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 #include <nvif/push507c.h>
32 
33 #include <nvhw/class/cl507e.h>
34 
35 int
36 ovly507e_scale_set(struct nv50_wndw *wndw, struct nv50_wndw_atom *asyw)
37 {
38 	struct nvif_push *push = wndw->wndw.push;
39 	int ret;
40 
41 	if ((ret = PUSH_WAIT(push, 4)))
42 		return ret;
43 
44 	PUSH_MTHD(push, NV507E, SET_POINT_IN,
45 		  NVVAL(NV507E, SET_POINT_IN, X, asyw->scale.sx) |
46 		  NVVAL(NV507E, SET_POINT_IN, Y, asyw->scale.sy),
47 
48 				SET_SIZE_IN,
49 		  NVVAL(NV507E, SET_SIZE_IN, WIDTH, asyw->scale.sw) |
50 		  NVVAL(NV507E, SET_SIZE_IN, HEIGHT, asyw->scale.sh),
51 
52 				SET_SIZE_OUT,
53 		  NVVAL(NV507E, SET_SIZE_OUT, WIDTH, asyw->scale.dw));
54 	return 0;
55 }
56 
57 static int
58 ovly507e_image_set(struct nv50_wndw *wndw, struct nv50_wndw_atom *asyw)
59 {
60 	struct nvif_push *push = wndw->wndw.push;
61 	int ret;
62 
63 	if ((ret = PUSH_WAIT(push, 12)))
64 		return ret;
65 
66 	PUSH_MTHD(push, NV507E, SET_PRESENT_CONTROL,
67 		  NVDEF(NV507E, SET_PRESENT_CONTROL, BEGIN_MODE, ASAP) |
68 		  NVVAL(NV507E, SET_PRESENT_CONTROL, MIN_PRESENT_INTERVAL, asyw->image.interval));
69 
70 	PUSH_MTHD(push, NV507E, SET_CONTEXT_DMA_ISO, asyw->image.handle[0]);
71 
72 	PUSH_MTHD(push, NV507E, SET_COMPOSITION_CONTROL,
73 		  NVDEF(NV507E, SET_COMPOSITION_CONTROL, MODE, OPAQUE_SUSPEND_BASE));
74 
75 	PUSH_MTHD(push, NV507E, SURFACE_SET_OFFSET, asyw->image.offset[0] >> 8);
76 
77 	PUSH_MTHD(push, NV507E, SURFACE_SET_SIZE,
78 		  NVVAL(NV507E, SURFACE_SET_SIZE, WIDTH, asyw->image.w) |
79 		  NVVAL(NV507E, SURFACE_SET_SIZE, HEIGHT, asyw->image.h),
80 
81 				SURFACE_SET_STORAGE,
82 		  NVVAL(NV507E, SURFACE_SET_STORAGE, BLOCK_HEIGHT, asyw->image.blockh) |
83 		  NVVAL(NV507E, SURFACE_SET_STORAGE, PITCH, (asyw->image.pitch[0] >> 8)) |
84 		  NVVAL(NV507E, SURFACE_SET_STORAGE, PITCH, asyw->image.blocks[0]) |
85 		  NVVAL(NV507E, SURFACE_SET_STORAGE, MEMORY_LAYOUT, asyw->image.layout),
86 
87 				SURFACE_SET_PARAMS,
88 		  NVVAL(NV507E, SURFACE_SET_PARAMS, FORMAT, asyw->image.format) |
89 		  NVVAL(NV507E, SURFACE_SET_PARAMS, COLOR_SPACE, asyw->image.colorspace) |
90 		  NVVAL(NV507E, SURFACE_SET_PARAMS, KIND, asyw->image.kind) |
91 		  NVDEF(NV507E, SURFACE_SET_PARAMS, PART_STRIDE, PARTSTRIDE_256));
92 	return 0;
93 }
94 
95 void
96 ovly507e_release(struct nv50_wndw *wndw, struct nv50_wndw_atom *asyw,
97 		 struct nv50_head_atom *asyh)
98 {
99 	asyh->ovly.cpp = 0;
100 }
101 
102 int
103 ovly507e_acquire(struct nv50_wndw *wndw, struct nv50_wndw_atom *asyw,
104 		 struct nv50_head_atom *asyh)
105 {
106 	const struct drm_framebuffer *fb = asyw->state.fb;
107 	int ret;
108 
109 	ret = drm_atomic_helper_check_plane_state(&asyw->state, &asyh->state,
110 						  DRM_PLANE_HELPER_NO_SCALING,
111 						  DRM_PLANE_HELPER_NO_SCALING,
112 						  true, true);
113 	if (ret)
114 		return ret;
115 
116 	asyh->ovly.cpp = fb->format->cpp[0];
117 	return 0;
118 }
119 
120 #include "nouveau_bo.h"
121 
122 static const struct nv50_wndw_func
123 ovly507e = {
124 	.acquire = ovly507e_acquire,
125 	.release = ovly507e_release,
126 	.ntfy_set = base507c_ntfy_set,
127 	.ntfy_clr = base507c_ntfy_clr,
128 	.ntfy_reset = base507c_ntfy_reset,
129 	.ntfy_wait_begun = base507c_ntfy_wait_begun,
130 	.image_set = ovly507e_image_set,
131 	.image_clr = base507c_image_clr,
132 	.scale_set = ovly507e_scale_set,
133 	.update = base507c_update,
134 };
135 
136 static const u32
137 ovly507e_format[] = {
138 	DRM_FORMAT_YUYV,
139 	DRM_FORMAT_UYVY,
140 	DRM_FORMAT_XRGB8888,
141 	DRM_FORMAT_XRGB1555,
142 	0
143 };
144 
145 int
146 ovly507e_new_(const struct nv50_wndw_func *func, const u32 *format,
147 	      struct nouveau_drm *drm, int head, s32 oclass, u32 interlock_data,
148 	      struct nv50_wndw **pwndw)
149 {
150 	struct nv50_disp_overlay_channel_dma_v0 args = {
151 		.head = head,
152 	};
153 	struct nv50_disp *disp = nv50_disp(drm->dev);
154 	struct nv50_wndw *wndw;
155 	int ret;
156 
157 	ret = nv50_wndw_new_(func, drm->dev, DRM_PLANE_TYPE_OVERLAY,
158 			     "ovly", head, format, BIT(head),
159 			     NV50_DISP_INTERLOCK_OVLY, interlock_data,
160 			     &wndw);
161 	if (*pwndw = wndw, ret)
162 		return ret;
163 
164 	ret = nv50_dmac_create(&drm->client.device, &disp->disp->object,
165 			       &oclass, 0, &args, sizeof(args),
166 			       disp->sync->offset, &wndw->wndw);
167 	if (ret) {
168 		NV_ERROR(drm, "ovly%04x allocation failed: %d\n", oclass, ret);
169 		return ret;
170 	}
171 
172 	ret = nvif_notify_ctor(&wndw->wndw.base.user, "kmsOvlyNtfy",
173 			       wndw->notify.func, false,
174 			       NV50_DISP_OVERLAY_CHANNEL_DMA_V0_NTFY_UEVENT,
175 			       &(struct nvif_notify_uevent_req) {},
176 			       sizeof(struct nvif_notify_uevent_req),
177 			       sizeof(struct nvif_notify_uevent_rep),
178 			       &wndw->notify);
179 	if (ret)
180 		return ret;
181 
182 	wndw->ntfy = NV50_DISP_OVLY_NTFY(wndw->id);
183 	wndw->sema = NV50_DISP_OVLY_SEM0(wndw->id);
184 	wndw->data = 0x00000000;
185 	return 0;
186 }
187 
188 int
189 ovly507e_new(struct nouveau_drm *drm, int head, s32 oclass,
190 	     struct nv50_wndw **pwndw)
191 {
192 	return ovly507e_new_(&ovly507e, ovly507e_format, drm, head, oclass,
193 			     0x00000004 << (head * 8), pwndw);
194 }
195