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Diffstat (limited to 'include/uapi/drm/omap_drm.h')
| -rw-r--r-- | include/uapi/drm/omap_drm.h | 126 |
1 files changed, 126 insertions, 0 deletions
diff --git a/include/uapi/drm/omap_drm.h b/include/uapi/drm/omap_drm.h new file mode 100644 index 000000000..5a142fad4 --- /dev/null +++ b/include/uapi/drm/omap_drm.h @@ -0,0 +1,126 @@ +/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ +/* + * include/uapi/drm/omap_drm.h + * + * Copyright (C) 2011 Texas Instruments + * Author: Rob Clark <rob@ti.com> + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License version 2 as published by + * the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for + * more details. + * + * You should have received a copy of the GNU General Public License along with + * this program. If not, see <http://www.gnu.org/licenses/>. + */ + +#ifndef __OMAP_DRM_H__ +#define __OMAP_DRM_H__ + +#include "drm.h" + +#if defined(__cplusplus) +extern "C" { +#endif + +/* Please note that modifications to all structs defined here are + * subject to backwards-compatibility constraints. + */ + +#define OMAP_PARAM_CHIPSET_ID 1 /* ie. 0x3430, 0x4430, etc */ + +struct drm_omap_param { + __u64 param; /* in */ + __u64 value; /* in (set_param), out (get_param) */ +}; + +/* Scanout buffer, consumable by DSS */ +#define OMAP_BO_SCANOUT 0x00000001 + +/* Buffer CPU caching mode: cached, write-combining or uncached. */ +#define OMAP_BO_CACHED 0x00000000 +#define OMAP_BO_WC 0x00000002 +#define OMAP_BO_UNCACHED 0x00000004 +#define OMAP_BO_CACHE_MASK 0x00000006 + +/* Use TILER for the buffer. The TILER container unit can be 8, 16 or 32 bits. */ +#define OMAP_BO_TILED_8 0x00000100 +#define OMAP_BO_TILED_16 0x00000200 +#define OMAP_BO_TILED_32 0x00000300 +#define OMAP_BO_TILED_MASK 0x00000f00 + +union omap_gem_size { + __u32 bytes; /* (for non-tiled formats) */ + struct { + __u16 width; + __u16 height; + } tiled; /* (for tiled formats) */ +}; + +struct drm_omap_gem_new { + union omap_gem_size size; /* in */ + __u32 flags; /* in */ + __u32 handle; /* out */ + __u32 __pad; +}; + +/* mask of operations: */ +enum omap_gem_op { + OMAP_GEM_READ = 0x01, + OMAP_GEM_WRITE = 0x02, +}; + +struct drm_omap_gem_cpu_prep { + __u32 handle; /* buffer handle (in) */ + __u32 op; /* mask of omap_gem_op (in) */ +}; + +struct drm_omap_gem_cpu_fini { + __u32 handle; /* buffer handle (in) */ + __u32 op; /* mask of omap_gem_op (in) */ + /* TODO maybe here we pass down info about what regions are touched + * by sw so we can be clever about cache ops? For now a placeholder, + * set to zero and we just do full buffer flush.. + */ + __u32 nregions; + __u32 __pad; +}; + +struct drm_omap_gem_info { + __u32 handle; /* buffer handle (in) */ + __u32 pad; + __u64 offset; /* mmap offset (out) */ + /* note: in case of tiled buffers, the user virtual size can be + * different from the physical size (ie. how many pages are needed + * to back the object) which is returned in DRM_IOCTL_GEM_OPEN.. + * This size here is the one that should be used if you want to + * mmap() the buffer: + */ + __u32 size; /* virtual size for mmap'ing (out) */ + __u32 __pad; +}; + +#define DRM_OMAP_GET_PARAM 0x00 +#define DRM_OMAP_SET_PARAM 0x01 +#define DRM_OMAP_GEM_NEW 0x03 +#define DRM_OMAP_GEM_CPU_PREP 0x04 /* Deprecated, to be removed */ +#define DRM_OMAP_GEM_CPU_FINI 0x05 /* Deprecated, to be removed */ +#define DRM_OMAP_GEM_INFO 0x06 +#define DRM_OMAP_NUM_IOCTLS 0x07 + +#define DRM_IOCTL_OMAP_GET_PARAM DRM_IOWR(DRM_COMMAND_BASE + DRM_OMAP_GET_PARAM, struct drm_omap_param) +#define DRM_IOCTL_OMAP_SET_PARAM DRM_IOW (DRM_COMMAND_BASE + DRM_OMAP_SET_PARAM, struct drm_omap_param) +#define DRM_IOCTL_OMAP_GEM_NEW DRM_IOWR(DRM_COMMAND_BASE + DRM_OMAP_GEM_NEW, struct drm_omap_gem_new) +#define DRM_IOCTL_OMAP_GEM_CPU_PREP DRM_IOW (DRM_COMMAND_BASE + DRM_OMAP_GEM_CPU_PREP, struct drm_omap_gem_cpu_prep) +#define DRM_IOCTL_OMAP_GEM_CPU_FINI DRM_IOW (DRM_COMMAND_BASE + DRM_OMAP_GEM_CPU_FINI, struct drm_omap_gem_cpu_fini) +#define DRM_IOCTL_OMAP_GEM_INFO DRM_IOWR(DRM_COMMAND_BASE + DRM_OMAP_GEM_INFO, struct drm_omap_gem_info) + +#if defined(__cplusplus) +} +#endif + +#endif /* __OMAP_DRM_H__ */ |