/* exynos_drm.h * * Copyright (c) 2011 Samsung Electronics Co., Ltd. * Authors: * Inki Dae * Joonyoung Shim * Seung-Woo Kim * * 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 (including the next * paragraph) 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 * VA LINUX SYSTEMS AND/OR ITS SUPPLIERS 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. */ #ifndef _UAPI_EXYNOS_DRM_H_ #define _UAPI_EXYNOS_DRM_H_ #include /** * User-desired buffer creation information structure. * * @size: user-desired memory allocation size. * - this size value would be page-aligned internally. * @flags: user request for setting memory type or cache attributes. * @handle: returned a handle to created gem object. * - this handle will be set by gem module of kernel side. */ struct drm_exynos_gem_create { uint64_t size; unsigned int flags; unsigned int handle; }; /** * A structure for getting buffer offset. * * @handle: a pointer to gem object created. * @pad: just padding to be 64-bit aligned. * @offset: relatived offset value of the memory region allocated. * - this value should be set by user. */ struct drm_exynos_gem_map_off { unsigned int handle; unsigned int pad; uint64_t offset; }; /** * A structure for mapping buffer. * * @handle: a handle to gem object created. * @pad: just padding to be 64-bit aligned. * @size: memory size to be mapped. * @mapped: having user virtual address mmaped. * - this variable would be filled by exynos gem module * of kernel side with user virtual address which is allocated * by do_mmap(). */ struct drm_exynos_gem_mmap { unsigned int handle; unsigned int pad; uint64_t size; uint64_t mapped; }; /** * A structure to gem information. * * @handle: a handle to gem object created. * @flags: flag value including memory type and cache attribute and * this value would be set by driver. * @size: size to memory region allocated by gem and this size would * be set by driver. */ struct drm_exynos_gem_info { unsigned int handle; unsigned int flags; uint64_t size; }; /** * A structure for user connection request of virtual display. * * @connection: indicate whether doing connetion or not by user. * @extensions: if this value is 1 then the vidi driver would need additional * 128bytes edid data. * @edid: the edid data pointer from user side. */ struct drm_exynos_vidi_connection { unsigned int connection; unsigned int extensions; uint64_t edid; }; /* memory type definitions. */ enum e_drm_exynos_gem_mem_type { /* Physically Continuous memory and used as default. */ EXYNOS_BO_CONTIG = 0 << 0, /* Physically Non-Continuous memory. */ EXYNOS_BO_NONCONTIG = 1 << 0, /* non-cachable mapping and used as default. */ EXYNOS_BO_NONCACHABLE = 0 << 1, /* cachable mapping. */ EXYNOS_BO_CACHABLE = 1 << 1, /* write-combine mapping. */ EXYNOS_BO_WC = 1 << 2, EXYNOS_BO_MASK = EXYNOS_BO_NONCONTIG | EXYNOS_BO_CACHABLE | EXYNOS_BO_WC }; struct drm_exynos_g2d_get_ver { __u32 major; __u32 minor; }; struct drm_exynos_g2d_cmd { __u32 offset; __u32 data; }; enum drm_exynos_g2d_event_type { G2D_EVENT_NOT, G2D_EVENT_NONSTOP, G2D_EVENT_STOP, /* not yet */ }; struct drm_exynos_g2d_set_cmdlist { __u64 cmd; __u64 cmd_gem; __u32 cmd_nr; __u32 cmd_gem_nr; /* for g2d event */ __u64 event_type; __u64 user_data; }; struct drm_exynos_g2d_exec { __u64 async; }; #define DRM_EXYNOS_GEM_CREATE 0x00 #define DRM_EXYNOS_GEM_MAP_OFFSET 0x01 #define DRM_EXYNOS_GEM_MMAP 0x02 /* Reserved 0x03 ~ 0x05 for exynos specific gem ioctl */ #define DRM_EXYNOS_GEM_GET 0x04 #define DRM_EXYNOS_VIDI_CONNECTION 0x07 /* G2D */ #define DRM_EXYNOS_G2D_GET_VER 0x20 #define DRM_EXYNOS_G2D_SET_CMDLIST 0x21 #define DRM_EXYNOS_G2D_EXEC 0x22 #define DRM_IOCTL_EXYNOS_GEM_CREATE DRM_IOWR(DRM_COMMAND_BASE + \ DRM_EXYNOS_GEM_CREATE, struct drm_exynos_gem_create) #define DRM_IOCTL_EXYNOS_GEM_MAP_OFFSET DRM_IOWR(DRM_COMMAND_BASE + \ DRM_EXYNOS_GEM_MAP_OFFSET, struct drm_exynos_gem_map_off) #define DRM_IOCTL_EXYNOS_GEM_MMAP DRM_IOWR(DRM_COMMAND_BASE + \ DRM_EXYNOS_GEM_MMAP, struct drm_exynos_gem_mmap) #define DRM_IOCTL_EXYNOS_GEM_GET DRM_IOWR(DRM_COMMAND_BASE + \ DRM_EXYNOS_GEM_GET, struct drm_exynos_gem_info) #define DRM_IOCTL_EXYNOS_VIDI_CONNECTION DRM_IOWR(DRM_COMMAND_BASE + \ DRM_EXYNOS_VIDI_CONNECTION, struct drm_exynos_vidi_connection) #define DRM_IOCTL_EXYNOS_G2D_GET_VER DRM_IOWR(DRM_COMMAND_BASE + \ DRM_EXYNOS_G2D_GET_VER, struct drm_exynos_g2d_get_ver) #define DRM_IOCTL_EXYNOS_G2D_SET_CMDLIST DRM_IOWR(DRM_COMMAND_BASE + \ DRM_EXYNOS_G2D_SET_CMDLIST, struct drm_exynos_g2d_set_cmdlist) #define DRM_IOCTL_EXYNOS_G2D_EXEC DRM_IOWR(DRM_COMMAND_BASE + \ DRM_EXYNOS_G2D_EXEC, struct drm_exynos_g2d_exec) /* EXYNOS specific events */ #define DRM_EXYNOS_G2D_EVENT 0x80000000 struct drm_exynos_g2d_event { struct drm_event base; __u64 user_data; __u32 tv_sec; __u32 tv_usec; __u32 cmdlist_no; __u32 reserved; }; #endif /* _UAPI_EXYNOS_DRM_H_ */