diff options
Diffstat (limited to 'src/drivers/usb/acpi/intel_bluetooth.c')
| -rw-r--r-- | src/drivers/usb/acpi/intel_bluetooth.c | 194 |
1 files changed, 194 insertions, 0 deletions
diff --git a/src/drivers/usb/acpi/intel_bluetooth.c b/src/drivers/usb/acpi/intel_bluetooth.c new file mode 100644 index 0000000000..6cd27f1c81 --- /dev/null +++ b/src/drivers/usb/acpi/intel_bluetooth.c @@ -0,0 +1,194 @@ +/* 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 (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(); +} |