aboutsummaryrefslogtreecommitdiff
path: root/hw/arm/pxa2xx.c
diff options
context:
space:
mode:
authorPeter Maydell <peter.maydell@linaro.org>2014-02-20 13:05:47 +0000
committerPeter Maydell <peter.maydell@linaro.org>2014-02-20 13:05:48 +0000
commit61e8a923646903d76a6d952019716b417d42eedc (patch)
tree038e4c1921d45b2fe5d650a8fb476bb8169a1544 /hw/arm/pxa2xx.c
parent4c0c9bbe78901a706497a8fa1a27935bafc20cf7 (diff)
parent91f32b0c92fb18a403e48d3c8ffc14422a0c1ca5 (diff)
Merge remote-tracking branch 'remotes/afaerber/tags/qom-devices-for-peter' into staging
QOM infrastructure fixes and device conversions * QTest cleanups and test cases for PCI NICs * NAND fix for "info qtree" * Cleanup and extension of QOM machine tests * IndustryPack test cases and conversion to QOM realize * I2C cleanups * Cleanups of legacy qdev properties # gpg: Signature made Mon 17 Feb 2014 22:15:37 GMT using RSA key ID 3E7E013F # gpg: Good signature from "Andreas Färber <afaerber@suse.de>" # gpg: aka "Andreas Färber <afaerber@suse.com>" * remotes/afaerber/tags/qom-devices-for-peter: (49 commits) qtest: Include system headers before user headers qapi: Refine human printing of sizes qdev: Use QAPI type names for properties qdev: Add enum property types to QAPI schema block: Handle "rechs" and "large" translation options qdev: Remove hex8/32/64 property types qdev: Remove most legacy printers qdev: Use human mode in "info qtree" qapi: Add human mode to StringOutputVisitor qdev: Inline qdev_prop_parse() qdev: Legacy properties are just strings qdev: Legacy properties are now read-only qdev: Remove legacy parsers for hex8/32/64 qdev: Sizes are now parsed by StringInputVisitor qapi: Add size parser to StringInputVisitor qtest: Don't segfault with invalid -qtest option ipack: Move IndustryPack out of hw/char/ ipoctal232: QOM parent field cleanup ipack: QOM parent field cleanup for IPackDevice ipack: QOM parent field cleanup for IPackBus ... Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Diffstat (limited to 'hw/arm/pxa2xx.c')
-rw-r--r--hw/arm/pxa2xx.c44
1 files changed, 28 insertions, 16 deletions
diff --git a/hw/arm/pxa2xx.c b/hw/arm/pxa2xx.c
index 25ec549e71..66bc0dccc9 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;
@@ -1238,7 +1244,7 @@ struct PXA2xxI2CState {
MemoryRegion iomem;
PXA2xxI2CSlaveState *slave;
- i2c_bus *bus;
+ I2CBus *bus;
qemu_irq irq;
uint32_t offset;
uint32_t region_size;
@@ -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,
@@ -1482,7 +1494,7 @@ PXA2xxI2CState *pxa2xx_i2c_init(hwaddr base,
DeviceState *dev;
SysBusDevice *i2c_dev;
PXA2xxI2CState *s;
- i2c_bus *i2cbus;
+ I2CBus *i2cbus;
dev = qdev_create(NULL, TYPE_PXA2XX_I2C);
qdev_prop_set_uint32(dev, "size", region_size + 1);
@@ -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;
@@ -1518,7 +1530,7 @@ static int pxa2xx_i2c_initfn(SysBusDevice *sbd)
return 0;
}
-i2c_bus *pxa2xx_i2c_bus(PXA2xxI2CState *s)
+I2CBus *pxa2xx_i2c_bus(PXA2xxI2CState *s)
{
return s->bus;
}