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Diffstat (limited to 'drivers/gpu/drm/drm_legacy.h')
| -rw-r--r-- | drivers/gpu/drm/drm_legacy.h | 113 |
1 files changed, 113 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..c1dc61473 --- /dev/null +++ b/drivers/gpu/drm/drm_legacy.h @@ -0,0 +1,113 @@ +#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_legacy.h> + +struct agp_memory; +struct drm_device; +struct drm_file; + +/* + * Generic DRM Contexts + */ + +#define DRM_KERNEL_CONTEXT 0 +#define DRM_RESERVED_CONTEXTS 1 + +int drm_legacy_ctxbitmap_init(struct drm_device *dev); +void drm_legacy_ctxbitmap_cleanup(struct drm_device *dev); +void drm_legacy_ctxbitmap_free(struct drm_device *dev, int ctx_handle); +void drm_legacy_ctxbitmap_flush(struct drm_device *dev, struct drm_file *file); + +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); + +/* + * Generic Buffer Management + */ + +#define DRM_MAP_HASH_OFFSET 0x10000000 + +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); + +void drm_legacy_vma_flush(struct drm_device *d); + +/* + * AGP Support + */ + +struct drm_agp_mem { + unsigned long handle; + struct agp_memory *memory; + unsigned long bound; + int pages; + struct list_head head; +}; + +/* + * Generic Userspace Locking-API + */ + +int drm_legacy_i_have_hw_lock(struct drm_device *d, struct drm_file *f); +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); +int drm_legacy_lock_free(struct drm_lock_data *lock, unsigned int ctx); + +/* DMA support */ +int drm_legacy_dma_setup(struct drm_device *dev); +void drm_legacy_dma_takedown(struct drm_device *dev); +void drm_legacy_free_buffer(struct drm_device *dev, + struct drm_buf * buf); +void drm_legacy_reclaim_buffers(struct drm_device *dev, + struct drm_file *filp); + +/* Scatter Gather Support */ +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 /* __DRM_LEGACY_H__ */ |