Function report |
Source Code:arch\x86\kernel\apm_32.c |
Create Date:2022-07-28 08:22:08 |
Last Modify:2020-03-12 14:18:49 | Copyright©Brick |
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Name: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
Proto:static int apm_bios_call_simple(unsigned int func, unsigned int ebx_in, unsigned int ecx_in, unsigned int *eax, int *err)
Type:int
Parameter:
Type | Parameter | Name |
---|---|---|
unsigned int | func | |
unsigned int | ebx_in | |
unsigned int | ecx_in | |
unsigned int * | eax | |
int * | err |
720 | In and out = ebx_in |
726 | Return ret |
Name | Describe |
---|---|
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). |
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