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/*
* uterm - Linux User-Space Terminal
*
* Copyright (c) 2011-2013 David Herrmann <dh.herrmann@googlemail.com>
*
* Permission is hereby granted, free of charge, to any person obtaining
* a copy of this software and associated documentation files
* (the "Software"), to deal in the Software without restriction, including
* without limitation the rights to use, copy, modify, merge, publish,
* distribute, sublicense, and/or sell copies of the Software, and to
* permit persons to whom the Software is furnished to do so, subject to
* the following conditions:
*
* The above copyright notice and this permission notice shall be included
* in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
/*
* DRM shared functions
*/
#include <errno.h>
#include <stdbool.h>
#include <stdlib.h>
#include <string.h>
#include <xf86drm.h>
#include <xf86drmMode.h>
#include "log.h"
#include "uterm_drm_shared_internal.h"
#include "uterm_video.h"
#include "uterm_video_internal.h"
#define LOG_SUBSYSTEM "drm_shared"
int uterm_drm_mode_init(struct uterm_mode *mode)
{
struct uterm_drm_mode *m;
m = malloc(sizeof(*m));
if (!m)
return -ENOMEM;
memset(m, 0, sizeof(*m));
mode->data = m;
return 0;
}
void uterm_drm_mode_destroy(struct uterm_mode *mode)
{
free(mode->data);
}
const char *uterm_drm_mode_get_name(const struct uterm_mode *mode)
{
struct uterm_drm_mode *m = mode->data;
return m->info.name;
}
unsigned int uterm_drm_mode_get_width(const struct uterm_mode *mode)
{
struct uterm_drm_mode *m = mode->data;
return m->info.hdisplay;
}
unsigned int uterm_drm_mode_get_height(const struct uterm_mode *mode)
{
struct uterm_drm_mode *m = mode->data;
return m->info.vdisplay;
}
void uterm_drm_mode_set(struct uterm_mode *mode, drmModeModeInfo *info)
{
struct uterm_drm_mode *m = mode->data;
m->info = *info;
}
const struct mode_ops uterm_drm_mode_ops = {
.init = uterm_drm_mode_init,
.destroy = uterm_drm_mode_destroy,
.get_name = uterm_drm_mode_get_name,
.get_width = uterm_drm_mode_get_width,
.get_height = uterm_drm_mode_get_height,
};
int uterm_drm_set_dpms(int fd, uint32_t conn_id, int state)
{
int i, ret, set;
drmModeConnector *conn;
drmModePropertyRes *prop;
switch (state) {
case UTERM_DPMS_ON:
set = DRM_MODE_DPMS_ON;
break;
case UTERM_DPMS_STANDBY:
set = DRM_MODE_DPMS_STANDBY;
break;
case UTERM_DPMS_SUSPEND:
set = DRM_MODE_DPMS_SUSPEND;
break;
case UTERM_DPMS_OFF:
set = DRM_MODE_DPMS_OFF;
break;
default:
return -EINVAL;
}
conn = drmModeGetConnector(fd, conn_id);
if (!conn) {
log_err("cannot get display connector");
return -EFAULT;
}
ret = state;
for (i = 0; i < conn->count_props; ++i) {
prop = drmModeGetProperty(fd, conn->props[i]);
if (!prop) {
log_error("cannot get DRM property (%d): %m", errno);
continue;
}
if (!strcmp(prop->name, "DPMS")) {
ret = drmModeConnectorSetProperty(fd, conn_id,
prop->prop_id, set);
if (ret) {
log_info("cannot set DPMS");
ret = -EFAULT;
}
drmModeFreeProperty(prop);
break;
}
drmModeFreeProperty(prop);
}
if (i == conn->count_props) {
log_warn("display does not support DPMS");
ret = UTERM_DPMS_UNKNOWN;
}
drmModeFreeConnector(conn);
return ret;
}
int uterm_drm_get_dpms(int fd, drmModeConnector *conn)
{
int i, ret;
drmModePropertyRes *prop;
for (i = 0; i < conn->count_props; ++i) {
prop = drmModeGetProperty(fd, conn->props[i]);
if (!prop) {
log_error("cannot get DRM property (%d): %m", errno);
continue;
}
if (!strcmp(prop->name, "DPMS")) {
switch (conn->prop_values[i]) {
case DRM_MODE_DPMS_ON:
ret = UTERM_DPMS_ON;
break;
case DRM_MODE_DPMS_STANDBY:
ret = UTERM_DPMS_STANDBY;
break;
case DRM_MODE_DPMS_SUSPEND:
ret = UTERM_DPMS_SUSPEND;
break;
case DRM_MODE_DPMS_OFF:
default:
ret = UTERM_DPMS_OFF;
}
drmModeFreeProperty(prop);
return ret;
}
drmModeFreeProperty(prop);
}
if (i == conn->count_props)
log_warn("display does not support DPMS");
return UTERM_DPMS_UNKNOWN;
}
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