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 74