add VirtualBox DRM driver

sys/conf/files

@@ -1,4 +1,4 @@
-#	$NetBSD: files,v 1.1001 2011/02/19 20:19:54 matt Exp $
+#	$NetBSD: files,v 1.1002 2011/02/20 15:40:21 jmcneill Exp $
 #	@(#)files.newconf	7.5 (Berkeley) 5/10/93
 
 version 	20100430
@@ -1069,6 +1069,7 @@ file	dev/ic/lan9118.c		smsh
 # DRM - Direct Rendering Infrastructure: dev/drm
 define drm {}
 include "external/bsd/drm/conf/files.drm"
+include "dev/drm/files.drm"
 
 # Definitions for wscons
 # device attributes: display, display with emulator, keyboard, and mouse

sys/dev/drm/files.drm

@@ -0,0 +1,5 @@
+# $NetBSD: files.drm,v 1.9 2011/02/20 15:40:21 jmcneill Exp $
+
+device	vboxdrm: drmbase, drmpci
+attach	vboxdrm at drm
+file	dev/drm/vbox_drv.c			vboxdrm

sys/dev/drm/vbox_drv.c

@@ -0,0 +1,132 @@
+/* $NetBSD: vbox_drv.c,v 1.1 2011/02/20 15:40:21 jmcneill Exp $ */
+
+/*
+ * Copyright (c) 2011 Jared D. McNeill <jmcneill@invisible.ca>
+ * All rights reserved.
+ *
+ * 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. The name of the author may not be used to endorse or promote products
+ *    derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 AUTHOR 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.
+ */
+
+#include <sys/cdefs.h>
+__KERNEL_RCSID(0, "$NetBSD: vbox_drv.c,v 1.1 2011/02/20 15:40:21 jmcneill Exp $");
+
+#include "drmP.h"
+#include "drm.h"
+
+static drm_pci_id_list_t vboxdrm_pciidlist[] = {
+	{ 0x80ee, 0xbeef, 0, "VirtualBox Video" },
+	{ 0, 0, 0, NULL },
+};
+
+static int
+vboxdrm_driver_load(struct drm_device *dev, unsigned long flags)
+{
+	return drm_vblank_init(dev, 1);
+}
+
+static void
+vboxdrm_configure(struct drm_device *dev)
+{
+	dev->driver->buf_priv_size = 1;
+	dev->driver->load = vboxdrm_driver_load;
+	dev->driver->name = "vbox";
+	dev->driver->desc = "VirtualBox Video";
+	dev->driver->date = "20110130";
+	dev->driver->major = 1;
+	dev->driver->minor = 0;
+	dev->driver->patchlevel = 0;
+}
+
+static int
+vboxdrm_match(device_t parent, cfdata_t match, void *opaque)
+{
+	struct pci_attach_args *pa = opaque;
+
+	return drm_probe(pa, vboxdrm_pciidlist);
+}
+
+static void
+vboxdrm_attach(device_t parent, device_t self, void *opaque)
+{
+	struct pci_attach_args *pa = opaque;
+	struct drm_device *dev = device_private(self);
+
+	pmf_device_register(self, NULL, NULL);
+
+	dev->driver = kmem_zalloc(sizeof(struct drm_driver_info), KM_SLEEP);
+	if (dev->driver == NULL) {
+		aprint_error_dev(self, "couldn't allocate memory\n");
+		return;
+	}
+
+	vboxdrm_configure(dev);
+	drm_attach(self, pa, vboxdrm_pciidlist);
+}
+
+static int
+vboxdrm_detach(device_t self, int flags)
+{
+	struct drm_device *dev = device_private(self);
+	int error;
+
+	pmf_device_deregister(self);
+
+	error = drm_detach(self, flags);
+	kmem_free(dev->driver, sizeof(struct drm_driver_info));
+
+	return error;
+}
+
+CFATTACH_DECL_NEW(
+    vboxdrm,
+    sizeof(struct drm_device),
+    vboxdrm_match,
+    vboxdrm_attach,
+    vboxdrm_detach,
+    NULL
+);
+
+MODULE(MODULE_CLASS_DRIVER, vboxdrm, NULL);
+
+#ifdef _MODULE
+#include "ioconf.c"
+#endif
+
+static int
+vboxdrm_modcmd(modcmd_t cmd, void *opaque)
+{
+	switch (cmd) {
+#ifdef _MODULE
+	case MODULE_CMD_INIT:
+		return config_init_component(cfdriver_ioconf_vboxdrm,
+		    cfattach_ioconf_vboxdrm, cfdata_ioconf_vboxdrm);
+	case MODULE_CMD_FINI:
+		return config_fini_component(cfdriver_ioconf_vboxdrm,
+		    cfattach_ioconf_vboxdrm, cfdata_ioconf_vboxdrm);
+#else
+	case MODULE_CMD_INIT:
+	case MODULE_CMD_FINI:
+		return 0;
+#endif
+	default:
+		return ENOTTY;
+	}
+}

sys/modules/vboxdrm/Makefile

@@ -0,0 +1,16 @@
+#	$NetBSD: Makefile,v 1.1 2011/02/20 15:40:21 jmcneill Exp $
+
+.include "../Makefile.inc"
+
+.PATH:	${S}/dev/drm
+
+KMOD=	vboxdrm
+IOCONF=	vboxdrm.ioconf
+SRCS=	vbox_drv.c
+
+CPPFLAGS+= -I${S}/external/bsd/drm/dist/bsd-core
+CPPFLAGS+= -I${S}/external/bsd/drm/dist/shared-core
+
+WARNS=	4
+
+.include <bsd.kmodule.mk>

sys/modules/vboxdrm/vboxdrm.ioconf

@@ -0,0 +1,9 @@
+#	$NetBSD: vboxdrm.ioconf,v 1.1 2011/02/20 15:40:21 jmcneill Exp $
+
+ioconf vboxdrm
+
+include "conf/files"
+
+pseudo-root drm*
+
+vboxdrm* at drm?