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 "wndw.h"
23 #include "atom.h"
24 
25 #include <drm/drm_atomic_helper.h>
26 #include <drm/drm_plane_helper.h>
27 #include <nouveau_bo.h>
28 
29 #include <nvif/clc37e.h>
30 
31 static void
32 wndwc37e_ilut_clr(struct nv50_wndw *wndw)
33 {
34 	u32 *push;
35 	if ((push = evo_wait(&wndw->wndw, 2))) {
36 		evo_mthd(push, 0x02b8, 1);
37 		evo_data(push, 0x00000000);
38 		evo_kick(push, &wndw->wndw);
39 	}
40 }
41 
42 static void
43 wndwc37e_ilut_set(struct nv50_wndw *wndw, struct nv50_wndw_atom *asyw)
44 {
45 	u32 *push;
46 	if ((push = evo_wait(&wndw->wndw, 4))) {
47 		evo_mthd(push, 0x02b0, 3);
48 		evo_data(push, asyw->xlut.i.output_mode << 8 |
49 			       asyw->xlut.i.range << 4 |
50 			       asyw->xlut.i.size);
51 		evo_data(push, asyw->xlut.i.offset >> 8);
52 		evo_data(push, asyw->xlut.handle);
53 		evo_kick(push, &wndw->wndw);
54 	}
55 }
56 
57 static void
58 wndwc37e_ilut(struct nv50_wndw *wndw, struct nv50_wndw_atom *asyw)
59 {
60 	asyw->xlut.i.mode = 2;
61 	asyw->xlut.i.size = 0;
62 	asyw->xlut.i.range = 0;
63 	asyw->xlut.i.output_mode = 1;
64 	asyw->xlut.i.load = head907d_olut_load;
65 }
66 
67 void
68 wndwc37e_image_clr(struct nv50_wndw *wndw)
69 {
70 	u32 *push;
71 	if ((push = evo_wait(&wndw->wndw, 4))) {
72 		evo_mthd(push, 0x0308, 1);
73 		evo_data(push, 0x00000000);
74 		evo_mthd(push, 0x0240, 1);
75 		evo_data(push, 0x00000000);
76 		evo_kick(push, &wndw->wndw);
77 	}
78 }
79 
80 void
81 wndwc37e_image_set(struct nv50_wndw *wndw, struct nv50_wndw_atom *asyw)
82 {
83 	u32 *push;
84 
85 	if (!(push = evo_wait(&wndw->wndw, 25)))
86 		return;
87 
88 	evo_mthd(push, 0x0308, 1);
89 	evo_data(push, asyw->image.mode << 4 | asyw->image.interval);
90 	evo_mthd(push, 0x0224, 4);
91 	evo_data(push, asyw->image.h << 16 | asyw->image.w);
92 	evo_data(push, asyw->image.layout << 4 | asyw->image.blockh);
93 	evo_data(push, asyw->image.colorspace << 8 | asyw->image.format);
94 	evo_data(push, asyw->image.blocks[0] | (asyw->image.pitch[0] >> 6));
95 	evo_mthd(push, 0x0240, 1);
96 	evo_data(push, asyw->image.handle[0]);
97 	evo_mthd(push, 0x0260, 1);
98 	evo_data(push, asyw->image.offset[0] >> 8);
99 	evo_mthd(push, 0x0290, 1);
100 	evo_data(push, (asyw->state.src_y >> 16) << 16 |
101 		       (asyw->state.src_x >> 16));
102 	evo_mthd(push, 0x0298, 1);
103 	evo_data(push, (asyw->state.src_h >> 16) << 16 |
104 		       (asyw->state.src_w >> 16));
105 	evo_mthd(push, 0x02a4, 1);
106 	evo_data(push, asyw->state.crtc_h << 16 |
107 		       asyw->state.crtc_w);
108 
109 	/*XXX: Composition-related stuff.  Need to implement properly. */
110 	evo_mthd(push, 0x02ec, 1);
111 	evo_data(push, (2 - (wndw->id & 1)) << 4);
112 	evo_mthd(push, 0x02f4, 5);
113 	evo_data(push, 0x00000011);
114 	evo_data(push, 0xffff0000);
115 	evo_data(push, 0xffff0000);
116 	evo_data(push, 0xffff0000);
117 	evo_data(push, 0xffff0000);
118 	evo_kick(push, &wndw->wndw);
119 }
120 
121 void
122 wndwc37e_ntfy_clr(struct nv50_wndw *wndw)
123 {
124 	u32 *push;
125 	if ((push = evo_wait(&wndw->wndw, 2))) {
126 		evo_mthd(push, 0x021c, 1);
127 		evo_data(push, 0x00000000);
128 		evo_kick(push, &wndw->wndw);
129 	}
130 }
131 
132 void
133 wndwc37e_ntfy_set(struct nv50_wndw *wndw, struct nv50_wndw_atom *asyw)
134 {
135 	u32 *push;
136 	if ((push = evo_wait(&wndw->wndw, 3))) {
137 		evo_mthd(push, 0x021c, 2);
138 		evo_data(push, asyw->ntfy.handle);
139 		evo_data(push, asyw->ntfy.offset | asyw->ntfy.awaken);
140 		evo_kick(push, &wndw->wndw);
141 	}
142 }
143 
144 void
145 wndwc37e_sema_clr(struct nv50_wndw *wndw)
146 {
147 	u32 *push;
148 	if ((push = evo_wait(&wndw->wndw, 2))) {
149 		evo_mthd(push, 0x0218, 1);
150 		evo_data(push, 0x00000000);
151 		evo_kick(push, &wndw->wndw);
152 	}
153 }
154 
155 void
156 wndwc37e_sema_set(struct nv50_wndw *wndw, struct nv50_wndw_atom *asyw)
157 {
158 	u32 *push;
159 	if ((push = evo_wait(&wndw->wndw, 5))) {
160 		evo_mthd(push, 0x020c, 4);
161 		evo_data(push, asyw->sema.offset);
162 		evo_data(push, asyw->sema.acquire);
163 		evo_data(push, asyw->sema.release);
164 		evo_data(push, asyw->sema.handle);
165 		evo_kick(push, &wndw->wndw);
166 	}
167 }
168 
169 void
170 wndwc37e_update(struct nv50_wndw *wndw, u32 *interlock)
171 {
172 	u32 *push;
173 	if ((push = evo_wait(&wndw->wndw, 5))) {
174 		evo_mthd(push, 0x0370, 2);
175 		evo_data(push, interlock[NV50_DISP_INTERLOCK_CURS] << 1 |
176 			       interlock[NV50_DISP_INTERLOCK_CORE]);
177 		evo_data(push, interlock[NV50_DISP_INTERLOCK_WNDW]);
178 		evo_mthd(push, 0x0200, 1);
179 		if (interlock[NV50_DISP_INTERLOCK_WIMM] & wndw->interlock.data)
180 			evo_data(push, 0x00001001);
181 		else
182 			evo_data(push, 0x00000001);
183 		evo_kick(push, &wndw->wndw);
184 	}
185 }
186 
187 void
188 wndwc37e_release(struct nv50_wndw *wndw, struct nv50_wndw_atom *asyw,
189 		 struct nv50_head_atom *asyh)
190 {
191 }
192 
193 int
194 wndwc37e_acquire(struct nv50_wndw *wndw, struct nv50_wndw_atom *asyw,
195 		 struct nv50_head_atom *asyh)
196 {
197 	return drm_atomic_helper_check_plane_state(&asyw->state, &asyh->state,
198 						   DRM_PLANE_HELPER_NO_SCALING,
199 						   DRM_PLANE_HELPER_NO_SCALING,
200 						   true, true);
201 }
202 
203 static const u32
204 wndwc37e_format[] = {
205 	DRM_FORMAT_C8,
206 	DRM_FORMAT_YUYV,
207 	DRM_FORMAT_UYVY,
208 	DRM_FORMAT_XRGB8888,
209 	DRM_FORMAT_ARGB8888,
210 	DRM_FORMAT_RGB565,
211 	DRM_FORMAT_XRGB1555,
212 	DRM_FORMAT_ARGB1555,
213 	DRM_FORMAT_XBGR2101010,
214 	DRM_FORMAT_ABGR2101010,
215 	DRM_FORMAT_XBGR8888,
216 	DRM_FORMAT_ABGR8888,
217 	DRM_FORMAT_XRGB2101010,
218 	DRM_FORMAT_ARGB2101010,
219 	0
220 };
221 
222 static const struct nv50_wndw_func
223 wndwc37e = {
224 	.acquire = wndwc37e_acquire,
225 	.release = wndwc37e_release,
226 	.sema_set = wndwc37e_sema_set,
227 	.sema_clr = wndwc37e_sema_clr,
228 	.ntfy_set = wndwc37e_ntfy_set,
229 	.ntfy_clr = wndwc37e_ntfy_clr,
230 	.ntfy_reset = corec37d_ntfy_init,
231 	.ntfy_wait_begun = base507c_ntfy_wait_begun,
232 	.ilut = wndwc37e_ilut,
233 	.xlut_set = wndwc37e_ilut_set,
234 	.xlut_clr = wndwc37e_ilut_clr,
235 	.image_set = wndwc37e_image_set,
236 	.image_clr = wndwc37e_image_clr,
237 	.update = wndwc37e_update,
238 };
239 
240 int
241 wndwc37e_new_(const struct nv50_wndw_func *func, struct nouveau_drm *drm,
242 	      enum drm_plane_type type, int index, s32 oclass, u32 heads,
243 	      struct nv50_wndw **pwndw)
244 {
245 	struct nvc37e_window_channel_dma_v0 args = {
246 		.pushbuf = 0xb0007e00 | index,
247 		.index = index,
248 	};
249 	struct nv50_disp *disp = nv50_disp(drm->dev);
250 	struct nv50_wndw *wndw;
251 	int ret;
252 
253 	ret = nv50_wndw_new_(func, drm->dev, type, "wndw", index,
254 			     wndwc37e_format, heads, NV50_DISP_INTERLOCK_WNDW,
255 			     BIT(index), &wndw);
256 	if (*pwndw = wndw, ret)
257 		return ret;
258 
259 	ret = nv50_dmac_create(&drm->client.device, &disp->disp->object,
260 			       &oclass, 0, &args, sizeof(args),
261 			       disp->sync->bo.offset, &wndw->wndw);
262 	if (ret) {
263 		NV_ERROR(drm, "qndw%04x allocation failed: %d\n", oclass, ret);
264 		return ret;
265 	}
266 
267 	wndw->ntfy = NV50_DISP_WNDW_NTFY(wndw->id);
268 	wndw->sema = NV50_DISP_WNDW_SEM0(wndw->id);
269 	wndw->data = 0x00000000;
270 	return 0;
271 }
272 
273 int
274 wndwc37e_new(struct nouveau_drm *drm, enum drm_plane_type type, int index,
275 	     s32 oclass, struct nv50_wndw **pwndw)
276 {
277 	return wndwc37e_new_(&wndwc37e, drm, type, index, oclass,
278 			     BIT(index >> 1), pwndw);
279 }
280