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authorAndreas Färber <afaerber@suse.de>2013-12-19 22:10:23 +0100
committerAndreas Färber <afaerber@suse.de>2014-02-14 16:22:32 +0100
commitb1be45153e416fa13cf6fcea704f26f4d3c2b7aa (patch)
tree419ca8f490586571c3ef219591de9ce96424f502 /hw/display
parentbc229b0f901ef94a8245fb619a138604e2a456bb (diff)
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ssd0303: QOM'ify
Replace usages of FROM_I2C_SLAVE() with QOM cast macro. Rename parent field. Reviewed-by: Peter Crosthwaite <peter.crosthwaite@xilinx.com> Signed-off-by: Andreas Färber <afaerber@suse.de>
Diffstat (limited to 'hw/display')
-rw-r--r--hw/display/ssd0303.c18
1 files changed, 12 insertions, 6 deletions
diff --git a/hw/display/ssd0303.c b/hw/display/ssd0303.c
index beea5bf..89804e1 100644
--- a/hw/display/ssd0303.c
+++ b/hw/display/ssd0303.c
@@ -41,8 +41,12 @@ enum ssd0303_cmd {
SSD0303_CMD_SKIP1
};
+#define TYPE_SSD0303 "ssd0303"
+#define SSD0303(obj) OBJECT_CHECK(ssd0303_state, (obj), TYPE_SSD0303)
+
typedef struct {
- I2CSlave i2c;
+ I2CSlave parent_obj;
+
QemuConsole *con;
int row;
int col;
@@ -65,8 +69,9 @@ static int ssd0303_recv(I2CSlave *i2c)
static int ssd0303_send(I2CSlave *i2c, uint8_t data)
{
- ssd0303_state *s = (ssd0303_state *)i2c;
+ ssd0303_state *s = SSD0303(i2c);
enum ssd0303_cmd old_cmd_state;
+
switch (s->mode) {
case SSD0303_IDLE:
DPRINTF("byte 0x%02x\n", data);
@@ -175,7 +180,8 @@ static int ssd0303_send(I2CSlave *i2c, uint8_t data)
static void ssd0303_event(I2CSlave *i2c, enum i2c_event event)
{
- ssd0303_state *s = (ssd0303_state *)i2c;
+ ssd0303_state *s = SSD0303(i2c);
+
switch (event) {
case I2C_FINISH:
s->mode = SSD0303_IDLE;
@@ -279,7 +285,7 @@ static const VMStateDescription vmstate_ssd0303 = {
VMSTATE_UINT32(mode, ssd0303_state),
VMSTATE_UINT32(cmd_state, ssd0303_state),
VMSTATE_BUFFER(framebuffer, ssd0303_state),
- VMSTATE_I2C_SLAVE(i2c, ssd0303_state),
+ VMSTATE_I2C_SLAVE(parent_obj, ssd0303_state),
VMSTATE_END_OF_LIST()
}
};
@@ -291,7 +297,7 @@ static const GraphicHwOps ssd0303_ops = {
static int ssd0303_init(I2CSlave *i2c)
{
- ssd0303_state *s = FROM_I2C_SLAVE(ssd0303_state, i2c);
+ ssd0303_state *s = SSD0303(i2c);
s->con = graphic_console_init(DEVICE(i2c), &ssd0303_ops, s);
qemu_console_resize(s->con, 96 * MAGNIFY, 16 * MAGNIFY);
@@ -311,7 +317,7 @@ static void ssd0303_class_init(ObjectClass *klass, void *data)
}
static const TypeInfo ssd0303_info = {
- .name = "ssd0303",
+ .name = TYPE_SSD0303,
.parent = TYPE_I2C_SLAVE,
.instance_size = sizeof(ssd0303_state),
.class_init = ssd0303_class_init,