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ACPI: Add acpigen_write_PTC() 

Change-Id: Ibaf2d7105e7a5da8a50ef32b682978ff55fe31e0
Signed-off-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/74473
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Arthur Heymans <arthur@aheymans.xyz>
This commit is contained in:
Kyösti Mälkki 2023-04-17 12:11:03 +03:00
parent d48982acac
commit ddc37d69cb
2 changed files with 21 additions and 11 deletions
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31
src/acpi/acpigen.c
View File

@ -711,7 +711,7 @@ void acpigen_write_empty_PCT(void)
acpigen_emit_stream(stream, ARRAY_SIZE(stream));
}
void acpigen_write_empty_PTC(void)
void acpigen_write_PTC(uint8_t duty_width, uint8_t duty_offset, uint16_t p_cnt)
{
/*
Name (_PTC, Package (0x02)
@ -719,31 +719,35 @@ void acpigen_write_empty_PTC(void)
ResourceTemplate ()
{
Register (FFixedHW,
0x00, // Bit Width
0x00, // Bit Offset
0x0000000000000000, // Address
0x00, // Duty Width
0x00, // Duty Offset
0x0000000000000000, // P_CNT IO Address
,)
},
ResourceTemplate ()
{
Register (FFixedHW,
0x00, // Bit Width
0x00, // Bit Offset
0x0000000000000000, // Address
0x00, // Duty Width
0x00, // Duty Offset
0x0000000000000000, // P_CNT IO Address
,)
}
})
*/
acpi_addr_t addr = {
.space_id = ACPI_ADDRESS_SPACE_FIXED,
.bit_width = 0,
.bit_offset = 0,
.bit_width = duty_width,
.bit_offset = duty_offset,
.access_size = ACPI_ACCESS_SIZE_UNDEFINED,
.addrl = 0,
.addrl = p_cnt,
.addrh = 0,
};
if (addr.addrl != 0)
addr.space_id = ACPI_ADDRESS_SPACE_IO;
else
addr.space_id = ACPI_ADDRESS_SPACE_FIXED;
acpigen_write_name("_PTC");
acpigen_write_package(2);
@ -756,6 +760,11 @@ void acpigen_write_empty_PTC(void)
acpigen_pop_len();
}
void acpigen_write_empty_PTC(void)
{
acpigen_write_PTC(0, 0, 0);
}
static void __acpigen_write_method(const char *name, uint8_t flags)
{
acpigen_emit_byte(METHOD_OP);

1
src/include/acpi/acpigen.h
View File

@ -431,6 +431,7 @@ void acpigen_write_PPC(u8 nr);
void acpigen_write_PPC_NVS(void);
void acpigen_write_empty_PCT(void);
void acpigen_write_empty_PTC(void);
void acpigen_write_PTC(uint8_t duty_width, uint8_t duty_offset, uint16_t p_cnt);
void acpigen_write_PRW(u32 wake, u32 level);
void acpigen_write_STA(uint8_t status);
void acpigen_write_STA_ext(const char *namestring);