diff options
| -rw-r--r-- | hw/gpio/max7310.c | 23 |
1 files changed, 14 insertions, 9 deletions
diff --git a/hw/gpio/max7310.c b/hw/gpio/max7310.c index 59b287703e..cfcd89ca2b 100644 --- a/hw/gpio/max7310.c +++ b/hw/gpio/max7310.c @@ -9,8 +9,12 @@ #include "hw/i2c/i2c.h" -typedef struct { - I2CSlave i2c; +#define TYPE_MAX7310 "max7310" +#define MAX7310(obj) OBJECT_CHECK(MAX7310State, (obj), TYPE_MAX7310) + +typedef struct MAX7310State { + I2CSlave parent_obj; + int i2c_command_byte; int len; @@ -25,7 +29,8 @@ typedef struct { static void max7310_reset(DeviceState *dev) { - MAX7310State *s = FROM_I2C_SLAVE(MAX7310State, I2C_SLAVE(dev)); + MAX7310State *s = MAX7310(dev); + s->level &= s->direction; s->direction = 0xff; s->polarity = 0xf0; @@ -35,7 +40,7 @@ static void max7310_reset(DeviceState *dev) static int max7310_rx(I2CSlave *i2c) { - MAX7310State *s = (MAX7310State *) i2c; + MAX7310State *s = MAX7310(i2c); switch (s->command) { case 0x00: /* Input port */ @@ -70,7 +75,7 @@ static int max7310_rx(I2CSlave *i2c) static int max7310_tx(I2CSlave *i2c, uint8_t data) { - MAX7310State *s = (MAX7310State *) i2c; + MAX7310State *s = MAX7310(i2c); uint8_t diff; int line; @@ -125,7 +130,7 @@ static int max7310_tx(I2CSlave *i2c, uint8_t data) static void max7310_event(I2CSlave *i2c, enum i2c_event event) { - MAX7310State *s = (MAX7310State *) i2c; + MAX7310State *s = MAX7310(i2c); s->len = 0; switch (event) { @@ -156,7 +161,7 @@ static const VMStateDescription vmstate_max7310 = { VMSTATE_UINT8(polarity, MAX7310State), VMSTATE_UINT8(status, MAX7310State), VMSTATE_UINT8(command, MAX7310State), - VMSTATE_I2C_SLAVE(i2c, MAX7310State), + VMSTATE_I2C_SLAVE(parent_obj, MAX7310State), VMSTATE_END_OF_LIST() } }; @@ -177,7 +182,7 @@ static void max7310_gpio_set(void *opaque, int line, int level) * but also accepts sequences that are not SMBus so return an I2C device. */ static int max7310_init(I2CSlave *i2c) { - MAX7310State *s = FROM_I2C_SLAVE(MAX7310State, i2c); + MAX7310State *s = MAX7310(i2c); qdev_init_gpio_in(&i2c->qdev, max7310_gpio_set, 8); qdev_init_gpio_out(&i2c->qdev, s->handler, 8); @@ -199,7 +204,7 @@ static void max7310_class_init(ObjectClass *klass, void *data) } static const TypeInfo max7310_info = { - .name = "max7310", + .name = TYPE_MAX7310, .parent = TYPE_I2C_SLAVE, .instance_size = sizeof(MAX7310State), .class_init = max7310_class_init, |