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  * This program is free software; you can redistribute  it and/or modify it
   7  * under  the terms of  the GNU General  Public License as published by the
   8  * Free Software Foundation;  either version 2 of the  License, or (at your
   9  * option) any later version.
  10  */
  11
  12 #ifndef _EXYNOS_DRM_HDMI_H_
  13 #define _EXYNOS_DRM_HDMI_H_
  14
  15 #define MIXER_WIN_NR            3
  16 #define MIXER_DEFAULT_WIN       0
  17
  18 /*
  19  * exynos hdmi common context structure.
  20  *
  21  * @drm_dev: pointer to drm_device.
  22  * @ctx: pointer to the context of specific device driver.
  23  *      this context should be hdmi_context or mixer_context.
  24  */
  25 struct exynos_drm_hdmi_context {
  26         struct drm_device       *drm_dev;
  27         void                    *ctx;
  28 };
  29
  30 struct exynos_hdmi_ops {
  31         /* display */
  32         bool (*is_connected)(void *ctx);
  33         int (*get_edid)(void *ctx, struct drm_connector *connector,
  34                         u8 *edid, int len);
  35         int (*check_timing)(void *ctx, void *timing);
  36         int (*power_on)(void *ctx, int mode);
  37
  38         /* manager */
  39         void (*mode_fixup)(void *ctx, struct drm_connector *connector,
  40                                 const struct drm_display_mode *mode,
  41                                 struct drm_display_mode *adjusted_mode);
  42         void (*mode_set)(void *ctx, void *mode);
  43         void (*get_max_resol)(void *ctx, unsigned int *width,
  44                                 unsigned int *height);
  45         void (*commit)(void *ctx);
  46         void (*dpms)(void *ctx, int mode);
  47 };
  48
  49 struct exynos_mixer_ops {
  50         /* manager */
  51         int (*iommu_on)(void *ctx, bool enable);
  52         int (*enable_vblank)(void *ctx, int pipe);
  53         void (*disable_vblank)(void *ctx);
  54         void (*wait_for_vblank)(void *ctx);
  55         void (*dpms)(void *ctx, int mode);
  56
  57         /* overlay */
  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 void exynos_hdmi_drv_attach(struct exynos_drm_hdmi_context *ctx);
  64 void exynos_mixer_drv_attach(struct exynos_drm_hdmi_context *ctx);
  65 void exynos_hdmi_ops_register(struct exynos_hdmi_ops *ops);
  66 void exynos_mixer_ops_register(struct exynos_mixer_ops *ops);
  67 #endif