1*4882a593Smuzhiyun /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ 2*4882a593Smuzhiyun /* 3*4882a593Smuzhiyun * include/uapi/drm/omap_drm.h 4*4882a593Smuzhiyun * 5*4882a593Smuzhiyun * Copyright (C) 2011 Texas Instruments 6*4882a593Smuzhiyun * Author: Rob Clark <rob@ti.com> 7*4882a593Smuzhiyun * 8*4882a593Smuzhiyun * This program is free software; you can redistribute it and/or modify it 9*4882a593Smuzhiyun * under the terms of the GNU General Public License version 2 as published by 10*4882a593Smuzhiyun * the Free Software Foundation. 11*4882a593Smuzhiyun * 12*4882a593Smuzhiyun * This program is distributed in the hope that it will be useful, but WITHOUT 13*4882a593Smuzhiyun * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 14*4882a593Smuzhiyun * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for 15*4882a593Smuzhiyun * more details. 16*4882a593Smuzhiyun * 17*4882a593Smuzhiyun * You should have received a copy of the GNU General Public License along with 18*4882a593Smuzhiyun * this program. If not, see <http://www.gnu.org/licenses/>. 19*4882a593Smuzhiyun */ 20*4882a593Smuzhiyun 21*4882a593Smuzhiyun #ifndef __OMAP_DRM_H__ 22*4882a593Smuzhiyun #define __OMAP_DRM_H__ 23*4882a593Smuzhiyun 24*4882a593Smuzhiyun #include "drm.h" 25*4882a593Smuzhiyun 26*4882a593Smuzhiyun #if defined(__cplusplus) 27*4882a593Smuzhiyun extern "C" { 28*4882a593Smuzhiyun #endif 29*4882a593Smuzhiyun 30*4882a593Smuzhiyun /* Please note that modifications to all structs defined here are 31*4882a593Smuzhiyun * subject to backwards-compatibility constraints. 32*4882a593Smuzhiyun */ 33*4882a593Smuzhiyun 34*4882a593Smuzhiyun #define OMAP_PARAM_CHIPSET_ID 1 /* ie. 0x3430, 0x4430, etc */ 35*4882a593Smuzhiyun 36*4882a593Smuzhiyun struct drm_omap_param { 37*4882a593Smuzhiyun __u64 param; /* in */ 38*4882a593Smuzhiyun __u64 value; /* in (set_param), out (get_param) */ 39*4882a593Smuzhiyun }; 40*4882a593Smuzhiyun 41*4882a593Smuzhiyun /* Scanout buffer, consumable by DSS */ 42*4882a593Smuzhiyun #define OMAP_BO_SCANOUT 0x00000001 43*4882a593Smuzhiyun 44*4882a593Smuzhiyun /* Buffer CPU caching mode: cached, write-combining or uncached. */ 45*4882a593Smuzhiyun #define OMAP_BO_CACHED 0x00000000 46*4882a593Smuzhiyun #define OMAP_BO_WC 0x00000002 47*4882a593Smuzhiyun #define OMAP_BO_UNCACHED 0x00000004 48*4882a593Smuzhiyun #define OMAP_BO_CACHE_MASK 0x00000006 49*4882a593Smuzhiyun 50*4882a593Smuzhiyun /* Use TILER for the buffer. The TILER container unit can be 8, 16 or 32 bits. */ 51*4882a593Smuzhiyun #define OMAP_BO_TILED_8 0x00000100 52*4882a593Smuzhiyun #define OMAP_BO_TILED_16 0x00000200 53*4882a593Smuzhiyun #define OMAP_BO_TILED_32 0x00000300 54*4882a593Smuzhiyun #define OMAP_BO_TILED_MASK 0x00000f00 55*4882a593Smuzhiyun 56*4882a593Smuzhiyun union omap_gem_size { 57*4882a593Smuzhiyun __u32 bytes; /* (for non-tiled formats) */ 58*4882a593Smuzhiyun struct { 59*4882a593Smuzhiyun __u16 width; 60*4882a593Smuzhiyun __u16 height; 61*4882a593Smuzhiyun } tiled; /* (for tiled formats) */ 62*4882a593Smuzhiyun }; 63*4882a593Smuzhiyun 64*4882a593Smuzhiyun struct drm_omap_gem_new { 65*4882a593Smuzhiyun union omap_gem_size size; /* in */ 66*4882a593Smuzhiyun __u32 flags; /* in */ 67*4882a593Smuzhiyun __u32 handle; /* out */ 68*4882a593Smuzhiyun __u32 __pad; 69*4882a593Smuzhiyun }; 70*4882a593Smuzhiyun 71*4882a593Smuzhiyun /* mask of operations: */ 72*4882a593Smuzhiyun enum omap_gem_op { 73*4882a593Smuzhiyun OMAP_GEM_READ = 0x01, 74*4882a593Smuzhiyun OMAP_GEM_WRITE = 0x02, 75*4882a593Smuzhiyun }; 76*4882a593Smuzhiyun 77*4882a593Smuzhiyun struct drm_omap_gem_cpu_prep { 78*4882a593Smuzhiyun __u32 handle; /* buffer handle (in) */ 79*4882a593Smuzhiyun __u32 op; /* mask of omap_gem_op (in) */ 80*4882a593Smuzhiyun }; 81*4882a593Smuzhiyun 82*4882a593Smuzhiyun struct drm_omap_gem_cpu_fini { 83*4882a593Smuzhiyun __u32 handle; /* buffer handle (in) */ 84*4882a593Smuzhiyun __u32 op; /* mask of omap_gem_op (in) */ 85*4882a593Smuzhiyun /* TODO maybe here we pass down info about what regions are touched 86*4882a593Smuzhiyun * by sw so we can be clever about cache ops? For now a placeholder, 87*4882a593Smuzhiyun * set to zero and we just do full buffer flush.. 88*4882a593Smuzhiyun */ 89*4882a593Smuzhiyun __u32 nregions; 90*4882a593Smuzhiyun __u32 __pad; 91*4882a593Smuzhiyun }; 92*4882a593Smuzhiyun 93*4882a593Smuzhiyun struct drm_omap_gem_info { 94*4882a593Smuzhiyun __u32 handle; /* buffer handle (in) */ 95*4882a593Smuzhiyun __u32 pad; 96*4882a593Smuzhiyun __u64 offset; /* mmap offset (out) */ 97*4882a593Smuzhiyun /* note: in case of tiled buffers, the user virtual size can be 98*4882a593Smuzhiyun * different from the physical size (ie. how many pages are needed 99*4882a593Smuzhiyun * to back the object) which is returned in DRM_IOCTL_GEM_OPEN.. 100*4882a593Smuzhiyun * This size here is the one that should be used if you want to 101*4882a593Smuzhiyun * mmap() the buffer: 102*4882a593Smuzhiyun */ 103*4882a593Smuzhiyun __u32 size; /* virtual size for mmap'ing (out) */ 104*4882a593Smuzhiyun __u32 __pad; 105*4882a593Smuzhiyun }; 106*4882a593Smuzhiyun 107*4882a593Smuzhiyun #define DRM_OMAP_GET_PARAM 0x00 108*4882a593Smuzhiyun #define DRM_OMAP_SET_PARAM 0x01 109*4882a593Smuzhiyun #define DRM_OMAP_GEM_NEW 0x03 110*4882a593Smuzhiyun #define DRM_OMAP_GEM_CPU_PREP 0x04 /* Deprecated, to be removed */ 111*4882a593Smuzhiyun #define DRM_OMAP_GEM_CPU_FINI 0x05 /* Deprecated, to be removed */ 112*4882a593Smuzhiyun #define DRM_OMAP_GEM_INFO 0x06 113*4882a593Smuzhiyun #define DRM_OMAP_NUM_IOCTLS 0x07 114*4882a593Smuzhiyun 115*4882a593Smuzhiyun #define DRM_IOCTL_OMAP_GET_PARAM DRM_IOWR(DRM_COMMAND_BASE + DRM_OMAP_GET_PARAM, struct drm_omap_param) 116*4882a593Smuzhiyun #define DRM_IOCTL_OMAP_SET_PARAM DRM_IOW (DRM_COMMAND_BASE + DRM_OMAP_SET_PARAM, struct drm_omap_param) 117*4882a593Smuzhiyun #define DRM_IOCTL_OMAP_GEM_NEW DRM_IOWR(DRM_COMMAND_BASE + DRM_OMAP_GEM_NEW, struct drm_omap_gem_new) 118*4882a593Smuzhiyun #define DRM_IOCTL_OMAP_GEM_CPU_PREP DRM_IOW (DRM_COMMAND_BASE + DRM_OMAP_GEM_CPU_PREP, struct drm_omap_gem_cpu_prep) 119*4882a593Smuzhiyun #define DRM_IOCTL_OMAP_GEM_CPU_FINI DRM_IOW (DRM_COMMAND_BASE + DRM_OMAP_GEM_CPU_FINI, struct drm_omap_gem_cpu_fini) 120*4882a593Smuzhiyun #define DRM_IOCTL_OMAP_GEM_INFO DRM_IOWR(DRM_COMMAND_BASE + DRM_OMAP_GEM_INFO, struct drm_omap_gem_info) 121*4882a593Smuzhiyun 122*4882a593Smuzhiyun #if defined(__cplusplus) 123*4882a593Smuzhiyun } 124*4882a593Smuzhiyun #endif 125*4882a593Smuzhiyun 126*4882a593Smuzhiyun #endif /* __OMAP_DRM_H__ */ 127