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z2: QOM'ify AER915

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Replace usages of FROM_I2C_SLAVE() with QOM cast macro.
Rename the parent field. Reuse the type constant in z2_init().

Reviewed-by: Peter Crosthwaite <peter.crosthwaite@xilinx.com>
[AF: Use TYPE_AER915 in z2_init() too]
Signed-off-by: Andreas Färber <afaerber@suse.de>
This commit is contained in:
Andreas Färber 2013-12-19 21:55:44 +01:00
parent 70b5169032
commit a5f96db7e8
1 changed files with 13 additions and 7 deletions
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20
hw/arm/z2.c
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@ -193,15 +193,20 @@ static const TypeInfo zipit_lcd_info = {
.class_init = zipit_lcd_class_init,
};
typedef struct {
I2CSlave i2c;
#define TYPE_AER915 "aer915"
#define AER915(obj) OBJECT_CHECK(AER915State, (obj), TYPE_AER915)
typedef struct AER915State {
I2CSlave parent_obj;
int len;
uint8_t buf[3];
} AER915State;
static int aer915_send(I2CSlave *i2c, uint8_t data)
{
AER915State *s = FROM_I2C_SLAVE(AER915State, i2c);
AER915State *s = AER915(i2c);
s->buf[s->len] = data;
if (s->len++ > 2) {
DPRINTF("%s: message too long (%i bytes)\n",
@ -219,7 +224,8 @@ static int aer915_send(I2CSlave *i2c, uint8_t data)
static void aer915_event(I2CSlave *i2c, enum i2c_event event)
{
AER915State *s = FROM_I2C_SLAVE(AER915State, i2c);
AER915State *s = AER915(i2c);
switch (event) {
case I2C_START_SEND:
s->len = 0;
@ -238,8 +244,8 @@ static void aer915_event(I2CSlave *i2c, enum i2c_event event)
static int aer915_recv(I2CSlave *slave)
{
AER915State *s = AER915(slave);
int retval = 0x00;
AER915State *s = FROM_I2C_SLAVE(AER915State, slave);
switch (s->buf[0]) {
/* Return hardcoded battery voltage,
@ -290,7 +296,7 @@ static void aer915_class_init(ObjectClass *klass, void *data)
}
static const TypeInfo aer915_info = {
.name = "aer915",
.name = TYPE_AER915,
.parent = TYPE_I2C_SLAVE,
.instance_size = sizeof(AER915State),
.class_init = aer915_class_init,
@ -351,7 +357,7 @@ static void z2_init(QEMUMachineInitArgs *args)
type_register_static(&aer915_info);
z2_lcd = ssi_create_slave(mpu->ssp[1], "zipit-lcd");
bus = pxa2xx_i2c_bus(mpu->i2c[0]);
i2c_create_slave(bus, "aer915", 0x55);
i2c_create_slave(bus, TYPE_AER915, 0x55);
wm = i2c_create_slave(bus, "wm8750", 0x1b);
mpu->i2s->opaque = wm;
mpu->i2s->codec_out = wm8750_dac_dat;