--- zzzz-none-000/linux-3.10.107/include/acpi/acpi_bus.h 2017-06-27 09:49:32.000000000 +0000 +++ scorpion-7490-727/linux-3.10.107/include/acpi/acpi_bus.h 2021-02-04 17:41:59.000000000 +0000 @@ -16,10 +16,6 @@ * 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., - * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. - * * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ */ @@ -27,8 +23,7 @@ #define __ACPI_BUS_H__ #include - -#include +#include /* TBD: Make dynamic */ #define ACPI_MAX_HANDLES 10 @@ -51,11 +46,47 @@ struct acpi_object_list *arguments, struct acpi_handle_list *list); acpi_status -acpi_evaluate_hotplug_ost(acpi_handle handle, u32 source_event, - u32 status_code, struct acpi_buffer *status_buf); +acpi_evaluate_ost(acpi_handle handle, u32 source_event, u32 status_code, + struct acpi_buffer *status_buf); acpi_status acpi_get_physical_device_location(acpi_handle handle, struct acpi_pld_info **pld); + +bool acpi_has_method(acpi_handle handle, char *name); +acpi_status acpi_execute_simple_method(acpi_handle handle, char *method, + u64 arg); +acpi_status acpi_evaluate_ej0(acpi_handle handle); +acpi_status acpi_evaluate_lck(acpi_handle handle, int lock); +bool acpi_ata_match(acpi_handle handle); +bool acpi_bay_match(acpi_handle handle); +bool acpi_dock_match(acpi_handle handle); + +bool acpi_check_dsm(acpi_handle handle, const u8 *uuid, int rev, u64 funcs); +union acpi_object *acpi_evaluate_dsm(acpi_handle handle, const u8 *uuid, + int rev, int func, union acpi_object *argv4); + +static inline union acpi_object * +acpi_evaluate_dsm_typed(acpi_handle handle, const u8 *uuid, int rev, int func, + union acpi_object *argv4, acpi_object_type type) +{ + union acpi_object *obj; + + obj = acpi_evaluate_dsm(handle, uuid, rev, func, argv4); + if (obj && obj->type != type) { + ACPI_FREE(obj); + obj = NULL; + } + + return obj; +} + +#define ACPI_INIT_DSM_ARGV4(cnt, eles) \ + { \ + .package.type = ACPI_TYPE_PACKAGE, \ + .package.count = (cnt), \ + .package.elements = (eles) \ + } + #ifdef CONFIG_ACPI #include @@ -63,13 +94,6 @@ #define ACPI_BUS_FILE_ROOT "acpi" extern struct proc_dir_entry *acpi_root_dir; -enum acpi_bus_removal_type { - ACPI_BUS_REMOVAL_NORMAL = 0, - ACPI_BUS_REMOVAL_EJECT, - ACPI_BUS_REMOVAL_SUPRISE, - ACPI_BUS_REMOVAL_TYPE_COUNT -}; - enum acpi_bus_device_type { ACPI_BUS_TYPE_DEVICE = 0, ACPI_BUS_TYPE_POWER, @@ -88,17 +112,12 @@ * ----------------- */ -enum acpi_hotplug_mode { - AHM_GENERIC = 0, - AHM_CONTAINER, - AHM_COUNT -}; - struct acpi_hotplug_profile { struct kobject kobj; + int (*scan_dependent)(struct acpi_device *adev); + void (*notify_online)(struct acpi_device *adev); bool enabled:1; - bool ignore:1; - enum acpi_hotplug_mode mode; + bool demand_offline:1; }; static inline struct acpi_hotplug_profile *to_acpi_hotplug_profile( @@ -110,12 +129,27 @@ struct acpi_scan_handler { const struct acpi_device_id *ids; struct list_head list_node; + bool (*match)(const char *idstr, const struct acpi_device_id **matchid); int (*attach)(struct acpi_device *dev, const struct acpi_device_id *id); void (*detach)(struct acpi_device *dev); + void (*bind)(struct device *phys_dev); + void (*unbind)(struct device *phys_dev); struct acpi_hotplug_profile hotplug; }; /* + * ACPI Hotplug Context + * -------------------- + */ + +struct acpi_hotplug_context { + struct acpi_device *self; + int (*notify)(struct acpi_device *, u32); + void (*uevent)(struct acpi_device *, u32); + void (*fixup)(struct acpi_device *); +}; + +/* * ACPI Driver * ----------- */ @@ -164,12 +198,16 @@ u32 dynamic_status:1; u32 removable:1; u32 ejectable:1; - u32 suprise_removal_ok:1; u32 power_manageable:1; - u32 performance_manageable:1; - u32 eject_pending:1; u32 match_driver:1; - u32 reserved:24; + u32 initialized:1; + u32 visited:1; + u32 hotplug_notify:1; + u32 is_dock_station:1; + u32 of_compatible_ok:1; + u32 coherent_dma:1; + u32 cca_seen:1; + u32 reserved:20; }; /* File System */ @@ -189,13 +227,14 @@ struct acpi_hardware_id { struct list_head list; - char *id; + const char *id; }; struct acpi_pnp_type { u32 hardware_id:1; u32 bus_address:1; - u32 reserved:30; + u32 platform_id:1; + u32 reserved:29; }; struct acpi_device_pnp { @@ -207,12 +246,12 @@ acpi_device_name device_name; /* Driver-determined */ acpi_device_class device_class; /* " */ union acpi_object *str_obj; /* unicode string for _STR method */ - unsigned long sun; /* _SUN */ }; #define acpi_device_bid(d) ((d)->pnp.bus_id) #define acpi_device_adr(d) ((d)->pnp.bus_address) const char *acpi_device_hid(struct acpi_device *device); +#define acpi_device_uid(d) ((d)->pnp.unique_id) #define acpi_device_name(d) ((d)->pnp.device_name) #define acpi_device_class(d) ((d)->pnp.device_class) @@ -223,13 +262,14 @@ 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 dsw_present:1; /* _DSW present? */ + u32 reserved:26; }; struct acpi_device_power_state { struct { u8 valid:1; - u8 os_accessible:1; u8 explicit_set:1; /* _PSx present? */ u8 reserved:6; } flags; @@ -272,6 +312,12 @@ u8 valid:1; /* Can successfully enable wakeup? */ u8 run_wake:1; /* Run-Wake GPE devices */ u8 notifier_present:1; /* Wake-up notify handler has been installed */ + u8 enabled:1; /* Enabled for wakeup */ +}; + +struct acpi_device_wakeup_context { + struct work_struct work; + struct device *dev; }; struct acpi_device_wakeup { @@ -280,26 +326,38 @@ u64 sleep_state; struct list_head resources; struct acpi_device_wakeup_flags flags; + struct acpi_device_wakeup_context context; + struct wakeup_source *ws; int prepare_count; }; struct acpi_device_physical_node { - u8 node_id; + unsigned int node_id; struct list_head node; struct device *dev; + bool put_online:1; +}; + +/* ACPI Device Specific Data (_DSD) */ +struct acpi_device_data { + const union acpi_object *pointer; + const union acpi_object *properties; + const union acpi_object *of_compatible; + struct list_head subnodes; }; -/* set maximum of physical nodes to 32 for expansibility */ -#define ACPI_MAX_PHYSICAL_NODE 32 +struct acpi_gpio_mapping; /* Device */ struct acpi_device { int device_type; acpi_handle handle; /* no handle for fixed hardware */ + struct fwnode_handle fwnode; struct acpi_device *parent; struct list_head children; struct list_head node; struct list_head wakeup_list; + struct list_head del_list; struct acpi_device_status status; struct acpi_device_flags flags; struct acpi_device_pnp pnp; @@ -307,19 +365,64 @@ struct acpi_device_wakeup wakeup; struct acpi_device_perf performance; struct acpi_device_dir dir; + struct acpi_device_data data; struct acpi_scan_handler *handler; + struct acpi_hotplug_context *hp; struct acpi_driver *driver; + const struct acpi_gpio_mapping *driver_gpios; void *driver_data; struct device dev; - enum acpi_bus_removal_type removal_type; /* indicate for different removal type */ - u8 physical_node_count; + unsigned int physical_node_count; + unsigned int dep_unmet; struct list_head physical_node_list; struct mutex physical_node_lock; - DECLARE_BITMAP(physical_node_id_bitmap, ACPI_MAX_PHYSICAL_NODE); - struct list_head power_dependent; void (*remove)(struct acpi_device *); }; +/* Non-device subnode */ +struct acpi_data_node { + const char *name; + acpi_handle handle; + struct fwnode_handle fwnode; + struct acpi_device_data data; + struct list_head sibling; + struct kobject kobj; + struct completion kobj_done; +}; + +static inline bool is_acpi_node(struct fwnode_handle *fwnode) +{ + return fwnode && (fwnode->type == FWNODE_ACPI + || fwnode->type == FWNODE_ACPI_DATA); +} + +static inline bool is_acpi_device_node(struct fwnode_handle *fwnode) +{ + return fwnode && fwnode->type == FWNODE_ACPI; +} + +static inline struct acpi_device *to_acpi_device_node(struct fwnode_handle *fwnode) +{ + return is_acpi_device_node(fwnode) ? + container_of(fwnode, struct acpi_device, fwnode) : NULL; +} + +static inline bool is_acpi_data_node(struct fwnode_handle *fwnode) +{ + return fwnode && fwnode->type == FWNODE_ACPI_DATA; +} + +static inline struct acpi_data_node *to_acpi_data_node(struct fwnode_handle *fwnode) +{ + return is_acpi_data_node(fwnode) ? + container_of(fwnode, struct acpi_data_node, fwnode) : NULL; +} + +static inline struct fwnode_handle *acpi_fwnode_handle(struct acpi_device *adev) +{ + return &adev->fwnode; +} + static inline void *acpi_driver_data(struct acpi_device *d) { return d->driver_data; @@ -328,6 +431,23 @@ #define to_acpi_device(d) container_of(d, struct acpi_device, dev) #define to_acpi_driver(d) container_of(d, struct acpi_driver, drv) +static inline void acpi_set_device_status(struct acpi_device *adev, u32 sta) +{ + *((u32 *)&adev->status) = sta; +} + +static inline void acpi_set_hp_context(struct acpi_device *adev, + struct acpi_hotplug_context *hp) +{ + hp->self = adev; + adev->hp = hp; +} + +void acpi_initialize_hp_context(struct acpi_device *adev, + struct acpi_hotplug_context *hp, + int (*notify)(struct acpi_device *, u32), + void (*uevent)(struct acpi_device *, u32)); + /* acpi_device.dev.bus == &acpi_bus_type */ extern struct bus_type acpi_bus_type; @@ -344,36 +464,23 @@ 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 *); int acpi_bus_get_private_data(acpi_handle, void **); +int acpi_bus_attach_private_data(acpi_handle, void *); +void acpi_bus_detach_private_data(acpi_handle); extern int acpi_notifier_call_chain(struct acpi_device *, u32, u32); extern int register_acpi_notifier(struct notifier_block *); extern int unregister_acpi_notifier(struct notifier_block *); -extern int register_acpi_bus_notifier(struct notifier_block *nb); -extern void unregister_acpi_bus_notifier(struct notifier_block *nb); /* * External Functions */ int acpi_bus_get_device(acpi_handle handle, struct acpi_device **device); -void acpi_bus_data_handler(acpi_handle handle, void *context); +struct acpi_device *acpi_bus_get_acpi_device(acpi_handle handle); +void acpi_bus_put_acpi_device(struct acpi_device *adev); acpi_status acpi_bus_get_status_handle(acpi_handle handle, unsigned long long *sta); int acpi_bus_get_status(struct acpi_device *device); @@ -385,6 +492,7 @@ int acpi_bus_init_power(struct acpi_device *device); int acpi_device_fix_up_power(struct acpi_device *device); int acpi_bus_update_power(acpi_handle handle, int *state_p); +int acpi_device_update_power(struct acpi_device *device, int *state_p); bool acpi_bus_power_manageable(acpi_handle handle); #ifdef CONFIG_PM @@ -393,22 +501,14 @@ static inline bool acpi_bus_can_wakeup(acpi_handle handle) { return false; } #endif -#ifdef CONFIG_ACPI_PROC_EVENT -int acpi_bus_generate_proc_event(struct acpi_device *device, u8 type, int data); -int acpi_bus_generate_proc_event4(const char *class, const char *bid, u8 type, int data); -int acpi_bus_receive_event(struct acpi_bus_event *event); -#else -static inline int acpi_bus_generate_proc_event(struct acpi_device *device, u8 type, int data) - { return 0; } -#endif - void acpi_scan_lock_acquire(void); void acpi_scan_lock_release(void); +void acpi_lock_hp_context(void); +void acpi_unlock_hp_context(void); 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, @@ -416,6 +516,10 @@ int acpi_create_dir(struct acpi_device *); void acpi_remove_dir(struct acpi_device *); +static inline bool acpi_device_enumerated(struct acpi_device *adev) +{ + return adev && adev->flags.initialized && adev->flags.visited; +} /** * module_acpi_driver(acpi_driver) - Helper macro for registering an ACPI driver @@ -436,15 +540,16 @@ struct list_head list; const char *name; bool (*match)(struct device *dev); - int (*find_device) (struct device *, acpi_handle *); + struct acpi_device * (*find_companion)(struct device *); void (*setup)(struct device *); void (*cleanup)(struct device *); }; int register_acpi_bus_type(struct acpi_bus_type *); int unregister_acpi_bus_type(struct acpi_bus_type *); +int acpi_bind_one(struct device *dev, struct acpi_device *adev); +int acpi_unbind_one(struct device *dev); struct acpi_pci_root { - struct list_head node; struct acpi_device * device; struct pci_bus *bus; u16 segment; @@ -456,70 +561,42 @@ }; /* helper */ -acpi_handle acpi_find_child(acpi_handle, u64, bool); -static inline acpi_handle acpi_get_child(acpi_handle handle, u64 addr) -{ - return acpi_find_child(handle, addr, false); -} + +bool acpi_dma_supported(struct acpi_device *adev); +enum dev_dma_attr acpi_get_dma_attr(struct acpi_device *adev); + +struct acpi_device *acpi_find_child_device(struct acpi_device *parent, + u64 address, bool check_children); int acpi_is_root_bridge(acpi_handle); struct acpi_pci_root *acpi_pci_find_root(acpi_handle handle); -#define DEVICE_ACPI_HANDLE(dev) ((acpi_handle)ACPI_HANDLE(dev)) int acpi_enable_wakeup_device_power(struct acpi_device *dev, int state); int acpi_disable_wakeup_device_power(struct acpi_device *dev); #ifdef CONFIG_PM -acpi_status acpi_add_pm_notifier(struct acpi_device *adev, - acpi_notify_handler handler, void *context); -acpi_status acpi_remove_pm_notifier(struct acpi_device *adev, - acpi_notify_handler handler); -int acpi_device_power_state(struct device *dev, struct acpi_device *adev, - u32 target_state, int d_max_in, int *d_min_p); +acpi_status acpi_add_pm_notifier(struct acpi_device *adev, struct device *dev, + void (*work_func)(struct work_struct *work)); +acpi_status acpi_remove_pm_notifier(struct acpi_device *adev); int acpi_pm_device_sleep_state(struct device *, int *, int); -void acpi_dev_pm_add_dependent(acpi_handle handle, struct device *depdev); -void acpi_dev_pm_remove_dependent(acpi_handle handle, struct device *depdev); +int acpi_pm_device_run_wake(struct device *, bool); #else static inline acpi_status acpi_add_pm_notifier(struct acpi_device *adev, - acpi_notify_handler handler, - void *context) + struct device *dev, + void (*work_func)(struct work_struct *work)) { return AE_SUPPORT; } -static inline acpi_status acpi_remove_pm_notifier(struct acpi_device *adev, - acpi_notify_handler handler) +static inline acpi_status acpi_remove_pm_notifier(struct acpi_device *adev) { return AE_SUPPORT; } -static inline int __acpi_device_power_state(int m, int *p) +static inline int acpi_pm_device_sleep_state(struct device *d, int *p, int m) { if (p) *p = ACPI_STATE_D0; - return (m >= ACPI_STATE_D0 && m <= ACPI_STATE_D3) ? m : ACPI_STATE_D0; -} -static inline int acpi_device_power_state(struct device *dev, - struct acpi_device *adev, - u32 target_state, int d_max_in, - int *d_min_p) -{ - return __acpi_device_power_state(d_max_in, d_min_p); -} -static inline int acpi_pm_device_sleep_state(struct device *d, int *p, int m) -{ - return __acpi_device_power_state(m, p); -} -static inline void acpi_dev_pm_add_dependent(acpi_handle handle, - struct device *depdev) {} -static inline void acpi_dev_pm_remove_dependent(acpi_handle handle, - struct device *depdev) {} -#endif -#ifdef CONFIG_PM_RUNTIME -int __acpi_device_run_wake(struct acpi_device *, bool); -int acpi_pm_device_run_wake(struct device *, bool); -#else -static inline int __acpi_device_run_wake(struct acpi_device *adev, bool en) -{ - return -ENODEV; + return (m >= ACPI_STATE_D0 && m <= ACPI_STATE_D3_COLD) ? + m : ACPI_STATE_D0; } static inline int acpi_pm_device_run_wake(struct device *dev, bool enable) { @@ -528,14 +605,8 @@ #endif #ifdef CONFIG_PM_SLEEP -int __acpi_device_sleep_wake(struct acpi_device *, u32, bool); int acpi_pm_device_sleep_wake(struct device *, bool); #else -static inline int __acpi_device_sleep_wake(struct acpi_device *adev, - u32 target_state, bool enable) -{ - return -ENODEV; -} static inline int acpi_pm_device_sleep_wake(struct device *dev, bool enable) { return -ENODEV; @@ -560,7 +631,7 @@ static inline bool acpi_device_can_poweroff(struct acpi_device *adev) { - return adev->power.states[ACPI_STATE_D3_COLD].flags.os_accessible; + return adev->power.states[ACPI_STATE_D3_COLD].flags.valid; } #else /* CONFIG_ACPI */