xref: /linux/drivers/gpu/drm/nouveau/nv50_display.h (revision 26b0d14106954ae46d2f4f7eec3481828a210f7d)
1 /*
2  * Copyright (C) 2008 Maarten Maathuis.
3  * All Rights Reserved.
4  *
5  * Permission is hereby granted, free of charge, to any person obtaining
6  * a copy of this software and associated documentation files (the
7  * "Software"), to deal in the Software without restriction, including
8  * without limitation the rights to use, copy, modify, merge, publish,
9  * distribute, sublicense, and/or sell copies of the Software, and to
10  * permit persons to whom the Software is furnished to do so, subject to
11  * the following conditions:
12  *
13  * The above copyright notice and this permission notice (including the
14  * next paragraph) shall be included in all copies or substantial
15  * portions of the Software.
16  *
17  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
18  * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
19  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
20  * IN NO EVENT SHALL THE COPYRIGHT OWNER(S) AND/OR ITS SUPPLIERS BE
21  * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
22  * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
23  * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
24  *
25  */
26 
27 #ifndef __NV50_DISPLAY_H__
28 #define __NV50_DISPLAY_H__
29 
30 #include "drmP.h"
31 #include "drm.h"
32 #include "nouveau_drv.h"
33 #include "nouveau_dma.h"
34 #include "nouveau_reg.h"
35 #include "nouveau_crtc.h"
36 #include "nouveau_software.h"
37 #include "nv50_evo.h"
38 
39 struct nv50_display_crtc {
40 	struct nouveau_channel *sync;
41 	struct {
42 		struct nouveau_bo *bo;
43 		u32 offset;
44 		u16 value;
45 	} sem;
46 };
47 
48 struct nv50_display {
49 	struct nouveau_channel *master;
50 	struct nouveau_gpuobj *ntfy;
51 
52 	struct nv50_display_crtc crtc[2];
53 
54 	struct tasklet_struct tasklet;
55 	struct {
56 		struct dcb_entry *dcb;
57 		u16 script;
58 		u32 pclk;
59 	} irq;
60 };
61 
62 static inline struct nv50_display *
63 nv50_display(struct drm_device *dev)
64 {
65 	struct drm_nouveau_private *dev_priv = dev->dev_private;
66 	return dev_priv->engine.display.priv;
67 }
68 
69 int nv50_display_early_init(struct drm_device *dev);
70 void nv50_display_late_takedown(struct drm_device *dev);
71 int nv50_display_create(struct drm_device *dev);
72 int nv50_display_init(struct drm_device *dev);
73 void nv50_display_fini(struct drm_device *dev);
74 void nv50_display_destroy(struct drm_device *dev);
75 int nv50_crtc_blank(struct nouveau_crtc *, bool blank);
76 int nv50_crtc_set_clock(struct drm_device *, int head, int pclk);
77 
78 u32  nv50_display_active_crtcs(struct drm_device *);
79 
80 int  nv50_display_sync(struct drm_device *);
81 int  nv50_display_flip_next(struct drm_crtc *, struct drm_framebuffer *,
82 			    struct nouveau_channel *chan);
83 void nv50_display_flip_stop(struct drm_crtc *);
84 
85 int  nv50_evo_create(struct drm_device *dev);
86 void nv50_evo_destroy(struct drm_device *dev);
87 int  nv50_evo_init(struct drm_device *dev);
88 void nv50_evo_fini(struct drm_device *dev);
89 void nv50_evo_dmaobj_init(struct nouveau_gpuobj *, u32 memtype, u64 base,
90 			  u64 size);
91 int  nv50_evo_dmaobj_new(struct nouveau_channel *, u32 handle, u32 memtype,
92 			 u64 base, u64 size, struct nouveau_gpuobj **);
93 
94 #endif /* __NV50_DISPLAY_H__ */
95