src/gallium/state_trackers/xorg/xorg_crtc.c

   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 "xorg_tracker.h"
  43 #include "xf86Modes.h"
  44
  45 #ifdef HAVE_XEXTPROTO_71
  46 #include <X11/extensions/dpmsconst.h>
  47 #else
  48 #define DPMS_SERVER
  49 #include <X11/extensions/dpms.h>
  50 #endif
  51
  52 #include "pipe/p_inlines.h"
  53 #include "util/u_rect.h"
  54
  55 #ifdef HAVE_LIBKMS
  56 #include "libkms.h"
  57 #endif
  58
  59 struct crtc_private
  60 {
  61     drmModeCrtcPtr drm_crtc;
  62
  63     /* hwcursor */
  64     struct pipe_texture *cursor_tex;
  65     struct kms_bo *cursor_bo;
  66
  67     unsigned cursor_handle;
  68 };
  69
  70 static void
  71 crtc_dpms(xf86CrtcPtr crtc, int mode)
  72 {
  73     /* ScrnInfoPtr pScrn = crtc->scrn; */
  74
  75     switch (mode) {
  76     case DPMSModeOn:
  77     case DPMSModeStandby:
  78     case DPMSModeSuspend:
  79         break;
  80     case DPMSModeOff:
  81         break;
  82     }
  83 }
  84
  85 static Bool
  86 crtc_set_mode_major(xf86CrtcPtr crtc, DisplayModePtr mode,
  87                     Rotation rotation, int x, int y)
  88 {
  89     xf86CrtcConfigPtr config = XF86_CRTC_CONFIG_PTR(crtc->scrn);
  90     modesettingPtr ms = modesettingPTR(crtc->scrn);
  91     xf86OutputPtr output = NULL;
  92     drmModeConnectorPtr drm_connector;
  93     struct crtc_private *crtcp = crtc->driver_private;
  94     drmModeCrtcPtr drm_crtc = crtcp->drm_crtc;
  95     drmModeModeInfo drm_mode;
  96     int i, ret;
  97
  98     for (i = 0; i < config->num_output; output = NULL, i++) {
  99         output = config->output[i];
 100
 101         if (output->crtc == crtc)
 102             break;
 103     }
 104
 105     if (!output)
 106         return FALSE;
 107
 108     drm_connector = output->driver_private;
 109
 110     drm_mode.clock = mode->Clock;
 111     drm_mode.hdisplay = mode->HDisplay;
 112     drm_mode.hsync_start = mode->HSyncStart;
 113     drm_mode.hsync_end = mode->HSyncEnd;
 114     drm_mode.htotal = mode->HTotal;
 115     drm_mode.vdisplay = mode->VDisplay;
 116     drm_mode.vsync_start = mode->VSyncStart;
 117     drm_mode.vsync_end = mode->VSyncEnd;
 118     drm_mode.vtotal = mode->VTotal;
 119     drm_mode.flags = mode->Flags;
 120     drm_mode.hskew = mode->HSkew;
 121     drm_mode.vscan = mode->VScan;
 122     drm_mode.vrefresh = mode->VRefresh;
 123     if (!mode->name)
 124         xf86SetModeDefaultName(mode);
 125     strncpy(drm_mode.name, mode->name, DRM_DISPLAY_MODE_LEN);
 126
 127     ret = drmModeSetCrtc(ms->fd, drm_crtc->crtc_id, ms->fb_id, x, y,
 128                          &drm_connector->connector_id, 1, &drm_mode);
 129
 130     if (ret)
 131         return FALSE;
 132
 133     crtc->x = x;
 134     crtc->y = y;
 135     crtc->mode = *mode;
 136     crtc->rotation = rotation;
 137
 138     return TRUE;
 139 }
 140
 141 static void
 142 crtc_gamma_set(xf86CrtcPtr crtc, CARD16 * red, CARD16 * green, CARD16 * blue,
 143                int size)
 144 {
 145     /* XXX: hockup */
 146 }
 147
 148 static void *
 149 crtc_shadow_allocate(xf86CrtcPtr crtc, int width, int height)
 150 {
 151     /* ScrnInfoPtr pScrn = crtc->scrn; */
 152
 153     return NULL;
 154 }
 155
 156 static PixmapPtr
 157 crtc_shadow_create(xf86CrtcPtr crtc, void *data, int width, int height)
 158 {
 159     /* ScrnInfoPtr pScrn = crtc->scrn; */
 160
 161     return NULL;
 162 }
 163
 164 static void
 165 crtc_shadow_destroy(xf86CrtcPtr crtc, PixmapPtr rotate_pixmap, void *data)
 166 {
 167     /* ScrnInfoPtr pScrn = crtc->scrn; */
 168 }
 169
 170 /*
 171  * Cursor functions
 172  */
 173
 174 static void
 175 crtc_set_cursor_colors(xf86CrtcPtr crtc, int bg, int fg)
 176 {
 177     /* XXX: See if this one is needed, as we only support ARGB cursors */
 178 }
 179
 180 static void
 181 crtc_set_cursor_position(xf86CrtcPtr crtc, int x, int y)
 182 {
 183     modesettingPtr ms = modesettingPTR(crtc->scrn);
 184     struct crtc_private *crtcp = crtc->driver_private;
 185
 186     drmModeMoveCursor(ms->fd, crtcp->drm_crtc->crtc_id, x, y);
 187 }
 188
 189 static void
 190 crtc_load_cursor_argb_ga3d(xf86CrtcPtr crtc, CARD32 * image)
 191 {
 192     unsigned char *ptr;
 193     modesettingPtr ms = modesettingPTR(crtc->scrn);
 194     struct crtc_private *crtcp = crtc->driver_private;
 195     struct pipe_transfer *transfer;
 196
 197     if (!crtcp->cursor_tex) {
 198         struct pipe_texture templat;
 199         unsigned pitch;
 200
 201         memset(&templat, 0, sizeof(templat));
 202         templat.tex_usage |= PIPE_TEXTURE_USAGE_RENDER_TARGET;
 203         templat.tex_usage |= PIPE_TEXTURE_USAGE_PRIMARY;
 204         templat.target = PIPE_TEXTURE_2D;
 205         templat.last_level = 0;
 206         templat.depth[0] = 1;
 207         templat.format = PIPE_FORMAT_A8R8G8B8_UNORM;
 208         templat.width[0] = 64;
 209         templat.height[0] = 64;
 210         pf_get_block(templat.format, &templat.block);
 211
 212         crtcp->cursor_tex = ms->screen->texture_create(ms->screen,
 213                                                        &templat);
 214         ms->api->local_handle_from_texture(ms->api,
 215                                            ms->screen,
 216                                            crtcp->cursor_tex,
 217                                            &pitch,
 218                                            &crtcp->cursor_handle);
 219     }
 220
 221     transfer = ms->screen->get_tex_transfer(ms->screen, crtcp->cursor_tex,
 222                                             0, 0, 0,
 223                                             PIPE_TRANSFER_WRITE,
 224                                             0, 0, 64, 64);
 225     ptr = ms->screen->transfer_map(ms->screen, transfer);
 226     util_copy_rect(ptr, &crtcp->cursor_tex->block,
 227                    transfer->stride, 0, 0,
 228                    64, 64, (void*)image, 64 * 4, 0, 0);
 229     ms->screen->transfer_unmap(ms->screen, transfer);
 230     ms->screen->tex_transfer_destroy(transfer);
 231 }
 232
 233 #if HAVE_LIBKMS
 234 static void
 235 crtc_load_cursor_argb_kms(xf86CrtcPtr crtc, CARD32 * image)
 236 {
 237     modesettingPtr ms = modesettingPTR(crtc->scrn);
 238     struct crtc_private *crtcp = crtc->driver_private;
 239     unsigned char *ptr;
 240
 241     if (!crtcp->cursor_bo) {
 242         unsigned attr[8];
 243
 244         attr[0] = KMS_BO_TYPE;
 245         attr[1] = KMS_BO_TYPE_CURSOR;
 246         attr[2] = KMS_WIDTH;
 247         attr[3] = 64;
 248         attr[4] = KMS_HEIGHT;
 249         attr[5] = 64;
 250         attr[6] = 0;
 251
 252         if (kms_bo_create(ms->kms, attr, &crtcp->cursor_bo))
 253            return;
 254
 255         if (kms_bo_get_prop(crtcp->cursor_bo, KMS_HANDLE,
 256                             &crtcp->cursor_handle))
 257             goto err_bo_destroy;
 258     }
 259
 260     kms_bo_map(crtcp->cursor_bo, (void**)&ptr);
 261     memcpy(ptr, image, 64*64*4);
 262     kms_bo_unmap(crtcp->cursor_bo);
 263
 264     return;
 265
 266 err_bo_destroy:
 267     kms_bo_destroy(&crtcp->cursor_bo);
 268 }
 269 #endif
 270
 271 static void
 272 crtc_load_cursor_argb(xf86CrtcPtr crtc, CARD32 * image)
 273 {
 274     modesettingPtr ms = modesettingPTR(crtc->scrn);
 275     if (ms->screen)
 276         crtc_load_cursor_argb_ga3d(crtc, image);
 277 #ifdef HAVE_LIBKMS
 278     else if (ms->kms)
 279         crtc_load_cursor_argb_kms(crtc, image);
 280 #endif
 281 }
 282
 283 static void
 284 crtc_show_cursor(xf86CrtcPtr crtc)
 285 {
 286     modesettingPtr ms = modesettingPTR(crtc->scrn);
 287     struct crtc_private *crtcp = crtc->driver_private;
 288
 289     if (crtcp->cursor_tex || crtcp->cursor_bo)
 290         drmModeSetCursor(ms->fd, crtcp->drm_crtc->crtc_id,
 291                          crtcp->cursor_handle, 64, 64);
 292 }
 293
 294 static void
 295 crtc_hide_cursor(xf86CrtcPtr crtc)
 296 {
 297     modesettingPtr ms = modesettingPTR(crtc->scrn);
 298     struct crtc_private *crtcp = crtc->driver_private;
 299
 300     drmModeSetCursor(ms->fd, crtcp->drm_crtc->crtc_id, 0, 0, 0);
 301 }
 302
 303 /**
 304  * Called at vt leave
 305  */
 306 void
 307 xorg_crtc_cursor_destroy(xf86CrtcPtr crtc)
 308 {
 309     struct crtc_private *crtcp = crtc->driver_private;
 310
 311     if (crtcp->cursor_tex)
 312         pipe_texture_reference(&crtcp->cursor_tex, NULL);
 313 #ifdef HAVE_LIBKMS
 314     if (crtcp->cursor_bo)
 315         kms_bo_destroy(&crtcp->cursor_bo);
 316 #endif
 317 }
 318
 319 /*
 320  * Misc functions
 321  */
 322
 323 static void
 324 crtc_destroy(xf86CrtcPtr crtc)
 325 {
 326     struct crtc_private *crtcp = crtc->driver_private;
 327
 328     xorg_crtc_cursor_destroy(crtc);
 329
 330     drmModeFreeCrtc(crtcp->drm_crtc);
 331
 332     xfree(crtcp);
 333     crtc->driver_private = NULL;
 334 }
 335
 336 static const xf86CrtcFuncsRec crtc_funcs = {
 337     .dpms = crtc_dpms,
 338     .set_mode_major = crtc_set_mode_major,
 339
 340     .set_cursor_colors = crtc_set_cursor_colors,
 341     .set_cursor_position = crtc_set_cursor_position,
 342     .show_cursor = crtc_show_cursor,
 343     .hide_cursor = crtc_hide_cursor,
 344     .load_cursor_argb = crtc_load_cursor_argb,
 345
 346     .shadow_create = crtc_shadow_create,
 347     .shadow_allocate = crtc_shadow_allocate,
 348     .shadow_destroy = crtc_shadow_destroy,
 349
 350     .gamma_set = crtc_gamma_set,
 351     .destroy = crtc_destroy,
 352 };
 353
 354 void
 355 xorg_crtc_init(ScrnInfoPtr pScrn)
 356 {
 357     modesettingPtr ms = modesettingPTR(pScrn);
 358     xf86CrtcPtr crtc;
 359     drmModeResPtr res;
 360     drmModeCrtcPtr drm_crtc = NULL;
 361     struct crtc_private *crtcp;
 362     int c;
 363
 364     res = drmModeGetResources(ms->fd);
 365     if (res == 0) {
 366         ErrorF("Failed drmModeGetResources %d\n", errno);
 367         return;
 368     }
 369
 370     for (c = 0; c < res->count_crtcs; c++) {
 371         drm_crtc = drmModeGetCrtc(ms->fd, res->crtcs[c]);
 372
 373         if (!drm_crtc)
 374             continue;
 375
 376         crtc = xf86CrtcCreate(pScrn, &crtc_funcs);
 377         if (crtc == NULL)
 378             goto out;
 379
 380         crtcp = xcalloc(1, sizeof(struct crtc_private));
 381         if (!crtcp) {
 382             xf86CrtcDestroy(crtc);
 383             goto out;
 384         }
 385
 386         crtcp->drm_crtc = drm_crtc;
 387
 388         crtc->driver_private = crtcp;
 389     }
 390
 391   out:
 392     drmModeFreeResources(res);
 393 }
 394
 395 /* vim: set sw=4 ts=8 sts=4: */