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/>.
22 #include "qemu/osdep.h"
23 #include "qemu/timer.h"
24 #include "hw/i2c/i2c.h"
26 #include "migration/qemu-file-types.h"
27 #include "migration/vmstate.h"
28 #include "sysemu/sysemu.h"
29 #include "sysemu/rtc.h"
31 #include "qemu/module.h"
32 #include "qom/object.h"
36 #define TYPE_TWL92230 "twl92230"
37 OBJECT_DECLARE_SIMPLE_TYPE(MenelausState, TWL92230)
39 struct MenelausState {
72 uint16_t rtc_next_vmstate;
77 static inline void menelaus_update(MenelausState *s)
79 qemu_set_irq(s->out[3], s->status & ~s->mask);
82 static inline void menelaus_rtc_start(MenelausState *s)
84 s->rtc.next += qemu_clock_get_ms(rtc_clock);
85 timer_mod(s->rtc.hz_tm, s->rtc.next);
88 static inline void menelaus_rtc_stop(MenelausState *s)
90 timer_del(s->rtc.hz_tm);
91 s->rtc.next -= qemu_clock_get_ms(rtc_clock);
96 static void menelaus_rtc_update(MenelausState *s)
98 qemu_get_timedate(&s->rtc.tm, s->rtc.sec_offset);
101 static void menelaus_alm_update(MenelausState *s)
103 if ((s->rtc.ctrl & 3) == 3)
104 s->rtc.alm_sec = qemu_timedate_diff(&s->rtc.alm) - s->rtc.sec_offset;
107 static void menelaus_rtc_hz(void *opaque)
109 MenelausState *s = (MenelausState *) opaque;
114 timer_mod(s->rtc.hz_tm, s->rtc.next);
115 if ((s->rtc.ctrl >> 3) & 3) { /* EVERY */
116 menelaus_rtc_update(s);
117 if (((s->rtc.ctrl >> 3) & 3) == 1 && !s->rtc.tm.tm_sec)
118 s->status |= 1 << 8; /* RTCTMR */
119 else if (((s->rtc.ctrl >> 3) & 3) == 2 && !s->rtc.tm.tm_min)
120 s->status |= 1 << 8; /* RTCTMR */
121 else if (!s->rtc.tm.tm_hour)
122 s->status |= 1 << 8; /* RTCTMR */
124 s->status |= 1 << 8; /* RTCTMR */
125 if ((s->rtc.ctrl >> 1) & 1) { /* RTC_AL_EN */
126 if (s->rtc.alm_sec == 0)
127 s->status |= 1 << 9; /* RTCALM */
130 if (s->rtc.next_comp <= 0) {
131 s->rtc.next -= muldiv64((int16_t) s->rtc.comp, 1000, 0x8000);
132 s->rtc.next_comp = 3600;
137 static void menelaus_reset(I2CSlave *i2c)
139 MenelausState *s = TWL92230(i2c);
143 s->vcore[0] = 0x0c; /* XXX: X-loader needs 0x8c? check! */
148 s->dcdc[0] = 0x33; /* Depends on wiring */
154 s->ldo[3] = 0x00; /* Depends on wiring */
155 s->ldo[4] = 0x03; /* Depends on wiring */
172 s->mmc_ctrl[0] = 0x03;
173 s->mmc_ctrl[1] = 0xc0;
174 s->mmc_ctrl[2] = 0x00;
175 s->mmc_debounce = 0x05;
178 menelaus_rtc_stop(s);
180 s->rtc.comp = 0x0000;
182 s->rtc.sec_offset = 0;
183 s->rtc.next_comp = 1800;
184 s->rtc.alm_sec = 1800;
185 s->rtc.alm.tm_sec = 0x00;
186 s->rtc.alm.tm_min = 0x00;
187 s->rtc.alm.tm_hour = 0x00;
188 s->rtc.alm.tm_mday = 0x01;
189 s->rtc.alm.tm_mon = 0x00;
190 s->rtc.alm.tm_year = 2004;
194 static void menelaus_gpio_set(void *opaque, int line, int level)
196 MenelausState *s = (MenelausState *) opaque;
199 /* No interrupt generated */
200 s->inputs &= ~(1 << line);
201 s->inputs |= level << line;
205 if (!s->pwrbtn_state && level) {
206 s->status |= 1 << 11; /* PSHBTN */
209 s->pwrbtn_state = level;
212 #define MENELAUS_REV 0x01
213 #define MENELAUS_VCORE_CTRL1 0x02
214 #define MENELAUS_VCORE_CTRL2 0x03
215 #define MENELAUS_VCORE_CTRL3 0x04
216 #define MENELAUS_VCORE_CTRL4 0x05
217 #define MENELAUS_VCORE_CTRL5 0x06
218 #define MENELAUS_DCDC_CTRL1 0x07
219 #define MENELAUS_DCDC_CTRL2 0x08
220 #define MENELAUS_DCDC_CTRL3 0x09
221 #define MENELAUS_LDO_CTRL1 0x0a
222 #define MENELAUS_LDO_CTRL2 0x0b
223 #define MENELAUS_LDO_CTRL3 0x0c
224 #define MENELAUS_LDO_CTRL4 0x0d
225 #define MENELAUS_LDO_CTRL5 0x0e
226 #define MENELAUS_LDO_CTRL6 0x0f
227 #define MENELAUS_LDO_CTRL7 0x10
228 #define MENELAUS_LDO_CTRL8 0x11
229 #define MENELAUS_SLEEP_CTRL1 0x12
230 #define MENELAUS_SLEEP_CTRL2 0x13
231 #define MENELAUS_DEVICE_OFF 0x14
232 #define MENELAUS_OSC_CTRL 0x15
233 #define MENELAUS_DETECT_CTRL 0x16
234 #define MENELAUS_INT_MASK1 0x17
235 #define MENELAUS_INT_MASK2 0x18
236 #define MENELAUS_INT_STATUS1 0x19
237 #define MENELAUS_INT_STATUS2 0x1a
238 #define MENELAUS_INT_ACK1 0x1b
239 #define MENELAUS_INT_ACK2 0x1c
240 #define MENELAUS_GPIO_CTRL 0x1d
241 #define MENELAUS_GPIO_IN 0x1e
242 #define MENELAUS_GPIO_OUT 0x1f
243 #define MENELAUS_BBSMS 0x20
244 #define MENELAUS_RTC_CTRL 0x21
245 #define MENELAUS_RTC_UPDATE 0x22
246 #define MENELAUS_RTC_SEC 0x23
247 #define MENELAUS_RTC_MIN 0x24
248 #define MENELAUS_RTC_HR 0x25
249 #define MENELAUS_RTC_DAY 0x26
250 #define MENELAUS_RTC_MON 0x27
251 #define MENELAUS_RTC_YR 0x28
252 #define MENELAUS_RTC_WKDAY 0x29
253 #define MENELAUS_RTC_AL_SEC 0x2a
254 #define MENELAUS_RTC_AL_MIN 0x2b
255 #define MENELAUS_RTC_AL_HR 0x2c
256 #define MENELAUS_RTC_AL_DAY 0x2d
257 #define MENELAUS_RTC_AL_MON 0x2e
258 #define MENELAUS_RTC_AL_YR 0x2f
259 #define MENELAUS_RTC_COMP_MSB 0x30
260 #define MENELAUS_RTC_COMP_LSB 0x31
261 #define MENELAUS_S1_PULL_EN 0x32
262 #define MENELAUS_S1_PULL_DIR 0x33
263 #define MENELAUS_S2_PULL_EN 0x34
264 #define MENELAUS_S2_PULL_DIR 0x35
265 #define MENELAUS_MCT_CTRL1 0x36
266 #define MENELAUS_MCT_CTRL2 0x37
267 #define MENELAUS_MCT_CTRL3 0x38
268 #define MENELAUS_MCT_PIN_ST 0x39
269 #define MENELAUS_DEBOUNCE1 0x3a
271 static uint8_t menelaus_read(void *opaque, uint8_t addr)
273 MenelausState *s = (MenelausState *) opaque;
279 case MENELAUS_VCORE_CTRL1 ... MENELAUS_VCORE_CTRL5:
280 return s->vcore[addr - MENELAUS_VCORE_CTRL1];
282 case MENELAUS_DCDC_CTRL1 ... MENELAUS_DCDC_CTRL3:
283 return s->dcdc[addr - MENELAUS_DCDC_CTRL1];
285 case MENELAUS_LDO_CTRL1 ... MENELAUS_LDO_CTRL8:
286 return s->ldo[addr - MENELAUS_LDO_CTRL1];
288 case MENELAUS_SLEEP_CTRL1:
289 case MENELAUS_SLEEP_CTRL2:
290 return s->sleep[addr - MENELAUS_SLEEP_CTRL1];
292 case MENELAUS_DEVICE_OFF:
295 case MENELAUS_OSC_CTRL:
296 return s->osc | (1 << 7); /* CLK32K_GOOD */
298 case MENELAUS_DETECT_CTRL:
301 case MENELAUS_INT_MASK1:
302 return (s->mask >> 0) & 0xff;
303 case MENELAUS_INT_MASK2:
304 return (s->mask >> 8) & 0xff;
306 case MENELAUS_INT_STATUS1:
307 return (s->status >> 0) & 0xff;
308 case MENELAUS_INT_STATUS2:
309 return (s->status >> 8) & 0xff;
311 case MENELAUS_INT_ACK1:
312 case MENELAUS_INT_ACK2:
315 case MENELAUS_GPIO_CTRL:
317 case MENELAUS_GPIO_IN:
318 return s->inputs | (~s->dir & s->outputs);
319 case MENELAUS_GPIO_OUT:
325 case MENELAUS_RTC_CTRL:
327 case MENELAUS_RTC_UPDATE:
329 case MENELAUS_RTC_SEC:
330 menelaus_rtc_update(s);
331 return to_bcd(s->rtc.tm.tm_sec);
332 case MENELAUS_RTC_MIN:
333 menelaus_rtc_update(s);
334 return to_bcd(s->rtc.tm.tm_min);
335 case MENELAUS_RTC_HR:
336 menelaus_rtc_update(s);
337 if ((s->rtc.ctrl >> 2) & 1) /* MODE12_n24 */
338 return to_bcd((s->rtc.tm.tm_hour % 12) + 1) |
339 (!!(s->rtc.tm.tm_hour >= 12) << 7); /* PM_nAM */
341 return to_bcd(s->rtc.tm.tm_hour);
342 case MENELAUS_RTC_DAY:
343 menelaus_rtc_update(s);
344 return to_bcd(s->rtc.tm.tm_mday);
345 case MENELAUS_RTC_MON:
346 menelaus_rtc_update(s);
347 return to_bcd(s->rtc.tm.tm_mon + 1);
348 case MENELAUS_RTC_YR:
349 menelaus_rtc_update(s);
350 return to_bcd(s->rtc.tm.tm_year - 2000);
351 case MENELAUS_RTC_WKDAY:
352 menelaus_rtc_update(s);
353 return to_bcd(s->rtc.tm.tm_wday);
354 case MENELAUS_RTC_AL_SEC:
355 return to_bcd(s->rtc.alm.tm_sec);
356 case MENELAUS_RTC_AL_MIN:
357 return to_bcd(s->rtc.alm.tm_min);
358 case MENELAUS_RTC_AL_HR:
359 if ((s->rtc.ctrl >> 2) & 1) /* MODE12_n24 */
360 return to_bcd((s->rtc.alm.tm_hour % 12) + 1) |
361 (!!(s->rtc.alm.tm_hour >= 12) << 7);/* AL_PM_nAM */
363 return to_bcd(s->rtc.alm.tm_hour);
364 case MENELAUS_RTC_AL_DAY:
365 return to_bcd(s->rtc.alm.tm_mday);
366 case MENELAUS_RTC_AL_MON:
367 return to_bcd(s->rtc.alm.tm_mon + 1);
368 case MENELAUS_RTC_AL_YR:
369 return to_bcd(s->rtc.alm.tm_year - 2000);
370 case MENELAUS_RTC_COMP_MSB:
371 return (s->rtc.comp >> 8) & 0xff;
372 case MENELAUS_RTC_COMP_LSB:
373 return (s->rtc.comp >> 0) & 0xff;
375 case MENELAUS_S1_PULL_EN:
377 case MENELAUS_S1_PULL_DIR:
379 case MENELAUS_S2_PULL_EN:
381 case MENELAUS_S2_PULL_DIR:
384 case MENELAUS_MCT_CTRL1 ... MENELAUS_MCT_CTRL3:
385 return s->mmc_ctrl[addr - MENELAUS_MCT_CTRL1];
386 case MENELAUS_MCT_PIN_ST:
387 /* TODO: return the real Card Detect */
389 case MENELAUS_DEBOUNCE1:
390 return s->mmc_debounce;
394 printf("%s: unknown register %02x\n", __func__, addr);
401 static void menelaus_write(void *opaque, uint8_t addr, uint8_t value)
403 MenelausState *s = (MenelausState *) opaque;
408 case MENELAUS_VCORE_CTRL1:
409 s->vcore[0] = (value & 0xe) | MIN(value & 0x1f, 0x12);
411 case MENELAUS_VCORE_CTRL2:
414 case MENELAUS_VCORE_CTRL3:
415 s->vcore[2] = MIN(value & 0x1f, 0x12);
417 case MENELAUS_VCORE_CTRL4:
418 s->vcore[3] = MIN(value & 0x1f, 0x12);
420 case MENELAUS_VCORE_CTRL5:
421 s->vcore[4] = value & 3;
423 * auto set to 3 on M_Active, nRESWARM
424 * auto set to 0 on M_WaitOn, M_Backup
428 case MENELAUS_DCDC_CTRL1:
429 s->dcdc[0] = value & 0x3f;
431 case MENELAUS_DCDC_CTRL2:
432 s->dcdc[1] = value & 0x07;
434 * auto set to 3 on M_Active, nRESWARM
435 * auto set to 0 on M_WaitOn, M_Backup
438 case MENELAUS_DCDC_CTRL3:
439 s->dcdc[2] = value & 0x07;
442 case MENELAUS_LDO_CTRL1:
445 case MENELAUS_LDO_CTRL2:
446 s->ldo[1] = value & 0x7f;
448 * auto set to 0x7e on M_WaitOn, M_Backup
451 case MENELAUS_LDO_CTRL3:
452 s->ldo[2] = value & 3;
454 * auto set to 3 on M_Active, nRESWARM
455 * auto set to 0 on M_WaitOn, M_Backup
458 case MENELAUS_LDO_CTRL4:
459 s->ldo[3] = value & 3;
461 * auto set to 3 on M_Active, nRESWARM
462 * auto set to 0 on M_WaitOn, M_Backup
465 case MENELAUS_LDO_CTRL5:
466 s->ldo[4] = value & 3;
468 * auto set to 3 on M_Active, nRESWARM
469 * auto set to 0 on M_WaitOn, M_Backup
472 case MENELAUS_LDO_CTRL6:
473 s->ldo[5] = value & 3;
475 case MENELAUS_LDO_CTRL7:
476 s->ldo[6] = value & 3;
478 case MENELAUS_LDO_CTRL8:
479 s->ldo[7] = value & 3;
482 case MENELAUS_SLEEP_CTRL1:
483 case MENELAUS_SLEEP_CTRL2:
484 s->sleep[addr - MENELAUS_SLEEP_CTRL1] = value;
487 case MENELAUS_DEVICE_OFF:
489 menelaus_reset(I2C_SLAVE(s));
493 case MENELAUS_OSC_CTRL:
497 case MENELAUS_DETECT_CTRL:
498 s->detect = value & 0x7f;
501 case MENELAUS_INT_MASK1:
503 s->mask |= value << 0;
506 case MENELAUS_INT_MASK2:
508 s->mask |= value << 8;
512 case MENELAUS_INT_ACK1:
513 s->status &= ~(((uint16_t) value) << 0);
516 case MENELAUS_INT_ACK2:
517 s->status &= ~(((uint16_t) value) << 8);
521 case MENELAUS_GPIO_CTRL:
522 for (line = 0; line < 3; line ++) {
523 if (((s->dir ^ value) >> line) & 1) {
524 qemu_set_irq(s->out[line],
525 ((s->outputs & ~s->dir) >> line) & 1);
528 s->dir = value & 0x67;
530 case MENELAUS_GPIO_OUT:
531 for (line = 0; line < 3; line ++) {
532 if ((((s->outputs ^ value) & ~s->dir) >> line) & 1) {
533 qemu_set_irq(s->out[line], (s->outputs >> line) & 1);
536 s->outputs = value & 0x07;
543 case MENELAUS_RTC_CTRL:
544 if ((s->rtc.ctrl ^ value) & 1) { /* RTC_EN */
546 menelaus_rtc_start(s);
548 menelaus_rtc_stop(s);
550 s->rtc.ctrl = value & 0x1f;
551 menelaus_alm_update(s);
553 case MENELAUS_RTC_UPDATE:
554 menelaus_rtc_update(s);
555 memcpy(&tm, &s->rtc.tm, sizeof(tm));
556 switch (value & 0xf) {
560 tm.tm_sec = s->rtc.new.tm_sec;
563 tm.tm_min = s->rtc.new.tm_min;
566 if (s->rtc.new.tm_hour > 23)
568 tm.tm_hour = s->rtc.new.tm_hour;
571 if (s->rtc.new.tm_mday < 1)
573 /* TODO check range */
574 tm.tm_mday = s->rtc.new.tm_mday;
577 if (s->rtc.new.tm_mon < 0 || s->rtc.new.tm_mon > 11)
579 tm.tm_mon = s->rtc.new.tm_mon;
582 tm.tm_year = s->rtc.new.tm_year;
585 /* TODO set .tm_mday instead */
586 tm.tm_wday = s->rtc.new.tm_wday;
589 if (s->rtc.new.tm_hour > 23)
591 if (s->rtc.new.tm_mday < 1)
593 if (s->rtc.new.tm_mon < 0 || s->rtc.new.tm_mon > 11)
595 tm.tm_sec = s->rtc.new.tm_sec;
596 tm.tm_min = s->rtc.new.tm_min;
597 tm.tm_hour = s->rtc.new.tm_hour;
598 tm.tm_mday = s->rtc.new.tm_mday;
599 tm.tm_mon = s->rtc.new.tm_mon;
600 tm.tm_year = s->rtc.new.tm_year;
604 fprintf(stderr, "%s: bad RTC_UPDATE value %02x\n",
606 s->status |= 1 << 10; /* RTCERR */
609 s->rtc.sec_offset = qemu_timedate_diff(&tm);
611 case MENELAUS_RTC_SEC:
612 s->rtc.tm.tm_sec = from_bcd(value & 0x7f);
614 case MENELAUS_RTC_MIN:
615 s->rtc.tm.tm_min = from_bcd(value & 0x7f);
617 case MENELAUS_RTC_HR:
618 s->rtc.tm.tm_hour = (s->rtc.ctrl & (1 << 2)) ? /* MODE12_n24 */
619 MIN(from_bcd(value & 0x3f), 12) + ((value >> 7) ? 11 : -1) :
620 from_bcd(value & 0x3f);
622 case MENELAUS_RTC_DAY:
623 s->rtc.tm.tm_mday = from_bcd(value);
625 case MENELAUS_RTC_MON:
626 s->rtc.tm.tm_mon = MAX(1, from_bcd(value)) - 1;
628 case MENELAUS_RTC_YR:
629 s->rtc.tm.tm_year = 2000 + from_bcd(value);
631 case MENELAUS_RTC_WKDAY:
632 s->rtc.tm.tm_mday = from_bcd(value);
634 case MENELAUS_RTC_AL_SEC:
635 s->rtc.alm.tm_sec = from_bcd(value & 0x7f);
636 menelaus_alm_update(s);
638 case MENELAUS_RTC_AL_MIN:
639 s->rtc.alm.tm_min = from_bcd(value & 0x7f);
640 menelaus_alm_update(s);
642 case MENELAUS_RTC_AL_HR:
643 s->rtc.alm.tm_hour = (s->rtc.ctrl & (1 << 2)) ? /* MODE12_n24 */
644 MIN(from_bcd(value & 0x3f), 12) + ((value >> 7) ? 11 : -1) :
645 from_bcd(value & 0x3f);
646 menelaus_alm_update(s);
648 case MENELAUS_RTC_AL_DAY:
649 s->rtc.alm.tm_mday = from_bcd(value);
650 menelaus_alm_update(s);
652 case MENELAUS_RTC_AL_MON:
653 s->rtc.alm.tm_mon = MAX(1, from_bcd(value)) - 1;
654 menelaus_alm_update(s);
656 case MENELAUS_RTC_AL_YR:
657 s->rtc.alm.tm_year = 2000 + from_bcd(value);
658 menelaus_alm_update(s);
660 case MENELAUS_RTC_COMP_MSB:
662 s->rtc.comp |= value << 8;
664 case MENELAUS_RTC_COMP_LSB:
665 s->rtc.comp &= 0xff << 8;
666 s->rtc.comp |= value;
669 case MENELAUS_S1_PULL_EN:
672 case MENELAUS_S1_PULL_DIR:
673 s->pull[1] = value & 0x1f;
675 case MENELAUS_S2_PULL_EN:
678 case MENELAUS_S2_PULL_DIR:
679 s->pull[3] = value & 0x1f;
682 case MENELAUS_MCT_CTRL1:
683 s->mmc_ctrl[0] = value & 0x7f;
685 case MENELAUS_MCT_CTRL2:
686 s->mmc_ctrl[1] = value;
687 /* TODO update Card Detect interrupts */
689 case MENELAUS_MCT_CTRL3:
690 s->mmc_ctrl[2] = value & 0xf;
692 case MENELAUS_DEBOUNCE1:
693 s->mmc_debounce = value & 0x3f;
698 printf("%s: unknown register %02x\n", __func__, addr);
704 static int menelaus_event(I2CSlave *i2c, enum i2c_event event)
706 MenelausState *s = TWL92230(i2c);
708 if (event == I2C_START_SEND)
714 static int menelaus_tx(I2CSlave *i2c, uint8_t data)
716 MenelausState *s = TWL92230(i2c);
718 /* Interpret register address byte */
723 menelaus_write(s, s->reg ++, data);
728 static uint8_t menelaus_rx(I2CSlave *i2c)
730 MenelausState *s = TWL92230(i2c);
732 return menelaus_read(s, s->reg ++);
735 /* Save restore 32 bit int as uint16_t
736 This is a Big hack, but it is how the old state did it.
737 Or we broke compatibility in the state, or we can't use struct tm
740 static int get_int32_as_uint16(QEMUFile *f, void *pv, size_t size,
741 const VMStateField *field)
744 *v = qemu_get_be16(f);
748 static int put_int32_as_uint16(QEMUFile *f, void *pv, size_t size,
749 const VMStateField *field, JSONWriter *vmdesc)
752 qemu_put_be16(f, *v);
757 static const VMStateInfo vmstate_hack_int32_as_uint16 = {
758 .name = "int32_as_uint16",
759 .get = get_int32_as_uint16,
760 .put = put_int32_as_uint16,
763 #define VMSTATE_UINT16_HACK(_f, _s) \
764 VMSTATE_SINGLE(_f, _s, 0, vmstate_hack_int32_as_uint16, int32_t)
767 static const VMStateDescription vmstate_menelaus_tm = {
768 .name = "menelaus_tm",
770 .minimum_version_id = 0,
771 .fields = (VMStateField[]) {
772 VMSTATE_UINT16_HACK(tm_sec, struct tm),
773 VMSTATE_UINT16_HACK(tm_min, struct tm),
774 VMSTATE_UINT16_HACK(tm_hour, struct tm),
775 VMSTATE_UINT16_HACK(tm_mday, struct tm),
776 VMSTATE_UINT16_HACK(tm_min, struct tm),
777 VMSTATE_UINT16_HACK(tm_year, struct tm),
778 VMSTATE_END_OF_LIST()
782 static int menelaus_pre_save(void *opaque)
784 MenelausState *s = opaque;
785 /* Should be <= 1000 */
786 s->rtc_next_vmstate = s->rtc.next - qemu_clock_get_ms(rtc_clock);
791 static int menelaus_post_load(void *opaque, int version_id)
793 MenelausState *s = opaque;
795 if (s->rtc.ctrl & 1) /* RTC_EN */
796 menelaus_rtc_stop(s);
798 s->rtc.next = s->rtc_next_vmstate;
800 menelaus_alm_update(s);
802 if (s->rtc.ctrl & 1) /* RTC_EN */
803 menelaus_rtc_start(s);
807 static const VMStateDescription vmstate_menelaus = {
810 .minimum_version_id = 0,
811 .pre_save = menelaus_pre_save,
812 .post_load = menelaus_post_load,
813 .fields = (VMStateField[]) {
814 VMSTATE_INT32(firstbyte, MenelausState),
815 VMSTATE_UINT8(reg, MenelausState),
816 VMSTATE_UINT8_ARRAY(vcore, MenelausState, 5),
817 VMSTATE_UINT8_ARRAY(dcdc, MenelausState, 3),
818 VMSTATE_UINT8_ARRAY(ldo, MenelausState, 8),
819 VMSTATE_UINT8_ARRAY(sleep, MenelausState, 2),
820 VMSTATE_UINT8(osc, MenelausState),
821 VMSTATE_UINT8(detect, MenelausState),
822 VMSTATE_UINT16(mask, MenelausState),
823 VMSTATE_UINT16(status, MenelausState),
824 VMSTATE_UINT8(dir, MenelausState),
825 VMSTATE_UINT8(inputs, MenelausState),
826 VMSTATE_UINT8(outputs, MenelausState),
827 VMSTATE_UINT8(bbsms, MenelausState),
828 VMSTATE_UINT8_ARRAY(pull, MenelausState, 4),
829 VMSTATE_UINT8_ARRAY(mmc_ctrl, MenelausState, 3),
830 VMSTATE_UINT8(mmc_debounce, MenelausState),
831 VMSTATE_UINT8(rtc.ctrl, MenelausState),
832 VMSTATE_UINT16(rtc.comp, MenelausState),
833 VMSTATE_UINT16(rtc_next_vmstate, MenelausState),
834 VMSTATE_STRUCT(rtc.new, MenelausState, 0, vmstate_menelaus_tm,
836 VMSTATE_STRUCT(rtc.alm, MenelausState, 0, vmstate_menelaus_tm,
838 VMSTATE_UINT8(pwrbtn_state, MenelausState),
839 VMSTATE_I2C_SLAVE(parent_obj, MenelausState),
840 VMSTATE_END_OF_LIST()
844 static void twl92230_realize(DeviceState *dev, Error **errp)
846 MenelausState *s = TWL92230(dev);
848 s->rtc.hz_tm = timer_new_ms(rtc_clock, menelaus_rtc_hz, s);
849 /* Three output pins plus one interrupt pin. */
850 qdev_init_gpio_out(dev, s->out, 4);
852 /* Three input pins plus one power-button pin. */
853 qdev_init_gpio_in(dev, menelaus_gpio_set, 4);
855 menelaus_reset(I2C_SLAVE(dev));
858 static void twl92230_class_init(ObjectClass *klass, void *data)
860 DeviceClass *dc = DEVICE_CLASS(klass);
861 I2CSlaveClass *sc = I2C_SLAVE_CLASS(klass);
863 dc->realize = twl92230_realize;
864 sc->event = menelaus_event;
865 sc->recv = menelaus_rx;
866 sc->send = menelaus_tx;
867 dc->vmsd = &vmstate_menelaus;
870 static const TypeInfo twl92230_info = {
871 .name = TYPE_TWL92230,
872 .parent = TYPE_I2C_SLAVE,
873 .instance_size = sizeof(MenelausState),
874 .class_init = twl92230_class_init,
877 static void twl92230_register_types(void)
879 type_register_static(&twl92230_info);
882 type_init(twl92230_register_types)