forked from Qortal/Brooklyn
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
210 lines
8.6 KiB
210 lines
8.6 KiB
/* SPDX-License-Identifier: BSD-3-Clause OR GPL-2.0 */ |
|
/****************************************************************************** |
|
* |
|
* Name: acbuffer.h - Support for buffers returned by ACPI predefined names |
|
* |
|
* Copyright (C) 2000 - 2021, Intel Corp. |
|
* |
|
*****************************************************************************/ |
|
|
|
#ifndef __ACBUFFER_H__ |
|
#define __ACBUFFER_H__ |
|
|
|
/* |
|
* Contains buffer structures for these predefined names: |
|
* _FDE, _GRT, _GTM, _PLD, _SRT |
|
*/ |
|
|
|
/* |
|
* Note: C bitfields are not used for this reason: |
|
* |
|
* "Bitfields are great and easy to read, but unfortunately the C language |
|
* does not specify the layout of bitfields in memory, which means they are |
|
* essentially useless for dealing with packed data in on-disk formats or |
|
* binary wire protocols." (Or ACPI tables and buffers.) "If you ask me, |
|
* this decision was a design error in C. Ritchie could have picked an order |
|
* and stuck with it." Norman Ramsey. |
|
* See http://stackoverflow.com/a/1053662/41661 |
|
*/ |
|
|
|
/* _FDE return value */ |
|
|
|
struct acpi_fde_info { |
|
u32 floppy0; |
|
u32 floppy1; |
|
u32 floppy2; |
|
u32 floppy3; |
|
u32 tape; |
|
}; |
|
|
|
/* |
|
* _GRT return value |
|
* _SRT input value |
|
*/ |
|
struct acpi_grt_info { |
|
u16 year; |
|
u8 month; |
|
u8 day; |
|
u8 hour; |
|
u8 minute; |
|
u8 second; |
|
u8 valid; |
|
u16 milliseconds; |
|
u16 timezone; |
|
u8 daylight; |
|
u8 reserved[3]; |
|
}; |
|
|
|
/* _GTM return value */ |
|
|
|
struct acpi_gtm_info { |
|
u32 pio_speed0; |
|
u32 dma_speed0; |
|
u32 pio_speed1; |
|
u32 dma_speed1; |
|
u32 flags; |
|
}; |
|
|
|
/* |
|
* Formatted _PLD return value. The minimum size is a package containing |
|
* one buffer. |
|
* Revision 1: Buffer is 16 bytes (128 bits) |
|
* Revision 2: Buffer is 20 bytes (160 bits) |
|
* |
|
* Note: This structure is returned from the acpi_decode_pld_buffer |
|
* interface. |
|
*/ |
|
struct acpi_pld_info { |
|
u8 revision; |
|
u8 ignore_color; |
|
u8 red; |
|
u8 green; |
|
u8 blue; |
|
u16 width; |
|
u16 height; |
|
u8 user_visible; |
|
u8 dock; |
|
u8 lid; |
|
u8 panel; |
|
u8 vertical_position; |
|
u8 horizontal_position; |
|
u8 shape; |
|
u8 group_orientation; |
|
u8 group_token; |
|
u8 group_position; |
|
u8 bay; |
|
u8 ejectable; |
|
u8 ospm_eject_required; |
|
u8 cabinet_number; |
|
u8 card_cage_number; |
|
u8 reference; |
|
u8 rotation; |
|
u8 order; |
|
u8 reserved; |
|
u16 vertical_offset; |
|
u16 horizontal_offset; |
|
}; |
|
|
|
/* |
|
* Macros to: |
|
* 1) Convert a _PLD buffer to internal struct acpi_pld_info format - ACPI_PLD_GET* |
|
* (Used by acpi_decode_pld_buffer) |
|
* 2) Construct a _PLD buffer - ACPI_PLD_SET* |
|
* (Intended for BIOS use only) |
|
*/ |
|
#define ACPI_PLD_REV1_BUFFER_SIZE 16 /* For Revision 1 of the buffer (From ACPI spec) */ |
|
#define ACPI_PLD_REV2_BUFFER_SIZE 20 /* For Revision 2 of the buffer (From ACPI spec) */ |
|
#define ACPI_PLD_BUFFER_SIZE 20 /* For Revision 2 of the buffer (From ACPI spec) */ |
|
|
|
/* First 32-bit dword, bits 0:32 */ |
|
|
|
#define ACPI_PLD_GET_REVISION(dword) ACPI_GET_BITS (dword, 0, ACPI_7BIT_MASK) |
|
#define ACPI_PLD_SET_REVISION(dword,value) ACPI_SET_BITS (dword, 0, ACPI_7BIT_MASK, value) /* Offset 0, Len 7 */ |
|
|
|
#define ACPI_PLD_GET_IGNORE_COLOR(dword) ACPI_GET_BITS (dword, 7, ACPI_1BIT_MASK) |
|
#define ACPI_PLD_SET_IGNORE_COLOR(dword,value) ACPI_SET_BITS (dword, 7, ACPI_1BIT_MASK, value) /* Offset 7, Len 1 */ |
|
|
|
#define ACPI_PLD_GET_RED(dword) ACPI_GET_BITS (dword, 8, ACPI_8BIT_MASK) |
|
#define ACPI_PLD_SET_RED(dword,value) ACPI_SET_BITS (dword, 8, ACPI_8BIT_MASK, value) /* Offset 8, Len 8 */ |
|
|
|
#define ACPI_PLD_GET_GREEN(dword) ACPI_GET_BITS (dword, 16, ACPI_8BIT_MASK) |
|
#define ACPI_PLD_SET_GREEN(dword,value) ACPI_SET_BITS (dword, 16, ACPI_8BIT_MASK, value) /* Offset 16, Len 8 */ |
|
|
|
#define ACPI_PLD_GET_BLUE(dword) ACPI_GET_BITS (dword, 24, ACPI_8BIT_MASK) |
|
#define ACPI_PLD_SET_BLUE(dword,value) ACPI_SET_BITS (dword, 24, ACPI_8BIT_MASK, value) /* Offset 24, Len 8 */ |
|
|
|
/* Second 32-bit dword, bits 33:63 */ |
|
|
|
#define ACPI_PLD_GET_WIDTH(dword) ACPI_GET_BITS (dword, 0, ACPI_16BIT_MASK) |
|
#define ACPI_PLD_SET_WIDTH(dword,value) ACPI_SET_BITS (dword, 0, ACPI_16BIT_MASK, value) /* Offset 32+0=32, Len 16 */ |
|
|
|
#define ACPI_PLD_GET_HEIGHT(dword) ACPI_GET_BITS (dword, 16, ACPI_16BIT_MASK) |
|
#define ACPI_PLD_SET_HEIGHT(dword,value) ACPI_SET_BITS (dword, 16, ACPI_16BIT_MASK, value) /* Offset 32+16=48, Len 16 */ |
|
|
|
/* Third 32-bit dword, bits 64:95 */ |
|
|
|
#define ACPI_PLD_GET_USER_VISIBLE(dword) ACPI_GET_BITS (dword, 0, ACPI_1BIT_MASK) |
|
#define ACPI_PLD_SET_USER_VISIBLE(dword,value) ACPI_SET_BITS (dword, 0, ACPI_1BIT_MASK, value) /* Offset 64+0=64, Len 1 */ |
|
|
|
#define ACPI_PLD_GET_DOCK(dword) ACPI_GET_BITS (dword, 1, ACPI_1BIT_MASK) |
|
#define ACPI_PLD_SET_DOCK(dword,value) ACPI_SET_BITS (dword, 1, ACPI_1BIT_MASK, value) /* Offset 64+1=65, Len 1 */ |
|
|
|
#define ACPI_PLD_GET_LID(dword) ACPI_GET_BITS (dword, 2, ACPI_1BIT_MASK) |
|
#define ACPI_PLD_SET_LID(dword,value) ACPI_SET_BITS (dword, 2, ACPI_1BIT_MASK, value) /* Offset 64+2=66, Len 1 */ |
|
|
|
#define ACPI_PLD_GET_PANEL(dword) ACPI_GET_BITS (dword, 3, ACPI_3BIT_MASK) |
|
#define ACPI_PLD_SET_PANEL(dword,value) ACPI_SET_BITS (dword, 3, ACPI_3BIT_MASK, value) /* Offset 64+3=67, Len 3 */ |
|
|
|
#define ACPI_PLD_GET_VERTICAL(dword) ACPI_GET_BITS (dword, 6, ACPI_2BIT_MASK) |
|
#define ACPI_PLD_SET_VERTICAL(dword,value) ACPI_SET_BITS (dword, 6, ACPI_2BIT_MASK, value) /* Offset 64+6=70, Len 2 */ |
|
|
|
#define ACPI_PLD_GET_HORIZONTAL(dword) ACPI_GET_BITS (dword, 8, ACPI_2BIT_MASK) |
|
#define ACPI_PLD_SET_HORIZONTAL(dword,value) ACPI_SET_BITS (dword, 8, ACPI_2BIT_MASK, value) /* Offset 64+8=72, Len 2 */ |
|
|
|
#define ACPI_PLD_GET_SHAPE(dword) ACPI_GET_BITS (dword, 10, ACPI_4BIT_MASK) |
|
#define ACPI_PLD_SET_SHAPE(dword,value) ACPI_SET_BITS (dword, 10, ACPI_4BIT_MASK, value) /* Offset 64+10=74, Len 4 */ |
|
|
|
#define ACPI_PLD_GET_ORIENTATION(dword) ACPI_GET_BITS (dword, 14, ACPI_1BIT_MASK) |
|
#define ACPI_PLD_SET_ORIENTATION(dword,value) ACPI_SET_BITS (dword, 14, ACPI_1BIT_MASK, value) /* Offset 64+14=78, Len 1 */ |
|
|
|
#define ACPI_PLD_GET_TOKEN(dword) ACPI_GET_BITS (dword, 15, ACPI_8BIT_MASK) |
|
#define ACPI_PLD_SET_TOKEN(dword,value) ACPI_SET_BITS (dword, 15, ACPI_8BIT_MASK, value) /* Offset 64+15=79, Len 8 */ |
|
|
|
#define ACPI_PLD_GET_POSITION(dword) ACPI_GET_BITS (dword, 23, ACPI_8BIT_MASK) |
|
#define ACPI_PLD_SET_POSITION(dword,value) ACPI_SET_BITS (dword, 23, ACPI_8BIT_MASK, value) /* Offset 64+23=87, Len 8 */ |
|
|
|
#define ACPI_PLD_GET_BAY(dword) ACPI_GET_BITS (dword, 31, ACPI_1BIT_MASK) |
|
#define ACPI_PLD_SET_BAY(dword,value) ACPI_SET_BITS (dword, 31, ACPI_1BIT_MASK, value) /* Offset 64+31=95, Len 1 */ |
|
|
|
/* Fourth 32-bit dword, bits 96:127 */ |
|
|
|
#define ACPI_PLD_GET_EJECTABLE(dword) ACPI_GET_BITS (dword, 0, ACPI_1BIT_MASK) |
|
#define ACPI_PLD_SET_EJECTABLE(dword,value) ACPI_SET_BITS (dword, 0, ACPI_1BIT_MASK, value) /* Offset 96+0=96, Len 1 */ |
|
|
|
#define ACPI_PLD_GET_OSPM_EJECT(dword) ACPI_GET_BITS (dword, 1, ACPI_1BIT_MASK) |
|
#define ACPI_PLD_SET_OSPM_EJECT(dword,value) ACPI_SET_BITS (dword, 1, ACPI_1BIT_MASK, value) /* Offset 96+1=97, Len 1 */ |
|
|
|
#define ACPI_PLD_GET_CABINET(dword) ACPI_GET_BITS (dword, 2, ACPI_8BIT_MASK) |
|
#define ACPI_PLD_SET_CABINET(dword,value) ACPI_SET_BITS (dword, 2, ACPI_8BIT_MASK, value) /* Offset 96+2=98, Len 8 */ |
|
|
|
#define ACPI_PLD_GET_CARD_CAGE(dword) ACPI_GET_BITS (dword, 10, ACPI_8BIT_MASK) |
|
#define ACPI_PLD_SET_CARD_CAGE(dword,value) ACPI_SET_BITS (dword, 10, ACPI_8BIT_MASK, value) /* Offset 96+10=106, Len 8 */ |
|
|
|
#define ACPI_PLD_GET_REFERENCE(dword) ACPI_GET_BITS (dword, 18, ACPI_1BIT_MASK) |
|
#define ACPI_PLD_SET_REFERENCE(dword,value) ACPI_SET_BITS (dword, 18, ACPI_1BIT_MASK, value) /* Offset 96+18=114, Len 1 */ |
|
|
|
#define ACPI_PLD_GET_ROTATION(dword) ACPI_GET_BITS (dword, 19, ACPI_4BIT_MASK) |
|
#define ACPI_PLD_SET_ROTATION(dword,value) ACPI_SET_BITS (dword, 19, ACPI_4BIT_MASK, value) /* Offset 96+19=115, Len 4 */ |
|
|
|
#define ACPI_PLD_GET_ORDER(dword) ACPI_GET_BITS (dword, 23, ACPI_5BIT_MASK) |
|
#define ACPI_PLD_SET_ORDER(dword,value) ACPI_SET_BITS (dword, 23, ACPI_5BIT_MASK, value) /* Offset 96+23=119, Len 5 */ |
|
|
|
/* Fifth 32-bit dword, bits 128:159 (Revision 2 of _PLD only) */ |
|
|
|
#define ACPI_PLD_GET_VERT_OFFSET(dword) ACPI_GET_BITS (dword, 0, ACPI_16BIT_MASK) |
|
#define ACPI_PLD_SET_VERT_OFFSET(dword,value) ACPI_SET_BITS (dword, 0, ACPI_16BIT_MASK, value) /* Offset 128+0=128, Len 16 */ |
|
|
|
#define ACPI_PLD_GET_HORIZ_OFFSET(dword) ACPI_GET_BITS (dword, 16, ACPI_16BIT_MASK) |
|
#define ACPI_PLD_SET_HORIZ_OFFSET(dword,value) ACPI_SET_BITS (dword, 16, ACPI_16BIT_MASK, value) /* Offset 128+16=144, Len 16 */ |
|
|
|
#endif /* ACBUFFER_H */
|
|
|