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
#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;
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;
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");
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'
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();
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;
}
}
+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)
{
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;
tmComResProcDescrHeader_t *pdh;
tmComResAFeatureDescrHeader_t *afd;
tmComResEncoderDescrHeader_t *edh;
+ tmComResVBIFormatDescrHeader_t *vbifmt;
u32 currpath = 0;
dprintk(DBGLVL_API,
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,
.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,
.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,
.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,
.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,
.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,
.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,
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");
}
}
+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);
}
+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;
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;
} 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,
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 */
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;
}
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 "
}
}
+ 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, "
&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);
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]);
#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
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;
#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
#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 )
SAA7164_MPEG_UNDEFINED = 0,
SAA7164_MPEG_DVB,
SAA7164_MPEG_ENCODER,
+ SAA7164_MPEG_VBI,
};
enum saa7164_i2c_bus_nr {
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,
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;
};
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 {
struct work_struct workenc;
- /* V4L */
+ /* V4L Encoder Video */
struct saa7164_encoder_params encoder_params;
struct video_device *v4l_device;
atomic_t v4l_reader_count;
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;
extern struct list_head saa7164_devlist;
extern unsigned int waitsecs;
extern unsigned int encoder_buffers;
+extern unsigned int vbi_buffers;
/* ----------------------------------------------------------- */
/* saa7164-core.c */
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 */
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;
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