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     switch (mode) {
  74     case DPMSModeOn:
  75     case DPMSModeStandby:
  76     case DPMSModeSuspend:
  77         break;
  78     case DPMSModeOff:
  79         break;
  80     }
  81 }
  82
  83 static Bool
  84 crtc_set_mode_major(xf86CrtcPtr crtc, DisplayModePtr mode,
  85                     Rotation rotation, int x, int y)
  86 {
  87     xf86CrtcConfigPtr config = XF86_CRTC_CONFIG_PTR(crtc->scrn);
  88     modesettingPtr ms = modesettingPTR(crtc->scrn);
  89     xf86OutputPtr output = NULL;
  90     drmModeConnectorPtr drm_connector;
  91     struct crtc_private *crtcp = crtc->driver_private;
  92     drmModeCrtcPtr drm_crtc = crtcp->drm_crtc;
  93     drmModeModeInfo drm_mode;
  94     int i, ret;
  95
  96     for (i = 0; i < config->num_output; output = NULL, i++) {
  97         output = config->output[i];
  98
  99         if (output->crtc == crtc)
 100             break;
 101     }
 102
 103     if (!output)
 104         return FALSE;
 105
 106     drm_connector = output->driver_private;
 107
 108     drm_mode.clock = mode->Clock;
 109     drm_mode.hdisplay = mode->HDisplay;
 110     drm_mode.hsync_start = mode->HSyncStart;
 111     drm_mode.hsync_end = mode->HSyncEnd;
 112     drm_mode.htotal = mode->HTotal;
 113     drm_mode.vdisplay = mode->VDisplay;
 114     drm_mode.vsync_start = mode->VSyncStart;
 115     drm_mode.vsync_end = mode->VSyncEnd;
 116     drm_mode.vtotal = mode->VTotal;
 117     drm_mode.flags = mode->Flags;
 118     drm_mode.hskew = mode->HSkew;
 119     drm_mode.vscan = mode->VScan;
 120     drm_mode.vrefresh = mode->VRefresh;
 121     if (!mode->name)
 122         xf86SetModeDefaultName(mode);
 123     strncpy(drm_mode.name, mode->name, DRM_DISPLAY_MODE_LEN);
 124
 125     ret = drmModeSetCrtc(ms->fd, drm_crtc->crtc_id, ms->fb_id, x, y,
 126                          &drm_connector->connector_id, 1, &drm_mode);
 127
 128     if (ret)
 129         return FALSE;
 130
 131     crtc->x = x;
 132     crtc->y = y;
 133     crtc->mode = *mode;
 134     crtc->rotation = rotation;
 135
 136     return TRUE;
 137 }
 138
 139 static void
 140 crtc_gamma_set(xf86CrtcPtr crtc, CARD16 * red, CARD16 * green, CARD16 * blue,
 141                int size)
 142 {
 143     /* XXX: hockup */
 144 }
 145
 146 static void *
 147 crtc_shadow_allocate(xf86CrtcPtr crtc, int width, int height)
 148 {
 149     return NULL;
 150 }
 151
 152 static PixmapPtr
 153 crtc_shadow_create(xf86CrtcPtr crtc, void *data, int width, int height)
 154 {
 155     return NULL;
 156 }
 157
 158 static void
 159 crtc_shadow_destroy(xf86CrtcPtr crtc, PixmapPtr rotate_pixmap, void *data)
 160 {
 161 }
 162
 163 /*
 164  * Cursor functions
 165  */
 166
 167 static void
 168 crtc_set_cursor_colors(xf86CrtcPtr crtc, int bg, int fg)
 169 {
 170     /* XXX: See if this one is needed, as we only support ARGB cursors */
 171 }
 172
 173 static void
 174 crtc_set_cursor_position(xf86CrtcPtr crtc, int x, int y)
 175 {
 176     modesettingPtr ms = modesettingPTR(crtc->scrn);
 177     struct crtc_private *crtcp = crtc->driver_private;
 178
 179     drmModeMoveCursor(ms->fd, crtcp->drm_crtc->crtc_id, x, y);
 180 }
 181
 182 static void
 183 crtc_load_cursor_argb_ga3d(xf86CrtcPtr crtc, CARD32 * image)
 184 {
 185     unsigned char *ptr;
 186     modesettingPtr ms = modesettingPTR(crtc->scrn);
 187     struct crtc_private *crtcp = crtc->driver_private;
 188     struct pipe_transfer *transfer;
 189
 190     if (!crtcp->cursor_tex) {
 191         struct pipe_texture templat;
 192         unsigned pitch;
 193
 194         memset(&templat, 0, sizeof(templat));
 195         templat.tex_usage |= PIPE_TEXTURE_USAGE_RENDER_TARGET;
 196         templat.tex_usage |= PIPE_TEXTURE_USAGE_PRIMARY;
 197         templat.target = PIPE_TEXTURE_2D;
 198         templat.last_level = 0;
 199         templat.depth0 = 1;
 200         templat.format = PIPE_FORMAT_A8R8G8B8_UNORM;
 201         templat.width0 = 64;
 202         templat.height0 = 64;
 203
 204         crtcp->cursor_tex = ms->screen->texture_create(ms->screen,
 205                                                        &templat);
 206         ms->api->local_handle_from_texture(ms->api,
 207                                            ms->screen,
 208                                            crtcp->cursor_tex,
 209                                            &pitch,
 210                                            &crtcp->cursor_handle);
 211     }
 212
 213     transfer = ms->screen->get_tex_transfer(ms->screen, crtcp->cursor_tex,
 214                                             0, 0, 0,
 215                                             PIPE_TRANSFER_WRITE,
 216                                             0, 0, 64, 64);
 217     ptr = ms->screen->transfer_map(ms->screen, transfer);
 218     util_copy_rect(ptr, crtcp->cursor_tex->format,
 219                    transfer->stride, 0, 0,
 220                    64, 64, (void*)image, 64 * 4, 0, 0);
 221     ms->screen->transfer_unmap(ms->screen, transfer);
 222     ms->screen->tex_transfer_destroy(transfer);
 223 }
 224
 225 #if HAVE_LIBKMS
 226 static void
 227 crtc_load_cursor_argb_kms(xf86CrtcPtr crtc, CARD32 * image)
 228 {
 229     modesettingPtr ms = modesettingPTR(crtc->scrn);
 230     struct crtc_private *crtcp = crtc->driver_private;
 231     unsigned char *ptr;
 232
 233     if (!crtcp->cursor_bo) {
 234         unsigned attr[8];
 235
 236         attr[0] = KMS_BO_TYPE;
 237         attr[1] = KMS_BO_TYPE_CURSOR;
 238         attr[2] = KMS_WIDTH;
 239         attr[3] = 64;
 240         attr[4] = KMS_HEIGHT;
 241         attr[5] = 64;
 242         attr[6] = 0;
 243
 244         if (kms_bo_create(ms->kms, attr, &crtcp->cursor_bo))
 245            return;
 246
 247         if (kms_bo_get_prop(crtcp->cursor_bo, KMS_HANDLE,
 248                             &crtcp->cursor_handle))
 249             goto err_bo_destroy;
 250     }
 251
 252     kms_bo_map(crtcp->cursor_bo, (void**)&ptr);
 253     memcpy(ptr, image, 64*64*4);
 254     kms_bo_unmap(crtcp->cursor_bo);
 255
 256     return;
 257
 258 err_bo_destroy:
 259     kms_bo_destroy(&crtcp->cursor_bo);
 260 }
 261 #endif
 262
 263 static void
 264 crtc_load_cursor_argb(xf86CrtcPtr crtc, CARD32 * image)
 265 {
 266     modesettingPtr ms = modesettingPTR(crtc->scrn);
 267     if (ms->screen)
 268         crtc_load_cursor_argb_ga3d(crtc, image);
 269 #ifdef HAVE_LIBKMS
 270     else if (ms->kms)
 271         crtc_load_cursor_argb_kms(crtc, image);
 272 #endif
 273 }
 274
 275 static void
 276 crtc_show_cursor(xf86CrtcPtr crtc)
 277 {
 278     modesettingPtr ms = modesettingPTR(crtc->scrn);
 279     struct crtc_private *crtcp = crtc->driver_private;
 280
 281     if (crtcp->cursor_tex || crtcp->cursor_bo)
 282         drmModeSetCursor(ms->fd, crtcp->drm_crtc->crtc_id,
 283                          crtcp->cursor_handle, 64, 64);
 284 }
 285
 286 static void
 287 crtc_hide_cursor(xf86CrtcPtr crtc)
 288 {
 289     modesettingPtr ms = modesettingPTR(crtc->scrn);
 290     struct crtc_private *crtcp = crtc->driver_private;
 291
 292     drmModeSetCursor(ms->fd, crtcp->drm_crtc->crtc_id, 0, 0, 0);
 293 }
 294
 295 /**
 296  * Called at vt leave
 297  */
 298 void
 299 xorg_crtc_cursor_destroy(xf86CrtcPtr crtc)
 300 {
 301     struct crtc_private *crtcp = crtc->driver_private;
 302
 303     if (crtcp->cursor_tex)
 304         pipe_texture_reference(&crtcp->cursor_tex, NULL);
 305 #ifdef HAVE_LIBKMS
 306     if (crtcp->cursor_bo)
 307         kms_bo_destroy(&crtcp->cursor_bo);
 308 #endif
 309 }
 310
 311 /*
 312  * Misc functions
 313  */
 314
 315 static void
 316 crtc_destroy(xf86CrtcPtr crtc)
 317 {
 318     struct crtc_private *crtcp = crtc->driver_private;
 319
 320     xorg_crtc_cursor_destroy(crtc);
 321
 322     drmModeFreeCrtc(crtcp->drm_crtc);
 323
 324     xfree(crtcp);
 325     crtc->driver_private = NULL;
 326 }
 327
 328 static const xf86CrtcFuncsRec crtc_funcs = {
 329     .dpms = crtc_dpms,
 330     .set_mode_major = crtc_set_mode_major,
 331
 332     .set_cursor_colors = crtc_set_cursor_colors,
 333     .set_cursor_position = crtc_set_cursor_position,
 334     .show_cursor = crtc_show_cursor,
 335     .hide_cursor = crtc_hide_cursor,
 336     .load_cursor_argb = crtc_load_cursor_argb,
 337
 338     .shadow_create = crtc_shadow_create,
 339     .shadow_allocate = crtc_shadow_allocate,
 340     .shadow_destroy = crtc_shadow_destroy,
 341
 342     .gamma_set = crtc_gamma_set,
 343     .destroy = crtc_destroy,
 344 };
 345
 346 void
 347 xorg_crtc_init(ScrnInfoPtr pScrn)
 348 {
 349     modesettingPtr ms = modesettingPTR(pScrn);
 350     xf86CrtcPtr crtc;
 351     drmModeResPtr res;
 352     drmModeCrtcPtr drm_crtc = NULL;
 353     struct crtc_private *crtcp;
 354     int c;
 355
 356     res = drmModeGetResources(ms->fd);
 357     if (res == 0) {
 358         ErrorF("Failed drmModeGetResources %d\n", errno);
 359         return;
 360     }
 361
 362     for (c = 0; c < res->count_crtcs; c++) {
 363         drm_crtc = drmModeGetCrtc(ms->fd, res->crtcs[c]);
 364
 365         if (!drm_crtc)
 366             continue;
 367
 368         crtc = xf86CrtcCreate(pScrn, &crtc_funcs);
 369         if (crtc == NULL)
 370             goto out;
 371
 372         crtcp = xcalloc(1, sizeof(struct crtc_private));
 373         if (!crtcp) {
 374             xf86CrtcDestroy(crtc);
 375             goto out;
 376         }
 377
 378         crtcp->drm_crtc = drm_crtc;
 379
 380         crtc->driver_private = crtcp;
 381     }
 382
 383   out:
 384     drmModeFreeResources(res);
 385 }
 386
 387 /* vim: set sw=4 ts=8 sts=4: */