#ifndef __DRM_LEGACY_H__ #define __DRM_LEGACY_H__ /* * Copyright (c) 2014 David Herrmann * * 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 #include struct agp_memory; struct drm_device; struct drm_file; /* * 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_VM) && 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_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); #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) {} #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 #endif /* __DRM_LEGACY_H__ */