9 files changed, 274 insertions, 96 deletions

diff --git a/drivers/media/dvb/b2c2/flexcop-common.h b/drivers/media/dvb/b2c2/flexcop-common.h
index 773d158032d..a94912ac187 100644
--- a/drivers/media/dvb/b2c2/flexcop-common.h
+++ b/drivers/media/dvb/b2c2/flexcop-common.h
@@ -108,6 +108,8 @@ void flexcop_device_kfree(struct flexcop_device*);
 int  flexcop_device_initialize(struct flexcop_device*);
 void flexcop_device_exit(struct flexcop_device *fc);
 
+void flexcop_reset_block_300(struct flexcop_device *fc);
+
 /* from flexcop-dma.c */
 int flexcop_dma_allocate(struct pci_dev *pdev, struct flexcop_dma *dma, u32 size);
 void flexcop_dma_free(struct flexcop_dma *dma);
@@ -115,7 +117,8 @@ void flexcop_dma_free(struct flexcop_dma *dma);
 int flexcop_dma_control_timer_irq(struct flexcop_device *fc, flexcop_dma_index_t no, int onoff);
 int flexcop_dma_control_size_irq(struct flexcop_device *fc, flexcop_dma_index_t no, int onoff);
 int flexcop_dma_control_packet_irq(struct flexcop_device *fc, flexcop_dma_index_t no, int onoff);
-int flexcop_dma_config(struct flexcop_device *fc, struct flexcop_dma *dma, flexcop_dma_index_t dma_idx,flexcop_dma_addr_index_t index);
+int flexcop_dma_config(struct flexcop_device *fc, struct flexcop_dma *dma, flexcop_dma_index_t dma_idx);
+int flexcop_dma_xfer_control(struct flexcop_device *fc, flexcop_dma_index_t dma_idx, flexcop_dma_addr_index_t index, int onoff);
 int flexcop_dma_config_timer(struct flexcop_device *fc, flexcop_dma_index_t dma_idx, u8 cycles);
 int flexcop_dma_config_packet_count(struct flexcop_device *fc, flexcop_dma_index_t dma_idx, u8 packets);
 
@@ -151,6 +154,7 @@ int flexcop_sram_init(struct flexcop_device *fc);
 /* from flexcop-misc.c */
 void flexcop_determine_revision(struct flexcop_device *fc);
 void flexcop_device_name(struct flexcop_device *fc,const char *prefix,const char *suffix);
+void flexcop_dump_reg(struct flexcop_device *fc, flexcop_ibi_register reg, int num);
 
 /* from flexcop-hw-filter.c */
 int flexcop_pid_feed_control(struct flexcop_device *fc, struct dvb_demux_feed *dvbdmxfeed, int onoff);
diff --git a/drivers/media/dvb/b2c2/flexcop-dma.c b/drivers/media/dvb/b2c2/flexcop-dma.c
index 8d270607536..cf4ed1df608 100644
--- a/drivers/media/dvb/b2c2/flexcop-dma.c
+++ b/drivers/media/dvb/b2c2/flexcop-dma.c
@@ -37,22 +37,90 @@ void flexcop_dma_free(struct flexcop_dma *dma)
 }
 EXPORT_SYMBOL(flexcop_dma_free);
 
-int flexcop_dma_control_timer_irq(struct flexcop_device *fc, flexcop_dma_index_t no, int onoff)
+int flexcop_dma_config(struct flexcop_device *fc,
+                struct flexcop_dma *dma,
+                flexcop_dma_index_t dma_idx)
 {
-        flexcop_ibi_value v = fc->read_ibi_reg(fc,ctrl_208);
+        flexcop_ibi_value v0x0,v0x4,v0xc;
+        v0x0.raw = v0x4.raw = v0xc.raw = 0;
 
-        if (no & FC_DMA_1)
-                v.ctrl_208.DMA1_Timer_Enable_sig = onoff;
+        v0x0.dma_0x0.dma_address0        = dma->dma_addr0 >> 2;
+        v0xc.dma_0xc.dma_address1        = dma->dma_addr1 >> 2;
+        v0x4.dma_0x4_write.dma_addr_size = dma->size / 4;
 
-        if (no & FC_DMA_2)
-                v.ctrl_208.DMA2_Timer_Enable_sig = onoff;
+        if ((dma_idx & FC_DMA_1) == dma_idx) {
+                fc->write_ibi_reg(fc,dma1_000,v0x0);
+                fc->write_ibi_reg(fc,dma1_004,v0x4);
+                fc->write_ibi_reg(fc,dma1_00c,v0xc);
+        } else if ((dma_idx & FC_DMA_2) == dma_idx) {
+                fc->write_ibi_reg(fc,dma2_010,v0x0);
+                fc->write_ibi_reg(fc,dma2_014,v0x4);
+                fc->write_ibi_reg(fc,dma2_01c,v0xc);
+        } else {
+                err("either DMA1 or DMA2 can be configured at the within one flexcop_dma_config call.");
+                return -EINVAL;
+        }
 
-        fc->write_ibi_reg(fc,ctrl_208,v);
         return 0;
 }
-EXPORT_SYMBOL(flexcop_dma_control_timer_irq);
+EXPORT_SYMBOL(flexcop_dma_config);
+
+/* start the DMA transfers, but not the DMA IRQs */
+int flexcop_dma_xfer_control(struct flexcop_device *fc,
+                flexcop_dma_index_t dma_idx,
+                flexcop_dma_addr_index_t index,
+                int onoff)
+{
+        flexcop_ibi_value v0x0,v0xc;
+        flexcop_ibi_register r0x0,r0xc;
+
+        if ((dma_idx & FC_DMA_1) == dma_idx) {
+                r0x0 = dma1_000;
+                r0xc = dma1_00c;
+        } else if ((dma_idx & FC_DMA_2) == dma_idx) {
+                r0x0 = dma2_010;
+                r0xc = dma2_01c;
+        } else {
+                err("either transfer DMA1 or DMA2 can be started within one flexcop_dma_xfer_control call.");
+                return -EINVAL;
+        }
+
+        v0x0 = fc->read_ibi_reg(fc,r0x0);
+        v0xc = fc->read_ibi_reg(fc,r0xc);
+
+        deb_rdump("reg: %03x: %x\n",r0x0,v0x0.raw);
+        deb_rdump("reg: %03x: %x\n",r0xc,v0xc.raw);
+
+        if (index & FC_DMA_SUBADDR_0)
+                v0x0.dma_0x0.dma_0start = onoff;
+
+        if (index & FC_DMA_SUBADDR_1)
+                v0xc.dma_0xc.dma_1start = onoff;
+
+        fc->write_ibi_reg(fc,r0x0,v0x0);
+        fc->write_ibi_reg(fc,r0xc,v0xc);
+
+        deb_rdump("reg: %03x: %x\n",r0x0,v0x0.raw);
+        deb_rdump("reg: %03x: %x\n",r0xc,v0xc.raw);
+        return 0;
+}
+EXPORT_SYMBOL(flexcop_dma_xfer_control);
+
+static int flexcop_dma_remap(struct flexcop_device *fc,
+                flexcop_dma_index_t dma_idx,
+                int onoff)
+{
+        flexcop_ibi_register r = (dma_idx & FC_DMA_1) ? dma1_00c : dma2_01c;
+        flexcop_ibi_value v = fc->read_ibi_reg(fc,r);
+        deb_info("%s\n",__FUNCTION__);
+        v.dma_0xc.remap_enable = onoff;
+        fc->write_ibi_reg(fc,r,v);
+        return 0;
+}
 
-int flexcop_dma_control_size_irq(struct flexcop_device *fc, flexcop_dma_index_t no, int onoff)
+int flexcop_dma_control_size_irq(struct flexcop_device *fc,
+                flexcop_dma_index_t no,
+                int onoff)
 {
         flexcop_ibi_value v = fc->read_ibi_reg(fc,ctrl_208);
 
@@ -67,75 +135,64 @@ int flexcop_dma_control_size_irq(struct flexcop_device *fc, flexcop_dma_index_t
 }
 EXPORT_SYMBOL(flexcop_dma_control_size_irq);
 
-int flexcop_dma_control_packet_irq(struct flexcop_device *fc, flexcop_dma_index_t no, int onoff)
+int flexcop_dma_control_timer_irq(struct flexcop_device *fc,
+                flexcop_dma_index_t no,
+                int onoff)
 {
         flexcop_ibi_value v = fc->read_ibi_reg(fc,ctrl_208);
 
         if (no & FC_DMA_1)
-                v.ctrl_208.DMA1_Size_IRQ_Enable_sig = onoff;
+                v.ctrl_208.DMA1_Timer_Enable_sig = onoff;
 
         if (no & FC_DMA_2)
-                v.ctrl_208.DMA2_Size_IRQ_Enable_sig = onoff;
+                v.ctrl_208.DMA2_Timer_Enable_sig = onoff;
 
         fc->write_ibi_reg(fc,ctrl_208,v);
         return 0;
 }
-EXPORT_SYMBOL(flexcop_dma_control_packet_irq);
+EXPORT_SYMBOL(flexcop_dma_control_timer_irq);
 
-int flexcop_dma_config(struct flexcop_device *fc, struct flexcop_dma *dma, flexcop_dma_index_t dma_idx,flexcop_dma_addr_index_t index)
+/* 1 cycles = 1.97 msec */
+int flexcop_dma_config_timer(struct flexcop_device *fc,
+                flexcop_dma_index_t dma_idx,
+                u8 cycles)
 {
+        flexcop_ibi_register r = (dma_idx & FC_DMA_1) ? dma1_004 : dma2_014;
+        flexcop_ibi_value v = fc->read_ibi_reg(fc,r);
 
-        flexcop_ibi_value v0x0,v0x4,v0xc;
-        v0x0.raw = v0x4.raw = v0xc.raw = 0;
-
-        v0x0.dma_0x0.dma_address0        = dma->dma_addr0 >> 2;
-        v0xc.dma_0xc.dma_address1        = dma->dma_addr1 >> 2;
-        v0x4.dma_0x4_write.dma_addr_size = dma->size / 4;
-
-        if (index & FC_DMA_SUBADDR_0)
-                v0x0.dma_0x0.dma_0start = 1;
-
-        if (index & FC_DMA_SUBADDR_1)
-                v0xc.dma_0xc.dma_1start = 1;
-
-        if (dma_idx & FC_DMA_1) {
-                fc->write_ibi_reg(fc,dma1_000,v0x0);
-                fc->write_ibi_reg(fc,dma1_004,v0x4);
-                fc->write_ibi_reg(fc,dma1_00c,v0xc);
-        } else { /* (dma_idx & FC_DMA_2) */
-                fc->write_ibi_reg(fc,dma2_010,v0x0);
-                fc->write_ibi_reg(fc,dma2_014,v0x4);
-                fc->write_ibi_reg(fc,dma2_01c,v0xc);
-        }
-
-        return 0;
-}
-EXPORT_SYMBOL(flexcop_dma_config);
+        flexcop_dma_remap(fc,dma_idx,0);
 
-static int flexcop_dma_remap(struct flexcop_device *fc, flexcop_dma_index_t dma_idx, int onoff)
-{
-        flexcop_ibi_register r = (dma_idx & FC_DMA_1) ? dma1_00c : dma2_01c;
-        flexcop_ibi_value v = fc->read_ibi_reg(fc,r);
-        v.dma_0xc.remap_enable = onoff;
+        deb_info("%s\n",__FUNCTION__);
+        v.dma_0x4_write.dmatimer = cycles;
         fc->write_ibi_reg(fc,r,v);
         return 0;
 }
+EXPORT_SYMBOL(flexcop_dma_config_timer);
 
-/* 1 cycles = 1.97 msec */
-int flexcop_dma_config_timer(struct flexcop_device *fc, flexcop_dma_index_t dma_idx, u8 cycles)
+/* packet IRQ does not exist in FCII or FCIIb - according to data book and tests */
+int flexcop_dma_control_packet_irq(struct flexcop_device *fc,
+                flexcop_dma_index_t no,
+                int onoff)
 {
-        flexcop_ibi_register r = (dma_idx & FC_DMA_1) ? dma1_004 : dma2_014;
-        flexcop_ibi_value v = fc->read_ibi_reg(fc,r);
+        flexcop_ibi_value v = fc->read_ibi_reg(fc,ctrl_208);
 
-        flexcop_dma_remap(fc,dma_idx,0);
+        deb_rdump("reg: %03x: %x\n",ctrl_208,v.raw);
+        if (no & FC_DMA_1)
+                v.ctrl_208.DMA1_Size_IRQ_Enable_sig = onoff;
+
+        if (no & FC_DMA_2)
+                v.ctrl_208.DMA2_Size_IRQ_Enable_sig = onoff;
+
+        fc->write_ibi_reg(fc,ctrl_208,v);
+        deb_rdump("reg: %03x: %x\n",ctrl_208,v.raw);
 
-        v.dma_0x4_write.dmatimer = cycles >> 1;
-        fc->write_ibi_reg(fc,r,v);
         return 0;
 }
-EXPORT_SYMBOL(flexcop_dma_config_timer);
+EXPORT_SYMBOL(flexcop_dma_control_packet_irq);
 
-int flexcop_dma_config_packet_count(struct flexcop_device *fc, flexcop_dma_index_t dma_idx, u8 packets)
+int flexcop_dma_config_packet_count(struct flexcop_device *fc,
+                flexcop_dma_index_t dma_idx,
+                u8 packets)
 {
         flexcop_ibi_register r = (dma_idx & FC_DMA_1) ? dma1_004 : dma2_014;
         flexcop_ibi_value v = fc->read_ibi_reg(fc,r);
diff --git a/drivers/media/dvb/b2c2/flexcop-hw-filter.c b/drivers/media/dvb/b2c2/flexcop-hw-filter.c
index 2baf43d3ce8..75cf237196e 100644
--- a/drivers/media/dvb/b2c2/flexcop-hw-filter.c
+++ b/drivers/media/dvb/b2c2/flexcop-hw-filter.c
@@ -10,6 +10,8 @@
 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)
@@ -151,7 +153,7 @@ int flexcop_pid_feed_control(struct flexcop_device *fc, struct dvb_demux_feed *d
 {
         int max_pid_filter = 6 + fc->has_32_hw_pid_filter*32;
 
-        fc->feedcount += onoff ? 1 : -1;
+        fc->feedcount += onoff ? 1 : -1; /* the number of PIDs/Feed currently requested */
         if (dvbdmxfeed->index >= max_pid_filter)
                 fc->extra_feedcount += onoff ? 1 : -1;
 
@@ -178,8 +180,14 @@ int flexcop_pid_feed_control(struct flexcop_device *fc, struct dvb_demux_feed *d
         /* 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)
+                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;
diff --git a/drivers/media/dvb/b2c2/flexcop-misc.c b/drivers/media/dvb/b2c2/flexcop-misc.c
index 23082545651..3a08d38b318 100644
--- a/drivers/media/dvb/b2c2/flexcop-misc.c
+++ b/drivers/media/dvb/b2c2/flexcop-misc.c
@@ -65,3 +65,15 @@ void flexcop_device_name(struct flexcop_device *fc,const char *prefix,const
                         flexcop_device_names[fc->dev_type],flexcop_bus_names[fc->bus_type],
                         flexcop_revision_names[fc->rev],suffix);
 }
+
+void flexcop_dump_reg(struct flexcop_device *fc, flexcop_ibi_register reg, int num)
+{
+        flexcop_ibi_value v;
+        int i;
+        for (i = 0; i < num; i++) {
+                v = fc->read_ibi_reg(fc,reg+4*i);
+                deb_rdump("0x%03x: %08x, ",reg+4*i, v.raw);
+        }
+        deb_rdump("\n");
+}
+EXPORT_SYMBOL(flexcop_dump_reg);
diff --git a/drivers/media/dvb/b2c2/flexcop-pci.c b/drivers/media/dvb/b2c2/flexcop-pci.c
index ed717c0073d..a436d5584ea 100644
--- a/drivers/media/dvb/b2c2/flexcop-pci.c
+++ b/drivers/media/dvb/b2c2/flexcop-pci.c
@@ -13,6 +13,10 @@ static int enable_pid_filtering = 1;
 module_param(enable_pid_filtering, int, 0444);
 MODULE_PARM_DESC(enable_pid_filtering, "enable hardware pid filtering: supported values: 0 (fullts), 1");
 
+static int irq_chk_intv;
+module_param(irq_chk_intv, int, 0644);
+MODULE_PARM_DESC(irq_chk_intv, "set the interval for IRQ watchdog (currently just debugging).");
+
 #ifdef CONFIG_DVB_B2C2_FLEXCOP_DEBUG
 #define dprintk(level,args...) \
         do { if ((debug & level)) printk(args); } while (0)
@@ -26,6 +30,7 @@ MODULE_PARM_DESC(enable_pid_filtering, "enable hardware pid filtering: supported
 #define deb_reg(args...)   dprintk(0x02,args)
 #define deb_ts(args...)    dprintk(0x04,args)
 #define deb_irq(args...)   dprintk(0x08,args)
+#define deb_chk(args...)   dprintk(0x10,args)
 
 static int debug = 0;
 module_param(debug, int, 0644);
@@ -56,6 +61,10 @@ struct flexcop_pci {
 
         spinlock_t irq_lock;
 
+        unsigned long last_irq;
+
+        struct work_struct irq_check_work;
+
         struct flexcop_device *fc_dev;
 };
 
@@ -88,18 +97,55 @@ static int flexcop_pci_write_ibi_reg(struct flexcop_device *fc, flexcop_ibi_regi
         return 0;
 }
 
+static void flexcop_pci_irq_check_work(void *data)
+{
+        struct flexcop_pci *fc_pci = data;
+        struct flexcop_device *fc = fc_pci->fc_dev;
+
+        flexcop_ibi_value v = fc->read_ibi_reg(fc,sram_dest_reg_714);
+
+        flexcop_dump_reg(fc_pci->fc_dev,dma1_000,4);
+
+        if (v.sram_dest_reg_714.net_ovflow_error)
+                deb_chk("sram net_ovflow_error\n");
+        if (v.sram_dest_reg_714.media_ovflow_error)
+                deb_chk("sram media_ovflow_error\n");
+        if (v.sram_dest_reg_714.cai_ovflow_error)
+                deb_chk("sram cai_ovflow_error\n");
+        if (v.sram_dest_reg_714.cai_ovflow_error)
+                deb_chk("sram cai_ovflow_error\n");
+
+        schedule_delayed_work(&fc_pci->irq_check_work,
+                        msecs_to_jiffies(irq_chk_intv < 100 ? 100 : irq_chk_intv));
+}
+
 /* When PID filtering is turned on, we use the timer IRQ, because small amounts
  * of data need to be passed to the user space instantly as well. When PID
  * filtering is turned off, we use the page-change-IRQ */
-static irqreturn_t flexcop_pci_irq(int irq, void *dev_id, struct pt_regs *regs)
+static irqreturn_t flexcop_pci_isr(int irq, void *dev_id, struct pt_regs *regs)
 {
         struct flexcop_pci *fc_pci = dev_id;
         struct flexcop_device *fc = fc_pci->fc_dev;
-        flexcop_ibi_value v = fc->read_ibi_reg(fc,irq_20c);
+        flexcop_ibi_value v;
         irqreturn_t ret = IRQ_HANDLED;
 
         spin_lock_irq(&fc_pci->irq_lock);
 
+        v = fc->read_ibi_reg(fc,irq_20c);
+
+   /* errors */
+        if (v.irq_20c.Data_receiver_error)
+                deb_chk("data receiver error\n");
+        if (v.irq_20c.Continuity_error_flag)
+                deb_chk("Contunuity error flag is set\n");
+        if (v.irq_20c.LLC_SNAP_FLAG_set)
+                deb_chk("LLC_SNAP_FLAG_set is set\n");
+        if (v.irq_20c.Transport_Error)
+                deb_chk("Transport error\n");
+
+        if ((fc_pci->count % 1000) == 0)
+                deb_chk("%d valid irq took place so far\n",fc_pci->count);
+
         if (v.irq_20c.DMA1_IRQ_Status == 1) {
                 if (fc_pci->active_dma1_addr == 0)
                         flexcop_pass_dmx_packets(fc_pci->fc_dev,fc_pci->dma[0].cpu_addr0,fc_pci->dma[0].size / 188);
@@ -115,8 +161,9 @@ static irqreturn_t flexcop_pci_irq(int irq, void *dev_id, struct pt_regs *regs)
                         fc->read_ibi_reg(fc,dma1_008).dma_0x8.dma_cur_addr << 2;
                 u32 cur_pos = cur_addr - fc_pci->dma[0].dma_addr0;
 
-                deb_irq("irq: %08x cur_addr: %08x: cur_pos: %08x, last_cur_pos: %08x ",
-                                v.raw,cur_addr,cur_pos,fc_pci->last_dma1_cur_pos);
+                deb_irq("%u irq: %08x cur_addr: %08x: cur_pos: %08x, last_cur_pos: %08x ",
+                                jiffies_to_usecs(jiffies - fc_pci->last_irq),v.raw,cur_addr,cur_pos,fc_pci->last_dma1_cur_pos);
+                fc_pci->last_irq = jiffies;
 
                 /* buffer end was reached, restarted from the beginning
                  * pass the data from last_cur_pos to the buffer end to the demux
@@ -127,7 +174,6 @@ static irqreturn_t flexcop_pci_irq(int irq, void *dev_id, struct pt_regs *regs)
                                         fc_pci->dma[0].cpu_addr0 + fc_pci->last_dma1_cur_pos,
                                         (fc_pci->dma[0].size*2) - fc_pci->last_dma1_cur_pos);
                         fc_pci->last_dma1_cur_pos = 0;
-                        fc_pci->count = 0;
                 }
 
                 if (cur_pos > fc_pci->last_dma1_cur_pos) {
@@ -139,16 +185,14 @@ static irqreturn_t flexcop_pci_irq(int irq, void *dev_id, struct pt_regs *regs)
                 deb_irq("\n");
 
                 fc_pci->last_dma1_cur_pos = cur_pos;
-        } else
+                fc_pci->count++;
+        } else {
+                deb_irq("isr for flexcop called, apparently without reason (%08x)\n",v.raw);
                 ret = IRQ_NONE;
+        }
 
         spin_unlock_irq(&fc_pci->irq_lock);
 
-/* packet count would be ideal for hw filtering, but it isn't working. Either
- * the data book is wrong, or I'm unable to read it correctly */
-
-/*      if (v.irq_20c.DMA1_Size_IRQ_Status == 1) { packet counter */
-
         return ret;
 }
 
@@ -156,30 +200,35 @@ static int flexcop_pci_stream_control(struct flexcop_device *fc, int onoff)
 {
         struct flexcop_pci *fc_pci = fc->bus_specific;
         if (onoff) {
-                flexcop_dma_config(fc,&fc_pci->dma[0],FC_DMA_1,FC_DMA_SUBADDR_0 | FC_DMA_SUBADDR_1);
-                flexcop_dma_config(fc,&fc_pci->dma[1],FC_DMA_2,FC_DMA_SUBADDR_0 | FC_DMA_SUBADDR_1);
-                flexcop_dma_config_timer(fc,FC_DMA_1,1);
+                flexcop_dma_config(fc,&fc_pci->dma[0],FC_DMA_1);
+                flexcop_dma_config(fc,&fc_pci->dma[1],FC_DMA_2);
 
-                if (fc_pci->fc_dev->pid_filtering) {
-                        fc_pci->last_dma1_cur_pos = 0;
-                        flexcop_dma_control_timer_irq(fc,FC_DMA_1,1);
-                } else {
-                        fc_pci->active_dma1_addr = 0;
-                        flexcop_dma_control_size_irq(fc,FC_DMA_1,1);
-                }
+                flexcop_dma_config_timer(fc,FC_DMA_1,0);
 
-/*              flexcop_dma_config_packet_count(fc,FC_DMA_1,0xc0);
-                flexcop_dma_control_packet_irq(fc,FC_DMA_1,1); */
+                flexcop_dma_xfer_control(fc,FC_DMA_1,FC_DMA_SUBADDR_0 | FC_DMA_SUBADDR_1,1);
+                deb_irq("DMA xfer enabled\n");
 
-                deb_irq("irqs enabled\n");
+                fc_pci->last_dma1_cur_pos = 0;
+                flexcop_dma_control_timer_irq(fc,FC_DMA_1,1);
+                deb_irq("IRQ enabled\n");
+
+//              fc_pci->active_dma1_addr = 0;
+//              flexcop_dma_control_size_irq(fc,FC_DMA_1,1);
+
+                if (irq_chk_intv > 0)
+                        schedule_delayed_work(&fc_pci->irq_check_work,
+                                        msecs_to_jiffies(irq_chk_intv < 100 ? 100 : irq_chk_intv));
         } else {
-                if (fc_pci->fc_dev->pid_filtering)
-                        flexcop_dma_control_timer_irq(fc,FC_DMA_1,0);
-                else
-                        flexcop_dma_control_size_irq(fc,FC_DMA_1,0);
+                if (irq_chk_intv > 0)
+                        cancel_delayed_work(&fc_pci->irq_check_work);
+
+                flexcop_dma_control_timer_irq(fc,FC_DMA_1,0);
+                deb_irq("IRQ disabled\n");
 
-//              flexcop_dma_control_packet_irq(fc,FC_DMA_1,0);
-                deb_irq("irqs disabled\n");
+//              flexcop_dma_control_size_irq(fc,FC_DMA_1,0);
+
+                flexcop_dma_xfer_control(fc,FC_DMA_1,FC_DMA_SUBADDR_0 | FC_DMA_SUBADDR_1,0);
+                deb_irq("DMA xfer disabled\n");
         }
 
         return 0;
@@ -198,6 +247,7 @@ static int flexcop_pci_dma_init(struct flexcop_pci *fc_pci)
         flexcop_sram_set_dest(fc_pci->fc_dev,FC_SRAM_DEST_CAO   | FC_SRAM_DEST_CAI, FC_SRAM_DEST_TARGET_DMA2);
 
         fc_pci->init_state |= FC_PCI_DMA_INIT;
+
         goto success;
 dma1_free:
         flexcop_dma_free(&fc_pci->dma[0]);
@@ -244,7 +294,7 @@ static int flexcop_pci_init(struct flexcop_pci *fc_pci)
 
         pci_set_drvdata(fc_pci->pdev, fc_pci);
 
-        if ((ret = request_irq(fc_pci->pdev->irq, flexcop_pci_irq,
+        if ((ret = request_irq(fc_pci->pdev->irq, flexcop_pci_isr,
                                         SA_SHIRQ, DRIVER_NAME, fc_pci)) != 0)
                 goto err_pci_iounmap;
 
@@ -324,6 +374,8 @@ static int flexcop_pci_probe(struct pci_dev *pdev, const struct pci_device_id *e
         if ((ret = flexcop_pci_dma_init(fc_pci)) != 0)
                 goto err_fc_exit;
 
+        INIT_WORK(&fc_pci->irq_check_work, flexcop_pci_irq_check_work, fc_pci);
+
         goto success;
 err_fc_exit:
         flexcop_device_exit(fc);
@@ -350,17 +402,17 @@ static void flexcop_pci_remove(struct pci_dev *pdev)
 
 static struct pci_device_id flexcop_pci_tbl[] = {
         { PCI_DEVICE(0x13d0, 0x2103) },
-/*      { PCI_DEVICE(0x13d0, 0x2200) }, PCI FlexCopIII ? */
+/*      { PCI_DEVICE(0x13d0, 0x2200) }, ? */
         { },
 };
 
 MODULE_DEVICE_TABLE(pci, flexcop_pci_tbl);
 
 static struct pci_driver flexcop_pci_driver = {
-        .name = "Technisat/B2C2 FlexCop II/IIb/III PCI",
+        .name     = "Technisat/B2C2 FlexCop II/IIb PCI",
         .id_table = flexcop_pci_tbl,
-        .probe = flexcop_pci_probe,
-        .remove = flexcop_pci_remove,
+        .probe    = flexcop_pci_probe,
+        .remove   = flexcop_pci_remove,
 };
 
 static int __init flexcop_pci_module_init(void)
diff --git a/drivers/media/dvb/b2c2/flexcop.c b/drivers/media/dvb/b2c2/flexcop.c
index 8b5d14dd36e..12873d43540 100644
--- a/drivers/media/dvb/b2c2/flexcop.c
+++ b/drivers/media/dvb/b2c2/flexcop.c
@@ -46,7 +46,7 @@
 
 int b2c2_flexcop_debug;
 module_param_named(debug, b2c2_flexcop_debug,  int, 0644);
-MODULE_PARM_DESC(debug, "set debug level (1=info,2=tuner,4=i2c,8=ts,16=sram (|-able))." DEBSTATUS);
+MODULE_PARM_DESC(debug, "set debug level (1=info,2=tuner,4=i2c,8=ts,16=sram,32=reg (|-able))." DEBSTATUS);
 #undef DEBSTATUS
 
 /* global zero for ibi values */
@@ -173,9 +173,20 @@ static void flexcop_reset(struct flexcop_device *fc)
         fc->write_ibi_reg(fc,ctrl_208,ibi_zero);
 
         v210.raw = 0;
-        v210.sw_reset_210.reset_blocks = 0xff;
+        v210.sw_reset_210.reset_block_000 = 1;
+        v210.sw_reset_210.reset_block_100 = 1;
+        v210.sw_reset_210.reset_block_200 = 1;
+        v210.sw_reset_210.reset_block_300 = 1;
+        v210.sw_reset_210.reset_block_400 = 1;
+        v210.sw_reset_210.reset_block_500 = 1;
+        v210.sw_reset_210.reset_block_600 = 1;
+        v210.sw_reset_210.reset_block_700 = 1;
         v210.sw_reset_210.Block_reset_enable = 0xb2;
+
+        v210.sw_reset_210.Special_controls = 0xc259;
+
         fc->write_ibi_reg(fc,sw_reset_210,v210);
+        msleep(1);
 
 /* reset the periphical devices */
 
@@ -186,6 +197,25 @@ static void flexcop_reset(struct flexcop_device *fc)
         fc->write_ibi_reg(fc,misc_204,v204);
 }
 
+void flexcop_reset_block_300(struct flexcop_device *fc)
+{
+        flexcop_ibi_value v208_save = fc->read_ibi_reg(fc,ctrl_208),
+                                          v210 = fc->read_ibi_reg(fc,sw_reset_210);
+
+        deb_rdump("208: %08x, 210: %08x\n",v208_save.raw,v210.raw);
+
+        fc->write_ibi_reg(fc,ctrl_208,ibi_zero);
+
+        v210.sw_reset_210.reset_block_300 = 1;
+        v210.sw_reset_210.Block_reset_enable = 0xb2;
+
+        fc->write_ibi_reg(fc,sw_reset_210,v210);
+        msleep(1);
+
+        fc->write_ibi_reg(fc,ctrl_208,v208_save);
+}
+EXPORT_SYMBOL(flexcop_reset_block_300);
+
 struct flexcop_device *flexcop_device_kmalloc(size_t bus_specific_len)
 {
         void *bus;
diff --git a/drivers/media/dvb/b2c2/flexcop.h b/drivers/media/dvb/b2c2/flexcop.h
index caa343a97bd..0cebe1d92e0 100644
--- a/drivers/media/dvb/b2c2/flexcop.h
+++ b/drivers/media/dvb/b2c2/flexcop.h
@@ -26,5 +26,6 @@ extern int b2c2_flexcop_debug;
 #define deb_i2c(args...)   dprintk(0x04,args)
 #define deb_ts(args...)    dprintk(0x08,args)
 #define deb_sram(args...)  dprintk(0x10,args)
+#define deb_rdump(args...)  dprintk(0x20,args)
 
 #endif
diff --git a/drivers/media/dvb/b2c2/flexcop_ibi_value_be.h b/drivers/media/dvb/b2c2/flexcop_ibi_value_be.h
index bf3cb5a71fb..ed9a6756b19 100644
--- a/drivers/media/dvb/b2c2/flexcop_ibi_value_be.h
+++ b/drivers/media/dvb/b2c2/flexcop_ibi_value_be.h
@@ -152,7 +152,14 @@ typedef union {
         struct {
                 u32 Special_controls               :16;
                 u32 Block_reset_enable             : 8;
-                u32 reset_blocks                   : 8;
+                u32 reset_block_700                : 1;
+                u32 reset_block_600                : 1;
+                u32 reset_block_500                : 1;
+                u32 reset_block_400                : 1;
+                u32 reset_block_300                : 1;
+                u32 reset_block_200                : 1;
+                u32 reset_block_100                : 1;
+                u32 reset_block_000                : 1;
         } sw_reset_210;
 
         struct {
diff --git a/drivers/media/dvb/b2c2/flexcop_ibi_value_le.h b/drivers/media/dvb/b2c2/flexcop_ibi_value_le.h
index bd4528d747d..49f2315b6e5 100644
--- a/drivers/media/dvb/b2c2/flexcop_ibi_value_le.h
+++ b/drivers/media/dvb/b2c2/flexcop_ibi_value_le.h
@@ -150,7 +150,14 @@ typedef union {
         } irq_20c;
 
         struct {
-                u32 reset_blocks                   : 8;
+                u32 reset_block_000                : 1;
+                u32 reset_block_100                : 1;
+                u32 reset_block_200                : 1;
+                u32 reset_block_300                : 1;
+                u32 reset_block_400                : 1;
+                u32 reset_block_500                : 1;
+                u32 reset_block_600                : 1;
+                u32 reset_block_700                : 1;
                 u32 Block_reset_enable             : 8;
                 u32 Special_controls               :16;
         } sw_reset_210;