device.h File Reference

#include <stdint.h>
#include <pbl/kernel/compiler.h>
#include <pbl/kernel/section.h>

Data Structures
struct	pbl_device_state
	Runtime state of a device. More...
struct	pbl_device
	A hardware device. More...

Macros
#define	PBL_DEVICE_DEPS(...)   ((const struct pbl_device *const[]){__VA_ARGS__, nullptr})
	Static dependency list for struct pbl_device::deps.
#define	PBL_DEVICE_STATE_DEFINE(sym)   static struct pbl_device_state sym##_device_state
	Define the runtime state of device instance sym.
#define	PBL_DEVICE_INIT(sym, _name, _init, _parent, _deps)
	Initializer for the struct pbl_device of device instance sym.
#define	PBL_DEVICE_TABLE_SECTION   PBL_SECTION(".pbl_devices")
#define	PBL_DEVICE_REGISTER(sym, dev)    static const struct pbl_device *const sym##_device_entry PBL_USED PBL_DEVICE_TABLE_SECTION = (dev)
	Add a device to the table pbl_device_init_all() walks.

Enumerations
enum	pbl_device_status { PBL_DEVICE_UNINIT , PBL_DEVICE_INITIALIZING , PBL_DEVICE_READY , PBL_DEVICE_FAILED }
	Device status. More...

Functions
int	pbl_device_init (const struct pbl_device *dev)
	Initialize a device, its parent and deps first.
bool	pbl_device_is_ready (const struct pbl_device *dev)
	Check whether a device is initialized.
int	pbl_device_init_all (void)
	Initialize every registered device.
int	pbl_device_init_children (const struct pbl_device *parent)
	Initialize every registered device whose parent is parent.