V4L/DVB: ngene: Initial check-in

Add Micronas nGene PCIe bridge driver.

The source code was provided by Micronas / Ralph Metzler,
and has been reformatted to comply with Linux Codingstyle.
Signed-off-by: NMatthias Benesch <twoof7@freenet.de>
Signed-off-by: NRalph Metzler <rjkm@metzlerbros.de>
Signed-off-by: NOliver Endriss <o.endriss@gmx.de>
Signed-off-by: NMauro Carvalho Chehab <mchehab@redhat.com>

drivers/media/dvb/ngene/ngene-core.c

+/*
+ * ngene.c: nGene PCIe bridge driver
+ *
+ * Copyright (C) 2005-2007 Micronas
+ *
+ * Copyright (C) 2008-2009 Ralph Metzler <rjkm@metzlerbros.de>
+ *                         Modifications for new nGene firmware,
+ *                         support for EEPROM-copying,
+ *                         support for new dual DVB-S2 card prototype
+ *
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * version 2 only, as published by the Free Software Foundation.
+ *
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+ * 02110-1301, USA
+ * Or, point your browser to http://www.gnu.org/copyleft/gpl.html
+ */
+
+#include <linux/module.h>
+#include <linux/init.h>
+#include <linux/delay.h>
+#include <linux/slab.h>
+#include <linux/poll.h>
+#include <asm/io.h>
+#include <asm/div64.h>
+#include <linux/pci.h>
+#include <linux/pci_ids.h>
+#include <linux/smp_lock.h>
+#include <linux/timer.h>
+#include <linux/version.h>
+#include <linux/byteorder/generic.h>
+#include <linux/firmware.h>
+
+#include "ngene.h"
+
+#ifdef NGENE_COMMAND_API
+#include "ngene-ioctls.h"
+#endif
+
+#define FW_INC 1
+#ifdef FW_INC
+#include "ngene_fw_15.h"
+#include "ngene_fw_16.h"
+#include "ngene_fw_17.h"
+
+DVB_DEFINE_MOD_OPT_ADAPTER_NR(adapter_nr);
+
+static int load_firmware;
+module_param(load_firmware, int, 0444);
+MODULE_PARM_DESC(load_firmware, "Try to load firmware from file.");
+#endif
+
+static int copy_eeprom;
+module_param(copy_eeprom, int, 0444);
+MODULE_PARM_DESC(copy_eeprom, "Copy eeprom.");
+
+static int ngene_fw_debug;
+module_param(ngene_fw_debug, int, 0444);
+MODULE_PARM_DESC(ngene_fw_debug, "Debug firmware.");
+
+static int debug;
+module_param(debug, int, 0444);
+MODULE_PARM_DESC(debug, "Print debugging information.");
+
+#define dprintk	if (debug) printk
+
+#define DEVICE_NAME "ngene"
+
+#define ngwriteb(dat, adr)         writeb((dat), (char *)(dev->iomem + (adr)))
+#define ngwritel(dat, adr)         writel((dat), (char *)(dev->iomem + (adr)))
+#define ngwriteb(dat, adr)         writeb((dat), (char *)(dev->iomem + (adr)))
+#define ngreadl(adr)               readl(dev->iomem + (adr))
+#define ngreadb(adr)               readb(dev->iomem + (adr))
+#define ngcpyto(adr, src, count)   memcpy_toio((char *) \
+				   (dev->iomem + (adr)), (src), (count))
+#define ngcpyfrom(dst, adr, count) memcpy_fromio((dst), (char *) \
+				   (dev->iomem + (adr)), (count))
+
+/****************************************************************************/
+/* Functions with missing kernel exports ************************************/
+/****************************************************************************/
+
+/* yeah, let's throw out all exports which are not used in kernel ... */
+
+void my_dvb_ringbuffer_flush(struct dvb_ringbuffer *rbuf)
+{
+	rbuf->pread = rbuf->pwrite;
+	rbuf->error = 0;
+}
+
+/****************************************************************************/
+/* nGene interrupt handler **************************************************/
+/****************************************************************************/
+
+static void event_tasklet(unsigned long data)
+{
+	struct ngene *dev = (struct ngene *)data;
+
+	while (dev->EventQueueReadIndex != dev->EventQueueWriteIndex) {
+		struct EVENT_BUFFER Event =
+			dev->EventQueue[dev->EventQueueReadIndex];
+		dev->EventQueueReadIndex =
+			(dev->EventQueueReadIndex + 1) & (EVENT_QUEUE_SIZE - 1);
+
+		if ((Event.UARTStatus & 0x01) && (dev->TxEventNotify))
+			dev->TxEventNotify(dev, Event.TimeStamp);
+		if ((Event.UARTStatus & 0x02) && (dev->RxEventNotify))
+			dev->RxEventNotify(dev, Event.TimeStamp,
+					   Event.RXCharacter);
+	}
+}
+
+static void demux_tasklet(unsigned long data)
+{
+	struct ngene_channel *chan = (struct ngene_channel *)data;
+	struct SBufferHeader *Cur = chan->nextBuffer;
+
+	spin_lock_irq(&chan->state_lock);
+
+	while (Cur->ngeneBuffer.SR.Flags & 0x80) {
+		if (chan->mode & NGENE_IO_TSOUT) {
+			u32 Flags = chan->DataFormatFlags;
+			if (Cur->ngeneBuffer.SR.Flags & 0x20)
+				Flags |= BEF_OVERFLOW;
+			if (chan->pBufferExchange) {
+				if (!chan->pBufferExchange(chan,
+							   Cur->Buffer1,
+							   chan->Capture1Length,
+							   Cur->ngeneBuffer.SR.
+							   Clock, Flags)) {
+					/*
+					   We didn't get data
+					   Clear in service flag to make sure we
+					   get called on next interrupt again.
+					   leave fill/empty (0x80) flag alone
+					   to avoid hardware running out of
+					   buffers during startup, we hold only
+					   in run state ( the source may be late
+					   delivering data )
+					*/
+
+					if (chan->HWState == HWSTATE_RUN) {
+						Cur->ngeneBuffer.SR.Flags &=
+							~0x40;
+						break;
+						/* Stop proccessing stream */
+					}
+				} else {
+					/* We got a valid buffer,
+					   so switch to run state */
+					chan->HWState = HWSTATE_RUN;
+				}
+			} else {
+				printk(KERN_ERR DEVICE_NAME ": OOPS\n");
+				if (chan->HWState == HWSTATE_RUN) {
+					Cur->ngeneBuffer.SR.Flags &= ~0x40;
+					break;	/* Stop proccessing stream */
+				}
+			}
+			if (chan->AudioDTOUpdated) {
+				printk(KERN_INFO DEVICE_NAME
+				       ": Update AudioDTO = %d\n",
+				       chan->AudioDTOValue);
+				Cur->ngeneBuffer.SR.DTOUpdate =
+					chan->AudioDTOValue;
+				chan->AudioDTOUpdated = 0;
+			}
+		} else {
+			if (chan->HWState == HWSTATE_RUN) {
+				u32 Flags = 0;
+				if (Cur->ngeneBuffer.SR.Flags & 0x01)
+					Flags |= BEF_EVEN_FIELD;
+				if (Cur->ngeneBuffer.SR.Flags & 0x20)
+					Flags |= BEF_OVERFLOW;
+				if (chan->pBufferExchange)
+					chan->pBufferExchange(chan,
+							      Cur->Buffer1,
+							      chan->
+							      Capture1Length,
+							      Cur->ngeneBuffer.
+							      SR.Clock, Flags);
+				if (chan->pBufferExchange2)
+					chan->pBufferExchange2(chan,
+							       Cur->Buffer2,
+							       chan->
+							       Capture2Length,
+							       Cur->ngeneBuffer.
+							       SR.Clock, Flags);
+			} else if (chan->HWState != HWSTATE_STOP)
+				chan->HWState = HWSTATE_RUN;
+		}
+		Cur->ngeneBuffer.SR.Flags = 0x00;
+		Cur = Cur->Next;
+	}
+	chan->nextBuffer = Cur;
+
+	spin_unlock_irq(&chan->state_lock);
+}
+
+static irqreturn_t irq_handler(int irq, void *dev_id)
+{
+	struct ngene *dev = (struct ngene *)dev_id;
+	u32 icounts = 0;
+	irqreturn_t rc = IRQ_NONE;
+	u32 i = MAX_STREAM;
+	u8 *tmpCmdDoneByte;
+
+	if (dev->BootFirmware) {
+		icounts = ngreadl(NGENE_INT_COUNTS);
+		if (icounts != dev->icounts) {
+			ngwritel(0, FORCE_NMI);
+			dev->cmd_done = 1;
+			wake_up(&dev->cmd_wq);
+			dev->icounts = icounts;
+			rc = IRQ_HANDLED;
+		}
+		return rc;
+	}
+
+	ngwritel(0, FORCE_NMI);
+
+	spin_lock(&dev->cmd_lock);
+	tmpCmdDoneByte = dev->CmdDoneByte;
+	if (tmpCmdDoneByte &&
+	    (*tmpCmdDoneByte ||
+	    (dev->ngenetohost[0] == 1 && dev->ngenetohost[1] != 0))) {
+		dev->CmdDoneByte = NULL;
+		dev->cmd_done = 1;
+		wake_up(&dev->cmd_wq);
+		rc = IRQ_HANDLED;
+	}
+	spin_unlock(&dev->cmd_lock);
+
+	if (dev->EventBuffer->EventStatus & 0x80) {
+		u8 nextWriteIndex =
+			(dev->EventQueueWriteIndex + 1) &
+			(EVENT_QUEUE_SIZE - 1);
+		if (nextWriteIndex != dev->EventQueueReadIndex) {
+			dev->EventQueue[dev->EventQueueWriteIndex] =
+				*(dev->EventBuffer);
+			dev->EventQueueWriteIndex = nextWriteIndex;
+		} else {
+			printk(KERN_ERR DEVICE_NAME ": event overflow\n");
+			dev->EventQueueOverflowCount += 1;
+			dev->EventQueueOverflowFlag = 1;
+		}
+		dev->EventBuffer->EventStatus &= ~0x80;
+		tasklet_schedule(&dev->event_tasklet);
+		rc = IRQ_HANDLED;
+	}
+
+	while (i > 0) {
+		i--;
+		spin_lock(&dev->channel[i].state_lock);
+		/* if (dev->channel[i].State>=KSSTATE_RUN) { */
+		if (dev->channel[i].nextBuffer) {
+			if ((dev->channel[i].nextBuffer->
+			     ngeneBuffer.SR.Flags & 0xC0) == 0x80) {
+				dev->channel[i].nextBuffer->
+					ngeneBuffer.SR.Flags |= 0x40;
+				tasklet_schedule(
+					&dev->channel[i].demux_tasklet);
+				rc = IRQ_HANDLED;
+			}
+		}
+		spin_unlock(&dev->channel[i].state_lock);
+	}
+
+	return rc;
+}
+
+/****************************************************************************/
+/* nGene command interface **************************************************/
+/****************************************************************************/
+
+static int ngene_command_mutex(struct ngene *dev, struct ngene_command *com)
+{
+	int ret;
+	u8 *tmpCmdDoneByte;
+
+	dev->cmd_done = 0;
+
+	if (com->cmd.hdr.Opcode == CMD_FWLOAD_PREPARE) {
+		dev->BootFirmware = 1;
+		dev->icounts = ngreadl(NGENE_INT_COUNTS);
+		ngwritel(0, NGENE_COMMAND);
+		ngwritel(0, NGENE_COMMAND_HI);
+		ngwritel(0, NGENE_STATUS);
+		ngwritel(0, NGENE_STATUS_HI);
+		ngwritel(0, NGENE_EVENT);
+		ngwritel(0, NGENE_EVENT_HI);
+	} else if (com->cmd.hdr.Opcode == CMD_FWLOAD_FINISH) {
+		u64 fwio = dev->PAFWInterfaceBuffer;
+
+		ngwritel(fwio & 0xffffffff, NGENE_COMMAND);
+		ngwritel(fwio >> 32, NGENE_COMMAND_HI);
+		ngwritel((fwio + 256) & 0xffffffff, NGENE_STATUS);
+		ngwritel((fwio + 256) >> 32, NGENE_STATUS_HI);
+		ngwritel((fwio + 512) & 0xffffffff, NGENE_EVENT);
+		ngwritel((fwio + 512) >> 32, NGENE_EVENT_HI);
+	}
+
+	memcpy(dev->FWInterfaceBuffer, com->cmd.raw8, com->in_len + 2);
+
+	if (dev->BootFirmware)
+		ngcpyto(HOST_TO_NGENE, com->cmd.raw8, com->in_len + 2);
+
+	spin_lock_irq(&dev->cmd_lock);
+	tmpCmdDoneByte = dev->ngenetohost + com->out_len;
+	if (!com->out_len)
+		tmpCmdDoneByte++;
+	*tmpCmdDoneByte = 0;
+	dev->ngenetohost[0] = 0;
+	dev->ngenetohost[1] = 0;
+	dev->CmdDoneByte = tmpCmdDoneByte;
+	spin_unlock_irq(&dev->cmd_lock);
+
+	/* Notify 8051. */
+	ngwritel(1, FORCE_INT);
+
+	ret = wait_event_timeout(dev->cmd_wq, dev->cmd_done == 1, 2 * HZ);
+	if (!ret) {
+		/*ngwritel(0, FORCE_NMI);*/
+
+		printk(KERN_ERR DEVICE_NAME
+		       ": Command timeout cmd=%02x prev=%02x\n",
+		       com->cmd.hdr.Opcode, dev->prev_cmd);
+		return -1;
+	}
+	if (com->cmd.hdr.Opcode == CMD_FWLOAD_FINISH)
+		dev->BootFirmware = 0;
+
+	dev->prev_cmd = com->cmd.hdr.Opcode;
+	msleep(10);
+
+	if (!com->out_len)
+		return 0;
+
+	memcpy(com->cmd.raw8, dev->ngenetohost, com->out_len);
+
+	return 0;
+}
+
+static int ngene_command(struct ngene *dev, struct ngene_command *com)
+{
+	int result;
+
+	down(&dev->cmd_mutex);
+	result = ngene_command_mutex(dev, com);
+	up(&dev->cmd_mutex);
+	return result;
+}
+
+int ngene_command_nop(struct ngene *dev)
+{
+	struct ngene_command com;
+
+	com.cmd.hdr.Opcode = CMD_NOP;
+	com.cmd.hdr.Length = 0;
+	com.in_len = 0;
+	com.out_len = 0;
+
+	return ngene_command(dev, &com);
+}
+
+int ngene_command_i2c_read(struct ngene *dev, u8 adr,
+			   u8 *out, u8 outlen, u8 *in, u8 inlen, int flag)
+{
+	struct ngene_command com;
+
+	com.cmd.hdr.Opcode = CMD_I2C_READ;
+	com.cmd.hdr.Length = outlen + 3;
+	com.cmd.I2CRead.Device = adr << 1;
+	memcpy(com.cmd.I2CRead.Data, out, outlen);
+	com.cmd.I2CRead.Data[outlen] = inlen;
+	com.cmd.I2CRead.Data[outlen + 1] = 0;
+	com.in_len = outlen + 3;
+	com.out_len = inlen + 1;
+
+	if (ngene_command(dev, &com) < 0)
+		return -EIO;
+
+	if ((com.cmd.raw8[0] >> 1) != adr)
+		return -EIO;
+
+	if (flag)
+		memcpy(in, com.cmd.raw8, inlen + 1);
+	else
+		memcpy(in, com.cmd.raw8 + 1, inlen);
+	return 0;
+}
+
+int ngene_command_i2c_write(struct ngene *dev, u8 adr, u8 *out, u8 outlen)
+{
+	struct ngene_command com;
+
+
+	com.cmd.hdr.Opcode = CMD_I2C_WRITE;
+	com.cmd.hdr.Length = outlen + 1;
+	com.cmd.I2CRead.Device = adr << 1;
+	memcpy(com.cmd.I2CRead.Data, out, outlen);
+	com.in_len = outlen + 1;
+	com.out_len = 1;
+
+	if (ngene_command(dev, &com) < 0)
+		return -EIO;
+
+	if (com.cmd.raw8[0] == 1)
+		return -EIO;
+
+	return 0;
+}
+
+static int ngene_command_load_firmware(struct ngene *dev,
+				       u8 *ngene_fw, u32 size)
+{
+#define FIRSTCHUNK (1024)
+	u32 cleft;
+	struct ngene_command com;
+
+	com.cmd.hdr.Opcode = CMD_FWLOAD_PREPARE;
+	com.cmd.hdr.Length = 0;
+	com.in_len = 0;
+	com.out_len = 0;
+
+	ngene_command(dev, &com);
+
+	cleft = (size + 3) & ~3;
+	if (cleft > FIRSTCHUNK) {
+		ngcpyto(PROGRAM_SRAM + FIRSTCHUNK, ngene_fw + FIRSTCHUNK,
+			cleft - FIRSTCHUNK);
+		cleft = FIRSTCHUNK;
+	}
+	ngene_fw[FW_DEBUG_DEFAULT - PROGRAM_SRAM] = ngene_fw_debug;
+	ngcpyto(DATA_FIFO_AREA, ngene_fw, cleft);
+
+	memset(&com, 0, sizeof(struct ngene_command));
+	com.cmd.hdr.Opcode = CMD_FWLOAD_FINISH;
+	com.cmd.hdr.Length = 4;
+	com.cmd.FWLoadFinish.Address = DATA_FIFO_AREA;
+	com.cmd.FWLoadFinish.Length = (unsigned short)cleft;
+	com.in_len = 4;
+	com.out_len = 0;
+
+	return ngene_command(dev, &com);
+}
+
+int ngene_command_imem_read(struct ngene *dev, u8 adr, u8 *data, int type)
+{
+	struct ngene_command com;
+
+	com.cmd.hdr.Opcode = type ? CMD_SFR_READ : CMD_IRAM_READ;
+	com.cmd.hdr.Length = 1;
+	com.cmd.SfrIramRead.address = adr;
+	com.in_len = 1;
+	com.out_len = 2;
+
+	if (ngene_command(dev, &com) < 0)
+		return -EIO;
+
+	*data = com.cmd.raw8[1];
+	return 0;
+}
+
+int ngene_command_imem_write(struct ngene *dev, u8 adr, u8 data, int type)
+{
+	struct ngene_command com;
+
+	com.cmd.hdr.Opcode = type ? CMD_SFR_WRITE : CMD_IRAM_WRITE;
+	com.cmd.hdr.Length = 2;
+	com.cmd.SfrIramWrite.address = adr;
+	com.cmd.SfrIramWrite.data = data;
+	com.in_len = 2;
+	com.out_len = 1;
+
+	if (ngene_command(dev, &com) < 0)
+		return -EIO;
+
+	return 0;
+}
+
+static int ngene_command_config_uart(struct ngene *dev, u8 config,
+				     tx_cb_t *tx_cb, rx_cb_t *rx_cb)
+{
+	struct ngene_command com;
+
+	com.cmd.hdr.Opcode = CMD_CONFIGURE_UART;
+	com.cmd.hdr.Length = sizeof(struct FW_CONFIGURE_UART) - 2;
+	com.cmd.ConfigureUart.UartControl = config;
+	com.in_len = sizeof(struct FW_CONFIGURE_UART);
+	com.out_len = 0;
+
+	if (ngene_command(dev, &com) < 0)
+		return -EIO;
+
+	dev->TxEventNotify = tx_cb;
+	dev->RxEventNotify = rx_cb;
+
+	dprintk(KERN_DEBUG DEVICE_NAME ": Set UART config %02x.\n", config);
+
+	return 0;
+}
+
+static void tx_cb(struct ngene *dev, u32 ts)
+{
+	dev->tx_busy = 0;
+	wake_up_interruptible(&dev->tx_wq);
+}
+
+static void rx_cb(struct ngene *dev, u32 ts, u8 c)
+{
+	int rp = dev->uart_rp;
+	int nwp, wp = dev->uart_wp;
+
+	/* dprintk(KERN_DEBUG DEVICE_NAME ": %c\n", c); */
+	nwp = (wp + 1) % (UART_RBUF_LEN);
+	if (nwp == rp)
+		return;
+	dev->uart_rbuf[wp] = c;
+	dev->uart_wp = nwp;
+	wake_up_interruptible(&dev->rx_wq);
+}
+
+static int ngene_command_config_buf(struct ngene *dev, u8 config)
+{
+	struct ngene_command com;
+
+	com.cmd.hdr.Opcode = CMD_CONFIGURE_BUFFER;
+	com.cmd.hdr.Length = 1;
+	com.cmd.ConfigureBuffers.config = config;
+	com.in_len = 1;
+	com.out_len = 0;
+
+	if (ngene_command(dev, &com) < 0)
+		return -EIO;
+	return 0;
+}
+
+static int ngene_command_config_free_buf(struct ngene *dev, u8 *config)
+{
+	struct ngene_command com;
+
+	com.cmd.hdr.Opcode = CMD_CONFIGURE_FREE_BUFFER;
+	com.cmd.hdr.Length = 6;
+	memcpy(&com.cmd.ConfigureBuffers.config, config, 6);
+	com.in_len = 6;
+	com.out_len = 0;
+
+	if (ngene_command(dev, &com) < 0)
+		return -EIO;
+
+	return 0;
+}
+
+static int ngene_command_gpio_set(struct ngene *dev, u8 select, u8 level)
+{
+	struct ngene_command com;
+
+	com.cmd.hdr.Opcode = CMD_SET_GPIO_PIN;
+	com.cmd.hdr.Length = 1;
+	com.cmd.SetGpioPin.select = select | (level << 7);
+	com.in_len = 1;
+	com.out_len = 0;
+
+	return ngene_command(dev, &com);
+}
+
+/* The reset is only wired to GPIO4 on MicRacer Revision 1.10 !
+   Also better set bootdelay to 1 in nvram or less. */
+static void ngene_reset_decypher(struct ngene *dev)
+{
+	printk(KERN_INFO DEVICE_NAME ": Resetting Decypher.\n");
+	ngene_command_gpio_set(dev, 4, 0);
+	msleep(1);
+	ngene_command_gpio_set(dev, 4, 1);
+	msleep(2000);
+}
+
+/*
+ 02000640 is sample on rising edge.
+ 02000740 is sample on falling edge.
+ 02000040 is ignore "valid" signal
+
+ 0: FD_CTL1 Bit 7,6 must be 0,1
+    7   disable(fw controlled)
+    6   0-AUX,1-TS
+    5   0-par,1-ser
+    4   0-lsb/1-msb
+    3,2 reserved
+    1,0 0-no sync, 1-use ext. start, 2-use 0x47, 3-both
+ 1: FD_CTL2 has 3-valid must be hi, 2-use valid, 1-edge
+ 2: FD_STA is read-only. 0-sync
+ 3: FD_INSYNC is number of 47s to trigger "in sync".
+ 4: FD_OUTSYNC is number of 47s to trigger "out of sync".
+ 5: FD_MAXBYTE1 is low-order of bytes per packet.
+ 6: FD_MAXBYTE2 is high-order of bytes per packet.
+ 7: Top byte is unused.
+*/
+
+/****************************************************************************/
+
+static u8 TSFeatureDecoderSetup[8 * 4] = {
+	0x42, 0x00, 0x00, 0x02, 0x02, 0xbc, 0x00, 0x00,
+	0x40, 0x06, 0x00, 0x02, 0x02, 0xbc, 0x00, 0x00,	/* DRXH */
+	0x71, 0x07, 0x00, 0x02, 0x02, 0xbc, 0x00, 0x00,	/* DRXHser */
+	0x72, 0x06, 0x00, 0x02, 0x02, 0xbc, 0x00, 0x00,	/* S2ser */
+};
+
+/* Set NGENE I2S Config to 16 bit packed */
+static u8 I2SConfiguration[] = {
+	0x00, 0x10, 0x00, 0x00,
+	0x80, 0x10, 0x00, 0x00,
+};
+
+static u8 SPDIFConfiguration[10] = {
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
+};
+
+/* Set NGENE I2S Config to transport stream compatible mode */
+
+static u8 TS_I2SConfiguration[4] = { 0x3E, 0x1A, 0x00, 0x00 }; /*3e 18 00 00 ?*/
+
+static u8 TS_I2SOutConfiguration[4] = { 0x80, 0x20, 0x00, 0x00 };
+
+static u8 ITUDecoderSetup[4][16] = {
+	{0x1c, 0x13, 0x01, 0x68, 0x3d, 0x90, 0x14, 0x20,  /* SDTV */
+	 0x00, 0x00, 0x01, 0xb0, 0x9c, 0x00, 0x00, 0x00},
+	{0x9c, 0x03, 0x23, 0xC0, 0x60, 0x0E, 0x13, 0x00,
+	 0x00, 0x00, 0x00, 0x01, 0xB0, 0x00, 0x00, 0x00},
+	{0x9f, 0x00, 0x23, 0xC0, 0x60, 0x0F, 0x13, 0x00,  /* HDTV 1080i50 */
+	 0x00, 0x00, 0x00, 0x01, 0xB0, 0x00, 0x00, 0x00},
+	{0x9c, 0x01, 0x23, 0xC0, 0x60, 0x0E, 0x13, 0x00,  /* HDTV 1080i60 */
+	 0x00, 0x00, 0x00, 0x01, 0xB0, 0x00, 0x00, 0x00},
+};
+
+/*
+ * 50 48 60 gleich
+ * 27p50 9f 00 22 80 42 69 18 ...
+ * 27p60 93 00 22 80 82 69 1c ...
+ */
+
+/* Maxbyte to 1144 (for raw data) */
+static u8 ITUFeatureDecoderSetup[8] = {
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x78, 0x04, 0x00
+};
+
+static void FillTSBuffer(void *Buffer, int Length, u32 Flags)
+{
+	u32 *ptr = Buffer;
+
+	memset(Buffer, Length, 0xff);
+	while (Length > 0) {
+		if (Flags & DF_SWAP32)
+			*ptr = 0x471FFF10;
+		else
+			*ptr = 0x10FF1F47;
+		ptr += (188 / 4);
+		Length -= 188;
+	}
+}
+
+static void clear_tsin(struct ngene_channel *chan)
+{
+	struct SBufferHeader *Cur = chan->nextBuffer;
+
+	do {
+		memset(&Cur->ngeneBuffer.SR, 0, sizeof(Cur->ngeneBuffer.SR));
+		Cur = Cur->Next;
+	} while (Cur != chan->nextBuffer);
+}
+
+static void flush_buffers(struct ngene_channel *chan)
+{
+	u8 val;
+
+	do {
+		msleep(1);
+		spin_lock_irq(&chan->state_lock);
+		val = chan->nextBuffer->ngeneBuffer.SR.Flags & 0x80;
+		spin_unlock_irq(&chan->state_lock);
+	} while (val);
+}
+
+static void clear_buffers(struct ngene_channel *chan)
+{
+	struct SBufferHeader *Cur = chan->nextBuffer;
+
+	do {
+		memset(&Cur->ngeneBuffer.SR, 0, sizeof(Cur->ngeneBuffer.SR));
+		if (chan->mode & NGENE_IO_TSOUT)
+			FillTSBuffer(Cur->Buffer1,
+				     chan->Capture1Length,
+				     chan->DataFormatFlags);
+		Cur = Cur->Next;
+	} while (Cur != chan->nextBuffer);
+
+	if (chan->mode & NGENE_IO_TSOUT) {
+		chan->nextBuffer->ngeneBuffer.SR.DTOUpdate =
+			chan->AudioDTOValue;
+		chan->AudioDTOUpdated = 0;
+
+		Cur = chan->TSIdleBuffer.Head;
+
+		do {
+			memset(&Cur->ngeneBuffer.SR, 0,
+			       sizeof(Cur->ngeneBuffer.SR));
+			FillTSBuffer(Cur->Buffer1,
+				     chan->Capture1Length,
+				     chan->DataFormatFlags);
+			Cur = Cur->Next;
+		} while (Cur != chan->TSIdleBuffer.Head);
+	}
+}
+
+int ngene_command_stream_control(struct ngene *dev, u8 stream, u8 control,
+				 u8 mode, u8 flags)
+{
+	struct ngene_channel *chan = &dev->channel[stream];
+	struct ngene_command com;
+	u16 BsUVI = ((stream & 1) ? 0x9400 : 0x9300);
+	u16 BsSDI = ((stream & 1) ? 0x9600 : 0x9500);
+	u16 BsSPI = ((stream & 1) ? 0x9800 : 0x9700);
+	u16 BsSDO = 0x9B00;
+
+	/* down(&dev->stream_mutex); */
+	while (down_trylock(&dev->stream_mutex)) {
+		printk(KERN_INFO DEVICE_NAME ": SC locked\n");
+		msleep(1);
+	}
+	memset(&com, 0, sizeof(com));
+	com.cmd.hdr.Opcode = CMD_CONTROL;
+	com.cmd.hdr.Length = sizeof(struct FW_STREAM_CONTROL) - 2;
+	com.cmd.StreamControl.Stream = stream | (control ? 8 : 0);
+	if (chan->mode & NGENE_IO_TSOUT)
+		com.cmd.StreamControl.Stream |= 0x07;
+	com.cmd.StreamControl.Control = control |
+		(flags & SFLAG_ORDER_LUMA_CHROMA);
+	com.cmd.StreamControl.Mode = mode;
+	com.in_len = sizeof(struct FW_STREAM_CONTROL);
+	com.out_len = 0;
+
+	printk(KERN_INFO DEVICE_NAME ": Stream=%02x, Control=%02x, Mode=%02x\n",
+	       com.cmd.StreamControl.Stream, com.cmd.StreamControl.Control,
+	       com.cmd.StreamControl.Mode);
+	chan->Mode = mode;
+
+	if (!(control & 0x80)) {
+		spin_lock_irq(&chan->state_lock);
+		if (chan->State == KSSTATE_RUN) {
+			chan->State = KSSTATE_ACQUIRE;
+			chan->HWState = HWSTATE_STOP;
+			spin_unlock_irq(&chan->state_lock);
+			if (ngene_command(dev, &com) < 0) {
+				up(&dev->stream_mutex);
+				return -1;
+			}
+			/* clear_buffers(chan); */
+			flush_buffers(chan);
+			up(&dev->stream_mutex);
+			return 0;
+		}
+		spin_unlock_irq(&chan->state_lock);
+		up(&dev->stream_mutex);
+		return 0;
+	}
+
+	if (mode & SMODE_AUDIO_CAPTURE) {
+		com.cmd.StreamControl.CaptureBlockCount =
+			chan->Capture1Length / AUDIO_BLOCK_SIZE;
+		com.cmd.StreamControl.Buffer_Address = chan->RingBuffer.PAHead;
+	} else if (mode & SMODE_TRANSPORT_STREAM) {
+		com.cmd.StreamControl.CaptureBlockCount =
+			chan->Capture1Length / TS_BLOCK_SIZE;
+		com.cmd.StreamControl.MaxLinesPerField =
+			chan->Capture1Length / TS_BLOCK_SIZE;
+		com.cmd.StreamControl.Buffer_Address =
+			chan->TSRingBuffer.PAHead;
+		if (chan->mode & NGENE_IO_TSOUT) {
+			com.cmd.StreamControl.BytesPerVBILine =
+				chan->Capture1Length / TS_BLOCK_SIZE;
+			com.cmd.StreamControl.Stream |= 0x07;
+		}
+	} else {
+		com.cmd.StreamControl.BytesPerVideoLine = chan->nBytesPerLine;
+		com.cmd.StreamControl.MaxLinesPerField = chan->nLines;
+		com.cmd.StreamControl.MinLinesPerField = 100;
+		com.cmd.StreamControl.Buffer_Address = chan->RingBuffer.PAHead;
+
+		if (mode & SMODE_VBI_CAPTURE) {
+			com.cmd.StreamControl.MaxVBILinesPerField =
+				chan->nVBILines;
+			com.cmd.StreamControl.MinVBILinesPerField = 0;
+			com.cmd.StreamControl.BytesPerVBILine =
+				chan->nBytesPerVBILine;
+		}
+		if (flags & SFLAG_COLORBAR)
+			com.cmd.StreamControl.Stream |= 0x04;
+	}
+
+	spin_lock_irq(&chan->state_lock);
+	if (mode & SMODE_AUDIO_CAPTURE) {
+		chan->nextBuffer = chan->RingBuffer.Head;
+		if (mode & SMODE_AUDIO_SPDIF) {
+			com.cmd.StreamControl.SetupDataLen =
+				sizeof(SPDIFConfiguration);
+			com.cmd.StreamControl.SetupDataAddr = BsSPI;
+			memcpy(com.cmd.StreamControl.SetupData,
+			       SPDIFConfiguration, sizeof(SPDIFConfiguration));
+		} else {
+			com.cmd.StreamControl.SetupDataLen = 4;
+			com.cmd.StreamControl.SetupDataAddr = BsSDI;
+			memcpy(com.cmd.StreamControl.SetupData,
+			       I2SConfiguration +
+			       4 * dev->card_info->i2s[stream], 4);
+		}
+	} else if (mode & SMODE_TRANSPORT_STREAM) {
+		chan->nextBuffer = chan->TSRingBuffer.Head;
+		if (stream >= STREAM_AUDIOIN1) {
+			if (chan->mode & NGENE_IO_TSOUT) {
+				com.cmd.StreamControl.SetupDataLen =
+					sizeof(TS_I2SOutConfiguration);
+				com.cmd.StreamControl.SetupDataAddr = BsSDO;
+				memcpy(com.cmd.StreamControl.SetupData,
+				       TS_I2SOutConfiguration,
+				       sizeof(TS_I2SOutConfiguration));
+			} else {
+				com.cmd.StreamControl.SetupDataLen =
+					sizeof(TS_I2SConfiguration);
+				com.cmd.StreamControl.SetupDataAddr = BsSDI;
+				memcpy(com.cmd.StreamControl.SetupData,
+				       TS_I2SConfiguration,
+				       sizeof(TS_I2SConfiguration));
+			}
+		} else {
+			com.cmd.StreamControl.SetupDataLen = 8;
+			com.cmd.StreamControl.SetupDataAddr = BsUVI + 0x10;
+			memcpy(com.cmd.StreamControl.SetupData,
+			       TSFeatureDecoderSetup +
+			       8 * dev->card_info->tsf[stream], 8);
+		}
+	} else {
+		chan->nextBuffer = chan->RingBuffer.Head;
+		com.cmd.StreamControl.SetupDataLen =
+			16 + sizeof(ITUFeatureDecoderSetup);
+		com.cmd.StreamControl.SetupDataAddr = BsUVI;
+		memcpy(com.cmd.StreamControl.SetupData,
+		       ITUDecoderSetup[chan->itumode], 16);
+		memcpy(com.cmd.StreamControl.SetupData + 16,
+		       ITUFeatureDecoderSetup, sizeof(ITUFeatureDecoderSetup));
+	}
+	clear_buffers(chan);
+	chan->State = KSSTATE_RUN;
+	if (mode & SMODE_TRANSPORT_STREAM)
+		chan->HWState = HWSTATE_RUN;
+	else
+		chan->HWState = HWSTATE_STARTUP;
+	spin_unlock_irq(&chan->state_lock);
+
+	if (ngene_command(dev, &com) < 0) {
+		up(&dev->stream_mutex);
+		return -1;
+	}
+	up(&dev->stream_mutex);
+	return 0;
+}
+
+int ngene_stream_control(struct ngene *dev, u8 stream, u8 control, u8 mode,
+			 u16 lines, u16 bpl, u16 vblines, u16 vbibpl)
+{
+	if (!(mode & SMODE_TRANSPORT_STREAM))
+		return -EINVAL;
+
+	if (lines * bpl > MAX_VIDEO_BUFFER_SIZE)
+		return -EINVAL;
+
+	if ((mode & SMODE_TRANSPORT_STREAM) && (((bpl * lines) & 0xff) != 0))
+		return -EINVAL;
+
+	if ((mode & SMODE_VIDEO_CAPTURE) && (bpl & 7) != 0)
+		return -EINVAL;
+
+	return ngene_command_stream_control(dev, stream, control, mode, 0);
+}
+
+/****************************************************************************/
+/* I2C **********************************************************************/
+/****************************************************************************/
+
+static void ngene_i2c_set_bus(struct ngene *dev, int bus)
+{
+	if (!(dev->card_info->i2c_access & 2))
+		return;
+	if (dev->i2c_current_bus == bus)
+		return;
+
+	switch (bus) {
+	case 0:
+		ngene_command_gpio_set(dev, 3, 0);
+		ngene_command_gpio_set(dev, 2, 1);
+		break;
+
+	case 1:
+		ngene_command_gpio_set(dev, 2, 0);
+		ngene_command_gpio_set(dev, 3, 1);
+		break;
+	}
+	dev->i2c_current_bus = bus;
+}
+
+static int ngene_i2c_master_xfer(struct i2c_adapter *adapter,
+				 struct i2c_msg msg[], int num)
+{
+	struct ngene_channel *chan =
+		(struct ngene_channel *)i2c_get_adapdata(adapter);
+	struct ngene *dev = chan->dev;
+
+	down(&dev->i2c_switch_mutex);
+	ngene_i2c_set_bus(dev, chan->number);
+
+	if (num == 2 && msg[1].flags & I2C_M_RD && !(msg[0].flags & I2C_M_RD))
+		if (!ngene_command_i2c_read(dev, msg[0].addr,
+					    msg[0].buf, msg[0].len,
+					    msg[1].buf, msg[1].len, 0))
+			goto done;
+
+	if (num == 1 && !(msg[0].flags & I2C_M_RD))
+		if (!ngene_command_i2c_write(dev, msg[0].addr,
+					     msg[0].buf, msg[0].len))
+			goto done;
+	if (num == 1 && (msg[0].flags & I2C_M_RD))
+		if (!ngene_command_i2c_read(dev, msg[0].addr, 0, 0,
+					    msg[0].buf, msg[0].len, 0))
+			goto done;
+
+	up(&dev->i2c_switch_mutex);
+	return -EIO;
+
+done:
+	up(&dev->i2c_switch_mutex);
+	return num;
+}
+
+
+static int ngene_i2c_algo_control(struct i2c_adapter *adap,
+				  unsigned int cmd, unsigned long arg)
+{
+	struct ngene_channel *chan =
+		(struct ngene_channel *)i2c_get_adapdata(adap);
+
+	switch (cmd) {
+	case IOCTL_MIC_TUN_RDY:
+		chan->tun_rdy = 1;
+		if (chan->dec_rdy == 1)
+			chan->tun_dec_rdy = 1;
+		break;
+
+	case IOCTL_MIC_DEC_RDY:
+		chan->dec_rdy = 1;
+		if (chan->tun_rdy == 1)
+			chan->tun_dec_rdy = 1;
+		break;
+
+	case IOCTL_MIC_TUN_DETECT:
+		{
+			int *palorbtsc = (int *)arg;
+			*palorbtsc = chan->dev->card_info->ntsc;
+			break;
+		}
+
+	default:
+		break;
+	}
+	return 0;
+}
+
+static u32 ngene_i2c_functionality(struct i2c_adapter *adap)
+{
+	return I2C_FUNC_SMBUS_EMUL;
+}
+
+struct i2c_algorithm ngene_i2c_algo = {
+	.master_xfer = ngene_i2c_master_xfer,
+	.functionality = ngene_i2c_functionality,
+};
+
+static int ngene_i2c_attach(struct i2c_client *client)
+{
+	return 0;
+}
+
+static int ngene_i2c_detach(struct i2c_client *client)
+{
+	return 0;
+}
+
+static int ngene_i2c_init(struct ngene *dev, int dev_nr)
+{
+	struct i2c_adapter *adap = &(dev->channel[dev_nr].i2c_adapter);
+
+	i2c_set_adapdata(adap, &(dev->channel[dev_nr]));
+#ifdef I2C_ADAP_CLASS_TV_DIGITAL
+	adap->class = I2C_ADAP_CLASS_TV_DIGITAL | I2C_CLASS_TV_ANALOG;
+#else
+	adap->class = I2C_CLASS_TV_ANALOG;
+#endif
+
+	strcpy(adap->name, "nGene");
+
+	adap->id = I2C_HW_SAA7146;
+	adap->client_register = ngene_i2c_attach;
+	adap->client_unregister = ngene_i2c_detach;
+	adap->algo = &ngene_i2c_algo;
+	adap->algo_data = (void *)&(dev->channel[dev_nr]);
+
+	mutex_init(&adap->bus_lock);
+	return i2c_add_adapter(adap);
+}
+
+int i2c_write(struct i2c_adapter *adapter, u8 adr, u8 data)
+{
+	u8 m[1] = {data};
+	struct i2c_msg msg = {.addr = adr, .flags = 0, .buf = m, .len = 1};
+
+	if (i2c_transfer(adapter, &msg, 1) != 1) {
+		printk(KERN_ERR DEVICE_NAME
+		       ": Failed to write to I2C adr %02x!\n", adr);
+		return -1;
+	}
+	return 0;
+}
+
+static int i2c_write_register(struct i2c_adapter *adapter,
+			      u8 adr, u8 reg, u8 data)
+{
+	u8 m[2] = {reg, data};
+	struct i2c_msg msg = {.addr = adr, .flags = 0, .buf = m, .len = 2};
+
+	if (i2c_transfer(adapter, &msg, 1) != 1) {
+		printk(KERN_ERR DEVICE_NAME
+		       ": Failed to write to I2C register %02x@%02x!\n",
+		       reg, adr);
+		return -1;
+	}
+	return 0;
+}
+
+static int i2c_write_read(struct i2c_adapter *adapter,
+			  u8 adr, u8 *w, u8 wlen, u8 *r, u8 rlen)
+{
+	struct i2c_msg msgs[2] = {{.addr = adr, .flags = 0,
+				   .buf = w, .len = wlen},
+				  {.addr = adr, .flags = I2C_M_RD,
+				   .buf = r, .len = rlen} };
+
+	if (i2c_transfer(adapter, msgs, 2) != 2) {
+		printk(KERN_ERR DEVICE_NAME ": error in i2c_write_read\n");
+		return -1;
+	}
+	return 0;
+}
+
+static int test_dec_i2c(struct i2c_adapter *adapter, int reg)
+{
+	u8 data[256] = { reg, 0x00, 0x93, 0x78, 0x43, 0x45 };
+	u8 data2[256];
+	int i;
+
+	memset(data2, 0, 256);
+	i2c_write_read(adapter, 0x66, data, 2, data2, 4);
+	for (i = 0; i < 4; i++)
+		printk("%02x ", data2[i]);
+	printk("\n");
+
+	return 0;
+}
+
+
+/****************************************************************************/
+/* EEPROM TAGS **************************************************************/
+/****************************************************************************/
+
+#define MICNG_EE_START      0x0100
+#define MICNG_EE_END        0x0FF0
+
+#define MICNG_EETAG_END0    0x0000
+#define MICNG_EETAG_END1    0xFFFF
+
+/* 0x0001 - 0x000F reserved for housekeeping */
+/* 0xFFFF - 0xFFFE reserved for housekeeping */
+
+/* Micronas assigned tags
+   EEProm tags for hardware support */
+
+#define MICNG_EETAG_DRXD1_OSCDEVIATION  0x1000  /* 2 Bytes data */
+#define MICNG_EETAG_DRXD2_OSCDEVIATION  0x1001  /* 2 Bytes data */
+
+#define MICNG_EETAG_MT2060_1_1STIF      0x1100  /* 2 Bytes data */
+#define MICNG_EETAG_MT2060_2_1STIF      0x1101  /* 2 Bytes data */
+
+/* Tag range for OEMs */
+
+#define MICNG_EETAG_OEM_FIRST  0xC000
+#define MICNG_EETAG_OEM_LAST   0xFFEF
+
+static int i2c_write_eeprom(struct i2c_adapter *adapter,
+			    u8 adr, u16 reg, u8 data)
+{
+	u8 m[3] = {(reg >> 8), (reg & 0xff), data};
+	struct i2c_msg msg = {.addr = adr, .flags = 0, .buf = m,
+			      .len = sizeof(m)};
+
+	if (i2c_transfer(adapter, &msg, 1) != 1) {
+		dprintk(KERN_DEBUG DEVICE_NAME ": Error writing EEPROM!\n");
+		return -EIO;
+	}
+	return 0;
+}
+
+static int i2c_read_eeprom(struct i2c_adapter *adapter,
+			   u8 adr, u16 reg, u8 *data, int len)
+{
+	u8 msg[2] = {(reg >> 8), (reg & 0xff)};
+	struct i2c_msg msgs[2] = {{.addr = adr, .flags = 0,
+				   .buf = msg, .len = 2 },
+				  {.addr = adr, .flags = I2C_M_RD,
+				   .buf = data, .len = len} };
+
+	if (i2c_transfer(adapter, msgs, 2) != 2) {
+		dprintk(KERN_DEBUG DEVICE_NAME ": Error reading EEPROM\n");
+		return -EIO;
+	}
+	return 0;
+}
+
+static int ReadEEProm(struct i2c_adapter *adapter,
+		      u16 Tag, u32 MaxLen, u8 *data, u32 *pLength)
+{
+	int status = 0;
+	u16 Addr = MICNG_EE_START, Length, tag = 0;
+	u8  EETag[3];
+
+	while (Addr + sizeof(u16) + 1 < MICNG_EE_END) {
+		if (i2c_read_eeprom(adapter, 0x50, Addr, EETag, sizeof(EETag)))
+			return -1;
+		tag = (EETag[0] << 8) | EETag[1];
+		if (tag == MICNG_EETAG_END0 || tag == MICNG_EETAG_END1)
+			return -1;
+		if (tag == Tag)
+			break;
+		Addr += sizeof(u16) + 1 + EETag[2];
+	}
+	if (Addr + sizeof(u16) + 1 + EETag[2] > MICNG_EE_END) {
+		printk(KERN_ERR DEVICE_NAME
+		       ": Reached EOEE @ Tag = %04x Length = %3d\n",
+		       tag, EETag[2]);
+		return -1;
+	}
+	Length = EETag[2];
+	if (Length > MaxLen)
+		Length = (u16) MaxLen;
+	if (Length > 0) {
+		Addr += sizeof(u16) + 1;
+		status = i2c_read_eeprom(adapter, 0x50, Addr, data, Length);
+		if (!status) {
+			*pLength = EETag[2];
+			if (Length < EETag[2])
+				; /*status=STATUS_BUFFER_OVERFLOW; */
+		}
+	}
+	return status;
+}
+
+static int WriteEEProm(struct i2c_adapter *adapter,
+		       u16 Tag, u32 Length, u8 *data)
+{
+	int status = 0;
+	u16 Addr = MICNG_EE_START;
+	u8 EETag[3];
+	u16 tag = 0;
+	int retry, i;
+
+	while (Addr + sizeof(u16) + 1 < MICNG_EE_END) {
+		if (i2c_read_eeprom(adapter, 0x50, Addr, EETag, sizeof(EETag)))
+			return -1;
+		tag = (EETag[0] << 8) | EETag[1];
+		if (tag == MICNG_EETAG_END0 || tag == MICNG_EETAG_END1)
+			return -1;
+		if (tag == Tag)
+			break;
+		Addr += sizeof(u16) + 1 + EETag[2];
+	}
+	if (Addr + sizeof(u16) + 1 + EETag[2] > MICNG_EE_END) {
+		printk(KERN_ERR DEVICE_NAME
+		       ": Reached EOEE @ Tag = %04x Length = %3d\n",
+		       tag, EETag[2]);
+		return -1;
+	}
+
+	if (Length > EETag[2])
+		return -EINVAL;
+	/* Note: We write the data one byte at a time to avoid
+	   issues with page sizes. (which are different for
+	   each manufacture and eeprom size)
+	 */
+	Addr += sizeof(u16) + 1;
+	for (i = 0; i < Length; i++, Addr++) {
+		status = i2c_write_eeprom(adapter, 0x50, Addr, data[i]);
+
+		if (status)
+			break;
+
+		/* Poll for finishing write cycle */
+		retry = 10;
+		while (retry) {
+			u8 Tmp;
+
+			msleep(50);
+			status = i2c_read_eeprom(adapter, 0x50, Addr, &Tmp, 1);
+			if (status)
+				break;
+			if (Tmp != data[i])
+				printk(KERN_ERR DEVICE_NAME
+				       "eeprom write error\n");
+			retry -= 1;
+		}
+		if (status) {
+			printk(KERN_ERR DEVICE_NAME
+			       ": Timeout polling eeprom\n");
+			break;
+		}
+	}
+	return status;
+}
+
+static void i2c_init_eeprom(struct i2c_adapter *adapter)
+{
+	u8 tags[] = {0x10, 0x00, 0x02, 0x00, 0x00,
+		     0x10, 0x01, 0x02, 0x00, 0x00,
+		     0x00, 0x00, 0x00};
+
+	int i;
+
+	for (i = 0; i < sizeof(tags); i++)
+		i2c_write_eeprom(adapter, 0x50, 0x0100 + i, tags[i]);
+}
+
+static int eeprom_read_ushort(struct i2c_adapter *adapter, u16 tag, u16 *data)
+{
+	int stat;
+	u8 buf[2];
+	u32 len = 0;
+
+	stat = ReadEEProm(adapter, tag, 2, buf, &len);
+	if (stat)
+		return stat;
+	if (len != 2)
+		return -EINVAL;
+
+	*data = (buf[0] << 8) | buf[1];
+	return 0;
+}
+
+static int eeprom_write_ushort(struct i2c_adapter *adapter, u16 tag, u16 data)
+{
+	int stat;
+	u8 buf[2];
+
+	buf[0] = data >> 8;
+	buf[1] = data & 0xff;
+	stat = WriteEEProm(adapter, tag, 2, buf);
+	if (stat)
+		return stat;
+	return 0;
+}
+
+static int i2c_dump_eeprom(struct i2c_adapter *adapter, u8 adr)
+{
+	u8 buf[64];
+	int i;
+
+	if (i2c_read_eeprom(adapter, adr, 0x0000, buf, sizeof(buf))) {
+		printk(KERN_ERR DEVICE_NAME ": No EEPROM?\n");
+		return -1;
+	}
+	for (i = 0; i < sizeof(buf); i++) {
+		if (!(i & 15))
+			printk("\n");
+		printk("%02x ", buf[i]);
+	}
+	printk("\n");
+
+	return 0;
+}
+
+static int i2c_copy_eeprom(struct i2c_adapter *adapter, u8 adr, u8 adr2)
+{
+	u8 buf[64];
+	int i;
+
+	if (i2c_read_eeprom(adapter, adr, 0x0000, buf, sizeof(buf))) {
+		printk(KERN_ERR DEVICE_NAME ": No EEPROM?\n");
+		return -1;
+	}
+	buf[36] = 0xc3;
+	buf[39] = 0xab;
+	for (i = 0; i < sizeof(buf); i++) {
+		i2c_write_eeprom(adapter, adr2, i, buf[i]);
+		msleep(10);
+	}
+	return 0;
+}
+
+
+/****************************************************************************/
+/* COMMAND API interface ****************************************************/
+/****************************************************************************/
+
+#ifdef NGENE_COMMAND_API
+
+static int command_do_ioctl(struct inode *inode, struct file *file,
+			    unsigned int cmd, void *parg)
+{
+	struct dvb_device *dvbdev = file->private_data;
+	struct ngene_channel *chan = dvbdev->priv;
+	struct ngene *dev = chan->dev;
+	int err = 0;
+
+	switch (cmd) {
+	case IOCTL_MIC_NO_OP:
+		err = ngene_command_nop(dev);
+		break;
+
+	case IOCTL_MIC_DOWNLOAD_FIRMWARE:
+		break;
+
+	case IOCTL_MIC_I2C_READ:
+	{
+		MIC_I2C_READ *msg = parg;
+
+		err = ngene_command_i2c_read(dev, msg->I2CAddress >> 1,
+					     msg->OutData, msg->OutLength,
+					     msg->OutData, msg->InLength, 1);
+		break;
+	}
+
+	case IOCTL_MIC_I2C_WRITE:
+	{
+		MIC_I2C_WRITE *msg = parg;
+
+		err = ngene_command_i2c_write(dev, msg->I2CAddress >> 1,
+					      msg->Data, msg->Length);
+		break;
+	}
+
+	case IOCTL_MIC_TEST_GETMEM:
+	{
+		MIC_MEM *m = parg;
+
+		if (m->Length > 64 * 1024 || m->Start + m->Length > 64 * 1024)
+			return -EINVAL;
+
+		/* WARNING, only use this on x86,
+		   other archs may not swallow this  */
+		err = copy_to_user(m->Data, dev->iomem + m->Start, m->Length);
+		break;
+	}
+
+	case IOCTL_MIC_TEST_SETMEM:
+	{
+		MIC_MEM *m = parg;
+
+		if (m->Length > 64 * 1024 || m->Start + m->Length > 64 * 1024)
+			return -EINVAL;
+
+		err = copy_from_user(dev->iomem + m->Start, m->Data, m->Length);
+		break;
+	}
+
+	case IOCTL_MIC_SFR_READ:
+	{
+		MIC_IMEM *m = parg;
+
+		err = ngene_command_imem_read(dev, m->Address, &m->Data, 1);
+		break;
+	}
+
+	case IOCTL_MIC_SFR_WRITE:
+	{
+		MIC_IMEM *m = parg;
+
+		err = ngene_command_imem_write(dev, m->Address, m->Data, 1);
+		break;
+	}
+
+	case IOCTL_MIC_IRAM_READ:
+	{
+		MIC_IMEM *m = parg;
+
+		err = ngene_command_imem_read(dev, m->Address, &m->Data, 0);
+		break;
+	}
+
+	case IOCTL_MIC_IRAM_WRITE:
+	{
+		MIC_IMEM *m = parg;
+
+		err = ngene_command_imem_write(dev, m->Address, m->Data, 0);
+		break;
+	}
+
+	case IOCTL_MIC_STREAM_CONTROL:
+	{
+		MIC_STREAM_CONTROL *m = parg;
+
+		err = ngene_stream_control(dev, m->Stream, m->Control, m->Mode,
+					   m->nLines, m->nBytesPerLine,
+					   m->nVBILines, m->nBytesPerVBILine);
+		break;
+	}
+
+	default:
+		err = -EINVAL;
+		break;
+	}
+	return err;
+}
+
+static int command_ioctl(struct inode *inode, struct file *file,
+			 unsigned int cmd, unsigned long arg)
+{
+	void *parg = (void *)arg, *pbuf = NULL;
+	char  buf[64];
+	int   res = -EFAULT;
+
+	if (_IOC_DIR(cmd) & _IOC_WRITE) {
+		parg = buf;
+		if (_IOC_SIZE(cmd) > sizeof(buf)) {
+			pbuf = kmalloc(_IOC_SIZE(cmd), GFP_KERNEL);
+			if (!pbuf)
+				return -ENOMEM;
+			parg = pbuf;
+		}
+		if (copy_from_user(parg, (void __user *)arg, _IOC_SIZE(cmd)))
+			goto error;
+	}
+	res = command_do_ioctl(inode, file, cmd, parg);
+	if (res < 0)
+		goto error;
+	if (_IOC_DIR(cmd) & _IOC_READ)
+		if (copy_to_user((void __user *)arg, parg, _IOC_SIZE(cmd)))
+			res = -EFAULT;
+error:
+	kfree(pbuf);
+	return res;
+}
+
+struct page *ngene_nopage(struct vm_area_struct *vma,
+			  unsigned long address, int *type)
+{
+	return 0;
+}
+
+static int ngene_mmap(struct file *file, struct vm_area_struct *vma)
+{
+	struct dvb_device *dvbdev = file->private_data;
+	struct ngene_channel *chan = dvbdev->priv;
+	struct ngene *dev = chan->dev;
+
+	unsigned long size = vma->vm_end - vma->vm_start;
+	unsigned long off = vma->vm_pgoff << PAGE_SHIFT;
+	unsigned long padr = pci_resource_start(dev->pci_dev, 0) + off;
+	unsigned long psize = pci_resource_len(dev->pci_dev, 0) - off;
+
+	if (size > psize)
+		return -EINVAL;
+
+	if (io_remap_pfn_range(vma, vma->vm_start, padr >> PAGE_SHIFT, size,
+			       vma->vm_page_prot))
+		return -EAGAIN;
+	return 0;
+}
+
+static int write_uart(struct ngene *dev, u8 *data, int len)
+{
+	struct ngene_command com;
+
+	com.cmd.hdr.Opcode = CMD_WRITE_UART;
+	com.cmd.hdr.Length = len;
+	memcpy(com.cmd.WriteUart.Data, data, len);
+	com.cmd.WriteUart.Data[len] = 0;
+	com.cmd.WriteUart.Data[len + 1] = 0;
+	com.in_len = len;
+	com.out_len = 0;
+
+	if (ngene_command(dev, &com) < 0)
+		return -EIO;
+
+	return 0;
+}
+
+static int send_cli(struct ngene *dev, char *cmd)
+{
+	/* printk(KERN_INFO DEVICE_NAME ": %s", cmd); */
+	return write_uart(dev, cmd, strlen(cmd));
+}
+
+static int send_cli_val(struct ngene *dev, char *cmd, u32 val)
+{
+	char s[32];
+
+	snprintf(s, 32, "%s %d\n", cmd, val);
+	/* printk(KERN_INFO DEVICE_NAME ": %s", s); */
+	return write_uart(dev, s, strlen(s));
+}
+
+static int ngene_command_write_uart_user(struct ngene *dev,
+					 const u8 *data, int len)
+{
+	struct ngene_command com;
+
+	dev->tx_busy = 1;
+	com.cmd.hdr.Opcode = CMD_WRITE_UART;
+	com.cmd.hdr.Length = len;
+
+	if (copy_from_user(com.cmd.WriteUart.Data, data, len))
+		return -EFAULT;
+	com.in_len = len;
+	com.out_len = 0;
+
+	if (ngene_command(dev, &com) < 0)
+		return -EIO;
+
+	return 0;
+}
+
+static ssize_t uart_write(struct file *file, const char *buf,
+			  size_t count, loff_t *ppos)
+{
+	struct dvb_device *dvbdev = file->private_data;
+	struct ngene_channel *chan = dvbdev->priv;
+	struct ngene *dev = chan->dev;
+	int len, ret = 0;
+	size_t left = count;
+
+	while (left) {
+		len = left;
+		if (len > 250)
+			len = 250;
+		ret = wait_event_interruptible(dev->tx_wq, dev->tx_busy == 0);
+		if (ret < 0)
+			return ret;
+		ngene_command_write_uart_user(dev, buf, len);
+		left -= len;
+		buf += len;
+	}
+	return count;
+}
+
+static ssize_t ts_write(struct file *file, const char *buf,
+			size_t count, loff_t *ppos)
+{
+	struct dvb_device *dvbdev = file->private_data;
+	struct ngene_channel *chan = dvbdev->priv;
+	struct ngene *dev = chan->dev;
+
+	if (wait_event_interruptible(dev->tsout_rbuf.queue,
+				     dvb_ringbuffer_free
+				     (&dev->tsout_rbuf) >= count) < 0)
+		return 0;
+
+	dvb_ringbuffer_write(&dev->tsout_rbuf, buf, count);
+
+	return count;
+}
+
+static ssize_t uart_read(struct file *file, char *buf,
+			 size_t count, loff_t *ppos)
+{
+	struct dvb_device *dvbdev = file->private_data;
+	struct ngene_channel *chan = dvbdev->priv;
+	struct ngene *dev = chan->dev;
+	int left;
+	int wp, rp, avail, len;
+
+	if (!dev->uart_rbuf)
+		return -EINVAL;
+	if (count > 128)
+		count = 128;
+	left = count;
+	while (left) {
+		if (wait_event_interruptible(dev->rx_wq,
+					     dev->uart_wp != dev->uart_rp) < 0)
+			return -EAGAIN;
+		wp = dev->uart_wp;
+		rp = dev->uart_rp;
+		avail = (wp - rp);
+
+		if (avail < 0)
+			avail += UART_RBUF_LEN;
+		if (avail > left)
+			avail = left;
+		if (wp < rp) {
+			len = UART_RBUF_LEN - rp;
+			if (len > avail)
+				len = avail;
+			if (copy_to_user(buf, dev->uart_rbuf + rp, len))
+				return -EFAULT;
+			if (len < avail)
+				if (copy_to_user(buf + len, dev->uart_rbuf,
+						 avail - len))
+					return -EFAULT;
+		} else {
+			if (copy_to_user(buf, dev->uart_rbuf + rp, avail))
+				return -EFAULT;
+		}
+		dev->uart_rp = (rp + avail) % UART_RBUF_LEN;
+		left -= avail;
+		buf += avail;
+	}
+	return count;
+}
+
+static const struct file_operations command_fops = {
+	.owner   = THIS_MODULE,
+	.read    = uart_read,
+	.write   = ts_write,
+	.ioctl   = command_ioctl,
+	.open    = dvb_generic_open,
+	.release = dvb_generic_release,
+	.poll    = 0,
+	.mmap    = ngene_mmap,
+};
+
+static struct dvb_device dvbdev_command = {
+	.priv    = 0,
+	.readers = -1,
+	.writers = -1,
+	.users   = -1,
+	.fops    = &command_fops,
+};
+
+#endif
+
+/****************************************************************************/
+/* DVB functions and API interface ******************************************/
+/****************************************************************************/
+
+static void swap_buffer(u32 *p, u32 len)
+{
+	while (len) {
+		*p = swab32(*p);
+		p++;
+		len -= 4;
+	}
+}
+
+static void *ain_exchange(void *priv, void *buf, u32 len, u32 clock, u32 flags)
+{
+	struct ngene_channel *chan = priv;
+	struct ngene *dev = chan->dev;
+
+	if (dvb_ringbuffer_free(&dev->ain_rbuf) >= len) {
+		dvb_ringbuffer_write(&dev->ain_rbuf, buf, len);
+		wake_up_interruptible(&dev->ain_rbuf.queue);
+	} else
+		printk(KERN_INFO DEVICE_NAME ": Dropped ain packet.\n");
+
+	return 0;
+}
+
+static void *vcap_exchange(void *priv, void *buf, u32 len, u32 clock, u32 flags)
+{
+
+	struct ngene_channel *chan = priv;
+	struct ngene *dev = chan->dev;
+
+	if (len >= 1920 * 1080)
+		len = 1920 * 1080;
+	if (dvb_ringbuffer_free(&dev->vin_rbuf) >= len) {
+		dvb_ringbuffer_write(&dev->vin_rbuf, buf, len);
+		wake_up_interruptible(&dev->vin_rbuf.queue);
+	} else {
+		;/*printk(KERN_INFO DEVICE_NAME ": Dropped vcap packet.\n"); */
+	}
+	return 0;
+}
+
+static void *tsin_exchange(void *priv, void *buf, u32 len, u32 clock, u32 flags)
+{
+	struct ngene_channel *chan = priv;
+
+
+	dvb_dmx_swfilter(&chan->demux, buf, len);
+	return 0;
+}
+
+u8 fill_ts[188] = { 0x47, 0x1f, 0xff, 0x10 };
+
+static void *tsout_exchange(void *priv, void *buf, u32 len,
+			    u32 clock, u32 flags)
+{
+	struct ngene_channel *chan = priv;
+	struct ngene *dev = chan->dev;
+	u32 alen;
+
+	alen = dvb_ringbuffer_avail(&dev->tsout_rbuf);
+	alen -= alen % 188;
+
+	if (alen < len)
+		FillTSBuffer(buf + alen, len - alen, flags);
+	else
+		alen = len;
+	dvb_ringbuffer_read(&dev->tsout_rbuf, buf, alen);
+	if (flags & DF_SWAP32)
+		swap_buffer((u32 *)buf, alen);
+	wake_up_interruptible(&dev->tsout_rbuf.queue);
+	return buf;
+}
+
+static void set_dto(struct ngene_channel *chan, u32 rate)
+{
+	u64 val = rate * 0x89705f41ULL; /* times val for 2^26 Hz */
+
+	val = ((val >> 25) + 1) >> 1;
+	chan->AudioDTOValue = (u32) val;
+	/* chan->AudioDTOUpdated=1; */
+	/* printk(KERN_INFO DEVICE_NAME ": Setting DTO to %08x\n", val); */
+}
+
+static void set_transfer(struct ngene_channel *chan, int state)
+{
+	u8 control = 0, mode = 0, flags = 0;
+	struct ngene *dev = chan->dev;
+	int ret;
+
+	/*
+	if (chan->running)
+		return;
+	*/
+
+	/*
+	printk(KERN_INFO DEVICE_NAME ": st %d\n", state);
+	msleep(100);
+	*/
+
+	if (state) {
+		if (chan->running) {
+			printk(KERN_INFO DEVICE_NAME ": already running\n");
+			return;
+		}
+	} else {
+		if (!chan->running) {
+			printk(KERN_INFO DEVICE_NAME ": already stopped\n");
+			return;
+		}
+	}
+
+	if (dev->card_info->switch_ctrl)
+		dev->card_info->switch_ctrl(chan, 1, state ^ 1);
+
+	if (state) {
+		spin_lock_irq(&chan->state_lock);
+
+		/* printk(KERN_INFO DEVICE_NAME ": lock=%08x\n",
+			  ngreadl(0x9310)); */
+		my_dvb_ringbuffer_flush(&dev->tsout_rbuf);
+		control = 0x80;
+		if (chan->mode & (NGENE_IO_TSIN | NGENE_IO_TSOUT)) {
+			chan->Capture1Length = 512 * 188;
+			mode = SMODE_TRANSPORT_STREAM;
+		}
+		if (chan->mode & NGENE_IO_TSOUT) {
+			chan->pBufferExchange = tsout_exchange;
+			/* 0x66666666 = 50MHz *2^33 /250MHz */
+			chan->AudioDTOValue = 0x66666666;
+			/* set_dto(chan, 38810700+1000); */
+			/* set_dto(chan, 19392658); */
+		}
+		if (chan->mode & NGENE_IO_TSIN)
+			chan->pBufferExchange = tsin_exchange;
+		/* ngwritel(0, 0x9310); */
+		spin_unlock_irq(&chan->state_lock);
+	} else
+		;/* printk(KERN_INFO DEVICE_NAME ": lock=%08x\n",
+			   ngreadl(0x9310)); */
+
+	ret = ngene_command_stream_control(dev, chan->number,
+					   control, mode, flags);
+	if (!ret)
+		chan->running = state;
+	else
+		printk(KERN_ERR DEVICE_NAME ": set_transfer %d failed\n",
+		       state);
+	if (!state) {
+		spin_lock_irq(&chan->state_lock);
+		chan->pBufferExchange = 0;
+		my_dvb_ringbuffer_flush(&dev->tsout_rbuf);
+		spin_unlock_irq(&chan->state_lock);
+	}
+}
+
+static int ngene_start_feed(struct dvb_demux_feed *dvbdmxfeed)
+{
+	struct dvb_demux *dvbdmx = dvbdmxfeed->demux;
+	struct ngene_channel *chan = dvbdmx->priv;
+	struct ngene *dev = chan->dev;
+
+	if (dev->card_info->io_type[chan->number] & NGENE_IO_TSOUT) {
+		switch (dvbdmxfeed->pes_type) {
+		case DMX_TS_PES_VIDEO:
+			send_cli_val(dev, "vpid", dvbdmxfeed->pid);
+			send_cli(dev, "res 1080i50\n");
+			/* send_cli(dev, "vdec mpeg2\n"); */
+			break;
+
+		case DMX_TS_PES_AUDIO:
+			send_cli_val(dev, "apid", dvbdmxfeed->pid);
+			send_cli(dev, "start\n");
+			break;
+
+		case DMX_TS_PES_PCR:
+			send_cli_val(dev, "pcrpid", dvbdmxfeed->pid);
+			break;
+
+		default:
+			break;
+		}
+
+	}
+
+	if (chan->users == 0) {
+		set_transfer(chan, 1);
+		/* msleep(10); */
+	}
+
+	return ++chan->users;
+}
+
+static int ngene_stop_feed(struct dvb_demux_feed *dvbdmxfeed)
+{
+	struct dvb_demux *dvbdmx = dvbdmxfeed->demux;
+	struct ngene_channel *chan = dvbdmx->priv;
+	struct ngene *dev = chan->dev;
+
+	if (dev->card_info->io_type[chan->number] & NGENE_IO_TSOUT) {
+		switch (dvbdmxfeed->pes_type) {
+		case DMX_TS_PES_VIDEO:
+			send_cli(dev, "stop\n");
+			break;
+
+		case DMX_TS_PES_AUDIO:
+			break;
+
+		case DMX_TS_PES_PCR:
+			break;
+
+		default:
+			break;
+		}
+
+	}
+
+	if (--chan->users)
+		return chan->users;
+
+	set_transfer(chan, 0);
+
+	return 0;
+}
+
+static int write_demod(struct i2c_adapter *adapter, u8 adr, u16 reg, u16 data)
+{
+	u8 mm[5] = { 0x10, (reg >> 8) & 0xff, reg & 0xff,
+		    (data >> 8) & 0xff, data & 0xff};
+	struct i2c_msg msg = {.addr = adr, .flags = 0, .buf = mm, .len = 5 };
+
+	if (i2c_transfer(adapter, &msg, 1) != 1) {
+		printk(KERN_ERR DEVICE_NAME ": error in write_demod\n");
+		return -1;
+	}
+	return 0;
+}
+
+
+static int ngene_drxd_pll_set(struct ngene_channel *chan,
+			      u8 *pll, u8 *aux, u8 plladr)
+{
+	struct i2c_adapter *adap = &chan->i2c_adapter;
+	struct i2c_msg msg_pll = {.addr = plladr, .flags = 0, .buf = pll,
+				  .len = 4};
+	struct i2c_msg msg_aux = {.addr = plladr, .flags = 0, .buf = aux,
+				  .len = 2};
+	int err = 0;
+
+	if (chan->dev->card_info->i2c_access & 1)
+		down(&chan->dev->pll_mutex);
+
+	chan->fe->ops.i2c_gate_ctrl(chan->fe, 1);
+	err = i2c_transfer(adap, &msg_pll, 1);
+	if (err != 1)
+		goto error;
+	if (aux)
+		err = i2c_transfer(adap, &msg_aux, 1);
+error:
+	chan->fe->ops.i2c_gate_ctrl(chan->fe, 0);
+	if (chan->dev->card_info->i2c_access & 1)
+		up(&chan->dev->pll_mutex);
+	return err;
+}
+
+static int ngene_pll_set_th_dtt7520x(void *priv, void *priv_params,
+				     u8 plladr, u8 dadr, s32 *off)
+{
+	struct dvb_frontend_parameters *params = priv_params;
+	struct ngene_channel *chan = priv;
+
+	u32 freq = params->frequency;
+	u8 pll[4], aux[2];
+	u8 c1, c2;
+	u32 div;
+
+	if (freq < 185000000 || freq > 900000000)
+		return -EINVAL;
+
+	if (freq < 465000000)
+		c2 = 0x12;
+	else
+		c2 = 0x18;
+
+	if (freq < 305000000)
+		c1 = 0xb4;
+	else if (freq < 405000000)
+		c1 = 0xbc;
+	else if (freq < 445000000)
+		c1 = 0xf4;
+	else if (freq < 465000000)
+		c1 = 0xfc;
+	else if (freq < 735000000)
+		c1 = 0xbc;
+	else if (freq < 835000000)
+		c1 = 0xf4;
+	else
+		c1 = 0xfc;
+
+	if (params->u.ofdm.bandwidth == BANDWIDTH_8_MHZ)
+		c2 ^= 0x10;
+
+	div    = (freq + 36000000 + 166667 / 2) / 166667;
+	*off   = ((s32) div) * 166667 - (s32) freq - 36000000;
+
+	pll[0] = (div >> 8) & 0x7f;
+	pll[1] = div & 0xff;
+	pll[2] = c1;
+	pll[3] = c2;
+
+	aux[0] = (c1 & 0xc7) | 0x98;
+	aux[1] = 0x30;
+
+	return ngene_drxd_pll_set(chan, pll, aux, plladr);
+}
+
+static int ngene_pll_set_mt_3x0823(void *priv,
+				   void *priv_params,
+				   u8 plladr, u8 dadr, s32 *off)
+{
+	struct dvb_frontend_parameters *params = priv_params;
+	struct ngene_channel *chan = priv;
+	struct i2c_adapter *adap = &chan->i2c_adapter;
+	u32 freq = params->frequency;
+	u8 pll[4];
+	u8 aux[2];
+	u8 c1, c2;
+	u32 div;
+
+	if (freq < 47125000 || freq > 855250000)
+		return -EINVAL;
+	else if (freq < 120000000) {
+		c1 = 0xcc;
+		c2 = 0x01;
+	} else if (freq < 155500000) {
+		c1 = 0xfc;
+		c2 = 0x01;
+	} else if (freq < 300000000) {
+		c1 = 0xbc;
+		c2 = 0x02;
+	} else if (freq < 467000000) {
+		c1 = 0xcc;
+		c2 = 0x02;
+	} else {
+		c1 = 0xcc;
+		c2 = 0x04;
+	}
+
+	if (params->u.ofdm.bandwidth == BANDWIDTH_8_MHZ)
+		c2 |= 0x08;
+
+#define INTERFREQ (36000000)
+
+	div = (freq + INTERFREQ + 166667 / 2) / 166667;
+
+	*off = ((s32) div) * 166667 - (s32) freq - INTERFREQ;
+
+	pll[0] = (div >> 8) & 0x7f;
+	pll[1] = div & 0xff;
+	pll[2] = c1;
+	pll[3] = c2;
+
+	aux[0] = (c1 & 0xc7) | 0x98;
+	aux[1] = 0x20;
+
+	write_demod(adap, dadr, 0x1007, 0xc27);
+
+	switch (params->u.ofdm.bandwidth) {
+	case BANDWIDTH_7_MHZ:
+		write_demod(adap, dadr, 0x0020, 0x103);
+		break;
+	case BANDWIDTH_AUTO:
+	case BANDWIDTH_8_MHZ:
+		write_demod(adap, dadr, 0x0020, 0x003);
+		break;
+	case BANDWIDTH_6_MHZ:
+		write_demod(adap, dadr, 0x0020, 0x002);
+		/*write_demod(adap, dadr, 0x1022, 397);*/
+		break;
+	}
+
+	return ngene_drxd_pll_set(chan, pll, aux, plladr);
+
+}
+
+static s16 osc_deviation(void *priv, s16 deviation, int flag)
+{
+	struct ngene_channel *chan = priv;
+	struct i2c_adapter *adap = &chan->i2c_adapter;
+	u16 data = 0;
+
+	if (flag) {
+		data = (u16) deviation;
+		printk(KERN_INFO DEVICE_NAME ": write deviation %d\n",
+		       deviation);
+		eeprom_write_ushort(adap, 0x1000 + chan->number, data);
+	} else {
+		if (eeprom_read_ushort(adap, 0x1000 + chan->number, &data))
+			data = 0;
+		printk(KERN_INFO DEVICE_NAME ": read deviation %d\n",
+		       (s16) data);
+	}
+
+	return (s16) data;
+}
+
+static int write_to_decoder(struct dvb_demux_feed *feed,
+			    const u8 *buf, size_t len)
+{
+	struct dvb_demux *dvbdmx = feed->demux;
+	struct ngene_channel *chan = dvbdmx->priv;
+	struct ngene *dev = chan->dev;
+
+	if (wait_event_interruptible(dev->tsout_rbuf.queue,
+				     dvb_ringbuffer_free
+				     (&dev->tsout_rbuf) >= len) < 0)
+		return 0;
+
+	dvb_ringbuffer_write(&dev->tsout_rbuf, buf, len);
+
+	return len;
+}
+
+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 = 0;
+	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);
+}
+
+/****************************************************************************/
+/* Decypher firmware loading ************************************************/
+/****************************************************************************/
+
+#define DECYPHER_FW "decypher.fw"
+
+static int dec_ts_send(struct ngene *dev, u8 *buf, u32 len)
+{
+	while (dvb_ringbuffer_free(&dev->tsout_rbuf) < len)
+		msleep(1);
+
+
+	dvb_ringbuffer_write(&dev->tsout_rbuf, buf, len);
+
+	return len;
+}
+
+u8 dec_fw_fill_ts[188] = { 0x47, 0x09, 0x0e, 0x10, 0xff, 0xff, 0x00, 0x00 };
+
+int dec_fw_send(struct ngene *dev, u8 *fw, u32 size)
+{
+	struct ngene_channel *chan = &dev->channel[4];
+	u32 len = 180, cc = 0;
+	u8 buf[8] = { 0x47, 0x09, 0x0e, 0x10, 0x00, 0x00, 0x00, 0x00 };
+
+	set_transfer(chan, 1);
+	msleep(100);
+	while (size) {
+		len = 180;
+		if (len > size)
+			len = size;
+		buf[3] = 0x10 | (cc & 0x0f);
+		buf[4] = (cc >> 8);
+		buf[5] = cc & 0xff;
+		buf[6] = len;
+
+		dec_ts_send(dev, buf, 8);
+		dec_ts_send(dev, fw, len);
+		if (len < 180)
+			dec_ts_send(dev, dec_fw_fill_ts + len + 8, 180 - len);
+		cc++;
+		size -= len;
+		fw += len;
+	}
+	for (len = 0; len < 512; len++)
+		dec_ts_send(dev, dec_fw_fill_ts, 188);
+	while (dvb_ringbuffer_avail(&dev->tsout_rbuf))
+		msleep(10);
+	msleep(100);
+	set_transfer(chan, 0);
+	return 0;
+}
+
+int dec_fw_boot(struct ngene *dev)
+{
+	u32 size;
+	const struct firmware *fw = NULL;
+	u8 *dec_fw;
+	char *fw_name;
+	int err, version;
+
+	if (request_firmware(&fw, DECYPHER_FW, &dev->pci_dev->dev) < 0) {
+		printk(KERN_ERR DEVICE_NAME
+		       ": %s not found. Check hotplug directory.\n",
+		       DECYPHER_FW);
+		return -1;
+	}
+	printk(KERN_INFO DEVICE_NAME ": Booting decypher firmware file %s\n",
+	       DECYPHER_FW);
+
+	size = fw->size;
+	dec_fw = fw->data;
+	dec_fw_send(dev, dec_fw, size);
+	release_firmware(fw);
+	return 0;
+}
+
+/****************************************************************************/
+/* nGene hardware init and release functions ********************************/
+/****************************************************************************/
+
+void free_ringbuffer(struct ngene *dev, struct SRingBufferDescriptor *rb)
+{
+	struct SBufferHeader *Cur = rb->Head;
+	u32 j;
+
+	if (!Cur)
+		return;
+
+	for (j = 0; j < rb->NumBuffers; j++, Cur = Cur->Next) {
+		if (Cur->Buffer1)
+			pci_free_consistent(dev->pci_dev,
+					    rb->Buffer1Length,
+					    Cur->Buffer1,
+					    Cur->scList1->Address);
+
+		if (Cur->Buffer2)
+			pci_free_consistent(dev->pci_dev,
+					    rb->Buffer2Length,
+					    Cur->Buffer2,
+					    Cur->scList2->Address);
+	}
+
+	if (rb->SCListMem)
+		pci_free_consistent(dev->pci_dev, rb->SCListMemSize,
+				    rb->SCListMem, rb->PASCListMem);
+
+	pci_free_consistent(dev->pci_dev, rb->MemSize, rb->Head, rb->PAHead);
+}
+
+void free_idlebuffer(struct ngene *dev,
+		     struct SRingBufferDescriptor *rb,
+		     struct SRingBufferDescriptor *tb)
+{
+	int j;
+	struct SBufferHeader *Cur = tb->Head;
+
+	if (!rb->Head)
+		return;
+	free_ringbuffer(dev, rb);
+	for (j = 0; j < tb->NumBuffers; j++, Cur = Cur->Next) {
+		Cur->Buffer2 = 0;
+		Cur->scList2 = 0;
+		Cur->ngeneBuffer.Address_of_first_entry_2 = 0;
+		Cur->ngeneBuffer.Number_of_entries_2 = 0;
+	}
+}
+
+void free_common_buffers(struct ngene *dev)
+{
+	u32 i;
+	struct ngene_channel *chan;
+
+	for (i = STREAM_VIDEOIN1; i < MAX_STREAM; i++) {
+		chan = &dev->channel[i];
+		free_idlebuffer(dev, &chan->TSIdleBuffer, &chan->TSRingBuffer);
+		free_ringbuffer(dev, &chan->RingBuffer);
+		free_ringbuffer(dev, &chan->TSRingBuffer);
+	}
+
+	if (dev->OverflowBuffer)
+		pci_free_consistent(dev->pci_dev,
+				    OVERFLOW_BUFFER_SIZE,
+				    dev->OverflowBuffer, dev->PAOverflowBuffer);
+
+	if (dev->FWInterfaceBuffer)
+		pci_free_consistent(dev->pci_dev,
+				    4096,
+				    dev->FWInterfaceBuffer,
+				    dev->PAFWInterfaceBuffer);
+}
+
+/****************************************************************************/
+/* Ring buffer handling *****************************************************/
+/****************************************************************************/
+
+int create_ring_buffer(struct pci_dev *pci_dev,
+		       struct SRingBufferDescriptor *descr, u32 NumBuffers)
+{
+	dma_addr_t tmp;
+	struct SBufferHeader *Head;
+	u32 i;
+	u32 MemSize = SIZEOF_SBufferHeader * NumBuffers;
+	u64 PARingBufferHead;
+	u64 PARingBufferCur;
+	u64 PARingBufferNext;
+	struct SBufferHeader *Cur, *Next;
+
+	descr->Head = 0;
+	descr->MemSize = 0;
+	descr->PAHead = 0;
+	descr->NumBuffers = 0;
+
+	if (MemSize < 4096)
+		MemSize = 4096;
+
+	Head = pci_alloc_consistent(pci_dev, MemSize, &tmp);
+	PARingBufferHead = tmp;
+
+	if (!Head)
+		return -ENOMEM;
+
+	memset(Head, 0, MemSize);
+
+	PARingBufferCur = PARingBufferHead;
+	Cur = Head;
+
+	for (i = 0; i < NumBuffers - 1; i++) {
+		Next = (struct SBufferHeader *)
+			(((u8 *) Cur) + SIZEOF_SBufferHeader);
+		PARingBufferNext = PARingBufferCur + SIZEOF_SBufferHeader;
+		Cur->Next = Next;
+		Cur->ngeneBuffer.Next = PARingBufferNext;
+		Cur = Next;
+		PARingBufferCur = PARingBufferNext;
+	}
+	/* Last Buffer points back to first one */
+	Cur->Next = Head;
+	Cur->ngeneBuffer.Next = PARingBufferHead;
+
+	descr->Head       = Head;
+	descr->MemSize    = MemSize;
+	descr->PAHead     = PARingBufferHead;
+	descr->NumBuffers = NumBuffers;
+
+	return 0;
+}
+
+static int AllocateRingBuffers(struct pci_dev *pci_dev,
+			       dma_addr_t of,
+			       struct SRingBufferDescriptor *pRingBuffer,
+			       u32 Buffer1Length, u32 Buffer2Length)
+{
+	dma_addr_t tmp;
+	u32 i, j;
+	int status = 0;
+	u32 SCListMemSize = pRingBuffer->NumBuffers
+		* ((Buffer2Length != 0) ? (NUM_SCATTER_GATHER_ENTRIES * 2) :
+		    NUM_SCATTER_GATHER_ENTRIES)
+		* sizeof(struct HW_SCATTER_GATHER_ELEMENT);
+
+	u64 PASCListMem;
+	PHW_SCATTER_GATHER_ELEMENT SCListEntry;
+	u64 PASCListEntry;
+	struct SBufferHeader *Cur;
+	void *SCListMem;
+
+	if (SCListMemSize < 4096)
+		SCListMemSize = 4096;
+
+	SCListMem = pci_alloc_consistent(pci_dev, SCListMemSize, &tmp);
+
+	PASCListMem = tmp;
+	if (SCListMem == NULL)
+		return -ENOMEM;
+
+	memset(SCListMem, 0, SCListMemSize);
+
+	pRingBuffer->SCListMem = SCListMem;
+	pRingBuffer->PASCListMem = PASCListMem;
+	pRingBuffer->SCListMemSize = SCListMemSize;
+	pRingBuffer->Buffer1Length = Buffer1Length;
+	pRingBuffer->Buffer2Length = Buffer2Length;
+
+	SCListEntry = (PHW_SCATTER_GATHER_ELEMENT) SCListMem;
+	PASCListEntry = PASCListMem;
+	Cur = pRingBuffer->Head;
+
+	for (i = 0; i < pRingBuffer->NumBuffers; i += 1, Cur = Cur->Next) {
+		u64 PABuffer;
+
+		void *Buffer = pci_alloc_consistent(pci_dev, Buffer1Length,
+						    &tmp);
+		PABuffer = tmp;
+
+		if (Buffer == NULL)
+			return -ENOMEM;
+
+		Cur->Buffer1 = Buffer;
+
+		SCListEntry->Address = PABuffer;
+		SCListEntry->Length  = Buffer1Length;
+
+		Cur->scList1 = SCListEntry;
+		Cur->ngeneBuffer.Address_of_first_entry_1 = PASCListEntry;
+		Cur->ngeneBuffer.Number_of_entries_1 =
+			NUM_SCATTER_GATHER_ENTRIES;
+
+		SCListEntry += 1;
+		PASCListEntry += sizeof(struct HW_SCATTER_GATHER_ELEMENT);
+
+#if NUM_SCATTER_GATHER_ENTRIES > 1
+		for (j = 0; j < NUM_SCATTER_GATHER_ENTRIES - 1; j += 1) {
+			SCListEntry->Address = of;
+			SCListEntry->Length = OVERFLOW_BUFFER_SIZE;
+			SCListEntry += 1;
+			PASCListEntry +=
+				sizeof(struct HW_SCATTER_GATHER_ELEMENT);
+		}
+#endif
+
+		if (!Buffer2Length)
+			continue;
+
+		Buffer = pci_alloc_consistent(pci_dev, Buffer2Length, &tmp);
+		PABuffer = tmp;
+
+		if (Buffer == NULL)
+			return -ENOMEM;
+
+		Cur->Buffer2 = Buffer;
+
+		SCListEntry->Address = PABuffer;
+		SCListEntry->Length  = Buffer2Length;
+
+		Cur->scList2 = SCListEntry;
+		Cur->ngeneBuffer.Address_of_first_entry_2 = PASCListEntry;
+		Cur->ngeneBuffer.Number_of_entries_2 =
+			NUM_SCATTER_GATHER_ENTRIES;
+
+		SCListEntry   += 1;
+		PASCListEntry += sizeof(struct HW_SCATTER_GATHER_ELEMENT);
+
+#if NUM_SCATTER_GATHER_ENTRIES > 1
+		for (j = 0; j < NUM_SCATTER_GATHER_ENTRIES - 1; j++) {
+			SCListEntry->Address = of;
+			SCListEntry->Length = OVERFLOW_BUFFER_SIZE;
+			SCListEntry += 1;
+			PASCListEntry +=
+				sizeof(struct HW_SCATTER_GATHER_ELEMENT);
+		}
+#endif
+
+	}
+
+	return status;
+}
+
+static int FillTSIdleBuffer(struct SRingBufferDescriptor *pIdleBuffer,
+			    struct SRingBufferDescriptor *pRingBuffer)
+{
+	int status = 0;
+
+	/* Copy pointer to scatter gather list in TSRingbuffer
+	   structure for buffer 2
+	   Load number of buffer
+	*/
+	u32 n = pRingBuffer->NumBuffers;
+
+	/* Point to first buffer entry */
+	struct SBufferHeader *Cur = pRingBuffer->Head;
+	int i;
+	/* Loop thru all buffer and set Buffer 2 pointers to TSIdlebuffer */
+	for (i = 0; i < n; i++) {
+		Cur->Buffer2 = pIdleBuffer->Head->Buffer1;
+		Cur->scList2 = pIdleBuffer->Head->scList1;
+		Cur->ngeneBuffer.Address_of_first_entry_2 =
+			pIdleBuffer->Head->ngeneBuffer.
+			Address_of_first_entry_1;
+		Cur->ngeneBuffer.Number_of_entries_2 =
+			pIdleBuffer->Head->ngeneBuffer.Number_of_entries_1;
+		Cur = Cur->Next;
+	}
+	return status;
+}
+
+static u32 RingBufferSizes[MAX_STREAM] = {
+	RING_SIZE_VIDEO,
+	RING_SIZE_VIDEO,
+	RING_SIZE_AUDIO,
+	RING_SIZE_AUDIO,
+	RING_SIZE_AUDIO,
+};
+
+static u32 Buffer1Sizes[MAX_STREAM] = {
+	MAX_VIDEO_BUFFER_SIZE,
+	MAX_VIDEO_BUFFER_SIZE,
+	MAX_AUDIO_BUFFER_SIZE,
+	MAX_AUDIO_BUFFER_SIZE,
+	MAX_AUDIO_BUFFER_SIZE
+};
+
+static u32 Buffer2Sizes[MAX_STREAM] = {
+	MAX_VBI_BUFFER_SIZE,
+	MAX_VBI_BUFFER_SIZE,
+	0,
+	0,
+	0
+};
+
+static int allocate_buffer(struct pci_dev *pci_dev, dma_addr_t of,
+			   struct SRingBufferDescriptor *rbuf,
+			   u32 entries, u32 size1, u32 size2)
+{
+	if (create_ring_buffer(pci_dev, rbuf, entries) < 0)
+		return -ENOMEM;
+
+	if (AllocateRingBuffers(pci_dev, of, rbuf, size1, size2) < 0)
+		return -ENOMEM;
+
+	return 0;
+}
+
+static int channel_allocate_buffers(struct ngene_channel *chan)
+{
+	struct ngene *dev = chan->dev;
+	int type = dev->card_info->io_type[chan->number];
+	int status;
+
+	chan->State = KSSTATE_STOP;
+
+	if (type & (NGENE_IO_TV | NGENE_IO_HDTV | NGENE_IO_AIN)) {
+		status = create_ring_buffer(dev->pci_dev,
+					    &chan->RingBuffer,
+					    RingBufferSizes[chan->number]);
+		if (status < 0)
+			return -ENOMEM;
+
+		if (type & (NGENE_IO_TV | NGENE_IO_AIN)) {
+			status = AllocateRingBuffers(dev->pci_dev,
+						     dev->PAOverflowBuffer,
+						     &chan->RingBuffer,
+						     Buffer1Sizes[chan->number],
+						     Buffer2Sizes[chan->
+								  number]);
+			if (status < 0)
+				return -ENOMEM;
+		} else if (type & NGENE_IO_HDTV) {
+			status = AllocateRingBuffers(dev->pci_dev,
+						     dev->PAOverflowBuffer,
+						     &chan->RingBuffer,
+						     MAX_HDTV_BUFFER_SIZE, 0);
+			if (status < 0)
+				return -ENOMEM;
+		}
+	}
+
+	if (type & (NGENE_IO_TSIN | NGENE_IO_TSOUT)) {
+
+		status = create_ring_buffer(dev->pci_dev,
+					    &chan->TSRingBuffer, RING_SIZE_TS);
+		if (status < 0)
+			return -ENOMEM;
+
+		status = AllocateRingBuffers(dev->pci_dev,
+					     dev->PAOverflowBuffer,
+					     &chan->TSRingBuffer,
+					     MAX_TS_BUFFER_SIZE, 0);
+		if (status)
+			return -ENOMEM;
+	}
+
+	if (type & NGENE_IO_TSOUT) {
+		status = create_ring_buffer(dev->pci_dev,
+					    &chan->TSIdleBuffer, 1);
+		if (status < 0)
+			return -ENOMEM;
+		status = AllocateRingBuffers(dev->pci_dev,
+					     dev->PAOverflowBuffer,
+					     &chan->TSIdleBuffer,
+					     MAX_TS_BUFFER_SIZE, 0);
+		if (status)
+			return -ENOMEM;
+		FillTSIdleBuffer(&chan->TSIdleBuffer, &chan->TSRingBuffer);
+	}
+	return 0;
+}
+
+static int AllocCommonBuffers(struct ngene *dev)
+{
+	int status = 0, i;
+
+	dev->FWInterfaceBuffer = pci_alloc_consistent(dev->pci_dev, 4096,
+						     &dev->PAFWInterfaceBuffer);
+	if (!dev->FWInterfaceBuffer)
+		return -ENOMEM;
+	dev->hosttongene = dev->FWInterfaceBuffer;
+	dev->ngenetohost = dev->FWInterfaceBuffer + 256;
+	dev->EventBuffer = dev->FWInterfaceBuffer + 512;
+
+	dev->OverflowBuffer = pci_alloc_consistent(dev->pci_dev,
+						   OVERFLOW_BUFFER_SIZE,
+						   &dev->PAOverflowBuffer);
+	if (!dev->OverflowBuffer)
+		return -ENOMEM;
+	memset(dev->OverflowBuffer, 0, OVERFLOW_BUFFER_SIZE);
+
+	for (i = STREAM_VIDEOIN1; i < MAX_STREAM; i++) {
+		int type = dev->card_info->io_type[i];
+
+		dev->channel[i].State = KSSTATE_STOP;
+
+		if (type & (NGENE_IO_TV | NGENE_IO_HDTV | NGENE_IO_AIN)) {
+			status = create_ring_buffer(dev->pci_dev,
+						    &dev->channel[i].RingBuffer,
+						    RingBufferSizes[i]);
+			if (status < 0)
+				break;
+
+			if (type & (NGENE_IO_TV | NGENE_IO_AIN)) {
+				status = AllocateRingBuffers(dev->pci_dev,
+							     dev->
+							     PAOverflowBuffer,
+							     &dev->channel[i].
+							     RingBuffer,
+							     Buffer1Sizes[i],
+							     Buffer2Sizes[i]);
+				if (status < 0)
+					break;
+			} else if (type & NGENE_IO_HDTV) {
+				status = AllocateRingBuffers(dev->pci_dev,
+							     dev->
+							     PAOverflowBuffer,
+							     &dev->channel[i].
+							     RingBuffer,
+							   MAX_HDTV_BUFFER_SIZE,
+							     0);
+				if (status < 0)
+					break;
+			}
+		}
+
+		if (type & (NGENE_IO_TSIN | NGENE_IO_TSOUT)) {
+
+			status = create_ring_buffer(dev->pci_dev,
+						    &dev->channel[i].
+						    TSRingBuffer, RING_SIZE_TS);
+			if (status < 0)
+				break;
+
+			status = AllocateRingBuffers(dev->pci_dev,
+						     dev->PAOverflowBuffer,
+						     &dev->channel[i].
+						     TSRingBuffer,
+						     MAX_TS_BUFFER_SIZE, 0);
+			if (status)
+				break;
+		}
+
+		if (type & NGENE_IO_TSOUT) {
+			status = create_ring_buffer(dev->pci_dev,
+						    &dev->channel[i].
+						    TSIdleBuffer, 1);
+			if (status < 0)
+				break;
+			status = AllocateRingBuffers(dev->pci_dev,
+						     dev->PAOverflowBuffer,
+						     &dev->channel[i].
+						     TSIdleBuffer,
+						     MAX_TS_BUFFER_SIZE, 0);
+			if (status)
+				break;
+			FillTSIdleBuffer(&dev->channel[i].TSIdleBuffer,
+					 &dev->channel[i].TSRingBuffer);
+		}
+	}
+	return status;
+}
+
+static void ngene_release_buffers(struct ngene *dev)
+{
+	if (dev->iomem)
+		iounmap(dev->iomem);
+	free_common_buffers(dev);
+	vfree(dev->tsout_buf);
+	vfree(dev->ain_buf);
+	vfree(dev->vin_buf);
+	vfree(dev);
+}
+
+static int ngene_get_buffers(struct ngene *dev)
+{
+	if (AllocCommonBuffers(dev))
+		return -ENOMEM;
+	if (dev->card_info->io_type[4] & NGENE_IO_TSOUT) {
+		dev->tsout_buf = vmalloc(TSOUT_BUF_SIZE);
+		if (!dev->tsout_buf)
+			return -ENOMEM;
+		dvb_ringbuffer_init(&dev->tsout_rbuf,
+				    dev->tsout_buf, TSOUT_BUF_SIZE);
+	}
+	if (dev->card_info->io_type[2] & NGENE_IO_AIN) {
+		dev->ain_buf = vmalloc(AIN_BUF_SIZE);
+		if (!dev->ain_buf)
+			return -ENOMEM;
+		dvb_ringbuffer_init(&dev->ain_rbuf, dev->ain_buf, AIN_BUF_SIZE);
+	}
+	if (dev->card_info->io_type[0] & NGENE_IO_HDTV) {
+		dev->vin_buf = vmalloc(VIN_BUF_SIZE);
+		if (!dev->vin_buf)
+			return -ENOMEM;
+		dvb_ringbuffer_init(&dev->vin_rbuf, dev->vin_buf, VIN_BUF_SIZE);
+	}
+	dev->iomem = ioremap(pci_resource_start(dev->pci_dev, 0),
+			     pci_resource_len(dev->pci_dev, 0));
+	if (!dev->iomem)
+		return -ENOMEM;
+
+	return 0;
+}
+
+static void ngene_init(struct ngene *dev)
+{
+	int i;
+
+	tasklet_init(&dev->event_tasklet, event_tasklet, (unsigned long)dev);
+
+	memset_io(dev->iomem + 0xc000, 0x00, 0x220);
+	memset_io(dev->iomem + 0xc400, 0x00, 0x100);
+
+	for (i = 0; i < MAX_STREAM; i++) {
+		dev->channel[i].dev = dev;
+		dev->channel[i].number = i;
+	}
+
+	dev->fw_interface_version = 0;
+
+	ngwritel(0, NGENE_INT_ENABLE);
+
+	dev->icounts = ngreadl(NGENE_INT_COUNTS);
+
+	dev->device_version = ngreadl(DEV_VER) & 0x0f;
+	printk(KERN_INFO DEVICE_NAME ": Device version %d\n",
+	       dev->device_version);
+}
+
+static int ngene_load_firm(struct ngene *dev)
+{
+	u32 size;
+	const struct firmware *fw = NULL;
+	u8 *ngene_fw;
+	char *fw_name;
+	int err, version;
+
+	version = dev->card_info->fw_version;
+
+	switch (version) {
+	default:
+	case 15:
+		version = 15;
+		ngene_fw = FW15;
+		size = sizeof(FW15);
+		fw_name = "ngene_15.fw";
+		break;
+	case 16:
+		ngene_fw = FW16;
+		size = sizeof(FW16);
+		fw_name = "ngene_16.fw";
+		break;
+	case 17:
+		ngene_fw = FW17;
+		size = sizeof(FW17);
+		fw_name = "ngene_17.fw";
+		break;
+	}
+#ifdef FW_INC
+	if (load_firmware &&
+	    request_firmware(&fw, fw_name, &dev->pci_dev->dev) >= 0) {
+		printk(KERN_INFO DEVICE_NAME
+		       ": Loading firmware file %s.\n", fw_name);
+		size = fw->size;
+		ngene_fw = fw->data;
+	} else
+		printk(KERN_INFO DEVICE_NAME
+		       ": Loading built-in firmware version %d.\n", version);
+	err = ngene_command_load_firmware(dev, ngene_fw, size);
+
+	if (fw)
+		release_firmware(fw);
+#else
+	if (request_firmware(&fw, fw_name, &dev->pci_dev->dev) < 0) {
+		printk(KERN_ERR DEVICE_NAME
+			": Could not load firmware file %s. \n", fw_name);
+		printk(KERN_INFO DEVICE_NAME
+			": Copy %s to your hotplug directory!\n", fw_name);
+		return -1;
+	}
+	printk(KERN_INFO DEVICE_NAME ": Loading firmware file %s.\n", fw_name);
+	size = fw->size;
+	ngene_fw = fw->data;
+	err = ngene_command_load_firmware(dev, ngene_fw, size);
+	release_firmware(fw);
+#endif
+	return err;
+}
+
+static void ngene_stop(struct ngene *dev)
+{
+	down(&dev->cmd_mutex);
+	i2c_del_adapter(&(dev->channel[0].i2c_adapter));
+	i2c_del_adapter(&(dev->channel[1].i2c_adapter));
+	ngwritel(0, NGENE_INT_ENABLE);
+	ngwritel(0, NGENE_COMMAND);
+	ngwritel(0, NGENE_COMMAND_HI);
+	ngwritel(0, NGENE_STATUS);
+	ngwritel(0, NGENE_STATUS_HI);
+	ngwritel(0, NGENE_EVENT);
+	ngwritel(0, NGENE_EVENT_HI);
+	free_irq(dev->pci_dev->irq, dev);
+}
+
+static int ngene_start(struct ngene *dev)
+{
+	int stat;
+	int i;
+
+	pci_set_master(dev->pci_dev);
+	ngene_init(dev);
+
+	stat = request_irq(dev->pci_dev->irq, irq_handler,
+			   IRQF_SHARED, "nGene",
+			   (void *)dev);
+	if (stat < 0)
+		return stat;
+
+	init_waitqueue_head(&dev->cmd_wq);
+	init_waitqueue_head(&dev->tx_wq);
+	init_waitqueue_head(&dev->rx_wq);
+	sema_init(&dev->cmd_mutex, 1);
+	sema_init(&dev->stream_mutex, 1);
+	sema_init(&dev->pll_mutex, 1);
+	sema_init(&dev->i2c_switch_mutex, 1);
+	spin_lock_init(&dev->cmd_lock);
+	for (i = 0; i < MAX_STREAM; i++)
+		spin_lock_init(&dev->channel[i].state_lock);
+	ngwritel(1, TIMESTAMPS);
+
+	ngwritel(1, NGENE_INT_ENABLE);
+
+	stat = ngene_load_firm(dev);
+	if (stat < 0)
+		goto fail;
+
+	stat = ngene_i2c_init(dev, 0);
+	if (stat < 0)
+		goto fail;
+
+	stat = ngene_i2c_init(dev, 1);
+	if (stat < 0)
+		goto fail;
+
+	if (dev->card_info->fw_version == 17) {
+		u8 hdtv_config[6] =
+			{6144 / 64, 0, 0, 2048 / 64, 2048 / 64, 2048 / 64};
+		u8 tsin4_config[6] =
+			{3072 / 64, 3072 / 64, 0, 3072 / 64, 3072 / 64, 0};
+		u8 ts5_config[6] =
+			{2048 / 64, 2048 / 64, 0, 2048 / 64, 2048 / 64,
+			 2048 / 64};
+		u8 default_config[6] =
+			{4096 / 64, 4096 / 64, 0, 2048 / 64, 2048 / 64, 0};
+		u8 *bconf = default_config;
+
+		if (dev->card_info->io_type[3] == NGENE_IO_TSIN)
+			bconf = tsin4_config;
+		if (dev->card_info->io_type[0] == NGENE_IO_HDTV) {
+			bconf = hdtv_config;
+			ngene_reset_decypher(dev);
+		}
+		printk(KERN_INFO DEVICE_NAME ": FW 17 buffer config\n");
+		stat = ngene_command_config_free_buf(dev, bconf);
+	} else {
+		int bconf = BUFFER_CONFIG_4422;
+
+		if (dev->card_info->io_type[0] == NGENE_IO_HDTV) {
+			bconf = BUFFER_CONFIG_8022;
+			ngene_reset_decypher(dev);
+		}
+		if (dev->card_info->io_type[3] == NGENE_IO_TSIN)
+			bconf = BUFFER_CONFIG_3333;
+		stat = ngene_command_config_buf(dev, bconf);
+	}
+
+	if (dev->card_info->io_type[0] == NGENE_IO_HDTV) {
+		ngene_command_config_uart(dev, 0xc1, tx_cb, rx_cb);
+		test_dec_i2c(&dev->channel[0].i2c_adapter, 0);
+		test_dec_i2c(&dev->channel[0].i2c_adapter, 1);
+	}
+
+	return stat;
+fail:
+	ngwritel(0, NGENE_INT_ENABLE);
+	free_irq(dev->pci_dev->irq, dev);
+	return stat;
+}
+
+/****************************************************************************/
+/* DVB audio/video device functions *****************************************/
+/****************************************************************************/
+
+static ssize_t audio_write(struct file *file,
+			   const char *buf, size_t count, loff_t *ppos)
+{
+	return -EINVAL;
+}
+
+ssize_t audio_read(struct file *file, char *buf, size_t count, loff_t *ppos)
+{
+	struct dvb_device *dvbdev = file->private_data;
+	struct ngene_channel *chan = dvbdev->priv;
+	struct ngene *dev = chan->dev;
+	int left;
+	int avail;
+
+	left = count;
+	while (left) {
+		if (wait_event_interruptible(
+				dev->ain_rbuf.queue,
+				dvb_ringbuffer_avail(&dev->ain_rbuf) > 0) < 0)
+			return -EAGAIN;
+		avail = dvb_ringbuffer_avail(&dev->ain_rbuf);
+		if (avail > left)
+			avail = left;
+		dvb_ringbuffer_read_user(&dev->ain_rbuf, buf, avail);
+		left -= avail;
+		buf += avail;
+	}
+	return count;
+}
+
+static int audio_open(struct inode *inode, struct file *file)
+{
+	struct dvb_device *dvbdev = file->private_data;
+	struct ngene_channel *chan = dvbdev->priv;
+	struct ngene *dev = chan->dev;
+	struct ngene_channel *chan2 = &chan->dev->channel[2];
+	int ret;
+
+	ret = dvb_generic_open(inode, file);
+	if (ret < 0)
+		return ret;
+	my_dvb_ringbuffer_flush(&dev->ain_rbuf);
+
+	chan2->Capture1Length = MAX_AUDIO_BUFFER_SIZE;
+	chan2->pBufferExchange = ain_exchange;
+	ngene_command_stream_control(chan2->dev, chan2->number, 0x80,
+				     SMODE_AUDIO_CAPTURE, 0);
+	return ret;
+}
+
+static int audio_release(struct inode *inode, struct file *file)
+{
+	struct dvb_device *dvbdev = file->private_data;
+	struct ngene_channel *chan = dvbdev->priv;
+	struct ngene *dev = chan->dev;
+	struct ngene_channel *chan2 = &chan->dev->channel[2];
+
+	ngene_command_stream_control(dev, 2, 0, 0, 0);
+	chan2->pBufferExchange = 0;
+
+	return dvb_generic_release(inode, file);
+}
+
+static const struct file_operations audio_fops = {
+	.owner   = THIS_MODULE,
+	.read    = audio_read,
+	.write   = audio_write,
+	.open    = audio_open,
+	.release = audio_release,
+};
+
+static struct dvb_device dvbdev_audio = {
+	.priv    = 0,
+	.readers = -1,
+	.writers = 1,
+	.users   = 1,
+	.fops    = &audio_fops,
+};
+
+static int video_open(struct inode *inode, struct file *file)
+{
+	struct dvb_device *dvbdev = file->private_data;
+	struct ngene_channel *chan = dvbdev->priv;
+	struct ngene *dev = chan->dev;
+	struct ngene_channel *chan0 = &chan->dev->channel[0];
+	int ret;
+
+	ret = dvb_generic_open(inode, file);
+	if (ret < 0)
+		return ret;
+	if ((file->f_flags & O_ACCMODE) != O_RDONLY)
+		return ret;
+	my_dvb_ringbuffer_flush(&dev->vin_rbuf);
+
+	chan0->nBytesPerLine = 1920 * 2;
+	chan0->nLines = 540;
+	chan0->Capture1Length = 1920 * 2 * 540;
+	chan0->pBufferExchange = vcap_exchange;
+	chan0->itumode = 2;
+	ngene_command_stream_control(chan0->dev, chan0->number,
+				     0x80, SMODE_VIDEO_CAPTURE, 0);
+	return ret;
+}
+
+static int video_release(struct inode *inode, struct file *file)
+{
+	struct dvb_device *dvbdev = file->private_data;
+	struct ngene_channel *chan = dvbdev->priv;
+	struct ngene *dev = chan->dev;
+	struct ngene_channel *chan0 = &chan->dev->channel[0];
+
+	ngene_command_stream_control(dev, 0, 0, 0, 0);
+	chan0->pBufferExchange = 0;
+
+	return dvb_generic_release(inode, file);
+}
+
+static ssize_t video_write(struct file *file,
+			   const char *buf, size_t count, loff_t *ppos)
+{
+	return -EINVAL;
+}
+
+ssize_t video_read(struct file *file, char *buf, size_t count, loff_t *ppos)
+{
+	struct dvb_device *dvbdev = file->private_data;
+	struct ngene_channel *chan = dvbdev->priv;
+	struct ngene *dev = chan->dev;
+	int left, avail;
+
+	left = count;
+	while (left) {
+		if (wait_event_interruptible(
+				dev->vin_rbuf.queue,
+				dvb_ringbuffer_avail(&dev->vin_rbuf) > 0) < 0)
+			return -EAGAIN;
+		avail = dvb_ringbuffer_avail(&dev->vin_rbuf);
+		if (avail > left)
+			avail = left;
+		dvb_ringbuffer_read_user(&dev->vin_rbuf, buf, avail);
+		left -= avail;
+		buf += avail;
+	}
+	return count;
+}
+
+/* Why is this not exported from dvb_core ?!?! */
+
+static int dvb_usercopy2(struct inode *inode, struct file *file,
+			 unsigned int cmd, unsigned long arg,
+			 int (*func)(struct inode *inode, struct file *file,
+				     unsigned int cmd, void *arg))
+{
+	char sbuf[128];
+	void *mbuf = NULL;
+	void *parg = NULL;
+	int  err   = -EINVAL;
+
+	/*  Copy arguments into temp kernel buffer  */
+	switch (_IOC_DIR(cmd)) {
+	case _IOC_NONE:
+		/*
+		 * For this command, the pointer is actually an integer
+		 * argument.
+		 */
+		parg = (void *)arg;
+		break;
+	case _IOC_READ: /* some v4l ioctls are marked wrong ... */
+	case _IOC_WRITE:
+	case (_IOC_WRITE | _IOC_READ):
+		if (_IOC_SIZE(cmd) <= sizeof(sbuf)) {
+			parg = sbuf;
+		} else {
+			/* too big to allocate from stack */
+			mbuf = kmalloc(_IOC_SIZE(cmd), GFP_KERNEL);
+			if (NULL == mbuf)
+				return -ENOMEM;
+			parg = mbuf;
+		}
+
+		err = -EFAULT;
+		if (copy_from_user(parg, (void __user *)arg, _IOC_SIZE(cmd)))
+			goto out;
+		break;
+	}
+
+	/* call driver */
+	err = func(inode, file, cmd, parg);
+	if (err == -ENOIOCTLCMD)
+		err = -EINVAL;
+
+	if (err < 0)
+		goto out;
+
+	/*  Copy results into user buffer  */
+	switch (_IOC_DIR(cmd)) {
+	case _IOC_READ:
+	case (_IOC_WRITE | _IOC_READ):
+		if (copy_to_user((void __user *)arg, parg, _IOC_SIZE(cmd)))
+			err = -EFAULT;
+		break;
+	}
+
+out:
+	kfree(mbuf);
+	return err;
+}
+
+static int video_do_ioctl(struct inode *inode, struct file *file,
+			  unsigned int cmd, void *parg)
+{
+	struct dvb_device *dvbdev = file->private_data;
+	struct ngene_channel *chan = dvbdev->priv;
+	struct ngene *dev = chan->dev;
+	int ret = 0;
+	unsigned long arg = (unsigned long)parg;
+
+	switch (cmd) {
+	case VIDEO_SET_STREAMTYPE:
+		switch (arg) {
+		case VIDEO_CAP_MPEG2:
+			/* printk(KERN_INFO DEVICE_NAME ": setting MPEG2\n"); */
+			send_cli(dev, "vdec mpeg2\n");
+			break;
+		case VIDEO_CAP_AVC:
+			/* printk(KERN_INFO DEVICE_NAME ": setting H264\n"); */
+			send_cli(dev, "vdec h264\n");
+			break;
+		case VIDEO_CAP_VC1:
+			/* printk(KERN_INFO DEVICE_NAME ": setting VC1\n"); */
+			send_cli(dev, "vdec vc1\n");
+			break;
+		default:
+			ret = -EINVAL;
+			break;
+		}
+		break;
+	default:
+		ret = -ENOIOCTLCMD;
+		return -EINVAL;
+	}
+	return ret;
+}
+
+static int video_ioctl(struct inode *inode, struct file *file,
+		       unsigned int cmd, unsigned long arg)
+{
+	return dvb_usercopy2(inode, file, cmd, arg, video_do_ioctl);
+}
+
+static const struct file_operations video_fops = {
+	.owner   = THIS_MODULE,
+	.read    = video_read,
+	.write   = video_write,
+	.open    = video_open,
+	.release = video_release,
+	.ioctl   = video_ioctl,
+};
+
+static struct dvb_device dvbdev_video = {
+	.priv    = 0,
+	.readers = -1,
+	.writers = 1,
+	.users   = -1,
+	.fops    = &video_fops,
+};
+
+/****************************************************************************/
+/* LNBH21 *******************************************************************/
+/****************************************************************************/
+
+static int lnbh21_set_voltage(struct dvb_frontend *fe, fe_sec_voltage_t voltage)
+{
+	struct ngene_channel *chan =
+		*(struct ngene_channel **) fe->demodulator_priv;
+
+	switch (voltage) {
+	case SEC_VOLTAGE_OFF:
+		chan->lnbh &= 0xf3;
+		break;
+	case SEC_VOLTAGE_13:
+		chan->lnbh |= 0x04;
+		chan->lnbh &= ~0x08;
+		break;
+	case SEC_VOLTAGE_18:
+		chan->lnbh |= 0x0c;
+		break;
+	default:
+		return -EINVAL;
+	};
+	chan->lnbh |= 0x10;
+	return i2c_write(&chan->i2c_adapter,
+			 chan->dev->card_info->lnb[chan->number], chan->lnbh);
+}
+
+static int lnbh21_set_tone(struct dvb_frontend *fe, fe_sec_tone_mode_t tone)
+{
+	struct ngene_channel *chan =
+		*(struct ngene_channel **)fe->demodulator_priv;
+
+	switch (tone) {
+	case SEC_TONE_ON:
+		chan->lnbh |= 0x20;
+		break;
+	case SEC_TONE_OFF:
+		chan->lnbh &= 0xdf;
+		break;
+	default:
+		return -EINVAL;
+	}
+	return i2c_write(&chan->i2c_adapter,
+			 chan->dev->card_info->lnb[chan->number], chan->lnbh);
+}
+
+/****************************************************************************/
+/* Switch control (I2C gates, etc.) *****************************************/
+/****************************************************************************/
+
+static int avf_output(struct ngene_channel *chan, int state)
+{
+	if (chan->dev->card_info->avf[chan->number])
+		i2c_write_register(&chan->i2c_adapter,
+				   chan->dev->card_info->avf[chan->number],
+				   0xf2, state ? 0x89 : 0x80);
+	return 0;
+}
+
+/* Viper expander: sw11,sw12,sw21,sw22,i2csw1,i2csw2,tsen1,tsen2 */
+
+static int exp_set(struct ngene *dev)
+{
+	return i2c_write(&dev->channel[0].i2c_adapter,
+			 dev->card_info->exp, dev->exp_val);
+}
+
+static int exp_init(struct ngene *dev)
+{
+	if (!dev->card_info->exp)
+		return 0;
+	dev->exp_val = dev->card_info->exp_init;
+	return exp_set(dev);
+}
+
+static int exp_set_bit(struct ngene *dev, int bit, int val)
+{
+	if (val)
+		set_bit(bit, &dev->exp_val);
+	else
+		clear_bit(bit, &dev->exp_val);
+	return exp_set(dev);
+}
+
+static int viper_switch_ctrl(struct ngene_channel *chan, int type, int val)
+{
+	switch (type) {
+	case 0: /* I2C tuner gate on/off */
+		return exp_set_bit(chan->dev, 4 + chan->number, val);
+	case 1: /* Stream: 0=TS 1=ITU */
+		avf_output(chan, val);
+		return exp_set_bit(chan->dev, 6 + chan->number, val);
+	case 2: /* Input: 0=digital 1=analog antenna input */
+		exp_set_bit(chan->dev, 0 + chan->number * 2, val ? 0 : 1);
+		exp_set_bit(chan->dev, 1 + chan->number * 2, val ? 1 : 0);
+		break;
+	}
+	return 0;
+}
+
+static int viper_switch_ctrl2(struct ngene_channel *chan, int type, int val)
+{
+	switch (type) {
+	case 0: /* I2C tuner gate on/off */
+		return exp_set_bit(chan->dev, 4 + chan->number, val);
+	case 1: /* Stream: 0=TS 1=ITU */
+		avf_output(chan, val);
+		return exp_set_bit(chan->dev, 6 + chan->number, val);
+	case 2: /* Input: 0=digital 1=analog antenna input */
+		exp_set_bit(chan->dev, 0 + chan->number * 2, val ? 0 : 1);
+		exp_set_bit(chan->dev, 1 + chan->number * 2, 0);
+		break;
+	}
+	return 0;
+}
+
+static int viper_gate_ctrl(struct dvb_frontend *fe, int enable)
+{
+	/* Well, just abuse sec :-) */
+	struct ngene_channel *chan = fe->sec_priv;
+	struct ngene *dev = chan->dev;
+
+	return dev->card_info->switch_ctrl(chan, 0, enable);
+}
+
+static int python_switch_ctrl(struct ngene_channel *chan, int type, int val)
+{
+	switch (type) {
+	case 0: /* I2C tuner gate on/off */
+		if (chan->number > 1)
+			return -EINVAL;
+		return ngene_command_gpio_set(chan->dev, 3 + chan->number, val);
+	case 1: /* Stream: 0=TS 1=ITU */
+		avf_output(chan, val);
+		return 0;
+	}
+	return 0;
+}
+
+static int viper_reset_xc(struct dvb_frontend *fe)
+{
+	struct ngene_channel *chan = fe->sec_priv;
+	struct ngene *dev = chan->dev;
+
+	printk(KERN_INFO DEVICE_NAME ": Reset XC3028\n");
+
+	if (chan->number > 1)
+		return -EINVAL;
+
+	ngene_command_gpio_set(dev, 3 + chan->number, 0);
+	msleep(150);
+	ngene_command_gpio_set(dev, 3 + chan->number, 1);
+	return 0;
+}
+
+static int python_gate_ctrl(struct dvb_frontend *fe, int enable)
+{
+	struct ngene_channel *chan = fe->sec_priv;
+	struct ngene *dev = chan->dev;
+
+	if (chan->number == 0)
+		return ngene_command_gpio_set(dev, 3, enable);
+	if (chan->number == 1)
+		return ngene_command_gpio_set(dev, 4, enable);
+	return -EINVAL;
+}
+
+/****************************************************************************/
+/* Demod/tuner attachment ***************************************************/
+/****************************************************************************/
+
+static int tuner_attach_mt2060(struct ngene_channel *chan)
+{
+	struct ngene *dev = chan->dev;
+	void *tconf = dev->card_info->tuner_config[chan->number];
+	u8 drxa = dev->card_info->demoda[chan->number];
+	struct dvb_frontend *fe = chan->fe, *fe2;
+
+	fe->sec_priv = chan;
+	fe->ops.i2c_gate_ctrl = dev->card_info->gate_ctrl;
+
+	dev->card_info->gate_ctrl(fe, 1);
+	fe2 = mt2060_attach(fe, &chan->i2c_adapter, tconf, 1220);
+	dev->card_info->gate_ctrl(fe, 0);
+
+	i2c_write_register(&chan->i2c_adapter, drxa, 3, 4);
+	write_demod(&chan->i2c_adapter, drxa, 0x1012, 15);
+	write_demod(&chan->i2c_adapter, drxa, 0x1007, 0xc27);
+	write_demod(&chan->i2c_adapter, drxa, 0x0020, 0x003);
+
+	return fe2 ? 0 : -ENODEV;
+}
+
+static int tuner_attach_xc3028(struct ngene_channel *chan)
+{
+	struct ngene *dev = chan->dev;
+	void *tconf = dev->card_info->tuner_config[chan->number];
+	struct dvb_frontend *fe = chan->fe, *fe2;
+
+	fe->sec_priv = chan;
+	fe->ops.i2c_gate_ctrl = dev->card_info->gate_ctrl;
+
+	dev->card_info->gate_ctrl(fe, 1);
+	fe2 = xc3028_attach(fe, &chan->i2c_adapter, tconf);
+	dev->card_info->gate_ctrl(fe, 0);
+
+	/*chan->fe->ops.tuner_ops.set_frequency(chan->fe,231250000);*/
+
+	return fe2 ? 0 : -ENODEV;
+}
+
+static int demod_attach_drxd(struct ngene_channel *chan)
+{
+	void *feconf = chan->dev->card_info->fe_config[chan->number];
+
+	chan->fe = drxd_attach(feconf,
+			       chan, &chan->i2c_adapter,
+			       &chan->dev->pci_dev->dev);
+	return (chan->fe) ? 0 : -ENODEV;
+}
+
+static int demod_attach_drxh(struct ngene_channel *chan)
+{
+	void *feconf = chan->dev->card_info->fe_config[chan->number];
+
+	chan->fe = drxh_attach(feconf, chan,
+			       &chan->i2c_adapter, &chan->dev->pci_dev->dev);
+	return (chan->fe) ? 0 : -ENODEV;
+}
+
+static int demod_attach_stb0899(struct ngene_channel *chan)
+{
+	void *feconf = chan->dev->card_info->fe_config[chan->number];
+
+	chan->fe = stb0899_attach(feconf,
+				  chan, &chan->i2c_adapter,
+				  &chan->dev->pci_dev->dev);
+	if (chan->fe) {
+		chan->set_tone = chan->fe->ops.set_tone;
+		chan->fe->ops.set_tone = lnbh21_set_tone;
+		chan->fe->ops.set_voltage = lnbh21_set_voltage;
+	}
+
+	return (chan->fe) ? 0 : -ENODEV;
+}
+
+static int demod_attach_stv0900(struct ngene_channel *chan)
+{
+	void *feconf = chan->dev->card_info->fe_config[chan->number];
+
+	chan->fe = stv0900_attach(feconf,
+				  chan, &chan->i2c_adapter,
+				  &chan->dev->pci_dev->dev);
+
+	if (chan->fe) {
+		chan->set_tone = chan->fe->ops.set_tone;
+		chan->fe->ops.set_tone = lnbh21_set_tone;
+		chan->fe->ops.set_voltage = lnbh21_set_voltage;
+	}
+
+	return (chan->fe) ? 0 : -ENODEV;
+}
+
+/****************************************************************************/
+/****************************************************************************/
+/****************************************************************************/
+
+static void release_channel(struct ngene_channel *chan)
+{
+	struct dvb_demux *dvbdemux = &chan->demux;
+	struct ngene *dev = chan->dev;
+	struct ngene_info *ni = dev->card_info;
+	int io = ni->io_type[chan->number];
+
+	tasklet_kill(&chan->demux_tasklet);
+
+	if (io & (NGENE_IO_TSIN | NGENE_IO_TSOUT)) {
+#ifdef NGENE_COMMAND_API
+		if (chan->command_dev)
+			dvb_unregister_device(chan->command_dev);
+#endif
+		if (chan->audio_dev)
+			dvb_unregister_device(chan->audio_dev);
+		if (chan->video_dev)
+			dvb_unregister_device(chan->video_dev);
+		if (chan->fe) {
+			dvb_unregister_frontend(chan->fe);
+			/*dvb_frontend_detach(chan->fe); */
+			chan->fe = 0;
+		}
+		dvbdemux->dmx.close(&dvbdemux->dmx);
+		dvbdemux->dmx.remove_frontend(&dvbdemux->dmx,
+					      &chan->hw_frontend);
+		dvbdemux->dmx.remove_frontend(&dvbdemux->dmx,
+					      &chan->mem_frontend);
+		dvb_dmxdev_release(&chan->dmxdev);
+		dvb_dmx_release(&chan->demux);
+#ifndef ONE_ADAPTER
+		dvb_unregister_adapter(&chan->dvb_adapter);
+#endif
+	}
+
+	if (io & (NGENE_IO_AIN)) {
+		ngene_snd_exit(chan);
+		kfree(chan->soundbuffer);
+	}
+}
+
+static int init_channel(struct ngene_channel *chan)
+{
+	int ret = 0, nr = chan->number;
+	struct dvb_adapter *adapter = 0;
+	struct dvb_demux *dvbdemux = &chan->demux;
+	struct ngene *dev = chan->dev;
+	struct ngene_info *ni = dev->card_info;
+	int io = ni->io_type[nr];
+
+	tasklet_init(&chan->demux_tasklet, demux_tasklet, (unsigned long)chan);
+	chan->users = 0;
+	chan->type = io;
+	chan->mode = chan->type;	/* for now only one mode */
+
+	if (io & (NGENE_IO_TSIN | NGENE_IO_TSOUT)) {
+		if (nr >= STREAM_AUDIOIN1)
+			chan->DataFormatFlags = DF_SWAP32;
+
+		if (io & NGENE_IO_TSOUT)
+			dec_fw_boot(dev);
+
+#ifdef ONE_ADAPTER
+		adapter = &chan->dev->dvb_adapter;
+#else
+		ret = dvb_register_adapter(&chan->dvb_adapter, "nGene",
+					   THIS_MODULE,
+					   &chan->dev->pci_dev->dev);
+		if (ret < 0)
+			return ret;
+		adapter = &chan->dvb_adapter;
+#endif
+		ret = my_dvb_dmx_ts_card_init(dvbdemux, "SW demux",
+					      ngene_start_feed,
+					      ngene_stop_feed, chan);
+		ret = my_dvb_dmxdev_ts_card_init(&chan->dmxdev, &chan->demux,
+						 &chan->hw_frontend,
+						 &chan->mem_frontend, adapter);
+		if (io & NGENE_IO_TSOUT) {
+			dvbdemux->write_to_decoder = write_to_decoder;
+			dvb_register_device(adapter, &chan->audio_dev,
+					    &dvbdev_audio, (void *)chan,
+					    DVB_DEVICE_AUDIO);
+			dvb_register_device(adapter, &chan->video_dev,
+					    &dvbdev_video, (void *)chan,
+					    DVB_DEVICE_VIDEO);
+
+		}
+#ifdef NGENE_COMMAND_API
+		dvb_register_device(adapter, &chan->command_dev,
+				    &dvbdev_command, (void *)chan,
+				    DVB_DEVICE_SEC);
+#endif
+	}
+
+	if (io & NGENE_IO_TSIN) {
+		chan->fe = NULL;
+		if (ni->demod_attach[nr])
+			ni->demod_attach[nr](chan);
+		if (chan->fe) {
+			if (dvb_register_frontend(adapter, chan->fe) < 0) {
+				if (chan->fe->ops.release)
+					chan->fe->ops.release(chan->fe);
+				chan->fe = NULL;
+			}
+		}
+		if (chan->fe && ni->tuner_attach[nr])
+			if (ni->tuner_attach[nr] (chan) < 0) {
+				printk(KERN_ERR DEVICE_NAME
+				       ": Tuner attach failed on channel %d!\n",
+				       nr);
+			}
+	}
+
+	if (io & (NGENE_IO_AIN)) {
+		ngene_snd_init(chan);
+#ifdef NGENE_V4L
+		spin_lock_init(&chan->s_lock);
+		init_MUTEX(&chan->reslock);
+		INIT_LIST_HEAD(&chan->capture);
+#endif
+
+		chan->soundbuffer = kmalloc(MAX_AUDIO_BUFFER_SIZE, GFP_KERNEL);
+		if (!chan->soundbuffer)
+			return -ENOMEM;
+		memset(chan->soundbuffer, 0, MAX_AUDIO_BUFFER_SIZE);
+	}
+	return ret;
+}
+
+static int init_channels(struct ngene *dev)
+{
+	int i, j;
+
+	for (i = 0; i < MAX_STREAM; i++) {
+		if (init_channel(&dev->channel[i]) < 0) {
+			for (j = 0; j < i; j++)
+				release_channel(&dev->channel[j]);
+			return -1;
+		}
+	}
+	return 0;
+}
+
+/****************************************************************************/
+/* device probe/remove calls ************************************************/
+/****************************************************************************/
+
+static void __devexit ngene_remove(struct pci_dev *pdev)
+{
+	struct ngene *dev = (struct ngene *)pci_get_drvdata(pdev);
+	int i;
+
+	tasklet_kill(&dev->event_tasklet);
+	for (i = 0; i < MAX_STREAM; i++)
+		release_channel(&dev->channel[i]);
+#ifdef ONE_ADAPTER
+	dvb_unregister_adapter(&dev->dvb_adapter);
+#endif
+	ngene_stop(dev);
+	ngene_release_buffers(dev);
+	pci_set_drvdata(pdev, 0);
+	pci_disable_device(pdev);
+}
+
+static int __devinit ngene_probe(struct pci_dev *pci_dev,
+				 const struct pci_device_id *id)
+{
+	struct ngene *dev;
+	int stat = 0;
+
+	if (pci_enable_device(pci_dev) < 0)
+		return -ENODEV;
+
+	dev = vmalloc(sizeof(struct ngene));
+	if (dev == NULL)
+		return -ENOMEM;
+	memset(dev, 0, sizeof(struct ngene));
+
+	dev->pci_dev = pci_dev;
+	dev->card_info = (struct ngene_info *)id->driver_data;
+	printk(KERN_INFO DEVICE_NAME ": Found %s\n", dev->card_info->name);
+
+	pci_set_drvdata(pci_dev, dev);
+
+	/* Alloc buffers and start nGene */
+	stat = ngene_get_buffers(dev);
+	if (stat < 0)
+		goto fail1;
+	stat = ngene_start(dev);
+	if (stat < 0)
+		goto fail1;
+
+	dev->i2c_current_bus = -1;
+	exp_init(dev);
+
+	/* Disable analog TV decoder chips if present */
+	if (copy_eeprom) {
+		i2c_copy_eeprom(&dev->channel[0].i2c_adapter, 0x50, 0x52);
+		i2c_dump_eeprom(&dev->channel[0].i2c_adapter, 0x52);
+	}
+	/*i2c_check_eeprom(&dev->i2c_adapter);*/
+
+	/* Register DVB adapters and devices for both channels */
+#ifdef ONE_ADAPTER
+	if (dvb_register_adapter(&dev->dvb_adapter, "nGene", THIS_MODULE,
+				 &dev->pci_dev->dev, adapter_nr) < 0)
+		goto fail2;
+#endif
+	if (init_channels(dev) < 0)
+		goto fail2;
+
+	return 0;
+
+fail2:
+	ngene_stop(dev);
+fail1:
+	ngene_release_buffers(dev);
+	pci_set_drvdata(pci_dev, 0);
+	return stat;
+}
+
+/****************************************************************************/
+/* Card configs *************************************************************/
+/****************************************************************************/
+
+static struct drxd_config fe_terratec_dvbt_0 = {
+	.index          = 0,
+	.demod_address  = 0x70,
+	.demod_revision = 0xa2,
+	.demoda_address = 0x00,
+	.pll_address    = 0x60,
+	.pll_type       = DRXD_PLL_DTT7520X,
+	.clock          = 20000,
+	.pll_set        = ngene_pll_set_th_dtt7520x,
+	.osc_deviation  = osc_deviation,
+};
+
+static struct drxd_config fe_terratec_dvbt_1 = {
+	.index          = 1,
+	.demod_address  = 0x71,
+	.demod_revision = 0xa2,
+	.demoda_address = 0x00,
+	.pll_address    = 0x60,
+	.pll_type       = DRXD_PLL_DTT7520X,
+	.clock          = 20000,
+	.pll_set        = ngene_pll_set_th_dtt7520x,
+	.osc_deviation  = osc_deviation,
+};
+
+static struct ngene_info ngene_info_terratec = {
+	.type           = NGENE_TERRATEC,
+	.name           = "Terratec Integra/Cinergy2400i Dual DVB-T",
+	.io_type        = {NGENE_IO_TSIN, NGENE_IO_TSIN},
+	.demod_attach   = {demod_attach_drxd, demod_attach_drxd},
+	.fe_config      = {&fe_terratec_dvbt_0, &fe_terratec_dvbt_1},
+	.i2c_access     = 1,
+};
+
+/****************************************************************************/
+
+static struct mt2060_config tuner_python_0 = {
+	.i2c_address    = 0x60,
+	.clock_out      = 3,
+	.input          = 0
+};
+
+static struct mt2060_config tuner_python_1 = {
+	.i2c_address    = 0x61,
+	.clock_out      = 3,
+	.input          = 1
+};
+
+static struct drxd_config fe_python_0 = {
+	.index          = 0,
+	.demod_address  = 0x71,
+	.demod_revision = 0xb1,
+	.demoda_address = 0x41,
+	.clock          = 16000,
+	.osc_deviation  = osc_deviation,
+};
+
+static struct drxd_config fe_python_1 = {
+	.index          = 1,
+	.demod_address  = 0x70,
+	.demod_revision = 0xb1,
+	.demoda_address = 0x45,
+	.clock          = 16000,
+	.osc_deviation  = osc_deviation,
+};
+
+static struct ngene_info ngene_info_python = {
+	.type           = NGENE_PYTHON,
+	.name           = "Micronas MicPython/Hedgehog Dual DVB-T",
+	.io_type        = {NGENE_IO_TSIN | NGENE_IO_TV,
+			   NGENE_IO_TSIN | NGENE_IO_TV,
+			   NGENE_IO_AIN, NGENE_IO_AIN},
+	.demod_attach   = {demod_attach_drxd, demod_attach_drxd},
+	.tuner_attach   = {tuner_attach_mt2060, tuner_attach_mt2060},
+	.fe_config      = {&fe_python_0, &fe_python_1},
+	.tuner_config   = {&tuner_python_0, &tuner_python_1},
+	.avf            = {0x43, 0x47},
+	.msp            = {0x40, 0x42},
+	.demoda         = {0x41, 0x45},
+	.gate_ctrl      = python_gate_ctrl,
+	.switch_ctrl    = python_switch_ctrl,
+};
+
+/****************************************************************************/
+
+static struct drxd_config fe_appb_dvbt_0 = {
+	.index          = 0,
+	.demod_address  = 0x71,
+	.demod_revision = 0xa2,
+	.demoda_address = 0x41,
+	.pll_address    = 0x63,
+	.pll_type       = DRXD_PLL_MT3X0823,
+	.clock          = 20000,
+	.pll_set        = ngene_pll_set_mt_3x0823,
+	.osc_deviation  = osc_deviation,
+};
+
+static struct drxd_config fe_appb_dvbt_1 = {
+	.index          = 1,
+	.demod_address  = 0x70,
+	.demod_revision = 0xa2,
+	.demoda_address = 0x45,
+	.pll_address    = 0x60,
+	.pll_type       = DRXD_PLL_MT3X0823,
+	.clock          = 20000,
+	.pll_set        = ngene_pll_set_mt_3x0823,
+	.osc_deviation  = osc_deviation,
+};
+
+static struct ngene_info ngene_info_appboard = {
+	.type           = NGENE_APP,
+	.name           = "Micronas Application Board Dual DVB-T",
+	.io_type        = {NGENE_IO_TSIN, NGENE_IO_TSIN},
+	.demod_attach   = {demod_attach_drxd, demod_attach_drxd},
+	.fe_config      = {&fe_appb_dvbt_0, &fe_appb_dvbt_1},
+	.avf            = {0x43, 0x47},
+};
+
+static struct ngene_info ngene_info_appboard_ntsc = {
+	.type           = NGENE_APP,
+	.name           = "Micronas Application Board Dual DVB-T",
+	.io_type        = {NGENE_IO_TSIN, NGENE_IO_TSIN},
+	.demod_attach   = {demod_attach_drxd, demod_attach_drxd},
+	.fe_config      = {&fe_appb_dvbt_0, &fe_appb_dvbt_1},
+	.avf            = {0x43, 0x47},
+	.ntsc           = 1,
+};
+
+/****************************************************************************/
+
+static struct stb0899_config fe_sidewinder_0 = {
+	.demod_address  = 0x68,
+	.pll_address    = 0x63,
+};
+
+static struct stb0899_config fe_sidewinder_1 = {
+	.demod_address  = 0x6b,
+	.pll_address    = 0x60,
+};
+
+static struct ngene_info ngene_info_sidewinder = {
+	.type           = NGENE_SIDEWINDER,
+	.name           = "Micronas MicSquirrel/Sidewinder Dual DVB-S2",
+	.io_type        = {NGENE_IO_TSIN, NGENE_IO_TSIN},
+	.demod_attach   = {demod_attach_stb0899, demod_attach_stb0899},
+	.fe_config      = {&fe_sidewinder_0, &fe_sidewinder_1},
+	.lnb            = {0x0b, 0x08},
+};
+
+/****************************************************************************/
+/* Yet unnamed S2 card with dual DVB-S2 demod                               */
+/****************************************************************************/
+
+static struct stv0900_config fe_s2_0 = {
+	.addr           = 0x68,
+	.pll            = 0x63,
+	.pll_type       = 0,
+	.nr             = 0,
+};
+
+static struct stv0900_config fe_s2_1 = {
+	.addr           = 0x68,
+	.pll            = 0x60,
+	.pll_type       = 0,
+	.nr             = 1,
+};
+
+static struct ngene_info ngene_info_s2 = {
+	.type           = NGENE_SIDEWINDER,
+	.name           = "S2",
+	.io_type        = {NGENE_IO_TSIN, NGENE_IO_TSIN,
+			   NGENE_IO_TSIN, NGENE_IO_TSIN},
+	.demod_attach   = {demod_attach_stv0900, demod_attach_stv0900},
+	.fe_config      = {&fe_s2_0, &fe_s2_1},
+	.lnb            = {0x0b, 0x08},
+	.tsf            = {3, 3},
+	.fw_version     = 15,
+};
+
+static struct stv0900_config fe_s2b_0 = {
+	.addr           = 0x68,
+	.pll            = 0x60,
+	.pll_type       = 0x10,
+	.nr             = 0,
+};
+
+static struct stv0900_config fe_s2b_1 = {
+	.addr           = 0x68,
+	.pll            = 0x63,
+	.pll_type       = 0x10,
+	.nr             = 1,
+};
+
+static struct ngene_info ngene_info_s2_b = {
+	.type           = NGENE_SIDEWINDER,
+	.name           = "S2 V2",
+	.io_type        = {NGENE_IO_TSIN, NGENE_IO_TSIN,
+			   NGENE_IO_TSIN, NGENE_IO_TSIN},
+	.demod_attach   = {demod_attach_stv0900, demod_attach_stv0900},
+	.fe_config      = {&fe_s2b_0, &fe_s2b_1},
+	.lnb            = {0x0b, 0x08},
+	.tsf            = {3, 3},
+	.fw_version     = 17,
+};
+
+/****************************************************************************/
+
+static struct xc3028_config tuner_viper_0 = {
+	.adr            = 0x61,
+	.reset          = viper_reset_xc
+};
+
+static struct xc3028_config tuner_viper_1 = {
+	.adr            = 0x64,
+	.reset          = viper_reset_xc
+};
+
+static struct drxh_config fe_viper_h_0 = {.adr = 0x2b};
+
+static struct drxh_config fe_viper_h_1 = {.adr = 0x29};
+
+static struct drxh_config fe_viper_l_0 = {.adr = 0x2b, .type = 3931};
+
+static struct drxh_config fe_viper_l_1 = {.adr = 0x29, .type = 3931};
+
+static struct ngene_info ngene_info_viper_v1 = {
+	.type           = NGENE_VIPER,
+	.name           = "Micronas MicViper Dual ATSC DRXH",
+	.io_type        = {NGENE_IO_TSIN | NGENE_IO_TV,
+			   NGENE_IO_TSIN | NGENE_IO_TV,
+			   NGENE_IO_AIN, NGENE_IO_AIN},
+	.demod_attach   = {demod_attach_drxh, demod_attach_drxh},
+	.fe_config      = {&fe_viper_h_0, &fe_viper_h_1},
+	.tuner_config   = {&tuner_viper_0, &tuner_viper_1},
+	.tuner_attach   = {tuner_attach_xc3028, tuner_attach_xc3028},
+	.avf            = {0x43, 0x47},
+	.msp            = {0x40, 0x42},
+	.exp            = 0x20,
+	.exp_init       = 0xf5,
+	.gate_ctrl      = viper_gate_ctrl,
+	.switch_ctrl    = viper_switch_ctrl,
+	.tsf            = {2, 2},
+};
+
+static struct ngene_info ngene_info_viper_v2 = {
+	.type           = NGENE_VIPER,
+	.name           = "Micronas MicViper Dual ATSC DRXL",
+	.io_type        = {NGENE_IO_TSIN | NGENE_IO_TV,
+			   NGENE_IO_TSIN | NGENE_IO_TV,
+			   NGENE_IO_AIN, NGENE_IO_AIN},
+	.demod_attach   = {demod_attach_drxh, demod_attach_drxh},
+	.fe_config      = {&fe_viper_l_0, &fe_viper_l_1},
+	.tuner_config   = {&tuner_viper_0, &tuner_viper_1},
+	.tuner_attach   = {tuner_attach_xc3028, tuner_attach_xc3028},
+	.avf            = {0x43, 0x47},
+	.msp            = {0x40, 0x42},
+	.exp            = 0x38,
+	.exp_init       = 0xf5,
+	.gate_ctrl      = viper_gate_ctrl,
+	.switch_ctrl    = viper_switch_ctrl,
+	.tsf            = {2, 2},
+};
+
+/****************************************************************************/
+
+static struct ngene_info ngene_info_vbox_v1 = {
+	.type           = NGENE_VBOX_V1,
+	.name           = "VBox Cat's Eye 164E",
+	.io_type        = {NGENE_IO_TSIN | NGENE_IO_TV,
+			   NGENE_IO_TSIN | NGENE_IO_TV,
+			   NGENE_IO_AIN, NGENE_IO_AIN},
+	.demod_attach   = {demod_attach_drxh, demod_attach_drxh},
+	.fe_config      = {&fe_viper_h_0, &fe_viper_h_1},
+	.tuner_config   = {&tuner_viper_0, &tuner_viper_1},
+	.tuner_attach   = {tuner_attach_xc3028, tuner_attach_xc3028},
+	.avf            = {0x43, 0x47},
+	.msp            = {0x40, 0x42},
+	.exp            = 0x20,
+	.exp_init       = 0xf5,
+	.gate_ctrl      = viper_gate_ctrl,
+	.switch_ctrl    = viper_switch_ctrl,
+	.tsf            = {2, 2},
+};
+
+/****************************************************************************/
+
+static struct ngene_info ngene_info_vbox_v2 = {
+	.type           = NGENE_VBOX_V2,
+	.name           = "VBox Cat's Eye 164E",
+	.io_type        = {NGENE_IO_TSIN | NGENE_IO_TV,
+			   NGENE_IO_TSIN | NGENE_IO_TV,
+			   NGENE_IO_AIN, NGENE_IO_AIN},
+	.demod_attach   = {demod_attach_drxh, demod_attach_drxh},
+	.fe_config      = {&fe_viper_h_0, &fe_viper_h_1},
+	.tuner_config   = {&tuner_viper_0, &tuner_viper_1},
+	.tuner_attach   = {tuner_attach_xc3028, tuner_attach_xc3028},
+	.avf            = {0x43, 0x47},
+	.msp            = {0x40, 0x42},
+	.exp            = 0x20,
+	.exp_init       = 0xf5,
+	.gate_ctrl      = viper_gate_ctrl,
+	.switch_ctrl    = viper_switch_ctrl2,
+	.tsf            = {2, 2},
+};
+
+/****************************************************************************/
+
+static struct ngene_info ngene_info_racer = {
+	.type           = NGENE_RACER,
+	.name           = "Micronas MicRacer HDTV Decoder Card",
+	.io_type        = {NGENE_IO_HDTV, NGENE_IO_NONE,
+			   NGENE_IO_AIN, NGENE_IO_NONE,
+			   NGENE_IO_TSOUT},
+	.i2s            = {0, 0, 1, 0},
+	.fw_version     = 17,
+};
+
+
+/****************************************************************************/
+/****************************************************************************/
+/****************************************************************************/
+
+#define NGENE_ID(_subvend, _subdev, _driverdata) { \
+	.vendor = NGENE_VID, .device = NGENE_PID, \
+	.subvendor = _subvend, .subdevice = _subdev, \
+	.driver_data = (unsigned long) &_driverdata }
+
+/****************************************************************************/
+
+static const struct pci_device_id ngene_id_tbl[] __devinitdata = {
+	NGENE_ID(0x18c3, 0x0000, ngene_info_appboard),
+	NGENE_ID(0x18c3, 0x0004, ngene_info_appboard),
+	NGENE_ID(0x18c3, 0x8011, ngene_info_appboard),
+	NGENE_ID(0x18c3, 0x8015, ngene_info_appboard_ntsc),
+	NGENE_ID(0x153b, 0x1167, ngene_info_terratec),
+	NGENE_ID(0x18c3, 0x0030, ngene_info_python),
+	NGENE_ID(0x18c3, 0x0052, ngene_info_sidewinder),
+	NGENE_ID(0x18c3, 0x8f00, ngene_info_racer),
+	NGENE_ID(0x18c3, 0x0041, ngene_info_viper_v1),
+	NGENE_ID(0x18c3, 0x0042, ngene_info_viper_v2),
+	NGENE_ID(0x14f3, 0x0041, ngene_info_vbox_v1),
+	NGENE_ID(0x14f3, 0x0043, ngene_info_vbox_v2),
+	NGENE_ID(0x18c3, 0xabcd, ngene_info_s2),
+	NGENE_ID(0x18c3, 0xabc2, ngene_info_s2_b),
+	NGENE_ID(0x18c3, 0xabc3, ngene_info_s2_b),
+	{0}
+};
+
+/****************************************************************************/
+/* Init/Exit ****************************************************************/
+/****************************************************************************/
+
+static pci_ers_result_t ngene_error_detected(struct pci_dev *dev,
+					     enum pci_channel_state state)
+{
+	printk(KERN_ERR DEVICE_NAME ": PCI error\n");
+	if (state == pci_channel_io_perm_failure)
+		return PCI_ERS_RESULT_DISCONNECT;
+	if (state == pci_channel_io_frozen)
+		return PCI_ERS_RESULT_NEED_RESET;
+	return PCI_ERS_RESULT_CAN_RECOVER;
+}
+
+static pci_ers_result_t ngene_link_reset(struct pci_dev *dev)
+{
+	printk(KERN_INFO DEVICE_NAME ": link reset\n");
+	return 0;
+}
+
+static pci_ers_result_t ngene_slot_reset(struct pci_dev *dev)
+{
+	printk(KERN_INFO DEVICE_NAME ": slot reset\n");
+	return 0;
+}
+
+static void ngene_resume(struct pci_dev *dev)
+{
+	printk(KERN_INFO DEVICE_NAME ": resume\n");
+}
+
+static struct pci_error_handlers ngene_errors = {
+	.error_detected = ngene_error_detected,
+	.link_reset = ngene_link_reset,
+	.slot_reset = ngene_slot_reset,
+	.resume = ngene_resume,
+};
+
+static struct pci_driver ngene_pci_driver = {
+	.name        = "ngene",
+	.id_table    = ngene_id_tbl,
+	.probe       = ngene_probe,
+	.remove      = ngene_remove,
+	.err_handler = &ngene_errors,
+};
+
+static __init int module_init_ngene(void)
+{
+	printk(KERN_INFO
+	       "nGene PCIE bridge driver, Copyright (C) 2005-2007 Micronas\n");
+	return pci_register_driver(&ngene_pci_driver);
+}
+
+static __exit void module_exit_ngene(void)
+{
+	pci_unregister_driver(&ngene_pci_driver);
+}
+
+module_init(module_init_ngene);
+module_exit(module_exit_ngene);
+
+MODULE_DESCRIPTION("nGene");
+MODULE_AUTHOR("Micronas, Ralph Metzler, Manfred Voelkel");
+MODULE_LICENSE("GPL");

drivers/media/dvb/ngene/ngene-ioctls.h

+/*
+ * Copyright (C) 2006-2007 Micronas
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * version 2 only, as published by the Free Software Foundation.
+ *
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+ * 02110-1301, USA
+ * Or, point your browser to http://www.gnu.org/copyleft/gpl.html
+ */
+
+#ifndef _NGENE_IOCTLS_H_
+#define _NGENE_IOCTLS_H_
+
+#include <linux/ioctl.h>
+#include <linux/types.h>
+
+#define NGENE_MAGIC 'n'
+
+typedef struct {
+	unsigned char       I2CAddress;
+	unsigned char       OutLength;      /* bytes to write first */
+	unsigned char       InLength;       /* bytes to read */
+	unsigned char       OutData[256];   /* output data */
+	unsigned char       InData[256];    /* input data */
+} MIC_I2C_READ, *PMIC_I2C_READ;
+
+#define IOCTL_MIC_I2C_READ          _IOWR(NGENE_MAGIC, 0x00, MIC_I2C_READ)
+
+
+typedef struct {
+	unsigned char       I2CAddress;
+	unsigned char       Length;
+	unsigned char       Data[250];
+} MIC_I2C_WRITE, *PMIC_I2C_WRITE;
+
+typedef struct {
+	unsigned char       Length;
+	unsigned char       Data[250];
+} MIC_I2C_CONTINUE_WRITE, *PMIC_I2C_CONTINUE_WRITE;
+
+#define IOCTL_MIC_I2C_WRITE                   _IOW(NGENE_MAGIC, 0x01, \
+						   MIC_I2C_WRITE)
+#define IOCTL_MIC_I2C_WRITE_NOSTOP            _IOW(NGENE_MAGIC, 0x0c, \
+						   MIC_I2C_WRITE)
+#define IOCTL_MIC_I2C_CONTINUE_WRITE_NOSTOP   _IOW(NGENE_MAGIC, 0x0d, \
+						   MIC_I2C_CONTINUE_WRITE)
+#define IOCTL_MIC_I2C_CONTINUE_WRITE          _IOW(NGENE_MAGIC, 0x0e, \
+						   MIC_I2C_CONTINUE_WRITE)
+
+typedef struct {
+	unsigned char       ModeSelect;     /* see bellow */
+	unsigned char       OutLength;      /* bytes to write first */
+	unsigned char       InLength;       /* bytes to read */
+	unsigned char       OutData[250];   /* output data */
+} MIC_SPI_READ, *PMIC_SPI_READ;
+
+#define IOCTL_MIC_SPI_READ          _IOWR(NGENE_MAGIC, 0x02, MIC_SPI_READ)
+
+typedef struct {
+	unsigned char       ModeSelect;     /* see below */
+	unsigned char       Length;
+	unsigned char       Data[250];
+} MIC_SPI_WRITE, *PMIC_SPI_WRITE;
+
+#define IOCTL_MIC_SPI_WRITE         _IOW(NGENE_MAGIC, 0x03, MIC_SPI_READ)
+
+#define IOCTL_MIC_DOWNLOAD_FIRMWARE _IOW(NGENE_MAGIC, 0x06, unsigned char)
+
+#define IOCTL_MIC_NO_OP             _IO(NGENE_MAGIC, 0x18)
+
+#define IOCTL_MIC_TUN_RDY           _IO(NGENE_MAGIC, 0x07)
+#define IOCTL_MIC_DEC_SRATE         _IOW(NGENE_MAGIC, 0x0a, int)
+#define IOCTL_MIC_DEC_RDY           _IO(NGENE_MAGIC, 0x09)
+#define IOCTL_MIC_DEC_FREESYNC      _IOW(NGENE_MAGIC, 0x08, int)
+#define IOCTL_MIC_TUN_DETECT        _IOWR(NGENE_MAGIC, 0x0b, int)
+
+typedef struct {
+	unsigned char       Stream; /* < UVI1, UVI2, or TVOUT */
+	unsigned char       Control;
+	unsigned char       Mode;
+	unsigned short      nLines;
+	unsigned short      nBytesPerLine;
+	unsigned short      nVBILines;
+	unsigned short      nBytesPerVBILine;
+} MIC_STREAM_CONTROL, *PMIC_STREAM_CONTROL;
+
+enum MIC_STREAM_CONTROL_MODE_BITS {
+	MSC_MODE_LOOPBACK         = 0x80,
+	MSC_MODE_AVLOOP           = 0x40,
+	MSC_MODE_AUDIO_SPDIF      = 0x20,
+	MSC_MODE_AVSYNC           = 0x10,
+	MSC_MODE_TRANSPORT_STREAM = 0x08,
+	MSC_MODE_AUDIO_CAPTURE    = 0x04,
+	MSC_MODE_VBI_CAPTURE      = 0x02,
+	MSC_MODE_VIDEO_CAPTURE    = 0x01
+};
+
+#define IOCTL_MIC_STREAM_CONTROL    _IOW(NGENE_MAGIC, 0x22, MIC_STREAM_CONTROL)
+
+typedef struct {
+	unsigned char       Stream; /* < UVI1, UVI2 */
+	unsigned int        Rate;   /* < Rate in 100nsec to release the buffers
+					 to the stream filters */
+} MIC_SIMULATE_CONTROL, *PMIC_SIMULATE_CONTROL;
+
+#define IOCTL_MIC_SIMULATE_CONTROL  _IOW(NGENE_MAGIC, 0x23, \
+					 MIC_SIMULATE_CONTROL)
+
+/*
+ * IOCTL definitions for the test driver
+ *
+ *   NOTE: the test driver also supports following IOCTL defined above:
+ *      IOCTL_MIC_NO_OP:
+ *      IOCTL_MIC_RECEIVE_BUFFER:
+ *      IOCTL_MIC_STREAM_CONTROL:
+ *      IOCTL_MIC_I2C_READ:
+ *      IOCTL_MIC_I2C_WRITE:
+ *
+ *
+ *  VI2C access to NGene memory (read)
+ *
+ *   GETMEM  in  : ULONG start offset
+ *           out : read data (length defined by size of output buffer)
+ *   SETMEM  in  : ULONG start offset followed by data to be written
+ *                 (length defined by size of input buffer)
+ */
+
+typedef struct {
+	__u32 Start;
+	__u32 Length;
+	__u8 *Data;
+} MIC_MEM;
+
+#define IOCTL_MIC_TEST_GETMEM       _IOWR(NGENE_MAGIC, 0x90, MIC_MEM)
+#define IOCTL_MIC_TEST_SETMEM       _IOW(NGENE_MAGIC, 0x91, MIC_MEM)
+
+typedef struct {
+	__u8 Address;
+	__u8 Data;
+} MIC_IMEM;
+
+#define IOCTL_MIC_SFR_READ          _IOWR(NGENE_MAGIC, 0xa2, MIC_IMEM)
+#define IOCTL_MIC_SFR_WRITE         _IOWR(NGENE_MAGIC, 0xa3, MIC_IMEM)
+
+#define IOCTL_MIC_IRAM_READ         _IOWR(NGENE_MAGIC, 0xa4, MIC_IMEM)
+#define IOCTL_MIC_IRAM_WRITE        _IOWR(NGENE_MAGIC, 0xa5, MIC_IMEM)
+
+/*
+ * Set Ngene gpio bit
+ */
+typedef struct {
+	unsigned char   Select;
+	unsigned char   Level;
+} MIC_SET_GPIO_PIN, *PMIC_SET_GPIO_PIN;
+
+#define IOCTL_MIC_SET_GPIO_PIN      _IOWR(NGENE_MAGIC, 0xa6, MIC_SET_GPIO_PIN)
+
+/*
+ * Uart ioctls:
+ *   These are implemented in the test driver.
+ *
+ * Enable UART
+ *
+ *   In:  1 byte containing baud rate: 0 = 19200, 1 = 9600, 2 = 4800, 3 = 2400
+ *   Out: nothing
+ */
+#define IOCTL_MIC_UART_ENABLE       _IOW(NGENE_MAGIC,  0xa9, unsigned char)
+
+/*
+ * Enable UART
+ *
+ *   In:  nothing
+ *   Out: nothing
+ */
+#define IOCTL_MIC_UART_DISABLE      _IO(NGENE_MAGIC, 0xAA)
+
+/*
+ * Write UART
+ *
+ *   In:  data to write
+ *   Out: nothing
+ *   Note: Call returns immediatly, data are send out asynchrounsly
+ */
+#define IOCTL_MIC_UART_WRITE        _IOW(NGENE_MAGIC, 0xAB, unsigned char)
+
+/*
+ * Read UART
+ *
+ *   In:  nothing
+ *   Out: Data read (since last call)
+ *   Note: Call returns immediatly
+ */
+#define IOCTL_MIC_UART_READ         _IOR(NGENE_MAGIC, 0xAC, unsigned char)
+
+/*
+ * UART Status
+ *
+ *   In:  nothing
+ *   Out: Byte 0 : Transmitter busy,
+ *        Byte 1 : Nbr of characters available for read.
+ *   Note: Call returns immediatly
+ */
+#define IOCTL_MIC_UART_STATUS       _IOR(NGENE_MAGIC, 0xAD, unsigned char)
+
+#endif

drivers/media/dvb/ngene/ngene-snd.c

+/*
+ * ngene_snd.c: nGene PCIe bridge driver ALSA support
+ *
+ * Copyright (C) 2005-2007 Micronas
+ *
+ * Based on the initial ALSA support port by Thomas Eschbach.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * version 2 only, as published by the Free Software Foundation.
+ *
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+ * 02110-1301, USA
+ * Or, point your browser to http://www.gnu.org/copyleft/gpl.html
+ */
+
+#include <linux/version.h>
+#include <linux/module.h>
+
+#include "ngene.h"
+#include "ngene-ioctls.h"
+
+static int sound_dev;
+
+/* sound module parameters (see "Module Parameters") */
+static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX;
+static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR;
+static int enable[SNDRV_CARDS] = {1, [1 ... (SNDRV_CARDS - 1)] = 1};
+
+/****************************************************************************/
+/* PCM Sound Funktions ******************************************************/
+/****************************************************************************/
+
+static struct snd_pcm_hardware snd_mychip_capture_hw = {
+	.info = (SNDRV_PCM_INFO_INTERLEAVED | SNDRV_PCM_INFO_BLOCK_TRANSFER),
+	.formats =          SNDRV_PCM_FMTBIT_S16_LE,
+	.rates =            (SNDRV_PCM_RATE_11025 | SNDRV_PCM_RATE_16000
+			    | SNDRV_PCM_RATE_22050 | SNDRV_PCM_RATE_32000
+			    | SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_48000),
+	.rate_min =         11025,
+	.rate_max =         48000,
+	.channels_min =     2,
+	.channels_max =     2,
+	.buffer_bytes_max = 16384,
+	.period_bytes_min = 8192,
+	.period_bytes_max = 8192,
+	.periods_min =      1,
+	.periods_max =      2,
+};
+
+/* open callback */
+static int snd_mychip_capture_open(struct snd_pcm_substream *substream)
+{
+
+	struct mychip *chip = snd_pcm_substream_chip(substream);
+	struct snd_pcm_runtime *runtime = substream->runtime;
+
+	runtime->hw = snd_mychip_capture_hw;
+	chip->substream = substream;
+	return 0;
+}
+
+/* close callback */
+static int snd_mychip_capture_close(struct snd_pcm_substream *substream)
+{
+	struct mychip *chip = snd_pcm_substream_chip(substream);
+	chip->substream = NULL;
+	return 0;
+
+}
+
+/* hw_params callback */
+static int snd_mychip_pcm_hw_params(struct snd_pcm_substream *substream,
+				    struct snd_pcm_hw_params *hw_params)
+{
+	struct mychip *chip = snd_pcm_substream_chip(substream);
+	struct ngene_channel *chan = chip->chan;
+	if (chan->soundbuffisallocated == 0) {
+		chan->soundbuffisallocated = 1;
+		return snd_pcm_lib_malloc_pages(substream,
+						params_buffer_bytes(hw_params));
+	}
+	return 0;
+}
+
+/* hw_free callback */
+static int snd_mychip_pcm_hw_free(struct snd_pcm_substream *substream)
+{
+	struct mychip *chip = snd_pcm_substream_chip(substream);
+	struct ngene_channel *chan = chip->chan;
+	int retval = 0;
+	if (chan->soundbuffisallocated == 1) {
+		chan->soundbuffisallocated = 0;
+		retval = snd_pcm_lib_free_pages(substream);
+	}
+	return retval;
+}
+
+/* prepare callback */
+static int snd_mychip_pcm_prepare(struct snd_pcm_substream *substream)
+{
+
+	struct mychip *chip = snd_pcm_substream_chip(substream);
+	struct snd_pcm_runtime *runtime = substream->runtime;
+	struct ngene_channel *chan = chip->chan;
+	struct ngene_channel *ch = &chan->dev->channel[chan->number - 2];
+	struct i2c_adapter *adap = &ch->i2c_adapter;
+
+	if (ch->soundstreamon == 1)
+		;/*ngene_command_stream_control_sound(chan->dev, chan->number,
+						      0x00, 0x00);*/
+	i2c_clients_command(adap, IOCTL_MIC_DEC_SRATE, &(runtime->rate));
+	mdelay(80);
+	if (ch->soundstreamon == 1)
+		;/*ngene_command_stream_control_sound(chan->dev, chan->number,
+						      0x80, 0x04);*/
+
+	return 0;
+}
+
+/* trigger callback */
+static int snd_mychip_pcm_trigger(struct snd_pcm_substream *substream, int cmd)
+{
+	struct mychip *chip = snd_pcm_substream_chip(substream);
+	struct ngene_channel *chan = chip->chan;
+
+	switch (cmd) {
+	case SNDRV_PCM_TRIGGER_START:
+		/* do something to start the PCM engine */
+		chan->sndbuffflag = 0;
+		break;
+	case SNDRV_PCM_TRIGGER_STOP:
+		/* do something to stop the PCM engine */
+		chip->substream = NULL;
+		chan->sndbuffflag = 0;
+		break;
+	default:
+		return -EINVAL;
+	}
+	return 0;
+}
+
+/* pointer callback */
+static snd_pcm_uframes_t
+snd_mychip_pcm_pointer(struct snd_pcm_substream *substream)
+{
+	struct mychip *chip = snd_pcm_substream_chip(substream);
+	struct ngene_channel *chan = chip->chan;
+	unsigned int current_ptr;
+
+	if (chan->sndbuffflag == 0) {
+		current_ptr = (unsigned int)
+			      bytes_to_frames(substream->runtime, 0);
+	} else {
+		current_ptr = (unsigned int)
+			      bytes_to_frames(substream->runtime, 8192);
+	}
+	return current_ptr;
+}
+
+/*copy sound buffer to pcm middel layer*/
+static int snd_capture_copy(struct snd_pcm_substream *substream, int channel,
+			    snd_pcm_uframes_t pos, void *dst,
+			    snd_pcm_uframes_t count)
+{
+	struct snd_pcm_runtime *runtime = substream->runtime;
+	struct mychip *chip = snd_pcm_substream_chip(substream);
+	struct ngene_channel *chan = chip->chan;
+
+	memcpy(dst, chan->soundbuffer, frames_to_bytes(runtime, count));
+	return 0;
+}
+
+static int snd_pcm_capture_silence(struct snd_pcm_substream *substream,
+				   int channel,
+				   snd_pcm_uframes_t pos,
+				   snd_pcm_uframes_t count)
+{
+	/*
+	struct snd_pcm_runtime *runtime = substream->runtime;
+	struct mychip *chip = snd_pcm_substream_chip(substream);
+	struct ngene_channel *chan = chip->chan;
+	*/
+	return 0;
+}
+
+/* operators */
+static struct snd_pcm_ops snd_mychip_capture_ops = {
+	.open      = snd_mychip_capture_open,
+	.close     = snd_mychip_capture_close,
+	.ioctl     = snd_pcm_lib_ioctl,
+	.hw_params = snd_mychip_pcm_hw_params,
+	.hw_free   = snd_mychip_pcm_hw_free,
+	.prepare   = snd_mychip_pcm_prepare,
+	.trigger   = snd_mychip_pcm_trigger,
+	.pointer   = snd_mychip_pcm_pointer,
+	.copy      = snd_capture_copy,
+	.silence   = snd_pcm_capture_silence,
+};
+
+static void mychip_pcm_free(struct snd_pcm *pcm)
+{
+	pcm->private_data = NULL;
+}
+
+/* create a pcm device */
+static int snd_mychip_new_pcm(struct mychip *chip, struct ngene_channel *chan)
+{
+	struct snd_pcm *pcm;
+	int err;
+	char gro[10];
+	sprintf(gro, "PCM%d", chan->number);
+
+	err = snd_pcm_new(chip->card, gro, 0, 0, 1, &pcm);
+	if (err < 0)
+		return err;
+
+	pcm->private_data = chip;
+	pcm->private_free = mychip_pcm_free;
+
+	sprintf(pcm->name, "MyPCM_%d", chan->number);
+
+	chip->pcm = pcm;
+	/* set operators */
+	snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_mychip_capture_ops);
+	/* pre-allocation of buffers */
+
+	err = snd_pcm_lib_preallocate_pages_for_all(pcm,
+						    SNDRV_DMA_TYPE_CONTINUOUS,
+						    snd_dma_continuous_data(
+							GFP_KERNEL),
+						    0, 16 * 1024);
+
+	return 0;
+}
+
+#define ngene_VOLUME(xname, xindex, addr) \
+  { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = xindex, \
+  .info = snd_volume_info, \
+  .get = snd_volume_get, .put = snd_volume_put, \
+  .private_value = addr }
+
+static int snd_volume_info(struct snd_kcontrol *kcontrol,
+			   struct snd_ctl_elem_info *uinfo)
+{
+	uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
+	uinfo->count = 2;
+	uinfo->value.integer.min = 0;
+	uinfo->value.integer.max = 20;
+	return 0;
+}
+
+static int snd_volume_get(struct snd_kcontrol *kcontrol,
+			  struct snd_ctl_elem_value *ucontrol)
+{
+	struct mychip *chip = snd_kcontrol_chip(kcontrol);
+	int addr = kcontrol->private_value;
+
+	ucontrol->value.integer.value[0] = chip->mixer_volume[addr][0];
+	ucontrol->value.integer.value[1] = chip->mixer_volume[addr][1];
+	return 0;
+}
+
+static int snd_volume_put(struct snd_kcontrol *kcontrol,
+			  struct snd_ctl_elem_value *ucontrol)
+{
+	struct mychip *chip = snd_kcontrol_chip(kcontrol);
+	int change, addr = kcontrol->private_value;
+	int left, right;
+
+	left = ucontrol->value.integer.value[0];
+	if (left < 0)
+		left = 0;
+	if (left > 20)
+		left = 20;
+	right = ucontrol->value.integer.value[1];
+	if (right < 0)
+		right = 0;
+	if (right > 20)
+		right = 20;
+	spin_lock_irq(&chip->mixer_lock);
+	change = chip->mixer_volume[addr][0] != left ||
+		 chip->mixer_volume[addr][1] != right;
+	chip->mixer_volume[addr][0] = left;
+	chip->mixer_volume[addr][1] = right;
+	spin_unlock_irq(&chip->mixer_lock);
+	return change;
+}
+
+#define ngene_CAPSRC(xname, xindex, addr) \
+  { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = xindex, \
+  .info = snd_capsrc_info, \
+  .get = snd_capsrc_get, .put = snd_capsrc_put, \
+  .private_value = addr }
+
+static int snd_capsrc_info(struct snd_kcontrol *kcontrol,
+			   struct snd_ctl_elem_info *uinfo)
+{
+	uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN;
+	uinfo->count = 2;
+	uinfo->value.integer.min = 0;
+	uinfo->value.integer.max = 1;
+	return 0;
+}
+
+static int snd_capsrc_get(struct snd_kcontrol *kcontrol,
+			  struct snd_ctl_elem_value *ucontrol)
+{
+	struct mychip *chip = snd_kcontrol_chip(kcontrol);
+	int addr = kcontrol->private_value;
+
+	spin_lock_irq(&chip->mixer_lock);
+	ucontrol->value.integer.value[0] = chip->capture_source[addr][0];
+	ucontrol->value.integer.value[1] = chip->capture_source[addr][1];
+	spin_unlock_irq(&chip->mixer_lock);
+
+	return 0;
+}
+
+static int snd_capsrc_put(struct snd_kcontrol *kcontrol,
+			  struct snd_ctl_elem_value *ucontrol)
+{
+	struct mychip *chip = snd_kcontrol_chip(kcontrol);
+	int change, addr = kcontrol->private_value;
+	int left, right;
+
+	left = ucontrol->value.integer.value[0] & 1;
+	right = ucontrol->value.integer.value[1] & 1;
+	spin_lock_irq(&chip->mixer_lock);
+
+	change = chip->capture_source[addr][0] != left ||
+		 chip->capture_source[addr][1] != right;
+	chip->capture_source[addr][0] = left;
+	chip->capture_source[addr][1] = right;
+
+	spin_unlock_irq(&chip->mixer_lock);
+
+	if (change)
+		printk(KERN_INFO "snd_capsrc_put change\n");
+	return 0;
+}
+
+static struct snd_kcontrol_new snd_controls[] = {
+	ngene_VOLUME("Video Volume", 0, MIXER_ADDR_TVTUNER),
+	ngene_CAPSRC("Video Capture Switch", 0, MIXER_ADDR_TVTUNER),
+};
+
+static int snd_card_new_mixer(struct mychip *chip)
+{
+	struct snd_card *card = chip->card;
+	unsigned int idx;
+	int err;
+
+	strcpy(card->mixername, "NgeneMixer");
+
+	for (idx = 0; idx < ARRAY_SIZE(snd_controls); idx++) {
+		err = snd_ctl_add(card, snd_ctl_new1(&snd_controls[idx], chip));
+		if (err < 0)
+			return err;
+	}
+	return 0;
+}
+
+int ngene_snd_init(struct ngene_channel *chan)
+{
+	struct snd_card *card;
+	struct mychip *chip;
+	int err;
+
+	if (sound_dev >= SNDRV_CARDS)
+		return -ENODEV;
+	if (!enable[sound_dev]) {
+		sound_dev++;
+		return -ENOENT;
+	}
+	card = snd_card_new(index[sound_dev], id[sound_dev],
+			    THIS_MODULE, sizeof(struct mychip));
+	if (card == NULL)
+		return -ENOMEM;
+
+	chip = card->private_data;
+	chip->card = card;
+	chip->irq = -1;
+
+	sprintf(card->shortname, "MyChip%d%d", chan->dev->nr, chan->number);
+	sprintf(card->shortname, "Myown%d%d", chan->dev->nr, chan->number);
+	sprintf(card->longname, "My first Own Chip on Card Nr.%d  is %d",
+		chan->dev->nr, chan->number);
+
+	spin_lock_init(&chip->lock);
+	spin_lock_init(&chip->mixer_lock);
+
+	snd_card_new_mixer(chip);
+
+	snd_mychip_new_pcm(chip, chan);
+	err = snd_card_register(card);
+	if (err < 0) {
+		snd_card_free(card);
+		return err;
+	}
+	chan->soundcard = card;
+	chan->mychip = chip;
+	chip->chan = chan;
+	sound_dev++;
+	return 0;
+}
+
+int ngene_snd_exit(struct ngene_channel *chan)
+{
+	snd_card_free(chan->soundcard);
+	return 0;
+}

drivers/media/dvb/ngene/ngene-v4l2.c

+/*
+ * ngene_v4l2.c: nGene PCIe bridge driver V4L2 support
+ *
+ * Copyright (C) 2005-2007 Micronas
+ *
+ * Based on the initial V4L2 support port by Thomas Eschbach.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * version 2 only, as published by the Free Software Foundation.
+ *
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+ * 02110-1301, USA
+ * Or, point your browser to http://www.gnu.org/copyleft/gpl.html
+ */
+
+#include <linux/module.h>
+#include <linux/init.h>
+#include <linux/delay.h>
+#include <linux/sched.h>
+#include <linux/spinlock.h>
+#include <linux/fs.h>
+#include <linux/unistd.h>
+#include <linux/time.h>
+#include <linux/pci.h>
+#include <linux/vmalloc.h>
+#include <linux/pagemap.h>
+#include <linux/videodev2.h>
+#include <linux/videodev.h>
+#include <linux/version.h>
+#include <asm/uaccess.h>
+#include <asm/semaphore.h>
+#include <asm/system.h>
+#include <asm/io.h>
+#include <asm/kmap_types.h>
+#include <linux/videodev.h>
+
+#include <media/v4l2-dev.h>
+
+#include "ngene.h"
+#include "ngene-ioctls.h"
+
+/****************************************************************************/
+
+static unsigned int gbuffers = 8;
+static unsigned int gbufsize = 0x208000;
+
+enum km_type ngene_km_types[] = {
+	KM_USER0,
+	KM_USER1,
+	KM_SOFTIRQ0,
+	KM_SOFTIRQ1,
+};
+
+#define V4L2_STD_NTSC_M_KOREA          ((v4l2_std_id)0x00004000)
+#define V4L2_STD_SECAM_L1              ((v4l2_std_id)0x00008000)
+
+static inline void *my_video_get_drvdata(struct video_device *vd)
+{
+	return dev_get_drvdata(vd->dev);
+}
+
+static inline void my_video_set_drvdata(struct video_device *vd, void *d)
+{
+	dev_set_drvdata(vd->dev, d);
+}
+
+static struct ngene_tvnorm ngene_tvnorms_hd[] = {
+	{
+		.v4l2_id        = V4L2_STD_PAL_BG,
+		.name           = "1080i50",
+		.swidth         = 1920,
+		.sheight        = 1080,
+		.tuner_norm     = 1,
+		.soundstd       = 1,
+	}
+};
+
+static struct ngene_tvnorm ngene_tvnorms_sd[] = {
+	/* PAL-BDGHI */
+	/* max. active video is actually 922, but 924 is divisible by 4 & 3!*/
+	/* actually, max active PAL with HSCALE=0 is 948, NTSC is 768 - nil */
+	{
+		.v4l2_id        = V4L2_STD_PAL_BG,
+		.name           = "PAL-BG",
+		.swidth         = 720,
+		.sheight        = 576,
+		.tuner_norm     = 1,
+		.soundstd       = 1,
+	}, {
+		.v4l2_id        = V4L2_STD_PAL_DK,
+		.name           = "PAL-DK",
+		.swidth         = 720,
+		.sheight        = 576,
+		.tuner_norm     = 2,
+		.soundstd       = 2,
+	}, {
+		.v4l2_id        = V4L2_STD_PAL_H,
+		.name           = "PAL-H",
+		.swidth         = 720,
+		.sheight        = 576,
+		.tuner_norm     = 0,
+		.soundstd       = 1,
+	}, {
+		.v4l2_id        = V4L2_STD_PAL_I,
+		.name           = "PAL-I",
+		.swidth         = 720,
+		.sheight        = 576,
+		.tuner_norm     = 4,
+		.soundstd       = 4,
+	}, {
+		.v4l2_id        = V4L2_STD_PAL_M,
+		.name           = "PAL_M",
+		.swidth         = 720,
+		.sheight        = 5760,
+		.tuner_norm     = 7,
+		.soundstd       = 5,
+	}, {
+		.v4l2_id        = V4L2_STD_NTSC_M,
+		.name           = "NTSC_M",
+		.swidth         = 720,
+		.sheight        = 480,
+		.tuner_norm     = 7,
+		.soundstd       = 5,
+	}, {
+		.v4l2_id        = V4L2_STD_NTSC_M_JP,
+		.name           = "NTSC_M_JP",
+		.swidth         = 720,
+		.sheight        = 480,
+		.tuner_norm     = 7,
+		.soundstd       = 6,
+	}, {
+		.v4l2_id        = V4L2_STD_PAL_N,
+		.name           = "PAL-N",
+		.swidth         = 720,
+		.sheight        = 576,
+		.tuner_norm     = 7,
+		.soundstd       = 5,
+	}, {
+		.v4l2_id        = V4L2_STD_SECAM_B,
+		.name           = "SECAM_B",
+		.swidth         = 720,
+		.sheight        = 576,
+		.tuner_norm     = 1,
+		.soundstd       = 1,
+	}, {
+		.v4l2_id        = V4L2_STD_SECAM_D,
+		.name           = "SECAM_D",
+		.swidth         = 720,
+		.sheight        = 576,
+		.tuner_norm     = 2,
+		.soundstd       = 2,
+	}, {
+		.v4l2_id        = V4L2_STD_SECAM_G,
+		.name           = "SECAM_G",
+		.swidth         = 720,
+		.sheight        = 576,
+		.tuner_norm     = 3,
+		.soundstd       = 1,
+	}, {
+		.v4l2_id        = V4L2_STD_SECAM_H,
+		.name           = "SECAM_H",
+		.swidth         = 720,
+		.sheight        = 576,
+		.tuner_norm     = 3,
+		.soundstd       = 1,
+	}, {
+		.v4l2_id        = V4L2_STD_SECAM_K,
+		.name           = "SECAM_K",
+		.swidth         = 720,
+		.sheight        = 576,
+		.tuner_norm     = 2,
+		.soundstd       = 2,
+	}, {
+		.v4l2_id        = V4L2_STD_SECAM_K1,
+		.name           = "SECAM_K1",
+		.swidth         = 720,
+		.sheight        = 576,
+		.tuner_norm     = 2,
+		.soundstd       = 2,
+	}, {
+		.v4l2_id        = V4L2_STD_SECAM_L,
+		.name           = "SECAM_L",
+		.swidth         = 720,
+		.sheight        = 576,
+		.tuner_norm     = 5,
+		.soundstd       = 3,
+	}, {
+		.v4l2_id        = V4L2_STD_NTSC_M_KOREA,
+		.name           = "NTSC_M_KOREA",
+		.swidth         = 720,
+		.sheight        = 480,
+		.tuner_norm     = 7,
+		.soundstd       = 7,
+	}, {
+		.v4l2_id        = V4L2_STD_SECAM_L1,
+		.name           = "SECAM_L1",
+		.swidth         = 720,
+		.sheight        = 576,
+		.tuner_norm     = 6,
+		.soundstd       = 3,
+	}
+
+};
+
+static const int NGENE_TVNORMS = ARRAY_SIZE(ngene_tvnorms_sd);
+
+static u8 BlackLine[1440] = {
+	/* 0x80, */ 0x10, 0x80, 0x10, 0x80, 0x10, 0x80, 0x10,
+	0x80, 0x10, 0x80, 0x10, 0x80, 0x10, 0x80, 0x10,
+	0x80, 0x10, 0x80, 0x10, 0x80, 0x10, 0x80, 0x10,
+	0x80, 0x10, 0x80, 0x10, 0x80, 0x10, 0x80, 0x10,
+	0x80, 0x10, 0x80, 0x10, 0x80, 0x10, 0x80, 0x10,
+	0x80, 0x10, 0x80, 0x10, 0x80, 0x10, 0x80, 0x10,
+	0x80, 0x10, 0x80, 0x10, 0x80, 0x10, 0x80, 0x10,
+	0x80, 0x10, 0x80, 0x10, 0x80, 0x10, 0x80, 0x10,
+	0x80, 0x10, 0x80, 0x10, 0x80, 0x10, 0x80, 0x10,
+	0x80, 0x10, 0x80, 0x10, 0x80, 0x10, 0x80, 0x10,
+	0x80, 0x10, 0x80, 0x10, 0x80, 0x10, 0x80, 0x10,
+	0x80, 0x10, 0x80, 0x10, 0x80, 0x10, 0x80, 0x10,
+	0x80, 0x10, 0x80, 0x10, 0x80, 0x10, 0x80, 0x10,
+	0x80, 0x10, 0x80, 0x10, 0x80, 0x10, 0x80, 0x10,
+	0x80, 0x10, 0x80, 0x10, 0x80, 0x10, 0x80, 0x10,
+	0x80, 0x10, 0x80, 0x10, 0x80, 0x10, 0x80, 0x10,
+
+	0x80, 0x10, 0x80, 0x10, 0x80, 0x10, 0x80, 0x10,
+	0x80, 0x10, 0x80, 0x10, 0x80, 0x10, 0x80, 0x10,
+	0x80, 0x10, 0x80, 0x10, 0x80, 0x10, 0x80, 0x10,
+	0x80, 0x10, 0x80, 0x10, 0x80, 0x10, 0x80, 0x10,
+	0x80, 0x10, 0x80, 0x10, 0x80, 0x10, 0x80, 0x10,
+	0x80, 0x10, 0x80, 0x10, 0x80, 0x10, 0x80, 0x10,
+	0x80, 0x10, 0x80, 0x10, 0x80, 0x10, 0x80, 0x10,
+	0x80, 0x10, 0x80, 0x10, 0x80, 0x10, 0x80, 0x10,
+	0x80, 0x10, 0x80, 0x10, 0x80, 0x10, 0x80, 0x10,
+	0x80, 0x10, 0x80, 0x10, 0x80, 0x10, 0x80, 0x10,
+	0x80, 0x10, 0x80, 0x10, 0x80, 0x10, 0x80, 0x10,
+	0x80, 0x10, 0x80, 0x10, 0x80, 0x10, 0x80, 0x10,
+	0x80, 0x10, 0x80, 0x10, 0x80, 0x10, 0x80, 0x10,
+	0x80, 0x10, 0x80, 0x10, 0x80, 0x10, 0x80, 0x10,
+	0x80, 0x10, 0x80, 0x10, 0x80, 0x10, 0x80, 0x10,
+	0x80, 0x10, 0x80, 0x10, 0x80, 0x10, 0x80, 0x10,
+
+	0x80, 0x10, 0x80, 0x10, 0x80, 0x10, 0x80, 0x10,
+	0x80, 0x10, 0x80, 0x10, 0x80, 0x10, 0x80, 0x10,
+	0x80, 0x10, 0x80, 0x10, 0x80, 0x10, 0x80, 0x10,
+	0x80, 0x10, 0x80, 0x10, 0x80, 0x10, 0x80, 0x10,
+	0x80, 0x10, 0x80, 0x10, 0x80, 0x10, 0x80, 0x10,
+	0x80, 0x10, 0x80, 0x10, 0x80, 0x10, 0x80, 0x10,
+	0x80, 0x10, 0x80, 0x10, 0x80, 0x10, 0x80, 0x10,
+	0x80, 0x10, 0x80, 0x10, 0x80, 0x10, 0x80, 0x10,
+	0x80, 0x10, 0x80, 0x10, 0x80, 0x10, 0x80, 0x10,
+	0x80, 0x10, 0x80, 0x10, 0x80, 0x10, 0x80, 0x10,
+	0x80, 0x10, 0x80, 0x10, 0x80, 0x10, 0x80, 0x10,
+	0x80, 0x10, 0x80, 0x10, 0x80, 0x10, 0x80, 0x10,
+	0x80, 0x10, 0x80, 0x10, 0x80, 0x10, 0x80, 0x10,
+	0x80, 0x10, 0x80, 0x10, 0x80, 0x10, 0x80, 0x10,
+	0x80, 0x10, 0x80, 0x10, 0x80, 0x10, 0x80, 0x10,
+	0x80, 0x10, 0x80, 0x10, 0x80, 0x10, 0x80, 0x10,
+
+	0x80, 0x10, 0x80, 0x10, 0x80, 0x10, 0x80, 0x10,
+	0x80, 0x10, 0x80, 0x10, 0x80, 0x10, 0x80, 0x10,
+	0x80, 0x10, 0x80, 0x10, 0x80, 0x10, 0x80, 0x10,
+	0x80, 0x10, 0x80, 0x10, 0x80, 0x10, 0x80, 0x10,
+	0x80, 0x10, 0x80, 0x10, 0x80, 0x10, 0x80, 0x10,
+	0x80, 0x10, 0x80, 0x10, 0x80, 0x10, 0x80, 0x10,
+	0x80, 0x10, 0x80, 0x10, 0x80, 0x10, 0x80, 0x10,
+	0x80, 0x10, 0x80, 0x10, 0x80, 0x10, 0x80, 0x10,
+	0x80, 0x10, 0x80, 0x10, 0x80, 0x10, 0x80, 0x10,
+	0x80, 0x10, 0x80, 0x10, 0x80, 0x10, 0x80, 0x10,
+	0x80, 0x10, 0x80, 0x10, 0x80, 0x10, 0x80, 0x10,
+	0x80, 0x10, 0x80, 0x10, 0x80, 0x10, 0x80, 0x10,
+	0x80, 0x10, 0x80, 0x10, 0x80, 0x10, 0x80, 0x10,
+	0x80, 0x10, 0x80, 0x10, 0x80, 0x10, 0x80, 0x10,
+	0x80, 0x10, 0x80, 0x10, 0x80, 0x10, 0x80, 0x10,
+	0x80, 0x10, 0x80, 0x10, 0x80, 0x10, 0x80, 0x10,
+
+	0x80, 0x10, 0x80, 0x10, 0x80, 0x10, 0x80, 0x10,
+	0x80, 0x10, 0x80, 0x10, 0x80, 0x10, 0x80, 0x10,
+	0x80, 0x10, 0x80, 0x10, 0x80, 0x10, 0x80, 0x10,
+	0x80, 0x10, 0x80, 0x10, 0x80, 0x10, 0x80, 0x10,
+	0x80, 0x10, 0x80, 0x10, 0x80, 0x10, 0x80, 0x10,
+	0x80, 0x10, 0x80, 0x10, 0x80, 0x10, 0x80, 0x10,
+	0x80, 0x10, 0x80, 0x10, 0x80, 0x10, 0x80, 0x10,
+	0x80, 0x10, 0x80, 0x10, 0x80, 0x10, 0x80, 0x10,
+	0x80, 0x10, 0x80, 0x10, 0x80, 0x10, 0x80, 0x10,
+	0x80, 0x10, 0x80, 0x10, 0x80, 0x10, 0x80, 0x10,
+	0x80, 0x10, 0x80, 0x10, 0x80, 0x10, 0x80, 0x10,
+	0x80, 0x10, 0x80, 0x10, 0x80, 0x10, 0x80, 0x10,
+	0x80, 0x10, 0x80, 0x10, 0x80, 0x10, 0x80, 0x10,
+	0x80, 0x10, 0x80, 0x10, 0x80, 0x10, 0x80, 0x10,
+	0x80, 0x10, 0x80, 0x10, 0x80, 0x10, 0x80, 0x10,
+	0x80, 0x10, 0x80, 0x10, 0x80, 0x10, 0x80, 0x10,
+
+	0x80, 0x10, 0x80, 0x10, 0x80, 0x10, 0x80, 0x10,
+	0x80, 0x10, 0x80, 0x10, 0x80, 0x10, 0x80, 0x10,
+	0x80, 0x10, 0x80, 0x10, 0x80, 0x10, 0x80, 0x10,
+	0x80, 0x10, 0x80, 0x10, 0x80, 0x10, 0x80, 0x10,
+	0x80, 0x10, 0x80, 0x10, 0x80, 0x10, 0x80, 0x10,
+	0x80, 0x10, 0x80, 0x10, 0x80, 0x10, 0x80, 0x10,
+	0x80, 0x10, 0x80, 0x10, 0x80, 0x10, 0x80, 0x10,
+	0x80, 0x10, 0x80, 0x10, 0x80, 0x10, 0x80, 0x10,
+	0x80, 0x10, 0x80, 0x10, 0x80, 0x10, 0x80, 0x10,
+	0x80, 0x10, 0x80, 0x10, 0x80, 0x10, 0x80, 0x10,
+	0x80, 0x10, 0x80, 0x10, 0x80, 0x10, 0x80, 0x10,
+	0x80, 0x10, 0x80, 0x10, 0x80, 0x10, 0x80, 0x10,
+	0x80, 0x10, 0x80, 0x10, 0x80, 0x10, 0x80, 0x10,
+	0x80, 0x10, 0x80, 0x10, 0x80, 0x10, 0x80, 0x10,
+	0x80, 0x10, 0x80, 0x10, 0x80, 0x10, 0x80, 0x10,
+	0x80, 0x10, 0x80, 0x10, 0x80, 0x10, 0x80, 0x10,
+
+	0x80, 0x10, 0x80, 0x10, 0x80, 0x10, 0x80, 0x10,
+	0x80, 0x10, 0x80, 0x10, 0x80, 0x10, 0x80, 0x10,
+	0x80, 0x10, 0x80, 0x10, 0x80, 0x10, 0x80, 0x10,
+	0x80, 0x10, 0x80, 0x10, 0x80, 0x10, 0x80, 0x10,
+	0x80, 0x10, 0x80, 0x10, 0x80, 0x10, 0x80, 0x10,
+	0x80, 0x10, 0x80, 0x10, 0x80, 0x10, 0x80, 0x10,
+	0x80, 0x10, 0x80, 0x10, 0x80, 0x10, 0x80, 0x10,
+	0x80, 0x10, 0x80, 0x10, 0x80, 0x10, 0x80, 0x10,
+	0x80, 0x10, 0x80, 0x10, 0x80, 0x10, 0x80, 0x10,
+	0x80, 0x10, 0x80, 0x10, 0x80, 0x10, 0x80, 0x10,
+	0x80, 0x10, 0x80, 0x10, 0x80, 0x10, 0x80, 0x10,
+	0x80, 0x10, 0x80, 0x10, 0x80, 0x10, 0x80, 0x10,
+	0x80, 0x10, 0x80, 0x10, 0x80, 0x10, 0x80, 0x10,
+	0x80, 0x10, 0x80, 0x10, 0x80, 0x10, 0x80, 0x10,
+	0x80, 0x10, 0x80, 0x10, 0x80, 0x10, 0x80, 0x10,
+	0x80, 0x10, 0x80, 0x10, 0x80, 0x10, 0x80, 0x10,
+
+	0x80, 0x10, 0x80, 0x10, 0x80, 0x10, 0x80, 0x10,
+	0x80, 0x10, 0x80, 0x10, 0x80, 0x10, 0x80, 0x10,
+	0x80, 0x10, 0x80, 0x10, 0x80, 0x10, 0x80, 0x10,
+	0x80, 0x10, 0x80, 0x10, 0x80, 0x10, 0x80, 0x10,
+	0x80, 0x10, 0x80, 0x10, 0x80, 0x10, 0x80, 0x10,
+	0x80, 0x10, 0x80, 0x10, 0x80, 0x10, 0x80, 0x10,
+	0x80, 0x10, 0x80, 0x10, 0x80, 0x10, 0x80, 0x10,
+	0x80, 0x10, 0x80, 0x10, 0x80, 0x10, 0x80, 0x10,
+	0x80, 0x10, 0x80, 0x10, 0x80, 0x10, 0x80, 0x10,
+	0x80, 0x10, 0x80, 0x10, 0x80, 0x10, 0x80, 0x10,
+	0x80, 0x10, 0x80, 0x10, 0x80, 0x10, 0x80, 0x10,
+	0x80, 0x10, 0x80, 0x10, 0x80, 0x10, 0x80, 0x10,
+	0x80, 0x10, 0x80, 0x10, 0x80, 0x10, 0x80, 0x10,
+	0x80, 0x10, 0x80, 0x10, 0x80, 0x10, 0x80, 0x10,
+	0x80, 0x10, 0x80, 0x10, 0x80, 0x10, 0x80, 0x10,
+	0x80, 0x10, 0x80, 0x10, 0x80, 0x10, 0x80, 0x10,
+
+	0x80, 0x10, 0x80, 0x10, 0x80, 0x10, 0x80, 0x10,
+	0x80, 0x10, 0x80, 0x10, 0x80, 0x10, 0x80, 0x10,
+	0x80, 0x10, 0x80, 0x10, 0x80, 0x10, 0x80, 0x10,
+	0x80, 0x10, 0x80, 0x10, 0x80, 0x10, 0x80, 0x10,
+	0x80, 0x10, 0x80, 0x10, 0x80, 0x10, 0x80, 0x10,
+	0x80, 0x10, 0x80, 0x10, 0x80, 0x10, 0x80, 0x10,
+	0x80, 0x10, 0x80, 0x10, 0x80, 0x10, 0x80, 0x10,
+	0x80, 0x10, 0x80, 0x10, 0x80, 0x10, 0x80, 0x10,
+	0x80, 0x10, 0x80, 0x10, 0x80, 0x10, 0x80, 0x10,
+	0x80, 0x10, 0x80, 0x10, 0x80, 0x10, 0x80, 0x10,
+	0x80, 0x10, 0x80, 0x10, 0x80, 0x10, 0x80, 0x10,
+	0x80, 0x10, 0x80, 0x10, 0x80, 0x10, 0x80, 0x10,
+	0x80, 0x10, 0x80, 0x10, 0x80, 0x10, 0x80, 0x10,
+	0x80, 0x10, 0x80, 0x10, 0x80, 0x10, 0x80, 0x10,
+	0x80, 0x10, 0x80, 0x10, 0x80, 0x10, 0x80, 0x10,
+	0x80, 0x10, 0x80, 0x10, 0x80, 0x10, 0x80, 0x10,
+
+	0x80, 0x10, 0x80, 0x10, 0x80, 0x10, 0x80, 0x10,
+	0x80, 0x10, 0x80, 0x10, 0x80, 0x10, 0x80, 0x10,
+	0x80, 0x10, 0x80, 0x10, 0x80, 0x10, 0x80, 0x10,
+	0x80, 0x10, 0x80, 0x10, 0x80, 0x10, 0x80, 0x10,
+	0x80, 0x10, 0x80, 0x10, 0x80, 0x10, 0x80, 0x10,
+	0x80, 0x10, 0x80, 0x10, 0x80, 0x10, 0x80, 0x10,
+	0x80, 0x10, 0x80, 0x10, 0x80, 0x10, 0x80, 0x10,
+	0x80, 0x10, 0x80, 0x10, 0x80, 0x10, 0x80, 0x10,
+	0x80, 0x10, 0x80, 0x10, 0x80, 0x10, 0x80, 0x10,
+	0x80, 0x10, 0x80, 0x10, 0x80, 0x10, 0x80, 0x10,
+	0x80, 0x10, 0x80, 0x10, 0x80, 0x10, 0x80, 0x10,
+	0x80, 0x10, 0x80, 0x10, 0x80, 0x10, 0x80, 0x10,
+	0x80, 0x10, 0x80, 0x10, 0x80, 0x10, 0x80, 0x10,
+	0x80, 0x10, 0x80, 0x10, 0x80, 0x10, 0x80, 0x10,
+	0x80, 0x10, 0x80, 0x10, 0x80, 0x10, 0x80, 0x10,
+	0x80, 0x10, 0x80, 0x10, 0x80, 0x10, 0x80, 0x10,
+
+	0x80, 0x10, 0x80, 0x10, 0x80, 0x10, 0x80, 0x10,
+	0x80, 0x10, 0x80, 0x10, 0x80, 0x10, 0x80, 0x10,
+	0x80, 0x10, 0x80, 0x10, 0x80, 0x10, 0x80, 0x10,
+	0x80, 0x10, 0x80, 0x10, 0x80, 0x10, 0x80, 0x10,
+	0x80, 0x10, 0x80, 0x10, 0x80, 0x10, 0x80, 0x10,
+	0x80, 0x10, 0x80, 0x10, 0x80, 0x10, 0x80, 0x10,
+	0x80, 0x10, 0x80, 0x10, 0x80, 0x10, 0x80, 0x10,
+	0x80, 0x10, 0x80, 0x10, 0x80, 0x10, 0x80, 0x10,
+	0x80, 0x10, 0x80, 0x10, 0x80, 0x10, 0x80, 0x10,
+	0x80, 0x10, 0x80, 0x10, 0x80, 0x10, 0x80, 0x10,
+	0x80, 0x10, 0x80, 0x10, 0x80, 0x10, 0x80, 0x10,
+	0x80, 0x10, 0x80, 0x10, 0x80, 0x10, 0x80, 0x10,
+	0x80, 0x10, 0x80, 0x10, 0x80, 0x10, 0x80, 0x10,
+	0x80, 0x10, 0x80, 0x10, 0x80, 0x10, 0x80, 0x10,
+	0x80, 0x10, 0x80, 0x10, 0x80, 0x10, 0x80, 0x10,
+	0x80, 0x10, 0x80, 0x10, 0x80, 0x10, 0x80, 0x10,
+
+	0x80, 0x10, 0x80, 0x10, 0x80, 0x10, 0x80, 0x10,
+	0x80, 0x10, 0x80, 0x10, 0x80, 0x10, 0x80, 0x10,
+	0x80, 0x10, 0x80, 0x10, 0x80, 0x10, 0x80, 0x10,
+	0x80, 0x10, 0x80, 0x10, 0x80, 0x10, 0x80, 0x10,
+	0x80,
+};
+
+#define V4L2_CID_PRIVATE_SHARPNESS   (V4L2_CID_PRIVATE_BASE + 0)
+#define V4L2_CID_PRIVATE_LASTP1      (V4L2_CID_PRIVATE_BASE + 1)
+
+static const struct v4l2_queryctrl no_ctl = {
+	.name  = "no_ctl",
+	.flags = V4L2_CTRL_FLAG_DISABLED,
+};
+
+static const struct v4l2_queryctrl ngene_ctls[] = {
+	/* --- video --- */
+	{
+		.id            = V4L2_CID_BRIGHTNESS,
+		.name          = "Brightness",
+		.minimum       = -127,
+		.maximum       = 127,
+		.step          = 1,
+		.default_value = 0,
+		.type          = V4L2_CTRL_TYPE_INTEGER,
+	}, {
+		.id            = V4L2_CID_CONTRAST,
+		.name          = "Contrast",
+		.minimum       = 0,
+		.maximum       = 63,
+		.step          = 1,
+		.default_value = 30,
+		.type          = V4L2_CTRL_TYPE_INTEGER,
+	}, {
+		.id            = V4L2_CID_SATURATION,
+		.name          = "Saturation",
+		.minimum       = 0,
+		.maximum       = 4094,
+		.step          = 1,
+		.default_value = 2000,
+		.type          = V4L2_CTRL_TYPE_INTEGER,
+	}, {
+		.id            = V4L2_CID_HUE,
+		.name          = "Hue",
+		.minimum       = -2047,
+		.maximum       = 2047,
+		.step          = 1,
+		.default_value = 0,
+		.type          = V4L2_CTRL_TYPE_INTEGER,
+	},
+	/* --- audio --- */
+	{
+		.id            = V4L2_CID_AUDIO_MUTE,
+		.name          = "Mute",
+		.minimum       = 0,
+		.maximum       = 1,
+		.type          = V4L2_CTRL_TYPE_BOOLEAN,
+	}, {
+		.id            = V4L2_CID_PRIVATE_SHARPNESS,
+		.name          = "sharpness",
+		.minimum       = 0,
+		.maximum       = 100,
+		.step          = 1,
+		.default_value = 50,
+		.type          = V4L2_CTRL_TYPE_INTEGER,
+	},
+
+};
+
+static const int NGENE_CTLS = ARRAY_SIZE(ngene_ctls);
+
+static const struct ngene_format ngene_formats[] = {
+	{
+		.name     = "4:2:2, packed, YUYV",
+		.palette  = -1,
+		.fourcc   = V4L2_PIX_FMT_YUYV,
+		.format   = V4L2_PIX_FMT_YUYV,
+		.palette  = VIDEO_PALETTE_YUYV,
+		.depth    = 16,
+		.flags    = 0x02,/* FORMAT_FLAGS_PACKED, */
+	}
+};
+
+static const unsigned int NGENE_FORMATS = ARRAY_SIZE(ngene_formats);
+
+/****************************************************************************/
+
+static struct videobuf_queue *ngene_queue(struct ngene_vopen *vopen)
+{
+	struct videobuf_queue *q = NULL;
+
+	switch (vopen->type) {
+	case V4L2_BUF_TYPE_VIDEO_CAPTURE:
+		q = &vopen->vbuf_q;
+		break;
+	case V4L2_BUF_TYPE_VBI_CAPTURE:
+		q = &vopen->vbi;
+		break;
+	default:
+		break;
+	}
+	return q;
+}
+
+static int ngene_resource(struct ngene_vopen *vopen)
+{
+	int res = 0;
+
+	switch (vopen->type) {
+	case V4L2_BUF_TYPE_VIDEO_CAPTURE:
+		res = RESOURCE_VIDEO;
+		break;
+	case V4L2_BUF_TYPE_VBI_CAPTURE:
+		res = RESOURCE_VBI;
+		break;
+	default:
+		break;
+	}
+	return res;
+}
+
+static int ngene_try_fmt(struct ngene_vopen *vopen, struct ngene_channel *chan,
+			 struct v4l2_format *f)
+{
+	switch (f->type) {
+
+	case V4L2_BUF_TYPE_VIDEO_CAPTURE:
+	{
+		const struct ngene_format *fmt;
+		enum v4l2_field field;
+		unsigned int maxw, maxh;
+		int maxLinesPerField;
+
+		fmt = ngene_formats;
+		if (NULL == fmt)
+			return -EINVAL;
+
+		/* fixup format */
+		maxw  = chan->tvnorms[chan->tvnorm].swidth;
+		maxLinesPerField = chan->tvnorms[chan->tvnorm].sheight;
+		maxh  = maxLinesPerField;
+		field = f->fmt.pix.field;
+
+		if (V4L2_FIELD_ANY == field)
+			field = (f->fmt.pix.height > maxh / 2)
+				? V4L2_FIELD_INTERLACED : V4L2_FIELD_BOTTOM;
+
+		if (V4L2_FIELD_SEQ_BT == field)
+			field = V4L2_FIELD_SEQ_TB;
+
+		/* update data for the application */
+		f->fmt.pix.field = field;
+		if (f->fmt.pix.width < 48)
+			f->fmt.pix.width = 48;
+		if (f->fmt.pix.height < 32)
+			f->fmt.pix.height = 32;
+		if (f->fmt.pix.width > maxw)
+			f->fmt.pix.width = maxw;
+		if (f->fmt.pix.height > maxh)
+			f->fmt.pix.height = maxh;
+		f->fmt.pix.width &= ~0x03;
+		f->fmt.pix.bytesperline =
+			(f->fmt.pix.width * fmt->depth) >> 3;
+		f->fmt.pix.sizeimage =
+			f->fmt.pix.height * f->fmt.pix.bytesperline;
+
+		return 0;
+	}
+
+	case V4L2_BUF_TYPE_VIDEO_OVERLAY:
+		return -EINVAL;
+
+	case V4L2_BUF_TYPE_VBI_CAPTURE:
+		return 0;
+
+	default:
+		return -EINVAL;
+	}
+}
+
+/****************************************************************************/
+/* Analog driver stuff ******************************************************/
+/****************************************************************************/
+
+static int check_alloc_res(struct ngene_channel *channel,
+			   struct ngene_vopen *vopen, int bit)
+{
+	if (vopen->resources & bit)
+		/* have it already allocated */
+		return 1;
+
+	/* is it free? */
+	down(&channel->reslock);
+	if (channel->resources & bit) {
+		/* no, someone else uses it */
+		up(&channel->reslock);
+		return 0;
+	}
+	/* it's free, grab it */
+	vopen->resources |= bit;
+	channel->resources |= bit;
+	up(&channel->reslock);
+	return 1;
+}
+
+static int check_res(struct ngene_vopen *vopen, int bit)
+{
+	return vopen->resources & bit;
+}
+
+static int locked_res(struct ngene_channel *chan, int bit)
+{
+	return chan->resources & bit;
+}
+
+static void free_res(struct ngene_channel *channel,
+		     struct ngene_vopen *vopen, int bits)
+{
+	down(&channel->reslock);
+	vopen->resources &= ~bits;
+	channel->resources &= ~bits;
+	up(&channel->reslock);
+}
+
+/****************************************************************************/
+/* MISC HELPERS *************************************************************/
+/****************************************************************************/
+
+static int ngene_g_fmt(struct ngene_vopen *vopen, struct v4l2_format *f)
+{
+	if (!vopen->fmt)
+		vopen->fmt = ngene_formats;
+
+	switch (f->type) {
+	case V4L2_BUF_TYPE_VIDEO_CAPTURE:
+		memset(&f->fmt.pix, 0, sizeof(struct v4l2_pix_format));
+		f->fmt.pix.width        = vopen->width;
+		f->fmt.pix.height       = vopen->height;
+		f->fmt.pix.field        = vopen->vbuf_q.field;
+		f->fmt.pix.pixelformat  = vopen->fmt->fourcc;
+		f->fmt.pix.bytesperline = (f->fmt.pix.width * 16) >> 3;
+		f->fmt.pix.sizeimage    =
+			f->fmt.pix.height * f->fmt.pix.bytesperline;
+		return 0;
+
+	case V4L2_BUF_TYPE_VIDEO_OVERLAY:
+		memset(&f->fmt.win, 0, sizeof(struct v4l2_window));
+		return 0;
+		f->fmt.win.w     = vopen->ov.w;
+		f->fmt.win.field = vopen->ov.field;
+		return 0;
+
+	case V4L2_BUF_TYPE_VBI_CAPTURE:
+		return -EINVAL;
+
+	default:
+		return -EINVAL;
+	}
+}
+
+static int ngene_switch_type(struct ngene_vopen *vopen, enum v4l2_buf_type type)
+{
+	struct videobuf_queue *q = ngene_queue(vopen);
+	int res = ngene_resource(vopen);
+
+	if (check_res(vopen, res))
+		return -EBUSY;
+	if (videobuf_queue_is_busy(q))
+		return -EBUSY;
+	vopen->type = type;
+	return 0;
+}
+
+static int ngene_s_fmt(struct ngene_vopen *vopen, struct ngene_channel *chan,
+		       struct v4l2_format *f)
+{
+	int retval;
+
+	switch (f->type) {
+	case V4L2_BUF_TYPE_VIDEO_CAPTURE:
+	{
+		const struct ngene_format *fmt;
+		retval = ngene_try_fmt(vopen, chan, f);
+		if (0 != retval)
+			return retval;
+
+		retval = ngene_switch_type(vopen, f->type);
+		if (0 != retval)
+			return retval;
+		fmt = ngene_formats;
+
+		if (f->fmt.pix.pixelformat != V4L2_PIX_FMT_YUYV)
+			return -EINVAL;
+		/* update our state informations */
+		mutex_lock(&vopen->vbuf_q.lock);
+		vopen->fmt          = fmt;
+		vopen->vbuf_q.field = f->fmt.pix.field;
+		vopen->vbuf_q.last  = V4L2_FIELD_INTERLACED;
+		vopen->width        = f->fmt.pix.width;
+		vopen->height       = f->fmt.pix.height;
+		chan->init.fmt      = fmt;
+		chan->init.width    = f->fmt.pix.width;
+		chan->init.height   = f->fmt.pix.height;
+		mutex_unlock(&vopen->vbuf_q.lock);
+
+		return 0;
+	}
+	case V4L2_BUF_TYPE_VIDEO_OVERLAY:
+		return -EINVAL;
+	case V4L2_BUF_TYPE_VBI_CAPTURE:
+		return -EINVAL;
+	default:
+		return -EINVAL;
+	}
+}
+
+/****************************************************************************/
+/* SG support ***************************************************************/
+/****************************************************************************/
+
+static inline enum km_type ngene_kmap_type(int out)
+{
+	return ngene_km_types[(in_softirq() ? 2 : 0) + out];
+}
+
+static inline void *ngene_kmap(struct page *page, int out)
+{
+	return kmap_atomic(page, ngene_kmap_type(out));
+}
+
+static inline void ngene_kunmap(void *vaddr, int out)
+{
+	kunmap_atomic(vaddr, ngene_kmap_type(out));
+}
+
+struct scatter_walk {
+	struct scatterlist *sg;
+	struct page        *page;
+	void               *data;
+	unsigned int        len_this_page;
+	unsigned int        len_this_segment;
+	unsigned int        offset;
+};
+
+static inline struct scatterlist *sg_next(struct scatterlist *sg)
+{
+	return sg + 1;
+}
+
+void *scatterwalk_whichbuf(struct scatter_walk *walk, unsigned int nbytes)
+{
+	if (nbytes <= walk->len_this_page &&
+	    (((unsigned long)walk->data) &
+	     (PAGE_CACHE_SIZE - 1)) + nbytes <= PAGE_CACHE_SIZE)
+		return walk->data;
+	else
+		return walk->data;
+}
+
+void scatterwalk_start(struct scatter_walk *walk, struct scatterlist *sg)
+{
+	unsigned int rest_of_page;
+
+	walk->sg = sg;
+	walk->page = sg->page;
+	walk->len_this_segment = sg->length;
+	rest_of_page = PAGE_CACHE_SIZE - (sg->offset & (PAGE_CACHE_SIZE - 1));
+	walk->len_this_page = min(sg->length, rest_of_page);
+	walk->offset = sg->offset;
+}
+
+void scatterwalk_map(struct scatter_walk *walk, int out)
+{
+	walk->data = ngene_kmap(walk->page, out) + walk->offset;
+}
+
+static void scatterwalk_pagedone(struct scatter_walk *walk, int out,
+				 unsigned int more)
+{
+	/* walk->data may be pointing the first byte of the next page;
+	   however, we know we transfered at least one byte.  So,
+	   walk->data - 1 will be a virtual address in the mapped page. */
+
+	if (out)
+		flush_dcache_page(walk->page);
+
+	if (more) {
+		walk->len_this_segment -= walk->len_this_page;
+
+		if (walk->len_this_segment) {
+			walk->page++;
+			walk->len_this_page = min(walk->len_this_segment,
+						  (unsigned)PAGE_CACHE_SIZE);
+			walk->offset = 0;
+		} else {
+			scatterwalk_start(walk, sg_next(walk->sg));
+		}
+	}
+}
+
+void scatterwalk_done(struct scatter_walk *walk, int out, int more)
+{
+	ngene_kunmap(walk->data, out);
+	if (walk->len_this_page == 0 || !more)
+		scatterwalk_pagedone(walk, out, more);
+}
+
+/*
+ * Do not call this unless the total length of all of the fragments
+ * has been verified as multiple of the block size.
+ */
+int scatterwalk_copychunks(struct scatter_walk *walk, size_t nbytes, int out)
+{
+	walk->offset += nbytes;
+	walk->len_this_page -= nbytes;
+	walk->len_this_segment -= nbytes;
+	return 0;
+}
+
+static void *vid_exchange(void *priv, void *buf, u32 len, u32 clock, u32 flags)
+{
+	struct ngene_channel *chan = priv;
+	struct ngene_buffer *item;
+	int wstrich, hstrich;
+	u8 *odd, *even;
+	u32 bpl = chan->tvnorms[chan->tvnorm].swidth * 2;
+
+	struct scatter_walk walk_out;
+	const unsigned int bsize = PAGE_SIZE;
+	unsigned int nbytes;
+	int rest_of_buffer, ah, rwstrich;
+
+	spin_lock(&chan->s_lock);
+
+	if (list_empty(&chan->capture)) {
+		chan->evenbuffer = NULL;
+		goto out;
+	}
+	item = list_entry(chan->capture.next, struct ngene_buffer, vb.queue);
+
+	if (chan->tvnorms[chan->tvnorm].sheight == 1080)
+		buf += 3840;
+
+	odd = buf;
+
+	hstrich = item->vb.height;
+	if (hstrich > chan->tvnorms[chan->tvnorm].sheight)
+		hstrich = chan->tvnorms[chan->tvnorm].sheight;
+
+	wstrich = item->vb.width;
+	if (wstrich > chan->tvnorms[chan->tvnorm].swidth)
+		wstrich = chan->tvnorms[chan->tvnorm].swidth;
+	wstrich <<= 1;
+
+	if (flags & BEF_EVEN_FIELD) {
+		chan->evenbuffer = buf;
+		if (chan->lastbufferflag) {
+			chan->lastbufferflag = 0;
+			if (chan->tvnorms[chan->tvnorm].sheight == 576) {
+				memcpy(buf + 413280, BlackLine, 1440);
+				memcpy(buf + 411840, BlackLine, 1440);
+			}
+			goto out;
+		}
+	}
+	chan->lastbufferflag = 1;
+	if (chan->evenbuffer)
+		even = chan->evenbuffer;
+	else
+		even = odd;
+	if (chan->tvnorms[chan->tvnorm].sheight == 576) {
+		memcpy(odd + 413280, BlackLine, 1440);
+		memcpy(odd + 411840, BlackLine, 1440);
+	}
+	nbytes = item->vb.dma.sglen * PAGE_SIZE;
+	scatterwalk_start(&walk_out, item->vb.dma.sglist);
+	ah = 0;
+	rwstrich = wstrich;
+	do {
+		u8 *dst_p;
+
+		rest_of_buffer = bsize;
+		scatterwalk_map(&walk_out, 1);
+		dst_p = scatterwalk_whichbuf(&walk_out, bsize);
+		nbytes -= bsize;
+		scatterwalk_copychunks(&walk_out, bsize, 1);
+
+		while (rest_of_buffer > 0 && ah < hstrich) {
+			if (rest_of_buffer >= rwstrich) {
+				if (ah % 2 == 0) {
+					memcpy(walk_out.data +
+					       (bsize - rest_of_buffer),
+					       odd, rwstrich);
+					odd += bpl - (wstrich - rwstrich);
+				} else {
+					memcpy(walk_out.data +
+					       (bsize - rest_of_buffer),
+					       even, rwstrich);
+					even += bpl - (wstrich - rwstrich);
+				}
+				rest_of_buffer -= rwstrich;
+				ah++;
+				rwstrich = wstrich;
+			} else {
+				if (ah % 2 == 0) {
+					memcpy(walk_out.data +
+					       (bsize - rest_of_buffer),
+					       odd, rest_of_buffer);
+					odd += rest_of_buffer;
+				} else {
+					memcpy(walk_out.data +
+					       (bsize - rest_of_buffer),
+					       even, rest_of_buffer);
+					even += rest_of_buffer;
+				}
+				rwstrich -= rest_of_buffer;
+				rest_of_buffer = 0;
+			}
+		}
+		scatterwalk_done(&walk_out, 1, nbytes);
+	} while (nbytes && ah < hstrich);
+
+	{
+		struct timeval ts;
+		do_gettimeofday(&ts);
+		list_del(&item->vb.queue);
+		item->vb.state = STATE_DONE;
+		item->vb.ts = ts;
+		wake_up(&item->vb.done);
+		chan->evenbuffer = NULL;
+	}
+
+out:
+	spin_unlock(&chan->s_lock);
+	return 0;
+}
+
+static void *snd_exchange(void *priv, void *buf, u32 len, u32 clock, u32 flags)
+{
+	struct ngene_channel *chan = priv;
+	struct mychip *mychip = chan->mychip;
+
+	if (chan->audiomute == 0)
+		memcpy(chan->soundbuffer, (u8 *) buf, MAX_AUDIO_BUFFER_SIZE);
+	else
+		memset(chan->soundbuffer, 0, MAX_AUDIO_BUFFER_SIZE);
+
+	if (mychip->substream != NULL) {
+		if (chan->sndbuffflag == 0)
+			chan->sndbuffflag = 1;
+		else
+			chan->sndbuffflag = 0;
+		spin_unlock(&mychip->lock);
+		snd_pcm_period_elapsed(mychip->substream);
+		spin_lock(&mychip->lock);
+	}
+	return 0;
+}
+
+static void set_analog_transfer(struct ngene_channel *chan, int state)
+{
+	struct ngene_channel *ch;
+	u8 flags = 0;
+
+	ch = &chan->dev->channel[chan->number + 2];
+	/* printk(KERN_INFO "set_analog_transfer %d\n", state); */
+
+	if (1) { /* chan->tun_dec_rdy == 1){ */
+		if (state) {
+
+			chan->Capture1Length =
+				chan->tvnorms[chan->tvnorm].swidth *
+				chan->tvnorms[chan->tvnorm].sheight;
+			if (chan->tvnorms[chan->tvnorm].sheight == 576)
+				chan->nLines = 287;
+			else if (chan->tvnorms[chan->tvnorm].sheight == 1080)
+				chan->nLines = 541;
+			else
+				chan->nLines =
+					chan->tvnorms[chan->tvnorm].sheight / 2;
+			chan->nBytesPerLine =
+				chan->tvnorms[chan->tvnorm].swidth * 2;
+			if (chan->dev->card_info->io_type[chan->number] ==
+			    NGENE_IO_HDTV) {
+				chan->itumode = 2;
+				flags = SFLAG_ORDER_LUMA_CHROMA;
+			} else {
+				chan->itumode = 0;
+				flags = SFLAG_ORDER_LUMA_CHROMA;
+			}
+			chan->pBufferExchange = vid_exchange;
+			ngene_command_stream_control(chan->dev, chan->number,
+						     0x80,
+						     SMODE_VIDEO_CAPTURE,
+						     flags);
+
+			ch->Capture1Length = MAX_AUDIO_BUFFER_SIZE;
+			ch->pBufferExchange = snd_exchange;
+			ngene_command_stream_control(ch->dev, ch->number,
+						     0x80,
+						     SMODE_AUDIO_CAPTURE, 0);
+			ch->soundstreamon = 1;
+		} else {
+			ngene_command_stream_control(chan->dev, chan->number,
+						     0, 0, 0);
+			ngene_command_stream_control(ch->dev, ch->number,
+						     0, 0, 0);
+			ch->soundstreamon = 0;
+		}
+	}
+}
+
+static int ngene_analog_start_feed(struct ngene_channel *chan)
+{
+	int freerunmode = 1;
+	struct i2c_adapter *adapter = &chan->i2c_adapter;
+
+	if (chan->users == 0 && chan->number < 2) {
+		chan->evenbuffer = NULL;
+		chan->users = 1;
+		i2c_clients_command(adapter, IOCTL_MIC_DEC_FREESYNC,
+				    &freerunmode);
+		msleep(25);
+		set_analog_transfer(chan, 1);
+		msleep(25);
+		freerunmode = 0;
+		i2c_clients_command(adapter, IOCTL_MIC_DEC_FREESYNC,
+				    &freerunmode);
+	}
+	return chan->users;
+}
+
+static int ngene_analog_stop_feed(struct ngene_channel *chan)
+{
+	int freerunmode = 1;
+	struct i2c_adapter *adapter = &chan->i2c_adapter;
+	if (chan->users == 1 && chan->number < 2) {
+		chan->users = 0;
+		i2c_clients_command(adapter,
+				    IOCTL_MIC_DEC_FREESYNC, &freerunmode);
+		msleep(20);
+		set_analog_transfer(chan, 0);
+	}
+	return 0;
+}
+
+/****************************************************************************/
+/* V4L2 API interface *******************************************************/
+/****************************************************************************/
+
+void ngene_dma_free(struct videobuf_queue *q,
+		    struct ngene_channel *chan, struct ngene_buffer *buf)
+{
+	videobuf_waiton(&buf->vb, 0, 0);
+	videobuf_dma_unmap(q, &buf->vb.dma);
+	videobuf_dma_free(&buf->vb.dma);
+	buf->vb.state = STATE_NEEDS_INIT;
+}
+
+static int ngene_prepare_buffer(struct videobuf_queue *q,
+				struct ngene_channel *chan,
+				struct ngene_buffer *buf,
+				const struct ngene_format *fmt,
+				unsigned int width, unsigned int height,
+				enum v4l2_field field)
+{
+	int rc = 0;
+	/* check settings */
+	if (NULL == fmt)
+		return -EINVAL;
+
+	if (width < 48 || height < 32)
+		return -EINVAL;
+
+	buf->vb.size = (width * height * 16 /* fmt->depth */) >> 3;
+	if (0 != buf->vb.baddr && buf->vb.bsize < buf->vb.size)
+		return -EINVAL;
+
+	/* alloc + fill struct ngene_buffer (if changed) */
+	if (buf->vb.width != width || buf->vb.height != height ||
+	    buf->vb.field != field || buf->fmt != fmt ||
+	    buf->tvnorm != chan->tvnorm) {
+
+		buf->vb.width  = width;
+		buf->vb.height = height;
+		buf->vb.field  = field;
+		buf->tvnorm    = chan->tvnorm;
+		buf->fmt       = fmt;
+
+		ngene_dma_free(q, chan, buf);
+	}
+
+	if (0 != buf->vb.baddr && buf->vb.bsize < buf->vb.size)
+		return -EINVAL;
+
+	if (buf->vb.field == 0)
+		buf->vb.field = V4L2_FIELD_INTERLACED;
+
+	if (STATE_NEEDS_INIT == buf->vb.state) {
+		buf->vb.width  = width;
+		buf->vb.height = height;
+		buf->vb.field  = field;
+		buf->tvnorm    = chan->tvnorm;
+		buf->fmt       = fmt;
+
+		rc = videobuf_iolock(q, &buf->vb, &chan->fbuf);
+		if (0 != rc)
+			goto fail;
+	}
+	if (!buf->vb.dma.bus_addr)
+		videobuf_dma_sync(q, &buf->vb.dma);
+	buf->vb.state = STATE_PREPARED;
+	return 0;
+
+fail:
+	ngene_dma_free(q, chan, buf);
+	return rc;
+
+}
+
+static int buffer_setup(struct videobuf_queue *q,
+			unsigned int *count, unsigned int *size)
+{
+	struct ngene_vopen *vopen = q->priv_data;
+	*size = 2 * vopen->width * vopen->height;
+	if (0 == *count)
+		*count = gbuffers;
+	while (*size * *count > gbuffers * gbufsize)
+		(*count)--;
+	q->field = V4L2_FIELD_INTERLACED;
+	q->last = V4L2_FIELD_INTERLACED;
+	return 0;
+}
+
+static int buffer_prepare(struct videobuf_queue *q, struct videobuf_buffer *vb,
+			  enum v4l2_field field)
+{
+	struct ngene_buffer *buf = container_of(vb, struct ngene_buffer, vb);
+	struct ngene_vopen *vopen = q->priv_data;
+	return ngene_prepare_buffer(q, vopen->ch, buf, vopen->fmt,
+				    vopen->width, vopen->height, field);
+}
+
+static void buffer_release(struct videobuf_queue *q, struct videobuf_buffer *vb)
+{
+	struct ngene_buffer *buf = container_of(vb, struct ngene_buffer, vb);
+	struct ngene_vopen *vopen = q->priv_data;
+	ngene_dma_free(q, vopen->ch, buf);
+}
+
+static void buffer_queue(struct videobuf_queue *q, struct videobuf_buffer *vb)
+{
+	struct ngene_buffer *buf = container_of(vb, struct ngene_buffer, vb);
+	struct ngene_vopen *vopen = q->priv_data;
+	struct ngene_channel *chan = vopen->ch;
+
+	buf->vb.state = STATE_QUEUED;
+	list_add_tail(&buf->vb.queue, &chan->capture);
+}
+
+static struct videobuf_queue_ops ngene_video_qops = {
+	.buf_setup    = buffer_setup,
+	.buf_prepare  = buffer_prepare,
+	.buf_queue    = buffer_queue,
+	.buf_release  = buffer_release,
+};
+
+int video_open(struct inode *inode, struct file *flip)
+{
+	struct ngene_vopen *vopen = NULL;
+	enum v4l2_buf_type type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
+	struct video_device *vd = video_devdata(flip);
+	struct ngene_channel *chan = my_video_get_drvdata(vd);
+
+	vopen = kmalloc(sizeof(*vopen), GFP_KERNEL);
+	if (!vopen)
+		return -ENOMEM;
+	memset(vopen, 0, sizeof(*vopen));
+	flip->private_data = vopen;
+	v4l2_prio_open(&chan->prio, &vopen->prio);
+	vopen->ch = chan;
+	vopen->picxcount = 0;
+	vopen->type = type;
+	videobuf_queue_init(&vopen->vbuf_q, &ngene_video_qops,
+			    chan->dev->pci_dev, &chan->s_lock,
+			    V4L2_BUF_TYPE_VIDEO_CAPTURE,
+			    V4L2_FIELD_INTERLACED,
+			    sizeof(struct ngene_buffer), vopen);
+
+	vopen->ovfmt = ngene_formats;
+	chan->videousers++;
+	if (chan->dev->card_info->switch_ctrl)
+		chan->dev->card_info->switch_ctrl(chan, 2, 1);
+	return 0;
+}
+
+int video_close(struct inode *inode, struct file *filp)
+{
+	struct ngene_vopen *vopen = filp->private_data;
+	struct ngene_channel *chan = vopen->ch;
+
+	chan->videousers--;
+	if (!chan->videousers) {
+		if (chan->dev->card_info->switch_ctrl)
+			chan->dev->card_info->switch_ctrl(chan, 2, 0);
+		ngene_analog_stop_feed(chan);
+	}
+	videobuf_mmap_free(&vopen->vbuf_q);
+	v4l2_prio_close(&chan->prio, &vopen->prio);
+	filp->private_data = NULL;
+	kfree(vopen);
+	return 0;
+}
+
+/****************************************************************************/
+
+static int vid_do_ioctl(struct inode *inode, struct file *file,
+			unsigned int cmd, void *parg)
+{
+	struct ngene_vopen *vopen = file->private_data;
+	struct ngene_channel *chan = vopen->ch;
+	struct ngene *dev = chan->dev;
+	struct i2c_adapter *adap = &chan->i2c_adapter;
+	int retval = 0;
+	int err = 0;
+
+	switch (cmd) {
+
+	case VIDIOC_S_CTRL:
+	{
+		struct v4l2_control *c = parg;
+
+		err = v4l2_prio_check(&chan->prio, &vopen->prio);
+		if (err)
+			return err;
+
+		if (c->id == V4L2_CID_AUDIO_MUTE) {
+			if (c->value)
+				(dev->channel[chan->number + 2]).audiomute = 1;
+			else
+				(dev->channel[chan->number + 2]).audiomute = 0;
+			return 0;
+		}
+		if (c->value != V4L2_CID_AUDIO_MUTE)
+			ngene_analog_stop_feed(chan);
+		i2c_clients_command(adap, cmd, parg);
+		return 0;
+	}
+
+	case VIDIOC_S_TUNER:
+	{
+		err = v4l2_prio_check(&chan->prio, &vopen->prio);
+		if (err != 0)
+			return err;
+		i2c_clients_command(adap, cmd, parg);
+		return 0;
+	}
+
+	case VIDIOC_S_FREQUENCY:
+	{
+		struct v4l2_frequency *f = parg;
+		u8 drxa = dev->card_info->demoda[chan->number];
+
+		if (chan->fe && chan->fe->ops.tuner_ops.set_frequency)
+			chan->fe->ops.tuner_ops.
+				set_frequency(chan->fe, f->frequency * 62500);
+		if (drxa)
+			;
+	}
+
+	case VIDIOC_S_INPUT:
+	{
+		err = v4l2_prio_check(&chan->prio, &vopen->prio);
+		if (err != 0)
+			return err;
+		i2c_clients_command(adap, cmd, parg);
+		return 0;
+	}
+
+	case VIDIOC_G_STD:
+	{
+		v4l2_std_id *id = parg;
+		*id = chan->tvnorms[chan->tvnorm].v4l2_id;
+		return 0;
+	}
+
+	case VIDIOC_S_STD:
+	{
+		v4l2_std_id *id = parg;
+		unsigned int i;
+
+		err = v4l2_prio_check(&chan->prio, &vopen->prio);
+		if (err != 0)
+			return err;
+		ngene_analog_stop_feed(chan);
+		i2c_clients_command(adap, cmd, parg);
+		for (i = 0; i < chan->tvnorm_num; i++)
+			if (*id & chan->tvnorms[i].v4l2_id)
+				break;
+		if (i == chan->tvnorm_num)
+			return -EINVAL;
+
+		chan->tvnorm = i;
+		mdelay(50);
+		ngene_analog_start_feed(chan);
+		return 0;
+	}
+
+	case VIDIOC_G_FREQUENCY:
+	case VIDIOC_G_INPUT:
+	case VIDIOC_S_AUDIO:
+	case VIDIOC_G_AUDIO:
+	case VIDIOC_ENUMAUDIO:
+	case VIDIOC_S_MODULATOR:
+	case VIDIOC_G_MODULATOR:
+	case VIDIOC_G_CTRL:
+	{
+		i2c_clients_command(adap, cmd, parg);
+		return 0;
+	}
+
+	case VIDIOC_G_TUNER:
+	{
+		struct v4l2_tuner *tuner = parg;
+		if (tuner->index != 0)
+			return -EINVAL;
+		i2c_clients_command(adap, cmd, parg);
+
+		if (chan->fe && chan->fe->ops.tuner_ops.get_status) {
+			u32 status;
+
+			chan->fe->ops.tuner_ops.get_status(chan->fe, &status);
+			tuner->signal = status;
+		}
+		return 0;
+	}
+
+	case VIDIOC_QUERYCTRL:
+	{
+		struct v4l2_queryctrl *c = parg;
+		int i;
+
+		if ((c->id <  V4L2_CID_BASE ||
+		     c->id >= V4L2_CID_LASTP1) &&
+		    (c->id <  V4L2_CID_PRIVATE_BASE ||
+		     c->id >= V4L2_CID_PRIVATE_LASTP1))
+			return -EINVAL;
+		for (i = 0; i < NGENE_CTLS; i++)
+			if (ngene_ctls[i].id == c->id)
+				break;
+		if (i == NGENE_CTLS) {
+			*c = no_ctl;
+			return 0;
+		}
+		*c = ngene_ctls[i];
+		return 0;
+	}
+
+	case VIDIOC_G_FMT:
+	{
+		struct v4l2_format *f = parg;
+		ngene_g_fmt(vopen, f);
+	}
+
+	case VIDIOC_S_FMT:
+	{
+		struct v4l2_format *f = parg;
+
+		ngene_analog_stop_feed(chan);
+		return ngene_s_fmt(vopen, chan, f);
+	}
+
+	case VIDIOC_ENUM_FMT:
+	{
+		struct v4l2_fmtdesc *f = parg;
+		enum v4l2_buf_type type;
+		unsigned int i;
+		int index;
+
+		type = f->type;
+		if (V4L2_BUF_TYPE_VBI_CAPTURE == type) {
+			/* vbi
+			index = f->index;
+			if (0 != index)
+				return -EINVAL;
+			memset(f, 0, sizeof(*f));
+			f->index       = index;
+			f->type        = type;
+			f->pixelformat = V4L2_PIX_FMT_GREY;
+			strcpy(f->description, "vbi data"); */
+			return EINVAL;
+		}
+
+		/* video capture + overlay */
+		index = -1;
+		for (i = 0; i < NGENE_FORMATS; i++) {
+			if (ngene_formats[i].fourcc != -1)
+				index++;
+			if ((unsigned int)index == f->index)
+				break;
+		}
+		if (NGENE_FORMATS == i)
+			return -EINVAL;
+
+		switch (f->type) {
+		case V4L2_BUF_TYPE_VIDEO_CAPTURE:
+			break;
+		case V4L2_BUF_TYPE_VIDEO_OVERLAY:
+			/* dprintk(KERN_DEBUG
+				   "Video Overlay not supported yet.\n"); */
+			return -EINVAL;
+			break;
+		default:
+			return -EINVAL;
+		}
+		memset(f, 0, sizeof(*f));
+		f->index       = index;
+		f->type        = type;
+		f->pixelformat = ngene_formats[i].fourcc;
+		strlcpy(f->description,	ngene_formats[i].name,
+			sizeof(f->description));
+		return 0;
+
+	}
+
+	case VIDIOC_QUERYSTD:
+	{
+		v4l2_std_id *id = parg;
+		*id = V4L2_STD_625_50 | V4L2_STD_525_60;
+		return 0;
+	}
+
+	case VIDIOC_ENUMSTD:
+	{
+		struct v4l2_standard *e = parg;
+		unsigned int index = e->index;
+
+		if (index >= chan->tvnorm_num)
+			return -EINVAL;
+		v4l2_video_std_construct(e, chan->tvnorms[e->index].v4l2_id,
+					 chan->tvnorms[e->index].name);
+		e->index = index;
+		return 0;
+	}
+
+	case VIDIOC_QUERYCAP:
+	{
+		static char driver[] = {'n', 'G', 'e', 'n', 'e', '\0'};
+		static char card[] = {'M', 'k', '4', 'x', 'x', '\0'};
+		struct v4l2_capability *cap = parg;
+
+		memset(cap, 0, sizeof(*cap));
+		if (dev->nr == 0)
+			card[3] = '0';
+		else
+			card[3] = '1';
+		if (chan->number)
+			card[4] = 'a';
+		else
+			card[4] = 'b';
+		strlcpy(cap->driver, driver, sizeof(cap->driver));
+		strlcpy(cap->card, card, sizeof(cap->card));
+		cap->bus_info[0] = 0;
+		cap->version = KERNEL_VERSION(0, 8, 1);
+		cap->capabilities = V4L2_CAP_VIDEO_CAPTURE|
+			V4L2_CAP_TUNER|V4L2_CAP_AUDIO|
+			V4L2_CAP_READWRITE|V4L2_CAP_STREAMING;
+		return 0;
+	}
+
+	case VIDIOC_ENUMINPUT:
+	{
+		static char *inputname[2] = {
+			"AnalogTuner",
+			"S-Video"
+		};
+
+		struct v4l2_input *i = parg;
+		unsigned int index;
+		index = i->index;
+
+		if (index > 1)
+			return -EINVAL;
+
+		memset(i, 0, sizeof(*i));
+		i->index = index;
+		strlcpy(i->name, inputname[index], sizeof(i->name));
+
+		i->type = index ? V4L2_INPUT_TYPE_CAMERA :
+			V4L2_INPUT_TYPE_TUNER;
+		i->audioset = 0;
+		i->tuner = 0;
+		i->std = V4L2_STD_PAL_BG | V4L2_STD_NTSC_M;
+		i->status = 0;/* V4L2_IN_ST_NO_H_LOCK; */
+		return 0;
+	}
+
+	case VIDIOC_G_PARM:
+		return -EINVAL;
+
+	case VIDIOC_S_PARM:
+		return -EINVAL;
+
+	case VIDIOC_G_PRIORITY:
+	{
+		enum v4l2_priority *prio = parg;
+		*prio = v4l2_prio_max(&chan->prio);
+		return 0;
+	}
+
+	case VIDIOC_S_PRIORITY:
+	{
+		enum v4l2_priority *prio = parg;
+		return v4l2_prio_change(&chan->prio, &vopen->prio, *prio);
+		return 0;
+	}
+
+	case VIDIOC_CROPCAP:
+		return -EINVAL;
+
+	case VIDIOC_G_CROP:
+		return -EINVAL;
+
+	case VIDIOC_S_CROP:
+		return -EINVAL;
+
+	case VIDIOC_G_FBUF:
+	{
+		struct v4l2_framebuffer *fb = parg;
+
+		*fb = chan->fbuf;
+		fb->capability = 0;
+		if (vopen->ovfmt)
+			fb->fmt.pixelformat = vopen->ovfmt->fourcc;
+		return 0;
+	}
+
+	case VIDIOC_REQBUFS:
+		return videobuf_reqbufs(ngene_queue(vopen), parg);
+
+	case VIDIOC_QUERYBUF:
+		return videobuf_querybuf(ngene_queue(vopen), parg);
+
+	case VIDIOC_QBUF:
+		return videobuf_qbuf(ngene_queue(vopen), parg);
+
+	case VIDIOC_DQBUF:
+		return videobuf_dqbuf(ngene_queue(vopen), parg,
+				      file->f_flags & O_NONBLOCK);
+
+	case VIDIOC_S_FBUF:
+	{
+		/* ngene_analog_stop_feed(chan); */
+		struct v4l2_framebuffer *fb = parg;
+		const struct ngene_format *fmt;
+
+		if (!capable(CAP_SYS_ADMIN) && !capable(CAP_SYS_RAWIO))
+			return -EPERM;
+
+		/* check args */
+		fmt = ngene_formats; /*format_by_fourcc(fb->fmt.pixelformat);*/
+		if (NULL == fmt)
+			return -EINVAL;
+
+		if (0 == (fmt->flags & 0x02 /*FORMAT_FLAGS_PACKED*/))
+			return -EINVAL;
+
+		mutex_lock(&vopen->vbuf_q.lock);
+		retval = -EINVAL;
+
+		if (fb->flags & V4L2_FBUF_FLAG_OVERLAY) {
+			int maxLinesPerField;
+
+			if (fb->fmt.width >
+			    chan->tvnorms[chan->tvnorm].swidth)
+				goto vopen_unlock_and_return;
+			maxLinesPerField = chan->tvnorms[chan->tvnorm].sheight;
+			if (fb->fmt.height > maxLinesPerField)
+				goto vopen_unlock_and_return;
+		}
+
+		/* ok, accept it */
+		chan->fbuf.base       = fb->base;
+		chan->fbuf.fmt.width  = fb->fmt.width;
+		chan->fbuf.fmt.height = fb->fmt.height;
+		if (0 != fb->fmt.bytesperline)
+			chan->fbuf.fmt.bytesperline = fb->fmt.bytesperline;
+		else
+			chan->fbuf.fmt.bytesperline =
+				chan->fbuf.fmt.width * fmt->depth / 8;
+
+		retval = 0;
+		vopen->ovfmt = fmt;
+		chan->init.ovfmt = fmt;
+
+vopen_unlock_and_return:
+		mutex_unlock(&vopen->vbuf_q.lock);
+		return retval;
+
+	}
+
+	case VIDIOC_ENUMOUTPUT:
+		return -EINVAL;
+
+	case VIDIOC_TRY_FMT:
+	{
+		struct v4l2_format *f = parg;
+		return ngene_try_fmt(vopen, chan, f);
+
+	}
+
+	case VIDIOC_STREAMON:
+	{
+		int res = ngene_resource(vopen);
+		if (!check_alloc_res(chan, vopen, res))
+			return -EBUSY;
+		ngene_analog_start_feed(chan);
+		return videobuf_streamon(ngene_queue(vopen));
+	}
+
+	case VIDIOC_STREAMOFF:
+	{
+		int res = ngene_resource(vopen);
+		int retval = videobuf_streamoff(ngene_queue(vopen));
+		ngene_analog_stop_feed(chan);
+		if (retval < 0)
+			return retval;
+
+		free_res(chan, vopen, res);
+		return 0;
+	}
+
+	case VIDIOC_OVERLAY:
+		return -EINVAL;
+
+	case VIDIOCGFBUF:
+	{
+		struct video_buffer *vb = parg;
+
+		memset(vb, 0, sizeof(*vb));
+		return 0;
+	}
+
+	default:
+		err = -EINVAL;
+		break;
+	}
+	return err;
+}
+
+/*
+static int vid_ioctl(struct inode *inode, struct file *file,
+			   unsigned int cmd, unsigned long arg)
+{
+	return video_usercopy(inode, file, cmd, arg, vid_do_ioctl);
+}
+*/
+static unsigned int video_fix_command(unsigned int cmd)
+{
+	switch (cmd) {
+	}
+	return cmd;
+}
+
+static int vid_ioctl(struct inode *inode, struct file *file,
+		     unsigned int cmd, unsigned long arg)
+{
+	void *parg = (void *)arg, *pbuf = NULL;
+	char  buf[64];
+	int   res = -EFAULT;
+	cmd = video_fix_command(cmd);
+
+	if (_IOC_DIR(cmd) & _IOC_WRITE) {
+		parg = buf;
+		if (_IOC_SIZE(cmd) > sizeof(buf)) {
+			pbuf = kmalloc(_IOC_SIZE(cmd), GFP_KERNEL);
+			if (!pbuf)
+				return -ENOMEM;
+			parg = pbuf;
+		}
+		if (copy_from_user(parg, (void __user *)arg, _IOC_SIZE(cmd)))
+			goto error;
+	}
+	res = vid_do_ioctl(inode, file, cmd, parg);
+	if (res < 0)
+		goto error;
+	if (_IOC_DIR(cmd) & _IOC_READ)
+		if (copy_to_user((void __user *)arg, parg, _IOC_SIZE(cmd)))
+			res = -EFAULT;
+error:
+	kfree(pbuf);
+	return res;
+}
+
+static int ngene_mmap(struct file *file, struct vm_area_struct *vma)
+{
+	struct ngene_vopen *vopen = file->private_data;
+	return videobuf_mmap_mapper(ngene_queue(vopen), vma);
+}
+
+#define MAGIC_BUFFER 0x20040302
+void *my_videobuf_alloc(unsigned int size)
+{
+	struct videobuf_buffer *vb;
+
+	vb = kmalloc(size, GFP_KERNEL);
+	if (NULL != vb) {
+		memset(vb, 0, size);
+		videobuf_dma_init(&vb->dma);
+		init_waitqueue_head(&vb->done);
+		vb->magic = MAGIC_BUFFER;
+	}
+	return vb;
+}
+
+static ssize_t driver_read(struct file *file, char *user,
+			   size_t count, loff_t *offset)
+{
+	char __user *data = user;
+	struct ngene_channel *chan;
+	int retval = 0;
+	struct videobuf_queue *q;
+	struct ngene_vopen *vopen = file->private_data;
+	int nonblocking = file->f_flags & O_NONBLOCK;
+	enum v4l2_field field;
+	unsigned long flags;
+	unsigned size, nbufs, bytes;
+
+	if (!vopen)
+		return 0;
+
+	chan = vopen->ch;
+	q = &vopen->vbuf_q;
+
+	mutex_lock(&q->lock);
+	nbufs = 1;
+	size = 0;
+	q->ops->buf_setup(q, &nbufs, &size);
+
+	if (NULL == q->read_buf) {
+		/* need to capture a new frame */
+		retval = -ENOMEM;
+		q->read_buf = my_videobuf_alloc(q->msize);
+		if (NULL == q->read_buf)
+			goto done;
+
+		q->read_buf->memory = V4L2_MEMORY_USERPTR;
+		field = V4L2_FIELD_INTERLACED;
+		retval = q->ops->buf_prepare(q, q->read_buf, field);
+		if (0 != retval) {
+			kfree(q->read_buf);
+			q->read_buf = NULL;
+			goto done;
+		}
+
+		spin_lock_irqsave(q->irqlock, flags);
+		q->ops->buf_queue(q, q->read_buf);
+		spin_unlock_irqrestore(q->irqlock, flags);
+		q->read_off = 0;
+	}
+
+	ngene_analog_start_feed(chan);
+	/* wait until capture is done */
+	retval = videobuf_waiton(q->read_buf, nonblocking, 1);
+	if (0 != retval)
+		goto done;
+	videobuf_dma_sync(q, &q->read_buf->dma);
+
+	if (STATE_ERROR == q->read_buf->state) {
+		/* catch I/O errors */
+		q->ops->buf_release(q, q->read_buf);
+		kfree(q->read_buf);
+		q->read_buf = NULL;
+		retval = -EIO;
+		goto done;
+	}
+
+	/* copy to userspace */
+	bytes = count;
+	if (bytes > q->read_buf->size - q->read_off)
+		bytes = q->read_buf->size - q->read_off;
+	retval = -EFAULT;
+
+	if (copy_to_user(data, q->read_buf->dma.vmalloc + q->read_off, bytes))
+		goto done;
+
+	retval = bytes;
+
+	q->read_off += bytes;
+	if (q->read_off == q->read_buf->size) {
+		/* all data copied, cleanup */
+		q->ops->buf_release(q, q->read_buf);
+		kfree(q->read_buf);
+		q->read_buf = NULL;
+	}
+
+done:
+	mutex_unlock(&q->lock);
+
+	ngene_analog_stop_feed(chan);
+
+	return retval;
+}
+
+static unsigned int ngene_poll(struct file *file, poll_table *wait)
+{
+	struct ngene_vopen *vopen = file->private_data;
+	struct ngene_buffer *buf;
+	enum v4l2_field field;
+
+	if (check_res(vopen, RESOURCE_VIDEO)) {
+		/* streaming capture */
+		if (list_empty(&vopen->vbuf_q.stream))
+			return POLLERR;
+		buf = list_entry(vopen->vbuf_q.stream.next,
+				 struct ngene_buffer, vb.stream);
+	} else {
+		/* read() capture */
+		mutex_lock(&vopen->vbuf_q.lock);
+		if (NULL == vopen->vbuf_q.read_buf) {
+			/* need to capture a new frame */
+			if (locked_res(vopen->ch, RESOURCE_VIDEO)) {
+				mutex_unlock(&vopen->vbuf_q.lock);
+				return POLLERR;
+			}
+			vopen->vbuf_q.read_buf =
+				videobuf_alloc(vopen->vbuf_q.msize);
+			if (NULL == vopen->vbuf_q.read_buf) {
+				mutex_unlock(&vopen->vbuf_q.lock);
+				return POLLERR;
+			}
+			vopen->vbuf_q.read_buf->memory = V4L2_MEMORY_USERPTR;
+			field = videobuf_next_field(&vopen->vbuf_q);
+			if (0 !=
+			    vopen->vbuf_q.ops->
+			    buf_prepare(&vopen->vbuf_q,
+					vopen->vbuf_q.read_buf, field)) {
+				mutex_unlock(&vopen->vbuf_q.lock);
+				return POLLERR;
+			}
+			vopen->vbuf_q.ops->buf_queue(&vopen->vbuf_q,
+						     vopen->vbuf_q.read_buf);
+			vopen->vbuf_q.read_off = 0;
+		}
+		mutex_unlock(&vopen->vbuf_q.lock);
+		buf = (struct ngene_buffer *)vopen->vbuf_q.read_buf;
+	}
+
+	poll_wait(file, &buf->vb.done, wait);
+	if (buf->vb.state == STATE_DONE || buf->vb.state == STATE_ERROR)
+		return POLLIN | POLLRDNORM;
+	return 0;
+}
+
+static const struct file_operations ngene_fops = {
+	.owner    = THIS_MODULE,
+	.read     = driver_read,
+	.write    = 0,
+	.open     = video_open,
+	.release  = video_close,
+	.ioctl    = vid_ioctl,
+	.poll     = ngene_poll,
+	.mmap     = ngene_mmap,
+};
+
+static struct video_device ngene_cinfo = {
+	.name     = "analog_Ngene",
+	.type     = VID_TYPE_CAPTURE | VID_TYPE_TUNER | VID_TYPE_SCALES,
+	.fops     = &ngene_fops,
+	.minor    = -1,
+};
+
+void ngene_v4l2_remove(struct ngene_channel *chan)
+{
+	video_unregister_device(chan->v4l_dev);
+}
+
+int ngene_v4l2_init(struct ngene_channel *chan)
+{
+	int ret = 0;
+	struct video_device *v_dev;
+
+	chan->evenbuffer = NULL;
+	chan->dma_on = 0;
+
+	v_dev = video_device_alloc();
+	*v_dev = ngene_cinfo;
+	/* v_dev->dev = &(chan->dev->pci_dev->dev); */
+	v_dev->release = video_device_release;
+	v_dev->minor = -1;
+	video_register_device(v_dev, VFL_TYPE_GRABBER, -1);
+	snprintf(v_dev->name, sizeof(v_dev->name), "AnalognGene%d",
+		 v_dev->minor);
+	chan->v4l_dev = v_dev;
+	chan->minor = v_dev->minor;
+	printk(KERN_INFO "nGene V4L2 device video%d registered.\n",
+	       v_dev->minor);
+
+	v_dev->dev = &chan->device;
+	my_video_set_drvdata(chan->v4l_dev, chan);
+
+	v4l2_prio_init(&chan->prio);
+
+	if (chan->dev->card_info->io_type[chan->number] == NGENE_IO_HDTV) {
+		chan->tvnorms = ngene_tvnorms_hd;
+		chan->tvnorm_num = 1;
+	} else {
+		chan->tvnorms = ngene_tvnorms_sd;
+		chan->tvnorm_num = NGENE_TVNORMS;
+	}
+	chan->tvnorm = 0;
+
+	spin_lock_init(&chan->s_lock);
+	init_MUTEX(&chan->reslock);
+	INIT_LIST_HEAD(&chan->capture);
+	chan->users            = 0;
+	chan->videousers       = 0;
+	chan->init.ov.w.width  = 384;
+	chan->init.ov.w.height = 288;
+	chan->init.fmt         = ngene_formats;
+	chan->init.width       = 384;
+	chan->init.height      = 288;
+	chan->tun_rdy          = 0;
+	chan->dec_rdy          = 0;
+	chan->tun_dec_rdy      = 0;
+	chan->lastbufferflag   = -1;
+
+	if (chan->dev->card_info->avf[chan->number])
+		avf4910a_attach(&chan->i2c_adapter,
+				chan->dev->card_info->avf[chan->number]);
+
+	return ret;
+}

drivers/media/dvb/ngene/ngene.h

+/*
+ * ngene.h: nGene PCIe bridge driver
+ *
+ * Copyright (C) 2005-2007 Micronas
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * version 2 only, as published by the Free Software Foundation.
+ *
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+ * 02110-1301, USA
+ * Or, point your browser to http://www.gnu.org/copyleft/gpl.html
+ */
+
+#ifndef _NGENE_H_
+#define _NGENE_H_
+
+#define ONE_ADAPTER
+#define NGENE_COMMAND_API
+/*#define NGENE_V4L*/
+
+#include <linux/types.h>
+#include <linux/sched.h>
+#include <linux/interrupt.h>
+#include <linux/i2c.h>
+#include <asm/dma.h>
+#include <asm/scatterlist.h>
+#include <sound/driver.h>
+#include <sound/core.h>
+#include <sound/initval.h>
+#include <sound/control.h>
+#include <sound/pcm.h>
+#include <sound/pcm_params.h>
+
+#include <linux/dvb/frontend.h>
+#include <linux/dvb/ca.h>
+#include <linux/dvb/video.h>
+#include <linux/dvb/audio.h>
+
+#include "dmxdev.h"
+#include "dvbdev.h"
+#include "dvb_demux.h"
+#include "dvb_frontend.h"
+#include "dvb_ringbuffer.h"
+#include "drxd.h"
+#include "drxh.h"
+#include "xc3028.h"
+#include "stb0899.h"
+#include "stv0900.h"
+#include "mt2060.h"
+
+#ifdef NGENE_V4L
+#include <media/v4l2-dev.h>
+#include <media/videobuf-core.h>
+#include <linux/videodev.h>
+#endif
+
+#define NGENE_VID       0x18c3
+#define NGENE_PID       0x0720
+
+#ifndef VIDEO_CAP_VC1
+#define VIDEO_CAP_AVC   128
+#define VIDEO_CAP_H264  128
+#define VIDEO_CAP_VC1   256
+#define VIDEO_CAP_WMV9  256
+#define VIDEO_CAP_MPEG4 512
+#endif
+
+enum STREAM {
+	STREAM_VIDEOIN1 = 0,        /* ITU656 or TS Input */
+	STREAM_VIDEOIN2,
+	STREAM_AUDIOIN1,            /* I2S or SPI Input */
+	STREAM_AUDIOIN2,
+	STREAM_AUDIOOUT,
+	MAX_STREAM
+};
+
+enum SMODE_BITS {
+	SMODE_AUDIO_SPDIF = 0x20,
+	SMODE_AVSYNC = 0x10,
+	SMODE_TRANSPORT_STREAM = 0x08,
+	SMODE_AUDIO_CAPTURE = 0x04,
+	SMODE_VBI_CAPTURE = 0x02,
+	SMODE_VIDEO_CAPTURE = 0x01
+};
+
+enum STREAM_FLAG_BITS {
+	SFLAG_CHROMA_FORMAT_2COMP  = 0x01, /* Chroma Format : 2's complement */
+	SFLAG_CHROMA_FORMAT_OFFSET = 0x00, /* Chroma Format : Binary offset */
+	SFLAG_ORDER_LUMA_CHROMA    = 0x02, /* Byte order: Y,Cb,Y,Cr */
+	SFLAG_ORDER_CHROMA_LUMA    = 0x00, /* Byte order: Cb,Y,Cr,Y */
+	SFLAG_COLORBAR             = 0x04, /* Select colorbar */
+};
+
+#define PROGRAM_ROM     0x0000
+#define PROGRAM_SRAM    0x1000
+#define PERIPHERALS0    0x8000
+#define PERIPHERALS1    0x9000
+#define SHARED_BUFFER   0xC000
+
+#define HOST_TO_NGENE    (SHARED_BUFFER+0x0000)
+#define NGENE_TO_HOST    (SHARED_BUFFER+0x0100)
+#define NGENE_COMMAND    (SHARED_BUFFER+0x0200)
+#define NGENE_COMMAND_HI (SHARED_BUFFER+0x0204)
+#define NGENE_STATUS     (SHARED_BUFFER+0x0208)
+#define NGENE_STATUS_HI  (SHARED_BUFFER+0x020C)
+#define NGENE_EVENT      (SHARED_BUFFER+0x0210)
+#define NGENE_EVENT_HI   (SHARED_BUFFER+0x0214)
+#define VARIABLES        (SHARED_BUFFER+0x0210)
+
+#define NGENE_INT_COUNTS       (SHARED_BUFFER+0x0260)
+#define NGENE_INT_ENABLE       (SHARED_BUFFER+0x0264)
+#define NGENE_VBI_LINE_COUNT   (SHARED_BUFFER+0x0268)
+
+#define BUFFER_GP_XMIT  (SHARED_BUFFER+0x0800)
+#define BUFFER_GP_RECV  (SHARED_BUFFER+0x0900)
+#define EEPROM_AREA     (SHARED_BUFFER+0x0A00)
+
+#define SG_V_IN_1       (SHARED_BUFFER+0x0A80)
+#define SG_VBI_1        (SHARED_BUFFER+0x0B00)
+#define SG_A_IN_1       (SHARED_BUFFER+0x0B80)
+#define SG_V_IN_2       (SHARED_BUFFER+0x0C00)
+#define SG_VBI_2        (SHARED_BUFFER+0x0C80)
+#define SG_A_IN_2       (SHARED_BUFFER+0x0D00)
+#define SG_V_OUT        (SHARED_BUFFER+0x0D80)
+#define SG_A_OUT2       (SHARED_BUFFER+0x0E00)
+
+#define DATA_A_IN_1     (SHARED_BUFFER+0x0E80)
+#define DATA_A_IN_2     (SHARED_BUFFER+0x0F00)
+#define DATA_A_OUT      (SHARED_BUFFER+0x0F80)
+#define DATA_V_IN_1     (SHARED_BUFFER+0x1000)
+#define DATA_V_IN_2     (SHARED_BUFFER+0x2000)
+#define DATA_V_OUT      (SHARED_BUFFER+0x3000)
+
+#define DATA_FIFO_AREA  (SHARED_BUFFER+0x1000)
+
+#define TIMESTAMPS      0xA000
+#define SCRATCHPAD      0xA080
+#define FORCE_INT       0xA088
+#define FORCE_NMI       0xA090
+#define INT_STATUS      0xA0A0
+
+#define DEV_VER         0x9004
+
+#define FW_DEBUG_DEFAULT (PROGRAM_SRAM+0x00FF)
+
+struct SG_ADDR {
+	u64 start;
+	u64 curr;
+	u16 curr_ptr;
+	u16 elements;
+	u32 pad[3];
+} __attribute__ ((__packed__));
+
+struct SHARED_MEMORY {
+	/* C000 */
+	u32 HostToNgene[64];
+
+	/* C100 */
+	u32 NgeneToHost[64];
+
+	/* C200 */
+	u64 NgeneCommand;
+	u64 NgeneStatus;
+	u64 NgeneEvent;
+
+	/* C210 */
+	u8 pad1[0xc260 - 0xc218];
+
+	/* C260 */
+	u32 IntCounts;
+	u32 IntEnable;
+
+	/* C268 */
+	u8 pad2[0xd000 - 0xc268];
+
+} __attribute__ ((__packed__));
+
+struct BUFFER_STREAM_RESULTS {
+	u32 Clock;           /* Stream time in 100ns units */
+	u16 RemainingLines;  /* Remaining lines in this field.
+				0 for complete field */
+	u8  FieldCount;      /* Video field number */
+	u8  Flags;           /* Bit 7 = Done, Bit 6 = seen, Bit 5 = overflow,
+				Bit 0 = FieldID */
+	u16 BlockCount;      /* Audio block count (unused) */
+	u8  Reserved[2];
+	u32 DTOUpdate;
+} __attribute__ ((__packed__));
+
+struct HW_SCATTER_GATHER_ELEMENT {
+	u64 Address;
+	u32 Length;
+	u32 Reserved;
+} __attribute__ ((__packed__));
+
+struct BUFFER_HEADER {
+	u64    Next;
+	struct BUFFER_STREAM_RESULTS SR;
+
+	u32    Number_of_entries_1;
+	u32    Reserved5;
+	u64    Address_of_first_entry_1;
+
+	u32    Number_of_entries_2;
+	u32    Reserved7;
+	u64    Address_of_first_entry_2;
+} __attribute__ ((__packed__));
+
+struct EVENT_BUFFER {
+	u32    TimeStamp;
+	u8     GPIOStatus;
+	u8     UARTStatus;
+	u8     RXCharacter;
+	u8     EventStatus;
+	u32    Reserved[2];
+} __attribute__ ((__packed__));
+
+typedef struct EVENT_BUFFER *PEVENT_BUFFER;
+
+/* Firmware commands. */
+
+enum OPCODES {
+	CMD_NOP = 0,
+	CMD_FWLOAD_PREPARE  = 0x01,
+	CMD_FWLOAD_FINISH   = 0x02,
+	CMD_I2C_READ        = 0x03,
+	CMD_I2C_WRITE       = 0x04,
+
+	CMD_I2C_WRITE_NOSTOP = 0x05,
+	CMD_I2C_CONTINUE_WRITE = 0x06,
+	CMD_I2C_CONTINUE_WRITE_NOSTOP = 0x07,
+
+	CMD_DEBUG_OUTPUT    = 0x09,
+
+	CMD_CONTROL         = 0x10,
+	CMD_CONFIGURE_BUFFER = 0x11,
+	CMD_CONFIGURE_FREE_BUFFER = 0x12,
+
+	CMD_SPI_READ        = 0x13,
+	CMD_SPI_WRITE       = 0x14,
+
+	CMD_MEM_READ        = 0x20,
+	CMD_MEM_WRITE	    = 0x21,
+	CMD_SFR_READ	    = 0x22,
+	CMD_SFR_WRITE	    = 0x23,
+	CMD_IRAM_READ	    = 0x24,
+	CMD_IRAM_WRITE	    = 0x25,
+	CMD_SET_GPIO_PIN    = 0x26,
+	CMD_SET_GPIO_INT    = 0x27,
+	CMD_CONFIGURE_UART  = 0x28,
+	CMD_WRITE_UART      = 0x29,
+	MAX_CMD
+};
+
+enum RESPONSES {
+	OK = 0,
+	ERROR = 1
+};
+
+struct FW_HEADER {
+	u8 Opcode;
+	u8 Length;
+} __attribute__ ((__packed__));
+
+struct FW_I2C_WRITE {
+	struct FW_HEADER hdr;
+	u8 Device;
+	u8 Data[250];
+} __attribute__ ((__packed__));
+
+struct FW_I2C_CONTINUE_WRITE {
+	struct FW_HEADER hdr;
+	u8 Data[250];
+} __attribute__ ((__packed__));
+
+struct FW_I2C_READ {
+	struct FW_HEADER hdr;
+	u8 Device;
+	u8 Data[252];    /* followed by two bytes of read data count */
+} __attribute__ ((__packed__));
+
+struct FW_SPI_WRITE {
+	struct FW_HEADER hdr;
+	u8 ModeSelect;
+	u8 Data[250];
+} __attribute__ ((__packed__));
+
+struct FW_SPI_READ {
+	struct FW_HEADER hdr;
+	u8 ModeSelect;
+	u8 Data[252];    /* followed by two bytes of read data count */
+} __attribute__ ((__packed__));
+
+struct FW_FWLOAD_PREPARE {
+	struct FW_HEADER hdr;
+} __attribute__ ((__packed__));
+
+struct FW_FWLOAD_FINISH {
+	struct FW_HEADER hdr;
+	u16 Address;     /* address of final block */
+	u16 Length;
+} __attribute__ ((__packed__));
+
+/*
+ * Meaning of FW_STREAM_CONTROL::Mode bits:
+ *  Bit 7: Loopback PEXin to PEXout using TVOut channel
+ *  Bit 6: AVLOOP
+ *  Bit 5: Audio select; 0=I2S, 1=SPDIF
+ *  Bit 4: AVSYNC
+ *  Bit 3: Enable transport stream
+ *  Bit 2: Enable audio capture
+ *  Bit 1: Enable ITU-Video VBI capture
+ *  Bit 0: Enable ITU-Video capture
+ *
+ * Meaning of FW_STREAM_CONTROL::Control bits (see UVI1_CTL)
+ *  Bit 7: continuous capture
+ *  Bit 6: capture one field
+ *  Bit 5: capture one frame
+ *  Bit 4: unused
+ *  Bit 3: starting field; 0=odd, 1=even
+ *  Bit 2: sample size; 0=8-bit, 1=10-bit
+ *  Bit 1: data format; 0=UYVY, 1=YUY2
+ *  Bit 0: resets buffer pointers
+*/
+
+enum FSC_MODE_BITS {
+	SMODE_LOOPBACK          = 0x80,
+	SMODE_AVLOOP            = 0x40,
+	_SMODE_AUDIO_SPDIF      = 0x20,
+	_SMODE_AVSYNC           = 0x10,
+	_SMODE_TRANSPORT_STREAM = 0x08,
+	_SMODE_AUDIO_CAPTURE    = 0x04,
+	_SMODE_VBI_CAPTURE      = 0x02,
+	_SMODE_VIDEO_CAPTURE    = 0x01
+};
+
+
+/* Meaning of FW_STREAM_CONTROL::Stream bits:
+ * Bit 3: Audio sample count:  0 = relative, 1 = absolute
+ * Bit 2: color bar select; 1=color bars, 0=CV3 decoder
+ * Bits 1-0: stream select, UVI1, UVI2, TVOUT
+ */
+
+struct FW_STREAM_CONTROL {
+	struct FW_HEADER hdr;
+	u8     Stream;             /* Stream number (UVI1, UVI2, TVOUT) */
+	u8     Control;            /* Value written to UVI1_CTL */
+	u8     Mode;               /* Controls clock source */
+	u8     SetupDataLen;	   /* Length of setup data, MSB=1 write
+				      backwards */
+	u16    CaptureBlockCount;  /* Blocks (a 256 Bytes) to capture per buffer
+				      for TS and Audio */
+	u64    Buffer_Address;	   /* Address of first buffer header */
+	u16    BytesPerVideoLine;
+	u16    MaxLinesPerField;
+	u16    MinLinesPerField;
+	u16    Reserved_1;
+	u16    BytesPerVBILine;
+	u16    MaxVBILinesPerField;
+	u16    MinVBILinesPerField;
+	u16    SetupDataAddr;      /* ngene relative address of setup data */
+	u8     SetupData[32];      /* setup data */
+} __attribute__((__packed__));
+
+#define AUDIO_BLOCK_SIZE    256
+#define TS_BLOCK_SIZE       256
+
+struct FW_MEM_READ {
+	struct FW_HEADER hdr;
+	u16   address;
+} __attribute__ ((__packed__));
+
+struct FW_MEM_WRITE {
+	struct FW_HEADER hdr;
+	u16   address;
+	u8    data;
+} __attribute__ ((__packed__));
+
+struct FW_SFR_IRAM_READ {
+	struct FW_HEADER hdr;
+	u8    address;
+} __attribute__ ((__packed__));
+
+struct FW_SFR_IRAM_WRITE {
+	struct FW_HEADER hdr;
+	u8    address;
+	u8    data;
+} __attribute__ ((__packed__));
+
+struct FW_SET_GPIO_PIN {
+	struct FW_HEADER hdr;
+	u8    select;
+} __attribute__ ((__packed__));
+
+struct FW_SET_GPIO_INT {
+	struct FW_HEADER hdr;
+	u8    select;
+} __attribute__ ((__packed__));
+
+struct FW_SET_DEBUGMODE {
+	struct FW_HEADER hdr;
+	u8   debug_flags;
+} __attribute__ ((__packed__));
+
+struct FW_CONFIGURE_BUFFERS {
+	struct FW_HEADER hdr;
+	u8   config;
+} __attribute__ ((__packed__));
+
+enum _BUFFER_CONFIGS {
+	/* 4k UVI1, 4k UVI2, 2k AUD1, 2k AUD2  (standard usage) */
+	BUFFER_CONFIG_4422 = 0,
+	/* 3k UVI1, 3k UVI2, 3k AUD1, 3k AUD2  (4x TS input usage) */
+	BUFFER_CONFIG_3333 = 1,
+	/* 8k UVI1, 0k UVI2, 2k AUD1, 2k I2SOut  (HDTV decoder usage) */
+	BUFFER_CONFIG_8022 = 2,
+	BUFFER_CONFIG_FW17 = 255, /* Use new FW 17 command */
+};
+
+struct FW_CONFIGURE_FREE_BUFFERS {
+	struct FW_HEADER hdr;
+	u8   UVI1_BufferLength;
+	u8   UVI2_BufferLength;
+	u8   TVO_BufferLength;
+	u8   AUD1_BufferLength;
+	u8   AUD2_BufferLength;
+	u8   TVA_BufferLength;
+} __attribute__ ((__packed__));
+
+struct FW_CONFIGURE_UART {
+	struct FW_HEADER hdr;
+	u8 UartControl;
+} __attribute__ ((__packed__));
+
+enum _UART_CONFIG {
+	_UART_BAUDRATE_19200 = 0,
+	_UART_BAUDRATE_9600  = 1,
+	_UART_BAUDRATE_4800  = 2,
+	_UART_BAUDRATE_2400  = 3,
+	_UART_RX_ENABLE      = 0x40,
+	_UART_TX_ENABLE      = 0x80,
+};
+
+struct FW_WRITE_UART {
+	struct FW_HEADER hdr;
+	u8 Data[252];
+} __attribute__ ((__packed__));
+
+
+struct ngene_command {
+	u32 in_len;
+	u32 out_len;
+	union {
+		u32                              raw[64];
+		u8                               raw8[256];
+		struct FW_HEADER                 hdr;
+		struct FW_I2C_WRITE              I2CWrite;
+		struct FW_I2C_CONTINUE_WRITE     I2CContinueWrite;
+		struct FW_I2C_READ               I2CRead;
+		struct FW_STREAM_CONTROL         StreamControl;
+		struct FW_FWLOAD_PREPARE         FWLoadPrepare;
+		struct FW_FWLOAD_FINISH          FWLoadFinish;
+		struct FW_MEM_READ		 MemoryRead;
+		struct FW_MEM_WRITE		 MemoryWrite;
+		struct FW_SFR_IRAM_READ		 SfrIramRead;
+		struct FW_SFR_IRAM_WRITE         SfrIramWrite;
+		struct FW_SPI_WRITE              SPIWrite;
+		struct FW_SPI_READ               SPIRead;
+		struct FW_SET_GPIO_PIN           SetGpioPin;
+		struct FW_SET_GPIO_INT           SetGpioInt;
+		struct FW_SET_DEBUGMODE          SetDebugMode;
+		struct FW_CONFIGURE_BUFFERS      ConfigureBuffers;
+		struct FW_CONFIGURE_FREE_BUFFERS ConfigureFreeBuffers;
+		struct FW_CONFIGURE_UART         ConfigureUart;
+		struct FW_WRITE_UART             WriteUart;
+	} cmd;
+} __attribute__ ((__packed__));
+
+#define NGENE_INTERFACE_VERSION 0x103
+#define MAX_VIDEO_BUFFER_SIZE   (417792) /* 288*1440 rounded up to next page */
+#define MAX_AUDIO_BUFFER_SIZE     (8192) /* Gives room for about 23msec@48KHz */
+#define MAX_VBI_BUFFER_SIZE      (28672) /* 1144*18 rounded up to next page */
+#define MAX_TS_BUFFER_SIZE       (98304) /* 512*188 rounded up to next page */
+#define MAX_HDTV_BUFFER_SIZE   (2080768) /* 541*1920*2 rounded up to next page
+					    Max: (1920x1080i60) */
+
+#define OVERFLOW_BUFFER_SIZE    (8192)
+
+#define RING_SIZE_VIDEO     4
+#define RING_SIZE_AUDIO     8
+#define RING_SIZE_TS        8
+
+#define NUM_SCATTER_GATHER_ENTRIES  8
+
+#define MAX_DMA_LENGTH (((MAX_VIDEO_BUFFER_SIZE + MAX_VBI_BUFFER_SIZE) * \
+			RING_SIZE_VIDEO * 2) + \
+			(MAX_AUDIO_BUFFER_SIZE * RING_SIZE_AUDIO * 2) + \
+			(MAX_TS_BUFFER_SIZE * RING_SIZE_TS * 4) + \
+			(RING_SIZE_VIDEO * PAGE_SIZE * 2) + \
+			(RING_SIZE_AUDIO * PAGE_SIZE * 2) + \
+			(RING_SIZE_TS    * PAGE_SIZE * 4) + \
+			 8 * PAGE_SIZE + OVERFLOW_BUFFER_SIZE + PAGE_SIZE)
+
+#define EVENT_QUEUE_SIZE    16
+
+typedef struct HW_SCATTER_GATHER_ELEMENT *PHW_SCATTER_GATHER_ELEMENT;
+typedef struct FWRB *PFWRB;
+
+/* Gathers the current state of a single channel. */
+
+struct SBufferHeader {
+	struct BUFFER_HEADER   ngeneBuffer; /* Physical descriptor */
+	struct SBufferHeader  *Next;
+	void                  *Buffer1;
+	PHW_SCATTER_GATHER_ELEMENT scList1;
+	void                  *Buffer2;
+	PHW_SCATTER_GATHER_ELEMENT scList2;
+};
+
+/* Sizeof SBufferHeader aligned to next 64 Bit boundary (hw restriction) */
+#define SIZEOF_SBufferHeader ((sizeof(struct SBufferHeader) + 63) & ~63)
+
+enum HWSTATE {
+	HWSTATE_STOP,
+	HWSTATE_STARTUP,
+	HWSTATE_RUN,
+	HWSTATE_PAUSE,
+};
+
+enum KSSTATE {
+	KSSTATE_STOP,
+	KSSTATE_ACQUIRE,
+	KSSTATE_PAUSE,
+	KSSTATE_RUN,
+};
+
+struct SRingBufferDescriptor {
+	struct SBufferHeader *Head; /* Points to first buffer in ring buffer
+				       structure*/
+	u64   PAHead;         /* Physical address of first buffer */
+	u32   MemSize;        /* Memory size of allocated ring buffers
+				 (needed for freeing) */
+	u32   NumBuffers;     /* Number of buffers in the ring */
+	u32   Buffer1Length;  /* Allocated length of Buffer 1 */
+	u32   Buffer2Length;  /* Allocated length of Buffer 2 */
+	void *SCListMem;      /* Memory to hold scatter gather lists for this
+				 ring */
+	u64   PASCListMem;    /* Physical address  .. */
+	u32   SCListMemSize;  /* Size of this memory */
+};
+
+enum STREAMMODEFLAGS {
+	StreamMode_NONE   = 0, /* Stream not used */
+	StreamMode_ANALOG = 1, /* Analog: Stream 0,1 = Video, 2,3 = Audio */
+	StreamMode_TSIN   = 2, /* Transport stream input (all) */
+	StreamMode_HDTV   = 4, /* HDTV: Maximum 1920x1080p30,1920x1080i60
+				  (only stream 0) */
+	StreamMode_TSOUT  = 8, /* Transport stream output (only stream 3) */
+};
+
+
+enum BufferExchangeFlags {
+	BEF_EVEN_FIELD   = 0x00000001,
+	BEF_CONTINUATION = 0x00000002,
+	BEF_MORE_DATA    = 0x00000004,
+	BEF_OVERFLOW     = 0x00000008,
+	DF_SWAP32        = 0x00010000,
+};
+
+typedef void *(IBufferExchange)(void *, void *, u32, u32, u32);
+
+typedef struct {
+	IBufferExchange    *pExchange;
+	IBufferExchange    *pExchangeVBI;     /* Secondary (VBI, ancillary) */
+	u8  Stream;
+	u8  Flags;
+	u8  Mode;
+	u8  Reserved;
+	u16 nLinesVideo;
+	u16 nBytesPerLineVideo;
+	u16 nLinesVBI;
+	u16 nBytesPerLineVBI;
+	u32 CaptureLength;    /* Used for audio and transport stream */
+} MICI_STREAMINFO, *PMICI_STREAMINFO;
+
+/****************************************************************************/
+/* STRUCTS ******************************************************************/
+/****************************************************************************/
+
+/* sound hardware definition */
+#define MIXER_ADDR_TVTUNER      0
+#define MIXER_ADDR_LAST         0
+
+struct ngene_channel;
+
+/*struct sound chip*/
+
+struct mychip {
+	struct ngene_channel *chan;
+	struct snd_card *card;
+	struct pci_dev *pci;
+	struct snd_pcm_substream *substream;
+	struct snd_pcm *pcm;
+	unsigned long port;
+	int irq;
+	spinlock_t mixer_lock;
+	spinlock_t lock;
+	int mixer_volume[MIXER_ADDR_LAST + 1][2];
+	int capture_source[MIXER_ADDR_LAST + 1][2];
+};
+
+#ifdef NGENE_V4L
+struct ngene_overlay {
+	int                    tvnorm;
+	struct v4l2_rect       w;
+	enum v4l2_field        field;
+	struct v4l2_clip       *clips;
+	int                    nclips;
+	int                    setup_ok;
+};
+
+struct ngene_tvnorm {
+	int   v4l2_id;
+	char  *name;
+	u16   swidth, sheight; /* scaled standard width, height */
+	int   tuner_norm;
+	int   soundstd;
+};
+
+struct ngene_vopen {
+	struct ngene_channel      *ch;
+	enum v4l2_priority         prio;
+	int                        width;
+	int                        height;
+	int                        depth;
+	struct videobuf_queue      vbuf_q;
+	struct videobuf_queue      vbi;
+	int                        fourcc;
+	int                        picxcount;
+	int                        resources;
+	enum v4l2_buf_type         type;
+	const struct ngene_format *fmt;
+
+	const struct ngene_format *ovfmt;
+	struct ngene_overlay       ov;
+};
+#endif
+
+struct ngene_channel {
+	struct device         device;
+	struct i2c_adapter    i2c_adapter;
+
+	struct ngene         *dev;
+	int                   number;
+	int                   type;
+	int                   mode;
+
+	struct dvb_frontend  *fe;
+	struct dmxdev         dmxdev;
+	struct dvb_demux      demux;
+	struct dmx_frontend   hw_frontend;
+	struct dmx_frontend   mem_frontend;
+	int                   users;
+	struct video_device  *v4l_dev;
+#ifndef ONE_ADAPTER
+	struct dvb_adapter    dvb_adapter;
+#endif
+	struct dvb_device    *command_dev;
+	struct dvb_device    *audio_dev;
+	struct dvb_device    *video_dev;
+	struct tasklet_struct demux_tasklet;
+
+	struct SBufferHeader *nextBuffer;
+	enum KSSTATE          State;
+	enum HWSTATE          HWState;
+	u8                    Stream;
+	u8                    Flags;
+	u8                    Mode;
+	IBufferExchange      *pBufferExchange;
+	IBufferExchange      *pBufferExchange2;
+
+	spinlock_t            state_lock;
+	u16                   nLines;
+	u16                   nBytesPerLine;
+	u16                   nVBILines;
+	u16                   nBytesPerVBILine;
+	u16                   itumode;
+	u32                   Capture1Length;
+	u32                   Capture2Length;
+	struct SRingBufferDescriptor RingBuffer;
+	struct SRingBufferDescriptor TSRingBuffer;
+	struct SRingBufferDescriptor TSIdleBuffer;
+
+	u32                   DataFormatFlags;
+
+	int                   AudioDTOUpdated;
+	u32                   AudioDTOValue;
+
+	int (*set_tone)(struct dvb_frontend *, fe_sec_tone_mode_t);
+	u8 lnbh;
+
+	/* stuff from analog driver */
+
+	int minor;
+	struct mychip        *mychip;
+	struct snd_card      *soundcard;
+	u8                   *evenbuffer;
+	u8                   *soundbuffer;
+	u8                    dma_on;
+	int                   soundstreamon;
+	int                   audiomute;
+	int                   soundbuffisallocated;
+	int                   sndbuffflag;
+	int                   tun_rdy;
+	int                   dec_rdy;
+	int                   tun_dec_rdy;
+	int                   lastbufferflag;
+
+	struct ngene_tvnorm  *tvnorms;
+	int                   tvnorm_num;
+	int                   tvnorm;
+
+#ifdef NGENE_V4L
+	int                   videousers;
+	struct v4l2_prio_state prio;
+	struct ngene_vopen    init;
+	int                   resources;
+	struct v4l2_framebuffer fbuf;
+	struct ngene_buffer  *screen;     /* overlay             */
+	struct list_head      capture;    /* video capture queue */
+	spinlock_t s_lock;
+	struct semaphore reslock;
+#endif
+
+	int running;
+};
+
+struct ngene;
+
+typedef void (rx_cb_t)(struct ngene *, u32, u8);
+typedef void (tx_cb_t)(struct ngene *, u32);
+
+struct ngene {
+	int                   nr;
+	struct pci_dev       *pci_dev;
+	unsigned char        *iomem;
+
+#ifdef ONE_ADAPTER
+	struct dvb_adapter    dvb_adapter;
+#endif
+	/*struct i2c_adapter  i2c_adapter;*/
+
+	u32                   device_version;
+	u32                   fw_interface_version;
+	u32                   icounts;
+
+	u8                   *CmdDoneByte;
+	int                   BootFirmware;
+	void                 *OverflowBuffer;
+	dma_addr_t            PAOverflowBuffer;
+	void                 *FWInterfaceBuffer;
+	dma_addr_t            PAFWInterfaceBuffer;
+	u8                   *ngenetohost;
+	u8                   *hosttongene;
+
+	struct EVENT_BUFFER   EventQueue[EVENT_QUEUE_SIZE];
+	int                   EventQueueOverflowCount;
+	int                   EventQueueOverflowFlag;
+	struct tasklet_struct event_tasklet;
+	struct EVENT_BUFFER  *EventBuffer;
+	int                   EventQueueWriteIndex;
+	int                   EventQueueReadIndex;
+
+	wait_queue_head_t     cmd_wq;
+	int                   cmd_done;
+	struct semaphore      cmd_mutex;
+	struct semaphore      stream_mutex;
+	struct semaphore      pll_mutex;
+	struct semaphore      i2c_switch_mutex;
+	int                   i2c_current_channel;
+	int                   i2c_current_bus;
+	spinlock_t            cmd_lock;
+
+	struct ngene_channel  channel[MAX_STREAM];
+
+	struct ngene_info    *card_info;
+
+	tx_cb_t              *TxEventNotify;
+	rx_cb_t              *RxEventNotify;
+	int                   tx_busy;
+	wait_queue_head_t     tx_wq;
+	wait_queue_head_t     rx_wq;
+#define UART_RBUF_LEN 4096
+	u8                    uart_rbuf[UART_RBUF_LEN];
+	int                   uart_rp, uart_wp;
+
+	u8                   *tsout_buf;
+#define TSOUT_BUF_SIZE (512*188*8)
+	struct dvb_ringbuffer tsout_rbuf;
+
+	u8                   *ain_buf;
+#define AIN_BUF_SIZE (128*1024)
+	struct dvb_ringbuffer ain_rbuf;
+
+
+	u8                   *vin_buf;
+#define VIN_BUF_SIZE (4*1920*1080)
+	struct dvb_ringbuffer vin_rbuf;
+
+	unsigned long         exp_val;
+	int prev_cmd;
+};
+
+struct channel_info {
+	int   io_type;
+#define NGENE_IO_NONE    0
+#define NGENE_IO_TV      1
+#define NGENE_IO_HDTV    2
+#define NGENE_IO_TSIN    4
+#define NGENE_IO_TSOUT   8
+#define NGENE_IO_AIN     16
+
+	void *fe_config;
+	void *tuner_config;
+
+	int (*demod_attach)(struct ngene_channel *);
+	int   demod_type;
+#define NGENE_DEMOD_NONE    0
+#define NGENE_DEMOD_DRXD    1
+#define NGENE_DEMOD_STB0899 2
+#define NGENE_DEMOD_DRXH    3
+
+	int (*tuner_attach)(struct ngene_channel *);
+	int   tuner_type;
+#define NGENE_TUNER_NONE    0
+#define NGENE_TUNER_MT2060  1
+
+	u8    demod;
+	u8    tuner;
+	u8    lnb;
+	u8    demoda;
+	u8    avf;
+	u8    msp;
+};
+
+struct ngene_info {
+	int   type;
+#define NGENE_APP        0
+#define NGENE_TERRATEC   1
+#define NGENE_SIDEWINDER 2
+#define NGENE_RACER      3
+#define NGENE_VIPER      4
+#define NGENE_PYTHON     5
+#define NGENE_VBOX_V1	 6
+#define NGENE_VBOX_V2	 7
+
+	int   fw_version;
+	char *name;
+
+	int   io_type[MAX_STREAM];
+#define NGENE_IO_NONE    0
+#define NGENE_IO_TV      1
+#define NGENE_IO_HDTV    2
+#define NGENE_IO_TSIN    4
+#define NGENE_IO_TSOUT   8
+#define NGENE_IO_AIN     16
+
+	void *fe_config[4];
+	void *tuner_config[4];
+
+	int (*demod_attach[4])(struct ngene_channel *);
+	int (*tuner_attach[4])(struct ngene_channel *);
+
+	u8    avf[4];
+	u8    msp[4];
+	u8    demoda[4];
+	u8    lnb[4];
+	int   i2c_access;
+	u8    ntsc;
+	u8    exp;
+	u8    exp_init;
+	u8    tsf[4];
+	u8    i2s[4];
+
+	int (*gate_ctrl)(struct dvb_frontend *, int);
+	int (*switch_ctrl)(struct ngene_channel *, int, int);
+};
+
+#ifdef NGENE_V4L
+struct ngene_format{
+	char *name;
+	int   fourcc;          /* video4linux 2      */
+	int   btformat;        /* BT848_COLOR_FMT_*  */
+	int   format;
+	int   btswap;          /* BT848_COLOR_CTL_*  */
+	int   depth;           /* bit/pixel          */
+	int   flags;
+	int   hshift, vshift;  /* for planar modes   */
+	int   palette;
+};
+
+#define RESOURCE_OVERLAY       1
+#define RESOURCE_VIDEO         2
+#define RESOURCE_VBI           4
+
+struct ngene_buffer {
+	/* common v4l buffer stuff -- must be first */
+	struct videobuf_buffer     vb;
+
+	/* ngene specific */
+	const struct ngene_format *fmt;
+	int                        tvnorm;
+	int                        btformat;
+	int                        btswap;
+};
+#endif
+
+int ngene_command_stream_control(struct ngene *dev,
+				 u8 stream, u8 control, u8 mode, u8 flags);
+int ngene_command_nop(struct ngene *dev);
+int ngene_command_i2c_read(struct ngene *dev, u8 adr,
+			   u8 *out, u8 outlen, u8 *in, u8 inlen, int flag);
+int ngene_command_i2c_write(struct ngene *dev, u8 adr, u8 *out, u8 outlen);
+int ngene_command_imem_read(struct ngene *dev, u8 adr, u8 *data, int type);
+int ngene_command_imem_write(struct ngene *dev, u8 adr, u8 data, int type);
+int ngene_stream_control(struct ngene *dev, u8 stream, u8 control, u8 mode,
+			 u16 lines, u16 bpl, u16 vblines, u16 vbibpl);
+int ngene_v4l2_init(struct ngene_channel *chan);
+void ngene_v4l2_remove(struct ngene_channel *chan);
+int ngene_snd_exit(struct ngene_channel *chan);
+int ngene_snd_init(struct ngene_channel *chan);
+
+struct i2c_client *avf4910a_attach(struct i2c_adapter *adap, int addr);
+
+#endif
+
+/*  LocalWords:  Endif
+ */