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 } props; 50 51 int colorkey; 52 int contrast; 53 int brightness; 54 int hue; 55 int saturation; 56 enum drm_color_encoding color_encoding; 57 58 void (*set_params)(struct nouveau_plane *); 59 }; 60 61 static uint32_t formats[] = { 62 DRM_FORMAT_YUYV, 63 DRM_FORMAT_UYVY, 64 DRM_FORMAT_NV12, 65 DRM_FORMAT_NV21, 66 }; 67 68 /* Sine can be approximated with 69 * http://en.wikipedia.org/wiki/Bhaskara_I's_sine_approximation_formula 70 * sin(x degrees) ~= 4 x (180 - x) / (40500 - x (180 - x) ) 71 * Note that this only works for the range [0, 180]. 72 * Also note that sin(x) == -sin(x - 180) 73 */ 74 static inline int 75 sin_mul(int degrees, int factor) 76 { 77 if (degrees > 180) { 78 degrees -= 180; 79 factor *= -1; 80 } 81 return factor * 4 * degrees * (180 - degrees) / 82 (40500 - degrees * (180 - degrees)); 83 } 84 85 /* cos(x) = sin(x + 90) */ 86 static inline int 87 cos_mul(int degrees, int factor) 88 { 89 return sin_mul((degrees + 90) % 360, factor); 90 } 91 92 static int 93 verify_scaling(const struct drm_framebuffer *fb, uint8_t shift, 94 uint32_t src_x, uint32_t src_y, uint32_t src_w, uint32_t src_h, 95 uint32_t crtc_w, uint32_t crtc_h) 96 { 97 if (crtc_w < (src_w >> shift) || crtc_h < (src_h >> shift)) { 98 DRM_DEBUG_KMS("Unsuitable framebuffer scaling: %dx%d -> %dx%d\n", 99 src_w, src_h, crtc_w, crtc_h); 100 return -ERANGE; 101 } 102 103 if (src_x != 0 || src_y != 0) { 104 DRM_DEBUG_KMS("Unsuitable framebuffer offset: %d,%d\n", 105 src_x, src_y); 106 return -ERANGE; 107 } 108 109 return 0; 110 } 111 112 static int 113 nv10_update_plane(struct drm_plane *plane, struct drm_crtc *crtc, 114 struct drm_framebuffer *fb, int crtc_x, int crtc_y, 115 unsigned int crtc_w, unsigned int crtc_h, 116 uint32_t src_x, uint32_t src_y, 117 uint32_t src_w, uint32_t src_h, 118 struct drm_modeset_acquire_ctx *ctx) 119 { 120 struct nouveau_drm *drm = nouveau_drm(plane->dev); 121 struct nvif_object *dev = &drm->client.device.object; 122 struct nouveau_plane *nv_plane = 123 container_of(plane, struct nouveau_plane, base); 124 struct nouveau_framebuffer *nv_fb = nouveau_framebuffer(fb); 125 struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc); 126 struct nouveau_bo *cur = nv_plane->cur; 127 bool flip = nv_plane->flip; 128 int soff = NV_PCRTC0_SIZE * nv_crtc->index; 129 int soff2 = NV_PCRTC0_SIZE * !nv_crtc->index; 130 unsigned shift = drm->client.device.info.chipset >= 0x30 ? 1 : 3; 131 unsigned format = 0; 132 int ret; 133 134 /* Source parameters given in 16.16 fixed point, ignore fractional. */ 135 src_x >>= 16; 136 src_y >>= 16; 137 src_w >>= 16; 138 src_h >>= 16; 139 140 ret = verify_scaling(fb, shift, 0, 0, src_w, src_h, crtc_w, crtc_h); 141 if (ret) 142 return ret; 143 144 ret = nouveau_bo_pin(nv_fb->nvbo, TTM_PL_FLAG_VRAM, false); 145 if (ret) 146 return ret; 147 148 nv_plane->cur = nv_fb->nvbo; 149 150 nvif_mask(dev, NV_PCRTC_ENGINE_CTRL + soff, NV_CRTC_FSEL_OVERLAY, NV_CRTC_FSEL_OVERLAY); 151 nvif_mask(dev, NV_PCRTC_ENGINE_CTRL + soff2, NV_CRTC_FSEL_OVERLAY, 0); 152 153 nvif_wr32(dev, NV_PVIDEO_BASE(flip), 0); 154 nvif_wr32(dev, NV_PVIDEO_OFFSET_BUFF(flip), nv_fb->nvbo->bo.offset); 155 nvif_wr32(dev, NV_PVIDEO_SIZE_IN(flip), src_h << 16 | src_w); 156 nvif_wr32(dev, NV_PVIDEO_POINT_IN(flip), src_y << 16 | src_x); 157 nvif_wr32(dev, NV_PVIDEO_DS_DX(flip), (src_w << 20) / crtc_w); 158 nvif_wr32(dev, NV_PVIDEO_DT_DY(flip), (src_h << 20) / crtc_h); 159 nvif_wr32(dev, NV_PVIDEO_POINT_OUT(flip), crtc_y << 16 | crtc_x); 160 nvif_wr32(dev, NV_PVIDEO_SIZE_OUT(flip), crtc_h << 16 | crtc_w); 161 162 if (fb->format->format == DRM_FORMAT_YUYV || 163 fb->format->format == DRM_FORMAT_NV12) 164 format |= NV_PVIDEO_FORMAT_COLOR_LE_CR8YB8CB8YA8; 165 if (fb->format->format == DRM_FORMAT_NV12 || 166 fb->format->format == DRM_FORMAT_NV21) 167 format |= NV_PVIDEO_FORMAT_PLANAR; 168 if (nv_plane->color_encoding == DRM_COLOR_YCBCR_BT709) 169 format |= NV_PVIDEO_FORMAT_MATRIX_ITURBT709; 170 if (nv_plane->colorkey & (1 << 24)) 171 format |= NV_PVIDEO_FORMAT_DISPLAY_COLOR_KEY; 172 173 if (format & NV_PVIDEO_FORMAT_PLANAR) { 174 nvif_wr32(dev, NV_PVIDEO_UVPLANE_BASE(flip), 0); 175 nvif_wr32(dev, NV_PVIDEO_UVPLANE_OFFSET_BUFF(flip), 176 nv_fb->nvbo->bo.offset + fb->offsets[1]); 177 } 178 nvif_wr32(dev, NV_PVIDEO_FORMAT(flip), format | fb->pitches[0]); 179 nvif_wr32(dev, NV_PVIDEO_STOP, 0); 180 /* TODO: wait for vblank? */ 181 nvif_wr32(dev, NV_PVIDEO_BUFFER, flip ? 0x10 : 0x1); 182 nv_plane->flip = !flip; 183 184 if (cur) 185 nouveau_bo_unpin(cur); 186 187 return 0; 188 } 189 190 static int 191 nv10_disable_plane(struct drm_plane *plane, 192 struct drm_modeset_acquire_ctx *ctx) 193 { 194 struct nvif_object *dev = &nouveau_drm(plane->dev)->client.device.object; 195 struct nouveau_plane *nv_plane = 196 container_of(plane, struct nouveau_plane, base); 197 198 nvif_wr32(dev, NV_PVIDEO_STOP, 1); 199 if (nv_plane->cur) { 200 nouveau_bo_unpin(nv_plane->cur); 201 nv_plane->cur = NULL; 202 } 203 204 return 0; 205 } 206 207 static void 208 nv_destroy_plane(struct drm_plane *plane) 209 { 210 drm_plane_force_disable(plane); 211 drm_plane_cleanup(plane); 212 kfree(plane); 213 } 214 215 static void 216 nv10_set_params(struct nouveau_plane *plane) 217 { 218 struct nvif_object *dev = &nouveau_drm(plane->base.dev)->client.device.object; 219 u32 luma = (plane->brightness - 512) << 16 | plane->contrast; 220 u32 chroma = ((sin_mul(plane->hue, plane->saturation) & 0xffff) << 16) | 221 (cos_mul(plane->hue, plane->saturation) & 0xffff); 222 u32 format = 0; 223 224 nvif_wr32(dev, NV_PVIDEO_LUMINANCE(0), luma); 225 nvif_wr32(dev, NV_PVIDEO_LUMINANCE(1), luma); 226 nvif_wr32(dev, NV_PVIDEO_CHROMINANCE(0), chroma); 227 nvif_wr32(dev, NV_PVIDEO_CHROMINANCE(1), chroma); 228 nvif_wr32(dev, NV_PVIDEO_COLOR_KEY, plane->colorkey & 0xffffff); 229 230 if (plane->cur) { 231 if (plane->color_encoding == DRM_COLOR_YCBCR_BT709) 232 format |= NV_PVIDEO_FORMAT_MATRIX_ITURBT709; 233 if (plane->colorkey & (1 << 24)) 234 format |= NV_PVIDEO_FORMAT_DISPLAY_COLOR_KEY; 235 nvif_mask(dev, NV_PVIDEO_FORMAT(plane->flip), 236 NV_PVIDEO_FORMAT_MATRIX_ITURBT709 | 237 NV_PVIDEO_FORMAT_DISPLAY_COLOR_KEY, 238 format); 239 } 240 } 241 242 static int 243 nv_set_property(struct drm_plane *plane, 244 struct drm_property *property, 245 uint64_t value) 246 { 247 struct nouveau_plane *nv_plane = 248 container_of(plane, struct nouveau_plane, base); 249 250 if (property == nv_plane->props.colorkey) 251 nv_plane->colorkey = value; 252 else if (property == nv_plane->props.contrast) 253 nv_plane->contrast = value; 254 else if (property == nv_plane->props.brightness) 255 nv_plane->brightness = value; 256 else if (property == nv_plane->props.hue) 257 nv_plane->hue = value; 258 else if (property == nv_plane->props.saturation) 259 nv_plane->saturation = value; 260 else if (property == nv_plane->base.color_encoding_property) 261 nv_plane->color_encoding = value; 262 else 263 return -EINVAL; 264 265 if (nv_plane->set_params) 266 nv_plane->set_params(nv_plane); 267 return 0; 268 } 269 270 static const struct drm_plane_funcs nv10_plane_funcs = { 271 .update_plane = nv10_update_plane, 272 .disable_plane = nv10_disable_plane, 273 .set_property = nv_set_property, 274 .destroy = nv_destroy_plane, 275 }; 276 277 static void 278 nv10_overlay_init(struct drm_device *device) 279 { 280 struct nouveau_drm *drm = nouveau_drm(device); 281 struct nouveau_plane *plane = kzalloc(sizeof(struct nouveau_plane), GFP_KERNEL); 282 unsigned int num_formats = ARRAY_SIZE(formats); 283 int ret; 284 285 if (!plane) 286 return; 287 288 switch (drm->client.device.info.chipset) { 289 case 0x10: 290 case 0x11: 291 case 0x15: 292 case 0x1a: 293 case 0x20: 294 num_formats = 2; 295 break; 296 } 297 298 ret = drm_plane_init(device, &plane->base, 3 /* both crtc's */, 299 &nv10_plane_funcs, 300 formats, num_formats, false); 301 if (ret) 302 goto err; 303 304 /* Set up the plane properties */ 305 plane->props.colorkey = drm_property_create_range( 306 device, 0, "colorkey", 0, 0x01ffffff); 307 plane->props.contrast = drm_property_create_range( 308 device, 0, "contrast", 0, 8192 - 1); 309 plane->props.brightness = drm_property_create_range( 310 device, 0, "brightness", 0, 1024); 311 plane->props.hue = drm_property_create_range( 312 device, 0, "hue", 0, 359); 313 plane->props.saturation = drm_property_create_range( 314 device, 0, "saturation", 0, 8192 - 1); 315 if (!plane->props.colorkey || 316 !plane->props.contrast || 317 !plane->props.brightness || 318 !plane->props.hue || 319 !plane->props.saturation) 320 goto cleanup; 321 322 plane->colorkey = 0; 323 drm_object_attach_property(&plane->base.base, 324 plane->props.colorkey, plane->colorkey); 325 326 plane->contrast = 0x1000; 327 drm_object_attach_property(&plane->base.base, 328 plane->props.contrast, plane->contrast); 329 330 plane->brightness = 512; 331 drm_object_attach_property(&plane->base.base, 332 plane->props.brightness, plane->brightness); 333 334 plane->hue = 0; 335 drm_object_attach_property(&plane->base.base, 336 plane->props.hue, plane->hue); 337 338 plane->saturation = 0x1000; 339 drm_object_attach_property(&plane->base.base, 340 plane->props.saturation, plane->saturation); 341 342 plane->color_encoding = DRM_COLOR_YCBCR_BT601; 343 drm_plane_create_color_properties(&plane->base, 344 BIT(DRM_COLOR_YCBCR_BT601) | 345 BIT(DRM_COLOR_YCBCR_BT709), 346 BIT(DRM_COLOR_YCBCR_LIMITED_RANGE), 347 DRM_COLOR_YCBCR_BT601, 348 DRM_COLOR_YCBCR_LIMITED_RANGE); 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