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