1 | /* |
2 | * Copyright 2018 Red Hat Inc. |
3 | * |
4 | * Permission is hereby granted, free of charge, to any person obtaining a |
5 | * copy of this software and associated documentation files (the "Software"), |
6 | * to deal in the Software without restriction, including without limitation |
7 | * the rights to use, copy, modify, merge, publish, distribute, sublicense, |
8 | * and/or sell copies of the Software, and to permit persons to whom the |
9 | * Software is furnished to do so, subject to the following conditions: |
10 | * |
11 | * The above copyright notice and this permission notice shall be included in |
12 | * all copies or substantial portions of the Software. |
13 | * |
14 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
15 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
16 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL |
17 | * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR |
18 | * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, |
19 | * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR |
20 | * OTHER DEALINGS IN THE SOFTWARE. |
21 | */ |
22 | #include "curs.h" |
23 | #include "core.h" |
24 | #include "head.h" |
25 | |
26 | #include <nvif/if0014.h> |
27 | #include <nvif/timer.h> |
28 | |
29 | #include <nvhw/class/cl507a.h> |
30 | |
31 | #include <drm/drm_atomic_helper.h> |
32 | #include <drm/drm_fourcc.h> |
33 | |
34 | bool |
35 | curs507a_space(struct nv50_wndw *wndw) |
36 | { |
37 | nvif_msec(&nouveau_drm(wndw->plane.dev)->client.device, 100, |
38 | if (NVIF_TV32(&wndw->wimm.base.user, NV507A, FREE, COUNT, >=, 4)) |
39 | return true; |
40 | ); |
41 | |
42 | WARN_ON(1); |
43 | return false; |
44 | } |
45 | |
46 | static int |
47 | curs507a_update(struct nv50_wndw *wndw, u32 *interlock) |
48 | { |
49 | struct nvif_object *user = &wndw->wimm.base.user; |
50 | int ret = nvif_chan_wait(dmac: &wndw->wimm, size: 1); |
51 | if (ret == 0) { |
52 | NVIF_WR32(user, NV507A, UPDATE, |
53 | NVDEF(NV507A, UPDATE, INTERLOCK_WITH_CORE, DISABLE)); |
54 | } |
55 | return ret; |
56 | } |
57 | |
58 | static int |
59 | curs507a_point(struct nv50_wndw *wndw, struct nv50_wndw_atom *asyw) |
60 | { |
61 | struct nvif_object *user = &wndw->wimm.base.user; |
62 | int ret = nvif_chan_wait(dmac: &wndw->wimm, size: 1); |
63 | if (ret == 0) { |
64 | NVIF_WR32(user, NV507A, SET_CURSOR_HOT_SPOT_POINT_OUT, |
65 | NVVAL(NV507A, SET_CURSOR_HOT_SPOT_POINT_OUT, X, asyw->point.x) | |
66 | NVVAL(NV507A, SET_CURSOR_HOT_SPOT_POINT_OUT, Y, asyw->point.y)); |
67 | } |
68 | return ret; |
69 | } |
70 | |
71 | const struct nv50_wimm_func |
72 | curs507a = { |
73 | .point = curs507a_point, |
74 | .update = curs507a_update, |
75 | }; |
76 | |
77 | static void |
78 | curs507a_prepare(struct nv50_wndw *wndw, struct nv50_head_atom *asyh, |
79 | struct nv50_wndw_atom *asyw) |
80 | { |
81 | u32 handle = nv50_disp(dev: wndw->plane.dev)->core->chan.vram.handle; |
82 | u32 offset = asyw->image.offset[0]; |
83 | if (asyh->curs.handle != handle || asyh->curs.offset != offset) { |
84 | asyh->curs.handle = handle; |
85 | asyh->curs.offset = offset; |
86 | asyh->set.curs = asyh->curs.visible; |
87 | } |
88 | } |
89 | |
90 | static void |
91 | curs507a_release(struct nv50_wndw *wndw, struct nv50_wndw_atom *asyw, |
92 | struct nv50_head_atom *asyh) |
93 | { |
94 | asyh->curs.visible = false; |
95 | } |
96 | |
97 | static int |
98 | curs507a_acquire(struct nv50_wndw *wndw, struct nv50_wndw_atom *asyw, |
99 | struct nv50_head_atom *asyh) |
100 | { |
101 | struct nouveau_drm *drm = nouveau_drm(wndw->plane.dev); |
102 | struct nv50_head *head = nv50_head(asyw->state.crtc); |
103 | struct drm_framebuffer *fb = asyw->state.fb; |
104 | int ret; |
105 | |
106 | ret = drm_atomic_helper_check_plane_state(plane_state: &asyw->state, crtc_state: &asyh->state, |
107 | DRM_PLANE_NO_SCALING, |
108 | DRM_PLANE_NO_SCALING, |
109 | can_position: true, can_update_disabled: true); |
110 | asyh->curs.visible = asyw->state.visible; |
111 | if (ret || !asyh->curs.visible) |
112 | return ret; |
113 | |
114 | if (asyw->state.crtc_w != asyw->state.crtc_h) { |
115 | NV_ATOMIC(drm, "Plane width/height must be equal for cursors\n" ); |
116 | return -EINVAL; |
117 | } |
118 | |
119 | if (asyw->image.w != asyw->state.crtc_w) { |
120 | NV_ATOMIC(drm, "Plane width must be equal to fb width for cursors (height can be larger though)\n" ); |
121 | return -EINVAL; |
122 | } |
123 | |
124 | if (asyw->state.src_x || asyw->state.src_y) { |
125 | NV_ATOMIC(drm, "Cursor planes do not support framebuffer offsets\n" ); |
126 | return -EINVAL; |
127 | } |
128 | |
129 | if (asyw->image.pitch[0] != asyw->image.w * fb->format->cpp[0]) { |
130 | NV_ATOMIC(drm, |
131 | "%s: invalid cursor image pitch: image must be packed (pitch = %d, width = %d)\n" , |
132 | wndw->plane.name, asyw->image.pitch[0], asyw->image.w); |
133 | return -EINVAL; |
134 | } |
135 | |
136 | ret = head->func->curs_layout(head, asyw, asyh); |
137 | if (ret) { |
138 | NV_ATOMIC(drm, |
139 | "%s: invalid cursor image size: unsupported size %dx%d\n" , |
140 | wndw->plane.name, asyw->image.w, asyw->image.h); |
141 | return ret; |
142 | } |
143 | |
144 | ret = head->func->curs_format(head, asyw, asyh); |
145 | if (ret) { |
146 | NV_ATOMIC(drm, |
147 | "%s: invalid cursor image format 0x%X\n" , |
148 | wndw->plane.name, fb->format->format); |
149 | return ret; |
150 | } |
151 | |
152 | return 0; |
153 | } |
154 | |
155 | static const u32 |
156 | curs507a_format[] = { |
157 | DRM_FORMAT_ARGB8888, |
158 | 0 |
159 | }; |
160 | |
161 | static const struct nv50_wndw_func |
162 | curs507a_wndw = { |
163 | .acquire = curs507a_acquire, |
164 | .release = curs507a_release, |
165 | .prepare = curs507a_prepare, |
166 | }; |
167 | |
168 | int |
169 | curs507a_new_(const struct nv50_wimm_func *func, struct nouveau_drm *drm, |
170 | int head, s32 oclass, u32 interlock_data, |
171 | struct nv50_wndw **pwndw) |
172 | { |
173 | struct nvif_disp_chan_v0 args = { |
174 | .id = head, |
175 | }; |
176 | struct nv50_disp *disp = nv50_disp(dev: drm->dev); |
177 | struct nv50_wndw *wndw; |
178 | int ret; |
179 | |
180 | ret = nv50_wndw_new_(&curs507a_wndw, drm->dev, DRM_PLANE_TYPE_CURSOR, |
181 | name: "curs" , index: head, format: curs507a_format, BIT(head), |
182 | NV50_DISP_INTERLOCK_CURS, interlock_data, &wndw); |
183 | if (*pwndw = wndw, ret) |
184 | return ret; |
185 | |
186 | ret = nvif_object_ctor(&disp->disp->object, "kmsCurs" , 0, oclass, |
187 | &args, sizeof(args), &wndw->wimm.base.user); |
188 | if (ret) { |
189 | NV_ERROR(drm, "curs%04x allocation failed: %d\n" , oclass, ret); |
190 | return ret; |
191 | } |
192 | |
193 | nvif_object_map(&wndw->wimm.base.user, NULL, 0); |
194 | wndw->immd = func; |
195 | wndw->ctxdma.parent = NULL; |
196 | return 0; |
197 | } |
198 | |
199 | int |
200 | curs507a_new(struct nouveau_drm *drm, int head, s32 oclass, |
201 | struct nv50_wndw **pwndw) |
202 | { |
203 | return curs507a_new_(&curs507a, drm, head, oclass, |
204 | interlock_data: 0x00000001 << (head * 8), pwndw); |
205 | } |
206 | |