2 * TI TWL92230C energy-management companion device for the OMAP24xx.
3 * Aka. Menelaus (N4200 MENELAUS1_V2.2)
5 * Copyright (C) 2008 Nokia Corporation
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"
25 #include "sysemu/sysemu.h"
26 #include "ui/console.h"
63 uint16_t rtc_next_vmstate;
68 static inline void menelaus_update(MenelausState *s)
70 qemu_set_irq(s->out[3], s->status & ~s->mask);
73 static inline void menelaus_rtc_start(MenelausState *s)
75 s->rtc.next += qemu_get_clock_ms(rtc_clock);
76 qemu_mod_timer(s->rtc.hz_tm, s->rtc.next);
79 static inline void menelaus_rtc_stop(MenelausState *s)
81 qemu_del_timer(s->rtc.hz_tm);
82 s->rtc.next -= qemu_get_clock_ms(rtc_clock);
87 static void menelaus_rtc_update(MenelausState *s)
89 qemu_get_timedate(&s->rtc.tm, s->rtc.sec_offset);
92 static void menelaus_alm_update(MenelausState *s)
94 if ((s->rtc.ctrl & 3) == 3)
95 s->rtc.alm_sec = qemu_timedate_diff(&s->rtc.alm) - s->rtc.sec_offset;
98 static void menelaus_rtc_hz(void *opaque)
100 MenelausState *s = (MenelausState *) opaque;
105 qemu_mod_timer(s->rtc.hz_tm, s->rtc.next);
106 if ((s->rtc.ctrl >> 3) & 3) { /* EVERY */
107 menelaus_rtc_update(s);
108 if (((s->rtc.ctrl >> 3) & 3) == 1 && !s->rtc.tm.tm_sec)
109 s->status |= 1 << 8; /* RTCTMR */
110 else if (((s->rtc.ctrl >> 3) & 3) == 2 && !s->rtc.tm.tm_min)
111 s->status |= 1 << 8; /* RTCTMR */
112 else if (!s->rtc.tm.tm_hour)
113 s->status |= 1 << 8; /* RTCTMR */
115 s->status |= 1 << 8; /* RTCTMR */
116 if ((s->rtc.ctrl >> 1) & 1) { /* RTC_AL_EN */
117 if (s->rtc.alm_sec == 0)
118 s->status |= 1 << 9; /* RTCALM */
121 if (s->rtc.next_comp <= 0) {
122 s->rtc.next -= muldiv64((int16_t) s->rtc.comp, 1000, 0x8000);
123 s->rtc.next_comp = 3600;
128 static void menelaus_reset(I2CSlave *i2c)
130 MenelausState *s = (MenelausState *) i2c;
133 s->vcore[0] = 0x0c; /* XXX: X-loader needs 0x8c? check! */
138 s->dcdc[0] = 0x33; /* Depends on wiring */
144 s->ldo[3] = 0x00; /* Depends on wiring */
145 s->ldo[4] = 0x03; /* Depends on wiring */
162 s->mmc_ctrl[0] = 0x03;
163 s->mmc_ctrl[1] = 0xc0;
164 s->mmc_ctrl[2] = 0x00;
165 s->mmc_debounce = 0x05;
168 menelaus_rtc_stop(s);
170 s->rtc.comp = 0x0000;
172 s->rtc.sec_offset = 0;
173 s->rtc.next_comp = 1800;
174 s->rtc.alm_sec = 1800;
175 s->rtc.alm.tm_sec = 0x00;
176 s->rtc.alm.tm_min = 0x00;
177 s->rtc.alm.tm_hour = 0x00;
178 s->rtc.alm.tm_mday = 0x01;
179 s->rtc.alm.tm_mon = 0x00;
180 s->rtc.alm.tm_year = 2004;
184 static void menelaus_gpio_set(void *opaque, int line, int level)
186 MenelausState *s = (MenelausState *) opaque;
189 /* No interrupt generated */
190 s->inputs &= ~(1 << line);
191 s->inputs |= level << line;
195 if (!s->pwrbtn_state && level) {
196 s->status |= 1 << 11; /* PSHBTN */
199 s->pwrbtn_state = level;
202 #define MENELAUS_REV 0x01
203 #define MENELAUS_VCORE_CTRL1 0x02
204 #define MENELAUS_VCORE_CTRL2 0x03
205 #define MENELAUS_VCORE_CTRL3 0x04
206 #define MENELAUS_VCORE_CTRL4 0x05
207 #define MENELAUS_VCORE_CTRL5 0x06
208 #define MENELAUS_DCDC_CTRL1 0x07
209 #define MENELAUS_DCDC_CTRL2 0x08
210 #define MENELAUS_DCDC_CTRL3 0x09
211 #define MENELAUS_LDO_CTRL1 0x0a
212 #define MENELAUS_LDO_CTRL2 0x0b
213 #define MENELAUS_LDO_CTRL3 0x0c
214 #define MENELAUS_LDO_CTRL4 0x0d
215 #define MENELAUS_LDO_CTRL5 0x0e
216 #define MENELAUS_LDO_CTRL6 0x0f
217 #define MENELAUS_LDO_CTRL7 0x10
218 #define MENELAUS_LDO_CTRL8 0x11
219 #define MENELAUS_SLEEP_CTRL1 0x12
220 #define MENELAUS_SLEEP_CTRL2 0x13
221 #define MENELAUS_DEVICE_OFF 0x14
222 #define MENELAUS_OSC_CTRL 0x15
223 #define MENELAUS_DETECT_CTRL 0x16
224 #define MENELAUS_INT_MASK1 0x17
225 #define MENELAUS_INT_MASK2 0x18
226 #define MENELAUS_INT_STATUS1 0x19
227 #define MENELAUS_INT_STATUS2 0x1a
228 #define MENELAUS_INT_ACK1 0x1b
229 #define MENELAUS_INT_ACK2 0x1c
230 #define MENELAUS_GPIO_CTRL 0x1d
231 #define MENELAUS_GPIO_IN 0x1e
232 #define MENELAUS_GPIO_OUT 0x1f
233 #define MENELAUS_BBSMS 0x20
234 #define MENELAUS_RTC_CTRL 0x21
235 #define MENELAUS_RTC_UPDATE 0x22
236 #define MENELAUS_RTC_SEC 0x23
237 #define MENELAUS_RTC_MIN 0x24
238 #define MENELAUS_RTC_HR 0x25
239 #define MENELAUS_RTC_DAY 0x26
240 #define MENELAUS_RTC_MON 0x27
241 #define MENELAUS_RTC_YR 0x28
242 #define MENELAUS_RTC_WKDAY 0x29
243 #define MENELAUS_RTC_AL_SEC 0x2a
244 #define MENELAUS_RTC_AL_MIN 0x2b
245 #define MENELAUS_RTC_AL_HR 0x2c
246 #define MENELAUS_RTC_AL_DAY 0x2d
247 #define MENELAUS_RTC_AL_MON 0x2e
248 #define MENELAUS_RTC_AL_YR 0x2f
249 #define MENELAUS_RTC_COMP_MSB 0x30
250 #define MENELAUS_RTC_COMP_LSB 0x31
251 #define MENELAUS_S1_PULL_EN 0x32
252 #define MENELAUS_S1_PULL_DIR 0x33
253 #define MENELAUS_S2_PULL_EN 0x34
254 #define MENELAUS_S2_PULL_DIR 0x35
255 #define MENELAUS_MCT_CTRL1 0x36
256 #define MENELAUS_MCT_CTRL2 0x37
257 #define MENELAUS_MCT_CTRL3 0x38
258 #define MENELAUS_MCT_PIN_ST 0x39
259 #define MENELAUS_DEBOUNCE1 0x3a
261 static uint8_t menelaus_read(void *opaque, uint8_t addr)
263 MenelausState *s = (MenelausState *) opaque;
270 case MENELAUS_VCORE_CTRL5: reg ++;
271 case MENELAUS_VCORE_CTRL4: reg ++;
272 case MENELAUS_VCORE_CTRL3: reg ++;
273 case MENELAUS_VCORE_CTRL2: reg ++;
274 case MENELAUS_VCORE_CTRL1:
275 return s->vcore[reg];
277 case MENELAUS_DCDC_CTRL3: reg ++;
278 case MENELAUS_DCDC_CTRL2: reg ++;
279 case MENELAUS_DCDC_CTRL1:
282 case MENELAUS_LDO_CTRL8: reg ++;
283 case MENELAUS_LDO_CTRL7: reg ++;
284 case MENELAUS_LDO_CTRL6: reg ++;
285 case MENELAUS_LDO_CTRL5: reg ++;
286 case MENELAUS_LDO_CTRL4: reg ++;
287 case MENELAUS_LDO_CTRL3: reg ++;
288 case MENELAUS_LDO_CTRL2: reg ++;
289 case MENELAUS_LDO_CTRL1:
292 case MENELAUS_SLEEP_CTRL2: reg ++;
293 case MENELAUS_SLEEP_CTRL1:
294 return s->sleep[reg];
296 case MENELAUS_DEVICE_OFF:
299 case MENELAUS_OSC_CTRL:
300 return s->osc | (1 << 7); /* CLK32K_GOOD */
302 case MENELAUS_DETECT_CTRL:
305 case MENELAUS_INT_MASK1:
306 return (s->mask >> 0) & 0xff;
307 case MENELAUS_INT_MASK2:
308 return (s->mask >> 8) & 0xff;
310 case MENELAUS_INT_STATUS1:
311 return (s->status >> 0) & 0xff;
312 case MENELAUS_INT_STATUS2:
313 return (s->status >> 8) & 0xff;
315 case MENELAUS_INT_ACK1:
316 case MENELAUS_INT_ACK2:
319 case MENELAUS_GPIO_CTRL:
321 case MENELAUS_GPIO_IN:
322 return s->inputs | (~s->dir & s->outputs);
323 case MENELAUS_GPIO_OUT:
329 case MENELAUS_RTC_CTRL:
331 case MENELAUS_RTC_UPDATE:
333 case MENELAUS_RTC_SEC:
334 menelaus_rtc_update(s);
335 return to_bcd(s->rtc.tm.tm_sec);
336 case MENELAUS_RTC_MIN:
337 menelaus_rtc_update(s);
338 return to_bcd(s->rtc.tm.tm_min);
339 case MENELAUS_RTC_HR:
340 menelaus_rtc_update(s);
341 if ((s->rtc.ctrl >> 2) & 1) /* MODE12_n24 */
342 return to_bcd((s->rtc.tm.tm_hour % 12) + 1) |
343 (!!(s->rtc.tm.tm_hour >= 12) << 7); /* PM_nAM */
345 return to_bcd(s->rtc.tm.tm_hour);
346 case MENELAUS_RTC_DAY:
347 menelaus_rtc_update(s);
348 return to_bcd(s->rtc.tm.tm_mday);
349 case MENELAUS_RTC_MON:
350 menelaus_rtc_update(s);
351 return to_bcd(s->rtc.tm.tm_mon + 1);
352 case MENELAUS_RTC_YR:
353 menelaus_rtc_update(s);
354 return to_bcd(s->rtc.tm.tm_year - 2000);
355 case MENELAUS_RTC_WKDAY:
356 menelaus_rtc_update(s);
357 return to_bcd(s->rtc.tm.tm_wday);
358 case MENELAUS_RTC_AL_SEC:
359 return to_bcd(s->rtc.alm.tm_sec);
360 case MENELAUS_RTC_AL_MIN:
361 return to_bcd(s->rtc.alm.tm_min);
362 case MENELAUS_RTC_AL_HR:
363 if ((s->rtc.ctrl >> 2) & 1) /* MODE12_n24 */
364 return to_bcd((s->rtc.alm.tm_hour % 12) + 1) |
365 (!!(s->rtc.alm.tm_hour >= 12) << 7);/* AL_PM_nAM */
367 return to_bcd(s->rtc.alm.tm_hour);
368 case MENELAUS_RTC_AL_DAY:
369 return to_bcd(s->rtc.alm.tm_mday);
370 case MENELAUS_RTC_AL_MON:
371 return to_bcd(s->rtc.alm.tm_mon + 1);
372 case MENELAUS_RTC_AL_YR:
373 return to_bcd(s->rtc.alm.tm_year - 2000);
374 case MENELAUS_RTC_COMP_MSB:
375 return (s->rtc.comp >> 8) & 0xff;
376 case MENELAUS_RTC_COMP_LSB:
377 return (s->rtc.comp >> 0) & 0xff;
379 case MENELAUS_S1_PULL_EN:
381 case MENELAUS_S1_PULL_DIR:
383 case MENELAUS_S2_PULL_EN:
385 case MENELAUS_S2_PULL_DIR:
388 case MENELAUS_MCT_CTRL3: reg ++;
389 case MENELAUS_MCT_CTRL2: reg ++;
390 case MENELAUS_MCT_CTRL1:
391 return s->mmc_ctrl[reg];
392 case MENELAUS_MCT_PIN_ST:
393 /* TODO: return the real Card Detect */
395 case MENELAUS_DEBOUNCE1:
396 return s->mmc_debounce;
400 printf("%s: unknown register %02x\n", __FUNCTION__, addr);
407 static void menelaus_write(void *opaque, uint8_t addr, uint8_t value)
409 MenelausState *s = (MenelausState *) opaque;
415 case MENELAUS_VCORE_CTRL1:
416 s->vcore[0] = (value & 0xe) | MIN(value & 0x1f, 0x12);
418 case MENELAUS_VCORE_CTRL2:
421 case MENELAUS_VCORE_CTRL3:
422 s->vcore[2] = MIN(value & 0x1f, 0x12);
424 case MENELAUS_VCORE_CTRL4:
425 s->vcore[3] = MIN(value & 0x1f, 0x12);
427 case MENELAUS_VCORE_CTRL5:
428 s->vcore[4] = value & 3;
430 * auto set to 3 on M_Active, nRESWARM
431 * auto set to 0 on M_WaitOn, M_Backup
435 case MENELAUS_DCDC_CTRL1:
436 s->dcdc[0] = value & 0x3f;
438 case MENELAUS_DCDC_CTRL2:
439 s->dcdc[1] = value & 0x07;
441 * auto set to 3 on M_Active, nRESWARM
442 * auto set to 0 on M_WaitOn, M_Backup
445 case MENELAUS_DCDC_CTRL3:
446 s->dcdc[2] = value & 0x07;
449 case MENELAUS_LDO_CTRL1:
452 case MENELAUS_LDO_CTRL2:
453 s->ldo[1] = value & 0x7f;
455 * auto set to 0x7e on M_WaitOn, M_Backup
458 case MENELAUS_LDO_CTRL3:
459 s->ldo[2] = 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_CTRL4:
466 s->ldo[3] = 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_CTRL5:
473 s->ldo[4] = value & 3;
475 * auto set to 3 on M_Active, nRESWARM
476 * auto set to 0 on M_WaitOn, M_Backup
479 case MENELAUS_LDO_CTRL6:
480 s->ldo[5] = value & 3;
482 case MENELAUS_LDO_CTRL7:
483 s->ldo[6] = value & 3;
485 case MENELAUS_LDO_CTRL8:
486 s->ldo[7] = value & 3;
489 case MENELAUS_SLEEP_CTRL2: reg ++;
490 case MENELAUS_SLEEP_CTRL1:
491 s->sleep[reg] = value;
494 case MENELAUS_DEVICE_OFF:
496 menelaus_reset(&s->i2c);
499 case MENELAUS_OSC_CTRL:
503 case MENELAUS_DETECT_CTRL:
504 s->detect = value & 0x7f;
507 case MENELAUS_INT_MASK1:
509 s->mask |= value << 0;
512 case MENELAUS_INT_MASK2:
514 s->mask |= value << 8;
518 case MENELAUS_INT_ACK1:
519 s->status &= ~(((uint16_t) value) << 0);
522 case MENELAUS_INT_ACK2:
523 s->status &= ~(((uint16_t) value) << 8);
527 case MENELAUS_GPIO_CTRL:
528 for (line = 0; line < 3; line ++) {
529 if (((s->dir ^ value) >> line) & 1) {
530 qemu_set_irq(s->out[line],
531 ((s->outputs & ~s->dir) >> line) & 1);
534 s->dir = value & 0x67;
536 case MENELAUS_GPIO_OUT:
537 for (line = 0; line < 3; line ++) {
538 if ((((s->outputs ^ value) & ~s->dir) >> line) & 1) {
539 qemu_set_irq(s->out[line], (s->outputs >> line) & 1);
542 s->outputs = value & 0x07;
549 case MENELAUS_RTC_CTRL:
550 if ((s->rtc.ctrl ^ value) & 1) { /* RTC_EN */
552 menelaus_rtc_start(s);
554 menelaus_rtc_stop(s);
556 s->rtc.ctrl = value & 0x1f;
557 menelaus_alm_update(s);
559 case MENELAUS_RTC_UPDATE:
560 menelaus_rtc_update(s);
561 memcpy(&tm, &s->rtc.tm, sizeof(tm));
562 switch (value & 0xf) {
566 tm.tm_sec = s->rtc.new.tm_sec;
569 tm.tm_min = s->rtc.new.tm_min;
572 if (s->rtc.new.tm_hour > 23)
574 tm.tm_hour = s->rtc.new.tm_hour;
577 if (s->rtc.new.tm_mday < 1)
579 /* TODO check range */
580 tm.tm_mday = s->rtc.new.tm_mday;
583 if (s->rtc.new.tm_mon < 0 || s->rtc.new.tm_mon > 11)
585 tm.tm_mon = s->rtc.new.tm_mon;
588 tm.tm_year = s->rtc.new.tm_year;
591 /* TODO set .tm_mday instead */
592 tm.tm_wday = s->rtc.new.tm_wday;
595 if (s->rtc.new.tm_hour > 23)
597 if (s->rtc.new.tm_mday < 1)
599 if (s->rtc.new.tm_mon < 0 || s->rtc.new.tm_mon > 11)
601 tm.tm_sec = s->rtc.new.tm_sec;
602 tm.tm_min = s->rtc.new.tm_min;
603 tm.tm_hour = s->rtc.new.tm_hour;
604 tm.tm_mday = s->rtc.new.tm_mday;
605 tm.tm_mon = s->rtc.new.tm_mon;
606 tm.tm_year = s->rtc.new.tm_year;
610 fprintf(stderr, "%s: bad RTC_UPDATE value %02x\n",
611 __FUNCTION__, value);
612 s->status |= 1 << 10; /* RTCERR */
615 s->rtc.sec_offset = qemu_timedate_diff(&tm);
617 case MENELAUS_RTC_SEC:
618 s->rtc.tm.tm_sec = from_bcd(value & 0x7f);
620 case MENELAUS_RTC_MIN:
621 s->rtc.tm.tm_min = from_bcd(value & 0x7f);
623 case MENELAUS_RTC_HR:
624 s->rtc.tm.tm_hour = (s->rtc.ctrl & (1 << 2)) ? /* MODE12_n24 */
625 MIN(from_bcd(value & 0x3f), 12) + ((value >> 7) ? 11 : -1) :
626 from_bcd(value & 0x3f);
628 case MENELAUS_RTC_DAY:
629 s->rtc.tm.tm_mday = from_bcd(value);
631 case MENELAUS_RTC_MON:
632 s->rtc.tm.tm_mon = MAX(1, from_bcd(value)) - 1;
634 case MENELAUS_RTC_YR:
635 s->rtc.tm.tm_year = 2000 + from_bcd(value);
637 case MENELAUS_RTC_WKDAY:
638 s->rtc.tm.tm_mday = from_bcd(value);
640 case MENELAUS_RTC_AL_SEC:
641 s->rtc.alm.tm_sec = from_bcd(value & 0x7f);
642 menelaus_alm_update(s);
644 case MENELAUS_RTC_AL_MIN:
645 s->rtc.alm.tm_min = from_bcd(value & 0x7f);
646 menelaus_alm_update(s);
648 case MENELAUS_RTC_AL_HR:
649 s->rtc.alm.tm_hour = (s->rtc.ctrl & (1 << 2)) ? /* MODE12_n24 */
650 MIN(from_bcd(value & 0x3f), 12) + ((value >> 7) ? 11 : -1) :
651 from_bcd(value & 0x3f);
652 menelaus_alm_update(s);
654 case MENELAUS_RTC_AL_DAY:
655 s->rtc.alm.tm_mday = from_bcd(value);
656 menelaus_alm_update(s);
658 case MENELAUS_RTC_AL_MON:
659 s->rtc.alm.tm_mon = MAX(1, from_bcd(value)) - 1;
660 menelaus_alm_update(s);
662 case MENELAUS_RTC_AL_YR:
663 s->rtc.alm.tm_year = 2000 + from_bcd(value);
664 menelaus_alm_update(s);
666 case MENELAUS_RTC_COMP_MSB:
668 s->rtc.comp |= value << 8;
670 case MENELAUS_RTC_COMP_LSB:
671 s->rtc.comp &= 0xff << 8;
672 s->rtc.comp |= value;
675 case MENELAUS_S1_PULL_EN:
678 case MENELAUS_S1_PULL_DIR:
679 s->pull[1] = value & 0x1f;
681 case MENELAUS_S2_PULL_EN:
684 case MENELAUS_S2_PULL_DIR:
685 s->pull[3] = value & 0x1f;
688 case MENELAUS_MCT_CTRL1:
689 s->mmc_ctrl[0] = value & 0x7f;
691 case MENELAUS_MCT_CTRL2:
692 s->mmc_ctrl[1] = value;
693 /* TODO update Card Detect interrupts */
695 case MENELAUS_MCT_CTRL3:
696 s->mmc_ctrl[2] = value & 0xf;
698 case MENELAUS_DEBOUNCE1:
699 s->mmc_debounce = value & 0x3f;
704 printf("%s: unknown register %02x\n", __FUNCTION__, addr);
709 static void menelaus_event(I2CSlave *i2c, enum i2c_event event)
711 MenelausState *s = (MenelausState *) i2c;
713 if (event == I2C_START_SEND)
717 static int menelaus_tx(I2CSlave *i2c, uint8_t data)
719 MenelausState *s = (MenelausState *) i2c;
720 /* Interpret register address byte */
725 menelaus_write(s, s->reg ++, data);
730 static int menelaus_rx(I2CSlave *i2c)
732 MenelausState *s = (MenelausState *) i2c;
734 return menelaus_read(s, s->reg ++);
737 /* Save restore 32 bit int as uint16_t
738 This is a Big hack, but it is how the old state did it.
739 Or we broke compatibility in the state, or we can't use struct tm
742 static int get_int32_as_uint16(QEMUFile *f, void *pv, size_t size)
745 *v = qemu_get_be16(f);
749 static void put_int32_as_uint16(QEMUFile *f, void *pv, size_t size)
752 qemu_put_be16(f, *v);
755 static const VMStateInfo vmstate_hack_int32_as_uint16 = {
756 .name = "int32_as_uint16",
757 .get = get_int32_as_uint16,
758 .put = put_int32_as_uint16,
761 #define VMSTATE_UINT16_HACK(_f, _s) \
762 VMSTATE_SINGLE(_f, _s, 0, vmstate_hack_int32_as_uint16, int32_t)
765 static const VMStateDescription vmstate_menelaus_tm = {
766 .name = "menelaus_tm",
768 .minimum_version_id = 0,
769 .minimum_version_id_old = 0,
770 .fields = (VMStateField []) {
771 VMSTATE_UINT16_HACK(tm_sec, struct tm),
772 VMSTATE_UINT16_HACK(tm_min, struct tm),
773 VMSTATE_UINT16_HACK(tm_hour, struct tm),
774 VMSTATE_UINT16_HACK(tm_mday, struct tm),
775 VMSTATE_UINT16_HACK(tm_min, struct tm),
776 VMSTATE_UINT16_HACK(tm_year, struct tm),
777 VMSTATE_END_OF_LIST()
781 static void menelaus_pre_save(void *opaque)
783 MenelausState *s = opaque;
784 /* Should be <= 1000 */
785 s->rtc_next_vmstate = s->rtc.next - qemu_get_clock_ms(rtc_clock);
788 static int menelaus_post_load(void *opaque, int version_id)
790 MenelausState *s = opaque;
792 if (s->rtc.ctrl & 1) /* RTC_EN */
793 menelaus_rtc_stop(s);
795 s->rtc.next = s->rtc_next_vmstate;
797 menelaus_alm_update(s);
799 if (s->rtc.ctrl & 1) /* RTC_EN */
800 menelaus_rtc_start(s);
804 static const VMStateDescription vmstate_menelaus = {
807 .minimum_version_id = 0,
808 .minimum_version_id_old = 0,
809 .pre_save = menelaus_pre_save,
810 .post_load = menelaus_post_load,
811 .fields = (VMStateField []) {
812 VMSTATE_INT32(firstbyte, MenelausState),
813 VMSTATE_UINT8(reg, MenelausState),
814 VMSTATE_UINT8_ARRAY(vcore, MenelausState, 5),
815 VMSTATE_UINT8_ARRAY(dcdc, MenelausState, 3),
816 VMSTATE_UINT8_ARRAY(ldo, MenelausState, 8),
817 VMSTATE_UINT8_ARRAY(sleep, MenelausState, 2),
818 VMSTATE_UINT8(osc, MenelausState),
819 VMSTATE_UINT8(detect, MenelausState),
820 VMSTATE_UINT16(mask, MenelausState),
821 VMSTATE_UINT16(status, MenelausState),
822 VMSTATE_UINT8(dir, MenelausState),
823 VMSTATE_UINT8(inputs, MenelausState),
824 VMSTATE_UINT8(outputs, MenelausState),
825 VMSTATE_UINT8(bbsms, MenelausState),
826 VMSTATE_UINT8_ARRAY(pull, MenelausState, 4),
827 VMSTATE_UINT8_ARRAY(mmc_ctrl, MenelausState, 3),
828 VMSTATE_UINT8(mmc_debounce, MenelausState),
829 VMSTATE_UINT8(rtc.ctrl, MenelausState),
830 VMSTATE_UINT16(rtc.comp, MenelausState),
831 VMSTATE_UINT16(rtc_next_vmstate, MenelausState),
832 VMSTATE_STRUCT(rtc.new, MenelausState, 0, vmstate_menelaus_tm,
834 VMSTATE_STRUCT(rtc.alm, MenelausState, 0, vmstate_menelaus_tm,
836 VMSTATE_UINT8(pwrbtn_state, MenelausState),
837 VMSTATE_I2C_SLAVE(i2c, MenelausState),
838 VMSTATE_END_OF_LIST()
842 static int twl92230_init(I2CSlave *i2c)
844 MenelausState *s = FROM_I2C_SLAVE(MenelausState, i2c);
846 s->rtc.hz_tm = qemu_new_timer_ms(rtc_clock, menelaus_rtc_hz, s);
847 /* Three output pins plus one interrupt pin. */
848 qdev_init_gpio_out(&i2c->qdev, s->out, 4);
850 /* Three input pins plus one power-button pin. */
851 qdev_init_gpio_in(&i2c->qdev, menelaus_gpio_set, 4);
853 menelaus_reset(&s->i2c);
858 static void twl92230_class_init(ObjectClass *klass, void *data)
860 DeviceClass *dc = DEVICE_CLASS(klass);
861 I2CSlaveClass *sc = I2C_SLAVE_CLASS(klass);
863 sc->init = twl92230_init;
864 sc->event = menelaus_event;
865 sc->recv = menelaus_rx;
866 sc->send = menelaus_tx;
867 dc->vmsd = &vmstate_menelaus;
870 static TypeInfo twl92230_info = {
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)