]> Git Repo - linux.git/blob - drivers/gpu/drm/omapdrm/omap_drv.h
Merge tag 'apparmor-pr-2024-07-25' of git://git.kernel.org/pub/scm/linux/kernel/git...
[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_gem.h"
25 #include "omap_irq.h"
26 #include "omap_plane.h"
27 #include "omap_overlay.h"
28
29 #define DBG(fmt, ...) DRM_DEBUG_DRIVER(fmt"\n", ##__VA_ARGS__)
30 #define VERB(fmt, ...) if (0) DRM_DEBUG_DRIVER(fmt, ##__VA_ARGS__) /* verbose debug */
31
32 #define MODULE_NAME     "omapdrm"
33
34 struct omap_drm_usergart;
35
36 struct omap_drm_pipeline {
37         struct drm_crtc *crtc;
38         struct drm_encoder *encoder;
39         struct drm_connector *connector;
40         struct omap_dss_device *output;
41         unsigned int alias_id;
42 };
43
44 /*
45  * Global private object state for tracking resources that are shared across
46  * multiple kms objects (planes/crtcs/etc).
47  */
48 #define to_omap_global_state(x) container_of(x, struct omap_global_state, base)
49
50 struct omap_global_state {
51         struct drm_private_state base;
52
53         /* global atomic state of assignment between overlays and planes */
54         struct drm_plane *hwoverlay_to_plane[8];
55 };
56
57 struct omap_drm_private {
58         struct drm_device *ddev;
59         struct device *dev;
60         u32 omaprev;
61
62         struct dss_device *dss;
63         struct dispc_device *dispc;
64
65         bool irq_enabled;
66
67         unsigned int num_pipes;
68         struct omap_drm_pipeline pipes[8];
69         struct omap_drm_pipeline *channels[8];
70
71         unsigned int num_planes;
72         struct drm_plane *planes[8];
73
74         unsigned int num_ovls;
75         struct omap_hw_overlay *overlays[8];
76
77         struct drm_private_obj glob_obj;
78
79         struct workqueue_struct *wq;
80
81         /* lock for obj_list below */
82         struct mutex list_lock;
83
84         /* list of GEM objects: */
85         struct list_head obj_list;
86
87         struct omap_drm_usergart *usergart;
88         bool has_dmm;
89
90         /* properties: */
91         struct drm_property *zorder_prop;
92
93         /* irq handling: */
94         spinlock_t wait_lock;           /* protects the wait_list */
95         struct list_head wait_list;     /* list of omap_irq_wait */
96         u32 irq_mask;                   /* enabled irqs in addition to wait_list */
97
98         /* memory bandwidth limit if it is needed on the platform */
99         unsigned int max_bandwidth;
100 };
101
102
103 void omap_debugfs_init(struct drm_minor *minor);
104
105 struct omap_global_state * __must_check omap_get_global_state(struct drm_atomic_state *s);
106
107 struct omap_global_state *omap_get_existing_global_state(struct omap_drm_private *priv);
108
109 #endif /* __OMAPDRM_DRV_H__ */
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