void
AcpiHwClearGpe (
UINT32 GpeNumber)
{
UINT32 RegisterIndex;
UINT32 BitMask;
FUNCTION_ENTRY ();
/*
* Translate GPE number to index into global registers array.
*/
RegisterIndex = AcpiGbl_GpeValid[GpeNumber];
/*
* Figure out the bit offset for this GPE within the target register.
*/
BitMask = AcpiGbl_DecodeTo8bit [MOD_8 (GpeNumber)];
/*
* Write a one to the appropriate bit in the status register to
* clear this GPE.
*/
AcpiOsWritePort (AcpiGbl_GpeRegisters[RegisterIndex].StatusAddr, BitMask, 8);
}
void
acpi_hw_disable_gpe (
u32 gpe_number)
{
u8 in_byte;
u32 register_index;
u8 bit_mask;
/*
* Translate GPE number to index into global registers array.
*/
register_index = acpi_gbl_gpe_valid[gpe_number];
/*
* Figure out the bit offset for this GPE within the target register.
*/
bit_mask = acpi_gbl_decode_to8bit [MOD_8 (gpe_number)];
/*
* Read the current value of the register, clear the appropriate bit,
* and write out the new register value to disable the GPE.
*/
in_byte = acpi_os_in8 (acpi_gbl_gpe_registers[register_index].enable_addr);
acpi_os_out8 (acpi_gbl_gpe_registers[register_index].enable_addr,
(u8)(in_byte & ~bit_mask));
}
void
AcpiHwDisableGpe (
UINT32 GpeNumber)
{
UINT32 InByte;
UINT32 RegisterIndex;
UINT32 BitMask;
FUNCTION_ENTRY ();
/*
* Translate GPE number to index into global registers array.
*/
RegisterIndex = AcpiGbl_GpeValid[GpeNumber];
/*
* Figure out the bit offset for this GPE within the target register.
*/
BitMask = AcpiGbl_DecodeTo8bit [MOD_8 (GpeNumber)];
/*
* Read the current value of the register, clear the appropriate bit,
* and write out the new register value to disable the GPE.
*/
InByte = 0;
AcpiOsReadPort (AcpiGbl_GpeRegisters[RegisterIndex].EnableAddr, &InByte, 8);
AcpiOsWritePort (AcpiGbl_GpeRegisters[RegisterIndex].EnableAddr,
(InByte & ~BitMask), 8);
}
void
acpi_hw_enable_gpe_for_wakeup (
u32 gpe_number)
{
u32 register_index;
u32 bit_mask;
FUNCTION_ENTRY ();
/*
* Translate GPE number to index into global registers array.
*/
register_index = acpi_gbl_gpe_valid[gpe_number];
/*
* Figure out the bit offset for this GPE within the target register.
*/
bit_mask = acpi_gbl_decode_to8bit [MOD_8 (gpe_number)];
/*
* Set the bit so we will not disable this when sleeping
*/
acpi_gbl_gpe_registers[register_index].wake_enable |= bit_mask;
}
void
acpi_hw_enable_gpe (
u32 gpe_number)
{
u32 in_byte;
u32 register_index;
u32 bit_mask;
FUNCTION_ENTRY ();
/*
* Translate GPE number to index into global registers array.
*/
register_index = acpi_gbl_gpe_valid[gpe_number];
/*
* Figure out the bit offset for this GPE within the target register.
*/
bit_mask = acpi_gbl_decode_to8bit [MOD_8 (gpe_number)];
/*
* Read the current value of the register, set the appropriate bit
* to enable the GPE, and write out the new register.
*/
in_byte = 0;
acpi_os_read_port (acpi_gbl_gpe_registers[register_index].enable_addr, &in_byte, 8);
acpi_os_write_port (acpi_gbl_gpe_registers[register_index].enable_addr,
(in_byte | bit_mask), 8);
}
void
acpi_hw_clear_gpe (
u32 gpe_number)
{
u32 register_index;
u32 bit_mask;
FUNCTION_ENTRY ();
/*
* Translate GPE number to index into global registers array.
*/
register_index = acpi_gbl_gpe_valid[gpe_number];
/*
* Figure out the bit offset for this GPE within the target register.
*/
bit_mask = acpi_gbl_decode_to8bit [MOD_8 (gpe_number)];
/*
* Write a one to the appropriate bit in the status register to
* clear this GPE.
*/
acpi_os_write_port (acpi_gbl_gpe_registers[register_index].status_addr, bit_mask, 8);
}
void
acpi_hw_get_gpe_status (
u32 gpe_number,
acpi_event_status *event_status)
{
u32 in_byte = 0;
u32 register_index = 0;
u32 bit_mask = 0;
FUNCTION_ENTRY ();
if (!event_status) {
return;
}
(*event_status) = 0;
/*
* Translate GPE number to index into global registers array.
*/
register_index = acpi_gbl_gpe_valid[gpe_number];
/*
* Figure out the bit offset for this GPE within the target register.
*/
bit_mask = acpi_gbl_decode_to8bit [MOD_8 (gpe_number)];
/*
* Enabled?:
*/
in_byte = 0;
acpi_os_read_port (acpi_gbl_gpe_registers[register_index].enable_addr, &in_byte, 8);
if (bit_mask & in_byte) {
(*event_status) |= ACPI_EVENT_FLAG_ENABLED;
}
/*
* Enabled for wake?:
*/
if (bit_mask & acpi_gbl_gpe_registers[register_index].wake_enable) {
(*event_status) |= ACPI_EVENT_FLAG_WAKE_ENABLED;
}
/*
* Set?
*/
in_byte = 0;
acpi_os_read_port (acpi_gbl_gpe_registers[register_index].status_addr, &in_byte, 8);
if (bit_mask & in_byte) {
(*event_status) |= ACPI_EVENT_FLAG_SET;
}
}
void
AcpiHwGetGpeStatus (
UINT32 GpeNumber,
ACPI_EVENT_STATUS *EventStatus)
{
UINT32 InByte = 0;
UINT32 RegisterIndex = 0;
UINT32 BitMask = 0;
FUNCTION_ENTRY ();
if (!EventStatus)
{
return;
}
(*EventStatus) = 0;
/*
* Translate GPE number to index into global registers array.
*/
RegisterIndex = AcpiGbl_GpeValid[GpeNumber];
/*
* Figure out the bit offset for this GPE within the target register.
*/
BitMask = AcpiGbl_DecodeTo8bit [MOD_8 (GpeNumber)];
/*
* Enabled?:
*/
InByte = 0;
AcpiOsReadPort (AcpiGbl_GpeRegisters[RegisterIndex].EnableAddr, &InByte, 8);
if (BitMask & InByte)
{
(*EventStatus) |= ACPI_EVENT_FLAG_ENABLED;
}
/*
* Set?
*/
InByte = 0;
AcpiOsReadPort (AcpiGbl_GpeRegisters[RegisterIndex].StatusAddr, &InByte, 8);
if (BitMask & InByte)
{
(*EventStatus) |= ACPI_EVENT_FLAG_SET;
}
}
void
acpi_hw_get_gpe_status (
u32 gpe_number,
ACPI_EVENT_STATUS *event_status)
{
u8 in_byte = 0;
u32 register_index = 0;
u8 bit_mask = 0;
if (!event_status) {
return;
}
(*event_status) = 0;
/*
* Translate GPE number to index into global registers array.
*/
register_index = acpi_gbl_gpe_valid[gpe_number];
/*
* Figure out the bit offset for this GPE within the target register.
*/
bit_mask = acpi_gbl_decode_to8bit [MOD_8 (gpe_number)];
/*
* Enabled?:
*/
in_byte = acpi_os_in8 (acpi_gbl_gpe_registers[register_index].enable_addr);
if (bit_mask & in_byte) {
(*event_status) |= ACPI_EVENT_FLAG_ENABLED;
}
/*
* Set?
*/
in_byte = acpi_os_in8 (acpi_gbl_gpe_registers[register_index].status_addr);
if (bit_mask & in_byte) {
(*event_status) |= ACPI_EVENT_FLAG_SET;
}
}
