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 34struct agp_memory; 35struct drm_device; 36struct drm_file; 37 38/* 39 * Generic DRM Contexts 40 */ 41 42#define DRM_KERNEL_CONTEXT 0 43#define DRM_RESERVED_CONTEXTS 1 44 45int drm_legacy_ctxbitmap_init(struct drm_device *dev); 46void drm_legacy_ctxbitmap_cleanup(struct drm_device *dev); 47void drm_legacy_ctxbitmap_free(struct drm_device *dev, int ctx_handle); 48void drm_legacy_ctxbitmap_flush(struct drm_device *dev, struct drm_file *file); 49 50int drm_legacy_resctx(struct drm_device *d, void *v, struct drm_file *f); 51int drm_legacy_addctx(struct drm_device *d, void *v, struct drm_file *f); 52int drm_legacy_getctx(struct drm_device *d, void *v, struct drm_file *f); 53int drm_legacy_switchctx(struct drm_device *d, void *v, struct drm_file *f); 54int drm_legacy_newctx(struct drm_device *d, void *v, struct drm_file *f); 55int drm_legacy_rmctx(struct drm_device *d, void *v, struct drm_file *f); 56 57int drm_legacy_setsareactx(struct drm_device *d, void *v, struct drm_file *f); 58int 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 66int drm_legacy_addmap_ioctl(struct drm_device *d, void *v, struct drm_file *f); 67int drm_legacy_rmmap_ioctl(struct drm_device *d, void *v, struct drm_file *f); 68int drm_legacy_addbufs(struct drm_device *d, void *v, struct drm_file *f); 69int drm_legacy_infobufs(struct drm_device *d, void *v, struct drm_file *f); 70int drm_legacy_markbufs(struct drm_device *d, void *v, struct drm_file *f); 71int drm_legacy_freebufs(struct drm_device *d, void *v, struct drm_file *f); 72int drm_legacy_mapbufs(struct drm_device *d, void *v, struct drm_file *f); 73int drm_legacy_dma_ioctl(struct drm_device *d, void *v, struct drm_file *f); 74 75void drm_legacy_vma_flush(struct drm_device *d); 76 77/* 78 * AGP Support 79 */ 80 81struct drm_agp_mem { 82 unsigned long handle; 83 struct agp_memory *memory; 84 unsigned long bound; 85 int pages; 86 struct list_head head; 87}; 88 89/* 90 * Generic Userspace Locking-API 91 */ 92 93int drm_legacy_i_have_hw_lock(struct drm_device *d, struct drm_file *f); 94int drm_legacy_lock(struct drm_device *d, void *v, struct drm_file *f); 95int drm_legacy_unlock(struct drm_device *d, void *v, struct drm_file *f); 96int drm_legacy_lock_free(struct drm_lock_data *lock, unsigned int ctx); 97 98/* DMA support */ 99int drm_legacy_dma_setup(struct drm_device *dev); 100void drm_legacy_dma_takedown(struct drm_device *dev); 101void drm_legacy_free_buffer(struct drm_device *dev, 102 struct drm_buf * buf); 103void drm_legacy_reclaim_buffers(struct drm_device *dev, 104 struct drm_file *filp); 105 106/* Scatter Gather Support */ 107void drm_legacy_sg_cleanup(struct drm_device *dev); 108int drm_legacy_sg_alloc(struct drm_device *dev, void *data, 109 struct drm_file *file_priv); 110int drm_legacy_sg_free(struct drm_device *dev, void *data, 111 struct drm_file *file_priv); 112 113#endif /* __DRM_LEGACY_H__ */ 114