From f9004dbfff8a3fbbd7e2a88c8a4327c7f2f8e5b2 Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Wed, 31 Jan 2024 01:04:47 +0000
Subject: [PATCH] add driver 5G
---
kernel/include/drm/drm_legacy.h | 64 +++++++++++++++++++++++---------
1 files changed, 46 insertions(+), 18 deletions(-)
diff --git a/kernel/include/drm/drm_legacy.h b/kernel/include/drm/drm_legacy.h
index 8fad66f..852d745 100644
--- a/kernel/include/drm/drm_legacy.h
+++ b/kernel/include/drm/drm_legacy.h
@@ -1,8 +1,5 @@
#ifndef __DRM_DRM_LEGACY_H__
#define __DRM_DRM_LEGACY_H__
-
-#include <drm/drm_auth.h>
-
/*
* Legacy driver interfaces for the Direct Rendering Manager
*
@@ -36,6 +33,14 @@
* OTHER DEALINGS IN THE SOFTWARE.
*/
+#include <drm/drm.h>
+#include <drm/drm_auth.h>
+#include <drm/drm_hashtab.h>
+
+struct drm_device;
+struct drm_driver;
+struct file;
+struct pci_driver;
/*
* Legacy Support for palateontologic DRM drivers
@@ -131,7 +136,7 @@
* Kernel side of a mapping
*/
struct drm_local_map {
- resource_size_t offset; /**< Requested physical address (0 for SAREA)*/
+ dma_addr_t offset; /**< Requested physical address (0 for SAREA)*/
unsigned long size; /**< Requested physical size (bytes) */
enum drm_map_type type; /**< Type of memory to map */
enum drm_map_flags flags; /**< Flags */
@@ -156,10 +161,9 @@
int drm_legacy_addmap(struct drm_device *d, resource_size_t offset,
unsigned int size, enum drm_map_type type,
enum drm_map_flags flags, struct drm_local_map **map_p);
+struct drm_local_map *drm_legacy_findmap(struct drm_device *dev, unsigned int token);
void drm_legacy_rmmap(struct drm_device *d, struct drm_local_map *map);
int drm_legacy_rmmap_locked(struct drm_device *d, struct drm_local_map *map);
-void drm_legacy_master_rmmaps(struct drm_device *dev,
- struct drm_master *master);
struct drm_local_map *drm_legacy_getsarea(struct drm_device *dev);
int drm_legacy_mmap(struct file *filp, struct vm_area_struct *vma);
@@ -186,22 +190,46 @@
void drm_legacy_idlelock_take(struct drm_lock_data *lock);
void drm_legacy_idlelock_release(struct drm_lock_data *lock);
-/* drm_pci.c dma alloc wrappers */
-void __drm_legacy_pci_free(struct drm_device *dev, drm_dma_handle_t * dmah);
+/* drm_pci.c */
+
+#ifdef CONFIG_PCI
+
+struct drm_dma_handle *drm_pci_alloc(struct drm_device *dev, size_t size,
+ size_t align);
+void drm_pci_free(struct drm_device *dev, struct drm_dma_handle *dmah);
+
+int drm_legacy_pci_init(struct drm_driver *driver, struct pci_driver *pdriver);
+void drm_legacy_pci_exit(struct drm_driver *driver, struct pci_driver *pdriver);
+
+#else
+
+static inline struct drm_dma_handle *drm_pci_alloc(struct drm_device *dev,
+ size_t size, size_t align)
+{
+ return NULL;
+}
+
+static inline void drm_pci_free(struct drm_device *dev,
+ struct drm_dma_handle *dmah)
+{
+}
+
+static inline int drm_legacy_pci_init(struct drm_driver *driver,
+ struct pci_driver *pdriver)
+{
+ return -EINVAL;
+}
+
+static inline void drm_legacy_pci_exit(struct drm_driver *driver,
+ struct pci_driver *pdriver)
+{
+}
+
+#endif
/* drm_memory.c */
void drm_legacy_ioremap(struct drm_local_map *map, struct drm_device *dev);
void drm_legacy_ioremap_wc(struct drm_local_map *map, struct drm_device *dev);
void drm_legacy_ioremapfree(struct drm_local_map *map, struct drm_device *dev);
-
-static inline struct drm_local_map *drm_legacy_findmap(struct drm_device *dev,
- unsigned int token)
-{
- struct drm_map_list *_entry;
- list_for_each_entry(_entry, &dev->maplist, head)
- if (_entry->user_token == token)
- return _entry->map;
- return NULL;
-}
#endif /* __DRM_DRM_LEGACY_H__ */
--
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