xref: /openbmc/linux/include/drm/bridge/analogix_dp.h (revision 6d99a79c)
1 /*
2  * Analogix DP (Display Port) Core interface driver.
3  *
4  * Copyright (C) 2015 Rockchip Electronics Co., Ltd.
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 #ifndef _ANALOGIX_DP_H_
12 #define _ANALOGIX_DP_H_
13 
14 #include <drm/drm_crtc.h>
15 
16 struct analogix_dp_device;
17 
18 enum analogix_dp_devtype {
19 	EXYNOS_DP,
20 	RK3288_DP,
21 	RK3399_EDP,
22 };
23 
24 static inline bool is_rockchip(enum analogix_dp_devtype type)
25 {
26 	return type == RK3288_DP || type == RK3399_EDP;
27 }
28 
29 struct analogix_dp_plat_data {
30 	enum analogix_dp_devtype dev_type;
31 	struct drm_panel *panel;
32 	struct drm_encoder *encoder;
33 	struct drm_connector *connector;
34 	bool skip_connector;
35 
36 	int (*power_on_start)(struct analogix_dp_plat_data *);
37 	int (*power_on_end)(struct analogix_dp_plat_data *);
38 	int (*power_off)(struct analogix_dp_plat_data *);
39 	int (*attach)(struct analogix_dp_plat_data *, struct drm_bridge *,
40 		      struct drm_connector *);
41 	int (*get_modes)(struct analogix_dp_plat_data *,
42 			 struct drm_connector *);
43 };
44 
45 int analogix_dp_psr_enabled(struct analogix_dp_device *dp);
46 int analogix_dp_enable_psr(struct analogix_dp_device *dp);
47 int analogix_dp_disable_psr(struct analogix_dp_device *dp);
48 
49 int analogix_dp_resume(struct analogix_dp_device *dp);
50 int analogix_dp_suspend(struct analogix_dp_device *dp);
51 
52 struct analogix_dp_device *
53 analogix_dp_bind(struct device *dev, struct drm_device *drm_dev,
54 		 struct analogix_dp_plat_data *plat_data);
55 void analogix_dp_unbind(struct analogix_dp_device *dp);
56 
57 int analogix_dp_start_crc(struct drm_connector *connector);
58 int analogix_dp_stop_crc(struct drm_connector *connector);
59 
60 #endif /* _ANALOGIX_DP_H_ */
61