Android的专用驱动：Ashmem、binder、logger

Ashmem:匿名共享内存驱动

Logger：轻量级的log驱动

Binder：基于OpenBinder驱动，为android平台提供IPC支持。

Android Power Management：定时器驱动，用于唤醒设备

Ashmem路径：

kernel/include/linux/ashmem.h

Kernel/mm/ashmem.c

提供的接口：system/core/include/cutils/ashmem.h

System/core/libcutils/ashmem-dev.c

System/core/libcutils/ashmem-host.c

Binder驱动提供IPC支持，android整个系统的运行依赖binder驱动。

Kernel/include/linux/binder.h

Kernel/drivers/misc/binder.c

Frameworks/base/cmds/servicemanager/

Frameworks/base/include/utils

Frameworks/base/libs/utils

Logger驱动的代码：

Kernel/include/linux/logger.h

Kernek/drivers/misc/logger.c

Syste,m/core/logcat

Framebuffer驱动：

Include/linux/fb.h

Drivers/video/fbmem.c

Input驱动：

include/linux/input.h

android/s1/kernel/include/linux(android)

Drivers/input/input.c

/kernel/drivers/input

Drivers/input/evdev.c

Event输入设备驱动

V412摄像头视频驱动:

Include/linux/videodev.h

Include/linux/videodev2.h

Include/media/v412-dev.h

Drivers/media/video/v412-dev.c

OSS(open sound system)音频驱动：

Include/linux/soundcard.h

Include/linux/sound.h

Sound/sound_core.c

ALSA(advanced linux sound architecture高级linux声音体系)音频驱动：

Include/sound/asound.h

Include/sound/core.h

Sound/core/sound.c

MTD(memory technology device内存技术设备)驱动:

Include/linux/mtd/mtd.h

Drivers/mtd/mtdcore.c

Drivers/mtd/mtdchar.c

Drivers/mtd/mtdblock.c

蓝牙驱动:

Include/net/bluetooth/hci_core.h

Include/net/bluetooth/bluetooth.h

Net/bluetooth/*

Drivers/bluetooth/*

Wlan驱动:

Include/net/wireless.h

Net/wireless/*

Drivers/net/wireless/*

I2C驱动：

/kernel/drivers/i2c

触摸屏驱动：

/kernel/drivers/input/touchscreen/*

USB gadget 设备功能介绍 目前usb 主要实现的功能有：adb，mass_storage，mtp，serial，其中框架功能由如下两 个文件实现： 1．drivers/usb/gadget/android.c(包含对RNDIS 的支持) 2．drivers/usb/gadget/composite.c 各个具体的功能则由如下文件实现： 1．drivers/usb/gadget/f_adb.c 2．drivers/usb/gadget/f_mass_storage.c 3．drivers/usb/gadget/f_mtp.c