5396e3707cc440122ed4d171601fdcec6eb33a7d
[platform/kernel/linux-starfive.git] / drivers / gpu / drm / nouveau / dispnv50 / base907c.c
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/push507c.h>
25
26 #include <nvhw/class/cl907c.h>
27
28 static int
29 base907c_image_set(struct nv50_wndw *wndw, struct nv50_wndw_atom *asyw)
30 {
31         struct nvif_push *push = wndw->wndw.push;
32         int ret;
33
34         if ((ret = PUSH_WAIT(push, 10)))
35                 return ret;
36
37         PUSH_MTHD(push, NV907C, SET_PRESENT_CONTROL,
38                   NVVAL(NV907C, SET_PRESENT_CONTROL, BEGIN_MODE, asyw->image.mode) |
39                   NVDEF(NV907C, SET_PRESENT_CONTROL, TIMESTAMP_MODE, DISABLE) |
40                   NVVAL(NV907C, SET_PRESENT_CONTROL, MIN_PRESENT_INTERVAL, asyw->image.interval));
41
42         PUSH_MTHD(push, NV907C, SET_CONTEXT_DMAS_ISO(0), asyw->image.handle, 1);
43
44         PUSH_MTHD(push, NV907C, SURFACE_SET_OFFSET(0, 0), asyw->image.offset[0] >> 8,
45                                 SURFACE_SET_OFFSET(0, 1), 0x00000000,
46
47                                 SURFACE_SET_SIZE(0),
48                   NVVAL(NV907C, SURFACE_SET_SIZE, WIDTH, asyw->image.w) |
49                   NVVAL(NV907C, SURFACE_SET_SIZE, HEIGHT, asyw->image.h),
50
51                                 SURFACE_SET_STORAGE(0),
52                   NVVAL(NV907C, SURFACE_SET_STORAGE, BLOCK_HEIGHT, asyw->image.blockh) |
53                   NVVAL(NV907C, SURFACE_SET_STORAGE, PITCH, asyw->image.pitch[0] >> 8) |
54                   NVVAL(NV907C, SURFACE_SET_STORAGE, PITCH, asyw->image.blocks[0]) |
55                   NVVAL(NV907C, SURFACE_SET_STORAGE, MEMORY_LAYOUT, asyw->image.layout),
56
57                                 SURFACE_SET_PARAMS(0),
58                   NVVAL(NV907C, SURFACE_SET_PARAMS, FORMAT, asyw->image.format) |
59                   NVDEF(NV907C, SURFACE_SET_PARAMS, SUPER_SAMPLE, X1_AA) |
60                   NVDEF(NV907C, SURFACE_SET_PARAMS, GAMMA, LINEAR) |
61                   NVDEF(NV907C, SURFACE_SET_PARAMS, LAYOUT, FRM));
62         return 0;
63 }
64
65 static int
66 base907c_xlut_clr(struct nv50_wndw *wndw)
67 {
68         struct nvif_push *push = wndw->wndw.push;
69         int ret;
70
71         if ((ret = PUSH_WAIT(push, 6)))
72                 return ret;
73
74         PUSH_MTHD(push, NV907C, SET_BASE_LUT_LO,
75                   NVDEF(NV907C, SET_BASE_LUT_LO, ENABLE, DISABLE));
76
77         PUSH_MTHD(push, NV907C, SET_OUTPUT_LUT_LO,
78                   NVDEF(NV907C, SET_OUTPUT_LUT_LO, ENABLE, DISABLE));
79
80         PUSH_MTHD(push, NV907C, SET_CONTEXT_DMA_LUT, 0x00000000);
81         return 0;
82 }
83
84 static int
85 base907c_xlut_set(struct nv50_wndw *wndw, struct nv50_wndw_atom *asyw)
86 {
87         struct nvif_push *push = wndw->wndw.push;
88         int ret;
89
90         if ((ret = PUSH_WAIT(push, 6)))
91                 return ret;
92
93         PUSH_MTHD(push, NV907C, SET_BASE_LUT_LO,
94                   NVVAL(NV907C, SET_BASE_LUT_LO, ENABLE, asyw->xlut.i.enable) |
95                   NVVAL(NV907C, SET_BASE_LUT_LO, MODE, asyw->xlut.i.mode),
96
97                                 SET_BASE_LUT_HI, asyw->xlut.i.offset >> 8,
98
99                                 SET_OUTPUT_LUT_LO,
100                   NVDEF(NV907C, SET_OUTPUT_LUT_LO, ENABLE, USE_CORE_LUT));
101
102         PUSH_MTHD(push, NV907C, SET_CONTEXT_DMA_LUT, asyw->xlut.handle);
103         return 0;
104 }
105
106 static bool
107 base907c_ilut(struct nv50_wndw *wndw, struct nv50_wndw_atom *asyw, int size)
108 {
109         if (size != 256 && size != 1024)
110                 return false;
111
112         if (size == 1024)
113                 asyw->xlut.i.mode = NV907C_SET_BASE_LUT_LO_MODE_INTERPOLATE_1025_UNITY_RANGE;
114         else
115                 asyw->xlut.i.mode = NV907C_SET_BASE_LUT_LO_MODE_INTERPOLATE_257_UNITY_RANGE;
116
117         asyw->xlut.i.enable = NV907C_SET_BASE_LUT_LO_ENABLE_ENABLE;
118         asyw->xlut.i.load = head907d_olut_load;
119         return true;
120 }
121
122 static inline u32
123 csc_drm_to_base(u64 in)
124 {
125         /* base takes a 19-bit 2's complement value in S3.16 format */
126         bool sign = in & BIT_ULL(63);
127         u32 integer = (in >> 32) & 0x7fffffff;
128         u32 fraction = in & 0xffffffff;
129
130         if (integer >= 4) {
131                 return (1 << 18) - (sign ? 0 : 1);
132         } else {
133                 u32 ret = (integer << 16) | (fraction >> 16);
134                 if (sign)
135                         ret = -ret;
136                 return ret & GENMASK(18, 0);
137         }
138 }
139
140 void
141 base907c_csc(struct nv50_wndw *wndw, struct nv50_wndw_atom *asyw,
142              const struct drm_color_ctm *ctm)
143 {
144         int i, j;
145
146         for (j = 0; j < 3; j++) {
147                 for (i = 0; i < 4; i++) {
148                         u32 *val = &asyw->csc.matrix[j * 4 + i];
149                         /* DRM does not support constant offset, while
150                          * HW CSC does. Skip it. */
151                         if (i == 3) {
152                                 *val = 0;
153                         } else {
154                                 *val = csc_drm_to_base(ctm->matrix[j * 3 + i]);
155                         }
156                 }
157         }
158 }
159
160 static int
161 base907c_csc_clr(struct nv50_wndw *wndw)
162 {
163         struct nvif_push *push = wndw->wndw.push;
164         int ret;
165
166         if ((ret = PUSH_WAIT(push, 2)))
167                 return ret;
168
169         PUSH_MTHD(push, NV907C, SET_CSC_RED2RED,
170                   NVDEF(NV907C, SET_CSC_RED2RED, OWNER, CORE));
171         return 0;
172 }
173
174 static int
175 base907c_csc_set(struct nv50_wndw *wndw, struct nv50_wndw_atom *asyw)
176 {
177         struct nvif_push *push = wndw->wndw.push;
178         int ret;
179
180         if ((ret = PUSH_WAIT(push, 13)))
181                 return ret;
182
183         PUSH_MTHD(push, NV907C, SET_CSC_RED2RED,
184                   NVDEF(NV907C, SET_CSC_RED2RED, OWNER, BASE) |
185                   NVVAL(NV907C, SET_CSC_RED2RED, COEFF, asyw->csc.matrix[0]),
186
187                                 SET_CSC_GRN2RED, &asyw->csc.matrix[1], 11);
188         return 0;
189 }
190
191 const struct nv50_wndw_func
192 base907c = {
193         .acquire = base507c_acquire,
194         .release = base507c_release,
195         .sema_set = base507c_sema_set,
196         .sema_clr = base507c_sema_clr,
197         .ntfy_reset = base507c_ntfy_reset,
198         .ntfy_set = base507c_ntfy_set,
199         .ntfy_clr = base507c_ntfy_clr,
200         .ntfy_wait_begun = base507c_ntfy_wait_begun,
201         .ilut = base907c_ilut,
202         .csc = base907c_csc,
203         .csc_set = base907c_csc_set,
204         .csc_clr = base907c_csc_clr,
205         .olut_core = true,
206         .ilut_size = 1024,
207         .xlut_set = base907c_xlut_set,
208         .xlut_clr = base907c_xlut_clr,
209         .image_set = base907c_image_set,
210         .image_clr = base507c_image_clr,
211         .update = base507c_update,
212 };
213
214 int
215 base907c_new(struct nouveau_drm *drm, int head, s32 oclass,
216              struct nv50_wndw **pwndw)
217 {
218         return base507c_new_(&base907c, base507c_format, drm, head, oclass,
219                              0x00000002 << (head * 4), pwndw);
220 }