LXR linux/include/drm/exynos

   1/* exynos_drm.h
   2 *
   3 * Copyright (c) 2011 Samsung Electronics Co., Ltd.
   4 * Authors:
   5 *      Inki Dae <inki.dae@samsung.com>
   6 *      Joonyoung Shim <jy0922.shim@samsung.com>
   7 *      Seung-Woo Kim <sw0312.kim@samsung.com>
   8 *
   9 * Permission is hereby granted, free of charge, to any person obtaining a
  10 * copy of this software and associated documentation files (the "Software"),
  11 * to deal in the Software without restriction, including without limitation
  12 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
  13 * and/or sell copies of the Software, and to permit persons to whom the
  14 * Software is furnished to do so, subject to the following conditions:
  15 *
  16 * The above copyright notice and this permission notice (including the next
  17 * paragraph) shall be included in all copies or substantial portions of the
  18 * Software.
  19 *
  20 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  21 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  22 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  23 * VA LINUX SYSTEMS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
  24 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
  25 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
  26 * OTHER DEALINGS IN THE SOFTWARE.
  27 */
  28
  29#ifndef _EXYNOS_DRM_H_
  30#define _EXYNOS_DRM_H_
  31
  32/**
  33 * User-desired buffer creation information structure.
  34 *
  35 * @size: user-desired memory allocation size.
  36 *      - this size value would be page-aligned internally.
  37 * @flags: user request for setting memory type or cache attributes.
  38 * @handle: returned a handle to created gem object.
  39 *      - this handle will be set by gem module of kernel side.
  40 */
  41struct drm_exynos_gem_create {
  42        uint64_t size;
  43        unsigned int flags;
  44        unsigned int handle;
  45};
  46
  47/**
  48 * A structure for getting buffer offset.
  49 *
  50 * @handle: a pointer to gem object created.
  51 * @pad: just padding to be 64-bit aligned.
  52 * @offset: relatived offset value of the memory region allocated.
  53 *      - this value should be set by user.
  54 */
  55struct drm_exynos_gem_map_off {
  56        unsigned int handle;
  57        unsigned int pad;
  58        uint64_t offset;
  59};
  60
  61/**
  62 * A structure for mapping buffer.
  63 *
  64 * @handle: a handle to gem object created.
  65 * @size: memory size to be mapped.
  66 * @mapped: having user virtual address mmaped.
  67 *      - this variable would be filled by exynos gem module
  68 *      of kernel side with user virtual address which is allocated
  69 *      by do_mmap().
  70 */
  71struct drm_exynos_gem_mmap {
  72        unsigned int handle;
  73        unsigned int size;
  74        uint64_t mapped;
  75};
  76
  77struct drm_exynos_plane_set_zpos {
  78        __u32 plane_id;
  79        __s32 zpos;
  80};
  81
  82#define DRM_EXYNOS_GEM_CREATE           0x00
  83#define DRM_EXYNOS_GEM_MAP_OFFSET       0x01
  84#define DRM_EXYNOS_GEM_MMAP             0x02
  85/* Reserved 0x03 ~ 0x05 for exynos specific gem ioctl */
  86#define DRM_EXYNOS_PLANE_SET_ZPOS       0x06
  87
  88#define DRM_IOCTL_EXYNOS_GEM_CREATE             DRM_IOWR(DRM_COMMAND_BASE + \
  89                DRM_EXYNOS_GEM_CREATE, struct drm_exynos_gem_create)
  90
  91#define DRM_IOCTL_EXYNOS_GEM_MAP_OFFSET DRM_IOWR(DRM_COMMAND_BASE + \
  92                DRM_EXYNOS_GEM_MAP_OFFSET, struct drm_exynos_gem_map_off)
  93
  94#define DRM_IOCTL_EXYNOS_GEM_MMAP       DRM_IOWR(DRM_COMMAND_BASE + \
  95                DRM_EXYNOS_GEM_MMAP, struct drm_exynos_gem_mmap)
  96
  97#define DRM_IOCTL_EXYNOS_PLANE_SET_ZPOS DRM_IOWR(DRM_COMMAND_BASE + \
  98                DRM_EXYNOS_PLANE_SET_ZPOS, struct drm_exynos_plane_set_zpos)
  99
 100#ifdef __KERNEL__
 101
 102/**
 103 * A structure for lcd panel information.
 104 *
 105 * @timing: default video mode for initializing
 106 * @width_mm: physical size of lcd width.
 107 * @height_mm: physical size of lcd height.
 108 */
 109struct exynos_drm_panel_info {
 110        struct fb_videomode timing;
 111        u32 width_mm;
 112        u32 height_mm;
 113};
 114
 115/**
 116 * Platform Specific Structure for DRM based FIMD.
 117 *
 118 * @panel: default panel info for initializing
 119 * @default_win: default window layer number to be used for UI.
 120 * @bpp: default bit per pixel.
 121 */
 122struct exynos_drm_fimd_pdata {
 123        struct exynos_drm_panel_info panel;
 124        u32                             vidcon0;
 125        u32                             vidcon1;
 126        unsigned int                    default_win;
 127        unsigned int                    bpp;
 128};
 129
 130/**
 131 * Platform Specific Structure for DRM based HDMI.
 132 *
 133 * @hdmi_dev: device point to specific hdmi driver.
 134 * @mixer_dev: device point to specific mixer driver.
 135 *
 136 * this structure is used for common hdmi driver and each device object
 137 * would be used to access specific device driver(hdmi or mixer driver)
 138 */
 139struct exynos_drm_common_hdmi_pd {
 140        struct device *hdmi_dev;
 141        struct device *mixer_dev;
 142};
 143
 144/**
 145 * Platform Specific Structure for DRM based HDMI core.
 146 *
 147 * @timing: default video mode for initializing
 148 * @default_win: default window layer number to be used for UI.
 149 * @bpp: default bit per pixel.
 150 */
 151struct exynos_drm_hdmi_pdata {
 152        struct fb_videomode             timing;
 153        unsigned int                    default_win;
 154        unsigned int                    bpp;
 155};
 156
 157#endif  /* __KERNEL__ */
 158#endif  /* _EXYNOS_DRM_H_ */
 159