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 #include <nvif/timer.h>
27 
28 #include <drm/drm_atomic_helper.h>
29 #include <drm/drm_fourcc.h>
30 #include <drm/drm_plane_helper.h>
31 
32 #include "nouveau_bo.h"
33 
34 void
35 base507c_update(struct nv50_wndw *wndw, u32 *interlock)
36 {
37 	u32 *push;
38 	if ((push = evo_wait(&wndw->wndw, 2))) {
39 		evo_mthd(push, 0x0080, 1);
40 		evo_data(push, interlock[NV50_DISP_INTERLOCK_CORE]);
41 		evo_kick(push, &wndw->wndw);
42 	}
43 }
44 
45 void
46 base507c_image_clr(struct nv50_wndw *wndw)
47 {
48 	u32 *push;
49 	if ((push = evo_wait(&wndw->wndw, 4))) {
50 		evo_mthd(push, 0x0084, 1);
51 		evo_data(push, 0x00000000);
52 		evo_mthd(push, 0x00c0, 1);
53 		evo_data(push, 0x00000000);
54 		evo_kick(push, &wndw->wndw);
55 	}
56 }
57 
58 static void
59 base507c_image_set(struct nv50_wndw *wndw, struct nv50_wndw_atom *asyw)
60 {
61 	u32 *push;
62 	if ((push = evo_wait(&wndw->wndw, 13))) {
63 		evo_mthd(push, 0x0084, 1);
64 		evo_data(push, asyw->image.mode << 8 |
65 			       asyw->image.interval << 4);
66 		evo_mthd(push, 0x00c0, 1);
67 		evo_data(push, asyw->image.handle[0]);
68 		if (asyw->image.format == 0xca) {
69 			evo_mthd(push, 0x0110, 2);
70 			evo_data(push, 1);
71 			evo_data(push, 0x6400);
72 		} else {
73 			evo_mthd(push, 0x0110, 2);
74 			evo_data(push, 0);
75 			evo_data(push, 0);
76 		}
77 		evo_mthd(push, 0x0800, 5);
78 		evo_data(push, asyw->image.offset[0] >> 8);
79 		evo_data(push, 0x00000000);
80 		evo_data(push, asyw->image.h << 16 | asyw->image.w);
81 		evo_data(push, asyw->image.layout << 20 |
82 			       (asyw->image.pitch[0] >> 8) << 8 |
83 			       asyw->image.blocks[0] << 8 |
84 			       asyw->image.blockh);
85 		evo_data(push, asyw->image.kind << 16 |
86 			       asyw->image.format << 8);
87 		evo_kick(push, &wndw->wndw);
88 	}
89 }
90 
91 void
92 base507c_xlut_clr(struct nv50_wndw *wndw)
93 {
94 	u32 *push;
95 	if ((push = evo_wait(&wndw->wndw, 2))) {
96 		evo_mthd(push, 0x00e0, 1);
97 		evo_data(push, 0x00000000);
98 		evo_kick(push, &wndw->wndw);
99 	}
100 }
101 
102 void
103 base507c_xlut_set(struct nv50_wndw *wndw, struct nv50_wndw_atom *asyw)
104 {
105 	u32 *push;
106 	if ((push = evo_wait(&wndw->wndw, 2))) {
107 		evo_mthd(push, 0x00e0, 1);
108 		evo_data(push, 0x40000000);
109 		evo_kick(push, &wndw->wndw);
110 	}
111 }
112 
113 int
114 base507c_ntfy_wait_begun(struct nouveau_bo *bo, u32 offset,
115 			 struct nvif_device *device)
116 {
117 	s64 time = nvif_msec(device, 2000ULL,
118 		u32 data = nouveau_bo_rd32(bo, offset / 4);
119 		if ((data & 0xc0000000) == 0x40000000)
120 			break;
121 		usleep_range(1, 2);
122 	);
123 	return time < 0 ? time : 0;
124 }
125 
126 void
127 base507c_ntfy_clr(struct nv50_wndw *wndw)
128 {
129 	u32 *push;
130 	if ((push = evo_wait(&wndw->wndw, 2))) {
131 		evo_mthd(push, 0x00a4, 1);
132 		evo_data(push, 0x00000000);
133 		evo_kick(push, &wndw->wndw);
134 	}
135 }
136 
137 void
138 base507c_ntfy_set(struct nv50_wndw *wndw, struct nv50_wndw_atom *asyw)
139 {
140 	u32 *push;
141 	if ((push = evo_wait(&wndw->wndw, 3))) {
142 		evo_mthd(push, 0x00a0, 2);
143 		evo_data(push, asyw->ntfy.awaken << 30 | asyw->ntfy.offset);
144 		evo_data(push, asyw->ntfy.handle);
145 		evo_kick(push, &wndw->wndw);
146 	}
147 }
148 
149 void
150 base507c_ntfy_reset(struct nouveau_bo *bo, u32 offset)
151 {
152 	nouveau_bo_wr32(bo, offset / 4, 0x00000000);
153 }
154 
155 void
156 base507c_sema_clr(struct nv50_wndw *wndw)
157 {
158 	u32 *push;
159 	if ((push = evo_wait(&wndw->wndw, 2))) {
160 		evo_mthd(push, 0x0094, 1);
161 		evo_data(push, 0x00000000);
162 		evo_kick(push, &wndw->wndw);
163 	}
164 }
165 
166 void
167 base507c_sema_set(struct nv50_wndw *wndw, struct nv50_wndw_atom *asyw)
168 {
169 	u32 *push;
170 	if ((push = evo_wait(&wndw->wndw, 5))) {
171 		evo_mthd(push, 0x0088, 4);
172 		evo_data(push, asyw->sema.offset);
173 		evo_data(push, asyw->sema.acquire);
174 		evo_data(push, asyw->sema.release);
175 		evo_data(push, asyw->sema.handle);
176 		evo_kick(push, &wndw->wndw);
177 	}
178 }
179 
180 void
181 base507c_release(struct nv50_wndw *wndw, struct nv50_wndw_atom *asyw,
182 		 struct nv50_head_atom *asyh)
183 {
184 	asyh->base.cpp = 0;
185 }
186 
187 int
188 base507c_acquire(struct nv50_wndw *wndw, struct nv50_wndw_atom *asyw,
189 		 struct nv50_head_atom *asyh)
190 {
191 	const struct drm_framebuffer *fb = asyw->state.fb;
192 	int ret;
193 
194 	ret = drm_atomic_helper_check_plane_state(&asyw->state, &asyh->state,
195 						  DRM_PLANE_HELPER_NO_SCALING,
196 						  DRM_PLANE_HELPER_NO_SCALING,
197 						  false, true);
198 	if (ret)
199 		return ret;
200 
201 	if (!wndw->func->ilut) {
202 		if ((asyh->base.cpp != 1) ^ (fb->format->cpp[0] != 1))
203 			asyh->state.color_mgmt_changed = true;
204 	}
205 
206 	asyh->base.depth = fb->format->depth;
207 	asyh->base.cpp = fb->format->cpp[0];
208 	asyh->base.x = asyw->state.src.x1 >> 16;
209 	asyh->base.y = asyw->state.src.y1 >> 16;
210 	asyh->base.w = asyw->state.fb->width;
211 	asyh->base.h = asyw->state.fb->height;
212 
213 	/* Some newer formats, esp FP16 ones, don't have a
214 	 * "depth". There's nothing that really makes sense there
215 	 * either, so just set it to the implicit bit count.
216 	 */
217 	if (!asyh->base.depth)
218 		asyh->base.depth = asyh->base.cpp * 8;
219 
220 	return 0;
221 }
222 
223 const u32
224 base507c_format[] = {
225 	DRM_FORMAT_C8,
226 	DRM_FORMAT_RGB565,
227 	DRM_FORMAT_XRGB1555,
228 	DRM_FORMAT_ARGB1555,
229 	DRM_FORMAT_XRGB8888,
230 	DRM_FORMAT_ARGB8888,
231 	DRM_FORMAT_XBGR2101010,
232 	DRM_FORMAT_ABGR2101010,
233 	DRM_FORMAT_XBGR8888,
234 	DRM_FORMAT_ABGR8888,
235 	DRM_FORMAT_XBGR16161616F,
236 	DRM_FORMAT_ABGR16161616F,
237 	0
238 };
239 
240 static const struct nv50_wndw_func
241 base507c = {
242 	.acquire = base507c_acquire,
243 	.release = base507c_release,
244 	.sema_set = base507c_sema_set,
245 	.sema_clr = base507c_sema_clr,
246 	.ntfy_reset = base507c_ntfy_reset,
247 	.ntfy_set = base507c_ntfy_set,
248 	.ntfy_clr = base507c_ntfy_clr,
249 	.ntfy_wait_begun = base507c_ntfy_wait_begun,
250 	.olut_core = 1,
251 	.xlut_set = base507c_xlut_set,
252 	.xlut_clr = base507c_xlut_clr,
253 	.image_set = base507c_image_set,
254 	.image_clr = base507c_image_clr,
255 	.update = base507c_update,
256 };
257 
258 int
259 base507c_new_(const struct nv50_wndw_func *func, const u32 *format,
260 	      struct nouveau_drm *drm, int head, s32 oclass, u32 interlock_data,
261 	      struct nv50_wndw **pwndw)
262 {
263 	struct nv50_disp_base_channel_dma_v0 args = {
264 		.head = head,
265 	};
266 	struct nv50_disp *disp = nv50_disp(drm->dev);
267 	struct nv50_wndw *wndw;
268 	int ret;
269 
270 	ret = nv50_wndw_new_(func, drm->dev, DRM_PLANE_TYPE_PRIMARY,
271 			     "base", head, format, BIT(head),
272 			     NV50_DISP_INTERLOCK_BASE, interlock_data, &wndw);
273 	if (*pwndw = wndw, ret)
274 		return ret;
275 
276 	ret = nv50_dmac_create(&drm->client.device, &disp->disp->object,
277 			       &oclass, head, &args, sizeof(args),
278 			       disp->sync->bo.offset, &wndw->wndw);
279 	if (ret) {
280 		NV_ERROR(drm, "base%04x allocation failed: %d\n", oclass, ret);
281 		return ret;
282 	}
283 
284 	ret = nvif_notify_init(&wndw->wndw.base.user, wndw->notify.func,
285 			       false, NV50_DISP_BASE_CHANNEL_DMA_V0_NTFY_UEVENT,
286 			       &(struct nvif_notify_uevent_req) {},
287 			       sizeof(struct nvif_notify_uevent_req),
288 			       sizeof(struct nvif_notify_uevent_rep),
289 			       &wndw->notify);
290 	if (ret)
291 		return ret;
292 
293 	wndw->ntfy = NV50_DISP_BASE_NTFY(wndw->id);
294 	wndw->sema = NV50_DISP_BASE_SEM0(wndw->id);
295 	wndw->data = 0x00000000;
296 	return 0;
297 }
298 
299 int
300 base507c_new(struct nouveau_drm *drm, int head, s32 oclass,
301 	     struct nv50_wndw **pwndw)
302 {
303 	return base507c_new_(&base507c, base507c_format, drm, head, oclass,
304 			     0x00000002 << (head * 8), pwndw);
305 }
306