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-rw-r--r--hw/twl92230.c923
1 files changed, 923 insertions, 0 deletions
diff --git a/hw/twl92230.c b/hw/twl92230.c
new file mode 100644
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--- /dev/null
+++ b/hw/twl92230.c
@@ -0,0 +1,923 @@
+/*
+ * 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, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+#include "hw.h"
+#include "qemu-timer.h"
+#include "i2c.h"
+#include "sysemu.h"
+#include "console.h"
+
+#define VERBOSE 1
+
+struct menelaus_s {
+ i2c_slave i2c;
+ qemu_irq irq;
+
+ 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;
+ int64_t next;
+ struct tm tm;
+ struct tm new;
+ struct tm alm;
+ time_t sec;
+ time_t alm_sec;
+ time_t next_comp;
+ struct tm *(*gettime)(const time_t *timep, struct tm *result);
+ } rtc;
+ qemu_irq handler[3];
+ qemu_irq *in;
+ int pwrbtn_state;
+ qemu_irq pwrbtn;
+};
+
+static inline void menelaus_update(struct menelaus_s *s)
+{
+ qemu_set_irq(s->irq, s->status & ~s->mask);
+}
+
+static inline void menelaus_rtc_start(struct menelaus_s *s)
+{
+ s->rtc.next =+ qemu_get_clock(rt_clock);
+ qemu_mod_timer(s->rtc.hz, s->rtc.next);
+}
+
+static inline void menelaus_rtc_stop(struct menelaus_s *s)
+{
+ qemu_del_timer(s->rtc.hz);
+ s->rtc.next =- qemu_get_clock(rt_clock);
+ if (s->rtc.next < 1)
+ s->rtc.next = 1;
+}
+
+static void menelaus_rtc_update(struct menelaus_s *s)
+{
+ s->rtc.gettime(&s->rtc.sec, &s->rtc.tm);
+}
+
+static void menelaus_alm_update(struct menelaus_s *s)
+{
+ if ((s->rtc.ctrl & 3) == 3)
+ s->rtc.alm_sec = mktime(&s->rtc.alm);
+}
+
+static void menelaus_rtc_hz(void *opaque)
+{
+ struct menelaus_s *s = (struct menelaus_s *) opaque;
+
+ s->rtc.sec ++;
+ s->rtc.next += 1000;
+ qemu_mod_timer(s->rtc.hz, 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.sec == s->rtc.alm_sec)
+ s->status |= 1 << 9; /* RTCALM */
+ /* TODO: wake-up */
+ }
+ if (s->rtc.next_comp >= s->rtc.sec) {
+ s->rtc.next -= muldiv64((int16_t) s->rtc.comp, 1000, 0x8000);
+ s->rtc.next_comp = s->rtc.sec + 3600;
+ }
+ menelaus_update(s);
+}
+
+void menelaus_reset(i2c_slave *i2c)
+{
+ struct menelaus_s *s = (struct menelaus_s *) i2c;
+ time_t ti;
+ 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;
+
+ time(&ti);
+ if (s->rtc.ctrl & 1)
+ menelaus_rtc_stop(s);
+ s->rtc.ctrl = 0x00;
+ s->rtc.comp = 0x0000;
+ s->rtc.next = 1000;
+ s->rtc.sec = ti;
+ s->rtc.next_comp = s->rtc.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 inline uint8_t to_bcd(int val)
+{
+ return ((val / 10) << 4) | (val % 10);
+}
+
+static inline int from_bcd(uint8_t val)
+{
+ return ((val >> 4) * 10) + (val & 0x0f);
+}
+
+static void menelaus_gpio_set(void *opaque, int line, int level)
+{
+ struct menelaus_s *s = (struct menelaus_s *) opaque;
+
+ /* No interrupt generated */
+ s->inputs &= ~(1 << line);
+ s->inputs |= level << line;
+}
+
+static void menelaus_pwrbtn_set(void *opaque, int line, int level)
+{
+ struct menelaus_s *s = (struct menelaus_s *) opaque;
+
+ 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)
+{
+ struct menelaus_s *s = (struct menelaus_s *) 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", __FUNCTION__, addr);
+#endif
+ break;
+ }
+ return 0;
+}
+
+static void menelaus_write(void *opaque, uint8_t addr, uint8_t value)
+{
+ struct menelaus_s *s = (struct menelaus_s *) 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(&s->i2c);
+ 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)
+ if (s->handler[line])
+ qemu_set_irq(s->handler[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)
+ if (s->handler[line])
+ qemu_set_irq(s->handler[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",
+ __FUNCTION__, value);
+ s->status |= 1 << 10; /* RTCERR */
+ menelaus_update(s);
+ }
+ s->rtc.sec += difftime(mktime(&tm), mktime(&s->rtc.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", __FUNCTION__, addr);
+#endif
+ }
+}
+
+static void menelaus_event(i2c_slave *i2c, enum i2c_event event)
+{
+ struct menelaus_s *s = (struct menelaus_s *) i2c;
+
+ if (event == I2C_START_SEND)
+ s->firstbyte = 1;
+}
+
+static int menelaus_tx(i2c_slave *i2c, uint8_t data)
+{
+ struct menelaus_s *s = (struct menelaus_s *) i2c;
+ /* Interpret register address byte */
+ if (s->firstbyte) {
+ s->reg = data;
+ s->firstbyte = 0;
+ } else
+ menelaus_write(s, s->reg ++, data);
+
+ return 0;
+}
+
+static int menelaus_rx(i2c_slave *i2c)
+{
+ struct menelaus_s *s = (struct menelaus_s *) i2c;
+
+ return menelaus_read(s, s->reg ++);
+}
+
+static void tm_put(QEMUFile *f, struct tm *tm) {
+ qemu_put_be16(f, tm->tm_sec);
+ qemu_put_be16(f, tm->tm_min);
+ qemu_put_be16(f, tm->tm_hour);
+ qemu_put_be16(f, tm->tm_mday);
+ qemu_put_be16(f, tm->tm_min);
+ qemu_put_be16(f, tm->tm_year);
+}
+
+static void tm_get(QEMUFile *f, struct tm *tm) {
+ tm->tm_sec = qemu_get_be16(f);
+ tm->tm_min = qemu_get_be16(f);
+ tm->tm_hour = qemu_get_be16(f);
+ tm->tm_mday = qemu_get_be16(f);
+ tm->tm_min = qemu_get_be16(f);
+ tm->tm_year = qemu_get_be16(f);
+}
+
+static void menelaus_save(QEMUFile *f, void *opaque)
+{
+ struct menelaus_s *s = (struct menelaus_s *) opaque;
+
+ qemu_put_be32(f, s->firstbyte);
+ qemu_put_8s(f, &s->reg);
+
+ qemu_put_8s(f, &s->vcore[0]);
+ qemu_put_8s(f, &s->vcore[1]);
+ qemu_put_8s(f, &s->vcore[2]);
+ qemu_put_8s(f, &s->vcore[3]);
+ qemu_put_8s(f, &s->vcore[4]);
+ qemu_put_8s(f, &s->dcdc[3]);
+ qemu_put_8s(f, &s->dcdc[3]);
+ qemu_put_8s(f, &s->dcdc[3]);
+ qemu_put_8s(f, &s->ldo[0]);
+ qemu_put_8s(f, &s->ldo[1]);
+ qemu_put_8s(f, &s->ldo[2]);
+ qemu_put_8s(f, &s->ldo[3]);
+ qemu_put_8s(f, &s->ldo[4]);
+ qemu_put_8s(f, &s->ldo[5]);
+ qemu_put_8s(f, &s->ldo[6]);
+ qemu_put_8s(f, &s->ldo[7]);
+ qemu_put_8s(f, &s->sleep[0]);
+ qemu_put_8s(f, &s->sleep[1]);
+ qemu_put_8s(f, &s->osc);
+ qemu_put_8s(f, &s->detect);
+ qemu_put_be16s(f, &s->mask);
+ qemu_put_be16s(f, &s->status);
+ qemu_put_8s(f, &s->dir);
+ qemu_put_8s(f, &s->inputs);
+ qemu_put_8s(f, &s->outputs);
+ qemu_put_8s(f, &s->bbsms);
+ qemu_put_8s(f, &s->pull[0]);
+ qemu_put_8s(f, &s->pull[1]);
+ qemu_put_8s(f, &s->pull[2]);
+ qemu_put_8s(f, &s->pull[3]);
+ qemu_put_8s(f, &s->mmc_ctrl[0]);
+ qemu_put_8s(f, &s->mmc_ctrl[1]);
+ qemu_put_8s(f, &s->mmc_ctrl[2]);
+ qemu_put_8s(f, &s->mmc_debounce);
+ qemu_put_8s(f, &s->rtc.ctrl);
+ qemu_put_be16s(f, &s->rtc.comp);
+ /* Should be <= 1000 */
+ qemu_put_be16(f, s->rtc.next - qemu_get_clock(rt_clock));
+ tm_put(f, &s->rtc.new);
+ tm_put(f, &s->rtc.alm);
+ qemu_put_byte(f, s->pwrbtn_state);
+
+ i2c_slave_save(f, &s->i2c);
+}
+
+static int menelaus_load(QEMUFile *f, void *opaque, int version_id)
+{
+ struct menelaus_s *s = (struct menelaus_s *) opaque;
+
+ s->firstbyte = qemu_get_be32(f);
+ qemu_get_8s(f, &s->reg);
+
+ if (s->rtc.ctrl & 1) /* RTC_EN */
+ menelaus_rtc_stop(s);
+ qemu_get_8s(f, &s->vcore[0]);
+ qemu_get_8s(f, &s->vcore[1]);
+ qemu_get_8s(f, &s->vcore[2]);
+ qemu_get_8s(f, &s->vcore[3]);
+ qemu_get_8s(f, &s->vcore[4]);
+ qemu_get_8s(f, &s->dcdc[3]);
+ qemu_get_8s(f, &s->dcdc[3]);
+ qemu_get_8s(f, &s->dcdc[3]);
+ qemu_get_8s(f, &s->ldo[0]);
+ qemu_get_8s(f, &s->ldo[1]);
+ qemu_get_8s(f, &s->ldo[2]);
+ qemu_get_8s(f, &s->ldo[3]);
+ qemu_get_8s(f, &s->ldo[4]);
+ qemu_get_8s(f, &s->ldo[5]);
+ qemu_get_8s(f, &s->ldo[6]);
+ qemu_get_8s(f, &s->ldo[7]);
+ qemu_get_8s(f, &s->sleep[0]);
+ qemu_get_8s(f, &s->sleep[1]);
+ qemu_get_8s(f, &s->osc);
+ qemu_get_8s(f, &s->detect);
+ qemu_get_be16s(f, &s->mask);
+ qemu_get_be16s(f, &s->status);
+ qemu_get_8s(f, &s->dir);
+ qemu_get_8s(f, &s->inputs);
+ qemu_get_8s(f, &s->outputs);
+ qemu_get_8s(f, &s->bbsms);
+ qemu_get_8s(f, &s->pull[0]);
+ qemu_get_8s(f, &s->pull[1]);
+ qemu_get_8s(f, &s->pull[2]);
+ qemu_get_8s(f, &s->pull[3]);
+ qemu_get_8s(f, &s->mmc_ctrl[0]);
+ qemu_get_8s(f, &s->mmc_ctrl[1]);
+ qemu_get_8s(f, &s->mmc_ctrl[2]);
+ qemu_get_8s(f, &s->mmc_debounce);
+ qemu_get_8s(f, &s->rtc.ctrl);
+ qemu_get_be16s(f, &s->rtc.comp);
+ s->rtc.next = qemu_get_be16(f);
+ tm_get(f, &s->rtc.new);
+ tm_get(f, &s->rtc.alm);
+ s->pwrbtn_state = qemu_get_byte(f);
+ menelaus_alm_update(s);
+ menelaus_update(s);
+ if (s->rtc.ctrl & 1) /* RTC_EN */
+ menelaus_rtc_start(s);
+
+ i2c_slave_load(f, &s->i2c);
+ return 0;
+}
+
+static int menelaus_iid = 0;
+
+i2c_slave *twl92230_init(i2c_bus *bus, qemu_irq irq)
+{
+ struct menelaus_s *s = (struct menelaus_s *)
+ i2c_slave_init(bus, 0, sizeof(struct menelaus_s));
+
+ s->i2c.event = menelaus_event;
+ s->i2c.recv = menelaus_rx;
+ s->i2c.send = menelaus_tx;
+
+ /* TODO: use the qemu gettime functions */
+ s->rtc.gettime = localtime_r;
+
+ s->irq = irq;
+ s->rtc.hz = qemu_new_timer(rt_clock, menelaus_rtc_hz, s);
+ s->in = qemu_allocate_irqs(menelaus_gpio_set, s, 3);
+ s->pwrbtn = qemu_allocate_irqs(menelaus_pwrbtn_set, s, 1)[0];
+
+ menelaus_reset(&s->i2c);
+
+ register_savevm("menelaus", menelaus_iid ++,
+ 0, menelaus_save, menelaus_load, s);
+
+ return &s->i2c;
+}
+
+qemu_irq *twl92230_gpio_in_get(i2c_slave *i2c)
+{
+ struct menelaus_s *s = (struct menelaus_s *) i2c;
+
+ return s->in;
+}
+
+void twl92230_gpio_out_set(i2c_slave *i2c, int line, qemu_irq handler)
+{
+ struct menelaus_s *s = (struct menelaus_s *) i2c;
+
+ if (line >= 3 || line < 0) {
+ fprintf(stderr, "%s: No GPO line %i\n", __FUNCTION__, line);
+ exit(-1);
+ }
+ s->handler[line] = handler;
+}
generated by cgit v1.2.3 (git 2.26.2) at 2024-12-21 04:25:57 +0000