Hello,
I solved the matrix problem. In fact, it was quite obvious by looking at the
hdsp driver code. The 9632 card was considered as a 9652 regarding the matrix,
and so the offsets in the matrix were wrong. See the attached patch. I think
the "switch()" statement should be replaced by an "if (hdsp->firmware_rev >=
0x96)", which would allow the next firmwares of the hdsp9632 to be considered
as hdsp9632 and not as 9652.
For the frequency problem, I got an answer from RME which explains that another
register needs to be set (together with the freq0, 1, 2 bits of the control
register). This register is the "DDS" register. Here is how it should be
computed:
UINT64 CalcDDSValue(UINT64 rate)
{
if (rate >= 112000)
rate /= 4;
else if (rate >= 56000)
rate /= 2;
return 104857600000000 / rate;
}
MemBase[FREQ_REG] = (ULONG)CalcDDSValue(new_rate)
Any ideas of what the offset of this register is? If not, I will ask him. BTW,
this register exists only for the 9632 and not for the 9652.
Regards,
Remy
On Tuesday 03 October at 12:37, Remy Bruno wrote:
> Hello,
>
> I'm having a strange problem with an RME HDSP 9632 card I recently bought. I've
> contacted RME, but would like to know if somebody here is having the same
> problem, or if there is a known issue about this (and if possible, a
> workaround).
>
> Start of the story: a couple of monthes ago (let's say about one year, but I'm
> not sure of the time-scale), I got a RME HDSP 9632. Alsa driver was working
> perfectly, I got the 12 I/O (16 with the additionnal add-on cards), the mixer
> matrix worked as expected (mixer params = src,dest,32768 with src=dest+16 for
> sending playback channels to audio outputs). After an hardware problem with the
> card (I plugged the analog add-on card while it was running, which burned the
> card!), I had to get a new one. I didn't manage to get this new card work, so I
> suspected a specific problem with this new card. More recently (one week ago),
> I needed to use an RME9632, so I got a new one, and I'm having about the same
> problem than with the 2nd one:
> - card does not work in master. Everything is as if it ran at 24kHz (sound
> plays slowly), even if the card pretends to run at the desired sample rate
> (say 44.1 or 48kHz). So master mode is unusable.
> Master worked with the 1st card.
> - in slave, it seems to be more or less OK, but the matrix behavior is
> extremely weird. For sending playback channels 9,10,11,12 on outputs
> 9,10,11,12 (SPDIF & analog), I need to put the value 32768 in the following
> coefficients: (62, 4), (1, 6), (24, 6), (15, 7)
> With the first (now dead) card, I used the normal following matrix
> coefficients: (24,8) (25,9), (26, 10), (27, 11)
>
> Any idea?
>
> Thanks
>
> Remy
>
>
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--- hdsp.c.org 2006-09-29 13:40:37.000000000 +0200
+++ hdsp.c 2006-10-06 15:26:44.000000000 +0200
@@ -598,6 +598,7 @@
return (64 * out) + (32 + (in));
case 0x96:
case 0x97:
+ case 0x98:
return (32 * out) + (16 + (in));
default:
return (52 * out) + (26 + (in));
@@ -611,6 +612,7 @@
return (64 * out) + in;
case 0x96:
case 0x97:
+ case 0x98:
return (32 * out) + in;
default:
return (52 * out) + in;
-------------------------------------------------------------------------
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