diff options
Diffstat (limited to 'src/arch/x86/include')
| -rw-r--r-- | src/arch/x86/include/arch/acpi_pld.h | 120 | ||||
| -rw-r--r-- | src/arch/x86/include/arch/acpigen.h | 2 |
2 files changed, 122 insertions, 0 deletions
diff --git a/src/arch/x86/include/arch/acpi_pld.h b/src/arch/x86/include/arch/acpi_pld.h new file mode 100644 index 0000000000..ce279a00d5 --- /dev/null +++ b/src/arch/x86/include/arch/acpi_pld.h @@ -0,0 +1,120 @@ +/* + * This file is part of the coreboot project. + * + * Copyright 2018 Google LLC + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; version 2 of the License. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + */ + +#ifndef __ACPI_PLD_H +#define __ACPI_PLD_H + +#include <arch/acpi.h> +#include <stdint.h> + +enum acpi_pld_panel { + PLD_PANEL_TOP, + PLD_PANEL_BOTTOM, + PLD_PANEL_LEFT, + PLD_PANEL_RIGHT, + PLD_PANEL_FRONT, + PLD_PANEL_BACK, + PLD_PANEL_UNKNOWN +}; + +enum acpi_pld_vertical_position { + PLD_VERTICAL_POSITION_UPPER, + PLD_VERTICAL_POSITION_CENTER, + PLD_VERTICAL_POSITION_LOWER +}; + +/* + * The ACPI spec 6.2A does not define the horizontal position field. + * These values are taken from the IASL compiler: + * https://github.com/acpica/acpica/blob/master/source/components/utilities/utglobal.c#L321 + */ + +enum acpi_pld_horizontal_position { + PLD_HORIZONTAL_POSITION_LEFT, + PLD_HORIZONTAL_POSITION_CENTER, + PLD_HORIZONTAL_POSITION_RIGHT +}; + +enum acpi_pld_shape { + PLD_SHAPE_ROUND, + PLD_SHAPE_OVAL, + PLD_SHAPE_SQUARE, + PLD_SHAPE_VERTICAL_RECTANGLE, + PLD_SHAPE_HORIZONTAL_RECTANGLE, + PLD_SHAPE_VERTICAL_TRAPEZOID, + PLD_SHAPE_HORIZONTAL_TRAPEZOID, + PLD_SHAPE_UNKNOWN, + PLD_SHAPE_CHAMFERED +}; + +enum acpi_pld_orientation { + PLD_ORIENTATION_HORIZONTAL, + PLD_ORIENTATION_VERTICAL, +}; + +enum acpi_pld_rotate { + PLD_ROTATE_0, + PLD_ROTATE_45, + PLD_ROTATE_90, + PLD_ROTATE_135, + PLD_ROTATE_180, + PLD_ROTATE_225, + PLD_ROTATE_270, + PLD_ROTATE_315 +}; + +struct acpi_pld { + /* Color field can be explicitly ignored */ + bool ignore_color; + uint8_t color_red; + uint8_t color_blue; + uint8_t color_green; + + /* Port characteristics */ + bool visible; /* Can be seen by the user */ + bool lid; /* Port is on lid of device */ + bool dock; /* Port is in a docking station */ + bool bay; /* Port is in a bay */ + bool ejectable; /* Device is ejectable, has _EJx objects */ + bool ejectable_ospm; /* Device needs OSPM to eject */ + uint16_t width; /* Width in mm */ + uint16_t height; /* Height in mm */ + uint16_t vertical_offset; + uint16_t horizontal_offset; + enum acpi_pld_panel panel; + enum acpi_pld_horizontal_position horizontal_position; + enum acpi_pld_vertical_position vertical_position; + enum acpi_pld_shape shape; + enum acpi_pld_rotate rotation; + + /* Port grouping */ + enum acpi_pld_orientation group_orientation; + uint8_t group_token; + uint8_t group_position; + uint8_t draw_order; + uint8_t cabinet_number; + uint8_t card_cage_number; + + /* Set if this PLD defines a reference shape */ + bool reference_shape; +}; + +/* Fill out PLD structure with defaults based on USB port type */ +int acpi_pld_fill_usb(struct acpi_pld *pld, enum acpi_upc_type type); + +/* Turn PLD structure into a 20 byte ACPI buffer */ +int acpi_pld_to_buffer(const struct acpi_pld *pld, uint8_t *buf, int buf_len); + +#endif diff --git a/src/arch/x86/include/arch/acpigen.h b/src/arch/x86/include/arch/acpigen.h index 250c0b73c9..52aa55b6b8 100644 --- a/src/arch/x86/include/arch/acpigen.h +++ b/src/arch/x86/include/arch/acpigen.h @@ -23,6 +23,7 @@ #include <stdint.h> #include <arch/acpi.h> #include <arch/acpi_device.h> +#include <arch/acpi_pld.h> /* Values that can be returned for ACPI Device _STA method */ #define ACPI_STATUS_DEVICE_PRESENT (1 << 0) @@ -256,6 +257,7 @@ void acpigen_write_return_byte_buffer(uint8_t *arr, size_t size); void acpigen_write_return_singleton_buffer(uint8_t arg); void acpigen_write_return_byte(uint8_t arg); void acpigen_write_upc(enum acpi_upc_type type); +void acpigen_write_pld(const struct acpi_pld *pld); /* * Generate ACPI AML code for _DSM method. * This function takes as input uuid for the device, set of callbacks and |