diff options
Diffstat (limited to 'include/acpi')
| -rw-r--r-- | include/acpi/acbuffer.h | 235 | ||||
| -rw-r--r-- | include/acpi/acnames.h | 3 | ||||
| -rw-r--r-- | include/acpi/acpi_bus.h | 59 | ||||
| -rw-r--r-- | include/acpi/acpixf.h | 7 | ||||
| -rw-r--r-- | include/acpi/actbl.h | 60 | ||||
| -rw-r--r-- | include/acpi/actbl1.h | 16 | ||||
| -rw-r--r-- | include/acpi/actbl2.h | 123 | ||||
| -rw-r--r-- | include/acpi/actbl3.h | 13 | ||||
| -rw-r--r-- | include/acpi/actypes.h | 7 |
9 files changed, 443 insertions, 80 deletions
diff --git a/include/acpi/acbuffer.h b/include/acpi/acbuffer.h new file mode 100644 index 000000000000..a1e45cdd729a --- /dev/null +++ b/include/acpi/acbuffer.h @@ -0,0 +1,235 @@ +/****************************************************************************** + * + * Name: acbuffer.h - Support for buffers returned by ACPI predefined names + * + *****************************************************************************/ + +/* + * Copyright (C) 2000 - 2012, Intel Corp. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions, and the following disclaimer, + * without modification. + * 2. Redistributions in binary form must reproduce at minimum a disclaimer + * substantially similar to the "NO WARRANTY" disclaimer below + * ("Disclaimer") and any redistribution must be conditioned upon + * including a substantially similar Disclaimer requirement for further + * binary redistribution. + * 3. Neither the names of the above-listed copyright holders nor the names + * of any contributors may be used to endorse or promote products derived + * from this software without specific prior written permission. + * + * Alternatively, this software may be distributed under the terms of the + * GNU General Public License ("GPL") version 2 as published by the Free + * Software Foundation. + * + * NO WARRANTY + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, + * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING + * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGES. + */ + +#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; + u32 color; + 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_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_COLOR(dword) ACPI_GET_BITS (dword, 8, ACPI_24BIT_MASK) +#define ACPI_PLD_SET_COLOR(dword,value) ACPI_SET_BITS (dword, 8, ACPI_24BIT_MASK, value) /* Offset 8, Len 24 */ + +/* 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 */ diff --git a/include/acpi/acnames.h b/include/acpi/acnames.h index d988ac54f41e..745dd24e3cb5 100644 --- a/include/acpi/acnames.h +++ b/include/acpi/acnames.h @@ -63,11 +63,10 @@ #define METHOD_NAME__PRW "_PRW" #define METHOD_NAME__SRS "_SRS" #define METHOD_NAME__CBA "_CBA" +#define METHOD_NAME__PLD "_PLD" /* Method names - these methods must appear at the namespace root */ -#define METHOD_PATHNAME__BFS "\\_BFS" -#define METHOD_PATHNAME__GTS "\\_GTS" #define METHOD_PATHNAME__PTS "\\_PTS" #define METHOD_PATHNAME__SST "\\_SI._SST" #define METHOD_PATHNAME__WAK "\\_WAK" diff --git a/include/acpi/acpi_bus.h b/include/acpi/acpi_bus.h index 3eb9de318824..0daa0fbd8654 100644 --- a/include/acpi/acpi_bus.h +++ b/include/acpi/acpi_bus.h @@ -54,37 +54,8 @@ acpi_status acpi_evaluate_hotplug_ost(acpi_handle handle, u32 source_event, u32 status_code, struct acpi_buffer *status_buf); -struct acpi_pld { - unsigned int revision:7; /* 0 */ - unsigned int ignore_colour:1; /* 7 */ - unsigned int colour:24; /* 8 */ - unsigned int width:16; /* 32 */ - unsigned int height:16; /* 48 */ - unsigned int user_visible:1; /* 64 */ - unsigned int dock:1; /* 65 */ - unsigned int lid:1; /* 66 */ - unsigned int panel:3; /* 67 */ - unsigned int vertical_pos:2; /* 70 */ - unsigned int horizontal_pos:2; /* 72 */ - unsigned int shape:4; /* 74 */ - unsigned int group_orientation:1; /* 78 */ - unsigned int group_token:8; /* 79 */ - unsigned int group_position:8; /* 87 */ - unsigned int bay:1; /* 95 */ - unsigned int ejectable:1; /* 96 */ - unsigned int ospm_eject_required:1; /* 97 */ - unsigned int cabinet_number:8; /* 98 */ - unsigned int card_cage_number:8; /* 106 */ - unsigned int reference:1; /* 114 */ - unsigned int rotation:4; /* 115 */ - unsigned int order:5; /* 119 */ - unsigned int reserved:4; /* 124 */ - unsigned int vertical_offset:16; /* 128 */ - unsigned int horizontal_offset:16; /* 144 */ -} __attribute__((__packed__)); - acpi_status -acpi_get_physical_device_location(acpi_handle handle, struct acpi_pld *pld); +acpi_get_physical_device_location(acpi_handle handle, struct acpi_pld_info **pld); #ifdef CONFIG_ACPI #include <linux/proc_fs.h> @@ -283,8 +254,16 @@ struct acpi_device_wakeup { int prepare_count; }; -/* Device */ +struct acpi_device_physical_node { + u8 node_id; + struct list_head node; + struct device *dev; +}; + +/* set maximum of physical nodes to 32 for expansibility */ +#define ACPI_MAX_PHYSICAL_NODE 32 +/* Device */ struct acpi_device { int device_type; acpi_handle handle; /* no handle for fixed hardware */ @@ -305,6 +284,10 @@ struct acpi_device { struct device dev; struct acpi_bus_ops bus_ops; /* workaround for different code path for hotplug */ enum acpi_bus_removal_type removal_type; /* indicate for different removal type */ + u8 physical_node_count; + struct list_head physical_node_list; + struct mutex physical_node_lock; + DECLARE_BITMAP(physical_node_id_bitmap, ACPI_MAX_PHYSICAL_NODE); }; static inline void *acpi_driver_data(struct acpi_device *d) @@ -382,6 +365,19 @@ int acpi_match_device_ids(struct acpi_device *device, int acpi_create_dir(struct acpi_device *); void acpi_remove_dir(struct acpi_device *); + +/** + * module_acpi_driver(acpi_driver) - Helper macro for registering an ACPI driver + * @__acpi_driver: acpi_driver struct + * + * Helper macro for ACPI drivers which do not do anything special in module + * init/exit. This eliminates a lot of boilerplate. Each module may only + * use this macro once, and calling it replaces module_init() and module_exit() + */ +#define module_acpi_driver(__acpi_driver) \ + module_driver(__acpi_driver, acpi_bus_register_driver, \ + acpi_bus_unregister_driver) + /* * Bind physical devices with ACPI devices */ @@ -395,7 +391,6 @@ struct acpi_bus_type { }; int register_acpi_bus_type(struct acpi_bus_type *); int unregister_acpi_bus_type(struct acpi_bus_type *); -struct device *acpi_get_physical_device(acpi_handle); struct acpi_pci_root { struct list_head node; diff --git a/include/acpi/acpixf.h b/include/acpi/acpixf.h index 26a92fc28a59..267bfc4b26a9 100644 --- a/include/acpi/acpixf.h +++ b/include/acpi/acpixf.h @@ -47,11 +47,12 @@ /* Current ACPICA subsystem version in YYYYMMDD format */ -#define ACPI_CA_VERSION 0x20120711 +#define ACPI_CA_VERSION 0x20120913 #include "acconfig.h" #include "actypes.h" #include "actbl.h" +#include "acbuffer.h" extern u8 acpi_gbl_permanent_mmap; @@ -144,6 +145,10 @@ acpi_check_address_range(acpi_adr_space_type space_id, acpi_physical_address address, acpi_size length, u8 warn); +acpi_status +acpi_decode_pld_buffer(u8 *in_buffer, + acpi_size length, struct acpi_pld_info **return_buffer); + /* * ACPI Memory management */ diff --git a/include/acpi/actbl.h b/include/acpi/actbl.h index 59a73e1b2845..4f94b1d812d5 100644 --- a/include/acpi/actbl.h +++ b/include/acpi/actbl.h @@ -79,9 +79,15 @@ #pragma pack(1) /* - * Note about bitfields: The u8 type is used for bitfields in ACPI tables. - * This is the only type that is even remotely portable. Anything else is not - * portable, so do not use any other bitfield types. + * 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 */ /******************************************************************************* @@ -94,7 +100,7 @@ struct acpi_table_header { char signature[ACPI_NAME_SIZE]; /* ASCII table signature */ u32 length; /* Length of table in bytes, including this header */ - u8 revision; /* ACPI Specification minor version # */ + u8 revision; /* ACPI Specification minor version number */ u8 checksum; /* To make sum of entire table == 0 */ char oem_id[ACPI_OEM_ID_SIZE]; /* ASCII OEM identification */ char oem_table_id[ACPI_OEM_TABLE_ID_SIZE]; /* ASCII OEM table identification */ @@ -108,7 +114,7 @@ struct acpi_table_header { * GAS - Generic Address Structure (ACPI 2.0+) * * Note: Since this structure is used in the ACPI tables, it is byte aligned. - * If misaliged access is not supported by the hardware, accesses to the + * If misaligned access is not supported by the hardware, accesses to the * 64-bit Address field must be performed with care. * ******************************************************************************/ @@ -210,18 +216,18 @@ struct acpi_table_fadt { u8 preferred_profile; /* Conveys preferred power management profile to OSPM. */ u16 sci_interrupt; /* System vector of SCI interrupt */ u32 smi_command; /* 32-bit Port address of SMI command port */ - u8 acpi_enable; /* Value to write to smi_cmd to enable ACPI */ - u8 acpi_disable; /* Value to write to smi_cmd to disable ACPI */ - u8 s4_bios_request; /* Value to write to SMI CMD to enter S4BIOS state */ + u8 acpi_enable; /* Value to write to SMI_CMD to enable ACPI */ + u8 acpi_disable; /* Value to write to SMI_CMD to disable ACPI */ + u8 s4_bios_request; /* Value to write to SMI_CMD to enter S4BIOS state */ u8 pstate_control; /* Processor performance state control */ - u32 pm1a_event_block; /* 32-bit Port address of Power Mgt 1a Event Reg Blk */ - u32 pm1b_event_block; /* 32-bit Port address of Power Mgt 1b Event Reg Blk */ - u32 pm1a_control_block; /* 32-bit Port address of Power Mgt 1a Control Reg Blk */ - u32 pm1b_control_block; /* 32-bit Port address of Power Mgt 1b Control Reg Blk */ - u32 pm2_control_block; /* 32-bit Port address of Power Mgt 2 Control Reg Blk */ - u32 pm_timer_block; /* 32-bit Port address of Power Mgt Timer Ctrl Reg Blk */ - u32 gpe0_block; /* 32-bit Port address of General Purpose Event 0 Reg Blk */ - u32 gpe1_block; /* 32-bit Port address of General Purpose Event 1 Reg Blk */ + u32 pm1a_event_block; /* 32-bit port address of Power Mgt 1a Event Reg Blk */ + u32 pm1b_event_block; /* 32-bit port address of Power Mgt 1b Event Reg Blk */ + u32 pm1a_control_block; /* 32-bit port address of Power Mgt 1a Control Reg Blk */ + u32 pm1b_control_block; /* 32-bit port address of Power Mgt 1b Control Reg Blk */ + u32 pm2_control_block; /* 32-bit port address of Power Mgt 2 Control Reg Blk */ + u32 pm_timer_block; /* 32-bit port address of Power Mgt Timer Ctrl Reg Blk */ + u32 gpe0_block; /* 32-bit port address of General Purpose Event 0 Reg Blk */ + u32 gpe1_block; /* 32-bit port address of General Purpose Event 1 Reg Blk */ u8 pm1_event_length; /* Byte Length of ports at pm1x_event_block */ u8 pm1_control_length; /* Byte Length of ports at pm1x_control_block */ u8 pm2_control_length; /* Byte Length of ports at pm2_control_block */ @@ -229,12 +235,12 @@ struct acpi_table_fadt { u8 gpe0_block_length; /* Byte Length of ports at gpe0_block */ u8 gpe1_block_length; /* Byte Length of ports at gpe1_block */ u8 gpe1_base; /* Offset in GPE number space where GPE1 events start */ - u8 cst_control; /* Support for the _CST object and C States change notification */ + u8 cst_control; /* Support for the _CST object and C-States change notification */ u16 c2_latency; /* Worst case HW latency to enter/exit C2 state */ u16 c3_latency; /* Worst case HW latency to enter/exit C3 state */ - u16 flush_size; /* Processor's memory cache line width, in bytes */ + u16 flush_size; /* Processor memory cache line width, in bytes */ u16 flush_stride; /* Number of flush strides that need to be read */ - u8 duty_offset; /* Processor duty cycle index in processor's P_CNT reg */ + u8 duty_offset; /* Processor duty cycle index in processor P_CNT reg */ u8 duty_width; /* Processor duty cycle value bit width in P_CNT register */ u8 day_alarm; /* Index to day-of-month alarm in RTC CMOS RAM */ u8 month_alarm; /* Index to month-of-year alarm in RTC CMOS RAM */ @@ -255,11 +261,11 @@ struct acpi_table_fadt { struct acpi_generic_address xpm_timer_block; /* 64-bit Extended Power Mgt Timer Ctrl Reg Blk address */ struct acpi_generic_address xgpe0_block; /* 64-bit Extended General Purpose Event 0 Reg Blk address */ struct acpi_generic_address xgpe1_block; /* 64-bit Extended General Purpose Event 1 Reg Blk address */ - struct acpi_generic_address sleep_control; /* 64-bit Sleep Control register */ - struct acpi_generic_address sleep_status; /* 64-bit Sleep Status register */ + struct acpi_generic_address sleep_control; /* 64-bit Sleep Control register (ACPI 5.0) */ + struct acpi_generic_address sleep_status; /* 64-bit Sleep Status register (ACPI 5.0) */ }; -/* Masks for FADT Boot Architecture Flags (boot_flags) */ +/* Masks for FADT Boot Architecture Flags (boot_flags) [Vx]=Introduced in this FADT revision */ #define ACPI_FADT_LEGACY_DEVICES (1) /* 00: [V2] System has LPC or ISA bus devices */ #define ACPI_FADT_8042 (1<<1) /* 01: [V3] System has an 8042 controller on port 60/64 */ @@ -272,13 +278,13 @@ struct acpi_table_fadt { /* Masks for FADT flags */ -#define ACPI_FADT_WBINVD (1) /* 00: [V1] The wbinvd instruction works properly */ -#define ACPI_FADT_WBINVD_FLUSH (1<<1) /* 01: [V1] wbinvd flushes but does not invalidate caches */ +#define ACPI_FADT_WBINVD (1) /* 00: [V1] The WBINVD instruction works properly */ +#define ACPI_FADT_WBINVD_FLUSH (1<<1) /* 01: [V1] WBINVD flushes but does not invalidate caches */ #define ACPI_FADT_C1_SUPPORTED (1<<2) /* 02: [V1] All processors support C1 state */ #define ACPI_FADT_C2_MP_SUPPORTED (1<<3) /* 03: [V1] C2 state works on MP system */ #define ACPI_FADT_POWER_BUTTON (1<<4) /* 04: [V1] Power button is handled as a control method device */ #define ACPI_FADT_SLEEP_BUTTON (1<<5) /* 05: [V1] Sleep button is handled as a control method device */ -#define ACPI_FADT_FIXED_RTC (1<<6) /* 06: [V1] RTC wakeup status not in fixed register space */ +#define ACPI_FADT_FIXED_RTC (1<<6) /* 06: [V1] RTC wakeup status is not in fixed register space */ #define ACPI_FADT_S4_RTC_WAKE (1<<7) /* 07: [V1] RTC alarm can wake system from S4 */ #define ACPI_FADT_32BIT_TIMER (1<<8) /* 08: [V1] ACPI timer width is 32-bit (0=24-bit) */ #define ACPI_FADT_DOCKING_SUPPORTED (1<<9) /* 09: [V1] Docking supported */ @@ -297,7 +303,7 @@ struct acpi_table_fadt { /* Values for preferred_profile (Preferred Power Management Profiles) */ -enum acpi_prefered_pm_profiles { +enum acpi_preferred_pm_profiles { PM_UNSPECIFIED = 0, PM_DESKTOP = 1, PM_MOBILE = 2, @@ -335,7 +341,7 @@ union acpi_name_union { struct acpi_table_desc { acpi_physical_address address; struct acpi_table_header *pointer; - u32 length; /* Length fixed at 32 bits */ + u32 length; /* Length fixed at 32 bits (fixed in table header) */ union acpi_name_union signature; acpi_owner_id owner_id; u8 flags; diff --git a/include/acpi/actbl1.h b/include/acpi/actbl1.h index 300d14e7c5d5..280fc45b59dd 100644 --- a/include/acpi/actbl1.h +++ b/include/acpi/actbl1.h @@ -79,9 +79,15 @@ #pragma pack(1) /* - * Note about bitfields: The u8 type is used for bitfields in ACPI tables. - * This is the only type that is even remotely portable. Anything else is not - * portable, so do not use any other bitfield types. + * 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 */ /******************************************************************************* @@ -489,7 +495,9 @@ enum acpi_hest_notify_types { ACPI_HEST_NOTIFY_LOCAL = 2, ACPI_HEST_NOTIFY_SCI = 3, ACPI_HEST_NOTIFY_NMI = 4, - ACPI_HEST_NOTIFY_RESERVED = 5 /* 5 and greater are reserved */ + ACPI_HEST_NOTIFY_CMCI = 5, /* ACPI 5.0 */ + ACPI_HEST_NOTIFY_MCE = 6, /* ACPI 5.0 */ + ACPI_HEST_NOTIFY_RESERVED = 7 /* 7 and greater are reserved */ }; /* Values for config_write_enable bitfield above */ diff --git a/include/acpi/actbl2.h b/include/acpi/actbl2.h index d9ceb3d31629..1b2b356486d1 100644 --- a/include/acpi/actbl2.h +++ b/include/acpi/actbl2.h @@ -63,6 +63,8 @@ */ #define ACPI_SIG_ASF "ASF!" /* Alert Standard Format table */ #define ACPI_SIG_BOOT "BOOT" /* Simple Boot Flag Table */ +#define ACPI_SIG_CSRT "CSRT" /* Core System Resource Table */ +#define ACPI_SIG_DBG2 "DBG2" /* Debug Port table type 2 */ #define ACPI_SIG_DBGP "DBGP" /* Debug Port table */ #define ACPI_SIG_DMAR "DMAR" /* DMA Remapping table */ #define ACPI_SIG_HPET "HPET" /* High Precision Event Timer table */ @@ -96,9 +98,15 @@ #pragma pack(1) /* - * Note about bitfields: The u8 type is used for bitfields in ACPI tables. - * This is the only type that is even remotely portable. Anything else is not - * portable, so do not use any other bitfield types. + * 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 */ /******************************************************************************* @@ -232,6 +240,115 @@ struct acpi_table_boot { /******************************************************************************* * + * CSRT - Core System Resource Table + * Version 0 + * + * Conforms to the "Core System Resource Table (CSRT)", November 14, 2011 + * + ******************************************************************************/ + +struct acpi_table_csrt { + struct acpi_table_header header; /* Common ACPI table header */ +}; + +/* Resource Group subtable */ + +struct acpi_csrt_group { + u32 length; + u32 vendor_id; + u32 subvendor_id; + u16 device_id; + u16 subdevice_id; + u16 revision; + u16 reserved; + u32 info_length; + + /* Shared data (length = info_length) immediately follows */ +}; + +/* Resource Descriptor subtable */ + +struct acpi_csrt_descriptor { + u32 length; + u16 type; + u16 subtype; + u32 uid; + + /* Resource-specific information immediately follows */ +}; + +/* Resource Types */ + +#define ACPI_CSRT_TYPE_INTERRUPT 0x0001 +#define ACPI_CSRT_TYPE_TIMER 0x0002 +#define ACPI_CSRT_TYPE_DMA 0x0003 + +/* Resource Subtypes */ + +#define ACPI_CSRT_XRUPT_LINE 0x0000 +#define ACPI_CSRT_XRUPT_CONTROLLER 0x0001 +#define ACPI_CSRT_TIMER 0x0000 +#define ACPI_CSRT_DMA_CHANNEL 0x0000 +#define ACPI_CSRT_DMA_CONTROLLER 0x0001 + +/******************************************************************************* + * + * DBG2 - Debug Port Table 2 + * Version 0 (Both main table and subtables) + * + * Conforms to "Microsoft Debug Port Table 2 (DBG2)", May 22 2012. + * + ******************************************************************************/ + +struct acpi_table_dbg2 { + struct acpi_table_header header; /* Common ACPI table header */ + u32 info_offset; + u32 info_count; +}; + +/* Debug Device Information Subtable */ + +struct acpi_dbg2_device { + u8 revision; + u16 length; + u8 register_count; /* Number of base_address registers */ + u16 namepath_length; + u16 namepath_offset; + u16 oem_data_length; + u16 oem_data_offset; + u16 port_type; + u16 port_subtype; + u16 reserved; + u16 base_address_offset; + u16 address_size_offset; + /* + * Data that follows: + * base_address (required) - Each in 12-byte Generic Address Structure format. + * address_size (required) - Array of u32 sizes corresponding to each base_address register. + * Namepath (required) - Null terminated string. Single dot if not supported. + * oem_data (optional) - Length is oem_data_length. + */ +}; + +/* Types for port_type field above */ + +#define ACPI_DBG2_SERIAL_PORT 0x8000 +#define ACPI_DBG2_1394_PORT 0x8001 +#define ACPI_DBG2_USB_PORT 0x8002 +#define ACPI_DBG2_NET_PORT 0x8003 + +/* Subtypes for port_subtype field above */ + +#define ACPI_DBG2_16550_COMPATIBLE 0x0000 +#define ACPI_DBG2_16550_SUBSET 0x0001 + +#define ACPI_DBG2_1394_STANDARD 0x0000 + +#define ACPI_DBG2_USB_XHCI 0x0000 +#define ACPI_DBG2_USB_EHCI 0x0001 + +/******************************************************************************* + * * DBGP - Debug Port table * Version 1 * diff --git a/include/acpi/actbl3.h b/include/acpi/actbl3.h index f65a0ed869eb..8c61b5fe42a4 100644 --- a/include/acpi/actbl3.h +++ b/include/acpi/actbl3.h @@ -75,7 +75,6 @@ /* Reserved table signatures */ #define ACPI_SIG_CSRT "CSRT" /* Core System Resources Table */ -#define ACPI_SIG_DBG2 "DBG2" /* Debug Port table 2 */ #define ACPI_SIG_MATR "MATR" /* Memory Address Translation Table */ #define ACPI_SIG_MSDM "MSDM" /* Microsoft Data Management Table */ #define ACPI_SIG_WPBT "WPBT" /* Windows Platform Binary Table */ @@ -87,9 +86,15 @@ #pragma pack(1) /* - * Note about bitfields: The u8 type is used for bitfields in ACPI tables. - * This is the only type that is even remotely portable. Anything else is not - * portable, so do not use any other bitfield types. + * 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 */ /******************************************************************************* diff --git a/include/acpi/actypes.h b/include/acpi/actypes.h index 3d00bd5bd7e3..a85bae968262 100644 --- a/include/acpi/actypes.h +++ b/include/acpi/actypes.h @@ -519,13 +519,6 @@ typedef u64 acpi_integer; #define ACPI_SLEEP_TYPE_INVALID 0xFF /* - * Sleep/Wake flags - */ -#define ACPI_NO_OPTIONAL_METHODS 0x00 /* Do not execute any optional methods */ -#define ACPI_EXECUTE_GTS 0x01 /* For enter sleep interface */ -#define ACPI_EXECUTE_BFS 0x02 /* For leave sleep prep interface */ - -/* * Standard notify values */ #define ACPI_NOTIFY_BUS_CHECK (u8) 0x00 |