1 #ifndef __DRM_LEGACY_H__ 2 #define __DRM_LEGACY_H__ 3 4 /* 5 * Copyright (c) 2014 David Herrmann <dh.herrmann@gmail.com> 6 * 7 * Permission is hereby granted, free of charge, to any person obtaining a 8 * copy of this software and associated documentation files (the "Software"), 9 * to deal in the Software without restriction, including without limitation 10 * the rights to use, copy, modify, merge, publish, distribute, sublicense, 11 * and/or sell copies of the Software, and to permit persons to whom the 12 * Software is furnished to do so, subject to the following conditions: 13 * 14 * The above copyright notice and this permission notice shall be included in 15 * all copies or substantial portions of the Software. 16 * 17 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 18 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 19 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 20 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR 21 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, 22 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR 23 * OTHER DEALINGS IN THE SOFTWARE. 24 */ 25 26 /* 27 * This file contains legacy interfaces that modern drm drivers 28 * should no longer be using. They cannot be removed as legacy 29 * drivers use them, and removing them are API breaks. 30 */ 31 #include <linux/list.h> 32 #include <drm/drm_legacy.h> 33 34 struct agp_memory; 35 struct drm_device; 36 struct drm_file; 37 38 /* 39 * Generic DRM Contexts 40 */ 41 42 #define DRM_KERNEL_CONTEXT 0 43 #define DRM_RESERVED_CONTEXTS 1 44 45 void drm_legacy_ctxbitmap_init(struct drm_device *dev); 46 void drm_legacy_ctxbitmap_cleanup(struct drm_device *dev); 47 void drm_legacy_ctxbitmap_free(struct drm_device *dev, int ctx_handle); 48 void drm_legacy_ctxbitmap_flush(struct drm_device *dev, struct drm_file *file); 49 50 int drm_legacy_resctx(struct drm_device *d, void *v, struct drm_file *f); 51 int drm_legacy_addctx(struct drm_device *d, void *v, struct drm_file *f); 52 int drm_legacy_getctx(struct drm_device *d, void *v, struct drm_file *f); 53 int drm_legacy_switchctx(struct drm_device *d, void *v, struct drm_file *f); 54 int drm_legacy_newctx(struct drm_device *d, void *v, struct drm_file *f); 55 int drm_legacy_rmctx(struct drm_device *d, void *v, struct drm_file *f); 56 57 int drm_legacy_setsareactx(struct drm_device *d, void *v, struct drm_file *f); 58 int drm_legacy_getsareactx(struct drm_device *d, void *v, struct drm_file *f); 59 60 /* 61 * Generic Buffer Management 62 */ 63 64 #define DRM_MAP_HASH_OFFSET 0x10000000 65 66 int drm_legacy_getmap_ioctl(struct drm_device *dev, void *data, 67 struct drm_file *file_priv); 68 int drm_legacy_addmap_ioctl(struct drm_device *d, void *v, struct drm_file *f); 69 int drm_legacy_rmmap_ioctl(struct drm_device *d, void *v, struct drm_file *f); 70 int drm_legacy_addbufs(struct drm_device *d, void *v, struct drm_file *f); 71 int drm_legacy_infobufs(struct drm_device *d, void *v, struct drm_file *f); 72 int drm_legacy_markbufs(struct drm_device *d, void *v, struct drm_file *f); 73 int drm_legacy_freebufs(struct drm_device *d, void *v, struct drm_file *f); 74 int drm_legacy_mapbufs(struct drm_device *d, void *v, struct drm_file *f); 75 int drm_legacy_dma_ioctl(struct drm_device *d, void *v, struct drm_file *f); 76 77 int __drm_legacy_infobufs(struct drm_device *, void *, int *, 78 int (*)(void *, int, struct drm_buf_entry *)); 79 int __drm_legacy_mapbufs(struct drm_device *, void *, int *, 80 void __user **, 81 int (*)(void *, int, unsigned long, struct drm_buf *), 82 struct drm_file *); 83 84 #ifdef CONFIG_DRM_VM 85 void drm_legacy_vma_flush(struct drm_device *d); 86 #else 87 static inline void drm_legacy_vma_flush(struct drm_device *d) 88 { 89 /* do nothing */ 90 } 91 #endif 92 93 /* 94 * AGP Support 95 */ 96 97 struct drm_agp_mem { 98 unsigned long handle; 99 struct agp_memory *memory; 100 unsigned long bound; 101 int pages; 102 struct list_head head; 103 }; 104 105 /* drm_lock.c */ 106 int drm_legacy_lock(struct drm_device *d, void *v, struct drm_file *f); 107 int drm_legacy_unlock(struct drm_device *d, void *v, struct drm_file *f); 108 void drm_legacy_lock_release(struct drm_device *dev, struct file *filp); 109 110 /* DMA support */ 111 int drm_legacy_dma_setup(struct drm_device *dev); 112 void drm_legacy_dma_takedown(struct drm_device *dev); 113 void drm_legacy_free_buffer(struct drm_device *dev, 114 struct drm_buf * buf); 115 void drm_legacy_reclaim_buffers(struct drm_device *dev, 116 struct drm_file *filp); 117 118 /* Scatter Gather Support */ 119 void drm_legacy_sg_cleanup(struct drm_device *dev); 120 int drm_legacy_sg_alloc(struct drm_device *dev, void *data, 121 struct drm_file *file_priv); 122 int drm_legacy_sg_free(struct drm_device *dev, void *data, 123 struct drm_file *file_priv); 124 125 #endif /* __DRM_LEGACY_H__ */ 126