-api-common
+	hal-api-bluetooth
+)
+
+SET(SRCS
+	${PROJECT_SOURCE_DIR}/${PROJECT_NAME}.c)
+
+FOREACH(flag ${hal-backend-bluetooth_pkgs_CFLAGS})
+	SET(EXTRA_CFLAGS "${EXTRA_CFLAGS} ${flag}")
+ENDFOREACH(flag)
+
+SET(EXTRA_CFLAGS "${EXTRA_CFLAGS} -fvisibility=hidden")
+SET(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} ${EXTRA_CFLAGS}")
+
+ADD_LIBRARY(${PROJECT_NAME} SHARED ${SRCS})
+TARGET_LINK_LIBRARIES(${PROJECT_NAME} ${hal-backend-bluetooth_pkgs_LDFLAGS})
+INSTALL(TARGETS ${PROJECT_NAME} DESTINATION /hal/lib COMPONENT RuntimeLibraries)
diff --git a/src/hal-backend-bluetooth.c b/src/hal-backend-bluetooth.c
new file mode 100644
index 0000000..cd71c84
--- /dev/null
+++ b/src/hal-backend-bluetooth.c
@@ -0,0 +1,75 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <stdint.h>
+#include <errno.h>
+#include <dlog.h>
+
+#include <hal/hal-bluetooth-interface.h>
+
+#undef LOG_TAG
+#define LOG_TAG "HALAPI_BLUETOOTH"
+
+#define EXPORT __attribute__ ((visibility("default")))
+
+static int bluetooth_bcm_start(void)
+{
+	int ret;
+	ret = system("/usr/etc/bluetooth/bt-stack-up.sh");
+	if (ret == 0x100) {
+		LOGE("script internal failed");
+		return HAL_BACKEND_ERROR_INTERNAL;
+	} else if (ret == 0x200) {
+		LOGE("script timeout failed");
+		return HAL_BACKEND_ERROR_TIMEOUT;
+	}
+	LOGD("script started successfully");
+	return HAL_BACKEND_ERROR_NONE;
+}
+
+static int bluetooth_bcm_stop(void)
+{
+	int ret;
+	ret = system("/usr/etc/bluetooth/bt-stack-down.sh");
+	if (ret == 0x100) {
+		LOGE("script internal failed");
+		return HAL_BACKEND_ERROR_INTERNAL;
+	} else if (ret == 0x200) {
+		LOGE("script timeout failed");
+		return HAL_BACKEND_ERROR_TIMEOUT;
+	}
+	LOGD("script started successfully");
+	return HAL_BACKEND_ERROR_NONE;
+}
+
+static int bluetooth_bcm_init(void **data)
+{
+	hal_backend_bluetooth_funcs *bluetooth_funcs;
+
+	bluetooth_funcs = calloc(1, sizeof(hal_backend_bluetooth_funcs));
+	if (!bluetooth_funcs)
+		return -ENOMEM;
+
+	bluetooth_funcs->start = bluetooth_bcm_start;
+	bluetooth_funcs->stop = bluetooth_bcm_stop;
+
+	*data = (void *)bluetooth_funcs;
+
+	return 0;
+}
+
+static int bluetooth_bcm_exit(void *data)
+{
+	if (!data)
+		return -EINVAL;
+	free(data);
+
+	return 0;
+}
+
+hal_backend EXPORT hal_backend_bluetooth_data = {
+	.name = "bluetooth",
+	.vendor = "broadcom",
+	.abi_version = HAL_ABI_VERSION_TIZEN_6_5,
+	.init = bluetooth_bcm_init,
+	.exit = bluetooth_bcm_exit,
+};
-- 
2.7.4