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/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 */
/*