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 #define DPMS_SERVER
  46 #include <X11/extensions/dpms.h>
  47
  48 #include "pipe/p_inlines.h"
  49 #include "util/u_rect.h"
  50
  51 struct crtc_private
  52 {
  53     drmModeCrtcPtr drm_crtc;
  54
  55     /* hwcursor */
  56     struct pipe_texture *cursor_tex;
  57     unsigned cursor_handle;
  58 };
  59
  60 static void
  61 crtc_dpms(xf86CrtcPtr crtc, int mode)
  62 {
  63     //ScrnInfoPtr pScrn = crtc->scrn;
  64
  65     switch (mode) {
  66     case DPMSModeOn:
  67     case DPMSModeStandby:
  68     case DPMSModeSuspend:
  69         break;
  70     case DPMSModeOff:
  71         break;
  72     }
  73 }
  74
  75 static Bool
  76 crtc_lock(xf86CrtcPtr crtc)
  77 {
  78     return FALSE;
  79 }
  80
  81 static void
  82 crtc_unlock(xf86CrtcPtr crtc)
  83 {
  84 }
  85
  86 static void
  87 crtc_prepare(xf86CrtcPtr crtc)
  88 {
  89 }
  90
  91 static void
  92 crtc_commit(xf86CrtcPtr crtc)
  93 {
  94 }
  95
  96 static Bool
  97 crtc_mode_fixup(xf86CrtcPtr crtc, DisplayModePtr mode,
  98                 DisplayModePtr adjusted_mode)
  99 {
 100     return TRUE;
 101 }
 102
 103 static void
 104 crtc_mode_set(xf86CrtcPtr crtc, DisplayModePtr mode,
 105               DisplayModePtr adjusted_mode, int x, int y)
 106 {
 107     xf86CrtcConfigPtr config = XF86_CRTC_CONFIG_PTR(crtc->scrn);
 108     modesettingPtr ms = modesettingPTR(crtc->scrn);
 109     xf86OutputPtr output = config->output[config->compat_output];
 110     drmModeConnectorPtr drm_connector = output->driver_private;
 111     struct crtc_private *crtcp = crtc->driver_private;
 112     drmModeCrtcPtr drm_crtc = crtcp->drm_crtc;
 113     drmModeModeInfo drm_mode;
 114
 115     drm_mode.clock = mode->Clock;
 116     drm_mode.hdisplay = mode->HDisplay;
 117     drm_mode.hsync_start = mode->HSyncStart;
 118     drm_mode.hsync_end = mode->HSyncEnd;
 119     drm_mode.htotal = mode->HTotal;
 120     drm_mode.vdisplay = mode->VDisplay;
 121     drm_mode.vsync_start = mode->VSyncStart;
 122     drm_mode.vsync_end = mode->VSyncEnd;
 123     drm_mode.vtotal = mode->VTotal;
 124     drm_mode.flags = mode->Flags;
 125     drm_mode.hskew = mode->HSkew;
 126     drm_mode.vscan = mode->VScan;
 127     drm_mode.vrefresh = mode->VRefresh;
 128     if (!mode->name)
 129         xf86SetModeDefaultName(mode);
 130     strncpy(drm_mode.name, mode->name, DRM_DISPLAY_MODE_LEN);
 131
 132     drmModeSetCrtc(ms->fd, drm_crtc->crtc_id, ms->fb_id, x, y,
 133                    &drm_connector->connector_id, 1, &drm_mode);
 134 }
 135
 136 #if 0
 137 static void
 138 crtc_load_lut(xf86CrtcPtr crtc)
 139 {
 140     //ScrnInfoPtr pScrn = crtc->scrn;
 141 }
 142 #endif
 143
 144 static void
 145 crtc_gamma_set(xf86CrtcPtr crtc, CARD16 * red, CARD16 * green, CARD16 * blue,
 146                int size)
 147 {
 148 }
 149
 150 static void *
 151 crtc_shadow_allocate(xf86CrtcPtr crtc, int width, int height)
 152 {
 153     //ScrnInfoPtr pScrn = crtc->scrn;
 154
 155     return NULL;
 156 }
 157
 158 static PixmapPtr
 159 crtc_shadow_create(xf86CrtcPtr crtc, void *data, int width, int height)
 160 {
 161     //ScrnInfoPtr pScrn = crtc->scrn;
 162
 163     return NULL;
 164 }
 165
 166 static void
 167 crtc_shadow_destroy(xf86CrtcPtr crtc, PixmapPtr rotate_pixmap, void *data)
 168 {
 169     //ScrnInfoPtr pScrn = crtc->scrn;
 170 }
 171
 172 static void
 173 crtc_destroy(xf86CrtcPtr crtc)
 174 {
 175     struct crtc_private *crtcp = crtc->driver_private;
 176
 177     if (crtcp->cursor_tex)
 178         pipe_texture_reference(&crtcp->cursor_tex, NULL);
 179
 180     drmModeFreeCrtc(crtcp->drm_crtc);
 181     xfree(crtcp);
 182 }
 183
 184 static void
 185 crtc_load_cursor_argb(xf86CrtcPtr crtc, CARD32 * image)
 186 {
 187     unsigned char *ptr;
 188     modesettingPtr ms = modesettingPTR(crtc->scrn);
 189     struct crtc_private *crtcp = crtc->driver_private;
 190     struct pipe_transfer *transfer;
 191
 192     if (!crtcp->cursor_tex) {
 193         struct pipe_texture templat;
 194         unsigned pitch;
 195
 196         memset(&templat, 0, sizeof(templat));
 197         templat.tex_usage |= PIPE_TEXTURE_USAGE_RENDER_TARGET;
 198         templat.tex_usage |= PIPE_TEXTURE_USAGE_PRIMARY;
 199         templat.target = PIPE_TEXTURE_2D;
 200         templat.last_level = 0;
 201         templat.depth[0] = 1;
 202         templat.format = PIPE_FORMAT_A8R8G8B8_UNORM;
 203         templat.width[0] = 64;
 204         templat.height[0] = 64;
 205         pf_get_block(templat.format, &templat.block);
 206
 207         crtcp->cursor_tex = ms->screen->texture_create(ms->screen,
 208                                                        &templat);
 209         ms->api->local_handle_from_texture(ms->api,
 210                                            ms->screen,
 211                                            crtcp->cursor_tex,
 212                                            &pitch,
 213                                            &crtcp->cursor_handle);
 214     }
 215
 216     transfer = ms->screen->get_tex_transfer(ms->screen, crtcp->cursor_tex,
 217                                             0, 0, 0,
 218                                             PIPE_TRANSFER_WRITE,
 219                                             0, 0, 64, 64);
 220     ptr = ms->screen->transfer_map(ms->screen, transfer);
 221     util_copy_rect(ptr, &crtcp->cursor_tex->block,
 222                    transfer->stride, 0, 0,
 223                    64, 64, (void*)image, 64 * 4, 0, 0);
 224     ms->screen->transfer_unmap(ms->screen, transfer);
 225     ms->screen->tex_transfer_destroy(transfer);
 226 }
 227
 228 static void
 229 crtc_set_cursor_position(xf86CrtcPtr crtc, int x, int y)
 230 {
 231     modesettingPtr ms = modesettingPTR(crtc->scrn);
 232     struct crtc_private *crtcp = crtc->driver_private;
 233
 234     drmModeMoveCursor(ms->fd, crtcp->drm_crtc->crtc_id, x, y);
 235 }
 236
 237 static void
 238 crtc_show_cursor(xf86CrtcPtr crtc)
 239 {
 240     modesettingPtr ms = modesettingPTR(crtc->scrn);
 241     struct crtc_private *crtcp = crtc->driver_private;
 242
 243     if (crtcp->cursor_tex)
 244         drmModeSetCursor(ms->fd, crtcp->drm_crtc->crtc_id,
 245                          crtcp->cursor_handle, 64, 64);
 246 }
 247
 248 static void
 249 crtc_hide_cursor(xf86CrtcPtr crtc)
 250 {
 251     modesettingPtr ms = modesettingPTR(crtc->scrn);
 252     struct crtc_private *crtcp = crtc->driver_private;
 253
 254     drmModeSetCursor(ms->fd, crtcp->drm_crtc->crtc_id, 0, 0, 0);
 255 }
 256
 257 static const xf86CrtcFuncsRec crtc_funcs = {
 258     .dpms = crtc_dpms,
 259     .save = NULL,
 260     .restore = NULL,
 261     .lock = crtc_lock,
 262     .unlock = crtc_unlock,
 263     .mode_fixup = crtc_mode_fixup,
 264     .prepare = crtc_prepare,
 265     .mode_set = crtc_mode_set,
 266     .commit = crtc_commit,
 267     .gamma_set = crtc_gamma_set,
 268     .shadow_create = crtc_shadow_create,
 269     .shadow_allocate = crtc_shadow_allocate,
 270     .shadow_destroy = crtc_shadow_destroy,
 271     .set_cursor_position = crtc_set_cursor_position,
 272     .show_cursor = crtc_show_cursor,
 273     .hide_cursor = crtc_hide_cursor,
 274     .load_cursor_image = NULL,         /* lets convert to argb only */
 275     .set_cursor_colors = NULL,         /* using argb only */
 276     .load_cursor_argb = crtc_load_cursor_argb,
 277     .destroy = crtc_destroy,
 278 };
 279
 280 void
 281 crtc_cursor_destroy(xf86CrtcPtr crtc)
 282 {
 283     struct crtc_private *crtcp = crtc->driver_private;
 284
 285     if (crtcp->cursor_tex) {
 286         pipe_texture_reference(&crtcp->cursor_tex, NULL);
 287     }
 288 }
 289
 290 void
 291 crtc_init(ScrnInfoPtr pScrn)
 292 {
 293     modesettingPtr ms = modesettingPTR(pScrn);
 294     xf86CrtcPtr crtc;
 295     drmModeResPtr res;
 296     drmModeCrtcPtr drm_crtc = NULL;
 297     struct crtc_private *crtcp;
 298     int c;
 299
 300     res = drmModeGetResources(ms->fd);
 301     if (res == 0) {
 302         ErrorF("Failed drmModeGetResources %d\n", errno);
 303         return;
 304     }
 305
 306     for (c = 0; c < res->count_crtcs; c++) {
 307         drm_crtc = drmModeGetCrtc(ms->fd, res->crtcs[c]);
 308         if (!drm_crtc)
 309             continue;
 310
 311         crtc = xf86CrtcCreate(pScrn, &crtc_funcs);
 312         if (crtc == NULL)
 313             goto out;
 314
 315         crtcp = xcalloc(1, sizeof(struct crtc_private));
 316         if (!crtcp) {
 317             xf86CrtcDestroy(crtc);
 318             goto out;
 319         }
 320
 321         crtcp->drm_crtc = drm_crtc;
 322
 323         crtc->driver_private = crtcp;
 324
 325     }
 326
 327   out:
 328     drmModeFreeResources(res);
 329 }
 330
 331 /* vim: set sw=4 ts=8 sts=4: */