diff options
Diffstat (limited to 'hw/arm')
-rw-r--r-- | hw/arm/z2.c | 20 |
1 files changed, 13 insertions, 7 deletions
diff --git a/hw/arm/z2.c b/hw/arm/z2.c index 97ec38193e..67c1be84ac 100644 --- a/hw/arm/z2.c +++ b/hw/arm/z2.c @@ -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; |