1 /* SPDX-License-Identifier: GPL-2.0-only */
3 * Copyright (C) 2011 Texas Instruments Incorporated - https://www.ti.com/
7 #ifndef __OMAPDRM_DRV_H__
8 #define __OMAPDRM_DRV_H__
10 #include <linux/module.h>
11 #include <linux/types.h>
12 #include <linux/workqueue.h>
14 #include "dss/omapdss.h"
17 #include <drm/drm_atomic.h>
18 #include <drm/drm_gem.h>
19 #include <drm/omap_drm.h>
21 #include "omap_crtc.h"
22 #include "omap_encoder.h"
26 #include "omap_plane.h"
27 #include "omap_overlay.h"
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 */
32 #define MODULE_NAME "omapdrm"
34 struct omap_drm_usergart;
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;
46 * Global private object state for tracking resources that are shared across
47 * multiple kms objects (planes/crtcs/etc).
49 #define to_omap_global_state(x) container_of(x, struct omap_global_state, base)
51 struct omap_global_state {
52 struct drm_private_state base;
54 /* global atomic state of assignment between overlays and planes */
55 struct drm_plane *hwoverlay_to_plane[8];
58 struct omap_drm_private {
59 struct drm_device *ddev;
63 struct dss_device *dss;
64 struct dispc_device *dispc;
68 unsigned int num_pipes;
69 struct omap_drm_pipeline pipes[8];
70 struct omap_drm_pipeline *channels[8];
72 unsigned int num_planes;
73 struct drm_plane *planes[8];
75 unsigned int num_ovls;
76 struct omap_hw_overlay *overlays[8];
78 struct drm_private_obj glob_obj;
80 struct workqueue_struct *wq;
82 /* lock for obj_list below */
83 struct mutex list_lock;
85 /* list of GEM objects: */
86 struct list_head obj_list;
88 struct omap_drm_usergart *usergart;
92 struct drm_property *zorder_prop;
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 */
99 /* memory bandwidth limit if it is needed on the platform */
100 unsigned int max_bandwidth;
102 struct omap_fbdev *fbdev;
106 void omap_debugfs_init(struct drm_minor *minor);
108 struct omap_global_state * __must_check omap_get_global_state(struct drm_atomic_state *s);
110 struct omap_global_state *omap_get_existing_global_state(struct omap_drm_private *priv);
112 #endif /* __OMAPDRM_DRV_H__ */