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 "head.h" 23 #include "atom.h" 24 #include "core.h" 25 26 static void 27 headc57d_or(struct nv50_head *head, struct nv50_head_atom *asyh) 28 { 29 struct nv50_dmac *core = &nv50_disp(head->base.base.dev)->core->chan; 30 u32 *push; 31 if ((push = evo_wait(core, 2))) { 32 /*XXX: This is a dirty hack until OR depth handling is 33 * improved later for deep colour etc. 34 */ 35 switch (asyh->or.depth) { 36 case 6: asyh->or.depth = 5; break; 37 case 5: asyh->or.depth = 4; break; 38 case 2: asyh->or.depth = 1; break; 39 case 0: asyh->or.depth = 4; break; 40 default: 41 WARN_ON(1); 42 break; 43 } 44 45 evo_mthd(push, 0x2004 + (head->base.index * 0x400), 1); 46 evo_data(push, 0xfc000001 | 47 asyh->or.depth << 4 | 48 asyh->or.nvsync << 3 | 49 asyh->or.nhsync << 2); 50 evo_kick(push, core); 51 } 52 } 53 54 static void 55 headc57d_procamp(struct nv50_head *head, struct nv50_head_atom *asyh) 56 { 57 struct nv50_dmac *core = &nv50_disp(head->base.base.dev)->core->chan; 58 u32 *push; 59 if ((push = evo_wait(core, 2))) { 60 evo_mthd(push, 0x2000 + (head->base.index * 0x400), 1); 61 #if 0 62 evo_data(push, 0x80000000 | 63 asyh->procamp.sat.sin << 16 | 64 asyh->procamp.sat.cos << 4); 65 #else 66 evo_data(push, 0); 67 #endif 68 evo_kick(push, core); 69 } 70 } 71 72 void 73 headc57d_olut_clr(struct nv50_head *head) 74 { 75 struct nv50_dmac *core = &nv50_disp(head->base.base.dev)->core->chan; 76 u32 *push; 77 if ((push = evo_wait(core, 2))) { 78 evo_mthd(push, 0x2288 + (head->base.index * 0x400), 1); 79 evo_data(push, 0x00000000); 80 evo_kick(push, core); 81 } 82 } 83 84 void 85 headc57d_olut_set(struct nv50_head *head, struct nv50_head_atom *asyh) 86 { 87 struct nv50_dmac *core = &nv50_disp(head->base.base.dev)->core->chan; 88 u32 *push; 89 if ((push = evo_wait(core, 4))) { 90 evo_mthd(push, 0x2280 + (head->base.index * 0x400), 4); 91 evo_data(push, asyh->olut.size << 8 | 92 asyh->olut.mode << 2 | 93 asyh->olut.output_mode); 94 evo_data(push, 0xffffffff); /* FP_NORM_SCALE. */ 95 evo_data(push, asyh->olut.handle); 96 evo_data(push, asyh->olut.offset >> 8); 97 evo_kick(push, core); 98 } 99 } 100 101 static void 102 headc57d_olut_load_8(struct drm_color_lut *in, int size, void __iomem *mem) 103 { 104 memset_io(mem, 0x00, 0x20); /* VSS header. */ 105 mem += 0x20; 106 107 while (size--) { 108 u16 r = drm_color_lut_extract(in-> red + 0, 16); 109 u16 g = drm_color_lut_extract(in->green + 0, 16); 110 u16 b = drm_color_lut_extract(in-> blue + 0, 16); 111 u16 ri = 0, gi = 0, bi = 0, i; 112 113 if (in++, size) { 114 ri = (drm_color_lut_extract(in-> red, 16) - r) / 4; 115 gi = (drm_color_lut_extract(in->green, 16) - g) / 4; 116 bi = (drm_color_lut_extract(in-> blue, 16) - b) / 4; 117 } 118 119 for (i = 0; i < 4; i++, mem += 8) { 120 writew(r + ri * i, mem + 0); 121 writew(g + gi * i, mem + 2); 122 writew(b + bi * i, mem + 4); 123 } 124 } 125 126 /* INTERPOLATE modes require a "next" entry to interpolate with, 127 * so we replicate the last entry to deal with this for now. 128 */ 129 writew(readw(mem - 8), mem + 0); 130 writew(readw(mem - 6), mem + 2); 131 writew(readw(mem - 4), mem + 4); 132 } 133 134 static void 135 headc57d_olut_load(struct drm_color_lut *in, int size, void __iomem *mem) 136 { 137 memset_io(mem, 0x00, 0x20); /* VSS header. */ 138 mem += 0x20; 139 140 for (; size--; in++, mem += 0x08) { 141 writew(drm_color_lut_extract(in-> red, 16), mem + 0); 142 writew(drm_color_lut_extract(in->green, 16), mem + 2); 143 writew(drm_color_lut_extract(in-> blue, 16), mem + 4); 144 } 145 146 /* INTERPOLATE modes require a "next" entry to interpolate with, 147 * so we replicate the last entry to deal with this for now. 148 */ 149 writew(readw(mem - 8), mem + 0); 150 writew(readw(mem - 6), mem + 2); 151 writew(readw(mem - 4), mem + 4); 152 } 153 154 void 155 headc57d_olut(struct nv50_head *head, struct nv50_head_atom *asyh) 156 { 157 asyh->olut.mode = 2; /* DIRECT10 */ 158 asyh->olut.size = 4 /* VSS header. */ + 1024 + 1 /* Entries. */; 159 asyh->olut.output_mode = 1; /* INTERPOLATE_ENABLE. */ 160 if (asyh->state.gamma_lut && 161 asyh->state.gamma_lut->length / sizeof(struct drm_color_lut) == 256) 162 asyh->olut.load = headc57d_olut_load_8; 163 else 164 asyh->olut.load = headc57d_olut_load; 165 } 166 167 static void 168 headc57d_mode(struct nv50_head *head, struct nv50_head_atom *asyh) 169 { 170 struct nv50_dmac *core = &nv50_disp(head->base.base.dev)->core->chan; 171 struct nv50_head_mode *m = &asyh->mode; 172 u32 *push; 173 if ((push = evo_wait(core, 12))) { 174 evo_mthd(push, 0x2064 + (head->base.index * 0x400), 5); 175 evo_data(push, (m->v.active << 16) | m->h.active ); 176 evo_data(push, (m->v.synce << 16) | m->h.synce ); 177 evo_data(push, (m->v.blanke << 16) | m->h.blanke ); 178 evo_data(push, (m->v.blanks << 16) | m->h.blanks ); 179 evo_data(push, (m->v.blank2e << 16) | m->v.blank2s); 180 evo_mthd(push, 0x200c + (head->base.index * 0x400), 1); 181 evo_data(push, m->clock * 1000); 182 evo_mthd(push, 0x2028 + (head->base.index * 0x400), 1); 183 evo_data(push, m->clock * 1000); 184 /*XXX: HEAD_USAGE_BOUNDS, doesn't belong here. */ 185 evo_mthd(push, 0x2030 + (head->base.index * 0x400), 1); 186 evo_data(push, 0x00001014); 187 evo_kick(push, core); 188 } 189 } 190 191 const struct nv50_head_func 192 headc57d = { 193 .view = headc37d_view, 194 .mode = headc57d_mode, 195 .olut = headc57d_olut, 196 .olut_identity = true, 197 .olut_set = headc57d_olut_set, 198 .olut_clr = headc57d_olut_clr, 199 .curs_layout = head917d_curs_layout, 200 .curs_format = headc37d_curs_format, 201 .curs_set = headc37d_curs_set, 202 .curs_clr = headc37d_curs_clr, 203 .dither = headc37d_dither, 204 .procamp = headc57d_procamp, 205 .or = headc57d_or, 206 }; 207