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drivers/usb/acpi: Add a Power Resource for Intel Bluetooth

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Add a Power Resource for Intel Bluetooth, that can reset
the Bluetooth using the delay configured in the DSM.

Change-Id: I3b25fd180e21100e3cb001fc6ba0da7f47b2ad12
Signed-off-by: Sean Rhodes <sean@starlabs.systems>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/84146
Reviewed-by: Matt DeVillier <matt.devillier@gmail.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
This commit is contained in:
Sean Rhodes 2024-08-30 13:49:54 +01:00 • committed by Felix Held
commit 2ec9addc30
1 changed files with 67 additions and 0 deletions
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67
src/drivers/usb/acpi/usb_acpi.c
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@ -129,6 +129,73 @@ static void acpi_device_intel_bt(void)
};
acpigen_write_dsm_uuid_arr(uuid_callbacks, ARRAY_SIZE(uuid_callbacks));
/*
* PowerResource (BTRT, 0x05, 0x0000)
* {
* Method (_STA, 0, NotSerialized)
* {
* Return (One)
* }
* Method (_ON, 0, NotSerialized)
* {
* }
* Method (_OFF, 0, NotSerialized)
* {
* }
* Method (_RST, 0, NotSerialized)
* {
* Local0 = Acquire (CNMT, 0x03E8)
* If ((Local0 == Zero))
* {
* BTRK (Zero)
* Sleep (RDLY)
* BTRK (One)
* Sleep (RDLY)
* }
* Release (CNMT)
* }
* }
*/
acpigen_write_power_res("BTRT", 5, 0, NULL, 0);
{
acpigen_write_method("_STA", 0);
{
acpigen_write_return_integer(1);
}
acpigen_pop_len();
acpigen_write_method("_ON", 0);
acpigen_pop_len();
acpigen_write_method("_OFF", 0);
acpigen_pop_len();
acpigen_write_method("_RST", 0);
{
acpigen_write_store();
acpigen_write_acquire("CNMT", 0x03e8);
acpigen_emit_byte(LOCAL0_OP);
acpigen_write_if_lequal_op_int(LOCAL0_OP, 0);
{
acpigen_emit_namestring("BTRK");
acpigen_emit_byte(0);
acpigen_emit_ext_op(SLEEP_OP);
acpigen_emit_namestring("RDLY");
acpigen_emit_namestring("BTRK");
acpigen_emit_byte(1);
acpigen_emit_ext_op(SLEEP_OP);
acpigen_emit_namestring("RDLY");
}
acpigen_pop_len();
acpigen_write_release("CNMT");
}
acpigen_pop_len();
}
acpigen_write_power_res_end();
}
static bool usb_acpi_add_gpios_to_crs(struct drivers_usb_acpi_config *cfg)