Lines Matching +full:data +full:- +full:out
1 // SPDX-License-Identifier: GPL-2.0+
7 // based on rtc-max8998.c
17 #include <linux/mfd/max8997-private.h>
74 static void max8997_rtc_data_to_tm(u8 *data, struct rtc_time *tm, in max8997_rtc_data_to_tm() argument
77 tm->tm_sec = data[RTC_SEC] & 0x7f; in max8997_rtc_data_to_tm()
78 tm->tm_min = data[RTC_MIN] & 0x7f; in max8997_rtc_data_to_tm()
80 tm->tm_hour = data[RTC_HOUR] & 0x1f; in max8997_rtc_data_to_tm()
82 tm->tm_hour = data[RTC_HOUR] & 0x0f; in max8997_rtc_data_to_tm()
83 if (data[RTC_HOUR] & HOUR_PM_MASK) in max8997_rtc_data_to_tm()
84 tm->tm_hour += 12; in max8997_rtc_data_to_tm()
87 tm->tm_wday = fls(data[RTC_WEEKDAY] & 0x7f) - 1; in max8997_rtc_data_to_tm()
88 tm->tm_mday = data[RTC_DATE] & 0x1f; in max8997_rtc_data_to_tm()
89 tm->tm_mon = (data[RTC_MONTH] & 0x0f) - 1; in max8997_rtc_data_to_tm()
90 tm->tm_year = (data[RTC_YEAR] & 0x7f) + 100; in max8997_rtc_data_to_tm()
91 tm->tm_yday = 0; in max8997_rtc_data_to_tm()
92 tm->tm_isdst = 0; in max8997_rtc_data_to_tm()
95 static int max8997_rtc_tm_to_data(struct rtc_time *tm, u8 *data) in max8997_rtc_tm_to_data() argument
97 data[RTC_SEC] = tm->tm_sec; in max8997_rtc_tm_to_data()
98 data[RTC_MIN] = tm->tm_min; in max8997_rtc_tm_to_data()
99 data[RTC_HOUR] = tm->tm_hour; in max8997_rtc_tm_to_data()
100 data[RTC_WEEKDAY] = 1 << tm->tm_wday; in max8997_rtc_tm_to_data()
101 data[RTC_DATE] = tm->tm_mday; in max8997_rtc_tm_to_data()
102 data[RTC_MONTH] = tm->tm_mon + 1; in max8997_rtc_tm_to_data()
103 data[RTC_YEAR] = tm->tm_year > 100 ? (tm->tm_year - 100) : 0; in max8997_rtc_tm_to_data()
105 if (tm->tm_year < 100) { in max8997_rtc_tm_to_data()
107 1900 + tm->tm_year); in max8997_rtc_tm_to_data()
108 return -EINVAL; in max8997_rtc_tm_to_data()
117 ret = max8997_write_reg(info->rtc, MAX8997_RTC_UPDATE1, in max8997_rtc_set_update_reg()
120 dev_err(info->dev, "%s: fail to write update reg(%d)\n", in max8997_rtc_set_update_reg()
124 * Otherwise, we may read and update based on out-of-date in max8997_rtc_set_update_reg()
135 u8 data[RTC_NR_TIME]; in max8997_rtc_read_time() local
138 mutex_lock(&info->lock); in max8997_rtc_read_time()
139 ret = max8997_bulk_read(info->rtc, MAX8997_RTC_SEC, RTC_NR_TIME, data); in max8997_rtc_read_time()
140 mutex_unlock(&info->lock); in max8997_rtc_read_time()
143 dev_err(info->dev, "%s: fail to read time reg(%d)\n", __func__, in max8997_rtc_read_time()
148 max8997_rtc_data_to_tm(data, tm, info->rtc_24hr_mode); in max8997_rtc_read_time()
156 u8 data[RTC_NR_TIME]; in max8997_rtc_set_time() local
159 ret = max8997_rtc_tm_to_data(tm, data); in max8997_rtc_set_time()
163 mutex_lock(&info->lock); in max8997_rtc_set_time()
165 ret = max8997_bulk_write(info->rtc, MAX8997_RTC_SEC, RTC_NR_TIME, data); in max8997_rtc_set_time()
167 dev_err(info->dev, "%s: fail to write time reg(%d)\n", __func__, in max8997_rtc_set_time()
169 goto out; in max8997_rtc_set_time()
173 out: in max8997_rtc_set_time()
174 mutex_unlock(&info->lock); in max8997_rtc_set_time()
181 u8 data[RTC_NR_TIME]; in max8997_rtc_read_alarm() local
185 mutex_lock(&info->lock); in max8997_rtc_read_alarm()
187 ret = max8997_bulk_read(info->rtc, MAX8997_RTC_ALARM1_SEC, RTC_NR_TIME, in max8997_rtc_read_alarm()
188 data); in max8997_rtc_read_alarm()
190 dev_err(info->dev, "%s:%d fail to read alarm reg(%d)\n", in max8997_rtc_read_alarm()
192 goto out; in max8997_rtc_read_alarm()
195 max8997_rtc_data_to_tm(data, &alrm->time, info->rtc_24hr_mode); in max8997_rtc_read_alarm()
197 alrm->enabled = 0; in max8997_rtc_read_alarm()
199 if (data[i] & ALARM_ENABLE_MASK) { in max8997_rtc_read_alarm()
200 alrm->enabled = 1; in max8997_rtc_read_alarm()
205 alrm->pending = 0; in max8997_rtc_read_alarm()
206 ret = max8997_read_reg(info->max8997->i2c, MAX8997_REG_STATUS1, &val); in max8997_rtc_read_alarm()
208 dev_err(info->dev, "%s:%d fail to read status1 reg(%d)\n", in max8997_rtc_read_alarm()
210 goto out; in max8997_rtc_read_alarm()
214 alrm->pending = 1; in max8997_rtc_read_alarm()
216 out: in max8997_rtc_read_alarm()
217 mutex_unlock(&info->lock); in max8997_rtc_read_alarm()
223 u8 data[RTC_NR_TIME]; in max8997_rtc_stop_alarm() local
226 if (!mutex_is_locked(&info->lock)) in max8997_rtc_stop_alarm()
227 dev_warn(info->dev, "%s: should have mutex locked\n", __func__); in max8997_rtc_stop_alarm()
229 ret = max8997_bulk_read(info->rtc, MAX8997_RTC_ALARM1_SEC, RTC_NR_TIME, in max8997_rtc_stop_alarm()
230 data); in max8997_rtc_stop_alarm()
232 dev_err(info->dev, "%s: fail to read alarm reg(%d)\n", in max8997_rtc_stop_alarm()
234 goto out; in max8997_rtc_stop_alarm()
238 data[i] &= ~ALARM_ENABLE_MASK; in max8997_rtc_stop_alarm()
240 ret = max8997_bulk_write(info->rtc, MAX8997_RTC_ALARM1_SEC, RTC_NR_TIME, in max8997_rtc_stop_alarm()
241 data); in max8997_rtc_stop_alarm()
243 dev_err(info->dev, "%s: fail to write alarm reg(%d)\n", in max8997_rtc_stop_alarm()
245 goto out; in max8997_rtc_stop_alarm()
249 out: in max8997_rtc_stop_alarm()
255 u8 data[RTC_NR_TIME]; in max8997_rtc_start_alarm() local
258 if (!mutex_is_locked(&info->lock)) in max8997_rtc_start_alarm()
259 dev_warn(info->dev, "%s: should have mutex locked\n", __func__); in max8997_rtc_start_alarm()
261 ret = max8997_bulk_read(info->rtc, MAX8997_RTC_ALARM1_SEC, RTC_NR_TIME, in max8997_rtc_start_alarm()
262 data); in max8997_rtc_start_alarm()
264 dev_err(info->dev, "%s: fail to read alarm reg(%d)\n", in max8997_rtc_start_alarm()
266 goto out; in max8997_rtc_start_alarm()
269 data[RTC_SEC] |= (1 << ALARM_ENABLE_SHIFT); in max8997_rtc_start_alarm()
270 data[RTC_MIN] |= (1 << ALARM_ENABLE_SHIFT); in max8997_rtc_start_alarm()
271 data[RTC_HOUR] |= (1 << ALARM_ENABLE_SHIFT); in max8997_rtc_start_alarm()
272 data[RTC_WEEKDAY] &= ~ALARM_ENABLE_MASK; in max8997_rtc_start_alarm()
273 if (data[RTC_MONTH] & 0xf) in max8997_rtc_start_alarm()
274 data[RTC_MONTH] |= (1 << ALARM_ENABLE_SHIFT); in max8997_rtc_start_alarm()
275 if (data[RTC_YEAR] & 0x7f) in max8997_rtc_start_alarm()
276 data[RTC_YEAR] |= (1 << ALARM_ENABLE_SHIFT); in max8997_rtc_start_alarm()
277 if (data[RTC_DATE] & 0x1f) in max8997_rtc_start_alarm()
278 data[RTC_DATE] |= (1 << ALARM_ENABLE_SHIFT); in max8997_rtc_start_alarm()
280 ret = max8997_bulk_write(info->rtc, MAX8997_RTC_ALARM1_SEC, RTC_NR_TIME, in max8997_rtc_start_alarm()
281 data); in max8997_rtc_start_alarm()
283 dev_err(info->dev, "%s: fail to write alarm reg(%d)\n", in max8997_rtc_start_alarm()
285 goto out; in max8997_rtc_start_alarm()
289 out: in max8997_rtc_start_alarm()
295 u8 data[RTC_NR_TIME]; in max8997_rtc_set_alarm() local
298 ret = max8997_rtc_tm_to_data(&alrm->time, data); in max8997_rtc_set_alarm()
302 dev_info(info->dev, "%s: %d-%02d-%02d %02d:%02d:%02d\n", __func__, in max8997_rtc_set_alarm()
303 data[RTC_YEAR] + 2000, data[RTC_MONTH], data[RTC_DATE], in max8997_rtc_set_alarm()
304 data[RTC_HOUR], data[RTC_MIN], data[RTC_SEC]); in max8997_rtc_set_alarm()
306 mutex_lock(&info->lock); in max8997_rtc_set_alarm()
310 goto out; in max8997_rtc_set_alarm()
312 ret = max8997_bulk_write(info->rtc, MAX8997_RTC_ALARM1_SEC, RTC_NR_TIME, in max8997_rtc_set_alarm()
313 data); in max8997_rtc_set_alarm()
315 dev_err(info->dev, "%s: fail to write alarm reg(%d)\n", in max8997_rtc_set_alarm()
317 goto out; in max8997_rtc_set_alarm()
322 goto out; in max8997_rtc_set_alarm()
324 if (alrm->enabled) in max8997_rtc_set_alarm()
326 out: in max8997_rtc_set_alarm()
327 mutex_unlock(&info->lock); in max8997_rtc_set_alarm()
337 mutex_lock(&info->lock); in max8997_rtc_alarm_irq_enable()
342 mutex_unlock(&info->lock); in max8997_rtc_alarm_irq_enable()
347 static irqreturn_t max8997_rtc_alarm_irq(int irq, void *data) in max8997_rtc_alarm_irq() argument
349 struct max8997_rtc_info *info = data; in max8997_rtc_alarm_irq()
351 dev_info(info->dev, "%s:irq(%d)\n", __func__, irq); in max8997_rtc_alarm_irq()
353 rtc_update_irq(info->rtc_dev, 1, RTC_IRQF | RTC_AF); in max8997_rtc_alarm_irq()
381 dev_info(info->dev, "%s: %s WTSR\n", __func__, in max8997_rtc_enable_wtsr()
384 ret = max8997_update_reg(info->rtc, MAX8997_RTC_WTSR_SMPL, val, mask); in max8997_rtc_enable_wtsr()
386 dev_err(info->dev, "%s: fail to update WTSR reg(%d)\n", in max8997_rtc_enable_wtsr()
409 dev_info(info->dev, "%s: %s SMPL\n", __func__, in max8997_rtc_enable_smpl()
412 ret = max8997_update_reg(info->rtc, MAX8997_RTC_WTSR_SMPL, val, mask); in max8997_rtc_enable_smpl()
414 dev_err(info->dev, "%s: fail to update SMPL reg(%d)\n", in max8997_rtc_enable_smpl()
422 max8997_read_reg(info->rtc, MAX8997_RTC_WTSR_SMPL, &val); in max8997_rtc_enable_smpl()
428 u8 data[2]; in max8997_rtc_init_reg() local
432 data[0] = (1 << BCD_EN_SHIFT) | (1 << MODEL24_SHIFT); in max8997_rtc_init_reg()
433 data[1] = (0 << BCD_EN_SHIFT) | (1 << MODEL24_SHIFT); in max8997_rtc_init_reg()
435 info->rtc_24hr_mode = 1; in max8997_rtc_init_reg()
437 ret = max8997_bulk_write(info->rtc, MAX8997_RTC_CTRLMASK, 2, data); in max8997_rtc_init_reg()
439 dev_err(info->dev, "%s: fail to write controlm reg(%d)\n", in max8997_rtc_init_reg()
450 struct max8997_dev *max8997 = dev_get_drvdata(pdev->dev.parent); in max8997_rtc_probe()
454 info = devm_kzalloc(&pdev->dev, sizeof(struct max8997_rtc_info), in max8997_rtc_probe()
457 return -ENOMEM; in max8997_rtc_probe()
459 mutex_init(&info->lock); in max8997_rtc_probe()
460 info->dev = &pdev->dev; in max8997_rtc_probe()
461 info->max8997 = max8997; in max8997_rtc_probe()
462 info->rtc = max8997->rtc; in max8997_rtc_probe()
469 dev_err(&pdev->dev, "Failed to initialize RTC reg:%d\n", ret); in max8997_rtc_probe()
476 device_init_wakeup(&pdev->dev, 1); in max8997_rtc_probe()
478 info->rtc_dev = devm_rtc_device_register(&pdev->dev, "max8997-rtc", in max8997_rtc_probe()
481 if (IS_ERR(info->rtc_dev)) { in max8997_rtc_probe()
482 ret = PTR_ERR(info->rtc_dev); in max8997_rtc_probe()
483 dev_err(&pdev->dev, "Failed to register RTC device: %d\n", ret); in max8997_rtc_probe()
487 virq = irq_create_mapping(max8997->irq_domain, MAX8997_PMICIRQ_RTCA1); in max8997_rtc_probe()
489 dev_err(&pdev->dev, "Failed to create mapping alarm IRQ\n"); in max8997_rtc_probe()
490 ret = -ENXIO; in max8997_rtc_probe()
493 info->virq = virq; in max8997_rtc_probe()
495 ret = devm_request_threaded_irq(&pdev->dev, virq, NULL, in max8997_rtc_probe()
497 "rtc-alarm0", info); in max8997_rtc_probe()
499 dev_err(&pdev->dev, "Failed to request alarm IRQ: %d: %d\n", in max8997_rtc_probe()
500 info->virq, ret); in max8997_rtc_probe()
515 { "max8997-rtc", 0 },
522 .name = "max8997-rtc",