Fujitsu DTV/STB solution driver (FAPex driver) Documentation [V01L00R00]


CLKPWR Driver

Table of Contents

Introduction
Public Interface

Driver Usage
Driver Relationship
References

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Introduction

The clock power driver provides simple functions to power down / wake up / reset certain modules.
Applications shall take care of what has been put on standby and therefore needs to be woken up again.
Additionally the driver supports watchdog function and pulse width modulation.

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Public Interface

System Driver Interface

Driver initialization function

  • Linux:
    The CLKPWR driver module is initialized by following command on target board.
     # modprobe fapex_fdlclkpwr
  • RTOS:
    The CLKPWR driver module is initialized by calling FAPEX_common_init().

Driver exit function

  • Linux:
    The CLKPWR driver module is unregistered by following command on target board.
     # modprobe -rq fapex_fdlclkpwr
  • RTOS:
    The CLKPWR driver module is unregistered by calling FAPEX_common_exit().

Application Programming Interface

Functions and Macros

The driver provides the functions and macros listed below. For more information please follow the links to their detailed documentation.

Open Driver
FAPEX_CLKPWR_Open()
Close Driver
FAPEX_CLKPWR_Close()
I/O control of Driver
FAPEX_CLKPWR_Ioctl()
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Driver Usage

Please refer to following sequence diagram for the usage of this driver.

inline_dotgraph_3.dot
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Driver Relationship

The CLKPWR driver is related with the following drivers:

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References

  • MB86H61 Device Manual
    Chapter 10. Clock Power
    Chapter 24.2 Pulse Width Modulation (PWM) Register


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