1 /* SPDX-License-Identifier: GPL-2.0-or-later */
2 /*
3 * Analogix DP (Display Port) Core interface driver.
4 *
5 * Copyright (C) 2015 Rockchip Electronics Co., Ltd.
6 */
7 #ifndef _ANALOGIX_DP_H_
8 #define _ANALOGIX_DP_H_
9
10 #include <drm/drm_crtc.h>
11 #include <sound/hdmi-codec.h>
12
13 struct analogix_dp_device;
14
15 enum analogix_dp_devtype {
16 EXYNOS_DP,
17 RK3288_DP,
18 RK3399_EDP,
19 RK3568_EDP,
20 RK3588_EDP,
21 };
22
is_rockchip(enum analogix_dp_devtype type)23 static inline bool is_rockchip(enum analogix_dp_devtype type)
24 {
25 switch (type) {
26 case RK3288_DP:
27 case RK3399_EDP:
28 case RK3568_EDP:
29 case RK3588_EDP:
30 return true;
31 default:
32 return false;
33 }
34 }
35
36 struct analogix_dp_plat_data {
37 enum analogix_dp_devtype dev_type;
38 struct drm_panel *panel;
39 struct drm_bridge *bridge;
40 struct drm_encoder *encoder;
41 struct drm_connector *connector;
42 bool skip_connector;
43 bool ssc;
44
45 bool split_mode;
46
47 /* split with other display interface */
48 bool dual_connector_split;
49 bool left_display;
50
51 struct analogix_dp_device *left;
52 struct analogix_dp_device *right;
53
54 int (*power_on_start)(struct analogix_dp_plat_data *);
55 int (*power_on_end)(struct analogix_dp_plat_data *);
56 int (*power_off)(struct analogix_dp_plat_data *);
57 int (*attach)(struct analogix_dp_plat_data *, struct drm_bridge *,
58 struct drm_connector *);
59 void (*detach)(struct analogix_dp_plat_data *, struct drm_bridge *);
60 int (*get_modes)(struct analogix_dp_plat_data *,
61 struct drm_connector *);
62 void (*convert_to_split_mode)(struct drm_display_mode *);
63 void (*convert_to_origin_mode)(struct drm_display_mode *);
64 };
65
66 int analogix_dp_resume(struct analogix_dp_device *dp);
67 int analogix_dp_suspend(struct analogix_dp_device *dp);
68 int analogix_dp_runtime_resume(struct analogix_dp_device *dp);
69 int analogix_dp_runtime_suspend(struct analogix_dp_device *dp);
70
71 struct analogix_dp_device *
72 analogix_dp_probe(struct device *dev, struct analogix_dp_plat_data *plat_data);
73 int analogix_dp_bind(struct analogix_dp_device *dp, struct drm_device *drm_dev);
74 void analogix_dp_unbind(struct analogix_dp_device *dp);
75 void analogix_dp_remove(struct analogix_dp_device *dp);
76
77 int analogix_dp_start_crc(struct drm_connector *connector);
78 int analogix_dp_stop_crc(struct drm_connector *connector);
79
80 int analogix_dp_audio_hw_params(struct analogix_dp_device *dp,
81 struct hdmi_codec_daifmt *daifmt,
82 struct hdmi_codec_params *params);
83 void analogix_dp_audio_shutdown(struct analogix_dp_device *dp);
84 int analogix_dp_audio_startup(struct analogix_dp_device *dp);
85 int analogix_dp_audio_get_eld(struct analogix_dp_device *dp,
86 u8 *buf, size_t len);
87 int analogix_dp_loader_protect(struct analogix_dp_device *dp);
88 void analogix_dp_disable(struct analogix_dp_device *dp);
89
90 #endif /* _ANALOGIX_DP_H_ */
91