NetBSD prototype driver
This commit is contained in:
Romain Dolbeau
parent
a1dcf5ee91
commit
292ac54e7f
38
NetBSD/9.0/patch
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38
NetBSD/9.0/patch
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@ -0,0 +1,38 @@
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diff -ur usr.orig/src/sys/arch/sparc/conf/majors.sparc usr/src/sys/arch/sparc/conf/majors.sparc
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--- usr.orig/src/sys/arch/sparc/conf/majors.sparc 2019-01-28 03:29:00.000000000 +0100
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+++ usr/src/sys/arch/sparc/conf/majors.sparc 2020-12-13 13:58:42.239971068 +0100
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@@ -122,6 +122,7 @@
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device-major joy char 137 joy
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#device-major obsolete char 138 obsolete (opencrypto)
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+device-major rdfpga char 139 rdfpga
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# Majors up to 143 are reserved for machine-dependent drivers.
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# New machine-independent driver majors are assigned in
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diff -ur usr.orig/src/sys/dev/DEVNAMES usr/src/sys/dev/DEVNAMES
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--- usr.orig/src/sys/dev/DEVNAMES 2019-11-25 21:47:25.000000000 +0100
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+++ usr/src/sys/dev/DEVNAMES 2020-12-13 13:14:08.522443504 +0100
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@@ -1144,6 +1144,7 @@
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rbox hp300
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rd hp300
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rd vax
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+rdfpga sparc
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re MI
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repulse amiga
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repulse amigappc
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diff -ur usr.orig/src/sys/dev/sbus/files.sbus usr/src/sys/dev/sbus/files.sbus
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--- usr.orig/src/sys/dev/sbus/files.sbus 2019-05-08 15:40:19.000000000 +0200
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+++ usr/src/sys/dev/sbus/files.sbus 2020-12-13 08:16:49.587203688 +0100
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@@ -156,3 +156,10 @@
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device mgx: fb, rasops8, rasops32, wsemuldisplaydev, vcons, glyphcache
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attach mgx at sbus
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file dev/sbus/mgx.c mgx
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+
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+#
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+# Others
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+#
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+device rdfpga {}
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+attach rdfpga at sbus
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+file dev/sbus/rdfpga.c
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Only in usr/src/sys/dev/sbus: rdfpga.c
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Only in usr/src/sys/dev/sbus: rdfpga.h
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224
NetBSD/9.0/usr/src/sys/dev/sbus/rdfpga.c
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224
NetBSD/9.0/usr/src/sys/dev/sbus/rdfpga.c
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@ -0,0 +1,224 @@
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/* $NetBSD$ */
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/*-
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* Copyright (c) 2020 Romain Dolbeau <romain@dolbeau.org>
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
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* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <sys/cdefs.h>
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__KERNEL_RCSID(0, "$NetBSD$");
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#include <sys/param.h>
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#include <sys/systm.h>
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#include <sys/kernel.h>
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#include <sys/errno.h>
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#include <sys/device.h>
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#include <sys/malloc.h>
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#include <sys/bus.h>
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#include <machine/autoconf.h>
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#include <sys/cpu.h>
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#include <sys/conf.h>
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#include <sys/ioccom.h>
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#include <dev/sbus/sbusvar.h>
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#include <dev/sbus/rdfpga.h>
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int rdfpga_print(void *, const char *);
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int rdfpga_match(device_t, cfdata_t, void *);
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void rdfpga_attach(device_t, device_t, void *);
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CFATTACH_DECL_NEW(rdfpga, sizeof(struct rdfpga_softc),
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rdfpga_match, rdfpga_attach, NULL, NULL);
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dev_type_open(rdfpga_open);
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dev_type_close(rdfpga_close);
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dev_type_ioctl(rdfpga_ioctl);
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const struct cdevsw rdfpga_cdevsw = {
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.d_open = rdfpga_open,
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.d_close = rdfpga_close,
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.d_read = noread,
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.d_write = nowrite,
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.d_ioctl = rdfpga_ioctl,
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.d_stop = nostop,
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.d_tty = notty,
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.d_poll = nopoll,
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.d_mmap = nommap,
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.d_kqfilter = nokqfilter,
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.d_discard = nodiscard,
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.d_flag = 0
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};
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extern struct cfdriver rdfpga_cd;
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struct rdfpga_128bits {
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uint32_t x[4];
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};
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#define RDFPGA_WC _IOW(0, 1, struct rdfpga_128bits)
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#define RDFPGA_WH _IOW(0, 2, struct rdfpga_128bits)
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#define RDFPGA_WI _IOW(0, 3, struct rdfpga_128bits)
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#define RDFPGA_RC _IOR(0, 4, struct rdfpga_128bits)
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#define RDFPGA_WL _IOW(0, 1, uint32_t)
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int
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rdfpga_ioctl (dev_t dev, u_long cmd, void *data, int flag, struct lwp *l)
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{
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struct rdfpga_softc *sc = device_lookup_private(&rdfpga_cd, minor(dev));
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struct rdfpga_128bits *bits = (struct rdfpga_128bits*)data;
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int err = 0, i;
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switch (cmd) {
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case RDFPGA_WC:
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for (i = 0 ; i < 4 ; i++)
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bus_space_write_4(sc->sc_bustag, sc->sc_bhregs, (RDFPGA_REG_C + (i*4)), bits->x[i] );
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break;
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case RDFPGA_WH:
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for (i = 0 ; i < 4 ; i++)
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bus_space_write_4(sc->sc_bustag, sc->sc_bhregs, (RDFPGA_REG_H + (i*4)), bits->x[i] );
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break;
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case RDFPGA_WI:
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for (i = 0 ; i < 4 ; i++)
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bus_space_write_4(sc->sc_bustag, sc->sc_bhregs, (RDFPGA_REG_I + (i*4)), bits->x[i] );
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break;
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case RDFPGA_RC:
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for (i = 0 ; i < 4 ; i++)
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bits->x[i] = bus_space_read_4(sc->sc_bustag, sc->sc_bhregs, (RDFPGA_REG_C + (i*4)));
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break;
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case RDFPGA_WL:
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bus_space_write_4(sc->sc_bustag, sc->sc_bhregs, RDFPGA_REG_LED, *(uint32_t*)data);
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break;
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default:
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err = EINVAL;
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break;
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}
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return(err);
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}
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int
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rdfpga_open(dev_t dev, int flags, int mode, struct lwp *l)
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{
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struct rdfpga_softc *sc = device_lookup_private(&rdfpga_cd, minor(dev));
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int i;
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for (i = 0 ; i < 4 ; i++)
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bus_space_write_4(sc->sc_bustag, sc->sc_bhregs, (RDFPGA_REG_C + (i*4)), 0);
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for (i = 0 ; i < 4 ; i++)
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bus_space_write_4(sc->sc_bustag, sc->sc_bhregs, (RDFPGA_REG_H + (i*4)), 0);
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for (i = 0 ; i < 4 ; i++)
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bus_space_write_4(sc->sc_bustag, sc->sc_bhregs, (RDFPGA_REG_I + (i*4)), 0);
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return (0);
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}
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int
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rdfpga_close(dev_t dev, int flags, int mode, struct lwp *l)
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{
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struct rdfpga_softc *sc = device_lookup_private(&rdfpga_cd, minor(dev));
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int i;
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for (i = 0 ; i < 4 ; i++)
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bus_space_write_4(sc->sc_bustag, sc->sc_bhregs, (RDFPGA_REG_C + (i*4)), 0);
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for (i = 0 ; i < 4 ; i++)
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bus_space_write_4(sc->sc_bustag, sc->sc_bhregs, (RDFPGA_REG_H + (i*4)), 0);
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for (i = 0 ; i < 4 ; i++)
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bus_space_write_4(sc->sc_bustag, sc->sc_bhregs, (RDFPGA_REG_I + (i*4)), 0);
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return (0);
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}
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int
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rdfpga_print(void *aux, const char *busname)
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{
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sbus_print(aux, busname);
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return (UNCONF);
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}
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int
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rdfpga_match(device_t parent, cfdata_t cf, void *aux)
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{
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struct sbus_attach_args *sa = (struct sbus_attach_args *)aux;
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return (strcmp("RDOL,SBusFPGA", sa->sa_name) == 0);
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}
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/*
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* Attach all the sub-devices we can find
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*/
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void
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rdfpga_attach(device_t parent, device_t self, void *aux)
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{
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struct sbus_attach_args *sa = aux;
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struct rdfpga_softc *sc = device_private(self);
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struct sbus_softc *sbsc = device_private(parent);
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int node;
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int sbusburst;
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/* bus_dma_tag_t dt = sa->sa_dmatag; */
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bus_space_handle_t bh;
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sc->sc_bustag = sa->sa_bustag;
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sc->sc_dev = self;
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if (sbus_bus_map(sc->sc_bustag, sa->sa_slot, sa->sa_offset, sa->sa_size,
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BUS_SPACE_MAP_LINEAR, &bh) != 0) {
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aprint_error(": cannot map registers\n");
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return;
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}
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sc->sc_bhregs = bh;
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//sc->sc_buffer = bus_space_vaddr(sc->sc_bustag, sc->sc_bhregs);
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sc->sc_bufsiz = sa->sa_size;
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node = sc->sc_node = sa->sa_node;
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/*
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* Get transfer burst size from PROM
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*/
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sbusburst = sbsc->sc_burst;
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if (sbusburst == 0)
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sbusburst = SBUS_BURST_32 - 1; /* 1->16 */
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sc->sc_burst = prom_getpropint(node, "burst-sizes", -1);
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if (sc->sc_burst == -1)
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/* take SBus burst sizes */
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sc->sc_burst = sbusburst;
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/* Clamp at parent's burst sizes */
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sc->sc_burst &= sbusburst;
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aprint_normal_dev(self, " nid %d, burst %x\n",
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sc->sc_node,
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sc->sc_burst);
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/* change blink pattern */
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bus_space_write_4(sc->sc_bustag, sc->sc_bhregs, RDFPGA_REG_LED , 0x81422418);
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}
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53
NetBSD/9.0/usr/src/sys/dev/sbus/rdfpga.h
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53
NetBSD/9.0/usr/src/sys/dev/sbus/rdfpga.h
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@ -0,0 +1,53 @@
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/* $NetBSD$ */
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/*-
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* Copyright (c) 1998 The NetBSD Foundation, Inc.
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* All rights reserved.
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*
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* This code is derived from software contributed to The NetBSD Foundation
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* by Paul Kranenburg.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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||||
* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
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* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef _RDFPGA_H_
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#define _RDFPGA_H_
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struct rdfpga_softc {
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device_t sc_dev; /* us as a device */
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u_int sc_rev; /* revision */
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int sc_node; /* PROM node ID */
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int sc_burst; /* DVMA burst size in effect */
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bus_space_tag_t sc_bustag; /* bus tag */
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bus_space_handle_t sc_bhregs; /* bus handle */
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//void * sc_buffer; /* VA of the registers */
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int sc_bufsiz; /* Size of buffer */
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int attached; /* 1: in use by `le' device */
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};
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#define RDFPGA_REG_LED 0x0
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#define RDFPGA_REG_H 0x40
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#define RDFPGA_REG_C 0x50
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#define RDFPGA_REG_I 0x60
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#endif /* _RDFPGA_H_ */
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