The kernel seems to have a driver loaded. I've tried kaffeine, xdtv, motv but none give me picture or sound. Some details (things I've done in response to advice so far) below. Advice appreciated.
.................................................
# lspci
05:04.0 Multimedia controller: Philips Semiconductors SAA7130 Video Broadcast Decoder (rev 01)

#lsmod
saa7134 118412 0
video_buf 20452 1 saa7134
compat_ioctl32 1920 1 saa7134
ir_kbd_i2c 7504 1 saa7134
ir_common 30468 2 saa7134,ir_kbd_i2c
videodev 27296 1 saa7134
v4l2_common 16064 2 saa7134,videodev
v4l1_compat 14308 2 saa7134,videodev


#lshw
*-multimedia
description: Multimedia controller
product: SAA7130 Video Broadcast Decoder
vendor: Philips Semiconductors
physical id: 4
bus info: pci@0000:05:04.0
version: 01
width: 32 bits
clock: 33MHz
capabilities: pm bus_master cap_list
configuration: driver=saa7134 latency=66 maxlatency=32 mingnt=84 module=saa7134


# dmesg | grep saa
saa7130/34: v4l2 driver version 0.2.14 loaded
saa7130[0]: found at 0000:05:04.0, rev: 1, irq: 18, latency: 66, mmio: 0xfc510000
saa7130[0]: subsystem: 107d:6655, board: UNKNOWN/GENERIC [card=0,autodetected]
saa7130[0]: board init: gpio is 2020000
saa7130[0]: i2c eeprom 00: 7d 10 55 66 54 20 1c 00 43 43 a9 1c 55 d2 b2 92
saa7130[0]: i2c eeprom 10: 00 ff 82 0e ff 20 ff ff ff ff ff ff ff ff ff ff
saa7130[0]: i2c eeprom 20: 01 40 01 01 01 ff 01 03 08 ff 00 8a ff ff ff ff
saa7130[0]: i2c eeprom 30: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
saa7130[0]: i2c eeprom 40: ff 35 00 c0 00 10 03 02 ff 04 ff ff ff ff ff ff
saa7130[0]: i2c eeprom 50: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
saa7130[0]: i2c eeprom 60: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
saa7130[0]: i2c eeprom 70: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
saa7130[0]: registered device video0 [v4l2]
saa7130[0]: registered device vbi0

--------------------------------------------still trying:
]# scandvb /usr/share/dvb-apps/scan/dvb-t/au-Melbourne
scanning /usr/share/dvb-apps/scan/dvb-t/au-Melbourne
using '/dev/dvb/adapter0/frontend0' and '/dev/dvb/adapter0/demux0'
main:2247: FATAL: failed to open '/dev/dvb/adapter0/frontend0': 2 No such file or directory
-----------------------------------------still trying:
there's nothing resembling /dev/dvb shouldn't there be?

Here is a good write up on SAA7130 issues:

http://jobinau.googlepages.com/saa71...cardunderlinux

Here is my /etc/modprobe.conf entry for a KWorld PVR7134 card: