drivers/rtc/rtc-mc13xxx.c

9 #include <linux/mfd/mc13xxx.h>
17 #define DRIVER_NAME "mc13xxx-rtc"
28 	struct mc13xxx *mc13xxx;
36 	int (*func)(struct mc13xxx *mc13xxx, int irq);
42 	return func(priv->mc13xxx, irq);
51 	mc13xxx_lock(priv->mc13xxx);
55 	mc13xxx_unlock(priv->mc13xxx);
71 		ret = mc13xxx_reg_read(priv->mc13xxx, MC13XXX_RTCDAY, &days1);
75 		ret = mc13xxx_reg_read(priv->mc13xxx, MC13XXX_RTCTOD, &seconds);
79 		ret = mc13xxx_reg_read(priv->mc13xxx, MC13XXX_RTCDAY, &days2);
98 	mc13xxx_lock(priv->mc13xxx);
104 	ret = mc13xxx_reg_read(priv->mc13xxx, MC13XXX_RTCTODA, &alarmseconds);
109 		ret = mc13xxx_reg_write(priv->mc13xxx,
119 	ret = mc13xxx_reg_write(priv->mc13xxx, MC13XXX_RTCTOD, 0);
123 	ret = mc13xxx_reg_write(priv->mc13xxx, MC13XXX_RTCDAY, days);
127 	ret = mc13xxx_reg_write(priv->mc13xxx, MC13XXX_RTCTOD, seconds);
133 		ret = mc13xxx_reg_write(priv->mc13xxx,
140 		ret = mc13xxx_irq_ack(priv->mc13xxx, MC13XXX_IRQ_RTCRST);
144 		ret = mc13xxx_irq_unmask(priv->mc13xxx, MC13XXX_IRQ_RTCRST);
150 	mc13xxx_unlock(priv->mc13xxx);
163 	mc13xxx_lock(priv->mc13xxx);
165 	ret = mc13xxx_reg_read(priv->mc13xxx, MC13XXX_RTCTODA, &seconds);
173 	ret = mc13xxx_reg_read(priv->mc13xxx, MC13XXX_RTCDAY, &days);
177 	ret = mc13xxx_irq_status(priv->mc13xxx, MC13XXX_IRQ_TODA,
181 	mc13xxx_unlock(priv->mc13xxx);
204 	mc13xxx_lock(priv->mc13xxx);
207 	ret = mc13xxx_reg_write(priv->mc13xxx, MC13XXX_RTCTODA, 0x1ffff);
211 	ret = mc13xxx_irq_ack(priv->mc13xxx, MC13XXX_IRQ_TODA);
227 	ret = mc13xxx_reg_write(priv->mc13xxx, MC13XXX_RTCDAYA, days);
231 	ret = mc13xxx_reg_write(priv->mc13xxx, MC13XXX_RTCTODA, seconds);
234 	mc13xxx_unlock(priv->mc13xxx);
242 	struct mc13xxx *mc13xxx = priv->mc13xxx;
246 	mc13xxx_irq_ack(mc13xxx, irq);
262 	struct mc13xxx *mc13xxx = priv->mc13xxx;
266 	mc13xxx_irq_mask(mc13xxx, irq);
275 	struct mc13xxx *mc13xxx;
281 	mc13xxx = dev_get_drvdata(pdev->dev.parent);
282 	priv->mc13xxx = mc13xxx;
294 	mc13xxx_lock(mc13xxx);
296 	mc13xxx_irq_ack(mc13xxx, MC13XXX_IRQ_RTCRST);
298 	ret = mc13xxx_irq_request(mc13xxx, MC13XXX_IRQ_RTCRST,
303 	ret = mc13xxx_irq_request_nounmask(mc13xxx, MC13XXX_IRQ_TODA,
308 	mc13xxx_unlock(mc13xxx);
312 		mc13xxx_lock(mc13xxx);
319 	mc13xxx_irq_free(mc13xxx, MC13XXX_IRQ_TODA, priv);
320 	mc13xxx_irq_free(mc13xxx, MC13XXX_IRQ_RTCRST, priv);
322 	mc13xxx_unlock(mc13xxx);
331 	mc13xxx_lock(priv->mc13xxx);
333 	mc13xxx_irq_free(priv->mc13xxx, MC13XXX_IRQ_TODA, priv);
334 	mc13xxx_irq_free(priv->mc13xxx, MC13XXX_IRQ_RTCRST, priv);
336 	mc13xxx_unlock(priv->mc13xxx);