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max7310: QOM'ify 

Replace FROM_I2C_SLAVE() usages with QOM cast macro.
Rename parent field.

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 22:21:57 +01:00
parent b1be45153e
commit b8bcf811bf
1 changed files with 14 additions and 9 deletions
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23
hw/gpio/max7310.c
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@ -9,8 +9,12 @@
#include "hw/i2c/i2c.h" #include "hw/i2c/i2c.h"
typedef struct { #define TYPE_MAX7310 "max7310"
I2CSlave i2c; #define MAX7310(obj) OBJECT_CHECK(MAX7310State, (obj), TYPE_MAX7310)
typedef struct MAX7310State {
I2CSlave parent_obj;
int i2c_command_byte; int i2c_command_byte;
int len; int len;
@ -25,7 +29,8 @@ typedef struct {
static void max7310_reset(DeviceState *dev) static void max7310_reset(DeviceState *dev)
{ {
MAX7310State *s = FROM_I2C_SLAVE(MAX7310State, I2C_SLAVE(dev)); MAX7310State *s = MAX7310(dev);
s->level &= s->direction; s->level &= s->direction;
s->direction = 0xff; s->direction = 0xff;
s->polarity = 0xf0; s->polarity = 0xf0;
@ -35,7 +40,7 @@ static void max7310_reset(DeviceState *dev)
static int max7310_rx(I2CSlave *i2c) static int max7310_rx(I2CSlave *i2c)
{ {
MAX7310State *s = (MAX7310State *) i2c; MAX7310State *s = MAX7310(i2c);
switch (s->command) { switch (s->command) {
case 0x00: /* Input port */ case 0x00: /* Input port */
@ -70,7 +75,7 @@ static int max7310_rx(I2CSlave *i2c)
static int max7310_tx(I2CSlave *i2c, uint8_t data) static int max7310_tx(I2CSlave *i2c, uint8_t data)
{ {
MAX7310State *s = (MAX7310State *) i2c; MAX7310State *s = MAX7310(i2c);
uint8_t diff; uint8_t diff;
int line; 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) static void max7310_event(I2CSlave *i2c, enum i2c_event event)
{ {
MAX7310State *s = (MAX7310State *) i2c; MAX7310State *s = MAX7310(i2c);
s->len = 0; s->len = 0;
switch (event) { switch (event) {
@ -156,7 +161,7 @@ static const VMStateDescription vmstate_max7310 = {
VMSTATE_UINT8(polarity, MAX7310State), VMSTATE_UINT8(polarity, MAX7310State),
VMSTATE_UINT8(status, MAX7310State), VMSTATE_UINT8(status, MAX7310State),
VMSTATE_UINT8(command, MAX7310State), VMSTATE_UINT8(command, MAX7310State),
VMSTATE_I2C_SLAVE(i2c, MAX7310State), VMSTATE_I2C_SLAVE(parent_obj, MAX7310State),
VMSTATE_END_OF_LIST() 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. */ * but also accepts sequences that are not SMBus so return an I2C device. */
static int max7310_init(I2CSlave *i2c) 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_in(&i2c->qdev, max7310_gpio_set, 8);
qdev_init_gpio_out(&i2c->qdev, s->handler, 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 = { static const TypeInfo max7310_info = {
.name = "max7310", .name = TYPE_MAX7310,
.parent = TYPE_I2C_SLAVE, .parent = TYPE_I2C_SLAVE,
.instance_size = sizeof(MAX7310State), .instance_size = sizeof(MAX7310State),
.class_init = max7310_class_init, .class_init = max7310_class_init,