X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=drivers%2Fchar%2Fdrm%2Fmga_drv.c;fp=drivers%2Fchar%2Fdrm%2Fmga_drv.c;h=9f7ed0e0351b0c39cab6751c97df2b5694b5a872;hb=43bc926fffd92024b46cafaf7350d669ba9ca884;hp=22dab3e9d92a03bf8f1787cafffd0008080b82dc;hpb=cee37fe97739d85991964371c1f3a745c00dd236;p=linux-2.6.git

diff --git a/drivers/char/drm/mga_drv.c b/drivers/char/drm/mga_drv.c
index 22dab3e9d..9f7ed0e03 100644
--- a/drivers/char/drm/mga_drv.c
+++ b/drivers/char/drm/mga_drv.c
@@ -35,52 +35,24 @@
 #include "mga_drm.h"
 #include "mga_drv.h"
 
-  
 #include "drm_pciids.h"
 
-static int postinit( struct drm_device *dev, unsigned long flags )
-{
-	dev->counters += 3;
-	dev->types[6] = _DRM_STAT_IRQ;
-	dev->types[7] = _DRM_STAT_PRIMARY;
-	dev->types[8] = _DRM_STAT_SECONDARY;
-
-	DRM_INFO( "Initialized %s %d.%d.%d %s on minor %d: %s\n",
-		DRIVER_NAME,
-		DRIVER_MAJOR,
-		DRIVER_MINOR,
-		DRIVER_PATCHLEVEL,
-		DRIVER_DATE,
-		dev->primary.minor,
-		pci_pretty_name(dev->pdev)
-		);
-	return 0;
-}
-
-static int version( drm_version_t *version )
-{
-	int len;
-
-	version->version_major = DRIVER_MAJOR;
-	version->version_minor = DRIVER_MINOR;
-	version->version_patchlevel = DRIVER_PATCHLEVEL;
-	DRM_COPY( version->name, DRIVER_NAME );
-	DRM_COPY( version->date, DRIVER_DATE );
-	DRM_COPY( version->desc, DRIVER_DESC );
-	return 0;
-}
+static int mga_driver_device_is_agp(drm_device_t * dev);
 
 static struct pci_device_id pciidlist[] = {
 	mga_PCI_IDS
 };
 
-extern drm_ioctl_desc_t mga_ioctls[];
-extern int mga_max_ioctl;
-
 static struct drm_driver driver = {
-	.driver_features = DRIVER_USE_AGP | DRIVER_REQUIRE_AGP | DRIVER_USE_MTRR | DRIVER_HAVE_DMA | DRIVER_HAVE_IRQ | DRIVER_IRQ_SHARED | DRIVER_IRQ_VBL,
-	.pretakedown = mga_driver_pretakedown,
+	.driver_features =
+	    DRIVER_USE_AGP | DRIVER_USE_MTRR | DRIVER_PCI_DMA |
+	    DRIVER_HAVE_DMA | DRIVER_HAVE_IRQ | DRIVER_IRQ_SHARED |
+	    DRIVER_IRQ_VBL,
+	.load = mga_driver_load,
+	.unload = mga_driver_unload,
+	.lastclose = mga_driver_lastclose,
 	.dma_quiescent = mga_driver_dma_quiescent,
+	.device_is_agp = mga_driver_device_is_agp,
 	.vblank_wait = mga_driver_vblank_wait,
 	.irq_preinstall = mga_driver_irq_preinstall,
 	.irq_postinstall = mga_driver_irq_postinstall,
@@ -89,23 +61,31 @@ static struct drm_driver driver = {
 	.reclaim_buffers = drm_core_reclaim_buffers,
 	.get_map_ofs = drm_core_get_map_ofs,
 	.get_reg_ofs = drm_core_get_reg_ofs,
-	.postinit = postinit,
-	.version = version,
 	.ioctls = mga_ioctls,
 	.dma_ioctl = mga_dma_buffers,
 	.fops = {
-		.owner = THIS_MODULE,
-		.open = drm_open,
-		.release = drm_release,
-		.ioctl = drm_ioctl,
-		.mmap = drm_mmap,
-		.poll = drm_poll,
-		.fasync = drm_fasync,
-	},
+		 .owner = THIS_MODULE,
+		 .open = drm_open,
+		 .release = drm_release,
+		 .ioctl = drm_ioctl,
+		 .mmap = drm_mmap,
+		 .poll = drm_poll,
+		 .fasync = drm_fasync,
+#ifdef CONFIG_COMPAT
+		 .compat_ioctl = mga_compat_ioctl,
+#endif
+		 },
 	.pci_driver = {
-		.name = DRIVER_NAME,
-		.id_table = pciidlist,
-	}
+		 .name = DRIVER_NAME,
+		 .id_table = pciidlist,
+	},
+
+	.name = DRIVER_NAME,
+	.desc = DRIVER_DESC,
+	.date = DRIVER_DATE,
+	.major = DRIVER_MAJOR,
+	.minor = DRIVER_MINOR,
+	.patchlevel = DRIVER_PATCHLEVEL,
 };
 
 static int __init mga_init(void)
@@ -122,6 +102,40 @@ static void __exit mga_exit(void)
 module_init(mga_init);
 module_exit(mga_exit);
 
-MODULE_AUTHOR( DRIVER_AUTHOR );
-MODULE_DESCRIPTION( DRIVER_DESC );
+MODULE_AUTHOR(DRIVER_AUTHOR);
+MODULE_DESCRIPTION(DRIVER_DESC);
 MODULE_LICENSE("GPL and additional rights");
+
+/**
+ * Determine if the device really is AGP or not.
+ *
+ * In addition to the usual tests performed by \c drm_device_is_agp, this
+ * function detects PCI G450 cards that appear to the system exactly like
+ * AGP G450 cards.
+ *
+ * \param dev   The device to be tested.
+ *
+ * \returns
+ * If the device is a PCI G450, zero is returned.  Otherwise 2 is returned.
+ */
+static int mga_driver_device_is_agp(drm_device_t * dev)
+{
+	const struct pci_dev *const pdev = dev->pdev;
+
+	/* There are PCI versions of the G450.  These cards have the
+	 * same PCI ID as the AGP G450, but have an additional PCI-to-PCI
+	 * bridge chip.  We detect these cards, which are not currently
+	 * supported by this driver, by looking at the device ID of the
+	 * bus the "card" is on.  If vendor is 0x3388 (Hint Corp) and the
+	 * device is 0x0021 (HB6 Universal PCI-PCI bridge), we reject the
+	 * device.
+	 */
+
+	if ((pdev->device == 0x0525) && pdev->bus->self
+	    && (pdev->bus->self->vendor == 0x3388)
+	    && (pdev->bus->self->device == 0x0021)) {
+		return 0;
+	}
+
+	return 2;
+}