xorg_crtc.c revision 3b2bc4ac5b63429738687fd296180149b54e67a4
1/* 2 * Copyright 2008 Tungsten Graphics, Inc., Cedar Park, Texas. 3 * All Rights Reserved. 4 * 5 * Permission is hereby granted, free of charge, to any person obtaining a 6 * copy of this software and associated documentation files (the 7 * "Software"), to deal in the Software without restriction, including 8 * without limitation the rights to use, copy, modify, merge, publish, 9 * distribute, sub license, and/or sell copies of the Software, and to 10 * permit persons to whom the Software is furnished to do so, subject to 11 * the following conditions: 12 * 13 * The above copyright notice and this permission notice (including the 14 * next paragraph) shall be included in all copies or substantial portions 15 * of the Software. 16 * 17 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS 18 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF 19 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. 20 * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR 21 * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, 22 * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE 23 * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. 24 * 25 * 26 * Author: Alan Hourihane <alanh@tungstengraphics.com> 27 * Author: Jakob Bornecrantz <wallbraker@gmail.com> 28 * 29 */ 30 31#include <unistd.h> 32#include <string.h> 33#include <assert.h> 34#include <stdlib.h> 35#include <math.h> 36#include <stdint.h> 37 38#include "xorg-server.h" 39#include <xf86.h> 40#include <xf86i2c.h> 41#include <xf86Crtc.h> 42#include <cursorstr.h> 43#include "xorg_tracker.h" 44#include "xf86Modes.h" 45 46#ifdef HAVE_XEXTPROTO_71 47#include <X11/extensions/dpmsconst.h> 48#else 49#define DPMS_SERVER 50#include <X11/extensions/dpms.h> 51#endif 52 53#include "state_tracker/drm_driver.h" 54#include "util/u_inlines.h" 55#include "util/u_rect.h" 56 57#ifdef HAVE_LIBKMS 58#include "libkms.h" 59#endif 60 61struct crtc_private 62{ 63 drmModeCrtcPtr drm_crtc; 64 65 /* hwcursor */ 66 struct pipe_resource *cursor_tex; 67 struct kms_bo *cursor_bo; 68 69 unsigned cursor_handle; 70}; 71 72static void 73crtc_dpms(xf86CrtcPtr crtc, int mode) 74{ 75 /* ScrnInfoPtr pScrn = crtc->scrn; */ 76 77 switch (mode) { 78 case DPMSModeOn: 79 case DPMSModeStandby: 80 case DPMSModeSuspend: 81 break; 82 case DPMSModeOff: 83 break; 84 } 85} 86 87static Bool 88crtc_set_mode_major(xf86CrtcPtr crtc, DisplayModePtr mode, 89 Rotation rotation, int x, int y) 90{ 91 xf86CrtcConfigPtr config = XF86_CRTC_CONFIG_PTR(crtc->scrn); 92 modesettingPtr ms = modesettingPTR(crtc->scrn); 93 xf86OutputPtr output = NULL; 94 struct crtc_private *crtcp = crtc->driver_private; 95 drmModeCrtcPtr drm_crtc = crtcp->drm_crtc; 96 drmModeModeInfo drm_mode; 97 int i, ret; 98 unsigned int connector_id; 99 100 for (i = 0; i < config->num_output; output = NULL, i++) { 101 output = config->output[i]; 102 103 if (output->crtc == crtc) 104 break; 105 } 106 107 if (!output) 108 return FALSE; 109 110 connector_id = xorg_output_get_id(output); 111 112 drm_mode.clock = mode->Clock; 113 drm_mode.hdisplay = mode->HDisplay; 114 drm_mode.hsync_start = mode->HSyncStart; 115 drm_mode.hsync_end = mode->HSyncEnd; 116 drm_mode.htotal = mode->HTotal; 117 drm_mode.vdisplay = mode->VDisplay; 118 drm_mode.vsync_start = mode->VSyncStart; 119 drm_mode.vsync_end = mode->VSyncEnd; 120 drm_mode.vtotal = mode->VTotal; 121 drm_mode.flags = mode->Flags; 122 drm_mode.hskew = mode->HSkew; 123 drm_mode.vscan = mode->VScan; 124 drm_mode.vrefresh = mode->VRefresh; 125 if (!mode->name) 126 xf86SetModeDefaultName(mode); 127 strncpy(drm_mode.name, mode->name, DRM_DISPLAY_MODE_LEN - 1); 128 drm_mode.name[DRM_DISPLAY_MODE_LEN - 1] = '\0'; 129 130 ret = drmModeSetCrtc(ms->fd, drm_crtc->crtc_id, ms->fb_id, x, y, 131 &connector_id, 1, &drm_mode); 132 133 if (ret) 134 return FALSE; 135 136 /* Only set gamma when needed, to avoid unneeded delays. */ 137#if defined(XF86_CRTC_VERSION) && XF86_CRTC_VERSION >= 3 138 if (!crtc->active && crtc->version >= 3) 139 crtc->funcs->gamma_set(crtc, crtc->gamma_red, crtc->gamma_green, 140 crtc->gamma_blue, crtc->gamma_size); 141 crtc->active = TRUE; 142#endif 143 144 crtc->x = x; 145 crtc->y = y; 146 crtc->mode = *mode; 147 crtc->rotation = rotation; 148 149 return TRUE; 150} 151 152static void 153crtc_gamma_set(xf86CrtcPtr crtc, CARD16 * red, CARD16 * green, CARD16 * blue, 154 int size) 155{ 156 modesettingPtr ms = modesettingPTR(crtc->scrn); 157 struct crtc_private *crtcp = crtc->driver_private; 158 159 drmModeCrtcSetGamma(ms->fd, crtcp->drm_crtc->crtc_id, size, red, green, blue); 160} 161 162#if 0 /* Implement and enable to enable rotation and reflection. */ 163static void * 164crtc_shadow_allocate(xf86CrtcPtr crtc, int width, int height) 165{ 166 /* ScrnInfoPtr pScrn = crtc->scrn; */ 167 168 return NULL; 169} 170 171static PixmapPtr 172crtc_shadow_create(xf86CrtcPtr crtc, void *data, int width, int height) 173{ 174 /* ScrnInfoPtr pScrn = crtc->scrn; */ 175 176 return NULL; 177} 178 179static void 180crtc_shadow_destroy(xf86CrtcPtr crtc, PixmapPtr rotate_pixmap, void *data) 181{ 182 /* ScrnInfoPtr pScrn = crtc->scrn; */ 183} 184 185#endif 186 187/* 188 * Cursor functions 189 */ 190 191static void 192crtc_set_cursor_colors(xf86CrtcPtr crtc, int bg, int fg) 193{ 194 /* XXX: See if this one is needed, as we only support ARGB cursors */ 195} 196 197static void 198crtc_set_cursor_position(xf86CrtcPtr crtc, int x, int y) 199{ 200 modesettingPtr ms = modesettingPTR(crtc->scrn); 201 struct crtc_private *crtcp = crtc->driver_private; 202 203 drmModeMoveCursor(ms->fd, crtcp->drm_crtc->crtc_id, x, y); 204} 205 206static void 207crtc_load_cursor_argb_ga3d(xf86CrtcPtr crtc, CARD32 * image) 208{ 209 unsigned char *ptr; 210 modesettingPtr ms = modesettingPTR(crtc->scrn); 211 struct crtc_private *crtcp = crtc->driver_private; 212 struct pipe_transfer *transfer; 213 struct pipe_fence_handle *fence = NULL; 214 struct pipe_context *ctx = ms->ctx; 215 struct pipe_screen *screen = ms->screen; 216 217 if (!crtcp->cursor_tex) { 218 struct pipe_resource templat; 219 struct winsys_handle whandle; 220 221 memset(&templat, 0, sizeof(templat)); 222 templat.bind |= PIPE_BIND_RENDER_TARGET; 223 templat.bind |= PIPE_BIND_SCANOUT; 224 templat.bind |= PIPE_BIND_CURSOR; 225 templat.target = PIPE_TEXTURE_2D; 226 templat.last_level = 0; 227 templat.depth0 = 1; 228 templat.array_size = 1; 229 templat.format = PIPE_FORMAT_B8G8R8A8_UNORM; 230 templat.width0 = 64; 231 templat.height0 = 64; 232 233 memset(&whandle, 0, sizeof(whandle)); 234 whandle.type = DRM_API_HANDLE_TYPE_KMS; 235 236 crtcp->cursor_tex = screen->resource_create(screen, &templat); 237 screen->resource_get_handle(screen, crtcp->cursor_tex, &whandle); 238 239 crtcp->cursor_handle = whandle.handle; 240 } 241 242 transfer = pipe_get_transfer(ctx, crtcp->cursor_tex, 243 0, 0, 244 PIPE_TRANSFER_WRITE, 245 0, 0, 64, 64); 246 ptr = ctx->transfer_map(ctx, transfer); 247 util_copy_rect(ptr, crtcp->cursor_tex->format, 248 transfer->stride, 0, 0, 249 64, 64, (void*)image, 64 * 4, 0, 0); 250 ctx->transfer_unmap(ctx, transfer); 251 ctx->transfer_destroy(ctx, transfer); 252 ctx->flush(ctx, &fence); 253 254 if (fence) { 255 screen->fence_finish(screen, fence, PIPE_TIMEOUT_INFINITE); 256 screen->fence_reference(screen, &fence, NULL); 257 } 258 259 if (crtc->cursor_shown) 260 drmModeSetCursor(ms->fd, crtcp->drm_crtc->crtc_id, 261 crtcp->cursor_handle, 64, 64); 262} 263 264#if HAVE_LIBKMS 265static void 266crtc_load_cursor_argb_kms(xf86CrtcPtr crtc, CARD32 * image) 267{ 268 modesettingPtr ms = modesettingPTR(crtc->scrn); 269 struct crtc_private *crtcp = crtc->driver_private; 270 unsigned char *ptr; 271 272 if (!crtcp->cursor_bo) { 273 unsigned attr[8]; 274 275 attr[0] = KMS_BO_TYPE; 276#ifdef KMS_BO_TYPE_CURSOR_64X64_A8R8G8B8 277 attr[1] = KMS_BO_TYPE_CURSOR_64X64_A8R8G8B8; 278#else 279 attr[1] = KMS_BO_TYPE_CURSOR; 280#endif 281 attr[2] = KMS_WIDTH; 282 attr[3] = 64; 283 attr[4] = KMS_HEIGHT; 284 attr[5] = 64; 285 attr[6] = 0; 286 287 if (kms_bo_create(ms->kms, attr, &crtcp->cursor_bo)) 288 return; 289 290 if (kms_bo_get_prop(crtcp->cursor_bo, KMS_HANDLE, 291 &crtcp->cursor_handle)) 292 goto err_bo_destroy; 293 } 294 295 kms_bo_map(crtcp->cursor_bo, (void**)&ptr); 296 memcpy(ptr, image, 64*64*4); 297 kms_bo_unmap(crtcp->cursor_bo); 298 299 if (crtc->cursor_shown) 300 drmModeSetCursor(ms->fd, crtcp->drm_crtc->crtc_id, 301 crtcp->cursor_handle, 64, 64); 302 303 return; 304 305err_bo_destroy: 306 kms_bo_destroy(&crtcp->cursor_bo); 307} 308#endif 309 310static void 311crtc_load_cursor_argb(xf86CrtcPtr crtc, CARD32 * image) 312{ 313 xf86CrtcConfigPtr config = XF86_CRTC_CONFIG_PTR(crtc->scrn); 314 modesettingPtr ms = modesettingPTR(crtc->scrn); 315 316 /* Older X servers have cursor reference counting bugs leading to use of 317 * freed memory and consequently random crashes. Should be fixed as of 318 * xserver 1.8, but this workaround shouldn't hurt anyway. 319 */ 320 if (config->cursor) 321 config->cursor->refcnt++; 322 323 if (ms->cursor) 324 FreeCursor(ms->cursor, None); 325 326 ms->cursor = config->cursor; 327 328 if (ms->screen) 329 crtc_load_cursor_argb_ga3d(crtc, image); 330#ifdef HAVE_LIBKMS 331 else if (ms->kms) 332 crtc_load_cursor_argb_kms(crtc, image); 333#endif 334} 335 336static void 337crtc_show_cursor(xf86CrtcPtr crtc) 338{ 339 modesettingPtr ms = modesettingPTR(crtc->scrn); 340 struct crtc_private *crtcp = crtc->driver_private; 341 342 if (crtcp->cursor_tex || crtcp->cursor_bo) 343 drmModeSetCursor(ms->fd, crtcp->drm_crtc->crtc_id, 344 crtcp->cursor_handle, 64, 64); 345} 346 347static void 348crtc_hide_cursor(xf86CrtcPtr crtc) 349{ 350 modesettingPtr ms = modesettingPTR(crtc->scrn); 351 struct crtc_private *crtcp = crtc->driver_private; 352 353 drmModeSetCursor(ms->fd, crtcp->drm_crtc->crtc_id, 0, 0, 0); 354} 355 356/** 357 * Called at vt leave 358 */ 359void 360xorg_crtc_cursor_destroy(xf86CrtcPtr crtc) 361{ 362 struct crtc_private *crtcp = crtc->driver_private; 363 364 if (crtcp->cursor_tex) 365 pipe_resource_reference(&crtcp->cursor_tex, NULL); 366#ifdef HAVE_LIBKMS 367 if (crtcp->cursor_bo) 368 kms_bo_destroy(&crtcp->cursor_bo); 369#endif 370} 371 372/* 373 * Misc functions 374 */ 375 376static void 377crtc_destroy(xf86CrtcPtr crtc) 378{ 379 struct crtc_private *crtcp = crtc->driver_private; 380 381 xorg_crtc_cursor_destroy(crtc); 382 383 drmModeFreeCrtc(crtcp->drm_crtc); 384 385 free(crtcp); 386 crtc->driver_private = NULL; 387} 388 389static const xf86CrtcFuncsRec crtc_funcs = { 390 .dpms = crtc_dpms, 391 .set_mode_major = crtc_set_mode_major, 392 393 .set_cursor_colors = crtc_set_cursor_colors, 394 .set_cursor_position = crtc_set_cursor_position, 395 .show_cursor = crtc_show_cursor, 396 .hide_cursor = crtc_hide_cursor, 397 .load_cursor_argb = crtc_load_cursor_argb, 398 399 .shadow_create = NULL, 400 .shadow_allocate = NULL, 401 .shadow_destroy = NULL, 402 403 .gamma_set = crtc_gamma_set, 404 .destroy = crtc_destroy, 405}; 406 407void 408xorg_crtc_init(ScrnInfoPtr pScrn) 409{ 410 modesettingPtr ms = modesettingPTR(pScrn); 411 xf86CrtcPtr crtc; 412 drmModeResPtr res; 413 drmModeCrtcPtr drm_crtc = NULL; 414 struct crtc_private *crtcp; 415 int c; 416 417 res = drmModeGetResources(ms->fd); 418 if (res == 0) { 419 ErrorF("Failed drmModeGetResources %d\n", errno); 420 return; 421 } 422 423 for (c = 0; c < res->count_crtcs; c++) { 424 drm_crtc = drmModeGetCrtc(ms->fd, res->crtcs[c]); 425 426 if (!drm_crtc) 427 continue; 428 429 crtc = xf86CrtcCreate(pScrn, &crtc_funcs); 430 if (crtc == NULL) 431 goto out; 432 433 crtcp = calloc(1, sizeof(struct crtc_private)); 434 if (!crtcp) { 435 xf86CrtcDestroy(crtc); 436 goto out; 437 } 438 439 crtcp->drm_crtc = drm_crtc; 440 441 crtc->driver_private = crtcp; 442 } 443 444 out: 445 drmModeFreeResources(res); 446} 447 448/* vim: set sw=4 ts=8 sts=4: */ 449