F: hw/input/lm832x.c
F: hw/input/tsc2005.c
F: hw/misc/cbus.c
-F: hw/timer/twl92230.c
+F: hw/rtc/twl92230.c
F: include/hw/display/blizzard.h
F: include/hw/input/tsc2xxx.h
F: include/hw/misc/cbus.h
config PL031
bool
+config TWL92230
+ bool
+ depends on I2C
+
config MC146818RTC
bool
common-obj-$(CONFIG_M48T59) += m48t59-isa.o
endif
common-obj-$(CONFIG_PL031) += pl031.o
+common-obj-$(CONFIG_TWL92230) += twl92230.o
obj-$(CONFIG_MC146818RTC) += mc146818rtc.o
common-obj-$(CONFIG_SUN4V_RTC) += sun4v-rtc.o
--- /dev/null
+/*
+ * TI TWL92230C energy-management companion device for the OMAP24xx.
+ * Aka. Menelaus (N4200 MENELAUS1_V2.2)
+ *
+ * Copyright (C) 2008 Nokia Corporation
+ * Written by Andrzej Zaborowski <andrew@openedhand.com>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 or
+ * (at your option) version 3 of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include "qemu/osdep.h"
+#include "qemu-common.h"
+#include "qemu/timer.h"
+#include "hw/i2c/i2c.h"
+#include "hw/irq.h"
+#include "migration/qemu-file-types.h"
+#include "migration/vmstate.h"
+#include "sysemu/sysemu.h"
+#include "ui/console.h"
+#include "qemu/bcd.h"
+#include "qemu/module.h"
+
+#define VERBOSE 1
+
+#define TYPE_TWL92230 "twl92230"
+#define TWL92230(obj) OBJECT_CHECK(MenelausState, (obj), TYPE_TWL92230)
+
+typedef struct MenelausState {
+ I2CSlave parent_obj;
+
+ int firstbyte;
+ uint8_t reg;
+
+ uint8_t vcore[5];
+ uint8_t dcdc[3];
+ uint8_t ldo[8];
+ uint8_t sleep[2];
+ uint8_t osc;
+ uint8_t detect;
+ uint16_t mask;
+ uint16_t status;
+ uint8_t dir;
+ uint8_t inputs;
+ uint8_t outputs;
+ uint8_t bbsms;
+ uint8_t pull[4];
+ uint8_t mmc_ctrl[3];
+ uint8_t mmc_debounce;
+ struct {
+ uint8_t ctrl;
+ uint16_t comp;
+ QEMUTimer *hz_tm;
+ int64_t next;
+ struct tm tm;
+ struct tm new;
+ struct tm alm;
+ int sec_offset;
+ int alm_sec;
+ int next_comp;
+ } rtc;
+ uint16_t rtc_next_vmstate;
+ qemu_irq out[4];
+ uint8_t pwrbtn_state;
+} MenelausState;
+
+static inline void menelaus_update(MenelausState *s)
+{
+ qemu_set_irq(s->out[3], s->status & ~s->mask);
+}
+
+static inline void menelaus_rtc_start(MenelausState *s)
+{
+ s->rtc.next += qemu_clock_get_ms(rtc_clock);
+ timer_mod(s->rtc.hz_tm, s->rtc.next);
+}
+
+static inline void menelaus_rtc_stop(MenelausState *s)
+{
+ timer_del(s->rtc.hz_tm);
+ s->rtc.next -= qemu_clock_get_ms(rtc_clock);
+ if (s->rtc.next < 1)
+ s->rtc.next = 1;
+}
+
+static void menelaus_rtc_update(MenelausState *s)
+{
+ qemu_get_timedate(&s->rtc.tm, s->rtc.sec_offset);
+}
+
+static void menelaus_alm_update(MenelausState *s)
+{
+ if ((s->rtc.ctrl & 3) == 3)
+ s->rtc.alm_sec = qemu_timedate_diff(&s->rtc.alm) - s->rtc.sec_offset;
+}
+
+static void menelaus_rtc_hz(void *opaque)
+{
+ MenelausState *s = (MenelausState *) opaque;
+
+ s->rtc.next_comp --;
+ s->rtc.alm_sec --;
+ s->rtc.next += 1000;
+ timer_mod(s->rtc.hz_tm, s->rtc.next);
+ if ((s->rtc.ctrl >> 3) & 3) { /* EVERY */
+ menelaus_rtc_update(s);
+ if (((s->rtc.ctrl >> 3) & 3) == 1 && !s->rtc.tm.tm_sec)
+ s->status |= 1 << 8; /* RTCTMR */
+ else if (((s->rtc.ctrl >> 3) & 3) == 2 && !s->rtc.tm.tm_min)
+ s->status |= 1 << 8; /* RTCTMR */
+ else if (!s->rtc.tm.tm_hour)
+ s->status |= 1 << 8; /* RTCTMR */
+ } else
+ s->status |= 1 << 8; /* RTCTMR */
+ if ((s->rtc.ctrl >> 1) & 1) { /* RTC_AL_EN */
+ if (s->rtc.alm_sec == 0)
+ s->status |= 1 << 9; /* RTCALM */
+ /* TODO: wake-up */
+ }
+ if (s->rtc.next_comp <= 0) {
+ s->rtc.next -= muldiv64((int16_t) s->rtc.comp, 1000, 0x8000);
+ s->rtc.next_comp = 3600;
+ }
+ menelaus_update(s);
+}
+
+static void menelaus_reset(I2CSlave *i2c)
+{
+ MenelausState *s = TWL92230(i2c);
+
+ s->reg = 0x00;
+
+ s->vcore[0] = 0x0c; /* XXX: X-loader needs 0x8c? check! */
+ s->vcore[1] = 0x05;
+ s->vcore[2] = 0x02;
+ s->vcore[3] = 0x0c;
+ s->vcore[4] = 0x03;
+ s->dcdc[0] = 0x33; /* Depends on wiring */
+ s->dcdc[1] = 0x03;
+ s->dcdc[2] = 0x00;
+ s->ldo[0] = 0x95;
+ s->ldo[1] = 0x7e;
+ s->ldo[2] = 0x00;
+ s->ldo[3] = 0x00; /* Depends on wiring */
+ s->ldo[4] = 0x03; /* Depends on wiring */
+ s->ldo[5] = 0x00;
+ s->ldo[6] = 0x00;
+ s->ldo[7] = 0x00;
+ s->sleep[0] = 0x00;
+ s->sleep[1] = 0x00;
+ s->osc = 0x01;
+ s->detect = 0x09;
+ s->mask = 0x0fff;
+ s->status = 0;
+ s->dir = 0x07;
+ s->outputs = 0x00;
+ s->bbsms = 0x00;
+ s->pull[0] = 0x00;
+ s->pull[1] = 0x00;
+ s->pull[2] = 0x00;
+ s->pull[3] = 0x00;
+ s->mmc_ctrl[0] = 0x03;
+ s->mmc_ctrl[1] = 0xc0;
+ s->mmc_ctrl[2] = 0x00;
+ s->mmc_debounce = 0x05;
+
+ if (s->rtc.ctrl & 1)
+ menelaus_rtc_stop(s);
+ s->rtc.ctrl = 0x00;
+ s->rtc.comp = 0x0000;
+ s->rtc.next = 1000;
+ s->rtc.sec_offset = 0;
+ s->rtc.next_comp = 1800;
+ s->rtc.alm_sec = 1800;
+ s->rtc.alm.tm_sec = 0x00;
+ s->rtc.alm.tm_min = 0x00;
+ s->rtc.alm.tm_hour = 0x00;
+ s->rtc.alm.tm_mday = 0x01;
+ s->rtc.alm.tm_mon = 0x00;
+ s->rtc.alm.tm_year = 2004;
+ menelaus_update(s);
+}
+
+static void menelaus_gpio_set(void *opaque, int line, int level)
+{
+ MenelausState *s = (MenelausState *) opaque;
+
+ if (line < 3) {
+ /* No interrupt generated */
+ s->inputs &= ~(1 << line);
+ s->inputs |= level << line;
+ return;
+ }
+
+ if (!s->pwrbtn_state && level) {
+ s->status |= 1 << 11; /* PSHBTN */
+ menelaus_update(s);
+ }
+ s->pwrbtn_state = level;
+}
+
+#define MENELAUS_REV 0x01
+#define MENELAUS_VCORE_CTRL1 0x02
+#define MENELAUS_VCORE_CTRL2 0x03
+#define MENELAUS_VCORE_CTRL3 0x04
+#define MENELAUS_VCORE_CTRL4 0x05
+#define MENELAUS_VCORE_CTRL5 0x06
+#define MENELAUS_DCDC_CTRL1 0x07
+#define MENELAUS_DCDC_CTRL2 0x08
+#define MENELAUS_DCDC_CTRL3 0x09
+#define MENELAUS_LDO_CTRL1 0x0a
+#define MENELAUS_LDO_CTRL2 0x0b
+#define MENELAUS_LDO_CTRL3 0x0c
+#define MENELAUS_LDO_CTRL4 0x0d
+#define MENELAUS_LDO_CTRL5 0x0e
+#define MENELAUS_LDO_CTRL6 0x0f
+#define MENELAUS_LDO_CTRL7 0x10
+#define MENELAUS_LDO_CTRL8 0x11
+#define MENELAUS_SLEEP_CTRL1 0x12
+#define MENELAUS_SLEEP_CTRL2 0x13
+#define MENELAUS_DEVICE_OFF 0x14
+#define MENELAUS_OSC_CTRL 0x15
+#define MENELAUS_DETECT_CTRL 0x16
+#define MENELAUS_INT_MASK1 0x17
+#define MENELAUS_INT_MASK2 0x18
+#define MENELAUS_INT_STATUS1 0x19
+#define MENELAUS_INT_STATUS2 0x1a
+#define MENELAUS_INT_ACK1 0x1b
+#define MENELAUS_INT_ACK2 0x1c
+#define MENELAUS_GPIO_CTRL 0x1d
+#define MENELAUS_GPIO_IN 0x1e
+#define MENELAUS_GPIO_OUT 0x1f
+#define MENELAUS_BBSMS 0x20
+#define MENELAUS_RTC_CTRL 0x21
+#define MENELAUS_RTC_UPDATE 0x22
+#define MENELAUS_RTC_SEC 0x23
+#define MENELAUS_RTC_MIN 0x24
+#define MENELAUS_RTC_HR 0x25
+#define MENELAUS_RTC_DAY 0x26
+#define MENELAUS_RTC_MON 0x27
+#define MENELAUS_RTC_YR 0x28
+#define MENELAUS_RTC_WKDAY 0x29
+#define MENELAUS_RTC_AL_SEC 0x2a
+#define MENELAUS_RTC_AL_MIN 0x2b
+#define MENELAUS_RTC_AL_HR 0x2c
+#define MENELAUS_RTC_AL_DAY 0x2d
+#define MENELAUS_RTC_AL_MON 0x2e
+#define MENELAUS_RTC_AL_YR 0x2f
+#define MENELAUS_RTC_COMP_MSB 0x30
+#define MENELAUS_RTC_COMP_LSB 0x31
+#define MENELAUS_S1_PULL_EN 0x32
+#define MENELAUS_S1_PULL_DIR 0x33
+#define MENELAUS_S2_PULL_EN 0x34
+#define MENELAUS_S2_PULL_DIR 0x35
+#define MENELAUS_MCT_CTRL1 0x36
+#define MENELAUS_MCT_CTRL2 0x37
+#define MENELAUS_MCT_CTRL3 0x38
+#define MENELAUS_MCT_PIN_ST 0x39
+#define MENELAUS_DEBOUNCE1 0x3a
+
+static uint8_t menelaus_read(void *opaque, uint8_t addr)
+{
+ MenelausState *s = (MenelausState *) opaque;
+ int reg = 0;
+
+ switch (addr) {
+ case MENELAUS_REV:
+ return 0x22;
+
+ case MENELAUS_VCORE_CTRL5: reg ++;
+ case MENELAUS_VCORE_CTRL4: reg ++;
+ case MENELAUS_VCORE_CTRL3: reg ++;
+ case MENELAUS_VCORE_CTRL2: reg ++;
+ case MENELAUS_VCORE_CTRL1:
+ return s->vcore[reg];
+
+ case MENELAUS_DCDC_CTRL3: reg ++;
+ case MENELAUS_DCDC_CTRL2: reg ++;
+ case MENELAUS_DCDC_CTRL1:
+ return s->dcdc[reg];
+
+ case MENELAUS_LDO_CTRL8: reg ++;
+ case MENELAUS_LDO_CTRL7: reg ++;
+ case MENELAUS_LDO_CTRL6: reg ++;
+ case MENELAUS_LDO_CTRL5: reg ++;
+ case MENELAUS_LDO_CTRL4: reg ++;
+ case MENELAUS_LDO_CTRL3: reg ++;
+ case MENELAUS_LDO_CTRL2: reg ++;
+ case MENELAUS_LDO_CTRL1:
+ return s->ldo[reg];
+
+ case MENELAUS_SLEEP_CTRL2: reg ++;
+ case MENELAUS_SLEEP_CTRL1:
+ return s->sleep[reg];
+
+ case MENELAUS_DEVICE_OFF:
+ return 0;
+
+ case MENELAUS_OSC_CTRL:
+ return s->osc | (1 << 7); /* CLK32K_GOOD */
+
+ case MENELAUS_DETECT_CTRL:
+ return s->detect;
+
+ case MENELAUS_INT_MASK1:
+ return (s->mask >> 0) & 0xff;
+ case MENELAUS_INT_MASK2:
+ return (s->mask >> 8) & 0xff;
+
+ case MENELAUS_INT_STATUS1:
+ return (s->status >> 0) & 0xff;
+ case MENELAUS_INT_STATUS2:
+ return (s->status >> 8) & 0xff;
+
+ case MENELAUS_INT_ACK1:
+ case MENELAUS_INT_ACK2:
+ return 0;
+
+ case MENELAUS_GPIO_CTRL:
+ return s->dir;
+ case MENELAUS_GPIO_IN:
+ return s->inputs | (~s->dir & s->outputs);
+ case MENELAUS_GPIO_OUT:
+ return s->outputs;
+
+ case MENELAUS_BBSMS:
+ return s->bbsms;
+
+ case MENELAUS_RTC_CTRL:
+ return s->rtc.ctrl;
+ case MENELAUS_RTC_UPDATE:
+ return 0x00;
+ case MENELAUS_RTC_SEC:
+ menelaus_rtc_update(s);
+ return to_bcd(s->rtc.tm.tm_sec);
+ case MENELAUS_RTC_MIN:
+ menelaus_rtc_update(s);
+ return to_bcd(s->rtc.tm.tm_min);
+ case MENELAUS_RTC_HR:
+ menelaus_rtc_update(s);
+ if ((s->rtc.ctrl >> 2) & 1) /* MODE12_n24 */
+ return to_bcd((s->rtc.tm.tm_hour % 12) + 1) |
+ (!!(s->rtc.tm.tm_hour >= 12) << 7); /* PM_nAM */
+ else
+ return to_bcd(s->rtc.tm.tm_hour);
+ case MENELAUS_RTC_DAY:
+ menelaus_rtc_update(s);
+ return to_bcd(s->rtc.tm.tm_mday);
+ case MENELAUS_RTC_MON:
+ menelaus_rtc_update(s);
+ return to_bcd(s->rtc.tm.tm_mon + 1);
+ case MENELAUS_RTC_YR:
+ menelaus_rtc_update(s);
+ return to_bcd(s->rtc.tm.tm_year - 2000);
+ case MENELAUS_RTC_WKDAY:
+ menelaus_rtc_update(s);
+ return to_bcd(s->rtc.tm.tm_wday);
+ case MENELAUS_RTC_AL_SEC:
+ return to_bcd(s->rtc.alm.tm_sec);
+ case MENELAUS_RTC_AL_MIN:
+ return to_bcd(s->rtc.alm.tm_min);
+ case MENELAUS_RTC_AL_HR:
+ if ((s->rtc.ctrl >> 2) & 1) /* MODE12_n24 */
+ return to_bcd((s->rtc.alm.tm_hour % 12) + 1) |
+ (!!(s->rtc.alm.tm_hour >= 12) << 7);/* AL_PM_nAM */
+ else
+ return to_bcd(s->rtc.alm.tm_hour);
+ case MENELAUS_RTC_AL_DAY:
+ return to_bcd(s->rtc.alm.tm_mday);
+ case MENELAUS_RTC_AL_MON:
+ return to_bcd(s->rtc.alm.tm_mon + 1);
+ case MENELAUS_RTC_AL_YR:
+ return to_bcd(s->rtc.alm.tm_year - 2000);
+ case MENELAUS_RTC_COMP_MSB:
+ return (s->rtc.comp >> 8) & 0xff;
+ case MENELAUS_RTC_COMP_LSB:
+ return (s->rtc.comp >> 0) & 0xff;
+
+ case MENELAUS_S1_PULL_EN:
+ return s->pull[0];
+ case MENELAUS_S1_PULL_DIR:
+ return s->pull[1];
+ case MENELAUS_S2_PULL_EN:
+ return s->pull[2];
+ case MENELAUS_S2_PULL_DIR:
+ return s->pull[3];
+
+ case MENELAUS_MCT_CTRL3: reg ++;
+ case MENELAUS_MCT_CTRL2: reg ++;
+ case MENELAUS_MCT_CTRL1:
+ return s->mmc_ctrl[reg];
+ case MENELAUS_MCT_PIN_ST:
+ /* TODO: return the real Card Detect */
+ return 0;
+ case MENELAUS_DEBOUNCE1:
+ return s->mmc_debounce;
+
+ default:
+#ifdef VERBOSE
+ printf("%s: unknown register %02x\n", __func__, addr);
+#endif
+ break;
+ }
+ return 0;
+}
+
+static void menelaus_write(void *opaque, uint8_t addr, uint8_t value)
+{
+ MenelausState *s = (MenelausState *) opaque;
+ int line;
+ int reg = 0;
+ struct tm tm;
+
+ switch (addr) {
+ case MENELAUS_VCORE_CTRL1:
+ s->vcore[0] = (value & 0xe) | MIN(value & 0x1f, 0x12);
+ break;
+ case MENELAUS_VCORE_CTRL2:
+ s->vcore[1] = value;
+ break;
+ case MENELAUS_VCORE_CTRL3:
+ s->vcore[2] = MIN(value & 0x1f, 0x12);
+ break;
+ case MENELAUS_VCORE_CTRL4:
+ s->vcore[3] = MIN(value & 0x1f, 0x12);
+ break;
+ case MENELAUS_VCORE_CTRL5:
+ s->vcore[4] = value & 3;
+ /* XXX
+ * auto set to 3 on M_Active, nRESWARM
+ * auto set to 0 on M_WaitOn, M_Backup
+ */
+ break;
+
+ case MENELAUS_DCDC_CTRL1:
+ s->dcdc[0] = value & 0x3f;
+ break;
+ case MENELAUS_DCDC_CTRL2:
+ s->dcdc[1] = value & 0x07;
+ /* XXX
+ * auto set to 3 on M_Active, nRESWARM
+ * auto set to 0 on M_WaitOn, M_Backup
+ */
+ break;
+ case MENELAUS_DCDC_CTRL3:
+ s->dcdc[2] = value & 0x07;
+ break;
+
+ case MENELAUS_LDO_CTRL1:
+ s->ldo[0] = value;
+ break;
+ case MENELAUS_LDO_CTRL2:
+ s->ldo[1] = value & 0x7f;
+ /* XXX
+ * auto set to 0x7e on M_WaitOn, M_Backup
+ */
+ break;
+ case MENELAUS_LDO_CTRL3:
+ s->ldo[2] = value & 3;
+ /* XXX
+ * auto set to 3 on M_Active, nRESWARM
+ * auto set to 0 on M_WaitOn, M_Backup
+ */
+ break;
+ case MENELAUS_LDO_CTRL4:
+ s->ldo[3] = value & 3;
+ /* XXX
+ * auto set to 3 on M_Active, nRESWARM
+ * auto set to 0 on M_WaitOn, M_Backup
+ */
+ break;
+ case MENELAUS_LDO_CTRL5:
+ s->ldo[4] = value & 3;
+ /* XXX
+ * auto set to 3 on M_Active, nRESWARM
+ * auto set to 0 on M_WaitOn, M_Backup
+ */
+ break;
+ case MENELAUS_LDO_CTRL6:
+ s->ldo[5] = value & 3;
+ break;
+ case MENELAUS_LDO_CTRL7:
+ s->ldo[6] = value & 3;
+ break;
+ case MENELAUS_LDO_CTRL8:
+ s->ldo[7] = value & 3;
+ break;
+
+ case MENELAUS_SLEEP_CTRL2: reg ++;
+ case MENELAUS_SLEEP_CTRL1:
+ s->sleep[reg] = value;
+ break;
+
+ case MENELAUS_DEVICE_OFF:
+ if (value & 1) {
+ menelaus_reset(I2C_SLAVE(s));
+ }
+ break;
+
+ case MENELAUS_OSC_CTRL:
+ s->osc = value & 7;
+ break;
+
+ case MENELAUS_DETECT_CTRL:
+ s->detect = value & 0x7f;
+ break;
+
+ case MENELAUS_INT_MASK1:
+ s->mask &= 0xf00;
+ s->mask |= value << 0;
+ menelaus_update(s);
+ break;
+ case MENELAUS_INT_MASK2:
+ s->mask &= 0x0ff;
+ s->mask |= value << 8;
+ menelaus_update(s);
+ break;
+
+ case MENELAUS_INT_ACK1:
+ s->status &= ~(((uint16_t) value) << 0);
+ menelaus_update(s);
+ break;
+ case MENELAUS_INT_ACK2:
+ s->status &= ~(((uint16_t) value) << 8);
+ menelaus_update(s);
+ break;
+
+ case MENELAUS_GPIO_CTRL:
+ for (line = 0; line < 3; line ++) {
+ if (((s->dir ^ value) >> line) & 1) {
+ qemu_set_irq(s->out[line],
+ ((s->outputs & ~s->dir) >> line) & 1);
+ }
+ }
+ s->dir = value & 0x67;
+ break;
+ case MENELAUS_GPIO_OUT:
+ for (line = 0; line < 3; line ++) {
+ if ((((s->outputs ^ value) & ~s->dir) >> line) & 1) {
+ qemu_set_irq(s->out[line], (s->outputs >> line) & 1);
+ }
+ }
+ s->outputs = value & 0x07;
+ break;
+
+ case MENELAUS_BBSMS:
+ s->bbsms = 0x0d;
+ break;
+
+ case MENELAUS_RTC_CTRL:
+ if ((s->rtc.ctrl ^ value) & 1) { /* RTC_EN */
+ if (value & 1)
+ menelaus_rtc_start(s);
+ else
+ menelaus_rtc_stop(s);
+ }
+ s->rtc.ctrl = value & 0x1f;
+ menelaus_alm_update(s);
+ break;
+ case MENELAUS_RTC_UPDATE:
+ menelaus_rtc_update(s);
+ memcpy(&tm, &s->rtc.tm, sizeof(tm));
+ switch (value & 0xf) {
+ case 0:
+ break;
+ case 1:
+ tm.tm_sec = s->rtc.new.tm_sec;
+ break;
+ case 2:
+ tm.tm_min = s->rtc.new.tm_min;
+ break;
+ case 3:
+ if (s->rtc.new.tm_hour > 23)
+ goto rtc_badness;
+ tm.tm_hour = s->rtc.new.tm_hour;
+ break;
+ case 4:
+ if (s->rtc.new.tm_mday < 1)
+ goto rtc_badness;
+ /* TODO check range */
+ tm.tm_mday = s->rtc.new.tm_mday;
+ break;
+ case 5:
+ if (s->rtc.new.tm_mon < 0 || s->rtc.new.tm_mon > 11)
+ goto rtc_badness;
+ tm.tm_mon = s->rtc.new.tm_mon;
+ break;
+ case 6:
+ tm.tm_year = s->rtc.new.tm_year;
+ break;
+ case 7:
+ /* TODO set .tm_mday instead */
+ tm.tm_wday = s->rtc.new.tm_wday;
+ break;
+ case 8:
+ if (s->rtc.new.tm_hour > 23)
+ goto rtc_badness;
+ if (s->rtc.new.tm_mday < 1)
+ goto rtc_badness;
+ if (s->rtc.new.tm_mon < 0 || s->rtc.new.tm_mon > 11)
+ goto rtc_badness;
+ tm.tm_sec = s->rtc.new.tm_sec;
+ tm.tm_min = s->rtc.new.tm_min;
+ tm.tm_hour = s->rtc.new.tm_hour;
+ tm.tm_mday = s->rtc.new.tm_mday;
+ tm.tm_mon = s->rtc.new.tm_mon;
+ tm.tm_year = s->rtc.new.tm_year;
+ break;
+ rtc_badness:
+ default:
+ fprintf(stderr, "%s: bad RTC_UPDATE value %02x\n",
+ __func__, value);
+ s->status |= 1 << 10; /* RTCERR */
+ menelaus_update(s);
+ }
+ s->rtc.sec_offset = qemu_timedate_diff(&tm);
+ break;
+ case MENELAUS_RTC_SEC:
+ s->rtc.tm.tm_sec = from_bcd(value & 0x7f);
+ break;
+ case MENELAUS_RTC_MIN:
+ s->rtc.tm.tm_min = from_bcd(value & 0x7f);
+ break;
+ case MENELAUS_RTC_HR:
+ s->rtc.tm.tm_hour = (s->rtc.ctrl & (1 << 2)) ? /* MODE12_n24 */
+ MIN(from_bcd(value & 0x3f), 12) + ((value >> 7) ? 11 : -1) :
+ from_bcd(value & 0x3f);
+ break;
+ case MENELAUS_RTC_DAY:
+ s->rtc.tm.tm_mday = from_bcd(value);
+ break;
+ case MENELAUS_RTC_MON:
+ s->rtc.tm.tm_mon = MAX(1, from_bcd(value)) - 1;
+ break;
+ case MENELAUS_RTC_YR:
+ s->rtc.tm.tm_year = 2000 + from_bcd(value);
+ break;
+ case MENELAUS_RTC_WKDAY:
+ s->rtc.tm.tm_mday = from_bcd(value);
+ break;
+ case MENELAUS_RTC_AL_SEC:
+ s->rtc.alm.tm_sec = from_bcd(value & 0x7f);
+ menelaus_alm_update(s);
+ break;
+ case MENELAUS_RTC_AL_MIN:
+ s->rtc.alm.tm_min = from_bcd(value & 0x7f);
+ menelaus_alm_update(s);
+ break;
+ case MENELAUS_RTC_AL_HR:
+ s->rtc.alm.tm_hour = (s->rtc.ctrl & (1 << 2)) ? /* MODE12_n24 */
+ MIN(from_bcd(value & 0x3f), 12) + ((value >> 7) ? 11 : -1) :
+ from_bcd(value & 0x3f);
+ menelaus_alm_update(s);
+ break;
+ case MENELAUS_RTC_AL_DAY:
+ s->rtc.alm.tm_mday = from_bcd(value);
+ menelaus_alm_update(s);
+ break;
+ case MENELAUS_RTC_AL_MON:
+ s->rtc.alm.tm_mon = MAX(1, from_bcd(value)) - 1;
+ menelaus_alm_update(s);
+ break;
+ case MENELAUS_RTC_AL_YR:
+ s->rtc.alm.tm_year = 2000 + from_bcd(value);
+ menelaus_alm_update(s);
+ break;
+ case MENELAUS_RTC_COMP_MSB:
+ s->rtc.comp &= 0xff;
+ s->rtc.comp |= value << 8;
+ break;
+ case MENELAUS_RTC_COMP_LSB:
+ s->rtc.comp &= 0xff << 8;
+ s->rtc.comp |= value;
+ break;
+
+ case MENELAUS_S1_PULL_EN:
+ s->pull[0] = value;
+ break;
+ case MENELAUS_S1_PULL_DIR:
+ s->pull[1] = value & 0x1f;
+ break;
+ case MENELAUS_S2_PULL_EN:
+ s->pull[2] = value;
+ break;
+ case MENELAUS_S2_PULL_DIR:
+ s->pull[3] = value & 0x1f;
+ break;
+
+ case MENELAUS_MCT_CTRL1:
+ s->mmc_ctrl[0] = value & 0x7f;
+ break;
+ case MENELAUS_MCT_CTRL2:
+ s->mmc_ctrl[1] = value;
+ /* TODO update Card Detect interrupts */
+ break;
+ case MENELAUS_MCT_CTRL3:
+ s->mmc_ctrl[2] = value & 0xf;
+ break;
+ case MENELAUS_DEBOUNCE1:
+ s->mmc_debounce = value & 0x3f;
+ break;
+
+ default:
+#ifdef VERBOSE
+ printf("%s: unknown register %02x\n", __func__, addr);
+#endif
+ }
+}
+
+static int menelaus_event(I2CSlave *i2c, enum i2c_event event)
+{
+ MenelausState *s = TWL92230(i2c);
+
+ if (event == I2C_START_SEND)
+ s->firstbyte = 1;
+
+ return 0;
+}
+
+static int menelaus_tx(I2CSlave *i2c, uint8_t data)
+{
+ MenelausState *s = TWL92230(i2c);
+
+ /* Interpret register address byte */
+ if (s->firstbyte) {
+ s->reg = data;
+ s->firstbyte = 0;
+ } else
+ menelaus_write(s, s->reg ++, data);
+
+ return 0;
+}
+
+static uint8_t menelaus_rx(I2CSlave *i2c)
+{
+ MenelausState *s = TWL92230(i2c);
+
+ return menelaus_read(s, s->reg ++);
+}
+
+/* Save restore 32 bit int as uint16_t
+ This is a Big hack, but it is how the old state did it.
+ Or we broke compatibility in the state, or we can't use struct tm
+ */
+
+static int get_int32_as_uint16(QEMUFile *f, void *pv, size_t size,
+ const VMStateField *field)
+{
+ int *v = pv;
+ *v = qemu_get_be16(f);
+ return 0;
+}
+
+static int put_int32_as_uint16(QEMUFile *f, void *pv, size_t size,
+ const VMStateField *field, QJSON *vmdesc)
+{
+ int *v = pv;
+ qemu_put_be16(f, *v);
+
+ return 0;
+}
+
+static const VMStateInfo vmstate_hack_int32_as_uint16 = {
+ .name = "int32_as_uint16",
+ .get = get_int32_as_uint16,
+ .put = put_int32_as_uint16,
+};
+
+#define VMSTATE_UINT16_HACK(_f, _s) \
+ VMSTATE_SINGLE(_f, _s, 0, vmstate_hack_int32_as_uint16, int32_t)
+
+
+static const VMStateDescription vmstate_menelaus_tm = {
+ .name = "menelaus_tm",
+ .version_id = 0,
+ .minimum_version_id = 0,
+ .fields = (VMStateField[]) {
+ VMSTATE_UINT16_HACK(tm_sec, struct tm),
+ VMSTATE_UINT16_HACK(tm_min, struct tm),
+ VMSTATE_UINT16_HACK(tm_hour, struct tm),
+ VMSTATE_UINT16_HACK(tm_mday, struct tm),
+ VMSTATE_UINT16_HACK(tm_min, struct tm),
+ VMSTATE_UINT16_HACK(tm_year, struct tm),
+ VMSTATE_END_OF_LIST()
+ }
+};
+
+static int menelaus_pre_save(void *opaque)
+{
+ MenelausState *s = opaque;
+ /* Should be <= 1000 */
+ s->rtc_next_vmstate = s->rtc.next - qemu_clock_get_ms(rtc_clock);
+
+ return 0;
+}
+
+static int menelaus_post_load(void *opaque, int version_id)
+{
+ MenelausState *s = opaque;
+
+ if (s->rtc.ctrl & 1) /* RTC_EN */
+ menelaus_rtc_stop(s);
+
+ s->rtc.next = s->rtc_next_vmstate;
+
+ menelaus_alm_update(s);
+ menelaus_update(s);
+ if (s->rtc.ctrl & 1) /* RTC_EN */
+ menelaus_rtc_start(s);
+ return 0;
+}
+
+static const VMStateDescription vmstate_menelaus = {
+ .name = "menelaus",
+ .version_id = 0,
+ .minimum_version_id = 0,
+ .pre_save = menelaus_pre_save,
+ .post_load = menelaus_post_load,
+ .fields = (VMStateField[]) {
+ VMSTATE_INT32(firstbyte, MenelausState),
+ VMSTATE_UINT8(reg, MenelausState),
+ VMSTATE_UINT8_ARRAY(vcore, MenelausState, 5),
+ VMSTATE_UINT8_ARRAY(dcdc, MenelausState, 3),
+ VMSTATE_UINT8_ARRAY(ldo, MenelausState, 8),
+ VMSTATE_UINT8_ARRAY(sleep, MenelausState, 2),
+ VMSTATE_UINT8(osc, MenelausState),
+ VMSTATE_UINT8(detect, MenelausState),
+ VMSTATE_UINT16(mask, MenelausState),
+ VMSTATE_UINT16(status, MenelausState),
+ VMSTATE_UINT8(dir, MenelausState),
+ VMSTATE_UINT8(inputs, MenelausState),
+ VMSTATE_UINT8(outputs, MenelausState),
+ VMSTATE_UINT8(bbsms, MenelausState),
+ VMSTATE_UINT8_ARRAY(pull, MenelausState, 4),
+ VMSTATE_UINT8_ARRAY(mmc_ctrl, MenelausState, 3),
+ VMSTATE_UINT8(mmc_debounce, MenelausState),
+ VMSTATE_UINT8(rtc.ctrl, MenelausState),
+ VMSTATE_UINT16(rtc.comp, MenelausState),
+ VMSTATE_UINT16(rtc_next_vmstate, MenelausState),
+ VMSTATE_STRUCT(rtc.new, MenelausState, 0, vmstate_menelaus_tm,
+ struct tm),
+ VMSTATE_STRUCT(rtc.alm, MenelausState, 0, vmstate_menelaus_tm,
+ struct tm),
+ VMSTATE_UINT8(pwrbtn_state, MenelausState),
+ VMSTATE_I2C_SLAVE(parent_obj, MenelausState),
+ VMSTATE_END_OF_LIST()
+ }
+};
+
+static void twl92230_realize(DeviceState *dev, Error **errp)
+{
+ MenelausState *s = TWL92230(dev);
+
+ s->rtc.hz_tm = timer_new_ms(rtc_clock, menelaus_rtc_hz, s);
+ /* Three output pins plus one interrupt pin. */
+ qdev_init_gpio_out(dev, s->out, 4);
+
+ /* Three input pins plus one power-button pin. */
+ qdev_init_gpio_in(dev, menelaus_gpio_set, 4);
+
+ menelaus_reset(I2C_SLAVE(dev));
+}
+
+static void twl92230_class_init(ObjectClass *klass, void *data)
+{
+ DeviceClass *dc = DEVICE_CLASS(klass);
+ I2CSlaveClass *sc = I2C_SLAVE_CLASS(klass);
+
+ dc->realize = twl92230_realize;
+ sc->event = menelaus_event;
+ sc->recv = menelaus_rx;
+ sc->send = menelaus_tx;
+ dc->vmsd = &vmstate_menelaus;
+}
+
+static const TypeInfo twl92230_info = {
+ .name = TYPE_TWL92230,
+ .parent = TYPE_I2C_SLAVE,
+ .instance_size = sizeof(MenelausState),
+ .class_init = twl92230_class_init,
+};
+
+static void twl92230_register_types(void)
+{
+ type_register_static(&twl92230_info);
+}
+
+type_init(twl92230_register_types)
config I8254
bool
-config TWL92230
- bool
- depends on I2C
-
config ALTERA_TIMER
bool
select PTIMER
common-obj-$(CONFIG_HPET) += hpet.o
common-obj-$(CONFIG_I8254) += i8254_common.o i8254.o
common-obj-$(CONFIG_PUV3) += puv3_ost.o
-common-obj-$(CONFIG_TWL92230) += twl92230.o
common-obj-$(CONFIG_XILINX) += xilinx_timer.o
common-obj-$(CONFIG_SLAVIO) += slavio_timer.o
common-obj-$(CONFIG_ETRAXFS) += etraxfs_timer.o
+++ /dev/null
-/*
- * TI TWL92230C energy-management companion device for the OMAP24xx.
- * Aka. Menelaus (N4200 MENELAUS1_V2.2)
- *
- * Copyright (C) 2008 Nokia Corporation
- * Written by Andrzej Zaborowski <andrew@openedhand.com>
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation; either version 2 or
- * (at your option) version 3 of the License.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License along
- * with this program; if not, see <http://www.gnu.org/licenses/>.
- */
-
-#include "qemu/osdep.h"
-#include "qemu-common.h"
-#include "qemu/timer.h"
-#include "hw/i2c/i2c.h"
-#include "hw/irq.h"
-#include "migration/qemu-file-types.h"
-#include "migration/vmstate.h"
-#include "sysemu/sysemu.h"
-#include "ui/console.h"
-#include "qemu/bcd.h"
-#include "qemu/module.h"
-
-#define VERBOSE 1
-
-#define TYPE_TWL92230 "twl92230"
-#define TWL92230(obj) OBJECT_CHECK(MenelausState, (obj), TYPE_TWL92230)
-
-typedef struct MenelausState {
- I2CSlave parent_obj;
-
- int firstbyte;
- uint8_t reg;
-
- uint8_t vcore[5];
- uint8_t dcdc[3];
- uint8_t ldo[8];
- uint8_t sleep[2];
- uint8_t osc;
- uint8_t detect;
- uint16_t mask;
- uint16_t status;
- uint8_t dir;
- uint8_t inputs;
- uint8_t outputs;
- uint8_t bbsms;
- uint8_t pull[4];
- uint8_t mmc_ctrl[3];
- uint8_t mmc_debounce;
- struct {
- uint8_t ctrl;
- uint16_t comp;
- QEMUTimer *hz_tm;
- int64_t next;
- struct tm tm;
- struct tm new;
- struct tm alm;
- int sec_offset;
- int alm_sec;
- int next_comp;
- } rtc;
- uint16_t rtc_next_vmstate;
- qemu_irq out[4];
- uint8_t pwrbtn_state;
-} MenelausState;
-
-static inline void menelaus_update(MenelausState *s)
-{
- qemu_set_irq(s->out[3], s->status & ~s->mask);
-}
-
-static inline void menelaus_rtc_start(MenelausState *s)
-{
- s->rtc.next += qemu_clock_get_ms(rtc_clock);
- timer_mod(s->rtc.hz_tm, s->rtc.next);
-}
-
-static inline void menelaus_rtc_stop(MenelausState *s)
-{
- timer_del(s->rtc.hz_tm);
- s->rtc.next -= qemu_clock_get_ms(rtc_clock);
- if (s->rtc.next < 1)
- s->rtc.next = 1;
-}
-
-static void menelaus_rtc_update(MenelausState *s)
-{
- qemu_get_timedate(&s->rtc.tm, s->rtc.sec_offset);
-}
-
-static void menelaus_alm_update(MenelausState *s)
-{
- if ((s->rtc.ctrl & 3) == 3)
- s->rtc.alm_sec = qemu_timedate_diff(&s->rtc.alm) - s->rtc.sec_offset;
-}
-
-static void menelaus_rtc_hz(void *opaque)
-{
- MenelausState *s = (MenelausState *) opaque;
-
- s->rtc.next_comp --;
- s->rtc.alm_sec --;
- s->rtc.next += 1000;
- timer_mod(s->rtc.hz_tm, s->rtc.next);
- if ((s->rtc.ctrl >> 3) & 3) { /* EVERY */
- menelaus_rtc_update(s);
- if (((s->rtc.ctrl >> 3) & 3) == 1 && !s->rtc.tm.tm_sec)
- s->status |= 1 << 8; /* RTCTMR */
- else if (((s->rtc.ctrl >> 3) & 3) == 2 && !s->rtc.tm.tm_min)
- s->status |= 1 << 8; /* RTCTMR */
- else if (!s->rtc.tm.tm_hour)
- s->status |= 1 << 8; /* RTCTMR */
- } else
- s->status |= 1 << 8; /* RTCTMR */
- if ((s->rtc.ctrl >> 1) & 1) { /* RTC_AL_EN */
- if (s->rtc.alm_sec == 0)
- s->status |= 1 << 9; /* RTCALM */
- /* TODO: wake-up */
- }
- if (s->rtc.next_comp <= 0) {
- s->rtc.next -= muldiv64((int16_t) s->rtc.comp, 1000, 0x8000);
- s->rtc.next_comp = 3600;
- }
- menelaus_update(s);
-}
-
-static void menelaus_reset(I2CSlave *i2c)
-{
- MenelausState *s = TWL92230(i2c);
-
- s->reg = 0x00;
-
- s->vcore[0] = 0x0c; /* XXX: X-loader needs 0x8c? check! */
- s->vcore[1] = 0x05;
- s->vcore[2] = 0x02;
- s->vcore[3] = 0x0c;
- s->vcore[4] = 0x03;
- s->dcdc[0] = 0x33; /* Depends on wiring */
- s->dcdc[1] = 0x03;
- s->dcdc[2] = 0x00;
- s->ldo[0] = 0x95;
- s->ldo[1] = 0x7e;
- s->ldo[2] = 0x00;
- s->ldo[3] = 0x00; /* Depends on wiring */
- s->ldo[4] = 0x03; /* Depends on wiring */
- s->ldo[5] = 0x00;
- s->ldo[6] = 0x00;
- s->ldo[7] = 0x00;
- s->sleep[0] = 0x00;
- s->sleep[1] = 0x00;
- s->osc = 0x01;
- s->detect = 0x09;
- s->mask = 0x0fff;
- s->status = 0;
- s->dir = 0x07;
- s->outputs = 0x00;
- s->bbsms = 0x00;
- s->pull[0] = 0x00;
- s->pull[1] = 0x00;
- s->pull[2] = 0x00;
- s->pull[3] = 0x00;
- s->mmc_ctrl[0] = 0x03;
- s->mmc_ctrl[1] = 0xc0;
- s->mmc_ctrl[2] = 0x00;
- s->mmc_debounce = 0x05;
-
- if (s->rtc.ctrl & 1)
- menelaus_rtc_stop(s);
- s->rtc.ctrl = 0x00;
- s->rtc.comp = 0x0000;
- s->rtc.next = 1000;
- s->rtc.sec_offset = 0;
- s->rtc.next_comp = 1800;
- s->rtc.alm_sec = 1800;
- s->rtc.alm.tm_sec = 0x00;
- s->rtc.alm.tm_min = 0x00;
- s->rtc.alm.tm_hour = 0x00;
- s->rtc.alm.tm_mday = 0x01;
- s->rtc.alm.tm_mon = 0x00;
- s->rtc.alm.tm_year = 2004;
- menelaus_update(s);
-}
-
-static void menelaus_gpio_set(void *opaque, int line, int level)
-{
- MenelausState *s = (MenelausState *) opaque;
-
- if (line < 3) {
- /* No interrupt generated */
- s->inputs &= ~(1 << line);
- s->inputs |= level << line;
- return;
- }
-
- if (!s->pwrbtn_state && level) {
- s->status |= 1 << 11; /* PSHBTN */
- menelaus_update(s);
- }
- s->pwrbtn_state = level;
-}
-
-#define MENELAUS_REV 0x01
-#define MENELAUS_VCORE_CTRL1 0x02
-#define MENELAUS_VCORE_CTRL2 0x03
-#define MENELAUS_VCORE_CTRL3 0x04
-#define MENELAUS_VCORE_CTRL4 0x05
-#define MENELAUS_VCORE_CTRL5 0x06
-#define MENELAUS_DCDC_CTRL1 0x07
-#define MENELAUS_DCDC_CTRL2 0x08
-#define MENELAUS_DCDC_CTRL3 0x09
-#define MENELAUS_LDO_CTRL1 0x0a
-#define MENELAUS_LDO_CTRL2 0x0b
-#define MENELAUS_LDO_CTRL3 0x0c
-#define MENELAUS_LDO_CTRL4 0x0d
-#define MENELAUS_LDO_CTRL5 0x0e
-#define MENELAUS_LDO_CTRL6 0x0f
-#define MENELAUS_LDO_CTRL7 0x10
-#define MENELAUS_LDO_CTRL8 0x11
-#define MENELAUS_SLEEP_CTRL1 0x12
-#define MENELAUS_SLEEP_CTRL2 0x13
-#define MENELAUS_DEVICE_OFF 0x14
-#define MENELAUS_OSC_CTRL 0x15
-#define MENELAUS_DETECT_CTRL 0x16
-#define MENELAUS_INT_MASK1 0x17
-#define MENELAUS_INT_MASK2 0x18
-#define MENELAUS_INT_STATUS1 0x19
-#define MENELAUS_INT_STATUS2 0x1a
-#define MENELAUS_INT_ACK1 0x1b
-#define MENELAUS_INT_ACK2 0x1c
-#define MENELAUS_GPIO_CTRL 0x1d
-#define MENELAUS_GPIO_IN 0x1e
-#define MENELAUS_GPIO_OUT 0x1f
-#define MENELAUS_BBSMS 0x20
-#define MENELAUS_RTC_CTRL 0x21
-#define MENELAUS_RTC_UPDATE 0x22
-#define MENELAUS_RTC_SEC 0x23
-#define MENELAUS_RTC_MIN 0x24
-#define MENELAUS_RTC_HR 0x25
-#define MENELAUS_RTC_DAY 0x26
-#define MENELAUS_RTC_MON 0x27
-#define MENELAUS_RTC_YR 0x28
-#define MENELAUS_RTC_WKDAY 0x29
-#define MENELAUS_RTC_AL_SEC 0x2a
-#define MENELAUS_RTC_AL_MIN 0x2b
-#define MENELAUS_RTC_AL_HR 0x2c
-#define MENELAUS_RTC_AL_DAY 0x2d
-#define MENELAUS_RTC_AL_MON 0x2e
-#define MENELAUS_RTC_AL_YR 0x2f
-#define MENELAUS_RTC_COMP_MSB 0x30
-#define MENELAUS_RTC_COMP_LSB 0x31
-#define MENELAUS_S1_PULL_EN 0x32
-#define MENELAUS_S1_PULL_DIR 0x33
-#define MENELAUS_S2_PULL_EN 0x34
-#define MENELAUS_S2_PULL_DIR 0x35
-#define MENELAUS_MCT_CTRL1 0x36
-#define MENELAUS_MCT_CTRL2 0x37
-#define MENELAUS_MCT_CTRL3 0x38
-#define MENELAUS_MCT_PIN_ST 0x39
-#define MENELAUS_DEBOUNCE1 0x3a
-
-static uint8_t menelaus_read(void *opaque, uint8_t addr)
-{
- MenelausState *s = (MenelausState *) opaque;
- int reg = 0;
-
- switch (addr) {
- case MENELAUS_REV:
- return 0x22;
-
- case MENELAUS_VCORE_CTRL5: reg ++;
- case MENELAUS_VCORE_CTRL4: reg ++;
- case MENELAUS_VCORE_CTRL3: reg ++;
- case MENELAUS_VCORE_CTRL2: reg ++;
- case MENELAUS_VCORE_CTRL1:
- return s->vcore[reg];
-
- case MENELAUS_DCDC_CTRL3: reg ++;
- case MENELAUS_DCDC_CTRL2: reg ++;
- case MENELAUS_DCDC_CTRL1:
- return s->dcdc[reg];
-
- case MENELAUS_LDO_CTRL8: reg ++;
- case MENELAUS_LDO_CTRL7: reg ++;
- case MENELAUS_LDO_CTRL6: reg ++;
- case MENELAUS_LDO_CTRL5: reg ++;
- case MENELAUS_LDO_CTRL4: reg ++;
- case MENELAUS_LDO_CTRL3: reg ++;
- case MENELAUS_LDO_CTRL2: reg ++;
- case MENELAUS_LDO_CTRL1:
- return s->ldo[reg];
-
- case MENELAUS_SLEEP_CTRL2: reg ++;
- case MENELAUS_SLEEP_CTRL1:
- return s->sleep[reg];
-
- case MENELAUS_DEVICE_OFF:
- return 0;
-
- case MENELAUS_OSC_CTRL:
- return s->osc | (1 << 7); /* CLK32K_GOOD */
-
- case MENELAUS_DETECT_CTRL:
- return s->detect;
-
- case MENELAUS_INT_MASK1:
- return (s->mask >> 0) & 0xff;
- case MENELAUS_INT_MASK2:
- return (s->mask >> 8) & 0xff;
-
- case MENELAUS_INT_STATUS1:
- return (s->status >> 0) & 0xff;
- case MENELAUS_INT_STATUS2:
- return (s->status >> 8) & 0xff;
-
- case MENELAUS_INT_ACK1:
- case MENELAUS_INT_ACK2:
- return 0;
-
- case MENELAUS_GPIO_CTRL:
- return s->dir;
- case MENELAUS_GPIO_IN:
- return s->inputs | (~s->dir & s->outputs);
- case MENELAUS_GPIO_OUT:
- return s->outputs;
-
- case MENELAUS_BBSMS:
- return s->bbsms;
-
- case MENELAUS_RTC_CTRL:
- return s->rtc.ctrl;
- case MENELAUS_RTC_UPDATE:
- return 0x00;
- case MENELAUS_RTC_SEC:
- menelaus_rtc_update(s);
- return to_bcd(s->rtc.tm.tm_sec);
- case MENELAUS_RTC_MIN:
- menelaus_rtc_update(s);
- return to_bcd(s->rtc.tm.tm_min);
- case MENELAUS_RTC_HR:
- menelaus_rtc_update(s);
- if ((s->rtc.ctrl >> 2) & 1) /* MODE12_n24 */
- return to_bcd((s->rtc.tm.tm_hour % 12) + 1) |
- (!!(s->rtc.tm.tm_hour >= 12) << 7); /* PM_nAM */
- else
- return to_bcd(s->rtc.tm.tm_hour);
- case MENELAUS_RTC_DAY:
- menelaus_rtc_update(s);
- return to_bcd(s->rtc.tm.tm_mday);
- case MENELAUS_RTC_MON:
- menelaus_rtc_update(s);
- return to_bcd(s->rtc.tm.tm_mon + 1);
- case MENELAUS_RTC_YR:
- menelaus_rtc_update(s);
- return to_bcd(s->rtc.tm.tm_year - 2000);
- case MENELAUS_RTC_WKDAY:
- menelaus_rtc_update(s);
- return to_bcd(s->rtc.tm.tm_wday);
- case MENELAUS_RTC_AL_SEC:
- return to_bcd(s->rtc.alm.tm_sec);
- case MENELAUS_RTC_AL_MIN:
- return to_bcd(s->rtc.alm.tm_min);
- case MENELAUS_RTC_AL_HR:
- if ((s->rtc.ctrl >> 2) & 1) /* MODE12_n24 */
- return to_bcd((s->rtc.alm.tm_hour % 12) + 1) |
- (!!(s->rtc.alm.tm_hour >= 12) << 7);/* AL_PM_nAM */
- else
- return to_bcd(s->rtc.alm.tm_hour);
- case MENELAUS_RTC_AL_DAY:
- return to_bcd(s->rtc.alm.tm_mday);
- case MENELAUS_RTC_AL_MON:
- return to_bcd(s->rtc.alm.tm_mon + 1);
- case MENELAUS_RTC_AL_YR:
- return to_bcd(s->rtc.alm.tm_year - 2000);
- case MENELAUS_RTC_COMP_MSB:
- return (s->rtc.comp >> 8) & 0xff;
- case MENELAUS_RTC_COMP_LSB:
- return (s->rtc.comp >> 0) & 0xff;
-
- case MENELAUS_S1_PULL_EN:
- return s->pull[0];
- case MENELAUS_S1_PULL_DIR:
- return s->pull[1];
- case MENELAUS_S2_PULL_EN:
- return s->pull[2];
- case MENELAUS_S2_PULL_DIR:
- return s->pull[3];
-
- case MENELAUS_MCT_CTRL3: reg ++;
- case MENELAUS_MCT_CTRL2: reg ++;
- case MENELAUS_MCT_CTRL1:
- return s->mmc_ctrl[reg];
- case MENELAUS_MCT_PIN_ST:
- /* TODO: return the real Card Detect */
- return 0;
- case MENELAUS_DEBOUNCE1:
- return s->mmc_debounce;
-
- default:
-#ifdef VERBOSE
- printf("%s: unknown register %02x\n", __func__, addr);
-#endif
- break;
- }
- return 0;
-}
-
-static void menelaus_write(void *opaque, uint8_t addr, uint8_t value)
-{
- MenelausState *s = (MenelausState *) opaque;
- int line;
- int reg = 0;
- struct tm tm;
-
- switch (addr) {
- case MENELAUS_VCORE_CTRL1:
- s->vcore[0] = (value & 0xe) | MIN(value & 0x1f, 0x12);
- break;
- case MENELAUS_VCORE_CTRL2:
- s->vcore[1] = value;
- break;
- case MENELAUS_VCORE_CTRL3:
- s->vcore[2] = MIN(value & 0x1f, 0x12);
- break;
- case MENELAUS_VCORE_CTRL4:
- s->vcore[3] = MIN(value & 0x1f, 0x12);
- break;
- case MENELAUS_VCORE_CTRL5:
- s->vcore[4] = value & 3;
- /* XXX
- * auto set to 3 on M_Active, nRESWARM
- * auto set to 0 on M_WaitOn, M_Backup
- */
- break;
-
- case MENELAUS_DCDC_CTRL1:
- s->dcdc[0] = value & 0x3f;
- break;
- case MENELAUS_DCDC_CTRL2:
- s->dcdc[1] = value & 0x07;
- /* XXX
- * auto set to 3 on M_Active, nRESWARM
- * auto set to 0 on M_WaitOn, M_Backup
- */
- break;
- case MENELAUS_DCDC_CTRL3:
- s->dcdc[2] = value & 0x07;
- break;
-
- case MENELAUS_LDO_CTRL1:
- s->ldo[0] = value;
- break;
- case MENELAUS_LDO_CTRL2:
- s->ldo[1] = value & 0x7f;
- /* XXX
- * auto set to 0x7e on M_WaitOn, M_Backup
- */
- break;
- case MENELAUS_LDO_CTRL3:
- s->ldo[2] = value & 3;
- /* XXX
- * auto set to 3 on M_Active, nRESWARM
- * auto set to 0 on M_WaitOn, M_Backup
- */
- break;
- case MENELAUS_LDO_CTRL4:
- s->ldo[3] = value & 3;
- /* XXX
- * auto set to 3 on M_Active, nRESWARM
- * auto set to 0 on M_WaitOn, M_Backup
- */
- break;
- case MENELAUS_LDO_CTRL5:
- s->ldo[4] = value & 3;
- /* XXX
- * auto set to 3 on M_Active, nRESWARM
- * auto set to 0 on M_WaitOn, M_Backup
- */
- break;
- case MENELAUS_LDO_CTRL6:
- s->ldo[5] = value & 3;
- break;
- case MENELAUS_LDO_CTRL7:
- s->ldo[6] = value & 3;
- break;
- case MENELAUS_LDO_CTRL8:
- s->ldo[7] = value & 3;
- break;
-
- case MENELAUS_SLEEP_CTRL2: reg ++;
- case MENELAUS_SLEEP_CTRL1:
- s->sleep[reg] = value;
- break;
-
- case MENELAUS_DEVICE_OFF:
- if (value & 1) {
- menelaus_reset(I2C_SLAVE(s));
- }
- break;
-
- case MENELAUS_OSC_CTRL:
- s->osc = value & 7;
- break;
-
- case MENELAUS_DETECT_CTRL:
- s->detect = value & 0x7f;
- break;
-
- case MENELAUS_INT_MASK1:
- s->mask &= 0xf00;
- s->mask |= value << 0;
- menelaus_update(s);
- break;
- case MENELAUS_INT_MASK2:
- s->mask &= 0x0ff;
- s->mask |= value << 8;
- menelaus_update(s);
- break;
-
- case MENELAUS_INT_ACK1:
- s->status &= ~(((uint16_t) value) << 0);
- menelaus_update(s);
- break;
- case MENELAUS_INT_ACK2:
- s->status &= ~(((uint16_t) value) << 8);
- menelaus_update(s);
- break;
-
- case MENELAUS_GPIO_CTRL:
- for (line = 0; line < 3; line ++) {
- if (((s->dir ^ value) >> line) & 1) {
- qemu_set_irq(s->out[line],
- ((s->outputs & ~s->dir) >> line) & 1);
- }
- }
- s->dir = value & 0x67;
- break;
- case MENELAUS_GPIO_OUT:
- for (line = 0; line < 3; line ++) {
- if ((((s->outputs ^ value) & ~s->dir) >> line) & 1) {
- qemu_set_irq(s->out[line], (s->outputs >> line) & 1);
- }
- }
- s->outputs = value & 0x07;
- break;
-
- case MENELAUS_BBSMS:
- s->bbsms = 0x0d;
- break;
-
- case MENELAUS_RTC_CTRL:
- if ((s->rtc.ctrl ^ value) & 1) { /* RTC_EN */
- if (value & 1)
- menelaus_rtc_start(s);
- else
- menelaus_rtc_stop(s);
- }
- s->rtc.ctrl = value & 0x1f;
- menelaus_alm_update(s);
- break;
- case MENELAUS_RTC_UPDATE:
- menelaus_rtc_update(s);
- memcpy(&tm, &s->rtc.tm, sizeof(tm));
- switch (value & 0xf) {
- case 0:
- break;
- case 1:
- tm.tm_sec = s->rtc.new.tm_sec;
- break;
- case 2:
- tm.tm_min = s->rtc.new.tm_min;
- break;
- case 3:
- if (s->rtc.new.tm_hour > 23)
- goto rtc_badness;
- tm.tm_hour = s->rtc.new.tm_hour;
- break;
- case 4:
- if (s->rtc.new.tm_mday < 1)
- goto rtc_badness;
- /* TODO check range */
- tm.tm_mday = s->rtc.new.tm_mday;
- break;
- case 5:
- if (s->rtc.new.tm_mon < 0 || s->rtc.new.tm_mon > 11)
- goto rtc_badness;
- tm.tm_mon = s->rtc.new.tm_mon;
- break;
- case 6:
- tm.tm_year = s->rtc.new.tm_year;
- break;
- case 7:
- /* TODO set .tm_mday instead */
- tm.tm_wday = s->rtc.new.tm_wday;
- break;
- case 8:
- if (s->rtc.new.tm_hour > 23)
- goto rtc_badness;
- if (s->rtc.new.tm_mday < 1)
- goto rtc_badness;
- if (s->rtc.new.tm_mon < 0 || s->rtc.new.tm_mon > 11)
- goto rtc_badness;
- tm.tm_sec = s->rtc.new.tm_sec;
- tm.tm_min = s->rtc.new.tm_min;
- tm.tm_hour = s->rtc.new.tm_hour;
- tm.tm_mday = s->rtc.new.tm_mday;
- tm.tm_mon = s->rtc.new.tm_mon;
- tm.tm_year = s->rtc.new.tm_year;
- break;
- rtc_badness:
- default:
- fprintf(stderr, "%s: bad RTC_UPDATE value %02x\n",
- __func__, value);
- s->status |= 1 << 10; /* RTCERR */
- menelaus_update(s);
- }
- s->rtc.sec_offset = qemu_timedate_diff(&tm);
- break;
- case MENELAUS_RTC_SEC:
- s->rtc.tm.tm_sec = from_bcd(value & 0x7f);
- break;
- case MENELAUS_RTC_MIN:
- s->rtc.tm.tm_min = from_bcd(value & 0x7f);
- break;
- case MENELAUS_RTC_HR:
- s->rtc.tm.tm_hour = (s->rtc.ctrl & (1 << 2)) ? /* MODE12_n24 */
- MIN(from_bcd(value & 0x3f), 12) + ((value >> 7) ? 11 : -1) :
- from_bcd(value & 0x3f);
- break;
- case MENELAUS_RTC_DAY:
- s->rtc.tm.tm_mday = from_bcd(value);
- break;
- case MENELAUS_RTC_MON:
- s->rtc.tm.tm_mon = MAX(1, from_bcd(value)) - 1;
- break;
- case MENELAUS_RTC_YR:
- s->rtc.tm.tm_year = 2000 + from_bcd(value);
- break;
- case MENELAUS_RTC_WKDAY:
- s->rtc.tm.tm_mday = from_bcd(value);
- break;
- case MENELAUS_RTC_AL_SEC:
- s->rtc.alm.tm_sec = from_bcd(value & 0x7f);
- menelaus_alm_update(s);
- break;
- case MENELAUS_RTC_AL_MIN:
- s->rtc.alm.tm_min = from_bcd(value & 0x7f);
- menelaus_alm_update(s);
- break;
- case MENELAUS_RTC_AL_HR:
- s->rtc.alm.tm_hour = (s->rtc.ctrl & (1 << 2)) ? /* MODE12_n24 */
- MIN(from_bcd(value & 0x3f), 12) + ((value >> 7) ? 11 : -1) :
- from_bcd(value & 0x3f);
- menelaus_alm_update(s);
- break;
- case MENELAUS_RTC_AL_DAY:
- s->rtc.alm.tm_mday = from_bcd(value);
- menelaus_alm_update(s);
- break;
- case MENELAUS_RTC_AL_MON:
- s->rtc.alm.tm_mon = MAX(1, from_bcd(value)) - 1;
- menelaus_alm_update(s);
- break;
- case MENELAUS_RTC_AL_YR:
- s->rtc.alm.tm_year = 2000 + from_bcd(value);
- menelaus_alm_update(s);
- break;
- case MENELAUS_RTC_COMP_MSB:
- s->rtc.comp &= 0xff;
- s->rtc.comp |= value << 8;
- break;
- case MENELAUS_RTC_COMP_LSB:
- s->rtc.comp &= 0xff << 8;
- s->rtc.comp |= value;
- break;
-
- case MENELAUS_S1_PULL_EN:
- s->pull[0] = value;
- break;
- case MENELAUS_S1_PULL_DIR:
- s->pull[1] = value & 0x1f;
- break;
- case MENELAUS_S2_PULL_EN:
- s->pull[2] = value;
- break;
- case MENELAUS_S2_PULL_DIR:
- s->pull[3] = value & 0x1f;
- break;
-
- case MENELAUS_MCT_CTRL1:
- s->mmc_ctrl[0] = value & 0x7f;
- break;
- case MENELAUS_MCT_CTRL2:
- s->mmc_ctrl[1] = value;
- /* TODO update Card Detect interrupts */
- break;
- case MENELAUS_MCT_CTRL3:
- s->mmc_ctrl[2] = value & 0xf;
- break;
- case MENELAUS_DEBOUNCE1:
- s->mmc_debounce = value & 0x3f;
- break;
-
- default:
-#ifdef VERBOSE
- printf("%s: unknown register %02x\n", __func__, addr);
-#endif
- }
-}
-
-static int menelaus_event(I2CSlave *i2c, enum i2c_event event)
-{
- MenelausState *s = TWL92230(i2c);
-
- if (event == I2C_START_SEND)
- s->firstbyte = 1;
-
- return 0;
-}
-
-static int menelaus_tx(I2CSlave *i2c, uint8_t data)
-{
- MenelausState *s = TWL92230(i2c);
-
- /* Interpret register address byte */
- if (s->firstbyte) {
- s->reg = data;
- s->firstbyte = 0;
- } else
- menelaus_write(s, s->reg ++, data);
-
- return 0;
-}
-
-static uint8_t menelaus_rx(I2CSlave *i2c)
-{
- MenelausState *s = TWL92230(i2c);
-
- return menelaus_read(s, s->reg ++);
-}
-
-/* Save restore 32 bit int as uint16_t
- This is a Big hack, but it is how the old state did it.
- Or we broke compatibility in the state, or we can't use struct tm
- */
-
-static int get_int32_as_uint16(QEMUFile *f, void *pv, size_t size,
- const VMStateField *field)
-{
- int *v = pv;
- *v = qemu_get_be16(f);
- return 0;
-}
-
-static int put_int32_as_uint16(QEMUFile *f, void *pv, size_t size,
- const VMStateField *field, QJSON *vmdesc)
-{
- int *v = pv;
- qemu_put_be16(f, *v);
-
- return 0;
-}
-
-static const VMStateInfo vmstate_hack_int32_as_uint16 = {
- .name = "int32_as_uint16",
- .get = get_int32_as_uint16,
- .put = put_int32_as_uint16,
-};
-
-#define VMSTATE_UINT16_HACK(_f, _s) \
- VMSTATE_SINGLE(_f, _s, 0, vmstate_hack_int32_as_uint16, int32_t)
-
-
-static const VMStateDescription vmstate_menelaus_tm = {
- .name = "menelaus_tm",
- .version_id = 0,
- .minimum_version_id = 0,
- .fields = (VMStateField[]) {
- VMSTATE_UINT16_HACK(tm_sec, struct tm),
- VMSTATE_UINT16_HACK(tm_min, struct tm),
- VMSTATE_UINT16_HACK(tm_hour, struct tm),
- VMSTATE_UINT16_HACK(tm_mday, struct tm),
- VMSTATE_UINT16_HACK(tm_min, struct tm),
- VMSTATE_UINT16_HACK(tm_year, struct tm),
- VMSTATE_END_OF_LIST()
- }
-};
-
-static int menelaus_pre_save(void *opaque)
-{
- MenelausState *s = opaque;
- /* Should be <= 1000 */
- s->rtc_next_vmstate = s->rtc.next - qemu_clock_get_ms(rtc_clock);
-
- return 0;
-}
-
-static int menelaus_post_load(void *opaque, int version_id)
-{
- MenelausState *s = opaque;
-
- if (s->rtc.ctrl & 1) /* RTC_EN */
- menelaus_rtc_stop(s);
-
- s->rtc.next = s->rtc_next_vmstate;
-
- menelaus_alm_update(s);
- menelaus_update(s);
- if (s->rtc.ctrl & 1) /* RTC_EN */
- menelaus_rtc_start(s);
- return 0;
-}
-
-static const VMStateDescription vmstate_menelaus = {
- .name = "menelaus",
- .version_id = 0,
- .minimum_version_id = 0,
- .pre_save = menelaus_pre_save,
- .post_load = menelaus_post_load,
- .fields = (VMStateField[]) {
- VMSTATE_INT32(firstbyte, MenelausState),
- VMSTATE_UINT8(reg, MenelausState),
- VMSTATE_UINT8_ARRAY(vcore, MenelausState, 5),
- VMSTATE_UINT8_ARRAY(dcdc, MenelausState, 3),
- VMSTATE_UINT8_ARRAY(ldo, MenelausState, 8),
- VMSTATE_UINT8_ARRAY(sleep, MenelausState, 2),
- VMSTATE_UINT8(osc, MenelausState),
- VMSTATE_UINT8(detect, MenelausState),
- VMSTATE_UINT16(mask, MenelausState),
- VMSTATE_UINT16(status, MenelausState),
- VMSTATE_UINT8(dir, MenelausState),
- VMSTATE_UINT8(inputs, MenelausState),
- VMSTATE_UINT8(outputs, MenelausState),
- VMSTATE_UINT8(bbsms, MenelausState),
- VMSTATE_UINT8_ARRAY(pull, MenelausState, 4),
- VMSTATE_UINT8_ARRAY(mmc_ctrl, MenelausState, 3),
- VMSTATE_UINT8(mmc_debounce, MenelausState),
- VMSTATE_UINT8(rtc.ctrl, MenelausState),
- VMSTATE_UINT16(rtc.comp, MenelausState),
- VMSTATE_UINT16(rtc_next_vmstate, MenelausState),
- VMSTATE_STRUCT(rtc.new, MenelausState, 0, vmstate_menelaus_tm,
- struct tm),
- VMSTATE_STRUCT(rtc.alm, MenelausState, 0, vmstate_menelaus_tm,
- struct tm),
- VMSTATE_UINT8(pwrbtn_state, MenelausState),
- VMSTATE_I2C_SLAVE(parent_obj, MenelausState),
- VMSTATE_END_OF_LIST()
- }
-};
-
-static void twl92230_realize(DeviceState *dev, Error **errp)
-{
- MenelausState *s = TWL92230(dev);
-
- s->rtc.hz_tm = timer_new_ms(rtc_clock, menelaus_rtc_hz, s);
- /* Three output pins plus one interrupt pin. */
- qdev_init_gpio_out(dev, s->out, 4);
-
- /* Three input pins plus one power-button pin. */
- qdev_init_gpio_in(dev, menelaus_gpio_set, 4);
-
- menelaus_reset(I2C_SLAVE(dev));
-}
-
-static void twl92230_class_init(ObjectClass *klass, void *data)
-{
- DeviceClass *dc = DEVICE_CLASS(klass);
- I2CSlaveClass *sc = I2C_SLAVE_CLASS(klass);
-
- dc->realize = twl92230_realize;
- sc->event = menelaus_event;
- sc->recv = menelaus_rx;
- sc->send = menelaus_tx;
- dc->vmsd = &vmstate_menelaus;
-}
-
-static const TypeInfo twl92230_info = {
- .name = TYPE_TWL92230,
- .parent = TYPE_I2C_SLAVE,
- .instance_size = sizeof(MenelausState),
- .class_init = twl92230_class_init,
-};
-
-static void twl92230_register_types(void)
-{
- type_register_static(&twl92230_info);
-}
-
-type_init(twl92230_register_types)
projects / mirror_qemu.git / commitdiff