ACPICA: Support for custom ACPICA build for ACPI 5 reduced hardware
Add ACPI_REDUCED_HARDWARE flag that removes all hardware-related
code (about 10% code, 5% static data).
Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Lin Ming <ming.m.lin@intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>
diff --git a/include/acpi/acconfig.h b/include/acpi/acconfig.h
new file mode 100644
index 0000000..03f1485
--- /dev/null
+++ b/include/acpi/acconfig.h
@@ -0,0 +1,248 @@
+/******************************************************************************
+ *
+ * Name: acconfig.h - Global configuration constants
+ *
+ *****************************************************************************/
+
+/*
+ * 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 _ACCONFIG_H
+#define _ACCONFIG_H
+
+/******************************************************************************
+ *
+ * Configuration options
+ *
+ *****************************************************************************/
+
+/*
+ * ACPI_DEBUG_OUTPUT - This switch enables all the debug facilities of the
+ * ACPI subsystem. This includes the DEBUG_PRINT output
+ * statements. When disabled, all DEBUG_PRINT
+ * statements are compiled out.
+ *
+ * ACPI_APPLICATION - Use this switch if the subsystem is going to be run
+ * at the application level.
+ *
+ */
+
+/*
+ * OS name, used for the _OS object. The _OS object is essentially obsolete,
+ * but there is a large base of ASL/AML code in existing machines that check
+ * for the string below. The use of this string usually guarantees that
+ * the ASL will execute down the most tested code path. Also, there is some
+ * code that will not execute the _OSI method unless _OS matches the string
+ * below. Therefore, change this string at your own risk.
+ */
+#define ACPI_OS_NAME "Microsoft Windows NT"
+
+/* Maximum objects in the various object caches */
+
+#define ACPI_MAX_STATE_CACHE_DEPTH 96 /* State objects */
+#define ACPI_MAX_PARSE_CACHE_DEPTH 96 /* Parse tree objects */
+#define ACPI_MAX_EXTPARSE_CACHE_DEPTH 96 /* Parse tree objects */
+#define ACPI_MAX_OBJECT_CACHE_DEPTH 96 /* Interpreter operand objects */
+#define ACPI_MAX_NAMESPACE_CACHE_DEPTH 96 /* Namespace objects */
+
+/*
+ * Should the subsystem abort the loading of an ACPI table if the
+ * table checksum is incorrect?
+ */
+#define ACPI_CHECKSUM_ABORT FALSE
+
+/*
+ * Generate a version of ACPICA that only supports "reduced hardware"
+ * platforms (as defined in ACPI 5.0). Set to TRUE to generate a specialized
+ * version of ACPICA that ONLY supports the ACPI 5.0 "reduced hardware"
+ * model. In other words, no ACPI hardware is supported.
+ *
+ * If TRUE, this means no support for the following:
+ * PM Event and Control registers
+ * SCI interrupt (and handler)
+ * Fixed Events
+ * General Purpose Events (GPEs)
+ * Global Lock
+ * ACPI PM timer
+ * FACS table (Waking vectors and Global Lock)
+ */
+#define ACPI_REDUCED_HARDWARE FALSE
+
+/******************************************************************************
+ *
+ * Subsystem Constants
+ *
+ *****************************************************************************/
+
+/* Version of ACPI supported */
+
+#define ACPI_CA_SUPPORT_LEVEL 5
+
+/* Maximum count for a semaphore object */
+
+#define ACPI_MAX_SEMAPHORE_COUNT 256
+
+/* Maximum object reference count (detects object deletion issues) */
+
+#define ACPI_MAX_REFERENCE_COUNT 0x1000
+
+/* Default page size for use in mapping memory for operation regions */
+
+#define ACPI_DEFAULT_PAGE_SIZE 4096 /* Must be power of 2 */
+
+/* owner_id tracking. 8 entries allows for 255 owner_ids */
+
+#define ACPI_NUM_OWNERID_MASKS 8
+
+/* Size of the root table array is increased by this increment */
+
+#define ACPI_ROOT_TABLE_SIZE_INCREMENT 4
+
+/* Maximum number of While() loop iterations before forced abort */
+
+#define ACPI_MAX_LOOP_ITERATIONS 0xFFFF
+
+/* Maximum sleep allowed via Sleep() operator */
+
+#define ACPI_MAX_SLEEP 2000 /* Two seconds */
+
+/* Address Range lists are per-space_id (Memory and I/O only) */
+
+#define ACPI_ADDRESS_RANGE_MAX 2
+
+/******************************************************************************
+ *
+ * ACPI Specification constants (Do not change unless the specification changes)
+ *
+ *****************************************************************************/
+
+/* Number of distinct GPE register blocks and register width */
+
+#define ACPI_MAX_GPE_BLOCKS 2
+#define ACPI_GPE_REGISTER_WIDTH 8
+
+/* Method info (in WALK_STATE), containing local variables and argumetns */
+
+#define ACPI_METHOD_NUM_LOCALS 8
+#define ACPI_METHOD_MAX_LOCAL 7
+
+#define ACPI_METHOD_NUM_ARGS 7
+#define ACPI_METHOD_MAX_ARG 6
+
+/* Length of _HID, _UID, _CID, and UUID values */
+
+#define ACPI_DEVICE_ID_LENGTH 0x09
+#define ACPI_MAX_CID_LENGTH 48
+#define ACPI_UUID_LENGTH 16
+
+/*
+ * Operand Stack (in WALK_STATE), Must be large enough to contain METHOD_MAX_ARG
+ */
+#define ACPI_OBJ_NUM_OPERANDS 8
+#define ACPI_OBJ_MAX_OPERAND 7
+
+/* Number of elements in the Result Stack frame, can be an arbitrary value */
+
+#define ACPI_RESULTS_FRAME_OBJ_NUM 8
+
+/*
+ * Maximal number of elements the Result Stack can contain,
+ * it may be an arbitray value not exceeding the types of
+ * result_size and result_count (now u8).
+ */
+#define ACPI_RESULTS_OBJ_NUM_MAX 255
+
+/* Names within the namespace are 4 bytes long */
+
+#define ACPI_NAME_SIZE 4
+#define ACPI_PATH_SEGMENT_LENGTH 5 /* 4 chars for name + 1 char for separator */
+#define ACPI_PATH_SEPARATOR '.'
+
+/* Sizes for ACPI table headers */
+
+#define ACPI_OEM_ID_SIZE 6
+#define ACPI_OEM_TABLE_ID_SIZE 8
+
+/* Constants used in searching for the RSDP in low memory */
+
+#define ACPI_EBDA_PTR_LOCATION 0x0000040E /* Physical Address */
+#define ACPI_EBDA_PTR_LENGTH 2
+#define ACPI_EBDA_WINDOW_SIZE 1024
+#define ACPI_HI_RSDP_WINDOW_BASE 0x000E0000 /* Physical Address */
+#define ACPI_HI_RSDP_WINDOW_SIZE 0x00020000
+#define ACPI_RSDP_SCAN_STEP 16
+
+/* Operation regions */
+
+#define ACPI_USER_REGION_BEGIN 0x80
+
+/* Maximum space_ids for Operation Regions */
+
+#define ACPI_MAX_ADDRESS_SPACE 255
+
+/* Array sizes. Used for range checking also */
+
+#define ACPI_MAX_MATCH_OPCODE 5
+
+/* RSDP checksums */
+
+#define ACPI_RSDP_CHECKSUM_LENGTH 20
+#define ACPI_RSDP_XCHECKSUM_LENGTH 36
+
+/* SMBus, GSBus and IPMI bidirectional buffer size */
+
+#define ACPI_SMBUS_BUFFER_SIZE 34
+#define ACPI_GSBUS_BUFFER_SIZE 34
+#define ACPI_IPMI_BUFFER_SIZE 66
+
+/* _sx_d and _sx_w control methods */
+
+#define ACPI_NUM_sx_d_METHODS 4
+#define ACPI_NUM_sx_w_METHODS 5
+
+/******************************************************************************
+ *
+ * ACPI AML Debugger
+ *
+ *****************************************************************************/
+
+#define ACPI_DEBUGGER_MAX_ARGS 8 /* Must be max method args + 1 */
+
+#define ACPI_DEBUGGER_COMMAND_PROMPT '-'
+#define ACPI_DEBUGGER_EXECUTE_PROMPT '%'
+
+#endif /* _ACCONFIG_H */
diff --git a/include/acpi/acexcep.h b/include/acpi/acexcep.h
index 5b6c391..47b3902 100644
--- a/include/acpi/acexcep.h
+++ b/include/acpi/acexcep.h
@@ -89,8 +89,9 @@
#define AE_SAME_HANDLER (acpi_status) (0x0019 | AE_CODE_ENVIRONMENTAL)
#define AE_NO_HANDLER (acpi_status) (0x001A | AE_CODE_ENVIRONMENTAL)
#define AE_OWNER_ID_LIMIT (acpi_status) (0x001B | AE_CODE_ENVIRONMENTAL)
+#define AE_NOT_CONFIGURED (acpi_status) (0x001C | AE_CODE_ENVIRONMENTAL)
-#define AE_CODE_ENV_MAX 0x001B
+#define AE_CODE_ENV_MAX 0x001C
/*
* Programmer exceptions
@@ -213,7 +214,8 @@
"AE_ABORT_METHOD",
"AE_SAME_HANDLER",
"AE_NO_HANDLER",
- "AE_OWNER_ID_LIMIT"
+ "AE_OWNER_ID_LIMIT",
+ "AE_NOT_CONFIGURED"
};
char const *acpi_gbl_exception_names_pgm[] = {
diff --git a/include/acpi/acpixf.h b/include/acpi/acpixf.h
index 67cd51c..e8600dd9 100644
--- a/include/acpi/acpixf.h
+++ b/include/acpi/acpixf.h
@@ -49,6 +49,7 @@
#define ACPI_CA_VERSION 0x20120111
+#include "acconfig.h"
#include "actypes.h"
#include "actbl.h"
@@ -71,6 +72,33 @@
extern u8 acpi_gbl_truncate_io_addresses;
extern u8 acpi_gbl_disable_auto_repair;
+/*
+ * Hardware-reduced prototypes. All interfaces that use these macros will
+ * be configured out of the ACPICA build if the ACPI_REDUCED_HARDWARE flag
+ * is set to TRUE.
+ */
+#if (!ACPI_REDUCED_HARDWARE)
+#define ACPI_HW_DEPENDENT_RETURN_STATUS(prototype) \
+ prototype;
+
+#define ACPI_HW_DEPENDENT_RETURN_OK(prototype) \
+ prototype;
+
+#define ACPI_HW_DEPENDENT_RETURN_VOID(prototype) \
+ prototype;
+
+#else
+#define ACPI_HW_DEPENDENT_RETURN_STATUS(prototype) \
+ static ACPI_INLINE prototype {return(AE_NOT_CONFIGURED);}
+
+#define ACPI_HW_DEPENDENT_RETURN_OK(prototype) \
+ static ACPI_INLINE prototype {return(AE_OK);}
+
+#define ACPI_HW_DEPENDENT_RETURN_VOID(prototype) \
+ static ACPI_INLINE prototype {}
+
+#endif /* !ACPI_REDUCED_HARDWARE */
+
extern u32 acpi_current_gpe_count;
extern struct acpi_table_fadt acpi_gbl_FADT;
extern u8 acpi_gbl_system_awake_and_running;
@@ -96,9 +124,8 @@
acpi_status acpi_subsystem_status(void);
#endif
-acpi_status acpi_enable(void);
-
-acpi_status acpi_disable(void);
+ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status acpi_enable(void))
+ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status acpi_disable(void))
#ifdef ACPI_FUTURE_USAGE
acpi_status acpi_get_system_info(struct acpi_buffer *ret_buffer);
@@ -235,17 +262,34 @@
acpi_status
acpi_install_initialization_handler(acpi_init_handler handler, u32 function);
-acpi_status
-acpi_install_global_event_handler(ACPI_GBL_EVENT_HANDLER handler,
- void *context);
+ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
+ acpi_install_global_event_handler
+ (ACPI_GBL_EVENT_HANDLER handler, void *context))
-acpi_status
-acpi_install_fixed_event_handler(u32 acpi_event,
- acpi_event_handler handler, void *context);
-
-acpi_status
-acpi_remove_fixed_event_handler(u32 acpi_event, acpi_event_handler handler);
-
+ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
+ acpi_install_fixed_event_handler(u32
+ acpi_event,
+ acpi_event_handler
+ handler,
+ void
+ *context))
+ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
+ acpi_remove_fixed_event_handler(u32 acpi_event,
+ acpi_event_handler
+ handler))
+ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
+ acpi_install_gpe_handler(acpi_handle
+ gpe_device,
+ u32 gpe_number,
+ u32 type,
+ acpi_gpe_handler
+ address,
+ void *context))
+ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
+ acpi_remove_gpe_handler(acpi_handle gpe_device,
+ u32 gpe_number,
+ acpi_gpe_handler
+ address))
acpi_status
acpi_install_notify_handler(acpi_handle device,
u32 handler_type,
@@ -266,15 +310,6 @@
acpi_adr_space_type space_id,
acpi_adr_space_handler handler);
-acpi_status
-acpi_install_gpe_handler(acpi_handle gpe_device,
- u32 gpe_number,
- u32 type, acpi_gpe_handler address, void *context);
-
-acpi_status
-acpi_remove_gpe_handler(acpi_handle gpe_device,
- u32 gpe_number, acpi_gpe_handler address);
-
#ifdef ACPI_FUTURE_USAGE
acpi_status acpi_install_exception_handler(acpi_exception_handler handler);
#endif
@@ -284,9 +319,11 @@
/*
* Global Lock interfaces
*/
-acpi_status acpi_acquire_global_lock(u16 timeout, u32 * handle);
-
-acpi_status acpi_release_global_lock(u32 handle);
+ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
+ acpi_acquire_global_lock(u16 timeout,
+ u32 *handle))
+ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
+ acpi_release_global_lock(u32 handle))
/*
* Interfaces to AML mutex objects
@@ -299,47 +336,75 @@
/*
* Fixed Event interfaces
*/
-acpi_status acpi_enable_event(u32 event, u32 flags);
+ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
+ acpi_enable_event(u32 event, u32 flags))
-acpi_status acpi_disable_event(u32 event, u32 flags);
+ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
+ acpi_disable_event(u32 event, u32 flags))
-acpi_status acpi_clear_event(u32 event);
+ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status acpi_clear_event(u32 event))
-acpi_status acpi_get_event_status(u32 event, acpi_event_status * event_status);
-
+ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
+ acpi_get_event_status(u32 event,
+ acpi_event_status
+ *event_status))
/*
* General Purpose Event (GPE) Interfaces
*/
-acpi_status acpi_enable_gpe(acpi_handle gpe_device, u32 gpe_number);
+ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status acpi_update_all_gpes(void))
-acpi_status acpi_disable_gpe(acpi_handle gpe_device, u32 gpe_number);
+ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
+ acpi_enable_gpe(acpi_handle gpe_device,
+ u32 gpe_number))
-acpi_status acpi_clear_gpe(acpi_handle gpe_device, u32 gpe_number);
+ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
+ acpi_disable_gpe(acpi_handle gpe_device,
+ u32 gpe_number))
-acpi_status
-acpi_setup_gpe_for_wake(acpi_handle parent_device,
- acpi_handle gpe_device, u32 gpe_number);
+ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
+ acpi_clear_gpe(acpi_handle gpe_device,
+ u32 gpe_number))
-acpi_status acpi_set_gpe_wake_mask(acpi_handle gpe_device, u32 gpe_number, u8 action);
+ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
+ acpi_set_gpe(acpi_handle gpe_device,
+ u32 gpe_number, u8 action))
-acpi_status
-acpi_get_gpe_status(acpi_handle gpe_device,
- u32 gpe_number, acpi_event_status *event_status);
+ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
+ acpi_finish_gpe(acpi_handle gpe_device,
+ u32 gpe_number))
-acpi_status acpi_disable_all_gpes(void);
+ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
+ acpi_setup_gpe_for_wake(acpi_handle
+ parent_device,
+ acpi_handle gpe_device,
+ u32 gpe_number))
+ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
+ acpi_set_gpe_wake_mask(acpi_handle gpe_device,
+ u32 gpe_number,
+ u8 action))
+ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
+ acpi_get_gpe_status(acpi_handle gpe_device,
+ u32 gpe_number,
+ acpi_event_status
+ *event_status))
-acpi_status acpi_enable_all_runtime_gpes(void);
+ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status acpi_disable_all_gpes(void))
-acpi_status acpi_get_gpe_device(u32 gpe_index, acpi_handle *gpe_device);
+ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status acpi_enable_all_runtime_gpes(void))
-acpi_status
-acpi_install_gpe_block(acpi_handle gpe_device,
- struct acpi_generic_address *gpe_block_address,
- u32 register_count, u32 interrupt_number);
+ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
+ acpi_get_gpe_device(u32 gpe_index,
+ acpi_handle * gpe_device))
-acpi_status acpi_remove_gpe_block(acpi_handle gpe_device);
-
-acpi_status acpi_update_all_gpes(void);
+ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
+ acpi_install_gpe_block(acpi_handle gpe_device,
+ struct
+ acpi_generic_address
+ *gpe_block_address,
+ u32 register_count,
+ u32 interrupt_number))
+ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
+ acpi_remove_gpe_block(acpi_handle gpe_device))
/*
* Resource interfaces
@@ -391,20 +456,31 @@
*/
acpi_status acpi_reset(void);
-acpi_status acpi_read_bit_register(u32 register_id, u32 *return_value);
+ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
+ acpi_read_bit_register(u32 register_id,
+ u32 *return_value))
-acpi_status acpi_write_bit_register(u32 register_id, u32 value);
+ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
+ acpi_write_bit_register(u32 register_id,
+ u32 value))
-acpi_status acpi_set_firmware_waking_vector(u32 physical_address);
+ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
+ acpi_set_firmware_waking_vector(u32
+ physical_address))
#if ACPI_MACHINE_WIDTH == 64
-acpi_status acpi_set_firmware_waking_vector64(u64 physical_address);
+ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
+ acpi_set_firmware_waking_vector64(u64
+ physical_address))
#endif
acpi_status acpi_read(u64 *value, struct acpi_generic_address *reg);
acpi_status acpi_write(u64 value, struct acpi_generic_address *reg);
+/*
+ * Sleep/Wake interfaces
+ */
acpi_status
acpi_get_sleep_type_data(u8 sleep_state, u8 * slp_typ_a, u8 * slp_typ_b);
@@ -412,7 +488,7 @@
acpi_status asmlinkage acpi_enter_sleep_state(u8 sleep_state);
-acpi_status asmlinkage acpi_enter_sleep_state_s4bios(void);
+ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status asmlinkage acpi_enter_sleep_state_s4bios(void))
acpi_status acpi_leave_sleep_state_prep(u8 sleep_state);
@@ -422,12 +498,15 @@
* ACPI Timer interfaces
*/
#ifdef ACPI_FUTURE_USAGE
-acpi_status acpi_get_timer_resolution(u32 *resolution);
+ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
+ acpi_get_timer_resolution(u32 *resolution))
-acpi_status acpi_get_timer(u32 *ticks);
+ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status acpi_get_timer(u32 *ticks))
-acpi_status
-acpi_get_timer_duration(u32 start_ticks, u32 end_ticks, u32 *time_elapsed);
+ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
+ acpi_get_timer_duration(u32 start_ticks,
+ u32 end_ticks,
+ u32 *time_elapsed))
#endif /* ACPI_FUTURE_USAGE */
/*
