Author | Tokens | Token Proportion | Commits | Commit Proportion |
---|---|---|---|---|
Johannes Stezenbach | 1053 | 93.27% | 3 | 30.00% |
Jemma Denson | 42 | 3.72% | 1 | 10.00% |
Patrick Boettcher | 29 | 2.57% | 2 | 20.00% |
Uwe Bugla | 2 | 0.18% | 1 | 10.00% |
Adrian Bunk | 1 | 0.09% | 1 | 10.00% |
Tom Rix | 1 | 0.09% | 1 | 10.00% |
Greg Kroah-Hartman | 1 | 0.09% | 1 | 10.00% |
Total | 1129 | 10 |
// SPDX-License-Identifier: GPL-2.0 /* * 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"); } void flexcop_smc_ctrl(struct flexcop_device *fc, int onoff) { flexcop_set_ibi_value(ctrl_208, SMC_Enable_sig, onoff); } static void flexcop_null_filter_ctrl(struct flexcop_device *fc, int onoff) { flexcop_set_ibi_value(ctrl_208, Null_filter_sig, onoff); } 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); } void flexcop_mac_filter_ctrl(struct flexcop_device *fc, int onoff) { flexcop_set_ibi_value(ctrl_208, MAC_filter_Mode_sig, onoff); } 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); } static void flexcop_pid_group_filter_ctrl(struct flexcop_device *fc, int onoff) { flexcop_set_ibi_value(ctrl_208, Mask_filter_sig, onoff); } /* 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); } 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); } 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); } 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); } 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); } 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); } 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; } } 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; } 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; } 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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