erebion/coreboot
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

soc/intel/common: Add support for WiFi SW RF Kill on CNVi

Browse source 
Hook CNVC and CNVS Methods into the power resource for the CNVi
which is provided via the `wifi/generic` driver to allow for WiFi
SW RF Kill (low power mode) support.

Add corresponding _PS3 and _PS0 Methods, change the power resource
to S0 from S5, and rename the power resource from WRST to CNVP for
better relevance.

Test=boot `starlabs/starlite_adl`, disconnect wireless and verify
with inteltool that the WIFI_RF_KILL GPIO is asserted.

Change-Id: I22292ad97c439e50fe5d7a6b79f77847e71ca62c
Signed-off-by: Sean Rhodes <sean@starlabs.systems>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/86403
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Matt DeVillier <matt.devillier@gmail.com>
This commit is contained in:
Sean Rhodes 2025-02-13 09:27:19 +00:00
commit def337aa7e
1 changed files with 98 additions and 21 deletions
Download patch file Download diff file Expand all files Collapse all files

119
src/soc/intel/common/block/cnvi/cnvi.c
View file

@ -92,17 +92,30 @@ static void cnvw_fill_ssdt(const struct device *dev)
acpigen_write_name_integer("RSTT", 0);
/*
* PowerResource(WRST, 5, 0)
* PowerResource(CNVP, 0, 0)
* {
* Method(_STA)
* {
* Return (0x01)
* If (CondRefOf (\_SB.PCI0.CNVS)) {
* Local0 = \_SB.PCI0.CNVS()
* Return (Local0)
* }
* Else
* {
* Return (0x01)
* }
* }
* Method(_ON, 0)
* {
* If (CondRefOf (\_SB.PCI0.CNVC)) {
* \_SB.PCI0.CNVS(1)
* }
* }
* Method(_OFF, 0)
* {
* If (CondRefOf (\_SB.PCI0.CNVC)) {
* \_SB.PCI0.CNVS(0)
* }
* }
* Method(_RST, 0, NotSerialized)
* {
@ -150,18 +163,46 @@ static void cnvw_fill_ssdt(const struct device *dev)
* }
*
*/
acpigen_write_power_res("WRST", 5, 0, NULL, 0);
acpigen_write_power_res("CNVP", 0, 0, NULL, 0);
{
acpigen_write_method("_STA", 0);
{
acpigen_write_return_integer(1);
acpigen_write_if_cond_ref_of("\\_SB.PCI0.CNVS");
{
acpigen_write_store();
acpigen_emit_namestring("\\_SB.PCI0.CNVS");
acpigen_emit_byte(LOCAL0_OP);
acpigen_write_return_op(LOCAL0_OP);
}
acpigen_write_else();
{
acpigen_write_return_integer(1);
}
acpigen_pop_len();
}
acpigen_pop_len();
acpigen_write_method("_ON", 0);
{
acpigen_write_if_cond_ref_of("\\_SB.PCI0.CNVC");
{
acpigen_emit_namestring("\\_SB.PCI0.CNVC");
acpigen_emit_byte(1);
}
acpigen_pop_len();
}
acpigen_pop_len();
acpigen_write_method("_OFF", 0);
{
acpigen_write_if_cond_ref_of("\\_SB.PCI0.CNVC");
{
acpigen_emit_namestring("\\_SB.PCI0.CNVC");
acpigen_emit_byte(0);
}
acpigen_pop_len();
}
acpigen_pop_len();
acpigen_write_method("_RST", 0);
@ -266,13 +307,64 @@ static void cnvw_fill_ssdt(const struct device *dev)
/*
* Name (_PRR, Package (0x01)
* {
* WRST
* CNVP
* })
*/
acpigen_write_name("_PRR");
{
acpigen_write_package(1);
acpigen_emit_namestring("WRST");
acpigen_emit_namestring("CNVP");
}
acpigen_pop_len();
/*
* Name (_PR0, Package (0x01)
* {
* CNVP
* })
*/
acpigen_write_name("_PR0");
{
acpigen_write_package(1);
acpigen_emit_namestring("CNVP");
}
acpigen_pop_len();
/*
* Method (_PS0, 0, NotSerialized)
* {
* If (CondRefOf (\_SB.PCI0.CNVC)) {
* \_SB.PCI0.CNVS(1)
* }
* }
*/
acpigen_write_method("_PS0", 0);
{
acpigen_write_if_cond_ref_of("\\_SB.PCI0.CNVC");
{
acpigen_emit_namestring("\\_SB.PCI0.CNVC");
acpigen_emit_byte(1);
}
acpigen_pop_len();
}
acpigen_pop_len();
/*
* Method (_PS3, 0, NotSerialized)
* {
* If (CondRefOf (\_SB.PCI0.CNVC)) {
* \_SB.PCI0.CNVS(0)
* }
* }
*/
acpigen_write_method("_PS3", 0);
{
acpigen_write_if_cond_ref_of("\\_SB.PCI0.CNVC");
{
acpigen_emit_namestring("\\_SB.PCI0.CNVC");
acpigen_emit_byte(0);
}
acpigen_pop_len();
}
acpigen_pop_len();
@ -305,21 +397,6 @@ static void cnvw_fill_ssdt(const struct device *dev)
}
acpigen_pop_len();
/*
* Method (_PS0, 0, Serialized)
* {
* }
*
* Method (_PS3, 0, Serialized)
* {
* }
*/
acpigen_write_method_serialized("_PS0", 0);
acpigen_pop_len();
acpigen_write_method_serialized("_PS3", 0);
acpigen_pop_len();
/*
* Method (CFLR, 0, NotSerialized)
* {