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[src/trunk]: src Add wscons drivers for the DEC PixelStamp graphics accelerat...
details: https://anonhg.NetBSD.org/src/rev/cfa81b3ade79
branches: trunk
changeset: 500712:cfa81b3ade79
user: ad <ad%NetBSD.org@localhost>
date: Sun Dec 17 13:52:03 2000 +0000
description:
Add wscons drivers for the DEC PixelStamp graphics accelerators.
diffstat:
distrib/sets/lists/comp/mi | 4 +-
sys/dev/tc/Makefile | 6 +-
sys/dev/tc/files.tc | 16 +-
sys/dev/tc/px.c | 285 ++++++++
sys/dev/tc/pxg.c | 398 ++++++++++++
sys/dev/tc/stic.c | 1445 ++++++++++++++++++++++++++++++++++++++++++++
sys/dev/tc/sticreg.h | 244 +++++++
sys/dev/tc/sticvar.h | 153 ++++
8 files changed, 2546 insertions(+), 5 deletions(-)
diffs (truncated from 2611 to 300 lines):
diff -r 3adb8df9b990 -r cfa81b3ade79 distrib/sets/lists/comp/mi
--- a/distrib/sets/lists/comp/mi Sun Dec 17 12:04:30 2000 +0000
+++ b/distrib/sets/lists/comp/mi Sun Dec 17 13:52:03 2000 +0000
@@ -1,4 +1,4 @@
-# $NetBSD: mi,v 1.285 2000/12/15 01:28:39 thorpej Exp $
+# $NetBSD: mi,v 1.286 2000/12/17 13:52:04 ad Exp $
./sys comp-sysutil-root
./usr/bin/addr2line comp-miscutil-bin
./usr/bin/ar comp-util-bin
@@ -354,6 +354,8 @@
./usr/include/dev/tc/ioasicreg.h comp-c-include
./usr/include/dev/tc/ioasicvar.h comp-c-include
./usr/include/dev/tc/sfbreg.h comp-c-include
+./usr/include/dev/tc/sticreg.h comp-c-include
+./usr/include/dev/tc/sticvar.h comp-c-include
./usr/include/dev/tc/tcdevs.h comp-c-include
./usr/include/dev/tc/tcdevs_data.h comp-c-include
./usr/include/dev/tc/tcdsreg.h comp-c-include
diff -r 3adb8df9b990 -r cfa81b3ade79 sys/dev/tc/Makefile
--- a/sys/dev/tc/Makefile Sun Dec 17 12:04:30 2000 +0000
+++ b/sys/dev/tc/Makefile Sun Dec 17 13:52:03 2000 +0000
@@ -1,11 +1,11 @@
-# $NetBSD: Makefile,v 1.6 2000/07/04 02:31:21 nisimura Exp $
+# $NetBSD: Makefile,v 1.7 2000/12/17 13:52:03 ad Exp $
# use 'make -f Makefile.tcdevs' to make tcdevs.h and tcdevs_data.h
INCSDIR= /usr/include/dev/tc
INCS= ascvar.h if_levar.h ioasicreg.h ioasicvar.h sfbreg.h \
- tcdevs.h tcdevs_data.h tcdsreg.h tcdsvar.h tcreg.h \
- tcvar.h
+ sticreg.h sticvar.h tcdevs.h tcdevs_data.h tcdsreg.h tcdsvar.h \
+ tcreg.h tcvar.h
.include <bsd.kinc.mk>
diff -r 3adb8df9b990 -r cfa81b3ade79 sys/dev/tc/files.tc
--- a/sys/dev/tc/files.tc Sun Dec 17 12:04:30 2000 +0000
+++ b/sys/dev/tc/files.tc Sun Dec 17 13:52:03 2000 +0000
@@ -1,4 +1,4 @@
-# $NetBSD: files.tc,v 1.19 2000/11/24 05:02:26 nisimura Exp $
+# $NetBSD: files.tc,v 1.20 2000/12/17 13:52:03 ad Exp $
#
# Config file and device description for machine-independent
# TURBOchannel code. Included by ports that need it.
@@ -59,6 +59,20 @@
#attach xcfb at tc
#file dev/tc/xcfb.c xcfb needs-flag
+# STIC (stamp interface chip) for PX and PXG
+#define stic
+#file dev/tc/stic.c stic
+
+# PX PMAG-C
+#device px: wsemuldisplaydev, stic
+#attach px at tc
+#file dev/tc/px.c px needs-flag
+
+# PXG PMAG-D, PMAG-E, PMAG-F
+#device pxg: wsemuldisplaydev, stic
+#attach pxg at tc
+#file dev/tc/pxg.c pxg needs-flag
+
# TCDS dual channel SCSI
#device tcds { chip = -1 }
#attach tcds at tc
diff -r 3adb8df9b990 -r cfa81b3ade79 sys/dev/tc/px.c
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/sys/dev/tc/px.c Sun Dec 17 13:52:03 2000 +0000
@@ -0,0 +1,285 @@
+/* $NetBSD: px.c,v 1.4 2000/12/17 13:52:03 ad Exp $ */
+
+/*-
+ * Copyright (c) 1999, 2000 The NetBSD Foundation, Inc.
+ * All rights reserved.
+ *
+ * This code is derived from software contributed to The NetBSD Foundation
+ * by Andrew Doran.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ * must display the following acknowledgement:
+ * This product includes software developed by the NetBSD
+ * Foundation, Inc. and its contributors.
+ * 4. Neither the name of The NetBSD Foundation nor the names of its
+ * contributors may be used to endorse or promote products derived
+ * from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
+ * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
+ * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
+ * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+
+/*
+ * Driver for DEC PixelStamp graphics adapters (PMAG-C).
+ */
+
+#include <sys/param.h>
+#include <sys/types.h>
+#include <sys/systm.h>
+#include <sys/device.h>
+#include <sys/malloc.h>
+#include <sys/callout.h>
+
+#include <uvm/uvm_extern.h>
+
+#if defined(pmax)
+#include <mips/cpuregs.h>
+#elif defined(alpha)
+#include <alpha/alpha_cpu.h>
+#endif
+
+#include <machine/autoconf.h>
+#include <machine/cpu.h>
+#include <machine/bus.h>
+
+#include <dev/cons.h>
+
+#include <dev/wscons/wsconsio.h>
+#include <dev/wscons/wsdisplayvar.h>
+
+#include <dev/ic/bt459reg.h>
+
+#include <dev/tc/tcvar.h>
+#include <dev/tc/sticreg.h>
+#include <dev/tc/sticvar.h>
+
+#define PX_STIC_POLL_OFFSET 0x000000 /* STIC DMA poll space */
+#define PX_STAMP_OFFSET 0x0c0000 /* pixelstamp space on STIC */
+#define PX_STIC_OFFSET 0x180000 /* STIC registers */
+#define PX_VDAC_OFFSET 0x200000 /* VDAC registers (bt459) */
+#define PX_VDAC_RESET_OFFSET 0x300000 /* VDAC reset register */
+#define PX_ROM_OFFSET 0x300000 /* ROM code */
+
+#define PX_BUF_SIZE (STIC_PACKET_SIZE*2 + STIC_IMGBUF_SIZE*2)
+#define PX_BUF_ALIGN 32768
+
+static void px_attach(struct device *, struct device *, void *);
+static void px_init(struct stic_info *, int);
+static int px_match(struct device *, struct cfdata *, void *);
+
+static int px_intr(void *);
+static u_int32_t *px_pbuf_get(struct stic_info *);
+static int px_pbuf_post(struct stic_info *, u_int32_t *);
+
+void px_cnattach(tc_addr_t);
+
+struct px_softc {
+ struct device px_dv;
+ struct stic_info *px_si;
+};
+
+struct cfattach px_ca = {
+ sizeof(struct px_softc), px_match, px_attach
+};
+
+static int
+px_match(struct device *parent, struct cfdata *match, void *aux)
+{
+ struct tc_attach_args *ta;
+
+ ta = aux;
+
+ return (strncmp("PMAG-CA ", ta->ta_modname, TC_ROM_LLEN) == 0);
+}
+
+static void
+px_attach(struct device *parent, struct device *self, void *aux)
+{
+ struct stic_info *si;
+ struct tc_attach_args *ta;
+ struct px_softc *px;
+ int console;
+
+ px = (struct px_softc *)self;
+ ta = (struct tc_attach_args *)aux;
+
+ if (ta->ta_addr == stic_consinfo.si_slotbase) {
+ si = &stic_consinfo;
+ console = 1;
+ } else {
+ if (stic_consinfo.si_slotbase == NULL)
+ si = &stic_consinfo;
+ else {
+ si = malloc(sizeof(*si), M_DEVBUF, M_NOWAIT);
+ memset(si, 0, sizeof(*si));
+ }
+ si->si_slotbase = ta->ta_addr;
+ px_init(si, 0);
+ console = 0;
+ }
+
+ px->px_si = si;
+ tc_intr_establish(parent, ta->ta_cookie, IPL_TTY, px_intr, si);
+
+ printf(": 2DA, 8 plane, %dx%d stamp\n", si->si_stampw, si->si_stamph);
+
+ stic_attach(self, si, console);
+}
+
+void
+px_cnattach(tc_addr_t addr)
+{
+ struct stic_info *si;
+
+ si = &stic_consinfo;
+ si->si_slotbase = addr;
+ px_init(si, 1);
+ stic_cnattach(si);
+}
+
+static void
+px_init(struct stic_info *si, int bootstrap)
+{
+ struct pglist pglist;
+ caddr_t kva;
+ paddr_t bpa;
+
+ /*
+ * Allocate memory for the packet buffers. It must be located below
+ * 8MB, since the STIC can't access outside that region. Also, due
+ * to the holes in STIC address space, each buffer mustn't cross a
+ * 32kB boundary.
+ */
+ if (bootstrap) {
+ /*
+ * UVM won't be initalised at this point, so grab memory
+ * directly from vm_physmem[].
+ */
+ kva = (caddr_t)pmap_steal_memory(PX_BUF_SIZE + PX_BUF_ALIGN,
+ NULL, NULL);
+ bpa = (STIC_KSEG_TO_PHYS(kva) + PX_BUF_ALIGN - 1) &
+ ~(PX_BUF_ALIGN - 1);
+ if (bpa + PX_BUF_SIZE > 8192*1024)
+ panic("px_init: allocation out of bounds");
+ } else {
+ TAILQ_INIT(&pglist);
+ if (uvm_pglistalloc(PX_BUF_SIZE, 0, 8192*1024, PX_BUF_ALIGN,
+ PX_BUF_ALIGN, &pglist, 1, 0) != 0)
+ panic("px_init: allocation failure");
+ bpa = TAILQ_FIRST(&pglist)->phys_addr;
+ }
+
+ kva = (caddr_t)TC_PHYS_TO_UNCACHED(si->si_slotbase);
+
+ si->si_slotkva = (u_int32_t *)kva;
+ si->si_vdac = (u_int32_t *)(kva + PX_VDAC_OFFSET);
+ si->si_vdac_reset = (u_int32_t *)(kva + PX_VDAC_RESET_OFFSET);
+ si->si_stic = (volatile struct stic_regs *)(kva + PX_STIC_OFFSET);
+ si->si_stamp = (u_int32_t *)(kva + PX_STAMP_OFFSET);
+ si->si_buf = (u_int32_t *)TC_PHYS_TO_UNCACHED(bpa);
+ si->si_buf_phys = bpa;
+ si->si_buf_size = PX_BUF_SIZE;
+ si->si_disptype = WSDISPLAY_TYPE_PX;
+ si->si_depth = 8;
+
+ si->si_pbuf_get = px_pbuf_get;
+ si->si_pbuf_post = px_pbuf_post;
+
+ memset(si->si_buf, 0, PX_BUF_SIZE);
+
+ stic_init(si);
+}
+
+static int
+px_intr(void *cookie)
+{
+ volatile struct stic_regs *sr;
+ struct stic_info *si;
+ int state;
+
+ si = cookie;
+ sr = si->si_stic;
+ state = sr->sr_ipdvint;
+
+ if ((state & STIC_INT_V) != 0) {
+ sr->sr_ipdvint =
+ STIC_INT_V_WE | (sr->sr_ipdvint & STIC_INT_V_EN);
+ tc_wmb();
+ stic_flush(si);
+ }
+
+ if ((state & STIC_INT_P) != 0) {
+ sr->sr_ipdvint =
+ STIC_INT_P_WE | (sr->sr_ipdvint & STIC_INT_P_EN);
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