1 /* $NetBSD: drm_legacy.h,v 1.2 2018/08/27 04:58:19 riastradh Exp $ */ 2 3 #ifndef __DRM_LEGACY_H__ 4 #define __DRM_LEGACY_H__ 5 6 /* 7 * Copyright (c) 2014 David Herrmann <dh.herrmann@gmail.com> 8 * 9 * Permission is hereby granted, free of charge, to any person obtaining a 10 * copy of this software and associated documentation files (the "Software"), 11 * to deal in the Software without restriction, including without limitation 12 * the rights to use, copy, modify, merge, publish, distribute, sublicense, 13 * and/or sell copies of the Software, and to permit persons to whom the 14 * Software is furnished to do so, subject to the following conditions: 15 * 16 * The above copyright notice and this permission notice shall be included in 17 * all copies or substantial portions of the Software. 18 * 19 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 20 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 21 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 22 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR 23 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, 24 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR 25 * OTHER DEALINGS IN THE SOFTWARE. 26 */ 27 28 /* 29 * This file contains legacy interfaces that modern drm drivers 30 * should no longer be using. They cannot be removed as legacy 31 * drivers use them, and removing them are API breaks. 32 */ 33 #include <linux/list.h> 34 #include <drm/drm_legacy.h> 35 36 struct agp_memory; 37 struct drm_device; 38 struct drm_file; 39 40 /* 41 * Generic DRM Contexts 42 */ 43 44 #define DRM_KERNEL_CONTEXT 0 45 #define DRM_RESERVED_CONTEXTS 1 46 47 void drm_legacy_ctxbitmap_init(struct drm_device *dev); 48 void drm_legacy_ctxbitmap_cleanup(struct drm_device *dev); 49 void drm_legacy_ctxbitmap_free(struct drm_device *dev, int ctx_handle); 50 void drm_legacy_ctxbitmap_flush(struct drm_device *dev, struct drm_file *file); 51 52 int drm_legacy_resctx(struct drm_device *d, void *v, struct drm_file *f); 53 int drm_legacy_addctx(struct drm_device *d, void *v, struct drm_file *f); 54 int drm_legacy_getctx(struct drm_device *d, void *v, struct drm_file *f); 55 int drm_legacy_switchctx(struct drm_device *d, void *v, struct drm_file *f); 56 int drm_legacy_newctx(struct drm_device *d, void *v, struct drm_file *f); 57 int drm_legacy_rmctx(struct drm_device *d, void *v, struct drm_file *f); 58 59 int drm_legacy_setsareactx(struct drm_device *d, void *v, struct drm_file *f); 60 int drm_legacy_getsareactx(struct drm_device *d, void *v, struct drm_file *f); 61 62 /* 63 * Generic Buffer Management 64 */ 65 66 #define DRM_MAP_HASH_OFFSET 0x10000000 67 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 void drm_legacy_vma_flush(struct drm_device *d); 78 79 /* 80 * AGP Support 81 */ 82 83 struct drm_agp_mem { 84 unsigned long handle; 85 struct agp_memory *memory; 86 unsigned long bound; 87 int pages; 88 struct list_head head; 89 }; 90 91 /* 92 * Generic Userspace Locking-API 93 */ 94 95 int drm_legacy_i_have_hw_lock(struct drm_device *d, struct drm_file *f); 96 int drm_legacy_lock(struct drm_device *d, void *v, struct drm_file *f); 97 int drm_legacy_unlock(struct drm_device *d, void *v, struct drm_file *f); 98 int drm_legacy_lock_free(struct drm_lock_data *lock, unsigned int ctx); 99 100 /* DMA support */ 101 int drm_legacy_dma_setup(struct drm_device *dev); 102 void drm_legacy_dma_takedown(struct drm_device *dev); 103 void drm_legacy_free_buffer(struct drm_device *dev, 104 struct drm_buf * buf); 105 void drm_legacy_reclaim_buffers(struct drm_device *dev, 106 struct drm_file *filp); 107 108 /* Scatter Gather Support */ 109 void drm_legacy_sg_cleanup(struct drm_device *dev); 110 int drm_legacy_sg_alloc(struct drm_device *dev, void *data, 111 struct drm_file *file_priv); 112 int drm_legacy_sg_free(struct drm_device *dev, void *data, 113 struct drm_file *file_priv); 114 115 #endif /* __DRM_LEGACY_H__ */ 116