2 * TI TWL92230C energy-management companion device for the OMAP24xx.
3 * Aka. Menelaus (N4200 MENELAUS1_V2.2)
5 * Copyright (C) 2008 Nokia Corporation
6 * Written by Andrzej Zaborowski <andrew@openedhand.com>
8 * This program is free software; you can redistribute it and/or
9 * modify it under the terms of the GNU General Public License as
10 * published by the Free Software Foundation; either version 2 or
11 * (at your option) version 3 of the License.
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
18 * You should have received a copy of the GNU General Public License along
19 * with this program; if not, see <http://www.gnu.org/licenses/>.
23 #include "qemu-timer.h"
63 uint16_t rtc_next_vmstate;
70 static inline void menelaus_update(MenelausState *s)
72 qemu_set_irq(s->out[3], s->status & ~s->mask);
75 static inline void menelaus_rtc_start(MenelausState *s)
77 s->rtc.next += qemu_get_clock_ms(rt_clock);
78 qemu_mod_timer(s->rtc.hz_tm, s->rtc.next);
81 static inline void menelaus_rtc_stop(MenelausState *s)
83 qemu_del_timer(s->rtc.hz_tm);
84 s->rtc.next -= qemu_get_clock_ms(rt_clock);
89 static void menelaus_rtc_update(MenelausState *s)
91 qemu_get_timedate(&s->rtc.tm, s->rtc.sec_offset);
94 static void menelaus_alm_update(MenelausState *s)
96 if ((s->rtc.ctrl & 3) == 3)
97 s->rtc.alm_sec = qemu_timedate_diff(&s->rtc.alm) - s->rtc.sec_offset;
100 static void menelaus_rtc_hz(void *opaque)
102 MenelausState *s = (MenelausState *) opaque;
107 qemu_mod_timer(s->rtc.hz_tm, s->rtc.next);
108 if ((s->rtc.ctrl >> 3) & 3) { /* EVERY */
109 menelaus_rtc_update(s);
110 if (((s->rtc.ctrl >> 3) & 3) == 1 && !s->rtc.tm.tm_sec)
111 s->status |= 1 << 8; /* RTCTMR */
112 else if (((s->rtc.ctrl >> 3) & 3) == 2 && !s->rtc.tm.tm_min)
113 s->status |= 1 << 8; /* RTCTMR */
114 else if (!s->rtc.tm.tm_hour)
115 s->status |= 1 << 8; /* RTCTMR */
117 s->status |= 1 << 8; /* RTCTMR */
118 if ((s->rtc.ctrl >> 1) & 1) { /* RTC_AL_EN */
119 if (s->rtc.alm_sec == 0)
120 s->status |= 1 << 9; /* RTCALM */
123 if (s->rtc.next_comp <= 0) {
124 s->rtc.next -= muldiv64((int16_t) s->rtc.comp, 1000, 0x8000);
125 s->rtc.next_comp = 3600;
130 static void menelaus_reset(i2c_slave *i2c)
132 MenelausState *s = (MenelausState *) i2c;
135 s->vcore[0] = 0x0c; /* XXX: X-loader needs 0x8c? check! */
140 s->dcdc[0] = 0x33; /* Depends on wiring */
146 s->ldo[3] = 0x00; /* Depends on wiring */
147 s->ldo[4] = 0x03; /* Depends on wiring */
164 s->mmc_ctrl[0] = 0x03;
165 s->mmc_ctrl[1] = 0xc0;
166 s->mmc_ctrl[2] = 0x00;
167 s->mmc_debounce = 0x05;
170 menelaus_rtc_stop(s);
172 s->rtc.comp = 0x0000;
174 s->rtc.sec_offset = 0;
175 s->rtc.next_comp = 1800;
176 s->rtc.alm_sec = 1800;
177 s->rtc.alm.tm_sec = 0x00;
178 s->rtc.alm.tm_min = 0x00;
179 s->rtc.alm.tm_hour = 0x00;
180 s->rtc.alm.tm_mday = 0x01;
181 s->rtc.alm.tm_mon = 0x00;
182 s->rtc.alm.tm_year = 2004;
186 static void menelaus_gpio_set(void *opaque, int line, int level)
188 MenelausState *s = (MenelausState *) opaque;
190 /* No interrupt generated */
191 s->inputs &= ~(1 << line);
192 s->inputs |= level << line;
195 static void menelaus_pwrbtn_set(void *opaque, int line, int level)
197 MenelausState *s = (MenelausState *) opaque;
199 if (!s->pwrbtn_state && level) {
200 s->status |= 1 << 11; /* PSHBTN */
203 s->pwrbtn_state = level;
206 #define MENELAUS_REV 0x01
207 #define MENELAUS_VCORE_CTRL1 0x02
208 #define MENELAUS_VCORE_CTRL2 0x03
209 #define MENELAUS_VCORE_CTRL3 0x04
210 #define MENELAUS_VCORE_CTRL4 0x05
211 #define MENELAUS_VCORE_CTRL5 0x06
212 #define MENELAUS_DCDC_CTRL1 0x07
213 #define MENELAUS_DCDC_CTRL2 0x08
214 #define MENELAUS_DCDC_CTRL3 0x09
215 #define MENELAUS_LDO_CTRL1 0x0a
216 #define MENELAUS_LDO_CTRL2 0x0b
217 #define MENELAUS_LDO_CTRL3 0x0c
218 #define MENELAUS_LDO_CTRL4 0x0d
219 #define MENELAUS_LDO_CTRL5 0x0e
220 #define MENELAUS_LDO_CTRL6 0x0f
221 #define MENELAUS_LDO_CTRL7 0x10
222 #define MENELAUS_LDO_CTRL8 0x11
223 #define MENELAUS_SLEEP_CTRL1 0x12
224 #define MENELAUS_SLEEP_CTRL2 0x13
225 #define MENELAUS_DEVICE_OFF 0x14
226 #define MENELAUS_OSC_CTRL 0x15
227 #define MENELAUS_DETECT_CTRL 0x16
228 #define MENELAUS_INT_MASK1 0x17
229 #define MENELAUS_INT_MASK2 0x18
230 #define MENELAUS_INT_STATUS1 0x19
231 #define MENELAUS_INT_STATUS2 0x1a
232 #define MENELAUS_INT_ACK1 0x1b
233 #define MENELAUS_INT_ACK2 0x1c
234 #define MENELAUS_GPIO_CTRL 0x1d
235 #define MENELAUS_GPIO_IN 0x1e
236 #define MENELAUS_GPIO_OUT 0x1f
237 #define MENELAUS_BBSMS 0x20
238 #define MENELAUS_RTC_CTRL 0x21
239 #define MENELAUS_RTC_UPDATE 0x22
240 #define MENELAUS_RTC_SEC 0x23
241 #define MENELAUS_RTC_MIN 0x24
242 #define MENELAUS_RTC_HR 0x25
243 #define MENELAUS_RTC_DAY 0x26
244 #define MENELAUS_RTC_MON 0x27
245 #define MENELAUS_RTC_YR 0x28
246 #define MENELAUS_RTC_WKDAY 0x29
247 #define MENELAUS_RTC_AL_SEC 0x2a
248 #define MENELAUS_RTC_AL_MIN 0x2b
249 #define MENELAUS_RTC_AL_HR 0x2c
250 #define MENELAUS_RTC_AL_DAY 0x2d
251 #define MENELAUS_RTC_AL_MON 0x2e
252 #define MENELAUS_RTC_AL_YR 0x2f
253 #define MENELAUS_RTC_COMP_MSB 0x30
254 #define MENELAUS_RTC_COMP_LSB 0x31
255 #define MENELAUS_S1_PULL_EN 0x32
256 #define MENELAUS_S1_PULL_DIR 0x33
257 #define MENELAUS_S2_PULL_EN 0x34
258 #define MENELAUS_S2_PULL_DIR 0x35
259 #define MENELAUS_MCT_CTRL1 0x36
260 #define MENELAUS_MCT_CTRL2 0x37
261 #define MENELAUS_MCT_CTRL3 0x38
262 #define MENELAUS_MCT_PIN_ST 0x39
263 #define MENELAUS_DEBOUNCE1 0x3a
265 static uint8_t menelaus_read(void *opaque, uint8_t addr)
267 MenelausState *s = (MenelausState *) opaque;
274 case MENELAUS_VCORE_CTRL5: reg ++;
275 case MENELAUS_VCORE_CTRL4: reg ++;
276 case MENELAUS_VCORE_CTRL3: reg ++;
277 case MENELAUS_VCORE_CTRL2: reg ++;
278 case MENELAUS_VCORE_CTRL1:
279 return s->vcore[reg];
281 case MENELAUS_DCDC_CTRL3: reg ++;
282 case MENELAUS_DCDC_CTRL2: reg ++;
283 case MENELAUS_DCDC_CTRL1:
286 case MENELAUS_LDO_CTRL8: reg ++;
287 case MENELAUS_LDO_CTRL7: reg ++;
288 case MENELAUS_LDO_CTRL6: reg ++;
289 case MENELAUS_LDO_CTRL5: reg ++;
290 case MENELAUS_LDO_CTRL4: reg ++;
291 case MENELAUS_LDO_CTRL3: reg ++;
292 case MENELAUS_LDO_CTRL2: reg ++;
293 case MENELAUS_LDO_CTRL1:
296 case MENELAUS_SLEEP_CTRL2: reg ++;
297 case MENELAUS_SLEEP_CTRL1:
298 return s->sleep[reg];
300 case MENELAUS_DEVICE_OFF:
303 case MENELAUS_OSC_CTRL:
304 return s->osc | (1 << 7); /* CLK32K_GOOD */
306 case MENELAUS_DETECT_CTRL:
309 case MENELAUS_INT_MASK1:
310 return (s->mask >> 0) & 0xff;
311 case MENELAUS_INT_MASK2:
312 return (s->mask >> 8) & 0xff;
314 case MENELAUS_INT_STATUS1:
315 return (s->status >> 0) & 0xff;
316 case MENELAUS_INT_STATUS2:
317 return (s->status >> 8) & 0xff;
319 case MENELAUS_INT_ACK1:
320 case MENELAUS_INT_ACK2:
323 case MENELAUS_GPIO_CTRL:
325 case MENELAUS_GPIO_IN:
326 return s->inputs | (~s->dir & s->outputs);
327 case MENELAUS_GPIO_OUT:
333 case MENELAUS_RTC_CTRL:
335 case MENELAUS_RTC_UPDATE:
337 case MENELAUS_RTC_SEC:
338 menelaus_rtc_update(s);
339 return to_bcd(s->rtc.tm.tm_sec);
340 case MENELAUS_RTC_MIN:
341 menelaus_rtc_update(s);
342 return to_bcd(s->rtc.tm.tm_min);
343 case MENELAUS_RTC_HR:
344 menelaus_rtc_update(s);
345 if ((s->rtc.ctrl >> 2) & 1) /* MODE12_n24 */
346 return to_bcd((s->rtc.tm.tm_hour % 12) + 1) |
347 (!!(s->rtc.tm.tm_hour >= 12) << 7); /* PM_nAM */
349 return to_bcd(s->rtc.tm.tm_hour);
350 case MENELAUS_RTC_DAY:
351 menelaus_rtc_update(s);
352 return to_bcd(s->rtc.tm.tm_mday);
353 case MENELAUS_RTC_MON:
354 menelaus_rtc_update(s);
355 return to_bcd(s->rtc.tm.tm_mon + 1);
356 case MENELAUS_RTC_YR:
357 menelaus_rtc_update(s);
358 return to_bcd(s->rtc.tm.tm_year - 2000);
359 case MENELAUS_RTC_WKDAY:
360 menelaus_rtc_update(s);
361 return to_bcd(s->rtc.tm.tm_wday);
362 case MENELAUS_RTC_AL_SEC:
363 return to_bcd(s->rtc.alm.tm_sec);
364 case MENELAUS_RTC_AL_MIN:
365 return to_bcd(s->rtc.alm.tm_min);
366 case MENELAUS_RTC_AL_HR:
367 if ((s->rtc.ctrl >> 2) & 1) /* MODE12_n24 */
368 return to_bcd((s->rtc.alm.tm_hour % 12) + 1) |
369 (!!(s->rtc.alm.tm_hour >= 12) << 7);/* AL_PM_nAM */
371 return to_bcd(s->rtc.alm.tm_hour);
372 case MENELAUS_RTC_AL_DAY:
373 return to_bcd(s->rtc.alm.tm_mday);
374 case MENELAUS_RTC_AL_MON:
375 return to_bcd(s->rtc.alm.tm_mon + 1);
376 case MENELAUS_RTC_AL_YR:
377 return to_bcd(s->rtc.alm.tm_year - 2000);
378 case MENELAUS_RTC_COMP_MSB:
379 return (s->rtc.comp >> 8) & 0xff;
380 case MENELAUS_RTC_COMP_LSB:
381 return (s->rtc.comp >> 0) & 0xff;
383 case MENELAUS_S1_PULL_EN:
385 case MENELAUS_S1_PULL_DIR:
387 case MENELAUS_S2_PULL_EN:
389 case MENELAUS_S2_PULL_DIR:
392 case MENELAUS_MCT_CTRL3: reg ++;
393 case MENELAUS_MCT_CTRL2: reg ++;
394 case MENELAUS_MCT_CTRL1:
395 return s->mmc_ctrl[reg];
396 case MENELAUS_MCT_PIN_ST:
397 /* TODO: return the real Card Detect */
399 case MENELAUS_DEBOUNCE1:
400 return s->mmc_debounce;
404 printf("%s: unknown register %02x\n", __FUNCTION__, addr);
411 static void menelaus_write(void *opaque, uint8_t addr, uint8_t value)
413 MenelausState *s = (MenelausState *) opaque;
419 case MENELAUS_VCORE_CTRL1:
420 s->vcore[0] = (value & 0xe) | MIN(value & 0x1f, 0x12);
422 case MENELAUS_VCORE_CTRL2:
425 case MENELAUS_VCORE_CTRL3:
426 s->vcore[2] = MIN(value & 0x1f, 0x12);
428 case MENELAUS_VCORE_CTRL4:
429 s->vcore[3] = MIN(value & 0x1f, 0x12);
431 case MENELAUS_VCORE_CTRL5:
432 s->vcore[4] = value & 3;
434 * auto set to 3 on M_Active, nRESWARM
435 * auto set to 0 on M_WaitOn, M_Backup
439 case MENELAUS_DCDC_CTRL1:
440 s->dcdc[0] = value & 0x3f;
442 case MENELAUS_DCDC_CTRL2:
443 s->dcdc[1] = value & 0x07;
445 * auto set to 3 on M_Active, nRESWARM
446 * auto set to 0 on M_WaitOn, M_Backup
449 case MENELAUS_DCDC_CTRL3:
450 s->dcdc[2] = value & 0x07;
453 case MENELAUS_LDO_CTRL1:
456 case MENELAUS_LDO_CTRL2:
457 s->ldo[1] = value & 0x7f;
459 * auto set to 0x7e on M_WaitOn, M_Backup
462 case MENELAUS_LDO_CTRL3:
463 s->ldo[2] = value & 3;
465 * auto set to 3 on M_Active, nRESWARM
466 * auto set to 0 on M_WaitOn, M_Backup
469 case MENELAUS_LDO_CTRL4:
470 s->ldo[3] = value & 3;
472 * auto set to 3 on M_Active, nRESWARM
473 * auto set to 0 on M_WaitOn, M_Backup
476 case MENELAUS_LDO_CTRL5:
477 s->ldo[4] = value & 3;
479 * auto set to 3 on M_Active, nRESWARM
480 * auto set to 0 on M_WaitOn, M_Backup
483 case MENELAUS_LDO_CTRL6:
484 s->ldo[5] = value & 3;
486 case MENELAUS_LDO_CTRL7:
487 s->ldo[6] = value & 3;
489 case MENELAUS_LDO_CTRL8:
490 s->ldo[7] = value & 3;
493 case MENELAUS_SLEEP_CTRL2: reg ++;
494 case MENELAUS_SLEEP_CTRL1:
495 s->sleep[reg] = value;
498 case MENELAUS_DEVICE_OFF:
500 menelaus_reset(&s->i2c);
503 case MENELAUS_OSC_CTRL:
507 case MENELAUS_DETECT_CTRL:
508 s->detect = value & 0x7f;
511 case MENELAUS_INT_MASK1:
513 s->mask |= value << 0;
516 case MENELAUS_INT_MASK2:
518 s->mask |= value << 8;
522 case MENELAUS_INT_ACK1:
523 s->status &= ~(((uint16_t) value) << 0);
526 case MENELAUS_INT_ACK2:
527 s->status &= ~(((uint16_t) value) << 8);
531 case MENELAUS_GPIO_CTRL:
532 for (line = 0; line < 3; line ++) {
533 if (((s->dir ^ value) >> line) & 1) {
534 qemu_set_irq(s->out[line],
535 ((s->outputs & ~s->dir) >> line) & 1);
538 s->dir = value & 0x67;
540 case MENELAUS_GPIO_OUT:
541 for (line = 0; line < 3; line ++) {
542 if ((((s->outputs ^ value) & ~s->dir) >> line) & 1) {
543 qemu_set_irq(s->out[line], (s->outputs >> line) & 1);
546 s->outputs = value & 0x07;
553 case MENELAUS_RTC_CTRL:
554 if ((s->rtc.ctrl ^ value) & 1) { /* RTC_EN */
556 menelaus_rtc_start(s);
558 menelaus_rtc_stop(s);
560 s->rtc.ctrl = value & 0x1f;
561 menelaus_alm_update(s);
563 case MENELAUS_RTC_UPDATE:
564 menelaus_rtc_update(s);
565 memcpy(&tm, &s->rtc.tm, sizeof(tm));
566 switch (value & 0xf) {
570 tm.tm_sec = s->rtc.new.tm_sec;
573 tm.tm_min = s->rtc.new.tm_min;
576 if (s->rtc.new.tm_hour > 23)
578 tm.tm_hour = s->rtc.new.tm_hour;
581 if (s->rtc.new.tm_mday < 1)
583 /* TODO check range */
584 tm.tm_mday = s->rtc.new.tm_mday;
587 if (s->rtc.new.tm_mon < 0 || s->rtc.new.tm_mon > 11)
589 tm.tm_mon = s->rtc.new.tm_mon;
592 tm.tm_year = s->rtc.new.tm_year;
595 /* TODO set .tm_mday instead */
596 tm.tm_wday = s->rtc.new.tm_wday;
599 if (s->rtc.new.tm_hour > 23)
601 if (s->rtc.new.tm_mday < 1)
603 if (s->rtc.new.tm_mon < 0 || s->rtc.new.tm_mon > 11)
605 tm.tm_sec = s->rtc.new.tm_sec;
606 tm.tm_min = s->rtc.new.tm_min;
607 tm.tm_hour = s->rtc.new.tm_hour;
608 tm.tm_mday = s->rtc.new.tm_mday;
609 tm.tm_mon = s->rtc.new.tm_mon;
610 tm.tm_year = s->rtc.new.tm_year;
614 fprintf(stderr, "%s: bad RTC_UPDATE value %02x\n",
615 __FUNCTION__, value);
616 s->status |= 1 << 10; /* RTCERR */
619 s->rtc.sec_offset = qemu_timedate_diff(&tm);
621 case MENELAUS_RTC_SEC:
622 s->rtc.tm.tm_sec = from_bcd(value & 0x7f);
624 case MENELAUS_RTC_MIN:
625 s->rtc.tm.tm_min = from_bcd(value & 0x7f);
627 case MENELAUS_RTC_HR:
628 s->rtc.tm.tm_hour = (s->rtc.ctrl & (1 << 2)) ? /* MODE12_n24 */
629 MIN(from_bcd(value & 0x3f), 12) + ((value >> 7) ? 11 : -1) :
630 from_bcd(value & 0x3f);
632 case MENELAUS_RTC_DAY:
633 s->rtc.tm.tm_mday = from_bcd(value);
635 case MENELAUS_RTC_MON:
636 s->rtc.tm.tm_mon = MAX(1, from_bcd(value)) - 1;
638 case MENELAUS_RTC_YR:
639 s->rtc.tm.tm_year = 2000 + from_bcd(value);
641 case MENELAUS_RTC_WKDAY:
642 s->rtc.tm.tm_mday = from_bcd(value);
644 case MENELAUS_RTC_AL_SEC:
645 s->rtc.alm.tm_sec = from_bcd(value & 0x7f);
646 menelaus_alm_update(s);
648 case MENELAUS_RTC_AL_MIN:
649 s->rtc.alm.tm_min = from_bcd(value & 0x7f);
650 menelaus_alm_update(s);
652 case MENELAUS_RTC_AL_HR:
653 s->rtc.alm.tm_hour = (s->rtc.ctrl & (1 << 2)) ? /* MODE12_n24 */
654 MIN(from_bcd(value & 0x3f), 12) + ((value >> 7) ? 11 : -1) :
655 from_bcd(value & 0x3f);
656 menelaus_alm_update(s);
658 case MENELAUS_RTC_AL_DAY:
659 s->rtc.alm.tm_mday = from_bcd(value);
660 menelaus_alm_update(s);
662 case MENELAUS_RTC_AL_MON:
663 s->rtc.alm.tm_mon = MAX(1, from_bcd(value)) - 1;
664 menelaus_alm_update(s);
666 case MENELAUS_RTC_AL_YR:
667 s->rtc.alm.tm_year = 2000 + from_bcd(value);
668 menelaus_alm_update(s);
670 case MENELAUS_RTC_COMP_MSB:
672 s->rtc.comp |= value << 8;
674 case MENELAUS_RTC_COMP_LSB:
675 s->rtc.comp &= 0xff << 8;
676 s->rtc.comp |= value;
679 case MENELAUS_S1_PULL_EN:
682 case MENELAUS_S1_PULL_DIR:
683 s->pull[1] = value & 0x1f;
685 case MENELAUS_S2_PULL_EN:
688 case MENELAUS_S2_PULL_DIR:
689 s->pull[3] = value & 0x1f;
692 case MENELAUS_MCT_CTRL1:
693 s->mmc_ctrl[0] = value & 0x7f;
695 case MENELAUS_MCT_CTRL2:
696 s->mmc_ctrl[1] = value;
697 /* TODO update Card Detect interrupts */
699 case MENELAUS_MCT_CTRL3:
700 s->mmc_ctrl[2] = value & 0xf;
702 case MENELAUS_DEBOUNCE1:
703 s->mmc_debounce = value & 0x3f;
708 printf("%s: unknown register %02x\n", __FUNCTION__, addr);
713 static void menelaus_event(i2c_slave *i2c, enum i2c_event event)
715 MenelausState *s = (MenelausState *) i2c;
717 if (event == I2C_START_SEND)
721 static int menelaus_tx(i2c_slave *i2c, uint8_t data)
723 MenelausState *s = (MenelausState *) i2c;
724 /* Interpret register address byte */
729 menelaus_write(s, s->reg ++, data);
734 static int menelaus_rx(i2c_slave *i2c)
736 MenelausState *s = (MenelausState *) i2c;
738 return menelaus_read(s, s->reg ++);
741 /* Save restore 32 bit int as uint16_t
742 This is a Big hack, but it is how the old state did it.
743 Or we broke compatibility in the state, or we can't use struct tm
746 static int get_int32_as_uint16(QEMUFile *f, void *pv, size_t size)
749 *v = qemu_get_be16(f);
753 static void put_int32_as_uint16(QEMUFile *f, void *pv, size_t size)
756 qemu_put_be16(f, *v);
759 static const VMStateInfo vmstate_hack_int32_as_uint16 = {
760 .name = "int32_as_uint16",
761 .get = get_int32_as_uint16,
762 .put = put_int32_as_uint16,
765 #define VMSTATE_UINT16_HACK(_f, _s) \
766 VMSTATE_SINGLE(_f, _s, 0, vmstate_hack_int32_as_uint16, int32_t)
769 static const VMStateDescription vmstate_menelaus_tm = {
770 .name = "menelaus_tm",
772 .minimum_version_id = 0,
773 .minimum_version_id_old = 0,
774 .fields = (VMStateField []) {
775 VMSTATE_UINT16_HACK(tm_sec, struct tm),
776 VMSTATE_UINT16_HACK(tm_min, struct tm),
777 VMSTATE_UINT16_HACK(tm_hour, struct tm),
778 VMSTATE_UINT16_HACK(tm_mday, struct tm),
779 VMSTATE_UINT16_HACK(tm_min, struct tm),
780 VMSTATE_UINT16_HACK(tm_year, struct tm),
781 VMSTATE_END_OF_LIST()
785 static void menelaus_pre_save(void *opaque)
787 MenelausState *s = opaque;
788 /* Should be <= 1000 */
789 s->rtc_next_vmstate = s->rtc.next - qemu_get_clock_ms(rt_clock);
792 static int menelaus_post_load(void *opaque, int version_id)
794 MenelausState *s = opaque;
796 if (s->rtc.ctrl & 1) /* RTC_EN */
797 menelaus_rtc_stop(s);
799 s->rtc.next = s->rtc_next_vmstate;
801 menelaus_alm_update(s);
803 if (s->rtc.ctrl & 1) /* RTC_EN */
804 menelaus_rtc_start(s);
808 static const VMStateDescription vmstate_menelaus = {
811 .minimum_version_id = 0,
812 .minimum_version_id_old = 0,
813 .pre_save = menelaus_pre_save,
814 .post_load = menelaus_post_load,
815 .fields = (VMStateField []) {
816 VMSTATE_INT32(firstbyte, MenelausState),
817 VMSTATE_UINT8(reg, MenelausState),
818 VMSTATE_UINT8_ARRAY(vcore, MenelausState, 5),
819 VMSTATE_UINT8_ARRAY(dcdc, MenelausState, 3),
820 VMSTATE_UINT8_ARRAY(ldo, MenelausState, 8),
821 VMSTATE_UINT8_ARRAY(sleep, MenelausState, 2),
822 VMSTATE_UINT8(osc, MenelausState),
823 VMSTATE_UINT8(detect, MenelausState),
824 VMSTATE_UINT16(mask, MenelausState),
825 VMSTATE_UINT16(status, MenelausState),
826 VMSTATE_UINT8(dir, MenelausState),
827 VMSTATE_UINT8(inputs, MenelausState),
828 VMSTATE_UINT8(outputs, MenelausState),
829 VMSTATE_UINT8(bbsms, MenelausState),
830 VMSTATE_UINT8_ARRAY(pull, MenelausState, 4),
831 VMSTATE_UINT8_ARRAY(mmc_ctrl, MenelausState, 3),
832 VMSTATE_UINT8(mmc_debounce, MenelausState),
833 VMSTATE_UINT8(rtc.ctrl, MenelausState),
834 VMSTATE_UINT16(rtc.comp, MenelausState),
835 VMSTATE_UINT16(rtc_next_vmstate, MenelausState),
836 VMSTATE_STRUCT(rtc.new, MenelausState, 0, vmstate_menelaus_tm,
838 VMSTATE_STRUCT(rtc.alm, MenelausState, 0, vmstate_menelaus_tm,
840 VMSTATE_UINT8(pwrbtn_state, MenelausState),
841 VMSTATE_I2C_SLAVE(i2c, MenelausState),
842 VMSTATE_END_OF_LIST()
846 static int twl92230_init(i2c_slave *i2c)
848 MenelausState *s = FROM_I2C_SLAVE(MenelausState, i2c);
850 s->rtc.hz_tm = qemu_new_timer_ms(rt_clock, menelaus_rtc_hz, s);
851 /* Three output pins plus one interrupt pin. */
852 qdev_init_gpio_out(&i2c->qdev, s->out, 4);
853 qdev_init_gpio_in(&i2c->qdev, menelaus_gpio_set, 3);
854 s->pwrbtn = qemu_allocate_irqs(menelaus_pwrbtn_set, s, 1)[0];
856 menelaus_reset(&s->i2c);
861 static I2CSlaveInfo twl92230_info = {
862 .qdev.name ="twl92230",
863 .qdev.size = sizeof(MenelausState),
864 .qdev.vmsd = &vmstate_menelaus,
865 .init = twl92230_init,
866 .event = menelaus_event,
871 static void twl92230_register_devices(void)
873 i2c_register_slave(&twl92230_info);
876 device_init(twl92230_register_devices)