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;
35
36struct 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
50struct 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
57struct 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
103void omap_debugfs_init(struct drm_minor *minor);
104
105struct omap_global_state * __must_check omap_get_global_state(struct drm_atomic_state *s);
106
107struct omap_global_state *omap_get_existing_global_state(struct omap_drm_private *priv);
108
109#endif /* __OMAPDRM_DRV_H__ */
110