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[linux.git] / drivers / gpu / drm / omapdrm / omap_drv.h
1 /* SPDX-License-Identifier: GPL-2.0-only */
2 /*
3  * Copyright (C) 2011 Texas Instruments Incorporated - https://www.ti.com/
4  * Author: Rob Clark <[email protected]>
5  */
6
7 #ifndef __OMAPDRM_DRV_H__
8 #define __OMAPDRM_DRV_H__
9
10 #include <linux/module.h>
11 #include <linux/types.h>
12 #include <linux/workqueue.h>
13
14 #include "dss/omapdss.h"
15 #include "dss/dss.h"
16
17 #include <drm/drm_atomic.h>
18 #include <drm/drm_gem.h>
19 #include <drm/omap_drm.h>
20
21 #include "omap_crtc.h"
22 #include "omap_encoder.h"
23 #include "omap_fb.h"
24 #include "omap_fbdev.h"
25 #include "omap_gem.h"
26 #include "omap_irq.h"
27 #include "omap_plane.h"
28 #include "omap_overlay.h"
29
30 #define DBG(fmt, ...) DRM_DEBUG_DRIVER(fmt"\n", ##__VA_ARGS__)
31 #define VERB(fmt, ...) if (0) DRM_DEBUG_DRIVER(fmt, ##__VA_ARGS__) /* verbose debug */
32
33 #define MODULE_NAME     "omapdrm"
34
35 struct omap_drm_usergart;
36
37 struct omap_drm_pipeline {
38         struct drm_crtc *crtc;
39         struct drm_encoder *encoder;
40         struct drm_connector *connector;
41         struct omap_dss_device *output;
42         unsigned int alias_id;
43 };
44
45 /*
46  * Global private object state for tracking resources that are shared across
47  * multiple kms objects (planes/crtcs/etc).
48  */
49 #define to_omap_global_state(x) container_of(x, struct omap_global_state, base)
50
51 struct omap_global_state {
52         struct drm_private_state base;
53
54         /* global atomic state of assignment between overlays and planes */
55         struct drm_plane *hwoverlay_to_plane[8];
56 };
57
58 struct omap_drm_private {
59         struct drm_device *ddev;
60         struct device *dev;
61         u32 omaprev;
62
63         struct dss_device *dss;
64         struct dispc_device *dispc;
65
66         bool irq_enabled;
67
68         unsigned int num_pipes;
69         struct omap_drm_pipeline pipes[8];
70         struct omap_drm_pipeline *channels[8];
71
72         unsigned int num_planes;
73         struct drm_plane *planes[8];
74
75         unsigned int num_ovls;
76         struct omap_hw_overlay *overlays[8];
77
78         struct drm_private_obj glob_obj;
79
80         struct drm_fb_helper *fbdev;
81
82         struct workqueue_struct *wq;
83
84         /* lock for obj_list below */
85         struct mutex list_lock;
86
87         /* list of GEM objects: */
88         struct list_head obj_list;
89
90         struct omap_drm_usergart *usergart;
91         bool has_dmm;
92
93         /* properties: */
94         struct drm_property *zorder_prop;
95
96         /* irq handling: */
97         spinlock_t wait_lock;           /* protects the wait_list */
98         struct list_head wait_list;     /* list of omap_irq_wait */
99         u32 irq_mask;                   /* enabled irqs in addition to wait_list */
100
101         /* memory bandwidth limit if it is needed on the platform */
102         unsigned int max_bandwidth;
103 };
104
105
106 void omap_debugfs_init(struct drm_minor *minor);
107
108 struct omap_global_state * __must_check omap_get_global_state(struct drm_atomic_state *s);
109
110 struct omap_global_state *omap_get_existing_global_state(struct omap_drm_private *priv);
111
112 #endif /* __OMAPDRM_DRV_H__ */
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