summaryrefslogtreecommitdiffstats
path: root/src
diff options
context:
space:
mode:
authorMattias Andrée <maandree@operamail.com>2014-03-12 06:42:59 +0100
committerMattias Andrée <maandree@operamail.com>2014-03-12 06:42:59 +0100
commit02c8cf17bd3d426e5b7ff8eec1d0e32cf8607b0a (patch)
tree0365c28fa235ed38c147a917b9423df5fc6a79fd /src
parentnon-complete implementatation of setting gamma ramps (diff)
downloadblueshift-02c8cf17bd3d426e5b7ff8eec1d0e32cf8607b0a.tar.gz
blueshift-02c8cf17bd3d426e5b7ff8eec1d0e32cf8607b0a.tar.bz2
blueshift-02c8cf17bd3d426e5b7ff8eec1d0e32cf8607b0a.tar.xz
translate stuff to functions
Signed-off-by: Mattias Andrée <maandree@operamail.com>
Diffstat (limited to 'src')
-rw-r--r--src/blueshift_drm_c.c196
1 files changed, 151 insertions, 45 deletions
diff --git a/src/blueshift_drm_c.c b/src/blueshift_drm_c.c
index be6a5e1..21cc741 100644
--- a/src/blueshift_drm_c.c
+++ b/src/blueshift_drm_c.c
@@ -43,6 +43,11 @@ static int drm_fd;
*/
static drmModeRes* drm_res = NULL;
+/**
+ * Connector information
+ */
+static drmModeConnector* connector = NULL;
+
/**
@@ -155,6 +160,119 @@ int blueshift_drm_gamma_size(int crtc_index)
}
+/**
+ * Acquire information about a connector
+ *
+ * @param connector_index The index of the connector
+ */
+void blueshift_drm_open_connector(int connector_index)
+{
+ connector = drmModeGetConnector(drm_fd, *(drm_res->connectors + connector_index));
+}
+
+
+/**
+ * Release information about the connector
+ */
+void blueshift_drm_close_connector()
+{
+ drmModeFreeConnector(connector);
+}
+
+
+/* Accurate dimension on area not covered by the edges */
+
+/**
+ * Get the physical width the monitor connected to the connector
+ *
+ * @return The physical width of the monitor in millimetres, 0 if unknown or not connected
+ */
+int blueshift_drm_get_width()
+{
+ return connector->mmWidth;
+}
+
+
+/**
+ * Get the physical height the monitor connected to the connector
+ *
+ * @return The physical height of the monitor in millimetres, 0 if unknown or not connected
+ */
+int blueshift_drm_get_height()
+{
+ return connector->mmHeight;
+}
+
+
+/**
+ * Get whether a monitor is connected to a connector
+ *
+ * @return 1 if there is a connection, 0 otherwise, -1 if unknown
+ */
+int blueshift_drm_is_connected()
+{
+ switch (connector->connection)
+ {
+ case DRM_MODE_CONNECTED:
+ return 1;
+ case DRM_MODE_DISCONNECTED:
+ return 0;
+ case DRM_MODE_UNKNOWNCONNECTION:
+ default:
+ return -1;
+ }
+}
+
+
+/**
+ * Get the index of the CRTC of the monitor connected to the connector
+ *
+ * @return The index of the CRTC
+ */
+int blueshift_drm_get_crtc()
+{
+ drmModeEncoder* encoder = drmModeGetEncoder(drm_fd, connector->encoder_id);
+ uint32_t crtc_id = encoder->crtc_id;
+ int crtc;
+
+ drmModeFreeEncoder(encoder);
+
+ for (crtc = 0; crtc < drm_res->count_crtcs; crtc++)
+ if (*(drm_res->crtcs + crtc) == crtc_id)
+ return crtc;
+
+ return -1;
+}
+
+
+/**
+ * Get the index of the type of the connector
+ *
+ * @return The connector type by index, 0 for unknown
+ */
+int blueshift_drm_get_connector_type_index()
+{
+ return connector->connector_type;
+}
+
+
+/**
+ * Get the name of the type of the connector
+ *
+ * @return The connector type by name, "Unknown" if not identifiable,
+ * "Unrecognised" if Blueshift does not recognise it.
+ */
+const char* blueshift_drm_get_connector_type_name()
+{
+ static const char* TYPE_NAMES[] = {
+ "Unknown", "VGA", "DVII", "DVID", "DVIA", "Composite", "SVIDEO", "LVDS", "Component",
+ "9PinDIN", "DisplayPort", "HDMIA", "HDMIB", "TV", "eDP", "VIRTUAL", "DSI"};
+
+ int type = connector->connector_type;
+ return (size_t)type < sizeof(TYPE_NAMES) / sizeof(char*) ? TYPE_NAMES[type] : "Unrecognised";
+}
+
+
int main(int argc, char** argv)
{
@@ -166,31 +284,17 @@ int main(int argc, char** argv)
blueshift_drm_open(0);
blueshift_drm_update();
+ blueshift_drm_open_connector(3);
printf("CRTC count: %i\n", blueshift_drm_crtc_count());
printf("Connector count: %i\n", blueshift_drm_connector_count());
printf("Gamma size: %i\n", blueshift_drm_gamma_size(0));
-
- drmModeConnector* connector = drmModeGetConnector(drm_fd, *(drm_res->connectors + 3));
- printf("Physical size: %i mm by %i mm\n", connector->mmWidth, connector->mmHeight);
- /* Accurate dimension on area not covered by the edges */
- printf("Connected: %i\n", connector->connection == DRM_MODE_CONNECTED);
- /* DRM_MODE_DISCONNECTED DRM_MODE_UNKNOWNCONNECTION */
- if (connector->connection == DRM_MODE_CONNECTED)
- {
- drmModeEncoder* encoder = drmModeGetEncoder(drm_fd, connector->encoder_id);
- uint32_t crtc_id = encoder->crtc_id;
- int crtc;
-
- drmModeFreeEncoder(encoder);
- for (crtc = 0; crtc < drm_res->count_crtcs; crtc++)
- if (*(drm_res->crtcs + crtc) == crtc_id)
- {
- printf("CRTC: %i\n", crtc);
- break;
- }
-
- if (crtc < drm_res->count_crtcs)
+ printf("Physical size: %i mm by %i mm\n", blueshift_drm_get_width(), blueshift_drm_get_height());
+ printf("Connected: %i\n", blueshift_drm_is_connected());
+ if (blueshift_drm_is_connected() == 1)
+ {;
+ int crtc = blueshift_drm_get_crtc();
+ if (crtc >= 0)
{
int gamma_size = blueshift_drm_gamma_size(crtc);
uint16_t* red = alloca(gamma_size * sizeof(uint16_t));
@@ -198,11 +302,13 @@ int main(int argc, char** argv)
uint16_t* blue = alloca(gamma_size * sizeof(uint16_t));
int j;
+ printf("CRTC: %i\n", crtc);
+
/* We need to initialise it to avoid valgrind warnings */
for (j = 0; j < gamma_size; j++)
*(red + j) = *(green + j) = *(blue + j) = 0;
- if (!drmModeCrtcGetGamma(drm_fd, crtc_id, gamma_size, red, green, blue))
+ if (!drmModeCrtcGetGamma(drm_fd, *(drm_res->crtcs + crtc), gamma_size, red, green, blue))
{
printf("Red:");
for (j = 0; j < gamma_size; j++)
@@ -222,38 +328,38 @@ int main(int argc, char** argv)
for (j = 0; j < gamma_size; j++)
*(blue + j) /= 2;
- printf("(%i)\n", drmModeCrtcSetGamma(drm_fd, crtc_id, gamma_size, red, green, blue));
+ drmModeCrtcSetGamma(drm_fd, *(drm_res->crtcs + crtc), gamma_size, red, green, blue);
/* TODO what more is required to set gamma ramps? */
}
}
- }
- static const char* types[] = {"Unknown", "VGA", "DVII", "DVID", "DVIA", "Composite", "SVIDEO", "LVDS",
- "Component", "9PinDIN", "DisplayPort", "HDMIA", "HDMIB", "TV", "eDP",
- "VIRTUAL", "DSI"};
- printf("Type: %s (%i)\n", types[connector->connector_type], connector->connector_type);
- int i;
- for (i = 0; i < connector->count_props; i++)
- {
- drmModePropertyRes* prop;
- prop = drmModeGetProperty(drm_fd, connector->props[i]);
- if (!strcmp("EDID", prop->name))
+
+ int i;
+ for (i = 0; i < connector->count_props; i++)
{
- drmModePropertyBlobRes* blob = drmModeGetPropertyBlob(drm_fd, connector->prop_values[i]);
- char* value = alloca((blob->length * 2 + 1) * sizeof(char));
- uint32_t j;
- for (j = 0; j < blob->length; j++)
+ drmModePropertyRes* prop;
+ prop = drmModeGetProperty(drm_fd, connector->props[i]);
+ if (!strcmp("EDID", prop->name))
{
- *(value + j * 2 + 0) = "0123456789abcdef"[(*((char*)(blob->data) + j) >> 4) & 15];
- *(value + j * 2 + 1) = "0123456789abcdef"[(*((char*)(blob->data) + j) >> 0) & 15];
+ drmModePropertyBlobRes* blob = drmModeGetPropertyBlob(drm_fd, connector->prop_values[i]);
+ char* value = alloca((blob->length * 2 + 1) * sizeof(char));
+ uint32_t j;
+ for (j = 0; j < blob->length; j++)
+ {
+ *(value + j * 2 + 0) = "0123456789abcdef"[(*((char*)(blob->data) + j) >> 4) & 15];
+ *(value + j * 2 + 1) = "0123456789abcdef"[(*((char*)(blob->data) + j) >> 0) & 15];
+ }
+ *(value + blob->length * 2) = 0;
+ printf("%s: %s\n", prop->name, value);
+ drmModeFreePropertyBlob(blob);
}
- *(value + blob->length * 2) = 0;
- printf("%s: %s\n", prop->name, value);
- drmModeFreePropertyBlob(blob);
+ drmModeFreeProperty(prop);
}
- drmModeFreeProperty(prop);
}
- drmModeFreeConnector(connector);
+ printf("Connector type: %s (%i)\n",
+ blueshift_drm_get_connector_type_name(),
+ blueshift_drm_get_connector_type_index());
+ blueshift_drm_close_connector();
blueshift_drm_close();
return 0;