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/*
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* TI TWL92230C energy-management companion device for the OMAP24xx.
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* Aka. Menelaus (N4200 MENELAUS1_V2.2)
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*
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* Copyright (C) 2008 Nokia Corporation
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* Written by Andrzej Zaborowski <andrew@openedhand.com>
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation; either version 2 or
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* (at your option) version 3 of the License.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, see <http://www.gnu.org/licenses/>.
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*/
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#include "hw.h" |
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#include "qemu-timer.h" |
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#include "i2c.h" |
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#include "console.h" |
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|
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#define VERBOSE 1 |
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typedef struct { |
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I2CSlave i2c; |
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int firstbyte;
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uint8_t reg; |
34 |
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uint8_t vcore[5];
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uint8_t dcdc[3];
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uint8_t ldo[8];
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uint8_t sleep[2];
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uint8_t osc; |
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uint8_t detect; |
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uint16_t mask; |
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uint16_t status; |
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uint8_t dir; |
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uint8_t inputs; |
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uint8_t outputs; |
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uint8_t bbsms; |
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uint8_t pull[4];
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uint8_t mmc_ctrl[3];
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uint8_t mmc_debounce; |
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struct {
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uint8_t ctrl; |
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uint16_t comp; |
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QEMUTimer *hz_tm; |
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int64_t next; |
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struct tm tm;
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struct tm new;
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struct tm alm;
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int sec_offset;
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int alm_sec;
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int next_comp;
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} rtc; |
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uint16_t rtc_next_vmstate; |
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qemu_irq out[4];
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uint8_t pwrbtn_state; |
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} MenelausState; |
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static inline void menelaus_update(MenelausState *s) |
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{ |
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qemu_set_irq(s->out[3], s->status & ~s->mask);
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} |
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static inline void menelaus_rtc_start(MenelausState *s) |
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{ |
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s->rtc.next += qemu_get_clock_ms(rt_clock); |
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qemu_mod_timer(s->rtc.hz_tm, s->rtc.next); |
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} |
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static inline void menelaus_rtc_stop(MenelausState *s) |
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{ |
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qemu_del_timer(s->rtc.hz_tm); |
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s->rtc.next -= qemu_get_clock_ms(rt_clock); |
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if (s->rtc.next < 1) |
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s->rtc.next = 1;
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} |
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static void menelaus_rtc_update(MenelausState *s) |
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{ |
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qemu_get_timedate(&s->rtc.tm, s->rtc.sec_offset); |
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} |
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static void menelaus_alm_update(MenelausState *s) |
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{ |
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if ((s->rtc.ctrl & 3) == 3) |
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s->rtc.alm_sec = qemu_timedate_diff(&s->rtc.alm) - s->rtc.sec_offset; |
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} |
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static void menelaus_rtc_hz(void *opaque) |
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{ |
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MenelausState *s = (MenelausState *) opaque; |
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|
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s->rtc.next_comp --; |
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s->rtc.alm_sec --; |
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s->rtc.next += 1000;
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qemu_mod_timer(s->rtc.hz_tm, s->rtc.next); |
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if ((s->rtc.ctrl >> 3) & 3) { /* EVERY */ |
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menelaus_rtc_update(s); |
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if (((s->rtc.ctrl >> 3) & 3) == 1 && !s->rtc.tm.tm_sec) |
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s->status |= 1 << 8; /* RTCTMR */ |
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else if (((s->rtc.ctrl >> 3) & 3) == 2 && !s->rtc.tm.tm_min) |
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s->status |= 1 << 8; /* RTCTMR */ |
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else if (!s->rtc.tm.tm_hour) |
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s->status |= 1 << 8; /* RTCTMR */ |
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} else
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s->status |= 1 << 8; /* RTCTMR */ |
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if ((s->rtc.ctrl >> 1) & 1) { /* RTC_AL_EN */ |
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if (s->rtc.alm_sec == 0) |
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s->status |= 1 << 9; /* RTCALM */ |
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/* TODO: wake-up */
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} |
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if (s->rtc.next_comp <= 0) { |
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s->rtc.next -= muldiv64((int16_t) s->rtc.comp, 1000, 0x8000); |
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s->rtc.next_comp = 3600;
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} |
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menelaus_update(s); |
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} |
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static void menelaus_reset(I2CSlave *i2c) |
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{ |
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MenelausState *s = (MenelausState *) i2c; |
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s->reg = 0x00;
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s->vcore[0] = 0x0c; /* XXX: X-loader needs 0x8c? check! */ |
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s->vcore[1] = 0x05; |
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s->vcore[2] = 0x02; |
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s->vcore[3] = 0x0c; |
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s->vcore[4] = 0x03; |
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s->dcdc[0] = 0x33; /* Depends on wiring */ |
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s->dcdc[1] = 0x03; |
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s->dcdc[2] = 0x00; |
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s->ldo[0] = 0x95; |
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s->ldo[1] = 0x7e; |
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s->ldo[2] = 0x00; |
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s->ldo[3] = 0x00; /* Depends on wiring */ |
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s->ldo[4] = 0x03; /* Depends on wiring */ |
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s->ldo[5] = 0x00; |
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s->ldo[6] = 0x00; |
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s->ldo[7] = 0x00; |
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s->sleep[0] = 0x00; |
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s->sleep[1] = 0x00; |
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s->osc = 0x01;
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s->detect = 0x09;
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s->mask = 0x0fff;
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s->status = 0;
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s->dir = 0x07;
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s->outputs = 0x00;
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s->bbsms = 0x00;
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s->pull[0] = 0x00; |
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s->pull[1] = 0x00; |
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s->pull[2] = 0x00; |
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s->pull[3] = 0x00; |
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s->mmc_ctrl[0] = 0x03; |
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s->mmc_ctrl[1] = 0xc0; |
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s->mmc_ctrl[2] = 0x00; |
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s->mmc_debounce = 0x05;
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if (s->rtc.ctrl & 1) |
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menelaus_rtc_stop(s); |
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s->rtc.ctrl = 0x00;
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s->rtc.comp = 0x0000;
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s->rtc.next = 1000;
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s->rtc.sec_offset = 0;
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s->rtc.next_comp = 1800;
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s->rtc.alm_sec = 1800;
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s->rtc.alm.tm_sec = 0x00;
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s->rtc.alm.tm_min = 0x00;
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s->rtc.alm.tm_hour = 0x00;
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s->rtc.alm.tm_mday = 0x01;
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s->rtc.alm.tm_mon = 0x00;
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s->rtc.alm.tm_year = 2004;
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menelaus_update(s); |
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} |
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static void menelaus_gpio_set(void *opaque, int line, int level) |
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{ |
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MenelausState *s = (MenelausState *) opaque; |
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if (line < 3) { |
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/* No interrupt generated */
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s->inputs &= ~(1 << line);
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s->inputs |= level << line; |
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return;
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} |
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if (!s->pwrbtn_state && level) {
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s->status |= 1 << 11; /* PSHBTN */ |
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menelaus_update(s); |
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} |
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s->pwrbtn_state = level; |
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} |
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|
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#define MENELAUS_REV 0x01 |
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#define MENELAUS_VCORE_CTRL1 0x02 |
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#define MENELAUS_VCORE_CTRL2 0x03 |
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#define MENELAUS_VCORE_CTRL3 0x04 |
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#define MENELAUS_VCORE_CTRL4 0x05 |
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#define MENELAUS_VCORE_CTRL5 0x06 |
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#define MENELAUS_DCDC_CTRL1 0x07 |
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#define MENELAUS_DCDC_CTRL2 0x08 |
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#define MENELAUS_DCDC_CTRL3 0x09 |
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#define MENELAUS_LDO_CTRL1 0x0a |
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#define MENELAUS_LDO_CTRL2 0x0b |
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#define MENELAUS_LDO_CTRL3 0x0c |
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#define MENELAUS_LDO_CTRL4 0x0d |
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#define MENELAUS_LDO_CTRL5 0x0e |
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#define MENELAUS_LDO_CTRL6 0x0f |
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#define MENELAUS_LDO_CTRL7 0x10 |
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#define MENELAUS_LDO_CTRL8 0x11 |
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#define MENELAUS_SLEEP_CTRL1 0x12 |
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#define MENELAUS_SLEEP_CTRL2 0x13 |
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#define MENELAUS_DEVICE_OFF 0x14 |
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#define MENELAUS_OSC_CTRL 0x15 |
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#define MENELAUS_DETECT_CTRL 0x16 |
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#define MENELAUS_INT_MASK1 0x17 |
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#define MENELAUS_INT_MASK2 0x18 |
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#define MENELAUS_INT_STATUS1 0x19 |
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#define MENELAUS_INT_STATUS2 0x1a |
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#define MENELAUS_INT_ACK1 0x1b |
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#define MENELAUS_INT_ACK2 0x1c |
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#define MENELAUS_GPIO_CTRL 0x1d |
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#define MENELAUS_GPIO_IN 0x1e |
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#define MENELAUS_GPIO_OUT 0x1f |
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#define MENELAUS_BBSMS 0x20 |
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#define MENELAUS_RTC_CTRL 0x21 |
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#define MENELAUS_RTC_UPDATE 0x22 |
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#define MENELAUS_RTC_SEC 0x23 |
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#define MENELAUS_RTC_MIN 0x24 |
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#define MENELAUS_RTC_HR 0x25 |
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#define MENELAUS_RTC_DAY 0x26 |
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#define MENELAUS_RTC_MON 0x27 |
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#define MENELAUS_RTC_YR 0x28 |
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#define MENELAUS_RTC_WKDAY 0x29 |
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#define MENELAUS_RTC_AL_SEC 0x2a |
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#define MENELAUS_RTC_AL_MIN 0x2b |
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#define MENELAUS_RTC_AL_HR 0x2c |
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#define MENELAUS_RTC_AL_DAY 0x2d |
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#define MENELAUS_RTC_AL_MON 0x2e |
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#define MENELAUS_RTC_AL_YR 0x2f |
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#define MENELAUS_RTC_COMP_MSB 0x30 |
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#define MENELAUS_RTC_COMP_LSB 0x31 |
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#define MENELAUS_S1_PULL_EN 0x32 |
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#define MENELAUS_S1_PULL_DIR 0x33 |
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#define MENELAUS_S2_PULL_EN 0x34 |
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#define MENELAUS_S2_PULL_DIR 0x35 |
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#define MENELAUS_MCT_CTRL1 0x36 |
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#define MENELAUS_MCT_CTRL2 0x37 |
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#define MENELAUS_MCT_CTRL3 0x38 |
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#define MENELAUS_MCT_PIN_ST 0x39 |
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#define MENELAUS_DEBOUNCE1 0x3a |
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|
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static uint8_t menelaus_read(void *opaque, uint8_t addr) |
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{ |
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MenelausState *s = (MenelausState *) opaque; |
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int reg = 0; |
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switch (addr) {
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case MENELAUS_REV:
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return 0x22; |
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case MENELAUS_VCORE_CTRL5: reg ++;
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case MENELAUS_VCORE_CTRL4: reg ++;
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case MENELAUS_VCORE_CTRL3: reg ++;
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case MENELAUS_VCORE_CTRL2: reg ++;
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case MENELAUS_VCORE_CTRL1:
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return s->vcore[reg];
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case MENELAUS_DCDC_CTRL3: reg ++;
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case MENELAUS_DCDC_CTRL2: reg ++;
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case MENELAUS_DCDC_CTRL1:
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return s->dcdc[reg];
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case MENELAUS_LDO_CTRL8: reg ++;
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case MENELAUS_LDO_CTRL7: reg ++;
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case MENELAUS_LDO_CTRL6: reg ++;
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case MENELAUS_LDO_CTRL5: reg ++;
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case MENELAUS_LDO_CTRL4: reg ++;
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case MENELAUS_LDO_CTRL3: reg ++;
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case MENELAUS_LDO_CTRL2: reg ++;
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case MENELAUS_LDO_CTRL1:
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return s->ldo[reg];
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case MENELAUS_SLEEP_CTRL2: reg ++;
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case MENELAUS_SLEEP_CTRL1:
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return s->sleep[reg];
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|
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case MENELAUS_DEVICE_OFF:
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return 0; |
297 |
|
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case MENELAUS_OSC_CTRL:
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return s->osc | (1 << 7); /* CLK32K_GOOD */ |
300 |
|
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case MENELAUS_DETECT_CTRL:
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return s->detect;
|
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|
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case MENELAUS_INT_MASK1:
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return (s->mask >> 0) & 0xff; |
306 |
case MENELAUS_INT_MASK2:
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return (s->mask >> 8) & 0xff; |
308 |
|
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case MENELAUS_INT_STATUS1:
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return (s->status >> 0) & 0xff; |
311 |
case MENELAUS_INT_STATUS2:
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return (s->status >> 8) & 0xff; |
313 |
|
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case MENELAUS_INT_ACK1:
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case MENELAUS_INT_ACK2:
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return 0; |
317 |
|
318 |
case MENELAUS_GPIO_CTRL:
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return s->dir;
|
320 |
case MENELAUS_GPIO_IN:
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return s->inputs | (~s->dir & s->outputs);
|
322 |
case MENELAUS_GPIO_OUT:
|
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return s->outputs;
|
324 |
|
325 |
case MENELAUS_BBSMS:
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return s->bbsms;
|
327 |
|
328 |
case MENELAUS_RTC_CTRL:
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return s->rtc.ctrl;
|
330 |
case MENELAUS_RTC_UPDATE:
|
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return 0x00; |
332 |
case MENELAUS_RTC_SEC:
|
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menelaus_rtc_update(s); |
334 |
return to_bcd(s->rtc.tm.tm_sec);
|
335 |
case MENELAUS_RTC_MIN:
|
336 |
menelaus_rtc_update(s); |
337 |
return to_bcd(s->rtc.tm.tm_min);
|
338 |
case MENELAUS_RTC_HR:
|
339 |
menelaus_rtc_update(s); |
340 |
if ((s->rtc.ctrl >> 2) & 1) /* MODE12_n24 */ |
341 |
return to_bcd((s->rtc.tm.tm_hour % 12) + 1) | |
342 |
(!!(s->rtc.tm.tm_hour >= 12) << 7); /* PM_nAM */ |
343 |
else
|
344 |
return to_bcd(s->rtc.tm.tm_hour);
|
345 |
case MENELAUS_RTC_DAY:
|
346 |
menelaus_rtc_update(s); |
347 |
return to_bcd(s->rtc.tm.tm_mday);
|
348 |
case MENELAUS_RTC_MON:
|
349 |
menelaus_rtc_update(s); |
350 |
return to_bcd(s->rtc.tm.tm_mon + 1); |
351 |
case MENELAUS_RTC_YR:
|
352 |
menelaus_rtc_update(s); |
353 |
return to_bcd(s->rtc.tm.tm_year - 2000); |
354 |
case MENELAUS_RTC_WKDAY:
|
355 |
menelaus_rtc_update(s); |
356 |
return to_bcd(s->rtc.tm.tm_wday);
|
357 |
case MENELAUS_RTC_AL_SEC:
|
358 |
return to_bcd(s->rtc.alm.tm_sec);
|
359 |
case MENELAUS_RTC_AL_MIN:
|
360 |
return to_bcd(s->rtc.alm.tm_min);
|
361 |
case MENELAUS_RTC_AL_HR:
|
362 |
if ((s->rtc.ctrl >> 2) & 1) /* MODE12_n24 */ |
363 |
return to_bcd((s->rtc.alm.tm_hour % 12) + 1) | |
364 |
(!!(s->rtc.alm.tm_hour >= 12) << 7);/* AL_PM_nAM */ |
365 |
else
|
366 |
return to_bcd(s->rtc.alm.tm_hour);
|
367 |
case MENELAUS_RTC_AL_DAY:
|
368 |
return to_bcd(s->rtc.alm.tm_mday);
|
369 |
case MENELAUS_RTC_AL_MON:
|
370 |
return to_bcd(s->rtc.alm.tm_mon + 1); |
371 |
case MENELAUS_RTC_AL_YR:
|
372 |
return to_bcd(s->rtc.alm.tm_year - 2000); |
373 |
case MENELAUS_RTC_COMP_MSB:
|
374 |
return (s->rtc.comp >> 8) & 0xff; |
375 |
case MENELAUS_RTC_COMP_LSB:
|
376 |
return (s->rtc.comp >> 0) & 0xff; |
377 |
|
378 |
case MENELAUS_S1_PULL_EN:
|
379 |
return s->pull[0]; |
380 |
case MENELAUS_S1_PULL_DIR:
|
381 |
return s->pull[1]; |
382 |
case MENELAUS_S2_PULL_EN:
|
383 |
return s->pull[2]; |
384 |
case MENELAUS_S2_PULL_DIR:
|
385 |
return s->pull[3]; |
386 |
|
387 |
case MENELAUS_MCT_CTRL3: reg ++;
|
388 |
case MENELAUS_MCT_CTRL2: reg ++;
|
389 |
case MENELAUS_MCT_CTRL1:
|
390 |
return s->mmc_ctrl[reg];
|
391 |
case MENELAUS_MCT_PIN_ST:
|
392 |
/* TODO: return the real Card Detect */
|
393 |
return 0; |
394 |
case MENELAUS_DEBOUNCE1:
|
395 |
return s->mmc_debounce;
|
396 |
|
397 |
default:
|
398 |
#ifdef VERBOSE
|
399 |
printf("%s: unknown register %02x\n", __FUNCTION__, addr);
|
400 |
#endif
|
401 |
break;
|
402 |
} |
403 |
return 0; |
404 |
} |
405 |
|
406 |
static void menelaus_write(void *opaque, uint8_t addr, uint8_t value) |
407 |
{ |
408 |
MenelausState *s = (MenelausState *) opaque; |
409 |
int line;
|
410 |
int reg = 0; |
411 |
struct tm tm;
|
412 |
|
413 |
switch (addr) {
|
414 |
case MENELAUS_VCORE_CTRL1:
|
415 |
s->vcore[0] = (value & 0xe) | MIN(value & 0x1f, 0x12); |
416 |
break;
|
417 |
case MENELAUS_VCORE_CTRL2:
|
418 |
s->vcore[1] = value;
|
419 |
break;
|
420 |
case MENELAUS_VCORE_CTRL3:
|
421 |
s->vcore[2] = MIN(value & 0x1f, 0x12); |
422 |
break;
|
423 |
case MENELAUS_VCORE_CTRL4:
|
424 |
s->vcore[3] = MIN(value & 0x1f, 0x12); |
425 |
break;
|
426 |
case MENELAUS_VCORE_CTRL5:
|
427 |
s->vcore[4] = value & 3; |
428 |
/* XXX
|
429 |
* auto set to 3 on M_Active, nRESWARM
|
430 |
* auto set to 0 on M_WaitOn, M_Backup
|
431 |
*/
|
432 |
break;
|
433 |
|
434 |
case MENELAUS_DCDC_CTRL1:
|
435 |
s->dcdc[0] = value & 0x3f; |
436 |
break;
|
437 |
case MENELAUS_DCDC_CTRL2:
|
438 |
s->dcdc[1] = value & 0x07; |
439 |
/* XXX
|
440 |
* auto set to 3 on M_Active, nRESWARM
|
441 |
* auto set to 0 on M_WaitOn, M_Backup
|
442 |
*/
|
443 |
break;
|
444 |
case MENELAUS_DCDC_CTRL3:
|
445 |
s->dcdc[2] = value & 0x07; |
446 |
break;
|
447 |
|
448 |
case MENELAUS_LDO_CTRL1:
|
449 |
s->ldo[0] = value;
|
450 |
break;
|
451 |
case MENELAUS_LDO_CTRL2:
|
452 |
s->ldo[1] = value & 0x7f; |
453 |
/* XXX
|
454 |
* auto set to 0x7e on M_WaitOn, M_Backup
|
455 |
*/
|
456 |
break;
|
457 |
case MENELAUS_LDO_CTRL3:
|
458 |
s->ldo[2] = value & 3; |
459 |
/* XXX
|
460 |
* auto set to 3 on M_Active, nRESWARM
|
461 |
* auto set to 0 on M_WaitOn, M_Backup
|
462 |
*/
|
463 |
break;
|
464 |
case MENELAUS_LDO_CTRL4:
|
465 |
s->ldo[3] = value & 3; |
466 |
/* XXX
|
467 |
* auto set to 3 on M_Active, nRESWARM
|
468 |
* auto set to 0 on M_WaitOn, M_Backup
|
469 |
*/
|
470 |
break;
|
471 |
case MENELAUS_LDO_CTRL5:
|
472 |
s->ldo[4] = value & 3; |
473 |
/* XXX
|
474 |
* auto set to 3 on M_Active, nRESWARM
|
475 |
* auto set to 0 on M_WaitOn, M_Backup
|
476 |
*/
|
477 |
break;
|
478 |
case MENELAUS_LDO_CTRL6:
|
479 |
s->ldo[5] = value & 3; |
480 |
break;
|
481 |
case MENELAUS_LDO_CTRL7:
|
482 |
s->ldo[6] = value & 3; |
483 |
break;
|
484 |
case MENELAUS_LDO_CTRL8:
|
485 |
s->ldo[7] = value & 3; |
486 |
break;
|
487 |
|
488 |
case MENELAUS_SLEEP_CTRL2: reg ++;
|
489 |
case MENELAUS_SLEEP_CTRL1:
|
490 |
s->sleep[reg] = value; |
491 |
break;
|
492 |
|
493 |
case MENELAUS_DEVICE_OFF:
|
494 |
if (value & 1) |
495 |
menelaus_reset(&s->i2c); |
496 |
break;
|
497 |
|
498 |
case MENELAUS_OSC_CTRL:
|
499 |
s->osc = value & 7;
|
500 |
break;
|
501 |
|
502 |
case MENELAUS_DETECT_CTRL:
|
503 |
s->detect = value & 0x7f;
|
504 |
break;
|
505 |
|
506 |
case MENELAUS_INT_MASK1:
|
507 |
s->mask &= 0xf00;
|
508 |
s->mask |= value << 0;
|
509 |
menelaus_update(s); |
510 |
break;
|
511 |
case MENELAUS_INT_MASK2:
|
512 |
s->mask &= 0x0ff;
|
513 |
s->mask |= value << 8;
|
514 |
menelaus_update(s); |
515 |
break;
|
516 |
|
517 |
case MENELAUS_INT_ACK1:
|
518 |
s->status &= ~(((uint16_t) value) << 0);
|
519 |
menelaus_update(s); |
520 |
break;
|
521 |
case MENELAUS_INT_ACK2:
|
522 |
s->status &= ~(((uint16_t) value) << 8);
|
523 |
menelaus_update(s); |
524 |
break;
|
525 |
|
526 |
case MENELAUS_GPIO_CTRL:
|
527 |
for (line = 0; line < 3; line ++) { |
528 |
if (((s->dir ^ value) >> line) & 1) { |
529 |
qemu_set_irq(s->out[line], |
530 |
((s->outputs & ~s->dir) >> line) & 1);
|
531 |
} |
532 |
} |
533 |
s->dir = value & 0x67;
|
534 |
break;
|
535 |
case MENELAUS_GPIO_OUT:
|
536 |
for (line = 0; line < 3; line ++) { |
537 |
if ((((s->outputs ^ value) & ~s->dir) >> line) & 1) { |
538 |
qemu_set_irq(s->out[line], (s->outputs >> line) & 1);
|
539 |
} |
540 |
} |
541 |
s->outputs = value & 0x07;
|
542 |
break;
|
543 |
|
544 |
case MENELAUS_BBSMS:
|
545 |
s->bbsms = 0x0d;
|
546 |
break;
|
547 |
|
548 |
case MENELAUS_RTC_CTRL:
|
549 |
if ((s->rtc.ctrl ^ value) & 1) { /* RTC_EN */ |
550 |
if (value & 1) |
551 |
menelaus_rtc_start(s); |
552 |
else
|
553 |
menelaus_rtc_stop(s); |
554 |
} |
555 |
s->rtc.ctrl = value & 0x1f;
|
556 |
menelaus_alm_update(s); |
557 |
break;
|
558 |
case MENELAUS_RTC_UPDATE:
|
559 |
menelaus_rtc_update(s); |
560 |
memcpy(&tm, &s->rtc.tm, sizeof(tm));
|
561 |
switch (value & 0xf) { |
562 |
case 0: |
563 |
break;
|
564 |
case 1: |
565 |
tm.tm_sec = s->rtc.new.tm_sec; |
566 |
break;
|
567 |
case 2: |
568 |
tm.tm_min = s->rtc.new.tm_min; |
569 |
break;
|
570 |
case 3: |
571 |
if (s->rtc.new.tm_hour > 23) |
572 |
goto rtc_badness;
|
573 |
tm.tm_hour = s->rtc.new.tm_hour; |
574 |
break;
|
575 |
case 4: |
576 |
if (s->rtc.new.tm_mday < 1) |
577 |
goto rtc_badness;
|
578 |
/* TODO check range */
|
579 |
tm.tm_mday = s->rtc.new.tm_mday; |
580 |
break;
|
581 |
case 5: |
582 |
if (s->rtc.new.tm_mon < 0 || s->rtc.new.tm_mon > 11) |
583 |
goto rtc_badness;
|
584 |
tm.tm_mon = s->rtc.new.tm_mon; |
585 |
break;
|
586 |
case 6: |
587 |
tm.tm_year = s->rtc.new.tm_year; |
588 |
break;
|
589 |
case 7: |
590 |
/* TODO set .tm_mday instead */
|
591 |
tm.tm_wday = s->rtc.new.tm_wday; |
592 |
break;
|
593 |
case 8: |
594 |
if (s->rtc.new.tm_hour > 23) |
595 |
goto rtc_badness;
|
596 |
if (s->rtc.new.tm_mday < 1) |
597 |
goto rtc_badness;
|
598 |
if (s->rtc.new.tm_mon < 0 || s->rtc.new.tm_mon > 11) |
599 |
goto rtc_badness;
|
600 |
tm.tm_sec = s->rtc.new.tm_sec; |
601 |
tm.tm_min = s->rtc.new.tm_min; |
602 |
tm.tm_hour = s->rtc.new.tm_hour; |
603 |
tm.tm_mday = s->rtc.new.tm_mday; |
604 |
tm.tm_mon = s->rtc.new.tm_mon; |
605 |
tm.tm_year = s->rtc.new.tm_year; |
606 |
break;
|
607 |
rtc_badness:
|
608 |
default:
|
609 |
fprintf(stderr, "%s: bad RTC_UPDATE value %02x\n",
|
610 |
__FUNCTION__, value); |
611 |
s->status |= 1 << 10; /* RTCERR */ |
612 |
menelaus_update(s); |
613 |
} |
614 |
s->rtc.sec_offset = qemu_timedate_diff(&tm); |
615 |
break;
|
616 |
case MENELAUS_RTC_SEC:
|
617 |
s->rtc.tm.tm_sec = from_bcd(value & 0x7f);
|
618 |
break;
|
619 |
case MENELAUS_RTC_MIN:
|
620 |
s->rtc.tm.tm_min = from_bcd(value & 0x7f);
|
621 |
break;
|
622 |
case MENELAUS_RTC_HR:
|
623 |
s->rtc.tm.tm_hour = (s->rtc.ctrl & (1 << 2)) ? /* MODE12_n24 */ |
624 |
MIN(from_bcd(value & 0x3f), 12) + ((value >> 7) ? 11 : -1) : |
625 |
from_bcd(value & 0x3f);
|
626 |
break;
|
627 |
case MENELAUS_RTC_DAY:
|
628 |
s->rtc.tm.tm_mday = from_bcd(value); |
629 |
break;
|
630 |
case MENELAUS_RTC_MON:
|
631 |
s->rtc.tm.tm_mon = MAX(1, from_bcd(value)) - 1; |
632 |
break;
|
633 |
case MENELAUS_RTC_YR:
|
634 |
s->rtc.tm.tm_year = 2000 + from_bcd(value);
|
635 |
break;
|
636 |
case MENELAUS_RTC_WKDAY:
|
637 |
s->rtc.tm.tm_mday = from_bcd(value); |
638 |
break;
|
639 |
case MENELAUS_RTC_AL_SEC:
|
640 |
s->rtc.alm.tm_sec = from_bcd(value & 0x7f);
|
641 |
menelaus_alm_update(s); |
642 |
break;
|
643 |
case MENELAUS_RTC_AL_MIN:
|
644 |
s->rtc.alm.tm_min = from_bcd(value & 0x7f);
|
645 |
menelaus_alm_update(s); |
646 |
break;
|
647 |
case MENELAUS_RTC_AL_HR:
|
648 |
s->rtc.alm.tm_hour = (s->rtc.ctrl & (1 << 2)) ? /* MODE12_n24 */ |
649 |
MIN(from_bcd(value & 0x3f), 12) + ((value >> 7) ? 11 : -1) : |
650 |
from_bcd(value & 0x3f);
|
651 |
menelaus_alm_update(s); |
652 |
break;
|
653 |
case MENELAUS_RTC_AL_DAY:
|
654 |
s->rtc.alm.tm_mday = from_bcd(value); |
655 |
menelaus_alm_update(s); |
656 |
break;
|
657 |
case MENELAUS_RTC_AL_MON:
|
658 |
s->rtc.alm.tm_mon = MAX(1, from_bcd(value)) - 1; |
659 |
menelaus_alm_update(s); |
660 |
break;
|
661 |
case MENELAUS_RTC_AL_YR:
|
662 |
s->rtc.alm.tm_year = 2000 + from_bcd(value);
|
663 |
menelaus_alm_update(s); |
664 |
break;
|
665 |
case MENELAUS_RTC_COMP_MSB:
|
666 |
s->rtc.comp &= 0xff;
|
667 |
s->rtc.comp |= value << 8;
|
668 |
break;
|
669 |
case MENELAUS_RTC_COMP_LSB:
|
670 |
s->rtc.comp &= 0xff << 8; |
671 |
s->rtc.comp |= value; |
672 |
break;
|
673 |
|
674 |
case MENELAUS_S1_PULL_EN:
|
675 |
s->pull[0] = value;
|
676 |
break;
|
677 |
case MENELAUS_S1_PULL_DIR:
|
678 |
s->pull[1] = value & 0x1f; |
679 |
break;
|
680 |
case MENELAUS_S2_PULL_EN:
|
681 |
s->pull[2] = value;
|
682 |
break;
|
683 |
case MENELAUS_S2_PULL_DIR:
|
684 |
s->pull[3] = value & 0x1f; |
685 |
break;
|
686 |
|
687 |
case MENELAUS_MCT_CTRL1:
|
688 |
s->mmc_ctrl[0] = value & 0x7f; |
689 |
break;
|
690 |
case MENELAUS_MCT_CTRL2:
|
691 |
s->mmc_ctrl[1] = value;
|
692 |
/* TODO update Card Detect interrupts */
|
693 |
break;
|
694 |
case MENELAUS_MCT_CTRL3:
|
695 |
s->mmc_ctrl[2] = value & 0xf; |
696 |
break;
|
697 |
case MENELAUS_DEBOUNCE1:
|
698 |
s->mmc_debounce = value & 0x3f;
|
699 |
break;
|
700 |
|
701 |
default:
|
702 |
#ifdef VERBOSE
|
703 |
printf("%s: unknown register %02x\n", __FUNCTION__, addr);
|
704 |
#endif
|
705 |
} |
706 |
} |
707 |
|
708 |
static void menelaus_event(I2CSlave *i2c, enum i2c_event event) |
709 |
{ |
710 |
MenelausState *s = (MenelausState *) i2c; |
711 |
|
712 |
if (event == I2C_START_SEND)
|
713 |
s->firstbyte = 1;
|
714 |
} |
715 |
|
716 |
static int menelaus_tx(I2CSlave *i2c, uint8_t data) |
717 |
{ |
718 |
MenelausState *s = (MenelausState *) i2c; |
719 |
/* Interpret register address byte */
|
720 |
if (s->firstbyte) {
|
721 |
s->reg = data; |
722 |
s->firstbyte = 0;
|
723 |
} else
|
724 |
menelaus_write(s, s->reg ++, data); |
725 |
|
726 |
return 0; |
727 |
} |
728 |
|
729 |
static int menelaus_rx(I2CSlave *i2c) |
730 |
{ |
731 |
MenelausState *s = (MenelausState *) i2c; |
732 |
|
733 |
return menelaus_read(s, s->reg ++);
|
734 |
} |
735 |
|
736 |
/* Save restore 32 bit int as uint16_t
|
737 |
This is a Big hack, but it is how the old state did it.
|
738 |
Or we broke compatibility in the state, or we can't use struct tm
|
739 |
*/
|
740 |
|
741 |
static int get_int32_as_uint16(QEMUFile *f, void *pv, size_t size) |
742 |
{ |
743 |
int *v = pv;
|
744 |
*v = qemu_get_be16(f); |
745 |
return 0; |
746 |
} |
747 |
|
748 |
static void put_int32_as_uint16(QEMUFile *f, void *pv, size_t size) |
749 |
{ |
750 |
int *v = pv;
|
751 |
qemu_put_be16(f, *v); |
752 |
} |
753 |
|
754 |
static const VMStateInfo vmstate_hack_int32_as_uint16 = { |
755 |
.name = "int32_as_uint16",
|
756 |
.get = get_int32_as_uint16, |
757 |
.put = put_int32_as_uint16, |
758 |
}; |
759 |
|
760 |
#define VMSTATE_UINT16_HACK(_f, _s) \
|
761 |
VMSTATE_SINGLE(_f, _s, 0, vmstate_hack_int32_as_uint16, int32_t)
|
762 |
|
763 |
|
764 |
static const VMStateDescription vmstate_menelaus_tm = { |
765 |
.name = "menelaus_tm",
|
766 |
.version_id = 0,
|
767 |
.minimum_version_id = 0,
|
768 |
.minimum_version_id_old = 0,
|
769 |
.fields = (VMStateField []) { |
770 |
VMSTATE_UINT16_HACK(tm_sec, struct tm),
|
771 |
VMSTATE_UINT16_HACK(tm_min, struct tm),
|
772 |
VMSTATE_UINT16_HACK(tm_hour, struct tm),
|
773 |
VMSTATE_UINT16_HACK(tm_mday, struct tm),
|
774 |
VMSTATE_UINT16_HACK(tm_min, struct tm),
|
775 |
VMSTATE_UINT16_HACK(tm_year, struct tm),
|
776 |
VMSTATE_END_OF_LIST() |
777 |
} |
778 |
}; |
779 |
|
780 |
static void menelaus_pre_save(void *opaque) |
781 |
{ |
782 |
MenelausState *s = opaque; |
783 |
/* Should be <= 1000 */
|
784 |
s->rtc_next_vmstate = s->rtc.next - qemu_get_clock_ms(rt_clock); |
785 |
} |
786 |
|
787 |
static int menelaus_post_load(void *opaque, int version_id) |
788 |
{ |
789 |
MenelausState *s = opaque; |
790 |
|
791 |
if (s->rtc.ctrl & 1) /* RTC_EN */ |
792 |
menelaus_rtc_stop(s); |
793 |
|
794 |
s->rtc.next = s->rtc_next_vmstate; |
795 |
|
796 |
menelaus_alm_update(s); |
797 |
menelaus_update(s); |
798 |
if (s->rtc.ctrl & 1) /* RTC_EN */ |
799 |
menelaus_rtc_start(s); |
800 |
return 0; |
801 |
} |
802 |
|
803 |
static const VMStateDescription vmstate_menelaus = { |
804 |
.name = "menelaus",
|
805 |
.version_id = 0,
|
806 |
.minimum_version_id = 0,
|
807 |
.minimum_version_id_old = 0,
|
808 |
.pre_save = menelaus_pre_save, |
809 |
.post_load = menelaus_post_load, |
810 |
.fields = (VMStateField []) { |
811 |
VMSTATE_INT32(firstbyte, MenelausState), |
812 |
VMSTATE_UINT8(reg, MenelausState), |
813 |
VMSTATE_UINT8_ARRAY(vcore, MenelausState, 5),
|
814 |
VMSTATE_UINT8_ARRAY(dcdc, MenelausState, 3),
|
815 |
VMSTATE_UINT8_ARRAY(ldo, MenelausState, 8),
|
816 |
VMSTATE_UINT8_ARRAY(sleep, MenelausState, 2),
|
817 |
VMSTATE_UINT8(osc, MenelausState), |
818 |
VMSTATE_UINT8(detect, MenelausState), |
819 |
VMSTATE_UINT16(mask, MenelausState), |
820 |
VMSTATE_UINT16(status, MenelausState), |
821 |
VMSTATE_UINT8(dir, MenelausState), |
822 |
VMSTATE_UINT8(inputs, MenelausState), |
823 |
VMSTATE_UINT8(outputs, MenelausState), |
824 |
VMSTATE_UINT8(bbsms, MenelausState), |
825 |
VMSTATE_UINT8_ARRAY(pull, MenelausState, 4),
|
826 |
VMSTATE_UINT8_ARRAY(mmc_ctrl, MenelausState, 3),
|
827 |
VMSTATE_UINT8(mmc_debounce, MenelausState), |
828 |
VMSTATE_UINT8(rtc.ctrl, MenelausState), |
829 |
VMSTATE_UINT16(rtc.comp, MenelausState), |
830 |
VMSTATE_UINT16(rtc_next_vmstate, MenelausState), |
831 |
VMSTATE_STRUCT(rtc.new, MenelausState, 0, vmstate_menelaus_tm,
|
832 |
struct tm),
|
833 |
VMSTATE_STRUCT(rtc.alm, MenelausState, 0, vmstate_menelaus_tm,
|
834 |
struct tm),
|
835 |
VMSTATE_UINT8(pwrbtn_state, MenelausState), |
836 |
VMSTATE_I2C_SLAVE(i2c, MenelausState), |
837 |
VMSTATE_END_OF_LIST() |
838 |
} |
839 |
}; |
840 |
|
841 |
static int twl92230_init(I2CSlave *i2c) |
842 |
{ |
843 |
MenelausState *s = FROM_I2C_SLAVE(MenelausState, i2c); |
844 |
|
845 |
s->rtc.hz_tm = qemu_new_timer_ms(rt_clock, menelaus_rtc_hz, s); |
846 |
/* Three output pins plus one interrupt pin. */
|
847 |
qdev_init_gpio_out(&i2c->qdev, s->out, 4);
|
848 |
|
849 |
/* Three input pins plus one power-button pin. */
|
850 |
qdev_init_gpio_in(&i2c->qdev, menelaus_gpio_set, 4);
|
851 |
|
852 |
menelaus_reset(&s->i2c); |
853 |
|
854 |
return 0; |
855 |
} |
856 |
|
857 |
static void twl92230_class_init(ObjectClass *klass, void *data) |
858 |
{ |
859 |
DeviceClass *dc = DEVICE_CLASS(klass); |
860 |
I2CSlaveClass *sc = I2C_SLAVE_CLASS(klass); |
861 |
|
862 |
sc->init = twl92230_init; |
863 |
sc->event = menelaus_event; |
864 |
sc->recv = menelaus_rx; |
865 |
sc->send = menelaus_tx; |
866 |
dc->vmsd = &vmstate_menelaus; |
867 |
} |
868 |
|
869 |
static TypeInfo twl92230_info = {
|
870 |
.name = "twl92230",
|
871 |
.parent = TYPE_I2C_SLAVE, |
872 |
.instance_size = sizeof(MenelausState),
|
873 |
.class_init = twl92230_class_init, |
874 |
}; |
875 |
|
876 |
static void twl92230_register_types(void) |
877 |
{ |
878 |
type_register_static(&twl92230_info); |
879 |
} |
880 |
|
881 |
type_init(twl92230_register_types) |