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 #include <nvif/pushc37b.h>
31 
32 #include <nvhw/class/clc57e.h>
33 
34 static int
35 wndwc57e_image_set(struct nv50_wndw *wndw, struct nv50_wndw_atom *asyw)
36 {
37 	struct nvif_push *push = wndw->wndw.push;
38 	int ret;
39 
40 	if ((ret = PUSH_WAIT(push, 17)))
41 		return ret;
42 
43 	PUSH_MTHD(push, NVC57E, SET_PRESENT_CONTROL,
44 		  NVVAL(NVC57E, SET_PRESENT_CONTROL, MIN_PRESENT_INTERVAL, asyw->image.interval) |
45 		  NVVAL(NVC57E, SET_PRESENT_CONTROL, BEGIN_MODE, asyw->image.mode) |
46 		  NVDEF(NVC57E, SET_PRESENT_CONTROL, TIMESTAMP_MODE, DISABLE));
47 
48 	PUSH_MTHD(push, NVC57E, SET_SIZE,
49 		  NVVAL(NVC57E, SET_SIZE, WIDTH, asyw->image.w) |
50 		  NVVAL(NVC57E, SET_SIZE, HEIGHT, asyw->image.h),
51 
52 				SET_STORAGE,
53 		  NVVAL(NVC57E, SET_STORAGE, BLOCK_HEIGHT, asyw->image.blockh) |
54 		  NVVAL(NVC57E, SET_STORAGE, MEMORY_LAYOUT, asyw->image.layout),
55 
56 				SET_PARAMS,
57 		  NVVAL(NVC57E, SET_PARAMS, FORMAT, asyw->image.format) |
58 		  NVDEF(NVC57E, SET_PARAMS, CLAMP_BEFORE_BLEND, DISABLE) |
59 		  NVDEF(NVC57E, SET_PARAMS, SWAP_UV, DISABLE) |
60 		  NVDEF(NVC57E, SET_PARAMS, FMT_ROUNDING_MODE, ROUND_TO_NEAREST),
61 
62 				SET_PLANAR_STORAGE(0),
63 		  NVVAL(NVC57E, SET_PLANAR_STORAGE, PITCH, asyw->image.blocks[0]) |
64 		  NVVAL(NVC57E, SET_PLANAR_STORAGE, PITCH, asyw->image.pitch[0] >> 6));
65 
66 	PUSH_MTHD(push, NVC57E, SET_CONTEXT_DMA_ISO(0), asyw->image.handle, 1);
67 	PUSH_MTHD(push, NVC57E, SET_OFFSET(0), asyw->image.offset[0] >> 8);
68 
69 	PUSH_MTHD(push, NVC57E, SET_POINT_IN(0),
70 		  NVVAL(NVC57E, SET_POINT_IN, X, asyw->state.src_x >> 16) |
71 		  NVVAL(NVC57E, SET_POINT_IN, Y, asyw->state.src_y >> 16));
72 
73 	PUSH_MTHD(push, NVC57E, SET_SIZE_IN,
74 		  NVVAL(NVC57E, SET_SIZE_IN, WIDTH, asyw->state.src_w >> 16) |
75 		  NVVAL(NVC57E, SET_SIZE_IN, HEIGHT, asyw->state.src_h >> 16));
76 
77 	PUSH_MTHD(push, NVC57E, SET_SIZE_OUT,
78 		  NVVAL(NVC57E, SET_SIZE_OUT, WIDTH, asyw->state.crtc_w) |
79 		  NVVAL(NVC57E, SET_SIZE_OUT, HEIGHT, asyw->state.crtc_h));
80 	return 0;
81 }
82 
83 static int
84 wndwc57e_csc_clr(struct nv50_wndw *wndw)
85 {
86 	struct nvif_push *push = wndw->wndw.push;
87 	const u32 identity[12] = {
88 		0x00010000, 0x00000000, 0x00000000, 0x00000000,
89 		0x00000000, 0x00010000, 0x00000000, 0x00000000,
90 		0x00000000, 0x00000000, 0x00010000, 0x00000000,
91 	};
92 	int ret;
93 
94 	if ((ret = PUSH_WAIT(push, 1 + ARRAY_SIZE(identity))))
95 		return ret;
96 
97 	PUSH_MTHD(push, NVC57E, SET_FMT_COEFFICIENT_C00, identity, ARRAY_SIZE(identity));
98 	return 0;
99 }
100 
101 static int
102 wndwc57e_csc_set(struct nv50_wndw *wndw, struct nv50_wndw_atom *asyw)
103 {
104 	struct nvif_push *push = wndw->wndw.push;
105 	int ret;
106 
107 	if ((ret = PUSH_WAIT(push, 13)))
108 		return ret;
109 
110 	PUSH_MTHD(push, NVC57E, SET_FMT_COEFFICIENT_C00, asyw->csc.matrix, 12);
111 	return 0;
112 }
113 
114 static int
115 wndwc57e_ilut_clr(struct nv50_wndw *wndw)
116 {
117 	struct nvif_push *push = wndw->wndw.push;
118 	int ret;
119 
120 	if ((ret = PUSH_WAIT(push, 2)))
121 		return ret;
122 
123 	PUSH_MTHD(push, NVC57E, SET_CONTEXT_DMA_ILUT, 0x00000000);
124 	return 0;
125 }
126 
127 static int
128 wndwc57e_ilut_set(struct nv50_wndw *wndw, struct nv50_wndw_atom *asyw)
129 {
130 	struct nvif_push *push = wndw->wndw.push;
131 	int ret;
132 
133 	if ((ret = PUSH_WAIT(push, 4)))
134 		return ret;
135 
136 	PUSH_MTHD(push, NVC57E, SET_ILUT_CONTROL,
137 		  NVVAL(NVC57E, SET_ILUT_CONTROL, SIZE, asyw->xlut.i.size) |
138 		  NVVAL(NVC57E, SET_ILUT_CONTROL, MODE, asyw->xlut.i.mode) |
139 		  NVVAL(NVC57E, SET_ILUT_CONTROL, INTERPOLATE, asyw->xlut.i.output_mode),
140 
141 				SET_CONTEXT_DMA_ILUT, asyw->xlut.handle,
142 				SET_OFFSET_ILUT, asyw->xlut.i.offset >> 8);
143 	return 0;
144 }
145 
146 static u16
147 fixedU0_16_FP16(u16 fixed)
148 {
149         int sign = 0, exp = 0, man = 0;
150         if (fixed) {
151                 while (--exp && !(fixed & 0x8000))
152                         fixed <<= 1;
153                 man = ((fixed << 1) & 0xffc0) >> 6;
154                 exp += 15;
155         }
156         return (sign << 15) | (exp << 10) | man;
157 }
158 
159 static void
160 wndwc57e_ilut_load(struct drm_color_lut *in, int size, void __iomem *mem)
161 {
162 	memset_io(mem, 0x00, 0x20); /* VSS header. */
163 	mem += 0x20;
164 
165 	for (; size--; in++, mem += 0x08) {
166 		u16 r = fixedU0_16_FP16(drm_color_lut_extract(in->  red, 16));
167 		u16 g = fixedU0_16_FP16(drm_color_lut_extract(in->green, 16));
168 		u16 b = fixedU0_16_FP16(drm_color_lut_extract(in-> blue, 16));
169 		writew(r, mem + 0);
170 		writew(g, mem + 2);
171 		writew(b, mem + 4);
172 	}
173 
174 	/* INTERPOLATE modes require a "next" entry to interpolate with,
175 	 * so we replicate the last entry to deal with this for now.
176 	 */
177 	writew(readw(mem - 8), mem + 0);
178 	writew(readw(mem - 6), mem + 2);
179 	writew(readw(mem - 4), mem + 4);
180 }
181 
182 static bool
183 wndwc57e_ilut(struct nv50_wndw *wndw, struct nv50_wndw_atom *asyw, int size)
184 {
185 	if (size = size ? size : 1024, size != 256 && size != 1024)
186 		return false;
187 
188 	if (size == 256)
189 		asyw->xlut.i.mode = NVC57E_SET_ILUT_CONTROL_MODE_DIRECT8;
190 	else
191 		asyw->xlut.i.mode = NVC57E_SET_ILUT_CONTROL_MODE_DIRECT10;
192 
193 	asyw->xlut.i.size = 4 /* VSS header. */ + size + 1 /* Entries. */;
194 	asyw->xlut.i.output_mode = NVC57E_SET_ILUT_CONTROL_INTERPOLATE_DISABLE;
195 	asyw->xlut.i.load = wndwc57e_ilut_load;
196 	return true;
197 }
198 
199 /****************************************************************
200  *            Log2(block height) ----------------------------+  *
201  *            Page Kind ----------------------------------+  |  *
202  *            Gob Height/Page Kind Generation ------+     |  |  *
203  *                          Sector layout -------+  |     |  |  *
204  *                          Compression ------+  |  |     |  |  */
205 const u64 wndwc57e_modifiers[] = { /*         |  |  |     |  |  */
206 	DRM_FORMAT_MOD_NVIDIA_BLOCK_LINEAR_2D(0, 1, 2, 0x06, 0),
207 	DRM_FORMAT_MOD_NVIDIA_BLOCK_LINEAR_2D(0, 1, 2, 0x06, 1),
208 	DRM_FORMAT_MOD_NVIDIA_BLOCK_LINEAR_2D(0, 1, 2, 0x06, 2),
209 	DRM_FORMAT_MOD_NVIDIA_BLOCK_LINEAR_2D(0, 1, 2, 0x06, 3),
210 	DRM_FORMAT_MOD_NVIDIA_BLOCK_LINEAR_2D(0, 1, 2, 0x06, 4),
211 	DRM_FORMAT_MOD_NVIDIA_BLOCK_LINEAR_2D(0, 1, 2, 0x06, 5),
212 	DRM_FORMAT_MOD_LINEAR,
213 	DRM_FORMAT_MOD_INVALID
214 };
215 
216 static const struct nv50_wndw_func
217 wndwc57e = {
218 	.acquire = wndwc37e_acquire,
219 	.release = wndwc37e_release,
220 	.sema_set = wndwc37e_sema_set,
221 	.sema_clr = wndwc37e_sema_clr,
222 	.ntfy_set = wndwc37e_ntfy_set,
223 	.ntfy_clr = wndwc37e_ntfy_clr,
224 	.ntfy_reset = corec37d_ntfy_init,
225 	.ntfy_wait_begun = base507c_ntfy_wait_begun,
226 	.ilut = wndwc57e_ilut,
227 	.ilut_identity = true,
228 	.ilut_size = 1024,
229 	.xlut_set = wndwc57e_ilut_set,
230 	.xlut_clr = wndwc57e_ilut_clr,
231 	.csc = base907c_csc,
232 	.csc_set = wndwc57e_csc_set,
233 	.csc_clr = wndwc57e_csc_clr,
234 	.image_set = wndwc57e_image_set,
235 	.image_clr = wndwc37e_image_clr,
236 	.blend_set = wndwc37e_blend_set,
237 	.update = wndwc37e_update,
238 };
239 
240 int
241 wndwc57e_new(struct nouveau_drm *drm, enum drm_plane_type type, int index,
242 	     s32 oclass, struct nv50_wndw **pwndw)
243 {
244 	return wndwc37e_new_(&wndwc57e, drm, type, index, oclass,
245 			     BIT(index >> 1), pwndw);
246 }
247