3  * MPIC timer driver
59 	unsigned int timer_num;		/* cascade control timer */
64 	struct mpic_timer		timer[TIMERS_PER_GROUP];  member
74 	/* cascade timer 0 and 1 */
76 	/* cascade timer 1 and 2 */
78 	/* cascade timer 2 and 3 */
106 /* detect whether there is a cascade timer available */
123 			priv->timer[num].cascade_handle = casc_priv;  in detect_idle_cascade_timer()
125 			/* set timer busy */  in detect_idle_cascade_timer()
128 			return &priv->timer[num];  in detect_idle_cascade_timer()
146 	casc_priv = priv->timer[num].cascade_handle;  in set_cascade_timer()
177 	/* detect idle timer */  in get_cascade_timer()
182 	/* set ticks to timer */  in get_cascade_timer()
193 	struct mpic_timer *timer;  in get_timer()  local
210 			timer = get_cascade_timer(priv, ticks);  in get_timer()
211 			if (!timer)  in get_timer()
214 			return timer;  in get_timer()
218 			/* one timer: Reverse allocation */  in get_timer()
222 				/* set timer busy */  in get_timer()
224 				/* set ticks & stop timer */  in get_timer()
228 				priv->timer[num].cascade_handle = NULL;  in get_timer()
230 				return &priv->timer[num];  in get_timer()
240  * mpic_start_timer - start hardware timer
241  * @handle: the timer to be started.
249 			struct timer_group_priv, timer[handle->num]);  in mpic_start_timer()
256  * mpic_stop_timer - stop hardware timer
257  * @handle: the timer to be stopped
259  * The timer periodically generates an interrupt. Unless user stops the timer.
264 			struct timer_group_priv, timer[handle->num]);  in mpic_stop_timer()
269 	casc_priv = priv->timer[handle->num].cascade_handle;  in mpic_stop_timer()
280  * mpic_get_remain_time - get timer time
281  * @handle: the timer to be selected.
282  * @time: time for timer
284  * Query timer remaining time.
289 			struct timer_group_priv, timer[handle->num]);  in mpic_get_remain_time()
295 	casc_priv = priv->timer[handle->num].cascade_handle;  in mpic_get_remain_time()
312  * mpic_free_timer - free hardware timer
313  * @handle: the timer to be removed.
315  * Free the timer.
322 			struct timer_group_priv, timer[handle->num]);  in mpic_free_timer()
329 	casc_priv = priv->timer[handle->num].cascade_handle;  in mpic_free_timer()
331 	free_irq(priv->timer[handle->num].irq, priv->timer[handle->num].dev);  in mpic_free_timer()
340 		priv->timer[handle->num].cascade_handle = NULL;  in mpic_free_timer()
349  * mpic_request_timer - get a hardware timer
352  * @time: time for timer
374 			IRQF_TRIGGER_LOW, "global-timer", dev);  in mpic_request_timer()
450 			/* Set timer idle */  in timer_group_get_irq()
452 			priv->timer[offset + j].irq = irq;  in timer_group_get_irq()
453 			priv->timer[offset + j].num = offset + j;  in timer_group_get_irq()
473 	if (of_device_is_compatible(np, "fsl,mpic-global-timer"))  in timer_group_init()
478 		pr_err("%pOF: cannot ioremap timer register address.\n", np);  in timer_group_init()
492 		pr_err("%pOF: cannot get timer frequency.\n", np);  in timer_group_init()
498 		pr_err("%pOF: cannot get timer irqs.\n", np);  in timer_group_init()
504 	/* Init FSL timer hardware */  in timer_group_init()
527 		/* Init FSL timer hardware */  in mpic_timer_resume()
534 	{ .compatible = "fsl,mpic-global-timer", },