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smc style tweaks

This commit is contained in:
espes 2015-08-22 13:55:29 +10:00
parent a929a69b62
commit 58ac41fae2
1 changed files with 40 additions and 40 deletions
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80
hw/xbox/smbus_xbox_smc.c
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@ -20,7 +20,7 @@
#include "hw/hw.h"
#include "hw/i2c/i2c.h"
#include "hw/i2c/smbus.h"
#include <qemu/config-file.h>
#include "qemu/config-file.h"
/*
* Hardware is a PIC16LC
@ -68,8 +68,8 @@ static const char* smc_version_string = "P01";
typedef struct SMBusSMCDevice {
SMBusDevice smbusdev;
int versionStringIndex;
bool useShortAnimation;
int version_string_index;
uint8_t scratch_reg;
} SMBusSMCDevice;
static void smc_quick_cmd(SMBusDevice *dev, uint8_t read)
@ -105,21 +105,21 @@ static void smc_write_data(SMBusDevice *dev, uint8_t cmd, uint8_t *buf, int len)
#endif
switch(cmd) {
case SMC_REG_VER:
/* version string reset */
smc->versionStringIndex = buf[0];
break;
case SMC_REG_VER:
/* version string reset */
smc->version_string_index = buf[0];
break;
/* challenge response
* (http://www.xbox-linux.org/wiki/PIC_Challenge_Handshake_Sequence) */
case 0x20:
break;
case 0x21:
break;
/* challenge response
* (http://www.xbox-linux.org/wiki/PIC_Challenge_Handshake_Sequence) */
case 0x20:
break;
case 0x21:
break;
default:
break;
default:
break;
}
}
@ -132,32 +132,29 @@ static uint8_t smc_read_data(SMBusDevice *dev, uint8_t cmd, int n)
#endif
switch(cmd) {
case SMC_REG_VER:
return smc_version_string[
smc->versionStringIndex++%(sizeof(smc_version_string)-1)];
case SMC_REG_AVPACK:
/* pretend to have a composite av pack plugged in */
return SMC_REG_AVPACK_COMPOSITE;
case SMC_REG_VER:
return smc_version_string[
smc->version_string_index++%(sizeof(smc_version_string)-1)];
case SMC_REG_AVPACK:
/* pretend to have a composite av pack plugged in */
return SMC_REG_AVPACK_COMPOSITE;
case SMC_REG_SCRATCH: {
if (smc->useShortAnimation)
return SMC_REG_SCRATCH_SHORT_ANIMATION;
return 0;
}
case SMC_REG_SCRATCH:
return smc->scratch_reg;
/* challenge request:
* must be non-0 */
case 0x1c:
return 0x52;
case 0x1d:
return 0x72;
case 0x1e:
return 0xea;
case 0x1f:
return 0x46;
/* challenge request:
* must be non-0 */
case 0x1c:
return 0x52;
case 0x1d:
return 0x72;
case 0x1e:
return 0xea;
case 0x1f:
return 0x46;
default:
break;
default:
break;
}
return 0;
@ -168,10 +165,13 @@ static int smbus_smc_init(SMBusDevice *dev)
QemuOpts *opts;
SMBusSMCDevice *smc = (SMBusSMCDevice *)dev;
smc->versionStringIndex = 0;
smc->version_string_index = 0;
smc->scratch_reg = 0;
opts = qemu_opts_find(qemu_find_opts("machine"), NULL);
smc->useShortAnimation = qemu_opt_get_bool(opts, "short_animation", 0);
if (opts && qemu_opt_get_bool(opts, "short_animation", 0)) {
smc->scratch_reg = SMC_REG_SCRATCH_SHORT_ANIMATION;
}
return 0;
}