misc + change license + remove info manual1.3.2

Signed-off-by: Mattias Andrée <maandree@kth.se>

1 files changed, 0 insertions, 283 deletions

diff --git a/src/drmgamma.c b/src/drmgamma.c
deleted file mode 100644
index 8f3dd97..0000000
--- a/src/drmgamma.c
+++ /dev/null
@@ -1,283 +0,0 @@
-/**
- * crt-calibrator – Calibration utility for CRT monitors
- * Copyright © 2014  Mattias Andrée (maandree@member.fsf.org)
- * 
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
- * 
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- * 
- * You should have received a copy of the GNU General Public License
- * along with this program.  If not, see <http://www.gnu.org/licenses/>.
- */
-#include "drmgamma.h"
-
-#include <unistd.h>
-#include <errno.h>
-#include <stdio.h>
-#include <fcntl.h>
-#include <stdlib.h>
-#include <string.h>
-
-
-
-/**
- * The number of elements to allocates to a buffer for a DRM device pathname
- */
-#define DRM_DEV_NAME_MAX_LEN  \
-  ((sizeof(DRM_DEV_NAME) + sizeof(DRM_DIR_NAME)) / sizeof(char) + 3 * sizeof(int))
-
-
-
-/**
- * Figure out how many graphics cards there are on the system
- * 
- * @return  The number of graphics cards on the system
- */
-size_t drm_card_count(void)
-{
-  char buf[DRM_DEV_NAME_MAX_LEN];
-  size_t count = 0;
-  
-  for (;; count++)
-    {
-      sprintf(buf, DRM_DEV_NAME, DRM_DIR_NAME, (int)count);
-      if (access(buf, F_OK) < 0)
-	return count;
-    }
-}
-
-/**
- * Acquire access to a graphics card
- * 
- * @param   index  The index of the graphics card
- * @param   card   Graphics card information to fill in
- * @return         Zero on success, -1 on error
- */
-int drm_card_open(size_t index, drm_card_t* restrict card)
-{
-  char buf[DRM_DEV_NAME_MAX_LEN];
-  int old_errno;
-  size_t i, n;
-  
-  card->fd = -1;
-  card->res = NULL;
-  card->connectors = NULL;
-  card->encoders = NULL;
-  card->connector_count = 0;
-  
-  sprintf(buf, DRM_DEV_NAME, DRM_DIR_NAME, (int)index);
-  card->fd = open(buf, O_RDWR);
-  if (card->fd == -1)
-    goto fail;
-  
-  card->res = drmModeGetResources(card->fd);
-  if (card->res == NULL)
-    goto fail;
-  
-  card->crtc_count      = (size_t)(card->res->count_crtcs);
-  card->connector_count = (size_t)(card->res->count_connectors);
-  n = card->connector_count;
-  
-  card->connectors = calloc(n, sizeof(drmModeConnector*));
-  if (card->connectors == NULL)
-    goto fail;
-  card->encoders   = calloc(n, sizeof(drmModeEncoder*));
-  if (card->encoders == NULL)
-    goto fail;
-  
-  for (i = 0; i < n; i++)
-    {
-      card->connectors[i] = drmModeGetConnector(card->fd, card->res->connectors[i]);
-      if (card->connectors[i] == NULL)
-	goto fail;
-      
-      if (card->connectors[i]->encoder_id != 0)
-	{
-	  card->encoders[i] = drmModeGetEncoder(card->fd, card->connectors[i]->encoder_id);
-	  if (card->encoders[i] == NULL)
-	    goto fail;
-	}
-    }
-  
-  return 0;
- fail:
-  old_errno = errno;
-  drm_card_close(card);
-  errno = old_errno;
-  return -1;
-}
-
-
-/**
- * Release access to a graphics card
- * 
- * @param  card  The graphics card information
- */
-void drm_card_close(drm_card_t* restrict card)
-{
-  size_t i, n = card->connector_count;
-  
-  if (card->encoders != NULL)
-    for (i = 0; i < n; i++)
-      if (card->encoders[i] != NULL)
-	drmModeFreeEncoder(card->encoders[i]);
-  free(card->encoders), card->encoders = NULL;
-  
-  if (card->connectors != NULL)
-    for (i = 0; i < n; i++)
-      if (card->connectors[i] != NULL)
-	drmModeFreeConnector(card->connectors[i]);
-  free(card->connectors), card->connectors = NULL;
-  
-  if (card->res != NULL)
-    drmModeFreeResources(card->res), card->res = NULL;
-  if (card->fd != -1)
-    close(card->fd), card->fd = -1;
-}
-
-
-/**
- * Acquire access to a CRT controller
- * 
- * @param   index  The index of the CRT controller
- * @param   card   The graphics card information
- * @param   crtc   CRT controller information to fill in
- * @return         Zero on success, -1 on error
- */
-int drm_crtc_open(size_t index, drm_card_t* restrict card, drm_crtc_t* restrict crtc)
-{
-  drmModePropertyRes* restrict prop;
-  drmModePropertyBlobRes* restrict blob;
-  drmModeCrtc* restrict info;
-  size_t i;
-  int old_errno;
-  
-  crtc->edid  = NULL;
-  crtc->red   = NULL;
-  crtc->green = NULL;
-  crtc->blue  = NULL;
-  
-  crtc->id = card->res->crtcs[index];
-  crtc->card = card;
-  
-  crtc->connector = NULL;
-  crtc->encoder = NULL;
-  for (i = 0; i < card->connector_count; i++)
-    if (card->encoders[i] != NULL)
-      if (card->encoders[i]->crtc_id == crtc->id)
-	{
-	  crtc->connector = card->connectors[i];
-	  crtc->encoder = card->encoders[i];
-	}
-  
-  crtc->connected = (crtc->connector != NULL) && (crtc->connector->connection == DRM_MODE_CONNECTED);
-  
-  info = drmModeGetCrtc(card->fd, crtc->id);
-  if (info == NULL)
-    return -1;
-  crtc->gamma_stops = (size_t)(info->gamma_size);
-  drmModeFreeCrtc(info);
-  
-  /* `calloc` is for some reason required when reading the gamma ramps. */
-  crtc->red = calloc(3 * crtc->gamma_stops, sizeof(uint16_t));
-  if (crtc->red == NULL)
-    return -1;
-  crtc->green = crtc->red   + crtc->gamma_stops;
-  crtc->blue  = crtc->green + crtc->gamma_stops;
-  
-  if (crtc->connector == NULL)
-    return 0;
-  for (i = 0; i < (size_t)(crtc->connector->count_props); i++)
-    {
-      size_t j;
-      
-      prop = drmModeGetProperty(card->fd, crtc->connector->props[i]);
-      if (prop == NULL)
-        continue;
-      
-      if (strcmp(prop->name, "EDID"))
-	goto free_prop;
-      
-      
-      blob = drmModeGetPropertyBlob(card->fd, (uint32_t)(crtc->connector->prop_values[i]));
-      i = (size_t)(crtc->connector->count_props);
-      if ((blob == NULL) || (blob->data == NULL))
-	goto free_blob;
-      
-      crtc->edid = malloc((blob->length * 2 + 1) * sizeof(char));
-      if (crtc->edid == NULL)
-	{
-	  old_errno = errno;
-	  drmModeFreePropertyBlob(blob);
-	  drmModeFreeProperty(prop);
-	  free(crtc->red), crtc->red = NULL;
-	  errno = old_errno;
-	  return -1;
-	}
-      for (j = 0; j < blob->length; j++)
-	{
-	  unsigned char c = ((unsigned char*)(blob->data))[j];
-	  crtc->edid[j * 2 + 0] = "0123456789ABCDEF"[(c >> 4) & 15];
-	  crtc->edid[j * 2 + 1] = "0123456789ABCDEF"[(c >> 0) & 15];
-	}
-      crtc->edid[blob->length * 2] = '\0';
-      
-    free_blob:
-      if (blob != NULL)
-	drmModeFreePropertyBlob(blob);
-      
-    free_prop:
-      drmModeFreeProperty(prop);
-    }
-  
-  return 0;
-}
-
-
-/**
- * Release access to a CRT controller
- * 
- * @param  crtc  The CRT controller information to fill in
- */
-void drm_crtc_close(drm_crtc_t* restrict crtc)
-{
-  free(crtc->edid), crtc->edid = NULL;
-  free(crtc->red), crtc->red = NULL;
-}
-
-
-/**
- * Read the gamma ramps for a CRT controller
- * 
- * @param   crtc  CRT controller information
- * @return        Zero on success, -1 on error 
- */
-int drm_get_gamma(drm_crtc_t* restrict crtc)
-{
-  int r;
-  r = drmModeCrtcGetGamma(crtc->card->fd, crtc->id, (uint32_t)(crtc->gamma_stops),
-			  crtc->red, crtc->green, crtc->blue);
-  return -!!r;
-}
-
-
-/**
- * Apply gamma ramps for a CRT controller
- * 
- * @param   crtc  CRT controller information
- * @return        Zero on success, -1 on error
- */
-int drm_set_gamma(drm_crtc_t* restrict crtc)
-{
-  int r;
-  r = drmModeCrtcSetGamma(crtc->card->fd, crtc->id, (uint32_t)(crtc->gamma_stops),
-			  crtc->red, crtc->green, crtc->blue);
-  return -!!r;
-}
-