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smbus: Cleanup SMC device and track cmd

This commit is contained in:
Matt Borgerson 2019-07-03 23:05:04 -07:00
parent 1f2ae93e5c
commit 68bfbf65a3
1 changed files with 20 additions and 19 deletions
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39
hw/xbox/smbus_xbox_smc.c
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@ -26,7 +26,7 @@
#include "qemu/option.h"
#include "hw/hw.h"
#include "hw/i2c/i2c.h"
#include "hw/i2c/smbus.h"
#include "hw/i2c/smbus_slave.h"
#include "qemu/config-file.h"
#include "sysemu/sysemu.h"
#include "smbus.h"
@ -85,6 +85,7 @@ static const char *smc_version_string = "P01";
typedef struct SMBusSMCDevice {
SMBusDevice smbusdev;
int version_string_index;
uint8_t cmd;
uint8_t scratch_reg;
} SMBusSMCDevice;
@ -93,20 +94,17 @@ static void smc_quick_cmd(SMBusDevice *dev, uint8_t read)
DPRINTF("smc_quick_cmd: addr=0x%02x read=%d\n", dev->i2c.address, read);
}
static void smc_send_byte(SMBusDevice *dev, uint8_t val)
static int smc_write_data(SMBusDevice *dev, uint8_t *buf, uint8_t len)
{
DPRINTF("smc_send_byte: addr=0x%02x val=0x%02x\n", dev->i2c.address, val);
}
SMBusSMCDevice *smc = XBOX_SMC(dev);
static uint8_t smc_receive_byte(SMBusDevice *dev)
{
DPRINTF("smc_receive_byte: addr=0x%02x\n", dev->i2c.address);
return 0;
}
smc->cmd = buf[0];
uint8_t cmd = smc->cmd;
buf++;
len--;
if (len < 1) return 0;
static void smc_write_data(SMBusDevice *dev, uint8_t cmd, uint8_t *buf, int len)
{
SMBusSMCDevice *smc = (SMBusSMCDevice *) dev;
DPRINTF("smc_write_byte: addr=0x%02x cmd=0x%02x val=0x%02x\n",
dev->i2c.address, cmd, buf[0]);
@ -138,13 +136,17 @@ static void smc_write_data(SMBusDevice *dev, uint8_t cmd, uint8_t *buf, int len)
default:
break;
}
return 0;
}
static uint8_t smc_read_data(SMBusDevice *dev, uint8_t cmd, int n)
static uint8_t smc_receive_byte(SMBusDevice *dev)
{
SMBusSMCDevice *smc = (SMBusSMCDevice *)dev;
DPRINTF("smc_read_data: addr=0x%02x cmd=0x%02x n=%d\n",
dev->i2c.address, cmd, n);
SMBusSMCDevice *smc = XBOX_SMC(dev);
DPRINTF("smc_receive_byte: addr=0x%02x cmd=0x%02x\n",
dev->i2c.address, smc->cmd);
uint8_t cmd = smc->cmd++;
switch (cmd) {
case SMC_REG_VER:
@ -182,6 +184,7 @@ static void smbus_smc_realize(DeviceState *dev, Error **errp)
smc->version_string_index = 0;
smc->scratch_reg = 0;
smc->cmd = 0;
if (object_property_get_bool(qdev_get_machine(), "short-animation", NULL)) {
smc->scratch_reg = SMC_REG_SCRATCH_SHORT_ANIMATION;
@ -195,10 +198,8 @@ static void smbus_smc_class_initfn(ObjectClass *klass, void *data)
dc->realize = smbus_smc_realize;
sc->quick_cmd = smc_quick_cmd;
sc->send_byte = smc_send_byte;
sc->receive_byte = smc_receive_byte;
sc->write_data = smc_write_data;
sc->read_data = smc_read_data;
}
static TypeInfo smbus_smc_info = {
@ -218,7 +219,7 @@ type_init(smbus_smc_register_devices)
void smbus_xbox_smc_init(I2CBus *smbus, int address)
{
DeviceState *smc;
smc = qdev_create((BusState *)smbus, "smbus-xbox-smc");
smc = qdev_create((BusState *)smbus, TYPE_XBOX_SMC);
qdev_prop_set_uint8(smc, "address", address);
qdev_init_nofail(smc);
}