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 34 struct omap_drm_usergart; 35 struct omap_fbdev; 36 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; 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 51 struct 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 58 struct 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 }; 104 105 106 void omap_debugfs_init(struct drm_minor *minor); 107 108 struct omap_global_state * __must_check omap_get_global_state(struct drm_atomic_state *s); 109 110 struct omap_global_state *omap_get_existing_global_state(struct omap_drm_private *priv); 111 112 #endif /* __OMAPDRM_DRV_H__ */ 113