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support old gain command for new MCI firmware

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internal 2023-11-23 21:27:19 +01:00
parent 934c619bcb
commit c681e4f24a
1 changed files with 39 additions and 21 deletions
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60
ddbridge/ddbridge-modulator.c
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@ -574,10 +574,37 @@ static int mod_fsm_setup(struct ddb *dev, u32 MaxUsedChannels)
return status;
}
static int mod_set_power(struct ddb *dev)
{
struct ddb_link *link = &dev->link[0];
struct mod_base *base = &dev->mod_base;
struct mci_result res;
struct mci_command cmd = {
.mod_command = MOD_SETUP_OUTPUT,
.mod_channel = 0,
.mod_stream = 0,
.mod_setup_output = {
.connector = MOD_CONNECTOR_F,
.num_channels = dev->link[0].info->port_num,
.unit = MOD_UNIT_DBUV,
.channel_power = 9000,
},
};
if (!link->mci_ok)
return -EFAULT;
cmd.mod_setup_output.channel_power =
8232 - base->attenuation * 1000 + base->gain * 12;
return ddb_mci_cmd_link(link, &cmd, &res);
}
static int mod_set_vga(struct ddb *dev, u32 gain)
{
if (gain > 255)
return -EINVAL;
if (dev->link[0].ids.revision == 1) {
dev->mod_base.gain = gain;
return mod_set_power(dev);
}
ddbwritel(dev, gain, RF_VGA);
return 0;
}
@ -686,23 +713,8 @@ static int mod_set_attenuator(struct ddb *dev, u32 Value)
if (Value > 31)
return -EINVAL;
if (dev->link[0].ids.revision == 1) {
struct ddb_link *link = &dev->link[0];
struct mci_result res;
struct mci_command cmd = {
.mod_command = MOD_SETUP_OUTPUT,
.mod_channel = 0,
.mod_stream = 0,
.mod_setup_output = {
.connector = MOD_CONNECTOR_F,
.num_channels = dev->link[0].info->port_num,
.unit = MOD_UNIT_DBUV,
.channel_power = 9000 - Value * 100,
},
};
if (!link->mci_ok) {
return -EFAULT;
}
return ddb_mci_cmd_link(link, &cmd, &res);
dev->mod_base.attenuation = Value;
return mod_set_power(dev);
} else
ddbwritel(dev, Value, RF_ATTENUATOR);
return 0;
@ -1745,7 +1757,7 @@ static int mod_prop_proc(struct ddb_mod *mod, struct dtv_property *tvp)
if (mod->port->dev->link[0].info->version == 2)
return mod_set_vga(mod->port->dev, tvp->u.data);
return -EINVAL;
case MODULATOR_RESET:
if (mod->port->dev->link[0].info->version == 2)
return mod_fsm_setup(mod->port->dev,0 );
@ -1937,10 +1949,11 @@ int ddbridge_mod_do_ioctl(struct file *file, unsigned int cmd, void *parg)
(struct ddb_mci_msg __user *) parg;
struct ddb_link *link;
if (dev->link[0].ids.revision != 1)
if (dev->link[0].ids.revision != 1) {
ret = -EINVAL;
break;
if (msg->link > 3) {
}
if (msg->link > 3) {
ret = -EFAULT;
break;
}
@ -1965,6 +1978,10 @@ static int mod_init_2_1(struct ddb *dev, u32 Frequency)
int i, streams = dev->link[0].info->port_num;
dev->mod_base.frequency = Frequency;
dev->mod_base.gain = 64;
dev->mod_base.attenuation = 0;
mod_set_power(dev);
for (i = 0; i < streams; i++) {
struct ddb_mod *mod = &dev->mod[i];
mod->port = &dev->port[i];
@ -2164,6 +2181,7 @@ static int mod_init_sdr_iq(struct ddb *dev)
mod_set_sdr_attenuator(dev, 0);
udelay(10);
mod_set_sdr_gain(dev, 120);
ddb_mci_cmd_link_simple(&dev->link[0], 0xc0, 0x00, 90);
return ret;
}