mirror of
https://github.com/DigitalDevices/dddvb.git
synced 2023-10-10 13:37:43 +02:00
add new properties API for modulator
This commit is contained in:
Ralph Metzler
parent
a4c275895d
commit
85b1447059
@ -213,15 +213,103 @@ static void mod_set_rateinc(struct ddb *dev, u32 chan)
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mod_busy(dev, chan);
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}
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static void mod_calc_rateinc(struct ddb_mod *mod)
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{
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u32 ri;
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pr_info("ibitrate %llu\n", mod->ibitrate);
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pr_info("obitrate %llu\n", mod->obitrate);
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if (mod->ibitrate != 0) {
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u64 d = mod->obitrate - mod->ibitrate;
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d = div64_u64(d, mod->obitrate >> 24);
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if (d > 0xfffffe)
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ri = 0xfffffe;
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else
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ri = d;
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} else
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ri = 0;
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mod->rate_inc = ri;
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pr_info("ibr=%llu, obr=%llu, ri=0x%06x\n",
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mod->ibitrate >> 32, mod->obitrate >> 32, ri);
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}
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static int mod_calc_obitrate(struct ddb_mod *mod)
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{
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struct ddb *dev = mod->port->dev;
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u64 ofac;
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ofac = (((u64) mod->symbolrate) << 32) * 188;
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ofac = div_u64(ofac, 204);
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mod->obitrate = ofac * (mod->modulation + 3);
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return 0;
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}
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static int mod_set_symbolrate(struct ddb_mod *mod, u32 srate)
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{
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struct ddb *dev = mod->port->dev;
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u64 ofac;
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if (dev->link[0].info->version < 2) {
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if (srate != 6900000)
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return -EINVAL;
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} else {
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if (srate > 7100000)
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return -EINVAL;
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}
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mod->symbolrate = srate;
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mod_calc_obitrate(mod);
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return 0;
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}
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static u32 qamtab[6] = { 0x000, 0x600, 0x601, 0x602, 0x903, 0x604 };
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static int mod_set_modulation(struct ddb_mod *mod, enum fe_modulation modulation)
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{
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struct ddb *dev = mod->port->dev;
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u64 ofac;
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if (modulation > QAM_256 || modulation < QAM_16)
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return -EINVAL;
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mod->modulation = modulation;
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if (dev->link[0].info->version < 2)
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ddbwritel(dev, qamtab[modulation], CHANNEL_SETTINGS(mod->nr));
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mod_calc_obitrate(mod);
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return 0;
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}
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static int mod_set_frequency(struct ddb_mod *mod, u32 frequency)
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{
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u32 freq = frequency / 1000000;
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if (frequency % 1000000)
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return -EINVAL;
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if ((freq - 114) % 8)
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return -EINVAL;
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if ((freq < 114) || (freq > 874))
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return -EINVAL;
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mod->frequency = frequency;
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return 0;
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}
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static int mod_set_ibitrate(struct ddb_mod *mod, u64 ibitrate)
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{
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if (ibitrate > mod->obitrate)
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return -EINVAL;
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mod->ibitrate = ibitrate;
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mod_calc_rateinc(mod);
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return 0;
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}
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int ddbridge_mod_output_start(struct ddb_output *output)
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{
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struct ddb *dev = output->port->dev;
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u32 Channel = output->nr;
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struct ddb_mod *mod = &dev->mod[output->nr];
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u32 Symbolrate = mod->symbolrate;
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mod_calc_rateinc(mod);
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/*PCRIncrement = RoundPCR(PCRIncrement);*/
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/*PCRDecrement = RoundPCR(PCRDecrement);*/
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@ -250,7 +338,8 @@ int ddbridge_mod_output_start(struct ddb_output *output)
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pr_info("CHANNEL_BASE = %08x\n", CHANNEL_BASE);
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pr_info("CHANNEL_CONTROL = %08x\n", CHANNEL_CONTROL(Channel));
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if (dev->link[0].info->version == 2) {
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u32 Output = ((dev->mod_base.frequency - 114000000)/8000000 + Channel) % 96;
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//u32 Output = ((dev->mod_base.frequency - 114000000)/8000000 + Channel) % 96;
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u32 Output = (mod->frequency - 114000000) / 8000000;
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u32 KF = Symbolrate;
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u32 LF = 9000000UL;
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u32 d = gcd(KF,LF);
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@ -1063,30 +1152,6 @@ u32 eqtab[] = {
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0x00001B23, 0x0000EEB7, 0x00006A28
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};
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static int mod_set_modrate(struct ddb *dev, int chan,
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enum fe_modulation mod, u32 srate)
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{
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u64 ofac;
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if (mod > QAM_256 || mod < QAM_16)
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return -EINVAL;
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if (dev->link[0].info->version < 2) {
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if (srate != 6900000)
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return -EINVAL;
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} else {
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if (srate > 7100000)
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return -EINVAL;
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}
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dev->mod[chan].symbolrate = srate;
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dev->mod[chan].modulation = mod;
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ofac = ((((u64) srate) << 32) * 188 ) / 204;
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dev->mod[chan].obitrate = ofac * (mod + 3);
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dev->mod[chan].ibitrate = dev->mod[chan].obitrate;
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if (dev->link[0].info->version < 2)
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ddbwritel(dev, qamtab[mod], CHANNEL_SETTINGS(chan));
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return 0;
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}
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static void mod_set_channelsumshift(struct ddb *dev, u32 shift)
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{
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ddbwritel(dev, (shift & 3) << 2, MODULATOR_CONTROL);
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@ -1188,6 +1253,9 @@ static int mod_init_1(struct ddb *dev, u32 Frequency)
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mod_set_down(dev, DownFrequency, 8, Ext);
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for (i = 0; i < 10; i++) {
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struct ddb_mod *mod = &dev->mod[i];
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mod->port = &dev->port[i];
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ddbwritel(dev, 0, CHANNEL_CONTROL(i));
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iqfreq = flash->DataSet[0].FrequencyFactor *
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@ -1195,7 +1263,8 @@ static int mod_init_1(struct ddb *dev, u32 Frequency)
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iqfreq += (dev->link[0].ids.hwid == 0x0203dd01) ? 22 : 0 ;
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iqsteps = flash->DataSet[0].IQTableLength;
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mod_set_iq(dev, iqsteps, i, iqfreq);
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mod_set_modrate(dev, i, QAM_256, 6900000);
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mod_set_modulation(mod, QAM_256);
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mod_set_symbolrate(mod, 6900000);
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}
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mod_bypass_equalizer(dev, 1);
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@ -1404,26 +1473,27 @@ void ddbridge_mod_rate_handler(unsigned long data)
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PCRAdjustExtFrac, PCRCorr, mod->PCRIncrement);
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}
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static void mod_calc_rateinc(struct ddb_mod *mod)
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static int mod_prop_proc(struct ddb_mod *mod, struct dtv_property *tvp)
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{
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u32 ri;
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pr_info("ibitrate %llu\n", mod->ibitrate);
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pr_info("obitrate %llu\n", mod->obitrate);
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if (mod->ibitrate != 0) {
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u64 d = mod->obitrate - mod->ibitrate;
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d = div64_u64(d, mod->obitrate >> 24);
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if (d > 0xfffffe)
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ri = 0xfffffe;
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else
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ri = d;
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} else
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ri = 0;
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mod->rate_inc = ri;
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pr_info("ibr=%llu, obr=%llu, ri=0x%06x\n",
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mod->ibitrate >> 32, mod->obitrate >> 32, ri);
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struct ddb *dev = mod->port->dev;
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switch(tvp->cmd) {
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case MOD_SYMBOL_RATE:
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return mod_set_symbolrate(mod, tvp->u.data);
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case MOD_MODULATION:
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return mod_set_modulation(mod, tvp->u.data);
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case MOD_FREQUENCY:
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return mod_set_frequency(mod, tvp->u.data);
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case MOD_ATTENUATOR:
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return mod_set_attenuator(mod->port->dev, tvp->u.data);
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case MOD_INPUT_BITRATE:
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return mod_set_ibitrate(mod, tvp->u.data);
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}
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return 0;
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}
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int ddbridge_mod_do_ioctl(struct file *file, unsigned int cmd, void *parg)
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@ -1431,11 +1501,38 @@ int ddbridge_mod_do_ioctl(struct file *file, unsigned int cmd, void *parg)
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struct dvb_device *dvbdev = file->private_data;
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struct ddb_output *output = dvbdev->priv;
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struct ddb *dev = output->port->dev;
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/* unsigned long arg = (unsigned long) parg; */
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struct ddb_mod *mod = &dev->mod[output->nr];
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int ret = 0;
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switch (cmd) {
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case FE_SET_PROPERTY:
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{
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struct dtv_properties *tvps = (struct dtv_properties __user *) parg;
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struct dtv_property *tvp = NULL;
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int i;
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if ((tvps->num == 0) || (tvps->num > DTV_IOCTL_MAX_MSGS))
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return -EINVAL;
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tvp = kmalloc(tvps->num * sizeof(struct dtv_property), GFP_KERNEL);
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if (!tvp) {
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ret = -ENOMEM;
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goto out;
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}
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if (copy_from_user(tvp, tvps->props, tvps->num *
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sizeof(struct dtv_property))) {
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ret = -EFAULT;
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goto out;
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}
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for (i = 0; i < tvps->num; i++) {
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if ((ret = mod_prop_proc(mod, tvp + i)) < 0)
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goto out;
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(tvp + i)->result = ret;
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}
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out:
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kfree(tvp);
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return ret;
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}
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case DVB_MOD_SET:
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{
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struct dvb_mod_params *mp = parg;
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@ -1453,18 +1550,16 @@ int ddbridge_mod_do_ioctl(struct file *file, unsigned int cmd, void *parg)
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case DVB_MOD_CHANNEL_SET:
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{
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struct dvb_mod_channel_params *cp = parg;
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struct ddb_mod *mod = &dev->mod[output->nr];
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int res;
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res = mod_set_modrate(dev, output->nr, cp->modulation, 6900000);
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res = mod_set_modulation(mod, cp->modulation);
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if (res)
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return res;
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if (cp->input_bitrate > dev->mod[output->nr].obitrate)
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return -EINVAL;
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dev->mod[output->nr].ibitrate = cp->input_bitrate;
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dev->mod[output->nr].pcr_correction = cp->pcr_correction;
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mod_calc_rateinc(&dev->mod[output->nr]);
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res = mod_set_ibitrate(mod, cp->input_bitrate);
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if (res)
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return res;
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mod->pcr_correction = cp->pcr_correction;
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break;
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}
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default:
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@ -1482,9 +1577,14 @@ static int mod_init_2(struct ddb *dev, u32 Frequency)
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dev->mod_base.frequency = Frequency;
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status = mod_fsm_setup(dev, 0, 0);
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for (i = 0; i < streams; i++)
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mod_set_modrate(dev, i, QAM_256, 6900000);
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for (i = 0; i < streams; i++) {
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struct ddb_mod *mod = &dev->mod[i];
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mod->port = &dev->port[i];
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mod_set_modulation(mod, QAM_256);
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mod_set_symbolrate(mod, 6900000);
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mod_set_frequency(mod, 114000000 + i * 8000000);
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}
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if (streams <= 8)
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mod_set_vga(dev, RF_VGA_GAIN_N8);
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else if (streams <= 16)
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