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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 "sysemu.h" |
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#include "console.h" |
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|
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#define VERBOSE 1 |
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|
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typedef struct { |
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i2c_slave i2c; |
32 |
|
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int firstbyte;
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uint8_t reg; |
35 |
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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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qemu_irq *in; |
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uint8_t pwrbtn_state; |
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qemu_irq pwrbtn; |
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} MenelausState; |
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|
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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(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(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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|
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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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|
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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(i2c_slave *i2c) |
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{ |
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MenelausState *s = (MenelausState *) i2c; |
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s->reg = 0x00;
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|
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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 inline uint8_t to_bcd(int val) |
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{ |
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return ((val / 10) << 4) | (val % 10); |
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} |
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static inline int from_bcd(uint8_t val) |
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{ |
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return ((val >> 4) * 10) + (val & 0x0f); |
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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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/* No interrupt generated */
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s->inputs &= ~(1 << line);
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s->inputs |= level << line; |
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} |
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static void menelaus_pwrbtn_set(void *opaque, int line, int level) |
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{ |
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MenelausState *s = (MenelausState *) opaque; |
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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 |
256 |
#define MENELAUS_RTC_WKDAY 0x29 |
257 |
#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 |
274 |
|
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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; |
279 |
|
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switch (addr) {
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case MENELAUS_REV:
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return 0x22; |
283 |
|
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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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|
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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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|
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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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302 |
case MENELAUS_LDO_CTRL2: reg ++;
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case MENELAUS_LDO_CTRL1:
|
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return s->ldo[reg];
|
305 |
|
306 |
case MENELAUS_SLEEP_CTRL2: reg ++;
|
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case MENELAUS_SLEEP_CTRL1:
|
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return s->sleep[reg];
|
309 |
|
310 |
case MENELAUS_DEVICE_OFF:
|
311 |
return 0; |
312 |
|
313 |
case MENELAUS_OSC_CTRL:
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return s->osc | (1 << 7); /* CLK32K_GOOD */ |
315 |
|
316 |
case MENELAUS_DETECT_CTRL:
|
317 |
return s->detect;
|
318 |
|
319 |
case MENELAUS_INT_MASK1:
|
320 |
return (s->mask >> 0) & 0xff; |
321 |
case MENELAUS_INT_MASK2:
|
322 |
return (s->mask >> 8) & 0xff; |
323 |
|
324 |
case MENELAUS_INT_STATUS1:
|
325 |
return (s->status >> 0) & 0xff; |
326 |
case MENELAUS_INT_STATUS2:
|
327 |
return (s->status >> 8) & 0xff; |
328 |
|
329 |
case MENELAUS_INT_ACK1:
|
330 |
case MENELAUS_INT_ACK2:
|
331 |
return 0; |
332 |
|
333 |
case MENELAUS_GPIO_CTRL:
|
334 |
return s->dir;
|
335 |
case MENELAUS_GPIO_IN:
|
336 |
return s->inputs | (~s->dir & s->outputs);
|
337 |
case MENELAUS_GPIO_OUT:
|
338 |
return s->outputs;
|
339 |
|
340 |
case MENELAUS_BBSMS:
|
341 |
return s->bbsms;
|
342 |
|
343 |
case MENELAUS_RTC_CTRL:
|
344 |
return s->rtc.ctrl;
|
345 |
case MENELAUS_RTC_UPDATE:
|
346 |
return 0x00; |
347 |
case MENELAUS_RTC_SEC:
|
348 |
menelaus_rtc_update(s); |
349 |
return to_bcd(s->rtc.tm.tm_sec);
|
350 |
case MENELAUS_RTC_MIN:
|
351 |
menelaus_rtc_update(s); |
352 |
return to_bcd(s->rtc.tm.tm_min);
|
353 |
case MENELAUS_RTC_HR:
|
354 |
menelaus_rtc_update(s); |
355 |
if ((s->rtc.ctrl >> 2) & 1) /* MODE12_n24 */ |
356 |
return to_bcd((s->rtc.tm.tm_hour % 12) + 1) | |
357 |
(!!(s->rtc.tm.tm_hour >= 12) << 7); /* PM_nAM */ |
358 |
else
|
359 |
return to_bcd(s->rtc.tm.tm_hour);
|
360 |
case MENELAUS_RTC_DAY:
|
361 |
menelaus_rtc_update(s); |
362 |
return to_bcd(s->rtc.tm.tm_mday);
|
363 |
case MENELAUS_RTC_MON:
|
364 |
menelaus_rtc_update(s); |
365 |
return to_bcd(s->rtc.tm.tm_mon + 1); |
366 |
case MENELAUS_RTC_YR:
|
367 |
menelaus_rtc_update(s); |
368 |
return to_bcd(s->rtc.tm.tm_year - 2000); |
369 |
case MENELAUS_RTC_WKDAY:
|
370 |
menelaus_rtc_update(s); |
371 |
return to_bcd(s->rtc.tm.tm_wday);
|
372 |
case MENELAUS_RTC_AL_SEC:
|
373 |
return to_bcd(s->rtc.alm.tm_sec);
|
374 |
case MENELAUS_RTC_AL_MIN:
|
375 |
return to_bcd(s->rtc.alm.tm_min);
|
376 |
case MENELAUS_RTC_AL_HR:
|
377 |
if ((s->rtc.ctrl >> 2) & 1) /* MODE12_n24 */ |
378 |
return to_bcd((s->rtc.alm.tm_hour % 12) + 1) | |
379 |
(!!(s->rtc.alm.tm_hour >= 12) << 7);/* AL_PM_nAM */ |
380 |
else
|
381 |
return to_bcd(s->rtc.alm.tm_hour);
|
382 |
case MENELAUS_RTC_AL_DAY:
|
383 |
return to_bcd(s->rtc.alm.tm_mday);
|
384 |
case MENELAUS_RTC_AL_MON:
|
385 |
return to_bcd(s->rtc.alm.tm_mon + 1); |
386 |
case MENELAUS_RTC_AL_YR:
|
387 |
return to_bcd(s->rtc.alm.tm_year - 2000); |
388 |
case MENELAUS_RTC_COMP_MSB:
|
389 |
return (s->rtc.comp >> 8) & 0xff; |
390 |
case MENELAUS_RTC_COMP_LSB:
|
391 |
return (s->rtc.comp >> 0) & 0xff; |
392 |
|
393 |
case MENELAUS_S1_PULL_EN:
|
394 |
return s->pull[0]; |
395 |
case MENELAUS_S1_PULL_DIR:
|
396 |
return s->pull[1]; |
397 |
case MENELAUS_S2_PULL_EN:
|
398 |
return s->pull[2]; |
399 |
case MENELAUS_S2_PULL_DIR:
|
400 |
return s->pull[3]; |
401 |
|
402 |
case MENELAUS_MCT_CTRL3: reg ++;
|
403 |
case MENELAUS_MCT_CTRL2: reg ++;
|
404 |
case MENELAUS_MCT_CTRL1:
|
405 |
return s->mmc_ctrl[reg];
|
406 |
case MENELAUS_MCT_PIN_ST:
|
407 |
/* TODO: return the real Card Detect */
|
408 |
return 0; |
409 |
case MENELAUS_DEBOUNCE1:
|
410 |
return s->mmc_debounce;
|
411 |
|
412 |
default:
|
413 |
#ifdef VERBOSE
|
414 |
printf("%s: unknown register %02x\n", __FUNCTION__, addr);
|
415 |
#endif
|
416 |
break;
|
417 |
} |
418 |
return 0; |
419 |
} |
420 |
|
421 |
static void menelaus_write(void *opaque, uint8_t addr, uint8_t value) |
422 |
{ |
423 |
MenelausState *s = (MenelausState *) opaque; |
424 |
int line;
|
425 |
int reg = 0; |
426 |
struct tm tm;
|
427 |
|
428 |
switch (addr) {
|
429 |
case MENELAUS_VCORE_CTRL1:
|
430 |
s->vcore[0] = (value & 0xe) | MIN(value & 0x1f, 0x12); |
431 |
break;
|
432 |
case MENELAUS_VCORE_CTRL2:
|
433 |
s->vcore[1] = value;
|
434 |
break;
|
435 |
case MENELAUS_VCORE_CTRL3:
|
436 |
s->vcore[2] = MIN(value & 0x1f, 0x12); |
437 |
break;
|
438 |
case MENELAUS_VCORE_CTRL4:
|
439 |
s->vcore[3] = MIN(value & 0x1f, 0x12); |
440 |
break;
|
441 |
case MENELAUS_VCORE_CTRL5:
|
442 |
s->vcore[4] = value & 3; |
443 |
/* XXX
|
444 |
* auto set to 3 on M_Active, nRESWARM
|
445 |
* auto set to 0 on M_WaitOn, M_Backup
|
446 |
*/
|
447 |
break;
|
448 |
|
449 |
case MENELAUS_DCDC_CTRL1:
|
450 |
s->dcdc[0] = value & 0x3f; |
451 |
break;
|
452 |
case MENELAUS_DCDC_CTRL2:
|
453 |
s->dcdc[1] = value & 0x07; |
454 |
/* XXX
|
455 |
* auto set to 3 on M_Active, nRESWARM
|
456 |
* auto set to 0 on M_WaitOn, M_Backup
|
457 |
*/
|
458 |
break;
|
459 |
case MENELAUS_DCDC_CTRL3:
|
460 |
s->dcdc[2] = value & 0x07; |
461 |
break;
|
462 |
|
463 |
case MENELAUS_LDO_CTRL1:
|
464 |
s->ldo[0] = value;
|
465 |
break;
|
466 |
case MENELAUS_LDO_CTRL2:
|
467 |
s->ldo[1] = value & 0x7f; |
468 |
/* XXX
|
469 |
* auto set to 0x7e on M_WaitOn, M_Backup
|
470 |
*/
|
471 |
break;
|
472 |
case MENELAUS_LDO_CTRL3:
|
473 |
s->ldo[2] = value & 3; |
474 |
/* XXX
|
475 |
* auto set to 3 on M_Active, nRESWARM
|
476 |
* auto set to 0 on M_WaitOn, M_Backup
|
477 |
*/
|
478 |
break;
|
479 |
case MENELAUS_LDO_CTRL4:
|
480 |
s->ldo[3] = value & 3; |
481 |
/* XXX
|
482 |
* auto set to 3 on M_Active, nRESWARM
|
483 |
* auto set to 0 on M_WaitOn, M_Backup
|
484 |
*/
|
485 |
break;
|
486 |
case MENELAUS_LDO_CTRL5:
|
487 |
s->ldo[4] = value & 3; |
488 |
/* XXX
|
489 |
* auto set to 3 on M_Active, nRESWARM
|
490 |
* auto set to 0 on M_WaitOn, M_Backup
|
491 |
*/
|
492 |
break;
|
493 |
case MENELAUS_LDO_CTRL6:
|
494 |
s->ldo[5] = value & 3; |
495 |
break;
|
496 |
case MENELAUS_LDO_CTRL7:
|
497 |
s->ldo[6] = value & 3; |
498 |
break;
|
499 |
case MENELAUS_LDO_CTRL8:
|
500 |
s->ldo[7] = value & 3; |
501 |
break;
|
502 |
|
503 |
case MENELAUS_SLEEP_CTRL2: reg ++;
|
504 |
case MENELAUS_SLEEP_CTRL1:
|
505 |
s->sleep[reg] = value; |
506 |
break;
|
507 |
|
508 |
case MENELAUS_DEVICE_OFF:
|
509 |
if (value & 1) |
510 |
menelaus_reset(&s->i2c); |
511 |
break;
|
512 |
|
513 |
case MENELAUS_OSC_CTRL:
|
514 |
s->osc = value & 7;
|
515 |
break;
|
516 |
|
517 |
case MENELAUS_DETECT_CTRL:
|
518 |
s->detect = value & 0x7f;
|
519 |
break;
|
520 |
|
521 |
case MENELAUS_INT_MASK1:
|
522 |
s->mask &= 0xf00;
|
523 |
s->mask |= value << 0;
|
524 |
menelaus_update(s); |
525 |
break;
|
526 |
case MENELAUS_INT_MASK2:
|
527 |
s->mask &= 0x0ff;
|
528 |
s->mask |= value << 8;
|
529 |
menelaus_update(s); |
530 |
break;
|
531 |
|
532 |
case MENELAUS_INT_ACK1:
|
533 |
s->status &= ~(((uint16_t) value) << 0);
|
534 |
menelaus_update(s); |
535 |
break;
|
536 |
case MENELAUS_INT_ACK2:
|
537 |
s->status &= ~(((uint16_t) value) << 8);
|
538 |
menelaus_update(s); |
539 |
break;
|
540 |
|
541 |
case MENELAUS_GPIO_CTRL:
|
542 |
for (line = 0; line < 3; line ++) { |
543 |
if (((s->dir ^ value) >> line) & 1) { |
544 |
qemu_set_irq(s->out[line], |
545 |
((s->outputs & ~s->dir) >> line) & 1);
|
546 |
} |
547 |
} |
548 |
s->dir = value & 0x67;
|
549 |
break;
|
550 |
case MENELAUS_GPIO_OUT:
|
551 |
for (line = 0; line < 3; line ++) { |
552 |
if ((((s->outputs ^ value) & ~s->dir) >> line) & 1) { |
553 |
qemu_set_irq(s->out[line], (s->outputs >> line) & 1);
|
554 |
} |
555 |
} |
556 |
s->outputs = value & 0x07;
|
557 |
break;
|
558 |
|
559 |
case MENELAUS_BBSMS:
|
560 |
s->bbsms = 0x0d;
|
561 |
break;
|
562 |
|
563 |
case MENELAUS_RTC_CTRL:
|
564 |
if ((s->rtc.ctrl ^ value) & 1) { /* RTC_EN */ |
565 |
if (value & 1) |
566 |
menelaus_rtc_start(s); |
567 |
else
|
568 |
menelaus_rtc_stop(s); |
569 |
} |
570 |
s->rtc.ctrl = value & 0x1f;
|
571 |
menelaus_alm_update(s); |
572 |
break;
|
573 |
case MENELAUS_RTC_UPDATE:
|
574 |
menelaus_rtc_update(s); |
575 |
memcpy(&tm, &s->rtc.tm, sizeof(tm));
|
576 |
switch (value & 0xf) { |
577 |
case 0: |
578 |
break;
|
579 |
case 1: |
580 |
tm.tm_sec = s->rtc.new.tm_sec; |
581 |
break;
|
582 |
case 2: |
583 |
tm.tm_min = s->rtc.new.tm_min; |
584 |
break;
|
585 |
case 3: |
586 |
if (s->rtc.new.tm_hour > 23) |
587 |
goto rtc_badness;
|
588 |
tm.tm_hour = s->rtc.new.tm_hour; |
589 |
break;
|
590 |
case 4: |
591 |
if (s->rtc.new.tm_mday < 1) |
592 |
goto rtc_badness;
|
593 |
/* TODO check range */
|
594 |
tm.tm_mday = s->rtc.new.tm_mday; |
595 |
break;
|
596 |
case 5: |
597 |
if (s->rtc.new.tm_mon < 0 || s->rtc.new.tm_mon > 11) |
598 |
goto rtc_badness;
|
599 |
tm.tm_mon = s->rtc.new.tm_mon; |
600 |
break;
|
601 |
case 6: |
602 |
tm.tm_year = s->rtc.new.tm_year; |
603 |
break;
|
604 |
case 7: |
605 |
/* TODO set .tm_mday instead */
|
606 |
tm.tm_wday = s->rtc.new.tm_wday; |
607 |
break;
|
608 |
case 8: |
609 |
if (s->rtc.new.tm_hour > 23) |
610 |
goto rtc_badness;
|
611 |
if (s->rtc.new.tm_mday < 1) |
612 |
goto rtc_badness;
|
613 |
if (s->rtc.new.tm_mon < 0 || s->rtc.new.tm_mon > 11) |
614 |
goto rtc_badness;
|
615 |
tm.tm_sec = s->rtc.new.tm_sec; |
616 |
tm.tm_min = s->rtc.new.tm_min; |
617 |
tm.tm_hour = s->rtc.new.tm_hour; |
618 |
tm.tm_mday = s->rtc.new.tm_mday; |
619 |
tm.tm_mon = s->rtc.new.tm_mon; |
620 |
tm.tm_year = s->rtc.new.tm_year; |
621 |
break;
|
622 |
rtc_badness:
|
623 |
default:
|
624 |
fprintf(stderr, "%s: bad RTC_UPDATE value %02x\n",
|
625 |
__FUNCTION__, value); |
626 |
s->status |= 1 << 10; /* RTCERR */ |
627 |
menelaus_update(s); |
628 |
} |
629 |
s->rtc.sec_offset = qemu_timedate_diff(&tm); |
630 |
break;
|
631 |
case MENELAUS_RTC_SEC:
|
632 |
s->rtc.tm.tm_sec = from_bcd(value & 0x7f);
|
633 |
break;
|
634 |
case MENELAUS_RTC_MIN:
|
635 |
s->rtc.tm.tm_min = from_bcd(value & 0x7f);
|
636 |
break;
|
637 |
case MENELAUS_RTC_HR:
|
638 |
s->rtc.tm.tm_hour = (s->rtc.ctrl & (1 << 2)) ? /* MODE12_n24 */ |
639 |
MIN(from_bcd(value & 0x3f), 12) + ((value >> 7) ? 11 : -1) : |
640 |
from_bcd(value & 0x3f);
|
641 |
break;
|
642 |
case MENELAUS_RTC_DAY:
|
643 |
s->rtc.tm.tm_mday = from_bcd(value); |
644 |
break;
|
645 |
case MENELAUS_RTC_MON:
|
646 |
s->rtc.tm.tm_mon = MAX(1, from_bcd(value)) - 1; |
647 |
break;
|
648 |
case MENELAUS_RTC_YR:
|
649 |
s->rtc.tm.tm_year = 2000 + from_bcd(value);
|
650 |
break;
|
651 |
case MENELAUS_RTC_WKDAY:
|
652 |
s->rtc.tm.tm_mday = from_bcd(value); |
653 |
break;
|
654 |
case MENELAUS_RTC_AL_SEC:
|
655 |
s->rtc.alm.tm_sec = from_bcd(value & 0x7f);
|
656 |
menelaus_alm_update(s); |
657 |
break;
|
658 |
case MENELAUS_RTC_AL_MIN:
|
659 |
s->rtc.alm.tm_min = from_bcd(value & 0x7f);
|
660 |
menelaus_alm_update(s); |
661 |
break;
|
662 |
case MENELAUS_RTC_AL_HR:
|
663 |
s->rtc.alm.tm_hour = (s->rtc.ctrl & (1 << 2)) ? /* MODE12_n24 */ |
664 |
MIN(from_bcd(value & 0x3f), 12) + ((value >> 7) ? 11 : -1) : |
665 |
from_bcd(value & 0x3f);
|
666 |
menelaus_alm_update(s); |
667 |
break;
|
668 |
case MENELAUS_RTC_AL_DAY:
|
669 |
s->rtc.alm.tm_mday = from_bcd(value); |
670 |
menelaus_alm_update(s); |
671 |
break;
|
672 |
case MENELAUS_RTC_AL_MON:
|
673 |
s->rtc.alm.tm_mon = MAX(1, from_bcd(value)) - 1; |
674 |
menelaus_alm_update(s); |
675 |
break;
|
676 |
case MENELAUS_RTC_AL_YR:
|
677 |
s->rtc.alm.tm_year = 2000 + from_bcd(value);
|
678 |
menelaus_alm_update(s); |
679 |
break;
|
680 |
case MENELAUS_RTC_COMP_MSB:
|
681 |
s->rtc.comp &= 0xff;
|
682 |
s->rtc.comp |= value << 8;
|
683 |
break;
|
684 |
case MENELAUS_RTC_COMP_LSB:
|
685 |
s->rtc.comp &= 0xff << 8; |
686 |
s->rtc.comp |= value; |
687 |
break;
|
688 |
|
689 |
case MENELAUS_S1_PULL_EN:
|
690 |
s->pull[0] = value;
|
691 |
break;
|
692 |
case MENELAUS_S1_PULL_DIR:
|
693 |
s->pull[1] = value & 0x1f; |
694 |
break;
|
695 |
case MENELAUS_S2_PULL_EN:
|
696 |
s->pull[2] = value;
|
697 |
break;
|
698 |
case MENELAUS_S2_PULL_DIR:
|
699 |
s->pull[3] = value & 0x1f; |
700 |
break;
|
701 |
|
702 |
case MENELAUS_MCT_CTRL1:
|
703 |
s->mmc_ctrl[0] = value & 0x7f; |
704 |
break;
|
705 |
case MENELAUS_MCT_CTRL2:
|
706 |
s->mmc_ctrl[1] = value;
|
707 |
/* TODO update Card Detect interrupts */
|
708 |
break;
|
709 |
case MENELAUS_MCT_CTRL3:
|
710 |
s->mmc_ctrl[2] = value & 0xf; |
711 |
break;
|
712 |
case MENELAUS_DEBOUNCE1:
|
713 |
s->mmc_debounce = value & 0x3f;
|
714 |
break;
|
715 |
|
716 |
default:
|
717 |
#ifdef VERBOSE
|
718 |
printf("%s: unknown register %02x\n", __FUNCTION__, addr);
|
719 |
#endif
|
720 |
} |
721 |
} |
722 |
|
723 |
static void menelaus_event(i2c_slave *i2c, enum i2c_event event) |
724 |
{ |
725 |
MenelausState *s = (MenelausState *) i2c; |
726 |
|
727 |
if (event == I2C_START_SEND)
|
728 |
s->firstbyte = 1;
|
729 |
} |
730 |
|
731 |
static int menelaus_tx(i2c_slave *i2c, uint8_t data) |
732 |
{ |
733 |
MenelausState *s = (MenelausState *) i2c; |
734 |
/* Interpret register address byte */
|
735 |
if (s->firstbyte) {
|
736 |
s->reg = data; |
737 |
s->firstbyte = 0;
|
738 |
} else
|
739 |
menelaus_write(s, s->reg ++, data); |
740 |
|
741 |
return 0; |
742 |
} |
743 |
|
744 |
static int menelaus_rx(i2c_slave *i2c) |
745 |
{ |
746 |
MenelausState *s = (MenelausState *) i2c; |
747 |
|
748 |
return menelaus_read(s, s->reg ++);
|
749 |
} |
750 |
|
751 |
/* Save restore 32 bit int as uint16_t
|
752 |
This is a Big hack, but it is how the old state did it.
|
753 |
Or we broke compatibility in the state, or we can't use struct tm
|
754 |
*/
|
755 |
|
756 |
static int get_int32_as_uint16(QEMUFile *f, void *pv, size_t size) |
757 |
{ |
758 |
int *v = pv;
|
759 |
*v = qemu_get_be16(f); |
760 |
return 0; |
761 |
} |
762 |
|
763 |
static void put_int32_as_uint16(QEMUFile *f, void *pv, size_t size) |
764 |
{ |
765 |
int *v = pv;
|
766 |
qemu_put_be16(f, *v); |
767 |
} |
768 |
|
769 |
const VMStateInfo vmstate_hack_int32_as_uint16 = {
|
770 |
.name = "int32_as_uint16",
|
771 |
.get = get_int32_as_uint16, |
772 |
.put = put_int32_as_uint16, |
773 |
}; |
774 |
|
775 |
#define VMSTATE_UINT16_HACK(_f, _s) \
|
776 |
VMSTATE_SINGLE(_f, _s, 0, vmstate_hack_int32_as_uint16, int32_t)
|
777 |
|
778 |
|
779 |
static const VMStateDescription vmstate_menelaus_tm = { |
780 |
.name = "menelaus_tm",
|
781 |
.version_id = 0,
|
782 |
.minimum_version_id = 0,
|
783 |
.minimum_version_id_old = 0,
|
784 |
.fields = (VMStateField []) { |
785 |
VMSTATE_UINT16_HACK(tm_sec, struct tm),
|
786 |
VMSTATE_UINT16_HACK(tm_min, struct tm),
|
787 |
VMSTATE_UINT16_HACK(tm_hour, struct tm),
|
788 |
VMSTATE_UINT16_HACK(tm_mday, struct tm),
|
789 |
VMSTATE_UINT16_HACK(tm_min, struct tm),
|
790 |
VMSTATE_UINT16_HACK(tm_year, struct tm),
|
791 |
VMSTATE_END_OF_LIST() |
792 |
} |
793 |
}; |
794 |
|
795 |
static void menelaus_pre_save(void *opaque) |
796 |
{ |
797 |
MenelausState *s = opaque; |
798 |
/* Should be <= 1000 */
|
799 |
s->rtc_next_vmstate = s->rtc.next - qemu_get_clock(rt_clock); |
800 |
} |
801 |
|
802 |
static int menelaus_post_load(void *opaque, int version_id) |
803 |
{ |
804 |
MenelausState *s = opaque; |
805 |
|
806 |
if (s->rtc.ctrl & 1) /* RTC_EN */ |
807 |
menelaus_rtc_stop(s); |
808 |
|
809 |
s->rtc.next = s->rtc_next_vmstate; |
810 |
|
811 |
menelaus_alm_update(s); |
812 |
menelaus_update(s); |
813 |
if (s->rtc.ctrl & 1) /* RTC_EN */ |
814 |
menelaus_rtc_start(s); |
815 |
return 0; |
816 |
} |
817 |
|
818 |
static const VMStateDescription vmstate_menelaus = { |
819 |
.name = "menelaus",
|
820 |
.version_id = 0,
|
821 |
.minimum_version_id = 0,
|
822 |
.minimum_version_id_old = 0,
|
823 |
.pre_save = menelaus_pre_save, |
824 |
.post_load = menelaus_post_load, |
825 |
.fields = (VMStateField []) { |
826 |
VMSTATE_INT32(firstbyte, MenelausState), |
827 |
VMSTATE_UINT8(reg, MenelausState), |
828 |
VMSTATE_UINT8_ARRAY(vcore, MenelausState, 5),
|
829 |
VMSTATE_UINT8_ARRAY(dcdc, MenelausState, 3),
|
830 |
VMSTATE_UINT8_ARRAY(ldo, MenelausState, 8),
|
831 |
VMSTATE_UINT8_ARRAY(sleep, MenelausState, 2),
|
832 |
VMSTATE_UINT8(osc, MenelausState), |
833 |
VMSTATE_UINT8(detect, MenelausState), |
834 |
VMSTATE_UINT16(mask, MenelausState), |
835 |
VMSTATE_UINT16(status, MenelausState), |
836 |
VMSTATE_UINT8(dir, MenelausState), |
837 |
VMSTATE_UINT8(inputs, MenelausState), |
838 |
VMSTATE_UINT8(outputs, MenelausState), |
839 |
VMSTATE_UINT8(bbsms, MenelausState), |
840 |
VMSTATE_UINT8_ARRAY(pull, MenelausState, 4),
|
841 |
VMSTATE_UINT8_ARRAY(mmc_ctrl, MenelausState, 3),
|
842 |
VMSTATE_UINT8(mmc_debounce, MenelausState), |
843 |
VMSTATE_UINT8(rtc.ctrl, MenelausState), |
844 |
VMSTATE_UINT16(rtc.comp, MenelausState), |
845 |
VMSTATE_UINT16(rtc_next_vmstate, MenelausState), |
846 |
VMSTATE_STRUCT(rtc.new, MenelausState, 0, vmstate_menelaus_tm,
|
847 |
struct tm),
|
848 |
VMSTATE_STRUCT(rtc.alm, MenelausState, 0, vmstate_menelaus_tm,
|
849 |
struct tm),
|
850 |
VMSTATE_UINT8(pwrbtn_state, MenelausState), |
851 |
VMSTATE_I2C_SLAVE(i2c, MenelausState), |
852 |
VMSTATE_END_OF_LIST() |
853 |
} |
854 |
}; |
855 |
|
856 |
static int twl92230_init(i2c_slave *i2c) |
857 |
{ |
858 |
MenelausState *s = FROM_I2C_SLAVE(MenelausState, i2c); |
859 |
|
860 |
s->rtc.hz_tm = qemu_new_timer(rt_clock, menelaus_rtc_hz, s); |
861 |
/* Three output pins plus one interrupt pin. */
|
862 |
qdev_init_gpio_out(&i2c->qdev, s->out, 4);
|
863 |
qdev_init_gpio_in(&i2c->qdev, menelaus_gpio_set, 3);
|
864 |
s->pwrbtn = qemu_allocate_irqs(menelaus_pwrbtn_set, s, 1)[0]; |
865 |
|
866 |
menelaus_reset(&s->i2c); |
867 |
|
868 |
vmstate_register(-1, &vmstate_menelaus, s);
|
869 |
return 0; |
870 |
} |
871 |
|
872 |
static I2CSlaveInfo twl92230_info = {
|
873 |
.qdev.name ="twl92230",
|
874 |
.qdev.size = sizeof(MenelausState),
|
875 |
.init = twl92230_init, |
876 |
.event = menelaus_event, |
877 |
.recv = menelaus_rx, |
878 |
.send = menelaus_tx |
879 |
}; |
880 |
|
881 |
static void twl92230_register_devices(void) |
882 |
{ |
883 |
i2c_register_slave(&twl92230_info); |
884 |
} |
885 |
|
886 |
device_init(twl92230_register_devices) |