1 /* 2 * Copyright 2013 Ilia Mirkin 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 AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, 18 * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF 19 * OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE 20 * SOFTWARE. 21 * 22 * Implementation based on the pre-KMS implementation in xf86-video-nouveau, 23 * written by Arthur Huillet. 24 */ 25 26 #include <drm/drmP.h> 27 #include <drm/drm_crtc.h> 28 #include <drm/drm_fourcc.h> 29 30 #include "nouveau_drv.h" 31 32 #include "nouveau_bo.h" 33 #include "nouveau_connector.h" 34 #include "nouveau_display.h" 35 #include "nvreg.h" 36 #include "disp.h" 37 38 struct nouveau_plane { 39 struct drm_plane base; 40 bool flip; 41 struct nouveau_bo *cur; 42 43 struct { 44 struct drm_property *colorkey; 45 struct drm_property *contrast; 46 struct drm_property *brightness; 47 struct drm_property *hue; 48 struct drm_property *saturation; 49 struct drm_property *iturbt_709; 50 } props; 51 52 int colorkey; 53 int contrast; 54 int brightness; 55 int hue; 56 int saturation; 57 int iturbt_709; 58 59 void (*set_params)(struct nouveau_plane *); 60 }; 61 62 static uint32_t formats[] = { 63 DRM_FORMAT_YUYV, 64 DRM_FORMAT_UYVY, 65 DRM_FORMAT_NV12, 66 DRM_FORMAT_NV21, 67 }; 68 69 /* Sine can be approximated with 70 * http://en.wikipedia.org/wiki/Bhaskara_I's_sine_approximation_formula 71 * sin(x degrees) ~= 4 x (180 - x) / (40500 - x (180 - x) ) 72 * Note that this only works for the range [0, 180]. 73 * Also note that sin(x) == -sin(x - 180) 74 */ 75 static inline int 76 sin_mul(int degrees, int factor) 77 { 78 if (degrees > 180) { 79 degrees -= 180; 80 factor *= -1; 81 } 82 return factor * 4 * degrees * (180 - degrees) / 83 (40500 - degrees * (180 - degrees)); 84 } 85 86 /* cos(x) = sin(x + 90) */ 87 static inline int 88 cos_mul(int degrees, int factor) 89 { 90 return sin_mul((degrees + 90) % 360, factor); 91 } 92 93 static int 94 verify_scaling(const struct drm_framebuffer *fb, uint8_t shift, 95 uint32_t src_x, uint32_t src_y, uint32_t src_w, uint32_t src_h, 96 uint32_t crtc_w, uint32_t crtc_h) 97 { 98 if (crtc_w < (src_w >> shift) || crtc_h < (src_h >> shift)) { 99 DRM_DEBUG_KMS("Unsuitable framebuffer scaling: %dx%d -> %dx%d\n", 100 src_w, src_h, crtc_w, crtc_h); 101 return -ERANGE; 102 } 103 104 if (src_x != 0 || src_y != 0) { 105 DRM_DEBUG_KMS("Unsuitable framebuffer offset: %d,%d\n", 106 src_x, src_y); 107 return -ERANGE; 108 } 109 110 return 0; 111 } 112 113 static int 114 nv10_update_plane(struct drm_plane *plane, struct drm_crtc *crtc, 115 struct drm_framebuffer *fb, int crtc_x, int crtc_y, 116 unsigned int crtc_w, unsigned int crtc_h, 117 uint32_t src_x, uint32_t src_y, 118 uint32_t src_w, uint32_t src_h, 119 struct drm_modeset_acquire_ctx *ctx) 120 { 121 struct nouveau_drm *drm = nouveau_drm(plane->dev); 122 struct nvif_object *dev = &drm->client.device.object; 123 struct nouveau_plane *nv_plane = 124 container_of(plane, struct nouveau_plane, base); 125 struct nouveau_framebuffer *nv_fb = nouveau_framebuffer(fb); 126 struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc); 127 struct nouveau_bo *cur = nv_plane->cur; 128 bool flip = nv_plane->flip; 129 int soff = NV_PCRTC0_SIZE * nv_crtc->index; 130 int soff2 = NV_PCRTC0_SIZE * !nv_crtc->index; 131 unsigned shift = drm->client.device.info.chipset >= 0x30 ? 1 : 3; 132 unsigned format = 0; 133 int ret; 134 135 /* Source parameters given in 16.16 fixed point, ignore fractional. */ 136 src_x >>= 16; 137 src_y >>= 16; 138 src_w >>= 16; 139 src_h >>= 16; 140 141 ret = verify_scaling(fb, shift, 0, 0, src_w, src_h, crtc_w, crtc_h); 142 if (ret) 143 return ret; 144 145 ret = nouveau_bo_pin(nv_fb->nvbo, TTM_PL_FLAG_VRAM, false); 146 if (ret) 147 return ret; 148 149 nv_plane->cur = nv_fb->nvbo; 150 151 nvif_mask(dev, NV_PCRTC_ENGINE_CTRL + soff, NV_CRTC_FSEL_OVERLAY, NV_CRTC_FSEL_OVERLAY); 152 nvif_mask(dev, NV_PCRTC_ENGINE_CTRL + soff2, NV_CRTC_FSEL_OVERLAY, 0); 153 154 nvif_wr32(dev, NV_PVIDEO_BASE(flip), 0); 155 nvif_wr32(dev, NV_PVIDEO_OFFSET_BUFF(flip), nv_fb->nvbo->bo.offset); 156 nvif_wr32(dev, NV_PVIDEO_SIZE_IN(flip), src_h << 16 | src_w); 157 nvif_wr32(dev, NV_PVIDEO_POINT_IN(flip), src_y << 16 | src_x); 158 nvif_wr32(dev, NV_PVIDEO_DS_DX(flip), (src_w << 20) / crtc_w); 159 nvif_wr32(dev, NV_PVIDEO_DT_DY(flip), (src_h << 20) / crtc_h); 160 nvif_wr32(dev, NV_PVIDEO_POINT_OUT(flip), crtc_y << 16 | crtc_x); 161 nvif_wr32(dev, NV_PVIDEO_SIZE_OUT(flip), crtc_h << 16 | crtc_w); 162 163 if (fb->format->format == DRM_FORMAT_YUYV || 164 fb->format->format == DRM_FORMAT_NV12) 165 format |= NV_PVIDEO_FORMAT_COLOR_LE_CR8YB8CB8YA8; 166 if (fb->format->format == DRM_FORMAT_NV12 || 167 fb->format->format == DRM_FORMAT_NV21) 168 format |= NV_PVIDEO_FORMAT_PLANAR; 169 if (nv_plane->iturbt_709) 170 format |= NV_PVIDEO_FORMAT_MATRIX_ITURBT709; 171 if (nv_plane->colorkey & (1 << 24)) 172 format |= NV_PVIDEO_FORMAT_DISPLAY_COLOR_KEY; 173 174 if (format & NV_PVIDEO_FORMAT_PLANAR) { 175 nvif_wr32(dev, NV_PVIDEO_UVPLANE_BASE(flip), 0); 176 nvif_wr32(dev, NV_PVIDEO_UVPLANE_OFFSET_BUFF(flip), 177 nv_fb->nvbo->bo.offset + fb->offsets[1]); 178 } 179 nvif_wr32(dev, NV_PVIDEO_FORMAT(flip), format | fb->pitches[0]); 180 nvif_wr32(dev, NV_PVIDEO_STOP, 0); 181 /* TODO: wait for vblank? */ 182 nvif_wr32(dev, NV_PVIDEO_BUFFER, flip ? 0x10 : 0x1); 183 nv_plane->flip = !flip; 184 185 if (cur) 186 nouveau_bo_unpin(cur); 187 188 return 0; 189 } 190 191 static int 192 nv10_disable_plane(struct drm_plane *plane, 193 struct drm_modeset_acquire_ctx *ctx) 194 { 195 struct nvif_object *dev = &nouveau_drm(plane->dev)->client.device.object; 196 struct nouveau_plane *nv_plane = 197 container_of(plane, struct nouveau_plane, base); 198 199 nvif_wr32(dev, NV_PVIDEO_STOP, 1); 200 if (nv_plane->cur) { 201 nouveau_bo_unpin(nv_plane->cur); 202 nv_plane->cur = NULL; 203 } 204 205 return 0; 206 } 207 208 static void 209 nv_destroy_plane(struct drm_plane *plane) 210 { 211 drm_plane_force_disable(plane); 212 drm_plane_cleanup(plane); 213 kfree(plane); 214 } 215 216 static void 217 nv10_set_params(struct nouveau_plane *plane) 218 { 219 struct nvif_object *dev = &nouveau_drm(plane->base.dev)->client.device.object; 220 u32 luma = (plane->brightness - 512) << 16 | plane->contrast; 221 u32 chroma = ((sin_mul(plane->hue, plane->saturation) & 0xffff) << 16) | 222 (cos_mul(plane->hue, plane->saturation) & 0xffff); 223 u32 format = 0; 224 225 nvif_wr32(dev, NV_PVIDEO_LUMINANCE(0), luma); 226 nvif_wr32(dev, NV_PVIDEO_LUMINANCE(1), luma); 227 nvif_wr32(dev, NV_PVIDEO_CHROMINANCE(0), chroma); 228 nvif_wr32(dev, NV_PVIDEO_CHROMINANCE(1), chroma); 229 nvif_wr32(dev, NV_PVIDEO_COLOR_KEY, plane->colorkey & 0xffffff); 230 231 if (plane->cur) { 232 if (plane->iturbt_709) 233 format |= NV_PVIDEO_FORMAT_MATRIX_ITURBT709; 234 if (plane->colorkey & (1 << 24)) 235 format |= NV_PVIDEO_FORMAT_DISPLAY_COLOR_KEY; 236 nvif_mask(dev, NV_PVIDEO_FORMAT(plane->flip), 237 NV_PVIDEO_FORMAT_MATRIX_ITURBT709 | 238 NV_PVIDEO_FORMAT_DISPLAY_COLOR_KEY, 239 format); 240 } 241 } 242 243 static int 244 nv_set_property(struct drm_plane *plane, 245 struct drm_property *property, 246 uint64_t value) 247 { 248 struct nouveau_plane *nv_plane = 249 container_of(plane, struct nouveau_plane, base); 250 251 if (property == nv_plane->props.colorkey) 252 nv_plane->colorkey = value; 253 else if (property == nv_plane->props.contrast) 254 nv_plane->contrast = value; 255 else if (property == nv_plane->props.brightness) 256 nv_plane->brightness = value; 257 else if (property == nv_plane->props.hue) 258 nv_plane->hue = value; 259 else if (property == nv_plane->props.saturation) 260 nv_plane->saturation = value; 261 else if (property == nv_plane->props.iturbt_709) 262 nv_plane->iturbt_709 = value; 263 else 264 return -EINVAL; 265 266 if (nv_plane->set_params) 267 nv_plane->set_params(nv_plane); 268 return 0; 269 } 270 271 static const struct drm_plane_funcs nv10_plane_funcs = { 272 .update_plane = nv10_update_plane, 273 .disable_plane = nv10_disable_plane, 274 .set_property = nv_set_property, 275 .destroy = nv_destroy_plane, 276 }; 277 278 static void 279 nv10_overlay_init(struct drm_device *device) 280 { 281 struct nouveau_drm *drm = nouveau_drm(device); 282 struct nouveau_plane *plane = kzalloc(sizeof(struct nouveau_plane), GFP_KERNEL); 283 unsigned int num_formats = ARRAY_SIZE(formats); 284 int ret; 285 286 if (!plane) 287 return; 288 289 switch (drm->client.device.info.chipset) { 290 case 0x10: 291 case 0x11: 292 case 0x15: 293 case 0x1a: 294 case 0x20: 295 num_formats = 2; 296 break; 297 } 298 299 ret = drm_plane_init(device, &plane->base, 3 /* both crtc's */, 300 &nv10_plane_funcs, 301 formats, num_formats, false); 302 if (ret) 303 goto err; 304 305 /* Set up the plane properties */ 306 plane->props.colorkey = drm_property_create_range( 307 device, 0, "colorkey", 0, 0x01ffffff); 308 plane->props.contrast = drm_property_create_range( 309 device, 0, "contrast", 0, 8192 - 1); 310 plane->props.brightness = drm_property_create_range( 311 device, 0, "brightness", 0, 1024); 312 plane->props.hue = drm_property_create_range( 313 device, 0, "hue", 0, 359); 314 plane->props.saturation = drm_property_create_range( 315 device, 0, "saturation", 0, 8192 - 1); 316 plane->props.iturbt_709 = drm_property_create_range( 317 device, 0, "iturbt_709", 0, 1); 318 if (!plane->props.colorkey || 319 !plane->props.contrast || 320 !plane->props.brightness || 321 !plane->props.hue || 322 !plane->props.saturation || 323 !plane->props.iturbt_709) 324 goto cleanup; 325 326 plane->colorkey = 0; 327 drm_object_attach_property(&plane->base.base, 328 plane->props.colorkey, plane->colorkey); 329 330 plane->contrast = 0x1000; 331 drm_object_attach_property(&plane->base.base, 332 plane->props.contrast, plane->contrast); 333 334 plane->brightness = 512; 335 drm_object_attach_property(&plane->base.base, 336 plane->props.brightness, plane->brightness); 337 338 plane->hue = 0; 339 drm_object_attach_property(&plane->base.base, 340 plane->props.hue, plane->hue); 341 342 plane->saturation = 0x1000; 343 drm_object_attach_property(&plane->base.base, 344 plane->props.saturation, plane->saturation); 345 346 plane->iturbt_709 = 0; 347 drm_object_attach_property(&plane->base.base, 348 plane->props.iturbt_709, plane->iturbt_709); 349 350 plane->set_params = nv10_set_params; 351 nv10_set_params(plane); 352 drm_plane_force_disable(&plane->base); 353 return; 354 cleanup: 355 drm_plane_cleanup(&plane->base); 356 err: 357 kfree(plane); 358 NV_ERROR(drm, "Failed to create plane\n"); 359 } 360 361 static int 362 nv04_update_plane(struct drm_plane *plane, struct drm_crtc *crtc, 363 struct drm_framebuffer *fb, int crtc_x, int crtc_y, 364 unsigned int crtc_w, unsigned int crtc_h, 365 uint32_t src_x, uint32_t src_y, 366 uint32_t src_w, uint32_t src_h, 367 struct drm_modeset_acquire_ctx *ctx) 368 { 369 struct nvif_object *dev = &nouveau_drm(plane->dev)->client.device.object; 370 struct nouveau_plane *nv_plane = 371 container_of(plane, struct nouveau_plane, base); 372 struct nouveau_framebuffer *nv_fb = nouveau_framebuffer(fb); 373 struct nouveau_bo *cur = nv_plane->cur; 374 uint32_t overlay = 1; 375 int brightness = (nv_plane->brightness - 512) * 62 / 512; 376 int ret, i; 377 378 /* Source parameters given in 16.16 fixed point, ignore fractional. */ 379 src_x >>= 16; 380 src_y >>= 16; 381 src_w >>= 16; 382 src_h >>= 16; 383 384 ret = verify_scaling(fb, 0, src_x, src_y, src_w, src_h, crtc_w, crtc_h); 385 if (ret) 386 return ret; 387 388 ret = nouveau_bo_pin(nv_fb->nvbo, TTM_PL_FLAG_VRAM, false); 389 if (ret) 390 return ret; 391 392 nv_plane->cur = nv_fb->nvbo; 393 394 nvif_wr32(dev, NV_PVIDEO_OE_STATE, 0); 395 nvif_wr32(dev, NV_PVIDEO_SU_STATE, 0); 396 nvif_wr32(dev, NV_PVIDEO_RM_STATE, 0); 397 398 for (i = 0; i < 2; i++) { 399 nvif_wr32(dev, NV_PVIDEO_BUFF0_START_ADDRESS + 4 * i, 400 nv_fb->nvbo->bo.offset); 401 nvif_wr32(dev, NV_PVIDEO_BUFF0_PITCH_LENGTH + 4 * i, 402 fb->pitches[0]); 403 nvif_wr32(dev, NV_PVIDEO_BUFF0_OFFSET + 4 * i, 0); 404 } 405 nvif_wr32(dev, NV_PVIDEO_WINDOW_START, crtc_y << 16 | crtc_x); 406 nvif_wr32(dev, NV_PVIDEO_WINDOW_SIZE, crtc_h << 16 | crtc_w); 407 nvif_wr32(dev, NV_PVIDEO_STEP_SIZE, 408 (uint32_t)(((src_h - 1) << 11) / (crtc_h - 1)) << 16 | (uint32_t)(((src_w - 1) << 11) / (crtc_w - 1))); 409 410 /* It should be possible to convert hue/contrast to this */ 411 nvif_wr32(dev, NV_PVIDEO_RED_CSC_OFFSET, 0x69 - brightness); 412 nvif_wr32(dev, NV_PVIDEO_GREEN_CSC_OFFSET, 0x3e + brightness); 413 nvif_wr32(dev, NV_PVIDEO_BLUE_CSC_OFFSET, 0x89 - brightness); 414 nvif_wr32(dev, NV_PVIDEO_CSC_ADJUST, 0); 415 416 nvif_wr32(dev, NV_PVIDEO_CONTROL_Y, 0x001); /* (BLUR_ON, LINE_HALF) */ 417 nvif_wr32(dev, NV_PVIDEO_CONTROL_X, 0x111); /* (WEIGHT_HEAVY, SHARPENING_ON, SMOOTHING_ON) */ 418 419 nvif_wr32(dev, NV_PVIDEO_FIFO_BURST_LENGTH, 0x03); 420 nvif_wr32(dev, NV_PVIDEO_FIFO_THRES_SIZE, 0x38); 421 422 nvif_wr32(dev, NV_PVIDEO_KEY, nv_plane->colorkey); 423 424 if (nv_plane->colorkey & (1 << 24)) 425 overlay |= 0x10; 426 if (fb->format->format == DRM_FORMAT_YUYV) 427 overlay |= 0x100; 428 429 nvif_wr32(dev, NV_PVIDEO_OVERLAY, overlay); 430 431 nvif_wr32(dev, NV_PVIDEO_SU_STATE, nvif_rd32(dev, NV_PVIDEO_SU_STATE) ^ (1 << 16)); 432 433 if (cur) 434 nouveau_bo_unpin(cur); 435 436 return 0; 437 } 438 439 static int 440 nv04_disable_plane(struct drm_plane *plane, 441 struct drm_modeset_acquire_ctx *ctx) 442 { 443 struct nvif_object *dev = &nouveau_drm(plane->dev)->client.device.object; 444 struct nouveau_plane *nv_plane = 445 container_of(plane, struct nouveau_plane, base); 446 447 nvif_mask(dev, NV_PVIDEO_OVERLAY, 1, 0); 448 nvif_wr32(dev, NV_PVIDEO_OE_STATE, 0); 449 nvif_wr32(dev, NV_PVIDEO_SU_STATE, 0); 450 nvif_wr32(dev, NV_PVIDEO_RM_STATE, 0); 451 if (nv_plane->cur) { 452 nouveau_bo_unpin(nv_plane->cur); 453 nv_plane->cur = NULL; 454 } 455 456 return 0; 457 } 458 459 static const struct drm_plane_funcs nv04_plane_funcs = { 460 .update_plane = nv04_update_plane, 461 .disable_plane = nv04_disable_plane, 462 .set_property = nv_set_property, 463 .destroy = nv_destroy_plane, 464 }; 465 466 static void 467 nv04_overlay_init(struct drm_device *device) 468 { 469 struct nouveau_drm *drm = nouveau_drm(device); 470 struct nouveau_plane *plane = kzalloc(sizeof(struct nouveau_plane), GFP_KERNEL); 471 int ret; 472 473 if (!plane) 474 return; 475 476 ret = drm_plane_init(device, &plane->base, 1 /* single crtc */, 477 &nv04_plane_funcs, 478 formats, 2, false); 479 if (ret) 480 goto err; 481 482 /* Set up the plane properties */ 483 plane->props.colorkey = drm_property_create_range( 484 device, 0, "colorkey", 0, 0x01ffffff); 485 plane->props.brightness = drm_property_create_range( 486 device, 0, "brightness", 0, 1024); 487 if (!plane->props.colorkey || 488 !plane->props.brightness) 489 goto cleanup; 490 491 plane->colorkey = 0; 492 drm_object_attach_property(&plane->base.base, 493 plane->props.colorkey, plane->colorkey); 494 495 plane->brightness = 512; 496 drm_object_attach_property(&plane->base.base, 497 plane->props.brightness, plane->brightness); 498 499 drm_plane_force_disable(&plane->base); 500 return; 501 cleanup: 502 drm_plane_cleanup(&plane->base); 503 err: 504 kfree(plane); 505 NV_ERROR(drm, "Failed to create plane\n"); 506 } 507 508 void 509 nouveau_overlay_init(struct drm_device *device) 510 { 511 struct nvif_device *dev = &nouveau_drm(device)->client.device; 512 if (dev->info.chipset < 0x10) 513 nv04_overlay_init(device); 514 else if (dev->info.chipset <= 0x40) 515 nv10_overlay_init(device); 516 } 517