2 * This file is part of linux driver the digital TV devices equipped with B2C2 FlexcopII(b)/III
4 * flexcop-hw-filter.c - pid and mac address filtering and corresponding control functions.
6 * see flexcop.c for copyright information.
10 static void flexcop_rcv_data_ctrl(struct flexcop_device
*fc
, int onoff
)
12 flexcop_set_ibi_value(ctrl_208
,Rcv_Data_sig
,onoff
);
15 void flexcop_smc_ctrl(struct flexcop_device
*fc
, int onoff
)
17 flexcop_set_ibi_value(ctrl_208
,SMC_Enable_sig
,onoff
);
20 void flexcop_null_filter_ctrl(struct flexcop_device
*fc
, int onoff
)
22 flexcop_set_ibi_value(ctrl_208
,Null_filter_sig
,onoff
);
25 void flexcop_set_mac_filter(struct flexcop_device
*fc
, u8 mac
[6])
27 flexcop_ibi_value v418
,v41c
;
28 v41c
= fc
->read_ibi_reg(fc
,mac_address_41c
);
30 v418
.mac_address_418
.MAC1
= mac
[0];
31 v418
.mac_address_418
.MAC2
= mac
[1];
32 v418
.mac_address_418
.MAC3
= mac
[2];
33 v418
.mac_address_418
.MAC6
= mac
[3];
34 v41c
.mac_address_41c
.MAC7
= mac
[4];
35 v41c
.mac_address_41c
.MAC8
= mac
[5];
37 fc
->write_ibi_reg(fc
,mac_address_418
,v418
);
38 fc
->write_ibi_reg(fc
,mac_address_41c
,v41c
);
41 void flexcop_mac_filter_ctrl(struct flexcop_device
*fc
, int onoff
)
43 flexcop_set_ibi_value(ctrl_208
,MAC_filter_Mode_sig
,onoff
);
46 static void flexcop_pid_group_filter(struct flexcop_device
*fc
, u16 pid
, u16 mask
)
48 /* index_reg_310.extra_index_reg need to 0 or 7 to work */
49 flexcop_ibi_value v30c
;
50 v30c
.pid_filter_30c_ext_ind_0_7
.Group_PID
= pid
;
51 v30c
.pid_filter_30c_ext_ind_0_7
.Group_mask
= mask
;
52 fc
->write_ibi_reg(fc
,pid_filter_30c
,v30c
);
55 static void flexcop_pid_group_filter_ctrl(struct flexcop_device
*fc
, int onoff
)
57 flexcop_set_ibi_value(ctrl_208
,Mask_filter_sig
,onoff
);
60 /* this fancy define reduces the code size of the quite similar PID controlling of
64 #define pid_ctrl(vregname,field,enablefield,trans_field,transval) \
65 flexcop_ibi_value vpid = fc->read_ibi_reg(fc, vregname), \
66 v208 = fc->read_ibi_reg(fc, ctrl_208); \
68 vpid.vregname.field = onoff ? pid : 0x1fff; \
69 vpid.vregname.trans_field = transval; \
70 v208.ctrl_208.enablefield = onoff; \
72 fc->write_ibi_reg(fc,vregname,vpid); \
73 fc->write_ibi_reg(fc,ctrl_208,v208);
75 static void flexcop_pid_Stream1_PID_ctrl(struct flexcop_device
*fc
, u16 pid
, int onoff
)
77 pid_ctrl(pid_filter_300
,Stream1_PID
,Stream1_filter_sig
,Stream1_trans
,0);
80 static void flexcop_pid_Stream2_PID_ctrl(struct flexcop_device
*fc
, u16 pid
, int onoff
)
82 pid_ctrl(pid_filter_300
,Stream2_PID
,Stream2_filter_sig
,Stream2_trans
,0);
85 static void flexcop_pid_PCR_PID_ctrl(struct flexcop_device
*fc
, u16 pid
, int onoff
)
87 pid_ctrl(pid_filter_304
,PCR_PID
,PCR_filter_sig
,PCR_trans
,0);
90 static void flexcop_pid_PMT_PID_ctrl(struct flexcop_device
*fc
, u16 pid
, int onoff
)
92 pid_ctrl(pid_filter_304
,PMT_PID
,PMT_filter_sig
,PMT_trans
,0);
95 static void flexcop_pid_EMM_PID_ctrl(struct flexcop_device
*fc
, u16 pid
, int onoff
)
97 pid_ctrl(pid_filter_308
,EMM_PID
,EMM_filter_sig
,EMM_trans
,0);
100 static void flexcop_pid_ECM_PID_ctrl(struct flexcop_device
*fc
, u16 pid
, int onoff
)
102 pid_ctrl(pid_filter_308
,ECM_PID
,ECM_filter_sig
,ECM_trans
,0);
105 static void flexcop_pid_control(struct flexcop_device
*fc
, int index
, u16 pid
,int onoff
)
110 deb_ts("setting pid: %5d %04x at index %d '%s'\n",pid
,pid
,index
,onoff
? "on" : "off");
112 /* We could use bit magic here to reduce source code size.
113 * I decided against it, but to use the real register names */
115 case 0: flexcop_pid_Stream1_PID_ctrl(fc
,pid
,onoff
); break;
116 case 1: flexcop_pid_Stream2_PID_ctrl(fc
,pid
,onoff
); break;
117 case 2: flexcop_pid_PCR_PID_ctrl(fc
,pid
,onoff
); break;
118 case 3: flexcop_pid_PMT_PID_ctrl(fc
,pid
,onoff
); break;
119 case 4: flexcop_pid_EMM_PID_ctrl(fc
,pid
,onoff
); break;
120 case 5: flexcop_pid_ECM_PID_ctrl(fc
,pid
,onoff
); break;
122 if (fc
->has_32_hw_pid_filter
&& index
< 38) {
123 flexcop_ibi_value vpid
,vid
;
126 vid
= fc
->read_ibi_reg(fc
,index_reg_310
);
127 vid
.index_reg_310
.index_reg
= index
- 6;
128 fc
->write_ibi_reg(fc
,index_reg_310
, vid
);
130 vpid
= fc
->read_ibi_reg(fc
,pid_n_reg_314
);
131 vpid
.pid_n_reg_314
.PID
= onoff
? pid
: 0x1fff;
132 vpid
.pid_n_reg_314
.PID_enable_bit
= onoff
;
133 fc
->write_ibi_reg(fc
,pid_n_reg_314
, vpid
);
139 static int flexcop_toggle_fullts_streaming(struct flexcop_device
*fc
,int onoff
)
141 if (fc
->fullts_streaming_state
!= onoff
) {
142 deb_ts("%s full TS transfer\n",onoff
? "enabling" : "disabling");
143 flexcop_pid_group_filter(fc
, 0, 0x1fe0 * (!onoff
));
144 flexcop_pid_group_filter_ctrl(fc
,onoff
);
145 fc
->fullts_streaming_state
= onoff
;
150 int flexcop_pid_feed_control(struct flexcop_device
*fc
, struct dvb_demux_feed
*dvbdmxfeed
, int onoff
)
152 int max_pid_filter
= 6 + fc
->has_32_hw_pid_filter
*32;
154 fc
->feedcount
+= onoff
? 1 : -1;
155 if (dvbdmxfeed
->index
>= max_pid_filter
)
156 fc
->extra_feedcount
+= onoff
? 1 : -1;
158 /* toggle complete-TS-streaming when:
159 * - pid_filtering is not enabled and it is the first or last feed requested
160 * - pid_filtering is enabled,
161 * - but the number of requested feeds is exceeded
162 * - or the requested pid is 0x2000 */
164 if (!fc
->pid_filtering
&& fc
->feedcount
== onoff
)
165 flexcop_toggle_fullts_streaming(fc
,onoff
);
167 if (fc
->pid_filtering
) {
168 flexcop_pid_control(fc
,dvbdmxfeed
->index
,dvbdmxfeed
->pid
,onoff
);
170 if (fc
->extra_feedcount
> 0)
171 flexcop_toggle_fullts_streaming(fc
,1);
172 else if (dvbdmxfeed
->pid
== 0x2000)
173 flexcop_toggle_fullts_streaming(fc
,onoff
);
175 flexcop_toggle_fullts_streaming(fc
,0);
178 /* if it was the first or last feed request change the stream-status */
179 if (fc
->feedcount
== onoff
) {
180 flexcop_rcv_data_ctrl(fc
,onoff
);
181 if (fc
->stream_control
)
182 fc
->stream_control(fc
,onoff
);
188 void flexcop_hw_filter_init(struct flexcop_device
*fc
)
192 for (i
= 0; i
< 6 + 32*fc
->has_32_hw_pid_filter
; i
++)
193 flexcop_pid_control(fc
,i
,0x1fff,0);
195 flexcop_pid_group_filter(fc
, 0, 0x1fe0);
196 flexcop_pid_group_filter_ctrl(fc
,0);
198 v
= fc
->read_ibi_reg(fc
,pid_filter_308
);
199 v
.pid_filter_308
.EMM_filter_4
= 1;
200 v
.pid_filter_308
.EMM_filter_6
= 0;
201 fc
->write_ibi_reg(fc
,pid_filter_308
,v
);
203 flexcop_null_filter_ctrl(fc
, 1);