Date: Fri, 19 Jul 1996 18:48:18 +0200 (MET DST) From: J Wunsch <j@uriah.heep.sax.de> To: freebsd-scsi@freebsd.org Cc: jmz@cabri.obs-besancon.fr (Jean-Marc Zucconi) Subject: Re: CD driver Message-ID: <199607191648.SAA01276@uriah.heep.sax.de> In-Reply-To: <9607191436.AA18664@cabri.obs-besancon.fr> from Jean-Marc Zucconi at "Jul 19, 96 03:36:09 pm"
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As Jean-Marc Zucconi wrote:
> > 0xd9? Sheesh. Yet another one... What is it? The same parameter
> > list as 0xa8 (READ(12))?
>
> Here is how I do it:
> #define READ_DIGITAL_AUDIO 0xd9 /* cdrom read digital audio */
>
> struct scsi_read_digitalaudio
> {
> u_char op_code;
> u_char :5;
> u_char lun:3;
> u_char unused1;
> u_char start_m;
> u_char start_s;
> u_char start_f;
> u_char unused2;
> u_char end_m;
> u_char end_s;
> u_char end_f;
> u_char subcode;
> u_char control;
> };
Ah, so this looks like a READ AUDIO MSF command. 0xd8 is a READ AUDIO
LBA (with the exact same parameter list as 0xa8 -- READ(12)). Can you
perchance test whether your drive would also grok the 0xd8 one?
(Btw., what's the `subcode' field for?)
--
cheers, J"org
joerg_wunsch@uriah.heep.sax.de -- http://www.sax.de/~joerg/ -- NIC: JW11-RIPE
Never trust an operating system you don't have sources for. ;-)
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