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smbus: Cleanup ADM1032 device and track cmd

This commit is contained in:
Matt Borgerson 2019-07-03 23:04:35 -07:00
parent ab5027a5ea
commit edf04b1364
1 changed files with 56 additions and 11 deletions

67
hw/xbox/smbus_adm1032.c
View File

@ -25,17 +25,52 @@
#include "qemu/osdep.h"
#include "hw/hw.h"
#include "hw/i2c/i2c.h"
#include "hw/i2c/smbus.h"
#include "hw/i2c/smbus_slave.h"
#include "smbus.h"
#define DEBUG
#define TYPE_SMBUS_ADM1032 "smbus-adm1032"
#define SMBUS_ADM1032(obj) OBJECT_CHECK(SMBusADM1032Device, (obj), TYPE_SMBUS_ADM1032)
static uint8_t tm_read_data(SMBusDevice *dev, uint8_t cmd, int n)
// #define DEBUG
#ifdef DEBUG
# define DPRINTF(format, ...) printf(format, ## __VA_ARGS__)
#else
# define DPRINTF(format, ...) do { } while (0)
#endif
typedef struct SMBusADM1032Device {
SMBusDevice smbusdev;
uint8_t cmd;
} SMBusADM1032Device;
static void smbus_adm1032_quick_cmd(SMBusDevice *dev, uint8_t read)
{
#ifdef DEBUG
printf("tm_read_data: addr=0x%02x cmd=0x%02x n=%d\n",
dev->i2c.address, cmd, n);
#endif
DPRINTF("smbus_adm1032_quick_cmd: addr=0x%02x read=%d\n", dev->i2c.address, read);
}
static int smbus_adm1032_write_data(SMBusDevice *dev, uint8_t *buf, uint8_t len)
{
SMBusADM1032Device *cx = SMBUS_ADM1032(dev);
DPRINTF("smbus_adm1032_write_data: addr=0x%02x val=0x%02x\n",
dev->i2c.address, buf[0]);
cx->cmd = buf[0];
buf++;
len--;
DPRINTF("smbus_adm1032_write_data: addr=0x%02x cmd=0x%02x val=0x%02x\n",
dev->i2c.address, cx->cmd, buf[0]);
return 0;
}
static uint8_t smbus_adm1032_receive_byte(SMBusDevice *dev)
{
SMBusADM1032Device *cx = SMBUS_ADM1032(dev);
DPRINTF("smbus_adm1032_receive_byte: addr=0x%02x cmd=0x%02x\n",
dev->i2c.address, cx->cmd);
uint8_t cmd = cx->cmd++;
switch (cmd) {
case 0x0:
@ -48,17 +83,27 @@ static uint8_t tm_read_data(SMBusDevice *dev, uint8_t cmd, int n)
return 0;
}
static void smbus_adm1032_realize(DeviceState *dev, Error **errp)
{
SMBusADM1032Device *cx = SMBUS_ADM1032(dev);
cx->cmd = 0;
}
static void smbus_adm1032_class_initfn(ObjectClass *klass, void *data)
{
DeviceClass *dc = DEVICE_CLASS(klass);
SMBusDeviceClass *sc = SMBUS_DEVICE_CLASS(klass);
sc->read_data = tm_read_data;
dc->realize = smbus_adm1032_realize;
sc->quick_cmd = smbus_adm1032_quick_cmd;
sc->receive_byte = smbus_adm1032_receive_byte;
sc->write_data = smbus_adm1032_write_data;
}
static TypeInfo smbus_adm1032_info = {
.name = "smbus-adm1032",
.name = TYPE_SMBUS_ADM1032,
.parent = TYPE_SMBUS_DEVICE,
.instance_size = sizeof(SMBusDevice),
.instance_size = sizeof(SMBusADM1032Device),
.class_init = smbus_adm1032_class_initfn,
};
@ -72,7 +117,7 @@ type_init(smbus_adm1032_register_devices)
void smbus_adm1032_init(I2CBus *smbus, int address)
{
DeviceState *tm;
tm = qdev_create((BusState *)smbus, "smbus-adm1032");
tm = qdev_create((BusState *)smbus, TYPE_SMBUS_ADM1032);
qdev_prop_set_uint8(tm, "address", address);
qdev_init_nofail(tm);
}