1 files changed, 67 insertions, 55 deletions

diff --git a/include/drm/drmP.h b/include/drm/drmP.h
index 348843b80150..ad5770f2315c 100644
--- a/include/drm/drmP.h
+++ b/include/drm/drmP.h
@@ -145,7 +145,10 @@ extern void drm_ut_debug_printk(unsigned int request_level,
 #define DRIVER_IRQ_VBL2    0x800
 #define DRIVER_GEM         0x1000
 #define DRIVER_MODESET     0x2000
-#define DRIVER_USE_PLATFORM_DEVICE  0x4000
+
+#define DRIVER_BUS_PCI 0x1
+#define DRIVER_BUS_PLATFORM 0x2
+#define DRIVER_BUS_USB 0x3
 
 /***********************************************************************/
 /** \name Begin the DRM... */
@@ -698,6 +701,19 @@ struct drm_master {
 #define DRM_SCANOUTPOS_INVBL        (1 << 1)
 #define DRM_SCANOUTPOS_ACCURATE     (1 << 2)
 
+struct drm_bus {
+        int bus_type;
+        int (*get_irq)(struct drm_device *dev);
+        const char *(*get_name)(struct drm_device *dev);
+        int (*set_busid)(struct drm_device *dev, struct drm_master *master);
+        int (*set_unique)(struct drm_device *dev, struct drm_master *master,
+                          struct drm_unique *unique);
+        int (*irq_by_busid)(struct drm_device *dev, struct drm_irq_busid *p);
+        /* hooks that are for PCI */
+        int (*agp_init)(struct drm_device *dev);
+
+};
+
 /**
  * DRM driver structure. This structure represent the common code for
  * a family of cards. There will one drm_device for each card present
@@ -880,6 +896,17 @@ struct drm_driver {
         /* vga arb irq handler */
         void (*vgaarb_irq)(struct drm_device *dev, bool state);
 
+        /* dumb alloc support */
+        int (*dumb_create)(struct drm_file *file_priv,
+                           struct drm_device *dev,
+                           struct drm_mode_create_dumb *args);
+        int (*dumb_map_offset)(struct drm_file *file_priv,
+                               struct drm_device *dev, uint32_t handle,
+                               uint64_t *offset);
+        int (*dumb_destroy)(struct drm_file *file_priv,
+                            struct drm_device *dev,
+                            uint32_t handle);
+
         /* Driver private ops for this object */
         struct vm_operations_struct *gem_vm_ops;
 
@@ -895,8 +922,13 @@ struct drm_driver {
         struct drm_ioctl_desc *ioctls;
         int num_ioctls;
         struct file_operations fops;
-        struct pci_driver pci_driver;
-        struct platform_device *platform_device;
+        union {
+                struct pci_driver *pci;
+                struct platform_device *platform_device;
+                struct usb_driver *usb;
+        } kdriver;
+        struct drm_bus *bus;
+
         /* List of devices hanging off this driver */
         struct list_head device_list;
 };
@@ -1099,6 +1131,7 @@ struct drm_device {
 #endif
 
         struct platform_device *platformdev; /**< Platform device struture */
+        struct usb_device *usbdev;
 
         struct drm_sg_mem *sg;  /**< Scatter gather memory */
         unsigned int num_crtcs;                  /**< Number of CRTCs on this device */
@@ -1136,28 +1169,9 @@ static __inline__ int drm_core_check_feature(struct drm_device *dev,
 
 static inline int drm_dev_to_irq(struct drm_device *dev)
 {
-        if (drm_core_check_feature(dev, DRIVER_USE_PLATFORM_DEVICE))
-                return platform_get_irq(dev->platformdev, 0);
-        else
-                return dev->pdev->irq;
+        return dev->driver->bus->get_irq(dev);
 }
 
-static inline int drm_get_pci_domain(struct drm_device *dev)
-{
-        if (drm_core_check_feature(dev, DRIVER_USE_PLATFORM_DEVICE))
-                return 0;
-
-#ifndef __alpha__
-        /* For historical reasons, drm_get_pci_domain() is busticated
-         * on most archs and has to remain so for userspace interface
-         * < 1.4, except on alpha which was right from the beginning
-         */
-        if (dev->if_version < 0x10004)
-                return 0;
-#endif /* __alpha__ */
-
-        return pci_domain_nr(dev->pdev->bus);
-}
 
 #if __OS_HAS_AGP
 static inline int drm_core_has_AGP(struct drm_device *dev)
@@ -1211,8 +1225,6 @@ static inline int drm_mtrr_del(int handle, unsigned long offset,
 /*@{*/
 
                                 /* Driver support (drm_drv.h) */
-extern int drm_init(struct drm_driver *driver);
-extern void drm_exit(struct drm_driver *driver);
 extern long drm_ioctl(struct file *filp,
                       unsigned int cmd, unsigned long arg);
 extern long drm_compat_ioctl(struct file *filp,
@@ -1264,6 +1276,8 @@ extern int drm_getclient(struct drm_device *dev, void *data,
                          struct drm_file *file_priv);
 extern int drm_getstats(struct drm_device *dev, void *data,
                         struct drm_file *file_priv);
+extern int drm_getcap(struct drm_device *dev, void *data,
+                      struct drm_file *file_priv);
 extern int drm_setversion(struct drm_device *dev, void *data,
                           struct drm_file *file_priv);
 extern int drm_noop(struct drm_device *dev, void *data,
@@ -1422,11 +1436,7 @@ extern int drm_dropmaster_ioctl(struct drm_device *dev, void *data,
 struct drm_master *drm_master_create(struct drm_minor *minor);
 extern struct drm_master *drm_master_get(struct drm_master *master);
 extern void drm_master_put(struct drm_master **master);
-extern int drm_get_pci_dev(struct pci_dev *pdev,
-                           const struct pci_device_id *ent,
-                           struct drm_driver *driver);
-extern int drm_get_platform_dev(struct platform_device *pdev,
-                                struct drm_driver *driver);
+
 extern void drm_put_dev(struct drm_device *dev);
 extern int drm_put_minor(struct drm_minor **minor);
 extern unsigned int drm_debug;
@@ -1544,6 +1554,7 @@ drm_gem_object_unreference_unlocked(struct drm_gem_object *obj)
 int drm_gem_handle_create(struct drm_file *file_priv,
                           struct drm_gem_object *obj,
                           u32 *handlep);
+int drm_gem_handle_delete(struct drm_file *filp, u32 handle);
 
 static inline void
 drm_gem_object_handle_reference(struct drm_gem_object *obj)
@@ -1616,11 +1627,21 @@ static __inline__ struct drm_local_map *drm_core_findmap(struct drm_device *dev,
         return NULL;
 }
 
-static __inline__ int drm_device_is_agp(struct drm_device *dev)
+static __inline__ void drm_core_dropmap(struct drm_local_map *map)
 {
-        if (drm_core_check_feature(dev, DRIVER_USE_PLATFORM_DEVICE))
-                return 0;
+}
 
+#include "drm_mem_util.h"
+
+extern int drm_fill_in_dev(struct drm_device *dev,
+                           const struct pci_device_id *ent,
+                           struct drm_driver *driver);
+int drm_get_minor(struct drm_device *dev, struct drm_minor **minor, int type);
+/*@}*/
+
+/* PCI section */
+static __inline__ int drm_pci_device_is_agp(struct drm_device *dev)
+{
         if (dev->driver->device_is_agp != NULL) {
                 int err = (*dev->driver->device_is_agp) (dev);
 
@@ -1632,35 +1653,26 @@ static __inline__ int drm_device_is_agp(struct drm_device *dev)
         return pci_find_capability(dev->pdev, PCI_CAP_ID_AGP);
 }
 
-static __inline__ int drm_device_is_pcie(struct drm_device *dev)
-{
-        if (drm_core_check_feature(dev, DRIVER_USE_PLATFORM_DEVICE))
-                return 0;
-        else
-                return pci_find_capability(dev->pdev, PCI_CAP_ID_EXP);
-}
 
-static __inline__ void drm_core_dropmap(struct drm_local_map *map)
+static __inline__ int drm_pci_device_is_pcie(struct drm_device *dev)
 {
+        return pci_find_capability(dev->pdev, PCI_CAP_ID_EXP);
 }
 
-#include "drm_mem_util.h"
-
-static inline void *drm_get_device(struct drm_device *dev)
-{
-        if (drm_core_check_feature(dev, DRIVER_USE_PLATFORM_DEVICE))
-                return dev->platformdev;
-        else
-                return dev->pdev;
-}
 
-extern int drm_platform_init(struct drm_driver *driver);
-extern int drm_pci_init(struct drm_driver *driver);
-extern int drm_fill_in_dev(struct drm_device *dev,
+extern int drm_pci_init(struct drm_driver *driver, struct pci_driver *pdriver);
+extern void drm_pci_exit(struct drm_driver *driver, struct pci_driver *pdriver);
+extern int drm_get_pci_dev(struct pci_dev *pdev,
                            const struct pci_device_id *ent,
                            struct drm_driver *driver);
-int drm_get_minor(struct drm_device *dev, struct drm_minor **minor, int type);
-/*@}*/
+
+
+/* platform section */
+extern int drm_platform_init(struct drm_driver *driver, struct platform_device *platform_device);
+extern void drm_platform_exit(struct drm_driver *driver, struct platform_device *platform_device);
+
+extern int drm_get_platform_dev(struct platform_device *pdev,
+                                struct drm_driver *driver);
 
 #endif                          /* __KERNEL__ */
 #endif