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 "base.h"
23 
24 #include <nvif/cl507c.h>
25 #include <nvif/event.h>
26 
27 #include <drm/drm_atomic_helper.h>
28 #include <drm/drm_fourcc.h>
29 #include <drm/drm_plane_helper.h>
30 
31 #include "nouveau_bo.h"
32 
33 void
34 base507c_update(struct nv50_wndw *wndw, u32 *interlock)
35 {
36 	u32 *push;
37 	if ((push = evo_wait(&wndw->wndw, 2))) {
38 		evo_mthd(push, 0x0080, 1);
39 		evo_data(push, interlock[NV50_DISP_INTERLOCK_CORE]);
40 		evo_kick(push, &wndw->wndw);
41 	}
42 }
43 
44 void
45 base507c_image_clr(struct nv50_wndw *wndw)
46 {
47 	u32 *push;
48 	if ((push = evo_wait(&wndw->wndw, 4))) {
49 		evo_mthd(push, 0x0084, 1);
50 		evo_data(push, 0x00000000);
51 		evo_mthd(push, 0x00c0, 1);
52 		evo_data(push, 0x00000000);
53 		evo_kick(push, &wndw->wndw);
54 	}
55 }
56 
57 static void
58 base507c_image_set(struct nv50_wndw *wndw, struct nv50_wndw_atom *asyw)
59 {
60 	u32 *push;
61 	if ((push = evo_wait(&wndw->wndw, 13))) {
62 		evo_mthd(push, 0x0084, 1);
63 		evo_data(push, asyw->image.mode << 8 |
64 			       asyw->image.interval << 4);
65 		evo_mthd(push, 0x00c0, 1);
66 		evo_data(push, asyw->image.handle[0]);
67 		if (asyw->image.format == 0xca) {
68 			evo_mthd(push, 0x0110, 2);
69 			evo_data(push, 1);
70 			evo_data(push, 0x6400);
71 		} else {
72 			evo_mthd(push, 0x0110, 2);
73 			evo_data(push, 0);
74 			evo_data(push, 0);
75 		}
76 		evo_mthd(push, 0x0800, 5);
77 		evo_data(push, asyw->image.offset[0] >> 8);
78 		evo_data(push, 0x00000000);
79 		evo_data(push, asyw->image.h << 16 | asyw->image.w);
80 		evo_data(push, asyw->image.layout << 20 |
81 			       (asyw->image.pitch[0] >> 8) << 8 |
82 			       asyw->image.blocks[0] << 8 |
83 			       asyw->image.blockh);
84 		evo_data(push, asyw->image.kind << 16 |
85 			       asyw->image.format << 8);
86 		evo_kick(push, &wndw->wndw);
87 	}
88 }
89 
90 void
91 base507c_xlut_clr(struct nv50_wndw *wndw)
92 {
93 	u32 *push;
94 	if ((push = evo_wait(&wndw->wndw, 2))) {
95 		evo_mthd(push, 0x00e0, 1);
96 		evo_data(push, 0x00000000);
97 		evo_kick(push, &wndw->wndw);
98 	}
99 }
100 
101 void
102 base507c_xlut_set(struct nv50_wndw *wndw, struct nv50_wndw_atom *asyw)
103 {
104 	u32 *push;
105 	if ((push = evo_wait(&wndw->wndw, 2))) {
106 		evo_mthd(push, 0x00e0, 1);
107 		evo_data(push, 0x40000000);
108 		evo_kick(push, &wndw->wndw);
109 	}
110 }
111 
112 int
113 base507c_ntfy_wait_begun(struct nouveau_bo *bo, u32 offset,
114 			 struct nvif_device *device)
115 {
116 	s64 time = nvif_msec(device, 2000ULL,
117 		u32 data = nouveau_bo_rd32(bo, offset / 4);
118 		if ((data & 0xc0000000) == 0x40000000)
119 			break;
120 		usleep_range(1, 2);
121 	);
122 	return time < 0 ? time : 0;
123 }
124 
125 void
126 base507c_ntfy_clr(struct nv50_wndw *wndw)
127 {
128 	u32 *push;
129 	if ((push = evo_wait(&wndw->wndw, 2))) {
130 		evo_mthd(push, 0x00a4, 1);
131 		evo_data(push, 0x00000000);
132 		evo_kick(push, &wndw->wndw);
133 	}
134 }
135 
136 void
137 base507c_ntfy_set(struct nv50_wndw *wndw, struct nv50_wndw_atom *asyw)
138 {
139 	u32 *push;
140 	if ((push = evo_wait(&wndw->wndw, 3))) {
141 		evo_mthd(push, 0x00a0, 2);
142 		evo_data(push, asyw->ntfy.awaken << 30 | asyw->ntfy.offset);
143 		evo_data(push, asyw->ntfy.handle);
144 		evo_kick(push, &wndw->wndw);
145 	}
146 }
147 
148 void
149 base507c_ntfy_reset(struct nouveau_bo *bo, u32 offset)
150 {
151 	nouveau_bo_wr32(bo, offset / 4, 0x00000000);
152 }
153 
154 void
155 base507c_sema_clr(struct nv50_wndw *wndw)
156 {
157 	u32 *push;
158 	if ((push = evo_wait(&wndw->wndw, 2))) {
159 		evo_mthd(push, 0x0094, 1);
160 		evo_data(push, 0x00000000);
161 		evo_kick(push, &wndw->wndw);
162 	}
163 }
164 
165 void
166 base507c_sema_set(struct nv50_wndw *wndw, struct nv50_wndw_atom *asyw)
167 {
168 	u32 *push;
169 	if ((push = evo_wait(&wndw->wndw, 5))) {
170 		evo_mthd(push, 0x0088, 4);
171 		evo_data(push, asyw->sema.offset);
172 		evo_data(push, asyw->sema.acquire);
173 		evo_data(push, asyw->sema.release);
174 		evo_data(push, asyw->sema.handle);
175 		evo_kick(push, &wndw->wndw);
176 	}
177 }
178 
179 void
180 base507c_release(struct nv50_wndw *wndw, struct nv50_wndw_atom *asyw,
181 		 struct nv50_head_atom *asyh)
182 {
183 	asyh->base.cpp = 0;
184 }
185 
186 int
187 base507c_acquire(struct nv50_wndw *wndw, struct nv50_wndw_atom *asyw,
188 		 struct nv50_head_atom *asyh)
189 {
190 	const struct drm_framebuffer *fb = asyw->state.fb;
191 	int ret;
192 
193 	ret = drm_atomic_helper_check_plane_state(&asyw->state, &asyh->state,
194 						  DRM_PLANE_HELPER_NO_SCALING,
195 						  DRM_PLANE_HELPER_NO_SCALING,
196 						  false, true);
197 	if (ret)
198 		return ret;
199 
200 	if (!wndw->func->ilut) {
201 		if ((asyh->base.cpp != 1) ^ (fb->format->cpp[0] != 1))
202 			asyh->state.color_mgmt_changed = true;
203 	}
204 
205 	asyh->base.depth = fb->format->depth;
206 	asyh->base.cpp = fb->format->cpp[0];
207 	asyh->base.x = asyw->state.src.x1 >> 16;
208 	asyh->base.y = asyw->state.src.y1 >> 16;
209 	asyh->base.w = asyw->state.fb->width;
210 	asyh->base.h = asyw->state.fb->height;
211 
212 	/* Some newer formats, esp FP16 ones, don't have a
213 	 * "depth". There's nothing that really makes sense there
214 	 * either, so just set it to the implicit bit count.
215 	 */
216 	if (!asyh->base.depth)
217 		asyh->base.depth = asyh->base.cpp * 8;
218 
219 	return 0;
220 }
221 
222 const u32
223 base507c_format[] = {
224 	DRM_FORMAT_C8,
225 	DRM_FORMAT_RGB565,
226 	DRM_FORMAT_XRGB1555,
227 	DRM_FORMAT_ARGB1555,
228 	DRM_FORMAT_XRGB8888,
229 	DRM_FORMAT_ARGB8888,
230 	DRM_FORMAT_XBGR2101010,
231 	DRM_FORMAT_ABGR2101010,
232 	DRM_FORMAT_XBGR8888,
233 	DRM_FORMAT_ABGR8888,
234 	DRM_FORMAT_XBGR16161616F,
235 	DRM_FORMAT_ABGR16161616F,
236 	0
237 };
238 
239 static const struct nv50_wndw_func
240 base507c = {
241 	.acquire = base507c_acquire,
242 	.release = base507c_release,
243 	.sema_set = base507c_sema_set,
244 	.sema_clr = base507c_sema_clr,
245 	.ntfy_reset = base507c_ntfy_reset,
246 	.ntfy_set = base507c_ntfy_set,
247 	.ntfy_clr = base507c_ntfy_clr,
248 	.ntfy_wait_begun = base507c_ntfy_wait_begun,
249 	.olut_core = 1,
250 	.xlut_set = base507c_xlut_set,
251 	.xlut_clr = base507c_xlut_clr,
252 	.image_set = base507c_image_set,
253 	.image_clr = base507c_image_clr,
254 	.update = base507c_update,
255 };
256 
257 int
258 base507c_new_(const struct nv50_wndw_func *func, const u32 *format,
259 	      struct nouveau_drm *drm, int head, s32 oclass, u32 interlock_data,
260 	      struct nv50_wndw **pwndw)
261 {
262 	struct nv50_disp_base_channel_dma_v0 args = {
263 		.head = head,
264 	};
265 	struct nv50_disp *disp = nv50_disp(drm->dev);
266 	struct nv50_wndw *wndw;
267 	int ret;
268 
269 	ret = nv50_wndw_new_(func, drm->dev, DRM_PLANE_TYPE_PRIMARY,
270 			     "base", head, format, BIT(head),
271 			     NV50_DISP_INTERLOCK_BASE, interlock_data, &wndw);
272 	if (*pwndw = wndw, ret)
273 		return ret;
274 
275 	ret = nv50_dmac_create(&drm->client.device, &disp->disp->object,
276 			       &oclass, head, &args, sizeof(args),
277 			       disp->sync->bo.offset, &wndw->wndw);
278 	if (ret) {
279 		NV_ERROR(drm, "base%04x allocation failed: %d\n", oclass, ret);
280 		return ret;
281 	}
282 
283 	ret = nvif_notify_init(&wndw->wndw.base.user, wndw->notify.func,
284 			       false, NV50_DISP_BASE_CHANNEL_DMA_V0_NTFY_UEVENT,
285 			       &(struct nvif_notify_uevent_req) {},
286 			       sizeof(struct nvif_notify_uevent_req),
287 			       sizeof(struct nvif_notify_uevent_rep),
288 			       &wndw->notify);
289 	if (ret)
290 		return ret;
291 
292 	wndw->ntfy = NV50_DISP_BASE_NTFY(wndw->id);
293 	wndw->sema = NV50_DISP_BASE_SEM0(wndw->id);
294 	wndw->data = 0x00000000;
295 	return 0;
296 }
297 
298 int
299 base507c_new(struct nouveau_drm *drm, int head, s32 oclass,
300 	     struct nv50_wndw **pwndw)
301 {
302 	return base507c_new_(&base507c, base507c_format, drm, head, oclass,
303 			     0x00000002 << (head * 8), pwndw);
304 }
305