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 "ovly.h"
23 #include "atom.h"
24 
25 #include <drm/drm_atomic_helper.h>
26 #include <drm/drm_plane_helper.h>
27 
28 #include <nvif/cl507e.h>
29 #include <nvif/event.h>
30 
31 void
32 ovly507e_update(struct nv50_wndw *wndw, u32 *interlock)
33 {
34 	u32 *push;
35 	if ((push = evo_wait(&wndw->wndw, 2))) {
36 		evo_mthd(push, 0x0080, 1);
37 		evo_data(push, interlock[NV50_DISP_INTERLOCK_CORE]);
38 		evo_kick(push, &wndw->wndw);
39 	}
40 }
41 
42 void
43 ovly507e_scale_set(struct nv50_wndw *wndw, struct nv50_wndw_atom *asyw)
44 {
45 	u32 *push;
46 	if ((push = evo_wait(&wndw->wndw, 4))) {
47 		evo_mthd(push, 0x00e0, 3);
48 		evo_data(push, asyw->scale.sy << 16 | asyw->scale.sx);
49 		evo_data(push, asyw->scale.sh << 16 | asyw->scale.sw);
50 		evo_data(push, asyw->scale.dw);
51 		evo_kick(push, &wndw->wndw);
52 	}
53 }
54 
55 void
56 ovly507e_image_clr(struct nv50_wndw *wndw)
57 {
58 	u32 *push;
59 	if ((push = evo_wait(&wndw->wndw, 4))) {
60 		evo_mthd(push, 0x0084, 1);
61 		evo_data(push, 0x00000000);
62 		evo_mthd(push, 0x00c0, 1);
63 		evo_data(push, 0x00000000);
64 		evo_kick(push, &wndw->wndw);
65 	}
66 }
67 
68 static void
69 ovly507e_image_set(struct nv50_wndw *wndw, struct nv50_wndw_atom *asyw)
70 {
71 	u32 *push;
72 	if ((push = evo_wait(&wndw->wndw, 12))) {
73 		evo_mthd(push, 0x0084, 1);
74 		evo_data(push, asyw->image.interval << 4);
75 		evo_mthd(push, 0x00c0, 1);
76 		evo_data(push, asyw->image.handle[0]);
77 		evo_mthd(push, 0x0100, 1);
78 		evo_data(push, 0x00000002);
79 		evo_mthd(push, 0x0800, 1);
80 		evo_data(push, asyw->image.offset[0] >> 8);
81 		evo_mthd(push, 0x0808, 3);
82 		evo_data(push, asyw->image.h << 16 | asyw->image.w);
83 		evo_data(push, asyw->image.layout << 20 |
84 			       (asyw->image.pitch[0] >> 8) << 8 |
85 			       asyw->image.blocks[0] << 8 |
86 			       asyw->image.blockh);
87 		evo_data(push, asyw->image.kind << 16 |
88 			       asyw->image.format << 8 |
89 			       asyw->image.colorspace);
90 		evo_kick(push, &wndw->wndw);
91 	}
92 }
93 
94 void
95 ovly507e_ntfy_clr(struct nv50_wndw *wndw)
96 {
97 	u32 *push;
98 	if ((push = evo_wait(&wndw->wndw, 2))) {
99 		evo_mthd(push, 0x00a4, 1);
100 		evo_data(push, 0x00000000);
101 		evo_kick(push, &wndw->wndw);
102 	}
103 }
104 
105 void
106 ovly507e_ntfy_set(struct nv50_wndw *wndw, struct nv50_wndw_atom *asyw)
107 {
108 	u32 *push;
109 	if ((push = evo_wait(&wndw->wndw, 3))) {
110 		evo_mthd(push, 0x00a0, 2);
111 		evo_data(push, asyw->ntfy.awaken << 30 | asyw->ntfy.offset);
112 		evo_data(push, asyw->ntfy.handle);
113 		evo_kick(push, &wndw->wndw);
114 	}
115 }
116 
117 void
118 ovly507e_release(struct nv50_wndw *wndw, struct nv50_wndw_atom *asyw,
119 		 struct nv50_head_atom *asyh)
120 {
121 	asyh->ovly.cpp = 0;
122 }
123 
124 int
125 ovly507e_acquire(struct nv50_wndw *wndw, struct nv50_wndw_atom *asyw,
126 		 struct nv50_head_atom *asyh)
127 {
128 	const struct drm_framebuffer *fb = asyw->state.fb;
129 	int ret;
130 
131 	ret = drm_atomic_helper_check_plane_state(&asyw->state, &asyh->state,
132 						  DRM_PLANE_HELPER_NO_SCALING,
133 						  DRM_PLANE_HELPER_NO_SCALING,
134 						  true, true);
135 	if (ret)
136 		return ret;
137 
138 	asyh->ovly.cpp = fb->format->cpp[0];
139 	return 0;
140 }
141 
142 #include "nouveau_bo.h"
143 
144 static const struct nv50_wndw_func
145 ovly507e = {
146 	.acquire = ovly507e_acquire,
147 	.release = ovly507e_release,
148 	.ntfy_set = ovly507e_ntfy_set,
149 	.ntfy_clr = ovly507e_ntfy_clr,
150 	.ntfy_reset = base507c_ntfy_reset,
151 	.ntfy_wait_begun = base507c_ntfy_wait_begun,
152 	.image_set = ovly507e_image_set,
153 	.image_clr = ovly507e_image_clr,
154 	.scale_set = ovly507e_scale_set,
155 	.update = ovly507e_update,
156 };
157 
158 static const u32
159 ovly507e_format[] = {
160 	DRM_FORMAT_YUYV,
161 	DRM_FORMAT_UYVY,
162 	DRM_FORMAT_XRGB8888,
163 	DRM_FORMAT_ARGB8888,
164 	DRM_FORMAT_XRGB1555,
165 	DRM_FORMAT_ARGB1555,
166 	0
167 };
168 
169 int
170 ovly507e_new_(const struct nv50_wndw_func *func, const u32 *format,
171 	      struct nouveau_drm *drm, int head, s32 oclass, u32 interlock_data,
172 	      struct nv50_wndw **pwndw)
173 {
174 	struct nv50_disp_overlay_channel_dma_v0 args = {
175 		.head = head,
176 	};
177 	struct nv50_disp *disp = nv50_disp(drm->dev);
178 	struct nv50_wndw *wndw;
179 	int ret;
180 
181 	ret = nv50_wndw_new_(func, drm->dev, DRM_PLANE_TYPE_OVERLAY,
182 			     "ovly", head, format, BIT(head),
183 			     NV50_DISP_INTERLOCK_OVLY, interlock_data,
184 			     &wndw);
185 	if (*pwndw = wndw, ret)
186 		return ret;
187 
188 	ret = nv50_dmac_create(&drm->client.device, &disp->disp->object,
189 			       &oclass, 0, &args, sizeof(args),
190 			       disp->sync->bo.offset, &wndw->wndw);
191 	if (ret) {
192 		NV_ERROR(drm, "ovly%04x allocation failed: %d\n", oclass, ret);
193 		return ret;
194 	}
195 
196 	ret = nvif_notify_init(&wndw->wndw.base.user, wndw->notify.func, false,
197 			       NV50_DISP_OVERLAY_CHANNEL_DMA_V0_NTFY_UEVENT,
198 			       &(struct nvif_notify_uevent_req) {},
199 			       sizeof(struct nvif_notify_uevent_req),
200 			       sizeof(struct nvif_notify_uevent_rep),
201 			       &wndw->notify);
202 	if (ret)
203 		return ret;
204 
205 	wndw->ntfy = NV50_DISP_OVLY_NTFY(wndw->id);
206 	wndw->sema = NV50_DISP_OVLY_SEM0(wndw->id);
207 	wndw->data = 0x00000000;
208 	return 0;
209 }
210 
211 int
212 ovly507e_new(struct nouveau_drm *drm, int head, s32 oclass,
213 	     struct nv50_wndw **pwndw)
214 {
215 	return ovly507e_new_(&ovly507e, ovly507e_format, drm, head, oclass,
216 			     0x00000004 << (head * 8), pwndw);
217 }
218