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