1 /* $NetBSD: nouveau_dispnv50_base507c.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_base507c.c,v 1.2 2021/12/18 23:45:32 riastradh Exp $"); 26 27 #include "base.h" 28 29 #include <nvif/cl507c.h> 30 #include <nvif/event.h> 31 32 #include <drm/drm_atomic_helper.h> 33 #include <drm/drm_fourcc.h> 34 #include <drm/drm_plane_helper.h> 35 36 #include "nouveau_bo.h" 37 38 void 39 base507c_update(struct nv50_wndw *wndw, u32 *interlock) 40 { 41 u32 *push; 42 if ((push = evo_wait(&wndw->wndw, 2))) { 43 evo_mthd(push, 0x0080, 1); 44 evo_data(push, interlock[NV50_DISP_INTERLOCK_CORE]); 45 evo_kick(push, &wndw->wndw); 46 } 47 } 48 49 void 50 base507c_image_clr(struct nv50_wndw *wndw) 51 { 52 u32 *push; 53 if ((push = evo_wait(&wndw->wndw, 4))) { 54 evo_mthd(push, 0x0084, 1); 55 evo_data(push, 0x00000000); 56 evo_mthd(push, 0x00c0, 1); 57 evo_data(push, 0x00000000); 58 evo_kick(push, &wndw->wndw); 59 } 60 } 61 62 static void 63 base507c_image_set(struct nv50_wndw *wndw, struct nv50_wndw_atom *asyw) 64 { 65 u32 *push; 66 if ((push = evo_wait(&wndw->wndw, 13))) { 67 evo_mthd(push, 0x0084, 1); 68 evo_data(push, asyw->image.mode << 8 | 69 asyw->image.interval << 4); 70 evo_mthd(push, 0x00c0, 1); 71 evo_data(push, asyw->image.handle[0]); 72 if (asyw->image.format == 0xca) { 73 evo_mthd(push, 0x0110, 2); 74 evo_data(push, 1); 75 evo_data(push, 0x6400); 76 } else { 77 evo_mthd(push, 0x0110, 2); 78 evo_data(push, 0); 79 evo_data(push, 0); 80 } 81 evo_mthd(push, 0x0800, 5); 82 evo_data(push, asyw->image.offset[0] >> 8); 83 evo_data(push, 0x00000000); 84 evo_data(push, asyw->image.h << 16 | asyw->image.w); 85 evo_data(push, asyw->image.layout << 20 | 86 (asyw->image.pitch[0] >> 8) << 8 | 87 asyw->image.blocks[0] << 8 | 88 asyw->image.blockh); 89 evo_data(push, asyw->image.kind << 16 | 90 asyw->image.format << 8); 91 evo_kick(push, &wndw->wndw); 92 } 93 } 94 95 void 96 base507c_xlut_clr(struct nv50_wndw *wndw) 97 { 98 u32 *push; 99 if ((push = evo_wait(&wndw->wndw, 2))) { 100 evo_mthd(push, 0x00e0, 1); 101 evo_data(push, 0x00000000); 102 evo_kick(push, &wndw->wndw); 103 } 104 } 105 106 void 107 base507c_xlut_set(struct nv50_wndw *wndw, struct nv50_wndw_atom *asyw) 108 { 109 u32 *push; 110 if ((push = evo_wait(&wndw->wndw, 2))) { 111 evo_mthd(push, 0x00e0, 1); 112 evo_data(push, 0x40000000); 113 evo_kick(push, &wndw->wndw); 114 } 115 } 116 117 int 118 base507c_ntfy_wait_begun(struct nouveau_bo *bo, u32 offset, 119 struct nvif_device *device) 120 { 121 s64 time = nvif_msec(device, 2000ULL, 122 u32 data = nouveau_bo_rd32(bo, offset / 4); 123 if ((data & 0xc0000000) == 0x40000000) 124 break; 125 usleep_range(1, 2); 126 ); 127 return time < 0 ? time : 0; 128 } 129 130 void 131 base507c_ntfy_clr(struct nv50_wndw *wndw) 132 { 133 u32 *push; 134 if ((push = evo_wait(&wndw->wndw, 2))) { 135 evo_mthd(push, 0x00a4, 1); 136 evo_data(push, 0x00000000); 137 evo_kick(push, &wndw->wndw); 138 } 139 } 140 141 void 142 base507c_ntfy_set(struct nv50_wndw *wndw, struct nv50_wndw_atom *asyw) 143 { 144 u32 *push; 145 if ((push = evo_wait(&wndw->wndw, 3))) { 146 evo_mthd(push, 0x00a0, 2); 147 evo_data(push, asyw->ntfy.awaken << 30 | asyw->ntfy.offset); 148 evo_data(push, asyw->ntfy.handle); 149 evo_kick(push, &wndw->wndw); 150 } 151 } 152 153 void 154 base507c_ntfy_reset(struct nouveau_bo *bo, u32 offset) 155 { 156 nouveau_bo_wr32(bo, offset / 4, 0x00000000); 157 } 158 159 void 160 base507c_sema_clr(struct nv50_wndw *wndw) 161 { 162 u32 *push; 163 if ((push = evo_wait(&wndw->wndw, 2))) { 164 evo_mthd(push, 0x0094, 1); 165 evo_data(push, 0x00000000); 166 evo_kick(push, &wndw->wndw); 167 } 168 } 169 170 void 171 base507c_sema_set(struct nv50_wndw *wndw, struct nv50_wndw_atom *asyw) 172 { 173 u32 *push; 174 if ((push = evo_wait(&wndw->wndw, 5))) { 175 evo_mthd(push, 0x0088, 4); 176 evo_data(push, asyw->sema.offset); 177 evo_data(push, asyw->sema.acquire); 178 evo_data(push, asyw->sema.release); 179 evo_data(push, asyw->sema.handle); 180 evo_kick(push, &wndw->wndw); 181 } 182 } 183 184 void 185 base507c_release(struct nv50_wndw *wndw, struct nv50_wndw_atom *asyw, 186 struct nv50_head_atom *asyh) 187 { 188 asyh->base.cpp = 0; 189 } 190 191 int 192 base507c_acquire(struct nv50_wndw *wndw, struct nv50_wndw_atom *asyw, 193 struct nv50_head_atom *asyh) 194 { 195 const struct drm_framebuffer *fb = asyw->state.fb; 196 int ret; 197 198 ret = drm_atomic_helper_check_plane_state(&asyw->state, &asyh->state, 199 DRM_PLANE_HELPER_NO_SCALING, 200 DRM_PLANE_HELPER_NO_SCALING, 201 false, true); 202 if (ret) 203 return ret; 204 205 if (!wndw->func->ilut) { 206 if ((asyh->base.cpp != 1) ^ (fb->format->cpp[0] != 1)) 207 asyh->state.color_mgmt_changed = true; 208 } 209 210 asyh->base.depth = fb->format->depth; 211 asyh->base.cpp = fb->format->cpp[0]; 212 asyh->base.x = asyw->state.src.x1 >> 16; 213 asyh->base.y = asyw->state.src.y1 >> 16; 214 asyh->base.w = asyw->state.fb->width; 215 asyh->base.h = asyw->state.fb->height; 216 217 /* Some newer formats, esp FP16 ones, don't have a 218 * "depth". There's nothing that really makes sense there 219 * either, so just set it to the implicit bit count. 220 */ 221 if (!asyh->base.depth) 222 asyh->base.depth = asyh->base.cpp * 8; 223 224 return 0; 225 } 226 227 const u32 228 base507c_format[] = { 229 DRM_FORMAT_C8, 230 DRM_FORMAT_RGB565, 231 DRM_FORMAT_XRGB1555, 232 DRM_FORMAT_ARGB1555, 233 DRM_FORMAT_XRGB8888, 234 DRM_FORMAT_ARGB8888, 235 DRM_FORMAT_XBGR2101010, 236 DRM_FORMAT_ABGR2101010, 237 DRM_FORMAT_XBGR8888, 238 DRM_FORMAT_ABGR8888, 239 DRM_FORMAT_XBGR16161616F, 240 DRM_FORMAT_ABGR16161616F, 241 0 242 }; 243 244 static const struct nv50_wndw_func 245 base507c = { 246 .acquire = base507c_acquire, 247 .release = base507c_release, 248 .sema_set = base507c_sema_set, 249 .sema_clr = base507c_sema_clr, 250 .ntfy_reset = base507c_ntfy_reset, 251 .ntfy_set = base507c_ntfy_set, 252 .ntfy_clr = base507c_ntfy_clr, 253 .ntfy_wait_begun = base507c_ntfy_wait_begun, 254 .olut_core = 1, 255 .xlut_set = base507c_xlut_set, 256 .xlut_clr = base507c_xlut_clr, 257 .image_set = base507c_image_set, 258 .image_clr = base507c_image_clr, 259 .update = base507c_update, 260 }; 261 262 int 263 base507c_new_(const struct nv50_wndw_func *func, const u32 *format, 264 struct nouveau_drm *drm, int head, s32 oclass, u32 interlock_data, 265 struct nv50_wndw **pwndw) 266 { 267 struct nv50_disp_base_channel_dma_v0 args = { 268 .head = head, 269 }; 270 struct nv50_disp *disp = nv50_disp(drm->dev); 271 struct nv50_wndw *wndw; 272 int ret; 273 274 ret = nv50_wndw_new_(func, drm->dev, DRM_PLANE_TYPE_PRIMARY, 275 "base", head, format, BIT(head), 276 NV50_DISP_INTERLOCK_BASE, interlock_data, &wndw); 277 if (*pwndw = wndw, ret) 278 return ret; 279 280 ret = nv50_dmac_create(&drm->client.device, &disp->disp->object, 281 &oclass, head, &args, sizeof(args), 282 disp->sync->bo.offset, &wndw->wndw); 283 if (ret) { 284 NV_ERROR(drm, "base%04x allocation failed: %d\n", oclass, ret); 285 return ret; 286 } 287 288 ret = nvif_notify_init(&wndw->wndw.base.user, wndw->notify.func, 289 false, NV50_DISP_BASE_CHANNEL_DMA_V0_NTFY_UEVENT, 290 &(struct nvif_notify_uevent_req) {}, 291 sizeof(struct nvif_notify_uevent_req), 292 sizeof(struct nvif_notify_uevent_rep), 293 &wndw->notify); 294 if (ret) 295 return ret; 296 297 wndw->ntfy = NV50_DISP_BASE_NTFY(wndw->id); 298 wndw->sema = NV50_DISP_BASE_SEM0(wndw->id); 299 wndw->data = 0x00000000; 300 return 0; 301 } 302 303 int 304 base507c_new(struct nouveau_drm *drm, int head, s32 oclass, 305 struct nv50_wndw **pwndw) 306 { 307 return base507c_new_(&base507c, base507c_format, drm, head, oclass, 308 0x00000002 << (head * 8), pwndw); 309 } 310