diff options
Diffstat (limited to 'include')
| -rw-r--r-- | include/acpi/acconfig.h | 2 | ||||
| -rw-r--r-- | include/acpi/acexcep.h | 8 | ||||
| -rw-r--r-- | include/acpi/acnames.h | 26 | ||||
| -rw-r--r-- | include/acpi/acpi_bus.h | 21 | ||||
| -rw-r--r-- | include/acpi/acpiosxf.h | 155 | ||||
| -rw-r--r-- | include/acpi/acpixf.h | 93 | ||||
| -rw-r--r-- | include/acpi/actbl.h | 19 | ||||
| -rw-r--r-- | include/acpi/actbl2.h | 4 | ||||
| -rw-r--r-- | include/acpi/actypes.h | 77 | ||||
| -rw-r--r-- | include/acpi/platform/acenv.h | 8 | ||||
| -rw-r--r-- | include/acpi/platform/aclinux.h | 131 | ||||
| -rw-r--r-- | include/acpi/processor.h | 4 | ||||
| -rw-r--r-- | include/linux/acpi.h | 2 | ||||
| -rw-r--r-- | include/linux/backlight.h | 4 | ||||
| -rw-r--r-- | include/linux/bitops.h | 3 | ||||
| -rw-r--r-- | include/linux/cpu.h | 13 | ||||
| -rw-r--r-- | include/linux/cpufreq.h | 75 | ||||
| -rw-r--r-- | include/linux/cpuidle.h | 8 | ||||
| -rw-r--r-- | include/linux/devfreq.h | 6 | ||||
| -rw-r--r-- | include/linux/opp.h | 134 | ||||
| -rw-r--r-- | include/linux/pm_opp.h | 139 | ||||
| -rw-r--r-- | include/linux/powercap.h | 325 |
22 files changed, 955 insertions, 302 deletions
diff --git a/include/acpi/acconfig.h b/include/acpi/acconfig.h index 1c16f821434f..d98c67001840 100644 --- a/include/acpi/acconfig.h +++ b/include/acpi/acconfig.h @@ -100,7 +100,9 @@ * ACPI PM timer * FACS table (Waking vectors and Global Lock) */ +#ifndef ACPI_REDUCED_HARDWARE #define ACPI_REDUCED_HARDWARE FALSE +#endif /****************************************************************************** * diff --git a/include/acpi/acexcep.h b/include/acpi/acexcep.h index cf051e05a8fe..4e280bd226dd 100644 --- a/include/acpi/acexcep.h +++ b/include/acpi/acexcep.h @@ -125,8 +125,9 @@ struct acpi_exception_info { #define AE_NO_HANDLER EXCEP_ENV (0x001A) #define AE_OWNER_ID_LIMIT EXCEP_ENV (0x001B) #define AE_NOT_CONFIGURED EXCEP_ENV (0x001C) +#define AE_ACCESS EXCEP_ENV (0x001D) -#define AE_CODE_ENV_MAX 0x001C +#define AE_CODE_ENV_MAX 0x001D /* * Programmer exceptions @@ -227,7 +228,7 @@ static const struct acpi_exception_info acpi_gbl_exception_names_env[] = { EXCEP_TXT("AE_NO_ACPI_TABLES", "ACPI tables could not be found"), EXCEP_TXT("AE_NO_NAMESPACE", "A namespace has not been loaded"), EXCEP_TXT("AE_NO_MEMORY", "Insufficient dynamic memory"), - EXCEP_TXT("AE_NOT_FOUND", "The name was not found in the namespace"), + EXCEP_TXT("AE_NOT_FOUND", "A requested entity is not found"), EXCEP_TXT("AE_NOT_EXIST", "A required entity does not exist"), EXCEP_TXT("AE_ALREADY_EXISTS", "An entity already exists"), EXCEP_TXT("AE_TYPE", "The object type is incorrect"), @@ -259,7 +260,8 @@ static const struct acpi_exception_info acpi_gbl_exception_names_env[] = { EXCEP_TXT("AE_OWNER_ID_LIMIT", "There are no more Owner IDs available for ACPI tables or control methods"), EXCEP_TXT("AE_NOT_CONFIGURED", - "The interface is not part of the current subsystem configuration") + "The interface is not part of the current subsystem configuration"), + EXCEP_TXT("AE_ACCESS", "Permission denied for the requested operation") }; static const struct acpi_exception_info acpi_gbl_exception_names_pgm[] = { diff --git a/include/acpi/acnames.h b/include/acpi/acnames.h index ce08ef7d969c..1f36777e26fe 100644 --- a/include/acpi/acnames.h +++ b/include/acpi/acnames.h @@ -46,25 +46,25 @@ /* Method names - these methods can appear anywhere in the namespace */ -#define METHOD_NAME__SB_ "_SB_" -#define METHOD_NAME__HID "_HID" -#define METHOD_NAME__CID "_CID" -#define METHOD_NAME__UID "_UID" -#define METHOD_NAME__SUB "_SUB" #define METHOD_NAME__ADR "_ADR" -#define METHOD_NAME__INI "_INI" -#define METHOD_NAME__STA "_STA" -#define METHOD_NAME__REG "_REG" -#define METHOD_NAME__SEG "_SEG" +#define METHOD_NAME__AEI "_AEI" #define METHOD_NAME__BBN "_BBN" -#define METHOD_NAME__PRT "_PRT" +#define METHOD_NAME__CBA "_CBA" +#define METHOD_NAME__CID "_CID" #define METHOD_NAME__CRS "_CRS" +#define METHOD_NAME__HID "_HID" +#define METHOD_NAME__INI "_INI" +#define METHOD_NAME__PLD "_PLD" #define METHOD_NAME__PRS "_PRS" -#define METHOD_NAME__AEI "_AEI" +#define METHOD_NAME__PRT "_PRT" #define METHOD_NAME__PRW "_PRW" +#define METHOD_NAME__REG "_REG" +#define METHOD_NAME__SB_ "_SB_" +#define METHOD_NAME__SEG "_SEG" #define METHOD_NAME__SRS "_SRS" -#define METHOD_NAME__CBA "_CBA" -#define METHOD_NAME__PLD "_PLD" +#define METHOD_NAME__STA "_STA" +#define METHOD_NAME__SUB "_SUB" +#define METHOD_NAME__UID "_UID" /* Method names - these methods must appear at the namespace root */ diff --git a/include/acpi/acpi_bus.h b/include/acpi/acpi_bus.h index d9019821aa60..89c60b0f6408 100644 --- a/include/acpi/acpi_bus.h +++ b/include/acpi/acpi_bus.h @@ -222,7 +222,8 @@ struct acpi_device_power_flags { u32 power_resources:1; /* Power resources */ u32 inrush_current:1; /* Serialize Dx->D0 */ u32 power_removed:1; /* Optimize Dx->D0 */ - u32 reserved:28; + u32 ignore_parent:1; /* Power is independent of parent power state */ + u32 reserved:27; }; struct acpi_device_power_state { @@ -338,20 +339,6 @@ struct acpi_bus_event { u32 data; }; -struct acpi_eject_event { - struct acpi_device *device; - u32 event; -}; - -struct acpi_hp_work { - struct work_struct work; - acpi_handle handle; - u32 type; - void *context; -}; -void alloc_acpi_hp_work(acpi_handle handle, u32 type, void *context, - void (*func)(struct work_struct *work)); - extern struct kobject *acpi_kobj; extern int acpi_bus_generate_netlink_event(const char*, const char*, u8, int); void acpi_bus_private_data_handler(acpi_handle, void *); @@ -390,7 +377,6 @@ int acpi_scan_add_handler(struct acpi_scan_handler *handler); int acpi_bus_register_driver(struct acpi_driver *driver); void acpi_bus_unregister_driver(struct acpi_driver *driver); int acpi_bus_scan(acpi_handle handle); -void acpi_bus_hot_remove_device(void *context); void acpi_bus_trim(struct acpi_device *start); acpi_status acpi_bus_get_ejd(acpi_handle handle, acpi_handle * ejd); int acpi_match_device_ids(struct acpi_device *device, @@ -398,6 +384,9 @@ int acpi_match_device_ids(struct acpi_device *device, int acpi_create_dir(struct acpi_device *); void acpi_remove_dir(struct acpi_device *); +typedef void (*acpi_hp_callback)(void *data, u32 src); + +acpi_status acpi_hotplug_execute(acpi_hp_callback func, void *data, u32 src); /** * module_acpi_driver(acpi_driver) - Helper macro for registering an ACPI driver diff --git a/include/acpi/acpiosxf.h b/include/acpi/acpiosxf.h index 64b8c7639520..01e6c6d8b7e1 100644 --- a/include/acpi/acpiosxf.h +++ b/include/acpi/acpiosxf.h @@ -77,54 +77,80 @@ struct acpi_signal_fatal_info { /* * OSL Initialization and shutdown primitives */ -acpi_status __init acpi_os_initialize(void); +#ifndef ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_initialize +acpi_status acpi_os_initialize(void); +#endif +#ifndef ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_terminate acpi_status acpi_os_terminate(void); +#endif /* * ACPI Table interfaces */ +#ifndef ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_get_root_pointer acpi_physical_address acpi_os_get_root_pointer(void); +#endif +#ifndef ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_predefined_override acpi_status acpi_os_predefined_override(const struct acpi_predefined_names *init_val, acpi_string * new_val); +#endif +#ifndef ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_table_override acpi_status acpi_os_table_override(struct acpi_table_header *existing_table, struct acpi_table_header **new_table); +#endif +#ifndef ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_physical_table_override acpi_status acpi_os_physical_table_override(struct acpi_table_header *existing_table, acpi_physical_address * new_address, u32 *new_table_length); +#endif /* * Spinlock primitives */ -#ifndef acpi_os_create_lock +#ifndef ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_create_lock acpi_status acpi_os_create_lock(acpi_spinlock * out_handle); #endif +#ifndef ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_delete_lock void acpi_os_delete_lock(acpi_spinlock handle); +#endif +#ifndef ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_acquire_lock acpi_cpu_flags acpi_os_acquire_lock(acpi_spinlock handle); +#endif +#ifndef ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_release_lock void acpi_os_release_lock(acpi_spinlock handle, acpi_cpu_flags flags); +#endif /* * Semaphore primitives */ +#ifndef ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_create_semaphore acpi_status acpi_os_create_semaphore(u32 max_units, u32 initial_units, acpi_semaphore * out_handle); +#endif +#ifndef ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_delete_semaphore acpi_status acpi_os_delete_semaphore(acpi_semaphore handle); +#endif +#ifndef ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_wait_semaphore acpi_status acpi_os_wait_semaphore(acpi_semaphore handle, u32 units, u16 timeout); +#endif +#ifndef ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_signal_semaphore acpi_status acpi_os_signal_semaphore(acpi_semaphore handle, u32 units); +#endif /* * Mutex primitives. May be configured to use semaphores instead via @@ -132,29 +158,48 @@ acpi_status acpi_os_signal_semaphore(acpi_semaphore handle, u32 units); */ #if (ACPI_MUTEX_TYPE != ACPI_BINARY_SEMAPHORE) +#ifndef ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_create_mutex acpi_status acpi_os_create_mutex(acpi_mutex * out_handle); +#endif +#ifndef ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_delete_mutex void acpi_os_delete_mutex(acpi_mutex handle); +#endif +#ifndef ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_acquire_mutex acpi_status acpi_os_acquire_mutex(acpi_mutex handle, u16 timeout); +#endif +#ifndef ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_release_mutex void acpi_os_release_mutex(acpi_mutex handle); #endif +#endif + /* * Memory allocation and mapping */ +#ifndef ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_allocate void *acpi_os_allocate(acpi_size size); +#endif +#ifndef ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_allocate_zeroed +void *acpi_os_allocate_zeroed(acpi_size size); +#endif + +#ifndef ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_free void acpi_os_free(void *memory); +#endif -void __iomem *acpi_os_map_memory(acpi_physical_address where, - acpi_size length); +#ifndef ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_map_memory +void *acpi_os_map_memory(acpi_physical_address where, acpi_size length); +#endif -void acpi_os_unmap_memory(void __iomem * logical_address, acpi_size size); -void early_acpi_os_unmap_memory(void __iomem * virt, acpi_size size); +#ifndef ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_unmap_memory +void acpi_os_unmap_memory(void *logical_address, acpi_size size); +#endif -#ifdef ACPI_FUTURE_USAGE +#ifndef ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_get_physical_address acpi_status acpi_os_get_physical_address(void *logical_address, acpi_physical_address * physical_address); @@ -163,117 +208,195 @@ acpi_os_get_physical_address(void *logical_address, /* * Memory/Object Cache */ +#ifndef ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_create_cache acpi_status acpi_os_create_cache(char *cache_name, u16 object_size, u16 max_depth, acpi_cache_t ** return_cache); +#endif +#ifndef ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_delete_cache acpi_status acpi_os_delete_cache(acpi_cache_t * cache); +#endif +#ifndef ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_purge_cache acpi_status acpi_os_purge_cache(acpi_cache_t * cache); +#endif +#ifndef ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_acquire_object void *acpi_os_acquire_object(acpi_cache_t * cache); +#endif +#ifndef ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_release_object acpi_status acpi_os_release_object(acpi_cache_t * cache, void *object); +#endif /* * Interrupt handlers */ +#ifndef ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_install_interrupt_handler acpi_status acpi_os_install_interrupt_handler(u32 interrupt_number, acpi_osd_handler service_routine, void *context); +#endif +#ifndef ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_remove_interrupt_handler acpi_status acpi_os_remove_interrupt_handler(u32 interrupt_number, acpi_osd_handler service_routine); - -void acpi_os_gpe_count(u32 gpe_number); -void acpi_os_fixed_event_count(u32 fixed_event_number); +#endif /* * Threads and Scheduling */ +#ifndef ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_get_thread_id acpi_thread_id acpi_os_get_thread_id(void); +#endif +#ifndef ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_execute acpi_status acpi_os_execute(acpi_execute_type type, acpi_osd_exec_callback function, void *context); +#endif -acpi_status -acpi_os_hotplug_execute(acpi_osd_exec_callback function, void *context); - +#ifndef ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_wait_events_complete void acpi_os_wait_events_complete(void); +#endif +#ifndef ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_sleep void acpi_os_sleep(u64 milliseconds); +#endif +#ifndef ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_stall void acpi_os_stall(u32 microseconds); +#endif /* * Platform and hardware-independent I/O interfaces */ -acpi_status acpi_os_read_port(acpi_io_address address, u32 * value, u32 width); +#ifndef ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_read_port +acpi_status acpi_os_read_port(acpi_io_address address, u32 *value, u32 width); +#endif +#ifndef ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_write_port acpi_status acpi_os_write_port(acpi_io_address address, u32 value, u32 width); +#endif /* * Platform and hardware-independent physical memory interfaces */ +#ifndef ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_read_memory acpi_status acpi_os_read_memory(acpi_physical_address address, u64 *value, u32 width); +#endif +#ifndef ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_write_memory acpi_status acpi_os_write_memory(acpi_physical_address address, u64 value, u32 width); +#endif /* * Platform and hardware-independent PCI configuration space access * Note: Can't use "Register" as a parameter, changed to "Reg" -- * certain compilers complain. */ +#ifndef ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_read_pci_configuration acpi_status acpi_os_read_pci_configuration(struct acpi_pci_id *pci_id, u32 reg, u64 *value, u32 width); +#endif +#ifndef ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_write_pci_configuration acpi_status acpi_os_write_pci_configuration(struct acpi_pci_id *pci_id, u32 reg, u64 value, u32 width); +#endif /* * Miscellaneous */ +#ifndef ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_readable +u8 acpi_os_readable(void *pointer, acpi_size length); +#endif + +#ifndef ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_writable +u8 acpi_os_writable(void *pointer, acpi_size length); +#endif + +#ifndef ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_get_timer u64 acpi_os_get_timer(void); +#endif +#ifndef ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_signal acpi_status acpi_os_signal(u32 function, void *info); +#endif /* * Debug print routines */ +#ifndef ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_printf void ACPI_INTERNAL_VAR_XFACE acpi_os_printf(const char *format, ...); +#endif +#ifndef ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_vprintf void acpi_os_vprintf(const char *format, va_list args); +#endif +#ifndef ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_redirect_output void acpi_os_redirect_output(void *destination); +#endif -#ifdef ACPI_FUTURE_USAGE /* * Debug input */ -u32 acpi_os_get_line(char *buffer); +#ifndef ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_get_line +acpi_status acpi_os_get_line(char *buffer, u32 buffer_length, u32 *bytes_read); +#endif + +/* + * Obtain ACPI table(s) + */ +#ifndef ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_get_table_by_name +acpi_status +acpi_os_get_table_by_name(char *signature, + u32 instance, + struct acpi_table_header **table, + acpi_physical_address * address); +#endif + +#ifndef ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_get_table_by_index +acpi_status +acpi_os_get_table_by_index(u32 index, + struct acpi_table_header **table, + u32 *instance, acpi_physical_address * address); +#endif + +#ifndef ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_get_table_by_address +acpi_status +acpi_os_get_table_by_address(acpi_physical_address address, + struct acpi_table_header **table); #endif /* * Directory manipulation */ +#ifndef ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_open_directory void *acpi_os_open_directory(char *pathname, char *wildcard_spec, char requested_file_type); +#endif /* requeste_file_type values */ #define REQUEST_FILE_ONLY 0 #define REQUEST_DIR_ONLY 1 +#ifndef ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_get_next_filename char *acpi_os_get_next_filename(void *dir_handle); +#endif +#ifndef ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_close_directory void acpi_os_close_directory(void *dir_handle); +#endif #endif /* __ACPIOSXF_H__ */ diff --git a/include/acpi/acpixf.h b/include/acpi/acpixf.h index 85bfdbe17805..d8f9457755b4 100644 --- a/include/acpi/acpixf.h +++ b/include/acpi/acpixf.h @@ -46,7 +46,7 @@ /* Current ACPICA subsystem version in YYYYMMDD format */ -#define ACPI_CA_VERSION 0x20130725 +#define ACPI_CA_VERSION 0x20130927 #include <acpi/acconfig.h> #include <acpi/actypes.h> @@ -54,6 +54,7 @@ #include <acpi/acbuffer.h> extern u8 acpi_gbl_permanent_mmap; +extern u32 acpi_rsdt_forced; /* * Globals that are publically available @@ -106,39 +107,41 @@ extern u8 acpi_gbl_disable_ssdt_table_load; static ACPI_INLINE prototype {return(AE_OK);} #define ACPI_HW_DEPENDENT_RETURN_VOID(prototype) \ - static ACPI_INLINE prototype {} + static ACPI_INLINE prototype {return;} #endif /* !ACPI_REDUCED_HARDWARE */ -extern u32 acpi_rsdt_forced; /* * Initialization */ -acpi_status +acpi_status __init acpi_initialize_tables(struct acpi_table_desc *initial_storage, u32 initial_table_count, u8 allow_resize); acpi_status __init acpi_initialize_subsystem(void); -acpi_status acpi_enable_subsystem(u32 flags); +acpi_status __init acpi_enable_subsystem(u32 flags); -acpi_status acpi_initialize_objects(u32 flags); +acpi_status __init acpi_initialize_objects(u32 flags); -acpi_status acpi_terminate(void); +acpi_status __init acpi_terminate(void); /* * Miscellaneous global interfaces */ 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_subsystem_status(void); + acpi_status acpi_subsystem_status(void); #endif #ifdef ACPI_FUTURE_USAGE acpi_status acpi_get_system_info(struct acpi_buffer *ret_buffer); #endif +acpi_status acpi_get_statistics(struct acpi_statistics *stats); + const char *acpi_format_exception(acpi_status exception); acpi_status acpi_purge_cached_objects(void); @@ -159,29 +162,20 @@ acpi_decode_pld_buffer(u8 *in_buffer, acpi_size length, struct acpi_pld_info **return_buffer); /* - * ACPI Memory management - */ -void *acpi_allocate(u32 size); - -void *acpi_callocate(u32 size); - -void acpi_free(void *address); - -/* * ACPI table load/unload interfaces */ acpi_status acpi_load_table(struct acpi_table_header *table); acpi_status acpi_unload_parent_table(acpi_handle object); -acpi_status acpi_load_tables(void); +acpi_status __init acpi_load_tables(void); /* * ACPI table manipulation interfaces */ -acpi_status acpi_reallocate_root_table(void); +acpi_status __init acpi_reallocate_root_table(void); -acpi_status acpi_find_root_pointer(acpi_size *rsdp_address); +acpi_status __init acpi_find_root_pointer(acpi_size *rsdp_address); acpi_status acpi_unload_table_id(acpi_owner_id id); @@ -193,6 +187,7 @@ acpi_status acpi_get_table_with_size(acpi_string signature, u32 instance, struct acpi_table_header **out_table, acpi_size *tbl_size); + acpi_status acpi_get_table(acpi_string signature, u32 instance, struct acpi_table_header **out_table); @@ -280,8 +275,18 @@ acpi_status acpi_install_initialization_handler(acpi_init_handler handler, u32 function); ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status - acpi_install_global_event_handler - (acpi_gbl_event_handler handler, void *context)) + acpi_install_sci_handler(acpi_sci_handler + address, + void *context)) + +ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status + acpi_remove_sci_handler(acpi_sci_handler + address)) + +ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status + acpi_install_global_event_handler + (acpi_gbl_event_handler handler, + void *context)) ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status acpi_install_fixed_event_handler(u32 @@ -290,10 +295,12 @@ ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status 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, @@ -302,6 +309,7 @@ ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status acpi_gpe_handler address, void *context)) + ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status acpi_remove_gpe_handler(acpi_handle gpe_device, u32 gpe_number, @@ -338,6 +346,7 @@ acpi_status acpi_install_interface_handler(acpi_interface_handler handler); 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)) @@ -364,6 +373,7 @@ ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status acpi_get_event_status(u32 event, acpi_event_status *event_status)) + /* * General Purpose Event (GPE) Interfaces */ @@ -394,10 +404,12 @@ ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status 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, @@ -419,6 +431,7 @@ ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status *gpe_block_address, u32 register_count, u32 interrupt_number)) + ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status acpi_remove_gpe_block(acpi_handle gpe_device)) @@ -493,13 +506,13 @@ ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status * Sleep/Wake interfaces */ acpi_status -acpi_get_sleep_type_data(u8 sleep_state, u8 * slp_typ_a, u8 * slp_typ_b); +acpi_get_sleep_type_data(u8 sleep_state, u8 *slp_typ_a, u8 *slp_typ_b); acpi_status acpi_enter_sleep_state_prep(u8 sleep_state); -acpi_status asmlinkage acpi_enter_sleep_state(u8 sleep_state); +acpi_status acpi_enter_sleep_state(u8 sleep_state); -ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status asmlinkage acpi_enter_sleep_state_s4bios(void)) +ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status acpi_enter_sleep_state_s4bios(void)) acpi_status acpi_leave_sleep_state_prep(u8 sleep_state); @@ -508,7 +521,6 @@ acpi_status acpi_leave_sleep_state(u8 sleep_state); ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status acpi_set_firmware_waking_vector(u32 physical_address)) - #if ACPI_MACHINE_WIDTH == 64 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status acpi_set_firmware_waking_vector64(u64 @@ -532,50 +544,53 @@ ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status /* * Error/Warning output */ +ACPI_PRINTF_LIKE(3) void ACPI_INTERNAL_VAR_XFACE -acpi_error(const char *module_name, - u32 line_number, const char *format, ...) ACPI_PRINTF_LIKE(3); +acpi_error(const char *module_name, u32 line_number, const char *format, ...); +ACPI_PRINTF_LIKE(4) void ACPI_INTERNAL_VAR_XFACE acpi_exception(const char *module_name, - u32 line_number, - acpi_status status, const char *format, ...) ACPI_PRINTF_LIKE(4); + u32 line_number, acpi_status status, const char *format, ...); +ACPI_PRINTF_LIKE(3) void ACPI_INTERNAL_VAR_XFACE -acpi_warning(const char *module_name, - u32 line_number, const char *format, ...) ACPI_PRINTF_LIKE(3); +acpi_warning(const char *module_name, u32 line_number, const char *format, ...); +ACPI_PRINTF_LIKE(3) void ACPI_INTERNAL_VAR_XFACE -acpi_info(const char *module_name, - u32 line_number, const char *format, ...) ACPI_PRINTF_LIKE(3); +acpi_info(const char *module_name, u32 line_number, const char *format, ...); +ACPI_PRINTF_LIKE(3) void ACPI_INTERNAL_VAR_XFACE acpi_bios_error(const char *module_name, - u32 line_number, const char *format, ...) ACPI_PRINTF_LIKE(3); + u32 line_number, const char *format, ...); +ACPI_PRINTF_LIKE(3) void ACPI_INTERNAL_VAR_XFACE acpi_bios_warning(const char *module_name, - u32 line_number, const char *format, ...) ACPI_PRINTF_LIKE(3); + u32 line_number, const char *format, ...); /* * Debug output */ #ifdef ACPI_DEBUG_OUTPUT +ACPI_PRINTF_LIKE(6) void ACPI_INTERNAL_VAR_XFACE acpi_debug_print(u32 requested_debug_level, u32 line_number, const char *function_name, const char *module_name, - u32 component_id, const char *format, ...) ACPI_PRINTF_LIKE(6); + u32 component_id, const char *format, ...); +ACPI_PRINTF_LIKE(6) void ACPI_INTERNAL_VAR_XFACE acpi_debug_print_raw(u32 requested_debug_level, u32 line_number, const char *function_name, const char *module_name, - u32 component_id, - const char *format, ...) ACPI_PRINTF_LIKE(6); + u32 component_id, const char *format, ...); #endif #endif /* __ACXFACE_H__ */ diff --git a/include/acpi/actbl.h b/include/acpi/actbl.h index 9b58a8f43771..94970880126f 100644 --- a/include/acpi/actbl.h +++ b/include/acpi/actbl.h @@ -146,7 +146,24 @@ struct acpi_table_rsdp { u8 reserved[3]; /* Reserved, must be zero */ }; -#define ACPI_RSDP_REV0_SIZE 20 /* Size of original ACPI 1.0 RSDP */ +/* Standalone struct for the ACPI 1.0 RSDP */ + +struct acpi_rsdp_common { + char signature[8]; + u8 checksum; + char oem_id[ACPI_OEM_ID_SIZE]; + u8 revision; + u32 rsdt_physical_address; +}; + +/* Standalone struct for the extended part of the RSDP (ACPI 2.0+) */ + +struct acpi_rsdp_extension { + u32 length; + u64 xsdt_physical_address; + u8 extended_checksum; + u8 reserved[3]; +}; /******************************************************************************* * diff --git a/include/acpi/actbl2.h b/include/acpi/actbl2.h index ffaac0e7e0c6..40f7ed115452 100644 --- a/include/acpi/actbl2.h +++ b/include/acpi/actbl2.h @@ -444,8 +444,8 @@ enum acpi_dmar_scope_type { }; struct acpi_dmar_pci_path { - u8 dev; - u8 fn; + u8 device; + u8 function; }; /* diff --git a/include/acpi/actypes.h b/include/acpi/actypes.h index b748aefce929..809b1a0fee7f 100644 --- a/include/acpi/actypes.h +++ b/include/acpi/actypes.h @@ -299,13 +299,57 @@ typedef u32 acpi_physical_address; #endif /* - * All ACPICA functions that are available to the rest of the kernel are - * tagged with this macro which can be defined as appropriate for the host. + * All ACPICA external functions that are available to the rest of the kernel + * are tagged with thes macros which can be defined as appropriate for the host. + * + * Notes: + * ACPI_EXPORT_SYMBOL_INIT is used for initialization and termination + * interfaces that may need special processing. + * ACPI_EXPORT_SYMBOL is used for all other public external functions. */ +#ifndef ACPI_EXPORT_SYMBOL_INIT +#define ACPI_EXPORT_SYMBOL_INIT(symbol) +#endif + #ifndef ACPI_EXPORT_SYMBOL #define ACPI_EXPORT_SYMBOL(symbol) #endif +/* + * Compiler/Clibrary-dependent debug initialization. Used for ACPICA + * utilities only. + */ +#ifndef ACPI_DEBUG_INITIALIZE +#define ACPI_DEBUG_INITIALIZE() +#endif + +/******************************************************************************* + * + * Configuration + * + ******************************************************************************/ + +#ifdef ACPI_DBG_TRACK_ALLOCATIONS +/* + * Memory allocation tracking (used by acpi_exec to detect memory leaks) + */ +#define ACPI_MEM_PARAMETERS _COMPONENT, _acpi_module_name, __LINE__ +#define ACPI_ALLOCATE(a) acpi_ut_allocate_and_track ((acpi_size) (a), ACPI_MEM_PARAMETERS) +#define ACPI_ALLOCATE_ZEROED(a) acpi_ut_allocate_zeroed_and_track ((acpi_size) (a), ACPI_MEM_PARAMETERS) +#define ACPI_FREE(a) acpi_ut_free_and_track (a, ACPI_MEM_PARAMETERS) +#define ACPI_MEM_TRACKING(a) a + +#else +/* + * Normal memory allocation directly via the OS services layer + */ +#define ACPI_ALLOCATE(a) acpi_os_allocate ((acpi_size) (a)) +#define ACPI_ALLOCATE_ZEROED(a) acpi_os_allocate_zeroed ((acpi_size) (a)) +#define ACPI_FREE(a) acpi_os_free (a) +#define ACPI_MEM_TRACKING(a) + +#endif /* ACPI_DBG_TRACK_ALLOCATIONS */ + /****************************************************************************** * * ACPI Specification constants (Do not change unless the specification changes) @@ -322,6 +366,7 @@ typedef u32 acpi_physical_address; #define ACPI_PM1_REGISTER_WIDTH 16 #define ACPI_PM2_REGISTER_WIDTH 8 #define ACPI_PM_TIMER_WIDTH 32 +#define ACPI_RESET_REGISTER_WIDTH 8 /* Names within the namespace are 4 bytes long */ @@ -474,6 +519,11 @@ typedef u64 acpi_integer; #define ACPI_MOVE_NAME(dest,src) (ACPI_STRNCPY (ACPI_CAST_PTR (char, (dest)), ACPI_CAST_PTR (char, (src)), ACPI_NAME_SIZE)) #endif +/* Support for the special RSDP signature (8 characters) */ + +#define ACPI_VALIDATE_RSDP_SIG(a) (!ACPI_STRNCMP (ACPI_CAST_PTR (char, (a)), ACPI_SIG_RSDP, 8)) +#define ACPI_MAKE_RSDP_SIG(dest) (ACPI_MEMCPY (ACPI_CAST_PTR (char, (dest)), ACPI_SIG_RSDP, 8)) + /******************************************************************************* * * Miscellaneous constants @@ -886,9 +936,13 @@ struct acpi_buffer { void *pointer; /* pointer to buffer */ }; -/* Free a buffer created in an struct acpi_buffer via ACPI_ALLOCATE_LOCAL_BUFFER */ - -#define ACPI_FREE_BUFFER(b) ACPI_FREE(b.pointer) +/* + * Free a buffer created in an struct acpi_buffer via ACPI_ALLOCATE_BUFFER. + * Note: We use acpi_os_free here because acpi_os_allocate was used to allocate + * the buffer. This purposefully bypasses the internal allocation tracking + * mechanism (if it is enabled). + */ +#define ACPI_FREE_BUFFER(b) acpi_os_free((b).pointer) /* * name_type for acpi_get_name @@ -927,6 +981,16 @@ struct acpi_system_info { u32 debug_layer; }; +/* + * System statistics returned by acpi_get_statistics() + */ +struct acpi_statistics { + u32 sci_count; + u32 gpe_count; + u32 fixed_event_count[ACPI_NUM_FIXED_EVENTS]; + u32 method_count; +}; + /* Table Event Types */ #define ACPI_TABLE_EVENT_LOAD 0x0 @@ -946,6 +1010,9 @@ typedef void * Various handlers and callback procedures */ typedef +u32 (*acpi_sci_handler) (void *context); + +typedef void (*acpi_gbl_event_handler) (u32 event_type, acpi_handle device, u32 event_number, void *context); diff --git a/include/acpi/platform/acenv.h b/include/acpi/platform/acenv.h index ef04b36ca6ed..974d3ef7c141 100644 --- a/include/acpi/platform/acenv.h +++ b/include/acpi/platform/acenv.h @@ -96,10 +96,11 @@ #endif /* - * acpi_bin/acpi_help/acpi_src configuration. All single threaded, with - * no debug output. + * acpi_bin/acpi_dump/acpi_src/acpi_xtract configuration. All single + * threaded, with no debug output. */ #if (defined ACPI_BIN_APP) || \ + (defined ACPI_DUMP_APP) || \ (defined ACPI_SRC_APP) || \ (defined ACPI_XTRACT_APP) #define ACPI_APPLICATION @@ -147,6 +148,9 @@ #if defined(_LINUX) || defined(__linux__) #include <acpi/platform/aclinux.h> +#elif defined(_APPLE) || defined(__APPLE__) +#include "acmacosx.h" + #elif defined(__FreeBSD__) || defined(__FreeBSD_kernel__) #include "acfreebsd.h" diff --git a/include/acpi/platform/aclinux.h b/include/acpi/platform/aclinux.h index 68534ef86ec8..28f4f4dba0b6 100644 --- a/include/acpi/platform/aclinux.h +++ b/include/acpi/platform/aclinux.h @@ -50,7 +50,6 @@ #define ACPI_USE_DO_WHILE_0 #define ACPI_MUTEX_TYPE ACPI_BINARY_SEMAPHORE - #ifdef __KERNEL__ #include <linux/string.h> @@ -58,11 +57,13 @@ #include <linux/ctype.h> #include <linux/sched.h> #include <linux/atomic.h> -#include <asm/div64.h> -#include <asm/acpi.h> +#include <linux/math64.h> #include <linux/slab.h> #include <linux/spinlock_types.h> -#include <asm/current.h> +#ifdef EXPORT_ACPI_INTERFACES +#include <linux/export.h> +#endif +#include <asm/acpi.h> /* Host-dependent types and defines for in-kernel ACPICA */ @@ -74,7 +75,7 @@ #define acpi_spinlock spinlock_t * #define acpi_cpu_flags unsigned long -#else /* !__KERNEL__ */ +#else /* !__KERNEL__ */ #include <stdarg.h> #include <string.h> @@ -87,7 +88,7 @@ #define ACPI_FLUSH_CPU_CACHE() #define ACPI_CAST_PTHREAD_T(pthread) ((acpi_thread_id) (pthread)) -#if defined(__ia64__) || defined(__x86_64__) +#if defined(__ia64__) || defined(__x86_64__) || defined(__aarch64__) #define ACPI_MACHINE_WIDTH 64 #define COMPILER_DEPENDENT_INT64 long #define COMPILER_DEPENDENT_UINT64 unsigned long @@ -102,21 +103,35 @@ #define __cdecl #endif -#endif /* __KERNEL__ */ +#endif /* __KERNEL__ */ /* Linux uses GCC */ #include <acpi/platform/acgcc.h> #ifdef __KERNEL__ + +/* + * FIXME: Inclusion of actypes.h + * Linux kernel need this before defining inline OSL interfaces as + * actypes.h need to be included to find ACPICA type definitions. + * Since from ACPICA's perspective, the actypes.h should be included after + * acenv.h (aclinux.h), this leads to a inclusion mis-ordering issue. + */ #include <acpi/actypes.h> + /* * Overrides for in-kernel ACPICA */ -static inline acpi_thread_id acpi_os_get_thread_id(void) -{ - return (acpi_thread_id)(unsigned long)current; -} +acpi_status __init acpi_os_initialize(void); +#define ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_initialize + +acpi_status acpi_os_terminate(void); +#define ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_terminate + +/* + * Memory allocation/deallocation + */ /* * The irqs_disabled() check is for resume from RAM. @@ -126,25 +141,45 @@ static inline acpi_thread_id acpi_os_get_thread_id(void) */ static inline void *acpi_os_allocate(acpi_size size) { - return kmalloc(size, irqs_disabled() ? GFP_ATOMIC : GFP_KERNEL); + return kmalloc(size, irqs_disabled()? GFP_ATOMIC : GFP_KERNEL); } +#define ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_allocate + +/* Use native linux version of acpi_os_allocate_zeroed */ + static inline void *acpi_os_allocate_zeroed(acpi_size size) { - return kzalloc(size, irqs_disabled() ? GFP_ATOMIC : GFP_KERNEL); + return kzalloc(size, irqs_disabled()? GFP_ATOMIC : GFP_KERNEL); +} + +#define ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_allocate_zeroed +#define USE_NATIVE_ALLOCATE_ZEROED + +static inline void acpi_os_free(void *memory) +{ + kfree(memory); } +#define ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_free + static inline void *acpi_os_acquire_object(acpi_cache_t * cache) { return kmem_cache_zalloc(cache, - irqs_disabled() ? GFP_ATOMIC : GFP_KERNEL); + irqs_disabled()? GFP_ATOMIC : GFP_KERNEL); +} + +#define ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_acquire_object + +static inline acpi_thread_id acpi_os_get_thread_id(void) +{ + return (acpi_thread_id) (unsigned long)current; } -#define ACPI_ALLOCATE(a) acpi_os_allocate(a) -#define ACPI_ALLOCATE_ZEROED(a) acpi_os_allocate_zeroed(a) -#define ACPI_FREE(a) kfree(a) +#define ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_get_thread_id #ifndef CONFIG_PREEMPT + /* * Used within ACPICA to show where it is safe to preempt execution * when CONFIG_PREEMPT=n @@ -154,6 +189,7 @@ static inline void *acpi_os_acquire_object(acpi_cache_t * cache) if (!irqs_disabled()) \ cond_resched(); \ } while (0) + #endif /* @@ -163,17 +199,50 @@ static inline void *acpi_os_acquire_object(acpi_cache_t * cache) * all locks to the name of the argument of acpi_os_create_lock(), which * prevents lockdep from reporting false positives for ACPICA locks. */ -#define acpi_os_create_lock(__handle) \ -({ \ - spinlock_t *lock = ACPI_ALLOCATE(sizeof(*lock)); \ - \ - if (lock) { \ - *(__handle) = lock; \ - spin_lock_init(*(__handle)); \ - } \ - lock ? AE_OK : AE_NO_MEMORY; \ -}) - -#endif /* __KERNEL__ */ - -#endif /* __ACLINUX_H__ */ +#define acpi_os_create_lock(__handle) \ + ({ \ + spinlock_t *lock = ACPI_ALLOCATE(sizeof(*lock)); \ + if (lock) { \ + *(__handle) = lock; \ + spin_lock_init(*(__handle)); \ + } \ + lock ? AE_OK : AE_NO_MEMORY; \ + }) +#define ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_create_lock + +void __iomem *acpi_os_map_memory(acpi_physical_address where, acpi_size length); +#define ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_map_memory + +void acpi_os_unmap_memory(void __iomem * logical_address, acpi_size size); +#define ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_unmap_memory + +/* + * OSL interfaces used by debugger/disassembler + */ +#define ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_readable +#define ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_writable + +/* + * OSL interfaces used by utilities + */ +#define ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_redirect_output +#define ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_get_line +#define ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_get_table_by_name +#define ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_get_table_by_index +#define ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_get_table_by_address +#define ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_open_directory +#define ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_get_next_filename +#define ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_close_directory + +/* + * OSL interfaces added by Linux + */ +void early_acpi_os_unmap_memory(void __iomem * virt, acpi_size size); + +void acpi_os_gpe_count(u32 gpe_number); + +void acpi_os_fixed_event_count(u32 fixed_event_number); + +#endif /* __KERNEL__ */ + +#endif /* __ACLINUX_H__ */ diff --git a/include/acpi/processor.h b/include/acpi/processor.h index 66096d06925e..6eb1d3cb5104 100644 --- a/include/acpi/processor.h +++ b/include/acpi/processor.h @@ -199,6 +199,7 @@ struct acpi_processor_flags { struct acpi_processor { acpi_handle handle; u32 acpi_id; + u32 apic_id; u32 id; u32 pblk; int performance_platform_limit; @@ -224,7 +225,6 @@ struct acpi_processor_errata { } piix4; }; -extern void acpi_processor_load_module(struct acpi_processor *pr); extern int acpi_processor_preregister_performance(struct acpi_processor_performance __percpu *performance); @@ -314,6 +314,8 @@ static inline int acpi_processor_get_bios_limit(int cpu, unsigned int *limit) /* in processor_core.c */ void acpi_processor_set_pdc(acpi_handle handle); +int acpi_get_apicid(acpi_handle, int type, u32 acpi_id); +int acpi_map_cpuid(int apic_id, u32 acpi_id); int acpi_get_cpuid(acpi_handle, int type, u32 acpi_id); /* in processor_throttling.c */ diff --git a/include/linux/acpi.h b/include/linux/acpi.h index c30bac8503bc..74c5a8e467e8 100644 --- a/include/linux/acpi.h +++ b/include/linux/acpi.h @@ -116,7 +116,7 @@ void acpi_numa_arch_fixup(void); #ifdef CONFIG_ACPI_HOTPLUG_CPU /* Arch dependent functions for cpu hotplug support */ -int acpi_map_lsapic(acpi_handle handle, int *pcpu); +int acpi_map_lsapic(acpi_handle handle, int physid, int *pcpu); int acpi_unmap_lsapic(int cpu); #endif /* CONFIG_ACPI_HOTPLUG_CPU */ diff --git a/include/linux/backlight.h b/include/linux/backlight.h index 53b77949c79d..5f9cd963213d 100644 --- a/include/linux/backlight.h +++ b/include/linux/backlight.h @@ -100,6 +100,9 @@ struct backlight_device { /* The framebuffer notifier block */ struct notifier_block fb_notif; + /* list entry of all registered backlight devices */ + struct list_head entry; + struct device dev; }; @@ -123,6 +126,7 @@ extern void devm_backlight_device_unregister(struct device *dev, struct backlight_device *bd); extern void backlight_force_update(struct backlight_device *bd, enum backlight_update_reason reason); +extern bool backlight_device_registered(enum backlight_type type); #define to_backlight_device(obj) container_of(obj, struct backlight_device, dev) diff --git a/include/linux/bitops.h b/include/linux/bitops.h index bd0c4598d03b..abc9ca778456 100644 --- a/include/linux/bitops.h +++ b/include/linux/bitops.h @@ -4,8 +4,11 @@ #ifdef __KERNEL__ #define BIT(nr) (1UL << (nr)) +#define BIT_ULL(nr) (1ULL << (nr)) #define BIT_MASK(nr) (1UL << ((nr) % BITS_PER_LONG)) #define BIT_WORD(nr) ((nr) / BITS_PER_LONG) +#define BIT_ULL_MASK(nr) (1ULL << ((nr) % BITS_PER_LONG_LONG)) +#define BIT_ULL_WORD(nr) ((nr) / BITS_PER_LONG_LONG) #define BITS_PER_BYTE 8 #define BITS_TO_LONGS(nr) DIV_ROUND_UP(nr, BITS_PER_BYTE * sizeof(long)) #endif diff --git a/include/linux/cpu.h b/include/linux/cpu.h index fbd25c3c2923..03e235ad1bba 100644 --- a/include/linux/cpu.h +++ b/include/linux/cpu.h @@ -188,19 +188,6 @@ extern void cpu_hotplug_enable(void); void clear_tasks_mm_cpumask(int cpu); int cpu_down(unsigned int cpu); -#ifdef CONFIG_ARCH_CPU_PROBE_RELEASE -extern void cpu_hotplug_driver_lock(void); -extern void cpu_hotplug_driver_unlock(void); -#else -static inline void cpu_hotplug_driver_lock(void) -{ -} - -static inline void cpu_hotplug_driver_unlock(void) -{ -} -#endif - #else /* CONFIG_HOTPLUG_CPU */ static inline void cpu_hotplug_begin(void) {} diff --git a/include/linux/cpufreq.h b/include/linux/cpufreq.h index fcabc42d66ab..5bd6ab9b0c27 100644 --- a/include/linux/cpufreq.h +++ b/include/linux/cpufreq.h @@ -85,6 +85,20 @@ struct cpufreq_policy { struct list_head policy_list; struct kobject kobj; struct completion kobj_unregister; + + /* + * The rules for this semaphore: + * - Any routine that wants to read from the policy structure will + * do a down_read on this semaphore. + * - Any routine that will write to the policy structure and/or may take away + * the policy altogether (eg. CPU hotplug), will hold this lock in write + * mode before doing so. + * + * Additional rules: + * - Lock should not be held across + * __cpufreq_governor(data, CPUFREQ_GOV_POLICY_EXIT); + */ + struct rw_semaphore rwsem; }; /* Only for ACPI */ @@ -180,13 +194,6 @@ __ATTR(_name, 0644, show_##_name, store_##_name) struct cpufreq_driver { char name[CPUFREQ_NAME_LEN]; u8 flags; - /* - * This should be set by platforms having multiple clock-domains, i.e. - * supporting multiple policies. With this sysfs directories of governor - * would be created in cpu/cpu<num>/cpufreq/ directory and so they can - * use the same governor with different tunables for different clusters. - */ - bool have_governor_per_policy; /* needed by all drivers */ int (*init) (struct cpufreq_policy *policy); @@ -194,9 +201,11 @@ struct cpufreq_driver { /* define one out of two */ int (*setpolicy) (struct cpufreq_policy *policy); - int (*target) (struct cpufreq_policy *policy, + int (*target) (struct cpufreq_policy *policy, /* Deprecated */ unsigned int target_freq, unsigned int relation); + int (*target_index) (struct cpufreq_policy *policy, + unsigned int index); /* should be defined, if possible */ unsigned int (*get) (unsigned int cpu); @@ -211,13 +220,29 @@ struct cpufreq_driver { }; /* flags */ -#define CPUFREQ_STICKY 0x01 /* the driver isn't removed even if - * all ->init() calls failed */ -#define CPUFREQ_CONST_LOOPS 0x02 /* loops_per_jiffy or other kernel - * "constants" aren't affected by - * frequency transitions */ -#define CPUFREQ_PM_NO_WARN 0x04 /* don't warn on suspend/resume speed - * mismatches */ +#define CPUFREQ_STICKY (1 << 0) /* driver isn't removed even if + all ->init() calls failed */ +#define CPUFREQ_CONST_LOOPS (1 << 1) /* loops_per_jiffy or other + kernel "constants" aren't + affected by frequency + transitions */ +#define CPUFREQ_PM_NO_WARN (1 << 2) /* don't warn on suspend/resume + speed mismatches */ + +/* + * This should be set by platforms having multiple clock-domains, i.e. + * supporting multiple policies. With this sysfs directories of governor would + * be created in cpu/cpu<num>/cpufreq/ directory and so they can use the same + * governor with different tunables for different clusters. + */ +#define CPUFREQ_HAVE_GOVERNOR_PER_POLICY (1 << 3) + +/* + * Driver will do POSTCHANGE notifications from outside of their ->target() + * routine and so must set cpufreq_driver->flags with this flag, so that core + * can handle them specially. + */ +#define CPUFREQ_ASYNC_NOTIFICATION (1 << 4) int cpufreq_register_driver(struct cpufreq_driver *driver_data); int cpufreq_unregister_driver(struct cpufreq_driver *driver_data); @@ -240,6 +265,13 @@ static inline void cpufreq_verify_within_limits(struct cpufreq_policy *policy, return; } +static inline void +cpufreq_verify_within_cpu_limits(struct cpufreq_policy *policy) +{ + cpufreq_verify_within_limits(policy, policy->cpuinfo.min_freq, + policy->cpuinfo.max_freq); +} + /********************************************************************* * CPUFREQ NOTIFIER INTERFACE * *********************************************************************/ @@ -392,6 +424,7 @@ int cpufreq_frequency_table_cpuinfo(struct cpufreq_policy *policy, int cpufreq_frequency_table_verify(struct cpufreq_policy *policy, struct cpufreq_frequency_table *table); +int cpufreq_generic_frequency_table_verify(struct cpufreq_policy *policy); int cpufreq_frequency_table_target(struct cpufreq_policy *policy, struct cpufreq_frequency_table *table, @@ -407,8 +440,20 @@ struct cpufreq_frequency_table *cpufreq_frequency_get_table(unsigned int cpu); /* the following are really really optional */ extern struct freq_attr cpufreq_freq_attr_scaling_available_freqs; +extern struct freq_attr *cpufreq_generic_attr[]; void cpufreq_frequency_table_get_attr(struct cpufreq_frequency_table *table, unsigned int cpu); void cpufreq_frequency_table_put_attr(unsigned int cpu); +int cpufreq_table_validate_and_show(struct cpufreq_policy *policy, + struct cpufreq_frequency_table *table); + +int cpufreq_generic_init(struct cpufreq_policy *policy, + struct cpufreq_frequency_table *table, + unsigned int transition_latency); +static inline int cpufreq_generic_exit(struct cpufreq_policy *policy) +{ + cpufreq_frequency_table_put_attr(policy->cpu); + return 0; +} #endif /* _LINUX_CPUFREQ_H */ diff --git a/include/linux/cpuidle.h b/include/linux/cpuidle.h index 781addc66f03..50fcbb0ac4e7 100644 --- a/include/linux/cpuidle.h +++ b/include/linux/cpuidle.h @@ -114,7 +114,7 @@ struct cpuidle_driver { int safe_state_index; /* the driver handles the cpus in cpumask */ - struct cpumask *cpumask; + struct cpumask *cpumask; }; #ifdef CONFIG_CPU_IDLE @@ -195,16 +195,10 @@ struct cpuidle_governor { }; #ifdef CONFIG_CPU_IDLE - extern int cpuidle_register_governor(struct cpuidle_governor *gov); -extern void cpuidle_unregister_governor(struct cpuidle_governor *gov); - #else - static inline int cpuidle_register_governor(struct cpuidle_governor *gov) {return 0;} -static inline void cpuidle_unregister_governor(struct cpuidle_governor *gov) { } - #endif #ifdef CONFIG_ARCH_HAS_CPU_RELAX diff --git a/include/linux/devfreq.h b/include/linux/devfreq.h index 5f1ab92107e6..7a7cc74d7f27 100644 --- a/include/linux/devfreq.h +++ b/include/linux/devfreq.h @@ -15,7 +15,7 @@ #include <linux/device.h> #include <linux/notifier.h> -#include <linux/opp.h> +#include <linux/pm_opp.h> #define DEVFREQ_NAME_LEN 16 @@ -187,7 +187,7 @@ extern int devfreq_suspend_device(struct devfreq *devfreq); extern int devfreq_resume_device(struct devfreq *devfreq); /* Helper functions for devfreq user device driver with OPP. */ -extern struct opp *devfreq_recommended_opp(struct device *dev, +extern struct dev_pm_opp *devfreq_recommended_opp(struct device *dev, unsigned long *freq, u32 flags); extern int devfreq_register_opp_notifier(struct device *dev, struct devfreq *devfreq); @@ -238,7 +238,7 @@ static inline int devfreq_resume_device(struct devfreq *devfreq) return 0; } -static inline struct opp *devfreq_recommended_opp(struct device *dev, +static inline struct dev_pm_opp *devfreq_recommended_opp(struct device *dev, unsigned long *freq, u32 flags) { return ERR_PTR(-EINVAL); diff --git a/include/linux/opp.h b/include/linux/opp.h deleted file mode 100644 index 3aca2b8def33..000000000000 --- a/include/linux/opp.h +++ /dev/null @@ -1,134 +0,0 @@ -/* - * Generic OPP Interface - * - * Copyright (C) 2009-2010 Texas Instruments Incorporated. - * Nishanth Menon - * Romit Dasgupta - * Kevin Hilman - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - */ - -#ifndef __LINUX_OPP_H__ -#define __LINUX_OPP_H__ - -#include <linux/err.h> -#include <linux/cpufreq.h> -#include <linux/notifier.h> - -struct opp; -struct device; - -enum opp_event { - OPP_EVENT_ADD, OPP_EVENT_ENABLE, OPP_EVENT_DISABLE, -}; - -#if defined(CONFIG_PM_OPP) - -unsigned long opp_get_voltage(struct opp *opp); - -unsigned long opp_get_freq(struct opp *opp); - -int opp_get_opp_count(struct device *dev); - -struct opp *opp_find_freq_exact(struct device *dev, unsigned long freq, - bool available); - -struct opp *opp_find_freq_floor(struct device *dev, unsigned long *freq); - -struct opp *opp_find_freq_ceil(struct device *dev, unsigned long *freq); - -int opp_add(struct device *dev, unsigned long freq, unsigned long u_volt); - -int opp_enable(struct device *dev, unsigned long freq); - -int opp_disable(struct device *dev, unsigned long freq); - -struct srcu_notifier_head *opp_get_notifier(struct device *dev); -#else -static inline unsigned long opp_get_voltage(struct opp *opp) -{ - return 0; -} - -static inline unsigned long opp_get_freq(struct opp *opp) -{ - return 0; -} - -static inline int opp_get_opp_count(struct device *dev) -{ - return 0; -} - -static inline struct opp *opp_find_freq_exact(struct device *dev, - unsigned long freq, bool available) -{ - return ERR_PTR(-EINVAL); -} - -static inline struct opp *opp_find_freq_floor(struct device *dev, - unsigned long *freq) -{ - return ERR_PTR(-EINVAL); -} - -static inline struct opp *opp_find_freq_ceil(struct device *dev, - unsigned long *freq) -{ - return ERR_PTR(-EINVAL); -} - -static inline int opp_add(struct device *dev, unsigned long freq, - unsigned long u_volt) -{ - return -EINVAL; -} - -static inline int opp_enable(struct device *dev, unsigned long freq) -{ - return 0; -} - -static inline int opp_disable(struct device *dev, unsigned long freq) -{ - return 0; -} - -static inline struct srcu_notifier_head *opp_get_notifier(struct device *dev) -{ - return ERR_PTR(-EINVAL); -} -#endif /* CONFIG_PM_OPP */ - -#if defined(CONFIG_PM_OPP) && defined(CONFIG_OF) -int of_init_opp_table(struct device *dev); -#else -static inline int of_init_opp_table(struct device *dev) -{ - return -EINVAL; -} -#endif - -#if defined(CONFIG_CPU_FREQ) && defined(CONFIG_PM_OPP) -int opp_init_cpufreq_table(struct device *dev, - struct cpufreq_frequency_table **table); -void opp_free_cpufreq_table(struct device *dev, - struct cpufreq_frequency_table **table); -#else -static inline int opp_init_cpufreq_table(struct device *dev, - struct cpufreq_frequency_table **table) -{ - return -EINVAL; -} - -static inline -void opp_free_cpufreq_table(struct device *dev, - struct cpufreq_frequency_table **table) -{ -} -#endif /* CONFIG_CPU_FREQ */ - -#endif /* __LINUX_OPP_H__ */ diff --git a/include/linux/pm_opp.h b/include/linux/pm_opp.h new file mode 100644 index 000000000000..5151b0059585 --- /dev/null +++ b/include/linux/pm_opp.h @@ -0,0 +1,139 @@ +/* + * Generic OPP Interface + * + * Copyright (C) 2009-2010 Texas Instruments Incorporated. + * Nishanth Menon + * Romit Dasgupta + * Kevin Hilman + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ + +#ifndef __LINUX_OPP_H__ +#define __LINUX_OPP_H__ + +#include <linux/err.h> +#include <linux/cpufreq.h> +#include <linux/notifier.h> + +struct dev_pm_opp; +struct device; + +enum dev_pm_opp_event { + OPP_EVENT_ADD, OPP_EVENT_ENABLE, OPP_EVENT_DISABLE, +}; + +#if defined(CONFIG_PM_OPP) + +unsigned long dev_pm_opp_get_voltage(struct dev_pm_opp *opp); + +unsigned long dev_pm_opp_get_freq(struct dev_pm_opp *opp); + +int dev_pm_opp_get_opp_count(struct device *dev); + +struct dev_pm_opp *dev_pm_opp_find_freq_exact(struct device *dev, + unsigned long freq, + bool available); + +struct dev_pm_opp *dev_pm_opp_find_freq_floor(struct device *dev, + unsigned long *freq); + +struct dev_pm_opp *dev_pm_opp_find_freq_ceil(struct device *dev, + unsigned long *freq); + +int dev_pm_opp_add(struct device *dev, unsigned long freq, + unsigned long u_volt); + +int dev_pm_opp_enable(struct device *dev, unsigned long freq); + +int dev_pm_opp_disable(struct device *dev, unsigned long freq); + +struct srcu_notifier_head *dev_pm_opp_get_notifier(struct device *dev); +#else +static inline unsigned long dev_pm_opp_get_voltage(struct dev_pm_opp *opp) +{ + return 0; +} + +static inline unsigned long dev_pm_opp_get_freq(struct dev_pm_opp *opp) +{ + return 0; +} + +static inline int dev_pm_opp_get_opp_count(struct device *dev) +{ + return 0; +} + +static inline struct dev_pm_opp *dev_pm_opp_find_freq_exact(struct device *dev, + unsigned long freq, bool available) +{ + return ERR_PTR(-EINVAL); +} + +static inline struct dev_pm_opp *dev_pm_opp_find_freq_floor(struct device *dev, + unsigned long *freq) +{ + return ERR_PTR(-EINVAL); +} + +static inline struct dev_pm_opp *dev_pm_opp_find_freq_ceil(struct device *dev, + unsigned long *freq) +{ + return ERR_PTR(-EINVAL); +} + +static inline int dev_pm_opp_add(struct device *dev, unsigned long freq, + unsigned long u_volt) +{ + return -EINVAL; +} + +static inline int dev_pm_opp_enable(struct device *dev, unsigned long freq) +{ + return 0; +} + +static inline int dev_pm_opp_disable(struct device *dev, unsigned long freq) +{ + return 0; +} + +static inline struct srcu_notifier_head *dev_pm_opp_get_notifier( + struct device *dev) +{ + return ERR_PTR(-EINVAL); +} +#endif /* CONFIG_PM_OPP */ + +#if defined(CONFIG_PM_OPP) && defined(CONFIG_OF) +int of_init_opp_table(struct device *dev); +#else +static inline int of_init_opp_table(struct device *dev) +{ + return -EINVAL; +} +#endif + +#if defined(CONFIG_CPU_FREQ) && defined(CONFIG_PM_OPP) +int dev_pm_opp_init_cpufreq_table(struct device *dev, + struct cpufreq_frequency_table **table); +void dev_pm_opp_free_cpufreq_table(struct device *dev, + struct cpufreq_frequency_table **table); +#else +static inline int dev_pm_opp_init_cpufreq_table(struct device *dev, + struct cpufreq_frequency_table **table) +{ + return -EINVAL; +} + +static inline +void dev_pm_opp_free_cpufreq_table(struct device *dev, + struct cpufreq_frequency_table **table) +{ +} +#endif /* CONFIG_CPU_FREQ */ + +#endif /* __LINUX_OPP_H__ */ diff --git a/include/linux/powercap.h b/include/linux/powercap.h new file mode 100644 index 000000000000..4e250417ee30 --- /dev/null +++ b/include/linux/powercap.h @@ -0,0 +1,325 @@ +/* + * powercap.h: Data types and headers for sysfs power capping interface + * Copyright (c) 2013, Intel Corporation. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms and conditions of the GNU General Public License, + * version 2, as published by the Free Software Foundation. + * + * This program is distributed in the hope 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. + * + * You should have received a copy of the GNU General Public License along with + * this program; if not, write to the Free Software Foundation, Inc. + * + */ + +#ifndef __POWERCAP_H__ +#define __POWERCAP_H__ + +#include <linux/device.h> +#include <linux/idr.h> + +/* + * A power cap class device can contain multiple powercap control_types. + * Each control_type can have multiple power zones, which can be independently + * controlled. Each power zone can have one or more constraints. + */ + +struct powercap_control_type; +struct powercap_zone; +struct powercap_zone_constraint; + +/** + * struct powercap_control_type_ops - Define control type callbacks + * @set_enable: Enable/Disable whole control type. + * Default is enabled. But this callback allows all zones + * to be in disable state and remove any applied power + * limits. If disabled power zone can only be monitored + * not controlled. + * @get_enable: get Enable/Disable status. + * @release: Callback to inform that last reference to this + * control type is closed. So it is safe to free data + * structure associated with this control type. + * This callback is mandatory if the client own memory + * for the control type. + * + * This structure defines control type callbacks to be implemented by client + * drivers + */ +struct powercap_control_type_ops { + int (*set_enable) (struct powercap_control_type *, bool mode); + int (*get_enable) (struct powercap_control_type *, bool *mode); + int (*release) (struct powercap_control_type *); +}; + +/** + * struct powercap_control_type- Defines a powercap control_type + * @name: name of control_type + * @dev: device for this control_type + * @idr: idr to have unique id for its child + * @root_node: Root holding power zones for this control_type + * @ops: Pointer to callback struct + * @node_lock: mutex for control type + * @allocated: This is possible that client owns the memory + * used by this structure. In this case + * this flag is set to false by framework to + * prevent deallocation during release process. + * Otherwise this flag is set to true. + * @ctrl_inst: link to the control_type list + * + * Defines powercap control_type. This acts as a container for power + * zones, which use same method to control power. E.g. RAPL, RAPL-PCI etc. + * All fields are private and should not be used by client drivers. + */ +struct powercap_control_type { + struct device dev; + struct idr idr; + int nr_zones; + const struct powercap_control_type_ops *ops; + struct mutex lock; + bool allocated; + struct list_head node; +}; + +/** + * struct powercap_zone_ops - Define power zone callbacks + * @get_max_energy_range_uj: Get maximum range of energy counter in + * micro-joules. + * @get_energy_uj: Get current energy counter in micro-joules. + * @reset_energy_uj: Reset micro-joules energy counter. + * @get_max_power_range_uw: Get maximum range of power counter in + * micro-watts. + * @get_power_uw: Get current power counter in micro-watts. + * @set_enable: Enable/Disable power zone controls. + * Default is enabled. + * @get_enable: get Enable/Disable status. + * @release: Callback to inform that last reference to this + * control type is closed. So it is safe to free + * data structure associated with this + * control type. Mandatory, if client driver owns + * the power_zone memory. + * + * This structure defines zone callbacks to be implemented by client drivers. + * Client drives can define both energy and power related callbacks. But at + * the least one type (either power or energy) is mandatory. Client drivers + * should handle mutual exclusion, if required in callbacks. + */ +struct powercap_zone_ops { + int (*get_max_energy_range_uj) (struct powercap_zone *, u64 *); + int (*get_energy_uj) (struct powercap_zone *, u64 *); + int (*reset_energy_uj) (struct powercap_zone *); + int (*get_max_power_range_uw) (struct powercap_zone *, u64 *); + int (*get_power_uw) (struct powercap_zone *, u64 *); + int (*set_enable) (struct powercap_zone *, bool mode); + int (*get_enable) (struct powercap_zone *, bool *mode); + int (*release) (struct powercap_zone *); +}; + +#define POWERCAP_ZONE_MAX_ATTRS 6 +#define POWERCAP_CONSTRAINTS_ATTRS 8 +#define MAX_CONSTRAINTS_PER_ZONE 10 +/** + * struct powercap_zone- Defines instance of a power cap zone + * @id: Unique id + * @name: Power zone name. + * @control_type_inst: Control type instance for this zone. + * @ops: Pointer to the zone operation structure. + * @dev: Instance of a device. + * @const_id_cnt: Number of constraint defined. + * @idr: Instance to an idr entry for children zones. + * @parent_idr: To remove reference from the parent idr. + * @private_data: Private data pointer if any for this zone. + * @zone_dev_attrs: Attributes associated with this device. + * @zone_attr_count: Attribute count. + * @dev_zone_attr_group: Attribute group for attributes. + * @dev_attr_groups: Attribute group store to register with device. + * @allocated: This is possible that client owns the memory + * used by this structure. In this case + * this flag is set to false by framework to + * prevent deallocation during release process. + * Otherwise this flag is set to true. + * @constraint_ptr: List of constraints for this zone. + * + * This defines a power zone instance. The fields of this structure are + * private, and should not be used by client drivers. + */ +struct powercap_zone { + int id; + char *name; + void *control_type_inst; + const struct powercap_zone_ops *ops; + struct device dev; + int const_id_cnt; + struct idr idr; + struct idr *parent_idr; + void *private_data; + struct attribute **zone_dev_attrs; + int zone_attr_count; + struct attribute_group dev_zone_attr_group; + const struct attribute_group *dev_attr_groups[2]; /* 1 group + NULL */ + bool allocated; + struct powercap_zone_constraint *constraints; +}; + +/** + * struct powercap_zone_constraint_ops - Define constraint callbacks + * @set_power_limit_uw: Set power limit in micro-watts. + * @get_power_limit_uw: Get power limit in micro-watts. + * @set_time_window_us: Set time window in micro-seconds. + * @get_time_window_us: Get time window in micro-seconds. + * @get_max_power_uw: Get max power allowed in micro-watts. + * @get_min_power_uw: Get min power allowed in micro-watts. + * @get_max_time_window_us: Get max time window allowed in micro-seconds. + * @get_min_time_window_us: Get min time window allowed in micro-seconds. + * @get_name: Get the name of constraint + * + * This structure is used to define the constraint callbacks for the client + * drivers. The following callbacks are mandatory and can't be NULL: + * set_power_limit_uw + * get_power_limit_uw + * set_time_window_us + * get_time_window_us + * get_name + * Client drivers should handle mutual exclusion, if required in callbacks. + */ +struct powercap_zone_constraint_ops { + int (*set_power_limit_uw) (struct powercap_zone *, int, u64); + int (*get_power_limit_uw) (struct powercap_zone *, int, u64 *); + int (*set_time_window_us) (struct powercap_zone *, int, u64); + int (*get_time_window_us) (struct powercap_zone *, int, u64 *); + int (*get_max_power_uw) (struct powercap_zone *, int, u64 *); + int (*get_min_power_uw) (struct powercap_zone *, int, u64 *); + int (*get_max_time_window_us) (struct powercap_zone *, int, u64 *); + int (*get_min_time_window_us) (struct powercap_zone *, int, u64 *); + const char *(*get_name) (struct powercap_zone *, int); +}; + +/** + * struct powercap_zone_constraint- Defines instance of a constraint + * @id: Instance Id of this constraint. + * @power_zone: Pointer to the power zone for this constraint. + * @ops: Pointer to the constraint callbacks. + * + * This defines a constraint instance. + */ +struct powercap_zone_constraint { + int id; + struct powercap_zone *power_zone; + struct powercap_zone_constraint_ops *ops; +}; + + +/* For clients to get their device pointer, may be used for dev_dbgs */ +#define POWERCAP_GET_DEV(power_zone) (&power_zone->dev) + +/** +* powercap_set_zone_data() - Set private data for a zone +* @power_zone: A pointer to the valid zone instance. +* @pdata: A pointer to the user private data. +* +* Allows client drivers to associate some private data to zone instance. +*/ +static inline void powercap_set_zone_data(struct powercap_zone *power_zone, + void *pdata) +{ + if (power_zone) + power_zone->private_data = pdata; +} + +/** +* powercap_get_zone_data() - Get private data for a zone +* @power_zone: A pointer to the valid zone instance. +* +* Allows client drivers to get private data associate with a zone, +* using call to powercap_set_zone_data. +*/ +static inline void *powercap_get_zone_data(struct powercap_zone *power_zone) +{ + if (power_zone) + return power_zone->private_data; + return NULL; +} + +/** +* powercap_register_control_type() - Register a control_type with framework +* @control_type: Pointer to client allocated memory for the control type +* structure storage. If this is NULL, powercap framework +* will allocate memory and own it. +* Advantage of this parameter is that client can embed +* this data in its data structures and allocate in a +* single call, preventing multiple allocations. +* @control_type_name: The Name of this control_type, which will be shown +* in the sysfs Interface. +* @ops: Callbacks for control type. This parameter is optional. +* +* Used to create a control_type with the power capping class. Here control_type +* can represent a type of technology, which can control a range of power zones. +* For example a control_type can be RAPL (Running Average Power Limit) +* Intel® 64 and IA-32 Processor Architectures. The name can be any string +* which must be unique, otherwise this function returns NULL. +* A pointer to the control_type instance is returned on success. +*/ +struct powercap_control_type *powercap_register_control_type( + struct powercap_control_type *control_type, + const char *name, + const struct powercap_control_type_ops *ops); + +/** +* powercap_unregister_control_type() - Unregister a control_type from framework +* @instance: A pointer to the valid control_type instance. +* +* Used to unregister a control_type with the power capping class. +* All power zones registered under this control type have to be unregistered +* before calling this function, or it will fail with an error code. +*/ +int powercap_unregister_control_type(struct powercap_control_type *instance); + +/* Zone register/unregister API */ + +/** +* powercap_register_zone() - Register a power zone +* @power_zone: Pointer to client allocated memory for the power zone structure +* storage. If this is NULL, powercap framework will allocate +* memory and own it. Advantage of this parameter is that client +* can embed this data in its data structures and allocate in a +* single call, preventing multiple allocations. +* @control_type: A control_type instance under which this zone operates. +* @name: A name for this zone. +* @parent: A pointer to the parent power zone instance if any or NULL +* @ops: Pointer to zone operation callback structure. +* @no_constraints: Number of constraints for this zone +* @const_ops: Pointer to constraint callback structure +* +* Register a power zone under a given control type. A power zone must register +* a pointer to a structure representing zone callbacks. +* A power zone can be located under a parent power zone, in which case @parent +* should point to it. Otherwise, if @parent is NULL, the new power zone will +* be located directly under the given control type +* For each power zone there may be a number of constraints that appear in the +* sysfs under that zone as attributes with unique numeric IDs. +* Returns pointer to the power_zone on success. +*/ +struct powercap_zone *powercap_register_zone( + struct powercap_zone *power_zone, + struct powercap_control_type *control_type, + const char *name, + struct powercap_zone *parent, + const struct powercap_zone_ops *ops, + int nr_constraints, + struct powercap_zone_constraint_ops *const_ops); + +/** +* powercap_unregister_zone() - Unregister a zone device +* @control_type: A pointer to the valid instance of a control_type. +* @power_zone: A pointer to the valid zone instance for a control_type +* +* Used to unregister a zone device for a control_type. Caller should +* make sure that children for this zone are unregistered first. +*/ +int powercap_unregister_zone(struct powercap_control_type *control_type, + struct powercap_zone *power_zone); + +#endif |