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Diffstat (limited to 'src/blueshift_drm_c.h')
| -rw-r--r-- | src/blueshift_drm_c.h | 239 |
1 files changed, 0 insertions, 239 deletions
diff --git a/src/blueshift_drm_c.h b/src/blueshift_drm_c.h deleted file mode 100644 index 36913cc..0000000 --- a/src/blueshift_drm_c.h +++ /dev/null @@ -1,239 +0,0 @@ -/** - * 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/>. - */ -#ifndef BLUESHIFT_DRM_C_H -#define BLUESHIFT_DRM_C_H - - -#include <stdlib.h> -#include <stdio.h> -#include <string.h> -#include <unistd.h> -#include <sys/stat.h> -#include <sys/types.h> -#include <fcntl.h> -#include <alloca.h> -#include <limits.h> - -#ifndef O_CLOEXEC -# define O_CLOEXEC 02000000 -#endif -#ifndef PATH_MAX -# define PATH_MAX 4096 -#endif - -/* Requires video group */ -#include <xf86drm.h> -#include <xf86drmMode.h> - - - -/** - * Resources for an open connection to a graphics card - */ -typedef struct _card_connection -{ - /** - * File descriptor for the connection - */ - int fd; - - /** - * Card resources - */ - drmModeRes* res; - - /** - * Resources for open connectors - */ - drmModeConnector** connectors; - -} card_connection; - - - -/** - * Free all resources, but you need to close all connections first - */ -void blueshift_drm_close(void); - -/** - * Get the number of cards present on the system - * - * @return The number of cards present on the system - */ -int blueshift_drm_card_count(void); - -/** - * Open connection to a graphics card - * - * @param card_index The index of the graphics card - * @return -1 on failure, otherwise an identifier for the connection to the card - */ -int blueshift_drm_open_card(int card_index); - -/** - * Update the resource, required after `blueshift_drm_open_card` - * - * @param connection The identifier for the connection to the card - */ -void blueshift_drm_update_card(int connection); - -/** - * Close connection to the graphics card - * - * @param connection The identifier for the connection to the card - */ -void blueshift_drm_close_card(int connection); - -/** - * Return the number of CRTC:s on the opened card - * - * @param connection The identifier for the connection to the card - * @return The number of CRTC:s on the opened card - */ -int blueshift_drm_crtc_count(int connection) __attribute__((pure)); - -/** - * Return the number of connectors on the opened card - * - * @param connection The identifier for the connection to the card - * @return The number of connectors on the opened card - */ -int blueshift_drm_connector_count(int connection) __attribute__((pure)); - -/** - * Return the size of the gamma ramps on a CRTC - * - * @param connection The identifier for the connection to the card - * @param crtc_index The index of the CRTC - * @return The size of the gamma ramps on a CRTC - */ -int blueshift_drm_gamma_size(int connection, int crtc_index); - -/** - * Get the current gamma ramps of a monitor - * - * @param connection The identifier for the connection to the card - * @param crtc_index The index of the CRTC to read from - * @param gamma_size The size a gamma ramp - * @param red Storage location for the red gamma ramp - * @param green Storage location for the green gamma ramp - * @param blue Storage location for the blue gamma ramp - * @return Zero on success - */ -int blueshift_drm_get_gamma_ramps(int connection, int crtc_index, int gamma_size, uint16_t* red, uint16_t* green, uint16_t* blue); - -/** - * Set the gamma ramps of the of a monitor - * - * @param connection The identifier for the connection to the card - * @param crtc_index The index of the CRTC to read from - * @param gamma_size The size a gamma ramp - * @param red The red gamma ramp - * @param green The green gamma ramp - * @param blue The blue gamma ramp - * @return Zero on success - */ -int blueshift_drm_set_gamma_ramps(int connection, int crtc_index, int gamma_size, uint16_t* red, uint16_t* green, uint16_t* blue); - -/** - * Acquire information about a connector - * - * @param connection The identifier for the connection to the card - * @param connector_index The index of the connector - */ -void blueshift_drm_open_connector(int connection, int connector_index); - -/** - * Release information about a connector - * - * @param connection The identifier for the connection to the card - * @param connector_index The index of the connector - */ -void blueshift_drm_close_connector(int connection, int connector_index); - -/** - * Get the physical width the monitor connected to a connector - * - * @param connection The identifier for the connection to the card - * @param connector_index The index of the connector - * @return The physical width of the monitor in millimetres, 0 if unknown or not connected - */ -int blueshift_drm_get_width(int connection, int connector_index) __attribute__((pure)); - -/** - * Get the physical height the monitor connected to a connector - * - * @param connection The identifier for the connection to the card - * @param connector_index The index of the connector - * @return The physical height of the monitor in millimetres, 0 if unknown or not connected - */ -int blueshift_drm_get_height(int connection, int connector_index) __attribute__((pure)); - -/** - * Get whether a monitor is connected to a connector - * - * @param connection The identifier for the connection to the card - * @param connector_index The index of the connector - * @return 1 if there is a connection, 0 otherwise, -1 if unknown - */ -int blueshift_drm_is_connected(int connection, int connector_index) __attribute__((pure)); - -/** - * Get the index of the CRTC of the monitor connected to a connector - * - * @param connection The identifier for the connection to the card - * @param connector_index The index of the connector - * @return The index of the CRTC - */ -int blueshift_drm_get_crtc(int connection, int connector_index); - -/** - * Get the index of the type of a connector - * - * @param connection The identifier for the connection to the card - * @param connector_index The index of the connector - * @return The connector type by index, 0 for unknown - */ -int blueshift_drm_get_connector_type_index(int connection, int connector_index) __attribute__((pure)); - -/** - * Get the name of the type of a connector - * - * @param connection The identifier for the connection to the card - * @param connector_index The index 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(int connection, int connector_index) __attribute__((pure)); - -/** - * Get the extended display identification data for the monitor connected to a connector - * - * @param connection The identifier for the connection to the card - * @param connector_index The index of the connector - * @param edid Storage location for the EDID, it should be 128 bytes, 256 bytes + zero termination if hex - * @param size The size allocated to `edid` excluding your zero termination - * @param hexadecimal Whether to convert to hexadecimal representation, this is preferable - * @return The length of the found value, 0 if none, as if hex is false - */ -long blueshift_drm_get_edid(int connection, int connector_index, char* edid, long size, int hexadecimal); - - - -#endif - |