include/uapi/drm/exynos_drm.h

   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)
  22 extern "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  */
  34 struct 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  */
  47 struct 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  */
  62 struct 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  */
  76 struct drm_exynos_vidi_connection {
  77         __u32 connection;
  78         __u32 extensions;
  79         __u64 edid;
  80 };
  81
  82 /* memory type definitions. */
  83 enum 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
  98 struct drm_exynos_g2d_get_ver {
  99         __u32   major;
 100         __u32   minor;
 101 };
 102
 103 struct drm_exynos_g2d_cmd {
 104         __u32   offset;
 105         __u32   data;
 106 };
 107
 108 enum drm_exynos_g2d_buf_type {
 109         G2D_BUF_USERPTR = 1 << 31,
 110 };
 111
 112 enum drm_exynos_g2d_event_type {
 113         G2D_EVENT_NOT,
 114         G2D_EVENT_NONSTOP,
 115         G2D_EVENT_STOP,         /* not yet */
 116 };
 117
 118 struct drm_exynos_g2d_userptr {
 119         unsigned long userptr;
 120         unsigned long size;
 121 };
 122
 123 struct 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
 134 struct 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
 171 struct 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_ */