static hashbin_t *dongles = NULL;
static hashbin_t *tasks = NULL;
-#ifdef CONFIG_IRDA_DEBUG
-static const char *task_state[] = {
- "IRDA_TASK_INIT",
- "IRDA_TASK_DONE",
- "IRDA_TASK_WAIT",
- "IRDA_TASK_WAIT1",
- "IRDA_TASK_WAIT2",
- "IRDA_TASK_WAIT3",
- "IRDA_TASK_CHILD_INIT",
- "IRDA_TASK_CHILD_WAIT",
- "IRDA_TASK_CHILD_DONE",
-};
-#endif /* CONFIG_IRDA_DEBUG */
-
static void irda_task_timer_expired(void *data);
int __init irda_device_init( void)
return req.ifr_receiving;
}
-void irda_task_next_state(struct irda_task *task, IRDA_TASK_STATE state)
-{
- IRDA_DEBUG(2, "%s(), state = %s\n", __FUNCTION__, task_state[state]);
-
- task->state = state;
-}
-EXPORT_SYMBOL(irda_task_next_state);
-
static void __irda_task_delete(struct irda_task *task)
{
del_timer(&task->timer);
kfree(task);
}
-void irda_task_delete(struct irda_task *task)
+static void irda_task_delete(struct irda_task *task)
{
/* Unregister task */
hashbin_remove(tasks, (long) task, NULL);
__irda_task_delete(task);
}
-EXPORT_SYMBOL(irda_task_delete);
/*
* Function irda_task_kick (task)
}
/*
- * Function irda_task_execute (instance, function, finished)
- *
- * This function registers and tries to execute tasks that may take some
- * time to complete. We do it this hairy way since we may have been
- * called from interrupt context, so it's not possible to use
- * schedule_timeout()
- * Two important notes :
- * o Make sure you irda_task_delete(task); in case you delete the
- * calling instance.
- * o No real need to lock when calling this function, but you may
- * want to lock within the task handler.
- * Jean II
- */
-struct irda_task *irda_task_execute(void *instance,
- IRDA_TASK_CALLBACK function,
- IRDA_TASK_CALLBACK finished,
- struct irda_task *parent, void *param)
-{
- struct irda_task *task;
-
- IRDA_DEBUG(2, "%s()\n", __FUNCTION__);
-
- task = kmalloc(sizeof(struct irda_task), GFP_ATOMIC);
- if (!task)
- return NULL;
-
- task->state = IRDA_TASK_INIT;
- task->instance = instance;
- task->function = function;
- task->finished = finished;
- task->parent = parent;
- task->param = param;
- task->magic = IRDA_TASK_MAGIC;
-
- init_timer(&task->timer);
-
- /* Register task */
- hashbin_insert(tasks, (irda_queue_t *) task, (long) task, NULL);
-
- /* No time to waste, so lets get going! */
- return irda_task_kick(task) ? NULL : task;
-}
-EXPORT_SYMBOL(irda_task_execute);
-
-/*
* Function irda_task_timer_expired (data)
*
* Task time has expired. We now try to execute task (again), and restart
}
EXPORT_SYMBOL(alloc_irdadev);
-/*
- * Function irda_device_init_dongle (self, type, qos)
- *
- * Initialize attached dongle.
- *
- * Important : request_module require us to call this function with
- * a process context and irq enabled. - Jean II
- */
-dongle_t *irda_device_dongle_init(struct net_device *dev, int type)
-{
- struct dongle_reg *reg;
- dongle_t *dongle = kzalloc(sizeof(dongle_t), GFP_KERNEL);
-
- might_sleep();
-
- spin_lock(&dongles->hb_spinlock);
- reg = hashbin_find(dongles, type, NULL);
-
-#ifdef CONFIG_KMOD
- /* Try to load the module needed */
- if (!reg && capable(CAP_SYS_MODULE)) {
- spin_unlock(&dongles->hb_spinlock);
-
- request_module("irda-dongle-%d", type);
-
- spin_lock(&dongles->hb_spinlock);
- reg = hashbin_find(dongles, type, NULL);
- }
-#endif
-
- if (!reg || !try_module_get(reg->owner) ) {
- IRDA_ERROR("IrDA: Unable to find requested dongle type %x\n",
- type);
- kfree(dongle);
- dongle = NULL;
- }
- if (dongle) {
- /* Bind the registration info to this particular instance */
- dongle->issue = reg;
- dongle->dev = dev;
- }
- spin_unlock(&dongles->hb_spinlock);
- return dongle;
-}
-EXPORT_SYMBOL(irda_device_dongle_init);
-
-/*
- * Function irda_device_dongle_cleanup (dongle)
- */
-int irda_device_dongle_cleanup(dongle_t *dongle)
-{
- IRDA_ASSERT(dongle != NULL, return -1;);
-
- dongle->issue->close(dongle);
- module_put(dongle->issue->owner);
- kfree(dongle);
-
- return 0;
-}
-EXPORT_SYMBOL(irda_device_dongle_cleanup);
-
-/*
- * Function irda_device_register_dongle (dongle)
- */
-int irda_device_register_dongle(struct dongle_reg *new)
-{
- spin_lock(&dongles->hb_spinlock);
- /* Check if this dongle has been registered before */
- if (hashbin_find(dongles, new->type, NULL)) {
- IRDA_MESSAGE("%s: Dongle type %x already registered\n",
- __FUNCTION__, new->type);
- } else {
- /* Insert IrDA dongle into hashbin */
- hashbin_insert(dongles, (irda_queue_t *) new, new->type, NULL);
- }
- spin_unlock(&dongles->hb_spinlock);
-
- return 0;
-}
-EXPORT_SYMBOL(irda_device_register_dongle);
-
-/*
- * Function irda_device_unregister_dongle (dongle)
- *
- * Unregister dongle, and remove dongle from list of registered dongles
- *
- */
-void irda_device_unregister_dongle(struct dongle_reg *dongle)
-{
- struct dongle *node;
-
- spin_lock(&dongles->hb_spinlock);
- node = hashbin_remove(dongles, dongle->type, NULL);
- if (!node)
- IRDA_ERROR("%s: dongle not found!\n", __FUNCTION__);
- spin_unlock(&dongles->hb_spinlock);
-}
-EXPORT_SYMBOL(irda_device_unregister_dongle);
-
#ifdef CONFIG_ISA_DMA_API
/*
* Function setup_dma (idev, buffer, count, mode)
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