| Thierry Reding | aead40e | 2013-08-30 13:36:43 +0200 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2013, NVIDIA Corporation. All rights reserved. |
| 3 | * |
| 4 | * Permission is hereby granted, free of charge, to any person obtaining a |
| 5 | * copy of this software and associated documentation files (the "Software"), |
| 6 | * to deal in the Software without restriction, including without limitation |
| 7 | * the rights to use, copy, modify, merge, publish, distribute, sub license, |
| 8 | * and/or sell copies of the Software, and to permit persons to whom the |
| 9 | * Software is furnished to do so, subject to the following conditions: |
| 10 | * |
| 11 | * The above copyright notice and this permission notice (including the |
| 12 | * next paragraph) shall be included in all copies or substantial portions |
| 13 | * of the Software. |
| 14 | * |
| 15 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
| 16 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| 17 | * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL |
| 18 | * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
| 19 | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING |
| 20 | * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER |
| 21 | * DEALINGS IN THE SOFTWARE. |
| 22 | */ |
| 23 | |
| 24 | #ifndef __DRM_PANEL_H__ |
| 25 | #define __DRM_PANEL_H__ |
| 26 | |
| 27 | #include <linux/list.h> |
| 28 | |
| 29 | struct drm_connector; |
| 30 | struct drm_device; |
| 31 | struct drm_panel; |
| 32 | |
| 33 | struct drm_panel_funcs { |
| 34 | int (*disable)(struct drm_panel *panel); |
| 35 | int (*enable)(struct drm_panel *panel); |
| 36 | int (*get_modes)(struct drm_panel *panel); |
| 37 | }; |
| 38 | |
| 39 | struct drm_panel { |
| 40 | struct drm_device *drm; |
| 41 | struct drm_connector *connector; |
| 42 | struct device *dev; |
| 43 | |
| 44 | const struct drm_panel_funcs *funcs; |
| 45 | |
| 46 | struct list_head list; |
| 47 | }; |
| 48 | |
| 49 | static inline int drm_panel_disable(struct drm_panel *panel) |
| 50 | { |
| 51 | if (panel && panel->funcs && panel->funcs->disable) |
| 52 | return panel->funcs->disable(panel); |
| 53 | |
| 54 | return panel ? -ENOSYS : -EINVAL; |
| 55 | } |
| 56 | |
| 57 | static inline int drm_panel_enable(struct drm_panel *panel) |
| 58 | { |
| 59 | if (panel && panel->funcs && panel->funcs->enable) |
| 60 | return panel->funcs->enable(panel); |
| 61 | |
| 62 | return panel ? -ENOSYS : -EINVAL; |
| 63 | } |
| 64 | |
| 65 | void drm_panel_init(struct drm_panel *panel); |
| 66 | |
| 67 | int drm_panel_add(struct drm_panel *panel); |
| 68 | void drm_panel_remove(struct drm_panel *panel); |
| 69 | |
| 70 | int drm_panel_attach(struct drm_panel *panel, struct drm_connector *connector); |
| 71 | int drm_panel_detach(struct drm_panel *panel); |
| 72 | |
| 73 | #ifdef CONFIG_OF |
| 74 | struct drm_panel *of_drm_find_panel(struct device_node *np); |
| 75 | #else |
| 76 | static inline struct drm_panel *of_drm_find_panel(struct device_node *np) |
| 77 | { |
| 78 | return NULL; |
| 79 | } |
| 80 | #endif |
| 81 | |
| 82 | #endif |