C++ (Cpp) __omap_dm_timer_load_start Examples

Example #1

File: timer.c Project: elavarasu14/ti_bbb

static void omap2_gp_timer_set_mode(enum clock_event_mode mode,
				    struct clock_event_device *evt)
{
	u32 period;

	__omap_dm_timer_stop(&clkev, OMAP_TIMER_POSTED, clkev.rate);

	switch (mode) {
	case CLOCK_EVT_MODE_PERIODIC:
		period = clkev.rate / HZ;
		period -= 1;
		/* Looks like we need to first set the load value separately */
		__omap_dm_timer_write(&clkev, OMAP_TIMER_LOAD_REG,
				      0xffffffff - period, OMAP_TIMER_POSTED);
		__omap_dm_timer_load_start(&clkev,
					OMAP_TIMER_CTRL_AR | OMAP_TIMER_CTRL_ST,
					0xffffffff - period, OMAP_TIMER_POSTED);
		break;
	case CLOCK_EVT_MODE_ONESHOT:
		break;
	case CLOCK_EVT_MODE_SHUTDOWN:
#ifdef CONFIG_PM_DEBUG
		if (wakeup_timer_seconds || wakeup_timer_milliseconds) {
			u32 tick_rate, cycles;

			tick_rate = clkev.rate;
			cycles = tick_rate * wakeup_timer_seconds;
			cycles += DIV_ROUND_UP(tick_rate *
					       wakeup_timer_milliseconds,
					       1000);

			__omap_dm_timer_write(&clkev, OMAP_TIMER_LOAD_REG,
					      0xffffffff - cycles,
					      OMAP_TIMER_POSTED);
			__omap_dm_timer_load_start(&clkev,
						   OMAP_TIMER_CTRL_AR |
						   OMAP_TIMER_CTRL_ST,
						   0xffffffff - cycles,
						   OMAP_TIMER_POSTED);

			pr_info("Resume timer @%u.%03uSecs(%d ticks @ %d Hz)\n",
				wakeup_timer_seconds, wakeup_timer_milliseconds,
				cycles, tick_rate);
		}
#endif
		break;
	case CLOCK_EVT_MODE_UNUSED:
	case CLOCK_EVT_MODE_RESUME:
		break;
	}
}

Example #2

File: timer.c Project: 21cnbao/linux

static void __init omap2_gptimer_clocksource_init(int gptimer_id,
						  const char *fck_source,
						  const char *property)
{
	int res;

	clksrc.id = gptimer_id;
	clksrc.errata = omap_dm_timer_get_errata();

	res = omap_dm_timer_init_one(&clksrc, fck_source, property,
				     &clocksource_gpt.name,
				     OMAP_TIMER_NONPOSTED);
	BUG_ON(res);

	__omap_dm_timer_load_start(&clksrc,
				   OMAP_TIMER_CTRL_ST | OMAP_TIMER_CTRL_AR, 0,
				   OMAP_TIMER_NONPOSTED);
	sched_clock_register(dmtimer_read_sched_clock, 32, clksrc.rate);

	if (clocksource_register_hz(&clocksource_gpt, clksrc.rate))
		pr_err("Could not register clocksource %s\n",
			clocksource_gpt.name);
	else
		pr_info("OMAP clocksource: %s at %lu Hz\n",
			clocksource_gpt.name, clksrc.rate);
}

Example #3

File: timer.c Project: 21cnbao/linux

static void omap2_gp_timer_set_mode(enum clock_event_mode mode,
				    struct clock_event_device *evt)
{
	u32 period;

	__omap_dm_timer_stop(&clkev, OMAP_TIMER_POSTED, clkev.rate);

	switch (mode) {
	case CLOCK_EVT_MODE_PERIODIC:
		period = clkev.rate / HZ;
		period -= 1;
		/* Looks like we need to first set the load value separately */
		__omap_dm_timer_write(&clkev, OMAP_TIMER_LOAD_REG,
				      0xffffffff - period, OMAP_TIMER_POSTED);
		__omap_dm_timer_load_start(&clkev,
					OMAP_TIMER_CTRL_AR | OMAP_TIMER_CTRL_ST,
					0xffffffff - period, OMAP_TIMER_POSTED);
		break;
	case CLOCK_EVT_MODE_ONESHOT:
		break;
	case CLOCK_EVT_MODE_UNUSED:
	case CLOCK_EVT_MODE_SHUTDOWN:
	case CLOCK_EVT_MODE_RESUME:
		break;
	}
}

Example #4

File: timer.c Project: 21cnbao/linux

static int omap2_gp_timer_set_next_event(unsigned long cycles,
					 struct clock_event_device *evt)
{
	__omap_dm_timer_load_start(&clkev, OMAP_TIMER_CTRL_ST,
				   0xffffffff - cycles, OMAP_TIMER_POSTED);

	return 0;
}

Example #5

File: timer.c Project: elavarasu14/ti_bbb

static void omap2_gptimer_clksrc_resume(struct clocksource *unused)
{
	struct omap_hwmod *oh;

	oh = omap_hwmod_lookup(clocksource_gpt.name);
	if (!oh)
		return;

	omap_hwmod_enable(oh);

	__omap_dm_timer_load_start(&clksrc,
				   OMAP_TIMER_CTRL_ST | OMAP_TIMER_CTRL_AR,
				   omap2_gptimer_clksrc_load,
				   OMAP_TIMER_NONPOSTED);
}

Example #6

File: timer.c Project: BlueT/protego

static void __init omap2_gptimer_clocksource_init(int gptimer_id,
						const char *fck_source)
{
	int res;

	res = omap_dm_timer_init_one(&clksrc, gptimer_id, fck_source);
	BUG_ON(res);

	__omap_dm_timer_load_start(&clksrc,
			OMAP_TIMER_CTRL_ST | OMAP_TIMER_CTRL_AR, 0, 1);
	setup_sched_clock(dmtimer_read_sched_clock, 32, clksrc.rate);

	if (clocksource_register_hz(&clocksource_gpt, clksrc.rate))
		pr_err("Could not register clocksource %s\n",
			clocksource_gpt.name);
	else
		pr_info("OMAP clocksource: GPTIMER%d at %lu Hz\n",
			gptimer_id, clksrc.rate);
}