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 <nouveau_bo.h>
27
28#include <nvif/pushc37b.h>
29
30#include <nvhw/class/clc57e.h>
31
32static int
33wndwc57e_image_set(struct nv50_wndw *wndw, struct nv50_wndw_atom *asyw)
34{
35 struct nvif_push *push = wndw->wndw.push;
36 int ret;
37
38 if ((ret = PUSH_WAIT(push, 17)))
39 return ret;
40
41 PUSH_MTHD(push, NVC57E, SET_PRESENT_CONTROL,
42 NVVAL(NVC57E, SET_PRESENT_CONTROL, MIN_PRESENT_INTERVAL, asyw->image.interval) |
43 NVVAL(NVC57E, SET_PRESENT_CONTROL, BEGIN_MODE, asyw->image.mode) |
44 NVDEF(NVC57E, SET_PRESENT_CONTROL, TIMESTAMP_MODE, DISABLE));
45
46 PUSH_MTHD(push, NVC57E, SET_SIZE,
47 NVVAL(NVC57E, SET_SIZE, WIDTH, asyw->image.w) |
48 NVVAL(NVC57E, SET_SIZE, HEIGHT, asyw->image.h),
49
50 SET_STORAGE,
51 NVVAL(NVC57E, SET_STORAGE, BLOCK_HEIGHT, asyw->image.blockh) |
52 NVVAL(NVC57E, SET_STORAGE, MEMORY_LAYOUT, asyw->image.layout),
53
54 SET_PARAMS,
55 NVVAL(NVC57E, SET_PARAMS, FORMAT, asyw->image.format) |
56 NVDEF(NVC57E, SET_PARAMS, CLAMP_BEFORE_BLEND, DISABLE) |
57 NVDEF(NVC57E, SET_PARAMS, SWAP_UV, DISABLE) |
58 NVDEF(NVC57E, SET_PARAMS, FMT_ROUNDING_MODE, ROUND_TO_NEAREST),
59
60 SET_PLANAR_STORAGE(0),
61 NVVAL(NVC57E, SET_PLANAR_STORAGE, PITCH, asyw->image.blocks[0]) |
62 NVVAL(NVC57E, SET_PLANAR_STORAGE, PITCH, asyw->image.pitch[0] >> 6));
63
64 PUSH_MTHD(push, NVC57E, SET_CONTEXT_DMA_ISO(0), asyw->image.handle, 1);
65 PUSH_MTHD(push, NVC57E, SET_OFFSET(0), asyw->image.offset[0] >> 8);
66
67 PUSH_MTHD(push, NVC57E, SET_POINT_IN(0),
68 NVVAL(NVC57E, SET_POINT_IN, X, asyw->state.src_x >> 16) |
69 NVVAL(NVC57E, SET_POINT_IN, Y, asyw->state.src_y >> 16));
70
71 PUSH_MTHD(push, NVC57E, SET_SIZE_IN,
72 NVVAL(NVC57E, SET_SIZE_IN, WIDTH, asyw->state.src_w >> 16) |
73 NVVAL(NVC57E, SET_SIZE_IN, HEIGHT, asyw->state.src_h >> 16));
74
75 PUSH_MTHD(push, NVC57E, SET_SIZE_OUT,
76 NVVAL(NVC57E, SET_SIZE_OUT, WIDTH, asyw->state.crtc_w) |
77 NVVAL(NVC57E, SET_SIZE_OUT, HEIGHT, asyw->state.crtc_h));
78 return 0;
79}
80
81int
82wndwc57e_csc_clr(struct nv50_wndw *wndw)
83{
84 struct nvif_push *push = wndw->wndw.push;
85 const u32 identity[12] = {
86 0x00010000, 0x00000000, 0x00000000, 0x00000000,
87 0x00000000, 0x00010000, 0x00000000, 0x00000000,
88 0x00000000, 0x00000000, 0x00010000, 0x00000000,
89 };
90 int ret;
91
92 if ((ret = PUSH_WAIT(push, 1 + ARRAY_SIZE(identity))))
93 return ret;
94
95 PUSH_MTHD(push, NVC57E, SET_FMT_COEFFICIENT_C00, identity, ARRAY_SIZE(identity));
96 return 0;
97}
98
99int
100wndwc57e_csc_set(struct nv50_wndw *wndw, struct nv50_wndw_atom *asyw)
101{
102 struct nvif_push *push = wndw->wndw.push;
103 int ret;
104
105 if ((ret = PUSH_WAIT(push, 13)))
106 return ret;
107
108 PUSH_MTHD(push, NVC57E, SET_FMT_COEFFICIENT_C00, asyw->csc.matrix, 12);
109 return 0;
110}
111
112int
113wndwc57e_ilut_clr(struct nv50_wndw *wndw)
114{
115 struct nvif_push *push = wndw->wndw.push;
116 int ret;
117
118 if ((ret = PUSH_WAIT(push, 2)))
119 return ret;
120
121 PUSH_MTHD(push, NVC57E, SET_CONTEXT_DMA_ILUT, 0x00000000);
122 return 0;
123}
124
125int
126wndwc57e_ilut_set(struct nv50_wndw *wndw, struct nv50_wndw_atom *asyw)
127{
128 struct nvif_push *push = wndw->wndw.push;
129 int ret;
130
131 if ((ret = PUSH_WAIT(push, 4)))
132 return ret;
133
134 PUSH_MTHD(push, NVC57E, SET_ILUT_CONTROL,
135 NVVAL(NVC57E, SET_ILUT_CONTROL, SIZE, asyw->xlut.i.size) |
136 NVVAL(NVC57E, SET_ILUT_CONTROL, MODE, asyw->xlut.i.mode) |
137 NVVAL(NVC57E, SET_ILUT_CONTROL, INTERPOLATE, asyw->xlut.i.output_mode),
138
139 SET_CONTEXT_DMA_ILUT, asyw->xlut.handle,
140 SET_OFFSET_ILUT, asyw->xlut.i.offset >> 8);
141 return 0;
142}
143
144static u16
145fixedU0_16_FP16(u16 fixed)
146{
147 int sign = 0, exp = 0, man = 0;
148 if (fixed) {
149 while (--exp && !(fixed & 0x8000))
150 fixed <<= 1;
151 man = ((fixed << 1) & 0xffc0) >> 6;
152 exp += 15;
153 }
154 return (sign << 15) | (exp << 10) | man;
155}
156
157static void
158wndwc57e_ilut_load(struct drm_color_lut *in, int size, void __iomem *mem)
159{
160 memset_io(mem, 0x00, 0x20); /* VSS header. */
161 mem += 0x20;
162
163 for (; size--; in++, mem += 0x08) {
164 u16 r = fixedU0_16_FP16(fixed: drm_color_lut_extract(user_input: in-> red, bit_precision: 16));
165 u16 g = fixedU0_16_FP16(fixed: drm_color_lut_extract(user_input: in->green, bit_precision: 16));
166 u16 b = fixedU0_16_FP16(fixed: drm_color_lut_extract(user_input: in-> blue, bit_precision: 16));
167 writew(r, mem + 0);
168 writew(g, mem + 2);
169 writew(b, mem + 4);
170 }
171
172 /* INTERPOLATE modes require a "next" entry to interpolate with,
173 * so we replicate the last entry to deal with this for now.
174 */
175 writew(readw(mem - 8), mem + 0);
176 writew(readw(mem - 6), mem + 2);
177 writew(readw(mem - 4), mem + 4);
178}
179
180void
181wndwc57e_ilut(struct nv50_wndw *wndw, struct nv50_wndw_atom *asyw, int size)
182{
183 if (!size)
184 size = 1024;
185
186 if (size == 256)
187 asyw->xlut.i.mode = NVC57E_SET_ILUT_CONTROL_MODE_DIRECT8;
188 else
189 asyw->xlut.i.mode = NVC57E_SET_ILUT_CONTROL_MODE_DIRECT10;
190
191 asyw->xlut.i.size = 4 /* VSS header. */ + size + 1 /* Entries. */;
192 asyw->xlut.i.output_mode = NVC57E_SET_ILUT_CONTROL_INTERPOLATE_DISABLE;
193 asyw->xlut.i.load = wndwc57e_ilut_load;
194}
195
196/****************************************************************
197 * Log2(block height) ----------------------------+ *
198 * Page Kind ----------------------------------+ | *
199 * Gob Height/Page Kind Generation ------+ | | *
200 * Sector layout -------+ | | | *
201 * Compression ------+ | | | | */
202const u64 wndwc57e_modifiers[] = { /* | | | | | */
203 DRM_FORMAT_MOD_NVIDIA_BLOCK_LINEAR_2D(0, 1, 2, 0x06, 0),
204 DRM_FORMAT_MOD_NVIDIA_BLOCK_LINEAR_2D(0, 1, 2, 0x06, 1),
205 DRM_FORMAT_MOD_NVIDIA_BLOCK_LINEAR_2D(0, 1, 2, 0x06, 2),
206 DRM_FORMAT_MOD_NVIDIA_BLOCK_LINEAR_2D(0, 1, 2, 0x06, 3),
207 DRM_FORMAT_MOD_NVIDIA_BLOCK_LINEAR_2D(0, 1, 2, 0x06, 4),
208 DRM_FORMAT_MOD_NVIDIA_BLOCK_LINEAR_2D(0, 1, 2, 0x06, 5),
209 DRM_FORMAT_MOD_LINEAR,
210 DRM_FORMAT_MOD_INVALID
211};
212
213static const struct nv50_wndw_func
214wndwc57e = {
215 .acquire = wndwc37e_acquire,
216 .release = wndwc37e_release,
217 .sema_set = wndwc37e_sema_set,
218 .sema_clr = wndwc37e_sema_clr,
219 .ntfy_set = wndwc37e_ntfy_set,
220 .ntfy_clr = wndwc37e_ntfy_clr,
221 .ntfy_reset = corec37d_ntfy_init,
222 .ntfy_wait_begun = base507c_ntfy_wait_begun,
223 .ilut = wndwc57e_ilut,
224 .ilut_identity = true,
225 .ilut_size = 1024,
226 .xlut_set = wndwc57e_ilut_set,
227 .xlut_clr = wndwc57e_ilut_clr,
228 .csc = base907c_csc,
229 .csc_set = wndwc57e_csc_set,
230 .csc_clr = wndwc57e_csc_clr,
231 .image_set = wndwc57e_image_set,
232 .image_clr = wndwc37e_image_clr,
233 .blend_set = wndwc37e_blend_set,
234 .update = wndwc37e_update,
235};
236
237int
238wndwc57e_new(struct nouveau_drm *drm, enum drm_plane_type type, int index,
239 s32 oclass, struct nv50_wndw **pwndw)
240{
241 return wndwc37e_new_(&wndwc57e, drm, type, index, oclass,
242 BIT(index >> 1), pwndw);
243}
244

source code of linux/drivers/gpu/drm/nouveau/dispnv50/wndwc57e.c