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 31 static void 32 wndwc57e_image_set(struct nv50_wndw *wndw, struct nv50_wndw_atom *asyw) 33 { 34 u32 *push; 35 36 if (!(push = evo_wait(&wndw->wndw, 17))) 37 return; 38 39 evo_mthd(push, 0x0308, 1); 40 evo_data(push, asyw->image.mode << 4 | asyw->image.interval); 41 evo_mthd(push, 0x0224, 4); 42 evo_data(push, asyw->image.h << 16 | asyw->image.w); 43 evo_data(push, asyw->image.layout << 4 | asyw->image.blockh); 44 evo_data(push, asyw->image.colorspace << 8 | 45 asyw->image.format); 46 evo_data(push, asyw->image.blocks[0] | (asyw->image.pitch[0] >> 6)); 47 evo_mthd(push, 0x0240, 1); 48 evo_data(push, asyw->image.handle[0]); 49 evo_mthd(push, 0x0260, 1); 50 evo_data(push, asyw->image.offset[0] >> 8); 51 evo_mthd(push, 0x0290, 1); 52 evo_data(push, (asyw->state.src_y >> 16) << 16 | 53 (asyw->state.src_x >> 16)); 54 evo_mthd(push, 0x0298, 1); 55 evo_data(push, (asyw->state.src_h >> 16) << 16 | 56 (asyw->state.src_w >> 16)); 57 evo_mthd(push, 0x02a4, 1); 58 evo_data(push, asyw->state.crtc_h << 16 | 59 asyw->state.crtc_w); 60 evo_kick(push, &wndw->wndw); 61 } 62 63 static void 64 wndwc57e_csc_clr(struct nv50_wndw *wndw) 65 { 66 u32 *push; 67 if ((push = evo_wait(&wndw->wndw, 13))) { 68 evo_mthd(push, 0x0400, 12); 69 evo_data(push, 0x00010000); 70 evo_data(push, 0x00000000); 71 evo_data(push, 0x00000000); 72 evo_data(push, 0x00000000); 73 evo_data(push, 0x00000000); 74 evo_data(push, 0x00010000); 75 evo_data(push, 0x00000000); 76 evo_data(push, 0x00000000); 77 evo_data(push, 0x00000000); 78 evo_data(push, 0x00000000); 79 evo_data(push, 0x00010000); 80 evo_data(push, 0x00000000); 81 evo_kick(push, &wndw->wndw); 82 } 83 } 84 85 static void 86 wndwc57e_csc_set(struct nv50_wndw *wndw, struct nv50_wndw_atom *asyw) 87 { 88 u32 *push, i; 89 if ((push = evo_wait(&wndw->wndw, 13))) { 90 evo_mthd(push, 0x0400, 12); 91 for (i = 0; i < 12; i++) 92 evo_data(push, asyw->csc.matrix[i]); 93 evo_kick(push, &wndw->wndw); 94 } 95 } 96 97 static void 98 wndwc57e_ilut_clr(struct nv50_wndw *wndw) 99 { 100 u32 *push; 101 if ((push = evo_wait(&wndw->wndw, 2))) { 102 evo_mthd(push, 0x0444, 1); 103 evo_data(push, 0x00000000); 104 evo_kick(push, &wndw->wndw); 105 } 106 } 107 108 static void 109 wndwc57e_ilut_set(struct nv50_wndw *wndw, struct nv50_wndw_atom *asyw) 110 { 111 u32 *push; 112 if ((push = evo_wait(&wndw->wndw, 4))) { 113 evo_mthd(push, 0x0440, 3); 114 evo_data(push, asyw->xlut.i.size << 8 | 115 asyw->xlut.i.mode << 2 | 116 asyw->xlut.i.output_mode); 117 evo_data(push, asyw->xlut.handle); 118 evo_data(push, asyw->xlut.i.offset >> 8); 119 evo_kick(push, &wndw->wndw); 120 } 121 } 122 123 static u16 124 fixedU0_16_FP16(u16 fixed) 125 { 126 int sign = 0, exp = 0, man = 0; 127 if (fixed) { 128 while (--exp && !(fixed & 0x8000)) 129 fixed <<= 1; 130 man = ((fixed << 1) & 0xffc0) >> 6; 131 exp += 15; 132 } 133 return (sign << 15) | (exp << 10) | man; 134 } 135 136 static void 137 wndwc57e_ilut_load(struct drm_color_lut *in, int size, void __iomem *mem) 138 { 139 memset_io(mem, 0x00, 0x20); /* VSS header. */ 140 mem += 0x20; 141 142 for (; size--; in++, mem += 0x08) { 143 u16 r = fixedU0_16_FP16(drm_color_lut_extract(in-> red, 16)); 144 u16 g = fixedU0_16_FP16(drm_color_lut_extract(in->green, 16)); 145 u16 b = fixedU0_16_FP16(drm_color_lut_extract(in-> blue, 16)); 146 writew(r, mem + 0); 147 writew(g, mem + 2); 148 writew(b, mem + 4); 149 } 150 151 /* INTERPOLATE modes require a "next" entry to interpolate with, 152 * so we replicate the last entry to deal with this for now. 153 */ 154 writew(readw(mem - 8), mem + 0); 155 writew(readw(mem - 6), mem + 2); 156 writew(readw(mem - 4), mem + 4); 157 } 158 159 static void 160 wndwc57e_ilut(struct nv50_wndw *wndw, struct nv50_wndw_atom *asyw) 161 { 162 u16 size = asyw->ilut->length / sizeof(struct drm_color_lut); 163 if (size == 256) { 164 asyw->xlut.i.mode = 1; /* DIRECT8. */ 165 } else { 166 asyw->xlut.i.mode = 2; /* DIRECT10. */ 167 size = 1024; 168 } 169 asyw->xlut.i.size = 4 /* VSS header. */ + size + 1 /* Entries. */; 170 asyw->xlut.i.output_mode = 0; /* INTERPOLATE_DISABLE. */ 171 asyw->xlut.i.load = wndwc57e_ilut_load; 172 } 173 174 static const struct nv50_wndw_func 175 wndwc57e = { 176 .acquire = wndwc37e_acquire, 177 .release = wndwc37e_release, 178 .sema_set = wndwc37e_sema_set, 179 .sema_clr = wndwc37e_sema_clr, 180 .ntfy_set = wndwc37e_ntfy_set, 181 .ntfy_clr = wndwc37e_ntfy_clr, 182 .ntfy_reset = corec37d_ntfy_init, 183 .ntfy_wait_begun = base507c_ntfy_wait_begun, 184 .ilut = wndwc57e_ilut, 185 .ilut_identity = true, 186 .xlut_set = wndwc57e_ilut_set, 187 .xlut_clr = wndwc57e_ilut_clr, 188 .csc = base907c_csc, 189 .csc_set = wndwc57e_csc_set, 190 .csc_clr = wndwc57e_csc_clr, 191 .image_set = wndwc57e_image_set, 192 .image_clr = wndwc37e_image_clr, 193 .blend_set = wndwc37e_blend_set, 194 .update = wndwc37e_update, 195 }; 196 197 int 198 wndwc57e_new(struct nouveau_drm *drm, enum drm_plane_type type, int index, 199 s32 oclass, struct nv50_wndw **pwndw) 200 { 201 return wndwc37e_new_(&wndwc57e, drm, type, index, oclass, 202 BIT(index >> 1), pwndw); 203 } 204