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);