drivers/gpu/drm/exynos/exynos_drm_hdmi.h

   1 /* exynos_drm_hdmi.h
   2  *
   3  * Copyright (c) 2011 Samsung Electronics Co., Ltd.
   4  * Authoer: Inki Dae <inki.dae@samsung.com>
   5  *
   6  * Permission is hereby granted, free of charge, to any person obtaining a
   7  * copy of this software and associated documentation files (the "Software"),
   8  * to deal in the Software without restriction, including without limitation
   9  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
  10  * and/or sell copies of the Software, and to permit persons to whom the
  11  * Software is furnished to do so, subject to the following conditions:
  12  *
  13  * The above copyright notice and this permission notice (including the next
  14  * paragraph) shall be included in all copies or substantial portions of the
  15  * Software.
  16  *
  17  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  18  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  19  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  20  * VA LINUX SYSTEMS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
  21  * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
  22  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
  23  * OTHER DEALINGS IN THE SOFTWARE.
  24  */
  25
  26 #ifndef _EXYNOS_DRM_HDMI_H_
  27 #define _EXYNOS_DRM_HDMI_H_
  28
  29 /*
  30  * exynos hdmi common context structure.
  31  *
  32  * @drm_dev: pointer to drm_device.
  33  * @ctx: pointer to the context of specific device driver.
  34  *      this context should be hdmi_context or mixer_context.
  35  */
  36 struct exynos_drm_hdmi_context {
  37         struct drm_device       *drm_dev;
  38         void                    *ctx;
  39 };
  40
  41 struct exynos_hdmi_display_ops {
  42         bool (*is_connected)(void *ctx);
  43         int (*get_edid)(void *ctx, struct drm_connector *connector,
  44                         u8 *edid, int len);
  45         int (*check_timing)(void *ctx, void *timing);
  46         int (*power_on)(void *ctx, int mode);
  47 };
  48
  49 struct exynos_hdmi_manager_ops {
  50         void (*mode_set)(void *ctx, void *mode);
  51         void (*commit)(void *ctx);
  52         void (*disable)(void *ctx);
  53 };
  54
  55 struct exynos_hdmi_overlay_ops {
  56         int (*enable_vblank)(void *ctx, int pipe);
  57         void (*disable_vblank)(void *ctx);
  58         void (*win_mode_set)(void *ctx, struct exynos_drm_overlay *overlay);
  59         void (*win_commit)(void *ctx, int zpos);
  60         void (*win_disable)(void *ctx, int zpos);
  61 };
  62
  63 extern struct platform_driver hdmi_driver;
  64 extern struct platform_driver mixer_driver;
  65
  66 void exynos_drm_display_ops_register(struct exynos_hdmi_display_ops
  67                                         *display_ops);
  68 void exynos_drm_manager_ops_register(struct exynos_hdmi_manager_ops
  69                                         *manager_ops);
  70 void exynos_drm_overlay_ops_register(struct exynos_hdmi_overlay_ops
  71                                         *overlay_ops);
  72
  73 #endif