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Diffstat (limited to 'drivers/gpu/drm/drm_legacy.h')
| -rw-r--r-- | drivers/gpu/drm/drm_legacy.h | 214 |
1 files changed, 214 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..1be3ea320 --- /dev/null +++ b/drivers/gpu/drm/drm_legacy.h @@ -0,0 +1,214 @@ +#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.h> +#include <drm/drm_device.h> +#include <drm/drm_legacy.h> + +struct agp_memory; +struct drm_device; +struct drm_file; +struct drm_buf_desc; + +/* + * 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); +int drm_legacy_setup(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) {} +static inline int drm_legacy_setup(struct drm_device * dev) { return 0; } +#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__ */ |