acpigen: Add acpigen_notify

A fairly common thing in ACPI is notifying a device when some kind of
device-specific event happens; this function simplifies writing this
pattern.

Signed-off-by: Tim Wawrzynczak <twawrzynczak@chromium.org>
Change-Id: I0f18db9cc836ec9249604452f03ed9b4c6478827
Reviewed-on: https://review.coreboot.org/c/coreboot/+/42102
Reviewed-by: Sumeet R Pawnikar <sumeet.r.pawnikar@intel.com>
Reviewed-by: Nick Vaccaro <nvaccaro@google.com>
Reviewed-by: Duncan Laurie <dlaurie@chromium.org>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
This commit is contained in:
Tim Wawrzynczak 2020-06-04 15:18:47 -06:00 committed by Duncan Laurie
parent c5316ec4d6
commit f694502697
2 changed files with 10 additions and 0 deletions

View File

@ -1964,3 +1964,10 @@ void acpigen_write_ADR_soundwire_device(const struct soundwire_address *address)
(((uint64_t)address->part_id & 0xffff) << 8) |
(((uint64_t)address->class & 0xff)));
}
void acpigen_notify(const char *namestr, int value)
{
acpigen_emit_byte(NOTIFY_OP);
acpigen_emit_namestring(namestr);
acpigen_write_integer(value);
}

View File

@ -509,4 +509,7 @@ void acpigen_resource_dword(u16 res_type, u16 gen_flags, u16 type_flags,
void acpigen_resource_qword(u16 res_type, u16 gen_flags, u16 type_flags,
u64 gran, u64 range_min, u64 range_max, u64 translation, u64 length);
/* Emits Notify(namestr, value) */
void acpigen_notify(const char *namestr, int value);
#endif /* __ACPI_ACPIGEN_H__ */