src/drivers/driver.c


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#include "driver.h"

#include "kernel.h"
#include "string.h"

void driver_manager_init( driver_manager_t *manager )
{
	memset( manager, 0, sizeof( driver_manager_t ) );

	manager->nof_drivers = 0;
}

void driver_manager_add_driver( driver_manager_t *manager, driver_t *driver )
{
	if( manager->nof_drivers >= MAX_NOF_DRIVERS - 1 ) {
		kernel_panic( "Allocating more than %d drivers.. increase kernel constant", MAX_NOF_DRIVERS );
	}

	manager->driver[manager->nof_drivers] = driver;
	manager->nof_drivers++;
}

void driver_manager_activate_all( driver_manager_t *manager )
{
	for( int i = 0; i < manager->nof_drivers; i++ ) {
		driver_t *driver = (driver_t *)manager->driver[i];
		driver->vtable->activate( driver );
	}
}

void driver_manager_deactivate_all( driver_manager_t *manager )
{
	if( manager->nof_drivers == 0 ) {
		return;
	}

	for( int i = manager->nof_drivers - 1; i >= 0; i-- ) {
		driver_t *driver = (driver_t *)manager->driver[i];
		driver->vtable->deactivate( driver );
	}
}

void driver_manager_deinit( driver_manager_t *manager )
{
	if( manager->nof_drivers == 0 ) {
		return;
	}

	for( int i = manager->nof_drivers - 1; i >= 0; i-- ) {
		driver_t *driver = (driver_t *)manager->driver[i];
		driver->vtable->deinit( driver );
	}
}

void driver_manager_print_info_all( driver_manager_t *manager )
{
	for( int i = 0; i < manager->nof_drivers; i++ ) {
		driver_t *driver = (driver_t *)manager->driver[i];
		driver->vtable->print_info( driver );
	}
}