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4
5
6#ifndef TEGRA_HUB_H
7#define TEGRA_HUB_H 1
8
9#include <drm/drm_plane.h>
10
11#include "plane.h"
12
13struct tegra_dc;
14
15struct tegra_windowgroup {
16 unsigned int usecount;
17 struct mutex lock;
18
19 unsigned int index;
20 struct host1x_client *parent;
21 struct reset_control *rst;
22};
23
24struct tegra_shared_plane {
25 struct tegra_plane base;
26 struct tegra_windowgroup *wgrp;
27};
28
29static inline struct tegra_shared_plane *
30to_tegra_shared_plane(struct drm_plane *plane)
31{
32 return container_of(plane, struct tegra_shared_plane, base.base);
33}
34
35struct tegra_display_hub_soc {
36 unsigned int num_wgrps;
37 bool supports_dsc;
38};
39
40struct tegra_display_hub {
41 struct drm_private_obj base;
42 struct host1x_client client;
43 struct clk *clk_disp;
44 struct clk *clk_dsc;
45 struct clk *clk_hub;
46 struct reset_control *rst;
47
48 unsigned int num_heads;
49 struct clk **clk_heads;
50
51 const struct tegra_display_hub_soc *soc;
52 struct tegra_windowgroup *wgrps;
53};
54
55static inline struct tegra_display_hub *
56to_tegra_display_hub(struct host1x_client *client)
57{
58 return container_of(client, struct tegra_display_hub, client);
59}
60
61struct tegra_display_hub_state {
62 struct drm_private_state base;
63
64 struct tegra_dc *dc;
65 unsigned long rate;
66 struct clk *clk;
67};
68
69static inline struct tegra_display_hub_state *
70to_tegra_display_hub_state(struct drm_private_state *priv)
71{
72 return container_of(priv, struct tegra_display_hub_state, base);
73}
74
75struct tegra_dc;
76struct tegra_plane;
77
78int tegra_display_hub_prepare(struct tegra_display_hub *hub);
79void tegra_display_hub_cleanup(struct tegra_display_hub *hub);
80
81struct drm_plane *tegra_shared_plane_create(struct drm_device *drm,
82 struct tegra_dc *dc,
83 unsigned int wgrp,
84 unsigned int index);
85
86int tegra_display_hub_atomic_check(struct drm_device *drm,
87 struct drm_atomic_state *state);
88void tegra_display_hub_atomic_commit(struct drm_device *drm,
89 struct drm_atomic_state *state);
90
91#define DC_CMD_IHUB_COMMON_MISC_CTL 0x068
92#define LATENCY_EVENT (1 << 3)
93
94#define DC_DISP_IHUB_COMMON_DISPLAY_FETCH_METER 0x451
95#define CURS_SLOTS(x) (((x) & 0xff) << 8)
96#define WGRP_SLOTS(x) (((x) & 0xff) << 0)
97
98#endif
99
