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;
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;
45 * Global private object state for tracking resources that are shared across
46 * multiple kms objects (planes/crtcs/etc).
48 #define to_omap_global_state(x) container_of(x, struct omap_global_state, base)
50 struct omap_global_state {
51 struct drm_private_state base;
53 /* global atomic state of assignment between overlays and planes */
54 struct drm_plane *hwoverlay_to_plane[8];
57 struct omap_drm_private {
58 struct drm_device *ddev;
62 struct dss_device *dss;
63 struct dispc_device *dispc;
67 unsigned int num_pipes;
68 struct omap_drm_pipeline pipes[8];
69 struct omap_drm_pipeline *channels[8];
71 unsigned int num_planes;
72 struct drm_plane *planes[8];
74 unsigned int num_ovls;
75 struct omap_hw_overlay *overlays[8];
77 struct drm_private_obj glob_obj;
79 struct workqueue_struct *wq;
81 /* lock for obj_list below */
82 struct mutex list_lock;
84 /* list of GEM objects: */
85 struct list_head obj_list;
87 struct omap_drm_usergart *usergart;
91 struct drm_property *zorder_prop;
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 */
98 /* memory bandwidth limit if it is needed on the platform */
99 unsigned int max_bandwidth;
103 void omap_debugfs_init(struct drm_minor *minor);
105 struct omap_global_state * __must_check omap_get_global_state(struct drm_atomic_state *s);
107 struct omap_global_state *omap_get_existing_global_state(struct omap_drm_private *priv);
109 #endif /* __OMAPDRM_DRV_H__ */