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Diffstat (limited to 'hw/timer/twl92230.c')
-rw-r--r--hw/timer/twl92230.c35
1 files changed, 21 insertions, 14 deletions
diff --git a/hw/timer/twl92230.c b/hw/timer/twl92230.c
index f3ea36503c..85d59909da 100644
--- a/hw/timer/twl92230.c
+++ b/hw/timer/twl92230.c
@@ -27,8 +27,11 @@
#define VERBOSE 1
-typedef struct {
- I2CSlave i2c;
+#define TYPE_TWL92230 "twl92230"
+#define TWL92230(obj) OBJECT_CHECK(MenelausState, (obj), TYPE_TWL92230)
+
+typedef struct MenelausState {
+ I2CSlave parent_obj;
int firstbyte;
uint8_t reg;
@@ -127,7 +130,8 @@ static void menelaus_rtc_hz(void *opaque)
static void menelaus_reset(I2CSlave *i2c)
{
- MenelausState *s = (MenelausState *) i2c;
+ MenelausState *s = TWL92230(i2c);
+
s->reg = 0x00;
s->vcore[0] = 0x0c; /* XXX: X-loader needs 0x8c? check! */
@@ -492,8 +496,9 @@ static void menelaus_write(void *opaque, uint8_t addr, uint8_t value)
break;
case MENELAUS_DEVICE_OFF:
- if (value & 1)
- menelaus_reset(&s->i2c);
+ if (value & 1) {
+ menelaus_reset(I2C_SLAVE(s));
+ }
break;
case MENELAUS_OSC_CTRL:
@@ -708,7 +713,7 @@ static void menelaus_write(void *opaque, uint8_t addr, uint8_t value)
static void menelaus_event(I2CSlave *i2c, enum i2c_event event)
{
- MenelausState *s = (MenelausState *) i2c;
+ MenelausState *s = TWL92230(i2c);
if (event == I2C_START_SEND)
s->firstbyte = 1;
@@ -716,7 +721,8 @@ static void menelaus_event(I2CSlave *i2c, enum i2c_event event)
static int menelaus_tx(I2CSlave *i2c, uint8_t data)
{
- MenelausState *s = (MenelausState *) i2c;
+ MenelausState *s = TWL92230(i2c);
+
/* Interpret register address byte */
if (s->firstbyte) {
s->reg = data;
@@ -729,7 +735,7 @@ static int menelaus_tx(I2CSlave *i2c, uint8_t data)
static int menelaus_rx(I2CSlave *i2c)
{
- MenelausState *s = (MenelausState *) i2c;
+ MenelausState *s = TWL92230(i2c);
return menelaus_read(s, s->reg ++);
}
@@ -834,23 +840,24 @@ static const VMStateDescription vmstate_menelaus = {
VMSTATE_STRUCT(rtc.alm, MenelausState, 0, vmstate_menelaus_tm,
struct tm),
VMSTATE_UINT8(pwrbtn_state, MenelausState),
- VMSTATE_I2C_SLAVE(i2c, MenelausState),
+ VMSTATE_I2C_SLAVE(parent_obj, MenelausState),
VMSTATE_END_OF_LIST()
}
};
static int twl92230_init(I2CSlave *i2c)
{
- MenelausState *s = FROM_I2C_SLAVE(MenelausState, i2c);
+ DeviceState *dev = DEVICE(i2c);
+ MenelausState *s = TWL92230(i2c);
s->rtc.hz_tm = timer_new_ms(rtc_clock, menelaus_rtc_hz, s);
/* Three output pins plus one interrupt pin. */
- qdev_init_gpio_out(&i2c->qdev, s->out, 4);
+ qdev_init_gpio_out(dev, s->out, 4);
/* Three input pins plus one power-button pin. */
- qdev_init_gpio_in(&i2c->qdev, menelaus_gpio_set, 4);
+ qdev_init_gpio_in(dev, menelaus_gpio_set, 4);
- menelaus_reset(&s->i2c);
+ menelaus_reset(i2c);
return 0;
}
@@ -868,7 +875,7 @@ static void twl92230_class_init(ObjectClass *klass, void *data)
}
static const TypeInfo twl92230_info = {
- .name = "twl92230",
+ .name = TYPE_TWL92230,
.parent = TYPE_I2C_SLAVE,
.instance_size = sizeof(MenelausState),
.class_init = twl92230_class_init,