root / hw / twl92230.c @ 601d70b9
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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
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
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* MA 02111-1307 USA
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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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struct menelaus_s {
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i2c_slave i2c; |
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qemu_irq irq; |
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|
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int firstbyte;
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uint8_t reg; |
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|
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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; |
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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 handler[3];
|
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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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}; |
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|
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static inline void menelaus_update(struct menelaus_s *s) |
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{
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qemu_set_irq(s->irq, s->status & ~s->mask); |
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} |
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|
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static inline void menelaus_rtc_start(struct menelaus_s *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, s->rtc.next); |
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} |
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|
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static inline void menelaus_rtc_stop(struct menelaus_s *s) |
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{
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qemu_del_timer(s->rtc.hz); |
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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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|
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static void menelaus_rtc_update(struct menelaus_s *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(struct menelaus_s *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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struct menelaus_s *s = (struct menelaus_s *) opaque; |
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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, 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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void menelaus_reset(i2c_slave *i2c)
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{
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struct menelaus_s *s = (struct menelaus_s *) 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 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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struct menelaus_s *s = (struct menelaus_s *) 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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struct menelaus_s *s = (struct menelaus_s *) 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 |
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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 |
| 276 |
|
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static uint8_t menelaus_read(void *opaque, uint8_t addr) |
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{
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struct menelaus_s *s = (struct menelaus_s *) opaque; |
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int reg = 0; |
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|
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switch (addr) {
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case MENELAUS_REV:
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return 0x22; |
| 285 |
|
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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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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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|
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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];
|
| 311 |
|
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case MENELAUS_DEVICE_OFF:
|
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return 0; |
| 314 |
|
| 315 |
case MENELAUS_OSC_CTRL:
|
| 316 |
return s->osc | (1 << 7); /* CLK32K_GOOD */ |
| 317 |
|
| 318 |
case MENELAUS_DETECT_CTRL:
|
| 319 |
return s->detect;
|
| 320 |
|
| 321 |
case MENELAUS_INT_MASK1:
|
| 322 |
return (s->mask >> 0) & 0xff; |
| 323 |
case MENELAUS_INT_MASK2:
|
| 324 |
return (s->mask >> 8) & 0xff; |
| 325 |
|
| 326 |
case MENELAUS_INT_STATUS1:
|
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return (s->status >> 0) & 0xff; |
| 328 |
case MENELAUS_INT_STATUS2:
|
| 329 |
return (s->status >> 8) & 0xff; |
| 330 |
|
| 331 |
case MENELAUS_INT_ACK1:
|
| 332 |
case MENELAUS_INT_ACK2:
|
| 333 |
return 0; |
| 334 |
|
| 335 |
case MENELAUS_GPIO_CTRL:
|
| 336 |
return s->dir;
|
| 337 |
case MENELAUS_GPIO_IN:
|
| 338 |
return s->inputs | (~s->dir & s->outputs);
|
| 339 |
case MENELAUS_GPIO_OUT:
|
| 340 |
return s->outputs;
|
| 341 |
|
| 342 |
case MENELAUS_BBSMS:
|
| 343 |
return s->bbsms;
|
| 344 |
|
| 345 |
case MENELAUS_RTC_CTRL:
|
| 346 |
return s->rtc.ctrl;
|
| 347 |
case MENELAUS_RTC_UPDATE:
|
| 348 |
return 0x00; |
| 349 |
case MENELAUS_RTC_SEC:
|
| 350 |
menelaus_rtc_update(s); |
| 351 |
return to_bcd(s->rtc.tm.tm_sec);
|
| 352 |
case MENELAUS_RTC_MIN:
|
| 353 |
menelaus_rtc_update(s); |
| 354 |
return to_bcd(s->rtc.tm.tm_min);
|
| 355 |
case MENELAUS_RTC_HR:
|
| 356 |
menelaus_rtc_update(s); |
| 357 |
if ((s->rtc.ctrl >> 2) & 1) /* MODE12_n24 */ |
| 358 |
return to_bcd((s->rtc.tm.tm_hour % 12) + 1) | |
| 359 |
(!!(s->rtc.tm.tm_hour >= 12) << 7); /* PM_nAM */ |
| 360 |
else
|
| 361 |
return to_bcd(s->rtc.tm.tm_hour);
|
| 362 |
case MENELAUS_RTC_DAY:
|
| 363 |
menelaus_rtc_update(s); |
| 364 |
return to_bcd(s->rtc.tm.tm_mday);
|
| 365 |
case MENELAUS_RTC_MON:
|
| 366 |
menelaus_rtc_update(s); |
| 367 |
return to_bcd(s->rtc.tm.tm_mon + 1); |
| 368 |
case MENELAUS_RTC_YR:
|
| 369 |
menelaus_rtc_update(s); |
| 370 |
return to_bcd(s->rtc.tm.tm_year - 2000); |
| 371 |
case MENELAUS_RTC_WKDAY:
|
| 372 |
menelaus_rtc_update(s); |
| 373 |
return to_bcd(s->rtc.tm.tm_wday);
|
| 374 |
case MENELAUS_RTC_AL_SEC:
|
| 375 |
return to_bcd(s->rtc.alm.tm_sec);
|
| 376 |
case MENELAUS_RTC_AL_MIN:
|
| 377 |
return to_bcd(s->rtc.alm.tm_min);
|
| 378 |
case MENELAUS_RTC_AL_HR:
|
| 379 |
if ((s->rtc.ctrl >> 2) & 1) /* MODE12_n24 */ |
| 380 |
return to_bcd((s->rtc.alm.tm_hour % 12) + 1) | |
| 381 |
(!!(s->rtc.alm.tm_hour >= 12) << 7);/* AL_PM_nAM */ |
| 382 |
else
|
| 383 |
return to_bcd(s->rtc.alm.tm_hour);
|
| 384 |
case MENELAUS_RTC_AL_DAY:
|
| 385 |
return to_bcd(s->rtc.alm.tm_mday);
|
| 386 |
case MENELAUS_RTC_AL_MON:
|
| 387 |
return to_bcd(s->rtc.alm.tm_mon + 1); |
| 388 |
case MENELAUS_RTC_AL_YR:
|
| 389 |
return to_bcd(s->rtc.alm.tm_year - 2000); |
| 390 |
case MENELAUS_RTC_COMP_MSB:
|
| 391 |
return (s->rtc.comp >> 8) & 0xff; |
| 392 |
case MENELAUS_RTC_COMP_LSB:
|
| 393 |
return (s->rtc.comp >> 0) & 0xff; |
| 394 |
|
| 395 |
case MENELAUS_S1_PULL_EN:
|
| 396 |
return s->pull[0]; |
| 397 |
case MENELAUS_S1_PULL_DIR:
|
| 398 |
return s->pull[1]; |
| 399 |
case MENELAUS_S2_PULL_EN:
|
| 400 |
return s->pull[2]; |
| 401 |
case MENELAUS_S2_PULL_DIR:
|
| 402 |
return s->pull[3]; |
| 403 |
|
| 404 |
case MENELAUS_MCT_CTRL3: reg ++;
|
| 405 |
case MENELAUS_MCT_CTRL2: reg ++;
|
| 406 |
case MENELAUS_MCT_CTRL1:
|
| 407 |
return s->mmc_ctrl[reg];
|
| 408 |
case MENELAUS_MCT_PIN_ST:
|
| 409 |
/* TODO: return the real Card Detect */
|
| 410 |
return 0; |
| 411 |
case MENELAUS_DEBOUNCE1:
|
| 412 |
return s->mmc_debounce;
|
| 413 |
|
| 414 |
default:
|
| 415 |
#ifdef VERBOSE
|
| 416 |
printf("%s: unknown register %02x\n", __FUNCTION__, addr);
|
| 417 |
#endif
|
| 418 |
break;
|
| 419 |
} |
| 420 |
return 0; |
| 421 |
} |
| 422 |
|
| 423 |
static void menelaus_write(void *opaque, uint8_t addr, uint8_t value) |
| 424 |
{
|
| 425 |
struct menelaus_s *s = (struct menelaus_s *) opaque; |
| 426 |
int line;
|
| 427 |
int reg = 0; |
| 428 |
struct tm tm;
|
| 429 |
|
| 430 |
switch (addr) {
|
| 431 |
case MENELAUS_VCORE_CTRL1:
|
| 432 |
s->vcore[0] = (value & 0xe) | MIN(value & 0x1f, 0x12); |
| 433 |
break;
|
| 434 |
case MENELAUS_VCORE_CTRL2:
|
| 435 |
s->vcore[1] = value;
|
| 436 |
break;
|
| 437 |
case MENELAUS_VCORE_CTRL3:
|
| 438 |
s->vcore[2] = MIN(value & 0x1f, 0x12); |
| 439 |
break;
|
| 440 |
case MENELAUS_VCORE_CTRL4:
|
| 441 |
s->vcore[3] = MIN(value & 0x1f, 0x12); |
| 442 |
break;
|
| 443 |
case MENELAUS_VCORE_CTRL5:
|
| 444 |
s->vcore[4] = value & 3; |
| 445 |
/* XXX
|
| 446 |
* auto set to 3 on M_Active, nRESWARM
|
| 447 |
* auto set to 0 on M_WaitOn, M_Backup
|
| 448 |
*/
|
| 449 |
break;
|
| 450 |
|
| 451 |
case MENELAUS_DCDC_CTRL1:
|
| 452 |
s->dcdc[0] = value & 0x3f; |
| 453 |
break;
|
| 454 |
case MENELAUS_DCDC_CTRL2:
|
| 455 |
s->dcdc[1] = value & 0x07; |
| 456 |
/* XXX
|
| 457 |
* auto set to 3 on M_Active, nRESWARM
|
| 458 |
* auto set to 0 on M_WaitOn, M_Backup
|
| 459 |
*/
|
| 460 |
break;
|
| 461 |
case MENELAUS_DCDC_CTRL3:
|
| 462 |
s->dcdc[2] = value & 0x07; |
| 463 |
break;
|
| 464 |
|
| 465 |
case MENELAUS_LDO_CTRL1:
|
| 466 |
s->ldo[0] = value;
|
| 467 |
break;
|
| 468 |
case MENELAUS_LDO_CTRL2:
|
| 469 |
s->ldo[1] = value & 0x7f; |
| 470 |
/* XXX
|
| 471 |
* auto set to 0x7e on M_WaitOn, M_Backup
|
| 472 |
*/
|
| 473 |
break;
|
| 474 |
case MENELAUS_LDO_CTRL3:
|
| 475 |
s->ldo[2] = value & 3; |
| 476 |
/* XXX
|
| 477 |
* auto set to 3 on M_Active, nRESWARM
|
| 478 |
* auto set to 0 on M_WaitOn, M_Backup
|
| 479 |
*/
|
| 480 |
break;
|
| 481 |
case MENELAUS_LDO_CTRL4:
|
| 482 |
s->ldo[3] = value & 3; |
| 483 |
/* XXX
|
| 484 |
* auto set to 3 on M_Active, nRESWARM
|
| 485 |
* auto set to 0 on M_WaitOn, M_Backup
|
| 486 |
*/
|
| 487 |
break;
|
| 488 |
case MENELAUS_LDO_CTRL5:
|
| 489 |
s->ldo[4] = value & 3; |
| 490 |
/* XXX
|
| 491 |
* auto set to 3 on M_Active, nRESWARM
|
| 492 |
* auto set to 0 on M_WaitOn, M_Backup
|
| 493 |
*/
|
| 494 |
break;
|
| 495 |
case MENELAUS_LDO_CTRL6:
|
| 496 |
s->ldo[5] = value & 3; |
| 497 |
break;
|
| 498 |
case MENELAUS_LDO_CTRL7:
|
| 499 |
s->ldo[6] = value & 3; |
| 500 |
break;
|
| 501 |
case MENELAUS_LDO_CTRL8:
|
| 502 |
s->ldo[7] = value & 3; |
| 503 |
break;
|
| 504 |
|
| 505 |
case MENELAUS_SLEEP_CTRL2: reg ++;
|
| 506 |
case MENELAUS_SLEEP_CTRL1:
|
| 507 |
s->sleep[reg] = value; |
| 508 |
break;
|
| 509 |
|
| 510 |
case MENELAUS_DEVICE_OFF:
|
| 511 |
if (value & 1) |
| 512 |
menelaus_reset(&s->i2c); |
| 513 |
break;
|
| 514 |
|
| 515 |
case MENELAUS_OSC_CTRL:
|
| 516 |
s->osc = value & 7;
|
| 517 |
break;
|
| 518 |
|
| 519 |
case MENELAUS_DETECT_CTRL:
|
| 520 |
s->detect = value & 0x7f;
|
| 521 |
break;
|
| 522 |
|
| 523 |
case MENELAUS_INT_MASK1:
|
| 524 |
s->mask &= 0xf00;
|
| 525 |
s->mask |= value << 0;
|
| 526 |
menelaus_update(s); |
| 527 |
break;
|
| 528 |
case MENELAUS_INT_MASK2:
|
| 529 |
s->mask &= 0x0ff;
|
| 530 |
s->mask |= value << 8;
|
| 531 |
menelaus_update(s); |
| 532 |
break;
|
| 533 |
|
| 534 |
case MENELAUS_INT_ACK1:
|
| 535 |
s->status &= ~(((uint16_t) value) << 0);
|
| 536 |
menelaus_update(s); |
| 537 |
break;
|
| 538 |
case MENELAUS_INT_ACK2:
|
| 539 |
s->status &= ~(((uint16_t) value) << 8);
|
| 540 |
menelaus_update(s); |
| 541 |
break;
|
| 542 |
|
| 543 |
case MENELAUS_GPIO_CTRL:
|
| 544 |
for (line = 0; line < 3; line ++) |
| 545 |
if (((s->dir ^ value) >> line) & 1) |
| 546 |
if (s->handler[line])
|
| 547 |
qemu_set_irq(s->handler[line], |
| 548 |
((s->outputs & ~s->dir) >> line) & 1);
|
| 549 |
s->dir = value & 0x67;
|
| 550 |
break;
|
| 551 |
case MENELAUS_GPIO_OUT:
|
| 552 |
for (line = 0; line < 3; line ++) |
| 553 |
if ((((s->outputs ^ value) & ~s->dir) >> line) & 1) |
| 554 |
if (s->handler[line])
|
| 555 |
qemu_set_irq(s->handler[line], (s->outputs >> line) & 1);
|
| 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 |
struct menelaus_s *s = (struct menelaus_s *) 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 |
struct menelaus_s *s = (struct menelaus_s *) 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 |
struct menelaus_s *s = (struct menelaus_s *) i2c; |
| 747 |
|
| 748 |
return menelaus_read(s, s->reg ++);
|
| 749 |
} |
| 750 |
|
| 751 |
static void tm_put(QEMUFile *f, struct tm *tm) { |
| 752 |
qemu_put_be16(f, tm->tm_sec); |
| 753 |
qemu_put_be16(f, tm->tm_min); |
| 754 |
qemu_put_be16(f, tm->tm_hour); |
| 755 |
qemu_put_be16(f, tm->tm_mday); |
| 756 |
qemu_put_be16(f, tm->tm_min); |
| 757 |
qemu_put_be16(f, tm->tm_year); |
| 758 |
} |
| 759 |
|
| 760 |
static void tm_get(QEMUFile *f, struct tm *tm) { |
| 761 |
tm->tm_sec = qemu_get_be16(f); |
| 762 |
tm->tm_min = qemu_get_be16(f); |
| 763 |
tm->tm_hour = qemu_get_be16(f); |
| 764 |
tm->tm_mday = qemu_get_be16(f); |
| 765 |
tm->tm_min = qemu_get_be16(f); |
| 766 |
tm->tm_year = qemu_get_be16(f); |
| 767 |
} |
| 768 |
|
| 769 |
static void menelaus_save(QEMUFile *f, void *opaque) |
| 770 |
{
|
| 771 |
struct menelaus_s *s = (struct menelaus_s *) opaque; |
| 772 |
|
| 773 |
qemu_put_be32(f, s->firstbyte); |
| 774 |
qemu_put_8s(f, &s->reg); |
| 775 |
|
| 776 |
qemu_put_8s(f, &s->vcore[0]);
|
| 777 |
qemu_put_8s(f, &s->vcore[1]);
|
| 778 |
qemu_put_8s(f, &s->vcore[2]);
|
| 779 |
qemu_put_8s(f, &s->vcore[3]);
|
| 780 |
qemu_put_8s(f, &s->vcore[4]);
|
| 781 |
qemu_put_8s(f, &s->dcdc[3]);
|
| 782 |
qemu_put_8s(f, &s->dcdc[3]);
|
| 783 |
qemu_put_8s(f, &s->dcdc[3]);
|
| 784 |
qemu_put_8s(f, &s->ldo[0]);
|
| 785 |
qemu_put_8s(f, &s->ldo[1]);
|
| 786 |
qemu_put_8s(f, &s->ldo[2]);
|
| 787 |
qemu_put_8s(f, &s->ldo[3]);
|
| 788 |
qemu_put_8s(f, &s->ldo[4]);
|
| 789 |
qemu_put_8s(f, &s->ldo[5]);
|
| 790 |
qemu_put_8s(f, &s->ldo[6]);
|
| 791 |
qemu_put_8s(f, &s->ldo[7]);
|
| 792 |
qemu_put_8s(f, &s->sleep[0]);
|
| 793 |
qemu_put_8s(f, &s->sleep[1]);
|
| 794 |
qemu_put_8s(f, &s->osc); |
| 795 |
qemu_put_8s(f, &s->detect); |
| 796 |
qemu_put_be16s(f, &s->mask); |
| 797 |
qemu_put_be16s(f, &s->status); |
| 798 |
qemu_put_8s(f, &s->dir); |
| 799 |
qemu_put_8s(f, &s->inputs); |
| 800 |
qemu_put_8s(f, &s->outputs); |
| 801 |
qemu_put_8s(f, &s->bbsms); |
| 802 |
qemu_put_8s(f, &s->pull[0]);
|
| 803 |
qemu_put_8s(f, &s->pull[1]);
|
| 804 |
qemu_put_8s(f, &s->pull[2]);
|
| 805 |
qemu_put_8s(f, &s->pull[3]);
|
| 806 |
qemu_put_8s(f, &s->mmc_ctrl[0]);
|
| 807 |
qemu_put_8s(f, &s->mmc_ctrl[1]);
|
| 808 |
qemu_put_8s(f, &s->mmc_ctrl[2]);
|
| 809 |
qemu_put_8s(f, &s->mmc_debounce); |
| 810 |
qemu_put_8s(f, &s->rtc.ctrl); |
| 811 |
qemu_put_be16s(f, &s->rtc.comp); |
| 812 |
/* Should be <= 1000 */
|
| 813 |
qemu_put_be16(f, s->rtc.next - qemu_get_clock(rt_clock)); |
| 814 |
tm_put(f, &s->rtc.new); |
| 815 |
tm_put(f, &s->rtc.alm); |
| 816 |
qemu_put_byte(f, s->pwrbtn_state); |
| 817 |
|
| 818 |
i2c_slave_save(f, &s->i2c); |
| 819 |
} |
| 820 |
|
| 821 |
static int menelaus_load(QEMUFile *f, void *opaque, int version_id) |
| 822 |
{
|
| 823 |
struct menelaus_s *s = (struct menelaus_s *) opaque; |
| 824 |
|
| 825 |
s->firstbyte = qemu_get_be32(f); |
| 826 |
qemu_get_8s(f, &s->reg); |
| 827 |
|
| 828 |
if (s->rtc.ctrl & 1) /* RTC_EN */ |
| 829 |
menelaus_rtc_stop(s); |
| 830 |
qemu_get_8s(f, &s->vcore[0]);
|
| 831 |
qemu_get_8s(f, &s->vcore[1]);
|
| 832 |
qemu_get_8s(f, &s->vcore[2]);
|
| 833 |
qemu_get_8s(f, &s->vcore[3]);
|
| 834 |
qemu_get_8s(f, &s->vcore[4]);
|
| 835 |
qemu_get_8s(f, &s->dcdc[3]);
|
| 836 |
qemu_get_8s(f, &s->dcdc[3]);
|
| 837 |
qemu_get_8s(f, &s->dcdc[3]);
|
| 838 |
qemu_get_8s(f, &s->ldo[0]);
|
| 839 |
qemu_get_8s(f, &s->ldo[1]);
|
| 840 |
qemu_get_8s(f, &s->ldo[2]);
|
| 841 |
qemu_get_8s(f, &s->ldo[3]);
|
| 842 |
qemu_get_8s(f, &s->ldo[4]);
|
| 843 |
qemu_get_8s(f, &s->ldo[5]);
|
| 844 |
qemu_get_8s(f, &s->ldo[6]);
|
| 845 |
qemu_get_8s(f, &s->ldo[7]);
|
| 846 |
qemu_get_8s(f, &s->sleep[0]);
|
| 847 |
qemu_get_8s(f, &s->sleep[1]);
|
| 848 |
qemu_get_8s(f, &s->osc); |
| 849 |
qemu_get_8s(f, &s->detect); |
| 850 |
qemu_get_be16s(f, &s->mask); |
| 851 |
qemu_get_be16s(f, &s->status); |
| 852 |
qemu_get_8s(f, &s->dir); |
| 853 |
qemu_get_8s(f, &s->inputs); |
| 854 |
qemu_get_8s(f, &s->outputs); |
| 855 |
qemu_get_8s(f, &s->bbsms); |
| 856 |
qemu_get_8s(f, &s->pull[0]);
|
| 857 |
qemu_get_8s(f, &s->pull[1]);
|
| 858 |
qemu_get_8s(f, &s->pull[2]);
|
| 859 |
qemu_get_8s(f, &s->pull[3]);
|
| 860 |
qemu_get_8s(f, &s->mmc_ctrl[0]);
|
| 861 |
qemu_get_8s(f, &s->mmc_ctrl[1]);
|
| 862 |
qemu_get_8s(f, &s->mmc_ctrl[2]);
|
| 863 |
qemu_get_8s(f, &s->mmc_debounce); |
| 864 |
qemu_get_8s(f, &s->rtc.ctrl); |
| 865 |
qemu_get_be16s(f, &s->rtc.comp); |
| 866 |
s->rtc.next = qemu_get_be16(f); |
| 867 |
tm_get(f, &s->rtc.new); |
| 868 |
tm_get(f, &s->rtc.alm); |
| 869 |
s->pwrbtn_state = qemu_get_byte(f); |
| 870 |
menelaus_alm_update(s); |
| 871 |
menelaus_update(s); |
| 872 |
if (s->rtc.ctrl & 1) /* RTC_EN */ |
| 873 |
menelaus_rtc_start(s); |
| 874 |
|
| 875 |
i2c_slave_load(f, &s->i2c); |
| 876 |
return 0; |
| 877 |
} |
| 878 |
|
| 879 |
static int menelaus_iid = 0; |
| 880 |
|
| 881 |
i2c_slave *twl92230_init(i2c_bus *bus, qemu_irq irq) |
| 882 |
{
|
| 883 |
struct menelaus_s *s = (struct menelaus_s *) |
| 884 |
i2c_slave_init(bus, 0, sizeof(struct menelaus_s)); |
| 885 |
|
| 886 |
s->i2c.event = menelaus_event; |
| 887 |
s->i2c.recv = menelaus_rx; |
| 888 |
s->i2c.send = menelaus_tx; |
| 889 |
|
| 890 |
s->irq = irq; |
| 891 |
s->rtc.hz = qemu_new_timer(rt_clock, menelaus_rtc_hz, s); |
| 892 |
s->in = qemu_allocate_irqs(menelaus_gpio_set, s, 3);
|
| 893 |
s->pwrbtn = qemu_allocate_irqs(menelaus_pwrbtn_set, s, 1)[0]; |
| 894 |
|
| 895 |
menelaus_reset(&s->i2c); |
| 896 |
|
| 897 |
register_savevm("menelaus", menelaus_iid ++,
|
| 898 |
0, menelaus_save, menelaus_load, s);
|
| 899 |
|
| 900 |
return &s->i2c;
|
| 901 |
} |
| 902 |
|
| 903 |
qemu_irq *twl92230_gpio_in_get(i2c_slave *i2c) |
| 904 |
{
|
| 905 |
struct menelaus_s *s = (struct menelaus_s *) i2c; |
| 906 |
|
| 907 |
return s->in;
|
| 908 |
} |
| 909 |
|
| 910 |
void twl92230_gpio_out_set(i2c_slave *i2c, int line, qemu_irq handler) |
| 911 |
{
|
| 912 |
struct menelaus_s *s = (struct menelaus_s *) i2c; |
| 913 |
|
| 914 |
if (line >= 3 || line < 0) { |
| 915 |
fprintf(stderr, "%s: No GPO line %i\n", __FUNCTION__, line);
|
| 916 |
exit(-1);
|
| 917 |
} |
| 918 |
s->handler[line] = handler; |
| 919 |
} |