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#include <nvif/pushc37b.h> 27 28#include <nvhw/class/clc57d.h> 29 30static int 31headc57d_or(struct nv50_head *head, struct nv50_head_atom *asyh) 32{ 33 struct nvif_push *push = nv50_disp(head->base.base.dev)->core->chan.push; 34 const int i = head->base.index; 35 u8 depth; 36 int ret; 37 38 /*XXX: This is a dirty hack until OR depth handling is 39 * improved later for deep colour etc. 40 */ 41 switch (asyh->or.depth) { 42 case 6: depth = 5; break; 43 case 5: depth = 4; break; 44 case 2: depth = 1; break; 45 case 0: depth = 4; break; 46 default: 47 depth = asyh->or.depth; 48 WARN_ON(1); 49 break; 50 } 51 52 if ((ret = PUSH_WAIT(push, 2))) 53 return ret; 54 55 PUSH_MTHD(push, NVC57D, HEAD_SET_CONTROL_OUTPUT_RESOURCE(i), 56 NVVAL(NVC57D, HEAD_SET_CONTROL_OUTPUT_RESOURCE, CRC_MODE, asyh->or.crc_raster) | 57 NVVAL(NVC57D, HEAD_SET_CONTROL_OUTPUT_RESOURCE, HSYNC_POLARITY, asyh->or.nhsync) | 58 NVVAL(NVC57D, HEAD_SET_CONTROL_OUTPUT_RESOURCE, VSYNC_POLARITY, asyh->or.nvsync) | 59 NVVAL(NVC57D, HEAD_SET_CONTROL_OUTPUT_RESOURCE, PIXEL_DEPTH, depth) | 60 NVDEF(NVC57D, HEAD_SET_CONTROL_OUTPUT_RESOURCE, COLOR_SPACE_OVERRIDE, DISABLE) | 61 NVDEF(NVC57D, HEAD_SET_CONTROL_OUTPUT_RESOURCE, EXT_PACKET_WIN, NONE)); 62 return 0; 63} 64 65static int 66headc57d_procamp(struct nv50_head *head, struct nv50_head_atom *asyh) 67{ 68 struct nvif_push *push = nv50_disp(head->base.base.dev)->core->chan.push; 69 const int i = head->base.index; 70 int ret; 71 72 if ((ret = PUSH_WAIT(push, 2))) 73 return ret; 74 75 //TODO: 76 PUSH_MTHD(push, NVC57D, HEAD_SET_PROCAMP(i), 77 NVDEF(NVC57D, HEAD_SET_PROCAMP, COLOR_SPACE, RGB) | 78 NVDEF(NVC57D, HEAD_SET_PROCAMP, CHROMA_LPF, DISABLE) | 79 NVDEF(NVC57D, HEAD_SET_PROCAMP, DYNAMIC_RANGE, VESA)); 80 return 0; 81} 82 83static int 84headc57d_olut_clr(struct nv50_head *head) 85{ 86 struct nvif_push *push = nv50_disp(head->base.base.dev)->core->chan.push; 87 const int i = head->base.index; 88 int ret; 89 90 if ((ret = PUSH_WAIT(push, 2))) 91 return ret; 92 93 PUSH_MTHD(push, NVC57D, HEAD_SET_CONTEXT_DMA_OLUT(i), 0x00000000); 94 return 0; 95} 96 97static int 98headc57d_olut_set(struct nv50_head *head, struct nv50_head_atom *asyh) 99{ 100 struct nvif_push *push = nv50_disp(head->base.base.dev)->core->chan.push; 101 const int i = head->base.index; 102 int ret; 103 104 if ((ret = PUSH_WAIT(push, 5))) 105 return ret; 106 107 PUSH_MTHD(push, NVC57D, HEAD_SET_OLUT_CONTROL(i), 108 NVVAL(NVC57D, HEAD_SET_OLUT_CONTROL, INTERPOLATE, asyh->olut.output_mode) | 109 NVDEF(NVC57D, HEAD_SET_OLUT_CONTROL, MIRROR, DISABLE) | 110 NVVAL(NVC57D, HEAD_SET_OLUT_CONTROL, MODE, asyh->olut.mode) | 111 NVVAL(NVC57D, HEAD_SET_OLUT_CONTROL, SIZE, asyh->olut.size), 112 113 HEAD_SET_OLUT_FP_NORM_SCALE(i), 0xffffffff, 114 HEAD_SET_CONTEXT_DMA_OLUT(i), asyh->olut.handle, 115 HEAD_SET_OFFSET_OLUT(i), asyh->olut.offset >> 8); 116 return 0; 117} 118 119static void 120headc57d_olut_load_8(struct drm_color_lut *in, int size, void __iomem *mem) 121{ 122 memset_io(mem, 0x00, 0x20); /* VSS header. */ 123 mem += 0x20; 124 125 while (size--) { 126 u16 r = drm_color_lut_extract(in-> red + 0, 16); 127 u16 g = drm_color_lut_extract(in->green + 0, 16); 128 u16 b = drm_color_lut_extract(in-> blue + 0, 16); 129 u16 ri = 0, gi = 0, bi = 0, i; 130 131 if (in++, size) { 132 ri = (drm_color_lut_extract(in-> red, 16) - r) / 4; 133 gi = (drm_color_lut_extract(in->green, 16) - g) / 4; 134 bi = (drm_color_lut_extract(in-> blue, 16) - b) / 4; 135 } 136 137 for (i = 0; i < 4; i++, mem += 8) { 138 writew(r + ri * i, mem + 0); 139 writew(g + gi * i, mem + 2); 140 writew(b + bi * i, mem + 4); 141 } 142 } 143 144 /* INTERPOLATE modes require a "next" entry to interpolate with, 145 * so we replicate the last entry to deal with this for now. 146 */ 147 writew(readw(mem - 8), mem + 0); 148 writew(readw(mem - 6), mem + 2); 149 writew(readw(mem - 4), mem + 4); 150} 151 152static void 153headc57d_olut_load(struct drm_color_lut *in, int size, void __iomem *mem) 154{ 155 memset_io(mem, 0x00, 0x20); /* VSS header. */ 156 mem += 0x20; 157 158 for (; size--; in++, mem += 0x08) { 159 writew(drm_color_lut_extract(in-> red, 16), mem + 0); 160 writew(drm_color_lut_extract(in->green, 16), mem + 2); 161 writew(drm_color_lut_extract(in-> blue, 16), mem + 4); 162 } 163 164 /* INTERPOLATE modes require a "next" entry to interpolate with, 165 * so we replicate the last entry to deal with this for now. 166 */ 167 writew(readw(mem - 8), mem + 0); 168 writew(readw(mem - 6), mem + 2); 169 writew(readw(mem - 4), mem + 4); 170} 171 172static bool 173headc57d_olut(struct nv50_head *head, struct nv50_head_atom *asyh, int size) 174{ 175 if (size != 0 && size != 256 && size != 1024) 176 return false; 177 178 asyh->olut.mode = NVC57D_HEAD_SET_OLUT_CONTROL_MODE_DIRECT10; 179 asyh->olut.size = 4 /* VSS header. */ + 1024 + 1 /* Entries. */; 180 asyh->olut.output_mode = NVC57D_HEAD_SET_OLUT_CONTROL_INTERPOLATE_ENABLE; 181 if (size == 256) 182 asyh->olut.load = headc57d_olut_load_8; 183 else 184 asyh->olut.load = headc57d_olut_load; 185 return true; 186} 187 188static int 189headc57d_mode(struct nv50_head *head, struct nv50_head_atom *asyh) 190{ 191 struct nvif_push *push = nv50_disp(head->base.base.dev)->core->chan.push; 192 struct nv50_head_mode *m = &asyh->mode; 193 const int i = head->base.index; 194 int ret; 195 196 if ((ret = PUSH_WAIT(push, 15))) 197 return ret; 198 199 PUSH_MTHD(push, NVC57D, HEAD_SET_RASTER_SIZE(i), 200 NVVAL(NVC57D, HEAD_SET_RASTER_SIZE, WIDTH, m->h.active) | 201 NVVAL(NVC57D, HEAD_SET_RASTER_SIZE, HEIGHT, m->v.active), 202 203 HEAD_SET_RASTER_SYNC_END(i), 204 NVVAL(NVC57D, HEAD_SET_RASTER_SYNC_END, X, m->h.synce) | 205 NVVAL(NVC57D, HEAD_SET_RASTER_SYNC_END, Y, m->v.synce), 206 207 HEAD_SET_RASTER_BLANK_END(i), 208 NVVAL(NVC57D, HEAD_SET_RASTER_BLANK_END, X, m->h.blanke) | 209 NVVAL(NVC57D, HEAD_SET_RASTER_BLANK_END, Y, m->v.blanke), 210 211 HEAD_SET_RASTER_BLANK_START(i), 212 NVVAL(NVC57D, HEAD_SET_RASTER_BLANK_START, X, m->h.blanks) | 213 NVVAL(NVC57D, HEAD_SET_RASTER_BLANK_START, Y, m->v.blanks)); 214 215 //XXX: 216 PUSH_NVSQ(push, NVC57D, 0x2074 + (i * 0x400), m->v.blank2e << 16 | m->v.blank2s); 217 PUSH_NVSQ(push, NVC57D, 0x2008 + (i * 0x400), m->interlace); 218 219 PUSH_MTHD(push, NVC57D, HEAD_SET_PIXEL_CLOCK_FREQUENCY(i), 220 NVVAL(NVC57D, HEAD_SET_PIXEL_CLOCK_FREQUENCY, HERTZ, m->clock * 1000)); 221 222 PUSH_MTHD(push, NVC57D, HEAD_SET_PIXEL_CLOCK_FREQUENCY_MAX(i), 223 NVVAL(NVC57D, HEAD_SET_PIXEL_CLOCK_FREQUENCY_MAX, HERTZ, m->clock * 1000)); 224 225 /*XXX: HEAD_USAGE_BOUNDS, doesn't belong here. */ 226 PUSH_MTHD(push, NVC57D, HEAD_SET_HEAD_USAGE_BOUNDS(i), 227 NVDEF(NVC57D, HEAD_SET_HEAD_USAGE_BOUNDS, CURSOR, USAGE_W256_H256) | 228 NVDEF(NVC57D, HEAD_SET_HEAD_USAGE_BOUNDS, OLUT_ALLOWED, TRUE) | 229 NVDEF(NVC57D, HEAD_SET_HEAD_USAGE_BOUNDS, OUTPUT_SCALER_TAPS, TAPS_2) | 230 NVDEF(NVC57D, HEAD_SET_HEAD_USAGE_BOUNDS, UPSCALING_ALLOWED, TRUE)); 231 return 0; 232} 233 234const struct nv50_head_func 235headc57d = { 236 .view = headc37d_view, 237 .mode = headc57d_mode, 238 .olut = headc57d_olut, 239 .ilut_check = head907d_ilut_check, 240 .olut_identity = true, 241 .olut_size = 1024, 242 .olut_set = headc57d_olut_set, 243 .olut_clr = headc57d_olut_clr, 244 .curs_layout = head917d_curs_layout, 245 .curs_format = headc37d_curs_format, 246 .curs_set = headc37d_curs_set, 247 .curs_clr = headc37d_curs_clr, 248 .dither = headc37d_dither, 249 .procamp = headc57d_procamp, 250 .or = headc57d_or, 251 /* TODO: flexible window mappings */ 252 .static_wndw_map = headc37d_static_wndw_map, 253}; 254