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tosa: QOM'ify DAC 

Replace usages of FROM_I2C_SLAVE() with QOM cast macro.
Rename parent field. Use type constant in tosa_tg_init().

Reviewed-by: Peter Crosthwaite <peter.crosthwaite@xilinx.com>
Signed-off-by: Andreas Färber <afaerber@suse.de>
This commit is contained in:
Andreas Färber 2013-12-19 21:51:29 +01:00
parent 96dca6b9a9
commit 70b5169032
1 changed files with 11 additions and 5 deletions
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16
hw/arm/tosa.c
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@ -132,15 +132,20 @@ static int tosa_ssp_init(SSISlave *dev)
return 0;
}
#define TYPE_TOSA_DAC "tosa_dac"
#define TOSA_DAC(obj) OBJECT_CHECK(TosaDACState, (obj), TYPE_TOSA_DAC)
typedef struct {
I2CSlave i2c;
I2CSlave parent_obj;
int len;
char buf[3];
} TosaDACState;
static int tosa_dac_send(I2CSlave *i2c, uint8_t data)
{
TosaDACState *s = FROM_I2C_SLAVE(TosaDACState, i2c);
TosaDACState *s = TOSA_DAC(i2c);
s->buf[s->len] = data;
if (s->len ++ > 2) {
#ifdef VERBOSE
@ -159,7 +164,8 @@ static int tosa_dac_send(I2CSlave *i2c, uint8_t data)
static void tosa_dac_event(I2CSlave *i2c, enum i2c_event event)
{
TosaDACState *s = FROM_I2C_SLAVE(TosaDACState, i2c);
TosaDACState *s = TOSA_DAC(i2c);
s->len = 0;
switch (event) {
case I2C_START_SEND:
@ -195,7 +201,7 @@ static int tosa_dac_init(I2CSlave *i2c)
static void tosa_tg_init(PXA2xxState *cpu)
{
I2CBus *bus = pxa2xx_i2c_bus(cpu->i2c[0]);
i2c_create_slave(bus, "tosa_dac", DAC_BASE);
i2c_create_slave(bus, TYPE_TOSA_DAC, DAC_BASE);
ssi_create_slave(cpu->ssp[1], "tosa-ssp");
}
@ -271,7 +277,7 @@ static void tosa_dac_class_init(ObjectClass *klass, void *data)
}
static const TypeInfo tosa_dac_info = {
.name = "tosa_dac",
.name = TYPE_TOSA_DAC,
.parent = TYPE_I2C_SLAVE,
.instance_size = sizeof(TosaDACState),
.class_init = tosa_dac_class_init,