1# Copyright (C) 2016 The Android Open Source Project
2#
3# Licensed under the Apache License, Version 2.0 (the "License");
4# you may not use this file except in compliance with the License.
5# You may obtain a copy of the License at
6#
7#      http://www.apache.org/licenses/LICENSE-2.0
8#
9# Unless required by applicable law or agreed to in writing, software
10# distributed under the License is distributed on an "AS IS" BASIS,
11# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12# See the License for the specific language governing permissions and
13# limitations under the License.
14
15LOCAL_PATH := $(call my-dir)
16
17wifi_hal_cflags := \
18    -Wall \
19    -Werror \
20    -Wextra \
21    -Winit-self \
22    -Wno-unused-function \
23    -Wno-unused-parameter \
24    -Wshadow \
25    -Wunused-variable \
26    -Wwrite-strings
27ifdef WIFI_DRIVER_MODULE_PATH
28wifi_hal_cflags += -DWIFI_DRIVER_MODULE_PATH=\"$(WIFI_DRIVER_MODULE_PATH)\"
29endif
30ifdef WIFI_DRIVER_MODULE_ARG
31wifi_hal_cflags += -DWIFI_DRIVER_MODULE_ARG=\"$(WIFI_DRIVER_MODULE_ARG)\"
32endif
33ifdef WIFI_DRIVER_MODULE_NAME
34wifi_hal_cflags += -DWIFI_DRIVER_MODULE_NAME=\"$(WIFI_DRIVER_MODULE_NAME)\"
35endif
36ifdef WIFI_DRIVER_FW_PATH_STA
37wifi_hal_cflags += -DWIFI_DRIVER_FW_PATH_STA=\"$(WIFI_DRIVER_FW_PATH_STA)\"
38endif
39ifdef WIFI_DRIVER_FW_PATH_AP
40wifi_hal_cflags += -DWIFI_DRIVER_FW_PATH_AP=\"$(WIFI_DRIVER_FW_PATH_AP)\"
41endif
42ifdef WIFI_DRIVER_FW_PATH_P2P
43wifi_hal_cflags += -DWIFI_DRIVER_FW_PATH_P2P=\"$(WIFI_DRIVER_FW_PATH_P2P)\"
44endif
45
46# Some devices use a different path (e.g. devices with broadcom WiFi parts).
47ifdef WIFI_DRIVER_FW_PATH_PARAM
48wifi_hal_cflags += -DWIFI_DRIVER_FW_PATH_PARAM=\"$(WIFI_DRIVER_FW_PATH_PARAM)\"
49else
50wifi_hal_cflags += -DWIFI_DRIVER_FW_PATH_PARAM=\"/sys/module/wlan/parameters/fwpath\"
51endif
52
53ifdef WIFI_DRIVER_STATE_CTRL_PARAM
54wifi_hal_cflags += -DWIFI_DRIVER_STATE_CTRL_PARAM=\"$(WIFI_DRIVER_STATE_CTRL_PARAM)\"
55endif
56ifdef WIFI_DRIVER_STATE_ON
57wifi_hal_cflags += -DWIFI_DRIVER_STATE_ON=\"$(WIFI_DRIVER_STATE_ON)\"
58endif
59ifdef WIFI_DRIVER_STATE_OFF
60wifi_hal_cflags += -DWIFI_DRIVER_STATE_OFF=\"$(WIFI_DRIVER_STATE_OFF)\"
61endif
62ifeq ($(WIFI_MULTIPLE_VENDOR_HALS), true)
63wifi_hal_cflags += -DWIFI_MULTIPLE_VENDOR_HALS
64endif
65
66# Common code shared between the HALs.
67# ============================================================
68include $(CLEAR_VARS)
69LOCAL_MODULE := libwifi-hal-common
70LOCAL_LICENSE_KINDS := SPDX-license-identifier-Apache-2.0
71LOCAL_LICENSE_CONDITIONS := notice
72LOCAL_VENDOR_MODULE := true
73LOCAL_CFLAGS := $(wifi_hal_cflags)
74LOCAL_C_INCLUDES := $(LOCAL_PATH)/include
75LOCAL_SHARED_LIBRARIES := libbase
76LOCAL_HEADER_LIBRARIES := libcutils_headers
77LOCAL_SRC_FILES := wifi_hal_common.cpp
78include $(BUILD_STATIC_LIBRARY)
79
80# A fallback "vendor" HAL library.
81# Don't link this, link libwifi-hal.
82# ============================================================
83include $(CLEAR_VARS)
84LOCAL_MODULE := libwifi-hal-fallback
85LOCAL_LICENSE_KINDS := SPDX-license-identifier-Apache-2.0
86LOCAL_LICENSE_CONDITIONS := notice
87LOCAL_VENDOR_MODULE := true
88LOCAL_CFLAGS := $(wifi_hal_cflags)
89LOCAL_SRC_FILES := wifi_hal_fallback.cpp
90LOCAL_HEADER_LIBRARIES := libhardware_legacy_headers
91include $(BUILD_STATIC_LIBRARY)
92
93# Pick a vendor provided HAL implementation library.
94# ============================================================
95ifeq ($(WIFI_MULTIPLE_VENDOR_HALS), true)
96  # vendor HALs are loaded dynamically and not linked here
97  LIB_WIFI_HAL :=
98else
99  LIB_WIFI_HAL ?= libwifi-hal-fallback
100  VENDOR_LOCAL_SHARED_LIBRARIES :=
101  ifeq ($(BOARD_WLAN_DEVICE), bcmdhd)
102    LIB_WIFI_HAL := libwifi-hal-bcm
103    VENDOR_LOCAL_SHARED_LIBRARIES := libcrypto
104ifneq ($(wildcard vendor/google/libraries/GoogleWifiConfigLib),)
105    VENDOR_LOCAL_SHARED_LIBRARIES += \
106        google_wifi_firmware_config_version_c_wrapper
107endif
108  else ifeq ($(BOARD_WLAN_DEVICE), qcwcn)
109    LIB_WIFI_HAL := libwifi-hal-qcom
110    VENDOR_LOCAL_SHARED_LIBRARIES := libcld80211
111  else ifeq ($(BOARD_WLAN_DEVICE), mrvl)
112    # this is commented because none of the nexus devices
113    # that sport Marvell's wifi have support for HAL
114    # LIB_WIFI_HAL := libwifi-hal-mrvl
115  else ifeq ($(BOARD_WLAN_DEVICE), MediaTek)
116    # support MTK WIFI HAL
117    LIB_WIFI_HAL := libwifi-hal-mt66xx
118  else ifeq ($(BOARD_WLAN_DEVICE), realtek)
119    # support Realtek WIFI HAL
120    LIB_WIFI_HAL := libwifi-hal-rtk
121  else ifeq ($(BOARD_WLAN_DEVICE), emulator)
122    LIB_WIFI_HAL := libwifi-hal-emu
123  else ifeq ($(BOARD_WLAN_DEVICE), slsi)
124    LIB_WIFI_HAL := libwifi-hal-slsi
125  endif
126endif
127
128# The WiFi HAL that you should be linking.
129# ============================================================
130include $(CLEAR_VARS)
131LOCAL_MODULE := libwifi-hal
132LOCAL_LICENSE_KINDS := SPDX-license-identifier-Apache-2.0
133LOCAL_LICENSE_CONDITIONS := notice
134LOCAL_PROPRIETARY_MODULE := true
135LOCAL_CFLAGS := $(wifi_hal_cflags)
136LOCAL_C_INCLUDES := $(LOCAL_PATH)/include
137LOCAL_EXPORT_C_INCLUDE_DIRS := \
138    $(LOCAL_PATH)/include
139LOCAL_EXPORT_HEADER_LIBRARY_HEADERS := libhardware_legacy_headers
140LOCAL_HEADER_LIBRARIES := libhardware_legacy_headers
141LOCAL_SHARED_LIBRARIES := \
142    libbase \
143    libcutils \
144    liblog \
145    libnl \
146    libutils \
147    $(VENDOR_LOCAL_SHARED_LIBRARIES)
148LOCAL_SRC_FILES := \
149    driver_tool.cpp \
150    hal_tool.cpp
151LOCAL_WHOLE_STATIC_LIBRARIES := $(LIB_WIFI_HAL) libwifi-hal-common
152include $(BUILD_SHARED_LIBRARY)
153
154# Test utilities (e.g. mock classes) for libwifi-hal
155# ============================================================
156include $(CLEAR_VARS)
157LOCAL_MODULE := libwifi-hal-test
158LOCAL_LICENSE_KINDS := SPDX-license-identifier-Apache-2.0
159LOCAL_LICENSE_CONDITIONS := notice
160LOCAL_CFLAGS := $(wifi_hal_cflags)
161LOCAL_C_INCLUDES := \
162    $(LOCAL_PATH)/include \
163    $(LOCAL_PATH)/testlib/include
164LOCAL_STATIC_LIBRARIES := libgmock
165LOCAL_EXPORT_C_INCLUDE_DIRS := \
166    $(LOCAL_PATH)/include \
167    $(LOCAL_PATH)/testlib/include
168include $(BUILD_STATIC_LIBRARY)
169