LXR linux/include/uapi/drm/exynos

   1/* SPDX-License-Identifier: GPL-2.0+ WITH Linux-syscall-note */
   2/* exynos_drm.h
   3 *
   4 * Copyright (c) 2011 Samsung Electronics Co., Ltd.
   5 * Authors:
   6 *      Inki Dae <inki.dae@samsung.com>
   7 *      Joonyoung Shim <jy0922.shim@samsung.com>
   8 *      Seung-Woo Kim <sw0312.kim@samsung.com>
   9 *
  10 * This program is free software; you can redistribute  it and/or modify it
  11 * under  the terms of  the GNU General  Public License as published by the
  12 * Free Software Foundation;  either version 2 of the  License, or (at your
  13 * option) any later version.
  14 */
  15
  16#ifndef _UAPI_EXYNOS_DRM_H_
  17#define _UAPI_EXYNOS_DRM_H_
  18
  19#include "drm.h"
  20
  21#if defined(__cplusplus)
  22extern "C" {
  23#endif
  24
  25/**
  26 * User-desired buffer creation information structure.
  27 *
  28 * @size: user-desired memory allocation size.
  29 *      - this size value would be page-aligned internally.
  30 * @flags: user request for setting memory type or cache attributes.
  31 * @handle: returned a handle to created gem object.
  32 *      - this handle will be set by gem module of kernel side.
  33 */
  34struct drm_exynos_gem_create {
  35        __u64 size;
  36        __u32 flags;
  37        __u32 handle;
  38};
  39
  40/**
  41 * A structure for getting a fake-offset that can be used with mmap.
  42 *
  43 * @handle: handle of gem object.
  44 * @reserved: just padding to be 64-bit aligned.
  45 * @offset: a fake-offset of gem object.
  46 */
  47struct drm_exynos_gem_map {
  48        __u32 handle;
  49        __u32 reserved;
  50        __u64 offset;
  51};
  52
  53/**
  54 * A structure to gem information.
  55 *
  56 * @handle: a handle to gem object created.
  57 * @flags: flag value including memory type and cache attribute and
  58 *      this value would be set by driver.
  59 * @size: size to memory region allocated by gem and this size would
  60 *      be set by driver.
  61 */
  62struct drm_exynos_gem_info {
  63        __u32 handle;
  64        __u32 flags;
  65        __u64 size;
  66};
  67
  68/**
  69 * A structure for user connection request of virtual display.
  70 *
  71 * @connection: indicate whether doing connetion or not by user.
  72 * @extensions: if this value is 1 then the vidi driver would need additional
  73 *      128bytes edid data.
  74 * @edid: the edid data pointer from user side.
  75 */
  76struct drm_exynos_vidi_connection {
  77        __u32 connection;
  78        __u32 extensions;
  79        __u64 edid;
  80};
  81
  82/* memory type definitions. */
  83enum e_drm_exynos_gem_mem_type {
  84        /* Physically Continuous memory and used as default. */
  85        EXYNOS_BO_CONTIG        = 0 << 0,
  86        /* Physically Non-Continuous memory. */
  87        EXYNOS_BO_NONCONTIG     = 1 << 0,
  88        /* non-cachable mapping and used as default. */
  89        EXYNOS_BO_NONCACHABLE   = 0 << 1,
  90        /* cachable mapping. */
  91        EXYNOS_BO_CACHABLE      = 1 << 1,
  92        /* write-combine mapping. */
  93        EXYNOS_BO_WC            = 1 << 2,
  94        EXYNOS_BO_MASK          = EXYNOS_BO_NONCONTIG | EXYNOS_BO_CACHABLE |
  95                                        EXYNOS_BO_WC
  96};
  97
  98struct drm_exynos_g2d_get_ver {
  99        __u32   major;
 100        __u32   minor;
 101};
 102
 103struct drm_exynos_g2d_cmd {
 104        __u32   offset;
 105        __u32   data;
 106};
 107
 108enum drm_exynos_g2d_buf_type {
 109        G2D_BUF_USERPTR = 1 << 31,
 110};
 111
 112enum drm_exynos_g2d_event_type {
 113        G2D_EVENT_NOT,
 114        G2D_EVENT_NONSTOP,
 115        G2D_EVENT_STOP,         /* not yet */
 116};
 117
 118struct drm_exynos_g2d_userptr {
 119        unsigned long userptr;
 120        unsigned long size;
 121};
 122
 123struct drm_exynos_g2d_set_cmdlist {
 124        __u64                                   cmd;
 125        __u64                                   cmd_buf;
 126        __u32                                   cmd_nr;
 127        __u32                                   cmd_buf_nr;
 128
 129        /* for g2d event */
 130        __u64                                   event_type;
 131        __u64                                   user_data;
 132};
 133
 134struct drm_exynos_g2d_exec {
 135        __u64                                   async;
 136};
 137
 138#define DRM_EXYNOS_GEM_CREATE           0x00
 139#define DRM_EXYNOS_GEM_MAP              0x01
 140/* Reserved 0x03 ~ 0x05 for exynos specific gem ioctl */
 141#define DRM_EXYNOS_GEM_GET              0x04
 142#define DRM_EXYNOS_VIDI_CONNECTION      0x07
 143
 144/* G2D */
 145#define DRM_EXYNOS_G2D_GET_VER          0x20
 146#define DRM_EXYNOS_G2D_SET_CMDLIST      0x21
 147#define DRM_EXYNOS_G2D_EXEC             0x22
 148
 149/* Reserved 0x30 ~ 0x33 for obsolete Exynos IPP ioctls */
 150
 151#define DRM_IOCTL_EXYNOS_GEM_CREATE             DRM_IOWR(DRM_COMMAND_BASE + \
 152                DRM_EXYNOS_GEM_CREATE, struct drm_exynos_gem_create)
 153#define DRM_IOCTL_EXYNOS_GEM_MAP                DRM_IOWR(DRM_COMMAND_BASE + \
 154                DRM_EXYNOS_GEM_MAP, struct drm_exynos_gem_map)
 155#define DRM_IOCTL_EXYNOS_GEM_GET        DRM_IOWR(DRM_COMMAND_BASE + \
 156                DRM_EXYNOS_GEM_GET,     struct drm_exynos_gem_info)
 157
 158#define DRM_IOCTL_EXYNOS_VIDI_CONNECTION        DRM_IOWR(DRM_COMMAND_BASE + \
 159                DRM_EXYNOS_VIDI_CONNECTION, struct drm_exynos_vidi_connection)
 160
 161#define DRM_IOCTL_EXYNOS_G2D_GET_VER            DRM_IOWR(DRM_COMMAND_BASE + \
 162                DRM_EXYNOS_G2D_GET_VER, struct drm_exynos_g2d_get_ver)
 163#define DRM_IOCTL_EXYNOS_G2D_SET_CMDLIST        DRM_IOWR(DRM_COMMAND_BASE + \
 164                DRM_EXYNOS_G2D_SET_CMDLIST, struct drm_exynos_g2d_set_cmdlist)
 165#define DRM_IOCTL_EXYNOS_G2D_EXEC               DRM_IOWR(DRM_COMMAND_BASE + \
 166                DRM_EXYNOS_G2D_EXEC, struct drm_exynos_g2d_exec)
 167
 168/* EXYNOS specific events */
 169#define DRM_EXYNOS_G2D_EVENT            0x80000000
 170
 171struct drm_exynos_g2d_event {
 172        struct drm_event        base;
 173        __u64                   user_data;
 174        __u32                   tv_sec;
 175        __u32                   tv_usec;
 176        __u32                   cmdlist_no;
 177        __u32                   reserved;
 178};
 179
 180#if defined(__cplusplus)
 181}
 182#endif
 183
 184#endif /* _UAPI_EXYNOS_DRM_H_ */
 185