ddbridge: bump to ddbridge-0.9.29

index 7e164a370273..9d28448524de 100644
@@ -1,7 +1,10 @@
 /*
- * ddbridge.c: Digital Devices PCIe bridge driver
+ * ddbridge-core.c: Digital Devices bridge core functions
+ *
+ * Copyright (C) 2010-2017 Digital Devices GmbH
+ *                         Marcus Metzler <[email protected]>
+ *                         Ralph Metzler <[email protected]>
  *
- * Copyright (C) 2010-2011 Digital Devices GmbH
  *
  * This program is free software; you can redistribute it and/or
  * modify it under the terms of the GNU General Public License

@@ -17,8 +20,6 @@
  * http://www.gnu.org/copyleft/gpl.html
  */
 
-#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
-
 #include <linux/module.h>
 #include <linux/init.h>
 #include <linux/interrupt.h>

@@ -49,77 +50,290 @@
 #include "stv0910.h"
 #include "stv6111.h"
 #include "lnbh25.h"
+#include "cxd2099.h"
+
+/****************************************************************************/
+
+#define DDB_MAX_ADAPTER 64
 
 DVB_DEFINE_MOD_OPT_ADAPTER_NR(adapter_nr);
 
-/******************************************************************************/
-/******************************************************************************/
-/******************************************************************************/
+DEFINE_MUTEX(redirect_lock);
+
+static struct ddb *ddbs[DDB_MAX_ADAPTER];
+
+/****************************************************************************/
+/****************************************************************************/
+/****************************************************************************/
+
+static struct ddb_regset octopus_input = {
+	.base = 0x200,
+	.num  = 0x08,
+	.size = 0x10,
+};
+
+static struct ddb_regset octopus_output = {
+	.base = 0x280,
+	.num  = 0x08,
+	.size = 0x10,
+};
+
+static struct ddb_regset octopus_idma = {
+	.base = 0x300,
+	.num  = 0x08,
+	.size = 0x10,
+};
+
+static struct ddb_regset octopus_idma_buf = {
+	.base = 0x2000,
+	.num  = 0x08,
+	.size = 0x100,
+};
+
+static struct ddb_regset octopus_odma = {
+	.base = 0x380,
+	.num  = 0x04,
+	.size = 0x10,
+};
+
+static struct ddb_regset octopus_odma_buf = {
+	.base = 0x2800,
+	.num  = 0x04,
+	.size = 0x100,
+};
+
+static struct ddb_regset octopus_i2c = {
+	.base = 0x80,
+	.num  = 0x04,
+	.size = 0x20,
+};
+
+static struct ddb_regset octopus_i2c_buf = {
+	.base = 0x1000,
+	.num  = 0x04,
+	.size = 0x200,
+};
+
+/****************************************************************************/
+
+struct ddb_regmap octopus_map = {
+	.irq_base_i2c = 0,
+	.irq_base_idma = 8,
+	.irq_base_odma = 16,
+	.i2c = &octopus_i2c,
+	.i2c_buf = &octopus_i2c_buf,
+	.idma = &octopus_idma,
+	.idma_buf = &octopus_idma_buf,
+	.odma = &octopus_odma,
+	.odma_buf = &octopus_odma_buf,
+	.input = &octopus_input,
+	.output = &octopus_output,
+};
+
+/****************************************************************************/
+/****************************************************************************/
+/****************************************************************************/
 
-#if 0
-static void set_table(struct ddb *dev, u32 off,
-		      dma_addr_t *pbuf, u32 num)
+static void ddb_set_dma_table(struct ddb_io *io)
 {
-	u32 i, base;
+	struct ddb *dev = io->port->dev;
+	struct ddb_dma *dma = io->dma;
+	u32 i;
 	u64 mem;
 
-	base = DMA_BASE_ADDRESS_TABLE + off;
-	for (i = 0; i < num; i++) {
-		mem = pbuf[i];
-		ddbwritel(mem & 0xffffffff, base + i * 8);
-		ddbwritel(mem >> 32, base + i * 8 + 4);
+	if (!dma)
+		return;
+	for (i = 0; i < dma->num; i++) {
+		mem = dma->pbuf[i];
+		ddbwritel(dev, mem & 0xffffffff, dma->bufregs + i * 8);
+		ddbwritel(dev, mem >> 32, dma->bufregs + i * 8 + 4);
 	}
+	dma->bufval = ((dma->div & 0x0f) << 16) |
+		((dma->num & 0x1f) << 11) |
+		((dma->size >> 7) & 0x7ff);
 }
-#endif
 
-static void ddb_address_table(struct ddb *dev)
+static void ddb_set_dma_tables(struct ddb *dev)
+{
+	u32 i;
+
+	for (i = 0; i < DDB_MAX_PORT; i++) {
+		if (dev->port[i].input[0])
+			ddb_set_dma_table(dev->port[i].input[0]);
+		if (dev->port[i].input[1])
+			ddb_set_dma_table(dev->port[i].input[1]);
+		if (dev->port[i].output)
+			ddb_set_dma_table(dev->port[i].output);
+	}
+}
+
+
+/****************************************************************************/
+/****************************************************************************/
+/****************************************************************************/
+
+static void ddb_redirect_dma(struct ddb *dev,
+			     struct ddb_dma *sdma,
+			     struct ddb_dma *ddma)
 {
-	u32 i, j, base;
+	u32 i, base;
 	u64 mem;
-	dma_addr_t *pbuf;
-
-	for (i = 0; i < dev->info->port_num * 2; i++) {
-		base = DMA_BASE_ADDRESS_TABLE + i * 0x100;
-		pbuf = dev->input[i].pbuf;
-		for (j = 0; j < dev->input[i].dma_buf_num; j++) {
-			mem = pbuf[j];
-			ddbwritel(mem & 0xffffffff, base + j * 8);
-			ddbwritel(mem >> 32, base + j * 8 + 4);
-		}
+
+	sdma->bufval = ddma->bufval;
+	base = sdma->bufregs;
+	for (i = 0; i < ddma->num; i++) {
+		mem = ddma->pbuf[i];
+		ddbwritel(dev, mem & 0xffffffff, base + i * 8);
+		ddbwritel(dev, mem >> 32, base + i * 8 + 4);
+	}
+}
+
+static int ddb_unredirect(struct ddb_port *port)
+{
+	struct ddb_input *oredi, *iredi = 0;
+	struct ddb_output *iredo = 0;
+
+	/* dev_info(port->dev->dev,
+	 * "unredirect %d.%d\n", port->dev->nr, port->nr);
+	 */
+	mutex_lock(&redirect_lock);
+	if (port->output->dma->running) {
+		mutex_unlock(&redirect_lock);
+		return -EBUSY;
 	}
-	for (i = 0; i < dev->info->port_num; i++) {
-		base = DMA_BASE_ADDRESS_TABLE + 0x800 + i * 0x100;
-		pbuf = dev->output[i].pbuf;
-		for (j = 0; j < dev->output[i].dma_buf_num; j++) {
-			mem = pbuf[j];
-			ddbwritel(mem & 0xffffffff, base + j * 8);
-			ddbwritel(mem >> 32, base + j * 8 + 4);
+	oredi = port->output->redi;
+	if (!oredi)
+		goto done;
+	if (port->input[0]) {
+		iredi = port->input[0]->redi;
+		iredo = port->input[0]->redo;
+
+		if (iredo) {
+			iredo->port->output->redi = oredi;
+			if (iredo->port->input[0]) {
+				iredo->port->input[0]->redi = iredi;
+				ddb_redirect_dma(oredi->port->dev,
+						 oredi->dma, iredo->dma);
+			}
+			port->input[0]->redo = 0;
+			ddb_set_dma_table(port->input[0]);
 		}
+		oredi->redi = iredi;
+		port->input[0]->redi = 0;
+	}
+	oredi->redo = 0;
+	port->output->redi = 0;
+
+	ddb_set_dma_table(oredi);
+done:
+	mutex_unlock(&redirect_lock);
+	return 0;
+}
+
+static int ddb_redirect(u32 i, u32 p)
+{
+	struct ddb *idev = ddbs[(i >> 4) & 0x3f];
+	struct ddb_input *input, *input2;
+	struct ddb *pdev = ddbs[(p >> 4) & 0x3f];
+	struct ddb_port *port;
+
+	if (!idev->has_dma || !pdev->has_dma)
+		return -EINVAL;
+	if (!idev || !pdev)
+		return -EINVAL;
+
+	port = &pdev->port[p & 0x0f];
+	if (!port->output)
+		return -EINVAL;
+	if (ddb_unredirect(port))
+		return -EBUSY;
+
+	if (i == 8)
+		return 0;
+
+	input = &idev->input[i & 7];
+	if (!input)
+		return -EINVAL;
+
+	mutex_lock(&redirect_lock);
+	if (port->output->dma->running || input->dma->running) {
+		mutex_unlock(&redirect_lock);
+		return -EBUSY;
+	}
+	input2 = port->input[0];
+	if (input2) {
+		if (input->redi) {
+			input2->redi = input->redi;
+			input->redi = 0;
+		} else
+			input2->redi = input;
 	}
+	input->redo = port->output;
+	port->output->redi = input;
+
+	ddb_redirect_dma(input->port->dev, input->dma, port->output->dma);
+	mutex_unlock(&redirect_lock);
+	return 0;
 }
 
-static void io_free(struct pci_dev *pdev, u8 **vbuf,
-		    dma_addr_t *pbuf, u32 size, int num)
+/****************************************************************************/
+/****************************************************************************/
+/****************************************************************************/
+
+static void dma_free(struct pci_dev *pdev, struct ddb_dma *dma, int dir)
 {
 	int i;
 
-	for (i = 0; i < num; i++) {
-		if (vbuf[i]) {
-			pci_free_consistent(pdev, size, vbuf[i], pbuf[i]);
-			vbuf[i] = NULL;
+	if (!dma)
+		return;
+	for (i = 0; i < dma->num; i++) {
+		if (dma->vbuf[i]) {
+			if (alt_dma) {
+				dma_unmap_single(&pdev->dev, dma->pbuf[i],
+						 dma->size,
+						 dir ? DMA_TO_DEVICE :
+						 DMA_FROM_DEVICE);
+				kfree(dma->vbuf[i]);
+				dma->vbuf[i] = NULL;
+			} else {
+				dma_free_coherent(&pdev->dev, dma->size,
+						  dma->vbuf[i], dma->pbuf[i]);
+			}
+
+			dma->vbuf[i] = NULL;
 		}
 	}
 }
 
-static int io_alloc(struct pci_dev *pdev, u8 **vbuf,
-		    dma_addr_t *pbuf, u32 size, int num)
+static int dma_alloc(struct pci_dev *pdev, struct ddb_dma *dma, int dir)
 {
 	int i;
 
-	for (i = 0; i < num; i++) {
-		vbuf[i] = pci_alloc_consistent(pdev, size, &pbuf[i]);
-		if (!vbuf[i])
-			return -ENOMEM;
+	if (!dma)
+		return 0;
+	for (i = 0; i < dma->num; i++) {
+		if (alt_dma) {
+			dma->vbuf[i] = kmalloc(dma->size, __GFP_RETRY_MAYFAIL);
+			if (!dma->vbuf[i])
+				return -ENOMEM;
+			dma->pbuf[i] = dma_map_single(&pdev->dev,
+						      dma->vbuf[i],
+						      dma->size,
+						      dir ? DMA_TO_DEVICE :
+						      DMA_FROM_DEVICE);
+			if (dma_mapping_error(&pdev->dev, dma->pbuf[i])) {
+				kfree(dma->vbuf[i]);
+				dma->vbuf[i] = NULL;
+				return -ENOMEM;
+			}
+		} else {
+			dma->vbuf[i] = dma_alloc_coherent(&pdev->dev,
+							  dma->size,
+							  &dma->pbuf[i],
+							  GFP_KERNEL);
+			if (!dma->vbuf[i])
+				return -ENOMEM;
+		}
 	}
 	return 0;
 }

@@ -129,38 +343,35 @@ int ddb_buffers_alloc(struct ddb *dev)
 	int i;
 	struct ddb_port *port;
 
-	for (i = 0; i < dev->info->port_num; i++) {
+	for (i = 0; i < dev->port_num; i++) {
 		port = &dev->port[i];
 		switch (port->class) {
 		case DDB_PORT_TUNER:
-			if (io_alloc(dev->pdev, port->input[0]->vbuf,
-				     port->input[0]->pbuf,
-				     port->input[0]->dma_buf_size,
-				     port->input[0]->dma_buf_num) < 0)
-				return -1;
-			if (io_alloc(dev->pdev, port->input[1]->vbuf,
-				     port->input[1]->pbuf,
-				     port->input[1]->dma_buf_size,
-				     port->input[1]->dma_buf_num) < 0)
-				return -1;
+			if (port->input[0]->dma)
+				if (dma_alloc(dev->pdev, port->input[0]->dma, 0)
+					< 0)
+					return -1;
+			if (port->input[1]->dma)
+				if (dma_alloc(dev->pdev, port->input[1]->dma, 0)
+					< 0)
+					return -1;
 			break;
 		case DDB_PORT_CI:
-			if (io_alloc(dev->pdev, port->input[0]->vbuf,
-				     port->input[0]->pbuf,
-				     port->input[0]->dma_buf_size,
-				     port->input[0]->dma_buf_num) < 0)
-				return -1;
-			if (io_alloc(dev->pdev, port->output->vbuf,
-				     port->output->pbuf,
-				     port->output->dma_buf_size,
-				     port->output->dma_buf_num) < 0)
-				return -1;
+		case DDB_PORT_LOOP:
+			if (port->input[0]->dma)
+				if (dma_alloc(dev->pdev, port->input[0]->dma, 0)
+					< 0)
+					return -1;
+			if (port->output->dma)
+				if (dma_alloc(dev->pdev, port->output->dma, 1)
+					< 0)
+					return -1;
 			break;
 		default:
 			break;
 		}
 	}
-	ddb_address_table(dev);
+	ddb_set_dma_tables(dev);
 	return 0;
 }
 

@@ -169,111 +380,233 @@ void ddb_buffers_free(struct ddb *dev)
 	int i;
 	struct ddb_port *port;
 
-	for (i = 0; i < dev->info->port_num; i++) {
+	for (i = 0; i < dev->port_num; i++) {
 		port = &dev->port[i];
-		io_free(dev->pdev, port->input[0]->vbuf,
-			port->input[0]->pbuf,
-			port->input[0]->dma_buf_size,
-			port->input[0]->dma_buf_num);
-		io_free(dev->pdev, port->input[1]->vbuf,
-			port->input[1]->pbuf,
-			port->input[1]->dma_buf_size,
-			port->input[1]->dma_buf_num);
-		io_free(dev->pdev, port->output->vbuf,
-			port->output->pbuf,
-			port->output->dma_buf_size,
-			port->output->dma_buf_num);
+
+		if (port->input[0] && port->input[0]->dma)
+			dma_free(dev->pdev, port->input[0]->dma, 0);
+		if (port->input[1] && port->input[1]->dma)
+			dma_free(dev->pdev, port->input[1]->dma, 0);
+		if (port->output && port->output->dma)
+			dma_free(dev->pdev, port->output->dma, 1);
+	}
+}
+
+static void calc_con(struct ddb_output *output, u32 *con, u32 *con2, u32 flags)
+{
+	struct ddb *dev = output->port->dev;
+	u32 bitrate = output->port->obr, max_bitrate = 72000;
+	u32 gap = 4, nco = 0;
+
+	*con = 0x1c;
+	if (output->port->gap != 0xffffffff) {
+		flags |= 1;
+		gap = output->port->gap;
+	}
+	if (dev->link[0].info->type == DDB_OCTOPUS_CI && output->port->nr > 1) {
+		*con = 0x10c;
+		if (dev->link[0].ids.regmapid >= 0x10003 && !(flags & 1)) {
+			if (!(flags & 2)) {
+				/* NCO */
+				max_bitrate = 0;
+				gap = 0;
+				if (bitrate != 72000) {
+					if (bitrate >= 96000)
+						*con |= 0x800;
+					else {
+						*con |= 0x1000;
+						nco = (bitrate * 8192 + 71999)
+							/ 72000;
+					}
+				}
+			} else {
+				/* Divider and gap */
+				*con |= 0x1810;
+				if (bitrate <= 64000) {
+					max_bitrate = 64000;
+					nco = 8;
+				} else if (bitrate <= 72000) {
+					max_bitrate = 72000;
+					nco = 7;
+				} else {
+					max_bitrate = 96000;
+					nco = 5;
+				}
+			}
+		} else {
+			if (bitrate > 72000) {
+				*con |= 0x810; /* 96 MBit/s and gap */
+				max_bitrate = 96000;
+			}
+		}
+	}
+	if (max_bitrate > 0) {
+		if (bitrate > max_bitrate)
+			bitrate = max_bitrate;
+		if (bitrate < 31000)
+			bitrate = 31000;
+		gap = ((max_bitrate - bitrate) * 94) / bitrate;
+		if (gap < 2)
+			*con &= ~0x10; /* Disable gap */
+		else
+			gap -= 2;
+		if (gap > 127)
+			gap = 127;
 	}
+
+	*con2 = (nco << 16) | gap;
 }
 
 static void ddb_output_start(struct ddb_output *output)
 {
 	struct ddb *dev = output->port->dev;
+	u32 con = 0x11c, con2 = 0;
+
+	if (output->dma) {
+		spin_lock_irq(&output->dma->lock);
+		output->dma->cbuf = 0;
+		output->dma->coff = 0;
+		output->dma->stat = 0;
+		ddbwritel(dev, 0, DMA_BUFFER_CONTROL(output->dma));
+	}
+
+	if (output->port->input[0]->port->class == DDB_PORT_LOOP)
+		con = (1UL << 13) | 0x14;
+	else
+		calc_con(output, &con, &con2, 0);
+
+	ddbwritel(dev, 0, TS_CONTROL(output));
+	ddbwritel(dev, 2, TS_CONTROL(output));
+	ddbwritel(dev, 0, TS_CONTROL(output));
+	ddbwritel(dev, con, TS_CONTROL(output));
+	ddbwritel(dev, con2, TS_CONTROL2(output));
+
+	if (output->dma) {
+		ddbwritel(dev, output->dma->bufval,
+			  DMA_BUFFER_SIZE(output->dma));
+		ddbwritel(dev, 0, DMA_BUFFER_ACK(output->dma));
+		ddbwritel(dev, 1, DMA_BASE_READ);
+		ddbwritel(dev, 7, DMA_BUFFER_CONTROL(output->dma));
+	}
 
-	spin_lock_irq(&output->lock);
-	output->cbuf = 0;
-	output->coff = 0;
-	ddbwritel(0, TS_OUTPUT_CONTROL(output->nr));
-	ddbwritel(2, TS_OUTPUT_CONTROL(output->nr));
-	ddbwritel(0, TS_OUTPUT_CONTROL(output->nr));
-	ddbwritel(0x3c, TS_OUTPUT_CONTROL(output->nr));
-	ddbwritel((1 << 16) |
-		  (output->dma_buf_num << 11) |
-		  (output->dma_buf_size >> 7),
-		  DMA_BUFFER_SIZE(output->nr + 8));
-	ddbwritel(0, DMA_BUFFER_ACK(output->nr + 8));
-
-	ddbwritel(1, DMA_BASE_READ);
-	ddbwritel(3, DMA_BUFFER_CONTROL(output->nr + 8));
-	/* ddbwritel(0xbd, TS_OUTPUT_CONTROL(output->nr)); */
-	ddbwritel(0x1d, TS_OUTPUT_CONTROL(output->nr));
-	output->running = 1;
-	spin_unlock_irq(&output->lock);
+	ddbwritel(dev, con | 1, TS_CONTROL(output));
+
+	if (output->dma) {
+		output->dma->running = 1;
+		spin_unlock_irq(&output->dma->lock);
+	}
 }
 
 static void ddb_output_stop(struct ddb_output *output)
 {
 	struct ddb *dev = output->port->dev;
 
-	spin_lock_irq(&output->lock);
-	ddbwritel(0, TS_OUTPUT_CONTROL(output->nr));
-	ddbwritel(0, DMA_BUFFER_CONTROL(output->nr + 8));
-	output->running = 0;
-	spin_unlock_irq(&output->lock);
+	if (output->dma)
+		spin_lock_irq(&output->dma->lock);
+
+	ddbwritel(dev, 0, TS_CONTROL(output));
+
+	if (output->dma) {
+		ddbwritel(dev, 0, DMA_BUFFER_CONTROL(output->dma));
+		output->dma->running = 0;
+		spin_unlock_irq(&output->dma->lock);
+	}
 }
 
 static void ddb_input_stop(struct ddb_input *input)
 {
 	struct ddb *dev = input->port->dev;
-
-	spin_lock_irq(&input->lock);
-	ddbwritel(0, TS_INPUT_CONTROL(input->nr));
-	ddbwritel(0, DMA_BUFFER_CONTROL(input->nr));
-	input->running = 0;
-	spin_unlock_irq(&input->lock);
+	u32 tag = DDB_LINK_TAG(input->port->lnr);
+
+	if (input->dma)
+		spin_lock_irq(&input->dma->lock);
+	ddbwritel(dev, 0, tag | TS_CONTROL(input));
+	if (input->dma) {
+		ddbwritel(dev, 0, DMA_BUFFER_CONTROL(input->dma));
+		input->dma->running = 0;
+		spin_unlock_irq(&input->dma->lock);
+	}
 }
 
 static void ddb_input_start(struct ddb_input *input)
 {
 	struct ddb *dev = input->port->dev;
 
-	spin_lock_irq(&input->lock);
-	input->cbuf = 0;
-	input->coff = 0;
+	if (input->dma) {
+		spin_lock_irq(&input->dma->lock);
+		input->dma->cbuf = 0;
+		input->dma->coff = 0;
+		input->dma->stat = 0;
+		ddbwritel(dev, 0, DMA_BUFFER_CONTROL(input->dma));
+	}
+	ddbwritel(dev, 0, TS_CONTROL(input));
+	ddbwritel(dev, 2, TS_CONTROL(input));
+	ddbwritel(dev, 0, TS_CONTROL(input));
+
+	if (input->dma) {
+		ddbwritel(dev, input->dma->bufval,
+			  DMA_BUFFER_SIZE(input->dma));
+		ddbwritel(dev, 0, DMA_BUFFER_ACK(input->dma));
+		ddbwritel(dev, 1, DMA_BASE_WRITE);
+		ddbwritel(dev, 3, DMA_BUFFER_CONTROL(input->dma));
+	}
+
+	ddbwritel(dev, 0x09, TS_CONTROL(input));
+
+	if (input->dma) {
+		input->dma->running = 1;
+		spin_unlock_irq(&input->dma->lock);
+	}
+}
+
+
+static void ddb_input_start_all(struct ddb_input *input)
+{
+	struct ddb_input *i = input;
+	struct ddb_output *o;
 
-	/* reset */
-	ddbwritel(0, TS_INPUT_CONTROL(input->nr));
-	ddbwritel(2, TS_INPUT_CONTROL(input->nr));
-	ddbwritel(0, TS_INPUT_CONTROL(input->nr));
+	mutex_lock(&redirect_lock);
+	while (i && (o = i->redo)) {
+		ddb_output_start(o);
+		i = o->port->input[0];
+		if (i)
+			ddb_input_start(i);
+	}
+	ddb_input_start(input);
+	mutex_unlock(&redirect_lock);
+}
 
-	ddbwritel((1 << 16) |
-		  (input->dma_buf_num << 11) |
-		  (input->dma_buf_size >> 7),
-		  DMA_BUFFER_SIZE(input->nr));
-	ddbwritel(0, DMA_BUFFER_ACK(input->nr));
+static void ddb_input_stop_all(struct ddb_input *input)
+{
+	struct ddb_input *i = input;
+	struct ddb_output *o;
 
-	ddbwritel(1, DMA_BASE_WRITE);
-	ddbwritel(3, DMA_BUFFER_CONTROL(input->nr));
-	ddbwritel(9, TS_INPUT_CONTROL(input->nr));
-	input->running = 1;
-	spin_unlock_irq(&input->lock);
+	mutex_lock(&redirect_lock);
+	ddb_input_stop(input);
+	while (i && (o = i->redo)) {
+		ddb_output_stop(o);
+		i = o->port->input[0];
+		if (i)
+			ddb_input_stop(i);
+	}
+	mutex_unlock(&redirect_lock);
 }
 
 static u32 ddb_output_free(struct ddb_output *output)
 {
-	u32 idx, off, stat = output->stat;
+	u32 idx, off, stat = output->dma->stat;
 	s32 diff;
 
 	idx = (stat >> 11) & 0x1f;
 	off = (stat & 0x7ff) << 7;
 
-	if (output->cbuf != idx) {
-		if ((((output->cbuf + 1) % output->dma_buf_num) == idx) &&
-		    (output->dma_buf_size - output->coff <= 188))
+	if (output->dma->cbuf != idx) {
+		if ((((output->dma->cbuf + 1) % output->dma->num) == idx) &&
+		    (output->dma->size - output->dma->coff <= 188))
 			return 0;
 		return 188;
 	}
-	diff = off - output->coff;
+	diff = off - output->dma->coff;
 	if (diff <= 0 || diff > 188)
 		return 188;
 	return 0;

@@ -283,46 +616,51 @@ static ssize_t ddb_output_write(struct ddb_output *output,
 				const __user u8 *buf, size_t count)
 {
 	struct ddb *dev = output->port->dev;
-	u32 idx, off, stat = output->stat;
+	u32 idx, off, stat = output->dma->stat;
 	u32 left = count, len;
 
 	idx = (stat >> 11) & 0x1f;
 	off = (stat & 0x7ff) << 7;
 
 	while (left) {
-		len = output->dma_buf_size - output->coff;
-		if ((((output->cbuf + 1) % output->dma_buf_num) == idx) &&
+		len = output->dma->size - output->dma->coff;
+		if ((((output->dma->cbuf + 1) % output->dma->num) == idx) &&
 		    (off == 0)) {
 			if (len <= 188)
 				break;
 			len -= 188;
 		}
-		if (output->cbuf == idx) {
-			if (off > output->coff) {
-#if 1
-				len = off - output->coff;
+		if (output->dma->cbuf == idx) {
+			if (off > output->dma->coff) {
+				len = off - output->dma->coff;
 				len -= (len % 188);
 				if (len <= 188)
-
-#endif
 					break;
 				len -= 188;
 			}
 		}
 		if (len > left)
 			len = left;
-		if (copy_from_user(output->vbuf[output->cbuf] + output->coff,
+		if (copy_from_user(output->dma->vbuf[output->dma->cbuf] +
+				   output->dma->coff,
 				   buf, len))
 			return -EIO;
+		if (alt_dma)
+			dma_sync_single_for_device(dev->dev,
+				output->dma->pbuf[output->dma->cbuf],
+				output->dma->size, DMA_TO_DEVICE);
 		left -= len;
 		buf += len;
-		output->coff += len;
-		if (output->coff == output->dma_buf_size) {
-			output->coff = 0;
-			output->cbuf = ((output->cbuf + 1) % output->dma_buf_num);
+		output->dma->coff += len;
+		if (output->dma->coff == output->dma->size) {
+			output->dma->coff = 0;
+			output->dma->cbuf = ((output->dma->cbuf + 1) %
+					     output->dma->num);
 		}
-		ddbwritel((output->cbuf << 11) | (output->coff >> 7),
-			  DMA_BUFFER_ACK(output->nr + 8));
+		ddbwritel(dev,
+			  (output->dma->cbuf << 11) |
+			  (output->dma->coff >> 7),
+			  DMA_BUFFER_ACK(output->dma));
 	}
 	return count - left;
 }

@@ -330,49 +668,57 @@ static ssize_t ddb_output_write(struct ddb_output *output,
 static u32 ddb_input_avail(struct ddb_input *input)
 {
 	struct ddb *dev = input->port->dev;
-	u32 idx, off, stat = input->stat;
-	u32 ctrl = ddbreadl(DMA_BUFFER_CONTROL(input->nr));
+	u32 idx, off, stat = input->dma->stat;
+	u32 ctrl = ddbreadl(dev, DMA_BUFFER_CONTROL(input->dma));
 
 	idx = (stat >> 11) & 0x1f;
 	off = (stat & 0x7ff) << 7;
 
 	if (ctrl & 4) {
-		dev_err(&dev->pdev->dev, "IA %d %d %08x\n", idx, off, ctrl);
-		ddbwritel(input->stat, DMA_BUFFER_ACK(input->nr));
+		dev_err(dev->dev, "IA %d %d %08x\n", idx, off, ctrl);
+		ddbwritel(dev, stat, DMA_BUFFER_ACK(input->dma));
 		return 0;
 	}
-	if (input->cbuf != idx)
+	if (input->dma->cbuf != idx)
 		return 188;
 	return 0;
 }
 
-static ssize_t ddb_input_read(struct ddb_input *input, __user u8 *buf, size_t count)
+static ssize_t ddb_input_read(struct ddb_input *input,
+		__user u8 *buf, size_t count)
 {
 	struct ddb *dev = input->port->dev;
 	u32 left = count;
-	u32 idx, free, stat = input->stat;
+	u32 idx, free, stat = input->dma->stat;
 	int ret;
 
 	idx = (stat >> 11) & 0x1f;
 
 	while (left) {
-		if (input->cbuf == idx)
+		if (input->dma->cbuf == idx)
 			return count - left;
-		free = input->dma_buf_size - input->coff;
+		free = input->dma->size - input->dma->coff;
 		if (free > left)
 			free = left;
-		ret = copy_to_user(buf, input->vbuf[input->cbuf] +
-				   input->coff, free);
+		if (alt_dma)
+			dma_sync_single_for_cpu(dev->dev,
+				input->dma->pbuf[input->dma->cbuf],
+				input->dma->size, DMA_FROM_DEVICE);
+		ret = copy_to_user(buf, input->dma->vbuf[input->dma->cbuf] +
+				   input->dma->coff, free);
 		if (ret)
 			return -EFAULT;
-		input->coff += free;
-		if (input->coff == input->dma_buf_size) {
-			input->coff = 0;
-			input->cbuf = (input->cbuf+1) % input->dma_buf_num;
+		input->dma->coff += free;
+		if (input->dma->coff == input->dma->size) {
+			input->dma->coff = 0;
+			input->dma->cbuf = (input->dma->cbuf + 1) %
+				input->dma->num;
 		}
 		left -= free;
-		ddbwritel((input->cbuf << 11) | (input->coff >> 7),
-			  DMA_BUFFER_ACK(input->nr));
+		buf += free;
+		ddbwritel(dev,
+			  (input->dma->cbuf << 11) | (input->dma->coff >> 7),
+			  DMA_BUFFER_ACK(input->dma));
 	}
 	return count;
 }

@@ -385,20 +731,24 @@ static ssize_t ts_write(struct file *file, const __user char *buf,
 {
 	struct dvb_device *dvbdev = file->private_data;
 	struct ddb_output *output = dvbdev->priv;
+	struct ddb *dev = output->port->dev;
 	size_t left = count;
 	int stat;
 
+	if (!dev->has_dma)
+		return -EINVAL;
 	while (left) {
 		if (ddb_output_free(output) < 188) {
 			if (file->f_flags & O_NONBLOCK)
 				break;
 			if (wait_event_interruptible(
-				    output->wq, ddb_output_free(output) >= 188) < 0)
+				    output->dma->wq,
+				    ddb_output_free(output) >= 188) < 0)
 				break;
 		}
 		stat = ddb_output_write(output, buf, left);
 		if (stat < 0)
-			break;
+			return stat;
 		buf += stat;
 		left -= stat;
 	}

@@ -411,91 +761,126 @@ static ssize_t ts_read(struct file *file, __user char *buf,
 	struct dvb_device *dvbdev = file->private_data;
 	struct ddb_output *output = dvbdev->priv;
 	struct ddb_input *input = output->port->input[0];
-	int left, read;
+	struct ddb *dev = output->port->dev;
+	size_t left = count;
+	int stat;
 
-	count -= count % 188;
-	left = count;
+	if (!dev->has_dma)
+		return -EINVAL;
 	while (left) {
 		if (ddb_input_avail(input) < 188) {
 			if (file->f_flags & O_NONBLOCK)
 				break;
 			if (wait_event_interruptible(
-				    input->wq, ddb_input_avail(input) >= 188) < 0)
+				    input->dma->wq,
+				    ddb_input_avail(input) >= 188) < 0)
 				break;
 		}
-		read = ddb_input_read(input, buf, left);
-		if (read < 0)
-			return read;
-		left -= read;
-		buf += read;
+		stat = ddb_input_read(input, buf, left);
+		if (stat < 0)
+			return stat;
+		left -= stat;
+		buf += stat;
 	}
-	return (left == count) ? -EAGAIN : (count - left);
+	return (count && (left == count)) ? -EAGAIN : (count - left);
 }
 
 static unsigned int ts_poll(struct file *file, poll_table *wait)
 {
-	/*
 	struct dvb_device *dvbdev = file->private_data;
 	struct ddb_output *output = dvbdev->priv;
 	struct ddb_input *input = output->port->input[0];
-	*/
+
 	unsigned int mask = 0;
 
-#if 0
-	if (data_avail_to_read)
+	poll_wait(file, &input->dma->wq, wait);
+	poll_wait(file, &output->dma->wq, wait);
+	if (ddb_input_avail(input) >= 188)
 		mask |= POLLIN | POLLRDNORM;
-	if (data_avail_to_write)
+	if (ddb_output_free(output) >= 188)
 		mask |= POLLOUT | POLLWRNORM;
-
-	poll_wait(file, &read_queue, wait);
-	poll_wait(file, &write_queue, wait);
-#endif
 	return mask;
 }
 
+static int ts_release(struct inode *inode, struct file *file)
+{
+	struct dvb_device *dvbdev = file->private_data;
+	struct ddb_output *output = dvbdev->priv;
+	struct ddb_input *input = output->port->input[0];
+
+	if ((file->f_flags & O_ACCMODE) == O_RDONLY) {
+		if (!input)
+			return -EINVAL;
+		ddb_input_stop(input);
+	} else if ((file->f_flags & O_ACCMODE) == O_WRONLY) {
+		if (!output)
+			return -EINVAL;
+		ddb_output_stop(output);
+	}
+	return dvb_generic_release(inode, file);
+}
+
+static int ts_open(struct inode *inode, struct file *file)
+{
+	int err;
+	struct dvb_device *dvbdev = file->private_data;
+	struct ddb_output *output = dvbdev->priv;
+	struct ddb_input *input = output->port->input[0];
+
+	if ((file->f_flags & O_ACCMODE) == O_RDONLY) {
+		if (!input)
+			return -EINVAL;
+		if (input->redo || input->redi)
+			return -EBUSY;
+	} else if ((file->f_flags & O_ACCMODE) == O_WRONLY) {
+		if (!output)
+			return -EINVAL;
+	} else
+		return -EINVAL;
+	err = dvb_generic_open(inode, file);
+	if (err < 0)
+		return err;
+	if ((file->f_flags & O_ACCMODE) == O_RDONLY)
+		ddb_input_start(input);
+	else if ((file->f_flags & O_ACCMODE) == O_WRONLY)
+		ddb_output_start(output);
+	return err;
+}
+
 static const struct file_operations ci_fops = {
 	.owner   = THIS_MODULE,
 	.read    = ts_read,
 	.write   = ts_write,
-	.open    = dvb_generic_open,
-	.release = dvb_generic_release,
+	.open    = ts_open,
+	.release = ts_release,
 	.poll    = ts_poll,
+	.mmap    = 0,
 };
 
 static struct dvb_device dvbdev_ci = {
-	.readers = -1,
-	.writers = -1,
-	.users   = -1,
+	.priv    = 0,
+	.readers = 1,
+	.writers = 1,
+	.users   = 2,
 	.fops    = &ci_fops,
 };
 
-/******************************************************************************/
-/******************************************************************************/
-
-#if 0
-static struct ddb_input *fe2input(struct ddb *dev, struct dvb_frontend *fe)
-{
-	int i;
 
-	for (i = 0; i < dev->info->port_num * 2; i++) {
-		if (dev->input[i].fe == fe)
-			return &dev->input[i];
-	}
-	return NULL;
-}
-#endif
+/****************************************************************************/
+/****************************************************************************/
 
-static int drxk_gate_ctrl(struct dvb_frontend *fe, int enable)
+static int locked_gate_ctrl(struct dvb_frontend *fe, int enable)
 {
 	struct ddb_input *input = fe->sec_priv;
 	struct ddb_port *port = input->port;
+	struct ddb_dvb *dvb = &port->dvb[input->nr & 1];
 	int status;
 
 	if (enable) {
 		mutex_lock(&port->i2c_gate_lock);
-		status = input->gate_ctrl(fe, 1);
+		status = dvb->i2c_gate_ctrl(fe, 1);
 	} else {
-		status = input->gate_ctrl(fe, 0);
+		status = dvb->i2c_gate_ctrl(fe, 0);
 		mutex_unlock(&port->i2c_gate_lock);
 	}
 	return status;

@@ -504,41 +889,42 @@ static int drxk_gate_ctrl(struct dvb_frontend *fe, int enable)
 static int demod_attach_drxk(struct ddb_input *input)
 {
 	struct i2c_adapter *i2c = &input->port->i2c->adap;
+	struct ddb_dvb *dvb = &input->port->dvb[input->nr & 1];
+	struct device *dev = input->port->dev->dev;
 	struct dvb_frontend *fe;
 	struct drxk_config config;
-	struct device *dev = &input->port->dev->pdev->dev;
 
 	memset(&config, 0, sizeof(config));
-	config.microcode_name = "drxk_a3.mc";
-	config.qam_demod_parameter_count = 4;
 	config.adr = 0x29 + (input->nr & 1);
+	config.microcode_name = "drxk_a3.mc";
 
-	fe = input->fe = dvb_attach(drxk_attach, &config, i2c);
-	if (!input->fe) {
+	fe = dvb->fe = dvb_attach(drxk_attach, &config, i2c);
+	if (!fe) {
 		dev_err(dev, "No DRXK found!\n");
 		return -ENODEV;
 	}
 	fe->sec_priv = input;
-	input->gate_ctrl = fe->ops.i2c_gate_ctrl;
-	fe->ops.i2c_gate_ctrl = drxk_gate_ctrl;
+	dvb->i2c_gate_ctrl = fe->ops.i2c_gate_ctrl;
+	fe->ops.i2c_gate_ctrl = locked_gate_ctrl;
 	return 0;
 }
 
 static int tuner_attach_tda18271(struct ddb_input *input)
 {
 	struct i2c_adapter *i2c = &input->port->i2c->adap;
+	struct ddb_dvb *dvb = &input->port->dvb[input->nr & 1];
+	struct device *dev = input->port->dev->dev;
 	struct dvb_frontend *fe;
-	struct device *dev = &input->port->dev->pdev->dev;
 
-	if (input->fe->ops.i2c_gate_ctrl)
-		input->fe->ops.i2c_gate_ctrl(input->fe, 1);
-	fe = dvb_attach(tda18271c2dd_attach, input->fe, i2c, 0x60);
+	if (dvb->fe->ops.i2c_gate_ctrl)
+		dvb->fe->ops.i2c_gate_ctrl(dvb->fe, 1);
+	fe = dvb_attach(tda18271c2dd_attach, dvb->fe, i2c, 0x60);
+	if (dvb->fe->ops.i2c_gate_ctrl)
+		dvb->fe->ops.i2c_gate_ctrl(dvb->fe, 0);
 	if (!fe) {
 		dev_err(dev, "No TDA18271 found!\n");
 		return -ENODEV;
 	}
-	if (input->fe->ops.i2c_gate_ctrl)
-		input->fe->ops.i2c_gate_ctrl(input->fe, 0);
 	return 0;
 }
 

@@ -567,43 +953,43 @@ static struct stv0367_config ddb_stv0367_config[] = {
 static int demod_attach_stv0367(struct ddb_input *input)
 {
 	struct i2c_adapter *i2c = &input->port->i2c->adap;
-	struct device *dev = &input->port->dev->pdev->dev;
+	struct ddb_dvb *dvb = &input->port->dvb[input->nr & 1];
+	struct device *dev = input->port->dev->dev;
+	struct dvb_frontend *fe;
 
 	/* attach frontend */
-	input->fe = dvb_attach(stv0367ddb_attach,
+	fe = dvb->fe = dvb_attach(stv0367ddb_attach,
 		&ddb_stv0367_config[(input->nr & 1)], i2c);
 
-	if (!input->fe) {
-		dev_err(dev, "stv0367ddb_attach failed (not found?)\n");
+	if (!dvb->fe) {
+		dev_err(dev, "No stv0367 found!\n");
 		return -ENODEV;
 	}
-
-	input->fe->sec_priv = input;
-	input->gate_ctrl = input->fe->ops.i2c_gate_ctrl;
-	input->fe->ops.i2c_gate_ctrl = drxk_gate_ctrl;
-
+	fe->sec_priv = input;
+	dvb->i2c_gate_ctrl = fe->ops.i2c_gate_ctrl;
+	fe->ops.i2c_gate_ctrl = locked_gate_ctrl;
 	return 0;
 }
 
 static int tuner_tda18212_ping(struct ddb_input *input, unsigned short adr)
 {
 	struct i2c_adapter *adapter = &input->port->i2c->adap;
-	struct device *dev = &input->port->dev->pdev->dev;
-
+	struct ddb_dvb *dvb = &input->port->dvb[input->nr & 1];
+	struct device *dev = input->port->dev->dev;
 	u8 tda_id[2];
 	u8 subaddr = 0x00;
 
 	dev_dbg(dev, "stv0367-tda18212 tuner ping\n");
-	if (input->fe->ops.i2c_gate_ctrl)
-		input->fe->ops.i2c_gate_ctrl(input->fe, 1);
+	if (dvb->fe->ops.i2c_gate_ctrl)
+		dvb->fe->ops.i2c_gate_ctrl(dvb->fe, 1);
 
 	if (i2c_read_regs(adapter, adr, subaddr, tda_id, sizeof(tda_id)) < 0)
 		dev_dbg(dev, "tda18212 ping 1 fail\n");
 	if (i2c_read_regs(adapter, adr, subaddr, tda_id, sizeof(tda_id)) < 0)
 		dev_warn(dev, "tda18212 ping failed, expect problems\n");
 
-	if (input->fe->ops.i2c_gate_ctrl)
-		input->fe->ops.i2c_gate_ctrl(input->fe, 0);
+	if (dvb->fe->ops.i2c_gate_ctrl)
+		dvb->fe->ops.i2c_gate_ctrl(dvb->fe, 0);
 
 	return 0;
 }

@@ -611,7 +997,9 @@ static int tuner_tda18212_ping(struct ddb_input *input, unsigned short adr)
 static int demod_attach_cxd28xx(struct ddb_input *input, int par, int osc24)
 {
 	struct i2c_adapter *i2c = &input->port->i2c->adap;
-	struct device *dev = &input->port->dev->pdev->dev;
+	struct ddb_dvb *dvb = &input->port->dvb[input->nr & 1];
+	struct device *dev = input->port->dev->dev;
+	struct dvb_frontend *fe;
 	struct cxd2841er_config cfg;
 
 	/* the cxd2841er driver expects 8bit/shifted I2C addresses */

@@ -626,27 +1014,26 @@ static int demod_attach_cxd28xx(struct ddb_input *input, int par, int osc24)
 		cfg.flags |= CXD2841ER_TS_SERIAL;
 
 	/* attach frontend */
-	input->fe = dvb_attach(cxd2841er_attach_t_c, &cfg, i2c);
+	fe = dvb->fe = dvb_attach(cxd2841er_attach_t_c, &cfg, i2c);
 
-	if (!input->fe) {
-		dev_err(dev, "No Sony CXD28xx found!\n");
+	if (!dvb->fe) {
+		dev_err(dev, "No cxd2837/38/43/54 found!\n");
 		return -ENODEV;
 	}
-
-	input->fe->sec_priv = input;
-	input->gate_ctrl = input->fe->ops.i2c_gate_ctrl;
-	input->fe->ops.i2c_gate_ctrl = drxk_gate_ctrl;
-
+	fe->sec_priv = input;
+	dvb->i2c_gate_ctrl = fe->ops.i2c_gate_ctrl;
+	fe->ops.i2c_gate_ctrl = locked_gate_ctrl;
 	return 0;
 }
 
 static int tuner_attach_tda18212(struct ddb_input *input, u32 porttype)
 {
 	struct i2c_adapter *adapter = &input->port->i2c->adap;
-	struct device *dev = &input->port->dev->pdev->dev;
+	struct ddb_dvb *dvb = &input->port->dvb[input->nr & 1];
+	struct device *dev = input->port->dev->dev;
 	struct i2c_client *client;
 	struct tda18212_config config = {
-		.fe = input->fe,
+		.fe = dvb->fe,
 		.if_dvbt_6 = 3550,
 		.if_dvbt_7 = 3700,
 		.if_dvbt_8 = 4150,

@@ -684,17 +1071,17 @@ static int tuner_attach_tda18212(struct ddb_input *input, u32 porttype)
 		goto err;
 	}
 
-	input->i2c_client[0] = client;
+	dvb->i2c_client[0] = client;
 
 	return 0;
 err:
-	dev_warn(dev, "TDA18212 tuner not found. Device is not fully operational.\n");
+	dev_notice(dev, "TDA18212 tuner not found. Device is not fully operational.\n");
 	return -ENODEV;
 }
 
-/******************************************************************************/
-/******************************************************************************/
-/******************************************************************************/
+/****************************************************************************/
+/****************************************************************************/
+/****************************************************************************/
 
 static struct stv090x_config stv0900 = {
 	.device         = STV0900,

@@ -707,6 +1094,9 @@ static struct stv090x_config stv0900 = {
 	.ts1_mode       = STV090x_TSMODE_SERIAL_PUNCTURED,
 	.ts2_mode       = STV090x_TSMODE_SERIAL_PUNCTURED,
 
+	.ts1_tei        = 1,
+	.ts2_tei        = 1,
+
 	.repeater_level = STV090x_RPTLEVEL_16,
 
 	.adc1_range	= STV090x_ADC_1Vpp,

@@ -726,6 +1116,9 @@ static struct stv090x_config stv0900_aa = {
 	.ts1_mode       = STV090x_TSMODE_SERIAL_PUNCTURED,
 	.ts2_mode       = STV090x_TSMODE_SERIAL_PUNCTURED,
 
+	.ts1_tei        = 1,
+	.ts2_tei        = 1,
+
 	.repeater_level = STV090x_RPTLEVEL_16,
 
 	.adc1_range	= STV090x_ADC_1Vpp,

@@ -749,17 +1142,18 @@ static struct stv6110x_config stv6110b = {
 static int demod_attach_stv0900(struct ddb_input *input, int type)
 {
 	struct i2c_adapter *i2c = &input->port->i2c->adap;
-	struct device *dev = &input->port->dev->pdev->dev;
 	struct stv090x_config *feconf = type ? &stv0900_aa : &stv0900;
+	struct ddb_dvb *dvb = &input->port->dvb[input->nr & 1];
+	struct device *dev = input->port->dev->dev;
 
-	input->fe = dvb_attach(stv090x_attach, feconf, i2c,
-			       (input->nr & 1) ? STV090x_DEMODULATOR_1
-			       : STV090x_DEMODULATOR_0);
-	if (!input->fe) {
+	dvb->fe = dvb_attach(stv090x_attach, feconf, i2c,
+			     (input->nr & 1) ? STV090x_DEMODULATOR_1
+			     : STV090x_DEMODULATOR_0);
+	if (!dvb->fe) {
 		dev_err(dev, "No STV0900 found!\n");
 		return -ENODEV;
 	}
-	if (!dvb_attach(lnbh24_attach, input->fe, i2c, 0,
+	if (!dvb_attach(lnbh24_attach, dvb->fe, i2c, 0,
 			0, (input->nr & 1) ?
 			(0x09 - type) : (0x0b - type))) {
 		dev_err(dev, "No LNBH24 found!\n");

@@ -771,19 +1165,20 @@ static int demod_attach_stv0900(struct ddb_input *input, int type)
 static int tuner_attach_stv6110(struct ddb_input *input, int type)
 {
 	struct i2c_adapter *i2c = &input->port->i2c->adap;
-	struct device *dev = &input->port->dev->pdev->dev;
+	struct ddb_dvb *dvb = &input->port->dvb[input->nr & 1];
+	struct device *dev = input->port->dev->dev;
 	struct stv090x_config *feconf = type ? &stv0900_aa : &stv0900;
 	struct stv6110x_config *tunerconf = (input->nr & 1) ?
 		&stv6110b : &stv6110a;
 	const struct stv6110x_devctl *ctl;
 
-	ctl = dvb_attach(stv6110x_attach, input->fe, tunerconf, i2c);
+	ctl = dvb_attach(stv6110x_attach, dvb->fe, tunerconf, i2c);
 	if (!ctl) {
 		dev_err(dev, "No STV6110X found!\n");
 		return -ENODEV;
 	}
 	dev_info(dev, "attach tuner input %d adr %02x\n",
-			 input->nr, tunerconf->addr);
+		input->nr, tunerconf->addr);
 
 	feconf->tuner_init          = ctl->tuner_init;
 	feconf->tuner_sleep         = ctl->tuner_sleep;

@@ -815,7 +1210,8 @@ static struct lnbh25_config lnbh25_cfg = {
 static int demod_attach_stv0910(struct ddb_input *input, int type)
 {
 	struct i2c_adapter *i2c = &input->port->i2c->adap;
-	struct device *dev = &input->port->dev->pdev->dev;
+	struct ddb_dvb *dvb = &input->port->dvb[input->nr & 1];
+	struct device *dev = input->port->dev->dev;
 	struct stv0910_cfg cfg = stv0910_p;
 	struct lnbh25_config lnbcfg = lnbh25_cfg;
 

@@ -824,13 +1220,13 @@ static int demod_attach_stv0910(struct ddb_input *input, int type)
 
 	if (type)
 		cfg.parallel = 2;
-	input->fe = dvb_attach(stv0910_attach, i2c, &cfg, (input->nr & 1));
-	if (!input->fe) {
+	dvb->fe = dvb_attach(stv0910_attach, i2c, &cfg, (input->nr & 1));
+	if (!dvb->fe) {
 		cfg.adr = 0x6c;
-		input->fe = dvb_attach(stv0910_attach, i2c,
-					&cfg, (input->nr & 1));
+		dvb->fe = dvb_attach(stv0910_attach, i2c,
+				     &cfg, (input->nr & 1));
 	}
-	if (!input->fe) {
+	if (!dvb->fe) {
 		dev_err(dev, "No STV0910 found!\n");
 		return -ENODEV;
 	}

@@ -839,9 +1235,9 @@ static int demod_attach_stv0910(struct ddb_input *input, int type)
 	 * i2c addresses
 	 */
 	lnbcfg.i2c_address = (((input->nr & 1) ? 0x0d : 0x0c) << 1);
-	if (!dvb_attach(lnbh25_attach, input->fe, &lnbcfg, i2c)) {
+	if (!dvb_attach(lnbh25_attach, dvb->fe, &lnbcfg, i2c)) {
 		lnbcfg.i2c_address = (((input->nr & 1) ? 0x09 : 0x08) << 1);
-		if (!dvb_attach(lnbh25_attach, input->fe, &lnbcfg, i2c)) {
+		if (!dvb_attach(lnbh25_attach, dvb->fe, &lnbcfg, i2c)) {
 			dev_err(dev, "No LNBH25 found!\n");
 			return -ENODEV;
 		}

@@ -853,13 +1249,14 @@ static int demod_attach_stv0910(struct ddb_input *input, int type)
 static int tuner_attach_stv6111(struct ddb_input *input, int type)
 {
 	struct i2c_adapter *i2c = &input->port->i2c->adap;
-	struct device *dev = &input->port->dev->pdev->dev;
+	struct ddb_dvb *dvb = &input->port->dvb[input->nr & 1];
+	struct device *dev = input->port->dev->dev;
 	struct dvb_frontend *fe;
 	u8 adr = (type ? 0 : 4) + ((input->nr & 1) ? 0x63 : 0x60);
 
-	fe = dvb_attach(stv6111_attach, input->fe, i2c, adr);
+	fe = dvb_attach(stv6111_attach, dvb->fe, i2c, adr);
 	if (!fe) {
-		fe = dvb_attach(stv6111_attach, input->fe, i2c, adr & ~4);
+		fe = dvb_attach(stv6111_attach, dvb->fe, i2c, adr & ~4);
 		if (!fe) {
 			dev_err(dev, "No STV6111 found at 0x%02x!\n", adr);
 			return -ENODEV;

@@ -868,294 +1265,375 @@ static int tuner_attach_stv6111(struct ddb_input *input, int type)
 	return 0;
 }
 
-static int my_dvb_dmx_ts_card_init(struct dvb_demux *dvbdemux, char *id,
-			    int (*start_feed)(struct dvb_demux_feed *),
-			    int (*stop_feed)(struct dvb_demux_feed *),
-			    void *priv)
-{
-	dvbdemux->priv = priv;
-
-	dvbdemux->filternum = 256;
-	dvbdemux->feednum = 256;
-	dvbdemux->start_feed = start_feed;
-	dvbdemux->stop_feed = stop_feed;
-	dvbdemux->write_to_decoder = NULL;
-	dvbdemux->dmx.capabilities = (DMX_TS_FILTERING |
-				      DMX_SECTION_FILTERING |
-				      DMX_MEMORY_BASED_FILTERING);
-	return dvb_dmx_init(dvbdemux);
-}
-
-static int my_dvb_dmxdev_ts_card_init(struct dmxdev *dmxdev,
-			       struct dvb_demux *dvbdemux,
-			       struct dmx_frontend *hw_frontend,
-			       struct dmx_frontend *mem_frontend,
-			       struct dvb_adapter *dvb_adapter)
-{
-	int ret;
-
-	dmxdev->filternum = 256;
-	dmxdev->demux = &dvbdemux->dmx;
-	dmxdev->capabilities = 0;
-	ret = dvb_dmxdev_init(dmxdev, dvb_adapter);
-	if (ret < 0)
-		return ret;
-
-	hw_frontend->source = DMX_FRONTEND_0;
-	dvbdemux->dmx.add_frontend(&dvbdemux->dmx, hw_frontend);
-	mem_frontend->source = DMX_MEMORY_FE;
-	dvbdemux->dmx.add_frontend(&dvbdemux->dmx, mem_frontend);
-	return dvbdemux->dmx.connect_frontend(&dvbdemux->dmx, hw_frontend);
-}
-
 static int start_feed(struct dvb_demux_feed *dvbdmxfeed)
 {
 	struct dvb_demux *dvbdmx = dvbdmxfeed->demux;
 	struct ddb_input *input = dvbdmx->priv;
+	struct ddb_dvb *dvb = &input->port->dvb[input->nr & 1];
 
-	if (!input->users)
-		ddb_input_start(input);
+	if (!dvb->users)
+		ddb_input_start_all(input);
 
-	return ++input->users;
+	return ++dvb->users;
 }
 
 static int stop_feed(struct dvb_demux_feed *dvbdmxfeed)
 {
 	struct dvb_demux *dvbdmx = dvbdmxfeed->demux;
 	struct ddb_input *input = dvbdmx->priv;
+	struct ddb_dvb *dvb = &input->port->dvb[input->nr & 1];
 
-	if (--input->users)
-		return input->users;
+	if (--dvb->users)
+		return dvb->users;
 
-	ddb_input_stop(input);
+	ddb_input_stop_all(input);
 	return 0;
 }
 
-
 static void dvb_input_detach(struct ddb_input *input)
 {
-	struct dvb_adapter *adap = &input->adap;
-	struct dvb_demux *dvbdemux = &input->demux;
+	struct ddb_dvb *dvb = &input->port->dvb[input->nr & 1];
+	struct dvb_demux *dvbdemux = &dvb->demux;
 	struct i2c_client *client;
 
-	switch (input->attached) {
-	case 5:
-		client = input->i2c_client[0];
+	switch (dvb->attached) {
+	case 0x31:
+		client = dvb->i2c_client[0];
 		if (client) {
 			module_put(client->dev.driver->owner);
 			i2c_unregister_device(client);
 		}
-		if (input->fe2) {
-			dvb_unregister_frontend(input->fe2);
-			input->fe2 = NULL;
-		}
-		if (input->fe) {
-			dvb_unregister_frontend(input->fe);
-			dvb_frontend_detach(input->fe);
-			input->fe = NULL;
-		}
-		/* fall-through */
-	case 4:
-		dvb_net_release(&input->dvbnet);
-		/* fall-through */
-	case 3:
-		dvbdemux->dmx.close(&dvbdemux->dmx);
+		if (dvb->fe2)
+			dvb_unregister_frontend(dvb->fe2);
+		if (dvb->fe)
+			dvb_unregister_frontend(dvb->fe);
+		/* fallthrough */
+	case 0x30:
+		if (dvb->fe2)
+			dvb_frontend_detach(dvb->fe2);
+		if (dvb->fe)
+			dvb_frontend_detach(dvb->fe);
+		dvb->fe = dvb->fe2 = NULL;
+		/* fallthrough */
+	case 0x20:
+		dvb_net_release(&dvb->dvbnet);
+		/* fallthrough */
+	case 0x12:
 		dvbdemux->dmx.remove_frontend(&dvbdemux->dmx,
-					      &input->hw_frontend);
+					      &dvb->hw_frontend);
 		dvbdemux->dmx.remove_frontend(&dvbdemux->dmx,
-					      &input->mem_frontend);
-		dvb_dmxdev_release(&input->dmxdev);
-		/* fall-through */
-	case 2:
-		dvb_dmx_release(&input->demux);
-		/* fall-through */
-	case 1:
-		dvb_unregister_adapter(adap);
+					      &dvb->mem_frontend);
+		/* fallthrough */
+	case 0x11:
+		dvb_dmxdev_release(&dvb->dmxdev);
+		/* fallthrough */
+	case 0x10:
+		dvb_dmx_release(&dvb->demux);
+		/* fallthrough */
+	case 0x01:
+		break;
+	}
+	dvb->attached = 0x00;
+}
+
+static int dvb_register_adapters(struct ddb *dev)
+{
+	int i, ret = 0;
+	struct ddb_port *port;
+	struct dvb_adapter *adap;
+
+	if (adapter_alloc == 3) {
+		port = &dev->port[0];
+		adap = port->dvb[0].adap;
+		ret = dvb_register_adapter(adap, "DDBridge", THIS_MODULE,
+					   port->dev->dev,
+					   adapter_nr);
+		if (ret < 0)
+			return ret;
+		port->dvb[0].adap_registered = 1;
+		for (i = 0; i < dev->port_num; i++) {
+			port = &dev->port[i];
+			port->dvb[0].adap = adap;
+			port->dvb[1].adap = adap;
+		}
+		return 0;
+	}
+
+	for (i = 0; i < dev->port_num; i++) {
+		port = &dev->port[i];
+		switch (port->class) {
+		case DDB_PORT_TUNER:
+			adap = port->dvb[0].adap;
+			ret = dvb_register_adapter(adap, "DDBridge",
+						   THIS_MODULE,
+						   port->dev->dev,
+						   adapter_nr);
+			if (ret < 0)
+				return ret;
+			port->dvb[0].adap_registered = 1;
+
+			if (adapter_alloc > 0) {
+				port->dvb[1].adap = port->dvb[0].adap;
+				break;
+			}
+			adap = port->dvb[1].adap;
+			ret = dvb_register_adapter(adap, "DDBridge",
+						   THIS_MODULE,
+						   port->dev->dev,
+						   adapter_nr);
+			if (ret < 0)
+				return ret;
+			port->dvb[1].adap_registered = 1;
+			break;
+
+		case DDB_PORT_CI:
+		case DDB_PORT_LOOP:
+			adap = port->dvb[0].adap;
+			ret = dvb_register_adapter(adap, "DDBridge",
+						   THIS_MODULE,
+						   port->dev->dev,
+						   adapter_nr);
+			if (ret < 0)
+				return ret;
+			port->dvb[0].adap_registered = 1;
+			break;
+		default:
+			if (adapter_alloc < 2)
+				break;
+			adap = port->dvb[0].adap;
+			ret = dvb_register_adapter(adap, "DDBridge",
+						   THIS_MODULE,
+						   port->dev->dev,
+						   adapter_nr);
+			if (ret < 0)
+				return ret;
+			port->dvb[0].adap_registered = 1;
+			break;
+		}
+	}
+	return ret;
+}
+
+static void dvb_unregister_adapters(struct ddb *dev)
+{
+	int i;
+	struct ddb_port *port;
+	struct ddb_dvb *dvb;
+
+	for (i = 0; i < dev->link[0].info->port_num; i++) {
+		port = &dev->port[i];
+
+		dvb = &port->dvb[0];
+		if (dvb->adap_registered)
+			dvb_unregister_adapter(dvb->adap);
+		dvb->adap_registered = 0;
+
+		dvb = &port->dvb[1];
+		if (dvb->adap_registered)
+			dvb_unregister_adapter(dvb->adap);
+		dvb->adap_registered = 0;
 	}
-	input->attached = 0;
 }
 
 static int dvb_input_attach(struct ddb_input *input)
 {
-	int ret;
+	int ret = 0;
+	struct ddb_dvb *dvb = &input->port->dvb[input->nr & 1];
 	struct ddb_port *port = input->port;
-	struct dvb_adapter *adap = &input->adap;
-	struct dvb_demux *dvbdemux = &input->demux;
-	struct device *dev = &input->port->dev->pdev->dev;
-	int sony_osc24 = 0, sony_tspar = 0;
-
-	ret = dvb_register_adapter(adap, "DDBridge", THIS_MODULE,
-				   &input->port->dev->pdev->dev,
-				   adapter_nr);
-	if (ret < 0) {
-		dev_err(dev, "Could not register adapter. Check if you enabled enough adapters in dvb-core!\n");
+	struct dvb_adapter *adap = dvb->adap;
+	struct dvb_demux *dvbdemux = &dvb->demux;
+	int par = 0, osc24 = 0;
+
+	dvb->attached = 0x01;
+
+	dvbdemux->priv = input;
+	dvbdemux->dmx.capabilities = DMX_TS_FILTERING |
+		DMX_SECTION_FILTERING | DMX_MEMORY_BASED_FILTERING;
+	dvbdemux->start_feed = start_feed;
+	dvbdemux->stop_feed = stop_feed;
+	dvbdemux->filternum = dvbdemux->feednum = 256;
+	ret = dvb_dmx_init(dvbdemux);
+	if (ret < 0)
 		return ret;
-	}
-	input->attached = 1;
+	dvb->attached = 0x10;
 
-	ret = my_dvb_dmx_ts_card_init(dvbdemux, "SW demux",
-				      start_feed,
-				      stop_feed, input);
+	dvb->dmxdev.filternum = 256;
+	dvb->dmxdev.demux = &dvbdemux->dmx;
+	ret = dvb_dmxdev_init(&dvb->dmxdev, adap);
 	if (ret < 0)
 		return ret;
-	input->attached = 2;
+	dvb->attached = 0x11;
 
-	ret = my_dvb_dmxdev_ts_card_init(&input->dmxdev, &input->demux,
-					 &input->hw_frontend,
-					 &input->mem_frontend, adap);
+	dvb->mem_frontend.source = DMX_MEMORY_FE;
+	dvb->demux.dmx.add_frontend(&dvb->demux.dmx, &dvb->mem_frontend);
+	dvb->hw_frontend.source = DMX_FRONTEND_0;
+	dvb->demux.dmx.add_frontend(&dvb->demux.dmx, &dvb->hw_frontend);
+	ret = dvbdemux->dmx.connect_frontend(&dvbdemux->dmx, &dvb->hw_frontend);
 	if (ret < 0)
 		return ret;
-	input->attached = 3;
+	dvb->attached = 0x12;
 
-	ret = dvb_net_init(adap, &input->dvbnet, input->dmxdev.demux);
+	ret = dvb_net_init(adap, &dvb->dvbnet, dvb->dmxdev.demux);
 	if (ret < 0)
 		return ret;
-	input->attached = 4;
+	dvb->attached = 0x20;
 
-	input->fe = NULL;
+	dvb->fe = dvb->fe2 = NULL;
 	switch (port->type) {
+	case DDB_TUNER_MXL5XX:
+		dev_notice(port->dev->dev, "MaxLinear MxL5xx not supported\n");
+		return -ENODEV;
 	case DDB_TUNER_DVBS_ST:
 		if (demod_attach_stv0900(input, 0) < 0)
 			return -ENODEV;
 		if (tuner_attach_stv6110(input, 0) < 0)
 			return -ENODEV;
-		if (input->fe) {
-			if (dvb_register_frontend(adap, input->fe) < 0)
-				return -ENODEV;
-		}
 		break;
 	case DDB_TUNER_DVBS_ST_AA:
 		if (demod_attach_stv0900(input, 1) < 0)
 			return -ENODEV;
 		if (tuner_attach_stv6110(input, 1) < 0)
 			return -ENODEV;
-		if (input->fe) {
-			if (dvb_register_frontend(adap, input->fe) < 0)
-				return -ENODEV;
-		}
 		break;
-	case DDB_TUNER_XO2_DVBS_STV0910:
+	case DDB_TUNER_DVBS_STV0910:
 		if (demod_attach_stv0910(input, 0) < 0)
 			return -ENODEV;
 		if (tuner_attach_stv6111(input, 0) < 0)
 			return -ENODEV;
-		if (input->fe) {
-			if (dvb_register_frontend(adap, input->fe) < 0)
-				return -ENODEV;
-		}
 		break;
 	case DDB_TUNER_DVBS_STV0910_PR:
 		if (demod_attach_stv0910(input, 1) < 0)
 			return -ENODEV;
 		if (tuner_attach_stv6111(input, 1) < 0)
 			return -ENODEV;
-		if (input->fe) {
-			if (dvb_register_frontend(adap, input->fe) < 0)
-				return -ENODEV;
-		}
 		break;
 	case DDB_TUNER_DVBS_STV0910_P:
 		if (demod_attach_stv0910(input, 0) < 0)
 			return -ENODEV;
 		if (tuner_attach_stv6111(input, 1) < 0)
 			return -ENODEV;
-		if (input->fe) {
-			if (dvb_register_frontend(adap, input->fe) < 0)
-				return -ENODEV;
-		}
 		break;
 	case DDB_TUNER_DVBCT_TR:
 		if (demod_attach_drxk(input) < 0)
 			return -ENODEV;
 		if (tuner_attach_tda18271(input) < 0)
 			return -ENODEV;
-		if (dvb_register_frontend(adap, input->fe) < 0)
-			return -ENODEV;
-		if (input->fe2) {
-			if (dvb_register_frontend(adap, input->fe2) < 0)
-				return -ENODEV;
-			input->fe2->tuner_priv = input->fe->tuner_priv;
-			memcpy(&input->fe2->ops.tuner_ops,
-			       &input->fe->ops.tuner_ops,
-			       sizeof(struct dvb_tuner_ops));
-		}
 		break;
 	case DDB_TUNER_DVBCT_ST:
 		if (demod_attach_stv0367(input) < 0)
 			return -ENODEV;
-		if (tuner_attach_tda18212(input, port->type) < 0)
+		if (tuner_attach_tda18212(input, port->type) < 0) {
+			if (dvb->fe2)
+				dvb_frontend_detach(dvb->fe2);
+			if (dvb->fe)
+				dvb_frontend_detach(dvb->fe);
 			return -ENODEV;
-		if (input->fe) {
-			if (dvb_register_frontend(adap, input->fe) < 0)
-				return -ENODEV;
 		}
 		break;
 	case DDB_TUNER_DVBC2T2I_SONY_P:
+		if (input->port->dev->link[input->port->lnr].info->ts_quirks &
+		    TS_QUIRK_ALT_OSC)
+			osc24 = 0;
+		else
+			osc24 = 1;
 	case DDB_TUNER_DVBCT2_SONY_P:
 	case DDB_TUNER_DVBC2T2_SONY_P:
 	case DDB_TUNER_ISDBT_SONY_P:
-		if (port->type == DDB_TUNER_DVBC2T2I_SONY_P)
-			sony_osc24 = 1;
-		if (input->port->dev->info->ts_quirks & TS_QUIRK_ALT_OSC)
-			sony_osc24 = 0;
-		if (input->port->dev->info->ts_quirks & TS_QUIRK_SERIAL)
-			sony_tspar = 0;
+		if (input->port->dev->link[input->port->lnr].info->ts_quirks
+			& TS_QUIRK_SERIAL)
+			par = 0;
 		else
-			sony_tspar = 1;
-
-		if (demod_attach_cxd28xx(input, sony_tspar, sony_osc24) < 0)
+			par = 1;
+		if (demod_attach_cxd28xx(input, par, osc24) < 0)
 			return -ENODEV;
-		if (tuner_attach_tda18212(input, port->type) < 0)
+		if (tuner_attach_tda18212(input, port->type) < 0) {
+			if (dvb->fe2)
+				dvb_frontend_detach(dvb->fe2);
+			if (dvb->fe)
+				dvb_frontend_detach(dvb->fe);
 			return -ENODEV;
-		if (input->fe) {
-			if (dvb_register_frontend(adap, input->fe) < 0)
-				return -ENODEV;
 		}
 		break;
-	case DDB_TUNER_XO2_DVBC2T2I_SONY:
-	case DDB_TUNER_XO2_DVBCT2_SONY:
-	case DDB_TUNER_XO2_DVBC2T2_SONY:
-	case DDB_TUNER_XO2_ISDBT_SONY:
-		if (port->type == DDB_TUNER_XO2_DVBC2T2I_SONY)
-			sony_osc24 = 1;
-
-		if (demod_attach_cxd28xx(input, 0, sony_osc24) < 0)
+	case DDB_TUNER_DVBC2T2I_SONY:
+		osc24 = 1;
+	case DDB_TUNER_DVBCT2_SONY:
+	case DDB_TUNER_DVBC2T2_SONY:
+	case DDB_TUNER_ISDBT_SONY:
+		if (demod_attach_cxd28xx(input, 0, osc24) < 0)
 			return -ENODEV;
-		if (tuner_attach_tda18212(input, port->type) < 0)
+		if (tuner_attach_tda18212(input, port->type) < 0) {
+			if (dvb->fe2)
+				dvb_frontend_detach(dvb->fe2);
+			if (dvb->fe)
+				dvb_frontend_detach(dvb->fe);
 			return -ENODEV;
-		if (input->fe) {
-			if (dvb_register_frontend(adap, input->fe) < 0)
-				return -ENODEV;
 		}
 		break;
+	default:
+		return 0;
 	}
-
-	input->attached = 5;
+	dvb->attached = 0x30;
+	if (dvb->fe) {
+		if (dvb_register_frontend(adap, dvb->fe) < 0)
+			return -ENODEV;
+	}
+	if (dvb->fe2) {
+		if (dvb_register_frontend(adap, dvb->fe2) < 0)
+			return -ENODEV;
+		dvb->fe2->tuner_priv = dvb->fe->tuner_priv;
+		memcpy(&dvb->fe2->ops.tuner_ops,
+		       &dvb->fe->ops.tuner_ops,
+		       sizeof(struct dvb_tuner_ops));
+	}
+	dvb->attached = 0x31;
 	return 0;
 }
 
-static int port_has_ci(struct ddb_port *port)
+
+static int port_has_encti(struct ddb_port *port)
+{
+	struct device *dev = port->dev->dev;
+	u8 val;
+	int ret = i2c_read_reg(&port->i2c->adap, 0x20, 0, &val);
+
+	if (!ret)
+		dev_info(dev, "[0x20]=0x%02x\n", val);
+	return ret ? 0 : 1;
+}
+
+static int port_has_cxd(struct ddb_port *port, u8 *type)
 {
 	u8 val;
-	return i2c_read_reg(&port->i2c->adap, 0x40, 0, &val) ? 0 : 1;
+	u8 probe[4] = { 0xe0, 0x00, 0x00, 0x00 }, data[4];
+	struct i2c_msg msgs[2] = {{ .addr = 0x40,  .flags = 0,
+				    .buf  = probe, .len   = 4 },
+				  { .addr = 0x40,  .flags = I2C_M_RD,
+				    .buf  = data,  .len   = 4 } };
+	val = i2c_transfer(&port->i2c->adap, msgs, 2);
+	if (val != 2)
+		return 0;
+
+	if (data[0] == 0x02 && data[1] == 0x2b && data[3] == 0x43)
+		*type = 2;
+	else
+		*type = 1;
+	return 1;
 }
 
 static int port_has_xo2(struct ddb_port *port, u8 *type, u8 *id)
 {
 	u8 probe[1] = { 0x00 }, data[4];
 
-	*type = DDB_XO2_TYPE_NONE;
-
 	if (i2c_io(&port->i2c->adap, 0x10, probe, 1, data, 4))
 		return 0;
 	if (data[0] == 'D' && data[1] == 'F') {
 		*id = data[2];
-		*type = DDB_XO2_TYPE_DUOFLEX;
+		*type = 1;
 		return 1;
 	}
 	if (data[0] == 'C' && data[1] == 'I') {
 		*id = data[2];
-		*type = DDB_XO2_TYPE_CI;
+		*type = 2;
 		return 1;
 	}
 	return 0;

@@ -1164,6 +1642,7 @@ static int port_has_xo2(struct ddb_port *port, u8 *type, u8 *id)
 static int port_has_stv0900(struct ddb_port *port)
 {
 	u8 val;
+
 	if (i2c_read_reg16(&port->i2c->adap, 0x69, 0xf100, &val) < 0)
 		return 0;
 	return 1;

@@ -1179,6 +1658,7 @@ static int port_has_stv0900_aa(struct ddb_port *port, u8 *id)
 static int port_has_drxks(struct ddb_port *port)
 {
 	u8 val;
+
 	if (i2c_read(&port->i2c->adap, 0x29, &val) < 0)
 		return 0;
 	if (i2c_read(&port->i2c->adap, 0x2a, &val) < 0)

@@ -1189,6 +1669,7 @@ static int port_has_drxks(struct ddb_port *port)
 static int port_has_stv0367(struct ddb_port *port)
 {
 	u8 val;
+
 	if (i2c_read_reg16(&port->i2c->adap, 0x1e, 0xf000, &val) < 0)
 		return 0;
 	if (val != 0x60)

@@ -1203,7 +1684,7 @@ static int port_has_stv0367(struct ddb_port *port)
 static int init_xo2(struct ddb_port *port)
 {
 	struct i2c_adapter *i2c = &port->i2c->adap;
-	struct device *dev = &port->dev->pdev->dev;
+	struct ddb *dev = port->dev;
 	u8 val, data[2];
 	int res;
 

@@ -1212,7 +1693,7 @@ static int init_xo2(struct ddb_port *port)
 		return res;
 
 	if (data[0] != 0x01)  {
-		dev_info(dev, "Port %d: invalid XO2\n", port->nr);
+		dev_info(dev->dev, "Port %d: invalid XO2\n", port->nr);
 		return -1;
 	}
 

@@ -1228,11 +1709,16 @@ static int init_xo2(struct ddb_port *port)
 	i2c_write_reg(i2c, 0x10, 0x08, 0x07);
 
 	/* speed: 0=55,1=75,2=90,3=104 MBit/s */
-	i2c_write_reg(i2c, 0x10, 0x09,
-		((xo2_speed >= 0 && xo2_speed <= 3) ? xo2_speed : 2));
+	i2c_write_reg(i2c, 0x10, 0x09, xo2_speed);
 
-	i2c_write_reg(i2c, 0x10, 0x0a, 0x01);
-	i2c_write_reg(i2c, 0x10, 0x0b, 0x01);
+	if (dev->link[port->lnr].info->con_clock) {
+		dev_info(dev->dev, "Setting continuous clock for XO2\n");
+		i2c_write_reg(i2c, 0x10, 0x0a, 0x03);
+		i2c_write_reg(i2c, 0x10, 0x0b, 0x03);
+	} else {
+		i2c_write_reg(i2c, 0x10, 0x0a, 0x01);
+		i2c_write_reg(i2c, 0x10, 0x0b, 0x01);
+	}
 
 	usleep_range(2000, 3000);
 	/* Start XO2 PLL */

@@ -1241,6 +1727,52 @@ static int init_xo2(struct ddb_port *port)
 	return 0;
 }
 
+static int init_xo2_ci(struct ddb_port *port)
+{
+	struct i2c_adapter *i2c = &port->i2c->adap;
+	struct ddb *dev = port->dev;
+	u8 val, data[2];
+	int res;
+
+	res = i2c_read_regs(i2c, 0x10, 0x04, data, 2);
+	if (res < 0)
+		return res;
+
+	if (data[0] > 1)  {
+		dev_info(dev->dev, "Port %d: invalid XO2 CI %02x\n",
+			port->nr, data[0]);
+		return -1;
+	}
+	dev_info(dev->dev, "Port %d: DuoFlex CI %u.%u\n",
+		port->nr, data[0], data[1]);
+
+	i2c_read_reg(i2c, 0x10, 0x08, &val);
+	if (val != 0) {
+		i2c_write_reg(i2c, 0x10, 0x08, 0x00);
+		msleep(100);
+	}
+	/* Enable both CI */
+	i2c_write_reg(i2c, 0x10, 0x08, 3);
+	usleep_range(2000, 3000);
+
+
+	/* speed: 0=55,1=75,2=90,3=104 MBit/s */
+	i2c_write_reg(i2c, 0x10, 0x09, 1);
+
+	i2c_write_reg(i2c, 0x10, 0x08, 0x83);
+	usleep_range(2000, 3000);
+
+	if (dev->link[port->lnr].info->con_clock) {
+		dev_info(dev->dev, "Setting continuous clock for DuoFlex CI\n");
+		i2c_write_reg(i2c, 0x10, 0x0a, 0x03);
+		i2c_write_reg(i2c, 0x10, 0x0b, 0x03);
+	} else {
+		i2c_write_reg(i2c, 0x10, 0x0a, 0x01);
+		i2c_write_reg(i2c, 0x10, 0x0b, 0x01);
+	}
+	return 0;
+}
+
 static int port_has_cxd28xx(struct ddb_port *port, u8 *id)
 {
 	struct i2c_adapter *i2c = &port->i2c->adap;

@@ -1255,140 +1787,453 @@ static int port_has_cxd28xx(struct ddb_port *port, u8 *id)
 	return 1;
 }
 
+static char *xo2names[] = {
+	"DUAL DVB-S2", "DUAL DVB-C/T/T2",
+	"DUAL DVB-ISDBT", "DUAL DVB-C/C2/T/T2",
+	"DUAL ATSC", "DUAL DVB-C/C2/T/T2,ISDB-T",
+	"", ""
+};
+
+static char *xo2types[] = {
+	"DVBS_ST", "DVBCT2_SONY",
+	"ISDBT_SONY", "DVBC2T2_SONY",
+	"ATSC_ST", "DVBC2T2I_SONY"
+};
+
 static void ddb_port_probe(struct ddb_port *port)
 {
 	struct ddb *dev = port->dev;
-	char *modname = "NO MODULE";
-	u8 xo2_type, xo2_id, cxd_id, stv_id;
+	u32 l = port->lnr;
+	u8 id, type;
 
+	port->name = "NO MODULE";
+	port->type_name = "NONE";
 	port->class = DDB_PORT_NONE;
 
-	if (port_has_ci(port)) {
-		modname = "CI";
+	/* Handle missing ports and ports without I2C */
+
+	if (port->nr == ts_loop) {
+		port->name = "TS LOOP";
+		port->class = DDB_PORT_LOOP;
+		return;
+	}
+
+	if (port->nr == 1 && dev->link[l].info->type == DDB_OCTOPUS_CI &&
+	    dev->link[l].info->i2c_mask == 1) {
+		port->name = "NO TAB";
+		port->class = DDB_PORT_NONE;
+		return;
+	}
+
+	if (port->nr > 1 && dev->link[l].info->type == DDB_OCTOPUS_CI) {
+		port->name = "CI internal";
+		port->type_name = "INTERNAL";
 		port->class = DDB_PORT_CI;
-		ddbwritel(I2C_SPEED_400, port->i2c->regs + I2C_TIMING);
-	} else if (port_has_xo2(port, &xo2_type, &xo2_id)) {
-		dev_dbg(&dev->pdev->dev, "Port %d (TAB %d): XO2 type: %d, id: %d\n",
-			port->nr, port->nr+1, xo2_type, xo2_id);
+		port->type = DDB_CI_INTERNAL;
+	}
 
-		ddbwritel(I2C_SPEED_400, port->i2c->regs + I2C_TIMING);
+	if (!port->i2c)
+		return;
 
-		switch (xo2_type) {
-		case DDB_XO2_TYPE_DUOFLEX:
+	/* Probe ports with I2C */
+
+	if (port_has_cxd(port, &id)) {
+		if (id == 1) {
+			port->name = "CI";
+			port->type_name = "CXD2099";
+			port->class = DDB_PORT_CI;
+			port->type = DDB_CI_EXTERNAL_SONY;
+			ddbwritel(dev, I2C_SPEED_400,
+				  port->i2c->regs + I2C_TIMING);
+		} else {
+			dev_info(dev->dev, "Port %d: Uninitialized DuoFlex\n",
+			       port->nr);
+			return;
+		}
+	} else if (port_has_xo2(port, &type, &id)) {
+		ddbwritel(dev, I2C_SPEED_400, port->i2c->regs + I2C_TIMING);
+		/*dev_info(dev->dev, "XO2 ID %02x\n", id);*/
+		if (type == 2) {
+			port->name = "DuoFlex CI";
+			port->class = DDB_PORT_CI;
+			port->type = DDB_CI_EXTERNAL_XO2;
+			port->type_name = "CI_XO2";
+			init_xo2_ci(port);
+			return;
+		}
+		id >>= 2;
+		if (id > 5) {
+			port->name = "unknown XO2 DuoFlex";
+			port->type_name = "UNKNOWN";
+		} else {
+			port->name = xo2names[id];
+			port->class = DDB_PORT_TUNER;
+			port->type = DDB_TUNER_XO2 + id;
+			port->type_name = xo2types[id];
 			init_xo2(port);
-			switch (xo2_id >> 2) {
-			case 0:
-				modname = "DUAL DVB-S2";
-				port->class = DDB_PORT_TUNER;
-				port->type = DDB_TUNER_XO2_DVBS_STV0910;
-				break;
-			case 1:
-				modname = "DUAL DVB-C/T/T2";
-				port->class = DDB_PORT_TUNER;
-				port->type = DDB_TUNER_XO2_DVBCT2_SONY;
-				break;
-			case 2:
-				modname = "DUAL DVB-ISDBT";
-				port->class = DDB_PORT_TUNER;
-				port->type = DDB_TUNER_XO2_ISDBT_SONY;
-				break;
-			case 3:
-				modname = "DUAL DVB-C/C2/T/T2";
-				port->class = DDB_PORT_TUNER;
-				port->type = DDB_TUNER_XO2_DVBC2T2_SONY;
-				break;
-			case 4:
-				modname = "DUAL ATSC (unsupported)";
-				port->class = DDB_PORT_NONE;
-				port->type = DDB_TUNER_XO2_ATSC_ST;
-				break;
-			case 5:
-				modname = "DUAL DVB-C/C2/T/T2/ISDBT";
-				port->class = DDB_PORT_TUNER;
-				port->type = DDB_TUNER_XO2_DVBC2T2I_SONY;
-				break;
-			default:
-				modname = "Unknown XO2 DuoFlex module\n";
-				break;
-			}
-			break;
-		case DDB_XO2_TYPE_CI:
-			dev_info(&dev->pdev->dev, "DuoFlex CI modules not supported\n");
-			break;
-		default:
-			dev_info(&dev->pdev->dev, "Unknown XO2 DuoFlex module\n");
-			break;
 		}
-	} else if (port_has_cxd28xx(port, &cxd_id)) {
-		switch (cxd_id) {
+	} else if (port_has_cxd28xx(port, &id)) {
+		switch (id) {
 		case 0xa4:
-			modname = "DUAL DVB-C2T2 CXD2843";
-			port->class = DDB_PORT_TUNER;
+			port->name = "DUAL DVB-C2T2 CXD2843";
 			port->type = DDB_TUNER_DVBC2T2_SONY_P;
+			port->type_name = "DVBC2T2_SONY";
 			break;
 		case 0xb1:
-			modname = "DUAL DVB-CT2 CXD2837";
-			port->class = DDB_PORT_TUNER;
+			port->name = "DUAL DVB-CT2 CXD2837";
 			port->type = DDB_TUNER_DVBCT2_SONY_P;
+			port->type_name = "DVBCT2_SONY";
 			break;
 		case 0xb0:
-			modname = "DUAL ISDB-T CXD2838";
-			port->class = DDB_PORT_TUNER;
+			port->name = "DUAL ISDB-T CXD2838";
 			port->type = DDB_TUNER_ISDBT_SONY_P;
+			port->type_name = "ISDBT_SONY";
 			break;
 		case 0xc1:
-			modname = "DUAL DVB-C2T2 ISDB-T CXD2854";
-			port->class = DDB_PORT_TUNER;
+			port->name = "DUAL DVB-C2T2 ISDB-T CXD2854";
 			port->type = DDB_TUNER_DVBC2T2I_SONY_P;
+			port->type_name = "DVBC2T2I_ISDBT_SONY";
 			break;
 		default:
-			modname = "Unknown CXD28xx tuner";
-			break;
+			return;
 		}
-		ddbwritel(I2C_SPEED_400, port->i2c->regs + I2C_TIMING);
+		port->class = DDB_PORT_TUNER;
+		ddbwritel(dev, I2C_SPEED_400, port->i2c->regs + I2C_TIMING);
 	} else if (port_has_stv0900(port)) {
-		modname = "DUAL DVB-S2";
+		port->name = "DUAL DVB-S2";
 		port->class = DDB_PORT_TUNER;
 		port->type = DDB_TUNER_DVBS_ST;
-		ddbwritel(I2C_SPEED_100, port->i2c->regs + I2C_TIMING);
-	} else if (port_has_stv0900_aa(port, &stv_id)) {
-		modname = "DUAL DVB-S2";
+		port->type_name = "DVBS_ST";
+		ddbwritel(dev, I2C_SPEED_100, port->i2c->regs + I2C_TIMING);
+	} else if (port_has_stv0900_aa(port, &id)) {
+		port->name = "DUAL DVB-S2";
 		port->class = DDB_PORT_TUNER;
-		switch (stv_id) {
-		case 0x51:
-			if (dev->info->ts_quirks & TS_QUIRK_REVERSED &&
-					port->nr == 0)
+		if (id == 0x51) {
+			if (port->nr == 0 &&
+			    dev->link[l].info->ts_quirks & TS_QUIRK_REVERSED)
 				port->type = DDB_TUNER_DVBS_STV0910_PR;
 			else
 				port->type = DDB_TUNER_DVBS_STV0910_P;
-			break;
-		default:
+			port->type_name = "DVBS_ST_0910";
+		} else {
 			port->type = DDB_TUNER_DVBS_ST_AA;
-			break;
+			port->type_name = "DVBS_ST_AA";
 		}
-		ddbwritel(I2C_SPEED_100, port->i2c->regs + I2C_TIMING);
+		ddbwritel(dev, I2C_SPEED_100, port->i2c->regs + I2C_TIMING);
 	} else if (port_has_drxks(port)) {
-		modname = "DUAL DVB-C/T";
+		port->name = "DUAL DVB-C/T";
 		port->class = DDB_PORT_TUNER;
 		port->type = DDB_TUNER_DVBCT_TR;
-		ddbwritel(I2C_SPEED_400, port->i2c->regs + I2C_TIMING);
+		port->type_name = "DVBCT_TR";
+		ddbwritel(dev, I2C_SPEED_400, port->i2c->regs + I2C_TIMING);
 	} else if (port_has_stv0367(port)) {
-		modname = "DUAL DVB-C/T";
+		port->name = "DUAL DVB-C/T";
 		port->class = DDB_PORT_TUNER;
 		port->type = DDB_TUNER_DVBCT_ST;
-		ddbwritel(I2C_SPEED_100, port->i2c->regs + I2C_TIMING);
+		port->type_name = "DVBCT_ST";
+		ddbwritel(dev, I2C_SPEED_100, port->i2c->regs + I2C_TIMING);
+	} else if (port_has_encti(port)) {
+		port->name = "ENCTI";
+		port->class = DDB_PORT_LOOP;
 	}
+}
+
+
+/****************************************************************************/
+/****************************************************************************/
+/****************************************************************************/
+
+static int wait_ci_ready(struct ddb_ci *ci)
+{
+	u32 count = 10;
+
+	ndelay(500);
+	do {
+		if (ddbreadl(ci->port->dev,
+			     CI_CONTROL(ci->nr)) & CI_READY)
+			break;
+		usleep_range(1, 2);
+		if ((--count) == 0)
+			return -1;
+	} while (1);
+	return 0;
+}
+
+static int read_attribute_mem(struct dvb_ca_en50221 *ca,
+			      int slot, int address)
+{
+	struct ddb_ci *ci = ca->data;
+	u32 val, off = (address >> 1) & (CI_BUFFER_SIZE - 1);
+
+	if (address > CI_BUFFER_SIZE)
+		return -1;
+	ddbwritel(ci->port->dev, CI_READ_CMD | (1 << 16) | address,
+		  CI_DO_READ_ATTRIBUTES(ci->nr));
+	wait_ci_ready(ci);
+	val = 0xff & ddbreadl(ci->port->dev, CI_BUFFER(ci->nr) + off);
+	return val;
+}
+
+static int write_attribute_mem(struct dvb_ca_en50221 *ca, int slot,
+			       int address, u8 value)
+{
+	struct ddb_ci *ci = ca->data;
+
+	ddbwritel(ci->port->dev, CI_WRITE_CMD | (value << 16) | address,
+		  CI_DO_ATTRIBUTE_RW(ci->nr));
+	wait_ci_ready(ci);
+	return 0;
+}
+
+static int read_cam_control(struct dvb_ca_en50221 *ca,
+			    int slot, u8 address)
+{
+	u32 count = 100;
+	struct ddb_ci *ci = ca->data;
+	u32 res;
+
+	ddbwritel(ci->port->dev, CI_READ_CMD | address,
+		  CI_DO_IO_RW(ci->nr));
+	ndelay(500);
+	do {
+		res = ddbreadl(ci->port->dev, CI_READDATA(ci->nr));
+		if (res & CI_READY)
+			break;
+		usleep_range(1, 2);
+		if ((--count) == 0)
+			return -1;
+	} while (1);
+	return 0xff & res;
+}
+
+static int write_cam_control(struct dvb_ca_en50221 *ca, int slot,
+			     u8 address, u8 value)
+{
+	struct ddb_ci *ci = ca->data;
+
+	ddbwritel(ci->port->dev, CI_WRITE_CMD | (value << 16) | address,
+		  CI_DO_IO_RW(ci->nr));
+	wait_ci_ready(ci);
+	return 0;
+}
+
+static int slot_reset(struct dvb_ca_en50221 *ca, int slot)
+{
+	struct ddb_ci *ci = ca->data;
+
+	ddbwritel(ci->port->dev, CI_POWER_ON,
+		  CI_CONTROL(ci->nr));
+	msleep(100);
+	ddbwritel(ci->port->dev, CI_POWER_ON | CI_RESET_CAM,
+		  CI_CONTROL(ci->nr));
+	ddbwritel(ci->port->dev, CI_ENABLE | CI_POWER_ON | CI_RESET_CAM,
+		  CI_CONTROL(ci->nr));
+	udelay(20);
+	ddbwritel(ci->port->dev, CI_ENABLE | CI_POWER_ON,
+		  CI_CONTROL(ci->nr));
+	return 0;
+}
+
+static int slot_shutdown(struct dvb_ca_en50221 *ca, int slot)
+{
+	struct ddb_ci *ci = ca->data;
+
+	ddbwritel(ci->port->dev, 0, CI_CONTROL(ci->nr));
+	msleep(300);
+	return 0;
+}
+
+static int slot_ts_enable(struct dvb_ca_en50221 *ca, int slot)
+{
+	struct ddb_ci *ci = ca->data;
+	u32 val = ddbreadl(ci->port->dev, CI_CONTROL(ci->nr));
+
+	ddbwritel(ci->port->dev, val | CI_BYPASS_DISABLE,
+		  CI_CONTROL(ci->nr));
+	return 0;
+}
+
+static int poll_slot_status(struct dvb_ca_en50221 *ca, int slot, int open)
+{
+	struct ddb_ci *ci = ca->data;
+	u32 val = ddbreadl(ci->port->dev, CI_CONTROL(ci->nr));
+	int stat = 0;
+
+	if (val & CI_CAM_DETECT)
+		stat |= DVB_CA_EN50221_POLL_CAM_PRESENT;
+	if (val & CI_CAM_READY)
+		stat |= DVB_CA_EN50221_POLL_CAM_READY;
+	return stat;
+}
+
+static struct dvb_ca_en50221 en_templ = {
+	.read_attribute_mem  = read_attribute_mem,
+	.write_attribute_mem = write_attribute_mem,
+	.read_cam_control    = read_cam_control,
+	.write_cam_control   = write_cam_control,
+	.slot_reset          = slot_reset,
+	.slot_shutdown       = slot_shutdown,
+	.slot_ts_enable      = slot_ts_enable,
+	.poll_slot_status    = poll_slot_status,
+};
+
+static void ci_attach(struct ddb_port *port)
+{
+	struct ddb_ci *ci = 0;
+
+	ci = kzalloc(sizeof(*ci), GFP_KERNEL);
+	if (!ci)
+		return;
+	memcpy(&ci->en, &en_templ, sizeof(en_templ));
+	ci->en.data = ci;
+	port->en = &ci->en;
+	ci->port = port;
+	ci->nr = port->nr - 2;
+}
+
+/****************************************************************************/
+/****************************************************************************/
+/****************************************************************************/
+
+static int write_creg(struct ddb_ci *ci, u8 data, u8 mask)
+{
+	struct i2c_adapter *i2c = &ci->port->i2c->adap;
+	u8 adr = (ci->port->type == DDB_CI_EXTERNAL_XO2) ? 0x12 : 0x13;
+
+	ci->port->creg = (ci->port->creg & ~mask) | data;
+	return i2c_write_reg(i2c, adr, 0x02, ci->port->creg);
+}
+
+static int read_attribute_mem_xo2(struct dvb_ca_en50221 *ca,
+				  int slot, int address)
+{
+	struct ddb_ci *ci = ca->data;
+	struct i2c_adapter *i2c = &ci->port->i2c->adap;
+	u8 adr = (ci->port->type == DDB_CI_EXTERNAL_XO2) ? 0x12 : 0x13;
+	int res;
+	u8 val;
+
+	res = i2c_read_reg16(i2c, adr, 0x8000 | address, &val);
+	return res ? res : val;
+}
+
+static int write_attribute_mem_xo2(struct dvb_ca_en50221 *ca, int slot,
+				   int address, u8 value)
+{
+	struct ddb_ci *ci = ca->data;
+	struct i2c_adapter *i2c = &ci->port->i2c->adap;
+	u8 adr = (ci->port->type == DDB_CI_EXTERNAL_XO2) ? 0x12 : 0x13;
+
+	return i2c_write_reg16(i2c, adr, 0x8000 | address, value);
+}
+
+static int read_cam_control_xo2(struct dvb_ca_en50221 *ca,
+				int slot, u8 address)
+{
+	struct ddb_ci *ci = ca->data;
+	struct i2c_adapter *i2c = &ci->port->i2c->adap;
+	u8 adr = (ci->port->type == DDB_CI_EXTERNAL_XO2) ? 0x12 : 0x13;
+	u8 val;
+	int res;
+
+	res = i2c_read_reg(i2c, adr, 0x20 | (address & 3), &val);
+	return res ? res : val;
+}
+
+static int write_cam_control_xo2(struct dvb_ca_en50221 *ca, int slot,
+				 u8 address, u8 value)
+{
+	struct ddb_ci *ci = ca->data;
+	struct i2c_adapter *i2c = &ci->port->i2c->adap;
+	u8 adr = (ci->port->type == DDB_CI_EXTERNAL_XO2) ? 0x12 : 0x13;
+
+	return i2c_write_reg(i2c, adr, 0x20 | (address & 3), value);
+}
+
+static int slot_reset_xo2(struct dvb_ca_en50221 *ca, int slot)
+{
+	struct ddb_ci *ci = ca->data;
+
+	dev_dbg(ci->port->dev->dev, "%s\n", __func__);
+	write_creg(ci, 0x01, 0x01);
+	write_creg(ci, 0x04, 0x04);
+	msleep(20);
+	write_creg(ci, 0x02, 0x02);
+	write_creg(ci, 0x00, 0x04);
+	write_creg(ci, 0x18, 0x18);
+	return 0;
+}
+
+static int slot_shutdown_xo2(struct dvb_ca_en50221 *ca, int slot)
+{
+	struct ddb_ci *ci = ca->data;
+
+	dev_dbg(ci->port->dev->dev, "%s\n", __func__);
+	write_creg(ci, 0x10, 0xff);
+	write_creg(ci, 0x08, 0x08);
+	return 0;
+}
+
+static int slot_ts_enable_xo2(struct dvb_ca_en50221 *ca, int slot)
+{
+	struct ddb_ci *ci = ca->data;
+
+	dev_info(ci->port->dev->dev, "%s\n", __func__);
+	write_creg(ci, 0x00, 0x10);
+	return 0;
+}
+
+static int poll_slot_status_xo2(struct dvb_ca_en50221 *ca, int slot, int open)
+{
+	struct ddb_ci *ci = ca->data;
+	struct i2c_adapter *i2c = &ci->port->i2c->adap;
+	u8 adr = (ci->port->type == DDB_CI_EXTERNAL_XO2) ? 0x12 : 0x13;
+	u8 val = 0;
+	int stat = 0;
+
+	i2c_read_reg(i2c, adr, 0x01, &val);
+
+	if (val & 2)
+		stat |= DVB_CA_EN50221_POLL_CAM_PRESENT;
+	if (val & 1)
+		stat |= DVB_CA_EN50221_POLL_CAM_READY;
+	return stat;
+}
+
+static struct dvb_ca_en50221 en_xo2_templ = {
+	.read_attribute_mem  = read_attribute_mem_xo2,
+	.write_attribute_mem = write_attribute_mem_xo2,
+	.read_cam_control    = read_cam_control_xo2,
+	.write_cam_control   = write_cam_control_xo2,
+	.slot_reset          = slot_reset_xo2,
+	.slot_shutdown       = slot_shutdown_xo2,
+	.slot_ts_enable      = slot_ts_enable_xo2,
+	.poll_slot_status    = poll_slot_status_xo2,
+};
 
-	dev_info(&dev->pdev->dev, "Port %d (TAB %d): %s\n",
-			 port->nr, port->nr+1, modname);
+static void ci_xo2_attach(struct ddb_port *port)
+{
+	struct ddb_ci *ci;
+
+	ci = kzalloc(sizeof(*ci), GFP_KERNEL);
+	if (!ci)
+		return;
+	memcpy(&ci->en, &en_xo2_templ, sizeof(en_xo2_templ));
+	ci->en.data = ci;
+	port->en = &ci->en;
+	ci->port = port;
+	ci->nr = port->nr - 2;
+	ci->port->creg = 0;
+	write_creg(ci, 0x10, 0xff);
+	write_creg(ci, 0x08, 0x08);
 }
 
 /****************************************************************************/
 /****************************************************************************/
 /****************************************************************************/
 
-static struct cxd2099_cfg cxd_cfg = {
-	.bitrate =  62000,
+struct cxd2099_cfg cxd_cfg = {
+	.bitrate =  72000,
 	.adr     =  0x40,
 	.polarity = 1,
 	.clock_mode = 1,

@@ -1397,33 +2242,36 @@ static struct cxd2099_cfg cxd_cfg = {
 
 static int ddb_ci_attach(struct ddb_port *port)
 {
-	int ret;
+	switch (port->type) {
+	case DDB_CI_EXTERNAL_SONY:
+		cxd_cfg.bitrate = ci_bitrate;
+		port->en = cxd2099_attach(&cxd_cfg, port, &port->i2c->adap);
+		if (!port->en)
+			return -ENODEV;
+		dvb_ca_en50221_init(port->dvb[0].adap,
+				    port->en, 0, 1);
+		break;
 
-	ret = dvb_register_adapter(&port->output->adap,
-				   "DDBridge",
-				   THIS_MODULE,
-				   &port->dev->pdev->dev,
-				   adapter_nr);
-	if (ret < 0)
-		return ret;
-	port->en = cxd2099_attach(&cxd_cfg, port, &port->i2c->adap);
-	if (!port->en) {
-		dvb_unregister_adapter(&port->output->adap);
-		return -ENODEV;
+	case DDB_CI_EXTERNAL_XO2:
+	case DDB_CI_EXTERNAL_XO2_B:
+		ci_xo2_attach(port);
+		if (!port->en)
+			return -ENODEV;
+		dvb_ca_en50221_init(port->dvb[0].adap, port->en, 0, 1);
+		break;
+
+	case DDB_CI_INTERNAL:
+		ci_attach(port);
+		if (!port->en)
+			return -ENODEV;
+		dvb_ca_en50221_init(port->dvb[0].adap, port->en, 0, 1);
+		break;
 	}
-	ddb_input_start(port->input[0]);
-	ddb_output_start(port->output);
-	dvb_ca_en50221_init(&port->output->adap,
-			    port->en, 0, 1);
-	ret = dvb_register_device(&port->output->adap, &port->output->dev,
-				  &dvbdev_ci, (void *) port->output,
-				  DVB_DEVICE_SEC, 0);
-	return ret;
+	return 0;
 }
 
 static int ddb_port_attach(struct ddb_port *port)
 {
-	struct device *dev = &port->dev->pdev->dev;
 	int ret = 0;
 
 	switch (port->class) {

@@ -1432,15 +2280,27 @@ static int ddb_port_attach(struct ddb_port *port)
 		if (ret < 0)
 			break;
 		ret = dvb_input_attach(port->input[1]);
+		if (ret < 0)
+			break;
+		port->input[0]->redi = port->input[0];
+		port->input[1]->redi = port->input[1];
 		break;
 	case DDB_PORT_CI:
 		ret = ddb_ci_attach(port);
+		if (ret < 0)
+			break;
+	case DDB_PORT_LOOP:
+		ret = dvb_register_device(port->dvb[0].adap,
+					  &port->dvb[0].dev,
+					  &dvbdev_ci, (void *) port->output,
+					  DVB_DEVICE_SEC, 0);
 		break;
 	default:
 		break;
 	}
 	if (ret < 0)
-		dev_err(dev, "port_attach on port %d failed\n", port->nr);
+		dev_err(port->dev->dev, "port_attach on port %d failed\n",
+			port->nr);
 	return ret;
 }
 

@@ -1449,11 +2309,16 @@ int ddb_ports_attach(struct ddb *dev)
 	int i, ret = 0;
 	struct ddb_port *port;
 
-	for (i = 0; i < dev->info->port_num; i++) {
+	if (dev->port_num) {
+		ret = dvb_register_adapters(dev);
+		if (ret < 0) {
+			dev_err(dev->dev, "Registering adapters failed. Check DVB_MAX_ADAPTERS in config.\n");
+			return ret;
+		}
+	}
+	for (i = 0; i < dev->port_num; i++) {
 		port = &dev->port[i];
 		ret = ddb_port_attach(port);
-		if (ret < 0)
-			break;
 	}
 	return ret;
 }

@@ -1463,132 +2328,346 @@ void ddb_ports_detach(struct ddb *dev)
 	int i;
 	struct ddb_port *port;
 
-	for (i = 0; i < dev->info->port_num; i++) {
+	for (i = 0; i < dev->port_num; i++) {
 		port = &dev->port[i];
+
 		switch (port->class) {
 		case DDB_PORT_TUNER:
 			dvb_input_detach(port->input[0]);
 			dvb_input_detach(port->input[1]);
 			break;
 		case DDB_PORT_CI:
-			dvb_unregister_device(port->output->dev);
+		case DDB_PORT_LOOP:
+			if (port->dvb[0].dev)
+				dvb_unregister_device(port->dvb[0].dev);
 			if (port->en) {
-				ddb_input_stop(port->input[0]);
-				ddb_output_stop(port->output);
 				dvb_ca_en50221_release(port->en);
 				kfree(port->en);
 				port->en = NULL;
-				dvb_unregister_adapter(&port->output->adap);
 			}
 			break;
 		}
 	}
+	dvb_unregister_adapters(dev);
 }
 
-static void input_tasklet(unsigned long data)
+
+/* Copy input DMA pointers to output DMA and ACK. */
+
+static void input_write_output(struct ddb_input *input,
+			       struct ddb_output *output)
 {
-	struct ddb_input *input = (struct ddb_input *) data;
-	struct ddb *dev = input->port->dev;
+	ddbwritel(output->port->dev,
+		  input->dma->stat, DMA_BUFFER_ACK(output->dma));
+	output->dma->cbuf = (input->dma->stat >> 11) & 0x1f;
+	output->dma->coff = (input->dma->stat & 0x7ff) << 7;
+}
 
-	spin_lock(&input->lock);
-	if (!input->running) {
-		spin_unlock(&input->lock);
-		return;
-	}
-	input->stat = ddbreadl(DMA_BUFFER_CURRENT(input->nr));
+static void output_ack_input(struct ddb_output *output,
+			     struct ddb_input *input)
+{
+	ddbwritel(input->port->dev,
+		  output->dma->stat, DMA_BUFFER_ACK(input->dma));
+}
 
-	if (input->port->class == DDB_PORT_TUNER) {
-		if (4&ddbreadl(DMA_BUFFER_CONTROL(input->nr)))
-			dev_err(&dev->pdev->dev, "Overflow input %d\n", input->nr);
-		while (input->cbuf != ((input->stat >> 11) & 0x1f)
-		       || (4 & safe_ddbreadl(dev, DMA_BUFFER_CONTROL(input->nr)))) {
-			dvb_dmx_swfilter_packets(&input->demux,
-						 input->vbuf[input->cbuf],
-						 input->dma_buf_size / 188);
+static void input_write_dvb(struct ddb_input *input,
+			    struct ddb_input *input2)
+{
+	struct ddb_dvb *dvb = &input2->port->dvb[input2->nr & 1];
+	struct ddb_dma *dma, *dma2;
+	struct ddb *dev = input->port->dev;
+	int ack = 1;
 
-			input->cbuf = (input->cbuf + 1) % input->dma_buf_num;
-			ddbwritel((input->cbuf << 11),
-				  DMA_BUFFER_ACK(input->nr));
-			input->stat = ddbreadl(DMA_BUFFER_CURRENT(input->nr));
-		       }
+	dma = dma2 = input->dma;
+	/* if there also is an output connected, do not ACK.
+	 * input_write_output will ACK.
+	 */
+	if (input->redo) {
+		dma2 = input->redo->dma;
+		ack = 0;
+	}
+	while (dma->cbuf != ((dma->stat >> 11) & 0x1f)
+	       || (4 & dma->ctrl)) {
+		if (4 & dma->ctrl) {
+			/* dev_err(dev->dev, "Overflow dma %d\n", dma->nr); */
+			ack = 1;
+		}
+		if (alt_dma)
+			dma_sync_single_for_cpu(dev->dev, dma2->pbuf[dma->cbuf],
+						dma2->size, DMA_FROM_DEVICE);
+		dvb_dmx_swfilter_packets(&dvb->demux,
+					 dma2->vbuf[dma->cbuf],
+					 dma2->size / 188);
+		dma->cbuf = (dma->cbuf + 1) % dma2->num;
+		if (ack)
+			ddbwritel(dev, (dma->cbuf << 11),
+				  DMA_BUFFER_ACK(dma));
+		dma->stat = safe_ddbreadl(dev, DMA_BUFFER_CURRENT(dma));
+		dma->ctrl = safe_ddbreadl(dev, DMA_BUFFER_CONTROL(dma));
 	}
-	if (input->port->class == DDB_PORT_CI)
-		wake_up(&input->wq);
-	spin_unlock(&input->lock);
 }
 
-static void output_tasklet(unsigned long data)
+static void input_work(struct work_struct *work)
 {
-	struct ddb_output *output = (struct ddb_output *) data;
-	struct ddb *dev = output->port->dev;
+	struct ddb_dma *dma = container_of(work, struct ddb_dma, work);
+	struct ddb_input *input = (struct ddb_input *) dma->io;
+	struct ddb *dev = input->port->dev;
+	unsigned long flags;
 
-	spin_lock(&output->lock);
-	if (!output->running) {
-		spin_unlock(&output->lock);
+	spin_lock_irqsave(&dma->lock, flags);
+	if (!dma->running) {
+		spin_unlock_irqrestore(&dma->lock, flags);
 		return;
 	}
-	output->stat = ddbreadl(DMA_BUFFER_CURRENT(output->nr + 8));
-	wake_up(&output->wq);
-	spin_unlock(&output->lock);
-}
+	dma->stat = ddbreadl(dev, DMA_BUFFER_CURRENT(dma));
+	dma->ctrl = ddbreadl(dev, DMA_BUFFER_CONTROL(dma));
 
-/****************************************************************************/
-/****************************************************************************/
+	if (input->redi)
+		input_write_dvb(input, input->redi);
+	if (input->redo)
+		input_write_output(input, input->redo);
+	wake_up(&dma->wq);
+	spin_unlock_irqrestore(&dma->lock, flags);
+}
 
-static void ddb_input_init(struct ddb_port *port, int nr)
+static void input_handler(unsigned long data)
 {
-	struct ddb *dev = port->dev;
-	struct ddb_input *input = &dev->input[nr];
+	struct ddb_input *input = (struct ddb_input *) data;
+	struct ddb_dma *dma = input->dma;
+
+
+	/* If there is no input connected, input_tasklet() will
+	 * just copy pointers and ACK. So, there is no need to go
+	 * through the tasklet scheduler.
+	 */
+	if (input->redi)
+		queue_work(ddb_wq, &dma->work);
+	else
+		input_work(&dma->work);
+}
 
+static void output_handler(unsigned long data)
+{
+	struct ddb_output *output = (struct ddb_output *) data;
+	struct ddb_dma *dma = output->dma;
+	struct ddb *dev = output->port->dev;
+
+	spin_lock(&dma->lock);
+	if (!dma->running) {
+		spin_unlock(&dma->lock);
+		return;
+	}
+	dma->stat = ddbreadl(dev, DMA_BUFFER_CURRENT(dma));
+	dma->ctrl = ddbreadl(dev, DMA_BUFFER_CONTROL(dma));
+	if (output->redi)
+		output_ack_input(output, output->redi);
+	wake_up(&dma->wq);
+	spin_unlock(&dma->lock);
+}
+
+/****************************************************************************/
+/****************************************************************************/
+
+static struct ddb_regmap *io_regmap(struct ddb_io *io, int link)
+{
+	struct ddb_info *info;
+
+	if (link)
+		info = io->port->dev->link[io->port->lnr].info;
+	else
+		info = io->port->dev->link[0].info;
+
+	if (!info)
+		return NULL;
+
+	return info->regmap;
+}
+
+static void ddb_dma_init(struct ddb_io *io, int nr, int out)
+{
+	struct ddb_dma *dma;
+	struct ddb_regmap *rm = io_regmap(io, 0);
+
+	dma = out ? &io->port->dev->odma[nr] : &io->port->dev->idma[nr];
+	io->dma = dma;
+	dma->io = io;
+
+	spin_lock_init(&dma->lock);
+	init_waitqueue_head(&dma->wq);
+	if (out) {
+		dma->regs = rm->odma->base + rm->odma->size * nr;
+		dma->bufregs = rm->odma_buf->base + rm->odma_buf->size * nr;
+		dma->num = OUTPUT_DMA_BUFS;
+		dma->size = OUTPUT_DMA_SIZE;
+		dma->div = OUTPUT_DMA_IRQ_DIV;
+	} else {
+		INIT_WORK(&dma->work, input_work);
+		dma->regs = rm->idma->base + rm->idma->size * nr;
+		dma->bufregs = rm->idma_buf->base + rm->idma_buf->size * nr;
+		dma->num = INPUT_DMA_BUFS;
+		dma->size = INPUT_DMA_SIZE;
+		dma->div = INPUT_DMA_IRQ_DIV;
+	}
+	ddbwritel(io->port->dev, 0, DMA_BUFFER_ACK(dma));
+	dev_dbg(io->port->dev->dev, "init link %u, io %u, dma %u, dmaregs %08x bufregs %08x\n",
+		io->port->lnr, io->nr, nr, dma->regs, dma->bufregs);
+}
+
+static void ddb_input_init(struct ddb_port *port, int nr, int pnr, int anr)
+{
+	struct ddb *dev = port->dev;
+	struct ddb_input *input = &dev->input[anr];
+	struct ddb_regmap *rm;
+
+	port->input[pnr] = input;
 	input->nr = nr;
 	input->port = port;
-	input->dma_buf_num = INPUT_DMA_BUFS;
-	input->dma_buf_size = INPUT_DMA_SIZE;
-	ddbwritel(0, TS_INPUT_CONTROL(nr));
-	ddbwritel(2, TS_INPUT_CONTROL(nr));
-	ddbwritel(0, TS_INPUT_CONTROL(nr));
-	ddbwritel(0, DMA_BUFFER_ACK(nr));
-	tasklet_init(&input->tasklet, input_tasklet, (unsigned long) input);
-	spin_lock_init(&input->lock);
-	init_waitqueue_head(&input->wq);
+	rm = io_regmap(input, 1);
+	input->regs = DDB_LINK_TAG(port->lnr) |
+		(rm->input->base + rm->input->size * nr);
+	dev_dbg(dev->dev, "init link %u, input %u, regs %08x\n",
+		port->lnr, nr, input->regs);
+
+	if (dev->has_dma) {
+		struct ddb_regmap *rm0 = io_regmap(input, 0);
+		u32 base = rm0->irq_base_idma;
+		u32 dma_nr = nr;
+
+		if (port->lnr)
+			dma_nr += 32 + (port->lnr - 1) * 8;
+
+		dev_dbg(dev->dev, "init link %u, input %u, handler %u\n",
+			 port->lnr, nr, dma_nr + base);
+
+		dev->handler[0][dma_nr + base] = input_handler;
+		dev->handler_data[0][dma_nr + base] = (unsigned long) input;
+		ddb_dma_init(input, dma_nr, 0);
+	}
 }
 
 static void ddb_output_init(struct ddb_port *port, int nr)
 {
 	struct ddb *dev = port->dev;
 	struct ddb_output *output = &dev->output[nr];
+	struct ddb_regmap *rm;
+
+	port->output = output;
 	output->nr = nr;
 	output->port = port;
-	output->dma_buf_num = OUTPUT_DMA_BUFS;
-	output->dma_buf_size = OUTPUT_DMA_SIZE;
+	rm = io_regmap(output, 1);
+	output->regs = DDB_LINK_TAG(port->lnr) |
+		(rm->output->base + rm->output->size * nr);
+
+	dev_dbg(dev->dev, "init link %u, output %u, regs %08x\n",
+		 port->lnr, nr, output->regs);
 
-	ddbwritel(0, TS_OUTPUT_CONTROL(nr));
-	ddbwritel(2, TS_OUTPUT_CONTROL(nr));
-	ddbwritel(0, TS_OUTPUT_CONTROL(nr));
-	tasklet_init(&output->tasklet, output_tasklet, (unsigned long) output);
-	init_waitqueue_head(&output->wq);
+	if (dev->has_dma) {
+		struct ddb_regmap *rm0 = io_regmap(output, 0);
+		u32 base = rm0->irq_base_odma;
+
+		dev->handler[0][nr + base] = output_handler;
+		dev->handler_data[0][nr + base] = (unsigned long) output;
+		ddb_dma_init(output, nr, 1);
+	}
+}
+
+static int ddb_port_match_i2c(struct ddb_port *port)
+{
+	struct ddb *dev = port->dev;
+	u32 i;
+
+	for (i = 0; i < dev->i2c_num; i++) {
+		if (dev->i2c[i].link == port->lnr &&
+		    dev->i2c[i].nr == port->nr) {
+			port->i2c = &dev->i2c[i];
+			return 1;
+		}
+	}
+	return 0;
 }
 
 void ddb_ports_init(struct ddb *dev)
 {
-	int i;
+	u32 i, l, p;
 	struct ddb_port *port;
+	struct ddb_info *info;
+	struct ddb_regmap *rm;
+
+	for (p = l = 0; l < DDB_MAX_LINK; l++) {
+		info = dev->link[l].info;
+		if (!info)
+			continue;
+		rm = info->regmap;
+		if (!rm)
+			continue;
+		for (i = 0; i < info->port_num; i++, p++) {
+			port = &dev->port[p];
+			port->dev = dev;
+			port->nr = i;
+			port->lnr = l;
+			port->pnr = p;
+			port->gap = 0xffffffff;
+			port->obr = ci_bitrate;
+			mutex_init(&port->i2c_gate_lock);
+
+			ddb_port_match_i2c(port);
+			ddb_port_probe(port);
+
+			port->dvb[0].adap = &dev->adap[2 * p];
+			port->dvb[1].adap = &dev->adap[2 * p + 1];
+
+			if ((port->class == DDB_PORT_NONE) && i &&
+			    dev->port[p - 1].type == DDB_CI_EXTERNAL_XO2) {
+				port->class = DDB_PORT_CI;
+				port->type = DDB_CI_EXTERNAL_XO2_B;
+				port->name = "DuoFlex CI_B";
+				port->i2c = dev->port[p - 1].i2c;
+			}
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index 9d28448524de..177775d7be4d 100644
@@ -37,6 +37,7 @@
 #include "ddbridge.h"
 #include "ddbridge-i2c.h"
 #include "ddbridge-regs.h"
+#include "ddbridge-io.h"
 
 #include "tda18271c2dd.h"
 #include "stv6110x.h"

index 376d8a7ca0b9..3d4fafb5db27 100644
@@ -33,6 +33,7 @@
 #include "ddbridge.h"
 #include "ddbridge-i2c.h"
 #include "ddbridge-regs.h"
+#include "ddbridge-io.h"
 
 /******************************************************************************/
 

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index dde938ad1247..5332fd89f359 100644
@@ -35,6 +35,7 @@
 #include "ddbridge.h"
 #include "ddbridge-i2c.h"
 #include "ddbridge-regs.h"
+#include "ddbridge-io.h"
 
 /****************************************************************************/
 /* module parameters */

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index 3790fd8465a4..7dddc7d3b405 100644
@@ -65,10 +65,6 @@
 
 #define DDBRIDGE_VERSION "0.9.29-integrated"
 
-#ifdef CONFIG_PCI_MSI
-#define DDB_USE_MSI_IRQHANDLERS
-#endif
-
 #define DDB_MAX_I2C    32
 #define DDB_MAX_PORT   32
 #define DDB_MAX_INPUT  64

@@ -378,9 +374,6 @@ void ddb_ports_detach(struct ddb *dev);
 void ddb_ports_release(struct ddb *dev);
 void ddb_buffers_free(struct ddb *dev);
 void ddb_device_destroy(struct ddb *dev);
-irqreturn_t irq_handler0(int irq, void *dev_id);
-irqreturn_t irq_handler1(int irq, void *dev_id);
-irqreturn_t irq_handler(int irq, void *dev_id);
 void ddb_ports_init(struct ddb *dev);
 int ddb_buffers_alloc(struct ddb *dev);
 int ddb_ports_attach(struct ddb *dev);

@@ -389,4 +382,9 @@ int ddb_class_create(void);
 void ddb_class_destroy(void);
 int ddb_init(struct ddb *dev);
 
+/* ddbridge-irq.c */
+irqreturn_t irq_handler0(int irq, void *dev_id);
+irqreturn_t irq_handler1(int irq, void *dev_id);
+irqreturn_t irq_handler(int irq, void *dev_id);
+
 #endif /* DDBRIDGE_H */

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index 7dddc7d3b405..726c0db16f12 100644
@@ -369,7 +369,6 @@ extern int stv0910_single;
 extern struct workqueue_struct *ddb_wq;
 
 /* ddbridge-core.c */
-extern struct ddb_regmap octopus_map;
 void ddb_ports_detach(struct ddb *dev);
 void ddb_ports_release(struct ddb *dev);
 void ddb_buffers_free(struct ddb *dev);

index 08440dcb5e6f..12bc8de980b5 100644
@@ -170,10 +170,10 @@ static int ddb_redirect(u32 i, u32 p)
 	struct ddb *pdev = ddbs[(p >> 4) & 0x3f];
 	struct ddb_port *port;
 
-	if (!idev->has_dma || !pdev->has_dma)
-		return -EINVAL;
 	if (!idev || !pdev)
 		return -EINVAL;
+	if (!idev->has_dma || !pdev->has_dma)
+		return -EINVAL;
 
 	port = &pdev->port[p & 0x0f];
 	if (!port->output)

index 12bc8de980b5..d01d54159008 100644
@@ -1506,23 +1506,25 @@ static int dvb_input_attach(struct ddb_input *input)
 		return 0;
 	}
 	dvb->attached = 0x30;
+
 	if (dvb->fe) {
 		if (dvb_register_frontend(adap, dvb->fe) < 0)
 			return -ENODEV;
+
+		if (dvb->fe2) {
+			if (dvb_register_frontend(adap, dvb->fe2) < 0)
+				return -ENODEV;
+			dvb->fe2->tuner_priv = dvb->fe->tuner_priv;
+			memcpy(&dvb->fe2->ops.tuner_ops,
+			       &dvb->fe->ops.tuner_ops,
+			       sizeof(struct dvb_tuner_ops));
+		}
 	}
-	if (dvb->fe2) {
-		if (dvb_register_frontend(adap, dvb->fe2) < 0)
-			return -ENODEV;
-		dvb->fe2->tuner_priv = dvb->fe->tuner_priv;
-		memcpy(&dvb->fe2->ops.tuner_ops,
-		       &dvb->fe->ops.tuner_ops,
-		       sizeof(struct dvb_tuner_ops));
-	}
+
 	dvb->attached = 0x31;
 	return 0;
 }
 
-
 static int port_has_encti(struct ddb_port *port)
 {
 	struct device *dev = port->dev->dev;