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Date: Wed, 16 Jun 1999 18:31:41 +0900
From: MIHIRA Sanpei Yoshiro <sanpei@sanpei.org>
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Subject: [FreeBSD-tech-jp 2215] Re: Sound and PnP device
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  $B!V(BNOTE-PC $B$G(B PnP device $B$J(B Sound $B%A%C%W$OL5$$!W(B

$B$HCG8@$7$^$7$?$,(B. 

  $B<!$N(B NOTE-PC $B7/$,(B PnP $B$G$7$?(B($B<:Ni$7$^$7$?(B^^). 
	o $B;0I)(B AMITY 200MHz Pentium MMX
	o ESS1879 $B$r;HMQ(B
	o BIOS $B$G$O(B, ESS1879 $B$N(B irq, dma, io port $B$O;XDj$G$-$:(B

Probing for PnP devices:
CSN 1 Vendor ID: ESS1879 [0x79187316] Serial 0xffffffff Comp ID: @@@0000 [0x00000000]
ESS1879 (rev 11, native mode)
pcm1 (ESS1868 <ESS1868> sn 0xffffffff) at 0x220-0x22f irq 5 drq 1 on isa
         ~~~~ <--- $B$3$3$,(B 1879 $B$H$J$i$J$$$N$O(B, pcm $B%I%i%$%P$N<jH4$-$G$9(B^^;


----------
>snd$B$N;~$K(B mpg123$B$r;H$&$He:No$K:F@8$G$-(B $B$F(B $BB>$N:F@8%=%U%H$@$H(BNG$B$JM}M3$,(B 
>$B$A$H$o$+$j$^$;$s!#(B

  $B$$$o$f$k(B snd0 $B$G(B x11amp $B$r:F@8$7$?$1$l$P<!$N5-=R$,I,MW$+$b$7$l$^$;(B
$B$s(B. ($B$G$b(B x11amp $B$,(B 44KHz, 16bit $B7h$a$&$A$@$H(B NG $B$+$J(B)

sys/i386/isa/sound/dmabuf.c $B$K<!$NFs9T$rDI2C(B

#define THE_REAL_SNDCTL_DSP_GETBLKSIZE _IOWR('P', 4, int)	<---
    case THE_REAL_SNDCTL_DSP_GETBLKSIZE:			<---
    case SNDCTL_DSP_GETBLKSIZE:
 
  $B$@$l$+(B send-pr $B$7$^$;$s$+(B?
----------
  pcm0 $B$H(B snd0 $B$G$b(B mpg123 -v -v -v -v $B$7$?$H$-$N(B Audio capabilties:
$B7k2L$OF1$8$G$"$k$Y$-$@$H(B($B%=!<%9$r8+$:$K(B)$B;W$&$N$G(B. $BB?J,(B pcm0 $B$N(B
Audio capabilties $B$NJV;v$r$9$kItJ,(B Bug??

MIHIRA Sanpei Yoshiro
