1 /* $NetBSD: nouveau_dispnv50_base907c.c,v 1.2 2021/12/18 23:45:32 riastradh Exp $ */ 2 3 /* 4 * Copyright 2018 Red Hat Inc. 5 * 6 * Permission is hereby granted, free of charge, to any person obtaining a 7 * copy of this software and associated documentation files (the "Software"), 8 * to deal in the Software without restriction, including without limitation 9 * the rights to use, copy, modify, merge, publish, distribute, sublicense, 10 * and/or sell copies of the Software, and to permit persons to whom the 11 * Software is furnished to do so, subject to the following conditions: 12 * 13 * The above copyright notice and this permission notice shall be included in 14 * all copies or substantial portions of the Software. 15 * 16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 19 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR 20 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, 21 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR 22 * OTHER DEALINGS IN THE SOFTWARE. 23 */ 24 #include <sys/cdefs.h> 25 __KERNEL_RCSID(0, "$NetBSD: nouveau_dispnv50_base907c.c,v 1.2 2021/12/18 23:45:32 riastradh Exp $"); 26 27 #include "base.h" 28 29 static void 30 base907c_image_set(struct nv50_wndw *wndw, struct nv50_wndw_atom *asyw) 31 { 32 u32 *push; 33 if ((push = evo_wait(&wndw->wndw, 10))) { 34 evo_mthd(push, 0x0084, 1); 35 evo_data(push, asyw->image.mode << 8 | 36 asyw->image.interval << 4); 37 evo_mthd(push, 0x00c0, 1); 38 evo_data(push, asyw->image.handle[0]); 39 evo_mthd(push, 0x0400, 5); 40 evo_data(push, asyw->image.offset[0] >> 8); 41 evo_data(push, 0x00000000); 42 evo_data(push, asyw->image.h << 16 | asyw->image.w); 43 evo_data(push, asyw->image.layout << 24 | 44 (asyw->image.pitch[0] >> 8) << 8 | 45 asyw->image.blocks[0] << 8 | 46 asyw->image.blockh); 47 evo_data(push, asyw->image.format << 8); 48 evo_kick(push, &wndw->wndw); 49 } 50 } 51 52 static void 53 base907c_xlut_clr(struct nv50_wndw *wndw) 54 { 55 u32 *push; 56 if ((push = evo_wait(&wndw->wndw, 6))) { 57 evo_mthd(push, 0x00e0, 1); 58 evo_data(push, 0x00000000); 59 evo_mthd(push, 0x00e8, 1); 60 evo_data(push, 0x00000000); 61 evo_mthd(push, 0x00fc, 1); 62 evo_data(push, 0x00000000); 63 evo_kick(push, &wndw->wndw); 64 } 65 } 66 67 static void 68 base907c_xlut_set(struct nv50_wndw *wndw, struct nv50_wndw_atom *asyw) 69 { 70 u32 *push; 71 if ((push = evo_wait(&wndw->wndw, 6))) { 72 evo_mthd(push, 0x00e0, 3); 73 evo_data(push, asyw->xlut.i.enable << 30 | 74 asyw->xlut.i.mode << 24); 75 evo_data(push, asyw->xlut.i.offset >> 8); 76 evo_data(push, 0x40000000); 77 evo_mthd(push, 0x00fc, 1); 78 evo_data(push, asyw->xlut.handle); 79 evo_kick(push, &wndw->wndw); 80 } 81 } 82 83 static bool 84 base907c_ilut(struct nv50_wndw *wndw, struct nv50_wndw_atom *asyw, int size) 85 { 86 if (size != 256 && size != 1024) 87 return false; 88 89 asyw->xlut.i.mode = size == 1024 ? 4 : 7; 90 asyw->xlut.i.enable = 2; 91 asyw->xlut.i.load = head907d_olut_load; 92 return true; 93 } 94 95 static inline u32 96 csc_drm_to_base(u64 in) 97 { 98 /* base takes a 19-bit 2's complement value in S3.16 format */ 99 bool sign = in & BIT_ULL(63); 100 u32 integer = (in >> 32) & 0x7fffffff; 101 u32 fraction = in & 0xffffffff; 102 103 if (integer >= 4) { 104 return (1 << 18) - (sign ? 0 : 1); 105 } else { 106 u32 ret = (integer << 16) | (fraction >> 16); 107 if (sign) 108 ret = -ret; 109 return ret & GENMASK(18, 0); 110 } 111 } 112 113 void 114 base907c_csc(struct nv50_wndw *wndw, struct nv50_wndw_atom *asyw, 115 const struct drm_color_ctm *ctm) 116 { 117 int i, j; 118 119 for (j = 0; j < 3; j++) { 120 for (i = 0; i < 4; i++) { 121 u32 *val = &asyw->csc.matrix[j * 4 + i]; 122 /* DRM does not support constant offset, while 123 * HW CSC does. Skip it. */ 124 if (i == 3) { 125 *val = 0; 126 } else { 127 *val = csc_drm_to_base(ctm->matrix[j * 3 + i]); 128 } 129 } 130 } 131 } 132 133 static void 134 base907c_csc_clr(struct nv50_wndw *wndw) 135 { 136 u32 *push; 137 if ((push = evo_wait(&wndw->wndw, 2))) { 138 evo_mthd(push, 0x0140, 1); 139 evo_data(push, 0x00000000); 140 evo_kick(push, &wndw->wndw); 141 } 142 } 143 144 static void 145 base907c_csc_set(struct nv50_wndw *wndw, struct nv50_wndw_atom *asyw) 146 { 147 u32 *push, i; 148 if ((push = evo_wait(&wndw->wndw, 13))) { 149 evo_mthd(push, 0x0140, 12); 150 evo_data(push, asyw->csc.matrix[0] | 0x80000000); 151 for (i = 1; i < 12; i++) 152 evo_data(push, asyw->csc.matrix[i]); 153 evo_kick(push, &wndw->wndw); 154 } 155 } 156 157 const struct nv50_wndw_func 158 base907c = { 159 .acquire = base507c_acquire, 160 .release = base507c_release, 161 .sema_set = base507c_sema_set, 162 .sema_clr = base507c_sema_clr, 163 .ntfy_reset = base507c_ntfy_reset, 164 .ntfy_set = base507c_ntfy_set, 165 .ntfy_clr = base507c_ntfy_clr, 166 .ntfy_wait_begun = base507c_ntfy_wait_begun, 167 .ilut = base907c_ilut, 168 .csc = base907c_csc, 169 .csc_set = base907c_csc_set, 170 .csc_clr = base907c_csc_clr, 171 .olut_core = true, 172 .ilut_size = 1024, 173 .xlut_set = base907c_xlut_set, 174 .xlut_clr = base907c_xlut_clr, 175 .image_set = base907c_image_set, 176 .image_clr = base507c_image_clr, 177 .update = base507c_update, 178 }; 179 180 int 181 base907c_new(struct nouveau_drm *drm, int head, s32 oclass, 182 struct nv50_wndw **pwndw) 183 { 184 return base507c_new_(&base907c, base507c_format, drm, head, oclass, 185 0x00000002 << (head * 4), pwndw); 186 } 187
Indexes created Sat Sep 20 22:09:52 GMT 2025