static void
mx_tuner_rftune(PT3_MX *mx, PT3_BUS *bus, __u32 freq)
{
__u8 data[100];
__u32 size;
size = 0;
mx->freq = freq;
mx_rftune(data, &size, freq);
if (size != 20) {
PT3_PRINTK(0, KERN_ERR, "fail mx_rftune size = %d\n", size);
return;
}
mx_write(mx, bus, data, 14);
schedule_timeout_interruptible(msecs_to_jiffies(1));
mx_write(mx, bus, data + 14, 6);
schedule_timeout_interruptible(msecs_to_jiffies(1));
schedule_timeout_interruptible(msecs_to_jiffies(30));
mx_set_register(mx, bus, 0x1a, 0x0d);
mx_idac_setting(mx, bus);
}
STATUS
pt3_mx_set_frequency(PT3_MX *mx, __u32 channel, __s32 offset)
{
STATUS status;
int catv, locked1, locked2;
__u32 number, freq;
__u32 real_freq;
#if LINUX_VERSION_CODE < KERNEL_VERSION(5,0,0)
struct timeval begin, now;
#else
struct timespec64 begin, now;
#endif
status = pt3_tc_set_agc_t(mx->tc, NULL, PT3_TC_AGC_MANUAL);
if (status)
return status;
pt3_mx_get_channel_frequency(mx, channel, &catv, &number, &freq);
//real_freq = (7 * freq + 1 + offset) * 1000000.0 /7.0;
real_freq = REAL_TABLE[channel];
mx_set_frequency(mx, NULL, real_freq);
#if LINUX_VERSION_CODE < KERNEL_VERSION(5,0,0)
do_gettimeofday(&begin);
#else
ktime_get_real_ts64(&begin);
#endif
locked1 = locked2 = 0;
while (1) {
#if LINUX_VERSION_CODE < KERNEL_VERSION(5,0,0)
do_gettimeofday(&now);
#else
ktime_get_real_ts64(&now);
#endif
pt3_mx_get_locked1(mx, NULL, &locked1);
pt3_mx_get_locked2(mx, NULL, &locked2);
if (locked1 && locked2)
break;
if (time_diff(&begin, &now) > 1000)
break;
schedule_timeout_interruptible(msecs_to_jiffies(1));
}
#if 0
PT3_PRINTK(7, KERN_DEBUG, "mx_get_locked1 %d locked2 %d\n", locked1, locked2);
#endif
if (!(locked1 && locked2))
return STATUS_PLL_LOCK_TIMEOUT_ERROR;
status = pt3_tc_set_agc_t(mx->tc, NULL, PT3_TC_AGC_AUTO);
if (status)
return status;
return status;
}
static STATUS
qm_read(PT3_QM *qm, PT3_BUS *bus, __u8 addr, __u8 *data)
{
STATUS status;
if ((addr == 0x00 ) || (addr == 0x0d)) {
status = pt3_tc_read_tuner(qm->tc, bus, addr, data, 1);
#if 0
if (!bus)
PT3_PRINTK(7, KERN_DEBUG, "qm_read addr=0x%02x data=0x%02x\n", addr, *data);
#endif
} else
status = STATUS_OK;
return status;
}
STATUS
pt3_qm_set_frequency(PT3_QM *qm, __u32 channel, __s32 offset)
{
STATUS status;
int bs, locked;
__u32 number, freq, freq_khz;
struct timeval begin, now;
status = pt3_tc_set_agc_s(qm->tc, NULL, PT3_TC_AGC_MANUAL);
if (status)
return status;
pt3_qm_get_channel_freq(channel, &bs, &number, &freq);
freq_khz = freq * 10 + offset;
if (pt3_tc_index(qm->tc) == 0)
freq_khz -= 500;
else
freq_khz += 500;
qm->param.channel_freq = freq_khz;
PT3_PRINTK(7, KERN_DEBUG, "ch %d slot %d frequency %d Khz\n", channel, offset, freq_khz);
if ((status = qm_local_lpf_tuning(qm, NULL, 1, channel)))
return status;
do_gettimeofday(&begin);
while (1) {
do_gettimeofday(&now);
if ((status = pt3_qm_get_locked(qm, NULL, &locked)))
return status;
if (locked)
break;
if (time_diff(&begin, &now) >= 100)
break;
schedule_timeout_interruptible(msecs_to_jiffies(1));
}
// PT3_PRINTK(7, KERN_DEBUG "qm_get_locked %d status=0x%x\n", locked, status);
if (!locked)
return STATUS_PLL_LOCK_TIMEOUT_ERROR;
if(!(status = pt3_tc_set_agc_s(qm->tc, NULL, PT3_TC_AGC_AUTO))) {
qm->channel = channel;
qm->offset = offset;
}
return status;
}
