Port the VIA DRM to FreeBSD. Original patch by Jake, with some cleanup by

    me to match other drivers and avoid ifdeffing. The linux via_drv.c will
    be moved from shared-core to linux-core soon by repocopy.
Submitted by: Jake Burkholder <jake@FreeBSD.org> Tested by: unichrome

4 files changed, 156 insertions, 4 deletions

diff --git a/bsd-core/Makefile b/bsd-core/Makefile
index 33dcc2f5..57189e9a 100644
--- a/bsd-core/Makefile
+++ b/bsd-core/Makefile
@@ -41,8 +41,9 @@ SHAREDFILES=	drm.h \
 		sis_ds.h \
 		sis_mm.c \
 		tdfx_drv.h \
+		via_3d_reg.h \
+		via_dma.c \
 		via_drm.h \
-		via_drv.c \
 		via_drv.h \
 		via_ds.c \
 		via_ds.h \
@@ -50,10 +51,11 @@ SHAREDFILES=	drm.h \
 		via_map.c \
 		via_mm.c \
 		via_mm.h \
-		via_3d_reg.h \
-		via_dma.c
+		via_verifier.c \
+		via_verifier.h \
+		via_video.c
 
-SUBDIR = drm mach64 mga r128 radeon sis tdfx # i915
+SUBDIR = drm mach64 mga r128 radeon sis tdfx via # i915
 
 CLEANFILES+= ${SHAREDFILES}
 
diff --git a/bsd-core/via/.cvsignore b/bsd-core/via/.cvsignore
new file mode 100644
index 00000000..7a23987a
--- /dev/null
+++ b/bsd-core/via/.cvsignore
@@ -0,0 +1,8 @@
+.depend
+bus_if.h
+device_if.h
+export_syms
+opt_drm.h
+pci_if.h
+via.kld
+via.ko
diff --git a/bsd-core/via/Makefile b/bsd-core/via/Makefile
new file mode 100644
index 00000000..7aaa01df
--- /dev/null
+++ b/bsd-core/via/Makefile
@@ -0,0 +1,24 @@
+# $FreeBSD$
+
+.PATH:	${.CURDIR}/..
+KMOD	= via
+NO_MAN	= YES
+SRCS    = via_dma.c via_drv.c via_ds.c via_irq.c via_map.c via_mm.c \
+	via_verifier.c via_video.c
+SRCS   += device_if.h bus_if.h pci_if.h opt_drm.h
+CFLAGS += ${DEBUG_FLAGS} -I. -I..
+
+.if defined(DRM_DEBUG)
+DRM_DEBUG_OPT= "\#define DRM_DEBUG 1"
+.endif
+
+.if !defined(DRM_NOLINUX)
+DRM_LINUX_OPT= "\#define DRM_LINUX 1"
+.endif
+
+opt_drm.h:
+	touch opt_drm.h
+	echo $(DRM_DEBUG_OPT) >> opt_drm.h
+	echo $(DRM_LINUX_OPT) >> opt_drm.h
+
+.include <bsd.kmod.mk>
diff --git a/bsd-core/via_drv.c b/bsd-core/via_drv.c
new file mode 100644
index 00000000..c90af66d
--- /dev/null
+++ b/bsd-core/via_drv.c
@@ -0,0 +1,118 @@
+/* via_drv.c -- VIA unichrome driver -*- linux-c -*-
+ * Created: Fri Aug 12 2005 by anholt@FreeBSD.org
+ */
+/*-
+ * Copyright 2005 Eric Anholt
+ * All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the next
+ * paragraph) shall be included in all copies or substantial portions of the
+ * Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * ERIC ANHOLT BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
+ * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * Authors:
+ *    Eric Anholt <anholt@FreeBSD.org>
+ *
+ */
+
+#include "drmP.h"
+#include "drm.h"
+#include "via_drm.h"
+#include "via_drv.h"
+#include "drm_pciids.h"
+
+/* drv_PCI_IDs comes from drm_pciids.h, generated from drm_pciids.txt. */
+static drm_pci_id_list_t via_pciidlist[] = {
+	viadrv_PCI_IDS
+};
+
+extern drm_ioctl_desc_t via_ioctls[];
+extern int via_max_ioctl;
+
+static void via_configure(drm_device_t *dev)
+{
+	dev->driver.buf_priv_size	= 1;
+	dev->driver.load		= via_driver_load;
+	dev->driver.unload		= via_driver_unload;
+	dev->driver.context_ctor	= via_init_context;
+	dev->driver.context_dtor	= via_final_context;
+	dev->driver.vblank_wait		= via_driver_vblank_wait;
+	dev->driver.irq_preinstall	= via_driver_irq_preinstall;
+	dev->driver.irq_postinstall	= via_driver_irq_postinstall;
+	dev->driver.irq_uninstall	= via_driver_irq_uninstall;
+	dev->driver.irq_handler		= via_driver_irq_handler;
+	dev->driver.dma_quiescent	= via_driver_dma_quiescent;
+
+	dev->driver.ioctls		= via_ioctls;
+	dev->driver.max_ioctl		= via_max_ioctl;
+
+	dev->driver.name		= DRIVER_NAME;
+	dev->driver.desc		= DRIVER_DESC;
+	dev->driver.date		= DRIVER_DATE;
+	dev->driver.major		= DRIVER_MAJOR;
+	dev->driver.minor		= DRIVER_MINOR;
+	dev->driver.patchlevel		= DRIVER_PATCHLEVEL;
+
+	dev->driver.use_agp		= 1;
+	dev->driver.use_mtrr		= 1;
+	dev->driver.use_irq		= 1;
+	dev->driver.use_vbl_irq		= 1;
+}
+
+#ifdef __FreeBSD__
+static int
+via_probe(device_t dev)
+{
+	return drm_probe(dev, via_pciidlist);
+}
+
+static int
+via_attach(device_t nbdev)
+{
+	drm_device_t *dev = device_get_softc(nbdev);
+
+	bzero(dev, sizeof(drm_device_t));
+	via_configure(dev);
+	return drm_attach(nbdev, via_pciidlist);
+}
+
+static device_method_t via_methods[] = {
+	/* Device interface */
+	DEVMETHOD(device_probe,		via_probe),
+	DEVMETHOD(device_attach,	via_attach),
+	DEVMETHOD(device_detach,	drm_detach),
+
+	{ 0, 0 }
+};
+
+static driver_t via_driver = {
+	"drm",
+	via_methods,
+	sizeof(drm_device_t)
+};
+
+extern devclass_t drm_devclass;
+DRIVER_MODULE(via, pci, via_driver, drm_devclass, 0, 0);
+MODULE_DEPEND(via, drm, 1, 1, 1);
+
+#elif defined(__NetBSD__) || defined(__OpenBSD__)
+#ifdef _LKM
+CFDRIVER_DECL(via, DV_TTY, NULL);
+#else
+CFATTACH_DECL(via, sizeof(drm_device_t), drm_probe, drm_attach, drm_detach,
+    drm_activate);
+#endif
+#endif