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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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qemu_irq out[4];
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qemu_irq *in; |
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int pwrbtn_state;
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qemu_irq pwrbtn; |
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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(rt_clock); |
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qemu_mod_timer(s->rtc.hz_tm, s->rtc.next); |
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} |
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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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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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|
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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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} |
214 |
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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 |
248 |
#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 |
256 |
#define MENELAUS_RTC_AL_SEC 0x2a |
257 |
#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 |
264 |
#define MENELAUS_S1_PULL_EN 0x32 |
265 |
#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 |
270 |
#define MENELAUS_MCT_CTRL3 0x38 |
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#define MENELAUS_MCT_PIN_ST 0x39 |
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#define MENELAUS_DEBOUNCE1 0x3a |
273 |
|
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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; |
278 |
|
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switch (addr) {
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case MENELAUS_REV:
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return 0x22; |
282 |
|
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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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301 |
case MENELAUS_LDO_CTRL2: reg ++;
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302 |
case MENELAUS_LDO_CTRL1:
|
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return s->ldo[reg];
|
304 |
|
305 |
case MENELAUS_SLEEP_CTRL2: reg ++;
|
306 |
case MENELAUS_SLEEP_CTRL1:
|
307 |
return s->sleep[reg];
|
308 |
|
309 |
case MENELAUS_DEVICE_OFF:
|
310 |
return 0; |
311 |
|
312 |
case MENELAUS_OSC_CTRL:
|
313 |
return s->osc | (1 << 7); /* CLK32K_GOOD */ |
314 |
|
315 |
case MENELAUS_DETECT_CTRL:
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316 |
return s->detect;
|
317 |
|
318 |
case MENELAUS_INT_MASK1:
|
319 |
return (s->mask >> 0) & 0xff; |
320 |
case MENELAUS_INT_MASK2:
|
321 |
return (s->mask >> 8) & 0xff; |
322 |
|
323 |
case MENELAUS_INT_STATUS1:
|
324 |
return (s->status >> 0) & 0xff; |
325 |
case MENELAUS_INT_STATUS2:
|
326 |
return (s->status >> 8) & 0xff; |
327 |
|
328 |
case MENELAUS_INT_ACK1:
|
329 |
case MENELAUS_INT_ACK2:
|
330 |
return 0; |
331 |
|
332 |
case MENELAUS_GPIO_CTRL:
|
333 |
return s->dir;
|
334 |
case MENELAUS_GPIO_IN:
|
335 |
return s->inputs | (~s->dir & s->outputs);
|
336 |
case MENELAUS_GPIO_OUT:
|
337 |
return s->outputs;
|
338 |
|
339 |
case MENELAUS_BBSMS:
|
340 |
return s->bbsms;
|
341 |
|
342 |
case MENELAUS_RTC_CTRL:
|
343 |
return s->rtc.ctrl;
|
344 |
case MENELAUS_RTC_UPDATE:
|
345 |
return 0x00; |
346 |
case MENELAUS_RTC_SEC:
|
347 |
menelaus_rtc_update(s); |
348 |
return to_bcd(s->rtc.tm.tm_sec);
|
349 |
case MENELAUS_RTC_MIN:
|
350 |
menelaus_rtc_update(s); |
351 |
return to_bcd(s->rtc.tm.tm_min);
|
352 |
case MENELAUS_RTC_HR:
|
353 |
menelaus_rtc_update(s); |
354 |
if ((s->rtc.ctrl >> 2) & 1) /* MODE12_n24 */ |
355 |
return to_bcd((s->rtc.tm.tm_hour % 12) + 1) | |
356 |
(!!(s->rtc.tm.tm_hour >= 12) << 7); /* PM_nAM */ |
357 |
else
|
358 |
return to_bcd(s->rtc.tm.tm_hour);
|
359 |
case MENELAUS_RTC_DAY:
|
360 |
menelaus_rtc_update(s); |
361 |
return to_bcd(s->rtc.tm.tm_mday);
|
362 |
case MENELAUS_RTC_MON:
|
363 |
menelaus_rtc_update(s); |
364 |
return to_bcd(s->rtc.tm.tm_mon + 1); |
365 |
case MENELAUS_RTC_YR:
|
366 |
menelaus_rtc_update(s); |
367 |
return to_bcd(s->rtc.tm.tm_year - 2000); |
368 |
case MENELAUS_RTC_WKDAY:
|
369 |
menelaus_rtc_update(s); |
370 |
return to_bcd(s->rtc.tm.tm_wday);
|
371 |
case MENELAUS_RTC_AL_SEC:
|
372 |
return to_bcd(s->rtc.alm.tm_sec);
|
373 |
case MENELAUS_RTC_AL_MIN:
|
374 |
return to_bcd(s->rtc.alm.tm_min);
|
375 |
case MENELAUS_RTC_AL_HR:
|
376 |
if ((s->rtc.ctrl >> 2) & 1) /* MODE12_n24 */ |
377 |
return to_bcd((s->rtc.alm.tm_hour % 12) + 1) | |
378 |
(!!(s->rtc.alm.tm_hour >= 12) << 7);/* AL_PM_nAM */ |
379 |
else
|
380 |
return to_bcd(s->rtc.alm.tm_hour);
|
381 |
case MENELAUS_RTC_AL_DAY:
|
382 |
return to_bcd(s->rtc.alm.tm_mday);
|
383 |
case MENELAUS_RTC_AL_MON:
|
384 |
return to_bcd(s->rtc.alm.tm_mon + 1); |
385 |
case MENELAUS_RTC_AL_YR:
|
386 |
return to_bcd(s->rtc.alm.tm_year - 2000); |
387 |
case MENELAUS_RTC_COMP_MSB:
|
388 |
return (s->rtc.comp >> 8) & 0xff; |
389 |
case MENELAUS_RTC_COMP_LSB:
|
390 |
return (s->rtc.comp >> 0) & 0xff; |
391 |
|
392 |
case MENELAUS_S1_PULL_EN:
|
393 |
return s->pull[0]; |
394 |
case MENELAUS_S1_PULL_DIR:
|
395 |
return s->pull[1]; |
396 |
case MENELAUS_S2_PULL_EN:
|
397 |
return s->pull[2]; |
398 |
case MENELAUS_S2_PULL_DIR:
|
399 |
return s->pull[3]; |
400 |
|
401 |
case MENELAUS_MCT_CTRL3: reg ++;
|
402 |
case MENELAUS_MCT_CTRL2: reg ++;
|
403 |
case MENELAUS_MCT_CTRL1:
|
404 |
return s->mmc_ctrl[reg];
|
405 |
case MENELAUS_MCT_PIN_ST:
|
406 |
/* TODO: return the real Card Detect */
|
407 |
return 0; |
408 |
case MENELAUS_DEBOUNCE1:
|
409 |
return s->mmc_debounce;
|
410 |
|
411 |
default:
|
412 |
#ifdef VERBOSE
|
413 |
printf("%s: unknown register %02x\n", __FUNCTION__, addr);
|
414 |
#endif
|
415 |
break;
|
416 |
} |
417 |
return 0; |
418 |
} |
419 |
|
420 |
static void menelaus_write(void *opaque, uint8_t addr, uint8_t value) |
421 |
{ |
422 |
MenelausState *s = (MenelausState *) opaque; |
423 |
int line;
|
424 |
int reg = 0; |
425 |
struct tm tm;
|
426 |
|
427 |
switch (addr) {
|
428 |
case MENELAUS_VCORE_CTRL1:
|
429 |
s->vcore[0] = (value & 0xe) | MIN(value & 0x1f, 0x12); |
430 |
break;
|
431 |
case MENELAUS_VCORE_CTRL2:
|
432 |
s->vcore[1] = value;
|
433 |
break;
|
434 |
case MENELAUS_VCORE_CTRL3:
|
435 |
s->vcore[2] = MIN(value & 0x1f, 0x12); |
436 |
break;
|
437 |
case MENELAUS_VCORE_CTRL4:
|
438 |
s->vcore[3] = MIN(value & 0x1f, 0x12); |
439 |
break;
|
440 |
case MENELAUS_VCORE_CTRL5:
|
441 |
s->vcore[4] = value & 3; |
442 |
/* XXX
|
443 |
* auto set to 3 on M_Active, nRESWARM
|
444 |
* auto set to 0 on M_WaitOn, M_Backup
|
445 |
*/
|
446 |
break;
|
447 |
|
448 |
case MENELAUS_DCDC_CTRL1:
|
449 |
s->dcdc[0] = value & 0x3f; |
450 |
break;
|
451 |
case MENELAUS_DCDC_CTRL2:
|
452 |
s->dcdc[1] = value & 0x07; |
453 |
/* XXX
|
454 |
* auto set to 3 on M_Active, nRESWARM
|
455 |
* auto set to 0 on M_WaitOn, M_Backup
|
456 |
*/
|
457 |
break;
|
458 |
case MENELAUS_DCDC_CTRL3:
|
459 |
s->dcdc[2] = value & 0x07; |
460 |
break;
|
461 |
|
462 |
case MENELAUS_LDO_CTRL1:
|
463 |
s->ldo[0] = value;
|
464 |
break;
|
465 |
case MENELAUS_LDO_CTRL2:
|
466 |
s->ldo[1] = value & 0x7f; |
467 |
/* XXX
|
468 |
* auto set to 0x7e on M_WaitOn, M_Backup
|
469 |
*/
|
470 |
break;
|
471 |
case MENELAUS_LDO_CTRL3:
|
472 |
s->ldo[2] = 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_CTRL4:
|
479 |
s->ldo[3] = value & 3; |
480 |
/* XXX
|
481 |
* auto set to 3 on M_Active, nRESWARM
|
482 |
* auto set to 0 on M_WaitOn, M_Backup
|
483 |
*/
|
484 |
break;
|
485 |
case MENELAUS_LDO_CTRL5:
|
486 |
s->ldo[4] = value & 3; |
487 |
/* XXX
|
488 |
* auto set to 3 on M_Active, nRESWARM
|
489 |
* auto set to 0 on M_WaitOn, M_Backup
|
490 |
*/
|
491 |
break;
|
492 |
case MENELAUS_LDO_CTRL6:
|
493 |
s->ldo[5] = value & 3; |
494 |
break;
|
495 |
case MENELAUS_LDO_CTRL7:
|
496 |
s->ldo[6] = value & 3; |
497 |
break;
|
498 |
case MENELAUS_LDO_CTRL8:
|
499 |
s->ldo[7] = value & 3; |
500 |
break;
|
501 |
|
502 |
case MENELAUS_SLEEP_CTRL2: reg ++;
|
503 |
case MENELAUS_SLEEP_CTRL1:
|
504 |
s->sleep[reg] = value; |
505 |
break;
|
506 |
|
507 |
case MENELAUS_DEVICE_OFF:
|
508 |
if (value & 1) |
509 |
menelaus_reset(&s->i2c); |
510 |
break;
|
511 |
|
512 |
case MENELAUS_OSC_CTRL:
|
513 |
s->osc = value & 7;
|
514 |
break;
|
515 |
|
516 |
case MENELAUS_DETECT_CTRL:
|
517 |
s->detect = value & 0x7f;
|
518 |
break;
|
519 |
|
520 |
case MENELAUS_INT_MASK1:
|
521 |
s->mask &= 0xf00;
|
522 |
s->mask |= value << 0;
|
523 |
menelaus_update(s); |
524 |
break;
|
525 |
case MENELAUS_INT_MASK2:
|
526 |
s->mask &= 0x0ff;
|
527 |
s->mask |= value << 8;
|
528 |
menelaus_update(s); |
529 |
break;
|
530 |
|
531 |
case MENELAUS_INT_ACK1:
|
532 |
s->status &= ~(((uint16_t) value) << 0);
|
533 |
menelaus_update(s); |
534 |
break;
|
535 |
case MENELAUS_INT_ACK2:
|
536 |
s->status &= ~(((uint16_t) value) << 8);
|
537 |
menelaus_update(s); |
538 |
break;
|
539 |
|
540 |
case MENELAUS_GPIO_CTRL:
|
541 |
for (line = 0; line < 3; line ++) { |
542 |
if (((s->dir ^ value) >> line) & 1) { |
543 |
qemu_set_irq(s->out[line], |
544 |
((s->outputs & ~s->dir) >> line) & 1);
|
545 |
} |
546 |
} |
547 |
s->dir = value & 0x67;
|
548 |
break;
|
549 |
case MENELAUS_GPIO_OUT:
|
550 |
for (line = 0; line < 3; line ++) { |
551 |
if ((((s->outputs ^ value) & ~s->dir) >> line) & 1) { |
552 |
qemu_set_irq(s->out[line], (s->outputs >> line) & 1);
|
553 |
} |
554 |
} |
555 |
s->outputs = value & 0x07;
|
556 |
break;
|
557 |
|
558 |
case MENELAUS_BBSMS:
|
559 |
s->bbsms = 0x0d;
|
560 |
break;
|
561 |
|
562 |
case MENELAUS_RTC_CTRL:
|
563 |
if ((s->rtc.ctrl ^ value) & 1) { /* RTC_EN */ |
564 |
if (value & 1) |
565 |
menelaus_rtc_start(s); |
566 |
else
|
567 |
menelaus_rtc_stop(s); |
568 |
} |
569 |
s->rtc.ctrl = value & 0x1f;
|
570 |
menelaus_alm_update(s); |
571 |
break;
|
572 |
case MENELAUS_RTC_UPDATE:
|
573 |
menelaus_rtc_update(s); |
574 |
memcpy(&tm, &s->rtc.tm, sizeof(tm));
|
575 |
switch (value & 0xf) { |
576 |
case 0: |
577 |
break;
|
578 |
case 1: |
579 |
tm.tm_sec = s->rtc.new.tm_sec; |
580 |
break;
|
581 |
case 2: |
582 |
tm.tm_min = s->rtc.new.tm_min; |
583 |
break;
|
584 |
case 3: |
585 |
if (s->rtc.new.tm_hour > 23) |
586 |
goto rtc_badness;
|
587 |
tm.tm_hour = s->rtc.new.tm_hour; |
588 |
break;
|
589 |
case 4: |
590 |
if (s->rtc.new.tm_mday < 1) |
591 |
goto rtc_badness;
|
592 |
/* TODO check range */
|
593 |
tm.tm_mday = s->rtc.new.tm_mday; |
594 |
break;
|
595 |
case 5: |
596 |
if (s->rtc.new.tm_mon < 0 || s->rtc.new.tm_mon > 11) |
597 |
goto rtc_badness;
|
598 |
tm.tm_mon = s->rtc.new.tm_mon; |
599 |
break;
|
600 |
case 6: |
601 |
tm.tm_year = s->rtc.new.tm_year; |
602 |
break;
|
603 |
case 7: |
604 |
/* TODO set .tm_mday instead */
|
605 |
tm.tm_wday = s->rtc.new.tm_wday; |
606 |
break;
|
607 |
case 8: |
608 |
if (s->rtc.new.tm_hour > 23) |
609 |
goto rtc_badness;
|
610 |
if (s->rtc.new.tm_mday < 1) |
611 |
goto rtc_badness;
|
612 |
if (s->rtc.new.tm_mon < 0 || s->rtc.new.tm_mon > 11) |
613 |
goto rtc_badness;
|
614 |
tm.tm_sec = s->rtc.new.tm_sec; |
615 |
tm.tm_min = s->rtc.new.tm_min; |
616 |
tm.tm_hour = s->rtc.new.tm_hour; |
617 |
tm.tm_mday = s->rtc.new.tm_mday; |
618 |
tm.tm_mon = s->rtc.new.tm_mon; |
619 |
tm.tm_year = s->rtc.new.tm_year; |
620 |
break;
|
621 |
rtc_badness:
|
622 |
default:
|
623 |
fprintf(stderr, "%s: bad RTC_UPDATE value %02x\n",
|
624 |
__FUNCTION__, value); |
625 |
s->status |= 1 << 10; /* RTCERR */ |
626 |
menelaus_update(s); |
627 |
} |
628 |
s->rtc.sec_offset = qemu_timedate_diff(&tm); |
629 |
break;
|
630 |
case MENELAUS_RTC_SEC:
|
631 |
s->rtc.tm.tm_sec = from_bcd(value & 0x7f);
|
632 |
break;
|
633 |
case MENELAUS_RTC_MIN:
|
634 |
s->rtc.tm.tm_min = from_bcd(value & 0x7f);
|
635 |
break;
|
636 |
case MENELAUS_RTC_HR:
|
637 |
s->rtc.tm.tm_hour = (s->rtc.ctrl & (1 << 2)) ? /* MODE12_n24 */ |
638 |
MIN(from_bcd(value & 0x3f), 12) + ((value >> 7) ? 11 : -1) : |
639 |
from_bcd(value & 0x3f);
|
640 |
break;
|
641 |
case MENELAUS_RTC_DAY:
|
642 |
s->rtc.tm.tm_mday = from_bcd(value); |
643 |
break;
|
644 |
case MENELAUS_RTC_MON:
|
645 |
s->rtc.tm.tm_mon = MAX(1, from_bcd(value)) - 1; |
646 |
break;
|
647 |
case MENELAUS_RTC_YR:
|
648 |
s->rtc.tm.tm_year = 2000 + from_bcd(value);
|
649 |
break;
|
650 |
case MENELAUS_RTC_WKDAY:
|
651 |
s->rtc.tm.tm_mday = from_bcd(value); |
652 |
break;
|
653 |
case MENELAUS_RTC_AL_SEC:
|
654 |
s->rtc.alm.tm_sec = from_bcd(value & 0x7f);
|
655 |
menelaus_alm_update(s); |
656 |
break;
|
657 |
case MENELAUS_RTC_AL_MIN:
|
658 |
s->rtc.alm.tm_min = from_bcd(value & 0x7f);
|
659 |
menelaus_alm_update(s); |
660 |
break;
|
661 |
case MENELAUS_RTC_AL_HR:
|
662 |
s->rtc.alm.tm_hour = (s->rtc.ctrl & (1 << 2)) ? /* MODE12_n24 */ |
663 |
MIN(from_bcd(value & 0x3f), 12) + ((value >> 7) ? 11 : -1) : |
664 |
from_bcd(value & 0x3f);
|
665 |
menelaus_alm_update(s); |
666 |
break;
|
667 |
case MENELAUS_RTC_AL_DAY:
|
668 |
s->rtc.alm.tm_mday = from_bcd(value); |
669 |
menelaus_alm_update(s); |
670 |
break;
|
671 |
case MENELAUS_RTC_AL_MON:
|
672 |
s->rtc.alm.tm_mon = MAX(1, from_bcd(value)) - 1; |
673 |
menelaus_alm_update(s); |
674 |
break;
|
675 |
case MENELAUS_RTC_AL_YR:
|
676 |
s->rtc.alm.tm_year = 2000 + from_bcd(value);
|
677 |
menelaus_alm_update(s); |
678 |
break;
|
679 |
case MENELAUS_RTC_COMP_MSB:
|
680 |
s->rtc.comp &= 0xff;
|
681 |
s->rtc.comp |= value << 8;
|
682 |
break;
|
683 |
case MENELAUS_RTC_COMP_LSB:
|
684 |
s->rtc.comp &= 0xff << 8; |
685 |
s->rtc.comp |= value; |
686 |
break;
|
687 |
|
688 |
case MENELAUS_S1_PULL_EN:
|
689 |
s->pull[0] = value;
|
690 |
break;
|
691 |
case MENELAUS_S1_PULL_DIR:
|
692 |
s->pull[1] = value & 0x1f; |
693 |
break;
|
694 |
case MENELAUS_S2_PULL_EN:
|
695 |
s->pull[2] = value;
|
696 |
break;
|
697 |
case MENELAUS_S2_PULL_DIR:
|
698 |
s->pull[3] = value & 0x1f; |
699 |
break;
|
700 |
|
701 |
case MENELAUS_MCT_CTRL1:
|
702 |
s->mmc_ctrl[0] = value & 0x7f; |
703 |
break;
|
704 |
case MENELAUS_MCT_CTRL2:
|
705 |
s->mmc_ctrl[1] = value;
|
706 |
/* TODO update Card Detect interrupts */
|
707 |
break;
|
708 |
case MENELAUS_MCT_CTRL3:
|
709 |
s->mmc_ctrl[2] = value & 0xf; |
710 |
break;
|
711 |
case MENELAUS_DEBOUNCE1:
|
712 |
s->mmc_debounce = value & 0x3f;
|
713 |
break;
|
714 |
|
715 |
default:
|
716 |
#ifdef VERBOSE
|
717 |
printf("%s: unknown register %02x\n", __FUNCTION__, addr);
|
718 |
#endif
|
719 |
} |
720 |
} |
721 |
|
722 |
static void menelaus_event(i2c_slave *i2c, enum i2c_event event) |
723 |
{ |
724 |
MenelausState *s = (MenelausState *) i2c; |
725 |
|
726 |
if (event == I2C_START_SEND)
|
727 |
s->firstbyte = 1;
|
728 |
} |
729 |
|
730 |
static int menelaus_tx(i2c_slave *i2c, uint8_t data) |
731 |
{ |
732 |
MenelausState *s = (MenelausState *) i2c; |
733 |
/* Interpret register address byte */
|
734 |
if (s->firstbyte) {
|
735 |
s->reg = data; |
736 |
s->firstbyte = 0;
|
737 |
} else
|
738 |
menelaus_write(s, s->reg ++, data); |
739 |
|
740 |
return 0; |
741 |
} |
742 |
|
743 |
static int menelaus_rx(i2c_slave *i2c) |
744 |
{ |
745 |
MenelausState *s = (MenelausState *) i2c; |
746 |
|
747 |
return menelaus_read(s, s->reg ++);
|
748 |
} |
749 |
|
750 |
static void tm_put(QEMUFile *f, struct tm *tm) { |
751 |
qemu_put_be16(f, tm->tm_sec); |
752 |
qemu_put_be16(f, tm->tm_min); |
753 |
qemu_put_be16(f, tm->tm_hour); |
754 |
qemu_put_be16(f, tm->tm_mday); |
755 |
qemu_put_be16(f, tm->tm_min); |
756 |
qemu_put_be16(f, tm->tm_year); |
757 |
} |
758 |
|
759 |
static void tm_get(QEMUFile *f, struct tm *tm) { |
760 |
tm->tm_sec = qemu_get_be16(f); |
761 |
tm->tm_min = qemu_get_be16(f); |
762 |
tm->tm_hour = qemu_get_be16(f); |
763 |
tm->tm_mday = qemu_get_be16(f); |
764 |
tm->tm_min = qemu_get_be16(f); |
765 |
tm->tm_year = qemu_get_be16(f); |
766 |
} |
767 |
|
768 |
static void menelaus_save(QEMUFile *f, void *opaque) |
769 |
{ |
770 |
MenelausState *s = (MenelausState *) opaque; |
771 |
|
772 |
qemu_put_be32(f, s->firstbyte); |
773 |
qemu_put_8s(f, &s->reg); |
774 |
|
775 |
qemu_put_8s(f, &s->vcore[0]);
|
776 |
qemu_put_8s(f, &s->vcore[1]);
|
777 |
qemu_put_8s(f, &s->vcore[2]);
|
778 |
qemu_put_8s(f, &s->vcore[3]);
|
779 |
qemu_put_8s(f, &s->vcore[4]);
|
780 |
qemu_put_8s(f, &s->dcdc[0]);
|
781 |
qemu_put_8s(f, &s->dcdc[1]);
|
782 |
qemu_put_8s(f, &s->dcdc[2]);
|
783 |
qemu_put_8s(f, &s->ldo[0]);
|
784 |
qemu_put_8s(f, &s->ldo[1]);
|
785 |
qemu_put_8s(f, &s->ldo[2]);
|
786 |
qemu_put_8s(f, &s->ldo[3]);
|
787 |
qemu_put_8s(f, &s->ldo[4]);
|
788 |
qemu_put_8s(f, &s->ldo[5]);
|
789 |
qemu_put_8s(f, &s->ldo[6]);
|
790 |
qemu_put_8s(f, &s->ldo[7]);
|
791 |
qemu_put_8s(f, &s->sleep[0]);
|
792 |
qemu_put_8s(f, &s->sleep[1]);
|
793 |
qemu_put_8s(f, &s->osc); |
794 |
qemu_put_8s(f, &s->detect); |
795 |
qemu_put_be16s(f, &s->mask); |
796 |
qemu_put_be16s(f, &s->status); |
797 |
qemu_put_8s(f, &s->dir); |
798 |
qemu_put_8s(f, &s->inputs); |
799 |
qemu_put_8s(f, &s->outputs); |
800 |
qemu_put_8s(f, &s->bbsms); |
801 |
qemu_put_8s(f, &s->pull[0]);
|
802 |
qemu_put_8s(f, &s->pull[1]);
|
803 |
qemu_put_8s(f, &s->pull[2]);
|
804 |
qemu_put_8s(f, &s->pull[3]);
|
805 |
qemu_put_8s(f, &s->mmc_ctrl[0]);
|
806 |
qemu_put_8s(f, &s->mmc_ctrl[1]);
|
807 |
qemu_put_8s(f, &s->mmc_ctrl[2]);
|
808 |
qemu_put_8s(f, &s->mmc_debounce); |
809 |
qemu_put_8s(f, &s->rtc.ctrl); |
810 |
qemu_put_be16s(f, &s->rtc.comp); |
811 |
/* Should be <= 1000 */
|
812 |
qemu_put_be16(f, s->rtc.next - qemu_get_clock(rt_clock)); |
813 |
tm_put(f, &s->rtc.new); |
814 |
tm_put(f, &s->rtc.alm); |
815 |
qemu_put_byte(f, s->pwrbtn_state); |
816 |
|
817 |
i2c_slave_save(f, &s->i2c); |
818 |
} |
819 |
|
820 |
static int menelaus_load(QEMUFile *f, void *opaque, int version_id) |
821 |
{ |
822 |
MenelausState *s = (MenelausState *) opaque; |
823 |
|
824 |
s->firstbyte = qemu_get_be32(f); |
825 |
qemu_get_8s(f, &s->reg); |
826 |
|
827 |
if (s->rtc.ctrl & 1) /* RTC_EN */ |
828 |
menelaus_rtc_stop(s); |
829 |
qemu_get_8s(f, &s->vcore[0]);
|
830 |
qemu_get_8s(f, &s->vcore[1]);
|
831 |
qemu_get_8s(f, &s->vcore[2]);
|
832 |
qemu_get_8s(f, &s->vcore[3]);
|
833 |
qemu_get_8s(f, &s->vcore[4]);
|
834 |
qemu_get_8s(f, &s->dcdc[0]);
|
835 |
qemu_get_8s(f, &s->dcdc[1]);
|
836 |
qemu_get_8s(f, &s->dcdc[2]);
|
837 |
qemu_get_8s(f, &s->ldo[0]);
|
838 |
qemu_get_8s(f, &s->ldo[1]);
|
839 |
qemu_get_8s(f, &s->ldo[2]);
|
840 |
qemu_get_8s(f, &s->ldo[3]);
|
841 |
qemu_get_8s(f, &s->ldo[4]);
|
842 |
qemu_get_8s(f, &s->ldo[5]);
|
843 |
qemu_get_8s(f, &s->ldo[6]);
|
844 |
qemu_get_8s(f, &s->ldo[7]);
|
845 |
qemu_get_8s(f, &s->sleep[0]);
|
846 |
qemu_get_8s(f, &s->sleep[1]);
|
847 |
qemu_get_8s(f, &s->osc); |
848 |
qemu_get_8s(f, &s->detect); |
849 |
qemu_get_be16s(f, &s->mask); |
850 |
qemu_get_be16s(f, &s->status); |
851 |
qemu_get_8s(f, &s->dir); |
852 |
qemu_get_8s(f, &s->inputs); |
853 |
qemu_get_8s(f, &s->outputs); |
854 |
qemu_get_8s(f, &s->bbsms); |
855 |
qemu_get_8s(f, &s->pull[0]);
|
856 |
qemu_get_8s(f, &s->pull[1]);
|
857 |
qemu_get_8s(f, &s->pull[2]);
|
858 |
qemu_get_8s(f, &s->pull[3]);
|
859 |
qemu_get_8s(f, &s->mmc_ctrl[0]);
|
860 |
qemu_get_8s(f, &s->mmc_ctrl[1]);
|
861 |
qemu_get_8s(f, &s->mmc_ctrl[2]);
|
862 |
qemu_get_8s(f, &s->mmc_debounce); |
863 |
qemu_get_8s(f, &s->rtc.ctrl); |
864 |
qemu_get_be16s(f, &s->rtc.comp); |
865 |
s->rtc.next = qemu_get_be16(f); |
866 |
tm_get(f, &s->rtc.new); |
867 |
tm_get(f, &s->rtc.alm); |
868 |
s->pwrbtn_state = qemu_get_byte(f); |
869 |
menelaus_alm_update(s); |
870 |
menelaus_update(s); |
871 |
if (s->rtc.ctrl & 1) /* RTC_EN */ |
872 |
menelaus_rtc_start(s); |
873 |
|
874 |
i2c_slave_load(f, &s->i2c); |
875 |
return 0; |
876 |
} |
877 |
|
878 |
static void twl92230_init(i2c_slave *i2c) |
879 |
{ |
880 |
MenelausState *s = FROM_I2C_SLAVE(MenelausState, i2c); |
881 |
|
882 |
s->rtc.hz_tm = qemu_new_timer(rt_clock, menelaus_rtc_hz, s); |
883 |
/* Three output pins plus one interrupt pin. */
|
884 |
qdev_init_gpio_out(&i2c->qdev, s->out, 4);
|
885 |
qdev_init_gpio_in(&i2c->qdev, menelaus_gpio_set, 3);
|
886 |
s->pwrbtn = qemu_allocate_irqs(menelaus_pwrbtn_set, s, 1)[0]; |
887 |
|
888 |
menelaus_reset(&s->i2c); |
889 |
|
890 |
register_savevm("menelaus", -1, 0, menelaus_save, menelaus_load, s); |
891 |
} |
892 |
|
893 |
static I2CSlaveInfo twl92230_info = {
|
894 |
.qdev.name ="twl92230",
|
895 |
.qdev.size = sizeof(MenelausState),
|
896 |
.init = twl92230_init, |
897 |
.event = menelaus_event, |
898 |
.recv = menelaus_rx, |
899 |
.send = menelaus_tx |
900 |
}; |
901 |
|
902 |
static void twl92230_register_devices(void) |
903 |
{ |
904 |
i2c_register_slave(&twl92230_info); |
905 |
} |
906 |
|
907 |
device_init(twl92230_register_devices) |