[media] saa7164: add NTSC VBI support

IRQ handlers, firmware messages, deferred queue handlers, V4L api's
etc.

Signed-off-by: Steven Toth <stoth@kernellabs.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

drivers/media/video/saa7164/Makefile

@@ -1,6 +1,6 @@
 saa7164-objs	:= saa7164-cards.o saa7164-core.o saa7164-i2c.o saa7164-dvb.o \
 			saa7164-fw.o saa7164-bus.o saa7164-cmd.o saa7164-api.o \
-			saa7164-buffer.o saa7164-encoder.o
+			saa7164-buffer.o saa7164-encoder.o saa7164-vbi.o
 
 obj-$(CONFIG_VIDEO_SAA7164) += saa7164.o
 

drivers/media/video/saa7164/saa7164-api.c

@@ -24,6 +24,62 @@
 
 #include "saa7164.h"
 
+int saa7164_api_set_vbi_format(struct saa7164_port *port)
+{
+	struct saa7164_dev *dev = port->dev;
+	tmComResProbeCommit_t fmt, rsp;
+	int ret;
+
+	dprintk(DBGLVL_API, "%s(nr=%d)\n", __func__, port->nr);
+
+	fmt.bmHint = 0;
+	fmt.bFormatIndex = 1;
+	fmt.bFrameIndex = 1;
+
+	/* Probe, see if it can support this format */
+	ret = saa7164_cmd_send(port->dev, port->hwcfg.unitid,
+		SET_CUR, SAA_PROBE_CONTROL, sizeof(fmt), &fmt);
+	if (ret != SAA_OK)
+		printk(KERN_ERR "%s() set error, ret = 0x%x\n", __func__, ret);
+
+	/* See of the format change was successful */
+	ret = saa7164_cmd_send(port->dev, port->hwcfg.unitid,
+		GET_CUR, SAA_PROBE_CONTROL, sizeof(rsp), &rsp);
+	if (ret != SAA_OK) {
+		printk(KERN_ERR "%s() get error, ret = 0x%x\n", __func__, ret);
+	} else {
+		/* Compare requested vs received, should be same */
+		if (memcmp(&fmt, &rsp, sizeof(rsp)) == 0) {
+			/* Ask the device to select the negotiated format */
+			ret = saa7164_cmd_send(port->dev, port->hwcfg.unitid,
+				SET_CUR, SAA_COMMIT_CONTROL, sizeof(fmt), &fmt);
+			if (ret != SAA_OK)
+				printk(KERN_ERR "%s() commit error, ret = 0x%x\n",
+					__func__, ret);
+
+			ret = saa7164_cmd_send(port->dev, port->hwcfg.unitid,
+				GET_CUR, SAA_COMMIT_CONTROL, sizeof(rsp), &rsp);
+			if (ret != SAA_OK)
+				printk(KERN_ERR "%s() GET commit error, ret = 0x%x\n",
+					__func__, ret);
+
+			if (memcmp(&fmt, &rsp, sizeof(rsp)) != 0)
+				printk(KERN_ERR "%s() memcmp error, ret = 0x%x\n",
+					__func__, ret);
+
+			dprintk(DBGLVL_API, "rsp.bmHint = 0x%x\n", rsp.bmHint);
+			dprintk(DBGLVL_API, "rsp.bFormatIndex = 0x%x\n", rsp.bFormatIndex);
+			dprintk(DBGLVL_API, "rsp.bFrameIndex = 0x%x\n", rsp.bFrameIndex);
+		} else
+			printk(KERN_ERR "%s() compare failed\n", __func__);
+	}
+
+	if (ret == SAA_OK)
+		dprintk(DBGLVL_API, "%s(nr=%d) Success\n", __func__, port->nr);
+
+	return ret;
+}
+
 int saa7164_api_set_gop_size(struct saa7164_port *port)
 {
 	struct saa7164_dev *dev = port->dev;
@@ -463,7 +519,8 @@ int saa7164_api_set_dif(struct saa7164_port *port, u8 reg, u8 val)
 	int ret;
 	u8 mas;
 
-	dprintk(DBGLVL_API, "%s()\n", __func__);
+	dprintk(DBGLVL_API, "%s(nr=%d type=%d val=%x)\n", __func__,
+		port->nr, port->type, val);
 
 	if (port->nr == 0)
 		mas = 0xd0;
@@ -516,7 +573,7 @@ int saa7164_api_configure_dif(struct saa7164_port *port, u32 std)
 	int ret = 0;
 	u8 agc_disable;
 
-	dprintk(DBGLVL_API, "%s(%p, 0x%x)\n", __func__, port, std);
+	dprintk(DBGLVL_API, "%s(nr=%d, 0x%x)\n", __func__, port->nr, std);
 
 	if (std & V4L2_STD_NTSC) {
 		dprintk(DBGLVL_API, " NTSC\n");
@@ -580,6 +637,9 @@ int saa7164_api_initialize_dif(struct saa7164_port *port)
 	int ret = -EINVAL;
 	u32 std = 0;
 
+	dprintk(DBGLVL_API, "%s(nr=%d type=%d)\n", __func__,
+		port->nr, port->type);
+
 	if (port->type == SAA7164_MPEG_ENCODER) {
 		/* Pick any analog standard to init the diff.
 		 * we'll come back during encoder_init'
@@ -592,6 +652,13 @@ int saa7164_api_initialize_dif(struct saa7164_port *port)
 			p = &dev->ports[ SAA7164_PORT_ENC1 ];
 		else
 			p = &dev->ports[ SAA7164_PORT_ENC2 ];
+	} else
+	if (port->type == SAA7164_MPEG_VBI) {
+		std = V4L2_STD_NTSC;
+		if (port->nr == SAA7164_PORT_VBI1)
+			p = &dev->ports[ SAA7164_PORT_ENC1 ];
+		else
+			p = &dev->ports[ SAA7164_PORT_ENC2 ];
 	} else
 		BUG();
 
@@ -603,12 +670,18 @@ int saa7164_api_initialize_dif(struct saa7164_port *port)
 
 int saa7164_api_transition_port(struct saa7164_port *port, u8 mode)
 {
+	struct saa7164_dev *dev = port->dev;
+
 	int ret;
 
+	dprintk(DBGLVL_API, "%s(nr=%d unitid=0x%x,%d)\n",
+		__func__, port->nr, port->hwcfg.unitid, mode);
+
 	ret = saa7164_cmd_send(port->dev, port->hwcfg.unitid, SET_CUR,
 		SAA_STATE_CONTROL, sizeof(mode), &mode);
 	if (ret != SAA_OK)
-		printk(KERN_ERR "%s() error, ret = 0x%x\n", __func__, ret);
+		printk(KERN_ERR "%s(portnr %d unitid 0x%x) error, ret = 0x%x\n",
+			__func__, port->nr, port->hwcfg.unitid, ret);
 
 	return ret;
 }
@@ -639,6 +712,23 @@ int saa7164_api_read_eeprom(struct saa7164_dev *dev, u8 *buf, int buflen)
 }
 
 
+int saa7164_api_configure_port_vbi(struct saa7164_dev *dev,
+	struct saa7164_port *port)
+{
+	tmComResVBIFormatDescrHeader_t *fmt = &port->vbi_fmt_ntsc;
+
+	dprintk(DBGLVL_API, "    bFormatIndex  = 0x%x\n", fmt->bFormatIndex);
+	dprintk(DBGLVL_API, "    VideoStandard = 0x%x\n", fmt->VideoStandard);
+	dprintk(DBGLVL_API, "    StartLine     = %d\n", fmt->StartLine);
+	dprintk(DBGLVL_API, "    EndLine       = %d\n", fmt->EndLine);
+	dprintk(DBGLVL_API, "    FieldRate     = %d\n", fmt->FieldRate);
+	dprintk(DBGLVL_API, "    bNumLines     = %d\n", fmt->bNumLines);
+	dprintk(DBGLVL_API, "   = VS_FORMAT_VBI (becomes dev->en[%d])\n",
+		port->nr);
+
+	return 0;
+}
+
 int saa7164_api_configure_port_mpeg2ts(struct saa7164_dev *dev,
 	struct saa7164_port *port,
 	tmComResTSFormatDescrHeader_t *tsfmt)
@@ -710,6 +800,7 @@ int saa7164_api_dump_subdevs(struct saa7164_dev *dev, u8 *buf, int len)
 {
 	struct saa7164_port *tsport = 0;
 	struct saa7164_port *encport = 0;
+	struct saa7164_port *vbiport = 0;
 	u32 idx, next_offset;
 	int i;
 	tmComResDescrHeader_t *hdr, *t;
@@ -724,6 +815,7 @@ int saa7164_api_dump_subdevs(struct saa7164_dev *dev, u8 *buf, int len)
 	tmComResProcDescrHeader_t *pdh;
 	tmComResAFeatureDescrHeader_t *afd;
 	tmComResEncoderDescrHeader_t *edh;
+	tmComResVBIFormatDescrHeader_t *vbifmt;
 	u32 currpath = 0;
 
 	dprintk(DBGLVL_API,
@@ -881,8 +973,17 @@ int saa7164_api_dump_subdevs(struct saa7164_dev *dev, u8 *buf, int len)
 						encport, psfmt);
 					break;
 				case VS_FORMAT_VBI:
-					dprintk(DBGLVL_API,
-						"   = VS_FORMAT_VBI\n");
+					vbifmt =
+					(tmComResVBIFormatDescrHeader_t *)t;
+					if (currpath == 1)
+						vbiport = &dev->ports[ SAA7164_PORT_VBI1 ];
+					else
+						vbiport = &dev->ports[ SAA7164_PORT_VBI2 ];
+					memcpy(&vbiport->hwcfg, vcoutputtermhdr,
+						sizeof(*vcoutputtermhdr));
+					memcpy(&vbiport->vbi_fmt_ntsc, vbifmt, sizeof(*vbifmt));
+					saa7164_api_configure_port_vbi(dev,
+						vbiport);
 					break;
 				case VS_FORMAT_RDS:
 					dprintk(DBGLVL_API,

drivers/media/video/saa7164/saa7164-cards.c

@@ -57,6 +57,8 @@ struct saa7164_board saa7164_boards[] = {
 		.portb		= SAA7164_MPEG_DVB,
 		.portc		= SAA7164_MPEG_ENCODER,
 		.portd		= SAA7164_MPEG_ENCODER,
+		.porte		= SAA7164_MPEG_VBI,
+		.portf		= SAA7164_MPEG_VBI,
 		.chiprev	= SAA7164_CHIP_REV3,
 		.unit		= {{
 			.id		= 0x1d,
@@ -101,6 +103,8 @@ struct saa7164_board saa7164_boards[] = {
 		.portb		= SAA7164_MPEG_DVB,
 		.portc		= SAA7164_MPEG_ENCODER,
 		.portd		= SAA7164_MPEG_ENCODER,
+		.porte		= SAA7164_MPEG_VBI,
+		.portf		= SAA7164_MPEG_VBI,
 		.chiprev	= SAA7164_CHIP_REV2,
 		.unit		= {{
 			.id		= 0x06,
@@ -145,6 +149,8 @@ struct saa7164_board saa7164_boards[] = {
 		.portb		= SAA7164_MPEG_DVB,
 		.portc		= SAA7164_MPEG_ENCODER,
 		.portd		= SAA7164_MPEG_ENCODER,
+		.porte		= SAA7164_MPEG_VBI,
+		.portf		= SAA7164_MPEG_VBI,
 		.chiprev	= SAA7164_CHIP_REV2,
 		.unit		= {{
 			.id		= 0x1d,
@@ -205,6 +211,8 @@ struct saa7164_board saa7164_boards[] = {
 		.portd		= SAA7164_MPEG_ENCODER,
 		.portc		= SAA7164_MPEG_ENCODER,
 		.portd		= SAA7164_MPEG_ENCODER,
+		.porte		= SAA7164_MPEG_VBI,
+		.portf		= SAA7164_MPEG_VBI,
 		.chiprev	= SAA7164_CHIP_REV3,
 		.unit		= {{
 			.id		= 0x22,
@@ -263,6 +271,10 @@ struct saa7164_board saa7164_boards[] = {
 		.portb		= SAA7164_MPEG_DVB,
 		.portc		= SAA7164_MPEG_ENCODER,
 		.portd		= SAA7164_MPEG_ENCODER,
+		.porte		= SAA7164_MPEG_VBI,
+		.portf		= SAA7164_MPEG_VBI,
+		.porte		= SAA7164_MPEG_VBI,
+		.portf		= SAA7164_MPEG_VBI,
 		.chiprev	= SAA7164_CHIP_REV3,
 		.unit		= {{
 			.id		= 0x28,
@@ -321,6 +333,8 @@ struct saa7164_board saa7164_boards[] = {
 		.portb		= SAA7164_MPEG_DVB,
 		.portc		= SAA7164_MPEG_ENCODER,
 		.portd		= SAA7164_MPEG_ENCODER,
+		.porte		= SAA7164_MPEG_VBI,
+		.portf		= SAA7164_MPEG_VBI,
 		.chiprev	= SAA7164_CHIP_REV3,
 		.unit		= {{
 			.id		= 0x26,

drivers/media/video/saa7164/saa7164-core.c

@@ -53,6 +53,10 @@ unsigned int encoder_buffers = SAA7164_MAX_ENCODER_BUFFERS;
 module_param(encoder_buffers, int, 0644);
 MODULE_PARM_DESC(encoder_buffers, "Total buffers in read queue 16-512 def:64");
 
+unsigned int vbi_buffers = SAA7164_MAX_VBI_BUFFERS;
+module_param(vbi_buffers, int, 0644);
+MODULE_PARM_DESC(vbi_buffers, "Total buffers in read queue 16-512 def:64");
+
 unsigned int waitsecs = 10;
 module_param(waitsecs, int, 0644);
 MODULE_PARM_DESC(waitsecs, "timeout on firmware messages");
@@ -440,6 +444,61 @@ static void saa7164_work_enchandler(struct work_struct *w)
 	}
 }
 
+static void saa7164_work_vbihandler(struct work_struct *w)
+{
+	struct saa7164_port *port =
+		container_of(w, struct saa7164_port, workenc);
+	struct saa7164_dev *dev = port->dev;
+
+	u32 wp, mcb, rp, cnt = 0;
+
+	port->last_svc_msecs_diff = port->last_svc_msecs;
+	port->last_svc_msecs = jiffies_to_msecs(jiffies);
+	port->last_svc_msecs_diff = port->last_svc_msecs -
+		port->last_svc_msecs_diff;
+
+	saa7164_histogram_update(&port->svc_interval,
+		port->last_svc_msecs_diff);
+
+	port->last_irq_svc_msecs_diff = port->last_svc_msecs -
+		port->last_irq_msecs;
+
+	saa7164_histogram_update(&port->irq_svc_interval,
+		port->last_irq_svc_msecs_diff);
+
+	dprintk(DBGLVL_IRQ,
+		"%s() %Ldms elapsed irq->deferred %Ldms wp: %d rp: %d\n",
+		__func__,
+		port->last_svc_msecs_diff,
+		port->last_irq_svc_msecs_diff,
+		port->last_svc_wp,
+		port->last_svc_rp
+		);
+
+	/* Current write position */
+	wp = saa7164_readl(port->bufcounter);
+	if (wp > (port->hwcfg.buffercount - 1)) {
+		printk(KERN_ERR "%s() illegal buf count %d\n", __func__, wp);
+		return;
+	}
+
+	/* Most current complete buffer */
+	if (wp == 0)
+		mcb = (port->hwcfg.buffercount - 1);
+	else
+		mcb = wp - 1;
+	/* TODO: Convert this into a /proc/saa7164 style readable file */
+	if (print_histogram == port->nr) {
+		saa7164_histogram_print(port, &port->irq_interval);
+		saa7164_histogram_print(port, &port->svc_interval);
+		saa7164_histogram_print(port, &port->irq_svc_interval);
+		saa7164_histogram_print(port, &port->read_interval);
+		saa7164_histogram_print(port, &port->poll_interval);
+		/* TODO: fix this to preserve any previous state */
+		print_histogram = 64 + port->nr;
+	}
+}
+
 static void saa7164_work_cmdhandler(struct work_struct *w)
 {
 	struct saa7164_dev *dev = container_of(w, struct saa7164_dev, workcmd);
@@ -458,6 +517,31 @@ static void saa7164_buffer_deliver(struct saa7164_buffer *buf)
 
 }
 
+static irqreturn_t saa7164_irq_vbi(struct saa7164_port *port)
+{
+	struct saa7164_dev *dev = port->dev;
+
+	/* Store old time */
+	port->last_irq_msecs_diff = port->last_irq_msecs;
+
+	/* Collect new stats */
+	port->last_irq_msecs = jiffies_to_msecs(jiffies);
+
+	/* Calculate stats */
+	port->last_irq_msecs_diff = port->last_irq_msecs -
+		port->last_irq_msecs_diff;
+
+	saa7164_histogram_update(&port->irq_interval,
+		port->last_irq_msecs_diff);
+
+	dprintk(DBGLVL_IRQ, "%s() %Ldms elapsed\n", __func__,
+		port->last_irq_msecs_diff);
+
+	/* Tis calls the vbi irq handler */
+	schedule_work(&port->workenc);
+	return 0;
+}
+
 static irqreturn_t saa7164_irq_encoder(struct saa7164_port *port)
 {
 	struct saa7164_dev *dev = port->dev;
@@ -527,6 +611,8 @@ static irqreturn_t saa7164_irq(int irq, void *dev_id)
 	struct saa7164_port *portb = &dev->ports[ SAA7164_PORT_TS2 ];
 	struct saa7164_port *portc = &dev->ports[ SAA7164_PORT_ENC1 ];
 	struct saa7164_port *portd = &dev->ports[ SAA7164_PORT_ENC2 ];
+	struct saa7164_port *porte = &dev->ports[ SAA7164_PORT_VBI1 ];
+	struct saa7164_port *portf = &dev->ports[ SAA7164_PORT_VBI2 ];
 
 	u32 intid, intstat[INT_SIZE/4];
 	int i, handled = 0, bit;
@@ -590,9 +676,19 @@ static irqreturn_t saa7164_irq(int irq, void *dev_id)
 
 				} else if (intid == portd->hwcfg.interruptid) {
 
-					/* Encoder path 1 */
+					/* Encoder path 2 */
 					saa7164_irq_encoder(portd);
 
+				} else if (intid == porte->hwcfg.interruptid) {
+
+					/* VBI path 1 */
+					saa7164_irq_vbi(porte);
+
+				} else if (intid == portf->hwcfg.interruptid) {
+
+					/* VBI path 2 */
+					saa7164_irq_vbi(portf);
+
 				} else {
 					/* Find the function */
 					dprintk(DBGLVL_IRQ,
@@ -830,9 +926,19 @@ static int saa7164_port_init(struct saa7164_dev *dev, int portnr)
 	if ((portnr == SAA7164_PORT_TS1) || (portnr == SAA7164_PORT_TS2))
 		port->type = SAA7164_MPEG_DVB;
 	else
-	if ((portnr == SAA7164_PORT_ENC1) || (portnr == SAA7164_PORT_ENC2))
+	if ((portnr == SAA7164_PORT_ENC1) || (portnr == SAA7164_PORT_ENC2)) {
 		port->type = SAA7164_MPEG_ENCODER;
+
+		/* We need a deferred interrupt handler for cmd handling */
+		INIT_WORK(&port->workenc, saa7164_work_enchandler);
+	}
 	else
+	if ((portnr == SAA7164_PORT_VBI1) || (portnr == SAA7164_PORT_VBI2)) {
+		port->type = SAA7164_MPEG_VBI;
+
+		/* We need a deferred interrupt handler for cmd handling */
+		INIT_WORK(&port->workenc, saa7164_work_vbihandler);
+	} else
 		BUG();
 
 	/* Init all the critical resources */
@@ -844,17 +950,15 @@ static int saa7164_port_init(struct saa7164_dev *dev, int portnr)
 	INIT_LIST_HEAD(&port->list_buf_free.list);
 	init_waitqueue_head(&port->wait_read);
 
-	/* We need a deferred interrupt handler for cmd handling */
-	INIT_WORK(&port->workenc, saa7164_work_enchandler);
 
 	saa7164_histogram_reset(&port->irq_interval, "irq intervals");
 	saa7164_histogram_reset(&port->svc_interval, "deferred intervals");
 	saa7164_histogram_reset(&port->irq_svc_interval,
 		"irq to deferred intervals");
 	saa7164_histogram_reset(&port->read_interval,
-		"encoder read() intervals");
+		"encoder/vbi read() intervals");
 	saa7164_histogram_reset(&port->poll_interval,
-		"encoder poll() intervals");
+		"encoder/vbi poll() intervals");
 
 	return 0;
 }
@@ -905,6 +1009,8 @@ static int saa7164_dev_setup(struct saa7164_dev *dev)
 	saa7164_port_init(dev, SAA7164_PORT_TS2);
 	saa7164_port_init(dev, SAA7164_PORT_ENC1);
 	saa7164_port_init(dev, SAA7164_PORT_ENC2);
+	saa7164_port_init(dev, SAA7164_PORT_VBI1);
+	saa7164_port_init(dev, SAA7164_PORT_VBI2);
 
 	if (get_resources(dev) < 0) {
 		printk(KERN_ERR "CORE %s No more PCIe resources for "
@@ -1107,6 +1213,21 @@ static int __devinit saa7164_initdev(struct pci_dev *pci_dev,
 			}
 		}
 
+		if (saa7164_boards[dev->board].porte == SAA7164_MPEG_VBI) {
+			if (saa7164_vbi_register(&dev->ports[ SAA7164_PORT_VBI1 ]) < 0) {
+				printk(KERN_ERR"%s() Failed to register "
+					"vbi device\n", __func__);
+			}
+		}
+
+		if (saa7164_boards[dev->board].portf == SAA7164_MPEG_VBI) {
+			if (saa7164_vbi_register(&dev->ports[ SAA7164_PORT_VBI2 ]) < 0) {
+				printk(KERN_ERR"%s() Failed to register "
+					"vbi device\n", __func__);
+			}
+		}
+
+
 	} /* != BOARD_UNKNOWN */
 	else
 		printk(KERN_ERR "%s() Unsupported board detected, "
@@ -1144,6 +1265,10 @@ static void __devexit saa7164_finidev(struct pci_dev *pci_dev)
 		&dev->ports[ SAA7164_PORT_ENC1 ].read_interval);
 	saa7164_histogram_print(&dev->ports[ SAA7164_PORT_ENC1 ],
 		&dev->ports[ SAA7164_PORT_ENC1 ].poll_interval);
+	saa7164_histogram_print(&dev->ports[ SAA7164_PORT_VBI1 ],
+		&dev->ports[ SAA7164_PORT_VBI1 ].read_interval);
+	saa7164_histogram_print(&dev->ports[ SAA7164_PORT_VBI2 ],
+		&dev->ports[ SAA7164_PORT_VBI2 ].poll_interval);
 
 	saa7164_shutdown(dev);
 
@@ -1159,6 +1284,12 @@ static void __devexit saa7164_finidev(struct pci_dev *pci_dev)
 	if (saa7164_boards[dev->board].portd == SAA7164_MPEG_ENCODER)
 		saa7164_encoder_unregister(&dev->ports[ SAA7164_PORT_ENC2 ]);
 
+	if (saa7164_boards[dev->board].porte == SAA7164_MPEG_VBI)
+		saa7164_vbi_unregister(&dev->ports[ SAA7164_PORT_VBI1 ]);
+
+	if (saa7164_boards[dev->board].portf == SAA7164_MPEG_VBI)
+		saa7164_vbi_unregister(&dev->ports[ SAA7164_PORT_VBI2 ]);
+
 	saa7164_i2c_unregister(&dev->i2c_bus[0]);
 	saa7164_i2c_unregister(&dev->i2c_bus[1]);
 	saa7164_i2c_unregister(&dev->i2c_bus[2]);

drivers/media/video/saa7164/saa7164-reg.h

@@ -156,6 +156,8 @@
 #define EXU_INTERRUPT_CONTROL		0x03
 
 /* State Transition and args */
+#define SAA_PROBE_CONTROL	0x01
+#define SAA_COMMIT_CONTROL	0x02
 #define SAA_STATE_CONTROL	0x03
 #define SAA_DMASTATE_STOP	0x00
 #define SAA_DMASTATE_ACQUIRE	0x01

drivers/media/video/saa7164/saa7164-types.h

@@ -414,3 +414,23 @@ typedef struct
 	u8	bPackDataType;
 } __attribute__((packed)) tmComResPSFormatDescrHeader_t;
 
+/* VBI control structure */
+typedef struct
+{
+	u8	len;
+	u8	type;
+	u8	subtype; /* VS_FORMAT_VBI */
+	u8	bFormatIndex;
+	u32	VideoStandard; /* See KS_AnalogVideoStandard, NTSC = 1 */
+	u8	StartLine; /* NTSC Start = 10 */
+	u8	EndLine; /* NTSC = 21 */
+	u8	FieldRate; /* 60 for NTSC */
+	u8	bNumLines; /* Unsed - scheduled for removal */
+} __attribute__((packed)) tmComResVBIFormatDescrHeader_t;
+
+typedef struct
+{
+	u16	bmHint;
+	u8	bFormatIndex;
+	u8	bFrameIndex;
+} __attribute__((packed)) tmComResProbeCommit_t;

drivers/media/video/saa7164/saa7164.h

@@ -88,13 +88,16 @@
 #define SAA7164_PS_NUMBER_OF_LINES	256
 #define SAA7164_PT_ENTRIES		16 /* (312 * 188) / 4096 */
 #define SAA7164_MAX_ENCODER_BUFFERS	64 /* max 5secs of latency at 6Mbps */
+#define SAA7164_MAX_VBI_BUFFERS		64
 
 /* Port related defines */
 #define SAA7164_PORT_TS1	(0)
 #define SAA7164_PORT_TS2	(SAA7164_PORT_TS1 + 1)
 #define SAA7164_PORT_ENC1	(SAA7164_PORT_TS2 + 1)
 #define SAA7164_PORT_ENC2	(SAA7164_PORT_ENC1 + 1)
-#define SAA7164_MAX_PORTS	(SAA7164_PORT_ENC2 + 1)
+#define SAA7164_PORT_VBI1	(SAA7164_PORT_ENC2 + 1)
+#define SAA7164_PORT_VBI2	(SAA7164_PORT_VBI1 + 1)
+#define SAA7164_MAX_PORTS	(SAA7164_PORT_VBI2 + 1)
 
 #define DBGLVL_FW    4
 #define DBGLVL_DVB   8
@@ -105,6 +108,7 @@
 #define DBGLVL_IRQ 256
 #define DBGLVL_BUF 512
 #define DBGLVL_ENC 1024
+#define DBGLVL_VBI 2048
 
 #define SAA7164_NORMS ( V4L2_STD_NTSC_M |  V4L2_STD_NTSC_M_JP |  V4L2_STD_NTSC_443 )
 
@@ -112,6 +116,7 @@ enum port_t {
 	SAA7164_MPEG_UNDEFINED = 0,
 	SAA7164_MPEG_DVB,
 	SAA7164_MPEG_ENCODER,
+	SAA7164_MPEG_VBI,
 };
 
 enum saa7164_i2c_bus_nr {
@@ -156,7 +161,8 @@ struct saa7164_unit {
 
 struct saa7164_board {
 	char	*name;
-	enum port_t porta, portb, portc, portd;
+	enum port_t porta, portb, portc,
+		portd, porte, portf;
 	enum {
 		SAA7164_CHIP_UNDEFINED = 0,
 		SAA7164_CHIP_REV2,
@@ -173,8 +179,15 @@ struct saa7164_subid {
 
 struct saa7164_encoder_fh {
 	struct saa7164_port *port;
-	u32 freq;
-	u32 tuner_type;
+//	u32 freq;
+//	u32 tuner_type;
+	atomic_t v4l_reading;
+};
+
+struct saa7164_vbi_fh {
+	struct saa7164_port *port;
+//	u32 freq;
+//	u32 tuner_type;
 	atomic_t v4l_reading;
 };
 
@@ -270,6 +283,23 @@ struct saa7164_encoder_params {
 	u32 gop_size;
 };
 
+struct saa7164_vbi_params {
+	struct saa7164_tvnorm encodernorm;
+	u32 height;
+	u32 width;
+	u32 is_50hz;
+	u32 bitrate; /* bps */
+	u32 bitrate_peak; /* bps */
+	u32 bitrate_mode;
+	u32 stream_type; /* V4L2_MPEG_STREAM_TYPE_MPEG2_TS */
+
+	u32 audio_sampling_freq;
+	u32 ctl_mute;
+	u32 ctl_aspect;
+	u32 refdist;
+	u32 gop_size;
+};
+
 struct saa7164_port;
 
 struct saa7164_buffer {
@@ -374,7 +404,7 @@ struct saa7164_port {
 
 	struct work_struct workenc;
 
-	/* V4L */
+	/* V4L Encoder Video */
 	struct saa7164_encoder_params encoder_params;
 	struct video_device *v4l_device;
 	atomic_t v4l_reader_count;
@@ -383,6 +413,10 @@ struct saa7164_port {
 	struct saa7164_buffer list_buf_free;
 	wait_queue_head_t wait_read;
 
+	/* V4L VBI */
+	tmComResVBIFormatDescrHeader_t vbi_fmt_ntsc;
+	struct saa7164_vbi_params vbi_params;
+
 	/* Debug */
 	u32 sync_errors;
 	u32 v_cc_errors;
@@ -442,6 +476,7 @@ struct saa7164_dev {
 extern struct list_head saa7164_devlist;
 extern unsigned int waitsecs;
 extern unsigned int encoder_buffers;
+extern unsigned int vbi_buffers;
 
 /* ----------------------------------------------------------- */
 /* saa7164-core.c                                              */
@@ -505,6 +540,7 @@ int saa7164_api_set_audio_volume(struct saa7164_port *port, s8 level);
 int saa7164_api_set_audio_std(struct saa7164_port *port);
 int saa7164_api_set_audio_detection(struct saa7164_port *port, int autodetect);
 int saa7164_api_get_videomux(struct saa7164_port *port);
+int saa7164_api_set_vbi_format(struct saa7164_port *port);
 
 /* ----------------------------------------------------------- */
 /* saa7164-cards.c                                             */
@@ -545,6 +581,11 @@ extern int saa7164_buffer_zero_offsets(struct saa7164_port *port, int i);
 int saa7164_encoder_register(struct saa7164_port *port);
 void saa7164_encoder_unregister(struct saa7164_port *port);
 
+/* ----------------------------------------------------------- */
+/* saa7164-vbi.c                                            */
+int saa7164_vbi_register(struct saa7164_port *port);
+void saa7164_vbi_unregister(struct saa7164_port *port);
+
 /* ----------------------------------------------------------- */
 
 extern unsigned int crc_checking;