1/* SPDX-License-Identifier: GPL-2.0-only */
2/*
3 * Copyright (C) 2011 Texas Instruments Incorporated - https://www.ti.com/
4 * Author: Rob Clark <rob@ti.com>
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
34struct omap_drm_usergart;
35struct omap_fbdev;
36
37struct 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
51struct 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
58struct 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 workqueue_struct *wq;
81
82 /* lock for obj_list below */
83 struct mutex list_lock;
84
85 /* list of GEM objects: */
86 struct list_head obj_list;
87
88 struct omap_drm_usergart *usergart;
89 bool has_dmm;
90
91 /* properties: */
92 struct drm_property *zorder_prop;
93
94 /* irq handling: */
95 spinlock_t wait_lock; /* protects the wait_list */
96 struct list_head wait_list; /* list of omap_irq_wait */
97 u32 irq_mask; /* enabled irqs in addition to wait_list */
98
99 /* memory bandwidth limit if it is needed on the platform */
100 unsigned int max_bandwidth;
101
102 struct omap_fbdev *fbdev;
103};
104
105
106void omap_debugfs_init(struct drm_minor *minor);
107
108struct omap_global_state * __must_check omap_get_global_state(struct drm_atomic_state *s);
109
110struct omap_global_state *omap_get_existing_global_state(struct omap_drm_private *priv);
111
112#endif /* __OMAPDRM_DRV_H__ */
113

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source code of linux/drivers/gpu/drm/omapdrm/omap_drv.h