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#define MIXER_WIN_NR		3
30#define MIXER_DEFAULT_WIN	0
31
32/*
33 * exynos hdmi common context structure.
34 *
35 * @drm_dev: pointer to drm_device.
36 * @ctx: pointer to the context of specific device driver.
37 *	this context should be hdmi_context or mixer_context.
38 */
39struct exynos_drm_hdmi_context {
40	struct drm_device	*drm_dev;
41	void			*ctx;
42};
43
44struct exynos_hdmi_ops {
45	/* display */
46	bool (*is_connected)(void *ctx);
47	int (*get_edid)(void *ctx, struct drm_connector *connector,
48			u8 *edid, int len);
49	int (*check_timing)(void *ctx, void *timing);
50	int (*power_on)(void *ctx, int mode);
51
52	/* manager */
53	void (*mode_fixup)(void *ctx, struct drm_connector *connector,
54				struct drm_display_mode *mode,
55				struct drm_display_mode *adjusted_mode);
56	void (*mode_set)(void *ctx, void *mode);
57	void (*get_max_resol)(void *ctx, unsigned int *width,
58				unsigned int *height);
59	void (*commit)(void *ctx);
60	void (*dpms)(void *ctx, int mode);
61};
62
63struct exynos_mixer_ops {
64	/* manager */
65	int (*enable_vblank)(void *ctx, int pipe);
66	void (*disable_vblank)(void *ctx);
67	void (*dpms)(void *ctx, int mode);
68
69	/* overlay */
70	void (*win_mode_set)(void *ctx, struct exynos_drm_overlay *overlay);
71	void (*win_commit)(void *ctx, int zpos);
72	void (*win_disable)(void *ctx, int zpos);
73};
74
75void exynos_hdmi_ops_register(struct exynos_hdmi_ops *ops);
76void exynos_mixer_ops_register(struct exynos_mixer_ops *ops);
77#endif