Release 4.7 drivers/media/common/b2c2/flexcop-hw-filter.c
/*
* Linux driver for digital TV devices equipped with B2C2 FlexcopII(b)/III
* flexcop-hw-filter.c - pid and mac address filtering and control functions
* see flexcop.c for copyright information
*/
#include "flexcop.h"
static void flexcop_rcv_data_ctrl(struct flexcop_device *fc, int onoff)
{
flexcop_set_ibi_value(ctrl_208, Rcv_Data_sig, onoff);
deb_ts("rcv_data is now: '%s'\n", onoff ? "on" : "off");
}
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| Total | 34 | 100.00% | 2 | 100.00% |
void flexcop_smc_ctrl(struct flexcop_device *fc, int onoff)
{
flexcop_set_ibi_value(ctrl_208, SMC_Enable_sig, onoff);
}
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static void flexcop_null_filter_ctrl(struct flexcop_device *fc, int onoff)
{
flexcop_set_ibi_value(ctrl_208, Null_filter_sig, onoff);
}
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void flexcop_set_mac_filter(struct flexcop_device *fc, u8 mac[6])
{
flexcop_ibi_value v418, v41c;
v41c = fc->read_ibi_reg(fc, mac_address_41c);
v418.mac_address_418.MAC1 = mac[0];
v418.mac_address_418.MAC2 = mac[1];
v418.mac_address_418.MAC3 = mac[2];
v418.mac_address_418.MAC6 = mac[3];
v41c.mac_address_41c.MAC7 = mac[4];
v41c.mac_address_41c.MAC8 = mac[5];
fc->write_ibi_reg(fc, mac_address_418, v418);
fc->write_ibi_reg(fc, mac_address_41c, v41c);
}
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void flexcop_mac_filter_ctrl(struct flexcop_device *fc, int onoff)
{
flexcop_set_ibi_value(ctrl_208, MAC_filter_Mode_sig, onoff);
}
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static void flexcop_pid_group_filter(struct flexcop_device *fc,
u16 pid, u16 mask)
{
/* index_reg_310.extra_index_reg need to 0 or 7 to work */
flexcop_ibi_value v30c;
v30c.pid_filter_30c_ext_ind_0_7.Group_PID = pid;
v30c.pid_filter_30c_ext_ind_0_7.Group_mask = mask;
fc->write_ibi_reg(fc, pid_filter_30c, v30c);
}
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static void flexcop_pid_group_filter_ctrl(struct flexcop_device *fc, int onoff)
{
flexcop_set_ibi_value(ctrl_208, Mask_filter_sig, onoff);
}
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/* this fancy define reduces the code size of the quite similar PID controlling of
* the first 6 PIDs
*/
#define pid_ctrl(vregname,field,enablefield,trans_field,transval) \
flexcop_ibi_value vpid = fc->read_ibi_reg(fc, vregname), \
v208 = fc->read_ibi_reg(fc, ctrl_208); \
vpid.vregname.field = onoff ? pid : 0x1fff; \
vpid.vregname.trans_field = transval; \
v208.ctrl_208.enablefield = onoff; \
fc->write_ibi_reg(fc, vregname, vpid); \
fc->write_ibi_reg(fc, ctrl_208, v208);
static void flexcop_pid_Stream1_PID_ctrl(struct flexcop_device *fc,
u16 pid, int onoff)
{
pid_ctrl(pid_filter_300, Stream1_PID, Stream1_filter_sig,
Stream1_trans, 0);
}
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static void flexcop_pid_Stream2_PID_ctrl(struct flexcop_device *fc,
u16 pid, int onoff)
{
pid_ctrl(pid_filter_300, Stream2_PID, Stream2_filter_sig,
Stream2_trans, 0);
}
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static void flexcop_pid_PCR_PID_ctrl(struct flexcop_device *fc,
u16 pid, int onoff)
{
pid_ctrl(pid_filter_304, PCR_PID, PCR_filter_sig, PCR_trans, 0);
}
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static void flexcop_pid_PMT_PID_ctrl(struct flexcop_device *fc,
u16 pid, int onoff)
{
pid_ctrl(pid_filter_304, PMT_PID, PMT_filter_sig, PMT_trans, 0);
}
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static void flexcop_pid_EMM_PID_ctrl(struct flexcop_device *fc,
u16 pid, int onoff)
{
pid_ctrl(pid_filter_308, EMM_PID, EMM_filter_sig, EMM_trans, 0);
}
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static void flexcop_pid_ECM_PID_ctrl(struct flexcop_device *fc,
u16 pid, int onoff)
{
pid_ctrl(pid_filter_308, ECM_PID, ECM_filter_sig, ECM_trans, 0);
}
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static void flexcop_pid_control(struct flexcop_device *fc,
int index, u16 pid, int onoff)
{
if (pid == 0x2000)
return;
deb_ts("setting pid: %5d %04x at index %d '%s'\n",
pid, pid, index, onoff ? "on" : "off");
/* First 6 can be buggy - skip over them if option set */
if (fc->skip_6_hw_pid_filter)
index += 6;
/* We could use bit magic here to reduce source code size.
* I decided against it, but to use the real register names */
switch (index) {
case 0:
flexcop_pid_Stream1_PID_ctrl(fc, pid, onoff);
break;
case 1:
flexcop_pid_Stream2_PID_ctrl(fc, pid, onoff);
break;
case 2:
flexcop_pid_PCR_PID_ctrl(fc, pid, onoff);
break;
case 3:
flexcop_pid_PMT_PID_ctrl(fc, pid, onoff);
break;
case 4:
flexcop_pid_EMM_PID_ctrl(fc, pid, onoff);
break;
case 5:
flexcop_pid_ECM_PID_ctrl(fc, pid, onoff);
break;
default:
if (fc->has_32_hw_pid_filter && index < 38) {
flexcop_ibi_value vpid, vid;
/* set the index */
vid = fc->read_ibi_reg(fc, index_reg_310);
vid.index_reg_310.index_reg = index - 6;
fc->write_ibi_reg(fc, index_reg_310, vid);
vpid = fc->read_ibi_reg(fc, pid_n_reg_314);
vpid.pid_n_reg_314.PID = onoff ? pid : 0x1fff;
vpid.pid_n_reg_314.PID_enable_bit = onoff;
fc->write_ibi_reg(fc, pid_n_reg_314, vpid);
}
break;
}
}
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| Total | 234 | 100.00% | 3 | 100.00% |
static int flexcop_toggle_fullts_streaming(struct flexcop_device *fc, int onoff)
{
if (fc->fullts_streaming_state != onoff) {
deb_ts("%s full TS transfer\n",onoff ? "enabling" : "disabling");
flexcop_pid_group_filter(fc, 0, 0x1fe0 * (!onoff));
flexcop_pid_group_filter_ctrl(fc, onoff);
fc->fullts_streaming_state = onoff;
}
return 0;
}
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| Total | 65 | 100.00% | 1 | 100.00% |
int flexcop_pid_feed_control(struct flexcop_device *fc,
struct dvb_demux_feed *dvbdmxfeed, int onoff)
{
int max_pid_filter = 6;
max_pid_filter -= 6 * fc->skip_6_hw_pid_filter;
max_pid_filter += 32 * fc->has_32_hw_pid_filter;
fc->feedcount += onoff ? 1 : -1; /* the number of PIDs/Feed currently requested */
if (dvbdmxfeed->index >= max_pid_filter)
fc->extra_feedcount += onoff ? 1 : -1;
/* toggle complete-TS-streaming when:
* - pid_filtering is not enabled and it is the first or last feed requested
* - pid_filtering is enabled,
* - but the number of requested feeds is exceeded
* - or the requested pid is 0x2000 */
if (!fc->pid_filtering && fc->feedcount == onoff)
flexcop_toggle_fullts_streaming(fc, onoff);
if (fc->pid_filtering) {
flexcop_pid_control \
(fc, dvbdmxfeed->index, dvbdmxfeed->pid, onoff);
if (fc->extra_feedcount > 0)
flexcop_toggle_fullts_streaming(fc, 1);
else if (dvbdmxfeed->pid == 0x2000)
flexcop_toggle_fullts_streaming(fc, onoff);
else
flexcop_toggle_fullts_streaming(fc, 0);
}
/* if it was the first or last feed request change the stream-status */
if (fc->feedcount == onoff) {
flexcop_rcv_data_ctrl(fc, onoff);
if (fc->stream_control) /* device specific stream control */
fc->stream_control(fc, onoff);
/* feeding stopped -> reset the flexcop filter*/
if (onoff == 0) {
flexcop_reset_block_300(fc);
flexcop_hw_filter_init(fc);
}
}
return 0;
}
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| Total | 210 | 100.00% | 5 | 100.00% |
EXPORT_SYMBOL(flexcop_pid_feed_control);
void flexcop_hw_filter_init(struct flexcop_device *fc)
{
int i;
flexcop_ibi_value v;
int max_pid_filter = 6;
max_pid_filter -= 6 * fc->skip_6_hw_pid_filter;
max_pid_filter += 32 * fc->has_32_hw_pid_filter;
for (i = 0; i < max_pid_filter; i++)
flexcop_pid_control(fc, i, 0x1fff, 0);
flexcop_pid_group_filter(fc, 0, 0x1fe0);
flexcop_pid_group_filter_ctrl(fc, 0);
v = fc->read_ibi_reg(fc, pid_filter_308);
v.pid_filter_308.EMM_filter_4 = 1;
v.pid_filter_308.EMM_filter_6 = 0;
fc->write_ibi_reg(fc, pid_filter_308, v);
flexcop_null_filter_ctrl(fc, 1);
}
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| Total | 122 | 100.00% | 3 | 100.00% |
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| Total | 1129 | 100.00% | 8 | 100.00% |
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