* Gareth Hughes <gareth@valinux.com>
*/
-#include <linux/config.h>
#include "drmP.h"
#include "drm.h"
#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,
+ .dev_priv_size = sizeof(drm_mga_buf_priv_t),
+ .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,
.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)
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;
+}