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
35int
36ovly507e_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
57static int
58ovly507e_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
95void
96ovly507e_release(struct nv50_wndw *wndw, struct nv50_wndw_atom *asyw,
97		 struct nv50_head_atom *asyh)
98{
99	asyh->ovly.cpp = 0;
100}
101
102int
103ovly507e_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
122static const struct nv50_wndw_func
123ovly507e = {
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
136static const u32
137ovly507e_format[] = {
138	DRM_FORMAT_YUYV,
139	DRM_FORMAT_UYVY,
140	DRM_FORMAT_XRGB8888,
141	DRM_FORMAT_XRGB1555,
142	0
143};
144
145int
146ovly507e_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
188int
189ovly507e_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