CVS commit: src/sys/arch/luna68k

["Izumi Tsutsui" <tsutsui%netbsd.org@localhost>]

Module Name:    src
Committed By:   tsutsui
Date:           Fri Jun 10 21:42:24 UTC 2022

Modified Files:
        src/sys/arch/luna68k/conf: GENERIC INSTALL files.luna68k majors.luna68k
        src/sys/arch/luna68k/dev: xp.c
        src/sys/arch/luna68k/luna68k: locore.s mainbus.c
Added Files:
        src/sys/arch/luna68k/dev: psgpam.c psgpam_enc.c psgpam_enc.h
            psgpam_table.c psgpam_table.h xpbus.c xpbusvar.h xpcmd.c xpcmd.h
            xplxfirm.c xplxfirm.h
        src/sys/arch/luna68k/dev/xplx: Makefile cdump.awk mkdefs.awk xplx.asm
            xplx.inc xplxdefs.h

Log Message:
luna68k: add psgpam(4) audio for LUNA, using YM2149 PSG/SSG sound chip.

"PSG PAM" is a audio driver using "Pulse Amplitude Modulation" with the
YM2149 PSG/SSG chip connected to the I/O processor HD647180X on LUNA.
The driver plays up to 30 kHz PCM audio by manipulating PSG channel volumes
at extremely high speed with 6.144 MHz HD647180X, a Z80 compatible sub CPU.
 https://www.youtube.com/watch?v=fR7PqaLpijQ
 https://www.youtube.com/watch?v=kCDZCgkwgBA

Compatibilities with the existing XPIOCDOWNLD ioctl(2) to download and
exec user programs (PSG sound driver player ported from PC-6001 etc.)
on the HD647180X is still provided.
 https://twitter.com/tsutsuii/status/1533247362965315584

This psgpam(4) driver for NetBSD/luna68k was written by @moveccr
during isaki-audio2 branch developments, and it was also demonstrated
at Open Source Conference 2018 Kyoto:
 https://github.com/isaki68k/netbsd-src/tree/audio2
 https://mail-index.netbsd.org/netbsd-advocacy/2018/08/07/msg000781.html
 https://twitter.com/tsutsuii/status/1025504875625365505

Note specifications of interrupts from the HD647180X to the host LUNA
was confirmed by Kenji Aoyama on his LUNA-88K2 running OpenBSD/luna88k.

I would like to thank all people still working on ancient LUNA machines!


To generate a diff of this commit:
cvs rdiff -u -r1.132 -r1.133 src/sys/arch/luna68k/conf/GENERIC
cvs rdiff -u -r1.33 -r1.34 src/sys/arch/luna68k/conf/INSTALL
cvs rdiff -u -r1.29 -r1.30 src/sys/arch/luna68k/conf/files.luna68k
cvs rdiff -u -r1.24 -r1.25 src/sys/arch/luna68k/conf/majors.luna68k
cvs rdiff -u -r0 -r1.1 src/sys/arch/luna68k/dev/psgpam.c \
    src/sys/arch/luna68k/dev/psgpam_enc.c \
    src/sys/arch/luna68k/dev/psgpam_enc.h \
    src/sys/arch/luna68k/dev/psgpam_table.c \
    src/sys/arch/luna68k/dev/psgpam_table.h src/sys/arch/luna68k/dev/xpbus.c \
    src/sys/arch/luna68k/dev/xpbusvar.h src/sys/arch/luna68k/dev/xpcmd.c \
    src/sys/arch/luna68k/dev/xpcmd.h src/sys/arch/luna68k/dev/xplxfirm.c \
    src/sys/arch/luna68k/dev/xplxfirm.h
cvs rdiff -u -r1.6 -r1.7 src/sys/arch/luna68k/dev/xp.c
cvs rdiff -u -r0 -r1.1 src/sys/arch/luna68k/dev/xplx/Makefile \
    src/sys/arch/luna68k/dev/xplx/cdump.awk \
    src/sys/arch/luna68k/dev/xplx/mkdefs.awk \
    src/sys/arch/luna68k/dev/xplx/xplx.asm \
    src/sys/arch/luna68k/dev/xplx/xplx.inc \
    src/sys/arch/luna68k/dev/xplx/xplxdefs.h
cvs rdiff -u -r1.67 -r1.68 src/sys/arch/luna68k/luna68k/locore.s
cvs rdiff -u -r1.17 -r1.18 src/sys/arch/luna68k/luna68k/mainbus.c

Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.