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-rw-r--r--hw/timer/m41t80.c119
1 files changed, 0 insertions, 119 deletions
diff --git a/hw/timer/m41t80.c b/hw/timer/m41t80.c
deleted file mode 100644
index 914ecac8f4..0000000000
--- a/hw/timer/m41t80.c
+++ /dev/null
@@ -1,119 +0,0 @@
-/*
- * M41T80 serial rtc emulation
- *
- * Copyright (c) 2018 BALATON Zoltan
- *
- * This work is licensed under the GNU GPL license version 2 or later.
- *
- */
-
-#include "qemu/osdep.h"
-#include "qemu-common.h"
-#include "qemu/log.h"
-#include "qemu/module.h"
-#include "qemu/timer.h"
-#include "qemu/bcd.h"
-#include "hw/i2c/i2c.h"
-
-#define TYPE_M41T80 "m41t80"
-#define M41T80(obj) OBJECT_CHECK(M41t80State, (obj), TYPE_M41T80)
-
-typedef struct M41t80State {
- I2CSlave parent_obj;
- int8_t addr;
-} M41t80State;
-
-static void m41t80_realize(DeviceState *dev, Error **errp)
-{
- M41t80State *s = M41T80(dev);
-
- s->addr = -1;
-}
-
-static int m41t80_send(I2CSlave *i2c, uint8_t data)
-{
- M41t80State *s = M41T80(i2c);
-
- if (s->addr < 0) {
- s->addr = data;
- } else {
- s->addr++;
- }
- return 0;
-}
-
-static uint8_t m41t80_recv(I2CSlave *i2c)
-{
- M41t80State *s = M41T80(i2c);
- struct tm now;
- qemu_timeval tv;
-
- if (s->addr < 0) {
- s->addr = 0;
- }
- if (s->addr >= 1 && s->addr <= 7) {
- qemu_get_timedate(&now, -1);
- }
- switch (s->addr++) {
- case 0:
- qemu_gettimeofday(&tv);
- return to_bcd(tv.tv_usec / 10000);
- case 1:
- return to_bcd(now.tm_sec);
- case 2:
- return to_bcd(now.tm_min);
- case 3:
- return to_bcd(now.tm_hour);
- case 4:
- return to_bcd(now.tm_wday);
- case 5:
- return to_bcd(now.tm_mday);
- case 6:
- return to_bcd(now.tm_mon + 1);
- case 7:
- return to_bcd(now.tm_year % 100);
- case 8 ... 19:
- qemu_log_mask(LOG_UNIMP, "%s: unimplemented register: %d\n",
- __func__, s->addr - 1);
- return 0;
- default:
- qemu_log_mask(LOG_GUEST_ERROR, "%s: invalid register: %d\n",
- __func__, s->addr - 1);
- return 0;
- }
-}
-
-static int m41t80_event(I2CSlave *i2c, enum i2c_event event)
-{
- M41t80State *s = M41T80(i2c);
-
- if (event == I2C_START_SEND) {
- s->addr = -1;
- }
- return 0;
-}
-
-static void m41t80_class_init(ObjectClass *klass, void *data)
-{
- DeviceClass *dc = DEVICE_CLASS(klass);
- I2CSlaveClass *sc = I2C_SLAVE_CLASS(klass);
-
- dc->realize = m41t80_realize;
- sc->send = m41t80_send;
- sc->recv = m41t80_recv;
- sc->event = m41t80_event;
-}
-
-static const TypeInfo m41t80_info = {
- .name = TYPE_M41T80,
- .parent = TYPE_I2C_SLAVE,
- .instance_size = sizeof(M41t80State),
- .class_init = m41t80_class_init,
-};
-
-static void m41t80_register_types(void)
-{
- type_register_static(&m41t80_info);
-}
-
-type_init(m41t80_register_types)