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author | Andreas Färber <afaerber@suse.de> | 2013-12-19 21:44:53 +0100 |
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committer | Andreas Färber <afaerber@suse.de> | 2014-02-14 16:22:31 +0100 |
commit | 96dca6b9a964b96c3ce72449333ff3bdd4ce85f7 (patch) | |
tree | c8207b41999211241e0d258cbc99eab507ec763f /hw/arm | |
parent | a5c828525e82dbf9f78dcc15070dd49025471afe (diff) | |
download | hqemu-96dca6b9a964b96c3ce72449333ff3bdd4ce85f7.zip hqemu-96dca6b9a964b96c3ce72449333ff3bdd4ce85f7.tar.gz |
pxa2xx: QOM'ify I2C slave
Replace usages of FROM_I2C_SLAVE() and direct parent field accesses with
QOM cast macro. Rename parent field to assure we caught all. Reuse type
constant in pxa2xx_i2c_init().
Add some missing braces while at it.
Signed-off-by: Andreas Färber <afaerber@suse.de>
Diffstat (limited to 'hw/arm')
-rw-r--r-- | hw/arm/pxa2xx.c | 38 |
1 files changed, 25 insertions, 13 deletions
diff --git a/hw/arm/pxa2xx.c b/hw/arm/pxa2xx.c index 7de109c..66bc0dc 100644 --- a/hw/arm/pxa2xx.c +++ b/hw/arm/pxa2xx.c @@ -1222,8 +1222,14 @@ static const TypeInfo pxa2xx_rtc_sysbus_info = { }; /* I2C Interface */ -typedef struct { - I2CSlave i2c; + +#define TYPE_PXA2XX_I2C_SLAVE "pxa2xx-i2c-slave" +#define PXA2XX_I2C_SLAVE(obj) \ + OBJECT_CHECK(PXA2xxI2CSlaveState, (obj), TYPE_PXA2XX_I2C_SLAVE) + +typedef struct PXA2xxI2CSlaveState { + I2CSlave parent_obj; + PXA2xxI2CState *host; } PXA2xxI2CSlaveState; @@ -1268,7 +1274,7 @@ static void pxa2xx_i2c_update(PXA2xxI2CState *s) /* These are only stubs now. */ static void pxa2xx_i2c_event(I2CSlave *i2c, enum i2c_event event) { - PXA2xxI2CSlaveState *slave = FROM_I2C_SLAVE(PXA2xxI2CSlaveState, i2c); + PXA2xxI2CSlaveState *slave = PXA2XX_I2C_SLAVE(i2c); PXA2xxI2CState *s = slave->host; switch (event) { @@ -1292,10 +1298,12 @@ static void pxa2xx_i2c_event(I2CSlave *i2c, enum i2c_event event) static int pxa2xx_i2c_rx(I2CSlave *i2c) { - PXA2xxI2CSlaveState *slave = FROM_I2C_SLAVE(PXA2xxI2CSlaveState, i2c); + PXA2xxI2CSlaveState *slave = PXA2XX_I2C_SLAVE(i2c); PXA2xxI2CState *s = slave->host; - if ((s->control & (1 << 14)) || !(s->control & (1 << 6))) + + if ((s->control & (1 << 14)) || !(s->control & (1 << 6))) { return 0; + } if (s->status & (1 << 0)) { /* RWM */ s->status |= 1 << 6; /* set ITE */ @@ -1307,10 +1315,12 @@ static int pxa2xx_i2c_rx(I2CSlave *i2c) static int pxa2xx_i2c_tx(I2CSlave *i2c, uint8_t data) { - PXA2xxI2CSlaveState *slave = FROM_I2C_SLAVE(PXA2xxI2CSlaveState, i2c); + PXA2xxI2CSlaveState *slave = PXA2XX_I2C_SLAVE(i2c); PXA2xxI2CState *s = slave->host; - if ((s->control & (1 << 14)) || !(s->control & (1 << 6))) + + if ((s->control & (1 << 14)) || !(s->control & (1 << 6))) { return 1; + } if (!(s->status & (1 << 0))) { /* RWM */ s->status |= 1 << 7; /* set IRF */ @@ -1325,6 +1335,7 @@ static uint64_t pxa2xx_i2c_read(void *opaque, hwaddr addr, unsigned size) { PXA2xxI2CState *s = (PXA2xxI2CState *) opaque; + I2CSlave *slave; addr -= s->offset; switch (addr) { @@ -1333,7 +1344,8 @@ static uint64_t pxa2xx_i2c_read(void *opaque, hwaddr addr, case ISR: return s->status | (i2c_bus_busy(s->bus) << 2); case ISAR: - return s->slave->i2c.address; + slave = I2C_SLAVE(s->slave); + return slave->address; case IDBR: return s->data; case IBMR: @@ -1408,7 +1420,7 @@ static void pxa2xx_i2c_write(void *opaque, hwaddr addr, break; case ISAR: - i2c_set_slave_address(&s->slave->i2c, value & 0x7f); + i2c_set_slave_address(I2C_SLAVE(s->slave), value & 0x7f); break; case IDBR: @@ -1432,7 +1444,7 @@ static const VMStateDescription vmstate_pxa2xx_i2c_slave = { .minimum_version_id = 1, .minimum_version_id_old = 1, .fields = (VMStateField []) { - VMSTATE_I2C_SLAVE(i2c, PXA2xxI2CSlaveState), + VMSTATE_I2C_SLAVE(parent_obj, PXA2xxI2CSlaveState), VMSTATE_END_OF_LIST() } }; @@ -1470,7 +1482,7 @@ static void pxa2xx_i2c_slave_class_init(ObjectClass *klass, void *data) } static const TypeInfo pxa2xx_i2c_slave_info = { - .name = "pxa2xx-i2c-slave", + .name = TYPE_PXA2XX_I2C_SLAVE, .parent = TYPE_I2C_SLAVE, .instance_size = sizeof(PXA2xxI2CSlaveState), .class_init = pxa2xx_i2c_slave_class_init, @@ -1496,8 +1508,8 @@ PXA2xxI2CState *pxa2xx_i2c_init(hwaddr base, s = PXA2XX_I2C(i2c_dev); /* FIXME: Should the slave device really be on a separate bus? */ i2cbus = i2c_init_bus(dev, "dummy"); - dev = i2c_create_slave(i2cbus, "pxa2xx-i2c-slave", 0); - s->slave = FROM_I2C_SLAVE(PXA2xxI2CSlaveState, I2C_SLAVE(dev)); + dev = i2c_create_slave(i2cbus, TYPE_PXA2XX_I2C_SLAVE, 0); + s->slave = PXA2XX_I2C_SLAVE(dev); s->slave->host = s; return s; |