AVerMedia Cardbus E500

I have an AverMedia Cardbus (E500) which works fine with Windows XP. In recent 2.6.11 kernels there is this line in drivers/media/video/saa7134/saa7134.h:

#define SAA7134_BOARD_AVERMEDIA_CARDBUS 46

but the corresponding entry in saa7134-cards.c didn't work for me, I couldn't tune in any channel.

To make is work, I did the following:

1. Got the (almost) latest kernel from www.kernel.org (2.6.12-rc1) with support for tda8290+75.

2. In saa7134-cards.c I replaced the the board config entry for this card with the following:

   	[SAA7134_BOARD_AVERMEDIA_CARDBUS] = {
		/* Kees.Blom@cwi.nl */
		.name           = "AVerMedia Cardbus TV (E500)",
		.audio_clock    = 0x187de7,
		.tuner_type     = TUNER_PHILIPS_TDA8290,
		.inputs         = {{
			.name = name_tv,
			.vmux = 1,
			.amux = LINE2,
			.tv   = 1,
		},{
			.name = name_comp1,
			.vmux = 3,
			.amux = LINE2,
		},{
			.name = name_svideo,
			.vmux = 8,
			.amux = LINE2,
		}},
		.radio = {
                	.name = name_radio,
			.amux = LINE1,
		},
	},

3. Added this code in saa7134-cards.c, under the function saa7134_board_init1():

	case SAA7134_BOARD_AVERMEDIA_CARDBUS:
		/* wake-up tuner chip */
		saa_andorl(SAA7134_GPIO_GPMODE0 >> 2,   0x0FFFFFFFF, 0x0FFFFFFFF);
		saa_andorl(SAA7134_GPIO_GPSTATUS0 >> 2, 0x0FFFFFFFF, 0x0FFFFFFFF);
		break;

4. With these compiled, installed and rebooted, I issued

modprobe saa7134 oss=1

This resulted in the following lines in /var/log/messages:

Mar 28 21:57:55 localhost kernel: Linux video capture interface: v1.00
Mar 28 21:57:55 localhost kernel: saa7130/34: v4l2 driver version 0.2.12 loaded
Mar 28 21:57:55 localhost kernel: ACPI: PCI interrupt 0000:07:00.0[A] -> GSI 11 (level, low) -> IRQ 11
Mar 28 21:57:55 localhost kernel: saa7134[0]: found at 0000:07:00.0, rev: 1, irq : 11, latency: 64, mmio: 0x21000000
Mar 28 21:57:55 localhost kernel: saa7134[0]: subsystem: 1461:d6ee, board: AVerMedia Cardbus TV/Radio [card=46,autodetected]
Mar 28 21:57:55 localhost kernel: saa7134[0]: board init: gpio is effffff
Mar 28 21:57:56 localhost kernel: tuner 0-004b: chip found @ 0x96 (saa7134[0])
Mar 28 21:57:56 localhost kernel: tuner 0-004b: tuner: type set to tda8290+75
Mar 28 21:57:56 localhost kernel: saa7134[0]: i2c eeprom 00: 61 14 ee d6 ff ff ff ff ff ff ff ff ff ff ff ff
Mar 28 21:57:56 localhost kernel: saa7134[0]: i2c eeprom 10: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
Mar 28 21:57:56 localhost kernel: saa7134[0]: i2c eeprom 20: ee df ff ff ff ff ff ff ff ff ff ff ff ff ff ff
Mar 28 21:57:56 localhost kernel: saa7134[0]: i2c eeprom 30: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
Mar 28 21:57:56 localhost kernel: saa7134[0]: registered device video0 [v4l2]
Mar 28 21:57:56 localhost kernel: saa7134[0]: registered device vbi0
Mar 28 21:57:56 localhost kernel: saa7134[0]: registered device radio0
Mar 28 21:57:56 localhost kernel: saa7134[0]: registered device dsp2
Mar 28 21:57:56 localhost kernel: saa7134[0]: registered device mixer2

5. Video

At this point I could tune-in tv channels and see tv pictures with xawtv, tvtime and kdetv.

6. Audio

To get tv sound, I first typed in a terminal while tvtime was running (after killing artsd):

sox -tossdsp /dev/dsp2 -tossdsp /dev/dsp

However, this command is just a hack and sound terminates when changing channels in tvtime.

A better solution is to use Hartmut Hackman's code in CVS (as of 10 May 2005). I downloaded these files from linuxtv.org:

saa7134-oss.c,v 1.14 2005/05/18 22:45:16 hhackmann
saa7134-tvaudio.c,v 1.23 2005/05/18 22:46:17 hhackmann

and set

.amux = TV

After compiling and loading the module saa7134, the commands:

tvtime --mixer=/dev/mixer:vol&
sox -c 2 -s -w -r 32000 -t ossdsp /dev/dsp2 -t ossdsp -w -r 32000 /dev/dsp &

starts tvtime with sound and sound is now restored when changing channels.

The only flaw left is that, when changing channel, during ~1 sec. sound of the new channel is heard, followed by ~1 sec. of noise, whereafter sound is restored properly.

6. Problems left

• is the code to wake up the tuner chip correct? Isn't trying to set all bits high a little bit too much?
• so far, I haven't tested the S-Video and Composite inputs of this card.

Edit:Both S-Video and Composite inputs work fine, even before changes to saa7134-cards.c. I needed to pass the module option

modprobe saa7134 card=46 oss=1

because the card type was not auto detected.

This was done on a Dell Inspiron 4150 with Fedora Core 3 Installed.

---

Kees Blom

It looks like that all the source changes are in the 2.6.15 kernel (and probably som lower versions). //jostmart