xref: /netbsd-src/sys/external/bsd/drm2/dist/drm/nouveau/dispnv50/nouveau_dispnv50_ovly507e.c (revision 41ec02673d281bbb3d38e6c78504ce6e30c228c1)
1 /*	$NetBSD: nouveau_dispnv50_ovly507e.c,v 1.2 2021/12/18 23:45:32 riastradh Exp $	*/
2 
3 /*
4  * Copyright 2018 Red Hat Inc.
5  *
6  * Permission is hereby granted, free of charge, to any person obtaining a
7  * copy of this software and associated documentation files (the "Software"),
8  * to deal in the Software without restriction, including without limitation
9  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
10  * and/or sell copies of the Software, and to permit persons to whom the
11  * Software is furnished to do so, subject to the following conditions:
12  *
13  * The above copyright notice and this permission notice shall be included in
14  * all copies or substantial portions of the Software.
15  *
16  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
19  * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
20  * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
21  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
22  * OTHER DEALINGS IN THE SOFTWARE.
23  */
24 #include <sys/cdefs.h>
25 __KERNEL_RCSID(0, "$NetBSD: nouveau_dispnv50_ovly507e.c,v 1.2 2021/12/18 23:45:32 riastradh Exp $");
26 
27 #include "ovly.h"
28 #include "atom.h"
29 
30 #include <drm/drm_atomic_helper.h>
31 #include <drm/drm_fourcc.h>
32 #include <drm/drm_plane_helper.h>
33 
34 #include <nvif/cl507e.h>
35 #include <nvif/event.h>
36 
37 void
ovly507e_update(struct nv50_wndw * wndw,u32 * interlock)38 ovly507e_update(struct nv50_wndw *wndw, u32 *interlock)
39 {
40 	u32 *push;
41 	if ((push = evo_wait(&wndw->wndw, 2))) {
42 		evo_mthd(push, 0x0080, 1);
43 		evo_data(push, interlock[NV50_DISP_INTERLOCK_CORE]);
44 		evo_kick(push, &wndw->wndw);
45 	}
46 }
47 
48 void
ovly507e_scale_set(struct nv50_wndw * wndw,struct nv50_wndw_atom * asyw)49 ovly507e_scale_set(struct nv50_wndw *wndw, struct nv50_wndw_atom *asyw)
50 {
51 	u32 *push;
52 	if ((push = evo_wait(&wndw->wndw, 4))) {
53 		evo_mthd(push, 0x00e0, 3);
54 		evo_data(push, asyw->scale.sy << 16 | asyw->scale.sx);
55 		evo_data(push, asyw->scale.sh << 16 | asyw->scale.sw);
56 		evo_data(push, asyw->scale.dw);
57 		evo_kick(push, &wndw->wndw);
58 	}
59 }
60 
61 void
ovly507e_image_clr(struct nv50_wndw * wndw)62 ovly507e_image_clr(struct nv50_wndw *wndw)
63 {
64 	u32 *push;
65 	if ((push = evo_wait(&wndw->wndw, 4))) {
66 		evo_mthd(push, 0x0084, 1);
67 		evo_data(push, 0x00000000);
68 		evo_mthd(push, 0x00c0, 1);
69 		evo_data(push, 0x00000000);
70 		evo_kick(push, &wndw->wndw);
71 	}
72 }
73 
74 static void
ovly507e_image_set(struct nv50_wndw * wndw,struct nv50_wndw_atom * asyw)75 ovly507e_image_set(struct nv50_wndw *wndw, struct nv50_wndw_atom *asyw)
76 {
77 	u32 *push;
78 	if ((push = evo_wait(&wndw->wndw, 12))) {
79 		evo_mthd(push, 0x0084, 1);
80 		evo_data(push, asyw->image.interval << 4);
81 		evo_mthd(push, 0x00c0, 1);
82 		evo_data(push, asyw->image.handle[0]);
83 		evo_mthd(push, 0x0100, 1);
84 		evo_data(push, 0x00000002);
85 		evo_mthd(push, 0x0800, 1);
86 		evo_data(push, asyw->image.offset[0] >> 8);
87 		evo_mthd(push, 0x0808, 3);
88 		evo_data(push, asyw->image.h << 16 | asyw->image.w);
89 		evo_data(push, asyw->image.layout << 20 |
90 			       (asyw->image.pitch[0] >> 8) << 8 |
91 			       asyw->image.blocks[0] << 8 |
92 			       asyw->image.blockh);
93 		evo_data(push, asyw->image.kind << 16 |
94 			       asyw->image.format << 8 |
95 			       asyw->image.colorspace);
96 		evo_kick(push, &wndw->wndw);
97 	}
98 }
99 
100 void
ovly507e_ntfy_clr(struct nv50_wndw * wndw)101 ovly507e_ntfy_clr(struct nv50_wndw *wndw)
102 {
103 	u32 *push;
104 	if ((push = evo_wait(&wndw->wndw, 2))) {
105 		evo_mthd(push, 0x00a4, 1);
106 		evo_data(push, 0x00000000);
107 		evo_kick(push, &wndw->wndw);
108 	}
109 }
110 
111 void
ovly507e_ntfy_set(struct nv50_wndw * wndw,struct nv50_wndw_atom * asyw)112 ovly507e_ntfy_set(struct nv50_wndw *wndw, struct nv50_wndw_atom *asyw)
113 {
114 	u32 *push;
115 	if ((push = evo_wait(&wndw->wndw, 3))) {
116 		evo_mthd(push, 0x00a0, 2);
117 		evo_data(push, asyw->ntfy.awaken << 30 | asyw->ntfy.offset);
118 		evo_data(push, asyw->ntfy.handle);
119 		evo_kick(push, &wndw->wndw);
120 	}
121 }
122 
123 void
ovly507e_release(struct nv50_wndw * wndw,struct nv50_wndw_atom * asyw,struct nv50_head_atom * asyh)124 ovly507e_release(struct nv50_wndw *wndw, struct nv50_wndw_atom *asyw,
125 		 struct nv50_head_atom *asyh)
126 {
127 	asyh->ovly.cpp = 0;
128 }
129 
130 int
ovly507e_acquire(struct nv50_wndw * wndw,struct nv50_wndw_atom * asyw,struct nv50_head_atom * asyh)131 ovly507e_acquire(struct nv50_wndw *wndw, struct nv50_wndw_atom *asyw,
132 		 struct nv50_head_atom *asyh)
133 {
134 	const struct drm_framebuffer *fb = asyw->state.fb;
135 	int ret;
136 
137 	ret = drm_atomic_helper_check_plane_state(&asyw->state, &asyh->state,
138 						  DRM_PLANE_HELPER_NO_SCALING,
139 						  DRM_PLANE_HELPER_NO_SCALING,
140 						  true, true);
141 	if (ret)
142 		return ret;
143 
144 	asyh->ovly.cpp = fb->format->cpp[0];
145 	return 0;
146 }
147 
148 #include "nouveau_bo.h"
149 
150 static const struct nv50_wndw_func
151 ovly507e = {
152 	.acquire = ovly507e_acquire,
153 	.release = ovly507e_release,
154 	.ntfy_set = ovly507e_ntfy_set,
155 	.ntfy_clr = ovly507e_ntfy_clr,
156 	.ntfy_reset = base507c_ntfy_reset,
157 	.ntfy_wait_begun = base507c_ntfy_wait_begun,
158 	.image_set = ovly507e_image_set,
159 	.image_clr = ovly507e_image_clr,
160 	.scale_set = ovly507e_scale_set,
161 	.update = ovly507e_update,
162 };
163 
164 static const u32
165 ovly507e_format[] = {
166 	DRM_FORMAT_YUYV,
167 	DRM_FORMAT_UYVY,
168 	DRM_FORMAT_XRGB8888,
169 	DRM_FORMAT_XRGB1555,
170 	0
171 };
172 
173 int
ovly507e_new_(const struct nv50_wndw_func * func,const u32 * format,struct nouveau_drm * drm,int head,s32 oclass,u32 interlock_data,struct nv50_wndw ** pwndw)174 ovly507e_new_(const struct nv50_wndw_func *func, const u32 *format,
175 	      struct nouveau_drm *drm, int head, s32 oclass, u32 interlock_data,
176 	      struct nv50_wndw **pwndw)
177 {
178 	struct nv50_disp_overlay_channel_dma_v0 args = {
179 		.head = head,
180 	};
181 	struct nv50_disp *disp = nv50_disp(drm->dev);
182 	struct nv50_wndw *wndw;
183 	int ret;
184 
185 	ret = nv50_wndw_new_(func, drm->dev, DRM_PLANE_TYPE_OVERLAY,
186 			     "ovly", head, format, BIT(head),
187 			     NV50_DISP_INTERLOCK_OVLY, interlock_data,
188 			     &wndw);
189 	if (*pwndw = wndw, ret)
190 		return ret;
191 
192 	ret = nv50_dmac_create(&drm->client.device, &disp->disp->object,
193 			       &oclass, 0, &args, sizeof(args),
194 			       disp->sync->bo.offset, &wndw->wndw);
195 	if (ret) {
196 		NV_ERROR(drm, "ovly%04x allocation failed: %d\n", oclass, ret);
197 		return ret;
198 	}
199 
200 	ret = nvif_notify_init(&wndw->wndw.base.user, wndw->notify.func, false,
201 			       NV50_DISP_OVERLAY_CHANNEL_DMA_V0_NTFY_UEVENT,
202 			       &(struct nvif_notify_uevent_req) {},
203 			       sizeof(struct nvif_notify_uevent_req),
204 			       sizeof(struct nvif_notify_uevent_rep),
205 			       &wndw->notify);
206 	if (ret)
207 		return ret;
208 
209 	wndw->ntfy = NV50_DISP_OVLY_NTFY(wndw->id);
210 	wndw->sema = NV50_DISP_OVLY_SEM0(wndw->id);
211 	wndw->data = 0x00000000;
212 	return 0;
213 }
214 
215 int
ovly507e_new(struct nouveau_drm * drm,int head,s32 oclass,struct nv50_wndw ** pwndw)216 ovly507e_new(struct nouveau_drm *drm, int head, s32 oclass,
217 	     struct nv50_wndw **pwndw)
218 {
219 	return ovly507e_new_(&ovly507e, ovly507e_format, drm, head, oclass,
220 			     0x00000004 << (head * 8), pwndw);
221 }
222