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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 | #include "drmP.h" | |
28 | #include "drm_mode.h" | |
29 | ||
30 | #define NOUVEAU_DMA_DEBUG (nouveau_reg_debug & NOUVEAU_REG_DEBUG_EVO) | |
31 | #include "nouveau_reg.h" | |
32 | #include "nouveau_drv.h" | |
33 | #include "nouveau_crtc.h" | |
34 | #include "nv50_display.h" | |
35 | ||
36 | static void | |
37 | nv50_cursor_show(struct nouveau_crtc *nv_crtc, bool update) | |
38 | { | |
6ee73861 | 39 | struct drm_device *dev = nv_crtc->base.dev; |
ef8389a8 | 40 | struct drm_nouveau_private *dev_priv = dev->dev_private; |
59c0f578 | 41 | struct nouveau_channel *evo = nv50_display(dev)->master; |
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42 | int ret; |
43 | ||
ef2bb506 | 44 | NV_DEBUG_KMS(dev, "\n"); |
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45 | |
46 | if (update && nv_crtc->cursor.visible) | |
47 | return; | |
48 | ||
49 | ret = RING_SPACE(evo, (dev_priv->chipset != 0x50 ? 5 : 3) + update * 2); | |
50 | if (ret) { | |
51 | NV_ERROR(dev, "no space while unhiding cursor\n"); | |
52 | return; | |
53 | } | |
54 | ||
55 | if (dev_priv->chipset != 0x50) { | |
6d597027 | 56 | BEGIN_NV04(evo, 0, NV84_EVO_CRTC(nv_crtc->index, CURSOR_DMA), 1); |
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57 | OUT_RING(evo, NvEvoVRAM); |
58 | } | |
6d597027 | 59 | BEGIN_NV04(evo, 0, NV50_EVO_CRTC(nv_crtc->index, CURSOR_CTRL), 2); |
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60 | OUT_RING(evo, NV50_EVO_CRTC_CURSOR_CTRL_SHOW); |
61 | OUT_RING(evo, nv_crtc->cursor.offset >> 8); | |
62 | ||
63 | if (update) { | |
6d597027 | 64 | BEGIN_NV04(evo, 0, NV50_EVO_UPDATE, 1); |
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65 | OUT_RING(evo, 0); |
66 | FIRE_RING(evo); | |
67 | nv_crtc->cursor.visible = true; | |
68 | } | |
69 | } | |
70 | ||
71 | static void | |
72 | nv50_cursor_hide(struct nouveau_crtc *nv_crtc, bool update) | |
73 | { | |
6ee73861 | 74 | struct drm_device *dev = nv_crtc->base.dev; |
ef8389a8 | 75 | struct drm_nouveau_private *dev_priv = dev->dev_private; |
59c0f578 | 76 | struct nouveau_channel *evo = nv50_display(dev)->master; |
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77 | int ret; |
78 | ||
ef2bb506 | 79 | NV_DEBUG_KMS(dev, "\n"); |
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80 | |
81 | if (update && !nv_crtc->cursor.visible) | |
82 | return; | |
83 | ||
84 | ret = RING_SPACE(evo, (dev_priv->chipset != 0x50 ? 5 : 3) + update * 2); | |
85 | if (ret) { | |
86 | NV_ERROR(dev, "no space while hiding cursor\n"); | |
87 | return; | |
88 | } | |
6d597027 | 89 | BEGIN_NV04(evo, 0, NV50_EVO_CRTC(nv_crtc->index, CURSOR_CTRL), 2); |
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90 | OUT_RING(evo, NV50_EVO_CRTC_CURSOR_CTRL_HIDE); |
91 | OUT_RING(evo, 0); | |
92 | if (dev_priv->chipset != 0x50) { | |
6d597027 | 93 | BEGIN_NV04(evo, 0, NV84_EVO_CRTC(nv_crtc->index, CURSOR_DMA), 1); |
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94 | OUT_RING(evo, NV84_EVO_CRTC_CURSOR_DMA_HANDLE_NONE); |
95 | } | |
96 | ||
97 | if (update) { | |
6d597027 | 98 | BEGIN_NV04(evo, 0, NV50_EVO_UPDATE, 1); |
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99 | OUT_RING(evo, 0); |
100 | FIRE_RING(evo); | |
101 | nv_crtc->cursor.visible = false; | |
102 | } | |
103 | } | |
104 | ||
105 | static void | |
106 | nv50_cursor_set_pos(struct nouveau_crtc *nv_crtc, int x, int y) | |
107 | { | |
108 | struct drm_device *dev = nv_crtc->base.dev; | |
109 | ||
b334f2b3 | 110 | nv_crtc->cursor_saved_x = x; nv_crtc->cursor_saved_y = y; |
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111 | nv_wr32(dev, NV50_PDISPLAY_CURSOR_USER_POS(nv_crtc->index), |
112 | ((y & 0xFFFF) << 16) | (x & 0xFFFF)); | |
113 | /* Needed to make the cursor move. */ | |
114 | nv_wr32(dev, NV50_PDISPLAY_CURSOR_USER_POS_CTRL(nv_crtc->index), 0); | |
115 | } | |
116 | ||
117 | static void | |
118 | nv50_cursor_set_offset(struct nouveau_crtc *nv_crtc, uint32_t offset) | |
119 | { | |
ef2bb506 | 120 | NV_DEBUG_KMS(nv_crtc->base.dev, "\n"); |
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121 | if (offset == nv_crtc->cursor.offset) |
122 | return; | |
123 | ||
124 | nv_crtc->cursor.offset = offset; | |
125 | if (nv_crtc->cursor.visible) { | |
126 | nv_crtc->cursor.visible = false; | |
127 | nv_crtc->cursor.show(nv_crtc, true); | |
128 | } | |
129 | } | |
130 | ||
131 | int | |
132 | nv50_cursor_init(struct nouveau_crtc *nv_crtc) | |
133 | { | |
134 | nv_crtc->cursor.set_offset = nv50_cursor_set_offset; | |
135 | nv_crtc->cursor.set_pos = nv50_cursor_set_pos; | |
136 | nv_crtc->cursor.hide = nv50_cursor_hide; | |
137 | nv_crtc->cursor.show = nv50_cursor_show; | |
138 | return 0; | |
139 | } |