--- /dev/null
+/*
+ * This file is part of linux driver the digital TV devices equipped with B2C2 FlexcopII(b)/III
+ *
+ * flexcop-hw-filter.c - pid and mac address filtering and corresponding 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);
+}
+
+void flexcop_smc_ctrl(struct flexcop_device *fc, int onoff)
+{
+ flexcop_set_ibi_value(ctrl_208,SMC_Enable_sig,onoff);
+}
+
+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)
+{
+ deb_ts("setting pid: %5d %04x at index %d '%s'\n",pid,pid,index,onoff ? "on" : "off");
+
+ /* 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;
+ }
+}
+
+int flexcop_pid_feed_control(struct flexcop_device *fc, struct dvb_demux_feed *dvbdmxfeed, int onoff)
+{
+ int max_pid_filter = 6 + fc->has_32_hw_pid_filter*32;
+
+ fc->feedcount += (onoff ? 1 : -1);
+
+ /* when doing hw pid filtering, set the pid */
+ if (fc->pid_filtering)
+ flexcop_pid_control(fc,dvbdmxfeed->index,dvbdmxfeed->pid,onoff);
+
+ /* if it was the first feed request */
+ if (fc->feedcount == onoff && onoff) {
+ if (!fc->pid_filtering) {
+ deb_ts("enabling full TS transfer\n");
+ flexcop_pid_group_filter(fc, 0,0);
+ flexcop_pid_group_filter_ctrl(fc,1);
+ }
+
+ if (fc->stream_control)
+ fc->stream_control(fc,1);
+ flexcop_rcv_data_ctrl(fc,1);
+
+ /* if there is no more feed left to feed */
+ } else if (fc->feedcount == onoff && !onoff) {
+ if (!fc->pid_filtering) {
+ deb_ts("disabling full TS transfer\n");
+ flexcop_pid_group_filter(fc, 0x1fe0,0);
+ flexcop_pid_group_filter_ctrl(fc,0);
+ }
+
+ flexcop_rcv_data_ctrl(fc,0);
+ if (fc->stream_control)
+ fc->stream_control(fc,0);
+ }
+
+ /* if pid_filtering is on and more pids than the hw-filter can provide are
+ * requested enable the whole bandwidth.
+ */
+ if (fc->pid_filtering && fc->feedcount > max_pid_filter) {
+ flexcop_pid_group_filter(fc, 0,0);
+ flexcop_pid_group_filter_ctrl(fc,1);
+ } else if (fc->pid_filtering && fc->feedcount <= max_pid_filter) {
+ flexcop_pid_group_filter(fc, 0x1fe0,0);
+ flexcop_pid_group_filter_ctrl(fc,0);
+ }
+
+ return 0;
+}
+
+void flexcop_hw_filter_init(struct flexcop_device *fc)
+{
+ int i;
+ flexcop_ibi_value v;
+ for (i = 0; i < 6 + 32*fc->has_32_hw_pid_filter; i++)
+ flexcop_pid_control(fc,i,0x1fff,0);
+
+ flexcop_pid_group_filter(fc, 0x1fe0,0);
+
+ 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);
+}
projects / linux-2.6-omap-h63xx.git / blobdiff