diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/drivers/usb/acpi/chip.h | 3 | ||||
| -rw-r--r-- | src/drivers/usb/acpi/usb_acpi.c | 126 |
2 files changed, 129 insertions, 0 deletions
diff --git a/src/drivers/usb/acpi/chip.h b/src/drivers/usb/acpi/chip.h index 9acd382c3d..855a5d798b 100644 --- a/src/drivers/usb/acpi/chip.h +++ b/src/drivers/usb/acpi/chip.h @@ -47,6 +47,9 @@ struct drivers_usb_acpi_config { /* Does the device have a power resource? */ bool has_power_resource; + /* Intel Bluetooth */ + bool is_intel_bluetooth; + /* GPIO used to take device out of reset or to put it into reset. */ struct acpi_gpio reset_gpio; /* Delay to be inserted after device is taken out of reset. */ diff --git a/src/drivers/usb/acpi/usb_acpi.c b/src/drivers/usb/acpi/usb_acpi.c index 569147abad..b01c9492b3 100644 --- a/src/drivers/usb/acpi/usb_acpi.c +++ b/src/drivers/usb/acpi/usb_acpi.c @@ -8,6 +8,129 @@ #include <device/device.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 }; + +static 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)); +} + static bool usb_acpi_add_gpios_to_crs(struct drivers_usb_acpi_config *cfg) { if (cfg->privacy_gpio.pin_count) @@ -107,6 +230,9 @@ static void usb_acpi_fill_ssdt_generator(const struct device *dev) acpi_device_add_power_res(&power_res_params); } + if (config->is_intel_bluetooth) + acpi_device_intel_bt(); + acpigen_pop_len(); printk(BIOS_INFO, "%s: %s at %s\n", path, |