int xenon_smc_i2c_write(uint16_t addr, uint8_t val)
{
uint8_t buf[16];
memset(buf, 0, 16);
int tmp=(addr>=0x200)?0x3d:0x39;
int ddc=(addr>=0x1d0 && addr<=0x1f5);
buf[0] = 0x11;
buf[1] = (ddc)?0x21:0x20;
buf[3] = tmp | 0x80; //3d
buf[6] = addr & 0xff; //3a
buf[7] = val;
xenon_smc_send_message(buf);
xenon_smc_receive_response(buf);
if (buf[1] != 0)
{
printf("xenon_smc_i2c_write failed, addr=%04x, err=%d\n", addr, buf[1]);
return -1;
}
return 0;
}
int xenon_smc_ana_write(uint8_t addr, uint32_t val)
{
uint8_t buf[16];
memset(buf, 0, 16);
buf[0] = 0x11;
buf[1] = 0x60;
buf[3] = 0x80 | 0x70;
buf[6] = addr;
buf[8] = val;
buf[9] = val >> 8;
buf[10] = val >> 16;
buf[11] = val >> 24;
xenon_smc_send_message(buf);
xenon_smc_receive_response(buf);
if (buf[1] != 0)
{
printf("xenon_smc_ana_write failed, addr=%02x, err=%d\n", addr, buf[1]);
return -1;
}
return 0;
}
int gettimeofday(struct timeval * tp, void * tzp) {
unsigned char msg[16] = {0x04};
unsigned long long msec;
unsigned long sec;
xenon_smc_send_message(msg);
xenon_smc_receive_response(msg);
msec = msg[1] | (msg[2] << 8) | (msg[3] << 16) | (msg[4] << 24) | ((unsigned long long) msg[5] << 32);
sec = msec / 1000;
tp->tv_sec = sec + RTC_BASE;
msec -= sec * 1000;
tp->tv_usec = msec * 1000;
return 0;
}
int xenon_smc_i2c_ddc_lock(int lock)
{
uint8_t buf[16];
memset(buf, 0, 16);
buf[0] = 0x11;
buf[1] = (lock)?3:5;
xenon_smc_send_message(buf);
xenon_smc_receive_response(buf);
if (buf[1] != 0)
{
printf("xenon_smc_i2c_ddc_lock failed, err=%d\n", buf[1]);
return -1;
}
return 0;
}
static int xenon_gettimeofday(struct _reent *ptr, struct timeval *tp, struct timezone *tz) {
unsigned char msg[16] = {0x04};
union{
uint8_t u8[8];
uint64_t t;
} time;
time.t = 0;
xenon_smc_send_message(msg);
xenon_smc_receive_response(msg);
time.u8[3] = msg[5];
time.u8[4] = msg[4];
time.u8[5] = msg[3];
time.u8[6] = msg[2];
time.u8[7] = msg[1];
tp->tv_sec = (time.t / 1000) + RTC_BASE;
tp->tv_usec = (time.t % 1000) * 1000;
return 0;
}
int xenon_smc_ana_read(uint8_t addr, uint32_t *val)
{
uint8_t buf[16];
memset(buf, 0, 16);
buf[0] = 0x11;
buf[1] = 0x10;
buf[2] = 5;
buf[3] = 0x80 | 0x70;
buf[5] = 0xF0;
buf[6] = addr;
xenon_smc_send_message(buf);
xenon_smc_receive_response(buf);
if (buf[1] != 0)
{
printf("xenon_smc_ana_read failed, addr=%02x, err=%d\n", addr, buf[1]);
return -1;
}
*val = buf[4] | (buf[5] << 8) | (buf[6] << 16) | (buf[7] << 24);
return 0;
}
int xenon_smc_i2c_read(uint16_t addr, uint8_t *val)
{
uint8_t buf[16];
memset(buf, 0, 16);
int tmp=(addr>=0x200)?0x3d:0x39;
int ddc=(addr>=0x1d0 && addr<=0x1f5);
buf[0] = 0x11; //40
buf[1] = (ddc)?0x11:0x10;//3f
buf[2] = 1; //3e
buf[3] = buf[5] = tmp | 0x80; //3d 3b
buf[6] = addr & 0xff; //3a
xenon_smc_send_message(buf);
xenon_smc_receive_response(buf);
if (buf[1] != 0)
{
printf("xenon_smc_i2c_read failed, addr=%04x, err=%d\n", addr, buf[1]);
return -1;
}
*val = buf[3];
return 0;
}