apm_bios_call

函数名称：apm_bios_call_simple - make a simple APM BIOS 32bit call*@func: APM function to invoke*@ebx_in: EBX register value for BIOS call*@ecx_in: ECX register value for BIOS call*@eax: EAX register on return from the BIOS call*@err: bits

函数原型：static int apm_bios_call_simple(unsigned int func, unsigned int ebx_in, unsigned int ecx_in, unsigned int *eax, int *err)

返回类型：int

参数：

类型	参数	名称
unsigned int	func
unsigned int	ebx_in
unsigned int	ecx_in
unsigned int *	eax
int *	err

**调用者**
名称	描述
apm_driver_version	apm_driver_version - APM driver version@val: loaded with the APM version on return Retrieve the APM version supported by the BIOS
set_power_state	set_power_state - set the power management state@what: which items to transition@state: state to transition to* Request an APM change of state for one or more system devices
apm_do_idle	apm_do_idle - perform power saving* This function notifies the BIOS that the processor is (in the view* of the OS) idle. It returns -1 in the event that the BIOS refuses* to handle the idle request. On a success the function returns 1
apm_do_busy	apm_do_busy - inform the BIOS the CPU is busy* Request that the BIOS brings the CPU back to full performance.
apm_engage_power_management	apm_engage_power_management - enable PM on a device@device: identity of device@enable: on/off* Activate or deactivate power management on either a specific device* or the entire system (%APM_DEVICE_ALL).

函数逻辑报告