Adding upstream version 6.6.15.upstream/6.6.15

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 290 insertions, 0 deletions

diff --git a/drivers/gpu/drm/drm_legacy.h b/drivers/gpu/drm/drm_legacy.h
new file mode 100644
index 000000000..70c9dba11
--- /dev/null
+++ b/drivers/gpu/drm/drm_legacy.h
@@ -0,0 +1,290 @@
+#ifndef __DRM_LEGACY_H__
+#define __DRM_LEGACY_H__
+
+/*
+ * Copyright (c) 2014 David Herrmann <dh.herrmann@gmail.com>
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+/*
+ * This file contains legacy interfaces that modern drm drivers
+ * should no longer be using. They cannot be removed as legacy
+ * drivers use them, and removing them are API breaks.
+ */
+#include <linux/list.h>
+
+#include <drm/drm.h>
+#include <drm/drm_device.h>
+#include <drm/drm_legacy.h>
+
+struct agp_memory;
+struct drm_buf_desc;
+struct drm_device;
+struct drm_file;
+struct drm_hash_item;
+struct drm_open_hash;
+
+/*
+ * Hash-table Support
+ */
+
+#define drm_hash_entry(_ptr, _type, _member) container_of(_ptr, _type, _member)
+
+/* drm_hashtab.c */
+#if IS_ENABLED(CONFIG_DRM_LEGACY)
+int drm_ht_create(struct drm_open_hash *ht, unsigned int order);
+int drm_ht_insert_item(struct drm_open_hash *ht, struct drm_hash_item *item);
+int drm_ht_just_insert_please(struct drm_open_hash *ht, struct drm_hash_item *item,
+			      unsigned long seed, int bits, int shift,
+			      unsigned long add);
+int drm_ht_find_item(struct drm_open_hash *ht, unsigned long key, struct drm_hash_item **item);
+
+void drm_ht_verbose_list(struct drm_open_hash *ht, unsigned long key);
+int drm_ht_remove_key(struct drm_open_hash *ht, unsigned long key);
+int drm_ht_remove_item(struct drm_open_hash *ht, struct drm_hash_item *item);
+void drm_ht_remove(struct drm_open_hash *ht);
+#endif
+
+/*
+ * RCU-safe interface
+ *
+ * The user of this API needs to make sure that two or more instances of the
+ * hash table manipulation functions are never run simultaneously.
+ * The lookup function drm_ht_find_item_rcu may, however, run simultaneously
+ * with any of the manipulation functions as long as it's called from within
+ * an RCU read-locked section.
+ */
+#define drm_ht_insert_item_rcu drm_ht_insert_item
+#define drm_ht_just_insert_please_rcu drm_ht_just_insert_please
+#define drm_ht_remove_key_rcu drm_ht_remove_key
+#define drm_ht_remove_item_rcu drm_ht_remove_item
+#define drm_ht_find_item_rcu drm_ht_find_item
+
+/*
+ * Generic DRM Contexts
+ */
+
+#define DRM_KERNEL_CONTEXT		0
+#define DRM_RESERVED_CONTEXTS		1
+
+#if IS_ENABLED(CONFIG_DRM_LEGACY)
+void drm_legacy_ctxbitmap_init(struct drm_device *dev);
+void drm_legacy_ctxbitmap_cleanup(struct drm_device *dev);
+void drm_legacy_ctxbitmap_flush(struct drm_device *dev, struct drm_file *file);
+#else
+static inline void drm_legacy_ctxbitmap_init(struct drm_device *dev) {}
+static inline void drm_legacy_ctxbitmap_cleanup(struct drm_device *dev) {}
+static inline void drm_legacy_ctxbitmap_flush(struct drm_device *dev, struct drm_file *file) {}
+#endif
+
+void drm_legacy_ctxbitmap_free(struct drm_device *dev, int ctx_handle);
+
+#if IS_ENABLED(CONFIG_DRM_LEGACY)
+int drm_legacy_resctx(struct drm_device *d, void *v, struct drm_file *f);
+int drm_legacy_addctx(struct drm_device *d, void *v, struct drm_file *f);
+int drm_legacy_getctx(struct drm_device *d, void *v, struct drm_file *f);
+int drm_legacy_switchctx(struct drm_device *d, void *v, struct drm_file *f);
+int drm_legacy_newctx(struct drm_device *d, void *v, struct drm_file *f);
+int drm_legacy_rmctx(struct drm_device *d, void *v, struct drm_file *f);
+
+int drm_legacy_setsareactx(struct drm_device *d, void *v, struct drm_file *f);
+int drm_legacy_getsareactx(struct drm_device *d, void *v, struct drm_file *f);
+#endif
+
+/*
+ * Generic Buffer Management
+ */
+
+#define DRM_MAP_HASH_OFFSET 0x10000000
+
+#if IS_ENABLED(CONFIG_DRM_LEGACY)
+static inline int drm_legacy_create_map_hash(struct drm_device *dev)
+{
+	return drm_ht_create(&dev->map_hash, 12);
+}
+
+static inline void drm_legacy_remove_map_hash(struct drm_device *dev)
+{
+	drm_ht_remove(&dev->map_hash);
+}
+#else
+static inline int drm_legacy_create_map_hash(struct drm_device *dev)
+{
+	return 0;
+}
+
+static inline void drm_legacy_remove_map_hash(struct drm_device *dev) {}
+#endif
+
+
+#if IS_ENABLED(CONFIG_DRM_LEGACY)
+int drm_legacy_getmap_ioctl(struct drm_device *dev, void *data,
+			    struct drm_file *file_priv);
+int drm_legacy_addmap_ioctl(struct drm_device *d, void *v, struct drm_file *f);
+int drm_legacy_rmmap_ioctl(struct drm_device *d, void *v, struct drm_file *f);
+
+int drm_legacy_addbufs(struct drm_device *d, void *v, struct drm_file *f);
+int drm_legacy_infobufs(struct drm_device *d, void *v, struct drm_file *f);
+int drm_legacy_markbufs(struct drm_device *d, void *v, struct drm_file *f);
+int drm_legacy_freebufs(struct drm_device *d, void *v, struct drm_file *f);
+int drm_legacy_mapbufs(struct drm_device *d, void *v, struct drm_file *f);
+int drm_legacy_dma_ioctl(struct drm_device *d, void *v, struct drm_file *f);
+#endif
+
+int __drm_legacy_infobufs(struct drm_device *, void *, int *,
+			  int (*)(void *, int, struct drm_buf_entry *));
+int __drm_legacy_mapbufs(struct drm_device *, void *, int *,
+			  void __user **,
+			  int (*)(void *, int, unsigned long, struct drm_buf *),
+			  struct drm_file *);
+
+#if IS_ENABLED(CONFIG_DRM_LEGACY)
+void drm_legacy_master_rmmaps(struct drm_device *dev,
+			      struct drm_master *master);
+void drm_legacy_rmmaps(struct drm_device *dev);
+#else
+static inline void drm_legacy_master_rmmaps(struct drm_device *dev,
+					    struct drm_master *master) {}
+static inline void drm_legacy_rmmaps(struct drm_device *dev) {}
+#endif
+
+#if IS_ENABLED(CONFIG_DRM_LEGACY)
+void drm_legacy_vma_flush(struct drm_device *d);
+#else
+static inline void drm_legacy_vma_flush(struct drm_device *d)
+{
+	/* do nothing */
+}
+#endif
+
+/*
+ * AGP Support
+ */
+
+struct drm_agp_mem {
+	unsigned long handle;
+	struct agp_memory *memory;
+	unsigned long bound;
+	int pages;
+	struct list_head head;
+};
+
+/* drm_agpsupport.c */
+#if IS_ENABLED(CONFIG_DRM_LEGACY) && IS_ENABLED(CONFIG_AGP)
+void drm_legacy_agp_clear(struct drm_device *dev);
+
+int drm_legacy_agp_acquire_ioctl(struct drm_device *dev, void *data,
+				 struct drm_file *file_priv);
+int drm_legacy_agp_release_ioctl(struct drm_device *dev, void *data,
+				 struct drm_file *file_priv);
+int drm_legacy_agp_enable_ioctl(struct drm_device *dev, void *data,
+				struct drm_file *file_priv);
+int drm_legacy_agp_info_ioctl(struct drm_device *dev, void *data,
+			      struct drm_file *file_priv);
+int drm_legacy_agp_alloc_ioctl(struct drm_device *dev, void *data,
+			       struct drm_file *file_priv);
+int drm_legacy_agp_free_ioctl(struct drm_device *dev, void *data,
+			      struct drm_file *file_priv);
+int drm_legacy_agp_unbind_ioctl(struct drm_device *dev, void *data,
+				struct drm_file *file_priv);
+int drm_legacy_agp_bind_ioctl(struct drm_device *dev, void *data,
+			      struct drm_file *file_priv);
+#else
+static inline void drm_legacy_agp_clear(struct drm_device *dev) {}
+#endif
+
+/* drm_lock.c */
+#if IS_ENABLED(CONFIG_DRM_LEGACY)
+int drm_legacy_lock(struct drm_device *d, void *v, struct drm_file *f);
+int drm_legacy_unlock(struct drm_device *d, void *v, struct drm_file *f);
+void drm_legacy_lock_release(struct drm_device *dev, struct file *filp);
+#else
+static inline void drm_legacy_lock_release(struct drm_device *dev, struct file *filp) {}
+#endif
+
+/* DMA support */
+#if IS_ENABLED(CONFIG_DRM_LEGACY)
+int drm_legacy_dma_setup(struct drm_device *dev);
+void drm_legacy_dma_takedown(struct drm_device *dev);
+#else
+static inline int drm_legacy_dma_setup(struct drm_device *dev)
+{
+	return 0;
+}
+#endif
+
+void drm_legacy_free_buffer(struct drm_device *dev,
+			    struct drm_buf * buf);
+#if IS_ENABLED(CONFIG_DRM_LEGACY)
+void drm_legacy_reclaim_buffers(struct drm_device *dev,
+				struct drm_file *filp);
+#else
+static inline void drm_legacy_reclaim_buffers(struct drm_device *dev,
+					      struct drm_file *filp) {}
+#endif
+
+/* Scatter Gather Support */
+#if IS_ENABLED(CONFIG_DRM_LEGACY)
+void drm_legacy_sg_cleanup(struct drm_device *dev);
+int drm_legacy_sg_alloc(struct drm_device *dev, void *data,
+			struct drm_file *file_priv);
+int drm_legacy_sg_free(struct drm_device *dev, void *data,
+		       struct drm_file *file_priv);
+#endif
+
+#if IS_ENABLED(CONFIG_DRM_LEGACY)
+void drm_legacy_init_members(struct drm_device *dev);
+void drm_legacy_destroy_members(struct drm_device *dev);
+void drm_legacy_dev_reinit(struct drm_device *dev);
+int drm_legacy_setup(struct drm_device * dev);
+#else
+static inline void drm_legacy_init_members(struct drm_device *dev) {}
+static inline void drm_legacy_destroy_members(struct drm_device *dev) {}
+static inline void drm_legacy_dev_reinit(struct drm_device *dev) {}
+static inline int drm_legacy_setup(struct drm_device * dev) { return 0; }
+#endif
+
+#if IS_ENABLED(CONFIG_DRM_LEGACY)
+void drm_legacy_lock_master_cleanup(struct drm_device *dev, struct drm_master *master);
+#else
+static inline void drm_legacy_lock_master_cleanup(struct drm_device *dev, struct drm_master *master) {}
+#endif
+
+#if IS_ENABLED(CONFIG_DRM_LEGACY)
+void drm_master_legacy_init(struct drm_master *master);
+#else
+static inline void drm_master_legacy_init(struct drm_master *master) {}
+#endif
+
+/* drm_pci.c */
+#if IS_ENABLED(CONFIG_DRM_LEGACY) && IS_ENABLED(CONFIG_PCI)
+int drm_legacy_irq_by_busid(struct drm_device *dev, void *data, struct drm_file *file_priv);
+void drm_legacy_pci_agp_destroy(struct drm_device *dev);
+#else
+static inline int drm_legacy_irq_by_busid(struct drm_device *dev, void *data,
+					  struct drm_file *file_priv)
+{
+	return -EINVAL;
+}
+
+static inline void drm_legacy_pci_agp_destroy(struct drm_device *dev) {}
+#endif
+
+#endif /* __DRM_LEGACY_H__ */