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/* SPDX-License-Identifier: GPL-2.0-only */
#include <acpi/acpigen.h>
#include "chip.h"
/*
* Intel Bluetooth DSM
*
* Check Tile Activation (2d19d3e1-5708-4696-bd5b-2c3dbae2d6a9)
*
* Arg2 == 0: Return a package with the following bits set
* BIT(0) Indicates whether the device supports other functions
* BIT(1) Check Tile Activation
*
* Check/Set Reset Delay (aa10f4e0-81ac-4233-abf6-3b2ac50e28d9)
* Arg2 == 0: Return a package with the following bit set
* BIT(0) Indicates whether the device supports other functions
* BIT(1) Check Bluetooth reset timing
* Arg2 == 1: Set the reset delay based on Arg3
*/
static void check_reset_delay(void *arg)
{
acpigen_write_if_lequal_op_int(ARG1_OP, 0);
{
acpigen_write_return_singleton_buffer(0x03);
}
acpigen_write_else();
{
acpigen_write_return_singleton_buffer(0x00);
}
acpigen_pop_len();
}
static void set_reset_delay(void *arg)
{
acpigen_write_store_op_to_namestr(ARG3_OP, "RDLY");
}
static void get_feature_flag(void *arg)
{
acpigen_write_if_lequal_op_int(ARG1_OP, 0);
{
acpigen_write_return_singleton_buffer(0x03);
}
acpigen_write_else();
{
acpigen_write_return_singleton_buffer(0x00);
}
acpigen_pop_len();
}
void (*uuid_callbacks1[])(void *) = { check_reset_delay, set_reset_delay };
void (*uuid_callbacks2[])(void *) = { get_feature_flag };
void acpi_device_intel_bt(void)
{
/*
* Name (RDLY, 0x69)
*/
acpigen_write_name_integer("RDLY", 0x69);
/*
* Method (_DSM, 4, Serialized)
* {
* If ((Arg0 == ToUUID ("aa10f4e0-81ac-4233-abf6-3b2ac50e28d9")))
* {
* If ((Arg2 == Zero))
* {
* If ((Arg1 == Zero))
* {
* Return (Buffer (One)
* {
* 0x03
* })
* }
* Else
* {
* Return (Buffer (One)
* {
* 0x00
* })
* }
* }
* If ((Arg2 == One))
* {
* RDLY = Arg3
* }
* Return (Zero)
* }
* ElseIf ((Arg0 == ToUUID ("2d19d3e1-5708-4696-bd5b-2c3dbae2d6a9")))
* {
* If ((Arg2 == Zero))
* {
* If ((Arg1 == Zero))
* {
* Return (Buffer (One)
* {
* 0x00
* })
* }
* Else
* {
* Return (Buffer (One)
* {
* 0x00
* })
* }
* }
* Return (Zero)
* }
* Else
* {
* Return (Buffer (One)
* {
* 0x00
* })
* }
* }
*/
struct dsm_uuid uuid_callbacks[] = {
DSM_UUID("aa10f4e0-81ac-4233-abf6-3b2ac50e28d9", uuid_callbacks1, 2, NULL),
DSM_UUID("2d19d3e1-5708-4696-bd5b-2c3dbae2d6a9", uuid_callbacks2, 1, NULL),
};
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 (\_SB.PCI0.CNMT, 1000)
* If ((Local0 == Zero))
* {
* BTRK (Zero)
* Sleep (RDLY)
* BTRK (One)
* Sleep (RDLY)
* Release (\_SB.PCI0.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("\\_SB.PCI0.CNMT", 1000);
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_write_release("\\_SB.PCI0.CNMT");
}
acpigen_pop_len();
}
acpigen_pop_len();
}
acpigen_write_power_res_end();
}
void acpi_device_intel_bt_common(void)
{
acpigen_write_scope("\\_SB.PCI0");
/*
* Mutex (CNMT, 0)
*/
acpigen_write_mutex("CNMT", 0);
acpigen_pop_len();
}
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