/* * TI TWL92230C energy-management companion device for the OMAP24xx. * Aka. Menelaus (N4200 MENELAUS1_V2.2) * * Copyright (C) 2008 Nokia Corporation * Written by Andrzej Zaborowski * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License as * published by the Free Software Foundation; either version 2 or * (at your option) version 3 of the License. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License along * with this program; if not, see . */ #include "qemu/osdep.h" #include "qemu-common.h" #include "hw/hw.h" #include "qemu/timer.h" #include "hw/i2c/i2c.h" #include "sysemu/sysemu.h" #include "ui/console.h" #include "qemu/bcd.h" #include "qemu/module.h" #define VERBOSE 1 #define TYPE_TWL92230 "twl92230" #define TWL92230(obj) OBJECT_CHECK(MenelausState, (obj), TYPE_TWL92230) typedef struct MenelausState { I2CSlave parent_obj; int firstbyte; uint8_t reg; uint8_t vcore[5]; uint8_t dcdc[3]; uint8_t ldo[8]; uint8_t sleep[2]; uint8_t osc; uint8_t detect; uint16_t mask; uint16_t status; uint8_t dir; uint8_t inputs; uint8_t outputs; uint8_t bbsms; uint8_t pull[4]; uint8_t mmc_ctrl[3]; uint8_t mmc_debounce; struct { uint8_t ctrl; uint16_t comp; QEMUTimer *hz_tm; int64_t next; struct tm tm; struct tm new; struct tm alm; int sec_offset; int alm_sec; int next_comp; } rtc; uint16_t rtc_next_vmstate; qemu_irq out[4]; uint8_t pwrbtn_state; } MenelausState; static inline void menelaus_update(MenelausState *s) { qemu_set_irq(s->out[3], s->status & ~s->mask); } static inline void menelaus_rtc_start(MenelausState *s) { s->rtc.next += qemu_clock_get_ms(rtc_clock); timer_mod(s->rtc.hz_tm, s->rtc.next); } static inline void menelaus_rtc_stop(MenelausState *s) { timer_del(s->rtc.hz_tm); s->rtc.next -= qemu_clock_get_ms(rtc_clock); if (s->rtc.next < 1) s->rtc.next = 1; } static void menelaus_rtc_update(MenelausState *s) { qemu_get_timedate(&s->rtc.tm, s->rtc.sec_offset); } static void menelaus_alm_update(MenelausState *s) { if ((s->rtc.ctrl & 3) == 3) s->rtc.alm_sec = qemu_timedate_diff(&s->rtc.alm) - s->rtc.sec_offset; } static void menelaus_rtc_hz(void *opaque) { MenelausState *s = (MenelausState *) opaque; s->rtc.next_comp --; s->rtc.alm_sec --; s->rtc.next += 1000; timer_mod(s->rtc.hz_tm, s->rtc.next); if ((s->rtc.ctrl >> 3) & 3) { /* EVERY */ menelaus_rtc_update(s); if (((s->rtc.ctrl >> 3) & 3) == 1 && !s->rtc.tm.tm_sec) s->status |= 1 << 8; /* RTCTMR */ else if (((s->rtc.ctrl >> 3) & 3) == 2 && !s->rtc.tm.tm_min) s->status |= 1 << 8; /* RTCTMR */ else if (!s->rtc.tm.tm_hour) s->status |= 1 << 8; /* RTCTMR */ } else s->status |= 1 << 8; /* RTCTMR */ if ((s->rtc.ctrl >> 1) & 1) { /* RTC_AL_EN */ if (s->rtc.alm_sec == 0) s->status |= 1 << 9; /* RTCALM */ /* TODO: wake-up */ } if (s->rtc.next_comp <= 0) { s->rtc.next -= muldiv64((int16_t) s->rtc.comp, 1000, 0x8000); s->rtc.next_comp = 3600; } menelaus_update(s); } static void menelaus_reset(I2CSlave *i2c) { MenelausState *s = TWL92230(i2c); s->reg = 0x00; s->vcore[0] = 0x0c; /* XXX: X-loader needs 0x8c? check! */ s->vcore[1] = 0x05; s->vcore[2] = 0x02; s->vcore[3] = 0x0c; s->vcore[4] = 0x03; s->dcdc[0] = 0x33; /* Depends on wiring */ s->dcdc[1] = 0x03; s->dcdc[2] = 0x00; s->ldo[0] = 0x95; s->ldo[1] = 0x7e; s->ldo[2] = 0x00; s->ldo[3] = 0x00; /* Depends on wiring */ s->ldo[4] = 0x03; /* Depends on wiring */ s->ldo[5] = 0x00; s->ldo[6] = 0x00; s->ldo[7] = 0x00; s->sleep[0] = 0x00; s->sleep[1] = 0x00; s->osc = 0x01; s->detect = 0x09; s->mask = 0x0fff; s->status = 0; s->dir = 0x07; s->outputs = 0x00; s->bbsms = 0x00; s->pull[0] = 0x00; s->pull[1] = 0x00; s->pull[2] = 0x00; s->pull[3] = 0x00; s->mmc_ctrl[0] = 0x03; s->mmc_ctrl[1] = 0xc0; s->mmc_ctrl[2] = 0x00; s->mmc_debounce = 0x05; if (s->rtc.ctrl & 1) menelaus_rtc_stop(s); s->rtc.ctrl = 0x00; s->rtc.comp = 0x0000; s->rtc.next = 1000; s->rtc.sec_offset = 0; s->rtc.next_comp = 1800; s->rtc.alm_sec = 1800; s->rtc.alm.tm_sec = 0x00; s->rtc.alm.tm_min = 0x00; s->rtc.alm.tm_hour = 0x00; s->rtc.alm.tm_mday = 0x01; s->rtc.alm.tm_mon = 0x00; s->rtc.alm.tm_year = 2004; menelaus_update(s); } static void menelaus_gpio_set(void *opaque, int line, int level) { MenelausState *s = (MenelausState *) opaque; if (line < 3) { /* No interrupt generated */ s->inputs &= ~(1 << line); s->inputs |= level << line; return; } if (!s->pwrbtn_state && level) { s->status |= 1 << 11; /* PSHBTN */ menelaus_update(s); } s->pwrbtn_state = level; } #define MENELAUS_REV 0x01 #define MENELAUS_VCORE_CTRL1 0x02 #define MENELAUS_VCORE_CTRL2 0x03 #define MENELAUS_VCORE_CTRL3 0x04 #define MENELAUS_VCORE_CTRL4 0x05 #define MENELAUS_VCORE_CTRL5 0x06 #define MENELAUS_DCDC_CTRL1 0x07 #define MENELAUS_DCDC_CTRL2 0x08 #define MENELAUS_DCDC_CTRL3 0x09 #define MENELAUS_LDO_CTRL1 0x0a #define MENELAUS_LDO_CTRL2 0x0b #define MENELAUS_LDO_CTRL3 0x0c #define MENELAUS_LDO_CTRL4 0x0d #define MENELAUS_LDO_CTRL5 0x0e #define MENELAUS_LDO_CTRL6 0x0f #define MENELAUS_LDO_CTRL7 0x10 #define MENELAUS_LDO_CTRL8 0x11 #define MENELAUS_SLEEP_CTRL1 0x12 #define MENELAUS_SLEEP_CTRL2 0x13 #define MENELAUS_DEVICE_OFF 0x14 #define MENELAUS_OSC_CTRL 0x15 #define MENELAUS_DETECT_CTRL 0x16 #define MENELAUS_INT_MASK1 0x17 #define MENELAUS_INT_MASK2 0x18 #define MENELAUS_INT_STATUS1 0x19 #define MENELAUS_INT_STATUS2 0x1a #define MENELAUS_INT_ACK1 0x1b #define MENELAUS_INT_ACK2 0x1c #define MENELAUS_GPIO_CTRL 0x1d #define MENELAUS_GPIO_IN 0x1e #define MENELAUS_GPIO_OUT 0x1f #define MENELAUS_BBSMS 0x20 #define MENELAUS_RTC_CTRL 0x21 #define MENELAUS_RTC_UPDATE 0x22 #define MENELAUS_RTC_SEC 0x23 #define MENELAUS_RTC_MIN 0x24 #define MENELAUS_RTC_HR 0x25 #define MENELAUS_RTC_DAY 0x26 #define MENELAUS_RTC_MON 0x27 #define MENELAUS_RTC_YR 0x28 #define MENELAUS_RTC_WKDAY 0x29 #define MENELAUS_RTC_AL_SEC 0x2a #define MENELAUS_RTC_AL_MIN 0x2b #define MENELAUS_RTC_AL_HR 0x2c #define MENELAUS_RTC_AL_DAY 0x2d #define MENELAUS_RTC_AL_MON 0x2e #define MENELAUS_RTC_AL_YR 0x2f #define MENELAUS_RTC_COMP_MSB 0x30 #define MENELAUS_RTC_COMP_LSB 0x31 #define MENELAUS_S1_PULL_EN 0x32 #define MENELAUS_S1_PULL_DIR 0x33 #define MENELAUS_S2_PULL_EN 0x34 #define MENELAUS_S2_PULL_DIR 0x35 #define MENELAUS_MCT_CTRL1 0x36 #define MENELAUS_MCT_CTRL2 0x37 #define MENELAUS_MCT_CTRL3 0x38 #define MENELAUS_MCT_PIN_ST 0x39 #define MENELAUS_DEBOUNCE1 0x3a static uint8_t menelaus_read(void *opaque, uint8_t addr) { MenelausState *s = (MenelausState *) opaque; int reg = 0; switch (addr) { case MENELAUS_REV: return 0x22; case MENELAUS_VCORE_CTRL5: reg ++; case MENELAUS_VCORE_CTRL4: reg ++; case MENELAUS_VCORE_CTRL3: reg ++; case MENELAUS_VCORE_CTRL2: reg ++; case MENELAUS_VCORE_CTRL1: return s->vcore[reg]; case MENELAUS_DCDC_CTRL3: reg ++; case MENELAUS_DCDC_CTRL2: reg ++; case MENELAUS_DCDC_CTRL1: return s->dcdc[reg]; case MENELAUS_LDO_CTRL8: reg ++; case MENELAUS_LDO_CTRL7: reg ++; case MENELAUS_LDO_CTRL6: reg ++; case MENELAUS_LDO_CTRL5: reg ++; case MENELAUS_LDO_CTRL4: reg ++; case MENELAUS_LDO_CTRL3: reg ++; case MENELAUS_LDO_CTRL2: reg ++; case MENELAUS_LDO_CTRL1: return s->ldo[reg]; case MENELAUS_SLEEP_CTRL2: reg ++; case MENELAUS_SLEEP_CTRL1: return s->sleep[reg]; case MENELAUS_DEVICE_OFF: return 0; case MENELAUS_OSC_CTRL: return s->osc | (1 << 7); /* CLK32K_GOOD */ case MENELAUS_DETECT_CTRL: return s->detect; case MENELAUS_INT_MASK1: return (s->mask >> 0) & 0xff; case MENELAUS_INT_MASK2: return (s->mask >> 8) & 0xff; case MENELAUS_INT_STATUS1: return (s->status >> 0) & 0xff; case MENELAUS_INT_STATUS2: return (s->status >> 8) & 0xff; case MENELAUS_INT_ACK1: case MENELAUS_INT_ACK2: return 0; case MENELAUS_GPIO_CTRL: return s->dir; case MENELAUS_GPIO_IN: return s->inputs | (~s->dir & s->outputs); case MENELAUS_GPIO_OUT: return s->outputs; case MENELAUS_BBSMS: return s->bbsms; case MENELAUS_RTC_CTRL: return s->rtc.ctrl; case MENELAUS_RTC_UPDATE: return 0x00; case MENELAUS_RTC_SEC: menelaus_rtc_update(s); return to_bcd(s->rtc.tm.tm_sec); case MENELAUS_RTC_MIN: menelaus_rtc_update(s); return to_bcd(s->rtc.tm.tm_min); case MENELAUS_RTC_HR: menelaus_rtc_update(s); if ((s->rtc.ctrl >> 2) & 1) /* MODE12_n24 */ return to_bcd((s->rtc.tm.tm_hour % 12) + 1) | (!!(s->rtc.tm.tm_hour >= 12) << 7); /* PM_nAM */ else return to_bcd(s->rtc.tm.tm_hour); case MENELAUS_RTC_DAY: menelaus_rtc_update(s); return to_bcd(s->rtc.tm.tm_mday); case MENELAUS_RTC_MON: menelaus_rtc_update(s); return to_bcd(s->rtc.tm.tm_mon + 1); case MENELAUS_RTC_YR: menelaus_rtc_update(s); return to_bcd(s->rtc.tm.tm_year - 2000); case MENELAUS_RTC_WKDAY: menelaus_rtc_update(s); return to_bcd(s->rtc.tm.tm_wday); case MENELAUS_RTC_AL_SEC: return to_bcd(s->rtc.alm.tm_sec); case MENELAUS_RTC_AL_MIN: return to_bcd(s->rtc.alm.tm_min); case MENELAUS_RTC_AL_HR: if ((s->rtc.ctrl >> 2) & 1) /* MODE12_n24 */ return to_bcd((s->rtc.alm.tm_hour % 12) + 1) | (!!(s->rtc.alm.tm_hour >= 12) << 7);/* AL_PM_nAM */ else return to_bcd(s->rtc.alm.tm_hour); case MENELAUS_RTC_AL_DAY: return to_bcd(s->rtc.alm.tm_mday); case MENELAUS_RTC_AL_MON: return to_bcd(s->rtc.alm.tm_mon + 1); case MENELAUS_RTC_AL_YR: return to_bcd(s->rtc.alm.tm_year - 2000); case MENELAUS_RTC_COMP_MSB: return (s->rtc.comp >> 8) & 0xff; case MENELAUS_RTC_COMP_LSB: return (s->rtc.comp >> 0) & 0xff; case MENELAUS_S1_PULL_EN: return s->pull[0]; case MENELAUS_S1_PULL_DIR: return s->pull[1]; case MENELAUS_S2_PULL_EN: return s->pull[2]; case MENELAUS_S2_PULL_DIR: return s->pull[3]; case MENELAUS_MCT_CTRL3: reg ++; case MENELAUS_MCT_CTRL2: reg ++; case MENELAUS_MCT_CTRL1: return s->mmc_ctrl[reg]; case MENELAUS_MCT_PIN_ST: /* TODO: return the real Card Detect */ return 0; case MENELAUS_DEBOUNCE1: return s->mmc_debounce; default: #ifdef VERBOSE printf("%s: unknown register %02x\n", __func__, addr); #endif break; } return 0; } static void menelaus_write(void *opaque, uint8_t addr, uint8_t value) { MenelausState *s = (MenelausState *) opaque; int line; int reg = 0; struct tm tm; switch (addr) { case MENELAUS_VCORE_CTRL1: s->vcore[0] = (value & 0xe) | MIN(value & 0x1f, 0x12); break; case MENELAUS_VCORE_CTRL2: s->vcore[1] = value; break; case MENELAUS_VCORE_CTRL3: s->vcore[2] = MIN(value & 0x1f, 0x12); break; case MENELAUS_VCORE_CTRL4: s->vcore[3] = MIN(value & 0x1f, 0x12); break; case MENELAUS_VCORE_CTRL5: s->vcore[4] = value & 3; /* XXX * auto set to 3 on M_Active, nRESWARM * auto set to 0 on M_WaitOn, M_Backup */ break; case MENELAUS_DCDC_CTRL1: s->dcdc[0] = value & 0x3f; break; case MENELAUS_DCDC_CTRL2: s->dcdc[1] = value & 0x07; /* XXX * auto set to 3 on M_Active, nRESWARM * auto set to 0 on M_WaitOn, M_Backup */ break; case MENELAUS_DCDC_CTRL3: s->dcdc[2] = value & 0x07; break; case MENELAUS_LDO_CTRL1: s->ldo[0] = value; break; case MENELAUS_LDO_CTRL2: s->ldo[1] = value & 0x7f; /* XXX * auto set to 0x7e on M_WaitOn, M_Backup */ break; case MENELAUS_LDO_CTRL3: s->ldo[2] = value & 3; /* XXX * auto set to 3 on M_Active, nRESWARM * auto set to 0 on M_WaitOn, M_Backup */ break; case MENELAUS_LDO_CTRL4: s->ldo[3] = value & 3; /* XXX * auto set to 3 on M_Active, nRESWARM * auto set to 0 on M_WaitOn, M_Backup */ break; case MENELAUS_LDO_CTRL5: s->ldo[4] = value & 3; /* XXX * auto set to 3 on M_Active, nRESWARM * auto set to 0 on M_WaitOn, M_Backup */ break; case MENELAUS_LDO_CTRL6: s->ldo[5] = value & 3; break; case MENELAUS_LDO_CTRL7: s->ldo[6] = value & 3; break; case MENELAUS_LDO_CTRL8: s->ldo[7] = value & 3; break; case MENELAUS_SLEEP_CTRL2: reg ++; case MENELAUS_SLEEP_CTRL1: s->sleep[reg] = value; break; case MENELAUS_DEVICE_OFF: if (value & 1) { menelaus_reset(I2C_SLAVE(s)); } break; case MENELAUS_OSC_CTRL: s->osc = value & 7; break; case MENELAUS_DETECT_CTRL: s->detect = value & 0x7f; break; case MENELAUS_INT_MASK1: s->mask &= 0xf00; s->mask |= value << 0; menelaus_update(s); break; case MENELAUS_INT_MASK2: s->mask &= 0x0ff; s->mask |= value << 8; menelaus_update(s); break; case MENELAUS_INT_ACK1: s->status &= ~(((uint16_t) value) << 0); menelaus_update(s); break; case MENELAUS_INT_ACK2: s->status &= ~(((uint16_t) value) << 8); menelaus_update(s); break; case MENELAUS_GPIO_CTRL: for (line = 0; line < 3; line ++) { if (((s->dir ^ value) >> line) & 1) { qemu_set_irq(s->out[line], ((s->outputs & ~s->dir) >> line) & 1); } } s->dir = value & 0x67; break; case MENELAUS_GPIO_OUT: for (line = 0; line < 3; line ++) { if ((((s->outputs ^ value) & ~s->dir) >> line) & 1) { qemu_set_irq(s->out[line], (s->outputs >> line) & 1); } } s->outputs = value & 0x07; break; case MENELAUS_BBSMS: s->bbsms = 0x0d; break; case MENELAUS_RTC_CTRL: if ((s->rtc.ctrl ^ value) & 1) { /* RTC_EN */ if (value & 1) menelaus_rtc_start(s); else menelaus_rtc_stop(s); } s->rtc.ctrl = value & 0x1f; menelaus_alm_update(s); break; case MENELAUS_RTC_UPDATE: menelaus_rtc_update(s); memcpy(&tm, &s->rtc.tm, sizeof(tm)); switch (value & 0xf) { case 0: break; case 1: tm.tm_sec = s->rtc.new.tm_sec; break; case 2: tm.tm_min = s->rtc.new.tm_min; break; case 3: if (s->rtc.new.tm_hour > 23) goto rtc_badness; tm.tm_hour = s->rtc.new.tm_hour; break; case 4: if (s->rtc.new.tm_mday < 1) goto rtc_badness; /* TODO check range */ tm.tm_mday = s->rtc.new.tm_mday; break; case 5: if (s->rtc.new.tm_mon < 0 || s->rtc.new.tm_mon > 11) goto rtc_badness; tm.tm_mon = s->rtc.new.tm_mon; break; case 6: tm.tm_year = s->rtc.new.tm_year; break; case 7: /* TODO set .tm_mday instead */ tm.tm_wday = s->rtc.new.tm_wday; break; case 8: if (s->rtc.new.tm_hour > 23) goto rtc_badness; if (s->rtc.new.tm_mday < 1) goto rtc_badness; if (s->rtc.new.tm_mon < 0 || s->rtc.new.tm_mon > 11) goto rtc_badness; tm.tm_sec = s->rtc.new.tm_sec; tm.tm_min = s->rtc.new.tm_min; tm.tm_hour = s->rtc.new.tm_hour; tm.tm_mday = s->rtc.new.tm_mday; tm.tm_mon = s->rtc.new.tm_mon; tm.tm_year = s->rtc.new.tm_year; break; rtc_badness: default: fprintf(stderr, "%s: bad RTC_UPDATE value %02x\n", __func__, value); s->status |= 1 << 10; /* RTCERR */ menelaus_update(s); } s->rtc.sec_offset = qemu_timedate_diff(&tm); break; case MENELAUS_RTC_SEC: s->rtc.tm.tm_sec = from_bcd(value & 0x7f); break; case MENELAUS_RTC_MIN: s->rtc.tm.tm_min = from_bcd(value & 0x7f); break; case MENELAUS_RTC_HR: s->rtc.tm.tm_hour = (s->rtc.ctrl & (1 << 2)) ? /* MODE12_n24 */ MIN(from_bcd(value & 0x3f), 12) + ((value >> 7) ? 11 : -1) : from_bcd(value & 0x3f); break; case MENELAUS_RTC_DAY: s->rtc.tm.tm_mday = from_bcd(value); break; case MENELAUS_RTC_MON: s->rtc.tm.tm_mon = MAX(1, from_bcd(value)) - 1; break; case MENELAUS_RTC_YR: s->rtc.tm.tm_year = 2000 + from_bcd(value); break; case MENELAUS_RTC_WKDAY: s->rtc.tm.tm_mday = from_bcd(value); break; case MENELAUS_RTC_AL_SEC: s->rtc.alm.tm_sec = from_bcd(value & 0x7f); menelaus_alm_update(s); break; case MENELAUS_RTC_AL_MIN: s->rtc.alm.tm_min = from_bcd(value & 0x7f); menelaus_alm_update(s); break; case MENELAUS_RTC_AL_HR: s->rtc.alm.tm_hour = (s->rtc.ctrl & (1 << 2)) ? /* MODE12_n24 */ MIN(from_bcd(value & 0x3f), 12) + ((value >> 7) ? 11 : -1) : from_bcd(value & 0x3f); menelaus_alm_update(s); break; case MENELAUS_RTC_AL_DAY: s->rtc.alm.tm_mday = from_bcd(value); menelaus_alm_update(s); break; case MENELAUS_RTC_AL_MON: s->rtc.alm.tm_mon = MAX(1, from_bcd(value)) - 1; menelaus_alm_update(s); break; case MENELAUS_RTC_AL_YR: s->rtc.alm.tm_year = 2000 + from_bcd(value); menelaus_alm_update(s); break; case MENELAUS_RTC_COMP_MSB: s->rtc.comp &= 0xff; s->rtc.comp |= value << 8; break; case MENELAUS_RTC_COMP_LSB: s->rtc.comp &= 0xff << 8; s->rtc.comp |= value; break; case MENELAUS_S1_PULL_EN: s->pull[0] = value; break; case MENELAUS_S1_PULL_DIR: s->pull[1] = value & 0x1f; break; case MENELAUS_S2_PULL_EN: s->pull[2] = value; break; case MENELAUS_S2_PULL_DIR: s->pull[3] = value & 0x1f; break; case MENELAUS_MCT_CTRL1: s->mmc_ctrl[0] = value & 0x7f; break; case MENELAUS_MCT_CTRL2: s->mmc_ctrl[1] = value; /* TODO update Card Detect interrupts */ break; case MENELAUS_MCT_CTRL3: s->mmc_ctrl[2] = value & 0xf; break; case MENELAUS_DEBOUNCE1: s->mmc_debounce = value & 0x3f; break; default: #ifdef VERBOSE printf("%s: unknown register %02x\n", __func__, addr); #endif } } static int menelaus_event(I2CSlave *i2c, enum i2c_event event) { MenelausState *s = TWL92230(i2c); if (event == I2C_START_SEND) s->firstbyte = 1; return 0; } static int menelaus_tx(I2CSlave *i2c, uint8_t data) { MenelausState *s = TWL92230(i2c); /* Interpret register address byte */ if (s->firstbyte) { s->reg = data; s->firstbyte = 0; } else menelaus_write(s, s->reg ++, data); return 0; } static uint8_t menelaus_rx(I2CSlave *i2c) { MenelausState *s = TWL92230(i2c); return menelaus_read(s, s->reg ++); } /* Save restore 32 bit int as uint16_t This is a Big hack, but it is how the old state did it. Or we broke compatibility in the state, or we can't use struct tm */ static int get_int32_as_uint16(QEMUFile *f, void *pv, size_t size, const VMStateField *field) { int *v = pv; *v = qemu_get_be16(f); return 0; } static int put_int32_as_uint16(QEMUFile *f, void *pv, size_t size, const VMStateField *field, QJSON *vmdesc) { int *v = pv; qemu_put_be16(f, *v); return 0; } static const VMStateInfo vmstate_hack_int32_as_uint16 = { .name = "int32_as_uint16", .get = get_int32_as_uint16, .put = put_int32_as_uint16, }; #define VMSTATE_UINT16_HACK(_f, _s) \ VMSTATE_SINGLE(_f, _s, 0, vmstate_hack_int32_as_uint16, int32_t) static const VMStateDescription vmstate_menelaus_tm = { .name = "menelaus_tm", .version_id = 0, .minimum_version_id = 0, .fields = (VMStateField[]) { VMSTATE_UINT16_HACK(tm_sec, struct tm), VMSTATE_UINT16_HACK(tm_min, struct tm), VMSTATE_UINT16_HACK(tm_hour, struct tm), VMSTATE_UINT16_HACK(tm_mday, struct tm), VMSTATE_UINT16_HACK(tm_min, struct tm), VMSTATE_UINT16_HACK(tm_year, struct tm), VMSTATE_END_OF_LIST() } }; static int menelaus_pre_save(void *opaque) { MenelausState *s = opaque; /* Should be <= 1000 */ s->rtc_next_vmstate = s->rtc.next - qemu_clock_get_ms(rtc_clock); return 0; } static int menelaus_post_load(void *opaque, int version_id) { MenelausState *s = opaque; if (s->rtc.ctrl & 1) /* RTC_EN */ menelaus_rtc_stop(s); s->rtc.next = s->rtc_next_vmstate; menelaus_alm_update(s); menelaus_update(s); if (s->rtc.ctrl & 1) /* RTC_EN */ menelaus_rtc_start(s); return 0; } static const VMStateDescription vmstate_menelaus = { .name = "menelaus", .version_id = 0, .minimum_version_id = 0, .pre_save = menelaus_pre_save, .post_load = menelaus_post_load, .fields = (VMStateField[]) { VMSTATE_INT32(firstbyte, MenelausState), VMSTATE_UINT8(reg, MenelausState), VMSTATE_UINT8_ARRAY(vcore, MenelausState, 5), VMSTATE_UINT8_ARRAY(dcdc, MenelausState, 3), VMSTATE_UINT8_ARRAY(ldo, MenelausState, 8), VMSTATE_UINT8_ARRAY(sleep, MenelausState, 2), VMSTATE_UINT8(osc, MenelausState), VMSTATE_UINT8(detect, MenelausState), VMSTATE_UINT16(mask, MenelausState), VMSTATE_UINT16(status, MenelausState), VMSTATE_UINT8(dir, MenelausState), VMSTATE_UINT8(inputs, MenelausState), VMSTATE_UINT8(outputs, MenelausState), VMSTATE_UINT8(bbsms, MenelausState), VMSTATE_UINT8_ARRAY(pull, MenelausState, 4), VMSTATE_UINT8_ARRAY(mmc_ctrl, MenelausState, 3), VMSTATE_UINT8(mmc_debounce, MenelausState), VMSTATE_UINT8(rtc.ctrl, MenelausState), VMSTATE_UINT16(rtc.comp, MenelausState), VMSTATE_UINT16(rtc_next_vmstate, MenelausState), VMSTATE_STRUCT(rtc.new, MenelausState, 0, vmstate_menelaus_tm, struct tm), VMSTATE_STRUCT(rtc.alm, MenelausState, 0, vmstate_menelaus_tm, struct tm), VMSTATE_UINT8(pwrbtn_state, MenelausState), VMSTATE_I2C_SLAVE(parent_obj, MenelausState), VMSTATE_END_OF_LIST() } }; static void twl92230_realize(DeviceState *dev, Error **errp) { MenelausState *s = TWL92230(dev); s->rtc.hz_tm = timer_new_ms(rtc_clock, menelaus_rtc_hz, s); /* Three output pins plus one interrupt pin. */ qdev_init_gpio_out(dev, s->out, 4); /* Three input pins plus one power-button pin. */ qdev_init_gpio_in(dev, menelaus_gpio_set, 4); menelaus_reset(I2C_SLAVE(dev)); } static void twl92230_class_init(ObjectClass *klass, void *data) { DeviceClass *dc = DEVICE_CLASS(klass); I2CSlaveClass *sc = I2C_SLAVE_CLASS(klass); dc->realize = twl92230_realize; sc->event = menelaus_event; sc->recv = menelaus_rx; sc->send = menelaus_tx; dc->vmsd = &vmstate_menelaus; } static const TypeInfo twl92230_info = { .name = TYPE_TWL92230, .parent = TYPE_I2C_SLAVE, .instance_size = sizeof(MenelausState), .class_init = twl92230_class_init, }; static void twl92230_register_types(void) { type_register_static(&twl92230_info); } type_init(twl92230_register_types)